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<div class="title">key_rotation_fragmenter.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/key_rotation_fragmenter.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/media/base/aes_encryptor.h"</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "packager/media/formats/mp4/box_definitions.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="keyword">namespace </span>edash_packager {</div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">namespace </span>mp4 {</div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> kInitialEncryptionInfo = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div>
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<div class="line"><a name="l00020"></a><span class="lineno"><a class="line" href="../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html#a970fbc82214256788fbcf76809de2488"> 20</a></span> <a class="code" href="../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html#a970fbc82214256788fbcf76809de2488">KeyRotationFragmenter::KeyRotationFragmenter</a>(<a class="code" href="../../dd/da2/structedash__packager_1_1media_1_1mp4_1_1MovieFragment.html">MovieFragment</a>* moof,</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <a class="code" href="../../d4/dd9/structedash__packager_1_1media_1_1mp4_1_1TrackFragment.html">TrackFragment</a>* traf,</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</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="l00023"></a><span class="lineno"> 23</span>  KeySource::TrackType track_type,</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  int64_t crypto_period_duration,</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  int64_t clear_time,</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  VideoCodec video_codec,</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  uint8_t nalu_length_size,</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</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="l00029"></a><span class="lineno"> 29</span>  : <a class="code" href="../../d8/d1e/classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter.html">EncryptingFragmenter</a>(traf,</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  scoped_ptr<<a class="code" href="../../d0/d86/structedash__packager_1_1media_1_1EncryptionKey.html">EncryptionKey</a>>(new <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="l00031"></a><span class="lineno"> 31</span>  clear_time,</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  video_codec,</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  nalu_length_size),</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  moof_(moof),</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  encryption_key_source_(encryption_key_source),</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  track_type_(track_type),</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  crypto_period_duration_(crypto_period_duration),</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  prev_crypto_period_index_(-1),</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  muxer_listener_(muxer_listener) {</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  DCHECK(moof);</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  DCHECK(encryption_key_source);</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> </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> KeyRotationFragmenter::~KeyRotationFragmenter() {}</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
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<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html#a8c526a2a3f0555be9030f87ef1015bd8"> 46</a></span> <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> <a class="code" href="../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html#a8c526a2a3f0555be9030f87ef1015bd8">KeyRotationFragmenter::PrepareFragmentForEncryption</a>(</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordtype">bool</span> enable_encryption) {</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">bool</span> need_to_refresh_encryptor = !encryptor();</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>  <span class="keywordtype">size_t</span> current_crypto_period_index =</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  traf()->decode_time.decode_time / crypto_period_duration_;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">if</span> (current_crypto_period_index != prev_crypto_period_index_) {</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</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="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> status = encryption_key_source_-><a class="code" href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html#a349381b866a37df15a931980636621ac">GetCryptoPeriodKey</a>(</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  current_crypto_period_index, track_type_, encryption_key.get());</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">if</span> (!status.ok())</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">return</span> status;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  set_encryption_key(encryption_key.Pass());</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  prev_crypto_period_index_ = current_crypto_period_index;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  need_to_refresh_encryptor = <span class="keyword">true</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> </div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// One and only one 'pssh' box is needed.