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<li class="navelem"><a class="el" href="../../dir_39dc0668bd5a501998f94e8b4e546c71.html">media</a></li><li class="navelem"><a class="el" href="../../dir_65f7acfa8cf3a5f1edc11faa2428b914.html">formats</a></li><li class="navelem"><a class="el" href="../../dir_5039d854a18988ed1f1dbebc120ffbf7.html">webm</a></li> </ul>
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<div class="title">segmenter.cc</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2015 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/webm/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 "packager/base/time/time.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/base/audio_stream_info.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/media/base/media_sample.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/media/base/media_stream.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/muxer_options.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/muxer_util.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "packager/media/base/stream_info.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/video_stream_info.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/codecs/vp_codec_configuration_record.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/event/muxer_listener.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/third_party/libwebm/src/mkvmuxerutil.hpp"</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "packager/third_party/libwebm/src/webmids.hpp"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "packager/version/version.h"</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> <span class="keyword">namespace </span>shaka {</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span>webm {</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> int64_t kTimecodeScale = 1000000;</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> int64_t kSecondsToNs = 1000000000L;</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> Segmenter::Segmenter(<span class="keyword">const</span> MuxerOptions& options)</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  : reference_frame_timestamp_(0),</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  options_(options),</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  clear_lead_(0),</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  enable_encryption_(false),</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  info_(NULL),</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  muxer_listener_(NULL),</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  progress_listener_(NULL),</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  progress_target_(0),</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  accumulated_progress_(0),</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  first_timestamp_(0),</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  sample_duration_(0),</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  segment_payload_pos_(0),</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  cluster_length_sec_(0),</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  segment_length_sec_(0),</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  track_id_(0) {}</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="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aa6b32c805c4e662d97244531723ce9eb"> 51</a></span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a0440c751fd818964397d17330acc7afc">Segmenter::Initialize</a>(std::unique_ptr<MkvWriter> writer,</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="../../d5/db1/classshaka_1_1media_1_1StreamInfo.html">StreamInfo</a>* info,</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</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="l00054"></a><span class="lineno"> 54</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="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a>* encryption_key_source,</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  uint32_t max_sd_pixels,</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">double</span> clear_lead_in_seconds) {</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  muxer_listener_ = muxer_listener;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  info_ = info;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  clear_lead_ = clear_lead_in_seconds;</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// Use media duration as progress target.</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  progress_target_ = info_->duration();</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  progress_listener_ = progress_listener;</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>  segment_info_.Init();</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  segment_info_.set_timecode_scale(kTimecodeScale);</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">const</span> std::string version = GetPackagerVersion();</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">if</span> (!version.empty()) {</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  segment_info_.set_writing_app(</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  (GetPackagerProjectUrl() + <span class="stringliteral">" version "</span> + version).c_str());</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">if</span> (options().single_segment) {</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// Set an initial duration so the duration element is written; will be</span></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// overwritten at the end. This works because this is a float and floats</span></div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// are always the same size.</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  segment_info_.set_duration(1);</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> status;</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">if</span> (encryption_key_source) {</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  status = InitializeEncryptor(encryption_key_source,</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  max_sd_pixels);</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">if</span> (!status.ok())</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">return</span> status;</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// Create the track info.</span></div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">switch</span> (info_->stream_type()) {</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">case</span> kStreamVideo:</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  status = CreateVideoTrack(static_cast<VideoStreamInfo*>(info_));</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">case</span> kStreamAudio:</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  status = CreateAudioTrack(static_cast<AudioStreamInfo*>(info_));</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  NOTIMPLEMENTED() << <span class="stringliteral">"Not implemented for stream type: "</span></div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  << info_->stream_type();</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  status = <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a>(error::UNIMPLEMENTED, <span class="stringliteral">"Not implemented for stream type"</span>);</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">if</span> (!status.ok())</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">return</span> status;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">return</span> DoInitialize(std::move(writer));</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"> 108</span> </div>
