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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2017 Google Inc. All rights reserved.</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<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>&#160;<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>&#160;<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>&#160;</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/mp2t/ac3_header.h&quot;</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;</div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/bit_reader.h&quot;</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/bit_writer.h&quot;</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/mp2t/mp2t_common.h&quot;</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="keyword">namespace </span>media {</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="keyword">namespace </span>mp2t {</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="keyword">namespace </span>{</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment">// ASTC Standard A/52:2012 Table 5.6 Sample Rate Codes.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="keyword">const</span> uint32_t kAc3SampleRateTable[] = {48000, 44100, 32000};</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="comment">// ASTC Standard A/52:2012 Table 5.8 Audio Coding Mode.</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="keyword">const</span> uint8_t kAc3NumChannelsTable[] = {2, 1, 2, 3, 3, 4, 4, 5};</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="comment">// ATSC Standard A/52:2012 Table 5.18 Frame Size Code Table</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="comment">// (in words = 16 bits).</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="keyword">const</span> <span class="keywordtype">size_t</span> kFrameSizeCodeTable[][3] = {</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; {96, 69, 64}, {96, 70, 64}, {120, 87, 80},</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; {120, 88, 80}, {144, 104, 96}, {144, 105, 96},</div><div class="line"><a name="l00029"></a><span c
<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1Ac3Header_html_a58d93e453c2fed3d500badb40a349eed"><div class="ttname"><a href="../../dc/d21/classshaka_1_1media_1_1mp2t_1_1Ac3Header.html#a58d93e453c2fed3d500badb40a349eed">shaka::media::mp2t::Ac3Header::GetHeaderSize</a></div><div class="ttdeci">size_t GetHeaderSize() const override</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/dda/ac3__header_8cc_source.html#l00099">ac3_header.cc:99</a></div></div>
<div class="ttc" id="classshaka_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="classshaka_1_1media_1_1mp2t_1_1Ac3Header_html_a44c8ac7a2dd57a1b099722632e7e39f0"><div class="ttname"><a href="../../dc/d21/classshaka_1_1media_1_1mp2t_1_1Ac3Header.html#a44c8ac7a2dd57a1b099722632e7e39f0">shaka::media::mp2t::Ac3Header::IsSyncWord</a></div><div class="ttdeci">bool IsSyncWord(const uint8_t *buf) const override</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/dda/ac3__header_8cc_source.html#l00044">ac3_header.cc:44</a></div></div>
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<div class="ttc" id="namespaceshaka_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="classshaka_1_1media_1_1BitWriter_html"><div class="ttname"><a href="../../dc/d76/classshaka_1_1media_1_1BitWriter.html">shaka::media::BitWriter</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d0/dbc/bit__writer_8h_source.html#l00019">bit_writer.h:19</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1Ac3Header_html_a3c589cda189b06d9ca3b90a56db24829"><div class="ttname"><a href="../../dc/d21/classshaka_1_1media_1_1mp2t_1_1Ac3Header.html#a3c589cda189b06d9ca3b90a56db24829">shaka::media::mp2t::Ac3Header::GetMinFrameSize</a></div><div class="ttdeci">size_t GetMinFrameSize() const override</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/dda/ac3__header_8cc_source.html#l00050">ac3_header.cc:50</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1Ac3Header_html_aa238ec0832e097f2f5791e915bf30127"><div class="ttname"><a href="../../dc/d21/classshaka_1_1media_1_1mp2t_1_1Ac3Header.html#aa238ec0832e097f2f5791e915bf30127">shaka::media::mp2t::Ac3Header::GetSamplingFrequency</a></div><div class="ttdeci">uint32_t GetSamplingFrequency() const override</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/dda/ac3__header_8cc_source.html#l00131">ac3_header.cc:131</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1Ac3Header_html_a8065975e78028683180cd3ae65925c37"><div class="ttname"><a href="../../dc/d21/classshaka_1_1media_1_1mp2t_1_1Ac3Header.html#a8065975e78028683180cd3ae65925c37">shaka::media::mp2t::Ac3Header::GetFrameSize</a></div><div class="ttdeci">size_t GetFrameSize() const override</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/dda/ac3__header_8cc_source.html#l00105">ac3_header.cc:105</a></div></div>
<div class="ttc" id="classshaka_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>
<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1Ac3Header_html_a56de14f98afd205f03bda6b110835aae"><div class="ttname"><a href="../../dc/d21/classshaka_1_1media_1_1mp2t_1_1Ac3Header.html#a56de14f98afd205f03bda6b110835aae">shaka::media::mp2t::Ac3Header::GetObjectType</a></div><div class="ttdeci">uint8_t GetObjectType() const override</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/dda/ac3__header_8cc_source.html#l00126">ac3_header.cc:126</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1Ac3Header_html_a04733336c57460238d0279decaa3939c"><div class="ttname"><a href="../../dc/d21/classshaka_1_1media_1_1mp2t_1_1Ac3Header.html#a04733336c57460238d0279decaa3939c">shaka::media::mp2t::Ac3Header::Parse</a></div><div class="ttdeci">bool Parse(const uint8_t *adts_frame, size_t adts_frame_size) override</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/dda/ac3__header_8cc_source.html#l00063">ac3_header.cc:63</a></div></div>
<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_1mp2t_1_1Ac3Header_html_ac5d9c726fd88989e36e490d2aeb1011f"><div class="ttname"><a href="../../dc/d21/classshaka_1_1media_1_1mp2t_1_1Ac3Header.html#ac5d9c726fd88989e36e490d2aeb1011f">shaka::media::mp2t::Ac3Header::GetSamplesPerFrame</a></div><div class="ttdeci">size_t GetSamplesPerFrame() const override</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/dda/ac3__header_8cc_source.html#l00056">ac3_header.cc:56</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1Ac3Header_html_abab9685652b78baf25b7399477401bd7"><div class="ttname"><a href="../../dc/d21/classshaka_1_1media_1_1mp2t_1_1Ac3Header.html#abab9685652b78baf25b7399477401bd7">shaka::media::mp2t::Ac3Header::GetNumChannels</a></div><div class="ttdeci">uint8_t GetNumChannels() const override</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/dda/ac3__header_8cc_source.html#l00136">ac3_header.cc:136</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1Ac3Header_html_a9a3da0ed02d1790ec176a75bbbdef146"><div class="ttname"><a href="../../dc/d21/classshaka_1_1media_1_1mp2t_1_1Ac3Header.html#a9a3da0ed02d1790ec176a75bbbdef146">shaka::media::mp2t::Ac3Header::GetAudioSpecificConfig</a></div><div class="ttdeci">void GetAudioSpecificConfig(std::vector&lt; uint8_t &gt; *buffer) const override</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/dda/ac3__header_8cc_source.html#l00111">ac3_header.cc:111</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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