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<div class="title">packed_audio_writer.cc</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 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_writer.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 "packager/media/base/muxer_util.h"</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</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="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/status_macros.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  </div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</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="l00014"></a><span class="lineno"> 14</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"><a class="line" href="../../d6/d48/classshaka_1_1media_1_1PackedAudioWriter.html#a8454bb12d56cb1e209822363ad3b0bc5"> 16</a></span> <a class="code" href="../../d6/d48/classshaka_1_1media_1_1PackedAudioWriter.html#a8454bb12d56cb1e209822363ad3b0bc5">PackedAudioWriter::PackedAudioWriter</a>(<span class="keyword">const</span> <a class="code" href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html">MuxerOptions</a>& muxer_options)</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  : <a class="code" href="../../df/d46/classshaka_1_1media_1_1Muxer.html">Muxer</a>(muxer_options),</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  transport_stream_timestamp_offset_(</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  muxer_options.transport_stream_timestamp_offset_ms *</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  kPackedAudioTimescale / 1000),</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  segmenter_(new <a class="code" href="../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html">PackedAudioSegmenter</a>(transport_stream_timestamp_offset_)) {</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> }</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> PackedAudioWriter::~PackedAudioWriter() = <span class="keywordflow">default</span>;</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> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> PackedAudioWriter::InitializeMuxer() {</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordflow">if</span> (streams().size() > 1u)</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::MUXER_FAILURE, <span class="stringliteral">"Cannot handle more than one streams."</span>);</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>  RETURN_IF_ERROR(segmenter_->Initialize(*streams()[0]));</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"> 32</span>  <span class="keywordflow">if</span> (options().segment_template.empty()) {</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">const</span> std::string& file_name = options().<a class="code" href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a5397ee8759a663aea68261600e528d82">output_file_name</a>;</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  DCHECK(!file_name.empty());</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  output_file_.reset(<a class="code" href="../../d3/d73/classshaka_1_1File.html#a68a15f623c2a1601879f291f93a1f464">File::Open</a>(file_name.c_str(), <span class="stringliteral">"w"</span>));</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">if</span> (!output_file_) {</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::FILE_FAILURE,</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="stringliteral">"Cannot open file for write "</span> + file_name);</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  }</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  }</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  </div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">if</span> (muxer_listener()) {</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  muxer_listener()-><a class="code" href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#a31536ec385a7ec22f323a42b872b499a">OnMediaStart</a>(options(), *streams().front(),</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  kPackedAudioTimescale,</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  MuxerListener::kContainerPackedAudio);</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"> 47</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> }</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> Status PackedAudioWriter::Finalize() {</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">if</span> (output_file_)</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  RETURN_IF_ERROR(CloseFile(std::move(output_file_)));</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>  <span class="keywordflow">if</span> (muxer_listener()) {</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  muxer_listener()-><a class="code" href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#a11d4301cd53ab421f524bfa143eac21a">OnMediaEnd</a>(</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  media_ranges_, total_duration_ * segmenter_->TimescaleScale());</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> Status::OK;</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"> 60</span>  </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> Status PackedAudioWriter::AddMediaSample(<span class="keywordtype">size_t</span> stream_id,</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">const</span> MediaSample& sample) {</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  DCHECK_EQ(stream_id, 0u);</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> segmenter_->AddSample(sample);</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> }</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> Status PackedAudioWriter::FinalizeSegment(<span class="keywordtype">size_t</span> stream_id,</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">const</span> SegmentInfo& segment_info) {</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  DCHECK_EQ(stream_id, 0u);</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// PackedAudio does not support subsegment.</span></div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">if</span> (segment_info.is_subsegment)</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>  RETURN_IF_ERROR(segmenter_->FinalizeSegment());</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  </div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">const</span> uint64_t segment_timestamp =</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  segment_info.start_timestamp * segmenter_->TimescaleScale();</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  std::string segment_path =</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  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="l00080"></a><span class="lineno"> 80</span>  ? options().<a class="code" href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a5397ee8759a663aea68261600e528d82">output_file_name</a></div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  : GetSegmentName(options().segment_template, segment_timestamp,</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  segment_number_++, options().bandwidth);</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  </div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// Save |segment_size| as it will be cleared after writing.