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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_eeaeb49ac3913fcfb450d3ce9cc0141b.html">wvm</a></li> </ul>
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<div class="title">wvm_media_parser.h</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 2014 The Chromium Authors. All rights reserved.</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Use of this source code is governed by a BSD-style license that can be</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// found in the LICENSE file.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Media parser for a Widevine Media Format (WVM) file.</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> </div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#ifndef MEDIA_FORMATS_WVM_WVM_MEDIA_PARSER_H_</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor"></span><span class="preprocessor">#define MEDIA_FORMATS_WVM_WVM_MEDIA_PARSER_H_</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <deque></span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <map></span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <memory></span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "packager/base/compiler_specific.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/media_parser.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/network_util.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/codecs/h264_byte_to_unit_stream_converter.h"</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">namespace </span>shaka {</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">class </span>AesCbcDecryptor;</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">class </span>KeySource;</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">struct </span>EncryptionKey;</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">namespace </span>wvm {</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"><a class="line" href="../../d1/da1/structshaka_1_1media_1_1wvm_1_1DemuxStreamIdMediaSample.html"> 29</a></span> <span class="keyword">struct </span><a class="code" href="../../d1/da1/structshaka_1_1media_1_1wvm_1_1DemuxStreamIdMediaSample.html">DemuxStreamIdMediaSample</a> {</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <a class="code" href="../../d1/da1/structshaka_1_1media_1_1wvm_1_1DemuxStreamIdMediaSample.html">DemuxStreamIdMediaSample</a>();</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  ~<a class="code" href="../../d1/da1/structshaka_1_1media_1_1wvm_1_1DemuxStreamIdMediaSample.html">DemuxStreamIdMediaSample</a>();</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  uint32_t demux_stream_id;</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  uint32_t parsed_audio_or_video_stream_id;</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  scoped_refptr<MediaSample> media_sample;</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> </div>
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<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="../../d2/d0f/structshaka_1_1media_1_1wvm_1_1PrevSampleData.html"> 38</a></span> <span class="keyword">struct </span><a class="code" href="../../d2/d0f/structshaka_1_1media_1_1wvm_1_1PrevSampleData.html">PrevSampleData</a> {</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="../../d2/d0f/structshaka_1_1media_1_1wvm_1_1PrevSampleData.html">PrevSampleData</a>();</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  ~<a class="code" href="../../d2/d0f/structshaka_1_1media_1_1wvm_1_1PrevSampleData.html">PrevSampleData</a>();</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordtype">void</span> Reset();</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  scoped_refptr<MediaSample> audio_sample;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  scoped_refptr<MediaSample> video_sample;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  uint32_t audio_stream_id;</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  uint32_t video_stream_id;</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  int64_t audio_sample_duration;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  int64_t video_sample_duration;</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> };</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
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<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="../../dc/d18/classshaka_1_1media_1_1wvm_1_1WvmMediaParser.html"> 51</a></span> <span class="keyword">class </span><a class="code" href="../../dc/d18/classshaka_1_1media_1_1wvm_1_1WvmMediaParser.html">WvmMediaParser</a> : <span class="keyword">public</span> <a class="code" href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html">MediaParser</a> {</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="../../dc/d18/classshaka_1_1media_1_1wvm_1_1WvmMediaParser.html">WvmMediaParser</a>();</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  ~<a class="code" href="../../dc/d18/classshaka_1_1media_1_1wvm_1_1WvmMediaParser.html">WvmMediaParser</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordtype">void</span> <a class="code" href="../../dc/d18/classshaka_1_1media_1_1wvm_1_1WvmMediaParser.html#a6f931f1702724a9b19c3078a7832bc77">Init</a>(<span class="keyword">const</span> <a class="code" href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a95d25a50ad371304f1abce9971ce3704">InitCB</a>& init_cb,</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">const</span> <a class="code" href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a0ac13291317f7d3d9175c4e91e57b891">NewSampleCB</a>& new_sample_cb,</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a>* decryption_key_source) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">bool</span> <a class="code" href="../../dc/d18/classshaka_1_1media_1_1wvm_1_1WvmMediaParser.html#ac5680e3bd6cdb07fd65af3f39fce999a">Flush</a>() <span class="keyword">override</span> WARN_UNUSED_RESULT;</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">bool</span> <a class="code" href="../../dc/d18/classshaka_1_1media_1_1wvm_1_1WvmMediaParser.html#a246702aa75891cbe396ca7cc11e13eeb">Parse</a>(<span class="keyword">const</span> uint8_t* buf, <span class="keywordtype">int</span> size) <span class="keyword">override</span> WARN_UNUSED_RESULT;</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">enum</span> Tag {</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  CypherVersion = 0,</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  TrackOffset = 1,</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  TrackSize = 2,</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  TrackDuration = 3,</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  TrackBitRate = 4,</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  TrackTrickPlayRate = 5,</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  TrackAdaptationInterval = 6,</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  TrackFlags = 7,</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  VideoType = 8,</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  VideoProfile = 9,</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  VideoLevel = 10,</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  VideoWidth = 11,</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  VideoHeight = 12,</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  VideoTicksPerFrame = 13,</div>
