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<div class="title">es_parser_h264.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 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">#include "packager/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> </div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <stdint.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/base/logging.h"</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "packager/base/numerics/safe_conversions.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/media/base/media_sample.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/offset_byte_queue.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/timestamp.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/video_stream_info.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/filters/h264_byte_to_unit_stream_converter.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/filters/h264_parser.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/formats/mp2t/mp2t_common.h"</span></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>edash_packager {</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">namespace </span>mp2t {</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>{</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">// An AUD NALU is at least 4 bytes:</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// 3 bytes for the start code + 1 byte for the NALU type.</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kMinAUDSize = 4;</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">// anonymous namespace</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> EsParserH264::EsParserH264(uint32_t pid,</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">const</span> NewStreamInfoCB& new_stream_info_cb,</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">const</span> EmitSampleCB& emit_sample_cb)</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  : EsParser(pid),</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  new_stream_info_cb_(new_stream_info_cb),</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  emit_sample_cb_(emit_sample_cb),</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  es_queue_(new media::OffsetByteQueue()),</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  h264_parser_(new H264Parser()),</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  current_access_unit_pos_(0),</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  next_access_unit_pos_(0),</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  stream_converter_(new H264ByteToUnitStreamConverter),</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  decoder_config_check_pending_(false),</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  pending_sample_duration_(0),</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  waiting_for_key_frame_(true) {</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"> 46</span> </div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> EsParserH264::~EsParserH264() {</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> }</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">bool</span> EsParserH264::Parse(<span class="keyword">const</span> uint8_t* buf,</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">int</span> size,</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  int64_t pts,</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  int64_t dts) {</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="comment">// Note: Parse is invoked each time a PES packet has been reassembled.</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="comment">// Unfortunately, a PES packet does not necessarily map</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// to an h264 access unit, although the HLS recommendation is to use one PES</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="comment">// for each access unit (but this is just a recommendation and some streams</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">// do not comply with this recommendation).</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="comment">// HLS recommendation: "In AVC video, you should have both a DTS and a</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// PTS in each PES header".</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// However, some streams do not comply with this recommendation.</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  DVLOG_IF(1, pts == kNoTimestamp) << <span class="stringliteral">"Each video PES should have a PTS"</span>;</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> (pts != kNoTimestamp) {</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  TimingDesc timing_desc;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  timing_desc.pts = pts;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  timing_desc.dts = (dts != kNoTimestamp) ? dts : pts;</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="comment">// Link the end of the byte queue with the incoming timing descriptor.</span></div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  timing_desc_list_.push_back(</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  std::pair<int64_t, TimingDesc>(es_queue_->tail(), timing_desc));</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// Add the incoming bytes to the ES queue.</span></div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  es_queue_->Push(buf, size);</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span> ParseInternal();</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> </div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keywordtype">void</span> EsParserH264::Flush() {</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  DVLOG(1) << <span class="stringliteral">"EsParserH264::Flush"</span>;</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="keywordflow">if</span> (FindAUD(&current_access_unit_pos_)) {</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// Simulate an additional AUD to force emitting the last access unit</span></div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// which is assumed to be complete at this point.</span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  uint8_t aud[] = {0x00, 0x00, 0x01, 0x09};</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  es_queue_->Push(aud, <span class="keyword">sizeof</span>(aud));</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  ParseInternal();</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</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="keywordflow">if</span> (pending_sample_) {</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// Flush pending sample.</span></div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  DCHECK(pending_sample_duration_);</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  pending_sample_->set_duration(pending_sample_duration_);</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  emit_sample_cb_.Run(pid(), pending_sample_);</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  pending_sample_ = scoped_refptr<MediaSample>();</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> }</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> <span class="keywordtype">void</span> EsParserH264::Reset() {</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  DVLOG(1) << <span class="stringliteral">"EsParserH264::Reset"</span>;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  es_queue_.reset(<span class="keyword">new</span> media::OffsetByteQueue());</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  h264_parser_.reset(<span class="keyword">new</span> H264Parser());</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  current_access_unit_pos_ = 0;</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  next_access_unit_pos_ = 0;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  timing_desc_list_.clear();</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  last_video_decoder_config_ = scoped_refptr<StreamInfo>();</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  decoder_config_check_pending_ = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  pending_sample_ = scoped_refptr<MediaSample>();</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  pending_sample_duration_ = 0;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  waiting_for_key_frame_ = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> }</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="keywordtype">bool</span> EsParserH264::FindAUD(int64_t* stream_pos) {</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">const</span> uint8_t* es;</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordtype">int</span> size;</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  es_queue_->PeekAt(*stream_pos, &es, &size);</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="comment">// Find a start code and move the stream to the start code parser position.