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< li class = "navelem" > < a class = "el" href = "../../dir_3f8eec2fc361645de4b1ec14c19fffc7.html" > packager< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_f99dae54fe7170f791f339b952d5067a.html" > media< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_64597db6ac7a9160e951a4226a03f10e.html" > codecs< / a > < / li > < / ul >
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2018 Google LLC. All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // Use of this source code is governed by a BSD-style< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > // license that can be found in the LICENSE file or at< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > // https://developers.google.com/open-source/licenses/bsd< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "preprocessor" > #include " packager/media/codecs/av1_parser.h" < / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #include < algorithm> < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " packager/base/logging.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/media/base/bit_reader.h" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " packager/media/base/rcheck.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "../../d8/daf/namespaceshaka.html" > shaka< / a > {< / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "comment" > // 3. Symbols and abbreviated terms.< / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "keyword" > enum< / span > MotionType {< / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   IDENTITY = 0,< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   TRANSLATION,< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   ROTZOOM,< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   AFFINE,< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   };< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kSelectScreenContentTools = 2;< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kSelectIntegerMv = 2;< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kPrimaryRefNone = 7;< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kNumRefFrames = 8;< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kAllFrames = (1 < < kNumRefFrames) - 1;< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "comment" > // 6.2.2. OBU header semantics.< / span > < / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "keyword" > enum< / span > ObuType {< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   OBU_SEQUENCE_HEADER = 1,< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   OBU_TEMPORAL_DELIMITER,< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   OBU_FRAME_HEADER,< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   OBU_TILE_GROUP,< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   OBU_METADATA,< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   OBU_FRAME,< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   OBU_REDUNDENT_FRAME_HEADER,< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   OBU_TILE_LIST,< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "comment" > // Reserved types between OBU_TILE_LIST and OBU_PADDING.< / span > < / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   OBU_PADDING = 15,< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   };< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "comment" > // 6.4.2. Color config semantics.< / span > < / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "keyword" > enum< / span > ColorPrimaries {< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   CP_BT_709 = 1,< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   CP_UNSPECIFIED = 2,< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "comment" > // We are not interested in the others.< / span > < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   };< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "keyword" > enum< / span > TransferCharacteristics {< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   TC_UNSPECIFIED = 2,< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   TC_SRGB = 13,< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < span class = "comment" > // We are not interested in the others.< / span > < / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   };< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "keyword" > enum< / span > MatrixCoefficients {< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   MC_IDENTITY = 0,< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   MC_UNSPECIFIED = 2,< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "comment" > // We are not interested in the others.< / span > < / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   };< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "keyword" > enum< / span > ChromaSamplePosition {< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   CSP_UNKNOWN = 0,< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   CSP_VERTICAL,< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   CSP_COLOCATED,< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   CSP_RESERVED,< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   };< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "comment" > // 6.8.2. Uncompressed header semantics.< / span > < / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < span class = "keyword" > enum< / span > FrameType {< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   KEY_FRAME = 0,< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   INTER_FRAME,< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   INTRA_ONLY_FRAME,< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   SWITCH_FRAME,< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   };< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "comment" > // 6.10.24. Ref frames semantics.< / span > < / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "keyword" > enum< / span > RefFrameName {< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   INTRA_FRAME = 0,< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   LAST_FRAME,< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   LAST2_FRAME,< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   LAST3_FRAME,< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   GOLDEN_FRAME,< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   BWDREF_FRAME,< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   ALTREF2_FRAME,< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   ALTREF_FRAME,< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   };< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "comment" > // 4.7. Mathematical functions.< / span > < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "keywordtype" > int< / span > Clip3(< span class = "keywordtype" > int< / span > min_value, < span class = "keywordtype" > int< / span > max_value, < span class = "keywordtype" > int< / span > value) {< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "keywordflow" > if< / span > (value < min_value)< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "keywordflow" > return< / span > min_value;< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "keywordflow" > if< / span > (value > max_value)< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "keywordflow" > return< / span > max_value;< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "keywordflow" > return< / span > value;< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   }< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "comment" > // 4.7. Mathematical functions. The FloorLog2(x) function is defined to be the< / span > < / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "comment" > // floor of the base 2 logarithm of the input x.< / span > < / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "keywordtype" > int< / span > FloorLog2(< span class = "keywordtype" > int< / span > x) {< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "keywordtype" > int< / span > s = 0;< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "keywordflow" > while< / span > (x != 0) {< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   x = x > > 1;< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   s++;< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   }< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "keywordflow" > return< / span > s - 1;< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   }< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "comment" > // 4.10.3. uvlc(). This is a modified form of Exponential-Golomb coding.< / span > < / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keywordtype" > bool< / span > ReadUvlc(BitReader* reader, uint32_t* val) {< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "comment" > // Count the number of contiguous zero bits.< / span > < / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "keywordtype" > int< / span > leading_zeros = 0;< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < span class = "keywordflow" > while< / span > (< span class = "keyword" > true< / span > ) {< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < span class = "keywordtype" > bool< / span > done = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   RCHECK(reader-> ReadBits(1, & done));< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "keywordflow" > if< / span > (done)< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   leading_zeros++;< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   }< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < span class = "keywordflow" > if< / span > (leading_zeros > = 32) {< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   *val = (1ull < < 32) - 1;< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   }< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < span class = "keywordtype" > int< / span > value = 0;< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < span class = "keywordflow" > if< / span > (leading_zeros > 0)< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   RCHECK(reader-> ReadBits(leading_zeros, & value));< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   *val = value + (1 < < leading_zeros) - 1;< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   }< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < span class = "comment" > // 4.10.4. le(n). Unsigned little-endian n-byte number appearing directly in the< / span > < / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < span class = "comment" > // bitstream.< / span > < / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < span class = "keywordtype" > bool< / span > ReadLe(< span class = "keywordtype" > int< / span > n, BitReader* reader, < span class = "keywordtype" > size_t< / span > * val) {< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < span class = "keywordtype" > size_t< / span > t = 0;< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < n; i++) {< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < span class = "keywordtype" > size_t< / span > < span class = "keywordtype" > byte< / span > = 0;< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   RCHECK(reader-> ReadBits(8, & < span class = "keywordtype" > byte< / span > ));< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   t += (< span class = "keywordtype" > byte< / span > < < (i * 8));< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   }< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   *val = t;< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   }< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "comment" > // 4.10.5. leb128(). Unsigned integer represented by a variable number of< / span > < / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "comment" > // little-endian bytes.< / span > < / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < span class = "keywordtype" > bool< / span > ReadLeb128(BitReader* reader, < span class = "keywordtype" > size_t< / span > * size) {< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "keywordtype" > size_t< / span > value = 0;< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < 8; i++) {< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < span class = "keywordtype" > size_t< / span > leb128_byte = 0;< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   RCHECK(reader-> ReadBits(8, & leb128_byte));< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   value |= (leb128_byte & 0x7f) < < (i * 7);< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < span class = "keywordflow" > if< / span > (!(leb128_byte & 0x80))< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   }< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < span class = "comment" > // It is a requirement of bitstream conformance that the value returned from< / span > < / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < span class = "comment" > // the leb128 parsing process is less than or equal to (1< < 32) - 1.< / span > < / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   RCHECK(value < = ((1ull < < 32) - 1));< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   *size = value;< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   }< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   < / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < span class = "comment" > // 4.10.6. su(n). Signed integer converted from an n bits unsigned integer in< / span > < / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < span class = "comment" > // the bitstream.< / span > < / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < span class = "keywordtype" > bool< / span > ReadSu(< span class = "keywordtype" > int< / span > n, BitReader* reader, < span class = "keywordtype" > int< / span > * value) {< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   RCHECK(reader-> ReadBits(n, value));< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   < span class = "keywordtype" > int< / span > sign_mask = 1 < < (n - 1);< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < span class = "keywordflow" > if< / span > (*value & sign_mask)< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   *value = *value - 2 * sign_mask;< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   }< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < span class = "comment" > // 4.10.7. ns(n). Unsigned encoded integer with maximum number of values in n< / span > < / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < span class = "comment" > // (i.e. output in range 0..n-1).< / span > < / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < span class = "keywordtype" > bool< / span > ReadNs(< span class = "keywordtype" > int< / span > n, BitReader* reader, < span class = "keywordtype" > int< / span > * value) {< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > w = FloorLog2(n) + 1;< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > m = (1 < < w) - n;< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   RCHECK(reader-> ReadBits(w - 1, value));< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   < span class = "keywordflow" > if< / span > (*value < m)< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < span class = "keywordtype" > int< / span > extra_bit = 0;< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   RCHECK(reader-> ReadBits(1, & extra_bit));< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   *value = (*value < < 1) - m + extra_bit;< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   }< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   < / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   < span class = "comment" > // 5.9.16. Tile size calculation function: returns the smallest value for k such< / span > < / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   < span class = "comment" > // that blk_size < < k is greater than or equal to target.< / span > < / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   < span class = "keywordtype" > int< / span > TileLog2(< span class = "keywordtype" > int< / span > blk_size, < span class = "keywordtype" > int< / span > target) {< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < span class = "keywordtype" > int< / span > k = 0;< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < span class = "keywordflow" > for< / span > (k = 0; (blk_size < < k) < target; k++)< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < span class = "keywordflow" > return< / span > k;< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   }< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   < / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   < span class = "comment" > // See 7.8. Set frame refs process.< / span > < / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   < span class = "keywordtype" > int< / span > FindLatestBackward(< span class = "keywordtype" > int< / span > shifted_order_hints[],< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   < span class = "keywordtype" > bool< / span > used_frame[],< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   < span class = "keywordtype" > int< / span > cur_frame_hint) {< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < span class = "keywordtype" > int< / span > ref = -1;< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < span class = "keywordtype" > int< / span > latest_order_hint = 0;< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < kNumRefFrames; i++) {< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > hint = shifted_order_hints[i];< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   < span class = "keywordflow" > if< / span > (!used_frame[i] & & hint > = cur_frame_hint & & < / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   (ref < 0 || hint > = latest_order_hint)) {< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   ref = i;< / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   latest_order_hint = hint;< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   }< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   }< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < span class = "keywordflow" > return< / span > ref;< / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   }< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   < / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   < span class = "comment" > // See 7.8. Set frame refs process.< / span > < / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   < span class = "keywordtype" > int< / span > FindEarliestBackward(< span class = "keywordtype" > int< / span > shifted_order_hints[],< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   < span class = "keywordtype" > bool< / span > used_frame[],< / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   < span class = "keywordtype" > int< / span > cur_frame_hint) {< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < span class = "keywordtype" > int< / span > ref = -1;< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   < span class = "keywordtype" > int< / span > earliest_order_hint = 0;< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < kNumRefFrames; i++) {< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > hint = shifted_order_hints[i];< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   < span class = "keywordflow" > if< / span > (!used_frame[i] & & hint > = cur_frame_hint & & < / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   (ref < 0 || hint < earliest_order_hint)) {< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   ref = i;< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   earliest_order_hint = hint;< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   }< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   }< / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   < span class = "keywordflow" > return< / span > ref;< / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   }< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   < / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   < span class = "comment" > // See 7.8. Set frame refs process.< / span > < / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < span class = "keywordtype" > int< / span > FindLatestForward(< span class = "keywordtype" > int< / span > shifted_order_hints[],< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   < span class = "keywordtype" > bool< / span > used_frame[],< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   < span class = "keywordtype" > int< / span > cur_frame_hint) {< / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   < span class = "keywordtype" > int< / span > ref = -1;< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < span class = "keywordtype" > int< / span > latest_order_hint = 0;< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < kNumRefFrames; i++) {< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > hint = shifted_order_hints[i];< / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < span class = "keywordflow" > if< / span > (!used_frame[i] & & hint < cur_frame_hint & & < / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   (ref < 0 || hint > = latest_order_hint)) {< / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   ref = i;< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   latest_order_hint = hint;< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   }< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   }< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   < span class = "keywordflow" > return< / span > ref;< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   }< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   < / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   < / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   AV1Parser::AV1Parser() = < span class = "keywordflow" > default< / span > ;< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   AV1Parser::~AV1Parser() = < span class = "keywordflow" > default< / span > ;< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > < a class = "line" href = "../../db/dc7/classshaka_1_1media_1_1AV1Parser.html#ae0f20c4724f1c65b27f9f155c6362e6d" > 255< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../db/dc7/classshaka_1_1media_1_1AV1Parser.html#ae0f20c4724f1c65b27f9f155c6362e6d" > AV1Parser::Parse< / a > (< span class = "keyword" > const< / span > uint8_t* data,< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < span class = "keywordtype" > size_t< / span > data_size,< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   std::vector< Tile> * tiles) {< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   tiles-> clear();< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   < / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   < a class = "code" href = "../../d6/da9/classshaka_1_1media_1_1BitReader.html" > BitReader< / a > reader(data, data_size);< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   < span class = "keywordflow" > while< / span > (reader.< a class = "code" href = "../../d6/da9/classshaka_1_1media_1_1BitReader.html#a94b03de069b0054ee4a534b12644a986" > bits_available< / a > () > 0) {< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   < span class = "keywordflow" > if< / span > (!ParseOpenBitstreamUnit(& reader, tiles))< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   }< / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   }< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   < / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < span class = "comment" > // 5.3.1. General OBU syntax.< / span > < / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseOpenBitstreamUnit(< a class = "code" href = "../../d6/da9/classshaka_1_1media_1_1BitReader.html" > BitReader< / a > * reader,< / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   std::vector< Tile> * tiles) {< / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   ObuHeader obu_header;< / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   RCHECK(ParseObuHeader(reader, & obu_header));< / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   < / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   < span class = "keywordtype" > size_t< / span > obu_size = 0;< / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   < span class = "keywordflow" > if< / span > (obu_header.obu_has_size_field)< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   RCHECK(ReadLeb128(reader, & obu_size));< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   obu_size = reader-> < a class = "code" href = "../../d6/da9/classshaka_1_1media_1_1BitReader.html#a94b03de069b0054ee4a534b12644a986" > bits_available< / a > () / 8;< / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   < / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   VLOG(4) < < < span class = "stringliteral" > " OBU " < / span > < < obu_header.obu_type < < < span class = "stringliteral" > " size " < / span > < < obu_size;< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   < / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > start_position = reader-> < a class = "code" href = "../../d6/da9/classshaka_1_1media_1_1BitReader.html#a100abf1165633b67359bb3d813594f7e" > bit_position< / a > ();< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   < span class = "keywordflow" > switch< / span > (obu_header.obu_type) {< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   < span class = "keywordflow" > case< / span > OBU_SEQUENCE_HEADER:< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   RCHECK(ParseSequenceHeaderObu(reader));< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   < span class = "keywordflow" > case< / span > OBU_FRAME_HEADER:< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   < span class = "keywordflow" > case< / span > OBU_REDUNDENT_FRAME_HEADER:< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   RCHECK(ParseFrameHeaderObu(obu_header, reader));< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   < span class = "keywordflow" > case< / span > OBU_TILE_GROUP:< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   RCHECK(ParseTileGroupObu(obu_size, reader, tiles));< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   < span class = "keywordflow" > case< / span > OBU_FRAME:< / div >
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   RCHECK(ParseFrameObu(obu_header, obu_size, reader, tiles));< / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   < span class = "comment" > // Skip all OBUs we are not interested.< / span > < / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   RCHECK(reader-> < a class = "code" href = "../../d6/da9/classshaka_1_1media_1_1BitReader.html#a4ab20ef220c76072eaecb982aba0541d" > SkipBits< / a > (obu_size * 8));< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   }< / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   < / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > current_position = reader-> < a class = "code" href = "../../d6/da9/classshaka_1_1media_1_1BitReader.html#a100abf1165633b67359bb3d813594f7e" > bit_position< / a > ();< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > payload_bits = current_position - start_position;< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   < span class = "keywordflow" > if< / span > (obu_header.obu_type == OBU_TILE_GROUP ||< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   obu_header.obu_type == OBU_FRAME) {< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   RCHECK(payload_bits == obu_size * 8);< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (obu_size > 0) {< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   RCHECK(payload_bits < = obu_size * 8);< / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   RCHECK(ParseTrailingBits(obu_size * 8 - payload_bits, reader));< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   }< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   }< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   < / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   < span class = "comment" > // 5.3.2. OBU header syntax.< / span > < / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseObuHeader(BitReader* reader, ObuHeader* obu_header) {< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   < span class = "keywordtype" > int< / span > obu_forbidden_bit = 0;< / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   RCHECK(reader-> ReadBits(1, & obu_forbidden_bit));< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   RCHECK(obu_forbidden_bit == 0);< / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   RCHECK(reader-> ReadBits(4, & obu_header-> obu_type));< / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   < span class = "keywordtype" > bool< / span > obu_extension_flag = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   RCHECK(reader-> ReadBits(1, & obu_extension_flag));< / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   RCHECK(reader-> ReadBits(1, & obu_header-> obu_has_size_field));< / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   RCHECK(reader-> SkipBits(1)); < span class = "comment" > // Skip obu_reserved_1bit.< / span > < / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   < / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < span class = "keywordflow" > if< / span > (obu_extension_flag)< / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   RCHECK(ParseObuExtensionHeader(reader, & obu_header-> extension_header));< / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   < / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   }< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   < / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   < span class = "comment" > // 5.3.3. OBU extension header syntax.< / span > < / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseObuExtensionHeader(< / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   BitReader* reader,< / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   ObuExtensionHeader* obu_extension_header) {< / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   RCHECK(reader-> ReadBits(3, & obu_extension_header-> temporal_id));< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   RCHECK(reader-> ReadBits(2, & obu_extension_header-> spatial_id));< / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   RCHECK(reader-> SkipBits(3)); < span class = "comment" > // Skip extension_header_reserved_3bits.< / span > < / div >
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > 339< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   }< / div >
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   < / div >
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   < span class = "comment" > // 5.3.4. Trailing bits syntax.< / span > < / div >
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseTrailingBits(< span class = "keywordtype" > size_t< / span > nb_bits, BitReader* reader) {< / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   < span class = "keywordtype" > int< / span > trailing_one_bit = 0;< / div >
< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   RCHECK(reader-> ReadBits(1, & trailing_one_bit));< / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   RCHECK(trailing_one_bit == 1);< / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   nb_bits--;< / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   < span class = "keywordflow" > while< / span > (nb_bits > 0) {< / div >
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   < span class = "keywordtype" > int< / span > trailing_zero_bit = 0;< / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   RCHECK(reader-> ReadBits(1, & trailing_zero_bit));< / div >
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   RCHECK(trailing_zero_bit == 0);< / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   nb_bits--;< / div >
< div class = "line" > < a name = "l00353" > < / a > < span class = "lineno" > 353< / span >   }< / div >
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   }< / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   < / div >
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ByteAlignment(BitReader* reader) {< / div >
< div class = "line" > < a name = "l00358" > < / a > < span class = "lineno" > 358< / span >   < span class = "keywordflow" > while< / span > (reader-> bit_position() & 7) {< / div >
