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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_b8a35a7f00287a46b0da66a108ec1239.html">demuxer</a></li> </ul>
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<div class="title">demuxer.cc</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 2014 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">#include "packager/media/demuxer/demuxer.h"</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  </div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <algorithm></span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/base/bind.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/base/logging.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "packager/base/strings/string_number_conversions.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "packager/file/file.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/decryptor_source.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/key_source.h"</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "packager/media/base/macros.h"</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "packager/media/base/media_sample.h"</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "packager/media/base/stream_info.h"</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "packager/media/formats/mp2t/mp2t_media_parser.h"</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "packager/media/formats/mp4/mp4_media_parser.h"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "packager/media/formats/webm/webm_media_parser.h"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "packager/media/formats/webvtt/webvtt_parser.h"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "packager/media/formats/wvm/wvm_media_parser.h"</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// 65KB, sufficient to determine the container and likely all init data.</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> kInitBufSize = 0x10000;</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> kBufSize = 0x200000; <span class="comment">// 2MB</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// Maximum number of allowed queued samples. If we are receiving a lot of</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// samples before seeing init_event, something is not right. The number</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// set here is arbitrary though.</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> kQueuedSamplesLimit = 10000;</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> kInvalidStreamIndex = <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="l00035"></a><span class="lineno"> 35</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> kBaseVideoOutputStreamIndex = 0x100;</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> kBaseAudioOutputStreamIndex = 0x200;</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> kBaseTextOutputStreamIndex = 0x300;</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  </div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> std::string GetStreamLabel(<span class="keywordtype">size_t</span> stream_index) {</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">switch</span> (stream_index) {</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">case</span> kBaseVideoOutputStreamIndex:</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">return</span> <span class="stringliteral">"video"</span>;</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">case</span> kBaseAudioOutputStreamIndex:</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">return</span> <span class="stringliteral">"audio"</span>;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">case</span> kBaseTextOutputStreamIndex:</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">return</span> <span class="stringliteral">"text"</span>;</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">return</span> base::SizeTToString(stream_index);</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  }</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>  </div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keywordtype">bool</span> GetStreamIndex(<span class="keyword">const</span> std::string& stream_label, <span class="keywordtype">size_t</span>* stream_index) {</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  DCHECK(stream_index);</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">if</span> (stream_label == <span class="stringliteral">"video"</span>) {</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  *stream_index = kBaseVideoOutputStreamIndex;</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (stream_label == <span class="stringliteral">"audio"</span>) {</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  *stream_index = kBaseAudioOutputStreamIndex;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (stream_label == <span class="stringliteral">"text"</span>) {</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  *stream_index = kBaseTextOutputStreamIndex;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// Expect stream_label to be a zero based stream id.</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">if</span> (!base::StringToSizeT(stream_label, stream_index)) {</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  LOG(ERROR) << <span class="stringliteral">"Invalid argument --stream="</span> << stream_label << <span class="stringliteral">"; "</span></div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  << <span class="stringliteral">"should be 'audio', 'video', 'text', or a number"</span>;</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">return</span> <span class="keyword">false</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>  }</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> }</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> }</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  </div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">namespace </span>media {</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"><a class="line" href="../../dd/d17/classshaka_1_1media_1_1Demuxer.html#ae2fee69f99e5815de4f686b24393402e"> 76</a></span> <a