</span></div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  off_t start_code_offset;</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  off_t start_code_size;</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordtype">bool</span> start_code_found = H264Parser::FindStartCode(</div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  es, size, &start_code_offset, &start_code_size);</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  *stream_pos += start_code_offset;</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// No H264 start code found or NALU type not available yet.</span></div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">if</span> (!start_code_found || start_code_offset + start_code_size >= size)</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">// Exit the parser loop when an AUD is found.</span></div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="comment">// Note: NALU header for an AUD:</span></div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// - nal_ref_idc must be 0</span></div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="comment">// - nal_unit_type must be H264NALU::kAUD</span></div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span> (es[start_code_offset + start_code_size] == H264NALU::kAUD)</div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// The current NALU is not an AUD, skip the start code</span></div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// and continue parsing the stream.</span></div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  *stream_pos += start_code_size;</div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> }</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keywordtype">bool</span> EsParserH264::ParseInternal() {</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  DCHECK_LE(es_queue_->head(), current_access_unit_pos_);</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  DCHECK_LE(current_access_unit_pos_, next_access_unit_pos_);</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  DCHECK_LE(next_access_unit_pos_, es_queue_->tail());</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">// Find the next AUD located at or after |current_access_unit_pos_|. This is</span></div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">// needed since initially |current_access_unit_pos_| might not point to</span></div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="comment">// an AUD.</span></div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="comment">// Discard all the data before the updated |current_access_unit_pos_|</span></div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">// since it won't be used again.</span></div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordtype">bool</span> aud_found = FindAUD(&current_access_unit_pos_);</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  es_queue_->Trim(current_access_unit_pos_);</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> (next_access_unit_pos_ < current_access_unit_pos_)</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  next_access_unit_pos_ = current_access_unit_pos_;</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="comment">// Resume parsing later if no AUD was found.</span></div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span> (!aud_found)</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// Find the next AUD to make sure we have a complete access unit.</span></div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span> (next_access_unit_pos_ < current_access_unit_pos_ + kMinAUDSize) {</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  next_access_unit_pos_ = current_access_unit_pos_ + kMinAUDSize;</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  DCHECK_LE(next_access_unit_pos_, es_queue_->tail());</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  }</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (!FindAUD(&next_access_unit_pos_))</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">// At this point, we know we have a full access unit.</span></div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordtype">bool</span> is_key_frame = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordtype">int</span> pps_id_for_access_unit = -1;</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keyword">const</span> uint8_t* es;</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordtype">int</span> size;</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  es_queue_->PeekAt(current_access_unit_pos_, &es, &size);</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordtype">int</span> access_unit_size = base::checked_cast<int, int64_t>(</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  next_access_unit_pos_ - current_access_unit_pos_);</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  DCHECK_LE(access_unit_size, size);</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  h264_parser_->SetStream(es, access_unit_size);</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordtype">bool</span> is_eos = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  H264NALU nalu;</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">switch</span> (h264_parser_->AdvanceToNextNALU(&nalu)) {</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">case</span> H264Parser::kOk:</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">case</span> H264Parser::kInvalidStream:</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">case</span> H264Parser::kUnsupportedStream:</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">case</span> H264Parser::kEOStream:</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  is_eos = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  }</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">if</span> (is_eos)</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">switch</span> (nalu.nal_unit_type) {</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">case</span> H264NALU::kAUD: {</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  DVLOG(LOG_LEVEL_ES) << <span class="stringliteral">"NALU: AUD"</span>;</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">case</span> H264NALU::kSPS: {</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  DVLOG(LOG_LEVEL_ES) << <span class="stringliteral">"NALU: SPS"</span>;</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordtype">int</span> sps_id;</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">if</span> (h264_parser_->ParseSPS(&sps_id) != H264Parser::kOk)</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  decoder_config_check_pending_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">break</span>;</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>  <span class="keywordflow">case</span> H264NALU::kPPS: {</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  DVLOG(LOG_LEVEL_ES) << <span class="stringliteral">"NALU: PPS"</span>;</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordtype">int</span> pps_id;</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">if</span> (h264_parser_->ParsePPS(&pps_id) != H264Parser::kOk) {</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="comment">// Allow PPS parsing to fail if waiting for SPS.