< div class = "line" > < a name = "l00359" > < / a > < span class = "lineno" > 359< / span >   < span class = "keywordtype" > int< / span > zero_bit = 0;< / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   RCHECK(reader-> ReadBits(1, & zero_bit));< / div >
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   RCHECK(zero_bit == 0);< / div >
< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   }< / div >
< div class = "line" > < a name = "l00363" > < / a > < span class = "lineno" > 363< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00364" > < / a > < span class = "lineno" > 364< / span >   }< / div >
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   < / div >
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   < span class = "comment" > // 5.5.1. General sequence header OBU syntax.< / span > < / div >
< div class = "line" > < a name = "l00367" > < / a > < span class = "lineno" > 367< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseSequenceHeaderObu(BitReader* reader) {< / div >
< div class = "line" > < a name = "l00368" > < / a > < span class = "lineno" > 368< / span >   RCHECK(reader-> ReadBits(3, & sequence_header_.seq_profile));< / div >
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   < span class = "comment" > // Skip still_picture.< / span > < / div >
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   RCHECK(reader-> SkipBits(1));< / div >
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   < / div >
< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   RCHECK(reader-> ReadBits(1, & sequence_header_.reduced_still_picture_header));< / div >
< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.reduced_still_picture_header) {< / div >
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   sequence_header_.decoder_model_info_present_flag = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00375" > < / a > < span class = "lineno" > 375< / span >   sequence_header_.operating_points_cnt_minus_1 = 0;< / div >
< div class = "line" > < a name = "l00376" > < / a > < span class = "lineno" > 376< / span >   sequence_header_.operating_point_idc[0] = 0;< / div >
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   < span class = "comment" > // Skip seq_level_idx[0].< / span > < / div >
< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   RCHECK(reader-> SkipBits(5));< / div >
< div class = "line" > < a name = "l00379" > < / a > < span class = "lineno" > 379< / span >   sequence_header_.decoder_model_present_for_this_op[0] = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00380" > < / a > < span class = "lineno" > 380< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > 381< / span >   < span class = "keywordtype" > bool< / span > timing_info_present_flag = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00382" > < / a > < span class = "lineno" > 382< / span >   RCHECK(reader-> ReadBits(1, & timing_info_present_flag));< / div >
< div class = "line" > < a name = "l00383" > < / a > < span class = "lineno" > 383< / span >   < / div >
< div class = "line" > < a name = "l00384" > < / a > < span class = "lineno" > 384< / span >   < span class = "keywordtype" > bool< / span > decoder_model_info_present_flag = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00385" > < / a > < span class = "lineno" > 385< / span >   < span class = "keywordflow" > if< / span > (timing_info_present_flag) {< / div >
< div class = "line" > < a name = "l00386" > < / a > < span class = "lineno" > 386< / span >   RCHECK(ParseTimingInfo(reader));< / div >
< div class = "line" > < a name = "l00387" > < / a > < span class = "lineno" > 387< / span >   RCHECK(reader-> ReadBits(1, & decoder_model_info_present_flag));< / div >
< div class = "line" > < a name = "l00388" > < / a > < span class = "lineno" > 388< / span >   < span class = "keywordflow" > if< / span > (decoder_model_info_present_flag)< / div >
< div class = "line" > < a name = "l00389" > < / a > < span class = "lineno" > 389< / span >   RCHECK(ParseDecoderModelInfo(reader));< / div >
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   }< / div >
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   sequence_header_.decoder_model_info_present_flag =< / div >
< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / span >   decoder_model_info_present_flag;< / div >
< div class = "line" > < a name = "l00393" > < / a > < span class = "lineno" > 393< / span >   < / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > 394< / span >   < span class = "keywordtype" > bool< / span > initial_display_delay_present_flag = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   RCHECK(reader-> ReadBits(1, & initial_display_delay_present_flag));< / div >
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   < / div >
< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   RCHECK(reader-> ReadBits(5, & sequence_header_.operating_points_cnt_minus_1));< / div >
< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < = sequence_header_.operating_points_cnt_minus_1; i++) {< / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   RCHECK(reader-> ReadBits(12, & sequence_header_.operating_point_idc[i]));< / div >
< div class = "line" > < a name = "l00400" > < / a > < span class = "lineno" > 400< / span >   < span class = "keywordtype" > int< / span > seq_level_idx_i = 0;< / div >
< div class = "line" > < a name = "l00401" > < / a > < span class = "lineno" > 401< / span >   RCHECK(reader-> ReadBits(5, & seq_level_idx_i));< / div >
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   < span class = "keywordflow" > if< / span > (seq_level_idx_i > 7) {< / div >
< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   < span class = "comment" > // Skip seq_tier[i].< / span > < / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   RCHECK(reader-> SkipBits(1));< / div >
< div class = "line" > < a name = "l00405" > < / a > < span class = "lineno" > 405< / span >   }< / div >
< div class = "line" > < a name = "l00406" > < / a > < span class = "lineno" > 406< / span >   < / div >
< div class = "line" > < a name = "l00407" > < / a > < span class = "lineno" > 407< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.decoder_model_info_present_flag) {< / div >
< div class = "line" > < a name = "l00408" > < / a > < span class = "lineno" > 408< / span >   RCHECK(reader-> ReadBits(< / div >
< div class = "line" > < a name = "l00409" > < / a > < span class = "lineno" > 409< / span >   1, & sequence_header_.decoder_model_present_for_this_op[i]));< / div >
< div class = "line" > < a name = "l00410" > < / a > < span class = "lineno" > 410< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.decoder_model_present_for_this_op[i]) {< / div >
< div class = "line" > < a name = "l00411" > < / a > < span class = "lineno" > 411< / span >   RCHECK(SkipOperatingParametersInfo(reader));< / div >
< div class = "line" > < a name = "l00412" > < / a > < span class = "lineno" > 412< / span >   }< / div >
< div class = "line" > < a name = "l00413" > < / a > < span class = "lineno" > 413< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00414" > < / a > < span class = "lineno" > 414< / span >   sequence_header_.decoder_model_present_for_this_op[i] = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00415" > < / a > < span class = "lineno" > 415< / span >   }< / div >
< div class = "line" > < a name = "l00416" > < / a > < span class = "lineno" > 416< / span >   < / div >
< div class = "line" > < a name = "l00417" > < / a > < span class = "lineno" > 417< / span >   < span class = "keywordflow" > if< / span > (initial_display_delay_present_flag) {< / div >
< div class = "line" > < a name = "l00418" > < / a > < span class = "lineno" > 418< / span >   < span class = "comment" > // Skip initial_display_delay_present_for_this_op[i],< / span > < / div >
< div class = "line" > < a name = "l00419" > < / a > < span class = "lineno" > 419< / span >   < span class = "comment" > // initial_display_delay_minus_1[i].< / span > < / div >
< div class = "line" > < a name = "l00420" > < / a > < span class = "lineno" > 420< / span >   RCHECK(reader-> SkipBitsConditional(< span class = "keyword" > true< / span > , 4));< / div >
< div class = "line" > < a name = "l00421" > < / a > < span class = "lineno" > 421< / span >   }< / div >
< div class = "line" > < a name = "l00422" > < / a > < span class = "lineno" > 422< / span >   }< / div >
< div class = "line" > < a name = "l00423" > < / a > < span class = "lineno" > 423< / span >   }< / div >
< div class = "line" > < a name = "l00424" > < / a > < span class = "lineno" > 424< / span >   < / div >
< div class = "line" > < a name = "l00425" > < / a > < span class = "lineno" > 425< / span >   RCHECK(reader-> ReadBits(4, & sequence_header_.frame_width_bits_minus_1));< / div >
< div class = "line" > < a name = "l00426" > < / a > < span class = "lineno" > 426< / span >   RCHECK(reader-> ReadBits(4, & sequence_header_.frame_height_bits_minus_1));< / div >
< div class = "line" > < a name = "l00427" > < / a > < span class = "lineno" > 427< / span >   RCHECK(reader-> ReadBits(sequence_header_.frame_width_bits_minus_1 + 1,< / div >
< div class = "line" > < a name = "l00428" > < / a > < span class = "lineno" > 428< / span >   & sequence_header_.max_frame_width_minus_1));< / div >
< div class = "line" > < a name = "l00429" > < / a > < span class = "lineno" > 429< / span >   RCHECK(reader-> ReadBits(sequence_header_.frame_height_bits_minus_1 + 1,< / div >
< div class = "line" > < a name = "l00430" > < / a > < span class = "lineno" > 430< / span >   & sequence_header_.max_frame_height_minus_1));< / div >
< div class = "line" > < a name = "l00431" > < / a > < span class = "lineno" > 431< / span >   < / div >
< div class = "line" > < a name = "l00432" > < / a > < span class = "lineno" > 432< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.reduced_still_picture_header) {< / div >
< div class = "line" > < a name = "l00433" > < / a > < span class = "lineno" > 433< / span >   sequence_header_.frame_id_numbers_present_flag = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00434" > < / a > < span class = "lineno" > 434< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00435" > < / a > < span class = "lineno" > 435< / span >   RCHECK(< / div >
< div class = "line" > < a name = "l00436" > < / a > < span class = "lineno" > 436< / span >   reader-> ReadBits(1, & sequence_header_.frame_id_numbers_present_flag));< / div >
< div class = "line" > < a name = "l00437" > < / a > < span class = "lineno" > 437< / span >   }< / div >
< div class = "line" > < a name = "l00438" > < / a > < span class = "lineno" > 438< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.frame_id_numbers_present_flag) {< / div >
< div class = "line" > < a name = "l00439" > < / a > < span class = "lineno" > 439< / span >   RCHECK(< / div >
< div class = "line" > < a name = "l00440" > < / a > < span class = "lineno" > 440< / span >   reader-> ReadBits(4, & sequence_header_.delta_frame_id_length_minus_2));< / div >
< div class = "line" > < a name = "l00441" > < / a > < span class = "lineno" > 441< / span >   RCHECK(reader-> ReadBits(< / div >
< div class = "line" > < a name = "l00442" > < / a > < span class = "lineno" > 442< / span >   3, & sequence_header_.additional_frame_id_length_minus_1));< / div >
< div class = "line" > < a name = "l00443" > < / a > < span class = "lineno" > 443< / span >   }< / div >
< div class = "line" > < a name = "l00444" > < / a > < span class = "lineno" > 444< / span >   < / div >
< div class = "line" > < a name = "l00445" > < / a > < span class = "lineno" > 445< / span >   RCHECK(reader-> ReadBits(1, & sequence_header_.use_128x128_superblock));< / div >
< div class = "line" > < a name = "l00446" > < / a > < span class = "lineno" > 446< / span >   < span class = "comment" > // Skip enable_filter_intra, enable_intra_edge_filter.< / span > < / div >
< div class = "line" > < a name = "l00447" > < / a > < span class = "lineno" > 447< / span >   RCHECK(reader-> SkipBits(1 + 1));< / div >
< div class = "line" > < a name = "l00448" > < / a > < span class = "lineno" > 448< / span >   < / div >
< div class = "line" > < a name = "l00449" > < / a > < span class = "lineno" > 449< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.reduced_still_picture_header) {< / div >
< div class = "line" > < a name = "l00450" > < / a > < span class = "lineno" > 450< / span >   sequence_header_.enable_warped_motion = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00451" > < / a > < span class = "lineno" > 451< / span >   sequence_header_.enable_order_hint = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00452" > < / a > < span class = "lineno" > 452< / span >   sequence_header_.enable_ref_frame_mvs = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00453" > < / a > < span class = "lineno" > 453< / span >   sequence_header_.order_hint_bits = 0;< / div >
< div class = "line" > < a name = "l00454" > < / a > < span class = "lineno" > 454< / span >   sequence_header_.seq_force_screen_content_tools = kSelectScreenContentTools;< / div >
< div class = "line" > < a name = "l00455" > < / a > < span class = "lineno" > 455< / span >   sequence_header_.seq_force_integer_mv = kSelectIntegerMv;< / div >
< div class = "line" > < a name = "l00456" > < / a > < span class = "lineno" > 456< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00457" > < / a > < span class = "lineno" > 457< / span >   < span class = "comment" > // Skip enable_interintra_compound, enable_masked_compound,< / span > < / div >
< div class = "line" > < a name = "l00458" > < / a > < span class = "lineno" > 458< / span >   RCHECK(reader-> SkipBits(1 + 1));< / div >
< div class = "line" > < a name = "l00459" > < / a > < span class = "lineno" > 459< / span >   < / div >
< div class = "line" > < a name = "l00460" > < / a > < span class = "lineno" > 460< / span >   RCHECK(reader-> ReadBits(1, & sequence_header_.enable_warped_motion));< / div >
< div class = "line" > < a name = "l00461" > < / a > < span class = "lineno" > 461< / span >   RCHECK(reader-> SkipBits(1)); < span class = "comment" > // Skip enable_dual_filter.< / span > < / div >
< div class = "line" > < a name = "l00462" > < / a > < span class = "lineno" > 462< / span >   RCHECK(reader-> ReadBits(1, & sequence_header_.enable_order_hint));< / div >
< div class = "line" > < a name = "l00463" > < / a > < span class = "lineno" > 463< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.enable_order_hint) {< / div >
< div class = "line" > < a name = "l00464" > < / a > < span class = "lineno" > 464< / span >   < span class = "comment" > // Skip enable_jnt_comp.< / span > < / div >
< div class = "line" > < a name = "l00465" > < / a > < span class = "lineno" > 465< / span >   RCHECK(reader-> SkipBits(1));< / div >
< div class = "line" > < a name = "l00466" > < / a > < span class = "lineno" > 466< / span >   RCHECK(reader-> ReadBits(1, & sequence_header_.enable_ref_frame_mvs));< / div >
< div class = "line" > < a name = "l00467" > < / a > < span class = "lineno" > 467< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00468" > < / a > < span class = "lineno" > 468< / span >   sequence_header_.enable_ref_frame_mvs = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00469" > < / a > < span class = "lineno" > 469< / span >   }< / div >
< div class = "line" > < a name = "l00470" > < / a > < span class = "lineno" > 470< / span >   < / div >
< div class = "line" > < a name = "l00471" > < / a > < span class = "lineno" > 471< / span >   < span class = "keywordtype" > bool< / span > seq_choose_screen_content_tools = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00472" > < / a > < span class = "lineno" > 472< / span >   RCHECK(reader-> ReadBits(1, & seq_choose_screen_content_tools));< / div >
< div class = "line" > < a name = "l00473" > < / a > < span class = "lineno" > 473< / span >   < / div >
< div class = "line" > < a name = "l00474" > < / a > < span class = "lineno" > 474< / span >   < span class = "keywordflow" > if< / span > (seq_choose_screen_content_tools) {< / div >
< div class = "line" > < a name = "l00475" > < / a > < span class = "lineno" > 475< / span >   sequence_header_.seq_force_screen_content_tools =< / div >
< div class = "line" > < a name = "l00476" > < / a > < span class = "lineno" > 476< / span >   kSelectScreenContentTools;< / div >
< div class = "line" > < a name = "l00477" > < / a > < span class = "lineno" > 477< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00478" > < / a > < span class = "lineno" > 478< / span >   RCHECK(reader-> ReadBits(< / div >
< div class = "line" > < a name = "l00479" > < / a > < span class = "lineno" > 479< / span >   1, & sequence_header_.seq_force_screen_content_tools));< / div >
< div class = "line" > < a name = "l00480" > < / a > < span class = "lineno" > 480< / span >   }< / div >
< div class = "line" > < a name = "l00481" > < / a > < span class = "lineno" > 481< / span >   < / div >
< div class = "line" > < a name = "l00482" > < / a > < span class = "lineno" > 482< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.seq_force_screen_content_tools > 0) {< / div >
< div class = "line" > < a name = "l00483" > < / a > < span class = "lineno" > 483< / span >   < span class = "keywordtype" > bool< / span > seq_choose_integer_mv = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00484" > < / a > < span class = "lineno" > 484< / span >   RCHECK(reader-> ReadBits(1, & seq_choose_integer_mv));< / div >
< div class = "line" > < a name = "l00485" > < / a > < span class = "lineno" > 485< / span >   < span class = "keywordflow" > if< / span > (seq_choose_integer_mv)< / div >
< div class = "line" > < a name = "l00486" > < / a > < span class = "lineno" > 486< / span >   sequence_header_.seq_force_integer_mv = kSelectIntegerMv;< / div >
< div class = "line" > < a name = "l00487" > < / a > < span class = "lineno" > 487< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00488" > < / a > < span class = "lineno" > 488< / span >   RCHECK(reader-> ReadBits(1, & sequence_header_.seq_force_integer_mv));< / div >
< div class = "line" > < a name = "l00489" > < / a > < span class = "lineno" > 489< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00490" > < / a > < span class = "lineno" > 490< / span >   sequence_header_.seq_force_integer_mv = kSelectIntegerMv;< / div >
< div class = "line" > < a name = "l00491" > < / a > < span class = "lineno" > 491< / span >   }< / div >
< div class = "line" > < a name = "l00492" > < / a > < span class = "lineno" > 492< / span >   < / div >
< div class = "line" > < a name = "l00493" > < / a > < span class = "lineno" > 493< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.enable_order_hint) {< / div >
< div class = "line" > < a name = "l00494" > < / a > < span class = "lineno" > 494< / span >   < span class = "keywordtype" > int< / span > order_hint_bits_minus_1 = 0;< / div >
< div class = "line" > < a name = "l00495" > < / a > < span class = "lineno" > 495< / span >   RCHECK(reader-> ReadBits(3, & order_hint_bits_minus_1));< / div >
< div class = "line" > < a name = "l00496" > < / a > < span class = "lineno" > 496< / span >   sequence_header_.order_hint_bits = order_hint_bits_minus_1 + 1;< / div >
< div class = "line" > < a name = "l00497" > < / a > < span class = "lineno" > 497< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00498" > < / a > < span class = "lineno" > 498< / span >   sequence_header_.order_hint_bits = 0;< / div >
< div class = "line" > < a name = "l00499" > < / a > < span class = "lineno" > 499< / span >   }< / div >
< div class = "line" > < a name = "l00500" > < / a > < span class = "lineno" > 500< / span >   }< / div >
< div class = "line" > < a name = "l00501" > < / a > < span class = "lineno" > 501< / span >   < / div >
< div class = "line" > < a name = "l00502" > < / a > < span class = "lineno" > 502< / span >   RCHECK(reader-> ReadBits(1, & sequence_header_.enable_superres));< / div >
< div class = "line" > < a name = "l00503" > < / a > < span class = "lineno" > 503< / span >   RCHECK(reader-> ReadBits(1, & sequence_header_.enable_cdef));< / div >
< div class = "line" > < a name = "l00504" > < / a > < span class = "lineno" > 504< / span >   RCHECK(reader-> ReadBits(1, & sequence_header_.enable_restoration));< / div >
< div class = "line" > < a name = "l00505" > < / a > < span class = "lineno" > 505< / span >   RCHECK(ParseColorConfig(reader));< / div >
< div class = "line" > < a name = "l00506" > < / a > < span class = "lineno" > 506< / span >   RCHECK(reader-> ReadBits(1, & sequence_header_.film_grain_params_present));< / div >
< div class = "line" > < a name = "l00507" > < / a > < span class = "lineno" > 507< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00508" > < / a > < span class = "lineno" > 508< / span >   }< / div >
< div class = "line" > < a name = "l00509" > < / a > < span class = "lineno" > 509< / span >   < / div >
< div class = "line" > < a name = "l00510" > < / a > < span class = "lineno" > 510< / span >   < span class = "comment" > // 5.5.2. Color config syntax.< / span > < / div >
< div class = "line" > < a name = "l00511" > < / a > < span class = "lineno" > 511< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseColorConfig(BitReader* reader) {< / div >
< div class = "line" > < a name = "l00512" > < / a > < span class = "lineno" > 512< / span >   ColorConfig& color_config = sequence_header_.color_config;< / div >
< div class = "line" > < a name = "l00513" > < / a > < span class = "lineno" > 513< / span >   < / div >
< div class = "line" > < a name = "l00514" > < / a > < span class = "lineno" > 514< / span >   < span class = "keywordtype" > bool< / span > high_bitdepth = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00515" > < / a > < span class = "lineno" > 515< / span >   RCHECK(reader-> ReadBits(1, & high_bitdepth));< / div >
< div class = "line" > < a name = "l00516" > < / a > < span class = "lineno" > 516< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.seq_profile == 2 & & high_bitdepth) {< / div >
< div class = "line" > < a name = "l00517" > < / a > < span class = "lineno" > 517< / span >   < span class = "keywordtype" > bool< / span > twelve_bit = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00518" > < / a > < span class = "lineno" > 518< / span >   RCHECK(reader-> ReadBits(1, & twelve_bit));< / div >
< div class = "line" > < a name = "l00519" > < / a > < span class = "lineno" > 519< / span >   color_config.bit_depth = twelve_bit ? 12 : 10;< / div >
< div class = "line" > < a name = "l00520" > < / a > < span class = "lineno" > 520< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (sequence_header_.seq_profile < = 2) {< / div >
< div class = "line" > < a name = "l00521" > < / a > < span class = "lineno" > 521< / span >   color_config.bit_depth = high_bitdepth ? 10 : 8;< / div >
< div class = "line" > < a name = "l00522" > < / a > < span class = "lineno" > 522< / span >   }< / div >
< div class = "line" > < a name = "l00523" > < / a > < span class = "lineno" > 523< / span >   < / div >
< div class = "line" > < a name = "l00524" > < / a > < span class = "lineno" > 524< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.seq_profile == 1)< / div >
< div class = "line" > < a name = "l00525" > < / a > < span class = "lineno" > 525< / span >   color_config.mono_chrome = 0;< / div >
< div class = "line" > < a name = "l00526" > < / a > < span class = "lineno" > 526< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00527" > < / a > < span class = "lineno" > 527< / span >   RCHECK(reader-> ReadBits(1, & color_config.mono_chrome));< / div >
< div class = "line" > < a name = "l00528" > < / a > < span class = "lineno" > 528< / span >   color_config.num_planes = color_config.mono_chrome ? 1 : 3;< / div >
< div class = "line" > < a name = "l00529" > < / a > < span class = "lineno" > 529< / span >   < / div >
< div class = "line" > < a name = "l00530" > < / a > < span class = "lineno" > 530< / span >   < span class = "keywordtype" > bool< / span > color_description_present_flag = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00531" > < / a > < span class = "lineno" > 531< / span >   RCHECK(reader-> ReadBits(1, & color_description_present_flag));< / div >
< div class = "line" > < a name = "l00532" > < / a > < span class = "lineno" > 532< / span >   < / div >
< div class = "line" > < a name = "l00533" > < / a > < span class = "lineno" > 533< / span >   < span class = "keywordflow" > if< / span > (color_description_present_flag) {< / div >
< div class = "line" > < a name = "l00534" > < / a > < span class = "lineno" > 534< / span >   RCHECK(reader-> ReadBits(8, & color_config.color_primaries));< / div >
< div class = "line" > < a name = "l00535" > < / a > < span class = "lineno" > 535< / span >   RCHECK(reader-> ReadBits(8, & color_config.transfer_chracteristics));< / div >
< div class = "line" > < a name = "l00536" > < / a > < span class = "lineno" > 536< / span >   RCHECK(reader-> ReadBits(8, & color_config.matrix_coefficients));< / div >
< div class = "line" > < a name = "l00537" > < / a > < span class = "lineno" > 537< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00538" > < / a > < span class = "lineno" > 538< / span >   color_config.color_primaries = CP_UNSPECIFIED;< / div >
< div class = "line" > < a name = "l00539" > < / a > < span class = "lineno" > 539< / span >   color_config.transfer_chracteristics = TC_UNSPECIFIED;< / div >
< div class = "line" > < a name = "l00540" > < / a > < span class = "lineno" > 540< / span >   color_config.matrix_coefficients = MC_UNSPECIFIED;< / div >
< div class = "line" > < a name = "l00541" > < / a > < span class = "lineno" > 541< / span >   }< / div >
< div class = "line" > < a name = "l00542" > < / a > < span class = "lineno" > 542< / span >   < / div >
< div class = "line" > < a name = "l00543" > < / a > < span class = "lineno" > 543< / span >   < span class = "keywordflow" > if< / span > (color_config.mono_chrome) {< / div >
< div class = "line" > < a name = "l00544" > < / a > < span class = "lineno" > 544< / span >   RCHECK(reader-> ReadBits(1, & color_config.color_range));< / div >
< div class = "line" > < a name = "l00545" > < / a > < span class = "lineno" > 545< / span >   color_config.subsampling_x = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00546" > < / a > < span class = "lineno" > 546< / span >   color_config.subsampling_y = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00547" > < / a > < span class = "lineno" > 547< / span >   color_config.chroma_sampling_position = CSP_UNKNOWN;< / div >
< div class = "line" > < a name = "l00548" > < / a > < span class = "lineno" > 548< / span >   color_config.separate_uv_delta_q = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00549" > < / a > < span class = "lineno" > 549< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00550" > < / a > < span class = "lineno" > 550< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (color_config.color_primaries == CP_BT_709 & & < / div >
< div class = "line" > < a name = "l00551" > < / a > < span class = "lineno" > 551< / span >   color_config.transfer_chracteristics == TC_SRGB & & < / div >
< div class = "line" > < a name = "l00552" > < / a > < span class = "lineno" > 552< / span >   color_config.matrix_coefficients == MC_IDENTITY) {< / div >
< div class = "line" > < a name = "l00553" > < / a > < span class = "lineno" > 553< / span >   color_config.color_range = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00554" > < / a > < span class = "lineno" > 554< / span >   color_config.subsampling_x = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00555" > < / a > < span class = "lineno" > 555< / span >   color_config.subsampling_y = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00556" > < / a > < span class = "lineno" > 556< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00557" > < / a > < span class = "lineno" > 557< / span >   RCHECK(reader-> ReadBits(1, & color_config.color_range));< / div >
< div class = "line" > < a name = "l00558" > < / a > < span class = "lineno" > 558< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.seq_profile == 0) {< / div >
< div class = "line" > < a name = "l00559" > < / a > < span class = "lineno" > 559< / span >   color_config.subsampling_x = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00560" > < / a > < span class = "lineno" > 560< / span >   color_config.subsampling_y = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00561" > < / a > < span class = "lineno" > 561< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (sequence_header_.seq_profile == 1) {< / div >
< div class = "line" > < a name = "l00562" > < / a > < span class = "lineno" > 562< / span >   color_config.subsampling_x = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00563" > < / a > < span class = "lineno" > 563< / span >   color_config.subsampling_y = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00564" > < / a > < span class = "lineno" > 564< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00565" > < / a > < span class = "lineno" > 565< / span >   < span class = "keywordflow" > if< / span > (color_config.bit_depth == 12) {< / div >
< div class = "line" > < a name = "l00566" > < / a > < span class = "lineno" > 566< / span >   RCHECK(reader-> ReadBits(1, & color_config.subsampling_x));< / div >
< div class = "line" > < a name = "l00567" > < / a > < span class = "lineno" > 567< / span >   < span class = "keywordflow" > if< / span > (color_config.subsampling_x)< / div >
< div class = "line" > < a name = "l00568" > < / a > < span class = "lineno" > 568< / span >   RCHECK(reader-> ReadBits(1, & color_config.subsampling_y));< / div >
< div class = "line" > < a name = "l00569" > < / a > < span class = "lineno" > 569< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00570" > < / a > < span class = "lineno" > 570< / span >   color_config.subsampling_y = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00571" > < / a > < span class = "lineno" > 571< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00572" > < / a > < span class = "lineno" > 572< / span >   color_config.subsampling_x = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00573" > < / a > < span class = "lineno" > 573< / span >   color_config.subsampling_y = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00574" > < / a > < span class = "lineno" > 574< / span >   }< / div >
< div class = "line" > < a name = "l00575" > < / a > < span class = "lineno" > 575< / span >   }< / div >
< div class = "line" > < a name = "l00576" > < / a > < span class = "lineno" > 576< / span >   < / div >
< div class = "line" > < a name = "l00577" > < / a > < span class = "lineno" > 577< / span >   < span class = "keywordflow" > if< / span > (color_config.subsampling_x & & color_config.subsampling_y)< / div >
< div class = "line" > < a name = "l00578" > < / a > < span class = "lineno" > 578< / span >   RCHECK(reader-> ReadBits(2, & color_config.chroma_sampling_position));< / div >
< div class = "line" > < a name = "l00579" > < / a > < span class = "lineno" > 579< / span >   }< / div >
< div class = "line" > < a name = "l00580" > < / a > < span class = "lineno" > 580< / span >   < / div >
< div class = "line" > < a name = "l00581" > < / a > < span class = "lineno" > 581< / span >   RCHECK(reader-> ReadBits(1, & color_config.separate_uv_delta_q));< / div >
< div class = "line" > < a name = "l00582" > < / a > < span class = "lineno" > 582< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00583" > < / a > < span class = "lineno" > 583< / span >   }< / div >
< div class = "line" > < a name = "l00584" > < / a > < span class = "lineno" > 584< / span >   < / div >
< div class = "line" > < a name = "l00585" > < / a > < span class = "lineno" > 585< / span >   < span class = "comment" > // 5.5.3.Timing info syntax.< / span > < / div >
< div class = "line" > < a name = "l00586" > < / a > < span class = "lineno" > 586< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseTimingInfo(BitReader* reader) {< / div >
< div class = "line" > < a name = "l00587" > < / a > < span class = "lineno" > 587< / span >   < span class = "comment" > // Skip num_units_in_display_tick, time_scale.< / span > < / div >
< div class = "line" > < a name = "l00588" > < / a > < span class = "lineno" > 588< / span >   RCHECK(reader-> SkipBits(32 + 32));< / div >