</span></div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> (moof_->pssh.empty())</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  moof_->pssh.resize(1);</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  DCHECK(encryption_key());</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  moof_->pssh[0].raw_box = encryption_key()->pssh;</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>  <span class="keywordflow">if</span> (muxer_listener_) {</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  muxer_listener_->OnEncryptionInfoReady(</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  !kInitialEncryptionInfo,</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  encryption_key_source_-><a class="code" href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html#afbb7d084395a1426eb0143ae8357b2fc">UUID</a>(), encryption_key_source_-><a class="code" href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html#aa73dacef997e7700b8669bb2db5f8f31">SystemName</a>(),</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  encryption_key()->key_id, encryption_key()->pssh);</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// Skip the following steps if the current fragment is not going to be</span></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// encrypted. 'pssh' box needs to be included in the fragment, which is</span></div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// performed above, regardless of whether the fragment is encrypted. This is</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// necessary for two reasons: 1) Requesting keys before reaching encrypted</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// content avoids playback delay due to license requests; 2) In Chrome, CDM</span></div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// must be initialized before starting the playback and CDM can only be</span></div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">// initialized with a valid 'pssh'.</span></div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">if</span> (!enable_encryption) {</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  DCHECK(!encryptor());</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">if</span> (need_to_refresh_encryptor) {</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> status = <a class="code" href="../../d8/d1e/classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter.html#a5ed5486f22438e20d0d41524a47f4dd3">CreateEncryptor</a>();</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span> (!status.ok())</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> status;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  DCHECK(encryptor());</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>  <span class="comment">// Key rotation happens in fragment boundary only in this implementation,</span></div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">// i.e. there is at most one key for the fragment. So there should be only</span></div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">// one entry in SampleGroupDescription box and one entry in SampleToGroup box.</span></div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">// Fill in SampleGroupDescription box information.</span></div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  traf()->sample_group_description.grouping_type = FOURCC_SEIG;</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  traf()->sample_group_description.entries.resize(1);</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  traf()->sample_group_description.entries[0].is_encrypted = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  traf()->sample_group_description.entries[0].iv_size =</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  encryptor()->iv().size();</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  traf()->sample_group_description.entries[0].key_id = encryption_key()->key_id;</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>  <span class="comment">// Fill in SampleToGroup box information.</span></div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  traf()->sample_to_group.grouping_type = FOURCC_SEIG;</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  traf()->sample_to_group.entries.resize(1);</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// sample_count is adjusted in |FinalizeFragment| later.</span></div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  traf()->sample_to_group.entries[0].group_description_index =</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  SampleToGroupEntry::kTrackFragmentGroupDescriptionIndexBase + 1;</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>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</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"><a class="line" href="../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html#a9a89e103f4bcb483d882e5dc62060cdc"> 116</a></span> <span class="keywordtype">void</span> <a class="code" href="../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html#a9a89e103f4bcb483d882e5dc62060cdc">KeyRotationFragmenter::FinalizeFragmentForEncryption</a>() {</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <a class="code" href="../../d8/d1e/classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter.html#a0184deccbe7e99ea7a685cf0de2f9156">EncryptingFragmenter::FinalizeFragmentForEncryption</a>();</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  DCHECK_EQ(1u, traf()->sample_to_group.entries.size());</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  traf()->sample_to_group.entries[0].sample_count =</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  traf()->auxiliary_size.sample_count;</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> }</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> } <span class="comment">// namespace mp4</span></div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> } <span class="comment">// namespace edash_packager</span></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1KeySource_html_a349381b866a37df15a931980636621ac"><div class="ttname"><a