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<div class="title">wvm_media_parser.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/wvm/wvm_media_parser.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 <map></span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <sstream></span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/base/stl_util.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/base/strings/string_number_conversions.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/aes_encryptor.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/audio_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/base/key_source.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/base/media_sample.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/base/status.h"</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "packager/media/base/video_stream_info.h"</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "packager/media/filters/avc_decoder_configuration.h"</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "packager/media/formats/mp2t/adts_header.h"</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "packager/media/formats/mp4/aac_audio_specific_config.h"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "packager/media/formats/mp4/es_descriptor.h"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#define HAS_HEADER_EXTENSION(x) ((x != 0xBC) && (x != 0xBE) && (x != 0xBF) \</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"> && (x != 0xF0) && (x != 0xF2) && (x != 0xF8) \</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"> && (x != 0xFF))</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">const</span> uint32_t kMpeg2ClockRate = 90000;</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">const</span> uint32_t kPesOptPts = 0x80;</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">const</span> uint32_t kPesOptDts = 0x40;</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">const</span> uint32_t kPesOptAlign = 0x04;</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">const</span> uint32_t kPsmStreamId = 0xBC;</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">const</span> uint32_t kPaddingStreamId = 0xBE;</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">const</span> uint32_t kIndexMagic = 0x49444d69;</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">const</span> uint32_t kIndexStreamId = 0xBF; <span class="comment">// private_stream_2</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">const</span> uint32_t kIndexVersion4HeaderSize = 12;</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">const</span> uint32_t kEcmStreamId = 0xF0;</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">const</span> uint32_t kV2MetadataStreamId = 0xF1; <span class="comment">// EMM_stream</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">const</span> uint32_t kScramblingBitsMask = 0x30;</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">const</span> uint32_t kStartCode1 = 0x00;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">const</span> uint32_t kStartCode2 = 0x00;</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">const</span> uint32_t kStartCode3 = 0x01;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">const</span> uint32_t kStartCode4Pack = 0xBA;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">const</span> uint32_t kStartCode4System = 0xBB;</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">const</span> uint32_t kStartCode4ProgramEnd = 0xB9;</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">const</span> uint32_t kPesStreamIdVideoMask = 0xF0;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">const</span> uint32_t kPesStreamIdVideo = 0xE0;</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">const</span> uint32_t kPesStreamIdAudioMask = 0xE0;</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">const</span> uint32_t kPesStreamIdAudio = 0xC0;</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">const</span> uint32_t kVersion4 = 4;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kAdtsHeaderMinSize = 7;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">const</span> uint8_t kAacSampleSizeBits = 16;</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment">// Applies to all video streams.</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">const</span> uint8_t kNaluLengthSize = 4; <span class="comment">// unit is bytes.</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment">// Placeholder sampling frequency for all audio streams, which</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment">// will be overwritten after filter parsing.</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">const</span> uint32_t kDefaultSamplingFrequency = 100;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">const</span> uint16_t kEcmSizeBytes = 80;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">const</span> uint32_t kInitializationVectorSizeBytes = 16;</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment">// ECM fields for processing.</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">const</span> uint32_t kEcmContentKeySizeBytes = 16;</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">const</span> uint32_t kEcmDCPFlagsSizeBytes = 3;</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">const</span> uint32_t kEcmCCIFlagsSizeBytes = 1;</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">const</span> uint32_t kEcmFlagsSizeBytes =</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  kEcmCCIFlagsSizeBytes + kEcmDCPFlagsSizeBytes;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keyword">const</span> uint32_t kEcmPaddingSizeBytes = 12;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">const</span> uint32_t kAssetKeySizeBytes = 16;</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment">// Default audio and video PES stream IDs.</span></div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">const</span> uint8_t kDefaultAudioStreamId = kPesStreamIdAudio;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">const</span> uint8_t kDefaultVideoStreamId = kPesStreamIdVideo;</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> <span class="keyword">enum</span> Type {</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  Type_void = 0,</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  Type_uint8 = 1,</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  Type_int8 = 2,</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  Type_uint16 = 3,</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  Type_int16 = 4,</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  Type_uint32 = 5,</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  Type_int32 = 6,</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  Type_uint64 = 7,</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  Type_int64 = 8,</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  Type_string = 9,</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  Type_BinaryData = 10</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> };</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="keyword">namespace </span>edash_packager {</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">namespace </span>wvm {</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> WvmMediaParser::WvmMediaParser()</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  : is_initialized_(false),</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  parse_state_(StartCode1),</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  is_psm_needed_(true),</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  skip_bytes_(0),</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  metadata_is_complete_(false),</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  current_program_id_(0),</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  pes_stream_id_(0),</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  prev_pes_stream_id_(0),</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  pes_packet_bytes_(0),</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  pes_flags_1_(0),</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  pes_flags_2_(0),</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  prev_pes_flags_1_(0),</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  pes_header_data_bytes_(0),</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  timestamp_(0),</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  pts_(0),</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  dts_(0),</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  index_program_id_(0),</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  media_sample_(NULL),</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  crypto_unit_start_pos_(0),</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  stream_id_count_(0),</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  decryption_key_source_(NULL) {</div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> }</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> WvmMediaParser::~WvmMediaParser() {}</div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"><a class="line" href="../../d8/da0/classedash__packager_1_1media_1_1wvm_1_1WvmMediaParser.html#aef36e6f7cc6bdb2c6b287ae07ef9a55a"> 118</a></span> <span class="keywordtype">void</span> WvmMediaParser::Init(<span class="keyword">const</span> InitCB& init_cb,</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">const</span> NewSampleCB& new_sample_cb,</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <a class="code" href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html">KeySource</a>* decryption_key_source) {</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  DCHECK(!is_initialized_);</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  DCHECK(!init_cb.is_null());</div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  DCHECK(!new_sample_cb.is_null());</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  decryption_key_source_ = decryption_key_source;</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  init_cb_ = init_cb;</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  new_sample_cb_ = new_sample_cb;</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> }</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"><a class="line" href="../../d8/da0/classedash__packager_1_1media_1_1wvm_1_1WvmMediaParser.html#afb93a59f1ed5a174b4c4ef09072667a5"> 