< div class = "line" > < a name = "l00589" > < / a > < span class = "lineno" > 589< / span >   < span class = "keywordtype" > bool< / span > equal_picture_interval = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00590" > < / a > < span class = "lineno" > 590< / span >   RCHECK(reader-> ReadBits(1, & equal_picture_interval));< / div >
< div class = "line" > < a name = "l00591" > < / a > < span class = "lineno" > 591< / span >   sequence_header_.timing_info.equal_picture_interval = equal_picture_interval;< / div >
< div class = "line" > < a name = "l00592" > < / a > < span class = "lineno" > 592< / span >   < span class = "keywordflow" > if< / span > (equal_picture_interval) {< / div >
< div class = "line" > < a name = "l00593" > < / a > < span class = "lineno" > 593< / span >   uint32_t num_ticks_per_picture_minus_1 = 0;< / div >
< div class = "line" > < a name = "l00594" > < / a > < span class = "lineno" > 594< / span >   RCHECK(ReadUvlc(reader, & num_ticks_per_picture_minus_1));< / div >
< div class = "line" > < a name = "l00595" > < / a > < span class = "lineno" > 595< / span >   }< / div >
< div class = "line" > < a name = "l00596" > < / a > < span class = "lineno" > 596< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00597" > < / a > < span class = "lineno" > 597< / span >   }< / div >
< div class = "line" > < a name = "l00598" > < / a > < span class = "lineno" > 598< / span >   < / div >
< div class = "line" > < a name = "l00599" > < / a > < span class = "lineno" > 599< / span >   < span class = "comment" > // 5.5.4. Decoder model info syntax.< / span > < / div >
< div class = "line" > < a name = "l00600" > < / a > < span class = "lineno" > 600< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseDecoderModelInfo(BitReader* reader) {< / div >
< div class = "line" > < a name = "l00601" > < / a > < span class = "lineno" > 601< / span >   DecoderModelInfo& decoder_model_info = sequence_header_.decoder_model_info;< / div >
< div class = "line" > < a name = "l00602" > < / a > < span class = "lineno" > 602< / span >   < / div >
< div class = "line" > < a name = "l00603" > < / a > < span class = "lineno" > 603< / span >   RCHECK(reader-> ReadBits(5, & decoder_model_info.buffer_delay_length_minus_1));< / div >
< div class = "line" > < a name = "l00604" > < / a > < span class = "lineno" > 604< / span >   < span class = "comment" > // Skip num_units_in_decoding_tick.< / span > < / div >
< div class = "line" > < a name = "l00605" > < / a > < span class = "lineno" > 605< / span >   RCHECK(reader-> SkipBits(32));< / div >
< div class = "line" > < a name = "l00606" > < / a > < span class = "lineno" > 606< / span >   RCHECK(reader-> ReadBits(< / div >
< div class = "line" > < a name = "l00607" > < / a > < span class = "lineno" > 607< / span >   5, & decoder_model_info.buffer_removal_time_length_minus_1));< / div >
< div class = "line" > < a name = "l00608" > < / a > < span class = "lineno" > 608< / span >   RCHECK(reader-> ReadBits(< / div >
< div class = "line" > < a name = "l00609" > < / a > < span class = "lineno" > 609< / span >   5, & decoder_model_info.frame_presentation_time_length_minus_1));< / div >
< div class = "line" > < a name = "l00610" > < / a > < span class = "lineno" > 610< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00611" > < / a > < span class = "lineno" > 611< / span >   }< / div >
< div class = "line" > < a name = "l00612" > < / a > < span class = "lineno" > 612< / span >   < / div >
< div class = "line" > < a name = "l00613" > < / a > < span class = "lineno" > 613< / span >   < span class = "comment" > // 5.5.5. Operating parameters info syntax.< / span > < / div >
< div class = "line" > < a name = "l00614" > < / a > < span class = "lineno" > 614< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::SkipOperatingParametersInfo(BitReader* reader) {< / div >
< div class = "line" > < a name = "l00615" > < / a > < span class = "lineno" > 615< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > n =< / div >
< div class = "line" > < a name = "l00616" > < / a > < span class = "lineno" > 616< / span >   sequence_header_.decoder_model_info.buffer_delay_length_minus_1 + 1;< / div >
< div class = "line" > < a name = "l00617" > < / a > < span class = "lineno" > 617< / span >   < span class = "comment" > // Skip decoder_buffer_delay[op], encoder_buffer_delay[op],< / span > < / div >
< div class = "line" > < a name = "l00618" > < / a > < span class = "lineno" > 618< / span >   < span class = "comment" > // low_delay_mode_flag[op].< / span > < / div >
< div class = "line" > < a name = "l00619" > < / a > < span class = "lineno" > 619< / span >   RCHECK(reader-> SkipBits(n + n + 1));< / div >
< div class = "line" > < a name = "l00620" > < / a > < span class = "lineno" > 620< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00621" > < / a > < span class = "lineno" > 621< / span >   }< / div >
< div class = "line" > < a name = "l00622" > < / a > < span class = "lineno" > 622< / span >   < / div >
< div class = "line" > < a name = "l00623" > < / a > < span class = "lineno" > 623< / span >   < span class = "comment" > // 5.9.1. General frame header OBU syntax.< / span > < / div >
< div class = "line" > < a name = "l00624" > < / a > < span class = "lineno" > 624< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseFrameHeaderObu(< span class = "keyword" > const< / span > ObuHeader& obu_header,< / div >
< div class = "line" > < a name = "l00625" > < / a > < span class = "lineno" > 625< / span >   BitReader* reader) {< / div >
< div class = "line" > < a name = "l00626" > < / a > < span class = "lineno" > 626< / span >   < span class = "keywordflow" > if< / span > (frame_header_.seen_frame_header)< / div >
< div class = "line" > < a name = "l00627" > < / a > < span class = "lineno" > 627< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00628" > < / a > < span class = "lineno" > 628< / span >   < / div >
< div class = "line" > < a name = "l00629" > < / a > < span class = "lineno" > 629< / span >   frame_header_.seen_frame_header = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00630" > < / a > < span class = "lineno" > 630< / span >   RCHECK(ParseUncompressedHeader(obu_header, reader));< / div >
< div class = "line" > < a name = "l00631" > < / a > < span class = "lineno" > 631< / span >   < span class = "keywordflow" > if< / span > (frame_header_.show_existing_frame) {< / div >
< div class = "line" > < a name = "l00632" > < / a > < span class = "lineno" > 632< / span >   DecodeFrameWrapup();< / div >
< div class = "line" > < a name = "l00633" > < / a > < span class = "lineno" > 633< / span >   frame_header_.seen_frame_header = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00634" > < / a > < span class = "lineno" > 634< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00635" > < / a > < span class = "lineno" > 635< / span >   frame_header_.seen_frame_header = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00636" > < / a > < span class = "lineno" > 636< / span >   }< / div >
< div class = "line" > < a name = "l00637" > < / a > < span class = "lineno" > 637< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00638" > < / a > < span class = "lineno" > 638< / span >   }< / div >
< div class = "line" > < a name = "l00639" > < / a > < span class = "lineno" > 639< / span >   < / div >
< div class = "line" > < a name = "l00640" > < / a > < span class = "lineno" > 640< / span >   < span class = "comment" > // 5.9.2. Uncompressed header syntax.< / span > < / div >
< div class = "line" > < a name = "l00641" > < / a > < span class = "lineno" > 641< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseUncompressedHeader(< span class = "keyword" > const< / span > ObuHeader& obu_header,< / div >
< div class = "line" > < a name = "l00642" > < / a > < span class = "lineno" > 642< / span >   BitReader* reader) {< / div >
< div class = "line" > < a name = "l00643" > < / a > < span class = "lineno" > 643< / span >   < span class = "keywordtype" > int< / span > id_len = 0;< / div >
< div class = "line" > < a name = "l00644" > < / a > < span class = "lineno" > 644< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.frame_id_numbers_present_flag) {< / div >
< div class = "line" > < a name = "l00645" > < / a > < span class = "lineno" > 645< / span >   id_len = sequence_header_.additional_frame_id_length_minus_1 + 1 +< / div >
< div class = "line" > < a name = "l00646" > < / a > < span class = "lineno" > 646< / span >   sequence_header_.delta_frame_id_length_minus_2 + 2;< / div >
< div class = "line" > < a name = "l00647" > < / a > < span class = "lineno" > 647< / span >   }< / div >
< div class = "line" > < a name = "l00648" > < / a > < span class = "lineno" > 648< / span >   < / div >
< div class = "line" > < a name = "l00649" > < / a > < span class = "lineno" > 649< / span >   < span class = "keywordtype" > bool< / span > frame_is_intra = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00650" > < / a > < span class = "lineno" > 650< / span >   < span class = "keywordtype" > bool< / span > show_frame = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00651" > < / a > < span class = "lineno" > 651< / span >   < span class = "keywordtype" > bool< / span > showable_frame = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00652" > < / a > < span class = "lineno" > 652< / span >   < span class = "keywordtype" > bool< / span > error_resilient_mode = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00653" > < / a > < span class = "lineno" > 653< / span >   < / div >
< div class = "line" > < a name = "l00654" > < / a > < span class = "lineno" > 654< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.reduced_still_picture_header) {< / div >
< div class = "line" > < a name = "l00655" > < / a > < span class = "lineno" > 655< / span >   frame_header_.show_existing_frame = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00656" > < / a > < span class = "lineno" > 656< / span >   frame_header_.frame_type = KEY_FRAME;< / div >
< div class = "line" > < a name = "l00657" > < / a > < span class = "lineno" > 657< / span >   frame_is_intra = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00658" > < / a > < span class = "lineno" > 658< / span >   show_frame = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00659" > < / a > < span class = "lineno" > 659< / span >   showable_frame = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00660" > < / a > < span class = "lineno" > 660< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00661" > < / a > < span class = "lineno" > 661< / span >   RCHECK(reader-> ReadBits(1, & frame_header_.show_existing_frame));< / div >
< div class = "line" > < a name = "l00662" > < / a > < span class = "lineno" > 662< / span >   < span class = "keywordflow" > if< / span > (frame_header_.show_existing_frame) {< / div >
< div class = "line" > < a name = "l00663" > < / a > < span class = "lineno" > 663< / span >   RCHECK(reader-> ReadBits(3, & frame_header_.frame_to_show_map_idx));< / div >
< div class = "line" > < a name = "l00664" > < / a > < span class = "lineno" > 664< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.decoder_model_info_present_flag & & < / div >
< div class = "line" > < a name = "l00665" > < / a > < span class = "lineno" > 665< / span >   !sequence_header_.timing_info.equal_picture_interval) {< / div >
< div class = "line" > < a name = "l00666" > < / a > < span class = "lineno" > 666< / span >   RCHECK(SkipTemporalPointInfo(reader));< / div >
< div class = "line" > < a name = "l00667" > < / a > < span class = "lineno" > 667< / span >   }< / div >
< div class = "line" > < a name = "l00668" > < / a > < span class = "lineno" > 668< / span >   frame_header_.refresh_frame_flags = 0;< / div >
< div class = "line" > < a name = "l00669" > < / a > < span class = "lineno" > 669< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.frame_id_numbers_present_flag) {< / div >
< div class = "line" > < a name = "l00670" > < / a > < span class = "lineno" > 670< / span >   < span class = "comment" > // Skip display_frame_id.< / span > < / div >
< div class = "line" > < a name = "l00671" > < / a > < span class = "lineno" > 671< / span >   RCHECK(reader-> SkipBits(id_len));< / div >
< div class = "line" > < a name = "l00672" > < / a > < span class = "lineno" > 672< / span >   }< / div >
< div class = "line" > < a name = "l00673" > < / a > < span class = "lineno" > 673< / span >   frame_header_.frame_type =< / div >
< div class = "line" > < a name = "l00674" > < / a > < span class = "lineno" > 674< / span >   reference_frames_[frame_header_.frame_to_show_map_idx].frame_type;< / div >
< div class = "line" > < a name = "l00675" > < / a > < span class = "lineno" > 675< / span >   < span class = "keywordflow" > if< / span > (frame_header_.frame_type == KEY_FRAME) {< / div >
< div class = "line" > < a name = "l00676" > < / a > < span class = "lineno" > 676< / span >   frame_header_.refresh_frame_flags = kAllFrames;< / div >
< div class = "line" > < a name = "l00677" > < / a > < span class = "lineno" > 677< / span >   }< / div >
< div class = "line" > < a name = "l00678" > < / a > < span class = "lineno" > 678< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00679" > < / a > < span class = "lineno" > 679< / span >   }< / div >
< div class = "line" > < a name = "l00680" > < / a > < span class = "lineno" > 680< / span >   < / div >
< div class = "line" > < a name = "l00681" > < / a > < span class = "lineno" > 681< / span >   RCHECK(reader-> ReadBits(2, & frame_header_.frame_type));< / div >
< div class = "line" > < a name = "l00682" > < / a > < span class = "lineno" > 682< / span >   frame_is_intra = frame_header_.frame_type == INTRA_ONLY_FRAME ||< / div >
< div class = "line" > < a name = "l00683" > < / a > < span class = "lineno" > 683< / span >   frame_header_.frame_type == KEY_FRAME;< / div >
< div class = "line" > < a name = "l00684" > < / a > < span class = "lineno" > 684< / span >   RCHECK(reader-> ReadBits(1, & show_frame));< / div >
< div class = "line" > < a name = "l00685" > < / a > < span class = "lineno" > 685< / span >   < span class = "keywordflow" > if< / span > (show_frame & & sequence_header_.decoder_model_info_present_flag & & < / div >
< div class = "line" > < a name = "l00686" > < / a > < span class = "lineno" > 686< / span >   !sequence_header_.timing_info.equal_picture_interval) {< / div >
< div class = "line" > < a name = "l00687" > < / a > < span class = "lineno" > 687< / span >   RCHECK(SkipTemporalPointInfo(reader));< / div >
< div class = "line" > < a name = "l00688" > < / a > < span class = "lineno" > 688< / span >   }< / div >
< div class = "line" > < a name = "l00689" > < / a > < span class = "lineno" > 689< / span >   < span class = "keywordflow" > if< / span > (show_frame)< / div >
< div class = "line" > < a name = "l00690" > < / a > < span class = "lineno" > 690< / span >   showable_frame = frame_header_.frame_type != KEY_FRAME;< / div >
< div class = "line" > < a name = "l00691" > < / a > < span class = "lineno" > 691< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00692" > < / a > < span class = "lineno" > 692< / span >   RCHECK(reader-> ReadBits(1, & showable_frame));< / div >
< div class = "line" > < a name = "l00693" > < / a > < span class = "lineno" > 693< / span >   < / div >
< div class = "line" > < a name = "l00694" > < / a > < span class = "lineno" > 694< / span >   < span class = "keywordflow" > if< / span > (frame_header_.frame_type == SWITCH_FRAME ||< / div >
< div class = "line" > < a name = "l00695" > < / a > < span class = "lineno" > 695< / span >   (frame_header_.frame_type == KEY_FRAME & & show_frame)) {< / div >
< div class = "line" > < a name = "l00696" > < / a > < span class = "lineno" > 696< / span >   error_resilient_mode = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00697" > < / a > < span class = "lineno" > 697< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00698" > < / a > < span class = "lineno" > 698< / span >   RCHECK(reader-> ReadBits(1, & error_resilient_mode));< / div >
< div class = "line" > < a name = "l00699" > < / a > < span class = "lineno" > 699< / span >   }< / div >
< div class = "line" > < a name = "l00700" > < / a > < span class = "lineno" > 700< / span >   }< / div >
< div class = "line" > < a name = "l00701" > < / a > < span class = "lineno" > 701< / span >   < / div >
< div class = "line" > < a name = "l00702" > < / a > < span class = "lineno" > 702< / span >   < span class = "keywordflow" > if< / span > (frame_header_.frame_type == KEY_FRAME & & show_frame) {< / div >
< div class = "line" > < a name = "l00703" > < / a > < span class = "lineno" > 703< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < kNumRefFrames; i++) {< / div >
< div class = "line" > < a name = "l00704" > < / a > < span class = "lineno" > 704< / span >   reference_frames_[i].order_hint = 0;< / div >
< div class = "line" > < a name = "l00705" > < / a > < span class = "lineno" > 705< / span >   }< / div >
< div class = "line" > < a name = "l00706" > < / a > < span class = "lineno" > 706< / span >   }< / div >
< div class = "line" > < a name = "l00707" > < / a > < span class = "lineno" > 707< / span >   < / div >
< div class = "line" > < a name = "l00708" > < / a > < span class = "lineno" > 708< / span >   < span class = "keywordtype" > bool< / span > disable_cdf_update = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00709" > < / a > < span class = "lineno" > 709< / span >   RCHECK(reader-> ReadBits(1, & disable_cdf_update));< / div >
< div class = "line" > < a name = "l00710" > < / a > < span class = "lineno" > 710< / span >   < / div >
< div class = "line" > < a name = "l00711" > < / a > < span class = "lineno" > 711< / span >   < span class = "keywordtype" > bool< / span > allow_screen_content_tools = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00712" > < / a > < span class = "lineno" > 712< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.seq_force_screen_content_tools ==< / div >
< div class = "line" > < a name = "l00713" > < / a > < span class = "lineno" > 713< / span >   kSelectScreenContentTools) {< / div >
< div class = "line" > < a name = "l00714" > < / a > < span class = "lineno" > 714< / span >   RCHECK(reader-> ReadBits(1, & allow_screen_content_tools));< / div >
< div class = "line" > < a name = "l00715" > < / a > < span class = "lineno" > 715< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00716" > < / a > < span class = "lineno" > 716< / span >   allow_screen_content_tools =< / div >
< div class = "line" > < a name = "l00717" > < / a > < span class = "lineno" > 717< / span >   sequence_header_.seq_force_screen_content_tools != 0;< / div >
< div class = "line" > < a name = "l00718" > < / a > < span class = "lineno" > 718< / span >   }< / div >
< div class = "line" > < a name = "l00719" > < / a > < span class = "lineno" > 719< / span >   < / div >
< div class = "line" > < a name = "l00720" > < / a > < span class = "lineno" > 720< / span >   < span class = "keywordtype" > int< / span > force_integer_mv = 0;< / div >
< div class = "line" > < a name = "l00721" > < / a > < span class = "lineno" > 721< / span >   < span class = "keywordflow" > if< / span > (allow_screen_content_tools) {< / div >
< div class = "line" > < a name = "l00722" > < / a > < span class = "lineno" > 722< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.seq_force_integer_mv == kSelectIntegerMv)< / div >
< div class = "line" > < a name = "l00723" > < / a > < span class = "lineno" > 723< / span >   RCHECK(reader-> ReadBits(1, & force_integer_mv));< / div >
< div class = "line" > < a name = "l00724" > < / a > < span class = "lineno" > 724< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00725" > < / a > < span class = "lineno" > 725< / span >   force_integer_mv = sequence_header_.seq_force_integer_mv;< / div >
< div class = "line" > < a name = "l00726" > < / a > < span class = "lineno" > 726< / span >   }< / div >
< div class = "line" > < a name = "l00727" > < / a > < span class = "lineno" > 727< / span >   < span class = "keywordflow" > if< / span > (frame_is_intra)< / div >
< div class = "line" > < a name = "l00728" > < / a > < span class = "lineno" > 728< / span >   force_integer_mv = 1;< / div >
< div class = "line" > < a name = "l00729" > < / a > < span class = "lineno" > 729< / span >   < / div >
< div class = "line" > < a name = "l00730" > < / a > < span class = "lineno" > 730< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.frame_id_numbers_present_flag) {< / div >
< div class = "line" > < a name = "l00731" > < / a > < span class = "lineno" > 731< / span >   < span class = "comment" > // Skip current_frame_id.< / span > < / div >
< div class = "line" > < a name = "l00732" > < / a > < span class = "lineno" > 732< / span >   RCHECK(reader-> SkipBits(id_len));< / div >
< div class = "line" > < a name = "l00733" > < / a > < span class = "lineno" > 733< / span >   }< / div >
< div class = "line" > < a name = "l00734" > < / a > < span class = "lineno" > 734< / span >   < / div >
< div class = "line" > < a name = "l00735" > < / a > < span class = "lineno" > 735< / span >   < span class = "keywordtype" > bool< / span > frame_size_override_flag = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00736" > < / a > < span class = "lineno" > 736< / span >   < span class = "keywordflow" > if< / span > (frame_header_.frame_type == SWITCH_FRAME)< / div >
< div class = "line" > < a name = "l00737" > < / a > < span class = "lineno" > 737< / span >   frame_size_override_flag = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00738" > < / a > < span class = "lineno" > 738< / span >   < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (sequence_header_.reduced_still_picture_header)< / div >
< div class = "line" > < a name = "l00739" > < / a > < span class = "lineno" > 739< / span >   frame_size_override_flag = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00740" > < / a > < span class = "lineno" > 740< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00741" > < / a > < span class = "lineno" > 741< / span >   RCHECK(reader-> ReadBits(1, & frame_size_override_flag));< / div >
< div class = "line" > < a name = "l00742" > < / a > < span class = "lineno" > 742< / span >   < / div >
< div class = "line" > < a name = "l00743" > < / a > < span class = "lineno" > 743< / span >   RCHECK(reader-> ReadBits(sequence_header_.order_hint_bits,< / div >
< div class = "line" > < a name = "l00744" > < / a > < span class = "lineno" > 744< / span >   & frame_header_.order_hint));< / div >
< div class = "line" > < a name = "l00745" > < / a > < span class = "lineno" > 745< / span >   < span class = "keywordtype" > int< / span > primary_ref_frame = 0;< / div >
< div class = "line" > < a name = "l00746" > < / a > < span class = "lineno" > 746< / span >   < span class = "keywordflow" > if< / span > (frame_is_intra || error_resilient_mode) {< / div >
< div class = "line" > < a name = "l00747" > < / a > < span class = "lineno" > 747< / span >   primary_ref_frame = kPrimaryRefNone;< / div >
< div class = "line" > < a name = "l00748" > < / a > < span class = "lineno" > 748< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00749" > < / a > < span class = "lineno" > 749< / span >   RCHECK(reader-> ReadBits(3, & primary_ref_frame));< / div >
< div class = "line" > < a name = "l00750" > < / a > < span class = "lineno" > 750< / span >   }< / div >
< div class = "line" > < a name = "l00751" > < / a > < span class = "lineno" > 751< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.decoder_model_info_present_flag) {< / div >
< div class = "line" > < a name = "l00752" > < / a > < span class = "lineno" > 752< / span >   < span class = "keywordtype" > bool< / span > buffer_removal_time_present_flag = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00753" > < / a > < span class = "lineno" > 753< / span >   RCHECK(reader-> ReadBits(1, & buffer_removal_time_present_flag));< / div >
< div class = "line" > < a name = "l00754" > < / a > < span class = "lineno" > 754< / span >   < span class = "keywordflow" > if< / span > (buffer_removal_time_present_flag) {< / div >
< div class = "line" > < a name = "l00755" > < / a > < span class = "lineno" > 755< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > op_num = 0;< / div >
< div class = "line" > < a name = "l00756" > < / a > < span class = "lineno" > 756< / span >   op_num < = sequence_header_.operating_points_cnt_minus_1; op_num++) {< / div >
< div class = "line" > < a name = "l00757" > < / a > < span class = "lineno" > 757< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.decoder_model_present_for_this_op[op_num]) {< / div >
< div class = "line" > < a name = "l00758" > < / a > < span class = "lineno" > 758< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > op_pt_idc = sequence_header_.operating_point_idc[op_num];< / div >
< div class = "line" > < a name = "l00759" > < / a > < span class = "lineno" > 759< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > in_temporal_layer =< / div >
< div class = "line" > < a name = "l00760" > < / a > < span class = "lineno" > 760< / span >   (op_pt_idc > > obu_header.extension_header.temporal_id) & 1;< / div >
< div class = "line" > < a name = "l00761" > < / a > < span class = "lineno" > 761< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > in_spatial_layer =< / div >
< div class = "line" > < a name = "l00762" > < / a > < span class = "lineno" > 762< / span >   (op_pt_idc > > (obu_header.extension_header.spatial_id + 8)) & 1;< / div >
< div class = "line" > < a name = "l00763" > < / a > < span class = "lineno" > 763< / span >   < span class = "keywordflow" > if< / span > (op_pt_idc == 0 || (in_temporal_layer & & in_spatial_layer)) {< / div >
< div class = "line" > < a name = "l00764" > < / a > < span class = "lineno" > 764< / span >   < span class = "comment" > // Skip buffer_removal_time[ opNum ].< / span > < / div >
< div class = "line" > < a name = "l00765" > < / a > < span class = "lineno" > 765< / span >   RCHECK(reader-> SkipBits(sequence_header_.decoder_model_info< / div >
< div class = "line" > < a name = "l00766" > < / a > < span class = "lineno" > 766< / span >   .buffer_removal_time_length_minus_1 +< / div >
< div class = "line" > < a name = "l00767" > < / a > < span class = "lineno" > 767< / span >   1));< / div >
< div class = "line" > < a name = "l00768" > < / a > < span class = "lineno" > 768< / span >   }< / div >
< div class = "line" > < a name = "l00769" > < / a > < span class = "lineno" > 769< / span >   }< / div >
< div class = "line" > < a name = "l00770" > < / a > < span class = "lineno" > 770< / span >   }< / div >
< div class = "line" > < a name = "l00771" > < / a > < span class = "lineno" > 771< / span >   }< / div >
< div class = "line" > < a name = "l00772" > < / a > < span class = "lineno" > 772< / span >   }< / div >
< div class = "line" > < a name = "l00773" > < / a > < span class = "lineno" > 773< / span >   < / div >
< div class = "line" > < a name = "l00774" > < / a > < span class = "lineno" > 774< / span >   < span class = "keywordtype" > bool< / span > allow_high_precision_mv = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00775" > < / a > < span class = "lineno" > 775< / span >   < span class = "keywordtype" > bool< / span > allow_intrabc = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00776" > < / a > < span class = "lineno" > 776< / span >   < / div >
< div class = "line" > < a name = "l00777" > < / a > < span class = "lineno" > 777< / span >   < span class = "keywordflow" > if< / span > (frame_header_.frame_type == SWITCH_FRAME ||< / div >
< div class = "line" > < a name = "l00778" > < / a > < span class = "lineno" > 778< / span >   (frame_header_.frame_type == KEY_FRAME & & show_frame)) {< / div >
< div class = "line" > < a name = "l00779" > < / a > < span class = "lineno" > 779< / span >   frame_header_.refresh_frame_flags = kAllFrames;< / div >
< div class = "line" > < a name = "l00780" > < / a > < span class = "lineno" > 780< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00781" > < / a > < span class = "lineno" > 781< / span >   RCHECK(reader-> ReadBits(8, & frame_header_.refresh_frame_flags));< / div >
< div class = "line" > < a name = "l00782" > < / a > < span class = "lineno" > 782< / span >   }< / div >
< div class = "line" > < a name = "l00783" > < / a > < span class = "lineno" > 783< / span >   < span class = "keywordflow" > if< / span > (!frame_is_intra || frame_header_.refresh_frame_flags != kAllFrames) {< / div >
< div class = "line" > < a name = "l00784" > < / a > < span class = "lineno" > 784< / span >   < span class = "keywordflow" > if< / span > (error_resilient_mode & & sequence_header_.enable_order_hint) {< / div >
< div class = "line" > < a name = "l00785" > < / a > < span class = "lineno" > 785< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < kNumRefFrames; i++) {< / div >
< div class = "line" > < a name = "l00786" > < / a > < span class = "lineno" > 786< / span >   < span class = "comment" > // Skip ref_order_hint[ i ].< / span > < / div >
< div class = "line" > < a name = "l00787" > < / a > < span class = "lineno" > 787< / span >   RCHECK(reader-> SkipBits(sequence_header_.order_hint_bits));< / div >
< div class = "line" > < a name = "l00788" > < / a > < span class = "lineno" > 788< / span >   }< / div >
< div class = "line" > < a name = "l00789" > < / a > < span class = "lineno" > 789< / span >   }< / div >
< div class = "line" > < a name = "l00790" > < / a > < span class = "lineno" > 790< / span >   }< / div >
< div class = "line" > < a name = "l00791" > < / a > < span class = "lineno" > 791< / span >   < / div >
< div class = "line" > < a name = "l00792" > < / a > < span class = "lineno" > 792< / span >   < span class = "keywordflow" > if< / span > (frame_is_intra) {< / div >
< div class = "line" > < a name = "l00793" > < / a > < span class = "lineno" > 793< / span >   RCHECK(ParseFrameSize(frame_size_override_flag, reader));< / div >
< div class = "line" > < a name = "l00794" > < / a > < span class = "lineno" > 794< / span >   RCHECK(ParseRenderSize(reader));< / div >
< div class = "line" > < a name = "l00795" > < / a > < span class = "lineno" > 795< / span >   < span class = "keywordflow" > if< / span > (allow_screen_content_tools & & < / div >
< div class = "line" > < a name = "l00796" > < / a > < span class = "lineno" > 796< / span >   frame_header_.upscaled_width == frame_header_.frame_width)< / div >
< div class = "line" > < a name = "l00797" > < / a > < span class = "lineno" > 797< / span >   RCHECK(reader-> ReadBits(1, & allow_intrabc));< / div >
< div class = "line" > < a name = "l00798" > < / a > < span class = "lineno" > 798< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00799" > < / a > < span class = "lineno" > 799< / span >   < span class = "keywordtype" > bool< / span > frame_refs_short_signaling = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00800" > < / a > < span class = "lineno" > 800< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.enable_order_hint) {< / div >
< div class = "line" > < a name = "l00801" > < / a > < span class = "lineno" > 801< / span >   RCHECK(reader-> ReadBits(1, & frame_refs_short_signaling));< / div >
< div class = "line" > < a name = "l00802" > < / a > < span class = "lineno" > 802< / span >   < span class = "keywordflow" > if< / span > (frame_refs_short_signaling) {< / div >
< div class = "line" > < a name = "l00803" > < / a > < span class = "lineno" > 803< / span >   < span class = "keywordtype" > int< / span > last_frame_idx = 0;< / div >
< div class = "line" > < a name = "l00804" > < / a > < span class = "lineno" > 804< / span >   RCHECK(reader-> ReadBits(3, & last_frame_idx));< / div >
< div class = "line" > < a name = "l00805" > < / a > < span class = "lineno" > 805< / span >   < span class = "keywordtype" > int< / span > gold_frame_idx = 0;< / div >
< div class = "line" > < a name = "l00806" > < / a > < span class = "lineno" > 806< / span >   RCHECK(reader-> ReadBits(3, & gold_frame_idx));< / div >
< div class = "line" > < a name = "l00807" > < / a > < span class = "lineno" > 807< / span >   RCHECK(SetFrameRefs(last_frame_idx, gold_frame_idx));< / div >
< div class = "line" > < a name = "l00808" > < / a > < span class = "lineno" > 808< / span >   }< / div >
