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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_375ba2cfd8fd5b05c50b92d996b9d386.html">formats</a></li><li class="navelem"><a class="el" href="../../dir_c727d19e3a8f99ea2539fb71bdb2ad10.html">packed_audio</a></li> </ul>
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<div class="title">packed_audio_segmenter.cc</div> </div>
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<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 2018 Google LLC. All rights reserved.</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div>
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<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>
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<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>
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<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>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>  </div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "packager/media/formats/packed_audio/packed_audio_segmenter.h"</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  </div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <memory></span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/media/base/id3_tag.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/media/base/media_sample.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "packager/media/codecs/aac_audio_specific_config.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "packager/media/codecs/hls_audio_util.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "packager/status_macros.h"</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> std::string TimestampToString(uint64_t timestamp) {</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="comment">// https://tools.ietf.org/html/rfc8216 The ID3 payload MUST be a 33-bit MPEG-2</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="comment">// Program Elementary Stream timestamp expressed as a big-endian eight-octet</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="comment">// number, with the upper 31 bits set to zero.</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  timestamp &= 0x1FFFFFFFFull;</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  BufferWriter buffer;</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  buffer.AppendInt(timestamp);</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordflow">return</span> std::string(buffer.Buffer(), buffer.Buffer() + buffer.Size());</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> }</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
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<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#a7cadce72cd6c52fd8564b79a5c328b9a"> 32</a></span> <a class="code" href="../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#a7cadce72cd6c52fd8564b79a5c328b9a">PackedAudioSegmenter::PackedAudioSegmenter</a>(</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  uint32_t transport_stream_timestamp_offset)</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  : transport_stream_timestamp_offset_(transport_stream_timestamp_offset) {}</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> PackedAudioSegmenter::~PackedAudioSegmenter() = <span class="keywordflow">default</span>;</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
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<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#aaca6b224a4fc198b4c7d599c1348d6c2"> 38</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#aaca6b224a4fc198b4c7d599c1348d6c2">PackedAudioSegmenter::Initialize</a>(<span class="keyword">const</span> <a class="code" href="../../d5/db1/classshaka_1_1media_1_1StreamInfo.html">StreamInfo</a>& stream_info) {</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">const</span> StreamType stream_type = stream_info.stream_type();</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">if</span> (stream_type != StreamType::kStreamAudio) {</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  LOG(ERROR) << <span class="stringliteral">"PackedAudioSegmenter cannot handle stream type "</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  << stream_type;</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::MUXER_FAILURE, <span class="stringliteral">"Unsupported stream type."</span>);</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  }</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  codec_ = stream_info.codec();</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  audio_codec_config_ = stream_info.codec_config();</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  timescale_scale_ = kPackedAudioTimescale / stream_info.time_scale();</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">if</span> (codec_ == kCodecAAC) {</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  adts_converter_ = CreateAdtsConverter();</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">if</span> (!adts_converter_->Parse(audio_codec_config_)) {</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::MUXER_FAILURE, <span class="stringliteral">"Invalid audio codec configuration."</span>);</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  }</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> }</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div>
