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<div class="title">es_parser_adts.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2014 The Chromium Authors. All rights reserved.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// Use of this source code is governed by a BSD-style license that can be</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// found in the LICENSE file.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;</div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="preprocessor">#ifndef MEDIA_FORMATS_MP2T_ES_PARSER_ADTS_H_</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MEDIA_FORMATS_MP2T_ES_PARSER_ADTS_H_</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#include &lt;list&gt;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &lt;utility&gt;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;</div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &quot;packager/base/callback.h&quot;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &quot;packager/base/compiler_specific.h&quot;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &quot;packager/base/memory/scoped_ptr.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/audio_stream_info.h&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/byte_queue.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/mp2t/es_parser.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>shaka {</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">class </span>AudioTimestampHelper;</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="keyword">class </span>BitReader;</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="keyword">namespace </span>mp2t {</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"><a class="line" href="../../d6/dcf/classshaka_1_1media_1_1mp2t_1_1EsParserAdts.html"> 25</a></span>&#160;<span class="keyword">class </span><a class="code" href="../../d6/dcf/classshaka_1_1media_1_1mp2t_1_1EsParserAdts.html">EsParserAdts</a> : <span class="keyword">public</span> <a class="code" href="../../da/d10/classshaka_1_1media_1_1mp2t_1_1EsParser.html">EsParser</a> {</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <a class="code" href="../../d6/dcf/classshaka_1_1media_1_1mp2t_1_1EsParserAdts.html">EsParserAdts</a>(uint32_t pid,</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; <span class="keyword">const</span> NewStreamInfoCB&amp; new_stream_info_cb,</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; <span class="keyword">const</span> EmitSampleCB&amp; emit_sample_cb,</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; <span class="keywordtype">bool</span> sbr_in_mimetype);</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; ~<a class="code" href="../../d6/dcf/classshaka_1_1media_1_1mp2t_1_1EsParserAdts.html">EsParserAdts</a>() <span class="keyword">override</span>;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <span class="comment">// EsParser implementation.</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="keywordtype">bool</span> Parse(<span class="keyword">const</span> uint8_t* buf, <span class="keywordtype">int</span> size, int64_t pts, int64_t dts) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="keywordtype">void</span> Flush() <span class="keyword">override</span>;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="keywordtype">void</span> Reset() <span class="keyword">override</span>;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="comment">// Used to link a PTS with a byte position in the ES stream.</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keyword">typedef</span> std::pair&lt;int, int64_t&gt; EsPts;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="keyword">typedef</span> std::list&lt;EsPts&gt; EsPtsList;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="comment">// Signal any audio configuration change (if any).</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="comment">// Return false if the current audio config is not</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="comment">// a supported ADTS audio config.</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keywordtype">bool</span> UpdateAudioConfiguration(<span class="keyword">const</span> uint8_t* adts_frame, <span class="keywordtype">size_t</span> frame_size);</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="comment">// Discard some bytes from the ES stream.</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keywordtype">void</span> DiscardEs(<span class="keywordtype">int</span> nbytes);</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="comment">// Callbacks:</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="comment">// - to signal a new audio configuration,</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="comment">// - to send ES buffers.</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; NewStreamInfoCB new_stream_info_cb_;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; EmitSampleCB emit_sample_cb_;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="comment">// True when AAC SBR extension is signalled in the mimetype</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="comment">// (mp4a.40.5 in the codecs parameter).</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordtype">bool</span> sbr_in_mimetype_;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="comment">// Bytes of the ES stream that have not been emitted yet.</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <a class="code" href="../../d7/dda/classshaka_1_1media_1_1ByteQueue.html">ByteQueue</a> es_byte_queue_;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="comment">// List of PTS associated with a position in the ES stream.</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; EsPtsList pts_list_;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <span class="comment">// Interpolated PTS for frames that don&#39;t have one.</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; scoped_ptr&lt;AudioTimestampHelper&gt; audio_timestamp_helper_;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; scoped_refptr&lt;StreamInfo&gt; last_audio_decoder_config_;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; DISALLOW_COPY_AND_ASSIGN(<a class="code" href="../../d6/dcf/classshaka_1_1media_1_1mp2t_1_1EsParserAdts.html">EsParserAdts</a>);</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;};</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;} <span class="comment">// namespace mp2t</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;} <span class="comment">// namespace media</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;} <span class="comment">// namespace shaka</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1EsParserAdts_html"><div class="ttname"><a href="../../d6/dcf/classshaka_1_1media_1_1mp2t_1_1EsParserAdts.html">shaka::media::mp2t::EsParserAdts</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d18/es__parser__adts_8h_source.html#l00025">es_parser_adts.h:25</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1ByteQueue_html"><div class="ttname"><a href="../../d7/dda/classshaka_1_1media_1_1ByteQueue.html">shaka::media::ByteQueue</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d7/dc6/byte__queue_8h_source.html#l00020">byte_queue.h:20</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1EsParser_html"><div class="ttname"><a href="../../da/d10/classshaka_1_1media_1_1mp2t_1_1EsParser.html">shaka::media::mp2t::EsParser</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d2/deb/es__parser_8h_source.html#l00021">es_parser.h:21</a></div></div>
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