< div class = "line" > < a name = "l00809" > < / a > < span class = "lineno" > 809< / span >   }< / div >
< div class = "line" > < a name = "l00810" > < / a > < span class = "lineno" > 810< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < kRefsPerFrame; i++) {< / div >
< div class = "line" > < a name = "l00811" > < / a > < span class = "lineno" > 811< / span >   < span class = "keywordflow" > if< / span > (!frame_refs_short_signaling)< / div >
< div class = "line" > < a name = "l00812" > < / a > < span class = "lineno" > 812< / span >   RCHECK(reader-> ReadBits(3, & frame_header_.ref_frame_idx[i]));< / div >
< div class = "line" > < a name = "l00813" > < / a > < span class = "lineno" > 813< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.frame_id_numbers_present_flag) {< / div >
< div class = "line" > < a name = "l00814" > < / a > < span class = "lineno" > 814< / span >   < span class = "comment" > // Skip delta_frame_id_minus_1.< / span > < / div >
< div class = "line" > < a name = "l00815" > < / a > < span class = "lineno" > 815< / span >   RCHECK(reader-> SkipBits(sequence_header_.delta_frame_id_length_minus_2 +< / div >
< div class = "line" > < a name = "l00816" > < / a > < span class = "lineno" > 816< / span >   2));< / div >
< div class = "line" > < a name = "l00817" > < / a > < span class = "lineno" > 817< / span >   }< / div >
< div class = "line" > < a name = "l00818" > < / a > < span class = "lineno" > 818< / span >   }< / div >
< div class = "line" > < a name = "l00819" > < / a > < span class = "lineno" > 819< / span >   < span class = "keywordflow" > if< / span > (frame_size_override_flag & & !error_resilient_mode) {< / div >
< div class = "line" > < a name = "l00820" > < / a > < span class = "lineno" > 820< / span >   RCHECK(ParseFrameSizeWithRefs(frame_size_override_flag, reader));< / div >
< div class = "line" > < a name = "l00821" > < / a > < span class = "lineno" > 821< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00822" > < / a > < span class = "lineno" > 822< / span >   RCHECK(ParseFrameSize(frame_size_override_flag, reader));< / div >
< div class = "line" > < a name = "l00823" > < / a > < span class = "lineno" > 823< / span >   RCHECK(ParseRenderSize(reader));< / div >
< div class = "line" > < a name = "l00824" > < / a > < span class = "lineno" > 824< / span >   }< / div >
< div class = "line" > < a name = "l00825" > < / a > < span class = "lineno" > 825< / span >   < / div >
< div class = "line" > < a name = "l00826" > < / a > < span class = "lineno" > 826< / span >   < span class = "keywordflow" > if< / span > (force_integer_mv)< / div >
< div class = "line" > < a name = "l00827" > < / a > < span class = "lineno" > 827< / span >   allow_high_precision_mv = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00828" > < / a > < span class = "lineno" > 828< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00829" > < / a > < span class = "lineno" > 829< / span >   RCHECK(reader-> ReadBits(1, & allow_high_precision_mv));< / div >
< div class = "line" > < a name = "l00830" > < / a > < span class = "lineno" > 830< / span >   < / div >
< div class = "line" > < a name = "l00831" > < / a > < span class = "lineno" > 831< / span >   RCHECK(SkipInterpolationFilter(reader));< / div >
< div class = "line" > < a name = "l00832" > < / a > < span class = "lineno" > 832< / span >   < span class = "comment" > // Skip is_motion_mode_switchable.< / span > < / div >
< div class = "line" > < a name = "l00833" > < / a > < span class = "lineno" > 833< / span >   RCHECK(reader-> SkipBits(1));< / div >
< div class = "line" > < a name = "l00834" > < / a > < span class = "lineno" > 834< / span >   < span class = "keywordflow" > if< / span > (!error_resilient_mode & & sequence_header_.enable_ref_frame_mvs) {< / div >
< div class = "line" > < a name = "l00835" > < / a > < span class = "lineno" > 835< / span >   < span class = "comment" > // Skip use_ref_frame_mvs.< / span > < / div >
< div class = "line" > < a name = "l00836" > < / a > < span class = "lineno" > 836< / span >   RCHECK(reader-> SkipBits(1));< / div >
< div class = "line" > < a name = "l00837" > < / a > < span class = "lineno" > 837< / span >   }< / div >
< div class = "line" > < a name = "l00838" > < / a > < span class = "lineno" > 838< / span >   }< / div >
< div class = "line" > < a name = "l00839" > < / a > < span class = "lineno" > 839< / span >   < / div >
< div class = "line" > < a name = "l00840" > < / a > < span class = "lineno" > 840< / span >   < span class = "keywordflow" > if< / span > (!sequence_header_.reduced_still_picture_header & & !disable_cdf_update) {< / div >
< div class = "line" > < a name = "l00841" > < / a > < span class = "lineno" > 841< / span >   < span class = "comment" > // Skip disable_frame_end_update_cdf.< / span > < / div >
< div class = "line" > < a name = "l00842" > < / a > < span class = "lineno" > 842< / span >   RCHECK(reader-> SkipBits(1));< / div >
< div class = "line" > < a name = "l00843" > < / a > < span class = "lineno" > 843< / span >   }< / div >
< div class = "line" > < a name = "l00844" > < / a > < span class = "lineno" > 844< / span >   < / div >
< div class = "line" > < a name = "l00845" > < / a > < span class = "lineno" > 845< / span >   RCHECK(ParseTileInfo(reader));< / div >
< div class = "line" > < a name = "l00846" > < / a > < span class = "lineno" > 846< / span >   RCHECK(ParseQuantizationParams(reader));< / div >
< div class = "line" > < a name = "l00847" > < / a > < span class = "lineno" > 847< / span >   RCHECK(ParseSegmentationParams(primary_ref_frame, reader));< / div >
< div class = "line" > < a name = "l00848" > < / a > < span class = "lineno" > 848< / span >   < / div >
< div class = "line" > < a name = "l00849" > < / a > < span class = "lineno" > 849< / span >   < span class = "keywordtype" > bool< / span > delta_q_present = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00850" > < / a > < span class = "lineno" > 850< / span >   RCHECK(SkipDeltaQParams(reader, & delta_q_present));< / div >
< div class = "line" > < a name = "l00851" > < / a > < span class = "lineno" > 851< / span >   RCHECK(SkipDeltaLfParams(delta_q_present, allow_intrabc, reader));< / div >
< div class = "line" > < a name = "l00852" > < / a > < span class = "lineno" > 852< / span >   < / div >
< div class = "line" > < a name = "l00853" > < / a > < span class = "lineno" > 853< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & quantization_params = frame_header_.quantization_params;< / div >
< div class = "line" > < a name = "l00854" > < / a > < span class = "lineno" > 854< / span >   < span class = "keywordtype" > bool< / span > coded_lossless = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00855" > < / a > < span class = "lineno" > 855< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > segment_id = 0; segment_id < kMaxSegments; segment_id++) {< / div >
< div class = "line" > < a name = "l00856" > < / a > < span class = "lineno" > 856< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > qindex = GetQIndex(< span class = "keyword" > true< / span > , segment_id);< / div >
< div class = "line" > < a name = "l00857" > < / a > < span class = "lineno" > 857< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > lossless = qindex == 0 & & quantization_params.delta_qydc == 0 & & < / div >
< div class = "line" > < a name = "l00858" > < / a > < span class = "lineno" > 858< / span >   quantization_params.delta_quac == 0 & & < / div >
< div class = "line" > < a name = "l00859" > < / a > < span class = "lineno" > 859< / span >   quantization_params.delta_qudc == 0 & & < / div >
< div class = "line" > < a name = "l00860" > < / a > < span class = "lineno" > 860< / span >   quantization_params.delta_qvac == 0 & & < / div >
< div class = "line" > < a name = "l00861" > < / a > < span class = "lineno" > 861< / span >   quantization_params.delta_qvdc == 0;< / div >
< div class = "line" > < a name = "l00862" > < / a > < span class = "lineno" > 862< / span >   < span class = "keywordflow" > if< / span > (!lossless)< / div >
< div class = "line" > < a name = "l00863" > < / a > < span class = "lineno" > 863< / span >   coded_lossless = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00864" > < / a > < span class = "lineno" > 864< / span >   }< / div >
< div class = "line" > < a name = "l00865" > < / a > < span class = "lineno" > 865< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > all_lossless = coded_lossless & & (frame_header_.frame_width ==< / div >
< div class = "line" > < a name = "l00866" > < / a > < span class = "lineno" > 866< / span >   frame_header_.upscaled_width);< / div >
< div class = "line" > < a name = "l00867" > < / a > < span class = "lineno" > 867< / span >   < / div >
< div class = "line" > < a name = "l00868" > < / a > < span class = "lineno" > 868< / span >   RCHECK(ParseLoopFilterParams(coded_lossless, allow_intrabc, reader));< / div >
< div class = "line" > < a name = "l00869" > < / a > < span class = "lineno" > 869< / span >   RCHECK(ParseCdefParams(coded_lossless, allow_intrabc, reader));< / div >
< div class = "line" > < a name = "l00870" > < / a > < span class = "lineno" > 870< / span >   RCHECK(ParseLrParams(all_lossless, allow_intrabc, reader));< / div >
< div class = "line" > < a name = "l00871" > < / a > < span class = "lineno" > 871< / span >   RCHECK(SkipTxMode(coded_lossless, reader));< / div >
< div class = "line" > < a name = "l00872" > < / a > < span class = "lineno" > 872< / span >   < span class = "keywordtype" > bool< / span > reference_select = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00873" > < / a > < span class = "lineno" > 873< / span >   RCHECK(ParseFrameReferenceMode(frame_is_intra, reader, & reference_select));< / div >
< div class = "line" > < a name = "l00874" > < / a > < span class = "lineno" > 874< / span >   RCHECK(SkipSkipModeParams(frame_is_intra, reference_select, reader));< / div >
< div class = "line" > < a name = "l00875" > < / a > < span class = "lineno" > 875< / span >   < / div >
< div class = "line" > < a name = "l00876" > < / a > < span class = "lineno" > 876< / span >   < span class = "keywordtype" > bool< / span > allow_warped_motion = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00877" > < / a > < span class = "lineno" > 877< / span >   < span class = "keywordflow" > if< / span > (frame_is_intra || error_resilient_mode ||< / div >
< div class = "line" > < a name = "l00878" > < / a > < span class = "lineno" > 878< / span >   !sequence_header_.enable_warped_motion) {< / div >
< div class = "line" > < a name = "l00879" > < / a > < span class = "lineno" > 879< / span >   allow_warped_motion = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00880" > < / a > < span class = "lineno" > 880< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00881" > < / a > < span class = "lineno" > 881< / span >   RCHECK(reader-> ReadBits(1, & allow_warped_motion));< / div >
< div class = "line" > < a name = "l00882" > < / a > < span class = "lineno" > 882< / span >   }< / div >
< div class = "line" > < a name = "l00883" > < / a > < span class = "lineno" > 883< / span >   < span class = "comment" > // Skip reduced_tx_set.< / span > < / div >
< div class = "line" > < a name = "l00884" > < / a > < span class = "lineno" > 884< / span >   RCHECK(reader-> SkipBits(1));< / div >
< div class = "line" > < a name = "l00885" > < / a > < span class = "lineno" > 885< / span >   < / div >
< div class = "line" > < a name = "l00886" > < / a > < span class = "lineno" > 886< / span >   RCHECK(< / div >
< div class = "line" > < a name = "l00887" > < / a > < span class = "lineno" > 887< / span >   SkipGlobalMotionParams(frame_is_intra, allow_high_precision_mv, reader));< / div >
< div class = "line" > < a name = "l00888" > < / a > < span class = "lineno" > 888< / span >   RCHECK(SkipFilmGrainParams(show_frame, showable_frame, reader));< / div >
< div class = "line" > < a name = "l00889" > < / a > < span class = "lineno" > 889< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00890" > < / a > < span class = "lineno" > 890< / span >   }< / div >
< div class = "line" > < a name = "l00891" > < / a > < span class = "lineno" > 891< / span >   < / div >
< div class = "line" > < a name = "l00892" > < / a > < span class = "lineno" > 892< / span >   < span class = "comment" > // 5.9.3. Get relative distance function.< / span > < / div >
< div class = "line" > < a name = "l00893" > < / a > < span class = "lineno" > 893< / span >   < span class = "keywordtype" > int< / span > AV1Parser::GetRelativeDist(< span class = "keywordtype" > int< / span > a, < span class = "keywordtype" > int< / span > b) {< / div >
< div class = "line" > < a name = "l00894" > < / a > < span class = "lineno" > 894< / span >   < span class = "keywordflow" > if< / span > (!sequence_header_.enable_order_hint)< / div >
< div class = "line" > < a name = "l00895" > < / a > < span class = "lineno" > 895< / span >   < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < a name = "l00896" > < / a > < span class = "lineno" > 896< / span >   < span class = "keywordtype" > int< / span > diff = a - b;< / div >
< div class = "line" > < a name = "l00897" > < / a > < span class = "lineno" > 897< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > m = 1 < < (sequence_header_.order_hint_bits - 1);< / div >
< div class = "line" > < a name = "l00898" > < / a > < span class = "lineno" > 898< / span >   diff = (diff & (m - 1)) - (diff & m);< / div >
< div class = "line" > < a name = "l00899" > < / a > < span class = "lineno" > 899< / span >   < span class = "keywordflow" > return< / span > diff;< / div >
< div class = "line" > < a name = "l00900" > < / a > < span class = "lineno" > 900< / span >   }< / div >
< div class = "line" > < a name = "l00901" > < / a > < span class = "lineno" > 901< / span >   < / div >
< div class = "line" > < a name = "l00902" > < / a > < span class = "lineno" > 902< / span >   < span class = "comment" > // 5.9.5. Frame size syntax.< / span > < / div >
< div class = "line" > < a name = "l00903" > < / a > < span class = "lineno" > 903< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseFrameSize(< span class = "keywordtype" > bool< / span > frame_size_override_flag,< / div >
< div class = "line" > < a name = "l00904" > < / a > < span class = "lineno" > 904< / span >   BitReader* reader) {< / div >
< div class = "line" > < a name = "l00905" > < / a > < span class = "lineno" > 905< / span >   < span class = "keywordflow" > if< / span > (frame_size_override_flag) {< / div >
< div class = "line" > < a name = "l00906" > < / a > < span class = "lineno" > 906< / span >   < span class = "keywordtype" > int< / span > frame_width_minus_1 = 0;< / div >
< div class = "line" > < a name = "l00907" > < / a > < span class = "lineno" > 907< / span >   RCHECK(reader-> ReadBits(sequence_header_.frame_width_bits_minus_1 + 1,< / div >
< div class = "line" > < a name = "l00908" > < / a > < span class = "lineno" > 908< / span >   & frame_width_minus_1));< / div >
< div class = "line" > < a name = "l00909" > < / a > < span class = "lineno" > 909< / span >   < span class = "keywordtype" > int< / span > frame_height_minus_1 = 0;< / div >
< div class = "line" > < a name = "l00910" > < / a > < span class = "lineno" > 910< / span >   RCHECK(reader-> ReadBits(sequence_header_.frame_height_bits_minus_1 + 1,< / div >
< div class = "line" > < a name = "l00911" > < / a > < span class = "lineno" > 911< / span >   & frame_height_minus_1));< / div >
< div class = "line" > < a name = "l00912" > < / a > < span class = "lineno" > 912< / span >   frame_header_.frame_width = frame_width_minus_1 + 1;< / div >
< div class = "line" > < a name = "l00913" > < / a > < span class = "lineno" > 913< / span >   frame_header_.frame_height = frame_height_minus_1 + 1;< / div >
< div class = "line" > < a name = "l00914" > < / a > < span class = "lineno" > 914< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00915" > < / a > < span class = "lineno" > 915< / span >   frame_header_.frame_width = sequence_header_.max_frame_width_minus_1 + 1;< / div >
< div class = "line" > < a name = "l00916" > < / a > < span class = "lineno" > 916< / span >   frame_header_.frame_height = sequence_header_.max_frame_height_minus_1 + 1;< / div >
< div class = "line" > < a name = "l00917" > < / a > < span class = "lineno" > 917< / span >   }< / div >
< div class = "line" > < a name = "l00918" > < / a > < span class = "lineno" > 918< / span >   RCHECK(ParseSuperresParams(reader));< / div >
< div class = "line" > < a name = "l00919" > < / a > < span class = "lineno" > 919< / span >   ComputeImageSize();< / div >
< div class = "line" > < a name = "l00920" > < / a > < span class = "lineno" > 920< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00921" > < / a > < span class = "lineno" > 921< / span >   }< / div >
< div class = "line" > < a name = "l00922" > < / a > < span class = "lineno" > 922< / span >   < / div >
< div class = "line" > < a name = "l00923" > < / a > < span class = "lineno" > 923< / span >   < span class = "comment" > // 5.9.6. Render size syntax.< / span > < / div >
< div class = "line" > < a name = "l00924" > < / a > < span class = "lineno" > 924< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseRenderSize(BitReader* reader) {< / div >
< div class = "line" > < a name = "l00925" > < / a > < span class = "lineno" > 925< / span >   < span class = "keywordtype" > bool< / span > render_and_frame_size_different = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00926" > < / a > < span class = "lineno" > 926< / span >   RCHECK(reader-> ReadBits(1, & render_and_frame_size_different));< / div >
< div class = "line" > < a name = "l00927" > < / a > < span class = "lineno" > 927< / span >   < span class = "keywordflow" > if< / span > (render_and_frame_size_different) {< / div >
< div class = "line" > < a name = "l00928" > < / a > < span class = "lineno" > 928< / span >   < span class = "keywordtype" > int< / span > render_width_minus_1 = 0;< / div >
< div class = "line" > < a name = "l00929" > < / a > < span class = "lineno" > 929< / span >   RCHECK(reader-> ReadBits(16, & render_width_minus_1));< / div >
< div class = "line" > < a name = "l00930" > < / a > < span class = "lineno" > 930< / span >   < span class = "keywordtype" > int< / span > render_height_minus_1 = 0;< / div >
< div class = "line" > < a name = "l00931" > < / a > < span class = "lineno" > 931< / span >   RCHECK(reader-> ReadBits(16, & render_height_minus_1));< / div >
< div class = "line" > < a name = "l00932" > < / a > < span class = "lineno" > 932< / span >   frame_header_.render_width = render_width_minus_1 + 1;< / div >
< div class = "line" > < a name = "l00933" > < / a > < span class = "lineno" > 933< / span >   frame_header_.render_height = render_height_minus_1 + 1;< / div >
< div class = "line" > < a name = "l00934" > < / a > < span class = "lineno" > 934< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00935" > < / a > < span class = "lineno" > 935< / span >   frame_header_.render_width = frame_header_.upscaled_width;< / div >
< div class = "line" > < a name = "l00936" > < / a > < span class = "lineno" > 936< / span >   frame_header_.render_height = frame_header_.frame_height;< / div >
< div class = "line" > < a name = "l00937" > < / a > < span class = "lineno" > 937< / span >   }< / div >
< div class = "line" > < a name = "l00938" > < / a > < span class = "lineno" > 938< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00939" > < / a > < span class = "lineno" > 939< / span >   }< / div >
< div class = "line" > < a name = "l00940" > < / a > < span class = "lineno" > 940< / span >   < / div >
< div class = "line" > < a name = "l00941" > < / a > < span class = "lineno" > 941< / span >   < span class = "comment" > // 5.9.7. Frame size with refs syntax.< / span > < / div >
< div class = "line" > < a name = "l00942" > < / a > < span class = "lineno" > 942< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseFrameSizeWithRefs(< span class = "keywordtype" > bool< / span > frame_size_override_flag,< / div >
< div class = "line" > < a name = "l00943" > < / a > < span class = "lineno" > 943< / span >   BitReader* reader) {< / div >
< div class = "line" > < a name = "l00944" > < / a > < span class = "lineno" > 944< / span >   < span class = "keywordtype" > bool< / span > found_ref = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00945" > < / a > < span class = "lineno" > 945< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < kRefsPerFrame; i++) {< / div >
< div class = "line" > < a name = "l00946" > < / a > < span class = "lineno" > 946< / span >   RCHECK(reader-> ReadBits(1, & found_ref));< / div >
< div class = "line" > < a name = "l00947" > < / a > < span class = "lineno" > 947< / span >   < span class = "keywordflow" > if< / span > (found_ref) {< / div >
< div class = "line" > < a name = "l00948" > < / a > < span class = "lineno" > 948< / span >   < span class = "keyword" > const< / span > ReferenceFrame& reference_frame =< / div >
< div class = "line" > < a name = "l00949" > < / a > < span class = "lineno" > 949< / span >   reference_frames_[frame_header_.ref_frame_idx[i]];< / div >
< div class = "line" > < a name = "l00950" > < / a > < span class = "lineno" > 950< / span >   frame_header_.upscaled_width = reference_frame.upscaled_width;< / div >
< div class = "line" > < a name = "l00951" > < / a > < span class = "lineno" > 951< / span >   frame_header_.frame_width = frame_header_.upscaled_width;< / div >
< div class = "line" > < a name = "l00952" > < / a > < span class = "lineno" > 952< / span >   frame_header_.frame_height = reference_frame.frame_height;< / div >
< div class = "line" > < a name = "l00953" > < / a > < span class = "lineno" > 953< / span >   frame_header_.render_width = reference_frame.render_width;< / div >
< div class = "line" > < a name = "l00954" > < / a > < span class = "lineno" > 954< / span >   frame_header_.render_height = reference_frame.render_height;< / div >
< div class = "line" > < a name = "l00955" > < / a > < span class = "lineno" > 955< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00956" > < / a > < span class = "lineno" > 956< / span >   }< / div >
< div class = "line" > < a name = "l00957" > < / a > < span class = "lineno" > 957< / span >   }< / div >
< div class = "line" > < a name = "l00958" > < / a > < span class = "lineno" > 958< / span >   < span class = "keywordflow" > if< / span > (!found_ref) {< / div >
< div class = "line" > < a name = "l00959" > < / a > < span class = "lineno" > 959< / span >   RCHECK(ParseFrameSize(frame_size_override_flag, reader));< / div >
< div class = "line" > < a name = "l00960" > < / a > < span class = "lineno" > 960< / span >   RCHECK(ParseRenderSize(reader));< / div >
< div class = "line" > < a name = "l00961" > < / a > < span class = "lineno" > 961< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00962" > < / a > < span class = "lineno" > 962< / span >   RCHECK(ParseSuperresParams(reader));< / div >
< div class = "line" > < a name = "l00963" > < / a > < span class = "lineno" > 963< / span >   ComputeImageSize();< / div >
< div class = "line" > < a name = "l00964" > < / a > < span class = "lineno" > 964< / span >   }< / div >
< div class = "line" > < a name = "l00965" > < / a > < span class = "lineno" > 965< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00966" > < / a > < span class = "lineno" > 966< / span >   }< / div >
< div class = "line" > < a name = "l00967" > < / a > < span class = "lineno" > 967< / span >   < / div >
< div class = "line" > < a name = "l00968" > < / a > < span class = "lineno" > 968< / span >   < span class = "comment" > // 5.9.8. Superres params syntax.< / span > < / div >
< div class = "line" > < a name = "l00969" > < / a > < span class = "lineno" > 969< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseSuperresParams(BitReader* reader) {< / div >
< div class = "line" > < a name = "l00970" > < / a > < span class = "lineno" > 970< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kSuperresNum = 8;< / div >
< div class = "line" > < a name = "l00971" > < / a > < span class = "lineno" > 971< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kSuperresDenomMin = 9;< / div >
< div class = "line" > < a name = "l00972" > < / a > < span class = "lineno" > 972< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kSuperresDenomBits = 3;< / div >
< div class = "line" > < a name = "l00973" > < / a > < span class = "lineno" > 973< / span >   < / div >
< div class = "line" > < a name = "l00974" > < / a > < span class = "lineno" > 974< / span >   < span class = "keywordtype" > bool< / span > use_superres = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00975" > < / a > < span class = "lineno" > 975< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.enable_superres)< / div >
< div class = "line" > < a name = "l00976" > < / a > < span class = "lineno" > 976< / span >   RCHECK(reader-> ReadBits(1, & use_superres));< / div >
< div class = "line" > < a name = "l00977" > < / a > < span class = "lineno" > 977< / span >   < / div >
< div class = "line" > < a name = "l00978" > < / a > < span class = "lineno" > 978< / span >   < span class = "keywordtype" > int< / span > superres_denom = 0;< / div >
< div class = "line" > < a name = "l00979" > < / a > < span class = "lineno" > 979< / span >   < span class = "keywordflow" > if< / span > (use_superres) {< / div >
< div class = "line" > < a name = "l00980" > < / a > < span class = "lineno" > 980< / span >   < span class = "keywordtype" > int< / span > coded_denom = 0;< / div >
< div class = "line" > < a name = "l00981" > < / a > < span class = "lineno" > 981< / span >   RCHECK(reader-> ReadBits(kSuperresDenomBits, & coded_denom));< / div >
< div class = "line" > < a name = "l00982" > < / a > < span class = "lineno" > 982< / span >   superres_denom = coded_denom + kSuperresDenomMin;< / div >
< div class = "line" > < a name = "l00983" > < / a > < span class = "lineno" > 983< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00984" > < / a > < span class = "lineno" > 984< / span >   superres_denom = kSuperresNum;< / div >
< div class = "line" > < a name = "l00985" > < / a > < span class = "lineno" > 985< / span >   }< / div >
< div class = "line" > < a name = "l00986" > < / a > < span class = "lineno" > 986< / span >   < / div >
< div class = "line" > < a name = "l00987" > < / a > < span class = "lineno" > 987< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > upscaled_width = frame_header_.frame_width;< / div >
< div class = "line" > < a name = "l00988" > < / a > < span class = "lineno" > 988< / span >   frame_header_.upscaled_width =< / div >
< div class = "line" > < a name = "l00989" > < / a > < span class = "lineno" > 989< / span >   (upscaled_width * kSuperresNum + superres_denom / 2) / superres_denom;< / div >
< div class = "line" > < a name = "l00990" > < / a > < span class = "lineno" > 990< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00991" > < / a > < span class = "lineno" > 991< / span >   }< / div >
< div class = "line" > < a name = "l00992" > < / a > < span class = "lineno" > 992< / span >   < / div >
< div class = "line" > < a name = "l00993" > < / a > < span class = "lineno" > 993< / span >   < span class = "comment" > // 5.9.9. Compute image size function.< / span > < / div >
< div class = "line" > < a name = "l00994" > < / a > < span class = "lineno" > 994< / span >   < span class = "keywordtype" > void< / span > AV1Parser::ComputeImageSize() {< / div >
< div class = "line" > < a name = "l00995" > < / a > < span class = "lineno" > 995< / span >   frame_header_.mi_cols = 2 * ((frame_header_.frame_width + 7) > > 3);< / div >
< div class = "line" > < a name = "l00996" > < / a > < span class = "lineno" > 996< / span >   frame_header_.mi_rows = 2 * ((frame_header_.frame_height + 7) > > 3);< / div >
< div class = "line" > < a name = "l00997" > < / a > < span class = "lineno" > 997< / span >   }< / div >
< div class = "line" > < a name = "l00998" > < / a > < span class = "lineno" > 998< / span >   < / div >
< div class = "line" > < a name = "l00999" > < / a > < span class = "lineno" > 999< / span >   < span class = "comment" > // 5.9.10. Interpolation filter syntax.< / span > < / div >
< div class = "line" > < a name = "l01000" > < / a > < span class = "lineno" > 1000< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::SkipInterpolationFilter(BitReader* reader) {< / div >
< div class = "line" > < a name = "l01001" > < / a > < span class = "lineno" > 1001< / span >   < span class = "comment" > // SKip is_filter_switchable, interpolation_filter.< / span > < / div >
< div class = "line" > < a name = "l01002" > < / a > < span class = "lineno" > 1002< / span >   RCHECK(reader-> SkipBitsConditional(< span class = "keyword" > false< / span > , 2));< / div >
< div class = "line" > < a name = "l01003" > < / a > < span class = "lineno" > 1003< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01004" > < / a > < span class = "lineno" > 1004< / span >   }< / div >
< div class = "line" > < a name = "l01005" > < / a > < span class = "lineno" > 1005< / span >   < / div >
< div class = "line" > < a name = "l01006" > < / a > < span class = "lineno" > 1006< / span >   < span class = "comment" > // 5.9.11. Loop filter parms syntax.< / span > < / div >
< div class = "line" > < a name = "l01007" > < / a > < span class = "lineno" > 1007< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseLoopFilterParams(< span class = "keywordtype" > bool< / span > coded_lossless,< / div >
< div class = "line" > < a name = "l01008" > < / a > < span class = "lineno" > 1008< / span >   < span class = "keywordtype" > bool< / span > allow_intrabc,< / div >
< div class = "line" > < a name = "l01009" > < / a > < span class = "lineno" > 1009< / span >   BitReader* reader) {< / div >
< div class = "line" > < a name = "l01010" > < / a > < span class = "lineno" > 1010< / span >   < span class = "keywordflow" > if< / span > (coded_lossless || allow_intrabc)< / div >
< div class = "line" > < a name = "l01011" > < / a > < span class = "lineno" > 1011< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01012" > < / a > < span class = "lineno" > 1012< / span >   < / div >
< div class = "line" > < a name = "l01013" > < / a > < span class = "lineno" > 1013< / span >   < span class = "keywordtype" > int< / span > loop_filter_level[] = {0, 0};< / div >
< div class = "line" > < a name = "l01014" > < / a > < span class = "lineno" > 1014< / span >   RCHECK(reader-> ReadBits(6, & loop_filter_level[0]));< / div >
< div class = "line" > < a name = "l01015" > < / a > < span class = "lineno" > 1015< / span >   RCHECK(reader-> ReadBits(6, & loop_filter_level[1]));< / div >
< div class = "line" > < a name = "l01016" > < / a > < span class = "lineno" > 1016< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.color_config.num_planes > 1) {< / div >
< div class = "line" > < a name = "l01017" > < / a > < span class = "lineno" > 1017< / span >   < span class = "keywordflow" > if< / span > (loop_filter_level[0] || loop_filter_level[1]) {< / div >
< div class = "line" > < a name = "l01018" > < / a > < span class = "lineno" > 1018< / span >   < span class = "comment" > // Skip loop_filter_level[2], loop_filter_level[3].< / span > < / div >
< div class = "line" > < a name = "l01019" > < / a > < span class = "lineno" > 1019< / span >   RCHECK(reader-> SkipBits(6 + 6));< / div >
< div class = "line" > < a name = "l01020" > < / a > < span class = "lineno" > 1020< / span >   }< / div >
< div class = "line" > < a name = "l01021" > < / a > < span class = "lineno" > 1021< / span >   }< / div >
< div class = "line" > < a name = "l01022" > < / a > < span class = "lineno" > 1022< / span >   < span class = "comment" > // Skip loop_filter_sharpness.< / span > < / div >
< div class = "line" > < a name = "l01023" > < / a > < span class = "lineno" > 1023< / span >   RCHECK(reader-> SkipBits(3));< / div >
< div class = "line" > < a name = "l01024" > < / a > < span class = "lineno" > 1024< / span >   < span class = "keywordtype" > bool< / span > loop_filter_delta_enabled = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01025" > < / a > < span class = "lineno" > 1025< / span >   RCHECK(reader-> ReadBits(1, & loop_filter_delta_enabled));< / div >