class="code" href="../../dd/d17/classshaka_1_1media_1_1Demuxer.html#ae2fee69f99e5815de4f686b24393402e">Demuxer::Demuxer</a>(<span class="keyword">const</span> std::string& file_name)</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  : file_name_(file_name), buffer_(new uint8_t[kBufSize]) {}</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> Demuxer::~Demuxer() {</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span> (media_file_)</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  media_file_-><a class="code" href="../../d3/d73/classshaka_1_1File.html#a932666ed1d6a565bf387a9d8b39a8948">Close</a>();</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> }</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"><a class="line" href="../../dd/d17/classshaka_1_1media_1_1Demuxer.html#abfcf3a9a3f64c0e27497c72324049a1e"> 84</a></span> <span class="keywordtype">void</span> <a class="code" href="../../dd/d17/classshaka_1_1media_1_1Demuxer.html#abfcf3a9a3f64c0e27497c72324049a1e">Demuxer::SetKeySource</a>(std::unique_ptr<KeySource> key_source) {</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  key_source_ = std::move(key_source);</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> }</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  </div>
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<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="../../dd/d17/classshaka_1_1media_1_1Demuxer.html#a006e77dc91701543231bfda75b946d3c"> 88</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../dd/d17/classshaka_1_1media_1_1Demuxer.html#a006e77dc91701543231bfda75b946d3c">Demuxer::Run</a>() {</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  LOG(INFO) << <span class="stringliteral">"Demuxer::Run() on file '"</span> << file_name_ << <span class="stringliteral">"'."</span>;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> status = InitializeParser();</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// ParserInitEvent callback is called after a few calls to Parse(), which sets</span></div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// up the streams. Only after that, we can verify the outputs below.</span></div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">while</span> (!all_streams_ready_ && status.ok())</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  status.<a class="code" href="../../d2/d20/classshaka_1_1Status.html#a9c0536749c9abc21c1111e622de6b7c8">Update</a>(Parse());</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">// If no output is defined, then return success after receiving all stream</span></div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">// info.</span></div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">if</span> (all_streams_ready_ && output_handlers().empty())</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">if</span> (!init_event_status_.ok())</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> init_event_status_;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (!status.ok())</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> status;</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">// Check if all specified outputs exists.</span></div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& pair : output_handlers()) {</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">if</span> (std::find(stream_indexes_.begin(), stream_indexes_.end(), pair.first) ==</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  stream_indexes_.end()) {</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  LOG(ERROR) << <span class="stringliteral">"Invalid argument, stream="</span> << GetStreamLabel(pair.first)</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  << <span class="stringliteral">" not available."</span>;</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::INVALID_ARGUMENT, <span class="stringliteral">"Stream not available"</span>);</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>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">while</span> (!cancelled_ && status.ok())</div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  status.<a class="code" href="../../d2/d20/classshaka_1_1Status.html#a9c0536749c9abc21c1111e622de6b7c8">Update</a>(Parse());</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">if</span> (cancelled_ && status.ok())</div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::CANCELLED, <span class="stringliteral">"Demuxer run cancelled"</span>);</div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  </div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span> (status.error_code() == error::END_OF_STREAM) {</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> stream_index : stream_indexes_) {</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  status = <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ad5001bf12073101a949b062943769f5b">FlushDownstream</a>(stream_index);</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (!status.ok())</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">return</span> status;</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="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">return</span> status;</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> }</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  </div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"><a class="line" href="../../dd/d17/classshaka_1_1media_1_1Demuxer.html#a683de4ad66155311d90d92635546dc8d"> 129</a></span> <span class="keywordtype">void</span> <a class="code" href="../../dd/d17/classshaka_1_1media_1_1Demuxer.html#a683de4ad66155311d90d92635546dc8d">Demuxer::Cancel</a>() {</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  cancelled_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> }</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  </div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="../../dd/d17/classshaka_1_1media_1_1Demuxer.html#a1247302b6c57fbafb09aec71ce0109e3"> 133</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../dd/d17/classshaka_1_1media_1_1Demuxer.html#a1247302b6c57fbafb09aec71ce0109e3">Demuxer::SetHandler</a>(<span