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<div class="title">ts_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 2016 Google Inc. 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/mp2t/ts_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/audio_stream_info.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/muxer_util.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/base/video_stream_info.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/event/muxer_listener.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "packager/media/formats/mp2t/pes_packet.h"</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "packager/media/formats/mp2t/program_map_table_writer.h"</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "packager/status.h"</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "packager/status_macros.h"</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</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="l00021"></a><span class="lineno"> 21</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">namespace </span>mp2t {</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">const</span> <span class="keywordtype">double</span> kTsTimescale = 90000;</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keywordtype">bool</span> IsAudioCodec(Codec codec) {</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordflow">return</span> codec >= kCodecAudio && codec < kCodecAudioMaxPlusOne;</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>  </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keywordtype">bool</span> IsVideoCodec(Codec codec) {</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordflow">return</span> codec >= kCodecVideo && codec < kCodecVideoMaxPlusOne;</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> }</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
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<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#af0e91f691388ecffb8a473554707c917"> 37</a></span> <a class="code" href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#af0e91f691388ecffb8a473554707c917">TsSegmenter::TsSegmenter</a>(<span class="keyword">const</span> <a class="code" href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html">MuxerOptions</a>& options, <a class="code" href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html">MuxerListener</a>* listener)</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  : muxer_options_(options),</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  listener_(listener),</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  transport_stream_timestamp_offset_(</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  options.transport_stream_timestamp_offset_ms * kTsTimescale / 1000),</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  pes_packet_generator_(</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  new <a class="code" href="../../d5/de0/classshaka_1_1media_1_1mp2t_1_1PesPacketGenerator.html">PesPacketGenerator</a>(transport_stream_timestamp_offset_)) {}</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> TsSegmenter::~TsSegmenter() {}</div>
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<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"><a class="line" href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#aac6e3950224709b78b9f1e054a8ca194"> 47</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#aac6e3950224709b78b9f1e054a8ca194">TsSegmenter::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="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">if</span> (muxer_options_.<a class="code" href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#ab98cfd28046fc5c52ab2a45dba1a339a">segment_template</a>.empty())</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::MUXER_FAILURE, <span class="stringliteral">"Segment template not specified."</span>);</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">if</span> (!pes_packet_generator_->Initialize(stream_info)) {</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::MUXER_FAILURE,</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="stringliteral">"Failed to initialize PesPacketGenerator."</span>);</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</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>  <span class="keyword">const</span> StreamType stream_type = stream_info.stream_type();</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">if</span> (stream_type != StreamType::kStreamVideo &&</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  stream_type != StreamType::kStreamAudio) {</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  LOG(ERROR) << <span class="stringliteral">"TsWriter cannot handle stream type "</span> << stream_type</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  << <span class="stringliteral">" yet."</span>;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</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="l00061"></a><span class="lineno"> 61</span>  }</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  codec_ = stream_info.codec();</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> (stream_type == StreamType::kStreamAudio)</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  audio_codec_config_ = stream_info.codec_config();</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  timescale_scale_ = kTsTimescale / stream_info.time_scale();</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> }</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div>
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<div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#ac92da7c996e2a270fd704facc8f7a149"> 71</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#ac92da7c996e2a270fd704facc8f7a149">TsSegmenter::Finalize</a>() {</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> }</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
