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<div class="title">segmenter.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 2014 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/mp4/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 <algorithm></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/base/logging.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/buffer_writer.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/id3_tag.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/base/media_sample.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/base/muxer_options.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/base/muxer_util.h"</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "packager/media/base/stream_info.h"</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "packager/media/chunking/chunking_handler.h"</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "packager/media/event/progress_listener.h"</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "packager/media/formats/mp4/box_definitions.h"</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "packager/media/formats/mp4/fragmenter.h"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "packager/media/formats/mp4/key_frame_info.h"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "packager/version/version.h"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</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="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">namespace </span>mp4 {</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </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> uint64_t Rescale(uint64_t time_in_old_scale,</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  uint32_t old_scale,</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  uint32_t new_scale) {</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(time_in_old_scale) / old_scale * new_scale;</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>  </div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  </div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> Segmenter::Segmenter(<span class="keyword">const</span> MuxerOptions& options,</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  std::unique_ptr<FileType> ftyp,</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  std::unique_ptr<Movie> moov)</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  : options_(options),</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  ftyp_(std::move(ftyp)),</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  moov_(std::move(moov)),</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  moof_(new MovieFragment()),</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  fragment_buffer_(new BufferWriter()),</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  sidx_(new SegmentIndex()) {}</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> Segmenter::~Segmenter() {}</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div>
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<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#acc2d4e58b3fa4b41a0637f52288d81d9"> 51</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a32c8a682b36241529d0c302a023140d2">Segmenter::Initialize</a>(</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">const</span> std::vector<std::shared_ptr<const StreamInfo>>& streams,</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html">MuxerListener</a>* muxer_listener,</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="../../d4/de6/classshaka_1_1media_1_1ProgressListener.html">ProgressListener</a>* progress_listener) {</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  DCHECK_LT(0u, streams.size());</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  muxer_listener_ = muxer_listener;</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  progress_listener_ = progress_listener;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  moof_->header.sequence_number = 0;</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>  moof_->tracks.resize(streams.size());</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  fragmenters_.resize(streams.size());</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  stream_durations_.resize(streams.size());</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">for</span> (uint32_t i = 0; i < streams.size(); ++i) {</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  moof_->tracks[i].header.track_id = i + 1;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">if</span> (streams[i]->stream_type() == kStreamVideo) {</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// Use the first video stream as the reference stream (which is 1-based).</span></div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (sidx_->reference_id == 0)</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  sidx_->reference_id = i + 1;</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"> 71</span>  </div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">const</span> <a class="code" href="../../d3/dbe/structshaka_1_1media_1_1mp4_1_1EditList.html">EditList</a>& edit_list = moov_->tracks[i].edit.list;</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  int64_t edit_list_offset = 0;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">if</span> (edit_list.edits.size() > 0) {</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  DCHECK_EQ(edit_list.edits.size(), 1u);</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  edit_list_offset = edit_list.edits.front().media_time;</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>  </div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  fragmenters_[i].reset(</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">new</span> <a class="code" href="../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html">Fragmenter</a>(streams[i], &moof_->tracks[i], edit_list_offset));</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// Choose the first stream if there is no VIDEO.</span></div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (sidx_->reference_id == 0)</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  sidx_->reference_id = 1;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  sidx_->timescale = streams[GetReferenceStreamId()]->time_scale();</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  </div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// Use media duration as progress target.