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|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  VideoBitRate = 14,</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  AudioType = 15,</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  AudioProfile = 16,</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  AudioNumChannels = 17,</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  AudioSampleFrequency = 18,</div>
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|
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  AudioBitRate = 19,</div>
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|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  TrackVersion = 20,</div>
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|
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  Title = 21,</div>
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|
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  Copyright = 22,</div>
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|
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  ChapterIndex = 23,</div>
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|
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  TimeIndex = 24,</div>
|
|
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  Thumbnail = 25,</div>
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|
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  ObjectSeqNum = 26,</div>
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|
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  ThumbnailOffset = 27,</div>
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|
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  ThumbnailSize = 28,</div>
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|
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  NumEntries = 29,</div>
|
|
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  Chapters = 30,</div>
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|
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  VideoPixelWidth = 31,</div>
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|
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  VideoPixelHeight = 32,</div>
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|
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  FileSize = 33,</div>
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|
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  SparseDownloadUrl = 34,</div>
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|
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  SparseDownloadRangeTranslations = 35,</div>
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|
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  SparseDownloadMap = 36,</div>
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|
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  AudioSampleSize = 37,</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  Audio_EsDescriptor = 38,</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  Video_AVCDecoderConfigurationRecord = 39,</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  Audio_EC3SpecificData = 40,</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  AudioIdentifier = 41,</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  VideoStreamId = 42,</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  VideoStreamType = 43,</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  AudioStreamId = 44,</div>
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|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  AudioStreamType = 45,</div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  Audio_DtsSpecificData = 46,</div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  Audio_AC3SpecificData = 47,</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  Unset = 48</div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  };</div>
|
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
|
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">enum</span> State {</div>
|
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  StartCode1 = 0,</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  StartCode2,</div>
|
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  StartCode3,</div>
|
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  StartCode4,</div>
|
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  PackHeader1,</div>
|
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  PackHeader2,</div>
|
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  PackHeader3,</div>
|
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  PackHeader4,</div>
|
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  PackHeader5,</div>
|
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  PackHeader6,</div>
|
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  PackHeader7,</div>
|
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  PackHeader8,</div>
|
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  PackHeader9,</div>
|
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  PackHeader10,</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  PackHeaderStuffingSkip,</div>
|
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  SystemHeader1,</div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  SystemHeader2,</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  SystemHeaderSkip,</div>
|
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  PesStreamId,</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  PesPacketLength1,</div>
|
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  PesPacketLength2,</div>
|
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  PesExtension1,</div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  PesExtension2,</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  PesExtension3,</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  Pts1,</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  Pts2,</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  Pts3,</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  Pts4,</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  Pts5,</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  Dts1,</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  Dts2,</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  Dts3,</div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  Dts4,</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  Dts5,</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  PesHeaderData,</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  PesPayload,</div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  EsPayload,</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  PsmPayload,</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  EcmPayload,</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  IndexPayload,</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  Padding,</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  ProgramEnd</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  };</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordtype">bool</span> ProcessEcm();</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="comment">// Index denotes 'search index' in the WVM content.</span></div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordtype">bool</span> ParseIndexEntry();</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>  <span class="keywordtype">bool</span> DemuxNextPes(<span class="keywordtype">bool</span> is_program_end);</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
