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< title > Shaka Packager SDK: packager/media/base/bit_writer.cc Source File< / title >
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< div id = "projectname" > Shaka Packager SDK
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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 class = "title" > bit_writer.cc< / div > < / div >
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2017 Google Inc. 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/base/bit_writer.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 = "keyword" > namespace < / span > < a class = "code" href = "../../d8/daf/namespaceshaka.html" > shaka< / a > {< / div > < div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "keyword" > namespace < / span > media {< / div > < div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < / div > < div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > < a class = "line" href = "../../dc/d76/classshaka_1_1media_1_1BitWriter.html#a09495a53bd1f1885dcc328b1621041f4" > 12< / a > < / span >   < a class = "code" href = "../../dc/d76/classshaka_1_1media_1_1BitWriter.html#a09495a53bd1f1885dcc328b1621041f4" > BitWriter::BitWriter< / a > (std::vector< uint8_t> * storage)< / div > < div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   : storage_(storage), initial_storage_size_(storage_-> size()) {}< / div > < div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < / div > < div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > < a class = "line" href = "../../dc/d76/classshaka_1_1media_1_1BitWriter.html#aee5f905e55f262e38f5df506611663f1" > 15< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "../../dc/d76/classshaka_1_1media_1_1BitWriter.html#aee5f905e55f262e38f5df506611663f1" > BitWriter::WriteBits< / a > (uint32_t bits, < span class = "keywordtype" > size_t< / span > number_of_bits) {< / div > < div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   DCHECK_NE(number_of_bits, 0u);< / div > < div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   DCHECK_LE(number_of_bits, 32u);< / div > < div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   DCHECK_LT(bits, 1ULL < < number_of_bits);< / div > < div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < / div > < div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   num_bits_ += number_of_bits;< / div > < div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   DCHECK_LE(num_bits_, 64);< / div > < div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   bits_ |= < span class = "keyword" > static_cast< < / span > uint64_t< span class = "keyword" > > < / span > (bits) < < (64 - num_bits_);< / 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 = "keywordflow" > while< / span > (num_bits_ > = 8) {< / div > < div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   storage_-> push_back(bits_ > > 56);< / div > < div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   bits_ < < = 8;< / div > < div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   num_bits_ -= 8;< / div > < div class = "line" > < a name = "l00028" > < / a > < span class =
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< div class = "ttc" id = "classshaka_1_1media_1_1BitWriter_html_aee5f905e55f262e38f5df506611663f1" > < div class = "ttname" > < a href = "../../dc/d76/classshaka_1_1media_1_1BitWriter.html#aee5f905e55f262e38f5df506611663f1" > shaka::media::BitWriter::WriteBits< / a > < / div > < div class = "ttdeci" > void WriteBits(uint32_t bits, size_t number_of_bits)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/d58/bit__writer_8cc_source.html#l00015" > bit_writer.cc:15< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1BitWriter_html_a09495a53bd1f1885dcc328b1621041f4" > < div class = "ttname" > < a href = "../../dc/d76/classshaka_1_1media_1_1BitWriter.html#a09495a53bd1f1885dcc328b1621041f4" > shaka::media::BitWriter::BitWriter< / a > < / div > < div class = "ttdeci" > BitWriter(std::vector< uint8_t > *storage)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/d58/bit__writer_8cc_source.html#l00012" > bit_writer.cc:12< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1BitWriter_html_a1c14f04a0bb3090edb3ac0fffa346bc1" > < div class = "ttname" > < a href = "../../dc/d76/classshaka_1_1media_1_1BitWriter.html#a1c14f04a0bb3090edb3ac0fffa346bc1" > shaka::media::BitWriter::Flush< / a > < / div > < div class = "ttdeci" > void Flush()< / div > < div class = "ttdoc" > Write pending bits, and align bitstream with extra zero bits. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/d58/bit__writer_8cc_source.html#l00031" > bit_writer.cc:31< / a > < / div > < / div >
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