129</a></span> <span class="keywordtype">bool</span> WvmMediaParser::Parse(<span class="keyword">const</span> uint8_t* buf, <span class="keywordtype">int</span> size) {</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  uint32_t num_bytes, prev_size;</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  num_bytes = prev_size = 0;</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">const</span> uint8_t* read_ptr = buf;</div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">const</span> uint8_t* end = read_ptr + size;</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">while</span> (read_ptr < end) {</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">switch</span> (parse_state_) {</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">case</span> StartCode1:</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">if</span> (*read_ptr == kStartCode1) {</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  parse_state_ = StartCode2;</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>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">case</span> StartCode2:</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">if</span> (*read_ptr == kStartCode2) {</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  parse_state_ = StartCode3;</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  parse_state_ = StartCode1;</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">case</span> StartCode3:</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span> (*read_ptr == kStartCode3) {</div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  parse_state_ = StartCode4;</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  parse_state_ = StartCode1;</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">case</span> StartCode4:</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">switch</span> (*read_ptr) {</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">case</span> kStartCode4Pack:</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  parse_state_ = PackHeader1;</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">case</span> kStartCode4System:</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  parse_state_ = SystemHeader1;</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">case</span> kStartCode4ProgramEnd:</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  parse_state_ = ProgramEnd;</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  parse_state_ = PesStreamId;</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  }</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">case</span> PackHeader1:</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  parse_state_ = PackHeader2;</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">case</span> PackHeader2:</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  parse_state_ = PackHeader3;</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">case</span> PackHeader3:</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  parse_state_ = PackHeader4;</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">case</span> PackHeader4:</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  parse_state_ = PackHeader5;</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">case</span> PackHeader5:</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  parse_state_ = PackHeader6;</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">case</span> PackHeader6:</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  parse_state_ = PackHeader7;</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> PackHeader7:</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  parse_state_ = PackHeader8;</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">case</span> PackHeader8:</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  parse_state_ = PackHeader9;</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>  <span class="keywordflow">case</span> PackHeader9:</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  parse_state_ = PackHeader10;</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>  <span class="keywordflow">case</span> PackHeader10:</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  skip_bytes_ = *read_ptr & 0x07;</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  parse_state_ = PackHeaderStuffingSkip;</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">case</span> SystemHeader1:</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  skip_bytes_ = *read_ptr;</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  skip_bytes_ <<= 8;</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  parse_state_ = SystemHeader2;</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">case</span> SystemHeader2:</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  skip_bytes_ |= *read_ptr;</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  parse_state_ = SystemHeaderSkip;</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>  <span class="keywordflow">case</span> PackHeaderStuffingSkip:</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">if</span> ((end - read_ptr) >= (int32_t)skip_bytes_) {</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  read_ptr += skip_bytes_;</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  skip_bytes_ = 0;</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  parse_state_ = StartCode1;</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  skip_bytes_ -= (end - read_ptr);</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  read_ptr = end;</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  }</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">case</span> SystemHeaderSkip:</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">if</span> ((end - read_ptr) >= (int32_t)skip_bytes_) {</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  read_ptr += skip_bytes_;</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  skip_bytes_ = 0;</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  parse_state_ = StartCode1;</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  uint32_t remaining_size = end - read_ptr;</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  skip_bytes_ -= remaining_size;</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  read_ptr = end;</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">case</span> PesStreamId:</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  pes_stream_id_ = *read_ptr;</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">if</span> (!metadata_is_complete_ &&</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  (pes_stream_id_ != kPsmStreamId) &&</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  (pes_stream_id_ != kIndexStreamId) &&</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  (pes_stream_id_ != kEcmStreamId) &&</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  (pes_stream_id_ != kV2MetadataStreamId) &&</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  (pes_stream_id_ != kPaddingStreamId)) {</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  metadata_is_complete_ = <span class="keyword">true</span>;</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>  parse_state_ = PesPacketLength1;</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">case</span> PesPacketLength1:</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  pes_packet_bytes_ = *read_ptr;</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  pes_packet_bytes_ <<= 8;</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  parse_state_ = PesPacketLength2;</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">case</span> PesPacketLength2:</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  pes_packet_bytes_ |= *read_ptr;</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">if</span> (HAS_HEADER_EXTENSION(pes_stream_id_)) {</div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  parse_state_ = PesExtension1;</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  pes_flags_1_ = pes_flags_2_ = 0;</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  pes_header_data_bytes_ = 0;</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  parse_state_ = PesPayload;</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>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">case</span> PesExtension1:</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  prev_pes_flags_1_ = pes_flags_1_;</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  pes_flags_1_ = *read_ptr;</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  --pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  parse_state_ = PesExtension2;</div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">case</span> PesExtension2:</div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  pes_flags_2_ = *read_ptr;</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  --pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  parse_state_ = PesExtension3;</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">case</span> PesExtension3:</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  pes_header_data_bytes_ = *read_ptr;</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  --pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">if</span> (pes_flags_2_ & kPesOptPts) {</div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  parse_state_ = Pts1;</div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  parse_state_ = PesHeaderData;</div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  }</div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">case</span> Pts1:</div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  timestamp_ = (*read_ptr & 0x0E);</div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  --pes_header_data_bytes_;</div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  --pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  parse_state_ = Pts2;</div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">case</span> Pts2:</div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  timestamp_ <<= 7;</div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  timestamp_ |= *read_ptr;</div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  --pes_header_data_bytes_;</div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  --pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  parse_state_ = Pts3;</div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">case</span> Pts3:</div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  timestamp_ <<= 7;</div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  timestamp_ |= *read_ptr >> 1;</div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  --pes_header_data_bytes_;</div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  --pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  parse_state_ = Pts4;</div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">case</span> Pts4:</div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  timestamp_ <<= 8;</div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  timestamp_ |= *read_ptr;</div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  --pes_header_data_bytes_;</div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  --pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  parse_state_ = Pts5;</div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">case</span> Pts5:</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  timestamp_ <<= 7;</div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  timestamp_ |= *read_ptr >> 1;</div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  pts_ = timestamp_;</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  --pes_header_data_bytes_;</div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  --pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">if</span> (pes_flags_2_ & kPesOptDts) {</div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  parse_state_ = Dts1;</div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  dts_ = pts_;</div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  parse_state_ = PesHeaderData;</div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  }</div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">case</span> Dts1:</div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  timestamp_ = (*read_ptr & 0x0E);</div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  --pes_header_data_bytes_;</div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  --pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  parse_state_ = Dts2;</div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">case</span> Dts2:</div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  timestamp_ <<= 7;</div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  timestamp_ |= *read_ptr;</div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  --pes_header_data_bytes_;</div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  --pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  parse_state_ = Dts3;</div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">case</span> Dts3:</div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  timestamp_ <<= 7;</div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  timestamp_ |= *read_ptr >> 1;</div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  --pes_header_data_bytes_;</div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  --pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  parse_state_ = Dts4;</div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">case</span> Dts4:</div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  timestamp_ <<= 8;</div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  timestamp_ |= *read_ptr;</div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  --pes_header_data_bytes_;</div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  --pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  parse_state_ = Dts5;</div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">case</span> Dts5:</div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  timestamp_ <<= 7;</div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  timestamp_ |= *read_ptr >> 1;</div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  dts_ = timestamp_;</div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  --pes_header_data_bytes_;</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  --pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  parse_state_ = PesHeaderData;</div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">case</span> PesHeaderData:</div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  num_bytes = end - read_ptr;</div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">if</span> (num_bytes >= pes_header_data_bytes_) {</div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  num_bytes = pes_header_data_bytes_;</div>
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  parse_state_ = PesPayload;</div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  }</div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  pes_header_data_bytes_ -= num_bytes;</div>
|
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  pes_packet_bytes_ -= num_bytes;</div>
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  read_ptr += num_bytes;</div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordflow">case</span> PesPayload:</div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">switch</span> (pes_stream_id_) {</div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">case</span> kPsmStreamId:</div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  psm_data_.clear();</div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  parse_state_ = PsmPayload;</div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">case</span> kPaddingStreamId:</div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  parse_state_ = Padding;</div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">case</span> kEcmStreamId:</div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  ecm_.clear();</div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  parse_state_ = EcmPayload;</div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">case</span> kIndexStreamId:</div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  parse_state_ = IndexPayload;</div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">if</span> (!DemuxNextPes(<span class="keyword">false</span>)) {</div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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>  parse_state_ = EsPayload;</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>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">case</span> PsmPayload:</div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  num_bytes = end - read_ptr;</div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">if</span> (num_bytes >= pes_packet_bytes_) {</div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  num_bytes = pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  parse_state_ = StartCode1;</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  }</div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">if</span> (num_bytes > 0) {</div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  pes_packet_bytes_ -= num_bytes;</div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  prev_size = psm_data_.size();</div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  psm_data_.resize(prev_size + num_bytes);</div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  memcpy(&psm_data_[prev_size], read_ptr, num_bytes);</div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  }</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  read_ptr += num_bytes;</div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">case</span> EcmPayload:</div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  num_bytes = end - read_ptr;</div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keywordflow">if</span> (num_bytes >= pes_packet_bytes_) {</div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  num_bytes = pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  parse_state_ = StartCode1;</div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  }</div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">if</span> (num_bytes > 0) {</div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  pes_packet_bytes_ -= num_bytes;</div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  prev_size = ecm_.size();</div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  ecm_.resize(prev_size + num_bytes);</div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  memcpy(&ecm_[prev_size], read_ptr, num_bytes);</div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  }</div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">if</span> ((pes_packet_bytes_ == 0) && !ecm_.empty()) {</div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">if</span> (!ProcessEcm()) {</div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">return</span>(<span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div>
|
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  }</div>
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  read_ptr += num_bytes;</div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordflow">case</span> IndexPayload:</div>
|
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  num_bytes = end - read_ptr;</div>
|
|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordflow">if</span> (num_bytes >= pes_packet_bytes_) {</div>
|
|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  num_bytes = pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  parse_state_ = StartCode1;</div>
|
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  }</div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">if</span> (num_bytes > 0) {</div>
|
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  pes_packet_bytes_ -= num_bytes;</div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  prev_size = index_data_.size();</div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  index_data_.resize(prev_size + num_bytes);</div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  memcpy(&index_data_[prev_size], read_ptr, num_bytes);</div>
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  }</div>
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordflow">if</span> (pes_packet_bytes_ == 0 && !index_data_.empty()) {</div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">if</span> (!metadata_is_complete_) {</div>
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">if</span> (!ParseIndexEntry()) {</div>
