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<li class="navelem"><a class="el" href="../../dir_3f8eec2fc361645de4b1ec14c19fffc7.html">packager</a></li><li class="navelem"><a class="el" href="../../dir_f99dae54fe7170f791f339b952d5067a.html">media</a></li><li class="navelem"><a class="el" href="../../dir_e3bda0bde998a4d5063328245b9909be.html">base</a></li> </ul>
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<div class="title">media_handler.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2017 Google Inc. All rights reserved.</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div><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><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><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><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#ifndef PACKAGER_MEDIA_BASE_MEDIA_HANDLER_H_</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#define PACKAGER_MEDIA_BASE_MEDIA_HANDLER_H_</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <map></span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <memory></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <utility></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "packager/media/base/media_sample.h"</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "packager/media/base/stream_info.h"</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "packager/media/base/text_sample.h"</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "packager/status.h"</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">namespace </span>media {</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">enum class</span> StreamDataType {</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  kUnknown,</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  kStreamInfo,</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  kMediaSample,</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  kTextSample,</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  kSegmentInfo,</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  kScte35Event,</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  kCueEvent,</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> };</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> std::string StreamDataTypeToString(StreamDataType type);</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// Scte35Event represents cuepoint markers in input streams. It will be used</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// to represent out of band cuepoint markers too.</span></div><div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="../../d1/d41/structshaka_1_1media_1_1Scte35Event.html"> 36</a></span> <span class="keyword">struct </span><a class="code" href="../../d1/d41/structshaka_1_1media_1_1Scte35Event.html">Scte35Event</a> {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  std::string id;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="comment">// Segmentation type id from SCTE35 segmentation descriptor.</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordtype">int</span> type = 0;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordtype">double</span> start_time_in_seconds = 0;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">double</span> duration_in_seconds = 0;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  std::string cue_data;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> };</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">enum class</span> CueEventType { kCueIn, kCueOut, kCuePoint };</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// In server-based model, Chunking Handler consolidates SCTE-35 events and</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// generates CueEvent before an ad is about to be inserted.</span></div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="../../da/d93/structshaka_1_1media_1_1CueEvent.html"> 49</a></span> <span class="keyword">struct </span><a class="code" href="../../da/d93/structshaka_1_1media_1_1CueEvent.html">CueEvent</a> {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  CueEventType type = CueEventType::kCuePoint;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">double</span> time_in_seconds;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  std::string cue_data;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> };</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="../../d0/dc0/structshaka_1_1media_1_1SegmentInfo.html"> 55</a></span> <span class="keyword">struct </span><a class="code" href="../../d0/dc0/structshaka_1_1media_1_1SegmentInfo.html">SegmentInfo</a> {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">bool</span> is_subsegment = <span class="keyword">false</span>;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">bool</span> is_encrypted = <span class="keyword">false</span>;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  int64_t start_timestamp = -1;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  int64_t duration = 0;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// This is only available if key rotation is enabled. Note that we may have</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// a |key_rotation_encryption_config| even if the segment is not encrypted,</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// which is the case for clear lead.</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  std::shared_ptr<EncryptionConfig> key_rotation_encryption_config;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> };</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment">// TODO(kqyang): Should we use protobuf?</span></div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="../../d0/d4c/structshaka_1_1media_1_1StreamData.html"> 67</a></span> <span class="keyword">struct </span><a class="code" href="../../d0/d4c/structshaka_1_1media_1_1StreamData.html">StreamData</a> {</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">size_t</span> stream_index = <span class="keyword">static_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(-1);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  StreamDataType stream_data_type = StreamDataType::kUnknown;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  std::shared_ptr<const StreamInfo> stream_info;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  std::shared_ptr<const MediaSample> media_sample;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  std::shared_ptr<const TextSample> text_sample;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  std::shared_ptr<const SegmentInfo> segment_info;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  std::shared_ptr<const Scte35Event> scte35_event;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  std::shared_ptr<const CueEvent> cue_event;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">static</span> std::unique_ptr<StreamData> FromStreamInfo(</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">size_t</span> stream_index, std::shared_ptr<const StreamInfo> stream_info) {</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  std::unique_ptr<StreamData> stream_data(<span class="keyword">new</span> <a