</span></div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  progress_target_ = streams[GetReferenceStreamId()]->duration();</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// Use the reference stream's time scale as movie time scale.</span></div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  moov_->header.timescale = sidx_->timescale;</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  moof_->header.sequence_number = 1;</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="comment">// Fill in version information.</span></div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">const</span> std::string version = GetPackagerVersion();</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">if</span> (!version.empty()) {</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  moov_->metadata.handler.handler_type = FOURCC_ID32;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  moov_->metadata.id3v2.language.code = <span class="stringliteral">"eng"</span>;</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  </div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="../../de/d26/classshaka_1_1media_1_1Id3Tag.html">Id3Tag</a> id3_tag;</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  id3_tag.<a class="code" href="../../de/d26/classshaka_1_1media_1_1Id3Tag.html#a90a47470efaf3a956ec60da770bb3f37">AddPrivateFrame</a>(GetPackagerProjectUrl(), version);</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  CHECK(id3_tag.<a class="code" href="../../de/d26/classshaka_1_1media_1_1Id3Tag.html#abf7b6258d9c648d93122631de698431e">WriteToVector</a>(&moov_->metadata.id3v2.id3v2_data));</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">return</span> DoInitialize();</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> }</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
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<div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a464a30159b8888a54254356d191947ac"> 108</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aa84782877f1afaf9519a552ac3d5d417">Segmenter::Finalize</a>() {</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// Set movie duration. Note that the duration in mvhd, tkhd, mdhd should not</span></div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// be touched, i.e. kept at 0. The updated moov box will be written to output</span></div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">// file for VOD and static live case only.</span></div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  moov_->extends.header.fragment_duration = 0;</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < stream_durations_.size(); ++i) {</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  uint64_t duration =</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  Rescale(stream_durations_[i], moov_->tracks[i].media.header.timescale,</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  moov_->header.timescale);</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (duration > moov_->extends.header.fragment_duration)</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  moov_->extends.header.fragment_duration = duration;</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  }</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> DoFinalize();</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> }</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  </div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a6b859a1e564cf007a34f6bfa2d48baeb"> 123</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a94352e60afa9b2409fecd4e45a56e547">Segmenter::AddSample</a>(<span class="keywordtype">size_t</span> stream_id, <span class="keyword">const</span> <a class="code" href="../../d7/d6d/classshaka_1_1media_1_1MediaSample.html">MediaSample</a>& sample) {</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// Set default sample duration if it has not been set yet.</span></div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">if</span> (moov_->extends.tracks[stream_id].default_sample_duration == 0) {</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  moov_->extends.tracks[stream_id].default_sample_duration =</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  sample.duration();</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  </div>
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|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  DCHECK_LT(stream_id, fragmenters_.size());</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html">Fragmenter</a>* fragmenter = fragmenters_[stream_id].get();</div>
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|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">if</span> (fragmenter->fragment_finalized()) {</div>
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|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::FRAGMENT_FINALIZED,</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="stringliteral">"Current fragment is finalized already."</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>  </div>
|
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> status = fragmenter-><a class="code" href="../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html#a993d83a58a8407d46279b3490723c5ca">AddSample</a>(sample);</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">if</span> (!status.ok())</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">return</span> status;</div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">if</span> (sample_duration_ == 0)</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  sample_duration_ = sample.duration();</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  stream_durations_[stream_id] += sample.duration();</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> }</div>
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|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  </div>
|
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<div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#adfe43b76600564a2836ed78070549656"> 147</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a3c7123d6d9321c72d8bd737f1f9d3c01">Segmenter::FinalizeSegment</a>(<span class="keywordtype">size_t</span> stream_id,</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> <a class="code" href="../../d0/dc0/structshaka_1_1media_1_1SegmentInfo.html">SegmentInfo</a>& segment_info) {</div>
