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<div class="title">segmenter.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/segmenter.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/stl_util.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/buffer_writer.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/key_source.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/media_sample.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "packager/media/base/media_stream.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/muxer_options.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/event/progress_listener.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/key_rotation_fragmenter.h"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">namespace </span>edash_packager {</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span>mp4 {</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">namespace </span>{</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="comment">// Generate 64bit IV by default.</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> kDefaultIvSize = 8u;</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> kCencKeyIdSize = 16u;</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// The version of cenc implemented here. CENC 4.</span></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">int</span> kCencSchemeVersion = 0x00010000;</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">// The default KID for key rotation is all 0s.</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">const</span> uint8_t kKeyRotationDefaultKeyId[] = {</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  0, 0, 0, 0, 0, 0, 0, 0,</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  0, 0, 0, 0, 0, 0, 0, 0</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> };</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> COMPILE_ASSERT(arraysize(kKeyRotationDefaultKeyId) == kCencKeyIdSize,</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  cenc_key_id_must_be_size_16);</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> uint64_t Rescale(uint64_t time_in_old_scale,</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  uint32_t old_scale,</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  uint32_t new_scale) {</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(time_in_old_scale) / old_scale * new_scale;</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> <span class="keywordtype">void</span> GenerateSinf(<span class="keyword">const</span> EncryptionKey& encryption_key,</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  FourCC old_type,</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  EncryptionMode encryption_mode,</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  ProtectionSchemeInfo* sinf) {</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  sinf->format.format = old_type;</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">if</span> (encryption_mode == kEncryptionModeAesCtr){</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  sinf->type.type = FOURCC_CENC;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (encryption_mode == kEncryptionModeAesCbc) {</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  sinf->type.type = FOURCC_CBC1;</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> </div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  sinf->type.version = kCencSchemeVersion;</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  sinf->info.track_encryption.is_encrypted = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  sinf->info.track_encryption.default_iv_size =</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  encryption_key.iv.empty() ? kDefaultIvSize : encryption_key.iv.size();</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  sinf->info.track_encryption.default_kid = encryption_key.key_id;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</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> <span class="keywordtype">void</span> GenerateEncryptedSampleEntry(<span class="keyword">const</span> EncryptionKey& encryption_key,</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">double</span> clear_lead_in_seconds,</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  EncryptionMode encryption_mode,</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  SampleDescription* description) {</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  DCHECK(description);</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">if</span> (description->type == kVideo) {</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  DCHECK_EQ(1u, description->video_entries.size());</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// Add a second entry for clear content if needed.</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">if</span> (clear_lead_in_seconds > 0)</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  description->video_entries.push_back(description->video_entries[0]);</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">// Convert the first entry to an encrypted entry.</span></div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  VideoSampleEntry& entry = description->video_entries[0];</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  GenerateSinf(encryption_key, entry.format, encryption_mode, &entry.sinf);</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  entry.format = FOURCC_ENCV;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  DCHECK_EQ(kAudio, description->type);</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  DCHECK_EQ(1u, description->audio_entries.size());</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// Add a second entry for clear content if needed.</span></div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span> (clear_lead_in_seconds > 0)</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  description->audio_entries.push_back(description->audio_entries[0]);</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// Convert the first entry to an encrypted entry.