</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> segment_size = segmenter_->segment_buffer()->Size();</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  RETURN_IF_ERROR(WriteSegment(segment_path, segmenter_->segment_buffer()));</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  total_duration_ += segment_info.duration;</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="keywordflow">if</span> (muxer_listener()) {</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  muxer_listener()-><a class="code" href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#aaf755e05c40fdadcca6113164f0585c6">OnNewSegment</a>(</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  segment_path, segment_timestamp + transport_stream_timestamp_offset_,</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  segment_info.duration * segmenter_->TimescaleScale(), segment_size);</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>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> }</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> Status PackedAudioWriter::WriteSegment(<span class="keyword">const</span> std::string& segment_path,</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  BufferWriter* segment_buffer) {</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  std::unique_ptr<File, FileCloser> file;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (output_file_) {</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// This is in single segment mode.</span></div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  Range range;</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  range.start = media_ranges_.<a class="code" href="../../d1/d03/structshaka_1_1media_1_1MuxerListener_1_1MediaRanges.html#a836626da601a9f6ea54502c7e5bdd7c9">subsegment_ranges</a>.empty()</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  ? 0</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  : (media_ranges_.<a class="code" href="../../d1/d03/structshaka_1_1media_1_1MuxerListener_1_1MediaRanges.html#a836626da601a9f6ea54502c7e5bdd7c9">subsegment_ranges</a>.back().end + 1);</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  range.end = range.start + segment_buffer->Size() - 1;</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  media_ranges_.<a class="code" href="../../d1/d03/structshaka_1_1media_1_1MuxerListener_1_1MediaRanges.html#a836626da601a9f6ea54502c7e5bdd7c9">subsegment_ranges</a>.push_back(range);</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  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>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span> (!file) {</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">return</span> Status(error::FILE_FAILURE,</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="stringliteral">"Cannot open file for write "</span> + segment_path);</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"> 116</span>  </div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  RETURN_IF_ERROR(segment_buffer->WriteToFile(output_file_ ? output_file_.get()</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  : file.get()));</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"> 120</span>  <span class="keywordflow">if</span> (file)</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  RETURN_IF_ERROR(CloseFile(std::move(file)));</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">return</span> Status::OK;</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"> 125</span> Status PackedAudioWriter::CloseFile(std::unique_ptr<File, FileCloser> file) {</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  std::string file_name = file->file_name();</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">if</span> (!file.release()->Close()) {</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">return</span> Status(</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  error::FILE_FAILURE,</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="stringliteral">"Cannot close file "</span> + file_name +</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="stringliteral">", possibly file permission issue or running out of disk space."</span>);</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> }</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  </div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> } <span class="comment">// namespace shaka</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="aclassshaka_1_1media_1_1Muxer_html"><div class="ttname"><a href="../../df/d46/classshaka_1_1media_1_1Muxer.html">shaka::media::Muxer</a></div><div class="ttdef"><b>Definition:</b> <a href="../../db/df6/muxer_8h_source.html#l00030">muxer.h:30</a></div></div>
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<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>
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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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<div class="ttc" id="astructshaka_1_1media_1_1MuxerListener_1_1MediaRanges_html_a836626da601a9f6ea54502c7e5bdd7c9"><div class="ttname"><a href="../../d1/d03/structshaka_1_1media_1_1MuxerListener_1_1MediaRanges.html#a836626da601a9f6ea54502c7e5bdd7c9">shaka::media::MuxerListener::MediaRanges::subsegment_ranges</a></div><div class="ttdeci">std::vector< Range > subsegment_ranges</div><div class="ttdef"><b>Definition:</b> <a href="../../de/dfa/muxer__listener_8h_source.html#l00054">muxer_listener.h:54</a></div></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="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>
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<div class="ttc" id="aclassshaka_1_1media_1_1PackedAudioSegmenter_html"><div class="ttname"><a href="../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html">shaka::media::PackedAudioSegmenter</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d2e/packed__audio__segmenter_8h_source.html#l00040">packed_audio_segmenter.h:40</a></div></div>
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<div class="ttc" id="astructshaka_1_1media_1_1MuxerOptions_html_a5397ee8759a663aea68261600e528d82"><div class="ttname"><a href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a5397ee8759a663aea68261600e528d82">shaka::media::MuxerOptions::output_file_name</a></div><div class="ttdeci">std::string output_file_name</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00034">muxer_options.h:34</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1MuxerListener_html_a11d4301cd53ab421f524bfa143eac21a"><div class="ttname"><a href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#a11d4301cd53ab421f524bfa143eac21a">shaka::media::MuxerListener::OnMediaEnd</a></div><div class="ttdeci">virtual void OnMediaEnd(const MediaRanges &media_ranges, float duration_seconds)=0</div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1PackedAudioWriter_html_a8454bb12d56cb1e209822363ad3b0bc5"><div class="ttname"><a href="../../d6/d48/classshaka_1_1media_1_1PackedAudioWriter.html#a8454bb12d56cb1e209822363ad3b0bc5">shaka::media::PackedAudioWriter::PackedAudioWriter</a></div><div class="ttdeci">PackedAudioWriter(const MuxerOptions &muxer_options)</div><div class="ttdoc">Create a MP4Muxer object from MuxerOptions.</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/deb/packed__audio__writer_8cc_source.html#l00016">packed_audio_writer.cc:16</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1MuxerListener_html_a31536ec385a7ec22f323a42b872b499a"><div class="ttname"><a href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#a31536ec385a7ec22f323a42b872b499a">shaka::media::MuxerListener::OnMediaStart</a></div><div class="ttdeci">virtual void OnMediaStart(const MuxerOptions &muxer_options, const StreamInfo &stream_info, uint32_t time_scale, ContainerType container_type)=0</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_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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