class="keyword">const</span> std::string& stream_label,</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  std::shared_ptr<MediaHandler> handler) {</div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">size_t</span> stream_index = kInvalidStreamIndex;</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">if</span> (!GetStreamIndex(stream_label, &stream_index)) {</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::INVALID_ARGUMENT,</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="stringliteral">"Invalid stream: "</span> + stream_label);</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">return</span> <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a0fac1fe2d593e78d47244acdfa21759d">MediaHandler::SetHandler</a>(stream_index, std::move(handler));</div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> }</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  </div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="../../dd/d17/classshaka_1_1media_1_1Demuxer.html#aa3fe0a64a2745fa6f462c3d179809c3b"> 143</a></span> <span class="keywordtype">void</span> <a class="code" href="../../dd/d17/classshaka_1_1media_1_1Demuxer.html#aa3fe0a64a2745fa6f462c3d179809c3b">Demuxer::SetLanguageOverride</a>(<span class="keyword">const</span> std::string& stream_label,</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">const</span> std::string& language_override) {</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordtype">size_t</span> stream_index = kInvalidStreamIndex;</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">if</span> (!GetStreamIndex(stream_label, &stream_index))</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  LOG(WARNING) << <span class="stringliteral">"Invalid stream for language override "</span> << stream_label;</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  language_overrides_[stream_index] = language_override;</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> }</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> Demuxer::InitializeParser() {</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  DCHECK(!media_file_);</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  DCHECK(!all_streams_ready_);</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  </div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  LOG(INFO) << <span class="stringliteral">"Initialize Demuxer for file '"</span> << file_name_ << <span class="stringliteral">"'."</span>;</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  </div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  media_file_ = <a class="code" href="../../d3/d73/classshaka_1_1File.html#a68a15f623c2a1601879f291f93a1f464">File::Open</a>(file_name_.c_str(), <span class="stringliteral">"r"</span>);</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">if</span> (!media_file_) {</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::FILE_FAILURE,</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="stringliteral">"Cannot open file for reading "</span> + file_name_);</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</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>  <span class="comment">// Read enough bytes before detecting the container.</span></div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  int64_t bytes_read = 0;</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">while</span> (<span class="keyword">static_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(bytes_read) < kInitBufSize) {</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  int64_t read_result =</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  media_file_-><a class="code" href="../../d3/d73/classshaka_1_1File.html#a6e1ecb2904b609554d332290f20fde0a">Read</a>(buffer_.get() + bytes_read, kInitBufSize);</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> (read_result < 0)</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::FILE_FAILURE, <span class="stringliteral">"Cannot read file "</span> + file_name_);</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (read_result == 0)</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  bytes_read += read_result;</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  container_name_ = DetermineContainer(buffer_.get(), bytes_read);</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  </div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// Initialize media parser.</span></div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">switch</span> (container_name_) {</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">case</span> CONTAINER_MOV:</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  parser_.reset(<span class="keyword">new</span> mp4::MP4MediaParser());</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">case</span> CONTAINER_MPEG2TS:</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  parser_.reset(<span class="keyword">new</span> mp2t::Mp2tMediaParser());</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">// Widevine classic (WVM) is derived from MPEG2PS. We do not support</span></div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="comment">// non-WVM MPEG2PS file, thus we do not differentiate between the two.</span></div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="comment">// Every MPEG2PS file is assumed to be WVM file. If it turns out not the</span></div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="comment">// case, an error will be reported when trying to parse the file as WVM</span></div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="comment">// file.