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<div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aa84782877f1afaf9519a552ac3d5d417"> 109</a></span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a464a30159b8888a54254356d191947ac">Segmenter::Finalize</a>() {</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> status = WriteFrame(<span class="keyword">true</span> <span class="comment">/* write_duration */</span>);</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span> (!status.ok())</div>
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|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">return</span> status;</div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  uint64_t duration =</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  prev_sample_->pts() - first_timestamp_ + prev_sample_->duration();</div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  segment_info_.set_duration(FromBMFFTimescale(duration));</div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">return</span> DoFinalize();</div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> }</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div>
|
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<div class="line"><a name="l00120"></a><span class="lineno"><a class="line" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aa15ccabe1a33c660201ef1d8386067e5"> 120</a></span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a4a1a9e50050e75584ff1087aa318096a">Segmenter::AddSample</a>(scoped_refptr<MediaSample> sample) {</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (sample_duration_ == 0) {</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  first_timestamp_ = sample->pts();</div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  sample_duration_ = sample->duration();</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">if</span> (muxer_listener_)</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  muxer_listener_-><a class="code" href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#ad54aef6c349082d996a436ebea11eff2">OnSampleDurationReady</a>(sample_duration_);</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  }</div>
|
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div>
|
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#afd8bb3584c984c711615800ad93642a3">UpdateProgress</a>(sample->duration());</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">// This writes frames in a delay. Meaning that the previous frame is written</span></div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="comment">// on this call to AddSample. The current frame is stored until the next</span></div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// call. This is done to determine which frame is the last in a Cluster.</span></div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="comment">// This first block determines if this is a new Cluster and writes the</span></div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// previous frame first before creating the new Cluster.</span></div>
|
|
<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>  <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> status;</div>
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|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordtype">bool</span> wrote_frame = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">if</span> (!cluster_) {</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  status = NewSegment(sample->pts());</div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// First frame, so no previous frame to write.</span></div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  wrote_frame = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (segment_length_sec_ >= options_.<a class="code" href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a4e98ad5fc7bbc2df0cb95df3f1db9687">segment_duration</a>) {</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">if</span> (sample->is_key_frame() || !options_.<a class="code" href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a1f1336e9be8b12733fe28da083eaf93f">segment_sap_aligned</a>) {</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  status = WriteFrame(<span class="keyword">true</span> <span class="comment">/* write_duration */</span>);</div>
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|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  status.Update(NewSegment(sample->pts()));</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  segment_length_sec_ = 0;</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  cluster_length_sec_ = 0;</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  wrote_frame = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div>
|
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span> (encryptor_ && !enable_encryption_) {</div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">if</span> (sample->pts() - first_timestamp_ >=</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  clear_lead_ * info_->time_scale()) {</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  enable_encryption_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (muxer_listener_)</div>