< div class = "line" > < a name = "l01026" > < / a > < span class = "lineno" > 1026< / span >   < span class = "keywordflow" > if< / span > (loop_filter_delta_enabled) {< / div >
< div class = "line" > < a name = "l01027" > < / a > < span class = "lineno" > 1027< / span >   < span class = "keywordtype" > bool< / span > loop_filter_delta_update = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01028" > < / a > < span class = "lineno" > 1028< / span >   RCHECK(reader-> ReadBits(1, & loop_filter_delta_update));< / div >
< div class = "line" > < a name = "l01029" > < / a > < span class = "lineno" > 1029< / span >   < span class = "keywordflow" > if< / span > (loop_filter_delta_update) {< / div >
< div class = "line" > < a name = "l01030" > < / a > < span class = "lineno" > 1030< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kTotalRefsPerFrame = 8;< / div >
< div class = "line" > < a name = "l01031" > < / a > < span class = "lineno" > 1031< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < kTotalRefsPerFrame; i++) {< / div >
< div class = "line" > < a name = "l01032" > < / a > < span class = "lineno" > 1032< / span >   < span class = "comment" > // Skip update_ref_delta, loop_filter_ref_delta[ i ].< / span > < / div >
< div class = "line" > < a name = "l01033" > < / a > < span class = "lineno" > 1033< / span >   RCHECK(reader-> SkipBitsConditional(< span class = "keyword" > true< / span > , 1 + 6));< / div >
< div class = "line" > < a name = "l01034" > < / a > < span class = "lineno" > 1034< / span >   }< / div >
< div class = "line" > < a name = "l01035" > < / a > < span class = "lineno" > 1035< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < 2; i++) {< / div >
< div class = "line" > < a name = "l01036" > < / a > < span class = "lineno" > 1036< / span >   < span class = "comment" > // Skip update_mode_delta, loop_filter_mode_delta[ i ].< / span > < / div >
< div class = "line" > < a name = "l01037" > < / a > < span class = "lineno" > 1037< / span >   RCHECK(reader-> SkipBitsConditional(< span class = "keyword" > true< / span > , 1 + 6));< / div >
< div class = "line" > < a name = "l01038" > < / a > < span class = "lineno" > 1038< / span >   }< / div >
< div class = "line" > < a name = "l01039" > < / a > < span class = "lineno" > 1039< / span >   }< / div >
< div class = "line" > < a name = "l01040" > < / a > < span class = "lineno" > 1040< / span >   }< / div >
< div class = "line" > < a name = "l01041" > < / a > < span class = "lineno" > 1041< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01042" > < / a > < span class = "lineno" > 1042< / span >   }< / div >
< div class = "line" > < a name = "l01043" > < / a > < span class = "lineno" > 1043< / span >   < / div >
< div class = "line" > < a name = "l01044" > < / a > < span class = "lineno" > 1044< / span >   < span class = "comment" > // 5.9.12. Quantization params syntax.< / span > < / div >
< div class = "line" > < a name = "l01045" > < / a > < span class = "lineno" > 1045< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseQuantizationParams(BitReader* reader) {< / div >
< div class = "line" > < a name = "l01046" > < / a > < span class = "lineno" > 1046< / span >   QuantizationParams& quantization_params = frame_header_.quantization_params;< / div >
< div class = "line" > < a name = "l01047" > < / a > < span class = "lineno" > 1047< / span >   < / div >
< div class = "line" > < a name = "l01048" > < / a > < span class = "lineno" > 1048< / span >   RCHECK(reader-> ReadBits(8, & quantization_params.base_q_idx));< / div >
< div class = "line" > < a name = "l01049" > < / a > < span class = "lineno" > 1049< / span >   RCHECK(ReadDeltaQ(reader, & quantization_params.delta_qydc));< / div >
< div class = "line" > < a name = "l01050" > < / a > < span class = "lineno" > 1050< / span >   < / div >
< div class = "line" > < a name = "l01051" > < / a > < span class = "lineno" > 1051< / span >   < span class = "keyword" > const< / span > ColorConfig& color_config = sequence_header_.color_config;< / div >
< div class = "line" > < a name = "l01052" > < / a > < span class = "lineno" > 1052< / span >   < span class = "keywordflow" > if< / span > (color_config.num_planes > 1) {< / div >
< div class = "line" > < a name = "l01053" > < / a > < span class = "lineno" > 1053< / span >   < span class = "keywordtype" > bool< / span > diff_uv_delta = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01054" > < / a > < span class = "lineno" > 1054< / span >   < span class = "keywordflow" > if< / span > (color_config.separate_uv_delta_q)< / div >
< div class = "line" > < a name = "l01055" > < / a > < span class = "lineno" > 1055< / span >   RCHECK(reader-> ReadBits(1, & diff_uv_delta));< / div >
< div class = "line" > < a name = "l01056" > < / a > < span class = "lineno" > 1056< / span >   RCHECK(ReadDeltaQ(reader, & quantization_params.delta_qudc));< / div >
< div class = "line" > < a name = "l01057" > < / a > < span class = "lineno" > 1057< / span >   RCHECK(ReadDeltaQ(reader, & quantization_params.delta_quac));< / div >
< div class = "line" > < a name = "l01058" > < / a > < span class = "lineno" > 1058< / span >   < span class = "keywordflow" > if< / span > (diff_uv_delta) {< / div >
< div class = "line" > < a name = "l01059" > < / a > < span class = "lineno" > 1059< / span >   RCHECK(ReadDeltaQ(reader, & quantization_params.delta_qvdc));< / div >
< div class = "line" > < a name = "l01060" > < / a > < span class = "lineno" > 1060< / span >   RCHECK(ReadDeltaQ(reader, & quantization_params.delta_qvac));< / div >
< div class = "line" > < a name = "l01061" > < / a > < span class = "lineno" > 1061< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01062" > < / a > < span class = "lineno" > 1062< / span >   quantization_params.delta_qvdc = quantization_params.delta_qudc;< / div >
< div class = "line" > < a name = "l01063" > < / a > < span class = "lineno" > 1063< / span >   quantization_params.delta_qvac = quantization_params.delta_quac;< / div >
< div class = "line" > < a name = "l01064" > < / a > < span class = "lineno" > 1064< / span >   }< / div >
< div class = "line" > < a name = "l01065" > < / a > < span class = "lineno" > 1065< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01066" > < / a > < span class = "lineno" > 1066< / span >   quantization_params.delta_qudc = 0;< / div >
< div class = "line" > < a name = "l01067" > < / a > < span class = "lineno" > 1067< / span >   quantization_params.delta_quac = 0;< / div >
< div class = "line" > < a name = "l01068" > < / a > < span class = "lineno" > 1068< / span >   quantization_params.delta_qvdc = 0;< / div >
< div class = "line" > < a name = "l01069" > < / a > < span class = "lineno" > 1069< / span >   quantization_params.delta_qvac = 0;< / div >
< div class = "line" > < a name = "l01070" > < / a > < span class = "lineno" > 1070< / span >   }< / div >
< div class = "line" > < a name = "l01071" > < / a > < span class = "lineno" > 1071< / span >   < span class = "keywordtype" > bool< / span > using_qmatrix = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01072" > < / a > < span class = "lineno" > 1072< / span >   RCHECK(reader-> ReadBits(1, & using_qmatrix));< / div >
< div class = "line" > < a name = "l01073" > < / a > < span class = "lineno" > 1073< / span >   < span class = "keywordflow" > if< / span > (using_qmatrix) {< / div >
< div class = "line" > < a name = "l01074" > < / a > < span class = "lineno" > 1074< / span >   < span class = "comment" > // Skip qm_y, qm_u.< / span > < / div >
< div class = "line" > < a name = "l01075" > < / a > < span class = "lineno" > 1075< / span >   RCHECK(reader-> SkipBits(4 + 4));< / div >
< div class = "line" > < a name = "l01076" > < / a > < span class = "lineno" > 1076< / span >   < span class = "keywordflow" > if< / span > (color_config.separate_uv_delta_q) {< / div >
< div class = "line" > < a name = "l01077" > < / a > < span class = "lineno" > 1077< / span >   < span class = "comment" > // Skip qm_v.< / span > < / div >
< div class = "line" > < a name = "l01078" > < / a > < span class = "lineno" > 1078< / span >   RCHECK(reader-> SkipBits(4));< / div >
< div class = "line" > < a name = "l01079" > < / a > < span class = "lineno" > 1079< / span >   }< / div >
< div class = "line" > < a name = "l01080" > < / a > < span class = "lineno" > 1080< / span >   }< / div >
< div class = "line" > < a name = "l01081" > < / a > < span class = "lineno" > 1081< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01082" > < / a > < span class = "lineno" > 1082< / span >   }< / div >
< div class = "line" > < a name = "l01083" > < / a > < span class = "lineno" > 1083< / span >   < / div >
< div class = "line" > < a name = "l01084" > < / a > < span class = "lineno" > 1084< / span >   < span class = "comment" > // 5.9.13. Delta quantizer syntax.< / span > < / div >
< div class = "line" > < a name = "l01085" > < / a > < span class = "lineno" > 1085< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ReadDeltaQ(BitReader* reader, < span class = "keywordtype" > int< / span > * delta_q) {< / div >
< div class = "line" > < a name = "l01086" > < / a > < span class = "lineno" > 1086< / span >   < span class = "keywordtype" > bool< / span > delta_coded = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01087" > < / a > < span class = "lineno" > 1087< / span >   RCHECK(reader-> ReadBits(1, & delta_coded));< / div >
< div class = "line" > < a name = "l01088" > < / a > < span class = "lineno" > 1088< / span >   < span class = "keywordflow" > if< / span > (delta_coded)< / div >
< div class = "line" > < a name = "l01089" > < / a > < span class = "lineno" > 1089< / span >   RCHECK(ReadSu(1 + 6, reader, delta_q));< / div >
< div class = "line" > < a name = "l01090" > < / a > < span class = "lineno" > 1090< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l01091" > < / a > < span class = "lineno" > 1091< / span >   *delta_q = 0;< / div >
< div class = "line" > < a name = "l01092" > < / a > < span class = "lineno" > 1092< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01093" > < / a > < span class = "lineno" > 1093< / span >   }< / div >
< div class = "line" > < a name = "l01094" > < / a > < span class = "lineno" > 1094< / span >   < / div >
< div class = "line" > < a name = "l01095" > < / a > < span class = "lineno" > 1095< / span >   < span class = "comment" > // 5.9.14. Segmentation params syntax.< / span > < / div >
< div class = "line" > < a name = "l01096" > < / a > < span class = "lineno" > 1096< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseSegmentationParams(< span class = "keywordtype" > int< / span > primary_ref_frame,< / div >
< div class = "line" > < a name = "l01097" > < / a > < span class = "lineno" > 1097< / span >   BitReader* reader) {< / div >
< div class = "line" > < a name = "l01098" > < / a > < span class = "lineno" > 1098< / span >   SegmentationParams& segmentation_params = frame_header_.segmentation_params;< / div >
< div class = "line" > < a name = "l01099" > < / a > < span class = "lineno" > 1099< / span >   < / div >
< div class = "line" > < a name = "l01100" > < / a > < span class = "lineno" > 1100< / span >   RCHECK(reader-> ReadBits(1, & segmentation_params.segmentation_enabled));< / div >
< div class = "line" > < a name = "l01101" > < / a > < span class = "lineno" > 1101< / span >   < span class = "keywordflow" > if< / span > (segmentation_params.segmentation_enabled) {< / div >
< div class = "line" > < a name = "l01102" > < / a > < span class = "lineno" > 1102< / span >   < span class = "keywordtype" > bool< / span > segmentation_update_data = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01103" > < / a > < span class = "lineno" > 1103< / span >   < span class = "keywordflow" > if< / span > (primary_ref_frame == kPrimaryRefNone) {< / div >
< div class = "line" > < a name = "l01104" > < / a > < span class = "lineno" > 1104< / span >   segmentation_update_data = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01105" > < / a > < span class = "lineno" > 1105< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01106" > < / a > < span class = "lineno" > 1106< / span >   < span class = "comment" > // Skip segmentation_update_map, segmentation_temporal_update.< / span > < / div >
< div class = "line" > < a name = "l01107" > < / a > < span class = "lineno" > 1107< / span >   RCHECK(reader-> SkipBitsConditional(< span class = "keyword" > true< / span > , 1));< / div >
< div class = "line" > < a name = "l01108" > < / a > < span class = "lineno" > 1108< / span >   RCHECK(reader-> ReadBits(1, & segmentation_update_data));< / div >
< div class = "line" > < a name = "l01109" > < / a > < span class = "lineno" > 1109< / span >   }< / div >
< div class = "line" > < a name = "l01110" > < / a > < span class = "lineno" > 1110< / span >   < span class = "keywordflow" > if< / span > (segmentation_update_data) {< / div >
< div class = "line" > < a name = "l01111" > < / a > < span class = "lineno" > 1111< / span >   < span class = "keyword" > static< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kSegmentationFeatureBits[kSegLvlMax] = {8, 6, 6, 6,< / div >
< div class = "line" > < a name = "l01112" > < / a > < span class = "lineno" > 1112< / span >   6, 3, 0, 0};< / div >
< div class = "line" > < a name = "l01113" > < / a > < span class = "lineno" > 1113< / span >   < span class = "keyword" > static< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kSegmentationFeatureSigned[kSegLvlMax] = {1, 1, 1, 1,< / div >
< div class = "line" > < a name = "l01114" > < / a > < span class = "lineno" > 1114< / span >   1, 0, 0, 0};< / div >
< div class = "line" > < a name = "l01115" > < / a > < span class = "lineno" > 1115< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kMaxLoopFilter = 63;< / div >
< div class = "line" > < a name = "l01116" > < / a > < span class = "lineno" > 1116< / span >   < span class = "keyword" > static< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kSegmentationFeatureMax[kSegLvlMax] = {255,< / div >
< div class = "line" > < a name = "l01117" > < / a > < span class = "lineno" > 1117< / span >   kMaxLoopFilter,< / div >
< div class = "line" > < a name = "l01118" > < / a > < span class = "lineno" > 1118< / span >   kMaxLoopFilter,< / div >
< div class = "line" > < a name = "l01119" > < / a > < span class = "lineno" > 1119< / span >   kMaxLoopFilter,< / div >
< div class = "line" > < a name = "l01120" > < / a > < span class = "lineno" > 1120< / span >   kMaxLoopFilter,< / div >
< div class = "line" > < a name = "l01121" > < / a > < span class = "lineno" > 1121< / span >   7,< / div >
< div class = "line" > < a name = "l01122" > < / a > < span class = "lineno" > 1122< / span >   0,< / div >
< div class = "line" > < a name = "l01123" > < / a > < span class = "lineno" > 1123< / span >   0};< / div >
< div class = "line" > < a name = "l01124" > < / a > < span class = "lineno" > 1124< / span >   < / div >
< div class = "line" > < a name = "l01125" > < / a > < span class = "lineno" > 1125< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < kMaxSegments; i++) {< / div >
< div class = "line" > < a name = "l01126" > < / a > < span class = "lineno" > 1126< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < kSegLvlMax; j++) {< / div >
< div class = "line" > < a name = "l01127" > < / a > < span class = "lineno" > 1127< / span >   < span class = "keywordtype" > bool< / span > feature_enabled = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01128" > < / a > < span class = "lineno" > 1128< / span >   RCHECK(reader-> ReadBits(1, & feature_enabled));< / div >
< div class = "line" > < a name = "l01129" > < / a > < span class = "lineno" > 1129< / span >   segmentation_params.feature_enabled[i][j] = feature_enabled;< / div >
< div class = "line" > < a name = "l01130" > < / a > < span class = "lineno" > 1130< / span >   < span class = "keywordtype" > int< / span > clipped_value = 0;< / div >
< div class = "line" > < a name = "l01131" > < / a > < span class = "lineno" > 1131< / span >   < span class = "keywordflow" > if< / span > (feature_enabled) {< / div >
< div class = "line" > < a name = "l01132" > < / a > < span class = "lineno" > 1132< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > bits_to_read = kSegmentationFeatureBits[j];< / div >
< div class = "line" > < a name = "l01133" > < / a > < span class = "lineno" > 1133< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > limit = kSegmentationFeatureMax[j];< / div >
< div class = "line" > < a name = "l01134" > < / a > < span class = "lineno" > 1134< / span >   < span class = "keywordflow" > if< / span > (kSegmentationFeatureSigned[j]) {< / div >
< div class = "line" > < a name = "l01135" > < / a > < span class = "lineno" > 1135< / span >   < span class = "keywordtype" > int< / span > feature_value = 0;< / div >
< div class = "line" > < a name = "l01136" > < / a > < span class = "lineno" > 1136< / span >   RCHECK(ReadSu(1 + bits_to_read, reader, & feature_value));< / div >
< div class = "line" > < a name = "l01137" > < / a > < span class = "lineno" > 1137< / span >   clipped_value = Clip3(-limit, limit, feature_value);< / div >
< div class = "line" > < a name = "l01138" > < / a > < span class = "lineno" > 1138< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01139" > < / a > < span class = "lineno" > 1139< / span >   < span class = "keywordtype" > int< / span > feature_value = 0;< / div >
< div class = "line" > < a name = "l01140" > < / a > < span class = "lineno" > 1140< / span >   RCHECK(reader-> ReadBits(bits_to_read, & feature_value));< / div >
< div class = "line" > < a name = "l01141" > < / a > < span class = "lineno" > 1141< / span >   clipped_value = Clip3(0, limit, feature_value);< / div >
< div class = "line" > < a name = "l01142" > < / a > < span class = "lineno" > 1142< / span >   }< / div >
< div class = "line" > < a name = "l01143" > < / a > < span class = "lineno" > 1143< / span >   }< / div >
< div class = "line" > < a name = "l01144" > < / a > < span class = "lineno" > 1144< / span >   segmentation_params.feature_data[i][j] = clipped_value;< / div >
< div class = "line" > < a name = "l01145" > < / a > < span class = "lineno" > 1145< / span >   }< / div >
< div class = "line" > < a name = "l01146" > < / a > < span class = "lineno" > 1146< / span >   }< / div >
< div class = "line" > < a name = "l01147" > < / a > < span class = "lineno" > 1147< / span >   }< / div >
< div class = "line" > < a name = "l01148" > < / a > < span class = "lineno" > 1148< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01149" > < / a > < span class = "lineno" > 1149< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < kMaxSegments; i++) {< / div >
< div class = "line" > < a name = "l01150" > < / a > < span class = "lineno" > 1150< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < kSegLvlMax; j++) {< / div >
< div class = "line" > < a name = "l01151" > < / a > < span class = "lineno" > 1151< / span >   segmentation_params.feature_enabled[i][j] = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01152" > < / a > < span class = "lineno" > 1152< / span >   segmentation_params.feature_data[i][j] = 0;< / div >
< div class = "line" > < a name = "l01153" > < / a > < span class = "lineno" > 1153< / span >   }< / div >
< div class = "line" > < a name = "l01154" > < / a > < span class = "lineno" > 1154< / span >   }< / div >
< div class = "line" > < a name = "l01155" > < / a > < span class = "lineno" > 1155< / span >   }< / div >
< div class = "line" > < a name = "l01156" > < / a > < span class = "lineno" > 1156< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01157" > < / a > < span class = "lineno" > 1157< / span >   }< / div >
< div class = "line" > < a name = "l01158" > < / a > < span class = "lineno" > 1158< / span >   < / div >
< div class = "line" > < a name = "l01159" > < / a > < span class = "lineno" > 1159< / span >   < span class = "comment" > // 5.9.15. Tile info syntax.< / span > < / div >
< div class = "line" > < a name = "l01160" > < / a > < span class = "lineno" > 1160< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseTileInfo(BitReader* reader) {< / div >
< div class = "line" > < a name = "l01161" > < / a > < span class = "lineno" > 1161< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kMaxTileWidth = 4096;< / div >
< div class = "line" > < a name = "l01162" > < / a > < span class = "lineno" > 1162< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kMaxTileArea = 4096 * 2304;< / div >
< div class = "line" > < a name = "l01163" > < / a > < span class = "lineno" > 1163< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kMaxTileRows = 64;< / div >
< div class = "line" > < a name = "l01164" > < / a > < span class = "lineno" > 1164< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kMaxTileCols = 64;< / div >
< div class = "line" > < a name = "l01165" > < / a > < span class = "lineno" > 1165< / span >   < / div >
< div class = "line" > < a name = "l01166" > < / a > < span class = "lineno" > 1166< / span >   TileInfo& tile_info = frame_header_.tile_info;< / div >
< div class = "line" > < a name = "l01167" > < / a > < span class = "lineno" > 1167< / span >   < / div >
< div class = "line" > < a name = "l01168" > < / a > < span class = "lineno" > 1168< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > sb_cols = sequence_header_.use_128x128_superblock< / div >
< div class = "line" > < a name = "l01169" > < / a > < span class = "lineno" > 1169< / span >   ? ((frame_header_.mi_cols + 31) > > 5)< / div >
< div class = "line" > < a name = "l01170" > < / a > < span class = "lineno" > 1170< / span >   : ((frame_header_.mi_cols + 15) > > 4);< / div >
< div class = "line" > < a name = "l01171" > < / a > < span class = "lineno" > 1171< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > sb_rows = sequence_header_.use_128x128_superblock< / div >
< div class = "line" > < a name = "l01172" > < / a > < span class = "lineno" > 1172< / span >   ? ((frame_header_.mi_rows + 31) > > 5)< / div >
< div class = "line" > < a name = "l01173" > < / a > < span class = "lineno" > 1173< / span >   : ((frame_header_.mi_rows + 15) > > 4);< / div >
< div class = "line" > < a name = "l01174" > < / a > < span class = "lineno" > 1174< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > sb_shift = sequence_header_.use_128x128_superblock ? 5 : 4;< / div >
< div class = "line" > < a name = "l01175" > < / a > < span class = "lineno" > 1175< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > sb_size = sb_shift + 2;< / div >
< div class = "line" > < a name = "l01176" > < / a > < span class = "lineno" > 1176< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > max_tile_width_sb = kMaxTileWidth > > sb_size;< / div >
< div class = "line" > < a name = "l01177" > < / a > < span class = "lineno" > 1177< / span >   < span class = "keywordtype" > int< / span > max_tile_area_sb = kMaxTileArea > > (2 * sb_size);< / div >
< div class = "line" > < a name = "l01178" > < / a > < span class = "lineno" > 1178< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > min_log2_tile_cols = TileLog2(max_tile_width_sb, sb_cols);< / div >
< div class = "line" > < a name = "l01179" > < / a > < span class = "lineno" > 1179< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > max_log2_tile_cols = TileLog2(1, std::min(sb_cols, kMaxTileCols));< / div >
< div class = "line" > < a name = "l01180" > < / a > < span class = "lineno" > 1180< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > max_log2_tile_rows = TileLog2(1, std::min(sb_rows, kMaxTileRows));< / div >
< div class = "line" > < a name = "l01181" > < / a > < span class = "lineno" > 1181< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > min_log2_tiles = std::max(< / div >
< div class = "line" > < a name = "l01182" > < / a > < span class = "lineno" > 1182< / span >   min_log2_tile_cols, TileLog2(max_tile_area_sb, sb_rows * sb_cols));< / div >
< div class = "line" > < a name = "l01183" > < / a > < span class = "lineno" > 1183< / span >   < / div >
< div class = "line" > < a name = "l01184" > < / a > < span class = "lineno" > 1184< / span >   < span class = "keywordtype" > bool< / span > uniform_tile_spacing_flag = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01185" > < / a > < span class = "lineno" > 1185< / span >   RCHECK(reader-> ReadBits(1, & uniform_tile_spacing_flag));< / div >
< div class = "line" > < a name = "l01186" > < / a > < span class = "lineno" > 1186< / span >   < span class = "keywordflow" > if< / span > (uniform_tile_spacing_flag) {< / div >
< div class = "line" > < a name = "l01187" > < / a > < span class = "lineno" > 1187< / span >   tile_info.tile_cols_log2 = min_log2_tile_cols;< / div >
< div class = "line" > < a name = "l01188" > < / a > < span class = "lineno" > 1188< / span >   < span class = "keywordflow" > while< / span > (tile_info.tile_cols_log2 < max_log2_tile_cols) {< / div >
< div class = "line" > < a name = "l01189" > < / a > < span class = "lineno" > 1189< / span >   < span class = "keywordtype" > bool< / span > increment_tile_cols_log2 = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01190" > < / a > < span class = "lineno" > 1190< / span >   RCHECK(reader-> ReadBits(1, & increment_tile_cols_log2));< / div >
< div class = "line" > < a name = "l01191" > < / a > < span class = "lineno" > 1191< / span >   < span class = "keywordflow" > if< / span > (increment_tile_cols_log2)< / div >
< div class = "line" > < a name = "l01192" > < / a > < span class = "lineno" > 1192< / span >   tile_info.tile_cols_log2++;< / div >
< div class = "line" > < a name = "l01193" > < / a > < span class = "lineno" > 1193< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l01194" > < / a > < span class = "lineno" > 1194< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l01195" > < / a > < span class = "lineno" > 1195< / span >   }< / div >
< div class = "line" > < a name = "l01196" > < / a > < span class = "lineno" > 1196< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > tile_width_sb = (sb_cols + (1 < < tile_info.tile_cols_log2) - 1) > > < / div >
< div class = "line" > < a name = "l01197" > < / a > < span class = "lineno" > 1197< / span >   tile_info.tile_cols_log2;< / div >
< div class = "line" > < a name = "l01198" > < / a > < span class = "lineno" > 1198< / span >   < span class = "keywordtype" > int< / span > i = 0;< / div >
< div class = "line" > < a name = "l01199" > < / a > < span class = "lineno" > 1199< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > start_sb = 0; start_sb < sb_cols; start_sb += tile_width_sb) {< / div >
< div class = "line" > < a name = "l01200" > < / a > < span class = "lineno" > 1200< / span >   i += 1;< / div >
< div class = "line" > < a name = "l01201" > < / a > < span class = "lineno" > 1201< / span >   }< / div >
< div class = "line" > < a name = "l01202" > < / a > < span class = "lineno" > 1202< / span >   tile_info.tile_cols = i;< / div >
< div class = "line" > < a name = "l01203" > < / a > < span class = "lineno" > 1203< / span >   < / div >
< div class = "line" > < a name = "l01204" > < / a > < span class = "lineno" > 1204< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > min_log2_tile_rows =< / div >
< div class = "line" > < a name = "l01205" > < / a > < span class = "lineno" > 1205< / span >   std::max(min_log2_tiles - tile_info.tile_cols_log2, 0);< / div >
< div class = "line" > < a name = "l01206" > < / a > < span class = "lineno" > 1206< / span >   tile_info.tile_rows_log2 = min_log2_tile_rows;< / div >
< div class = "line" > < a name = "l01207" > < / a > < span class = "lineno" > 1207< / span >   < span class = "keywordflow" > while< / span > (tile_info.tile_rows_log2 < max_log2_tile_rows) {< / div >
< div class = "line" > < a name = "l01208" > < / a > < span class = "lineno" > 1208< / span >   < span class = "keywordtype" > bool< / span > increment_tile_rows_log2 = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01209" > < / a > < span class = "lineno" > 1209< / span >   RCHECK(reader-> ReadBits(1, & increment_tile_rows_log2));< / div >
< div class = "line" > < a name = "l01210" > < / a > < span class = "lineno" > 1210< / span >   < span class = "keywordflow" > if< / span > (increment_tile_rows_log2)< / div >
< div class = "line" > < a name = "l01211" > < / a > < span class = "lineno" > 1211< / span >   tile_info.tile_rows_log2++;< / div >
< div class = "line" > < a name = "l01212" > < / a > < span class = "lineno" > 1212< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l01213" > < / a > < span class = "lineno" > 1213< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l01214" > < / a > < span class = "lineno" > 1214< / span >   }< / div >
< div class = "line" > < a name = "l01215" > < / a > < span class = "lineno" > 1215< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > tile_height_sb =< / div >
< div class = "line" > < a name = "l01216" > < / a > < span class = "lineno" > 1216< / span >   (sb_rows + (1 < < tile_info.tile_rows_log2) - 1) > > < / div >
< div class = "line" > < a name = "l01217" > < / a > < span class = "lineno" > 1217< / span >   tile_info.tile_rows_log2;< / div >
< div class = "line" > < a name = "l01218" > < / a > < span class = "lineno" > 1218< / span >   i = 0;< / div >
< div class = "line" > < a name = "l01219" > < / a > < span class = "lineno" > 1219< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > start_sb = 0; start_sb < sb_rows; start_sb += tile_height_sb) {< / div >
< div class = "line" > < a name = "l01220" > < / a > < span class = "lineno" > 1220< / span >   i += 1;< / div >
< div class = "line" > < a name = "l01221" > < / a > < span class = "lineno" > 1221< / span >   }< / div >
< div class = "line" > < a name = "l01222" > < / a > < span class = "lineno" > 1222< / span >   tile_info.tile_rows = i;< / div >
< div class = "line" > < a name = "l01223" > < / a > < span class = "lineno" > 1223< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01224" > < / a > < span class = "lineno" > 1224< / span >   < span class = "keywordtype" > int< / span > widest_tile_sb = 0;< / div >
< div class = "line" > < a name = "l01225" > < / a > < span class = "lineno" > 1225< / span >   < span class = "keywordtype" > int< / span > start_sb = 0;< / div >
< div class = "line" > < a name = "l01226" > < / a > < span class = "lineno" > 1226< / span >   < span class = "keywordtype" > int< / span > i = 0;< / div >
< div class = "line" > < a name = "l01227" > < / a > < span class = "lineno" > 1227< / span >   < span class = "keywordflow" > for< / span > (; start_sb < sb_cols; i++) {< / div >
< div class = "line" > < a name = "l01228" > < / a > < span class = "lineno" > 1228< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > max_width = std::min(sb_cols - start_sb, max_tile_width_sb);< / div >
< div class = "line" > < a name = "l01229" > < / a > < span class = "lineno" > 1229< / span >   < span class = "keywordtype" > int< / span > width_in_sbs_minus_1 = 0;< / div >
< div class = "line" > < a name = "l01230" > < / a > < span class = "lineno" > 1230< / span >   RCHECK(ReadNs(max_width, reader, & width_in_sbs_minus_1));< / div >
< div class = "line" > < a name = "l01231" > < / a > < span class = "lineno" > 1231< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > size_sb = width_in_sbs_minus_1 + 1;< / div >
< div class = "line" > < a name = "l01232" > < / a > < span class = "lineno" > 1232< / span >   widest_tile_sb = std::max(size_sb, widest_tile_sb);< / div >
< div class = "line" > < a name = "l01233" > < / a > < span class = "lineno" > 1233< / span >   start_sb += size_sb;< / div >
< div class = "line" > < a name = "l01234" > < / a > < span class = "lineno" > 1234< / span >   }< / div >
< div class = "line" > < a name = "l01235" > < / a > < span class = "lineno" > 1235< / span >   tile_info.tile_cols = i;< / div >
< div class = "line" > < a name = "l01236" > < / a > < span class = "lineno" > 1236< / span >   tile_info.tile_cols_log2 = TileLog2(1, tile_info.tile_cols);< / div >
< div class = "line" > < a name = "l01237" > < / a > < span class = "lineno" > 1237< / span >   < / div >
< div class = "line" > < a name = "l01238" > < / a > < span class = "lineno" > 1238< / span >   < span class = "keywordflow" > if< / span > (min_log2_tiles > 0)< / div >