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|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (segment_info.key_rotation_encryption_config) {</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  FinalizeFragmentForKeyRotation(</div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  stream_id, segment_info.is_encrypted,</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  *segment_info.key_rotation_encryption_config);</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>  DCHECK_LT(stream_id, fragmenters_.size());</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html">Fragmenter</a>* fragmenter = fragmenters_[stream_id].get();</div>
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|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  DCHECK(fragmenter);</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> status = fragmenter-><a class="code" href="../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html#ae943e13eb86d54cffb7174d4513e4541">FinalizeFragment</a>();</div>
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|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">if</span> (!status.ok())</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">return</span> status;</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>  <span class="comment">// Check if all tracks are ready for fragmentation.</span></div>
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|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> std::unique_ptr<Fragmenter>& fragmenter : fragmenters_) {</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">if</span> (!fragmenter->fragment_finalized())</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  </div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <a class="code" href="../../d7/dae/structshaka_1_1media_1_1mp4_1_1MediaData.html">MediaData</a> mdat;</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="comment">// Data offset relative to 'moof': moof size + mdat header size.</span></div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">// The code will also update box sizes for moof_ and its child boxes.</span></div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  uint64_t data_offset = moof_-><a class="code" href="../../d1/d2d/structshaka_1_1media_1_1mp4_1_1Box.html#aa4e47d0ba81e234707c76ca36e32c1d5">ComputeSize</a>() + mdat.<a class="code" href="../../d1/d2d/structshaka_1_1media_1_1mp4_1_1Box.html#a07928a0497473150999ceaee018edaa2">HeaderSize</a>();</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">// 'traf' should follow 'mfhd' moof header box.</span></div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  uint64_t next_traf_position = moof_->HeaderSize() + moof_->header.box_size();</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < moof_->tracks.size(); ++i) {</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <a class="code" href="../../df/d7b/structshaka_1_1media_1_1mp4_1_1TrackFragment.html">TrackFragment</a>& traf = moof_->tracks[i];</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">if</span> (traf.auxiliary_offset.offsets.size() > 0) {</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  DCHECK_EQ(traf.auxiliary_offset.offsets.size(), 1u);</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  DCHECK(!traf.sample_encryption.sample_encryption_entries.empty());</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  </div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  next_traf_position += traf.<a class="code" href="../../d1/d2d/structshaka_1_1media_1_1mp4_1_1Box.html#ad0186e0f9301bd07c52a55a8b1db0419">box_size</a>();</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">// SampleEncryption 'senc' box should be the last box in 'traf'.</span></div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="comment">// |auxiliary_offset| should point to the data of SampleEncryption.</span></div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  traf.auxiliary_offset.offsets[0] =</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  next_traf_position - traf.sample_encryption.<a class="code" href="../../d1/d2d/structshaka_1_1media_1_1mp4_1_1Box.html#ad0186e0f9301bd07c52a55a8b1db0419">box_size</a>() +</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  traf.sample_encryption.<a class="code" href="../../dd/dc1/structshaka_1_1media_1_1mp4_1_1FullBox.html#a21cc4d085f650dc18a20a4dd05cb6750">HeaderSize</a>() +</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keyword">sizeof</span>(uint32_t); <span class="comment">// for sample count field in 'senc'</span></div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  traf.runs[0].data_offset = data_offset + mdat.data_size;</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  mdat.data_size += <span class="keyword">static_cast<</span>uint32_t<span class="keyword">></span>(fragmenters_[i]->data()->Size());</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>  </div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="comment">// Generate segment reference.</span></div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  sidx_->references.resize(sidx_->references.size() + 1);</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  fragmenters_[GetReferenceStreamId()]->GenerateSegmentReference(</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  &sidx_->references[sidx_->references.size() - 1]);</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  sidx_->references[sidx_->references.size() - 1].referenced_size =</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  data_offset + mdat.data_size;</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>  <span class="keyword">const</span> uint64_t moof_start_offset = fragment_buffer_->Size();</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  </div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="comment">// Write the fragment to buffer.</span></div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  moof_->Write(fragment_buffer_.get());</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  mdat.