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|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  muxer_listener_-><a class="code" href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#a897463091f0effa647a8e2822f48b2ee">OnEncryptionStart</a>();</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cluster_length_sec_ >= options_.<a class="code" href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a0dbe637b21f1f22f248437b59ad62a38">fragment_duration</a>) {</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">if</span> (sample->is_key_frame() || !options_.<a class="code" href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#acb335182d4bd226c1f044cc83705f4fc">fragment_sap_aligned</a>) {</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  status = WriteFrame(<span class="keyword">true</span> <span class="comment">/* write_duration */</span>);</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  status.Update(NewSubsegment(sample->pts()));</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  cluster_length_sec_ = 0;</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  wrote_frame = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</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>  <span class="keywordflow">if</span> (!wrote_frame) {</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  status = WriteFrame(<span class="keyword">false</span> <span class="comment">/* write_duration */</span>);</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (!status.ok())</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">return</span> status;</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="comment">// Encrypt the frame.</span></div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">if</span> (encryptor_) {</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  status = encryptor_->EncryptFrame(sample, enable_encryption_);</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">if</span> (!status.ok()) {</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  LOG(ERROR) << <span class="stringliteral">"Error encrypting frame."</span>;</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">return</span> status;</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>  }</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="comment">// Add the sample to the durations even though we have not written the frame</span></div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="comment">// yet. This is needed to make sure we split Clusters at the correct point.</span></div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">// These are only used in this method.</span></div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> duration_sec =</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(sample->duration()) / info_->time_scale();</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  cluster_length_sec_ += duration_sec;</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  segment_length_sec_ += duration_sec;</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> </div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  prev_sample_ = sample;</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> }</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a277aeb59ed41fc484a86101d565017ae"> 194</a></span> <span class="keywordtype">float</span> <a class="code" href="../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a7283c64cb63a94264ff8fe405b8ce5c2">Segmenter::GetDuration</a>()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">float</span><span class="keyword">></span>(segment_info_.duration()) *</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  segment_info_.timecode_scale() / kSecondsToNs;</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> }</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"><a class="line" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a66c49dfab5316bea5b7b318871aef129"> 199</a></span> uint64_t Segmenter::FromBMFFTimescale(uint64_t time_timescale) {</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">// Convert the time from BMFF time_code to WebM timecode scale.</span></div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">const</span> int64_t time_ns =</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  kSecondsToNs * time_timescale / info_->time_scale();</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">return</span> time_ns / segment_info_.timecode_scale();</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> </div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"><a class="line" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a8de27c5b6480f968cbef9eafec3731d7"> 206</a></span> uint64_t Segmenter::FromWebMTimecode(uint64_t time_webm_timecode) {</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="comment">// Convert the time to BMFF time_code from WebM timecode scale.</span></div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keyword">const</span> int64_t time_ns = time_webm_timecode * segment_info_.timecode_scale();</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">return</span> time_ns * info_->time_scale() / kSecondsToNs;</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> }</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"><a class="line" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aebcf73c5a1c3ae0f2608032d2a6ee445"> 212</a></span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> Segmenter::WriteSegmentHeader(uint64_t file_size, <a class="code" href="../../d1/d0a/classshaka_1_1media_1_1MkvWriter.html">MkvWriter</a>* writer) {</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> error_status(error::FILE_FAILURE, <span class="stringliteral">"Error writing segment header."</span>);</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">if</span> (!WriteEbmlHeader(writer))</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">return</span> error_status;</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">if</span> (WriteID(writer, mkvmuxer::kMkvSegment) != 0)</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">return</span> error_status;</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>  <span class="keyword">const</span> uint64_t segment_size_size = 8;</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  segment_payload_pos_ = writer-><a class="code" href="../../d1/d0a/classshaka_1_1media_1_1MkvWriter.html#a468dcd83a7c087cc83e755703488e92b">Position</a>() + segment_size_size;</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">if</span> (file_size > 0) {</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="comment">// We want the size of the segment element, so subtract the header.</span></div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">if</span> (WriteUIntSize(writer, file_size - segment_payload_pos_,</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  segment_size_size) != 0)</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">return</span> error_status;</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">if</span> (!seek_head_.Write(writer))</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">return</span> error_status;</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">if</span> (SerializeInt(writer, mkvmuxer::kEbmlUnknownValue, segment_size_size) !=</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  0)</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> error_status;</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="comment">// We don't know the header size, so write a placeholder.