< div class = "line" > < a name = "l01239" > < / a > < span class = "lineno" > 1239< / span >   max_tile_area_sb = (sb_rows * sb_cols) > > (min_log2_tiles + 1);< / div >
< div class = "line" > < a name = "l01240" > < / a > < span class = "lineno" > 1240< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l01241" > < / a > < span class = "lineno" > 1241< / span >   max_tile_area_sb = sb_rows * sb_cols;< / div >
< div class = "line" > < a name = "l01242" > < / a > < span class = "lineno" > 1242< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > max_tile_height_sb =< / div >
< div class = "line" > < a name = "l01243" > < / a > < span class = "lineno" > 1243< / span >   std::max(max_tile_area_sb / widest_tile_sb, 1);< / div >
< div class = "line" > < a name = "l01244" > < / a > < span class = "lineno" > 1244< / span >   < / div >
< div class = "line" > < a name = "l01245" > < / a > < span class = "lineno" > 1245< / span >   start_sb = 0;< / div >
< div class = "line" > < a name = "l01246" > < / a > < span class = "lineno" > 1246< / span >   i = 0;< / div >
< div class = "line" > < a name = "l01247" > < / a > < span class = "lineno" > 1247< / span >   < span class = "keywordflow" > for< / span > (; start_sb < sb_rows; i++) {< / div >
< div class = "line" > < a name = "l01248" > < / a > < span class = "lineno" > 1248< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > max_height = std::min(sb_rows - start_sb, max_tile_height_sb);< / div >
< div class = "line" > < a name = "l01249" > < / a > < span class = "lineno" > 1249< / span >   < span class = "keywordtype" > int< / span > height_in_sbs_minus_1 = 0;< / div >
< div class = "line" > < a name = "l01250" > < / a > < span class = "lineno" > 1250< / span >   RCHECK(ReadNs(max_height, reader, & height_in_sbs_minus_1));< / div >
< div class = "line" > < a name = "l01251" > < / a > < span class = "lineno" > 1251< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > size_sb = height_in_sbs_minus_1 + 1;< / div >
< div class = "line" > < a name = "l01252" > < / a > < span class = "lineno" > 1252< / span >   start_sb += size_sb;< / div >
< div class = "line" > < a name = "l01253" > < / a > < span class = "lineno" > 1253< / span >   }< / div >
< div class = "line" > < a name = "l01254" > < / a > < span class = "lineno" > 1254< / span >   tile_info.tile_rows = i;< / div >
< div class = "line" > < a name = "l01255" > < / a > < span class = "lineno" > 1255< / span >   tile_info.tile_rows_log2 = TileLog2(1, tile_info.tile_rows);< / div >
< div class = "line" > < a name = "l01256" > < / a > < span class = "lineno" > 1256< / span >   }< / div >
< div class = "line" > < a name = "l01257" > < / a > < span class = "lineno" > 1257< / span >   < span class = "keywordflow" > if< / span > (tile_info.tile_cols_log2 > 0 || tile_info.tile_rows_log2 > 0) {< / div >
< div class = "line" > < a name = "l01258" > < / a > < span class = "lineno" > 1258< / span >   < span class = "comment" > // Skip context_update_tile_id.< / span > < / div >
< div class = "line" > < a name = "l01259" > < / a > < span class = "lineno" > 1259< / span >   RCHECK(< / div >
< div class = "line" > < a name = "l01260" > < / a > < span class = "lineno" > 1260< / span >   reader-> SkipBits(tile_info.tile_rows_log2 + tile_info.tile_cols_log2));< / div >
< div class = "line" > < a name = "l01261" > < / a > < span class = "lineno" > 1261< / span >   < span class = "keywordtype" > int< / span > tile_size_bytes_minus_1 = 0;< / div >
< div class = "line" > < a name = "l01262" > < / a > < span class = "lineno" > 1262< / span >   RCHECK(reader-> ReadBits(2, & tile_size_bytes_minus_1));< / div >
< div class = "line" > < a name = "l01263" > < / a > < span class = "lineno" > 1263< / span >   tile_info.tile_size_bytes = tile_size_bytes_minus_1 + 1;< / div >
< div class = "line" > < a name = "l01264" > < / a > < span class = "lineno" > 1264< / span >   }< / div >
< div class = "line" > < a name = "l01265" > < / a > < span class = "lineno" > 1265< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01266" > < / a > < span class = "lineno" > 1266< / span >   }< / div >
< div class = "line" > < a name = "l01267" > < / a > < span class = "lineno" > 1267< / span >   < / div >
< div class = "line" > < a name = "l01268" > < / a > < span class = "lineno" > 1268< / span >   < span class = "comment" > // 5.9.17. Quantizer index delta parameters syntax.< / span > < / div >
< div class = "line" > < a name = "l01269" > < / a > < span class = "lineno" > 1269< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::SkipDeltaQParams(BitReader* reader, < span class = "keywordtype" > bool< / span > * delta_q_present) {< / div >
< div class = "line" > < a name = "l01270" > < / a > < span class = "lineno" > 1270< / span >   *delta_q_present = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01271" > < / a > < span class = "lineno" > 1271< / span >   < span class = "keywordflow" > if< / span > (frame_header_.quantization_params.base_q_idx > 0)< / div >
< div class = "line" > < a name = "l01272" > < / a > < span class = "lineno" > 1272< / span >   RCHECK(reader-> ReadBits(1, delta_q_present));< / div >
< div class = "line" > < a name = "l01273" > < / a > < span class = "lineno" > 1273< / span >   < span class = "keywordflow" > if< / span > (*delta_q_present) {< / div >
< div class = "line" > < a name = "l01274" > < / a > < span class = "lineno" > 1274< / span >   < span class = "comment" > // Skip delta_q_res.< / span > < / div >
< div class = "line" > < a name = "l01275" > < / a > < span class = "lineno" > 1275< / span >   RCHECK(reader-> SkipBits(2));< / div >
< div class = "line" > < a name = "l01276" > < / a > < span class = "lineno" > 1276< / span >   }< / div >
< div class = "line" > < a name = "l01277" > < / a > < span class = "lineno" > 1277< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01278" > < / a > < span class = "lineno" > 1278< / span >   }< / div >
< div class = "line" > < a name = "l01279" > < / a > < span class = "lineno" > 1279< / span >   < / div >
< div class = "line" > < a name = "l01280" > < / a > < span class = "lineno" > 1280< / span >   < span class = "comment" > // 5.9.18. Loop filter delta parameters syntax.< / span > < / div >
< div class = "line" > < a name = "l01281" > < / a > < span class = "lineno" > 1281< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::SkipDeltaLfParams(< span class = "keywordtype" > bool< / span > delta_q_present,< / div >
< div class = "line" > < a name = "l01282" > < / a > < span class = "lineno" > 1282< / span >   < span class = "keywordtype" > bool< / span > allow_intrabc,< / div >
< div class = "line" > < a name = "l01283" > < / a > < span class = "lineno" > 1283< / span >   BitReader* reader) {< / div >
< div class = "line" > < a name = "l01284" > < / a > < span class = "lineno" > 1284< / span >   < span class = "keywordtype" > bool< / span > delta_lf_present = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01285" > < / a > < span class = "lineno" > 1285< / span >   < span class = "keywordflow" > if< / span > (delta_q_present) {< / div >
< div class = "line" > < a name = "l01286" > < / a > < span class = "lineno" > 1286< / span >   < span class = "keywordflow" > if< / span > (!allow_intrabc)< / div >
< div class = "line" > < a name = "l01287" > < / a > < span class = "lineno" > 1287< / span >   RCHECK(reader-> ReadBits(1, & delta_lf_present));< / div >
< div class = "line" > < a name = "l01288" > < / a > < span class = "lineno" > 1288< / span >   < span class = "keywordflow" > if< / span > (delta_lf_present) {< / div >
< div class = "line" > < a name = "l01289" > < / a > < span class = "lineno" > 1289< / span >   < span class = "comment" > // Skip delta_lf_res, delta_lf_multi.< / span > < / div >
< div class = "line" > < a name = "l01290" > < / a > < span class = "lineno" > 1290< / span >   RCHECK(reader-> SkipBits(2 + 1));< / div >
< div class = "line" > < a name = "l01291" > < / a > < span class = "lineno" > 1291< / span >   }< / div >
< div class = "line" > < a name = "l01292" > < / a > < span class = "lineno" > 1292< / span >   }< / div >
< div class = "line" > < a name = "l01293" > < / a > < span class = "lineno" > 1293< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01294" > < / a > < span class = "lineno" > 1294< / span >   }< / div >
< div class = "line" > < a name = "l01295" > < / a > < span class = "lineno" > 1295< / span >   < / div >
< div class = "line" > < a name = "l01296" > < / a > < span class = "lineno" > 1296< / span >   < span class = "comment" > // 5.9.19. CDEF params syntax.< / span > < / div >
< div class = "line" > < a name = "l01297" > < / a > < span class = "lineno" > 1297< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseCdefParams(< span class = "keywordtype" > bool< / span > coded_lossless,< / div >
< div class = "line" > < a name = "l01298" > < / a > < span class = "lineno" > 1298< / span >   < span class = "keywordtype" > bool< / span > allow_intrabc,< / div >
< div class = "line" > < a name = "l01299" > < / a > < span class = "lineno" > 1299< / span >   BitReader* reader) {< / div >
< div class = "line" > < a name = "l01300" > < / a > < span class = "lineno" > 1300< / span >   < span class = "keywordflow" > if< / span > (coded_lossless || allow_intrabc || !sequence_header_.enable_cdef)< / div >
< div class = "line" > < a name = "l01301" > < / a > < span class = "lineno" > 1301< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01302" > < / a > < span class = "lineno" > 1302< / span >   < / div >
< div class = "line" > < a name = "l01303" > < / a > < span class = "lineno" > 1303< / span >   < span class = "comment" > // Skip cdef_damping_minus_3.< / span > < / div >
< div class = "line" > < a name = "l01304" > < / a > < span class = "lineno" > 1304< / span >   RCHECK(reader-> SkipBits(2));< / div >
< div class = "line" > < a name = "l01305" > < / a > < span class = "lineno" > 1305< / span >   < span class = "keywordtype" > int< / span > cdef_bits = 0;< / div >
< div class = "line" > < a name = "l01306" > < / a > < span class = "lineno" > 1306< / span >   RCHECK(reader-> ReadBits(2, & cdef_bits));< / div >
< div class = "line" > < a name = "l01307" > < / a > < span class = "lineno" > 1307< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < (1 < < cdef_bits); i++) {< / div >
< div class = "line" > < a name = "l01308" > < / a > < span class = "lineno" > 1308< / span >   < span class = "comment" > // Skip cdef_y_pri_strength[i], Skip cdef_y_sec_strength[i].< / span > < / div >
< div class = "line" > < a name = "l01309" > < / a > < span class = "lineno" > 1309< / span >   RCHECK(reader-> SkipBits(4 + 2));< / div >
< div class = "line" > < a name = "l01310" > < / a > < span class = "lineno" > 1310< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.color_config.num_planes > 1) {< / div >
< div class = "line" > < a name = "l01311" > < / a > < span class = "lineno" > 1311< / span >   < span class = "comment" > // Skip cdef_uv_pri_strength[i], Skip cdef_uv_sec_strength[i].< / span > < / div >
< div class = "line" > < a name = "l01312" > < / a > < span class = "lineno" > 1312< / span >   RCHECK(reader-> SkipBits(4 + 2));< / div >
< div class = "line" > < a name = "l01313" > < / a > < span class = "lineno" > 1313< / span >   }< / div >
< div class = "line" > < a name = "l01314" > < / a > < span class = "lineno" > 1314< / span >   }< / div >
< div class = "line" > < a name = "l01315" > < / a > < span class = "lineno" > 1315< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01316" > < / a > < span class = "lineno" > 1316< / span >   }< / div >
< div class = "line" > < a name = "l01317" > < / a > < span class = "lineno" > 1317< / span >   < / div >
< div class = "line" > < a name = "l01318" > < / a > < span class = "lineno" > 1318< / span >   < span class = "comment" > // 5.9.20. Loop restoration params syntax.< / span > < / div >
< div class = "line" > < a name = "l01319" > < / a > < span class = "lineno" > 1319< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseLrParams(< span class = "keywordtype" > bool< / span > all_lossless,< / div >
< div class = "line" > < a name = "l01320" > < / a > < span class = "lineno" > 1320< / span >   < span class = "keywordtype" > bool< / span > allow_intrabc,< / div >
< div class = "line" > < a name = "l01321" > < / a > < span class = "lineno" > 1321< / span >   BitReader* reader) {< / div >
< div class = "line" > < a name = "l01322" > < / a > < span class = "lineno" > 1322< / span >   < span class = "keywordflow" > if< / span > (all_lossless || allow_intrabc || !sequence_header_.enable_restoration)< / div >
< div class = "line" > < a name = "l01323" > < / a > < span class = "lineno" > 1323< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01324" > < / a > < span class = "lineno" > 1324< / span >   < / div >
< div class = "line" > < a name = "l01325" > < / a > < span class = "lineno" > 1325< / span >   < span class = "keyword" > enum< / span > FrameRestorationType {< / div >
< div class = "line" > < a name = "l01326" > < / a > < span class = "lineno" > 1326< / span >   RESTORE_NONE = 0,< / div >
< div class = "line" > < a name = "l01327" > < / a > < span class = "lineno" > 1327< / span >   RESTORE_SWITCHABLE = 3,< / div >
< div class = "line" > < a name = "l01328" > < / a > < span class = "lineno" > 1328< / span >   RESTORE_WIENER = 1,< / div >
< div class = "line" > < a name = "l01329" > < / a > < span class = "lineno" > 1329< / span >   RESTORE_SGRPROJ = 2,< / div >
< div class = "line" > < a name = "l01330" > < / a > < span class = "lineno" > 1330< / span >   };< / div >
< div class = "line" > < a name = "l01331" > < / a > < span class = "lineno" > 1331< / span >   < span class = "keyword" > static< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kRemapLrType[4] = {RESTORE_NONE, RESTORE_SWITCHABLE,< / div >
< div class = "line" > < a name = "l01332" > < / a > < span class = "lineno" > 1332< / span >   RESTORE_WIENER, RESTORE_SGRPROJ};< / div >
< div class = "line" > < a name = "l01333" > < / a > < span class = "lineno" > 1333< / span >   < span class = "keywordtype" > bool< / span > uses_lr = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01334" > < / a > < span class = "lineno" > 1334< / span >   < span class = "keywordtype" > bool< / span > uses_chroma_lr = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01335" > < / a > < span class = "lineno" > 1335< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < sequence_header_.color_config.num_planes; i++) {< / div >
< div class = "line" > < a name = "l01336" > < / a > < span class = "lineno" > 1336< / span >   < span class = "keywordtype" > int< / span > lr_type = 0;< / div >
< div class = "line" > < a name = "l01337" > < / a > < span class = "lineno" > 1337< / span >   RCHECK(reader-> ReadBits(2, & lr_type));< / div >
< div class = "line" > < a name = "l01338" > < / a > < span class = "lineno" > 1338< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > frame_restoration_type = kRemapLrType[lr_type];< / div >
< div class = "line" > < a name = "l01339" > < / a > < span class = "lineno" > 1339< / span >   < span class = "keywordflow" > if< / span > (frame_restoration_type != RESTORE_NONE) {< / div >
< div class = "line" > < a name = "l01340" > < / a > < span class = "lineno" > 1340< / span >   uses_lr = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01341" > < / a > < span class = "lineno" > 1341< / span >   < span class = "keywordflow" > if< / span > (i > 0)< / div >
< div class = "line" > < a name = "l01342" > < / a > < span class = "lineno" > 1342< / span >   uses_chroma_lr = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01343" > < / a > < span class = "lineno" > 1343< / span >   }< / div >
< div class = "line" > < a name = "l01344" > < / a > < span class = "lineno" > 1344< / span >   }< / div >
< div class = "line" > < a name = "l01345" > < / a > < span class = "lineno" > 1345< / span >   < / div >
< div class = "line" > < a name = "l01346" > < / a > < span class = "lineno" > 1346< / span >   < span class = "keywordflow" > if< / span > (uses_lr) {< / div >
< div class = "line" > < a name = "l01347" > < / a > < span class = "lineno" > 1347< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.use_128x128_superblock) {< / div >
< div class = "line" > < a name = "l01348" > < / a > < span class = "lineno" > 1348< / span >   < span class = "comment" > // Skip lr_unit_shift.< / span > < / div >
< div class = "line" > < a name = "l01349" > < / a > < span class = "lineno" > 1349< / span >   RCHECK(reader-> SkipBits(1));< / div >
< div class = "line" > < a name = "l01350" > < / a > < span class = "lineno" > 1350< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01351" > < / a > < span class = "lineno" > 1351< / span >   < span class = "comment" > // Skip lr_unit_shift, lr_unit_extra_shift.< / span > < / div >
< div class = "line" > < a name = "l01352" > < / a > < span class = "lineno" > 1352< / span >   RCHECK(reader-> SkipBitsConditional(< span class = "keyword" > true< / span > , 1));< / div >
< div class = "line" > < a name = "l01353" > < / a > < span class = "lineno" > 1353< / span >   }< / div >
< div class = "line" > < a name = "l01354" > < / a > < span class = "lineno" > 1354< / span >   < span class = "keywordflow" > if< / span > (sequence_header_.color_config.subsampling_x & & < / div >
< div class = "line" > < a name = "l01355" > < / a > < span class = "lineno" > 1355< / span >   sequence_header_.color_config.subsampling_y & & uses_chroma_lr) {< / div >
< div class = "line" > < a name = "l01356" > < / a > < span class = "lineno" > 1356< / span >   < span class = "comment" > // Skip lr_uv_shift.< / span > < / div >
< div class = "line" > < a name = "l01357" > < / a > < span class = "lineno" > 1357< / span >   RCHECK(reader-> SkipBits(1));< / div >
< div class = "line" > < a name = "l01358" > < / a > < span class = "lineno" > 1358< / span >   }< / div >
< div class = "line" > < a name = "l01359" > < / a > < span class = "lineno" > 1359< / span >   }< / div >
< div class = "line" > < a name = "l01360" > < / a > < span class = "lineno" > 1360< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01361" > < / a > < span class = "lineno" > 1361< / span >   }< / div >
< div class = "line" > < a name = "l01362" > < / a > < span class = "lineno" > 1362< / span >   < / div >
< div class = "line" > < a name = "l01363" > < / a > < span class = "lineno" > 1363< / span >   < span class = "comment" > // 5.9.21. TX mode syntax.< / span > < / div >
< div class = "line" > < a name = "l01364" > < / a > < span class = "lineno" > 1364< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::SkipTxMode(< span class = "keywordtype" > bool< / span > coded_lossless, BitReader* reader) {< / div >
< div class = "line" > < a name = "l01365" > < / a > < span class = "lineno" > 1365< / span >   < span class = "keywordflow" > if< / span > (!coded_lossless) {< / div >
< div class = "line" > < a name = "l01366" > < / a > < span class = "lineno" > 1366< / span >   < span class = "comment" > // Skip tx_mode_select.< / span > < / div >
< div class = "line" > < a name = "l01367" > < / a > < span class = "lineno" > 1367< / span >   RCHECK(reader-> SkipBits(1));< / div >
< div class = "line" > < a name = "l01368" > < / a > < span class = "lineno" > 1368< / span >   }< / div >
< div class = "line" > < a name = "l01369" > < / a > < span class = "lineno" > 1369< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01370" > < / a > < span class = "lineno" > 1370< / span >   }< / div >
< div class = "line" > < a name = "l01371" > < / a > < span class = "lineno" > 1371< / span >   < / div >
< div class = "line" > < a name = "l01372" > < / a > < span class = "lineno" > 1372< / span >   < span class = "comment" > // 5.9.22. Skip mode params syntax.< / span > < / div >
< div class = "line" > < a name = "l01373" > < / a > < span class = "lineno" > 1373< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::SkipSkipModeParams(< span class = "keywordtype" > bool< / span > frame_is_intra,< / div >
< div class = "line" > < a name = "l01374" > < / a > < span class = "lineno" > 1374< / span >   < span class = "keywordtype" > bool< / span > reference_select,< / div >
< div class = "line" > < a name = "l01375" > < / a > < span class = "lineno" > 1375< / span >   BitReader* reader) {< / div >
< div class = "line" > < a name = "l01376" > < / a > < span class = "lineno" > 1376< / span >   < span class = "keywordtype" > bool< / span > skip_mode_allowed = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01377" > < / a > < span class = "lineno" > 1377< / span >   < span class = "keywordflow" > if< / span > (frame_is_intra || !reference_select ||< / div >
< div class = "line" > < a name = "l01378" > < / a > < span class = "lineno" > 1378< / span >   !sequence_header_.enable_order_hint) {< / div >
< div class = "line" > < a name = "l01379" > < / a > < span class = "lineno" > 1379< / span >   skip_mode_allowed = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01380" > < / a > < span class = "lineno" > 1380< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01381" > < / a > < span class = "lineno" > 1381< / span >   < span class = "keywordtype" > int< / span > forward_idx = -1;< / div >
< div class = "line" > < a name = "l01382" > < / a > < span class = "lineno" > 1382< / span >   < span class = "keywordtype" > int< / span > forward_hint = 0;< / div >
< div class = "line" > < a name = "l01383" > < / a > < span class = "lineno" > 1383< / span >   < span class = "keywordtype" > int< / span > backward_idx = -1;< / div >
< div class = "line" > < a name = "l01384" > < / a > < span class = "lineno" > 1384< / span >   < span class = "keywordtype" > int< / span > backward_hint = 0;< / div >
< div class = "line" > < a name = "l01385" > < / a > < span class = "lineno" > 1385< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < kRefsPerFrame; i++) {< / div >
< div class = "line" > < a name = "l01386" > < / a > < span class = "lineno" > 1386< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > ref_hint =< / div >
< div class = "line" > < a name = "l01387" > < / a > < span class = "lineno" > 1387< / span >   reference_frames_[frame_header_.ref_frame_idx[i]].order_hint;< / div >
< div class = "line" > < a name = "l01388" > < / a > < span class = "lineno" > 1388< / span >   < span class = "keywordflow" > if< / span > (GetRelativeDist(ref_hint, frame_header_.order_hint) < 0) {< / div >
< div class = "line" > < a name = "l01389" > < / a > < span class = "lineno" > 1389< / span >   < span class = "keywordflow" > if< / span > (forward_idx < 0 || GetRelativeDist(ref_hint, forward_hint) > 0) {< / div >
< div class = "line" > < a name = "l01390" > < / a > < span class = "lineno" > 1390< / span >   forward_idx = i;< / div >
< div class = "line" > < a name = "l01391" > < / a > < span class = "lineno" > 1391< / span >   forward_hint = ref_hint;< / div >
< div class = "line" > < a name = "l01392" > < / a > < span class = "lineno" > 1392< / span >   }< / div >
< div class = "line" > < a name = "l01393" > < / a > < span class = "lineno" > 1393< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (GetRelativeDist(ref_hint, frame_header_.order_hint) > 0) {< / div >
< div class = "line" > < a name = "l01394" > < / a > < span class = "lineno" > 1394< / span >   < span class = "keywordflow" > if< / span > (backward_idx < 0 || GetRelativeDist(ref_hint, backward_hint) < 0) {< / div >
< div class = "line" > < a name = "l01395" > < / a > < span class = "lineno" > 1395< / span >   backward_idx = i;< / div >
< div class = "line" > < a name = "l01396" > < / a > < span class = "lineno" > 1396< / span >   backward_hint = ref_hint;< / div >
< div class = "line" > < a name = "l01397" > < / a > < span class = "lineno" > 1397< / span >   }< / div >
< div class = "line" > < a name = "l01398" > < / a > < span class = "lineno" > 1398< / span >   }< / div >
< div class = "line" > < a name = "l01399" > < / a > < span class = "lineno" > 1399< / span >   }< / div >
< div class = "line" > < a name = "l01400" > < / a > < span class = "lineno" > 1400< / span >   < span class = "keywordflow" > if< / span > (forward_idx < 0) {< / div >
< div class = "line" > < a name = "l01401" > < / a > < span class = "lineno" > 1401< / span >   skip_mode_allowed = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01402" > < / a > < span class = "lineno" > 1402< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (backward_idx > = 0) {< / div >
< div class = "line" > < a name = "l01403" > < / a > < span class = "lineno" > 1403< / span >   skip_mode_allowed = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01404" > < / a > < span class = "lineno" > 1404< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01405" > < / a > < span class = "lineno" > 1405< / span >   < span class = "keywordtype" > int< / span > second_forward_idx = -1;< / div >
< div class = "line" > < a name = "l01406" > < / a > < span class = "lineno" > 1406< / span >   < span class = "keywordtype" > int< / span > second_forward_hint = 0;< / div >
< div class = "line" > < a name = "l01407" > < / a > < span class = "lineno" > 1407< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < kRefsPerFrame; i++) {< / div >
< div class = "line" > < a name = "l01408" > < / a > < span class = "lineno" > 1408< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > ref_hint =< / div >
< div class = "line" > < a name = "l01409" > < / a > < span class = "lineno" > 1409< / span >   reference_frames_[frame_header_.ref_frame_idx[i]].order_hint;< / div >
< div class = "line" > < a name = "l01410" > < / a > < span class = "lineno" > 1410< / span >   < span class = "keywordflow" > if< / span > (GetRelativeDist(ref_hint, forward_hint) < 0) {< / div >
< div class = "line" > < a name = "l01411" > < / a > < span class = "lineno" > 1411< / span >   < span class = "keywordflow" > if< / span > (second_forward_idx < 0 ||< / div >
< div class = "line" > < a name = "l01412" > < / a > < span class = "lineno" > 1412< / span >   GetRelativeDist(ref_hint, second_forward_hint) > 0) {< / div >
< div class = "line" > < a name = "l01413" > < / a > < span class = "lineno" > 1413< / span >   second_forward_idx = i;< / div >
< div class = "line" > < a name = "l01414" > < / a > < span class = "lineno" > 1414< / span >   second_forward_hint = ref_hint;< / div >
< div class = "line" > < a name = "l01415" > < / a > < span class = "lineno" > 1415< / span >   }< / div >
< div class = "line" > < a name = "l01416" > < / a > < span class = "lineno" > 1416< / span >   }< / div >
< div class = "line" > < a name = "l01417" > < / a > < span class = "lineno" > 1417< / span >   }< / div >
< div class = "line" > < a name = "l01418" > < / a > < span class = "lineno" > 1418< / span >   skip_mode_allowed = second_forward_idx > = 0;< / div >
< div class = "line" > < a name = "l01419" > < / a > < span class = "lineno" > 1419< / span >   }< / div >
< div class = "line" > < a name = "l01420" > < / a > < span class = "lineno" > 1420< / span >   }< / div >
< div class = "line" > < a name = "l01421" > < / a > < span class = "lineno" > 1421< / span >   < / div >
< div class = "line" > < a name = "l01422" > < / a > < span class = "lineno" > 1422< / span >   < span class = "keywordflow" > if< / span > (skip_mode_allowed) {< / div >
< div class = "line" > < a name = "l01423" > < / a > < span class = "lineno" > 1423< / span >   < span class = "comment" > // Skip skip_mode_present.< / span > < / div >
< div class = "line" > < a name = "l01424" > < / a > < span class = "lineno" > 1424< / span >   RCHECK(reader-> SkipBits(1));< / div >
< div class = "line" > < a name = "l01425" > < / a > < span class = "lineno" > 1425< / span >   }< / div >
< div class = "line" > < a name = "l01426" > < / a > < span class = "lineno" > 1426< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01427" > < / a > < span class = "lineno" > 1427< / span >   }< / div >
< div class = "line" > < a name = "l01428" > < / a > < span class = "lineno" > 1428< / span >   < / div >
< div class = "line" > < a name = "l01429" > < / a > < span class = "lineno" > 1429< / span >   < span class = "comment" > // 5.9.23. Frame reference mode syntax.< / span > < / div >
< div class = "line" > < a name = "l01430" > < / a > < span class = "lineno" > 1430< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseFrameReferenceMode(< span class = "keywordtype" > bool< / span > frame_is_intra,< / div >
< div class = "line" > < a name = "l01431" > < / a > < span class = "lineno" > 1431< / span >   BitReader* reader,< / div >
< div class = "line" > < a name = "l01432" > < / a > < span class = "lineno" > 1432< / span >   < span class = "keywordtype" > bool< / span > * reference_select) {< / div >
< div class = "line" > < a name = "l01433" > < / a > < span class = "lineno" > 1433< / span >   < span class = "keywordflow" > if< / span > (frame_is_intra)< / div >
< div class = "line" > < a name = "l01434" > < / a > < span class = "lineno" > 1434< / span >   *reference_select = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01435" > < / a > < span class = "lineno" > 1435< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l01436" > < / a > < span class = "lineno" > 1436< / span >   RCHECK(reader-> ReadBits(1, reference_select));< / div >
< div class = "line" > < a name = "l01437" > < / a > < span class = "lineno" > 1437< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01438" > < / a > < span class = "lineno" > 1438< / span >   }< / div >
< div class = "line" > < a name = "l01439" > < / a > < span class = "lineno" > 1439< / span >   < / div >
< div class = "line" > < a name = "l01440" > < / a > < span class = "lineno" > 1440< / span >   < span class = "comment" > // 5.9.24. Global motion params syntax.< / span > < / div >
< div class = "line" > < a name = "l01441" > < / a > < span class = "lineno" > 1441< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::SkipGlobalMotionParams(< span class = "keywordtype" > bool< / span > frame_is_intra,< / div >
< div class = "line" > < a name = "l01442" > < / a > < span class = "lineno" > 1442< / span >   < span class = "keywordtype" > bool< / span > allow_high_precision_mv,< / div >
< div class = "line" > < a name = "l01443" > < / a > < span class = "lineno" > 1443< / span >   BitReader* reader) {< / div >
< div class = "line" > < a name = "l01444" > < / a > < span class = "lineno" > 1444< / span >   < span class = "keywordflow" > if< / span > (frame_is_intra)< / div >
< div class = "line" > < a name = "l01445" > < / a > < span class = "lineno" > 1445< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01446" > < / a > < span class = "lineno" > 1446< / span >   < / div >
< div class = "line" > < a name = "l01447" > < / a > < span class = "lineno" > 1447< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > ref = LAST_FRAME; ref < = ALTREF_FRAME; ref++) {< / div >
< div class = "line" > < a name = "l01448" > < / a > < span class = "lineno" > 1448< / span >   < span class = "keywordtype" > int< / span > type = 0;< / div >
< div class = "line" > < a name = "l01449" > < / a > < span class = "lineno" > 1449< / span >   < / div >
< div class = "line" > < a name = "l01450" > < / a > < span class = "lineno" > 1450< / span >   < span class = "keywordtype" > bool< / span > is_global = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01451" > < / a > < span class = "lineno" > 1451< / span >   RCHECK(reader-> ReadBits(1, & is_global));< / div >
< div class = "line" > < a name = "l01452" > < / a > < span class = "lineno" > 1452< / span >   < span class = "keywordflow" > if< / span > (is_global) {< / div >
< div class = "line" > < a name = "l01453" > < / a > < span class = "lineno" > 1453< / span >   < span class = "keywordtype" > bool< / span > is_rot_zoom = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01454" > < / a > < span class = "lineno" > 1454< / span >   RCHECK(reader-> ReadBits(1, & is_rot_zoom));< / div >
< div class = "line" > < a name = "l01455" > < / a > < span class = "lineno" > 1455< / span >   < span class = "keywordflow" > if< / span > (is_rot_zoom) {< / div >
< div class = "line" > < a name = "l01456" > < / a > < span class = "lineno" > 1456< / span >   type = ROTZOOM;< / div >