<a class="code" href="../../d1/d2d/structshaka_1_1media_1_1mp4_1_1Box.html#a57b8837c93d51f5cf03d3862069d509a">WriteHeader</a>(fragment_buffer_.get());</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  </div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordtype">bool</span> first_key_frame = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> std::unique_ptr<Fragmenter>& fragmenter : fragmenters_) {</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="comment">// https://goo.gl/xcFus6 6. Trick play requirements</span></div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="comment">// 6.10. If using fMP4, I-frame segments must include the 'moof' header</span></div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="comment">// associated with the I-frame. It also implies that only the first key</span></div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="comment">// frame can be included.</span></div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">if</span> (!fragmenter->key_frame_infos().empty() && first_key_frame) {</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keyword">const</span> <a class="code" href="../../d6/de2/structshaka_1_1media_1_1mp4_1_1KeyFrameInfo.html">KeyFrameInfo</a>& key_frame_info =</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  fragmenter->key_frame_infos().front();</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  first_key_frame = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  key_frame_infos_.push_back(</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  {key_frame_info.timestamp, moof_start_offset,</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  fragment_buffer_->Size() - moof_start_offset + key_frame_info.size});</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  }</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  fragment_buffer_->AppendBuffer(*fragmenter->data());</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  }</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  </div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="comment">// Increase sequence_number for next fragment.</span></div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  ++moof_->header.sequence_number;</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  </div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">for</span> (std::unique_ptr<Fragmenter>& fragmenter : fragmenters_)</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  fragmenter->ClearFragmentFinalized();</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">if</span> (!segment_info.is_subsegment) {</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> status = DoFinalizeSegment();</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="comment">// Reset segment information to initial state.</span></div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  sidx_->references.clear();</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  key_frame_infos_.clear();</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">return</span> status;</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  }</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> }</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  </div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> uint32_t Segmenter::GetReferenceTimeScale()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">return</span> moov_->header.timescale;</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> }</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  </div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"><a class="line" href="../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a4a8e69eff130e3ce8817541958a8e4fe"> 241</a></span> <span class="keywordtype">double</span> Segmenter::GetDuration()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  uint64_t duration = moov_->extends.header.fragment_duration;</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">if</span> (duration == 0) {</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="comment">// Handling the case where this is not properly initialized.</span></div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">return</span> 0.0;</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  }</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(duration) / moov_->header.timescale;</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> }</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  </div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"><a class="line" href="../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#afd8bb3584c984c711615800ad93642a3"> 250</a></span> <span class="keywordtype">void</span> <a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a32dc8b7461252b99fe52384b04e3bca2">Segmenter::UpdateProgress</a>(uint64_t progress) {</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  accumulated_progress_ += progress;</div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  </div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">if</span> (!progress_listener_) <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">if</span> (progress_target_ == 0) <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="comment">// It might happen that accumulated progress exceeds progress_target due to</span></div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="comment">// computation errors, e.g. rounding error. Cap it so it never reports > 100%</span></div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="comment">// progress.</span></div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">if</span> (accumulated_progress_ >= progress_target_) {</div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  progress_listener_-><a class="code" href="../../d4/de6/classshaka_1_1media_1_1ProgressListener.html#a9c32e569c50194a106f7e9242749e7e7">OnProgress</a>(1.0);</div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  progress_listener_-><a class="code" href="../../d4/de6/classshaka_1_1media_1_1ProgressListener.html#a9c32e569c50194a106f7e9242749e7e7">OnProgress</a>(<span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(accumulated_progress_) /</div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  progress_target_);</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  }</div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> }</div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  </div>