</span></div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">if</span> (!seek_head_.WriteVoid(writer))</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">return</span> error_status;</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  }</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  seek_head_.set_info_pos(writer-><a class="code" href="../../d1/d0a/classshaka_1_1media_1_1MkvWriter.html#a468dcd83a7c087cc83e755703488e92b">Position</a>() - segment_payload_pos_);</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">if</span> (!segment_info_.Write(writer))</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">return</span> error_status;</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> </div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  seek_head_.set_tracks_pos(writer-><a class="code" href="../../d1/d0a/classshaka_1_1media_1_1MkvWriter.html#a468dcd83a7c087cc83e755703488e92b">Position</a>() - segment_payload_pos_);</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">if</span> (!tracks_.Write(writer))</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">return</span> error_status;</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> Status::OK;</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="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a6060ddc97c58e4435d1db932de17e131"> 250</a></span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> Segmenter::SetCluster(uint64_t start_webm_timecode,</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  uint64_t position,</div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <a class="code" href="../../d1/d0a/classshaka_1_1media_1_1MkvWriter.html">MkvWriter</a>* writer) {</div>
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|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keyword">const</span> uint64_t scale = segment_info_.timecode_scale();</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  cluster_.reset(<span class="keyword">new</span> mkvmuxer::Cluster(start_webm_timecode, position, scale));</div>
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|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  cluster_->Init(writer);</div>
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|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordflow">return</span> Status::OK;</div>
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|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> }</div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> </div>
|
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<div class="line"><a name="l00259"></a><span class="lineno"><a class="line" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a32dc8b7461252b99fe52384b04e3bca2"> 259</a></span> <span class="keywordtype">void</span> <a class="code" href="../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#afd8bb3584c984c711615800ad93642a3">Segmenter::UpdateProgress</a>(uint64_t progress) {</div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  accumulated_progress_ += progress;</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">if</span> (!progress_listener_ || progress_target_ == 0)</div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</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="l00264"></a><span class="lineno"> 264</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="l00265"></a><span class="lineno"> 265</span>  <span class="comment">// progress.</span></div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">if</span> (accumulated_progress_ >= progress_target_) {</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</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="l00268"></a><span class="lineno"> 268</span>  } <span class="keywordflow">else</span> {</div>
|
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  progress_listener_-><a class="code" href="../../d4/de6/classshaka_1_1media_1_1ProgressListener.html#a9c32e569c50194a106f7e9242749e7e7">OnProgress</a>(static_cast<double>(accumulated_progress_) /</div>
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|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  progress_target_);</div>
|
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  }</div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> }</div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> Segmenter::CreateVideoTrack(<a class="code" href="../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html">VideoStreamInfo</a>* info) {</div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="comment">// The seed is only used to create a UID which we overwrite later.</span></div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> seed = 0;</div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  mkvmuxer::VideoTrack* track = <span class="keyword">new</span> mkvmuxer::VideoTrack(&seed);</div>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">if</span> (!track)</div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">return</span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a>(error::INTERNAL_ERROR, <span class="stringliteral">"Failed to create video track."</span>);</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> </div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">if</span> (info->codec() == kCodecVP8) {</div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  track->set_codec_id(mkvmuxer::Tracks::kVp8CodecId);</div>
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|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (info->codec() == kCodecVP9) {</div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  track->set_codec_id(mkvmuxer::Tracks::kVp9CodecId);</div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> </div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="comment">// The |StreamInfo::codec_config| field is stored using the MP4 format; we</span></div>
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|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="comment">// need to convert it to the WebM format.</span></div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <a class="code" href="../../d1/da5/classshaka_1_1media_1_1VPCodecConfigurationRecord.html">VPCodecConfigurationRecord</a> vp_config;</div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">if</span> (!vp_config.<a class="code" href="../../d1/da5/classshaka_1_1media_1_1VPCodecConfigurationRecord.html#aac5eac6e0a62201dcb68fd3f084bb281">ParseMP4</a>(info->codec_config())) {</div>
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|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">return</span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a>(error::INTERNAL_ERROR,</div>
