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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 Google Inc. All rights reserved.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// Use of this source code is governed by a BSD-style</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// license that can be found in the LICENSE file or at</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// https://developers.google.com/open-source/licenses/bsd</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;</div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#ifndef MEDIA_BASE_STREAM_INFO_H_</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MEDIA_BASE_STREAM_INFO_H_</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/encryption_config.h&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="keyword">namespace </span>shaka {</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="keyword">namespace </span>media {</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="keyword">enum</span> StreamType {</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; kStreamUnknown = 0,</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; kStreamAudio,</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; kStreamVideo,</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; kStreamText,</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;};</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="keyword">enum</span> Codec {</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; kUnknownCodec = 0,</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; kCodecVideo = 100,</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; kCodecH264 = kCodecVideo,</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; kCodecH265,</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; kCodecVP8,</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; kCodecVP9,</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; kCodecVP10,</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; kCodecVideoMaxPlusOne,</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; kCodecAudio = 200,</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; kCodecAAC = kCodecAudio,</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; kCodecAC3,</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="comment">// TODO(kqyang): Use kCodecDTS and a kDtsStreamFormat for the various DTS</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="comment">// streams.</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; kCodecDTSC,</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; kCodecDTSE,</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; kCodecDTSH,</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; kCodecDTSL,</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; kCodecDTSM,</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; kCodecDTSP,</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; kCodecEAC3,</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; kCodecOpus,</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; kCodecVorbis,</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; kCodecAudioMaxPlusOne,</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; kCodecText = 300,</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; kCodecWebVtt = kCodecText,</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;};</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="../../d5/db1/classshaka_1_1media_1_1StreamInfo.html"> 57</a></span>&#160;<span class="keyword">class </span><a class="code" href="../../d5/db1/classshaka_1_1media_1_1StreamInfo.html">StreamInfo</a> {</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <a class="code" href="../../d5/db1/classshaka_1_1media_1_1StreamInfo.html">StreamInfo</a>() = <span class="keywordflow">default</span>;</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; <a class="code" href="../../d5/db1/classshaka_1_1media_1_1StreamInfo.html">StreamInfo</a>(StreamType stream_type, <span class="keywordtype">int</span> track_id, uint32_t time_scale,</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; uint64_t duration, Codec codec, <span class="keyword">const</span> std::string&amp; codec_string,</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keyword">const</span> uint8_t* codec_config, <span class="keywordtype">size_t</span> codec_config_size,</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keyword">const</span> std::string&amp; language, <span class="keywordtype">bool</span> is_encrypted);</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">virtual</span> ~<a class="code" href="../../d5/db1/classshaka_1_1media_1_1StreamInfo.html">StreamInfo</a>();</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="../../d5/db1/classshaka_1_1media_1_1StreamInfo.html#a6e5c5ade77b7bcf0b7822de568695dc8">IsValidConfig</a>() <span class="keyword">const</span> = 0;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keyword">virtual</span> std::string <a class="code" href="../../d5/db1/classshaka_1_1media_1_1StreamInfo.html#aa11d2fe5509ebfdc038aa3f2cdbbe00d">ToString</a>() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; StreamType stream_type()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> stream_type_; }</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; uint32_t track_id()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> track_id_; }</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; uint32_t time_scale()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> time_scale_; }</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; uint64_t duration()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> duration_; }</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; Codec