</span></div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">case</span> CONTAINER_MPEG2PS:</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  FALLTHROUGH_INTENDED;</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">case</span> CONTAINER_WVM:</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  parser_.reset(<span class="keyword">new</span> wvm::WvmMediaParser());</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">case</span> CONTAINER_WEBM:</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  parser_.reset(<span class="keyword">new</span> WebMMediaParser());</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">case</span> CONTAINER_WEBVTT:</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  parser_.reset(<span class="keyword">new</span> WebVttParser());</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">case</span> CONTAINER_UNKNOWN: {</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">const</span> int64_t kDumpSizeLimit = 512;</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  LOG(ERROR) << <span class="stringliteral">"Failed to detect the container type from the buffer: "</span></div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  << base::HexEncode(buffer_.get(),</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  std::min(bytes_read, kDumpSizeLimit));</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">return</span> Status(error::INVALID_ARGUMENT,</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="stringliteral">"Failed to detect the container type."</span>);</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  }</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  NOTIMPLEMENTED() << <span class="stringliteral">"Container "</span> << container_name_</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  << <span class="stringliteral">" is not supported."</span>;</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">return</span> Status(error::UNIMPLEMENTED, <span class="stringliteral">"Container not supported."</span>);</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  }</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  </div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  parser_->Init(</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  base::Bind(&Demuxer::ParserInitEvent, base::Unretained(<span class="keyword">this</span>)),</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  base::Bind(&Demuxer::NewMediaSampleEvent, base::Unretained(<span class="keyword">this</span>)),</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  base::Bind(&Demuxer::NewTextSampleEvent, base::Unretained(<span class="keyword">this</span>)),</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  key_source_.get());</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  </div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment">// Handle trailing 'moov'.</span></div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">if</span> (container_name_ == CONTAINER_MOV &&</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <a class="code" href="../../d3/d73/classshaka_1_1File.html#a8eb71689f5456ba0b1a401c57386caaf">File::IsLocalRegularFile</a>(file_name_.c_str())) {</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// TODO(kqyang): Investigate whether we can reuse the existing file</span></div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="comment">// descriptor |media_file_| instead of opening the same file again.</span></div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keyword">static_cast<</span>mp4::MP4MediaParser*<span class="keyword">></span>(parser_.get())->LoadMoov(file_name_);</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  }</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">if</span> (!parser_->Parse(buffer_.get(), bytes_read)) {</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">return</span> Status(error::PARSER_FAILURE,</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="stringliteral">"Cannot parse media file "</span> + file_name_);</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  }</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> }</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  </div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="keywordtype">void</span> Demuxer::ParserInitEvent(</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keyword">const</span> std::vector<std::shared_ptr<StreamInfo>>& stream_infos) {</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">if</span> (dump_stream_info_) {</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  printf(<span class="stringliteral">"\nFile \"%s\":\n"</span>, file_name_.c_str());</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  printf(<span class="stringliteral">"Found %zu stream(s).\n"</span>, stream_infos.size());</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < stream_infos.size(); ++i)</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  printf(<span class="stringliteral">"Stream [%zu] %s\n"</span>, i, stream_infos[i]->ToString().c_str());</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  }</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  </div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordtype">int</span> base_stream_index = 0;</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordtype">bool</span> video_handler_set =</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  output_handlers().find(kBaseVideoOutputStreamIndex) !=</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  output_handlers().end();</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordtype">bool</span> audio_handler_set =</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  output_handlers().find(kBaseAudioOutputStreamIndex) !=</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  output_handlers().end();</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordtype">bool</span> text_handler_set =</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  output_handlers().find(kBaseTextOutputStreamIndex) !=</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  output_handlers().end();</div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> std::shared_ptr<StreamInfo>& stream_info : stream_infos) {</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordtype">size_t</span> stream_index = base_stream_index;</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">if</span> (video_handler_set && stream_info->stream_type() == kStreamVideo) {</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  stream_index = kBaseVideoOutputStreamIndex;</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="comment">// Only for the first video stream.</span></div>
|