</span></div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  AudioSampleEntry& entry = description->audio_entries[0];</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  GenerateSinf(encryption_key, entry.format, encryption_mode, &entry.sinf);</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  entry.format = FOURCC_ENCA;</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> }</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> KeySource::TrackType GetTrackTypeForEncryption(<span class="keyword">const</span> StreamInfo& stream_info,</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  uint32_t max_sd_pixels) {</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">if</span> (stream_info.stream_type() == kStreamAudio)</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">return</span> KeySource::TRACK_TYPE_AUDIO;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  DCHECK_EQ(kStreamVideo, stream_info.stream_type());</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">const</span> VideoStreamInfo& video_stream_info =</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">static_cast<</span><span class="keyword">const </span>VideoStreamInfo&<span class="keyword">></span>(stream_info);</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  uint32_t pixels = video_stream_info.width() * video_stream_info.height();</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">return</span> (pixels > max_sd_pixels) ? KeySource::TRACK_TYPE_HD</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  : KeySource::TRACK_TYPE_SD;</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> }</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> Segmenter::Segmenter(<span class="keyword">const</span> MuxerOptions& options,</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  scoped_ptr<FileType> ftyp,</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  scoped_ptr<Movie> moov)</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  : options_(options),</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  ftyp_(ftyp.Pass()),</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  moov_(moov.Pass()),</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  moof_(new MovieFragment()),</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  fragment_buffer_(new BufferWriter()),</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  sidx_(new SegmentIndex()),</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  muxer_listener_(NULL),</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  progress_listener_(NULL),</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  progress_target_(0),</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  accumulated_progress_(0),</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  sample_duration_(0u) {}</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> Segmenter::~Segmenter() { STLDeleteElements(&fragmenters_); }</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div>
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<div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#ae35266f50e16bef0443aa909223bd3d1"> 133</a></span> <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> <a class="code" href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#a5918dc2431560b2ae816c0840ddf7728">Segmenter::Initialize</a>(<span class="keyword">const</span> std::vector<MediaStream*>& streams,</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <a class="code" href="../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html">MuxerListener</a>* muxer_listener,</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="../../d9/d2c/classedash__packager_1_1media_1_1ProgressListener.html">ProgressListener</a>* progress_listener,</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <a class="code" href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html">KeySource</a>* encryption_key_source,</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  uint32_t max_sd_pixels,</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordtype">double</span> clear_lead_in_seconds,</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordtype">double</span> crypto_period_duration_in_seconds,</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  EncryptionMode encryption_mode) {</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  DCHECK_LT(0u, streams.size());</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  muxer_listener_ = muxer_listener;</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  progress_listener_ = progress_listener;</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  moof_->header.sequence_number = 0;</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  moof_->tracks.resize(streams.size());</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  segment_durations_.resize(streams.size());</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  fragmenters_.resize(streams.size());</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> key_rotation_enabled = crypto_period_duration_in_seconds != 0;</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> kInitialEncryptionInfo = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">for</span> (uint32_t i = 0; i < streams.size(); ++i) {</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  stream_map_[streams[i]] = i;</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  moof_->tracks[i].header.track_id = i + 1;</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">if</span> (streams[i]->info()->stream_type() == kStreamVideo) {</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="comment">// Use the first video stream as the reference stream (which is 1-based).</span></div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> (sidx_->reference_id == 0)</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  sidx_->reference_id = i + 1;</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">if</span> (!encryption_key_source) {</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  fragmenters_[i] = <span class="keyword">new</span> <a class="code" href="../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html">Fragmenter</a>(&moof_->tracks[i]);</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  KeySource::TrackType track_type =</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  GetTrackTypeForEncryption(*streams[i]->info(), max_sd_pixels);</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="../../d3/d74/structedash__packager_1_1media_1_1mp4_1_1SampleDescription.html">SampleDescription</a>& description =</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  moov_->tracks[i].media.information.sample_table.description;</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (key_rotation_enabled) {</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="comment">// Fill encrypted sample entry with default key.</span></div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <a class="code" href="../../d0/d86/structedash__packager_1_1media_1_1EncryptionKey.html">EncryptionKey</a> encryption_key;</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  encryption_key.key_id.assign(</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  kKeyRotationDefaultKeyId,</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  kKeyRotationDefaultKeyId + arraysize(kKeyRotationDefaultKeyId));</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  GenerateEncryptedSampleEntry(encryption_key, clear_lead_in_seconds,</div>
