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<div class="title">mp4_muxer.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/formats/mp4/mp4_muxer.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 "packager/base/time/clock.h"</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "packager/base/time/time.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/media/base/aes_encryptor.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/media/base/audio_stream_info.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "packager/media/base/fourccs.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "packager/media/base/key_source.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/media_sample.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/media_stream.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/video_stream_info.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/event/muxer_listener.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/file/file.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/mp4/box_definitions.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/es_descriptor.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/mp4/multi_segment_segmenter.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/mp4/single_segment_segmenter.h"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span>edash_packager {</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">namespace </span>mp4 {</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// Sets the range start and end value from offset and size.</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// |start| and |end| are for byte-range-spec specified in RFC2616.</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keywordtype">void</span> SetStartAndEndFromOffsetAndSize(<span class="keywordtype">size_t</span> offset,</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordtype">size_t</span> size,</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  uint32_t* start,</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  uint32_t* end) {</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  DCHECK(start && end);</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  *start = <span class="keyword">static_cast<</span>uint32_t<span class="keyword">></span>(offset);</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="comment">// Note that ranges are inclusive. So we need - 1.</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  *end = *start + <span class="keyword">static_cast<</span>uint32_t<span class="keyword">></span>(size) - 1;</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> }</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> FourCC VideoCodecToFourCC(VideoCodec codec) {</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">switch</span> (codec) {</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">case</span> kCodecH264:</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">return</span> FOURCC_avc1;</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">case</span> kCodecHEV1:</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">return</span> FOURCC_hev1;</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">case</span> kCodecHVC1:</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">return</span> FOURCC_hvc1;</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">case</span> kCodecVP8:</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">return</span> FOURCC_vp08;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">case</span> kCodecVP9:</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> FOURCC_vp09;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">case</span> kCodecVP10:</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">return</span> FOURCC_vp10;</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> FOURCC_NULL;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> }</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> FourCC AudioCodecToFourCC(AudioCodec codec) {</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">switch</span> (codec) {</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">case</span> kCodecAAC:</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">return</span> FOURCC_mp4a;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">case</span> kCodecAC3:</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">return</span> FOURCC_ac_3;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">case</span> kCodecDTSC:</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> FOURCC_dtsc;</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">case</span> kCodecDTSH:</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> FOURCC_dtsh;</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">case</span> kCodecDTSL:</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> FOURCC_dtsl;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">case</span> kCodecDTSE:</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">return</span> FOURCC_dtse;</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">case</span> kCodecDTSM:</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">return</span> FOURCC_dtsm;</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">case</span> kCodecEAC3:</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">return</span> FOURCC_ec_3;</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">case</span> kCodecOpus:</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> FOURCC_Opus;</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">return</span> FOURCC_NULL;</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  }</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> }</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> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
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<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="../../d1/d78/classedash__packager_1_1media_1_1mp4_1_1MP4Muxer.html#ae787aeba358f95d73edf5b80d4fc43fe"> 89</a></span> <a class="code" href="../../d1/d78/classedash__packager_1_1media_1_1mp4_1_1MP4Muxer.html#ae787aeba358f95d73edf5b80d4fc43fe">MP4Muxer::MP4Muxer</a>(<span class="keyword">const</span> <a class="code" href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html">MuxerOptions</a>& options) : <a class="code" href="../../d4/d1d/classedash__packager_1_1media_1_1Muxer.html">Muxer</a>(options) {}</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> MP4Muxer::~MP4Muxer() {}</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> MP4Muxer::Initialize() {</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  DCHECK(!streams().empty());</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  scoped_ptr<FileType> ftyp(<span class="keyword">new</span> FileType);</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  scoped_ptr<Movie> moov(<span class="keyword">new</span> Movie);</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  ftyp->major_brand = FOURCC_dash;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  ftyp->compatible_brands.push_back(FOURCC_iso6);</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  ftyp->compatible_brands.push_back(FOURCC_mp41);</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (streams().size() == 1 &&</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  streams()[0]->info()->stream_type() == kStreamVideo) {</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">const</span> FourCC codec_fourcc = VideoCodecToFourCC(</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  static_cast<VideoStreamInfo*>(streams()[0]->info().<span class="keyword">get</span>())->codec());</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">if</span> (codec_fourcc != FOURCC_NULL)</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  ftyp->compatible_brands.push_back(codec_fourcc);</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  moov->header.creation_time = IsoTimeNow();</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  moov->header.modification_time = IsoTimeNow();</div>
