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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>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Use of this source code is governed by a BSD-style</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// license that can be found in the LICENSE file or at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// https://developers.google.com/open-source/licenses/bsd</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#ifndef PACKAGER_MEDIA_BASE_MEDIA_HANDLER_H_</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor"></span><span class="preprocessor">#define PACKAGER_MEDIA_BASE_MEDIA_HANDLER_H_</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor"></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 <utility></span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "packager/media/base/media_sample.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "packager/media/base/stream_info.h"</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "packager/media/base/text_sample.h"</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "packager/status.h"</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span>shaka {</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">enum class</span> StreamDataType {</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  kUnknown,</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  kPeriodInfo,</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  kStreamInfo,</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  kMediaSample,</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  kTextSample,</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  kMediaEvent,</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  kSegmentInfo,</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> };</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// TODO(kqyang): Define these structures.</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="../../d7/d58/structshaka_1_1media_1_1PeriodInfo.html"> 33</a></span> <span class="keyword">struct </span><a class="code" href="../../d7/d58/structshaka_1_1media_1_1PeriodInfo.html">PeriodInfo</a> {};</div>
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<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="../../df/dd3/structshaka_1_1media_1_1MediaEvent.html"> 34</a></span> <span class="keyword">struct </span><a class="code" href="../../df/dd3/structshaka_1_1media_1_1MediaEvent.html">MediaEvent</a> {};</div>
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<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="../../d0/dc0/structshaka_1_1media_1_1SegmentInfo.html"> 35</a></span> <span class="keyword">struct </span><a class="code" href="../../d0/dc0/structshaka_1_1media_1_1SegmentInfo.html">SegmentInfo</a> {</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordtype">bool</span> is_subsegment = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordtype">bool</span> is_encrypted = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  int64_t start_timestamp = -1;</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  int64_t duration = 0;</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="comment">// This is only available if key rotation is enabled. Note that we may have</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="comment">// a |key_rotation_encryption_config| even if the segment is not encrypted,</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="comment">// which is the case for clear lead.</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  std::shared_ptr<EncryptionConfig> key_rotation_encryption_config;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> };</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// TODO(kqyang): Should we use protobuf?</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="../../d0/d4c/structshaka_1_1media_1_1StreamData.html"> 47</a></span> <span class="keyword">struct </span><a class="code" href="../../d0/d4c/structshaka_1_1media_1_1StreamData.html">StreamData</a> {</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</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>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  StreamDataType stream_data_type = StreamDataType::kUnknown;</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"> 51</span>  std::shared_ptr<const PeriodInfo> period_info;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  std::shared_ptr<const StreamInfo> stream_info;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  std::shared_ptr<const MediaSample> media_sample;</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  std::shared_ptr<const TextSample> text_sample;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  std::shared_ptr<const MediaEvent> media_event;</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  std::shared_ptr<const SegmentInfo> segment_info;</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">static</span> std::unique_ptr<StreamData> FromPeriodInfo(</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">size_t</span> stream_index, std::shared_ptr<const PeriodInfo> period_info) {</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</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>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  stream_data->stream_index = stream_index;</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  stream_data->stream_data_type = StreamDataType::kPeriodInfo;</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  stream_data->period_info = std::move(period_info);</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> stream_data;</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">static</span> std::unique_ptr<StreamData> FromStreamInfo(</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">size_t</span> stream_index, std::shared_ptr<const StreamInfo> stream_info) {</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</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>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  stream_data->stream_index = stream_index;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  stream_data->stream_data_type = StreamDataType::kStreamInfo;</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  stream_data->stream_info = std::move(stream_info);</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> stream_data;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">static</span> std::unique_ptr<StreamData> FromMediaSample(</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">size_t</span> stream_index, std::shared_ptr<const MediaSample> media_sample) {</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</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>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  stream_data->stream_index = stream_index;</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  stream_data->stream_data_type = StreamDataType::kMediaSample;</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  stream_data->media_sample = std::move(media_sample);</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span> stream_data;</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">static</span> std::unique_ptr<StreamData> FromTextSample(</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">size_t</span> stream_index, std::shared_ptr<const TextSample> text_sample) {</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</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>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  stream_data->stream_index = stream_index;</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  stream_data->stream_data_type = StreamDataType::kTextSample;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  stream_data->text_sample = std::move(text_sample);</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> stream_data;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">static</span> std::unique_ptr<StreamData> FromMediaEvent(</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordtype">size_t</span> stream_index, std::shared_ptr<const MediaEvent> media_event) {</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</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>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  stream_data->stream_index = stream_index;</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  stream_data->stream_data_type = StreamDataType::kMediaEvent;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  stream_data->media_event = std::move(media_event);</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> stream_data;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">static</span> std::unique_ptr<StreamData> FromSegmentInfo(</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">size_t</span> stream_index, std::shared_ptr<const SegmentInfo> segment_info) {</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</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>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  stream_data->stream_index = stream_index;</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  stream_data->stream_data_type = StreamDataType::kSegmentInfo;</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  stream_data->segment_info = std::move(segment_info);</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> stream_data;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> };</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div>
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<div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html"> 128</a></span> <span class="keyword">class </span><a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html">MediaHandler</a> {</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html">MediaHandler</a>() = <span class="keywordflow">default</span>;</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</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>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</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#a0fac1fe2d593e78d47244acdfa21759d">SetHandler</a>(<span class="keywordtype">size_t</span> output_stream_index,</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  std::shared_ptr<MediaHandler> handler);</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div>
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<div class="line"><a name="l00138"></a><span class="lineno"><a class="line" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#afc48a2450ce50162de18071aef516b6c"> 138</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>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">return</span> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a0fac1fe2d593e78d47244acdfa21759d">SetHandler</a>(next_output_stream_index_, handler);</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</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#aed0da512bbd998ec9d0a5c019ad17acb">Initialize</a>();</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div>
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<div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a0e169e81344ce4ccfed3194ec5f4a3a1"> 147</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>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">virtual</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#a0e05325d62bfb66318301c1ed790a46e">InitializeInternal</a>() = 0;</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keyword">virtual</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#acb614e9f43e1eb6f837801b15b78c0b4">Process</a>(std::unique_ptr<StreamData> stream_data) = 0;</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">virtual</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#a69a31b8ec1b85fd4790c7c2013c69a73">OnFlushRequest</a>(<span class="keywordtype">size_t</span> input_stream_index);</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a71df357be46c02dc0e71b2eabb034c10">ValidateOutputStreamIndex</a>(<span class="keywordtype">size_t</span> stream_index) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</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#accd62dd4def920571f95f4e1a98ab7ca">Dispatch</a>(std::unique_ptr<StreamData> stream_data);</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
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<div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#aadccc177c1ca19a3d112484d78d4ee28"> 171</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#aadccc177c1ca19a3d112484d78d4ee28">DispatchPeriodInfo</a>(</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordtype">size_t</span> stream_index, std::shared_ptr<const PeriodInfo> period_info) {</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">return</span> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#accd62dd4def920571f95f4e1a98ab7ca">Dispatch</a>(StreamData::FromPeriodInfo(stream_index, period_info));</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  }</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div>
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<div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#af0c7b537e9745a0eb49b4561dbc89f55"> 177</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#af0c7b537e9745a0eb49b4561dbc89f55">DispatchStreamInfo</a>(</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordtype">size_t</span> stream_index, std::shared_ptr<const StreamInfo> stream_info) {</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">return</span> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#accd62dd4def920571f95f4e1a98ab7ca">Dispatch</a>(StreamData::FromStreamInfo(stream_index, stream_info));</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div>