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|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  encryption_mode, &description);</div>
|
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">if</span> (muxer_listener_) {</div>
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|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  muxer_listener_->OnEncryptionInfoReady(</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  kInitialEncryptionInfo, encryption_key.key_id,</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  encryption_key.key_system_info);</div>
|
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  fragmenters_[i] = <span class="keyword">new</span> <a class="code" href="../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html">KeyRotationFragmenter</a>(</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  moof_.get(), streams[i]->info(), &moof_->tracks[i],</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  encryption_key_source, track_type,</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  crypto_period_duration_in_seconds * streams[i]->info()->time_scale(),</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  clear_lead_in_seconds * streams[i]->info()->time_scale(),</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  muxer_listener_, encryption_mode);</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  }</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  scoped_ptr<EncryptionKey> encryption_key(<span class="keyword">new</span> <a class="code" href="../../d0/d86/structedash__packager_1_1media_1_1EncryptionKey.html">EncryptionKey</a>());</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> status =</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  encryption_key_source-><a class="code" href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html#ae1000d8809b293738dca06c1a5f916bf">GetKey</a>(track_type, encryption_key.get());</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">if</span> (!status.ok())</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">return</span> status;</div>
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<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>  GenerateEncryptedSampleEntry(*encryption_key, clear_lead_in_seconds,</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  encryption_mode, &description);</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">if</span> (moov_->pssh.empty()) {</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  moov_->pssh.resize(encryption_key->key_system_info.size());</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < encryption_key->key_system_info.size(); i++) {</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  moov_->pssh[i].raw_box = encryption_key->key_system_info[i].CreateBox();</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>  <span class="keywordflow">if</span> (muxer_listener_) {</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  muxer_listener_->OnEncryptionInfoReady(kInitialEncryptionInfo,</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  encryption_key->key_id,</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  encryption_key->key_system_info);</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> </div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  fragmenters_[i] = <span class="keyword">new</span> <a class="code" href="../../d8/d1e/classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter.html">EncryptingFragmenter</a>(</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  streams[i]->info(), &moof_->tracks[i], encryption_key.Pass(),</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  clear_lead_in_seconds * streams[i]->info()->time_scale(),</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  encryption_mode);</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> </div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// Choose the first stream if there is no VIDEO.</span></div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">if</span> (sidx_->reference_id == 0)</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  sidx_->reference_id = 1;</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  sidx_->timescale = streams[GetReferenceStreamId()]->info()->time_scale();</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="comment">// Use media duration as progress target.</span></div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  progress_target_ = streams[GetReferenceStreamId()]->info()->duration();</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="comment">// Use the reference stream's time scale as movie time scale.</span></div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  moov_->header.timescale = sidx_->timescale;</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  moof_->header.sequence_number = 1;</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>  <span class="comment">// Fill in version information.</span></div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  moov_->metadata.handler.handler_type = FOURCC_ID32;</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  moov_->metadata.id3v2.language.code = <span class="stringliteral">"eng"</span>;</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  moov_->metadata.id3v2.private_frame.owner =</div>
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|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="stringliteral">"https://github.com/google/edash-packager"</span>;</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  moov_->metadata.id3v2.private_frame.value = options_.<a class="code" href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#a71efefea31d61d439c1d09a6563e8948">packager_version_string</a>;</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">return</span> DoInitialize();</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> }</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> </div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"><a class="line" href="../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#ad1136a3e7c2e796267fbd3879d108c2a"> 242</a></span> <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> <a class="code" href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#aaa092bb01c45c1d7ec84a8f370978bbb">Segmenter::Finalize</a>() {</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">for</span> (std::vector<Fragmenter*>::iterator it = fragmenters_.begin();</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  it != fragmenters_.end();</div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  ++it) {</div>