|
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  moov->header.next_track_id = streams().size() + 1;</div>
|
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  moov->tracks.resize(streams().size());</div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  moov->extends.tracks.resize(streams().size());</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// Initialize tracks.</span></div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">for</span> (uint32_t i = 0; i < streams().size(); ++i) {</div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  Track& trak = moov->tracks[i];</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  trak.header.track_id = i + 1;</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  TrackExtends& trex = moov->extends.tracks[i];</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  trex.track_id = trak.header.track_id;</div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  trex.default_sample_description_index = 1;</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">switch</span> (streams()[i]->info()->stream_type()) {</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">case</span> kStreamVideo:</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  GenerateVideoTrak(</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  static_cast<VideoStreamInfo*>(streams()[i]->info().<span class="keyword">get</span>()),</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  &trak,</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  i + 1);</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">case</span> kStreamAudio:</div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  GenerateAudioTrak(</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  static_cast<AudioStreamInfo*>(streams()[i]->info().<span class="keyword">get</span>()),</div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  &trak,</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  i + 1);</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  NOTIMPLEMENTED() << <span class="stringliteral">"Not implemented for stream type: "</span></div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  << streams()[i]->info()->stream_type();</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"> 143</span> </div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">if</span> (options().single_segment) {</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  segmenter_.reset(</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">new</span> SingleSegmentSegmenter(options(), ftyp.Pass(), moov.Pass()));</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  segmenter_.reset(</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">new</span> MultiSegmentSegmenter(options(), ftyp.Pass(), moov.Pass()));</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> </div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">const</span> Status segmenter_initialized = segmenter_->Initialize(</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  streams(), muxer_listener(), progress_listener(), encryption_key_source(),</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  max_sd_pixels(), clear_lead_in_seconds(),</div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  crypto_period_duration_in_seconds(), protection_scheme());</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>  <span class="keywordflow">if</span> (!segmenter_initialized.ok())</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">return</span> segmenter_initialized;</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  FireOnMediaStartEvent();</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> }</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> Status MP4Muxer::Finalize() {</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  DCHECK(segmenter_);</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  Status segmenter_finalized = segmenter_->Finalize();</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> (!segmenter_finalized.ok())</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">return</span> segmenter_finalized;</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  FireOnMediaEndEvent();</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  LOG(INFO) << <span class="stringliteral">"MP4 file '"</span> << options().<a class="code" href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#addd401a47b287f3c18cbdc4bfa1a6963">output_file_name</a> << <span class="stringliteral">"' finalized."</span>;</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> }</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> Status MP4Muxer::DoAddSample(<span class="keyword">const</span> MediaStream* stream,</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  scoped_refptr<MediaSample> sample) {</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  DCHECK(segmenter_);</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">return</span> segmenter_->AddSample(stream, sample);</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> }</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="keywordtype">void</span> MP4Muxer::InitializeTrak(<span class="keyword">const</span> StreamInfo* info, Track* trak) {</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  int64_t now = IsoTimeNow();</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  trak->header.creation_time = now;</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  trak->header.modification_time = now;</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  trak->header.duration = 0;</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  trak->media.header.creation_time = now;</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  trak->media.header.modification_time = now;</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  trak->media.header.timescale = info->time_scale();</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  trak->media.header.duration = 0;</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">if</span> (!info->language().empty()) {</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="comment">// Strip off the subtag, if any.</span></div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  std::string main_language = info->language();</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordtype">size_t</span> dash = main_language.find(<span class="charliteral">'-'</span>);</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">if</span> (dash != std::string::npos) {</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  main_language.erase(dash);</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">// ISO-639-2/T main language code should be 3 characters.