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  }</div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  }</div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  }</div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  read_ptr += num_bytes;</div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keywordflow">case</span> EsPayload:</div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  num_bytes = end - read_ptr;</div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keywordflow">if</span> (num_bytes >= pes_packet_bytes_) {</div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  num_bytes = pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  parse_state_ = StartCode1;</div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  }</div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  pes_packet_bytes_ -= num_bytes;</div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">if</span> (pes_stream_id_ != kV2MetadataStreamId) {</div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  sample_data_.resize(sample_data_.size() + num_bytes);</div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  memcpy(&sample_data_[sample_data_.size() - num_bytes], read_ptr,</div>
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  num_bytes);</div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  }</div>
|
|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  prev_pes_stream_id_ = pes_stream_id_;</div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  read_ptr += num_bytes;</div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="keywordflow">case</span> Padding:</div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  num_bytes = end - read_ptr;</div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="keywordflow">if</span> (num_bytes >= pes_packet_bytes_) {</div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  num_bytes = pes_packet_bytes_;</div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  parse_state_ = StartCode1;</div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  }</div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  pes_packet_bytes_ -= num_bytes;</div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  read_ptr += num_bytes;</div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keywordflow">case</span> ProgramEnd:</div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  parse_state_ = StartCode1;</div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  metadata_is_complete_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">if</span> (!DemuxNextPes(<span class="keyword">true</span>)) {</div>
|
|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  }</div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordflow">if</span> (!Flush()) {</div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  }</div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="comment">// Reset.</span></div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  dts_ = pts_ = 0;</div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  parse_state_ = StartCode1;</div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  prev_media_sample_data_.Reset();</div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  current_program_id_++;</div>
|
|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  ecm_.clear();</div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  index_data_.clear();</div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  psm_data_.clear();</div>
|
|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  }</div>
|
|
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  ++read_ptr;</div>
|
|
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  }</div>
|
|
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> }</div>
|
|
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span> </div>
|
|
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="keywordtype">bool</span> WvmMediaParser::EmitLastSample(uint32_t stream_id,</div>
|
|
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  scoped_refptr<MediaSample>& new_sample) {</div>
|
|
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  std::string key = base::UintToString(current_program_id_)</div>
|
|
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  .append(<span class="stringliteral">":"</span>)</div>
|
|
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  .append(base::UintToString(stream_id));</div>
|
|
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  std::map<std::string, uint32_t>::iterator it =</div>
|
|
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  program_demux_stream_map_.find(key);</div>
|
|
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keywordflow">if</span> (it == program_demux_stream_map_.end())</div>
|
|
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keywordflow">return</span> EmitSample(stream_id, (*it).second, new_sample, <span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span> }</div>
|
|
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span> </div>
|
|
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> <span class="keywordtype">bool</span> WvmMediaParser::EmitPendingSamples() {</div>
|
|
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="comment">// Emit queued samples which were built when not initialized.</span></div>
|
|
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keywordflow">while</span> (!media_sample_queue_.empty()) {</div>
|
|
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  DemuxStreamIdMediaSample& demux_stream_media_sample =</div>
|
|
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  media_sample_queue_.front();</div>
|
|
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keywordflow">if</span> (!EmitSample(demux_stream_media_sample.parsed_audio_or_video_stream_id,</div>
|
|
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  demux_stream_media_sample.demux_stream_id,</div>
|
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  demux_stream_media_sample.media_sample,</div>
|
|
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keyword">false</span>)) {</div>
|
|
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  }</div>
|
|
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  media_sample_queue_.pop_front();</div>
|
|
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  }</div>
|
|
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span> }</div>
|
|
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span> </div>
|
|
<div class="line"><a name="l00520"></a><span class="lineno"><a class="line" href="../../d8/da0/classedash__packager_1_1media_1_1wvm_1_1WvmMediaParser.html#ada8310858959deec97adfa001658edf0"> 520</a></span> <span class="keywordtype">bool</span> WvmMediaParser::Flush() {</div>
|
|
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="comment">// Flush the last audio and video sample for current program.</span></div>
|
|
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="comment">// Reset the streamID when successfully emitted.</span></div>
|
|
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keywordflow">if</span> (prev_media_sample_data_.audio_sample != NULL) {</div>
|
|
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">if</span> (!EmitLastSample(prev_pes_stream_id_,</div>
|
|
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  prev_media_sample_data_.audio_sample)) {</div>
|
|
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  LOG(ERROR) << <span class="stringliteral">"Did not emit last sample for audio stream with ID = "</span></div>
|
|
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  << prev_pes_stream_id_;</div>
|
|
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  }</div>
|
|
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  }</div>
|
|
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keywordflow">if</span> (prev_media_sample_data_.video_sample != NULL) {</div>
|
|
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keywordflow">if</span> (!EmitLastSample(prev_pes_stream_id_,</div>
|
|
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  prev_media_sample_data_.video_sample)) {</div>
|
|
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  LOG(ERROR) << <span class="stringliteral">"Did not emit last sample for video stream with ID = "</span></div>
|
|
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  << prev_pes_stream_id_;</div>
|
|
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  }</div>
|
|
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  }</div>
|
|
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span> }</div>
|
|
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span> </div>
|
|
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span> <span class="keywordtype">bool</span> WvmMediaParser::ParseIndexEntry() {</div>
|
|
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="comment">// Do not parse index entry at the beginning of any track *after* the first</span></div>
|
|
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="comment">// track.</span></div>
|
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="keywordflow">if</span> (current_program_id_ > 0) {</div>
|
|
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  }</div>
|
|
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  uint32_t index_size = 0;</div>
|
|
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keywordflow">if</span> (index_data_.size() < kIndexVersion4HeaderSize) {</div>
|
|
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  }</div>
|
|
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span> </div>
|
|
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="keyword">const</span> uint8_t* read_ptr = vector_as_array(&index_data_);</div>
|
|
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <span class="keywordflow">if</span> (ntohlFromBuffer(read_ptr) != kIndexMagic) {</div>
|
|
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  index_data_.clear();</div>
|
|
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  }</div>
|
|
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  read_ptr += 4;</div>
|
|
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span> </div>
|
|
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  uint32_t version = ntohlFromBuffer(read_ptr);</div>
|
|
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  read_ptr += 4;</div>
|
|
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="keywordflow">if</span> (version == kVersion4) {</div>
|
|
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  index_size = kIndexVersion4HeaderSize + ntohlFromBuffer(read_ptr);</div>
|
|
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keywordflow">if</span> (index_data_.size() < index_size) {</div>
|
|
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="comment">// We do not yet have the full index. Keep accumulating index data.</span></div>