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<div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#ac403002f18ebdecfbdcb0b6dd5b3da4e"> 60</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#ac403002f18ebdecfbdcb0b6dd5b3da4e">PackedAudioSegmenter::AddSample</a>(<span class="keyword">const</span> <a class="code" href="../../d7/d6d/classshaka_1_1media_1_1MediaSample.html">MediaSample</a>& sample) {</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">if</span> (sample.is_encrypted() && audio_setup_information_.empty())</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  RETURN_IF_ERROR(EncryptionAudioSetup(sample));</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  </div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> (start_of_new_segment_) {</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  RETURN_IF_ERROR(StartNewSegment(sample));</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  start_of_new_segment_ = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  }</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  </div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> (adts_converter_) {</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  std::vector<uint8_t> audio_frame;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">if</span> (!adts_converter_->ConvertToADTS(sample.data(), sample.data_size(),</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  &audio_frame))</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::MUXER_FAILURE, <span class="stringliteral">"Failed to convert to ADTS."</span>);</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  segment_buffer_.AppendArray(audio_frame.data(), audio_frame.size());</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  segment_buffer_.AppendArray(sample.data(), sample.data_size());</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> }</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
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<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#ad9e72b3ecdde3e2e200c2566a33e08c7"> 81</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#ad9e72b3ecdde3e2e200c2566a33e08c7">PackedAudioSegmenter::FinalizeSegment</a>() {</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  start_of_new_segment_ = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> }</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  </div>
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<div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#ae74956e5b79d0e74ecce440bd7849670"> 86</a></span> <span class="keywordtype">double</span> <a class="code" href="../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#ae74956e5b79d0e74ecce440bd7849670">PackedAudioSegmenter::TimescaleScale</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">return</span> timescale_scale_;</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> }</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> std::unique_ptr<AACAudioSpecificConfig></div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> PackedAudioSegmenter::CreateAdtsConverter() {</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> std::unique_ptr<AACAudioSpecificConfig>(<span class="keyword">new</span> <a class="code" href="../../d0/da2/classshaka_1_1media_1_1AACAudioSpecificConfig.html">AACAudioSpecificConfig</a>);</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> }</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> std::unique_ptr<Id3Tag> PackedAudioSegmenter::CreateId3Tag() {</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> std::unique_ptr<Id3Tag>(<span class="keyword">new</span> Id3Tag);</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> }</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  </div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> Status PackedAudioSegmenter::EncryptionAudioSetup(<span class="keyword">const</span> MediaSample& sample) {</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// For codecs other than AC3, audio setup data is the audio codec</span></div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">// configuration data.</span></div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">const</span> uint8_t* audio_setup_data = audio_codec_config_.data();</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordtype">size_t</span> audio_setup_data_size = audio_codec_config_.size();</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span> (codec_ == kCodecAC3) {</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">// https://goo.gl/N7Tvqi MPEG-2 Stream Encryption Format for HTTP Live</span></div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// Streaming 2.3.2.2 AC-3 Setup: For AC-3, the setup_data in the</span></div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// audio_setup_information is the first 10 bytes of the audio data (the</span></div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="comment">// syncframe()).</span></div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> kSetupDataSize = 10u;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">if</span> (sample.data_size() < kSetupDataSize) {</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  LOG(ERROR) << <span class="stringliteral">"Sample is too small for AC3: "</span> << sample.data_size();</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">return</span> Status(error::MUXER_FAILURE, <span class="stringliteral">"Sample is too small for AC3."</span>);</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  audio_setup_data = sample.data();</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  audio_setup_data_size = kSetupDataSize;</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  </div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  BufferWriter buffer;</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> (!WriteAudioSetupInformation(codec_, audio_setup_data,</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  audio_setup_data_size, &buffer)) {</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">return</span> Status(error::MUXER_FAILURE,</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="stringliteral">"Failed to write audio setup information."