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<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#ad1f32c39f29599522f58fe6567b890e4"> 75</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#ad1f32c39f29599522f58fe6567b890e4">TsSegmenter::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="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">if</span> (!ts_writer_) {</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  std::unique_ptr<ProgramMapTableWriter> pmt_writer;</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">if</span> (codec_ == kCodecAC3) {</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</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="l00080"></a><span class="lineno"> 80</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="l00081"></a><span class="lineno"> 81</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="l00082"></a><span class="lineno"> 82</span>  <span class="comment">// syncframe()).</span></div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// For unencrypted AC3, the setup_data is not used, so what is in there</span></div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// does not matter.</span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> kSetupDataSize = 10u;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">if</span> (sample.data_size() < kSetupDataSize) {</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</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="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::MUXER_FAILURE, <span class="stringliteral">"Sample is too small for AC3."</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>  <span class="keyword">const</span> std::vector<uint8_t> setup_data(sample.data(),</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  sample.data() + kSetupDataSize);</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  pmt_writer.reset(<span class="keyword">new</span> <a class="code" href="../../dc/d1c/classshaka_1_1media_1_1mp2t_1_1AudioProgramMapTableWriter.html">AudioProgramMapTableWriter</a>(codec_, setup_data));</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (IsAudioCodec(codec_)) {</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  pmt_writer.reset(</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">new</span> <a class="code" href="../../dc/d1c/classshaka_1_1media_1_1mp2t_1_1AudioProgramMapTableWriter.html">AudioProgramMapTableWriter</a>(codec_, audio_codec_config_));</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  DCHECK(IsVideoCodec(codec_));</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  pmt_writer.reset(<span class="keyword">new</span> <a class="code" href="../../da/d6a/classshaka_1_1media_1_1mp2t_1_1VideoProgramMapTableWriter.html">VideoProgramMapTableWriter</a>(codec_));</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  ts_writer_.reset(<span class="keyword">new</span> <a class="code" href="../../de/d64/classshaka_1_1media_1_1mp2t_1_1TsWriter.html">TsWriter</a>(std::move(pmt_writer)));</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  </div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">if</span> (sample.is_encrypted())</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  ts_writer_->SignalEncrypted();</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> (!segment_started_ && !sample.is_key_frame())</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  LOG(WARNING) << <span class="stringliteral">"A segment will start with a non key frame."</span>;</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">if</span> (!pes_packet_generator_->PushSample(sample)) {</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::MUXER_FAILURE,</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="stringliteral">"Failed to add sample to PesPacketGenerator."</span>);</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">return</span> WritePesPackets();</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> }</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  </div>
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<div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#ae3ed0f86d2163444e24a2577e35517a9"> 116</a></span> <span class="keywordtype">void</span> <a class="code" href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#ae3ed0f86d2163444e24a2577e35517a9">TsSegmenter::InjectTsWriterForTesting</a>(std::unique_ptr<TsWriter> writer) {</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  ts_writer_ = std::move(writer);</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> }</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  </div>
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<div class="line"><a name="l00120"></a><span class="lineno"><a class="line" href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#abb78b18426643d58bc44ea61823dc29c"> 120</a></span> <span class="keywordtype">void</span> <a class="code" href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#abb78b18426643d58bc44ea61823dc29c">TsSegmenter::InjectPesPacketGeneratorForTesting</a>(</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  std::unique_ptr<PesPacketGenerator> generator) {</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  pes_packet_generator_ = std::move(generator);</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>  </div>