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<div class="line"><a name="l00266"></a><span class="lineno"><a class="line" href="../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#adea4bf88a29660bd8612ae3bc5048068"> 266</a></span> <span class="keywordtype">void</span> Segmenter::SetComplete() {</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">if</span> (!progress_listener_) <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  progress_listener_-><a class="code" href="../../d4/de6/classshaka_1_1media_1_1ProgressListener.html#a9c32e569c50194a106f7e9242749e7e7">OnProgress</a>(1.0);</div>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> }</div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  </div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> uint32_t Segmenter::GetReferenceStreamId() {</div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  DCHECK(sidx_);</div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">return</span> sidx_->reference_id - 1;</div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> }</div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  </div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="keywordtype">void</span> Segmenter::FinalizeFragmentForKeyRotation(</div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordtype">size_t</span> stream_id,</div>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordtype">bool</span> fragment_encrypted,</div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keyword">const</span> <a class="code" href="../../d7/d34/structshaka_1_1media_1_1EncryptionConfig.html">EncryptionConfig</a>& encryption_config) {</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">if</span> (options_.<a class="code" href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#aa616f5958ea9df2d70f3fe42ff47ff43">mp4_params</a>.<a class="code" href="../../d0/d43/structshaka_1_1Mp4OutputParams.html#abdff0b6ab552e27e275d8d23cc2f60b1">include_pssh_in_stream</a>) {</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  moof_->pssh.clear();</div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& key_system_info = encryption_config.key_system_info;</div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="../../d0/d86/structshaka_1_1media_1_1ProtectionSystemSpecificInfo.html">ProtectionSystemSpecificInfo</a>& system : key_system_info) {</div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">if</span> (system.psshs.empty())</div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  ProtectionSystemSpecificHeader pssh;</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  pssh.raw_box = system.psshs;</div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  moof_->pssh.push_back(pssh);</div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  }</div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  LOG(WARNING)</div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  << <span class="stringliteral">"Key rotation and no pssh in stream may not work well together."</span>;</div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  }</div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  </div>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="comment">// Skip the following steps if the current fragment is not going to be</span></div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// encrypted. 'pssh' box needs to be included in the fragment, which is</span></div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="comment">// performed above, regardless of whether the fragment is encrypted. This is</span></div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="comment">// necessary for two reasons: 1) Requesting keys before reaching encrypted</span></div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="comment">// content avoids playback delay due to license requests; 2) In Chrome, CDM</span></div>
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|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="comment">// must be initialized before starting the playback and CDM can only be</span></div>
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="comment">// initialized with a valid 'pssh'.</span></div>
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<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">if</span> (!fragment_encrypted)</div>
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<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">return</span>;</div>
|
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  </div>
|
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  DCHECK_LT(stream_id, moof_->tracks.size());</div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  TrackFragment& traf = moof_->tracks[stream_id];</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  traf.sample_group_descriptions.resize(traf.sample_group_descriptions.size() +</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  1);</div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  SampleGroupDescription& sample_group_description =</div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  traf.sample_group_descriptions.back();</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  sample_group_description.grouping_type = FOURCC_seig;</div>
|
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  </div>
|
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  sample_group_description.cenc_sample_encryption_info_entries.resize(1);</div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  CencSampleEncryptionInfoEntry& sample_group_entry =</div>
|
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  sample_group_description.cenc_sample_encryption_info_entries.back();</div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  sample_group_entry.is_protected = 1;</div>
|
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<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  sample_group_entry.per_sample_iv_size = encryption_config.per_sample_iv_size;</div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  sample_group_entry.constant_iv = encryption_config.constant_iv;</div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  sample_group_entry.crypt_byte_block = encryption_config.crypt_byte_block;</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  sample_group_entry.skip_byte_block = encryption_config.skip_byte_block;</div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  sample_group_entry.key_id = encryption_config.key_id;</div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> }</div>