|
|
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  }</div>
|
|
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  read_ptr += <span class="keyword">sizeof</span>(uint32_t);</div>
|
|
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span> </div>
|
|
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <span class="comment">// Index metadata</span></div>
|
|
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  uint32_t index_metadata_max_size = index_size - kIndexVersion4HeaderSize;</div>
|
|
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keywordflow">if</span> (index_metadata_max_size < <span class="keyword">sizeof</span>(uint8_t)) {</div>
|
|
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  index_data_.clear();</div>
|
|
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  }</div>
|
|
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span> </div>
|
|
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  uint64_t track_duration = 0;</div>
|
|
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  int16_t trick_play_rate = 0;</div>
|
|
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  uint32_t sampling_frequency = kDefaultSamplingFrequency;</div>
|
|
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  uint32_t time_scale = kMpeg2ClockRate;</div>
|
|
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  uint16_t video_width = 0;</div>
|
|
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  uint16_t video_height = 0;</div>
|
|
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  uint32_t pixel_width = 0;</div>
|
|
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  uint32_t pixel_height = 0;</div>
|
|
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  uint8_t nalu_length_size = kNaluLengthSize;</div>
|
|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  uint8_t num_channels = 0;</div>
|
|
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="keywordtype">int</span> audio_pes_stream_id = 0;</div>
|
|
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="keywordtype">int</span> video_pes_stream_id = 0;</div>
|
|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordtype">bool</span> has_video = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <span class="keywordtype">bool</span> has_audio = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  std::vector<uint8_t> audio_codec_config;</div>
|
|
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  std::vector<uint8_t> video_codec_config;</div>
|
|
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  uint8_t num_index_entries = *read_ptr;</div>
|
|
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  ++read_ptr;</div>
|
|
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  --index_metadata_max_size;</div>
|
|
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span> </div>
|
|
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  <span class="keywordflow">for</span> (uint8_t idx = 0; idx < num_index_entries; ++idx) {</div>
|
|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  <span class="keywordflow">if</span> (index_metadata_max_size < (2 * <span class="keyword">sizeof</span>(uint8_t)) + <span class="keyword">sizeof</span>(uint32_t)) {</div>
|
|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  }</div>
|
|
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  uint8_t tag = *read_ptr;</div>
|
|
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  ++read_ptr;</div>
|
|
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  uint8_t type = *read_ptr;</div>
|
|
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  ++read_ptr;</div>
|
|
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  uint32_t length = ntohlFromBuffer(read_ptr);</div>
|
|
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  read_ptr += <span class="keyword">sizeof</span>(uint32_t);</div>
|
|
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  index_metadata_max_size -= (2 * <span class="keyword">sizeof</span>(uint8_t)) + <span class="keyword">sizeof</span>(uint32_t);</div>
|
|
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  <span class="keywordflow">if</span> (index_metadata_max_size < length) {</div>
|
|
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  }</div>
|
|
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  int64_t value = 0;</div>
|
|
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  Tag tagtype = Unset;</div>
|
|
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  std::vector<uint8_t> binary_data;</div>
|
|
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  <span class="keywordflow">switch</span> (Type(type)) {</div>
|
|
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keywordflow">case</span> Type_uint8:</div>
|
|
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <span class="keywordflow">if</span> (length == <span class="keyword">sizeof</span>(uint8_t)) {</div>
|
|
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  tagtype = GetTag(tag, length, read_ptr, &value);</div>
|
|
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  }</div>
|
|
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="keywordflow">case</span> Type_int8:</div>
|
|
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="keywordflow">if</span> (length == <span class="keyword">sizeof</span>(int8_t)) {</div>
|
|
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  tagtype = GetTag(tag, length, read_ptr, &value);</div>
|
|
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  }</div>
|
|
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <span class="keywordflow">case</span> Type_uint16:</div>
|
|
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  <span class="keywordflow">if</span> (length == <span class="keyword">sizeof</span>(uint16_t)) {</div>
|
|
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  tagtype = GetTag(tag, length, read_ptr, &value);</div>
|
|
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  }</div>
|
|
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  <span class="keywordflow">case</span> Type_int16:</div>
|
|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  <span class="keywordflow">if</span> (length == <span class="keyword">sizeof</span>(int16_t)) {</div>
|
|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  tagtype = GetTag(tag, length, read_ptr, &value);</div>
|
|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  }</div>
|
|
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <span class="keywordflow">case</span> Type_uint32:</div>
|
|
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  <span class="keywordflow">if</span> (length == <span class="keyword">sizeof</span>(uint32_t)) {</div>
|
|
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  tagtype = GetTag(tag, length, read_ptr, &value);</div>
|
|
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  }</div>
|
|
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  <span class="keywordflow">case</span> Type_int32:</div>
|
|
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  <span class="keywordflow">if</span> (length == <span class="keyword">sizeof</span>(int32_t)) {</div>
|
|
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  tagtype = GetTag(tag, length, read_ptr, &value);</div>
|
|
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  }</div>
|
|
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  <span class="keywordflow">case</span> Type_uint64:</div>
|
|
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  <span class="keywordflow">if</span> (length == <span class="keyword">sizeof</span>(uint64_t)) {</div>
|
|
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  tagtype = GetTag(tag, length, read_ptr, &value);</div>
|
|
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  }</div>
|
|
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  <span class="keywordflow">case</span> Type_int64:</div>
|
|
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  <span class="keywordflow">if</span> (length == <span class="keyword">sizeof</span>(int64_t)) {</div>
|
|
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  tagtype = GetTag(tag, length, read_ptr, &value);</div>
|
|
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  }</div>
|
|
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  <span class="keywordflow">case</span> Type_string:</div>
|
|
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  <span class="keywordflow">case</span> Type_BinaryData:</div>
|
|
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  binary_data.assign(read_ptr, read_ptr + length);</div>
|
|
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  tagtype = Tag(tag);</div>
|
|
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  }</div>
|
|
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span> </div>
|
|
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <span class="keywordflow">switch</span> (tagtype) {</div>
|
|
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  <span class="keywordflow">case</span> TrackDuration:</div>
|
|
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  track_duration = value;</div>
|
|
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="keywordflow">case</span> TrackTrickPlayRate:</div>
|
|
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  trick_play_rate = value;</div>
|
|
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <span class="keywordflow">case</span> VideoStreamId:</div>
|
|
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  video_pes_stream_id = value;</div>
|
|
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keywordflow">case</span> AudioStreamId:</div>
|
|
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  audio_pes_stream_id = value;</div>
|
|
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  <span class="keywordflow">case</span> VideoWidth:</div>
|
|
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  video_width = (uint16_t)value;</div>
|
|
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  <span class="keywordflow">case</span> VideoHeight:</div>
|
|
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  video_height = (uint16_t)value;</div>
|
|
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="keywordflow">case</span> AudioNumChannels:</div>
|
|
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  num_channels = (uint8_t)value;</div>
|
|
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  <span class="keywordflow">case</span> VideoType:</div>
|