< div class = "line" > < a name = "l01457" > < / a > < span class = "lineno" > 1457< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01458" > < / a > < span class = "lineno" > 1458< / span >   < span class = "keywordtype" > bool< / span > is_translation = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01459" > < / a > < span class = "lineno" > 1459< / span >   RCHECK(reader-> ReadBits(1, & is_translation));< / div >
< div class = "line" > < a name = "l01460" > < / a > < span class = "lineno" > 1460< / span >   type = is_translation ? TRANSLATION : AFFINE;< / div >
< div class = "line" > < a name = "l01461" > < / a > < span class = "lineno" > 1461< / span >   }< / div >
< div class = "line" > < a name = "l01462" > < / a > < span class = "lineno" > 1462< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01463" > < / a > < span class = "lineno" > 1463< / span >   type = IDENTITY;< / div >
< div class = "line" > < a name = "l01464" > < / a > < span class = "lineno" > 1464< / span >   }< / div >
< div class = "line" > < a name = "l01465" > < / a > < span class = "lineno" > 1465< / span >   < / div >
< div class = "line" > < a name = "l01466" > < / a > < span class = "lineno" > 1466< / span >   < span class = "keywordflow" > if< / span > (type > = ROTZOOM) {< / div >
< div class = "line" > < a name = "l01467" > < / a > < span class = "lineno" > 1467< / span >   RCHECK(SkipGlobalParam(type, ref, 2, allow_high_precision_mv, reader));< / div >
< div class = "line" > < a name = "l01468" > < / a > < span class = "lineno" > 1468< / span >   RCHECK(SkipGlobalParam(type, ref, 3, allow_high_precision_mv, reader));< / div >
< div class = "line" > < a name = "l01469" > < / a > < span class = "lineno" > 1469< / span >   < span class = "keywordflow" > if< / span > (type == AFFINE) {< / div >
< div class = "line" > < a name = "l01470" > < / a > < span class = "lineno" > 1470< / span >   RCHECK(SkipGlobalParam(type, ref, 4, allow_high_precision_mv, reader));< / div >
< div class = "line" > < a name = "l01471" > < / a > < span class = "lineno" > 1471< / span >   RCHECK(SkipGlobalParam(type, ref, 5, allow_high_precision_mv, reader));< / div >
< div class = "line" > < a name = "l01472" > < / a > < span class = "lineno" > 1472< / span >   }< / div >
< div class = "line" > < a name = "l01473" > < / a > < span class = "lineno" > 1473< / span >   }< / div >
< div class = "line" > < a name = "l01474" > < / a > < span class = "lineno" > 1474< / span >   < span class = "keywordflow" > if< / span > (type > = TRANSLATION) {< / div >
< div class = "line" > < a name = "l01475" > < / a > < span class = "lineno" > 1475< / span >   RCHECK(SkipGlobalParam(type, ref, 0, allow_high_precision_mv, reader));< / div >
< div class = "line" > < a name = "l01476" > < / a > < span class = "lineno" > 1476< / span >   RCHECK(SkipGlobalParam(type, ref, 1, allow_high_precision_mv, reader));< / div >
< div class = "line" > < a name = "l01477" > < / a > < span class = "lineno" > 1477< / span >   }< / div >
< div class = "line" > < a name = "l01478" > < / a > < span class = "lineno" > 1478< / span >   }< / div >
< div class = "line" > < a name = "l01479" > < / a > < span class = "lineno" > 1479< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01480" > < / a > < span class = "lineno" > 1480< / span >   }< / div >
< div class = "line" > < a name = "l01481" > < / a > < span class = "lineno" > 1481< / span >   < / div >
< div class = "line" > < a name = "l01482" > < / a > < span class = "lineno" > 1482< / span >   < span class = "comment" > // 5.9.25. Global param syntax.< / span > < / div >
< div class = "line" > < a name = "l01483" > < / a > < span class = "lineno" > 1483< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::SkipGlobalParam(< span class = "keywordtype" > int< / span > type,< / div >
< div class = "line" > < a name = "l01484" > < / a > < span class = "lineno" > 1484< / span >   < span class = "keywordtype" > int< / span > ref,< / div >
< div class = "line" > < a name = "l01485" > < / a > < span class = "lineno" > 1485< / span >   < span class = "keywordtype" > int< / span > idx,< / div >
< div class = "line" > < a name = "l01486" > < / a > < span class = "lineno" > 1486< / span >   < span class = "keywordtype" > bool< / span > allow_high_precision_mv,< / div >
< div class = "line" > < a name = "l01487" > < / a > < span class = "lineno" > 1487< / span >   BitReader* reader) {< / div >
< div class = "line" > < a name = "l01488" > < / a > < span class = "lineno" > 1488< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kGmAbsTransBits = 12;< / div >
< div class = "line" > < a name = "l01489" > < / a > < span class = "lineno" > 1489< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kGmAbsTransOnlyBits = 9;< / div >
< div class = "line" > < a name = "l01490" > < / a > < span class = "lineno" > 1490< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kGmAbsAlphaBits = 12;< / div >
< div class = "line" > < a name = "l01491" > < / a > < span class = "lineno" > 1491< / span >   < / div >
< div class = "line" > < a name = "l01492" > < / a > < span class = "lineno" > 1492< / span >   < span class = "keywordtype" > int< / span > abs_bits = kGmAbsAlphaBits;< / div >
< div class = "line" > < a name = "l01493" > < / a > < span class = "lineno" > 1493< / span >   < span class = "keywordflow" > if< / span > (idx < 2) {< / div >
< div class = "line" > < a name = "l01494" > < / a > < span class = "lineno" > 1494< / span >   < span class = "keywordflow" > if< / span > (type == TRANSLATION) {< / div >
< div class = "line" > < a name = "l01495" > < / a > < span class = "lineno" > 1495< / span >   abs_bits = kGmAbsTransOnlyBits - (allow_high_precision_mv ? 0 : 1);< / div >
< div class = "line" > < a name = "l01496" > < / a > < span class = "lineno" > 1496< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01497" > < / a > < span class = "lineno" > 1497< / span >   abs_bits = kGmAbsTransBits;< / div >
< div class = "line" > < a name = "l01498" > < / a > < span class = "lineno" > 1498< / span >   }< / div >
< div class = "line" > < a name = "l01499" > < / a > < span class = "lineno" > 1499< / span >   }< / div >
< div class = "line" > < a name = "l01500" > < / a > < span class = "lineno" > 1500< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > mx = 1 < < abs_bits;< / div >
< div class = "line" > < a name = "l01501" > < / a > < span class = "lineno" > 1501< / span >   RCHECK(SkipDecodeSignedSubexpWithRef(-mx, mx + 1, reader));< / div >
< div class = "line" > < a name = "l01502" > < / a > < span class = "lineno" > 1502< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01503" > < / a > < span class = "lineno" > 1503< / span >   }< / div >
< div class = "line" > < a name = "l01504" > < / a > < span class = "lineno" > 1504< / span >   < / div >
< div class = "line" > < a name = "l01505" > < / a > < span class = "lineno" > 1505< / span >   < span class = "comment" > // 5.9.26. Decode signed subexp with ref syntax.< / span > < / div >
< div class = "line" > < a name = "l01506" > < / a > < span class = "lineno" > 1506< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::SkipDecodeSignedSubexpWithRef(< span class = "keywordtype" > int< / span > low,< / div >
< div class = "line" > < a name = "l01507" > < / a > < span class = "lineno" > 1507< / span >   < span class = "keywordtype" > int< / span > high,< / div >
< div class = "line" > < a name = "l01508" > < / a > < span class = "lineno" > 1508< / span >   BitReader* reader) {< / div >
< div class = "line" > < a name = "l01509" > < / a > < span class = "lineno" > 1509< / span >   RCHECK(SkipDecodeUnsignedSubexpWithRef(high - low, reader));< / div >
< div class = "line" > < a name = "l01510" > < / a > < span class = "lineno" > 1510< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01511" > < / a > < span class = "lineno" > 1511< / span >   }< / div >
< div class = "line" > < a name = "l01512" > < / a > < span class = "lineno" > 1512< / span >   < / div >
< div class = "line" > < a name = "l01513" > < / a > < span class = "lineno" > 1513< / span >   < span class = "comment" > // 5.9.27. Decode unsigned subbexp with ref syntax.< / span > < / div >
< div class = "line" > < a name = "l01514" > < / a > < span class = "lineno" > 1514< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::SkipDecodeUnsignedSubexpWithRef(< span class = "keywordtype" > int< / span > mx, BitReader* reader) {< / div >
< div class = "line" > < a name = "l01515" > < / a > < span class = "lineno" > 1515< / span >   RCHECK(SkipDecodeSubexp(mx, reader));< / div >
< div class = "line" > < a name = "l01516" > < / a > < span class = "lineno" > 1516< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01517" > < / a > < span class = "lineno" > 1517< / span >   }< / div >
< div class = "line" > < a name = "l01518" > < / a > < span class = "lineno" > 1518< / span >   < / div >
< div class = "line" > < a name = "l01519" > < / a > < span class = "lineno" > 1519< / span >   < span class = "comment" > // 5.9.28. Decode subexp syntax.< / span > < / div >
< div class = "line" > < a name = "l01520" > < / a > < span class = "lineno" > 1520< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::SkipDecodeSubexp(< span class = "keywordtype" > int< / span > num_syms, BitReader* reader) {< / div >
< div class = "line" > < a name = "l01521" > < / a > < span class = "lineno" > 1521< / span >   < span class = "keywordtype" > int< / span > i = 0;< / div >
< div class = "line" > < a name = "l01522" > < / a > < span class = "lineno" > 1522< / span >   < span class = "keywordtype" > int< / span > mk = 0;< / div >
< div class = "line" > < a name = "l01523" > < / a > < span class = "lineno" > 1523< / span >   < span class = "keywordtype" > int< / span > k = 3;< / div >
< div class = "line" > < a name = "l01524" > < / a > < span class = "lineno" > 1524< / span >   < span class = "keywordflow" > while< / span > (< span class = "keyword" > true< / span > ) {< / div >
< div class = "line" > < a name = "l01525" > < / a > < span class = "lineno" > 1525< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > b2 = i ? (k + i - 1) : k;< / div >
< div class = "line" > < a name = "l01526" > < / a > < span class = "lineno" > 1526< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > a = 1 < < b2;< / div >
< div class = "line" > < a name = "l01527" > < / a > < span class = "lineno" > 1527< / span >   < span class = "keywordflow" > if< / span > (num_syms < = mk + 3 * a) {< / div >
< div class = "line" > < a name = "l01528" > < / a > < span class = "lineno" > 1528< / span >   < span class = "keywordtype" > int< / span > subexp_final_bits = 0;< / div >
< div class = "line" > < a name = "l01529" > < / a > < span class = "lineno" > 1529< / span >   RCHECK(ReadNs(num_syms - mk, reader, & subexp_final_bits));< / div >
< div class = "line" > < a name = "l01530" > < / a > < span class = "lineno" > 1530< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01531" > < / a > < span class = "lineno" > 1531< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01532" > < / a > < span class = "lineno" > 1532< / span >   < span class = "keywordtype" > bool< / span > subexp_more_bits = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01533" > < / a > < span class = "lineno" > 1533< / span >   RCHECK(reader-> ReadBits(1, & subexp_more_bits));< / div >
< div class = "line" > < a name = "l01534" > < / a > < span class = "lineno" > 1534< / span >   < span class = "keywordflow" > if< / span > (subexp_more_bits) {< / div >
< div class = "line" > < a name = "l01535" > < / a > < span class = "lineno" > 1535< / span >   i++;< / div >
< div class = "line" > < a name = "l01536" > < / a > < span class = "lineno" > 1536< / span >   mk += a;< / div >
< div class = "line" > < a name = "l01537" > < / a > < span class = "lineno" > 1537< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01538" > < / a > < span class = "lineno" > 1538< / span >   < span class = "comment" > // Skip subexp_bits.< / span > < / div >
< div class = "line" > < a name = "l01539" > < / a > < span class = "lineno" > 1539< / span >   RCHECK(reader-> SkipBits(b2));< / div >
< div class = "line" > < a name = "l01540" > < / a > < span class = "lineno" > 1540< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01541" > < / a > < span class = "lineno" > 1541< / span >   }< / div >
< div class = "line" > < a name = "l01542" > < / a > < span class = "lineno" > 1542< / span >   }< / div >
< div class = "line" > < a name = "l01543" > < / a > < span class = "lineno" > 1543< / span >   }< / div >
< div class = "line" > < a name = "l01544" > < / a > < span class = "lineno" > 1544< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01545" > < / a > < span class = "lineno" > 1545< / span >   }< / div >
< div class = "line" > < a name = "l01546" > < / a > < span class = "lineno" > 1546< / span >   < / div >
< div class = "line" > < a name = "l01547" > < / a > < span class = "lineno" > 1547< / span >   < span class = "comment" > // 5.9.30. Film grain params syntax.< / span > < / div >
< div class = "line" > < a name = "l01548" > < / a > < span class = "lineno" > 1548< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::SkipFilmGrainParams(< span class = "keywordtype" > bool< / span > show_frame,< / div >
< div class = "line" > < a name = "l01549" > < / a > < span class = "lineno" > 1549< / span >   < span class = "keywordtype" > bool< / span > showable_frame,< / div >
< div class = "line" > < a name = "l01550" > < / a > < span class = "lineno" > 1550< / span >   BitReader* reader) {< / div >
< div class = "line" > < a name = "l01551" > < / a > < span class = "lineno" > 1551< / span >   < span class = "keywordflow" > if< / span > (!sequence_header_.film_grain_params_present ||< / div >
< div class = "line" > < a name = "l01552" > < / a > < span class = "lineno" > 1552< / span >   (!show_frame & & !showable_frame)) {< / div >
< div class = "line" > < a name = "l01553" > < / a > < span class = "lineno" > 1553< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01554" > < / a > < span class = "lineno" > 1554< / span >   }< / div >
< div class = "line" > < a name = "l01555" > < / a > < span class = "lineno" > 1555< / span >   < / div >
< div class = "line" > < a name = "l01556" > < / a > < span class = "lineno" > 1556< / span >   < span class = "keywordtype" > bool< / span > apply_grain = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01557" > < / a > < span class = "lineno" > 1557< / span >   RCHECK(reader-> ReadBits(1, & apply_grain));< / div >
< div class = "line" > < a name = "l01558" > < / a > < span class = "lineno" > 1558< / span >   < span class = "keywordflow" > if< / span > (!apply_grain)< / div >
< div class = "line" > < a name = "l01559" > < / a > < span class = "lineno" > 1559< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01560" > < / a > < span class = "lineno" > 1560< / span >   < / div >
< div class = "line" > < a name = "l01561" > < / a > < span class = "lineno" > 1561< / span >   < span class = "comment" > // Skip grain_seed.< / span > < / div >
< div class = "line" > < a name = "l01562" > < / a > < span class = "lineno" > 1562< / span >   RCHECK(reader-> SkipBits(16));< / div >
< div class = "line" > < a name = "l01563" > < / a > < span class = "lineno" > 1563< / span >   < span class = "keywordtype" > bool< / span > update_grain = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01564" > < / a > < span class = "lineno" > 1564< / span >   < span class = "keywordflow" > if< / span > (frame_header_.frame_type == INTER_FRAME)< / div >
< div class = "line" > < a name = "l01565" > < / a > < span class = "lineno" > 1565< / span >   RCHECK(reader-> ReadBits(1, & update_grain));< / div >
< div class = "line" > < a name = "l01566" > < / a > < span class = "lineno" > 1566< / span >   < span class = "keywordflow" > if< / span > (!update_grain) {< / div >
< div class = "line" > < a name = "l01567" > < / a > < span class = "lineno" > 1567< / span >   < span class = "comment" > // Skip film_grain_params_ref_idx.< / span > < / div >
< div class = "line" > < a name = "l01568" > < / a > < span class = "lineno" > 1568< / span >   RCHECK(reader-> SkipBits(3));< / div >
< div class = "line" > < a name = "l01569" > < / a > < span class = "lineno" > 1569< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01570" > < / a > < span class = "lineno" > 1570< / span >   }< / div >
< div class = "line" > < a name = "l01571" > < / a > < span class = "lineno" > 1571< / span >   < / div >
< div class = "line" > < a name = "l01572" > < / a > < span class = "lineno" > 1572< / span >   < span class = "keywordtype" > int< / span > num_y_points = 0;< / div >
< div class = "line" > < a name = "l01573" > < / a > < span class = "lineno" > 1573< / span >   RCHECK(reader-> ReadBits(4, & num_y_points));< / div >
< div class = "line" > < a name = "l01574" > < / a > < span class = "lineno" > 1574< / span >   < span class = "comment" > // Skip point_y_value, point_y_scaling.< / span > < / div >
< div class = "line" > < a name = "l01575" > < / a > < span class = "lineno" > 1575< / span >   RCHECK(reader-> SkipBits((8 + 8) * num_y_points));< / div >
< div class = "line" > < a name = "l01576" > < / a > < span class = "lineno" > 1576< / span >   < / div >
< div class = "line" > < a name = "l01577" > < / a > < span class = "lineno" > 1577< / span >   < span class = "keyword" > const< / span > ColorConfig& color_config = sequence_header_.color_config;< / div >
< div class = "line" > < a name = "l01578" > < / a > < span class = "lineno" > 1578< / span >   < span class = "keywordtype" > bool< / span > chroma_scaling_from_luma = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01579" > < / a > < span class = "lineno" > 1579< / span >   < span class = "keywordflow" > if< / span > (!color_config.mono_chrome)< / div >
< div class = "line" > < a name = "l01580" > < / a > < span class = "lineno" > 1580< / span >   RCHECK(reader-> ReadBits(1, & chroma_scaling_from_luma));< / div >
< div class = "line" > < a name = "l01581" > < / a > < span class = "lineno" > 1581< / span >   < span class = "keywordtype" > int< / span > num_cb_points = 0;< / div >
< div class = "line" > < a name = "l01582" > < / a > < span class = "lineno" > 1582< / span >   < span class = "keywordtype" > int< / span > num_cr_points = 0;< / div >
< div class = "line" > < a name = "l01583" > < / a > < span class = "lineno" > 1583< / span >   < span class = "keywordflow" > if< / span > (color_config.mono_chrome || chroma_scaling_from_luma ||< / div >
< div class = "line" > < a name = "l01584" > < / a > < span class = "lineno" > 1584< / span >   (color_config.subsampling_x & & color_config.subsampling_y & & < / div >
< div class = "line" > < a name = "l01585" > < / a > < span class = "lineno" > 1585< / span >   num_y_points == 0)) {< / div >
< div class = "line" > < a name = "l01586" > < / a > < span class = "lineno" > 1586< / span >   num_cb_points = 0;< / div >
< div class = "line" > < a name = "l01587" > < / a > < span class = "lineno" > 1587< / span >   num_cr_points = 0;< / div >
< div class = "line" > < a name = "l01588" > < / a > < span class = "lineno" > 1588< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01589" > < / a > < span class = "lineno" > 1589< / span >   RCHECK(reader-> ReadBits(4, & num_cb_points));< / div >
< div class = "line" > < a name = "l01590" > < / a > < span class = "lineno" > 1590< / span >   < span class = "comment" > // Skip point_cb_value, point_cb_scaling.< / span > < / div >
< div class = "line" > < a name = "l01591" > < / a > < span class = "lineno" > 1591< / span >   RCHECK(reader-> SkipBits((8 + 8) * num_cb_points));< / div >
< div class = "line" > < a name = "l01592" > < / a > < span class = "lineno" > 1592< / span >   RCHECK(reader-> ReadBits(4, & num_cr_points));< / div >
< div class = "line" > < a name = "l01593" > < / a > < span class = "lineno" > 1593< / span >   < span class = "comment" > // Skip point_cr_value, point_cr_scaling.< / span > < / div >
< div class = "line" > < a name = "l01594" > < / a > < span class = "lineno" > 1594< / span >   RCHECK(reader-> SkipBits((8 + 8) * num_cr_points));< / div >
< div class = "line" > < a name = "l01595" > < / a > < span class = "lineno" > 1595< / span >   }< / div >
< div class = "line" > < a name = "l01596" > < / a > < span class = "lineno" > 1596< / span >   < / div >
< div class = "line" > < a name = "l01597" > < / a > < span class = "lineno" > 1597< / span >   < span class = "comment" > // Skip grain_scaling_minus_8.< / span > < / div >
< div class = "line" > < a name = "l01598" > < / a > < span class = "lineno" > 1598< / span >   RCHECK(reader-> SkipBits(2));< / div >
< div class = "line" > < a name = "l01599" > < / a > < span class = "lineno" > 1599< / span >   < span class = "keywordtype" > int< / span > ar_coeff_lag = 0;< / div >
< div class = "line" > < a name = "l01600" > < / a > < span class = "lineno" > 1600< / span >   RCHECK(reader-> ReadBits(2, & ar_coeff_lag));< / div >
< div class = "line" > < a name = "l01601" > < / a > < span class = "lineno" > 1601< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_pos_luma = 2 * ar_coeff_lag * (ar_coeff_lag + 1);< / div >
< div class = "line" > < a name = "l01602" > < / a > < span class = "lineno" > 1602< / span >   < span class = "keywordtype" > int< / span > num_pos_chroma = num_pos_luma;< / div >
< div class = "line" > < a name = "l01603" > < / a > < span class = "lineno" > 1603< / span >   < span class = "keywordflow" > if< / span > (num_y_points) {< / div >
< div class = "line" > < a name = "l01604" > < / a > < span class = "lineno" > 1604< / span >   num_pos_chroma = num_pos_luma + 1;< / div >
< div class = "line" > < a name = "l01605" > < / a > < span class = "lineno" > 1605< / span >   < span class = "comment" > // Skip ar_coeffs_y_plus_128.< / span > < / div >
< div class = "line" > < a name = "l01606" > < / a > < span class = "lineno" > 1606< / span >   RCHECK(reader-> SkipBits(8 * num_pos_luma));< / div >
< div class = "line" > < a name = "l01607" > < / a > < span class = "lineno" > 1607< / span >   }< / div >
< div class = "line" > < a name = "l01608" > < / a > < span class = "lineno" > 1608< / span >   < span class = "keywordflow" > if< / span > (chroma_scaling_from_luma || num_cb_points) {< / div >
< div class = "line" > < a name = "l01609" > < / a > < span class = "lineno" > 1609< / span >   < span class = "comment" > // Skip ar_coeffs_cb_plus_128.< / span > < / div >
< div class = "line" > < a name = "l01610" > < / a > < span class = "lineno" > 1610< / span >   RCHECK(reader-> SkipBits(8 * num_pos_chroma));< / div >
< div class = "line" > < a name = "l01611" > < / a > < span class = "lineno" > 1611< / span >   }< / div >
< div class = "line" > < a name = "l01612" > < / a > < span class = "lineno" > 1612< / span >   < span class = "keywordflow" > if< / span > (chroma_scaling_from_luma || num_cr_points) {< / div >
< div class = "line" > < a name = "l01613" > < / a > < span class = "lineno" > 1613< / span >   < span class = "comment" > // Skip ar_coeffs_cb_plus_128.< / span > < / div >
< div class = "line" > < a name = "l01614" > < / a > < span class = "lineno" > 1614< / span >   RCHECK(reader-> SkipBits(8 * num_pos_chroma));< / div >
< div class = "line" > < a name = "l01615" > < / a > < span class = "lineno" > 1615< / span >   }< / div >
< div class = "line" > < a name = "l01616" > < / a > < span class = "lineno" > 1616< / span >   < / div >
< div class = "line" > < a name = "l01617" > < / a > < span class = "lineno" > 1617< / span >   < span class = "comment" > // Skip ar_coeff_shift_minus_6, grain_scale_shift.< / span > < / div >
< div class = "line" > < a name = "l01618" > < / a > < span class = "lineno" > 1618< / span >   RCHECK(reader-> SkipBits(2 + 2));< / div >
< div class = "line" > < a name = "l01619" > < / a > < span class = "lineno" > 1619< / span >   < span class = "keywordflow" > if< / span > (num_cb_points) {< / div >
< div class = "line" > < a name = "l01620" > < / a > < span class = "lineno" > 1620< / span >   < span class = "comment" > // Skip cb_mult, cb_luma_mult, cb_offset.< / span > < / div >
< div class = "line" > < a name = "l01621" > < / a > < span class = "lineno" > 1621< / span >   RCHECK(reader-> SkipBits(8 + 8 + 9));< / div >
< div class = "line" > < a name = "l01622" > < / a > < span class = "lineno" > 1622< / span >   }< / div >
< div class = "line" > < a name = "l01623" > < / a > < span class = "lineno" > 1623< / span >   < span class = "keywordflow" > if< / span > (num_cr_points) {< / div >
< div class = "line" > < a name = "l01624" > < / a > < span class = "lineno" > 1624< / span >   < span class = "comment" > // Skip cr_mult, cr_luma_mult, cr_offset.< / span > < / div >
< div class = "line" > < a name = "l01625" > < / a > < span class = "lineno" > 1625< / span >   RCHECK(reader-> SkipBits(8 + 8 + 9));< / div >
< div class = "line" > < a name = "l01626" > < / a > < span class = "lineno" > 1626< / span >   }< / div >
< div class = "line" > < a name = "l01627" > < / a > < span class = "lineno" > 1627< / span >   < span class = "comment" > // Skip overlap_flag, clip_restricted_range.< / span > < / div >
< div class = "line" > < a name = "l01628" > < / a > < span class = "lineno" > 1628< / span >   RCHECK(reader-> SkipBits(1 + 1));< / div >
< div class = "line" > < a name = "l01629" > < / a > < span class = "lineno" > 1629< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01630" > < / a > < span class = "lineno" > 1630< / span >   }< / div >
< div class = "line" > < a name = "l01631" > < / a > < span class = "lineno" > 1631< / span >   < / div >
< div class = "line" > < a name = "l01632" > < / a > < span class = "lineno" > 1632< / span >   < span class = "comment" > // 5.9.31. Temporal point info syntax.< / span > < / div >
< div class = "line" > < a name = "l01633" > < / a > < span class = "lineno" > 1633< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::SkipTemporalPointInfo(BitReader* reader) {< / div >
< div class = "line" > < a name = "l01634" > < / a > < span class = "lineno" > 1634< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > frame_presentation_time_length =< / div >
< div class = "line" > < a name = "l01635" > < / a > < span class = "lineno" > 1635< / span >   sequence_header_.decoder_model_info< / div >
< div class = "line" > < a name = "l01636" > < / a > < span class = "lineno" > 1636< / span >   .frame_presentation_time_length_minus_1 +< / div >
< div class = "line" > < a name = "l01637" > < / a > < span class = "lineno" > 1637< / span >   1;< / div >
< div class = "line" > < a name = "l01638" > < / a > < span class = "lineno" > 1638< / span >   < span class = "comment" > // Skip frame_presentation_time.< / span > < / div >
< div class = "line" > < a name = "l01639" > < / a > < span class = "lineno" > 1639< / span >   RCHECK(reader-> SkipBits(frame_presentation_time_length));< / div >
< div class = "line" > < a name = "l01640" > < / a > < span class = "lineno" > 1640< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01641" > < / a > < span class = "lineno" > 1641< / span >   }< / div >
< div class = "line" > < a name = "l01642" > < / a > < span class = "lineno" > 1642< / span >   < / div >
< div class = "line" > < a name = "l01643" > < / a > < span class = "lineno" > 1643< / span >   < span class = "comment" > // 5.10. Frame OBU syntax.< / span > < / div >
< div class = "line" > < a name = "l01644" > < / a > < span class = "lineno" > 1644< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseFrameObu(< span class = "keyword" > const< / span > ObuHeader& obu_header,< / div >
< div class = "line" > < a name = "l01645" > < / a > < span class = "lineno" > 1645< / span >   < span class = "keywordtype" > size_t< / span > size,< / div >
< div class = "line" > < a name = "l01646" > < / a > < span class = "lineno" > 1646< / span >   BitReader* reader,< / div >
< div class = "line" > < a name = "l01647" > < / a > < span class = "lineno" > 1647< / span >   std::vector< Tile> * tiles) {< / div >
< div class = "line" > < a name = "l01648" > < / a > < span class = "lineno" > 1648< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > start_bit_pos = reader-> bit_position();< / div >
< div class = "line" > < a name = "l01649" > < / a > < span class = "lineno" > 1649< / span >   RCHECK(ParseFrameHeaderObu(obu_header, reader));< / div >
< div class = "line" > < a name = "l01650" > < / a > < span class = "lineno" > 1650< / span >   RCHECK(ByteAlignment(reader));< / div >
< div class = "line" > < a name = "l01651" > < / a > < span class = "lineno" > 1651< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > end_bit_pos = reader-> bit_position();< / div >
< div class = "line" > < a name = "l01652" > < / a > < span class = "lineno" > 1652< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > header_bytes = (end_bit_pos - start_bit_pos) / 8;< / div >
< div class = "line" > < a name = "l01653" > < / a > < span class = "lineno" > 1653< / span >   RCHECK(ParseTileGroupObu(size - header_bytes, reader, tiles));< / div >
< div class = "line" > < a name = "l01654" > < / a > < span class = "lineno" > 1654< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01655" > < / a > < span class = "lineno" > 1655< / span >   }< / div >
< div class = "line" > < a name = "l01656" > < / a > < span class = "lineno" > 1656< / span >   < / div >
< div class = "line" > < a name = "l01657" > < / a > < span class = "lineno" > 1657< / span >   < span class = "comment" > // 5.11.1. General tile group OBU syntax.< / span > < / div >
< div class = "line" > < a name = "l01658" > < / a > < span class = "lineno" > 1658< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::ParseTileGroupObu(< span class = "keywordtype" > size_t< / span > size,< / div >
< div class = "line" > < a name = "l01659" > < / a > < span class = "lineno" > 1659< / span >   BitReader* reader,< / div >
< div class = "line" > < a name = "l01660" > < / a > < span class = "lineno" > 1660< / span >   std::vector< Tile> * tiles) {< / div >
< div class = "line" > < a name = "l01661" > < / a > < span class = "lineno" > 1661< / span >   < span class = "keyword" > const< / span > TileInfo& tile_info = frame_header_.tile_info;< / div >
< div class = "line" > < a name = "l01662" > < / a > < span class = "lineno" > 1662< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > start_bit_pos = reader-> bit_position();< / div >
< div class = "line" > < a name = "l01663" > < / a > < span class = "lineno" > 1663< / span >   < / div >
< div class = "line" > < a name = "l01664" > < / a > < span class = "lineno" > 1664< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > num_tiles = tile_info.tile_cols * tile_info.tile_rows;< / div >
< div class = "line" > < a name = "l01665" > < / a > < span class = "lineno" > 1665< / span >   < span class = "keywordtype" > bool< / span > tile_start_and_end_present_flag = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01666" > < / a > < span class = "lineno" > 1666< / span >   < span class = "keywordflow" > if< / span > (num_tiles > 1)< / div >
< div class = "line" > < a name = "l01667" > < / a > < span class = "lineno" > 1667< / span >   RCHECK(reader-> ReadBits(1, & tile_start_and_end_present_flag));< / div >
< div class = "line" > < a name = "l01668" > < / a > < span class = "lineno" > 1668< / span >   < / div >
< div class = "line" > < a name = "l01669" > < / a > < span class = "lineno" > 1669< / span >   < span class = "keywordtype" > int< / span > tg_start = 0;< / div >
< div class = "line" > < a name = "l01670" > < / a > < span class = "lineno" > 1670< / span >   < span class = "keywordtype" > int< / span > tg_end = num_tiles - 1;< / div >
< div class = "line" > < a name = "l01671" > < / a > < span class = "lineno" > 1671< / span >   < span class = "keywordflow" > if< / span > (num_tiles > 1 & & tile_start_and_end_present_flag) {< / div >
< div class = "line" > < a name = "l01672" > < / a > < span class = "lineno" > 1672< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > tile_bits = tile_info.tile_cols_log2 + tile_info.tile_rows_log2;< / div >
< div class = "line" > < a name = "l01673" > < / a > < span class = "lineno" > 1673< / span >   RCHECK(reader-> ReadBits(tile_bits, & tg_start));< / div >
< div class = "line" > < a name = "l01674" > < / a > < span class = "lineno" > 1674< / span >   RCHECK(reader-> ReadBits(tile_bits, & tg_end));< / div >