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|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="stringliteral">"Unable to parse VP9 codec configuration"</span>);</div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  }</div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> </div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  std::vector<uint8_t> codec_config;</div>
|
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  vp_config.<a class="code" href="../../d1/da5/classshaka_1_1media_1_1VPCodecConfigurationRecord.html#ab5186aead4b73cc3cd33587f25f166ce">WriteWebM</a>(&codec_config);</div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">if</span> (!track->SetCodecPrivate(codec_config.data(), codec_config.size())) {</div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">return</span> Status(error::INTERNAL_ERROR,</div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="stringliteral">"Private codec data required for VP9 streams"</span>);</div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  }</div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  LOG(ERROR) << <span class="stringliteral">"Only VP8 and VP9 video codecs are supported."</span>;</div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">return</span> Status(error::UNIMPLEMENTED,</div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="stringliteral">"Only VP8 and VP9 video codecs are supported."</span>);</div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  }</div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> </div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  track->set_uid(info->track_id());</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">if</span> (!info->language().empty())</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  track->set_language(info->language().c_str());</div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  track->set_type(mkvmuxer::Tracks::kVideo);</div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  track->set_width(info->width());</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  track->set_height(info->height());</div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  track->set_display_height(info->height());</div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  track->set_display_width(info->width() * info-><a class="code" href="../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html#af5f655f36865a3af28bd0c7328e9a91e">pixel_width</a>() /</div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  info-><a class="code" href="../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html#ae420a97a606ef54be16beb49e42cd135">pixel_height</a>());</div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">if</span> (encryptor_)</div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  encryptor_->AddTrackInfo(track);</div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> </div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  tracks_.AddTrack(track, info->track_id());</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  track_id_ = track->number();</div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> }</div>
|
|
<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> Status Segmenter::CreateAudioTrack(AudioStreamInfo* info) {</div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="comment">// The seed is only used to create a UID which we overwrite later.</span></div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> seed = 0;</div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  mkvmuxer::AudioTrack* track = <span class="keyword">new</span> mkvmuxer::AudioTrack(&seed);</div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">if</span> (!track)</div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordflow">return</span> Status(error::INTERNAL_ERROR, <span class="stringliteral">"Failed to create audio track."</span>);</div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> </div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">if</span> (info->codec() == kCodecOpus) {</div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  track->set_codec_id(mkvmuxer::Tracks::kOpusCodecId);</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (info->codec() == kCodecVorbis) {</div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  track->set_codec_id(mkvmuxer::Tracks::kVorbisCodecId);</div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  LOG(ERROR) << <span class="stringliteral">"Only Vorbis and Opus audio codec is supported."</span>;</div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">return</span> Status(error::UNIMPLEMENTED,</div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="stringliteral">"Only Vorbis and Opus audio codecs are supported."</span>);</div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  }</div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">if</span> (!track->SetCodecPrivate(info->codec_config().data(),</div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  info->codec_config().size())) {</div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordflow">return</span> Status(error::INTERNAL_ERROR,</div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="stringliteral">"Private codec data required for audio streams"</span>);</div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  }</div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> </div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  track->set_uid(info->track_id());</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">if</span> (!info->language().empty())</div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  track->set_language(info->language().c_str());</div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  track->set_type(mkvmuxer::Tracks::kAudio);</div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  track->set_sample_rate(info->sampling_frequency());</div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  track->set_channels(info->num_channels());</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  track->set_seek_pre_roll(info->seek_preroll_ns());</div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  track->set_codec_delay(info->codec_delay_ns());</div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> </div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">if</span> (encryptor_)</div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  encryptor_->AddTrackInfo(track);</div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> </div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  tracks_.AddTrack(track, info->track_id());</div>
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  track_id_ = track->number();</div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> }</div>
|
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> </div>