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  video_handler_set = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  }</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">if</span> (audio_handler_set && stream_info->stream_type() == kStreamAudio) {</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  stream_index = kBaseAudioOutputStreamIndex;</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="comment">// Only for the first audio stream.</span></div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  audio_handler_set = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  }</div>
|
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">if</span> (text_handler_set && stream_info->stream_type() == kStreamText) {</div>
|
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  stream_index = kBaseTextOutputStreamIndex;</div>
|
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  text_handler_set = <span class="keyword">false</span>;</div>
|
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  }</div>
|
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  </div>
|
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> handler_set =</div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  output_handlers().find(stream_index) != output_handlers().end();</div>
|
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">if</span> (handler_set) {</div>
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|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  track_id_to_stream_index_map_[stream_info->track_id()] = stream_index;</div>
|
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  stream_indexes_.push_back(stream_index);</div>
|
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keyword">auto</span> iter = language_overrides_.find(stream_index);</div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">if</span> (iter != language_overrides_.end() &&</div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  stream_info->stream_type() != kStreamVideo) {</div>
|
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  stream_info->set_language(iter->second);</div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  }</div>
|
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">if</span> (stream_info->is_encrypted()) {</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  init_event_status_.<a class="code" href="../../d2/d20/classshaka_1_1Status.html#a9c0536749c9abc21c1111e622de6b7c8">Update</a>(Status(error::INVALID_ARGUMENT,</div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="stringliteral">"A decryption key source is not "</span></div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="stringliteral">"provided for an encrypted stream."</span>));</div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  init_event_status_.<a class="code" href="../../d2/d20/classshaka_1_1Status.html#a9c0536749c9abc21c1111e622de6b7c8">Update</a>(</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ad165375cd0a2074c5a740b42f847c499">DispatchStreamInfo</a>(stream_index, stream_info));</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  }</div>
|
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  } <span class="keywordflow">else</span> {</div>
|
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  track_id_to_stream_index_map_[stream_info->track_id()] =</div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  kInvalidStreamIndex;</div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  }</div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  ++base_stream_index;</div>
|
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  }</div>
|
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  all_streams_ready_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> }</div>
|
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  </div>
|
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="keywordtype">bool</span> Demuxer::NewMediaSampleEvent(uint32_t track_id,</div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  std::shared_ptr<MediaSample> sample) {</div>
|
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">if</span> (!all_streams_ready_) {</div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">if</span> (queued_media_samples_.size() >= kQueuedSamplesLimit) {</div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  LOG(ERROR) << <span class="stringliteral">"Queued samples limit reached: "</span> << kQueuedSamplesLimit;</div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  }</div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  queued_media_samples_.emplace_back(track_id, sample);</div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  }</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">if</span> (!init_event_status_.ok()) {</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  }</div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  </div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordflow">while</span> (!queued_media_samples_.empty()) {</div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">if</span> (!PushMediaSample(queued_media_samples_.front().track_id,</div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  queued_media_samples_.front().sample)) {</div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  }</div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  queued_media_samples_.pop_front();</div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  }</div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">return</span> PushMediaSample(track_id, sample);</div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> }</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  </div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="keywordtype">bool</span> Demuxer::NewTextSampleEvent(uint32_t track_id,</div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  std::shared_ptr<TextSample> sample) {</div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">if</span> (!all_streams_ready_) {</div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">if</span> (queued_text_samples_.size() >= kQueuedSamplesLimit) {</div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  LOG(ERROR) << <span class="stringliteral">"Queued samples limit reached: "</span> << kQueuedSamplesLimit;</div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  }</div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  queued_text_samples_.emplace_back(track_id, sample);</div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  }</div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">if</span> (!init_event_status_.ok()) {</div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  }</div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  </div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">while</span> (!queued_text_samples_.empty()) {</div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">if</span> (!PushTextSample(queued_text_samples_.front().track_id,</div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  queued_text_samples_.front().sample)) {</div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  }</div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  queued_text_samples_.pop_front();</div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  }</div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordflow">return</span> PushTextSample(track_id, sample);</div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> }</div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  </div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="keywordtype">bool</span> Demuxer::PushMediaSample(uint32_t track_id,</div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  std::shared_ptr<MediaSample> sample) {</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keyword">auto</span> stream_index_iter = track_id_to_stream_index_map_.find(track_id);</div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">if</span> (stream_index_iter == track_id_to_stream_index_map_.end()) {</div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  LOG(ERROR) << <span class="stringliteral">"Track "</span> << track_id << <span class="stringliteral">" not found."</span>;</div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  }</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">if</span> (stream_index_iter->second == kInvalidStreamIndex)</div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  Status status = <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a9a74fead95bc16255e73908bbebbced9">DispatchMediaSample</a>(stream_index_iter->second, sample);</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">if</span> (!status.ok()) {</div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  LOG(ERROR) << <span class="stringliteral">"Failed to process sample "</span> << stream_index_iter->second</div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  << <span class="stringliteral">" "</span> << status;</div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  }</div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> }</div>
|
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  </div>
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="keywordtype">bool</span> Demuxer::PushTextSample(uint32_t track_id,</div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  std::shared_ptr<TextSample> sample) {</div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keyword">auto</span> stream_index_iter = track_id_to_stream_index_map_.find(track_id);</div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">if</span> (stream_index_iter == track_id_to_stream_index_map_.end()) {</div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  LOG(ERROR) << <span class="stringliteral">"Track "</span> << track_id << <span class="stringliteral">" not found."</span>;</div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  }</div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">if</span> (stream_index_iter->second == kInvalidStreamIndex)</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  Status status = <a class="code" href="../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a9c44df529fead65c007ee27b84ebd32a">DispatchTextSample</a>(stream_index_iter->second, sample);</div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordflow">if</span> (!status.ok()) {</div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  LOG(ERROR) << <span class="stringliteral">"Failed to process sample "</span> << stream_index_iter->second</div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  << <span class="stringliteral">" "</span> << status;</div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  }</div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> }</div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  </div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> Status Demuxer::Parse() {</div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  DCHECK(media_file_);</div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  DCHECK(parser_);</div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  DCHECK(buffer_);</div>
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  </div>
|
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  int64_t bytes_read = media_file_-><a class="code" href="../../d3/d73/classshaka_1_1File.html#a6e1ecb2904b609554d332290f20fde0a">Read</a>(buffer_.get(), kBufSize);</div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keywordflow">if</span> (bytes_read == 0) {</div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">if</span> (!parser_->Flush())</div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">return</span> Status(error::PARSER_FAILURE, <span class="stringliteral">"Failed to flush."</span>);</div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">return</span> Status(error::END_OF_STREAM, <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (bytes_read < 0) {</div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordflow">return</span> Status(error::FILE_FAILURE, <span class="stringliteral">"Cannot read file "</span> + file_name_);</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  }</div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  </div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">return</span> parser_->Parse(buffer_.get(), bytes_read)</div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  ? Status::OK</div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  : Status(error::PARSER_FAILURE,</div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="stringliteral">"Cannot parse media file "</span> + file_name_);</div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> }</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  </div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> } <span class="comment">// namespace media</span></div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> } <span class="comment">// namespace shaka</span></div>