|
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordtype">void</span> StartMediaSampleDemux();</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  Tag GetTag(<span class="keyword">const</span> uint8_t& tag,</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keyword">const</span> uint32_t& length,</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keyword">const</span> uint8_t* start_index,</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  T* value) {</div>
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|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">if</span> (length == <span class="keyword">sizeof</span>(uint8_t)) {</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  *value = (uint8_t)(*start_index);</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (length == <span class="keyword">sizeof</span>(int8_t)) {</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  *value = (int8_t)(*start_index);</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (length == <span class="keyword">sizeof</span>(uint16_t)) {</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  *value = (uint16_t)(ntohsFromBuffer(start_index));</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (length == <span class="keyword">sizeof</span>(int16_t)) {</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  *value = (int16_t)(ntohsFromBuffer(start_index));</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (length == <span class="keyword">sizeof</span>(uint32_t)) {</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  *value = (uint32_t)(ntohlFromBuffer(start_index));</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (length == <span class="keyword">sizeof</span>(int32_t)) {</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  *value = (int32_t)(ntohlFromBuffer(start_index));</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (length == <span class="keyword">sizeof</span>(uint64_t)) {</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  *value = (uint64_t)(ntohllFromBuffer(start_index));</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (length == <span class="keyword">sizeof</span>(int64_t)) {</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  *value = (int64_t)(ntohllFromBuffer(start_index));</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  *value = 0;</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  }</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">return</span> Tag(tag);</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"> 199</span>  <span class="comment">// |must_process_encrypted| setting determines if Output() should attempt</span></div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">// to ouput media sample as encrypted.</span></div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordtype">bool</span> Output(<span class="keywordtype">bool</span> must_process_encrypted);</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordtype">bool</span> GetAssetKey(<span class="keyword">const</span> uint32_t asset_id, <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>* encryption_key);</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="comment">// Callback invoked by the ES media parser</span></div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="comment">// to emit a new audio/video access unit.</span></div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordtype">bool</span> EmitSample(uint32_t parsed_audio_or_video_stream_id,</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  uint32_t stream_id,</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  scoped_refptr<MediaSample>& new_sample,</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordtype">bool</span> isLastSample);</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordtype">bool</span> EmitPendingSamples();</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordtype">bool</span> EmitLastSample(uint32_t stream_id,</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  scoped_refptr<MediaSample>& new_sample);</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="comment">// List of callbacks.t</span></div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <a class="code" href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a95d25a50ad371304f1abce9971ce3704">InitCB</a> init_cb_;</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <a class="code" href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a0ac13291317f7d3d9175c4e91e57b891">NewSampleCB</a> new_sample_cb_;</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="comment">// Whether |init_cb_| has been invoked.</span></div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordtype">bool</span> is_initialized_;</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// Internal content parsing state.</span></div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  State parse_state_;</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  uint32_t skip_bytes_;</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordtype">bool</span> metadata_is_complete_;</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  uint8_t current_program_id_;</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  uint32_t pes_stream_id_;</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  uint32_t prev_pes_stream_id_;</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordtype">size_t</span> pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  uint8_t pes_flags_1_;</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  uint8_t pes_flags_2_;</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  uint8_t prev_pes_flags_1_;</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordtype">size_t</span> pes_header_data_bytes_;</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  uint64_t timestamp_;</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  uint64_t pts_;</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  uint64_t dts_;</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  uint8_t index_program_id_;</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  