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> Status Segmenter::InitializeEncryptor(KeySource* key_source,</div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  uint32_t max_sd_pixels) {</div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  encryptor_.reset(<span class="keyword">new</span> Encryptor());</div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keyword">const</span> KeySource::TrackType track_type =</div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  GetTrackTypeForEncryption(*info_, max_sd_pixels);</div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">if</span> (track_type == KeySource::TrackType::TRACK_TYPE_UNKNOWN)</div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">return</span> encryptor_->Initialize(muxer_listener_, track_type, info_->codec(),</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  key_source, options_.webm_subsample_encryption);</div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> }</div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> </div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> Status Segmenter::WriteFrame(<span class="keywordtype">bool</span> write_duration) {</div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="comment">// Create a frame manually so we can create non-SimpleBlock frames. This</span></div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="comment">// is required to allow the frame duration to be added. If the duration</span></div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="comment">// is not set, then a SimpleBlock will still be written.</span></div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  mkvmuxer::Frame frame;</div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> </div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">if</span> (!frame.Init(prev_sample_->data(), prev_sample_->data_size())) {</div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">return</span> Status(error::MUXER_FAILURE,</div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="stringliteral">"Error adding sample to segment: Frame::Init failed"</span>);</div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  }</div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> </div>
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">if</span> (write_duration) {</div>
|
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keyword">const</span> uint64_t duration_ns =</div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  prev_sample_->duration() * kSecondsToNs / info_->time_scale();</div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  frame.set_duration(duration_ns);</div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  }</div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  frame.set_is_key(prev_sample_->is_key_frame());</div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  frame.set_timestamp(prev_sample_->pts() * kSecondsToNs / info_->time_scale());</div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  frame.set_track_number(track_id_);</div>
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<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> </div>
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<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">if</span> (prev_sample_->side_data_size() > 0) {</div>
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<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  uint64_t block_add_id;</div>
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<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="comment">// First 8 bytes of side_data is the BlockAddID element's value, which is</span></div>
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<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="comment">// done to mimic ffmpeg behavior. See webm_cluster_parser.cc for details.</span></div>
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<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  CHECK_GT(prev_sample_->side_data_size(), <span class="keyword">sizeof</span>(block_add_id));</div>
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<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  memcpy(&block_add_id, prev_sample_->side_data(), <span class="keyword">sizeof</span>(block_add_id));</div>
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<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keywordflow">if</span> (!frame.AddAdditionalData(</div>
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<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  prev_sample_->side_data() + <span class="keyword">sizeof</span>(block_add_id),</div>
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<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  prev_sample_->side_data_size() - <span class="keyword">sizeof</span>(block_add_id),</div>
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<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  block_add_id)) {</div>
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<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keywordflow">return</span> Status(</div>
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<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  error::MUXER_FAILURE,</div>
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<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="stringliteral">"Error adding sample to segment: Frame::AddAditionalData Failed"</span>);</div>
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<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  }</div>
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<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  }</div>
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<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> </div>
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<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordflow">if</span> (!prev_sample_->is_key_frame() && !frame.CanBeSimpleBlock()) {</div>
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<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keyword">const</span> int64_t timestamp_ns =</div>
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<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  reference_frame_timestamp_ * kSecondsToNs / info_->time_scale();</div>
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<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  frame.set_reference_block_timestamp(timestamp_ns);</div>
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<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  }</div>
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<div class="line"><a name="l00415"></a><span class="lineno"> 415</span> </div>
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<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="comment">// GetRelativeTimecode will return -1 if the relative timecode is too large</span></div>