</span></div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">if</span> (main_language.size() != 3) {</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  LOG(WARNING) << <span class="stringliteral">"'"</span> << main_language << <span class="stringliteral">"' is not a valid ISO-639-2 "</span></div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  << <span class="stringliteral">"language code, ignoring."</span>;</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  trak->media.header.language.code = main_language;</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  }</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  }</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> }</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="keywordtype">void</span> MP4Muxer::GenerateVideoTrak(<span class="keyword">const</span> VideoStreamInfo* video_info,</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  Track* trak,</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  uint32_t track_id) {</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  InitializeTrak(video_info, trak);</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>  <span class="comment">// width and height specify the track's visual presentation size as</span></div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="comment">// fixed-point 16.16 values.</span></div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  uint32_t pixel_width = video_info->pixel_width();</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  uint32_t pixel_height = video_info->pixel_height();</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">if</span> (pixel_width == 0 || pixel_height == 0) {</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  LOG(WARNING) << <span class="stringliteral">"pixel width/height are not set. Assuming 1:1."</span>;</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  pixel_width = 1;</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  pixel_height = 1;</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  }</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> sample_aspect_ratio =</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(pixel_width) / pixel_height;</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  trak->header.width = video_info->width() * sample_aspect_ratio * 0x10000;</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  trak->header.height = video_info->height() * 0x10000;</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  VideoSampleEntry video;</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  video.format = VideoCodecToFourCC(video_info->codec());</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  video.width = video_info->width();</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  video.height = video_info->height();</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  video.codec_config_record.data = video_info->extra_data();</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span> (pixel_width != 1 || pixel_height != 1) {</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  video.pixel_aspect.h_spacing = pixel_width;</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  video.pixel_aspect.v_spacing = pixel_height;</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  }</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  SampleDescription& sample_description =</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  trak->media.information.sample_table.description;</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  sample_description.type = kVideo;</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  sample_description.video_entries.push_back(video);</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> </div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="keywordtype">void</span> MP4Muxer::GenerateAudioTrak(<span class="keyword">const</span> AudioStreamInfo* audio_info,</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  Track* trak,</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  uint32_t track_id) {</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  InitializeTrak(audio_info, trak);</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> </div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  trak->header.volume = 0x100;</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> </div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  AudioSampleEntry audio;</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  audio.format = AudioCodecToFourCC(audio_info->codec());</div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">switch</span>(audio_info->codec()){</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">case</span> kCodecAAC:</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  audio.esds.es_descriptor.set_object_type(kISO_14496_3); <span class="comment">// MPEG4 AAC.</span></div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  audio.esds.es_descriptor.set_esid(track_id);</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  audio.esds.es_descriptor.set_decoder_specific_info(</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  audio_info->extra_data());</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  audio.esds.es_descriptor.set_max_bitrate(audio_info->max_bitrate());</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  audio.esds.es_descriptor.set_avg_bitrate(audio_info->avg_bitrate());</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">case</span> kCodecDTSC:</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">case</span> kCodecDTSH:</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">case</span> kCodecDTSL:</div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">case</span> kCodecDTSE:</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">case</span> kCodecDTSM:</div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  audio.ddts.extra_data = audio_info->extra_data();</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  audio.ddts.max_bitrate = audio_info->max_bitrate();</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  audio.ddts.avg_bitrate = audio_info->avg_bitrate();</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  audio.ddts.sampling_frequency = audio_info->sampling_frequency();</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  audio.ddts.pcm_sample_depth = audio_info->sample_bits();</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">case</span> kCodecAC3:</div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  audio.dac3.data = audio_info->extra_data();</div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">case</span> kCodecEAC3:</div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  audio.dec3.data = audio_info->extra_data();</div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">case</span> kCodecOpus:</div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  audio.dops.opus_identification_header = audio_info->extra_data();</div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  NOTIMPLEMENTED();</div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  }</div>
|