</span></div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">if</span> (last_video_decoder_config_)</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  decoder_config_check_pending_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  }</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  }</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">case</span> H264NALU::kIDRSlice:</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">case</span> H264NALU::kNonIDRSlice: {</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  is_key_frame = (nalu.nal_unit_type == H264NALU::kIDRSlice);</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  DVLOG(LOG_LEVEL_ES) << <span class="stringliteral">"NALU: slice IDR="</span> << is_key_frame;</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  H264SliceHeader shdr;</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">if</span> (h264_parser_->ParseSliceHeader(nalu, &shdr) != H264Parser::kOk) {</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="comment">// Only accept an invalid SPS/PPS at the beginning when the stream</span></div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="comment">// does not necessarily start with an SPS/PPS/IDR.</span></div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span> (last_video_decoder_config_)</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  pps_id_for_access_unit = shdr.pic_parameter_set_id;</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  }</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  }</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">default</span>: {</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  DVLOG(LOG_LEVEL_ES) << <span class="stringliteral">"NALU: "</span> << nalu.nal_unit_type;</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  }</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  }</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  }</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">if</span> (waiting_for_key_frame_) {</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  waiting_for_key_frame_ = !is_key_frame;</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  }</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">if</span> (!waiting_for_key_frame_) {</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="comment">// Emit a frame and move the stream to the next AUD position.</span></div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  RCHECK(EmitFrame(current_access_unit_pos_, access_unit_size,</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  is_key_frame, pps_id_for_access_unit));</div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  }</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  current_access_unit_pos_ = next_access_unit_pos_;</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  es_queue_->Trim(current_access_unit_pos_);</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> }</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> </div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="keywordtype">bool</span> EsParserH264::EmitFrame(int64_t access_unit_pos,</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordtype">int</span> access_unit_size,</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordtype">bool</span> is_key_frame,</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordtype">int</span> pps_id) {</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="comment">// Get the access unit timing info.</span></div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  TimingDesc current_timing_desc = {kNoTimestamp, kNoTimestamp};</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">while</span> (!timing_desc_list_.empty() &&</div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  timing_desc_list_.front().first <= access_unit_pos) {</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  current_timing_desc = timing_desc_list_.front().second;</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  timing_desc_list_.pop_front();</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  }</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">if</span> (current_timing_desc.pts == kNoTimestamp)</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="comment">// Emit a frame.</span></div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  DVLOG(LOG_LEVEL_ES) << <span class="stringliteral">"Emit frame: stream_pos="</span> << current_access_unit_pos_</div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  << <span class="stringliteral">" size="</span> << access_unit_size;</div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordtype">int</span> es_size;</div>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keyword">const</span> uint8_t* es;</div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  es_queue_->PeekAt(current_access_unit_pos_, &es, &es_size);</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  CHECK_GE(es_size, access_unit_size);</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="comment">// Convert frame to unit stream format.</span></div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  std::vector<uint8_t> converted_frame;</div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">if</span> (!stream_converter_->ConvertByteStreamToNalUnitStream(</div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  es, access_unit_size, &converted_frame)) {</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  DLOG(ERROR) << <span class="stringliteral">"Failure to convert video frame to unit stream format."</span>;</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  }</div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">if</span> (decoder_config_check_pending_) {</div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="comment">// Update the video decoder configuration if needed.</span></div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keyword">const</span> H264PPS* pps = h264_parser_->GetPPS(pps_id);</div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">if</span> (!pps) {</div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="comment">// Only accept an invalid PPS at the beginning when the stream</span></div>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="comment">// does not necessarily start with an SPS/PPS/IDR.</span></div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// In this case, the initial frames are conveyed to the upper layer with</span></div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="comment">// an invalid VideoDecoderConfig and it's up to the upper layer</span></div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="comment">// to process this kind of frame accordingly.</span></div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">if</span> (last_video_decoder_config_)</div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keyword">const</span> H264SPS* sps = h264_parser_->GetSPS(pps->seq_parameter_set_id);</div>
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<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">if</span> (!sps)</div>
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  RCHECK(UpdateVideoDecoderConfig(sps));</div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  decoder_config_check_pending_ = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  }</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>  <span class="comment">// Create the media sample, emitting always the previous sample after</span></div>
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<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="comment">// calculating its duration.</span></div>
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  scoped_refptr<MediaSample> media_sample = <a class="code" href="../../d8/d6c/classedash__packager_1_1media_1_1MediaSample.html#ac65ec88fbe6d8b72c65b1ff3f68c5b02">MediaSample::CopyFrom</a>(</div>
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  converted_frame.data(), converted_frame.size(), is_key_frame);</div>
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<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  media_sample->set_dts(current_timing_desc.dts);</div>
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  media_sample->set_pts(current_timing_desc.pts);</div>
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<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">if</span> (pending_sample_) {</div>