|
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> status = FinalizeFragment(<span class="keyword">true</span>, *it);</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">if</span> (!status.ok())</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">return</span> status;</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  }</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>  <span class="comment">// Set tracks and moov durations.</span></div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="comment">// Note that the updated moov box will be written to output file for VOD case</span></div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="comment">// only.</span></div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">for</span> (std::vector<Track>::iterator track = moov_->tracks.begin();</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  track != moov_->tracks.end();</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  ++track) {</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  track->header.duration = Rescale(track->media.header.duration,</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  track->media.header.timescale,</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  moov_->header.timescale);</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">if</span> (track->header.duration > moov_->header.duration)</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  moov_->header.duration = track->header.duration;</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  }</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  moov_->extends.header.fragment_duration = moov_->header.duration;</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">return</span> DoFinalize();</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> }</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> </div>
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<div class="line"><a name="l00268"></a><span class="lineno"><a class="line" href="../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#a5c21059ee9a533caec81491bdb751c57"> 268</a></span> <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> <a class="code" href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#aff9c729f9464540eafc6571d4a42df47">Segmenter::AddSample</a>(<span class="keyword">const</span> <a class="code" href="../../d2/dfd/classedash__packager_1_1media_1_1MediaStream.html">MediaStream</a>* stream,</div>
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|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  scoped_refptr<MediaSample> sample) {</div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="comment">// Find the fragmenter for this stream.</span></div>
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|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  DCHECK(stream);</div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  DCHECK(stream_map_.find(stream) != stream_map_.end());</div>
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|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  uint32_t stream_id = stream_map_[stream];</div>
|
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <a class="code" href="../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html">Fragmenter</a>* fragmenter = fragmenters_[stream_id];</div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> </div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="comment">// Set default sample duration if it has not been set yet.</span></div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">if</span> (moov_->extends.tracks[stream_id].default_sample_duration == 0) {</div>
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|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  moov_->extends.tracks[stream_id].default_sample_duration =</div>
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|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  sample->duration();</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  }</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> </div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">if</span> (fragmenter->fragment_finalized()) {</div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a>(error::FRAGMENT_FINALIZED,</div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="stringliteral">"Current fragment is finalized already."</span>);</div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  }</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordtype">bool</span> finalize_fragment = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordflow">if</span> (fragmenter->fragment_duration() >=</div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  options_.<a class="code" href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#a1754599c00fdf4c474d3072abf71c1de">fragment_duration</a> * stream->info()->time_scale()) {</div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">if</span> (sample->is_key_frame() || !options_.<a class="code" href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#ab70f1d41f9556fa793ec638762d1c584">fragment_sap_aligned</a>) {</div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  finalize_fragment = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  }</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>  <span class="keywordtype">bool</span> finalize_segment = <span class="keyword">false</span>;</div>
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|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">if</span> (segment_durations_[stream_id] >=</div>
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|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  options_.<a class="code" href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#ad6f281dfd832bd073f5fb5fc46342f9f">segment_duration</a> * stream->info()->time_scale()) {</div>
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|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">if</span> (sample->is_key_frame() || !options_.<a class="code" href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#af0403298bf08392bb3009061cd8de2b0">segment_sap_aligned</a>) {</div>
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|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  finalize_segment = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  finalize_fragment = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  }</div>
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</div>
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<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div>
