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< title > Shaka Packager SDK: packager/media/base/offset_byte_queue.cc Source File< / title >
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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_e3bda0bde998a4d5063328245b9909be.html" > base< / a > < / li > < / ul >
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< / div >
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< div class = "header" >
< div class = "headertitle" >
< div class = "title" > offset_byte_queue.cc< / div > < / div >
< / div > <!-- header -->
< div class = "contents" >
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright (c) 2012 The Chromium Authors. All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > // Use of this source code is governed by a BSD-style license that can be< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // found in the LICENSE file.< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "preprocessor" > #include " packager/media/base/offset_byte_queue.h" < / 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 < stdint.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 " packager/base/logging.h" < / 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 = "keyword" > namespace < / span > < a class = "code" href = "../../d8/daf/namespaceshaka.html" > shaka< / a > {< / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   OffsetByteQueue::OffsetByteQueue() : buf_(NULL), size_(0), head_(0) {}< / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   OffsetByteQueue::~OffsetByteQueue() {}< / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "keywordtype" > void< / span > OffsetByteQueue::Reset() {< / div >
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< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   queue_.< a class = "code" href = "../../d7/dda/classshaka_1_1media_1_1ByteQueue.html#ab1659ef71098c37e9fb4e55ab1664e84" > Reset< / a > ();< / div >
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< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   buf_ = NULL;< / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   size_ = 0;< / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   head_ = 0;< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   }< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "keywordtype" > void< / span > OffsetByteQueue::Push(< span class = "keyword" > const< / span > uint8_t* buf, < span class = "keywordtype" > int< / span > size) {< / div >
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< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   queue_.< a class = "code" href = "../../d7/dda/classshaka_1_1media_1_1ByteQueue.html#acea792e406efe5119cec2e3e522e02c2" > Push< / a > (buf, size);< / div >
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< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   Sync();< / div >
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< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   DVLOG(4) < < < span class = "stringliteral" > " Buffer pushed. head=" < / span > < < < a class = "code" href = "../../d9/df9/classshaka_1_1media_1_1OffsetByteQueue.html#a1dfd11c891dd3b3171002cbc484eacdd" > head< / a > () < < < span class = "stringliteral" > " tail=" < / span > < < < a class = "code" href = "../../d9/df9/classshaka_1_1media_1_1OffsetByteQueue.html#ab1aa8f95daa784e4dc1ce34566cea164" > tail< / a > ();< / div >
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< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   }< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "keywordtype" > void< / span > OffsetByteQueue::Peek(< span class = "keyword" > const< / span > uint8_t** buf, < span class = "keywordtype" > int< / span > * size) {< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   *buf = size_ > 0 ? buf_ : NULL;< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   *size = size_;< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   }< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "keywordtype" > void< / span > OffsetByteQueue::Pop(< span class = "keywordtype" > int< / span > count) {< / div >
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< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   queue_.< a class = "code" href = "../../d7/dda/classshaka_1_1media_1_1ByteQueue.html#a31b30d39d14fca3ce722b4233de95c79" > Pop< / a > (count);< / div >
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< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   head_ += count;< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   Sync();< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   }< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < / div >
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< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > < a class = "line" href = "../../d9/df9/classshaka_1_1media_1_1OffsetByteQueue.html#a68832e85b25a9b543e54033bb70c4df6" > 41< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "../../d9/df9/classshaka_1_1media_1_1OffsetByteQueue.html#a68832e85b25a9b543e54033bb70c4df6" > OffsetByteQueue::PeekAt< / a > (int64_t offset, < span class = "keyword" > const< / span > uint8_t** buf, < span class = "keywordtype" > int< / span > * size) {< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < span class = "keywordflow" > if< / span > (offset < < a class = "code" href = "../../d9/df9/classshaka_1_1media_1_1OffsetByteQueue.html#a1dfd11c891dd3b3171002cbc484eacdd" > head< / a > () || offset > = < a class = "code" href = "../../d9/df9/classshaka_1_1media_1_1OffsetByteQueue.html#ab1aa8f95daa784e4dc1ce34566cea164" > tail< / a > ()) {< / div >
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< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   *buf = NULL;< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   *size = 0;< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   }< / div >
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< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   *buf = & buf_[offset - < a class = "code" href = "../../d9/df9/classshaka_1_1media_1_1OffsetByteQueue.html#a1dfd11c891dd3b3171002cbc484eacdd" > head< / a > ()];< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   *size = < a class = "code" href = "../../d9/df9/classshaka_1_1media_1_1OffsetByteQueue.html#ab1aa8f95daa784e4dc1ce34566cea164" > tail< / a > () - offset;< / div >