scoped_refptr<MediaSample> media_sample_;</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordtype">size_t</span> crypto_unit_start_pos_;</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <a class="code" href="../../d2/d0f/structshaka_1_1media_1_1wvm_1_1PrevSampleData.html">PrevSampleData</a> prev_media_sample_data_;</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <a class="code" href="../../d8/d08/classshaka_1_1media_1_1H264ByteToUnitStreamConverter.html">H264ByteToUnitStreamConverter</a> byte_to_unit_stream_converter_;</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  std::vector<uint8_t, std::allocator<uint8_t> > ecm_;</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  std::vector<uint8_t> psm_data_;</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  std::vector<uint8_t> index_data_;</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  std::map<std::string, uint32_t> program_demux_stream_map_;</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordtype">int</span> stream_id_count_;</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  std::vector<scoped_refptr<StreamInfo> > stream_infos_;</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  std::deque<DemuxStreamIdMediaSample> media_sample_queue_;</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  std::vector<uint8_t> sample_data_;</div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a>* decryption_key_source_;</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  std::unique_ptr<AesCbcDecryptor> content_decryptor_;</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  DISALLOW_COPY_AND_ASSIGN(<a class="code" href="../../dc/d18/classshaka_1_1media_1_1wvm_1_1WvmMediaParser.html">WvmMediaParser</a>);</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> };</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> </div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> } <span class="comment">// namespace wvm</span></div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> } <span class="comment">// namespace media</span></div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> } <span class="comment">// namespace shaka</span></div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> </div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="preprocessor">#endif // MEDIA_FORMATS_WVM_WVM_MEDIA_PARSER_H_</span></div>
|
|
<div class="ttc" id="classshaka_1_1media_1_1MediaParser_html"><div class="ttname"><a href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html">shaka::media::MediaParser</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d12/media__parser_8h_source.html#l00025">media_parser.h:25</a></div></div>
|
|
<div class="ttc" id="classshaka_1_1media_1_1H264ByteToUnitStreamConverter_html"><div class="ttname"><a href="../../d8/d08/classshaka_1_1media_1_1H264ByteToUnitStreamConverter.html">shaka::media::H264ByteToUnitStreamConverter</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d7/dec/h264__byte__to__unit__stream__converter_8h_source.html#l00022">h264_byte_to_unit_stream_converter.h:22</a></div></div>
|
|
<div class="ttc" id="structshaka_1_1media_1_1wvm_1_1PrevSampleData_html"><div class="ttname"><a href="../../d2/d0f/structshaka_1_1media_1_1wvm_1_1PrevSampleData.html">shaka::media::wvm::PrevSampleData</a></div><div class="ttdef"><b>Definition:</b> <a href="../../db/d96/wvm__media__parser_8h_source.html#l00038">wvm_media_parser.h:38</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1wvm_1_1WvmMediaParser_html_a6f931f1702724a9b19c3078a7832bc77"><div class="ttname"><a href="../../dc/d18/classshaka_1_1media_1_1wvm_1_1WvmMediaParser.html#a6f931f1702724a9b19c3078a7832bc77">shaka::media::wvm::WvmMediaParser::Init</a></div><div class="ttdeci">void Init(const InitCB &init_cb, const NewSampleCB &new_sample_cb, KeySource *decryption_key_source) override</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d30/wvm__media__parser_8cc_source.html#l00116">wvm_media_parser.cc:116</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1wvm_1_1WvmMediaParser_html"><div class="ttname"><a href="../../dc/d18/classshaka_1_1media_1_1wvm_1_1WvmMediaParser.html">shaka::media::wvm::WvmMediaParser</a></div><div class="ttdef"><b>Definition:</b> <a href="../../db/d96/wvm__media__parser_8h_source.html#l00051">wvm_media_parser.h:51</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1wvm_1_1WvmMediaParser_html_ac5680e3bd6cdb07fd65af3f39fce999a"><div class="ttname"><a href="../../dc/d18/classshaka_1_1media_1_1wvm_1_1WvmMediaParser.html#ac5680e3bd6cdb07fd65af3f39fce999a">shaka::media::wvm::WvmMediaParser::Flush</a></div><div class="ttdeci">bool Flush() override WARN_UNUSED_RESULT</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d30/wvm__media__parser_8cc_source.html#l00518">wvm_media_parser.cc:518</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaParser_html_a95d25a50ad371304f1abce9971ce3704"><div class="ttname"><a href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a95d25a50ad371304f1abce9971ce3704">shaka::media::MediaParser::InitCB</a></div><div class="ttdeci">base::Callback< void(const std::vector< scoped_refptr< StreamInfo > > &stream_info)> InitCB</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d12/media__parser_8h_source.html#l00034">media_parser.h:34</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1EncryptionKey_html"><div class="ttname"><a href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">shaka::media::EncryptionKey</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d3f/key__source_8h_source.html#l00019">key_source.h:19</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1wvm_1_1WvmMediaParser_html_a246702aa75891cbe396ca7cc11e13eeb"><div class="ttname"><a href="../../dc/d18/classshaka_1_1media_1_1wvm_1_1WvmMediaParser.html#a246702aa75891cbe396ca7cc11e13eeb">shaka::media::wvm::WvmMediaParser::Parse</a></div><div class="ttdeci">bool Parse(const uint8_t *buf, int size) override WARN_UNUSED_RESULT</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d30/wvm__media__parser_8cc_source.html#l00127">wvm_media_parser.cc:127</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaParser_html_a0ac13291317f7d3d9175c4e91e57b891"><div class="ttname"><a href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a0ac13291317f7d3d9175c4e91e57b891">shaka::media::MediaParser::NewSampleCB</a></div><div class="ttdeci">base::Callback< bool(uint32_t track_id, const scoped_refptr< MediaSample > &media_sample)> NewSampleCB</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d12/media__parser_8h_source.html#l00043">media_parser.h:43</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_1wvm_1_1DemuxStreamIdMediaSample_html"><div class="ttname"><a href="../../d1/da1/structshaka_1_1media_1_1wvm_1_1DemuxStreamIdMediaSample.html">shaka::media::wvm::DemuxStreamIdMediaSample</a></div><div class="ttdef"><b>Definition:</b> <a href="../../db/d96/wvm__media__parser_8h_source.html#l00029">wvm_media_parser.h:29</a></div></div>
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