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<div class="title">es_parser_h264.h</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 The Chromium Authors. All rights reserved.</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Use of this source code is governed by a BSD-style license that can be</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// found in the LICENSE file.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#ifndef MEDIA_FORMATS_MP2T_ES_PARSER_H264_H_</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor"></span><span class="preprocessor">#define MEDIA_FORMATS_MP2T_ES_PARSER_H264_H_</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <stdint.h></span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "packager/base/callback.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/base/memory/scoped_ptr.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/formats/mp2t/es_parser_h26x.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">namespace </span>shaka {</div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">class </span>H264Parser;</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span>mp2t {</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// Remark:</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// In this h264 parser, frame splitting is based on AUD nals.</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// Mpeg2 TS spec: "2.14 Carriage of Rec. ITU-T H.264 | ISO/IEC 14496-10 video"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// "Each AVC access unit shall contain an access unit delimiter NAL Unit;"</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="../../d5/db9/classshaka_1_1media_1_1mp2t_1_1EsParserH264.html"> 26</a></span> <span class="keyword">class </span><a class="code" href="../../d5/db9/classshaka_1_1media_1_1mp2t_1_1EsParserH264.html">EsParserH264</a> : <span class="keyword">public</span> <a class="code" href="../../da/d23/classshaka_1_1media_1_1mp2t_1_1EsParserH26x.html">EsParserH26x</a> {</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <a class="code" href="../../d5/db9/classshaka_1_1media_1_1mp2t_1_1EsParserH264.html">EsParserH264</a>(uint32_t pid,</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keyword">const</span> NewStreamInfoCB& new_stream_info_cb,</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">const</span> EmitSampleCB& emit_sample_cb);</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  ~<a class="code" href="../../d5/db9/classshaka_1_1media_1_1mp2t_1_1EsParserH264.html">EsParserH264</a>() <span class="keyword">override</span>;</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">// EsParserH26x implementation override.</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordtype">void</span> Reset() <span class="keyword">override</span>;</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="keyword">private</span>:</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="comment">// Processes a NAL unit found in ParseInternal. The @a pps_id_for_access_unit</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="comment">// value will be passed to UpdateVideoDecoderConfig.</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordtype">bool</span> ProcessNalu(<span class="keyword">const</span> <a class="code" href="../../d6/dff/classshaka_1_1media_1_1Nalu.html">Nalu</a>& nalu,</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordtype">bool</span>* is_key_frame,</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">int</span>* pps_id_for_access_unit) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">// Update the video decoder config based on an H264 SPS.</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="comment">// Return true if successful.</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordtype">bool</span> UpdateVideoDecoderConfig(<span class="keywordtype">int</span> sps_id) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// Callback to pass the stream configuration.</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  NewStreamInfoCB new_stream_info_cb_;</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>  scoped_refptr<StreamInfo> last_video_decoder_config_;</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">bool</span> decoder_config_check_pending_;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  scoped_ptr<H264Parser> h264_parser_;</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> };</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> } <span class="comment">// namespace mp2t</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> } <span class="comment">// namespace shaka</span></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#endif</span></div>
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<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1EsParserH264_html"><div class="ttname"><a href="../../d5/db9/classshaka_1_1media_1_1mp2t_1_1EsParserH264.html">shaka::media::mp2t::EsParserH264</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d37/es__parser__h264_8h_source.html#l00026">es_parser_h264.h:26</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1EsParserH26x_html"><div class="ttname"><a href="../../da/d23/classshaka_1_1media_1_1mp2t_1_1EsParserH26x.html">shaka::media::mp2t::EsParserH26x</a></div><div class="ttdef"><b>Definition:</b> <a href="../../df/d8d/es__parser__h26x_8h_source.html#l00028">es_parser_h26x.h:28</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1Nalu_html"><div class="ttname"><a href="../../d6/dff/classshaka_1_1media_1_1Nalu.html">shaka::media::Nalu</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d87/nalu__reader_8h_source.html#l00026">nalu_reader.h:26</a></div></div>
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