</span>);</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  }</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  audio_setup_information_.assign(buffer.Buffer(),</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  buffer.Buffer() + buffer.Size());</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> }</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  </div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> Status PackedAudioSegmenter::StartNewSegment(<span class="keyword">const</span> MediaSample& sample) {</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  segment_buffer_.Clear();</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  </div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">const</span> int64_t pts =</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  sample.pts() * timescale_scale_ + transport_stream_timestamp_offset_;</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span> (pts < 0) {</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  LOG(ERROR) << <span class="stringliteral">"Seeing negative timestamp "</span> << pts</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  << <span class="stringliteral">" after applying offset "</span></div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  << transport_stream_timestamp_offset_</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  << <span class="stringliteral">". Please check if it is expected. Adjust "</span></div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="stringliteral">"--transport_stream_timestamp_offset_ms if needed."</span>;</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">return</span> Status(error::MUXER_FAILURE, <span class="stringliteral">"Unsupported negative timestamp."</span>);</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  </div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// Use a unique_ptr so it can be mocked for testing.</span></div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  std::unique_ptr<Id3Tag> id3_tag = CreateId3Tag();</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  id3_tag->AddPrivateFrame(kTimestampOwnerIdentifier, TimestampToString(pts));</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">if</span> (!audio_setup_information_.empty()) {</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  id3_tag->AddPrivateFrame(kAudioDescriptionOwnerIdentifier,</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  audio_setup_information_);</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  }</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  CHECK(id3_tag->WriteToBuffer(&segment_buffer_));</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  </div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> }</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  </div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> } <span class="comment">// namespace shaka</span></div>
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<div class="ttc" id="aclassshaka_1_1Status_html"><div class="ttname"><a href="../../d2/d20/classshaka_1_1Status.html">shaka::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d13/status_8h_source.html#l00110">status.h:110</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1AACAudioSpecificConfig_html"><div class="ttname"><a href="../../d0/da2/classshaka_1_1media_1_1AACAudioSpecificConfig.html">shaka::media::AACAudioSpecificConfig</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d7e/aac__audio__specific__config_8h_source.html#l00023">aac_audio_specific_config.h:23</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1MediaSample_html"><div class="ttname"><a href="../../d7/d6d/classshaka_1_1media_1_1MediaSample.html">shaka::media::MediaSample</a></div><div class="ttdoc">Class to hold a media sample.</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d80/media__sample_8h_source.html#l00022">media_sample.h:22</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1PackedAudioSegmenter_html_a7cadce72cd6c52fd8564b79a5c328b9a"><div class="ttname"><a href="../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#a7cadce72cd6c52fd8564b79a5c328b9a">shaka::media::PackedAudioSegmenter::PackedAudioSegmenter</a></div><div class="ttdeci">PackedAudioSegmenter(uint32_t transport_stream_timestamp_offset)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d51/packed__audio__segmenter_8cc_source.html#l00032">packed_audio_segmenter.cc:32</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1PackedAudioSegmenter_html_aaca6b224a4fc198b4c7d599c1348d6c2"><div class="ttname"><a href="../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#aaca6b224a4fc198b4c7d599c1348d6c2">shaka::media::PackedAudioSegmenter::Initialize</a></div><div class="ttdeci">virtual Status Initialize(const StreamInfo &stream_info)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d51/packed__audio__segmenter_8cc_source.html#l00038">packed_audio_segmenter.cc:38</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1PackedAudioSegmenter_html_ac403002f18ebdecfbdcb0b6dd5b3da4e"><div class="ttname"><a href="../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#ac403002f18ebdecfbdcb0b6dd5b3da4e">shaka::media::PackedAudioSegmenter::AddSample</a></div><div class="ttdeci">virtual Status AddSample(const MediaSample &sample)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d51/packed__audio__segmenter_8cc_source.html#l00060">packed_audio_segmenter.cc:60</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1PackedAudioSegmenter_html_ad9e72b3ecdde3e2e200c2566a33e08c7"><div class="ttname"><a href="../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#ad9e72b3ecdde3e2e200c2566a33e08c7">shaka::media::PackedAudioSegmenter::FinalizeSegment</a></div><div class="ttdeci">virtual Status FinalizeSegment()</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d51/packed__audio__segmenter_8cc_source.html#l00081">packed_audio_segmenter.cc:81</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1PackedAudioSegmenter_html_ae74956e5b79d0e74ecce440bd7849670"><div class="ttname"><a href="../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#ae74956e5b79d0e74ecce440bd7849670">shaka::media::PackedAudioSegmenter::TimescaleScale</a></div><div class="ttdeci">virtual double TimescaleScale() const</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d51/packed__audio__segmenter_8cc_source.html#l00086">packed_audio_segmenter.cc:86</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1StreamInfo_html"><div class="ttname"><a href="../../d5/db1/classshaka_1_1media_1_1StreamInfo.html">shaka::media::StreamInfo</a></div><div class="ttdoc">Abstract class holds stream information.</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/daa/stream__info_8h_source.html#l00065">stream_info.h:65</a></div></div>
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<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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