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< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   }< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < / div >
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< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > < a class = "line" href = "../../d9/df9/classshaka_1_1media_1_1OffsetByteQueue.html#a77b9a12145dad80df95845bd2b66b6a8" > 51< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../d9/df9/classshaka_1_1media_1_1OffsetByteQueue.html#a77b9a12145dad80df95845bd2b66b6a8" > OffsetByteQueue::Trim< / a > (int64_t max_offset) {< / div >
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< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "keywordflow" > if< / span > (max_offset < head_) < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
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< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "keywordflow" > if< / span > (max_offset > < a class = "code" href = "../../d9/df9/classshaka_1_1media_1_1OffsetByteQueue.html#ab1aa8f95daa784e4dc1ce34566cea164" > tail< / a > ()) {< / div >
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< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   Pop(size_);< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   }< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   Pop(max_offset - head_);< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   }< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "keywordtype" > void< / span > OffsetByteQueue::Sync() {< / div >
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< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   queue_.< a class = "code" href = "../../d7/dda/classshaka_1_1media_1_1ByteQueue.html#a8565a6999f73f210ad2ac2e2ee5ada0e" > Peek< / a > (& buf_, & size_);< / div >
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< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   }< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / 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_1OffsetByteQueue_html_a77b9a12145dad80df95845bd2b66b6a8" > < div class = "ttname" > < a href = "../../d9/df9/classshaka_1_1media_1_1OffsetByteQueue.html#a77b9a12145dad80df95845bd2b66b6a8" > shaka::media::OffsetByteQueue::Trim< / a > < / div > < div class = "ttdeci" > bool Trim(int64_t max_offset)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../df/d1a/offset__byte__queue_8cc_source.html#l00051" > offset_byte_queue.cc:51< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1OffsetByteQueue_html_ab1aa8f95daa784e4dc1ce34566cea164" > < div class = "ttname" > < a href = "../../d9/df9/classshaka_1_1media_1_1OffsetByteQueue.html#ab1aa8f95daa784e4dc1ce34566cea164" > shaka::media::OffsetByteQueue::tail< / a > < / div > < div class = "ttdeci" > int64_t tail()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../de/d34/offset__byte__queue_8h_source.html#l00055" > offset_byte_queue.h:55< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1ByteQueue_html_a8565a6999f73f210ad2ac2e2ee5ada0e" > < div class = "ttname" > < a href = "../../d7/dda/classshaka_1_1media_1_1ByteQueue.html#a8565a6999f73f210ad2ac2e2ee5ada0e" > shaka::media::ByteQueue::Peek< / a > < / div > < div class = "ttdeci" > void Peek(const uint8_t **data, int *size) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/df9/byte__queue_8cc_source.html#l00062" > byte_queue.cc:62< / 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 >
< div class = "ttc" id = "aclassshaka_1_1media_1_1ByteQueue_html_a31b30d39d14fca3ce722b4233de95c79" > < div class = "ttname" > < a href = "../../d7/dda/classshaka_1_1media_1_1ByteQueue.html#a31b30d39d14fca3ce722b4233de95c79" > shaka::media::ByteQueue::Pop< / a > < / div > < div class = "ttdeci" > void Pop(int count)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/df9/byte__queue_8cc_source.html#l00069" > byte_queue.cc:69< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1OffsetByteQueue_html_a68832e85b25a9b543e54033bb70c4df6" > < div class = "ttname" > < a href = "../../d9/df9/classshaka_1_1media_1_1OffsetByteQueue.html#a68832e85b25a9b543e54033bb70c4df6" > shaka::media::OffsetByteQueue::PeekAt< / a > < / div > < div class = "ttdeci" > void PeekAt(int64_t offset, const uint8_t **buf, int *size)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../df/d1a/offset__byte__queue_8cc_source.html#l00041" > offset_byte_queue.cc:41< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1OffsetByteQueue_html_a1dfd11c891dd3b3171002cbc484eacdd" > < div class = "ttname" > < a href = "../../d9/df9/classshaka_1_1media_1_1OffsetByteQueue.html#a1dfd11c891dd3b3171002cbc484eacdd" > shaka::media::OffsetByteQueue::head< / a > < / div > < div class = "ttdeci" > int64_t head()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../de/d34/offset__byte__queue_8h_source.html#l00052" > offset_byte_queue.h:52< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1ByteQueue_html_acea792e406efe5119cec2e3e522e02c2" > < div class = "ttname" > < a href = "../../d7/dda/classshaka_1_1media_1_1ByteQueue.html#acea792e406efe5119cec2e3e522e02c2" > shaka::media::ByteQueue::Push< / a > < / div > < div class = "ttdeci" > void Push(const uint8_t *data, int size)< / div > < div class = "ttdoc" > Append new bytes to the end of the queue.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/df9/byte__queue_8cc_source.html#l00029" > byte_queue.cc:29< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1ByteQueue_html_ab1659ef71098c37e9fb4e55ab1664e84" > < div class = "ttname" > < a href = "../../d7/dda/classshaka_1_1media_1_1ByteQueue.html#ab1659ef71098c37e9fb4e55ab1664e84" > shaka::media::ByteQueue::Reset< / a > < / div > < div class = "ttdeci" > void Reset()< / div > < div class = "ttdoc" > Reset the queue to the empty state.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/df9/byte__queue_8cc_source.html#l00024" > byte_queue.cc:24< / a > < / div > < / div >
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