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<div class="title">webm_tracks_parser.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2014 The Chromium Authors. All rights reserved.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// Use of this source code is governed by a BSD-style license that can be</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// found in the LICENSE file.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;</div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="preprocessor">#ifndef MEDIA_FORMATS_WEBM_WEBM_TRACKS_PARSER_H_</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MEDIA_FORMATS_WEBM_WEBM_TRACKS_PARSER_H_</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#include &lt;map&gt;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &lt;set&gt;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;</div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &quot;packager/base/time/time.h&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/audio_stream_info.h&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/text_track_config.h&quot;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/video_stream_info.h&quot;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/webm/webm_audio_client.h&quot;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/webm/webm_content_encodings_client.h&quot;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/webm/webm_parser.h&quot;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/webm/webm_video_client.h&quot;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="keyword">namespace </span>shaka {</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="keyword">namespace </span>media {</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="../../d8/d86/classshaka_1_1media_1_1WebMTracksParser.html"> 27</a></span>&#160;<span class="keyword">class </span><a class="code" href="../../d8/d86/classshaka_1_1media_1_1WebMTracksParser.html">WebMTracksParser</a> : <span class="keyword">public</span> <a class="code" href="../../d5/dec/classshaka_1_1media_1_1WebMParserClient.html">WebMParserClient</a> {</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; <span class="keyword">explicit</span> <a class="code" href="../../d8/d86/classshaka_1_1media_1_1WebMTracksParser.html">WebMTracksParser</a>(<span class="keywordtype">bool</span> ignore_text_tracks);</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; ~<a class="code" href="../../d8/d86/classshaka_1_1media_1_1WebMTracksParser.html">WebMTracksParser</a>() <span class="keyword">override</span>;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="keywordtype">int</span> <a class="code" href="../../d8/d86/classshaka_1_1media_1_1WebMTracksParser.html#aa4b6d4ac9fa57b47cbc17ee7c1bd3639">Parse</a>(<span class="keyword">const</span> uint8_t* buf, <span class="keywordtype">int</span> size);</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; int64_t audio_track_num()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> audio_track_num_; }</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; int64_t video_track_num()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> video_track_num_; }</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; int64_t <a class="code" href="../../d8/d86/classshaka_1_1media_1_1WebMTracksParser.html#a554135ee3a8ad995beeab868c67aba36">GetAudioDefaultDuration</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> timecode_scale_in_us) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; int64_t GetVideoDefaultDuration(<span class="keyword">const</span> <span class="keywordtype">double</span> timecode_scale_in_us) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keyword">const</span> std::set&lt;int64_t&gt;&amp; ignored_tracks()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> ignored_tracks_; }</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keyword">const</span> std::string&amp; audio_encryption_key_id()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keywordflow">return</span> audio_encryption_key_id_;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; }</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; std::shared_ptr&lt;AudioStreamInfo&gt; audio_stream_info() {</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="keywordflow">return</span> audio_stream_info_;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; }</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keyword">const</span> std::string&amp; video_encryption_key_id()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordflow">return</span> video_encryption_key_id_;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; }</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; std::shared_ptr&lt;VideoStreamInfo&gt; video_stream_info() {</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keywordflow">return</span> video_stream_info_;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; }</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keyword">typedef</span> std::map&lt;int, TextTrackConfig&gt; TextTracks;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keyword">const</span> TextTracks&amp; text_tracks()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="keywordflow">return</span> text_tracks_;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; }</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d1/da5/classshaka_1_1media_1_1VPCodecConfigurationRecord.html">VPCodecConfigurationRecord</a>&amp; vp_config()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> vp_config_; }</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="comment">// WebMParserClient implementation.