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<div class="line"><a name="l00183"></a><span class="lineno"><a class="line" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a96d8a53afdeeb838218b981e7b2d71eb"> 183</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#a96d8a53afdeeb838218b981e7b2d71eb">DispatchMediaSample</a>(</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordtype">size_t</span> stream_index, std::shared_ptr<const MediaSample> media_sample) {</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">return</span> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#accd62dd4def920571f95f4e1a98ab7ca">Dispatch</a>(StreamData::FromMediaSample(stream_index, media_sample));</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment">// DispatchTextSample should only be override for testing.</span></div>
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|
<div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a65d965532a6488eab28551aca51a1a2a"> 190</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#a65d965532a6488eab28551aca51a1a2a">DispatchTextSample</a>(</div>
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|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordtype">size_t</span> stream_index, std::shared_ptr<const TextSample> text_sample) {</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">return</span> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#accd62dd4def920571f95f4e1a98ab7ca">Dispatch</a>(StreamData::FromTextSample(stream_index, text_sample));</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  }</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div>
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<div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a1c4c8b216cb4f902e522f0abd4571b86"> 196</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#a1c4c8b216cb4f902e522f0abd4571b86">DispatchMediaEvent</a>(</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordtype">size_t</span> stream_index, std::shared_ptr<const MediaEvent> media_event) {</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">return</span> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#accd62dd4def920571f95f4e1a98ab7ca">Dispatch</a>(StreamData::FromMediaEvent(stream_index, media_event));</div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div>
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<div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ab0ed6c81bd68250d84f6b04453472c00"> 202</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#ab0ed6c81bd68250d84f6b04453472c00">DispatchSegmentInfo</a>(</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordtype">size_t</span> stream_index, std::shared_ptr<const SegmentInfo> segment_info) {</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">return</span> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#accd62dd4def920571f95f4e1a98ab7ca">Dispatch</a>(StreamData::FromSegmentInfo(stream_index, segment_info));</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  }</div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</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#ad5001bf12073101a949b062943769f5b">FlushDownstream</a>(<span class="keywordtype">size_t</span> output_stream_index);</div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</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#ab644ca7b0a0dbcbc42936f2dfb979ca5">FlushAllDownstreams</a>();</div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordtype">bool</span> initialized() { <span class="keywordflow">return</span> initialized_; }</div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordtype">size_t</span> num_input_streams()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> num_input_streams_; }</div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</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>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">const</span> std::map<size_t, std::pair<std::shared_ptr<MediaHandler>, <span class="keywordtype">size_t</span>>>&</div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  output_handlers() {</div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">return</span> output_handlers_;</div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  MediaHandler(<span class="keyword">const</span> MediaHandler&) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  MediaHandler& operator=(<span class="keyword">const</span> MediaHandler&) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordtype">bool</span> initialized_ = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="comment">// Number of input streams.</span></div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordtype">size_t</span> num_input_streams_ = 0;</div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// The next available output stream index, used by AddHandler.</span></div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordtype">size_t</span> next_output_stream_index_ = 0;</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">// output stream index -> {output handler, output handler input stream index}</span></div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="comment">// map.</span></div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  std::map<size_t, std::pair<std::shared_ptr<MediaHandler>, <span class="keywordtype">size_t</span>>></div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  output_handlers_;</div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> };</div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> } <span class="comment">// namespace media</span></div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> } <span class="comment">// namespace shaka</span></div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="preprocessor">#endif // PACKAGER_MEDIA_BASE_MEDIA_HANDLER_H_</span></div>
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|
<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_a71df357be46c02dc0e71b2eabb034c10"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a71df357be46c02dc0e71b2eabb034c10">shaka::media::MediaHandler::ValidateOutputStreamIndex</a></div><div class="ttdeci">virtual bool ValidateOutputStreamIndex(size_t stream_index) const </div><div class="ttdoc">Validate if the stream at the specified index actually exists. </div><div class="ttdef"><b>Definition:</b> <a href="../../d2/de9/media__handler_8cc_source.html#l00048">media_handler.cc:48</a></div></div>
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|
<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_aadccc177c1ca19a3d112484d78d4ee28"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#aadccc177c1ca19a3d112484d78d4ee28">shaka::media::MediaHandler::DispatchPeriodInfo</a></div><div class="ttdeci">Status DispatchPeriodInfo(size_t stream_index, std::shared_ptr< const PeriodInfo > period_info)</div><div class="ttdoc">Dispatch the period info to downstream handlers. </div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00171">media_handler.h:171</a></div></div>
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|