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<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> status;</div>
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|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">if</span> (finalize_fragment) {</div>
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|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  status = FinalizeFragment(finalize_segment, fragmenter);</div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">if</span> (!status.ok())</div>
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|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">return</span> status;</div>
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|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  }</div>
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<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div>
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|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  status = fragmenter-><a class="code" href="../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#a81d8b1f324bdd2bc9cc2e5a469243926">AddSample</a>(sample);</div>
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|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordflow">if</span> (!status.ok())</div>
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|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">return</span> status;</div>
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> </div>
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<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordflow">if</span> (sample_duration_ == 0)</div>
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|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  sample_duration_ = sample->duration();</div>
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<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  moov_->tracks[stream_id].media.header.duration += sample->duration();</div>
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|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  segment_durations_[stream_id] += sample->duration();</div>
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|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  DCHECK_GE(segment_durations_[stream_id], fragmenter->fragment_duration());</div>
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|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">return</span> Status::OK;</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> }</div>
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div>
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<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> uint32_t Segmenter::GetReferenceTimeScale()<span class="keyword"> const </span>{</div>
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|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">return</span> moov_->header.timescale;</div>
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|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> }</div>
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|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> </div>
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|
<div class="line"><a name="l00326"></a><span class="lineno"><a class="line" href="../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#a0e5e570d5f82c796ba015ca06c7a676c"> 326</a></span> <span class="keywordtype">double</span> <a class="code" href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#a6ec4149813741e894a9c5083eaf99689">Segmenter::GetDuration</a>()<span class="keyword"> const </span>{</div>
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|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">if</span> (moov_->header.timescale == 0) {</div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="comment">// Handling the case where this is not properly initialized.</span></div>
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|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordflow">return</span> 0.0;</div>
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<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  }</div>
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<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> </div>
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(moov_->header.duration) / moov_->header.timescale;</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> }</div>
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<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> </div>
|
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<div class="line"><a name="l00335"></a><span class="lineno"><a class="line" href="../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#a287d51571c92704274550d9f1d246cf9"> 335</a></span> <span class="keywordtype">void</span> <a class="code" href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#af7abae8ef77450c272f6ca6ce98df361">Segmenter::UpdateProgress</a>(uint64_t progress) {</div>
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|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  accumulated_progress_ += progress;</div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> </div>
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<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">if</span> (!progress_listener_) <span class="keywordflow">return</span>;</div>
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|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">if</span> (progress_target_ == 0) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="comment">// It might happen that accumulated progress exceeds progress_target due to</span></div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="comment">// computation errors, e.g. rounding error. Cap it so it never reports > 100%</span></div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="comment">// progress.</span></div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordflow">if</span> (accumulated_progress_ >= progress_target_) {</div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  progress_listener_-><a class="code" href="../../d9/d2c/classedash__packager_1_1media_1_1ProgressListener.html#a2e30994077f8798d56f61ee20fd9a776">OnProgress</a>(1.0);</div>