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<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  DCHECK_GT(media_sample->dts(), pending_sample_->dts());</div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  pending_sample_duration_ = media_sample->dts() - pending_sample_->dts();</div>
|
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<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  pending_sample_->set_duration(pending_sample_duration_);</div>
|
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  emit_sample_cb_.Run(pid(), pending_sample_);</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>  pending_sample_ = media_sample;</div>
|
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> </div>
|
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">return</span> <span class="keyword">true</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"> 326</span> </div>
|
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="keywordtype">bool</span> EsParserH264::UpdateVideoDecoderConfig(<span class="keyword">const</span> H264SPS* sps) {</div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  std::vector<uint8_t> decoder_config_record;</div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordflow">if</span> (!stream_converter_->GetAVCDecoderConfigurationRecord(</div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  &decoder_config_record)) {</div>
|
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<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  DLOG(ERROR) << <span class="stringliteral">"Failure to construct an AVCDecoderConfigurationRecord"</span>;</div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  }</div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> </div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">if</span> (last_video_decoder_config_) {</div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">if</span> (last_video_decoder_config_->extra_data() != decoder_config_record) {</div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="comment">// Video configuration has changed. Issue warning.</span></div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="comment">// TODO(tinskip): Check the nature of the configuration change. Only</span></div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="comment">// minor configuration changes (such as frame ordering) can be handled</span></div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="comment">// gracefully by decoders without notification. Major changes (such as</span></div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="comment">// video resolution changes) should be treated as errors.</span></div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  LOG(WARNING) << <span class="stringliteral">"H.264 decoder configuration has changed."</span>;</div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  last_video_decoder_config_->set_extra_data(decoder_config_record);</div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  }</div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  }</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> </div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  uint32_t coded_width = 0;</div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  uint32_t coded_height = 0;</div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  uint32_t pixel_width = 0;</div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  uint32_t pixel_height = 0;</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">if</span> (!ExtractResolutionFromSps(*sps, &coded_width, &coded_height, &pixel_width,</div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  &pixel_height)) {</div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  LOG(ERROR) << <span class="stringliteral">"Failed to parse SPS."</span>;</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  }</div>
|
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<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> </div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  last_video_decoder_config_ = scoped_refptr<StreamInfo>(</div>
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keyword">new</span> VideoStreamInfo(</div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  pid(),</div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  kMpeg2Timescale,</div>
|
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  kInfiniteDuration,</div>
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  kCodecH264,</div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <a class="code" href="../../d7/d3a/classedash__packager_1_1media_1_1VideoStreamInfo.html#a801612f825520fae9c3c3ce1de138128">VideoStreamInfo::GetCodecString</a>(kCodecH264,</div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  decoder_config_record[1],</div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  decoder_config_record[2],</div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  decoder_config_record[3]),</div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  std::string(),</div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  coded_width,</div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  coded_height,</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  pixel_width,</div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  pixel_height,</div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  0,</div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  H264ByteToUnitStreamConverter::kUnitStreamNaluLengthSize,</div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  decoder_config_record.data(),</div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  decoder_config_record.size(),</div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keyword">false</span>));</div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  DVLOG(1) << <span class="stringliteral">"Profile IDC: "</span> << sps->profile_idc;</div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  DVLOG(1) << <span class="stringliteral">"Level IDC: "</span> << sps->level_idc;</div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  DVLOG(1) << <span class="stringliteral">"log2_max_frame_num_minus4: "</span> << sps->log2_max_frame_num_minus4;</div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> </div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="comment">// Video config notification.</span></div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  new_stream_info_cb_.Run(last_video_decoder_config_);</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>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> }</div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> </div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> } <span class="comment">// namespace mp2t</span></div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span> } <span class="comment">// namespace media</span></div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> } <span class="comment">// namespace edash_packager</span></div>
|
|
<div class="ttc" id="classedash__packager_1_1media_1_1MediaSample_html_ac65ec88fbe6d8b72c65b1ff3f68c5b02"><div class="ttname"><a href="../../d8/d6c/classedash__packager_1_1media_1_1MediaSample.html#ac65ec88fbe6d8b72c65b1ff3f68c5b02">edash_packager::media::MediaSample::CopyFrom</a></div><div class="ttdeci">static scoped_refptr< MediaSample > CopyFrom(const uint8_t *data, size_t size, bool is_key_frame)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d0d/media__sample_8cc_source.html#l00047">media_sample.cc:47</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1VideoStreamInfo_html_a801612f825520fae9c3c3ce1de138128"><div class="ttname"><a href="../../d7/d3a/classedash__packager_1_1media_1_1VideoStreamInfo.html#a801612f825520fae9c3c3ce1de138128">edash_packager::media::VideoStreamInfo::GetCodecString</a></div><div class="ttdeci">static std::string GetCodecString(VideoCodec codec, uint8_t profile, uint8_t compatible_profiles, uint8_t level)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d19/video__stream__info_8cc_source.html#l00095">video_stream_info.cc:95</a></div></div>
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