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  audio.channelcount = audio_info->num_channels();</div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  audio.samplesize = audio_info->sample_bits();</div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  audio.samplerate = audio_info->sampling_frequency();</div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  SampleTable& sample_table = trak->media.information.sample_table;</div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  SampleDescription& sample_description = sample_table.description;</div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  sample_description.type = kAudio;</div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  sample_description.audio_entries.push_back(audio);</div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> </div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="comment">// Opus requires at least one sample group description box and at least one</span></div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// sample to group box with grouping type 'roll' within sample table box.</span></div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">if</span> (audio_info->codec() == kCodecOpus) {</div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  sample_table.sample_group_descriptions.resize(1);</div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  SampleGroupDescription& sample_group_description =</div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  sample_table.sample_group_descriptions.back();</div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  sample_group_description.grouping_type = FOURCC_roll;</div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  sample_group_description.audio_roll_recovery_entries.resize(1);</div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="comment">// The roll distance is expressed in sample units and always takes negative</span></div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="comment">// values.</span></div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keyword">const</span> uint64_t kNanosecondsPerSecond = 1000000000ull;</div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  sample_group_description.audio_roll_recovery_entries[0].roll_distance =</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  -(audio_info->seek_preroll_ns() * audio.samplerate +</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  kNanosecondsPerSecond / 2) /</div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  kNanosecondsPerSecond;</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>  sample_table.sample_to_groups.resize(1);</div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  SampleToGroup& sample_to_group = sample_table.sample_to_groups.back();</div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  sample_to_group.grouping_type = FOURCC_roll;</div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> </div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  sample_to_group.entries.resize(1);</div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  SampleToGroupEntry& sample_to_group_entry = sample_to_group.entries.back();</div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="comment">// All samples are in track fragments.</span></div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  sample_to_group_entry.sample_count = 0;</div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  sample_to_group_entry.group_description_index =</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  SampleToGroupEntry::kTrackGroupDescriptionIndexBase + 1;</div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (audio_info->seek_preroll_ns() != 0) {</div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  LOG(WARNING) << <span class="stringliteral">"Unexpected seek preroll for codec "</span> << audio_info->codec();</div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  }</div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> }</div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> </div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="keywordtype">bool</span> MP4Muxer::GetInitRangeStartAndEnd(uint32_t* start, uint32_t* end) {</div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  DCHECK(start && end);</div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordtype">size_t</span> range_offset = 0;</div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordtype">size_t</span> range_size = 0;</div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> has_range = segmenter_->GetInitRange(&range_offset, &range_size);</div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">if</span> (!has_range)</div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> </div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  SetStartAndEndFromOffsetAndSize(range_offset, range_size, start, end);</div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</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> <span class="keywordtype">bool</span> MP4Muxer::GetIndexRangeStartAndEnd(uint32_t* start, uint32_t* end) {</div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  DCHECK(start && end);</div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordtype">size_t</span> range_offset = 0;</div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordtype">size_t</span> range_size = 0;</div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> has_range = segmenter_->GetIndexRange(&range_offset, &range_size);</div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> </div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">if</span> (!has_range)</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> </div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  SetStartAndEndFromOffsetAndSize(range_offset, range_size, start, end);</div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">return</span> <span class="keyword">true</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> </div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="keywordtype">void</span> MP4Muxer::FireOnMediaStartEvent() {</div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keywordflow">if</span> (!muxer_listener())</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> </div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">if</span> (streams().size() > 1) {</div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  LOG(ERROR) << <span class="stringliteral">"MuxerListener cannot take more than 1 stream."</span>;</div>