<div class="ttc" id="structshaka_1_1media_1_1MediaEvent_html"><div class="ttname"><a href="../../df/dd3/structshaka_1_1media_1_1MediaEvent.html">shaka::media::MediaEvent</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00034">media_handler.h:34</a></div></div>
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|
<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_a0e05325d62bfb66318301c1ed790a46e"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a0e05325d62bfb66318301c1ed790a46e">shaka::media::MediaHandler::InitializeInternal</a></div><div class="ttdeci">virtual Status InitializeInternal()=0</div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_accd62dd4def920571f95f4e1a98ab7ca"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#accd62dd4def920571f95f4e1a98ab7ca">shaka::media::MediaHandler::Dispatch</a></div><div class="ttdeci">Status Dispatch(std::unique_ptr< StreamData > stream_data)</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/de9/media__handler_8cc_source.html#l00052">media_handler.cc:52</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#l00035">media_handler.h:35</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#l00047">media_handler.h:47</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#l00128">media_handler.h:128</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_a69a31b8ec1b85fd4790c7c2013c69a73"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a69a31b8ec1b85fd4790c7c2013c69a73">shaka::media::MediaHandler::OnFlushRequest</a></div><div class="ttdeci">virtual Status OnFlushRequest(size_t input_stream_index)</div><div class="ttdoc">Event handler for flush request at the specific input stream index. </div><div class="ttdef"><b>Definition:</b> <a href="../../d2/de9/media__handler_8cc_source.html#l00041">media_handler.cc:41</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#l00147">media_handler.h:147</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_a1c4c8b216cb4f902e522f0abd4571b86"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a1c4c8b216cb4f902e522f0abd4571b86">shaka::media::MediaHandler::DispatchMediaEvent</a></div><div class="ttdeci">Status DispatchMediaEvent(size_t stream_index, std::shared_ptr< const MediaEvent > media_event)</div><div class="ttdoc">Dispatch the media event to downstream handlers. </div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00196">media_handler.h:196</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_acb614e9f43e1eb6f837801b15b78c0b4"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#acb614e9f43e1eb6f837801b15b78c0b4">shaka::media::MediaHandler::Process</a></div><div class="ttdeci">virtual Status Process(std::unique_ptr< StreamData > stream_data)=0</div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_ab644ca7b0a0dbcbc42936f2dfb979ca5"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ab644ca7b0a0dbcbc42936f2dfb979ca5">shaka::media::MediaHandler::FlushAllDownstreams</a></div><div class="ttdeci">Status FlushAllDownstreams()</div><div class="ttdoc">Flush all connected downstreams. </div><div class="ttdef"><b>Definition:</b> <a href="../../d2/de9/media__handler_8cc_source.html#l00072">media_handler.cc:72</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_a65d965532a6488eab28551aca51a1a2a"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a65d965532a6488eab28551aca51a1a2a">shaka::media::MediaHandler::DispatchTextSample</a></div><div class="ttdeci">Status DispatchTextSample(size_t stream_index, std::shared_ptr< const TextSample > text_sample)</div><div class="ttdoc">Dispatch the text sample to downsream handlers. </div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00190">media_handler.h:190</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 availble output stream index. </div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00138">media_handler.h:138</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_ad5001bf12073101a949b062943769f5b"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ad5001bf12073101a949b062943769f5b">shaka::media::MediaHandler::FlushDownstream</a></div><div class="ttdeci">Status FlushDownstream(size_t output_stream_index)</div><div class="ttdoc">Flush the downstream connected at the specified output stream index. </div><div class="ttdef"><b>Definition:</b> <a href="../../d2/de9/media__handler_8cc_source.html#l00063">media_handler.cc:63</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_af0c7b537e9745a0eb49b4561dbc89f55"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#af0c7b537e9745a0eb49b4561dbc89f55">shaka::media::MediaHandler::DispatchStreamInfo</a></div><div class="ttdeci">Status DispatchStreamInfo(size_t stream_index, std::shared_ptr< const StreamInfo > stream_info)</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#l00177">media_handler.h:177</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_a96d8a53afdeeb838218b981e7b2d71eb"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a96d8a53afdeeb838218b981e7b2d71eb">shaka::media::MediaHandler::DispatchMediaSample</a></div><div class="ttdeci">Status DispatchMediaSample(size_t stream_index, std::shared_ptr< const MediaSample > media_sample)</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#l00183">media_handler.h:183</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_ab0ed6c81bd68250d84f6b04453472c00"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ab0ed6c81bd68250d84f6b04453472c00">shaka::media::MediaHandler::DispatchSegmentInfo</a></div><div class="ttdeci">Status DispatchSegmentInfo(size_t stream_index, std::shared_ptr< const SegmentInfo > segment_info)</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#l00202">media_handler.h:202</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_a0fac1fe2d593e78d47244acdfa21759d"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a0fac1fe2d593e78d47244acdfa21759d">shaka::media::MediaHandler::SetHandler</a></div><div class="ttdeci">Status SetHandler(size_t output_stream_index, std::shared_ptr< MediaHandler > handler)</div><div class="ttdoc">Connect downstream handler at the specified output stream index. </div><div class="ttdef"><b>Definition:</b> <a href="../../d2/de9/media__handler_8cc_source.html#l00012">media_handler.cc:12</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MediaHandler_html_aed0da512bbd998ec9d0a5c019ad17acb"><div class="ttname"><a href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#aed0da512bbd998ec9d0a5c019ad17acb">shaka::media::MediaHandler::Initialize</a></div><div class="ttdeci">Status Initialize()</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/de9/media__handler_8cc_source.html#l00024">media_handler.cc:24</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1PeriodInfo_html"><div class="ttname"><a href="../../d7/d58/structshaka_1_1media_1_1PeriodInfo.html">shaka::media::PeriodInfo</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d93/media__handler_8h_source.html#l00033">media_handler.h:33</a></div></div>
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