class="code" href="../../d0/d4c/structshaka_1_1media_1_1StreamData.html">StreamData</a>);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  stream_data->stream_index = stream_index;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  stream_data->stream_data_type = StreamDataType::kStreamInfo;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  stream_data->stream_info = std::move(stream_info);</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> stream_data;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">static</span> std::unique_ptr<StreamData> FromMediaSample(</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordtype">size_t</span> stream_index, std::shared_ptr<const MediaSample> media_sample) {</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  std::unique_ptr<StreamData> stream_data(<span class="keyword">new</span> <a class="code" href="../../d0/d4c/structshaka_1_1media_1_1StreamData.html">StreamData</a>);</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  stream_data->stream_index = stream_index;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  stream_data->stream_data_type = StreamDataType::kMediaSample;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  stream_data->media_sample = std::move(media_sample);</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">return</span> stream_data;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">static</span> std::unique_ptr<StreamData> FromTextSample(</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">size_t</span> stream_index, std::shared_ptr<const TextSample> text_sample) {</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  std::unique_ptr<StreamData> stream_data(<span class="keyword">new</span> <a class="code" href="../../d0/d4c/structshaka_1_1media_1_1StreamData.html">StreamData</a>);</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  stream_data->stream_index = stream_index;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  stream_data->stream_data_type = StreamDataType::kTextSample;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  stream_data->text_sample = std::move(text_sample);</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> stream_data;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">static</span> std::unique_ptr<StreamData> FromSegmentInfo(</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">size_t</span> stream_index, std::shared_ptr<const SegmentInfo> segment_info) {</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  std::unique_ptr<StreamData> stream_data(<span class="keyword">new</span> <a class="code" href="../../d0/d4c/structshaka_1_1media_1_1StreamData.html">StreamData</a>);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  stream_data->stream_index = stream_index;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  stream_data->stream_data_type = StreamDataType::kSegmentInfo;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  stream_data->segment_info = std::move(segment_info);</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">return</span> stream_data;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</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>  <span class="keyword">static</span> std::unique_ptr<StreamData> FromScte35Event(</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">size_t</span> stream_index,</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  std::shared_ptr<const Scte35Event> scte35_event) {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  std::unique_ptr<StreamData> stream_data(<span class="keyword">new</span> <a class="code" href="../../d0/d4c/structshaka_1_1media_1_1StreamData.html">StreamData</a>);</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  stream_data->stream_index = stream_index;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  stream_data->stream_data_type = StreamDataType::kScte35Event;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  stream_data->scte35_event = std::move(scte35_event);</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">return</span> stream_data;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">static</span> std::unique_ptr<StreamData> FromCueEvent(</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">size_t</span> stream_index,</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  std::shared_ptr<const CueEvent> cue_event) {</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  std::unique_ptr<StreamData> stream_data(<span class="keyword">new</span> <a class="code" href="../../d0/d4c/structshaka_1_1media_1_1StreamData.html">StreamData</a>);</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  stream_data->stream_index = stream_index;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  stream_data->stream_data_type = StreamDataType::kCueEvent;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  stream_data->cue_event = std::move(cue_event);</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">return</span> stream_data;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> };</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div><div class="line"><a name="l00150"></a><span class="lineno"><a class="line" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html"> 150</a></span> <span class="keyword">class </span><a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html">MediaHandler</a> {</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html">MediaHandler</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">virtual</span> ~<a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html">MediaHandler</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> SetHandler(<span class="keywordtype">size_t</span> output_stream_index,</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  std::shared_ptr<MediaHandler> handler);</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00160"></a><span class="lineno"><a class="line" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#afc48a2450ce50162de18071aef516b6c"> 160</a></span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#afc48a2450ce50162de18071aef516b6c">AddHandler</a>(std::shared_ptr<MediaHandler> handler) {</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">return</span> SetHandler(next_output_stream_index_, handler);</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> </div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> Initialize();</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div><div class="line"><a name="l00169"></a><span class="lineno"><a class="line" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a0e169e81344ce4ccfed3194ec5f4a3a1"> 169</a></span>  <span class="keywordtype">bool</span> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a0e169e81344ce4ccfed3194ec5f4a3a1">IsConnected</a>() { <span class="keywordflow">return</span> num_input_streams_ > 0; }</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keyword">virtual</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> InitializeInternal() = 0;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword">virtual</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> Process(std::unique_ptr<StreamData> stream_data) = 0;</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keyword">virtual</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> OnFlushRequest(<span