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<div class="line"><a name="l00125"></a><span class="lineno"><a class="line" href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#a386f30026b2699bfaeba60fa6bb835fb"> 125</a></span> <span class="keywordtype">void</span> <a class="code" href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#a386f30026b2699bfaeba60fa6bb835fb">TsSegmenter::SetSegmentStartedForTesting</a>(<span class="keywordtype">bool</span> value) {</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  segment_started_ = value;</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> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> TsSegmenter::StartSegmentIfNeeded(int64_t next_pts) {</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (segment_started_)</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  segment_start_timestamp_ = next_pts;</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">if</span> (!ts_writer_->NewSegment(&segment_buffer_))</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</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 initialize new segment."</span>);</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  segment_started_ = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> }</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  </div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> TsSegmenter::WritePesPackets() {</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">while</span> (pes_packet_generator_->NumberOfReadyPesPackets() > 0u) {</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  std::unique_ptr<PesPacket> pes_packet =</div>
|
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  pes_packet_generator_->GetNextPesPacket();</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  </div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> status = StartSegmentIfNeeded(pes_packet->pts());</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">if</span> (!status.ok())</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">return</span> status;</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  </div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> (listener_ && IsVideoCodec(codec_) && pes_packet->is_key_frame()) {</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>  uint64_t start_pos = segment_buffer_.Size();</div>
|
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">const</span> int64_t timestamp = pes_packet->pts();</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">if</span> (!ts_writer_->AddPesPacket(std::move(pes_packet), &segment_buffer_))</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</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 add PES packet."</span>);</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  </div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  uint64_t end_pos = segment_buffer_.Size();</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  </div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  listener_-><a class="code" href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#ade7b35913ba90256e567085af1649138">OnKeyFrame</a>(timestamp, start_pos, end_pos - start_pos);</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  } <span class="keywordflow">else</span> {</div>
|
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">if</span> (!ts_writer_->AddPesPacket(std::move(pes_packet), &segment_buffer_))</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</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 add PES packet."</span>);</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  }</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> }</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  </div>
|
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<div class="line"><a name="l00166"></a><span class="lineno"><a class="line" href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#ac0c76888b5c3b3a25600a3f126dc92f8"> 166</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#ac0c76888b5c3b3a25600a3f126dc92f8">TsSegmenter::FinalizeSegment</a>(uint64_t start_timestamp,</div>
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|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  uint64_t duration) {</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> (!pes_packet_generator_->Flush()) {</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</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 flush PesPacketGenerator."</span>);</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  }</div>
|
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> status = WritePesPackets();</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">if</span> (!status.ok())</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">return</span> status;</div>
|
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  </div>
|
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="comment">// This method may be called from Finalize() so segment_started_ could</span></div>
|
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// be false.</span></div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">if</span> (!segment_started_)</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  std::string segment_path =</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  GetSegmentName(muxer_options_.<a class="code" href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#ab98cfd28046fc5c52ab2a45dba1a339a">segment_template</a>, segment_start_timestamp_,</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  segment_number_++, muxer_options_.