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|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  progress_listener_-><a class="code" href="../../d9/d2c/classedash__packager_1_1media_1_1ProgressListener.html#a2e30994077f8798d56f61ee20fd9a776">OnProgress</a>(static_cast<double>(accumulated_progress_) /</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  progress_target_);</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> }</div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> </div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"><a class="line" href="../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#a4e58a007d4daafe1b49a70d39e52e339"> 351</a></span> <span class="keywordtype">void</span> Segmenter::SetComplete() {</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">if</span> (!progress_listener_) <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  progress_listener_-><a class="code" href="../../d9/d2c/classedash__packager_1_1media_1_1ProgressListener.html#a2e30994077f8798d56f61ee20fd9a776">OnProgress</a>(1.0);</div>
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|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> }</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span> </div>
|
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<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> Segmenter::FinalizeSegment() {</div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> status = DoFinalizeSegment();</div>
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|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> </div>
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="comment">// Reset segment information to initial state.</span></div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  sidx_->references.clear();</div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  std::vector<uint64_t>::iterator it = segment_durations_.begin();</div>
|
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">for</span> (; it != segment_durations_.end(); ++it)</div>
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  *it = 0;</div>
|
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<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> </div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordflow">return</span> status;</div>
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|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> }</div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span> </div>
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|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span> uint32_t Segmenter::GetReferenceStreamId() {</div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  DCHECK(sidx_);</div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">return</span> sidx_->reference_id - 1;</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span> }</div>
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|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> </div>
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<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> Status Segmenter::FinalizeFragment(<span class="keywordtype">bool</span> finalize_segment,</div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  Fragmenter* fragmenter) {</div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  fragmenter->FinalizeFragment();</div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> </div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="comment">// Check if all tracks are ready for fragmentation.</span></div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">for</span> (std::vector<Fragmenter*>::iterator it = fragmenters_.begin();</div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  it != fragmenters_.end();</div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  ++it) {</div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">if</span> (!(*it)->fragment_finalized())</div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">return</span> Status::OK;</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> </div>
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  MediaData mdat;</div>
|
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="comment">// Data offset relative to 'moof': moof size + mdat header size.</span></div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="comment">// The code will also update box sizes for moof_ and its child boxes.</span></div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  uint64_t data_offset = moof_->ComputeSize() + mdat.HeaderSize();</div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="comment">// 'traf' should follow 'mfhd' moof header box.</span></div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  uint64_t next_traf_position = moof_->HeaderSize() + moof_->header.box_size();</div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < moof_->tracks.size(); ++i) {</div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  TrackFragment& traf = moof_->tracks[i];</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keywordflow">if</span> (traf.auxiliary_offset.offsets.size() > 0) {</div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  DCHECK_EQ(traf.auxiliary_offset.offsets.size(), 1u);</div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  DCHECK(!traf.sample_encryption.sample_encryption_entries.empty());</div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span> </div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  next_traf_position += traf.box_size();</div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="comment">// SampleEncryption 'senc' box should be the last box in 'traf'.</span></div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="comment">// |auxiliary_offset| should point to the data of SampleEncryption.</span></div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  traf.auxiliary_offset.offsets[0] =</div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  next_traf_position - traf.sample_encryption.box_size() +</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  traf.sample_encryption.HeaderSize() +</div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keyword">sizeof</span>(uint32_t); <span class="comment">// for sample count field in 'senc'</span></div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  }</div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  traf.runs[0].data_offset = data_offset + mdat.data_size;</div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  mdat.data_size += fragmenters_[i]->data()->Size();</div>
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<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  }</div>
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<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> </div>
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<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="comment">// Generate segment reference.</span></div>