|
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  has_video = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  <span class="keywordflow">case</span> AudioType:</div>
|
|
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  has_audio = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  <span class="keywordflow">case</span> VideoPixelWidth:</div>
|
|
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  pixel_width = <span class="keyword">static_cast<</span>uint32_t<span class="keyword">></span>(value);</div>
|
|
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  <span class="keywordflow">case</span> VideoPixelHeight:</div>
|
|
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  pixel_height = <span class="keyword">static_cast<</span>uint32_t<span class="keyword">></span>(value);</div>
|
|
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  <span class="keywordflow">case</span> Audio_EsDescriptor: {</div>
|
|
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  mp4::ESDescriptor descriptor;</div>
|
|
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <span class="keywordflow">if</span> (!descriptor.Parse(binary_data)) {</div>
|
|
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  LOG(ERROR) <<</div>
|
|
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  <span class="stringliteral">"Could not extract AudioSpecificConfig from ES_Descriptor"</span>;</div>
|
|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  }</div>
|
|
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  audio_codec_config = descriptor.decoder_specific_info();</div>
|
|
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  }</div>
|
|
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  <span class="keywordflow">case</span> Audio_EC3SpecificData:</div>
|
|
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  <span class="keywordflow">case</span> Audio_DtsSpecificData:</div>
|
|
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <span class="keywordflow">case</span> Audio_AC3SpecificData:</div>
|
|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  LOG(ERROR) << <span class="stringliteral">"Audio type not supported."</span>;</div>
|
|
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <span class="keywordflow">case</span> AVCDecoderConfigurationRecord:</div>
|
|
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  video_codec_config = binary_data;</div>
|
|
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  }</div>
|
|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span> </div>
|
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  read_ptr += length;</div>
|
|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  index_metadata_max_size -= length;</div>
|
|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  }</div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  <span class="comment">// End Index metadata</span></div>
|
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  index_size = read_ptr - vector_as_array(&index_data_);</div>
|
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span> </div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  <span class="keywordflow">if</span> (has_video) {</div>
|
|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  VideoCodec video_codec = kCodecH264;</div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  stream_infos_.push_back(<span class="keyword">new</span> VideoStreamInfo(</div>
|
|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  stream_id_count_, time_scale, track_duration, video_codec,</div>
|
|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  std::string(), std::string(), video_width, video_height,</div>
|
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  pixel_width, pixel_height, trick_play_rate, nalu_length_size,</div>
|
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  vector_as_array(&video_codec_config), video_codec_config.size(),</div>
|
|
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  <span class="keyword">true</span>));</div>
|
|
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  program_demux_stream_map_[base::UintToString(index_program_id_) + <span class="stringliteral">":"</span> +</div>
|
|
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  base::UintToString(video_pes_stream_id ?</div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  video_pes_stream_id :</div>
|
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  kDefaultVideoStreamId)] =</div>
|
|
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  stream_id_count_++;</div>
|
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  }</div>
|
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  <span class="keywordflow">if</span> (has_audio) {</div>
|
|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  AudioCodec audio_codec = kCodecAAC;</div>
|
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  <span class="comment">// TODO(beil): Pass in max and average bitrate in wvm container.</span></div>
|
|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  stream_infos_.push_back(<span class="keyword">new</span> AudioStreamInfo(</div>
|
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  stream_id_count_, time_scale, track_duration, audio_codec,</div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  std::string(), std::string(), kAacSampleSizeBits, num_channels,</div>
|
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  sampling_frequency, 0, 0, vector_as_array(&audio_codec_config),</div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  audio_codec_config.size(), <span class="keyword">true</span>));</div>
|
|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  program_demux_stream_map_[base::UintToString(index_program_id_) + <span class="stringliteral">":"</span> +</div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  base::UintToString(audio_pes_stream_id ?</div>
|
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  audio_pes_stream_id :</div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  kDefaultAudioStreamId)] =</div>
|
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  stream_id_count_++;</div>
|
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  }</div>
|
|
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  }</div>
|
|
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span> </div>
|
|
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  index_program_id_++;</div>
|
|
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  index_data_.clear();</div>
|
|
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span> }</div>
|
|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span> </div>
|
|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span> <span class="keywordtype">bool</span> WvmMediaParser::DemuxNextPes(<span class="keywordtype">bool</span> is_program_end) {</div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  <span class="keywordtype">bool</span> output_encrypted_sample = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  <span class="keywordflow">if</span> (!sample_data_.empty() && (prev_pes_flags_1_ & kScramblingBitsMask)) {</div>
|
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  <span class="comment">// Decrypt crypto unit.</span></div>
|
|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  <span class="keywordflow">if</span> (!content_decryptor_) {</div>
|
|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  output_encrypted_sample = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  content_decryptor_->Decrypt(&sample_data_[crypto_unit_start_pos_],</div>
|
|
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  sample_data_.size() - crypto_unit_start_pos_,</div>
|
|
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  &sample_data_[crypto_unit_start_pos_]);</div>
|
|
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  }</div>
|
|
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  }</div>
|
|
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  <span class="comment">// Demux media sample if we are at program end or if we are not at a</span></div>
|
|
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <span class="comment">// continuation PES.</span></div>
|
|
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  <span class="keywordflow">if</span> ((pes_flags_2_ & kPesOptPts) || is_program_end) {</div>
|
|
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  <span class="keywordflow">if</span> (!sample_data_.empty()) {</div>
|
|
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  <span class="keywordflow">if</span> (!Output(output_encrypted_sample)) {</div>
|
|
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  }</div>
|
|
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  }</div>
|
|
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  StartMediaSampleDemux();</div>
|
|
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  }</div>
|
|
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span> </div>
|
|
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  crypto_unit_start_pos_ = sample_data_.size();</div>
|
|
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span> }</div>
|
|
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span> </div>
|
|
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span> <span class="keywordtype">void</span> WvmMediaParser::StartMediaSampleDemux() {</div>
|
|
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <span class="keywordtype">bool</span> is_key_frame = ((pes_flags_1_ & kPesOptAlign) != 0);</div>
|
|
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  media_sample_ = <a class="code" href="../../d8/d6c/classedash__packager_1_1media_1_1MediaSample.html#ac30e98c643959047439a3b71baa399ca">MediaSample::CreateEmptyMediaSample</a>();</div>
|
|
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  media_sample_->set_dts(dts_);</div>
|
|
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  media_sample_->set_pts(pts_);</div>
|
|
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  media_sample_->set_is_key_frame(is_key_frame);</div>
|
|
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span> </div>
|
|
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  sample_data_.clear();</div>
|
|
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span> }</div>
|
|
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span> </div>
|
|
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span> <span class="keywordtype">bool</span> WvmMediaParser::Output(<span class="keywordtype">bool</span> output_encrypted_sample) {</div>