</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <a class="code" href="../../d5/dec/classshaka_1_1media_1_1WebMParserClient.html">WebMParserClient</a>* OnListStart(<span class="keywordtype">int</span> <span class="keywordtype">id</span>) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keywordtype">bool</span> OnListEnd(<span class="keywordtype">int</span> <span class="keywordtype">id</span>) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keywordtype">bool</span> OnUInt(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, int64_t val) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keywordtype">bool</span> OnFloat(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">double</span> val) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keywordtype">bool</span> OnBinary(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keyword">const</span> uint8_t* data, <span class="keywordtype">int</span> size) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keywordtype">bool</span> OnString(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keyword">const</span> std::string&amp; str) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; int64_t track_type_;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; int64_t track_num_;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; std::string track_name_;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; std::string track_language_;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; std::string codec_id_;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; std::vector&lt;uint8_t&gt; codec_private_;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; int64_t seek_preroll_;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; int64_t codec_delay_;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; int64_t default_duration_;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; std::unique_ptr&lt;WebMContentEncodingsClient&gt; track_content_encodings_client_;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; int64_t audio_track_num_;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; int64_t audio_default_duration_;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; int64_t video_track_num_;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; int64_t video_default_duration_;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keywordtype">bool</span> ignore_text_tracks_;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; TextTracks text_tracks_;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; std::set&lt;int64_t&gt; ignored_tracks_;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; std::string audio_encryption_key_id_;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; std::string video_encryption_key_id_;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <a class="code" href="../../d3/d7c/classshaka_1_1media_1_1WebMAudioClient.html">WebMAudioClient</a> audio_client_;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; std::shared_ptr&lt;AudioStreamInfo&gt; audio_stream_info_;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <a class="code" href="../../d3/d67/classshaka_1_1media_1_1WebMVideoClient.html">WebMVideoClient</a> video_client_;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <a class="code" href="../../d1/da5/classshaka_1_1media_1_1VPCodecConfigurationRecord.html">VPCodecConfigurationRecord</a> vp_config_;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; std::shared_ptr&lt;VideoStreamInfo&gt; video_stream_info_;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; DISALLOW_COPY_AND_ASSIGN(<a class="code" href="../../d8/d86/classshaka_1_1media_1_1WebMTracksParser.html">WebMTracksParser</a>);</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;};</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;} <span class="comment">// namespace media</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;} <span class="comment">// namespace shaka</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160;<span class="preprocessor">#endif // MEDIA_FORMATS_WEBM_WEBM_TRACKS_PARSER_H_</span></div>
<div class="ttc" id="classshaka_1_1media_1_1WebMTracksParser_html_a554135ee3a8ad995beeab868c67aba36"><div class="ttname"><a href="../../d8/d86/classshaka_1_1media_1_1WebMTracksParser.html#a554135ee3a8ad995beeab868c67aba36">shaka::media::WebMTracksParser::GetAudioDefaultDuration</a></div><div class="ttdeci">int64_t GetAudioDefaultDuration(const double timecode_scale_in_us) const </div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d9c/webm__tracks__parser_8cc_source.html#l00090">webm_tracks_parser.cc:90</a></div></div>
<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#l00153">vp_codec_configuration_record.h:153</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1WebMTracksParser_html"><div class="ttname"><a href="../../d8/d86/classshaka_1_1media_1_1WebMTracksParser.html">shaka::media::WebMTracksParser</a></div><div class="ttdoc">Parser for WebM Tracks element. </div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d7b/webm__tracks__parser_8h_source.html#l00027">webm_tracks_parser.h:27</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1WebMVideoClient_html"><div class="ttname"><a href="../../d3/d67/classshaka_1_1media_1_1WebMVideoClient.html">shaka::media::WebMVideoClient</a></div><div class="ttdoc">Helper class used to parse a Video element inside a TrackEntry element. </div><div class="ttdef"><b>Definition:</b> <a href="../../d9/dcc/webm__video__client_8h_source.html#l00021">webm_video_client.h:21</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1WebMTracksParser_html_aa4b6d4ac9fa57b47cbc17ee7c1bd3639"><div class="ttname"><a href="../../d8/d86/classshaka_1_1media_1_1WebMTracksParser.html#aa4b6d4ac9fa57b47cbc17ee7c1bd3639">shaka::media::WebMTracksParser::Parse</a></div><div class="ttdeci">int Parse(const uint8_t *buf, int size)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d9c/webm__tracks__parser_8cc_source.html#l00065">webm_tracks_parser.cc:65</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1WebMParserClient_html"><div class="ttname"><a href="../../d5/dec/classshaka_1_1media_1_1WebMParserClient.html">shaka::media::WebMParserClient</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d46/webm__parser_8h_source.html#l00030">webm_parser.h:30</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1WebMAudioClient_html"><div class="ttname"><a href="../../d3/d7c/classshaka_1_1media_1_1WebMAudioClient.html">shaka::media::WebMAudioClient</a></div><div class="ttdoc">Helper class used to parse an Audio element inside a TrackEntry element. </div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d8d/webm__audio__client_8h_source.html#l00020">webm_audio_client.h:20</a></div></div>
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