<a class="code" href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a930587b1f3a3e38cf1e7974f01d8ce1e">bandwidth</a>);</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  </div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keyword">const</span> int64_t file_size = segment_buffer_.Size();</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  std::unique_ptr<File, FileCloser> segment_file;</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  segment_file.reset(<a class="code" href="../../d3/d73/classshaka_1_1File.html#a68a15f623c2a1601879f291f93a1f464">File::Open</a>(segment_path.c_str(), <span class="stringliteral">"w"</span>));</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">if</span> (!segment_file) {</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::FILE_FAILURE,</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="stringliteral">"Cannot open file for write "</span> + segment_path);</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>  </div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  RETURN_IF_ERROR(segment_buffer_.<a class="code" href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#a868dba843fcf923dd140fdda859a3a6d">WriteToFile</a>(segment_file.get()));</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  </div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">if</span> (!segment_file.release()->Close()) {</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  error::FILE_FAILURE,</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="stringliteral">"Cannot close file "</span> + segment_path +</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="stringliteral">", possibly file permission issue or running out of disk space."</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>  </div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">if</span> (listener_) {</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  listener_-><a class="code" href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#aaf755e05c40fdadcca6113164f0585c6">OnNewSegment</a>(segment_path,</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  start_timestamp * timescale_scale_ +</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  transport_stream_timestamp_offset_,</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  duration * timescale_scale_, file_size);</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  }</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  segment_started_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  </div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> }</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  </div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> } <span class="comment">// namespace mp2t</span></div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> } <span class="comment">// namespace media</span></div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> } <span class="comment">// namespace shaka</span></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
<div class="ttc" id="aclassshaka_1_1media_1_1MuxerListener_html_ade7b35913ba90256e567085af1649138"><div class="ttname"><a href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#ade7b35913ba90256e567085af1649138">shaka::media::MuxerListener::OnKeyFrame</a></div><div class="ttdeci">virtual void OnKeyFrame(int64_t timestamp, uint64_t start_byte_offset, uint64_t size)=0</div></div>
|
|
<div class="ttc" id="astructshaka_1_1media_1_1MuxerOptions_html_ab98cfd28046fc5c52ab2a45dba1a339a"><div class="ttname"><a href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#ab98cfd28046fc5c52ab2a45dba1a339a">shaka::media::MuxerOptions::segment_template</a></div><div class="ttdeci">std::string segment_template</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00040">muxer_options.h:40</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_1mp2t_1_1TsSegmenter_html_ad1f32c39f29599522f58fe6567b890e4"><div class="ttname"><a href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#ad1f32c39f29599522f58fe6567b890e4">shaka::media::mp2t::TsSegmenter::AddSample</a></div><div class="ttdeci">Status AddSample(const MediaSample &sample)</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/de9/ts__segmenter_8cc_source.html#l00075">ts_segmenter.cc:75</a></div></div>
|
|
<div class="ttc" id="aclassshaka_1_1media_1_1mp2t_1_1AudioProgramMapTableWriter_html"><div class="ttname"><a href="../../dc/d1c/classshaka_1_1media_1_1mp2t_1_1AudioProgramMapTableWriter.html">shaka::media::mp2t::AudioProgramMapTableWriter</a></div><div class="ttdoc">ProgramMapTableWriter for video codecs.</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dcd/program__map__table__writer_8h_source.html#l00079">program_map_table_writer.h:79</a></div></div>
|
|
<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>
|
|
<div class="ttc" id="astructshaka_1_1media_1_1MuxerOptions_html"><div class="ttname"><a href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html">shaka::media::MuxerOptions</a></div><div class="ttdoc">This structure contains the list of configuration options for Muxer.</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00020">muxer_options.h:20</a></div></div>
|
|
<div class="ttc" id="aclassshaka_1_1media_1_1BufferWriter_html_a868dba843fcf923dd140fdda859a3a6d"><div class="ttname"><a href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html#a868dba843fcf923dd140fdda859a3a6d">shaka::media::BufferWriter::WriteToFile</a></div><div class="ttdeci">Status WriteToFile(File *file)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/dd3/buffer__writer_8cc_source.html#l00070">buffer_writer.cc:70</a></div></div>
|
|