|
|
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="keywordflow">if</span> (output_encrypted_sample) {</div>
|
|
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  media_sample_->set_data(vector_as_array(&sample_data_),</div>
|
|
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  sample_data_.size());</div>
|
|
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  media_sample_->set_is_encrypted(<span class="keyword">true</span>);</div>
|
|
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  <span class="keywordflow">if</span> ((prev_pes_stream_id_ & kPesStreamIdVideoMask) == kPesStreamIdVideo) {</div>
|
|
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  <span class="comment">// Convert video stream to unit stream and get config.</span></div>
|
|
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  std::vector<uint8_t> nal_unit_stream;</div>
|
|
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  <span class="keywordflow">if</span> (!byte_to_unit_stream_converter_.ConvertByteStreamToNalUnitStream(</div>
|
|
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  vector_as_array(&sample_data_), sample_data_.size(),</div>
|
|
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  &nal_unit_stream)) {</div>
|
|
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  LOG(ERROR) << <span class="stringliteral">"Could not convert h.264 byte stream sample"</span>;</div>
|
|
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  }</div>
|
|
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  media_sample_->set_data(nal_unit_stream.data(), nal_unit_stream.size());</div>
|
|
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  <span class="keywordflow">if</span> (!is_initialized_) {</div>
|
|
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  <span class="comment">// Set extra data for video stream from AVC Decoder Config Record.</span></div>
|
|
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  <span class="comment">// Also, set codec string from the AVC Decoder Config Record.</span></div>
|
|
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  std::vector<uint8_t> decoder_config_record;</div>
|
|
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  byte_to_unit_stream_converter_.GetAVCDecoderConfigurationRecord(</div>
|
|
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  &decoder_config_record);</div>
|
|
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  <span class="keywordflow">for</span> (uint32_t i = 0; i < stream_infos_.size(); i++) {</div>
|
|
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  <span class="keywordflow">if</span> (stream_infos_[i]->stream_type() == media::kStreamVideo &&</div>
|
|
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  stream_infos_[i]->codec_string().empty()) {</div>
|
|
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  <span class="keyword">const</span> std::vector<uint8_t>* stream_config;</div>
|
|
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  <span class="keywordflow">if</span> (stream_infos_[i]->extra_data().empty()) {</div>
|
|
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  <span class="comment">// Decoder config record not available for stream. Use the one</span></div>
|
|
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  <span class="comment">// computed from the first video stream.</span></div>
|
|
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  stream_infos_[i]->set_extra_data(decoder_config_record);</div>
|
|
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  stream_config = &decoder_config_record;</div>
|
|
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  <span class="comment">// Use stream-specific config record.</span></div>
|
|
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  stream_config = &stream_infos_[i]->extra_data();</div>
|
|
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  }</div>
|
|
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  DCHECK(stream_config);</div>
|
|
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span> </div>
|
|
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  VideoStreamInfo* video_stream_info =</div>
|
|
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  <span class="keyword">reinterpret_cast<</span>VideoStreamInfo*<span class="keyword">></span>(stream_infos_[i].get());</div>
|
|
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  AVCDecoderConfiguration avc_config;</div>
|
|
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  <span class="keywordflow">if</span> (!avc_config.Parse(*stream_config)) {</div>
|
|
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  LOG(WARNING) << <span class="stringliteral">"Failed to parse AVCDecoderConfigurationRecord. "</span></div>
|
|
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  <span class="stringliteral">"Using computed configuration record instead."</span>;</div>
|
|
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  video_stream_info->set_extra_data(decoder_config_record);</div>
|
|
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  <span class="keywordflow">if</span> (!avc_config.Parse(decoder_config_record)) {</div>
|
|
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  LOG(ERROR) << <span class="stringliteral">"Failed to parse AVCDecoderConfigurationRecord."</span>;</div>
|
|
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  }</div>
|
|
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  }</div>
|
|
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  video_stream_info->set_codec_string(avc_config.GetCodecString());</div>
|
|
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span> </div>
|
|
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  <span class="keywordflow">if</span> (avc_config.pixel_width() != video_stream_info->pixel_width() ||</div>
|
|
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  avc_config.pixel_height() !=</div>
|
|
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  video_stream_info->pixel_height()) {</div>
|
|
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  LOG_IF(WARNING, video_stream_info->pixel_width() != 0 ||</div>
|
|
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  video_stream_info->pixel_height() != 0)</div>
|
|
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  << <span class="stringliteral">"Pixel aspect ratio in WVM metadata ("</span></div>
|
|
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  << video_stream_info->pixel_width() << <span class="stringliteral">","</span></div>
|
|
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  << video_stream_info->pixel_height()</div>
|
|
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  << <span class="stringliteral">") does not match with SAR in "</span></div>
|
|
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  <span class="stringliteral">"AVCDecoderConfigurationRecord ("</span></div>
|
|
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  << avc_config.pixel_width() << <span class="stringliteral">","</span></div>
|
|
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  << avc_config.pixel_height()</div>
|
|
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  << <span class="stringliteral">"). Use AVCDecoderConfigurationRecord."</span>;</div>
|
|
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  video_stream_info->set_pixel_width(avc_config.pixel_width());</div>
|
|
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  video_stream_info->set_pixel_height(avc_config.pixel_height());</div>
|
|
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  }</div>
|
|
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  <span class="keywordflow">if</span> (avc_config.coded_width() != video_stream_info->width() ||</div>
|
|
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  avc_config.coded_height() != video_stream_info->height()) {</div>
|
|
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  LOG(WARNING) << <span class="stringliteral">"Resolution in WVM metadata ("</span></div>
|
|
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  << video_stream_info->width() << <span class="stringliteral">","</span></div>
|
|
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  << video_stream_info->height()</div>
|
|
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  << <span class="stringliteral">") does not match with resolution in "</span></div>
|
|
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  <span class="stringliteral">"AVCDecoderConfigurationRecord ("</span></div>
|
|
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  << avc_config.coded_width() << <span class="stringliteral">","</span></div>
|
|
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  << avc_config.coded_height()</div>
|
|
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  << <span class="stringliteral">"). Use AVCDecoderConfigurationRecord."</span>;</div>
|
|
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  video_stream_info->set_width(avc_config.coded_width());</div>
|
|
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  video_stream_info->set_height(avc_config.coded_height());</div>
|
|
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  }</div>
|
|
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  }</div>
|
|
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  }</div>
|
|
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  }</div>
|
|
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((prev_pes_stream_id_ & kPesStreamIdAudioMask) ==</div>
|
|
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  kPesStreamIdAudio) {</div>
|
|
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  <span class="comment">// Set data on the audio stream.</span></div>
|
|
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  <span class="keywordtype">int</span> frame_size = <a class="code" href="../../db/d69/classedash__packager_1_1media_1_1mp2t_1_1AdtsHeader.html#aacce540b215432703697c6a1172c3011">media::mp2t::AdtsHeader::GetAdtsFrameSize</a>(</div>
|
|
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  vector_as_array(&sample_data_), kAdtsHeaderMinSize);</div>
|
|
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  media::mp2t::AdtsHeader adts_header;</div>
|
|
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  <span class="keyword">const</span> uint8_t* frame_ptr = vector_as_array(&sample_data_);</div>