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  }</div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  DCHECK(!streams().empty()) << <span class="stringliteral">"Media started without a stream."</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="keyword">const</span> uint32_t timescale = segmenter_->GetReferenceTimeScale();</div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  muxer_listener()-><a class="code" href="../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html#ac6ef1d524f12f21c6250653dbdbaca20">OnMediaStart</a>(options(),</div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  *streams().front()->info(),</div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  timescale,</div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  MuxerListener::kContainerMp4);</div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</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="keywordtype">void</span> MP4Muxer::FireOnMediaEndEvent() {</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">if</span> (!muxer_listener())</div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> </div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  uint32_t init_range_start = 0;</div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  uint32_t init_range_end = 0;</div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> has_init_range =</div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  GetInitRangeStartAndEnd(&init_range_start, &init_range_end);</div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> </div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  uint32_t index_range_start = 0;</div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  uint32_t index_range_end = 0;</div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> has_index_range =</div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  GetIndexRangeStartAndEnd(&index_range_start, &index_range_end);</div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> </div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> duration_seconds = <span class="keyword">static_cast<</span><span class="keywordtype">float</span><span class="keyword">></span>(segmenter_->GetDuration());</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>  <span class="keyword">const</span> int64_t file_size =</div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <a class="code" href="../../de/d19/classedash__packager_1_1media_1_1File.html#a239a76adb5ff5c5340c58f96d7034ec6">File::GetFileSize</a>(options().output_file_name.c_str());</div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">if</span> (file_size <= 0) {</div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  LOG(ERROR) << <span class="stringliteral">"Invalid file size: "</span> << file_size;</div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  }</div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> </div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  muxer_listener()-><a class="code" href="../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html#a6e2a4029988230dbd7fc24b482ce1866">OnMediaEnd</a>(has_init_range,</div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  init_range_start,</div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  init_range_end,</div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  has_index_range,</div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  index_range_start,</div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  index_range_end,</div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  duration_seconds,</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  file_size);</div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> }</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> </div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span> uint64_t MP4Muxer::IsoTimeNow() {</div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="comment">// Time in seconds from Jan. 1, 1904 to epoch time, i.e. Jan. 1, 1970.</span></div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keyword">const</span> uint64_t kIsomTimeOffset = 2082844800l;</div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">return</span> kIsomTimeOffset +</div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  (clock() ? clock()->Now() : base::Time::Now()).ToDoubleT();</div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> }</div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> </div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> } <span class="comment">// namespace mp4</span></div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span> } <span class="comment">// namespace media</span></div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> } <span class="comment">// namespace edash_packager</span></div>
|
|
<div class="ttc" id="structedash__packager_1_1media_1_1MuxerOptions_html_addd401a47b287f3c18cbdc4bfa1a6963"><div class="ttname"><a href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#addd401a47b287f3c18cbdc4bfa1a6963">edash_packager::media::MuxerOptions::output_file_name</a></div><div class="ttdeci">std::string output_file_name</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00055">muxer_options.h:55</a></div></div>
|
|
<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1MP4Muxer_html_ae787aeba358f95d73edf5b80d4fc43fe"><div class="ttname"><a href="../../d1/d78/classedash__packager_1_1media_1_1mp4_1_1MP4Muxer.html#ae787aeba358f95d73edf5b80d4fc43fe">edash_packager::media::mp4::MP4Muxer::MP4Muxer</a></div><div class="ttdeci">MP4Muxer(const MuxerOptions &options)</div><div class="ttdoc">Create a MP4Muxer object from MuxerOptions. </div><div class="ttdef"><b>Definition:</b> <a href="../../da/d88/mp4__muxer_8cc_source.html#l00089">mp4_muxer.cc:89</a></div></div>
|
|
<div class="ttc" id="classedash__packager_1_1media_1_1Status_html"><div class="ttname"><a href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">edash_packager::media::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d13/status_8h_source.html#l00075">status.h:75</a></div></div>
|
|
<div class="ttc" id="classedash__packager_1_1media_1_1MuxerListener_html_ac6ef1d524f12f21c6250653dbdbaca20"><div class="ttname"><a href="../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html#ac6ef1d524f12f21c6250653dbdbaca20">edash_packager::media::MuxerListener::OnMediaStart</a></div><div class="ttdeci">virtual void OnMediaStart(const MuxerOptions &muxer_options, const StreamInfo &stream_info, uint32_t time_scale, ContainerType container_type)=0</div></div>
|
|
<div class="ttc" id="classedash__packager_1_1media_1_1Muxer_html"><div class="ttname"><a href="../../d4/d1d/classedash__packager_1_1media_1_1Muxer.html">edash_packager::media::Muxer</a></div><div class="ttdef"><b>Definition:</b> <a href="../../db/df6/muxer_8h_source.html#l00033">muxer.h:33</a></div></div>
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<div class="ttc" id="structedash__packager_1_1media_1_1MuxerOptions_html"><div class="ttname"><a href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html">edash_packager::media::MuxerOptions</a></div><div class="ttdoc">This structure contains the list of configuration options for Muxer. </div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00018">muxer_options.h:18</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1MuxerListener_html_a6e2a4029988230dbd7fc24b482ce1866"><div class="ttname"><a href="../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html#a6e2a4029988230dbd7fc24b482ce1866">edash_packager::media::MuxerListener::OnMediaEnd</a></div><div class="ttdeci">virtual void OnMediaEnd(bool has_init_range, uint64_t init_range_start, uint64_t init_range_end, bool has_index_range, uint64_t index_range_start, uint64_t index_range_end, float duration_seconds, uint64_t file_size)=0</div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1File_html_a239a76adb5ff5c5340c58f96d7034ec6"><div class="ttname"><a href="../../de/d19/classedash__packager_1_1media_1_1File.html#a239a76adb5ff5c5340c58f96d7034ec6">edash_packager::media::File::GetFileSize</a></div><div class="ttdeci">static int64_t GetFileSize(const char *file_name)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/dfc/file_8cc_source.html#l00175">file.cc:175</a></div></div>
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