|
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  </div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> } <span class="comment">// namespace mp4</span></div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> } <span class="comment">// namespace media</span></div>
|
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<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> } <span class="comment">// namespace shaka</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="astructshaka_1_1Mp4OutputParams_html_abdff0b6ab552e27e275d8d23cc2f60b1"><div class="ttname"><a href="../../d0/d43/structshaka_1_1Mp4OutputParams.html#abdff0b6ab552e27e275d8d23cc2f60b1">shaka::Mp4OutputParams::include_pssh_in_stream</a></div><div class="ttdeci">bool include_pssh_in_stream</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dbe/mp4__output__params_8h_source.html#l00018">mp4_output_params.h:18</a></div></div>
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<div class="ttc" id="astructshaka_1_1media_1_1MuxerOptions_html_aa616f5958ea9df2d70f3fe42ff47ff43"><div class="ttname"><a href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#aa616f5958ea9df2d70f3fe42ff47ff43">shaka::media::MuxerOptions::mp4_params</a></div><div class="ttdeci">Mp4OutputParams mp4_params</div><div class="ttdoc">MP4 (ISO-BMFF) specific parameters.</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00025">muxer_options.h:25</a></div></div>
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<div class="ttc" id="astructshaka_1_1media_1_1ProtectionSystemSpecificInfo_html"><div class="ttname"><a href="../../d0/d86/structshaka_1_1media_1_1ProtectionSystemSpecificInfo.html">shaka::media::ProtectionSystemSpecificInfo</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d59/protection__system__specific__info_8h_source.html#l00020">protection_system_specific_info.h:20</a></div></div>
|
|
<div class="ttc" id="aclassshaka_1_1media_1_1Id3Tag_html_abf7b6258d9c648d93122631de698431e"><div class="ttname"><a href="../../de/d26/classshaka_1_1media_1_1Id3Tag.html#abf7b6258d9c648d93122631de698431e">shaka::media::Id3Tag::WriteToVector</a></div><div class="ttdeci">virtual bool WriteToVector(std::vector< uint8_t > *output)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d39/id3__tag_8cc_source.html#l00067">id3_tag.cc:67</a></div></div>
|
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<div class="ttc" id="astructshaka_1_1media_1_1mp4_1_1Box_html_a57b8837c93d51f5cf03d3862069d509a"><div class="ttname"><a href="../../d1/d2d/structshaka_1_1media_1_1mp4_1_1Box.html#a57b8837c93d51f5cf03d3862069d509a">shaka::media::mp4::Box::WriteHeader</a></div><div class="ttdeci">void WriteHeader(BufferWriter *writer)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d4d/box_8cc_source.html#l00038">box.cc:38</a></div></div>
|
|
<div class="ttc" id="aclassshaka_1_1media_1_1ProgressListener_html_a9c32e569c50194a106f7e9242749e7e7"><div class="ttname"><a href="../../d4/de6/classshaka_1_1media_1_1ProgressListener.html#a9c32e569c50194a106f7e9242749e7e7">shaka::media::ProgressListener::OnProgress</a></div><div class="ttdeci">virtual void OnProgress(double progress)=0</div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1mp4_1_1Fragmenter_html"><div class="ttname"><a href="../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html">shaka::media::mp4::Fragmenter</a></div><div class="ttdef"><b>Definition:</b> <a href="../../da/dd1/fragmenter_8h_source.html#l00031">fragmenter.h:31</a></div></div>
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<div class="ttc" id="astructshaka_1_1media_1_1SegmentInfo_html"><div class="ttname"><a href="../../d0/dc0/structshaka_1_1media_1_1SegmentInfo.html">shaka::media::SegmentInfo</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00055">media_handler.h:55</a></div></div>
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|
<div class="ttc" id="aclassshaka_1_1media_1_1Id3Tag_html_a90a47470efaf3a956ec60da770bb3f37"><div class="ttname"><a href="../../de/d26/classshaka_1_1media_1_1Id3Tag.html#a90a47470efaf3a956ec60da770bb3f37">shaka::media::Id3Tag::AddPrivateFrame</a></div><div class="ttdeci">virtual void AddPrivateFrame(const std::string &owner, const std::string &data)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d39/id3__tag_8cc_source.html#l00049">id3_tag.cc:49</a></div></div>
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<div class="ttc" id="astructshaka_1_1media_1_1mp4_1_1MediaData_html"><div class="ttname"><a href="../../d7/dae/structshaka_1_1media_1_1mp4_1_1MediaData.html">shaka::media::mp4::MediaData</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d7b/box__definitions_8h_source.html#l00812">box_definitions.h:812</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>
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<div class="ttc" id="aclassshaka_1_1media_1_1mp4_1_1Fragmenter_html_ae943e13eb86d54cffb7174d4513e4541"><div class="ttname"><a href="../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html#ae943e13eb86d54cffb7174d4513e4541">shaka::media::mp4::Fragmenter::FinalizeFragment</a></div><div class="ttdeci">Status FinalizeFragment()</div><div class="ttdoc">Finalize and optimize the fragment.</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d9a/fragmenter_8cc_source.html#l00159">fragmenter.cc:159</a></div></div>
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<div class="ttc" id="astructshaka_1_1media_1_1mp4_1_1FullBox_html_a21cc4d085f650dc18a20a4dd05cb6750"><div class="ttname"><a href="../../dd/dc1/structshaka_1_1media_1_1mp4_1_1FullBox.html#a21cc4d085f650dc18a20a4dd05cb6750">shaka::media::mp4::FullBox::HeaderSize</a></div><div class="ttdeci">uint32_t HeaderSize() const final</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d4d/box_8cc_source.html#l00075">box.cc:75</a></div></div>
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<div class="ttc" id="astructshaka_1_1media_1_1mp4_1_1TrackFragment_html"><div class="ttname"><a href="../../df/d7b/structshaka_1_1media_1_1mp4_1_1TrackFragment.html">shaka::media::mp4::TrackFragment</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d7b/box__definitions_8h_source.html#l00757">box_definitions.h:757</a></div></div>