<div class="ttc" id="aclassshaka_1_1media_1_1MuxerListener_html"><div class="ttname"><a href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html">shaka::media::MuxerListener</a></div><div class="ttdef"><b>Definition:</b> <a href="../../de/dfa/muxer__listener_8h_source.html#l00032">muxer_listener.h:32</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1mp2t_1_1VideoProgramMapTableWriter_html"><div class="ttname"><a href="../../da/d6a/classshaka_1_1media_1_1mp2t_1_1VideoProgramMapTableWriter.html">shaka::media::mp2t::VideoProgramMapTableWriter</a></div><div class="ttdoc">ProgramMapTableWriter for video codecs.</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dcd/program__map__table__writer_8h_source.html#l00065">program_map_table_writer.h:65</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1mp2t_1_1TsSegmenter_html_ae3ed0f86d2163444e24a2577e35517a9"><div class="ttname"><a href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#ae3ed0f86d2163444e24a2577e35517a9">shaka::media::mp2t::TsSegmenter::InjectTsWriterForTesting</a></div><div class="ttdeci">void InjectTsWriterForTesting(std::unique_ptr< TsWriter > writer)</div><div class="ttdoc">Only for testing.</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/de9/ts__segmenter_8cc_source.html#l00116">ts_segmenter.cc:116</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1mp2t_1_1TsSegmenter_html_af0e91f691388ecffb8a473554707c917"><div class="ttname"><a href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#af0e91f691388ecffb8a473554707c917">shaka::media::mp2t::TsSegmenter::TsSegmenter</a></div><div class="ttdeci">TsSegmenter(const MuxerOptions &options, MuxerListener *listener)</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/de9/ts__segmenter_8cc_source.html#l00037">ts_segmenter.cc:37</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1mp2t_1_1TsSegmenter_html_a386f30026b2699bfaeba60fa6bb835fb"><div class="ttname"><a href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#a386f30026b2699bfaeba60fa6bb835fb">shaka::media::mp2t::TsSegmenter::SetSegmentStartedForTesting</a></div><div class="ttdeci">void SetSegmentStartedForTesting(bool value)</div><div class="ttdoc">Only for testing.</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/de9/ts__segmenter_8cc_source.html#l00125">ts_segmenter.cc:125</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1mp2t_1_1TsSegmenter_html_abb78b18426643d58bc44ea61823dc29c"><div class="ttname"><a href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#abb78b18426643d58bc44ea61823dc29c">shaka::media::mp2t::TsSegmenter::InjectPesPacketGeneratorForTesting</a></div><div class="ttdeci">void InjectPesPacketGeneratorForTesting(std::unique_ptr< PesPacketGenerator > generator)</div><div class="ttdoc">Only for testing.</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/de9/ts__segmenter_8cc_source.html#l00120">ts_segmenter.cc:120</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1mp2t_1_1PesPacketGenerator_html"><div class="ttname"><a href="../../d5/de0/classshaka_1_1media_1_1mp2t_1_1PesPacketGenerator.html">shaka::media::mp2t::PesPacketGenerator</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d88/pes__packet__generator_8h_source.html#l00029">pes_packet_generator.h:29</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_1MuxerListener_html_aaf755e05c40fdadcca6113164f0585c6"><div class="ttname"><a href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#aaf755e05c40fdadcca6113164f0585c6">shaka::media::MuxerListener::OnNewSegment</a></div><div class="ttdeci">virtual void OnNewSegment(const std::string &segment_name, int64_t start_time, int64_t duration, uint64_t segment_file_size)=0</div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1mp2t_1_1TsSegmenter_html_ac0c76888b5c3b3a25600a3f126dc92f8"><div class="ttname"><a href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#ac0c76888b5c3b3a25600a3f126dc92f8">shaka::media::mp2t::TsSegmenter::FinalizeSegment</a></div><div class="ttdeci">Status FinalizeSegment(uint64_t start_timestamp, uint64_t duration)</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/de9/ts__segmenter_8cc_source.html#l00166">ts_segmenter.cc:166</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1mp2t_1_1TsSegmenter_html_aac6e3950224709b78b9f1e054a8ca194"><div class="ttname"><a href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#aac6e3950224709b78b9f1e054a8ca194">shaka::media::mp2t::TsSegmenter::Initialize</a></div><div class="ttdeci">Status Initialize(const StreamInfo &stream_info)</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/de9/ts__segmenter_8cc_source.html#l00047">ts_segmenter.cc:47</a></div></div>
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<div class="ttc" id="astructshaka_1_1media_1_1MuxerOptions_html_a930587b1f3a3e38cf1e7974f01d8ce1e"><div class="ttname"><a href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a930587b1f3a3e38cf1e7974f01d8ce1e">shaka::media::MuxerOptions::bandwidth</a></div><div class="ttdeci">uint32_t bandwidth</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00047">muxer_options.h:47</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1mp2t_1_1TsSegmenter_html_ac92da7c996e2a270fd704facc8f7a149"><div class="ttname"><a href="../../de/dde/classshaka_1_1media_1_1mp2t_1_1TsSegmenter.html#ac92da7c996e2a270fd704facc8f7a149">shaka::media::mp2t::TsSegmenter::Finalize</a></div><div class="ttdeci">Status Finalize()</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/de9/ts__segmenter_8cc_source.html#l00071">ts_segmenter.cc:71</a></div></div>
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<div class="ttc" id="aclassshaka_1_1File_html_a68a15f623c2a1601879f291f93a1f464"><div class="ttname"><a href="../../d3/d73/classshaka_1_1File.html#a68a15f623c2a1601879f291f93a1f464">shaka::File::Open</a></div><div class="ttdeci">virtual bool Open()=0</div><div class="ttdoc">Internal open. Should not be used directly.</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="aclassshaka_1_1media_1_1mp2t_1_1TsWriter_html"><div class="ttname"><a href="../../de/d64/classshaka_1_1media_1_1mp2t_1_1TsWriter.html">shaka::media::mp2t::TsWriter</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d8/dca/ts__writer_8h_source.html#l00030">ts_writer.h:30</a></div></div>
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