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<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  sidx_->references.resize(sidx_->references.size() + 1);</div>
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<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  fragmenters_[GetReferenceStreamId()]->GenerateSegmentReference(</div>
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<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  &sidx_->references[sidx_->references.size() - 1]);</div>
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<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  sidx_->references[sidx_->references.size() - 1].referenced_size =</div>
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<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  data_offset + mdat.data_size;</div>
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<div class="line"><a name="l00415"></a><span class="lineno"> 415</span> </div>
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<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="comment">// Write the fragment to buffer.</span></div>
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<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  moof_->Write(fragment_buffer_.get());</div>
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<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  mdat.WriteHeader(fragment_buffer_.get());</div>
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<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keywordflow">for</span> (Fragmenter* fragmenter : fragmenters_)</div>
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<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  fragment_buffer_->AppendBuffer(*fragmenter->data());</div>
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<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> </div>
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<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="comment">// Increase sequence_number for next fragment.</span></div>
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<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  ++moof_->header.sequence_number;</div>
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<div class="line"><a name="l00424"></a><span class="lineno"> 424</span> </div>
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<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">if</span> (finalize_segment)</div>
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<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">return</span> FinalizeSegment();</div>
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<div class="line"><a name="l00427"></a><span class="lineno"> 427</span> </div>
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<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> }</div>
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<div class="line"><a name="l00430"></a><span class="lineno"> 430</span> </div>
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<div class="line"><a name="l00431"></a><span class="lineno"> 431</span> } <span class="comment">// namespace mp4</span></div>
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<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00433"></a><span class="lineno"> 433</span> } <span class="comment">// namespace edash_packager</span></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1webm_1_1Segmenter_html_a6ec4149813741e894a9c5083eaf99689"><div class="ttname"><a href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#a6ec4149813741e894a9c5083eaf99689">edash_packager::media::webm::Segmenter::GetDuration</a></div><div class="ttdeci">float GetDuration() const </div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d53/webm_2segmenter_8cc_source.html#l00182">segmenter.cc:182</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1Fragmenter_html"><div class="ttname"><a href="../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html">edash_packager::media::mp4::Fragmenter</a></div><div class="ttdef"><b>Definition:</b> <a href="../../da/dd1/fragmenter_8h_source.html#l00030">fragmenter.h:30</a></div></div>
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<div class="ttc" id="structedash__packager_1_1media_1_1mp4_1_1SampleDescription_html"><div class="ttname"><a href="../../d3/d74/structedash__packager_1_1media_1_1mp4_1_1SampleDescription.html">edash_packager::media::mp4::SampleDescription</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d7b/box__definitions_8h_source.html#l00368">box_definitions.h:368</a></div></div>
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<div class="ttc" id="structedash__packager_1_1media_1_1MuxerOptions_html_a1754599c00fdf4c474d3072abf71c1de"><div class="ttname"><a href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#a1754599c00fdf4c474d3072abf71c1de">edash_packager::media::MuxerOptions::fragment_duration</a></div><div class="ttdeci">double fragment_duration</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00034">muxer_options.h:34</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1KeySource_html_ae1000d8809b293738dca06c1a5f916bf"><div class="ttname"><a href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html#ae1000d8809b293738dca06c1a5f916bf">edash_packager::media::KeySource::GetKey</a></div><div class="ttdeci">virtual Status GetKey(TrackType track_type, EncryptionKey *key)=0</div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1webm_1_1Segmenter_html_a5918dc2431560b2ae816c0840ddf7728"><div class="ttname"><a href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#a5918dc2431560b2ae816c0840ddf7728">edash_packager::media::webm::Segmenter::Initialize</a></div><div class="ttdeci">Status Initialize(scoped_ptr< MkvWriter > writer, StreamInfo *info, ProgressListener *progress_listener, MuxerListener *muxer_listener, KeySource *encryption_key_source, uint32_t max_sd_pixels, double clear_lead_in_seconds)</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d53/webm_2segmenter_8cc_source.html#l00046">segmenter.cc:46</a></div></div>
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<div class="ttc" id="structedash__packager_1_1media_1_1MuxerOptions_html_ab70f1d41f9556fa793ec638762d1c584"><div class="ttname"><a href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#ab70f1d41f9556fa793ec638762d1c584">edash_packager::media::MuxerOptions::fragment_sap_aligned</a></div><div class="ttdeci">bool fragment_sap_aligned</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00043">muxer_options.h:43</a></div></div>