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<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="comment">// to fit in the frame.</span></div>
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<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">if</span> (cluster_->GetRelativeTimecode(frame.timestamp() /</div>
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<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  cluster_->timecode_scale()) < 0) {</div>
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<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> segment_duration =</div>
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<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(frame.timestamp()) / kSecondsToNs;</div>
|
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<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  LOG(ERROR) << <span class="stringliteral">"Error adding sample to segment: segment too large, "</span></div>
|
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<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  << segment_duration << <span class="stringliteral">" seconds."</span>;</div>
|
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<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">return</span> Status(error::MUXER_FAILURE,</div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="stringliteral">"Error adding sample to segment: segment too large"</span>);</div>
|
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<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  }</div>
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<div class="line"><a name="l00427"></a><span class="lineno"> 427</span> </div>
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<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">if</span> (!cluster_->AddFrame(&frame)) {</div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keywordflow">return</span> Status(error::MUXER_FAILURE,</div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="stringliteral">"Error adding sample to segment: Cluster::AddFrame failed"</span>);</div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div>
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<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> </div>
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|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="comment">// A reference frame is needed for non-keyframes. Having a reference to the</span></div>
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|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="comment">// previous block is good enough.</span></div>
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|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="comment">// See libwebm Segment::AddGenericFrame</span></div>
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  reference_frame_timestamp_ = prev_sample_->pts();</div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span> }</div>
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<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> </div>
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<div class="line"><a name="l00440"></a><span class="lineno"> 440</span> } <span class="comment">// namespace webm</span></div>
|
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<div class="line"><a name="l00441"></a><span class="lineno"> 441</span> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00442"></a><span class="lineno"> 442</span> } <span class="comment">// namespace shaka</span></div>
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<div class="ttc" id="classshaka_1_1media_1_1StreamInfo_html"><div class="ttname"><a href="../../d5/db1/classshaka_1_1media_1_1StreamInfo.html">shaka::media::StreamInfo</a></div><div class="ttdoc">Abstract class holds stream information. </div><div class="ttdef"><b>Definition:</b> <a href="../../d8/daa/stream__info_8h_source.html#l00053">stream_info.h:53</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1MuxerOptions_html_acb335182d4bd226c1f044cc83705f4fc"><div class="ttname"><a href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#acb335182d4bd226c1f044cc83705f4fc">shaka::media::MuxerOptions::fragment_sap_aligned</a></div><div class="ttdeci">bool fragment_sap_aligned</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00043">muxer_options.h:43</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1mp4_1_1Segmenter_html_a0440c751fd818964397d17330acc7afc"><div class="ttname"><a href="../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a0440c751fd818964397d17330acc7afc">shaka::media::mp4::Segmenter::Initialize</a></div><div class="ttdeci">Status Initialize(const std::vector< MediaStream * > &streams, MuxerListener *muxer_listener, ProgressListener *progress_listener, KeySource *encryption_key_source, uint32_t max_sd_pixels, double clear_lead_in_seconds, double crypto_period_duration_in_seconds, FourCC protection_scheme)</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/da8/mp4_2segmenter_8cc_source.html#l00166">segmenter.cc:166</a></div></div>
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|
<div class="ttc" id="classshaka_1_1media_1_1mp4_1_1Segmenter_html_afd8bb3584c984c711615800ad93642a3"><div class="ttname"><a href="../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#afd8bb3584c984c711615800ad93642a3">shaka::media::mp4::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="../../d2/da8/mp4_2segmenter_8cc_source.html#l00389">segmenter.cc:389</a></div></div>
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|
<div class="ttc" id="classshaka_1_1media_1_1MuxerListener_html_ad54aef6c349082d996a436ebea11eff2"><div class="ttname"><a href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#ad54aef6c349082d996a436ebea11eff2">shaka::media::MuxerListener::OnSampleDurationReady</a></div><div class="ttdeci">virtual void OnSampleDurationReady(uint32_t sample_duration)=0</div></div>
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<div class="ttc" id="classshaka_1_1media_1_1VPCodecConfigurationRecord_html"><div class="ttname"><a href="../../d1/da5/classshaka_1_1media_1_1VPCodecConfigurationRecord.html">shaka::media::VPCodecConfigurationRecord</a></div><div class="ttdoc">Class for parsing or writing VP codec configuration record. </div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d9b/vp__codec__configuration__record_8h_source.html#l00021">vp_codec_configuration_record.h:21</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MuxerListener_html_a897463091f0effa647a8e2822f48b2ee"><div class="ttname"><a href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#a897463091f0effa647a8e2822f48b2ee">shaka::media::MuxerListener::OnEncryptionStart</a></div><div class="ttdeci">virtual void OnEncryptionStart()=0</div></div>