class="keywordtype">size_t</span> input_stream_index);</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> ValidateOutputStreamIndex(<span class="keywordtype">size_t</span> stream_index) <span class="keyword">const</span>;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> Dispatch(std::unique_ptr<StreamData> stream_data) <span class="keyword">const</span>;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div><div class="line"><a name="l00193"></a><span class="lineno"><a class="line" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ad165375cd0a2074c5a740b42f847c499"> 193</a></span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ad165375cd0a2074c5a740b42f847c499">DispatchStreamInfo</a>(</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordtype">size_t</span> stream_index,</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  std::shared_ptr<const StreamInfo> stream_info)<span class="keyword"> const </span>{</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">return</span> Dispatch(</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  StreamData::FromStreamInfo(stream_index, std::move(stream_info)));</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> </div><div class="line"><a name="l00201"></a><span class="lineno"><a class="line" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a9a74fead95bc16255e73908bbebbced9"> 201</a></span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a9a74fead95bc16255e73908bbebbced9">DispatchMediaSample</a>(</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordtype">size_t</span> stream_index,</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  std::shared_ptr<const MediaSample> media_sample)<span class="keyword"> const </span>{</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">return</span> Dispatch(</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  StreamData::FromMediaSample(stream_index, std::move(media_sample)));</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  }</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="comment">// DispatchTextSample should only be override for testing.</span></div><div class="line"><a name="l00210"></a><span class="lineno"><a class="line" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a9c44df529fead65c007ee27b84ebd32a"> 210</a></span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a9c44df529fead65c007ee27b84ebd32a">DispatchTextSample</a>(</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordtype">size_t</span> stream_index,</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  std::shared_ptr<const TextSample> text_sample)<span class="keyword"> const </span>{</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">return</span> Dispatch(</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  StreamData::FromTextSample(stream_index, std::move(text_sample)));</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  }</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div><div class="line"><a name="l00218"></a><span class="lineno"><a class="line" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a2acc1c84a61aee93229d493aa93308d5"> 218</a></span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a2acc1c84a61aee93229d493aa93308d5">DispatchSegmentInfo</a>(</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordtype">size_t</span> stream_index,</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  std::shared_ptr<const SegmentInfo> segment_info)<span class="keyword"> const </span>{</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">return</span> Dispatch(</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  StreamData::FromSegmentInfo(stream_index, std::move(segment_info)));</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  }</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div><div class="line"><a name="l00226"></a><span class="lineno"><a class="line" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#aaea265e5d6e765b75ad622c5588e09f8"> 226</a></span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#aaea265e5d6e765b75ad622c5588e09f8">DispatchScte35Event</a>(</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordtype">size_t</span> stream_index,</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  std::shared_ptr<const Scte35Event> scte35_event)<span class="keyword"> const </span>{</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">return</span> Dispatch(</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  StreamData::FromScte35Event(stream_index, std::move(scte35_event)));</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div><div class="line"><a name="l00234"></a><span class="lineno"><a class="line" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a0dcba8fa849d5f031ab3e2b4803a7804"> 234</a></span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a0dcba8fa849d5f031ab3e2b4803a7804">DispatchCueEvent</a>(<span class="keywordtype">size_t</span> stream_index,</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  std::shared_ptr<const CueEvent> cue_event)<span class="keyword"> const </span>{</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">return</span> Dispatch(</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  StreamData::FromCueEvent(stream_index, std::move(cue_event)));</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> </div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> FlushDownstream(<span class="keywordtype">size_t</span> output_stream_index);</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> </div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> FlushAllDownstreams();</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordtype">bool</span> initialized() { <span class="keywordflow">return</span> initialized_; }</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordtype">size_t</span> num_input_streams()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> num_input_streams_; }</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordtype">size_t</span> next_output_stream_index()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> next_output_stream_index_; }</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keyword">const</span> std::map<size_t, std::pair<std::shared_ptr<MediaHandler>, <span class="keywordtype">size_t</span>>>&</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  output_handlers() {</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">return</span> output_handlers_;</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  }</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html">MediaHandler</a>(<span class="keyword">const</span> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html">MediaHandler</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html">MediaHandler</a>& operator=(<span class="keyword">const</span> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html">MediaHandler</a>&) = <span class="keyword">delete</span>;</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>  <span class="keywordtype">bool</span> initialized_ = <span class="keyword">false</span>;</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="comment">// Number of input streams.