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<div class="ttc" id="structedash__packager_1_1media_1_1EncryptionKey_html"><div class="ttname"><a href="../../d0/d86/structedash__packager_1_1media_1_1EncryptionKey.html">edash_packager::media::EncryptionKey</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d3f/key__source_8h_source.html#l00020">key_source.h:20</a></div></div>
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<div class="ttc" id="structedash__packager_1_1media_1_1MuxerOptions_html_a71efefea31d61d439c1d09a6563e8948"><div class="ttname"><a href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#a71efefea31d61d439c1d09a6563e8948">edash_packager::media::MuxerOptions::packager_version_string</a></div><div class="ttdeci">std::string packager_version_string</div><div class="ttdoc">Specify the version string to be embedded in the output files. </div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00071">muxer_options.h:71</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1ProgressListener_html"><div class="ttname"><a href="../../d9/d2c/classedash__packager_1_1media_1_1ProgressListener.html">edash_packager::media::ProgressListener</a></div><div class="ttdoc">This class listens to progress updates events. </div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d9d/progress__listener_8h_source.html#l00020">progress_listener.h:20</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter_html"><div class="ttname"><a href="../../d8/d1e/classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter.html">edash_packager::media::mp4::EncryptingFragmenter</a></div><div class="ttdoc">EncryptingFragmenter generates MP4 fragments with sample encrypted. </div><div class="ttdef"><b>Definition:</b> <a href="../../d1/dcb/encrypting__fragmenter_8h_source.html#l00027">encrypting_fragmenter.h:27</a></div></div>
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<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>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1Fragmenter_html_a81d8b1f324bdd2bc9cc2e5a469243926"><div class="ttname"><a href="../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#a81d8b1f324bdd2bc9cc2e5a469243926">edash_packager::media::mp4::Fragmenter::AddSample</a></div><div class="ttdeci">virtual Status AddSample(scoped_refptr< MediaSample > sample)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d9a/fragmenter_8cc_source.html#l00036">fragmenter.cc:36</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter_html"><div class="ttname"><a href="../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html">edash_packager::media::mp4::KeyRotationFragmenter</a></div><div class="ttdef"><b>Definition:</b> <a href="../../da/d22/key__rotation__fragmenter_8h_source.html#l00023">key_rotation_fragmenter.h:23</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1MuxerListener_html"><div class="ttname"><a href="../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html">edash_packager::media::MuxerListener</a></div><div class="ttdef"><b>Definition:</b> <a href="../../de/dfa/muxer__listener_8h_source.html#l00030">muxer_listener.h:30</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1KeySource_html"><div class="ttname"><a href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html">edash_packager::media::KeySource</a></div><div class="ttdoc">KeySource is responsible for encryption key acquisition. </div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d3f/key__source_8h_source.html#l00031">key_source.h:31</a></div></div>
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<div class="ttc" id="structedash__packager_1_1media_1_1MuxerOptions_html_af0403298bf08392bb3009061cd8de2b0"><div class="ttname"><a href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#af0403298bf08392bb3009061cd8de2b0">edash_packager::media::MuxerOptions::segment_sap_aligned</a></div><div class="ttdeci">bool segment_sap_aligned</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00038">muxer_options.h:38</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1ProgressListener_html_a2e30994077f8798d56f61ee20fd9a776"><div class="ttname"><a href="../../d9/d2c/classedash__packager_1_1media_1_1ProgressListener.html#a2e30994077f8798d56f61ee20fd9a776">edash_packager::media::ProgressListener::OnProgress</a></div><div class="ttdeci">virtual void OnProgress(double progress)=0</div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1webm_1_1Segmenter_html_af7abae8ef77450c272f6ca6ce98df361"><div class="ttname"><a href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#af7abae8ef77450c272f6ca6ce98df361">edash_packager::media::webm::Segmenter::UpdateProgress</a></div><div class="ttdeci">void UpdateProgress(uint64_t progress)</div><div class="ttdoc">Update segmentation progress using ProgressListener. </div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d53/webm_2segmenter_8cc_source.html#l00245">segmenter.cc:245</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1MediaStream_html"><div class="ttname"><a href="../../d2/dfd/classedash__packager_1_1media_1_1MediaStream.html">edash_packager::media::MediaStream</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d93/media__stream_8h_source.html#l00026">media_stream.h:26</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1webm_1_1Segmenter_html_aaa092bb01c45c1d7ec84a8f370978bbb"><div class="ttname"><a href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#aaa092bb01c45c1d7ec84a8f370978bbb">edash_packager::media::webm::Segmenter::Finalize</a></div><div class="ttdeci">Status Finalize()</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d53/webm_2segmenter_8cc_source.html#l00101">segmenter.cc:101</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1webm_1_1Segmenter_html_aff9c729f9464540eafc6571d4a42df47"><div class="ttname"><a href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#aff9c729f9464540eafc6571d4a42df47">edash_packager::media::webm::Segmenter::AddSample</a></div><div class="ttdeci">Status AddSample(scoped_refptr< MediaSample > sample)</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d53/webm_2segmenter_8cc_source.html#l00112">segmenter.cc:112</a></div></div>
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<div class="ttc" id="structedash__packager_1_1media_1_1MuxerOptions_html_ad6f281dfd832bd073f5fb5fc46342f9f"><div class="ttname"><a href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#ad6f281dfd832bd073f5fb5fc46342f9f">edash_packager::media::MuxerOptions::segment_duration</a></div><div class="ttdeci">double segment_duration</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00030">muxer_options.h:30</a></div></div>
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Generated on Thu Mar 31 2016 17:13:09 for DASH Media Packaging SDK by  <a href="http://www.doxygen.org/index.html">
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