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2018-05-23 23:12:00 +00:00
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2014 Google Inc. All rights reserved.</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// Use of this source code is governed by a BSD-style</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// license that can be found in the LICENSE file or at</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// https://developers.google.com/open-source/licenses/bsd</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/mp4/fragmenter.h&quot;</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;</div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &lt;limits&gt;</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/audio_stream_info.h&quot;</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/buffer_writer.h&quot;</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/media_sample.h&quot;</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/mp4/box_definitions.h&quot;</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/mp4/key_frame_info.h&quot;</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="keyword">namespace </span>media {</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="keyword">namespace </span>mp4 {</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="keyword">namespace </span>{</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="keyword">const</span> int64_t kInvalidTime = std::numeric_limits&lt;int64_t&gt;::max();</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;uint64_t GetSeekPreroll(<span class="keyword">const</span> StreamInfo&amp; stream_info) {</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <span class="keywordflow">if</span> (stream_info.stream_type() != kStreamAudio)</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; <span class="keyword">const</span> AudioStreamInfo&amp; audio_stream_info =</div><div class="line"><a name="l00029"></a><span class
<div class="ttc" id="structshaka_1_1media_1_1mp4_1_1SegmentReference_html"><div class="ttname"><a href="../../dd/d9b/structshaka_1_1media_1_1mp4_1_1SegmentReference.html">shaka::media::mp4::SegmentReference</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d7b/box__definitions_8h_source.html#l00748">box_definitions.h:748</a></div></div>
<div class="ttc" id="structshaka_1_1media_1_1mp4_1_1TrackFragment_html"><div class="ttname"><a href="../../df/d7b/structshaka_1_1media_1_1mp4_1_1TrackFragment.html">shaka::media::mp4::TrackFragment</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d7b/box__definitions_8h_source.html#l00726">box_definitions.h:726</a></div></div>
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<div class="ttc" id="namespacestd_html"><div class="ttname"><a href="../../d8/dcc/namespacestd.html">std</a></div><div class="ttdoc">STL namespace. </div></div>
<div class="ttc" id="namespaceshaka_html"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html">shaka</a></div><div class="ttdoc">All the methods that are virtual are virtual for mocking. </div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011">gflags_hex_bytes.cc:11</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1mp4_1_1Fragmenter_html_aa702c2af5ea5096d94f2943076a21e4a"><div class="ttname"><a href="../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html#aa702c2af5ea5096d94f2943076a21e4a">shaka::media::mp4::Fragmenter::InitializeFragment</a></div><div class="ttdeci">Status InitializeFragment(int64_t first_sample_dts)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d9a/fragmenter_8cc_source.html#l00123">fragmenter.cc:123</a></div></div>
<div class="ttc" id="classshaka_1_1Status_html"><div class="ttname"><a href="../../d2/d20/classshaka_1_1Status.html">shaka::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d13/status_8h_source.html#l00110">status.h:110</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1mp4_1_1Fragmenter_html_abbce724853d98b2ae1f92b504a24ce54"><div class="ttname"><a href="../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html#abbce724853d98b2ae1f92b504a24ce54">shaka::media::mp4::Fragmenter::GenerateSegmentReference</a></div><div class="ttdeci">void GenerateSegmentReference(SegmentReference *reference) const</div><div class="ttdoc">Fill reference with current fragment information. </div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d9a/fragmenter_8cc_source.html#l00230">fragmenter.cc:230</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1BufferWriter_html"><div class="ttname"><a href="../../dc/d41/classshaka_1_1media_1_1BufferWriter.html">shaka::media::BufferWriter</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/dd2/buffer__writer_8h_source.html#l00023">buffer_writer.h:23</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1mp4_1_1Fragmenter_html_a9ce106b464eba1449408ea74dc0e0628"><div class="ttname"><a href="../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html#a9ce106b464eba1449408ea74dc0e0628">shaka::media::mp4::Fragmenter::Fragmenter</a></div><div class="ttdeci">Fragmenter(std::shared_ptr&lt; const StreamInfo &gt; info, TrackFragment *traf)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d9a/fragmenter_8cc_source.html#l00049">fragmenter.cc:49</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1mp4_1_1Fragmenter_html_a993d83a58a8407d46279b3490723c5ca"><div class="ttname"><a href="../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html#a993d83a58a8407d46279b3490723c5ca">shaka::media::mp4::Fragmenter::AddSample</a></div><div class="ttdeci">Status AddSample(const MediaSample &amp;sample)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d9a/fragmenter_8cc_source.html#l00066">fragmenter.cc:66</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1mp4_1_1SampleEncryptionEntry_html"><div class="ttname"><a href="../../d6/dcb/structshaka_1_1media_1_1mp4_1_1SampleEncryptionEntry.html">shaka::media::mp4::SampleEncryptionEntry</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d7b/box__definitions_8h_source.html#l00077">box_definitions.h:77</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1MediaSample_html"><div class="ttname"><a href="../../d7/d6d/classshaka_1_1media_1_1MediaSample.html">shaka::media::MediaSample</a></div><div class="ttdoc">Class to hold a media sample. </div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d80/media__sample_8h_source.html#l00022">media_sample.h:22</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1mp4_1_1SampleAuxiliaryInformationSize_html"><div class="ttname"><a href="../../dd/d13/structshaka_1_1media_1_1mp4_1_1SampleAuxiliaryInformationSize.html">shaka::media::mp4::SampleAuxiliaryInformationSize</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d7b/box__definitions_8h_source.html#l00069">box_definitions.h:69</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1mp4_1_1SampleToGroup_html"><div class="ttname"><a href="../../d0/d7c/structshaka_1_1media_1_1mp4_1_1SampleToGroup.html">shaka::media::mp4::SampleToGroup</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d7b/box__definitions_8h_source.html#l00530">box_definitions.h:530</a></div></div>
<div class="ttc" id="structshaka_1_1media_1_1mp4_1_1SampleEncryption_html"><div class="ttname"><a href="../../d4/dad/structshaka_1_1media_1_1mp4_1_1SampleEncryption.html">shaka::media::mp4::SampleEncryption</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d7b/box__definitions_8h_source.html#l00108">box_definitions.h:108</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1mp4_1_1Fragmenter_html_ae943e13eb86d54cffb7174d4513e4541"><div class="ttname"><a href="../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html#ae943e13eb86d54cffb7174d4513e4541">shaka::media::mp4::Fragmenter::FinalizeFragment</a></div><div class="ttdeci">Status FinalizeFragment()</div><div class="ttdoc">Finalize and optimize the fragment. </div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d9a/fragmenter_8cc_source.html#l00147">fragmenter.cc:147</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1mp4_1_1Fragmenter_html_a208b7b8dd83e73c4206469695a3216d4"><div class="ttname"><a href="../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html#a208b7b8dd83e73c4206469695a3216d4">shaka::media::mp4::Fragmenter::OptimizeSampleEntries</a></div><div class="ttdeci">bool OptimizeSampleEntries(std::vector&lt; T &gt; *entries, T *default_value)</div><div class="ttdef"><b>Definition:</b> <a href="../../da/dd1/fragmenter_8h_source.html#l00111">fragmenter.h:111</a></div></div>
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