</span></div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordtype">size_t</span> num_input_streams_ = 0;</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="comment">// The next available output stream index, used by AddHandler.</span></div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordtype">size_t</span> next_output_stream_index_ = 0;</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="comment">// output stream index -> {output handler, output handler input stream index}</span></div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="comment">// map.</span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  std::map<size_t, std::pair<std::shared_ptr<MediaHandler>, <span class="keywordtype">size_t</span>>></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  output_handlers_;</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> };</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> </div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> } <span class="comment">// namespace media</span></div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> } <span class="comment">// namespace shaka</span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> </div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor">#endif // PACKAGER_MEDIA_BASE_MEDIA_HANDLER_H_</span></div><div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_ad165375cd0a2074c5a740b42f847c499"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ad165375cd0a2074c5a740b42f847c499">shaka::media::MediaHandler::DispatchStreamInfo</a></div><div class="ttdeci">Status DispatchStreamInfo(size_t stream_index, std::shared_ptr< const StreamInfo > stream_info) const</div><div class="ttdoc">Dispatch the stream info to downstream handlers. </div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00193">media_handler.h:193</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1SegmentInfo_html"><div class="ttname"><a href="../../d0/dc0/structshaka_1_1media_1_1SegmentInfo.html">shaka::media::SegmentInfo</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00055">media_handler.h:55</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1StreamData_html"><div class="ttname"><a href="../../d0/d4c/structshaka_1_1media_1_1StreamData.html">shaka::media::StreamData</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00067">media_handler.h:67</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html">shaka::media::MediaHandler</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00150">media_handler.h:150</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_a0e169e81344ce4ccfed3194ec5f4a3a1"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a0e169e81344ce4ccfed3194ec5f4a3a1">shaka::media::MediaHandler::IsConnected</a></div><div class="ttdeci">bool IsConnected()</div><div class="ttdoc">Validate if the handler is connected to its upstream handler. </div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00169">media_handler.h:169</a></div></div>
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<div class="ttc" id="namespaceshaka_html"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html">shaka</a></div><div class="ttdoc">All the methods that are virtual are virtual for mocking. </div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011">gflags_hex_bytes.cc:11</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1CueEvent_html"><div class="ttname"><a href="../../da/d93/structshaka_1_1media_1_1CueEvent.html">shaka::media::CueEvent</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00049">media_handler.h:49</a></div></div>
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<div class="ttc" id="classshaka_1_1Status_html"><div class="ttname"><a href="../../d2/d20/classshaka_1_1Status.html">shaka::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d13/status_8h_source.html#l00110">status.h:110</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_a9c44df529fead65c007ee27b84ebd32a"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a9c44df529fead65c007ee27b84ebd32a">shaka::media::MediaHandler::DispatchTextSample</a></div><div class="ttdeci">Status DispatchTextSample(size_t stream_index, std::shared_ptr< const TextSample > text_sample) const</div><div class="ttdoc">Dispatch the text sample to downstream handlers. </div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00210">media_handler.h:210</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_afc48a2450ce50162de18071aef516b6c"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#afc48a2450ce50162de18071aef516b6c">shaka::media::MediaHandler::AddHandler</a></div><div class="ttdeci">Status AddHandler(std::shared_ptr< MediaHandler > handler)</div><div class="ttdoc">Connect downstream handler to the next available output stream index. </div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00160">media_handler.h:160</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_a2acc1c84a61aee93229d493aa93308d5"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a2acc1c84a61aee93229d493aa93308d5">shaka::media::MediaHandler::DispatchSegmentInfo</a></div><div class="ttdeci">Status DispatchSegmentInfo(size_t stream_index, std::shared_ptr< const SegmentInfo > segment_info) const</div><div class="ttdoc">Dispatch the segment info to downstream handlers. </div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00218">media_handler.h:218</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_a0dcba8fa849d5f031ab3e2b4803a7804"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a0dcba8fa849d5f031ab3e2b4803a7804">shaka::media::MediaHandler::DispatchCueEvent</a></div><div class="ttdeci">Status DispatchCueEvent(size_t stream_index, std::shared_ptr< const CueEvent > cue_event) const</div><div class="ttdoc">Dispatch the cue event to downstream handlers. </div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00234">media_handler.h:234</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_aaea265e5d6e765b75ad622c5588e09f8"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#aaea265e5d6e765b75ad622c5588e09f8">shaka::media::MediaHandler::DispatchScte35Event</a></div><div class="ttdeci">Status DispatchScte35Event(size_t stream_index, std::shared_ptr< const Scte35Event > scte35_event) const</div><div class="ttdoc">Dispatch the scte35 event to downstream handlers. </div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00226">media_handler.h:226</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1Scte35Event_html"><div class="ttname"><a href="../../d1/d41/structshaka_1_1media_1_1Scte35Event.html">shaka::media::Scte35Event</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00036">media_handler.h:36</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_a9a74fead95bc16255e73908bbebbced9"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a9a74fead95bc16255e73908bbebbced9">shaka::media::MediaHandler::DispatchMediaSample</a></div><div class="ttdeci">Status DispatchMediaSample(size_t stream_index, std::shared_ptr< const MediaSample > media_sample) const</div><div class="ttdoc">Dispatch the media sample to downstream handlers. </div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00201">media_handler.h:201</a></div></div>
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