codec()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> codec_; }</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keyword">const</span> std::string&amp; codec_string()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> codec_string_; }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; codec_config()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> codec_config_; }</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keyword">const</span> std::string&amp; language()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> language_; }</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keywordtype">bool</span> is_encrypted()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> is_encrypted_; }</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keywordtype">bool</span> has_clear_lead()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> has_clear_lead_; }</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d7/d34/structshaka_1_1media_1_1EncryptionConfig.html">EncryptionConfig</a>&amp; encryption_config()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keywordflow">return</span> encryption_config_;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; }</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keywordtype">void</span> set_duration(uint64_t duration) { duration_ = duration; }</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keywordtype">void</span> set_codec(Codec codec) { codec_ = codec; }</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="keywordtype">void</span> set_codec_config(<span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; data) { codec_config_ = data; }</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordtype">void</span> set_codec_string(<span class="keyword">const</span> std::string&amp; codec_string) {</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; codec_string_ = codec_string;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keywordtype">void</span> set_language(<span class="keyword">const</span> std::string&amp; language) { language_ = language; }</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keywordtype">void</span> set_is_encrypted(<span class="keywordtype">bool</span> is_encrypted) { is_encrypted_ = is_encrypted; }</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keywordtype">void</span> set_has_clear_lead(<span class="keywordtype">bool</span> has_clear_lead) {</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; has_clear_lead_ = has_clear_lead;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; }</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keywordtype">void</span> set_encryption_config(<span class="keyword">const</span> <a class="code" href="../../d7/d34/structshaka_1_1media_1_1EncryptionConfig.html">EncryptionConfig</a>&amp; encryption_config) {</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; encryption_config_ = encryption_config;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; }</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; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="comment">// Whether the stream is Audio or Video.</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; StreamType stream_type_;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; uint32_t track_id_;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="comment">// The actual time is calculated as time / time_scale_ in seconds.</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; uint32_t time_scale_;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="comment">// Duration base on time_scale.</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; uint64_t duration_;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; Codec codec_;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; std::string codec_string_;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; std::string language_;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="comment">// Whether the stream is potentially encrypted.</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="comment">// Note that in a potentially encrypted stream, individual buffers</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="comment">// can be encrypted or not encrypted.</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordtype">bool</span> is_encrypted_;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="comment">// Whether the stream has clear lead.</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <span class="keywordtype">bool</span> has_clear_lead_ = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <a class="code" href="../../d7/d34/structshaka_1_1media_1_1EncryptionConfig.html">EncryptionConfig</a> encryption_config_;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="comment">// Optional byte data required for some audio/video decoders such as Vorbis</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="comment">// codebooks.</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; std::vector&lt;uint8_t&gt; codec_config_;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="comment">// Not using DISALLOW_COPY_AND_ASSIGN here intentionally to allow the compiler</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="comment">// generated copy constructor and assignment operator. Since the extra data is</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="comment">// typically small, the performance impact is minimal.</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;};</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;} <span class="comment">// namespace media</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;} <span class="comment">// namespace shaka</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;<span class="preprocessor">#endif // MEDIA_BASE_STREAM_INFO_H_</span></div>
<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#l00057">stream_info.h:57</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1StreamInfo_html_a6e5c5ade77b7bcf0b7822de568695dc8"><div class="ttname"><a href="../../d5/db1/classshaka_1_1media_1_1StreamInfo.html#a6e5c5ade77b7bcf0b7822de568695dc8">shaka::media::StreamInfo::IsValidConfig</a></div><div class="ttdeci">virtual bool IsValidConfig() const =0</div></div>
<div class="ttc" id="structshaka_1_1media_1_1EncryptionConfig_html"><div class="ttname"><a href="../../d7/d34/structshaka_1_1media_1_1EncryptionConfig.html">shaka::media::EncryptionConfig</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d05/encryption__config_8h_source.html#l00016">encryption_config.h:16</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1StreamInfo_html_aa11d2fe5509ebfdc038aa3f2cdbbe00d"><div class="ttname"><a href="../../d5/db1/classshaka_1_1media_1_1StreamInfo.html#aa11d2fe5509ebfdc038aa3f2cdbbe00d">shaka::media::StreamInfo::ToString</a></div><div class="ttdeci">virtual std::string ToString() const </div><div class="ttdef"><b>Definition:</b> <a href="../../de/dfd/stream__info_8cc_source.html#l00037">stream_info.cc:37</a></div></div>
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