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|
<div class="ttc" id="structshaka_1_1media_1_1MuxerOptions_html_a1f1336e9be8b12733fe28da083eaf93f"><div class="ttname"><a href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a1f1336e9be8b12733fe28da083eaf93f">shaka::media::MuxerOptions::segment_sap_aligned</a></div><div class="ttdeci">bool segment_sap_aligned</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00038">muxer_options.h:38</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1mp4_1_1Segmenter_html_a4a1a9e50050e75584ff1087aa318096a"><div class="ttname"><a href="../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a4a1a9e50050e75584ff1087aa318096a">shaka::media::mp4::Segmenter::AddSample</a></div><div class="ttdeci">Status AddSample(const MediaStream *stream, scoped_refptr< MediaSample > sample)</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/da8/mp4_2segmenter_8cc_source.html#l00322">segmenter.cc:322</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1VideoStreamInfo_html_ae420a97a606ef54be16beb49e42cd135"><div class="ttname"><a href="../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html#ae420a97a606ef54be16beb49e42cd135">shaka::media::VideoStreamInfo::pixel_height</a></div><div class="ttdeci">uint32_t pixel_height() const </div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d87/video__stream__info_8h_source.html#l00042">video_stream_info.h:42</a></div></div>
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<div class="ttc" id="classshaka_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="classshaka_1_1media_1_1MkvWriter_html_a468dcd83a7c087cc83e755703488e92b"><div class="ttname"><a href="../../d1/d0a/classshaka_1_1media_1_1MkvWriter.html#a468dcd83a7c087cc83e755703488e92b">shaka::media::MkvWriter::Position</a></div><div class="ttdeci">mkvmuxer::int64 Position() const override</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dc8/mkv__writer_8cc_source.html#l00071">mkv_writer.cc:71</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1VPCodecConfigurationRecord_html_ab5186aead4b73cc3cd33587f25f166ce"><div class="ttname"><a href="../../d1/da5/classshaka_1_1media_1_1VPCodecConfigurationRecord.html#ab5186aead4b73cc3cd33587f25f166ce">shaka::media::VPCodecConfigurationRecord::WriteWebM</a></div><div class="ttdeci">void WriteWebM(std::vector< uint8_t > *data) const </div><div class="ttdef"><b>Definition:</b> <a href="../../df/d05/vp__codec__configuration__record_8cc_source.html#l00171">vp_codec_configuration_record.cc:171</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MkvWriter_html"><div class="ttname"><a href="../../d1/d0a/classshaka_1_1media_1_1MkvWriter.html">shaka::media::MkvWriter</a></div><div class="ttdoc">An implementation of IMkvWriter using our File type. </div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dd6/mkv__writer_8h_source.html#l00021">mkv_writer.h:21</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1VPCodecConfigurationRecord_html_aac5eac6e0a62201dcb68fd3f084bb281"><div class="ttname"><a href="../../d1/da5/classshaka_1_1media_1_1VPCodecConfigurationRecord.html#aac5eac6e0a62201dcb68fd3f084bb281">shaka::media::VPCodecConfigurationRecord::ParseMP4</a></div><div class="ttdeci">bool ParseMP4(const std::vector< uint8_t > &data)</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d05/vp__codec__configuration__record_8cc_source.html#l00089">vp_codec_configuration_record.cc:89</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1mp4_1_1Segmenter_html_a464a30159b8888a54254356d191947ac"><div class="ttname"><a href="../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a464a30159b8888a54254356d191947ac">shaka::media::mp4::Segmenter::Finalize</a></div><div class="ttdeci">Status Finalize()</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/da8/mp4_2segmenter_8cc_source.html#l00296">segmenter.cc:296</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1MuxerOptions_html_a0dbe637b21f1f22f248437b59ad62a38"><div class="ttname"><a href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a0dbe637b21f1f22f248437b59ad62a38">shaka::media::MuxerOptions::fragment_duration</a></div><div class="ttdeci">double fragment_duration</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="classshaka_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="classshaka_1_1media_1_1VideoStreamInfo_html_af5f655f36865a3af28bd0c7328e9a91e"><div class="ttname"><a href="../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html#af5f655f36865a3af28bd0c7328e9a91e">shaka::media::VideoStreamInfo::pixel_width</a></div><div class="ttdeci">uint32_t pixel_width() const </div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d87/video__stream__info_8h_source.html#l00039">video_stream_info.h:39</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1Status_html"><div class="ttname"><a href="../../d0/d93/classshaka_1_1media_1_1Status.html">shaka::media::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d13/status_8h_source.html#l00075">status.h:75</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1KeySource_html"><div class="ttname"><a href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">shaka::media::KeySource</a></div><div class="ttdoc">KeySource is responsible for encryption key acquisition. </div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d3f/key__source_8h_source.html#l00030">key_source.h:30</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1MuxerOptions_html_a4e98ad5fc7bbc2df0cb95df3f1db9687"><div class="ttname"><a href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a4e98ad5fc7bbc2df0cb95df3f1db9687">shaka::media::MuxerOptions::segment_duration</a></div><div class="ttdeci">double segment_duration</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00030">muxer_options.h:30</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1mp4_1_1Segmenter_html_a7283c64cb63a94264ff8fe405b8ce5c2"><div class="ttname"><a href="../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a7283c64cb63a94264ff8fe405b8ce5c2">shaka::media::mp4::Segmenter::GetDuration</a></div><div class="ttdeci">double GetDuration() const </div><div class="ttdef"><b>Definition:</b> <a href="../../d2/da8/mp4_2segmenter_8cc_source.html#l00380">segmenter.cc:380</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1VideoStreamInfo_html"><div class="ttname"><a href="../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html">shaka::media::VideoStreamInfo</a></div><div class="ttdoc">Holds video stream information. </div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d87/video__stream__info_8h_source.html#l00016">video_stream_info.h:16</a></div></div>
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<div class="ttc" id="classshaka_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#l00030">muxer_listener.h:30</a></div></div>
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