|
|
</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="aclassshaka_1_1Status_html_a9c0536749c9abc21c1111e622de6b7c8"><div class="ttname"><a href="../../d2/d20/classshaka_1_1Status.html#a9c0536749c9abc21c1111e622de6b7c8">shaka::Status::Update</a></div><div class="ttdeci">void Update(Status new_status)</div><div class="ttdef"><b>Definition:</b> <a href="../../da/dc3/status_8cc_source.html#l00078">status.cc:78</a></div></div>
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<div class="ttc" id="aclassshaka_1_1File_html_a8eb71689f5456ba0b1a401c57386caaf"><div class="ttname"><a href="../../d3/d73/classshaka_1_1File.html#a8eb71689f5456ba0b1a401c57386caaf">shaka::File::IsLocalRegularFile</a></div><div class="ttdeci">static bool IsLocalRegularFile(const char *file_name)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/dfc/file_8cc_source.html#l00377">file.cc:377</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1Demuxer_html_a1247302b6c57fbafb09aec71ce0109e3"><div class="ttname"><a href="../../dd/d17/classshaka_1_1media_1_1Demuxer.html#a1247302b6c57fbafb09aec71ce0109e3">shaka::media::Demuxer::SetHandler</a></div><div class="ttdeci">Status SetHandler(const std::string &stream_label, std::shared_ptr< MediaHandler > handler)</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/dbe/demuxer_8cc_source.html#l00133">demuxer.cc:133</a></div></div>
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<div class="ttc" id="aclassshaka_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#l00207">media_handler.h:207</a></div></div>
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<div class="ttc" id="aclassshaka_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#l00034">media_handler.cc:34</a></div></div>
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<div class="ttc" id="aclassshaka_1_1File_html_a6e1ecb2904b609554d332290f20fde0a"><div class="ttname"><a href="../../d3/d73/classshaka_1_1File.html#a6e1ecb2904b609554d332290f20fde0a">shaka::File::Read</a></div><div class="ttdeci">virtual int64_t Read(void *buffer, uint64_t length)=0</div></div>
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<div class="ttc" id="anamespaceshaka_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="aclassshaka_1_1media_1_1Demuxer_html_ae2fee69f99e5815de4f686b24393402e"><div class="ttname"><a href="../../dd/d17/classshaka_1_1media_1_1Demuxer.html#ae2fee69f99e5815de4f686b24393402e">shaka::media::Demuxer::Demuxer</a></div><div class="ttdeci">Demuxer(const std::string &file_name)</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/dbe/demuxer_8cc_source.html#l00076">demuxer.cc:76</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1Demuxer_html_a006e77dc91701543231bfda75b946d3c"><div class="ttname"><a href="../../dd/d17/classshaka_1_1media_1_1Demuxer.html#a006e77dc91701543231bfda75b946d3c">shaka::media::Demuxer::Run</a></div><div class="ttdeci">Status Run() override</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/dbe/demuxer_8cc_source.html#l00088">demuxer.cc:88</a></div></div>
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<div class="ttc" id="aclassshaka_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#l00199">media_handler.h:199</a></div></div>
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<div class="ttc" id="aclassshaka_1_1File_html_a932666ed1d6a565bf387a9d8b39a8948"><div class="ttname"><a href="../../d3/d73/classshaka_1_1File.html#a932666ed1d6a565bf387a9d8b39a8948">shaka::File::Close</a></div><div class="ttdeci">virtual bool Close()=0</div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1Demuxer_html_abfcf3a9a3f64c0e27497c72324049a1e"><div class="ttname"><a href="../../dd/d17/classshaka_1_1media_1_1Demuxer.html#abfcf3a9a3f64c0e27497c72324049a1e">shaka::media::Demuxer::SetKeySource</a></div><div class="ttdeci">void SetKeySource(std::unique_ptr< KeySource > key_source)</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/dbe/demuxer_8cc_source.html#l00084">demuxer.cc:84</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1Demuxer_html_a683de4ad66155311d90d92635546dc8d"><div class="ttname"><a href="../../dd/d17/classshaka_1_1media_1_1Demuxer.html#a683de4ad66155311d90d92635546dc8d">shaka::media::Demuxer::Cancel</a></div><div class="ttdeci">void Cancel() override</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/dbe/demuxer_8cc_source.html#l00129">demuxer.cc:129</a></div></div>
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<div class="ttc" id="aclassshaka_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="aclassshaka_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#l00105">media_handler.cc:105</a></div></div>
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<div class="ttc" id="aclassshaka_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#l00216">media_handler.h:216</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1Demuxer_html_aa3fe0a64a2745fa6f462c3d179809c3b"><div class="ttname"><a href="../../dd/d17/classshaka_1_1media_1_1Demuxer.html#aa3fe0a64a2745fa6f462c3d179809c3b">shaka::media::Demuxer::SetLanguageOverride</a></div><div class="ttdeci">void SetLanguageOverride(const std::string &stream_label, const std::string &language_override)</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/dbe/demuxer_8cc_source.html#l00143">demuxer.cc:143</a></div></div>
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<div class="ttc" id="aclassshaka_1_1File_html_a68a15f623c2a1601879f291f93a1f464"><div class="ttname"><a href="../../d3/d73/classshaka_1_1File.html#a68a15f623c2a1601879f291f93a1f464">shaka::File::Open</a></div><div class="ttdeci">virtual bool Open()=0</div><div class="ttdoc">Internal open. Should not be used directly.</div></div>
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