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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="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2014 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">#include "packager/media/base/muxer.h"</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <algorithm></span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/media/base/media_sample.h"</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">namespace </span>media {</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">namespace </span>{</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> kInitialEncryptionInfo = <span class="keyword">true</span>;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> } <span class="comment">// namespace</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> Muxer::Muxer(<span class="keyword">const</span> MuxerOptions& options)</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  : options_(options), cancelled_(false), clock_(NULL) {}</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> Muxer::~Muxer() {}</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="../../df/d46/classshaka_1_1media_1_1Muxer.html#a9204fe352d13cea8a367ae9c14e9639e"> 24</a></span> <span class="keywordtype">void</span> <a class="code" href="../../df/d46/classshaka_1_1media_1_1Muxer.html#a9204fe352d13cea8a367ae9c14e9639e">Muxer::Cancel</a>() {</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  cancelled_ = <span class="keyword">true</span>;</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> }</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="../../df/d46/classshaka_1_1media_1_1Muxer.html#a0e76dd0a5c07dd538221459365ae824a"> 28</a></span> <span class="keywordtype">void</span> <a class="code" href="../../df/d46/classshaka_1_1media_1_1Muxer.html#a0e76dd0a5c07dd538221459365ae824a">Muxer::SetMuxerListener</a>(std::unique_ptr<MuxerListener> muxer_listener) {</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  muxer_listener_ = std::move(muxer_listener);</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"><a class="line" href="../../df/d46/classshaka_1_1media_1_1Muxer.html#a25a146d553c385aad70dbff6b3e87eec"> 32</a></span> <span class="keywordtype">void</span> <a class="code" href="../../df/d46/classshaka_1_1media_1_1Muxer.html#a25a146d553c385aad70dbff6b3e87eec">Muxer::SetProgressListener</a>(</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  std::unique_ptr<ProgressListener> progress_listener) {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  progress_listener_ = std::move(progress_listener);</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> }</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="../../df/d46/classshaka_1_1media_1_1Muxer.html#aec730b070245231a0887787005c06eee"> 37</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../df/d46/classshaka_1_1media_1_1Muxer.html#aec730b070245231a0887787005c06eee">Muxer::Process</a>(std::unique_ptr<StreamData> stream_data) {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> status;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">switch</span> (stream_data->stream_data_type) {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">case</span> StreamDataType::kStreamInfo:</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  streams_.push_back(std::move(stream_data->stream_info));</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">if</span> (muxer_listener_ && streams_.back()->is_encrypted()) {</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">const</span> <a class="code" href="../../d7/d34/structshaka_1_1media_1_1EncryptionConfig.html">EncryptionConfig</a>& encryption_config =</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  streams_.back()->encryption_config();</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  muxer_listener_->OnEncryptionInfoReady(</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  kInitialEncryptionInfo, encryption_config.protection_scheme,</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  encryption_config.key_id, encryption_config.constant_iv,</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  encryption_config.key_system_info);</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  current_key_id_ = encryption_config.key_id;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  }</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">return</span> InitializeMuxer();</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">case</span> StreamDataType::kSegmentInfo: {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& segment_info = *stream_data->segment_info;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">if</span> (muxer_listener_ && segment_info.is_encrypted) {</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">const</span> <a class="code" href="../../d7/d34/structshaka_1_1media_1_1EncryptionConfig.html">EncryptionConfig</a>* encryption_config =</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  segment_info.key_rotation_encryption_config.get();</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="comment">// Only call OnEncryptionInfoReady again when key updates.</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">if</span> (encryption_config && encryption_config->key_id != current_key_id_) {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  muxer_listener_->OnEncryptionInfoReady(</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  !kInitialEncryptionInfo, encryption_config->protection_scheme,</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  encryption_config->key_id, encryption_config->constant_iv,</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  encryption_config->key_system_info);</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  current_key_id_ = encryption_config->key_id;</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>  <span class="keywordflow">if</span> (!encryption_started_) {</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  encryption_started_ = <span class="keyword">true</span>;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  muxer_listener_->OnEncryptionStart();</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  }</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span> FinalizeSegment(stream_data->stream_index, segment_info);</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">case</span> StreamDataType::kMediaSample:</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> AddSample(stream_data->stream_index, *stream_data->media_sample);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">case</span> StreamDataType::kCueEvent:</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">if</span> (muxer_listener_) {</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">const</span> int64_t time_scale =</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  streams_[stream_data->stream_index]->time_scale();</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> time_in_seconds = stream_data->cue_event->time_in_seconds;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">const</span> int64_t scaled_time =</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">static_cast<</span>int64_t<span class="keyword">></span>(time_in_seconds * time_scale);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  muxer_listener_->OnCueEvent(scaled_time,</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  stream_data->cue_event->cue_data);</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">default</span>:</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  VLOG(3) << <span class="stringliteral">"Stream data type "</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  << <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(stream_data->stream_data_type) << <span class="stringliteral">" ignored."</span>;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// No dispatch for muxer.</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> Status::OK;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> }</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> } <span class="comment">// namespace media</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> } <span class="comment">// namespace shaka</span></div><div class="ttc" id="classshaka_1_1media_1_1Muxer_html_a9204fe352d13cea8a367ae9c14e9639e"><div class="ttname"><a href="../../df/d46/classshaka_1_1media_1_1Muxer.html#a9204fe352d13cea8a367ae9c14e9639e">shaka::media::Muxer::Cancel</a></div><div class="ttdeci">void Cancel()</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/db9/muxer_8cc_source.html#l00024">muxer.cc:24</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="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="structshaka_1_1media_1_1EncryptionConfig_html"><div class="ttname"><a href="../../d7/d34/structshaka_1_1media_1_1EncryptionConfig.html">shaka::media::EncryptionConfig</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d05/encryption__config_8h_source.html#l00016">encryption_config.h:16</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1Muxer_html_a25a146d553c385aad70dbff6b3e87eec"><div class="ttname"><a href="../../df/d46/classshaka_1_1media_1_1Muxer.html#a25a146d553c385aad70dbff6b3e87eec">shaka::media::Muxer::SetProgressListener</a></div><div class="ttdeci">void SetProgressListener(std::unique_ptr< ProgressListener > progress_listener)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/db9/muxer_8cc_source.html#l00032">muxer.cc:32</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1Muxer_html_aec730b070245231a0887787005c06eee"><div class="ttname"><a href="../../df/d46/classshaka_1_1media_1_1Muxer.html#aec730b070245231a0887787005c06eee">shaka::media::Muxer::Process</a></div><div class="ttdeci">Status Process(std::unique_ptr< StreamData > stream_data) override</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/db9/muxer_8cc_source.html#l00037">muxer.cc:37</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1Muxer_html_a0e76dd0a5c07dd538221459365ae824a"><div class="ttname"><a href="../../df/d46/classshaka_1_1media_1_1Muxer.html#a0e76dd0a5c07dd538221459365ae824a">shaka::media::Muxer::SetMuxerListener</a></div><div class="ttdeci">void SetMuxerListener(std::unique_ptr< MuxerListener > muxer_listener)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/db9/muxer_8cc_source.html#l00028">muxer.cc:28</a></div></div>
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