< div class = "line" > < a name = "l01675" > < / a > < span class = "lineno" > 1675< / span >   }< / div >
< div class = "line" > < a name = "l01676" > < / a > < span class = "lineno" > 1676< / span >   RCHECK(ByteAlignment(reader));< / div >
< div class = "line" > < a name = "l01677" > < / a > < span class = "lineno" > 1677< / span >   < / div >
< div class = "line" > < a name = "l01678" > < / a > < span class = "lineno" > 1678< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > end_bit_pos = reader-> bit_position();< / div >
< div class = "line" > < a name = "l01679" > < / a > < span class = "lineno" > 1679< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > header_bytes = (end_bit_pos - start_bit_pos) / 8;< / div >
< div class = "line" > < a name = "l01680" > < / a > < span class = "lineno" > 1680< / span >   size -= header_bytes;< / div >
< div class = "line" > < a name = "l01681" > < / a > < span class = "lineno" > 1681< / span >   < / div >
< div class = "line" > < a name = "l01682" > < / a > < span class = "lineno" > 1682< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > tile_num = tg_start; tile_num < = tg_end; tile_num++) {< / div >
< div class = "line" > < a name = "l01683" > < / a > < span class = "lineno" > 1683< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > last_tile = tile_num == tg_end;< / div >
< div class = "line" > < a name = "l01684" > < / a > < span class = "lineno" > 1684< / span >   < span class = "keywordtype" > size_t< / span > tile_size = size;< / div >
< div class = "line" > < a name = "l01685" > < / a > < span class = "lineno" > 1685< / span >   < span class = "keywordflow" > if< / span > (!last_tile) {< / div >
< div class = "line" > < a name = "l01686" > < / a > < span class = "lineno" > 1686< / span >   < span class = "keywordtype" > size_t< / span > tile_size_minus_1 = 0;< / div >
< div class = "line" > < a name = "l01687" > < / a > < span class = "lineno" > 1687< / span >   RCHECK(ReadLe(tile_info.tile_size_bytes, reader, & tile_size_minus_1));< / div >
< div class = "line" > < a name = "l01688" > < / a > < span class = "lineno" > 1688< / span >   tile_size = tile_size_minus_1 + 1;< / div >
< div class = "line" > < a name = "l01689" > < / a > < span class = "lineno" > 1689< / span >   size -= tile_size + tile_info.tile_size_bytes;< / div >
< div class = "line" > < a name = "l01690" > < / a > < span class = "lineno" > 1690< / span >   }< / div >
< div class = "line" > < a name = "l01691" > < / a > < span class = "lineno" > 1691< / span >   tiles-> push_back({reader-> bit_position() / 8, tile_size});< / div >
< div class = "line" > < a name = "l01692" > < / a > < span class = "lineno" > 1692< / span >   RCHECK(reader-> SkipBits(tile_size * 8)); < span class = "comment" > // Skip the tile.< / span > < / div >
< div class = "line" > < a name = "l01693" > < / a > < span class = "lineno" > 1693< / span >   }< / div >
< div class = "line" > < a name = "l01694" > < / a > < span class = "lineno" > 1694< / span >   < / div >
< div class = "line" > < a name = "l01695" > < / a > < span class = "lineno" > 1695< / span >   < span class = "keywordflow" > if< / span > (tg_end == num_tiles - 1) {< / div >
< div class = "line" > < a name = "l01696" > < / a > < span class = "lineno" > 1696< / span >   DecodeFrameWrapup();< / div >
< div class = "line" > < a name = "l01697" > < / a > < span class = "lineno" > 1697< / span >   frame_header_.seen_frame_header = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01698" > < / a > < span class = "lineno" > 1698< / span >   }< / div >
< div class = "line" > < a name = "l01699" > < / a > < span class = "lineno" > 1699< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01700" > < / a > < span class = "lineno" > 1700< / span >   }< / div >
< div class = "line" > < a name = "l01701" > < / a > < span class = "lineno" > 1701< / span >   < / div >
< div class = "line" > < a name = "l01702" > < / a > < span class = "lineno" > 1702< / span >   < span class = "comment" > // 5.11.14. Segmentation feature active function.< / span > < / div >
< div class = "line" > < a name = "l01703" > < / a > < span class = "lineno" > 1703< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::SegFeatureActiveIdx(< span class = "keywordtype" > int< / span > idx, < span class = "keywordtype" > int< / span > feature) {< / div >
< div class = "line" > < a name = "l01704" > < / a > < span class = "lineno" > 1704< / span >   < span class = "keyword" > const< / span > SegmentationParams& segmentation_params =< / div >
< div class = "line" > < a name = "l01705" > < / a > < span class = "lineno" > 1705< / span >   frame_header_.segmentation_params;< / div >
< div class = "line" > < a name = "l01706" > < / a > < span class = "lineno" > 1706< / span >   < span class = "keywordflow" > return< / span > segmentation_params.segmentation_enabled & & < / div >
< div class = "line" > < a name = "l01707" > < / a > < span class = "lineno" > 1707< / span >   segmentation_params.feature_enabled[idx][feature];< / div >
< div class = "line" > < a name = "l01708" > < / a > < span class = "lineno" > 1708< / span >   }< / div >
< div class = "line" > < a name = "l01709" > < / a > < span class = "lineno" > 1709< / span >   < / div >
< div class = "line" > < a name = "l01710" > < / a > < span class = "lineno" > 1710< / span >   < span class = "comment" > // 7.4. Decode frame wrapup process.< / span > < / div >
< div class = "line" > < a name = "l01711" > < / a > < span class = "lineno" > 1711< / span >   < span class = "keywordtype" > void< / span > AV1Parser::DecodeFrameWrapup() {< / div >
< div class = "line" > < a name = "l01712" > < / a > < span class = "lineno" > 1712< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > refresh_frame_flags = frame_header_.refresh_frame_flags;< / div >
< div class = "line" > < a name = "l01713" > < / a > < span class = "lineno" > 1713< / span >   < span class = "keywordflow" > if< / span > (frame_header_.show_existing_frame & & < / div >
< div class = "line" > < a name = "l01714" > < / a > < span class = "lineno" > 1714< / span >   frame_header_.frame_type == KEY_FRAME) {< / div >
< div class = "line" > < a name = "l01715" > < / a > < span class = "lineno" > 1715< / span >   < span class = "comment" > // 7.21. Reference frame loading process.< / span > < / div >
< div class = "line" > < a name = "l01716" > < / a > < span class = "lineno" > 1716< / span >   < span class = "keyword" > const< / span > ReferenceFrame& reference_frame =< / div >
< div class = "line" > < a name = "l01717" > < / a > < span class = "lineno" > 1717< / span >   reference_frames_[frame_header_.frame_to_show_map_idx];< / div >
< div class = "line" > < a name = "l01718" > < / a > < span class = "lineno" > 1718< / span >   < / div >
< div class = "line" > < a name = "l01719" > < / a > < span class = "lineno" > 1719< / span >   frame_header_.upscaled_width = reference_frame.upscaled_width;< / div >
< div class = "line" > < a name = "l01720" > < / a > < span class = "lineno" > 1720< / span >   frame_header_.frame_width = reference_frame.frame_width;< / div >
< div class = "line" > < a name = "l01721" > < / a > < span class = "lineno" > 1721< / span >   frame_header_.frame_height = reference_frame.frame_height;< / div >
< div class = "line" > < a name = "l01722" > < / a > < span class = "lineno" > 1722< / span >   frame_header_.render_width = reference_frame.render_width;< / div >
< div class = "line" > < a name = "l01723" > < / a > < span class = "lineno" > 1723< / span >   frame_header_.render_height = reference_frame.render_height;< / div >
< div class = "line" > < a name = "l01724" > < / a > < span class = "lineno" > 1724< / span >   frame_header_.mi_cols = reference_frame.mi_cols;< / div >
< div class = "line" > < a name = "l01725" > < / a > < span class = "lineno" > 1725< / span >   frame_header_.mi_rows = reference_frame.mi_rows;< / div >
< div class = "line" > < a name = "l01726" > < / a > < span class = "lineno" > 1726< / span >   < / div >
< div class = "line" > < a name = "l01727" > < / a > < span class = "lineno" > 1727< / span >   ColorConfig& color_config = sequence_header_.color_config;< / div >
< div class = "line" > < a name = "l01728" > < / a > < span class = "lineno" > 1728< / span >   color_config.subsampling_x = reference_frame.subsampling_x;< / div >
< div class = "line" > < a name = "l01729" > < / a > < span class = "lineno" > 1729< / span >   color_config.subsampling_y = reference_frame.subsampling_y;< / div >
< div class = "line" > < a name = "l01730" > < / a > < span class = "lineno" > 1730< / span >   color_config.bit_depth = reference_frame.bit_depth;< / div >
< div class = "line" > < a name = "l01731" > < / a > < span class = "lineno" > 1731< / span >   < / div >
< div class = "line" > < a name = "l01732" > < / a > < span class = "lineno" > 1732< / span >   frame_header_.order_hint = reference_frame.order_hint;< / div >
< div class = "line" > < a name = "l01733" > < / a > < span class = "lineno" > 1733< / span >   }< / div >
< div class = "line" > < a name = "l01734" > < / a > < span class = "lineno" > 1734< / span >   < span class = "comment" > // 7.20. Reference frame update process.< / span > < / div >
< div class = "line" > < a name = "l01735" > < / a > < span class = "lineno" > 1735< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < = kNumRefFrames - 1; i++) {< / div >
< div class = "line" > < a name = "l01736" > < / a > < span class = "lineno" > 1736< / span >   < span class = "keywordflow" > if< / span > ((refresh_frame_flags > > i) & 1) {< / div >
< div class = "line" > < a name = "l01737" > < / a > < span class = "lineno" > 1737< / span >   ReferenceFrame& reference_frame = reference_frames_[i];< / div >
< div class = "line" > < a name = "l01738" > < / a > < span class = "lineno" > 1738< / span >   < / div >
< div class = "line" > < a name = "l01739" > < / a > < span class = "lineno" > 1739< / span >   reference_frame.upscaled_width = frame_header_.upscaled_width;< / div >
< div class = "line" > < a name = "l01740" > < / a > < span class = "lineno" > 1740< / span >   reference_frame.frame_width = frame_header_.frame_width;< / div >
< div class = "line" > < a name = "l01741" > < / a > < span class = "lineno" > 1741< / span >   reference_frame.frame_height = frame_header_.frame_height;< / div >
< div class = "line" > < a name = "l01742" > < / a > < span class = "lineno" > 1742< / span >   reference_frame.render_width = frame_header_.render_width;< / div >
< div class = "line" > < a name = "l01743" > < / a > < span class = "lineno" > 1743< / span >   reference_frame.render_height = frame_header_.render_height;< / div >
< div class = "line" > < a name = "l01744" > < / a > < span class = "lineno" > 1744< / span >   reference_frame.mi_cols = frame_header_.mi_cols;< / div >
< div class = "line" > < a name = "l01745" > < / a > < span class = "lineno" > 1745< / span >   reference_frame.mi_rows = frame_header_.mi_rows;< / div >
< div class = "line" > < a name = "l01746" > < / a > < span class = "lineno" > 1746< / span >   reference_frame.frame_type = frame_header_.frame_type;< / div >
< div class = "line" > < a name = "l01747" > < / a > < span class = "lineno" > 1747< / span >   < / div >
< div class = "line" > < a name = "l01748" > < / a > < span class = "lineno" > 1748< / span >   < span class = "keyword" > const< / span > ColorConfig& color_config = sequence_header_.color_config;< / div >
< div class = "line" > < a name = "l01749" > < / a > < span class = "lineno" > 1749< / span >   reference_frame.subsampling_x = color_config.subsampling_x;< / div >
< div class = "line" > < a name = "l01750" > < / a > < span class = "lineno" > 1750< / span >   reference_frame.subsampling_y = color_config.subsampling_y;< / div >
< div class = "line" > < a name = "l01751" > < / a > < span class = "lineno" > 1751< / span >   reference_frame.bit_depth = color_config.bit_depth;< / div >
< div class = "line" > < a name = "l01752" > < / a > < span class = "lineno" > 1752< / span >   < / div >
< div class = "line" > < a name = "l01753" > < / a > < span class = "lineno" > 1753< / span >   reference_frame.order_hint = frame_header_.order_hint;< / div >
< div class = "line" > < a name = "l01754" > < / a > < span class = "lineno" > 1754< / span >   }< / div >
< div class = "line" > < a name = "l01755" > < / a > < span class = "lineno" > 1755< / span >   }< / div >
< div class = "line" > < a name = "l01756" > < / a > < span class = "lineno" > 1756< / span >   }< / div >
< div class = "line" > < a name = "l01757" > < / a > < span class = "lineno" > 1757< / span >   < / div >
< div class = "line" > < a name = "l01758" > < / a > < span class = "lineno" > 1758< / span >   < span class = "comment" > // 7.8. Set frame refs process.< / span > < / div >
< div class = "line" > < a name = "l01759" > < / a > < span class = "lineno" > 1759< / span >   < span class = "keywordtype" > bool< / span > AV1Parser::SetFrameRefs(< span class = "keywordtype" > int< / span > last_frame_idx, < span class = "keywordtype" > int< / span > gold_frame_idx) {< / div >
< div class = "line" > < a name = "l01760" > < / a > < span class = "lineno" > 1760< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < kRefsPerFrame; i++)< / div >
< div class = "line" > < a name = "l01761" > < / a > < span class = "lineno" > 1761< / span >   frame_header_.ref_frame_idx[i] = -1;< / div >
< div class = "line" > < a name = "l01762" > < / a > < span class = "lineno" > 1762< / span >   frame_header_.ref_frame_idx[LAST_FRAME - LAST_FRAME] = last_frame_idx;< / div >
< div class = "line" > < a name = "l01763" > < / a > < span class = "lineno" > 1763< / span >   frame_header_.ref_frame_idx[GOLDEN_FRAME - LAST_FRAME] = gold_frame_idx;< / div >
< div class = "line" > < a name = "l01764" > < / a > < span class = "lineno" > 1764< / span >   < / div >
< div class = "line" > < a name = "l01765" > < / a > < span class = "lineno" > 1765< / span >   < span class = "keywordtype" > bool< / span > used_frame[kNumRefFrames] = {};< / div >
< div class = "line" > < a name = "l01766" > < / a > < span class = "lineno" > 1766< / span >   used_frame[last_frame_idx] = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01767" > < / a > < span class = "lineno" > 1767< / span >   used_frame[gold_frame_idx] = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01768" > < / a > < span class = "lineno" > 1768< / span >   < / div >
< div class = "line" > < a name = "l01769" > < / a > < span class = "lineno" > 1769< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > cur_frame_hint = 1 < < (sequence_header_.order_hint_bits - 1);< / div >
< div class = "line" > < a name = "l01770" > < / a > < span class = "lineno" > 1770< / span >   < / div >
< div class = "line" > < a name = "l01771" > < / a > < span class = "lineno" > 1771< / span >   < span class = "comment" > // An array containing the expected output order shifted such that the< / span > < / div >
< div class = "line" > < a name = "l01772" > < / a > < span class = "lineno" > 1772< / span >   < span class = "comment" > // current frame has hint equal to |cur_frame_hint| is prepared.< / span > < / div >
< div class = "line" > < a name = "l01773" > < / a > < span class = "lineno" > 1773< / span >   < span class = "keywordtype" > int< / span > shifted_order_hints[kNumRefFrames];< / div >
< div class = "line" > < a name = "l01774" > < / a > < span class = "lineno" > 1774< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < kNumRefFrames; i++) {< / div >
< div class = "line" > < a name = "l01775" > < / a > < span class = "lineno" > 1775< / span >   shifted_order_hints[i] =< / div >
< div class = "line" > < a name = "l01776" > < / a > < span class = "lineno" > 1776< / span >   cur_frame_hint + GetRelativeDist(reference_frames_[i].order_hint,< / div >
< div class = "line" > < a name = "l01777" > < / a > < span class = "lineno" > 1777< / span >   frame_header_.order_hint);< / div >
< div class = "line" > < a name = "l01778" > < / a > < span class = "lineno" > 1778< / span >   }< / div >
< div class = "line" > < a name = "l01779" > < / a > < span class = "lineno" > 1779< / span >   < / div >
< div class = "line" > < a name = "l01780" > < / a > < span class = "lineno" > 1780< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > last_order_hint = shifted_order_hints[last_frame_idx];< / div >
< div class = "line" > < a name = "l01781" > < / a > < span class = "lineno" > 1781< / span >   RCHECK(last_order_hint < cur_frame_hint);< / div >
< div class = "line" > < a name = "l01782" > < / a > < span class = "lineno" > 1782< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > gold_order_hint = shifted_order_hints[gold_frame_idx];< / div >
< div class = "line" > < a name = "l01783" > < / a > < span class = "lineno" > 1783< / span >   RCHECK(gold_order_hint < cur_frame_hint);< / div >
< div class = "line" > < a name = "l01784" > < / a > < span class = "lineno" > 1784< / span >   < / div >
< div class = "line" > < a name = "l01785" > < / a > < span class = "lineno" > 1785< / span >   < span class = "comment" > // The ALTREF_FRAME reference is set to be a backward reference to the frame< / span > < / div >
< div class = "line" > < a name = "l01786" > < / a > < span class = "lineno" > 1786< / span >   < span class = "comment" > // with highest output order.< / span > < / div >
< div class = "line" > < a name = "l01787" > < / a > < span class = "lineno" > 1787< / span >   < span class = "keywordtype" > int< / span > ref = FindLatestBackward(shifted_order_hints, used_frame, cur_frame_hint);< / div >
< div class = "line" > < a name = "l01788" > < / a > < span class = "lineno" > 1788< / span >   < span class = "keywordflow" > if< / span > (ref > = 0) {< / div >
< div class = "line" > < a name = "l01789" > < / a > < span class = "lineno" > 1789< / span >   frame_header_.ref_frame_idx[ALTREF_FRAME - LAST_FRAME] = ref;< / div >
< div class = "line" > < a name = "l01790" > < / a > < span class = "lineno" > 1790< / span >   used_frame[ref] = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01791" > < / a > < span class = "lineno" > 1791< / span >   }< / div >
< div class = "line" > < a name = "l01792" > < / a > < span class = "lineno" > 1792< / span >   < / div >
< div class = "line" > < a name = "l01793" > < / a > < span class = "lineno" > 1793< / span >   < span class = "comment" > // The BWDREF_FRAME reference is set to be a backward reference to the cloest< / span > < / div >
< div class = "line" > < a name = "l01794" > < / a > < span class = "lineno" > 1794< / span >   < span class = "comment" > // frame.< / span > < / div >
< div class = "line" > < a name = "l01795" > < / a > < span class = "lineno" > 1795< / span >   ref = FindEarliestBackward(shifted_order_hints, used_frame, cur_frame_hint);< / div >
< div class = "line" > < a name = "l01796" > < / a > < span class = "lineno" > 1796< / span >   < span class = "keywordflow" > if< / span > (ref > = 0) {< / div >
< div class = "line" > < a name = "l01797" > < / a > < span class = "lineno" > 1797< / span >   frame_header_.ref_frame_idx[BWDREF_FRAME - LAST_FRAME] = ref;< / div >
< div class = "line" > < a name = "l01798" > < / a > < span class = "lineno" > 1798< / span >   used_frame[ref] = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01799" > < / a > < span class = "lineno" > 1799< / span >   }< / div >
< div class = "line" > < a name = "l01800" > < / a > < span class = "lineno" > 1800< / span >   < / div >
< div class = "line" > < a name = "l01801" > < / a > < span class = "lineno" > 1801< / span >   < span class = "comment" > // The ALTREF2_FRAME reference is set to the next closest backward reference.< / span > < / div >
< div class = "line" > < a name = "l01802" > < / a > < span class = "lineno" > 1802< / span >   ref = FindEarliestBackward(shifted_order_hints, used_frame, cur_frame_hint);< / div >
< div class = "line" > < a name = "l01803" > < / a > < span class = "lineno" > 1803< / span >   < span class = "keywordflow" > if< / span > (ref > = 0) {< / div >
< div class = "line" > < a name = "l01804" > < / a > < span class = "lineno" > 1804< / span >   frame_header_.ref_frame_idx[ALTREF2_FRAME - LAST_FRAME] = ref;< / div >
< div class = "line" > < a name = "l01805" > < / a > < span class = "lineno" > 1805< / span >   used_frame[ref] = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01806" > < / a > < span class = "lineno" > 1806< / span >   }< / div >
< div class = "line" > < a name = "l01807" > < / a > < span class = "lineno" > 1807< / span >   < / div >
< div class = "line" > < a name = "l01808" > < / a > < span class = "lineno" > 1808< / span >   < span class = "comment" > // The remaining references are set to be forward references in< / span > < / div >
< div class = "line" > < a name = "l01809" > < / a > < span class = "lineno" > 1809< / span >   < span class = "comment" > // anti-chronological order.< / span > < / div >
< div class = "line" > < a name = "l01810" > < / a > < span class = "lineno" > 1810< / span >   < span class = "keyword" > static< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kRefFrameList[] = {< / div >
< div class = "line" > < a name = "l01811" > < / a > < span class = "lineno" > 1811< / span >   LAST2_FRAME, LAST3_FRAME, BWDREF_FRAME, ALTREF2_FRAME, ALTREF_FRAME,< / div >
< div class = "line" > < a name = "l01812" > < / a > < span class = "lineno" > 1812< / span >   };< / div >
< div class = "line" > < a name = "l01813" > < / a > < span class = "lineno" > 1813< / span >   static_assert(arraysize(kRefFrameList) == kRefsPerFrame - 2,< / div >
< div class = "line" > < a name = "l01814" > < / a > < span class = "lineno" > 1814< / span >   < span class = "stringliteral" > " Unexpected kRefFrameList size." < / span > );< / div >
< div class = "line" > < a name = "l01815" > < / a > < span class = "lineno" > 1815< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > ref_frame : kRefFrameList) {< / div >
< div class = "line" > < a name = "l01816" > < / a > < span class = "lineno" > 1816< / span >   < span class = "keywordflow" > if< / span > (frame_header_.ref_frame_idx[ref_frame - LAST_FRAME] < 0) {< / div >
< div class = "line" > < a name = "l01817" > < / a > < span class = "lineno" > 1817< / span >   ref = FindLatestForward(shifted_order_hints, used_frame, cur_frame_hint);< / div >
< div class = "line" > < a name = "l01818" > < / a > < span class = "lineno" > 1818< / span >   < span class = "keywordflow" > if< / span > (ref > = 0) {< / div >
< div class = "line" > < a name = "l01819" > < / a > < span class = "lineno" > 1819< / span >   frame_header_.ref_frame_idx[ref_frame - LAST_FRAME] = ref;< / div >
< div class = "line" > < a name = "l01820" > < / a > < span class = "lineno" > 1820< / span >   used_frame[ref] = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01821" > < / a > < span class = "lineno" > 1821< / span >   }< / div >
< div class = "line" > < a name = "l01822" > < / a > < span class = "lineno" > 1822< / span >   }< / div >
< div class = "line" > < a name = "l01823" > < / a > < span class = "lineno" > 1823< / span >   }< / div >
< div class = "line" > < a name = "l01824" > < / a > < span class = "lineno" > 1824< / span >   < / div >
< div class = "line" > < a name = "l01825" > < / a > < span class = "lineno" > 1825< / span >   < span class = "comment" > // Finally, any remaining references are set to the reference frame with< / span > < / div >
< div class = "line" > < a name = "l01826" > < / a > < span class = "lineno" > 1826< / span >   < span class = "comment" > // smallest output order.< / span > < / div >
< div class = "line" > < a name = "l01827" > < / a > < span class = "lineno" > 1827< / span >   ref = -1;< / div >
< div class = "line" > < a name = "l01828" > < / a > < span class = "lineno" > 1828< / span >   < span class = "keywordtype" > int< / span > earliest_order_hint = 0;< / div >
< div class = "line" > < a name = "l01829" > < / a > < span class = "lineno" > 1829< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < kNumRefFrames; i++) {< / div >
< div class = "line" > < a name = "l01830" > < / a > < span class = "lineno" > 1830< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > hint = shifted_order_hints[i];< / div >
< div class = "line" > < a name = "l01831" > < / a > < span class = "lineno" > 1831< / span >   < span class = "keywordflow" > if< / span > (ref < 0 || hint < earliest_order_hint) {< / div >
< div class = "line" > < a name = "l01832" > < / a > < span class = "lineno" > 1832< / span >   ref = i;< / div >
< div class = "line" > < a name = "l01833" > < / a > < span class = "lineno" > 1833< / span >   earliest_order_hint = hint;< / div >
< div class = "line" > < a name = "l01834" > < / a > < span class = "lineno" > 1834< / span >   }< / div >
< div class = "line" > < a name = "l01835" > < / a > < span class = "lineno" > 1835< / span >   }< / div >
< div class = "line" > < a name = "l01836" > < / a > < span class = "lineno" > 1836< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < kRefsPerFrame; i++) {< / div >
< div class = "line" > < a name = "l01837" > < / a > < span class = "lineno" > 1837< / span >   < span class = "keywordflow" > if< / span > (frame_header_.ref_frame_idx[i] < 0) {< / div >
< div class = "line" > < a name = "l01838" > < / a > < span class = "lineno" > 1838< / span >   frame_header_.ref_frame_idx[i] = ref;< / div >
< div class = "line" > < a name = "l01839" > < / a > < span class = "lineno" > 1839< / span >   }< / div >
< div class = "line" > < a name = "l01840" > < / a > < span class = "lineno" > 1840< / span >   }< / div >
< div class = "line" > < a name = "l01841" > < / a > < span class = "lineno" > 1841< / span >   < / div >
< div class = "line" > < a name = "l01842" > < / a > < span class = "lineno" > 1842< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01843" > < / a > < span class = "lineno" > 1843< / span >   }< / div >
< div class = "line" > < a name = "l01844" > < / a > < span class = "lineno" > 1844< / span >   < / div >
< div class = "line" > < a name = "l01845" > < / a > < span class = "lineno" > 1845< / span >   < span class = "comment" > // 7.12.2. Dequantization functions. The function returns the quantizer index< / span > < / div >
< div class = "line" > < a name = "l01846" > < / a > < span class = "lineno" > 1846< / span >   < span class = "comment" > // for the current block.< / span > < / div >
< div class = "line" > < a name = "l01847" > < / a > < span class = "lineno" > 1847< / span >   < span class = "keywordtype" > int< / span > AV1Parser::GetQIndex(< span class = "keywordtype" > bool< / span > ignore_delta_q, < span class = "keywordtype" > int< / span > segment_id) {< / div >
< div class = "line" > < a name = "l01848" > < / a > < span class = "lineno" > 1848< / span >   < span class = "comment" > // We do not have use case for ignore_delta_q false case.< / span > < / div >
< div class = "line" > < a name = "l01849" > < / a > < span class = "lineno" > 1849< / span >   CHECK(ignore_delta_q) < < < span class = "stringliteral" > " ignoreDeltaQ equal to 0 is not supported." < / span > ;< / div >
< div class = "line" > < a name = "l01850" > < / a > < span class = "lineno" > 1850< / span >   < / div >
< div class = "line" > < a name = "l01851" > < / a > < span class = "lineno" > 1851< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > base_q_idx = frame_header_.quantization_params.base_q_idx;< / div >
< div class = "line" > < a name = "l01852" > < / a > < span class = "lineno" > 1852< / span >   < / div >
< div class = "line" > < a name = "l01853" > < / a > < span class = "lineno" > 1853< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kSegLvlAltQ = 0;< / div >
< div class = "line" > < a name = "l01854" > < / a > < span class = "lineno" > 1854< / span >   < span class = "keywordflow" > if< / span > (SegFeatureActiveIdx(segment_id, kSegLvlAltQ)) {< / div >
< div class = "line" > < a name = "l01855" > < / a > < span class = "lineno" > 1855< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > data =< / div >
< div class = "line" > < a name = "l01856" > < / a > < span class = "lineno" > 1856< / span >   frame_header_.segmentation_params.feature_data[segment_id][kSegLvlAltQ];< / div >
< div class = "line" > < a name = "l01857" > < / a > < span class = "lineno" > 1857< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > qindex = base_q_idx + data;< / div >
< div class = "line" > < a name = "l01858" > < / a > < span class = "lineno" > 1858< / span >   < span class = "keywordflow" > return< / span > Clip3(0, 255, qindex);< / div >
< div class = "line" > < a name = "l01859" > < / a > < span class = "lineno" > 1859< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01860" > < / a > < span class = "lineno" > 1860< / span >   < span class = "keywordflow" > return< / span > base_q_idx;< / div >
< div class = "line" > < a name = "l01861" > < / a > < span class = "lineno" > 1861< / span >   }< / div >
< div class = "line" > < a name = "l01862" > < / a > < span class = "lineno" > 1862< / span >   }< / div >
< div class = "line" > < a name = "l01863" > < / a > < span class = "lineno" > 1863< / span >   < / div >
< div class = "line" > < a name = "l01864" > < / a > < span class = "lineno" > 1864< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l01865" > < / a > < span class = "lineno" > 1865< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
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< / div > <!-- fragment --> < / div > <!-- contents -->
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< div class = "ttc" id = "aclassshaka_1_1media_1_1BitReader_html_a100abf1165633b67359bb3d813594f7e" > < div class = "ttname" > < a href = "../../d6/da9/classshaka_1_1media_1_1BitReader.html#a100abf1165633b67359bb3d813594f7e" > shaka::media::BitReader::bit_position< / a > < / div > < div class = "ttdeci" > size_t bit_position() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d4/dd3/bit__reader_8h_source.html#l00094" > bit_reader.h:94< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1BitReader_html_a94b03de069b0054ee4a534b12644a986" > < div class = "ttname" > < a href = "../../d6/da9/classshaka_1_1media_1_1BitReader.html#a94b03de069b0054ee4a534b12644a986" > shaka::media::BitReader::bits_available< / a > < / div > < div class = "ttdeci" > size_t bits_available() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d4/dd3/bit__reader_8h_source.html#l00089" > bit_reader.h:89< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceshaka_html" > < div class = "ttname" > < a href = "../../d8/daf/namespaceshaka.html" > shaka< / a > < / div > < div class = "ttdoc" > All the methods that are virtual are virtual for mocking.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011" > gflags_hex_bytes.cc:11< / a > < / div > < / div >
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< div class = "ttc" id = "aclassshaka_1_1media_1_1BitReader_html" > < div class = "ttname" > < a href = "../../d6/da9/classshaka_1_1media_1_1BitReader.html" > shaka::media::BitReader< / a > < / div > < div class = "ttdoc" > A class to read bit streams.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d4/dd3/bit__reader_8h_source.html#l00017" > bit_reader.h:17< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1AV1Parser_html_ae0f20c4724f1c65b27f9f155c6362e6d" > < div class = "ttname" > < a href = "../../db/dc7/classshaka_1_1media_1_1AV1Parser.html#ae0f20c4724f1c65b27f9f155c6362e6d" > shaka::media::AV1Parser::Parse< / a > < / div > < div class = "ttdeci" > virtual bool Parse(const uint8_t *data, size_t data_size, std::vector< Tile > *tiles)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/dbc/av1__parser_8cc_source.html#l00255" > av1_parser.cc:255< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1BitReader_html_a4ab20ef220c76072eaecb982aba0541d" > < div class = "ttname" > < a href = "../../d6/da9/classshaka_1_1media_1_1BitReader.html#a4ab20ef220c76072eaecb982aba0541d" > shaka::media::BitReader::SkipBits< / a > < / div > < div class = "ttdeci" > bool SkipBits(size_t num_bits)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/de0/bit__reader_8cc_source.html#l00024" > bit_reader.cc:24< / a > < / div > < / div >
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