href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html#a349381b866a37df15a931980636621ac">edash_packager::media::KeySource::GetCryptoPeriodKey</a></div><div class="ttdeci">virtual Status GetCryptoPeriodKey(uint32_t crypto_period_index, TrackType track_type, EncryptionKey *key)</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/dd6/key__source_8cc_source.html#l00066">key_source.cc:66</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter_html_a9a89e103f4bcb483d882e5dc62060cdc"><div class="ttname"><a href="../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html#a9a89e103f4bcb483d882e5dc62060cdc">edash_packager::media::mp4::KeyRotationFragmenter::FinalizeFragmentForEncryption</a></div><div class="ttdeci">void FinalizeFragmentForEncryption() override</div><div class="ttdoc">Finalize current fragment for encryption. </div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d15/key__rotation__fragmenter_8cc_source.html#l00116">key_rotation_fragmenter.cc:116</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#l00018">key_source.h:18</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter_html_a5ed5486f22438e20d0d41524a47f4dd3"><div class="ttname"><a href="../../d8/d1e/classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter.html#a5ed5486f22438e20d0d41524a47f4dd3">edash_packager::media::mp4::EncryptingFragmenter::CreateEncryptor</a></div><div class="ttdeci">Status CreateEncryptor()</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d41/encrypting__fragmenter_8cc_source.html#l00126">encrypting_fragmenter.cc:126</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#l00023">encrypting_fragmenter.h:23</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_1KeyRotationFragmenter_html_a8c526a2a3f0555be9030f87ef1015bd8"><div class="ttname"><a href="../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html#a8c526a2a3f0555be9030f87ef1015bd8">edash_packager::media::mp4::KeyRotationFragmenter::PrepareFragmentForEncryption</a></div><div class="ttdeci">Status PrepareFragmentForEncryption(bool enable_encryption) override</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d15/key__rotation__fragmenter_8cc_source.html#l00046">key_rotation_fragmenter.cc:46</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1KeySource_html_afbb7d084395a1426eb0143ae8357b2fc"><div class="ttname"><a href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html#afbb7d084395a1426eb0143ae8357b2fc">edash_packager::media::KeySource::UUID</a></div><div class="ttdeci">virtual std::string UUID()</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/dd6/key__source_8cc_source.html#l00092">key_source.cc:92</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#l00029">muxer_listener.h:29</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#l00029">key_source.h:29</a></div></div>
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<div class="ttc" id="structedash__packager_1_1media_1_1mp4_1_1MovieFragment_html"><div class="ttname"><a href="../../dd/da2/structedash__packager_1_1media_1_1mp4_1_1MovieFragment.html">edash_packager::media::mp4::MovieFragment</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d7b/box__definitions_8h_source.html#l00637">box_definitions.h:637</a></div></div>
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<div class="ttc" id="structedash__packager_1_1media_1_1mp4_1_1TrackFragment_html"><div class="ttname"><a href="../../d4/dd9/structedash__packager_1_1media_1_1mp4_1_1TrackFragment.html">edash_packager::media::mp4::TrackFragment</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d7b/box__definitions_8h_source.html#l00623">box_definitions.h:623</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter_html_a970fbc82214256788fbcf76809de2488"><div class="ttname"><a href="../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html#a970fbc82214256788fbcf76809de2488">edash_packager::media::mp4::KeyRotationFragmenter::KeyRotationFragmenter</a></div><div class="ttdeci">KeyRotationFragmenter(MovieFragment *moof, TrackFragment *traf, KeySource *encryption_key_source, KeySource::TrackType track_type, int64_t crypto_period_duration, int64_t clear_time, VideoCodec video_codec, uint8_t nalu_length_size, MuxerListener *muxer_listener)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d15/key__rotation__fragmenter_8cc_source.html#l00020">key_rotation_fragmenter.cc:20</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1KeySource_html_aa73dacef997e7700b8669bb2db5f8f31"><div class="ttname"><a href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html#aa73dacef997e7700b8669bb2db5f8f31">edash_packager::media::KeySource::SystemName</a></div><div class="ttdeci">virtual std::string SystemName()</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/dd6/key__source_8cc_source.html#l00096">key_source.cc:96</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter_html_a0184deccbe7e99ea7a685cf0de2f9156"><div class="ttname"><a href="../../d8/d1e/classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter.html#a0184deccbe7e99ea7a685cf0de2f9156">edash_packager::media::mp4::EncryptingFragmenter::FinalizeFragmentForEncryption</a></div><div class="ttdeci">virtual void FinalizeFragmentForEncryption()</div><div class="ttdoc">Finalize current fragment for encryption. </div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d41/encrypting__fragmenter_8cc_source.html#l00105">encrypting_fragmenter.cc:105</a></div></div>
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</div><!-- fragment --></div><!-- contents -->
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<!-- start footer part -->
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Generated on Thu Jan 7 2016 19:23:43 for DASH Media Packaging SDK by  <a href="http://www.doxygen.org/index.html">
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</a> 1.8.6
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