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<div class="ttc" id="astructshaka_1_1media_1_1mp4_1_1EditList_html"><div class="ttname"><a href="../../d3/dbe/structshaka_1_1media_1_1mp4_1_1EditList.html">shaka::media::mp4::EditList</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d7b/box__definitions_8h_source.html#l00216">box_definitions.h:216</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1webm_1_1Segmenter_html_a32c8a682b36241529d0c302a023140d2"><div class="ttname"><a href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a32c8a682b36241529d0c302a023140d2">shaka::media::webm::Segmenter::Initialize</a></div><div class="ttdeci">Status Initialize(const StreamInfo &info, ProgressListener *progress_listener, MuxerListener *muxer_listener)</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d53/webm_2segmenter_8cc_source.html#l00078">segmenter.cc:78</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1webm_1_1Segmenter_html_a94352e60afa9b2409fecd4e45a56e547"><div class="ttname"><a href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a94352e60afa9b2409fecd4e45a56e547">shaka::media::webm::Segmenter::AddSample</a></div><div class="ttdeci">Status AddSample(const MediaSample &sample)</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d53/webm_2segmenter_8cc_source.html#l00161">segmenter.cc:161</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1webm_1_1Segmenter_html_a3c7123d6d9321c72d8bd737f1f9d3c01"><div class="ttname"><a href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a3c7123d6d9321c72d8bd737f1f9d3c01">shaka::media::webm::Segmenter::FinalizeSegment</a></div><div class="ttdeci">virtual Status FinalizeSegment(uint64_t start_timestamp, uint64_t duration_timestamp, bool is_subsegment)=0</div><div class="ttdoc">Finalize the (sub)segment.</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d53/webm_2segmenter_8cc_source.html#l00197">segmenter.cc:197</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_1mp4_1_1Box_html_ad0186e0f9301bd07c52a55a8b1db0419"><div class="ttname"><a href="../../d1/d2d/structshaka_1_1media_1_1mp4_1_1Box.html#ad0186e0f9301bd07c52a55a8b1db0419">shaka::media::mp4::Box::box_size</a></div><div class="ttdeci">uint32_t box_size()</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d19/box_8h_source.html#l00055">box.h:55</a></div></div>
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<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="astructshaka_1_1media_1_1mp4_1_1Box_html_aa4e47d0ba81e234707c76ca36e32c1d5"><div class="ttname"><a href="../../d1/d2d/structshaka_1_1media_1_1mp4_1_1Box.html#aa4e47d0ba81e234707c76ca36e32c1d5">shaka::media::mp4::Box::ComputeSize</a></div><div class="ttdeci">uint32_t ComputeSize()</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d4d/box_8cc_source.html#l00050">box.cc:50</a></div></div>
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<div class="ttc" id="astructshaka_1_1media_1_1mp4_1_1KeyFrameInfo_html"><div class="ttname"><a href="../../d6/de2/structshaka_1_1media_1_1mp4_1_1KeyFrameInfo.html">shaka::media::mp4::KeyFrameInfo</a></div><div class="ttdoc">Tracks key frame information.</div><div class="ttdef"><b>Definition:</b> <a href="../../de/dcc/key__frame__info_8h_source.html#l00017">key_frame_info.h:17</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1mp4_1_1Fragmenter_html_a993d83a58a8407d46279b3490723c5ca"><div class="ttname"><a href="../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html#a993d83a58a8407d46279b3490723c5ca">shaka::media::mp4::Fragmenter::AddSample</a></div><div class="ttdeci">Status AddSample(const MediaSample &sample)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d9a/fragmenter_8cc_source.html#l00065">fragmenter.cc:65</a></div></div>
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<div class="ttc" id="astructshaka_1_1media_1_1mp4_1_1Box_html_a07928a0497473150999ceaee018edaa2"><div class="ttname"><a href="../../d1/d2d/structshaka_1_1media_1_1mp4_1_1Box.html#a07928a0497473150999ceaee018edaa2">shaka::media::mp4::Box::HeaderSize</a></div><div class="ttdeci">virtual uint32_t HeaderSize() const</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d4d/box_8cc_source.html#l00055">box.cc:55</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1ProgressListener_html"><div class="ttname"><a href="../../d4/de6/classshaka_1_1media_1_1ProgressListener.html">shaka::media::ProgressListener</a></div><div class="ttdoc">This class listens to progress updates events.</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d9d/progress__listener_8h_source.html#l00020">progress_listener.h:20</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1webm_1_1Segmenter_html_a32dc8b7461252b99fe52384b04e3bca2"><div class="ttname"><a href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a32dc8b7461252b99fe52384b04e3bca2">shaka::media::webm::Segmenter::UpdateProgress</a></div><div class="ttdeci">void UpdateProgress(uint64_t progress)</div><div class="ttdoc">Update segmentation progress using ProgressListener.</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d53/webm_2segmenter_8cc_source.html#l00272">segmenter.cc:272</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_1webm_1_1Segmenter_html_aa84782877f1afaf9519a552ac3d5d417"><div class="ttname"><a href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aa84782877f1afaf9519a552ac3d5d417">shaka::media::webm::Segmenter::Finalize</a></div><div class="ttdeci">Status Finalize()</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d53/webm_2segmenter_8cc_source.html#l00152">segmenter.cc:152</a></div></div>
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<div class="ttc" id="astructshaka_1_1media_1_1EncryptionConfig_html"><div class="ttname"><a href="../../d7/d34/structshaka_1_1media_1_1EncryptionConfig.html">shaka::media::EncryptionConfig</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d05/encryption__config_8h_source.html#l00016">encryption_config.h:16</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1Id3Tag_html"><div class="ttname"><a href="../../de/d26/classshaka_1_1media_1_1Id3Tag.html">shaka::media::Id3Tag</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/dd7/id3__tag_8h_source.html#l00020">id3_tag.h:20</a></div></div>
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