|
|
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  <span class="keywordflow">if</span> (!adts_header.Parse(frame_ptr, frame_size)) {</div>
|
|
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  LOG(ERROR) << <span class="stringliteral">"Could not parse ADTS header"</span>;</div>
|
|
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  }</div>
|
|
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  <span class="keywordtype">size_t</span> header_size = adts_header.GetAdtsHeaderSize(frame_ptr,</div>
|
|
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  frame_size);</div>
|
|
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  media_sample_->set_data(frame_ptr + header_size,</div>
|
|
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  frame_size - header_size);</div>
|
|
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  <span class="keywordflow">if</span> (!is_initialized_) {</div>
|
|
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  <span class="keywordflow">for</span> (uint32_t i = 0; i < stream_infos_.size(); i++) {</div>
|
|
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  <span class="keywordflow">if</span> (stream_infos_[i]->stream_type() == media::kStreamAudio &&</div>
|
|
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  stream_infos_[i]->codec_string().empty()) {</div>
|
|
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  AudioStreamInfo* audio_stream_info =</div>
|
|
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span>  <span class="keyword">reinterpret_cast<</span>AudioStreamInfo*<span class="keyword">></span>(stream_infos_[i].get());</div>
|
|
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span>  <span class="keywordflow">if</span> (audio_stream_info->extra_data().empty()) {</div>
|
|
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  <span class="comment">// Set AudioStreamInfo fields using information from the ADTS</span></div>
|
|
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  <span class="comment">// header.</span></div>
|
|
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  audio_stream_info->set_sampling_frequency(</div>
|
|
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  adts_header.GetSamplingFrequency());</div>
|
|
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  std::vector<uint8_t> audio_specific_config;</div>
|
|
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  <span class="keywordflow">if</span> (!adts_header.GetAudioSpecificConfig(&audio_specific_config)) {</div>
|
|
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  LOG(ERROR) << <span class="stringliteral">"Could not compute AACaudiospecificconfig"</span>;</div>
|
|
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span>  }</div>
|
|
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  audio_stream_info->set_extra_data(audio_specific_config);</div>
|
|
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span>  audio_stream_info->set_codec_string(</div>
|
|
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  <a class="code" href="../../da/d27/classedash__packager_1_1media_1_1AudioStreamInfo.html#aa62e486f463c867b8e2f41ebb4ecea34">AudioStreamInfo::GetCodecString</a>(</div>
|
|
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  kCodecAAC, adts_header.GetObjectType()));</div>
|
|
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  <span class="comment">// Set AudioStreamInfo fields using information from the</span></div>
|
|
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  <span class="comment">// AACAudioSpecificConfig record.</span></div>
|
|
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  mp4::AACAudioSpecificConfig aac_config;</div>
|
|
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  <span class="keywordflow">if</span> (!aac_config.Parse(stream_infos_[i]->extra_data())) {</div>
|
|
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  LOG(ERROR) << <span class="stringliteral">"Could not parse AACAudioSpecificconfig"</span>;</div>
|
|
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  }</div>
|
|
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  audio_stream_info->set_sampling_frequency(aac_config.frequency());</div>
|
|
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  audio_stream_info->set_codec_string(</div>
|
|
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  <a class="code" href="../../da/d27/classedash__packager_1_1media_1_1AudioStreamInfo.html#aa62e486f463c867b8e2f41ebb4ecea34">AudioStreamInfo::GetCodecString</a>(</div>
|
|
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  kCodecAAC, aac_config.audio_object_type()));</div>
|
|
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  }</div>
|
|
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  }</div>
|
|
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  }</div>
|
|
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  }</div>
|
|
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  }</div>
|
|
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  }</div>
|
|
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span> </div>
|
|
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  <span class="keywordflow">if</span> (!is_initialized_) {</div>
|
|
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  <span class="keywordtype">bool</span> all_streams_have_config = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  <span class="comment">// Check if all collected stream infos have extra_data set.</span></div>
|
|
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  <span class="keywordflow">for</span> (uint32_t i = 0; i < stream_infos_.size(); i++) {</div>
|
|
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  <span class="keywordflow">if</span> (stream_infos_[i]->codec_string().empty()) {</div>
|
|
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  all_streams_have_config = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  }</div>
|
|
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  }</div>
|
|
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  <span class="keywordflow">if</span> (all_streams_have_config) {</div>
|
|
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  init_cb_.Run(stream_infos_);</div>
|
|
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  is_initialized_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  }</div>
|
|
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  }</div>
|
|
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span> </div>
|
|
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span>  DCHECK_GT(media_sample_->data_size(), 0UL);</div>
|
|
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span>  std::string key = base::UintToString(current_program_id_).append(<span class="stringliteral">":"</span>)</div>
|
|
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span>  .append(base::UintToString(prev_pes_stream_id_));</div>
|
|
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span>  std::map<std::string, uint32_t>::iterator it =</div>
|
|
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span>  program_demux_stream_map_.find(key);</div>
|
|
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span>  <span class="keywordflow">if</span> (it == program_demux_stream_map_.end()) {</div>
|
|
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  <span class="comment">// TODO(ramjic): Log error message here and in other error cases through</span></div>
|
|
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  <span class="comment">// this method.</span></div>
|
|
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  }</div>
|
|
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  DemuxStreamIdMediaSample demux_stream_media_sample;</div>
|
|
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span>  demux_stream_media_sample.parsed_audio_or_video_stream_id =</div>
|
|
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span>  prev_pes_stream_id_;</div>
|
|
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  demux_stream_media_sample.demux_stream_id = (*it).second;</div>
|
|
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span>  demux_stream_media_sample.media_sample = media_sample_;</div>
|
|
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  <span class="comment">// Check if sample can be emitted.</span></div>
|
|
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span>  <span class="keywordflow">if</span> (!is_initialized_) {</div>
|
|
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span>  media_sample_queue_.push_back(demux_stream_media_sample);</div>
|
|
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span>  <span class="comment">// flush the sample queue and emit all queued samples.</span></div>
|
|
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  <span class="keywordflow">while</span> (!media_sample_queue_.empty()) {</div>
|
|
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  <span class="keywordflow">if</span> (!EmitPendingSamples())</div>
|
|
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  }</div>
|
|
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span>  <span class="comment">// Emit current sample.</span></div>
|
|
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  <span class="keywordflow">if</span> (!EmitSample(prev_pes_stream_id_, (*it).second, media_sample_, <span class="keyword">false</span>))</div>
|
|
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span>  }</div>
|
|
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span> }</div>
|
|
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span> </div>
|
|
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span> <span class="keywordtype">bool</span> WvmMediaParser::EmitSample(uint32_t parsed_audio_or_video_stream_id,</div>
|
|
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span>  uint32_t stream_id,</div>
|
|
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span>  scoped_refptr<MediaSample>& new_sample,</div>
|
|
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>  <span class="keywordtype">bool</span> isLastSample) {</div>
|
|
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>  DCHECK(new_sample);</div>
|
|
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  <span class="keywordflow">if</span> (isLastSample) {</div>
|
|
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  <span class="keywordflow">if</span> ((parsed_audio_or_video_stream_id & kPesStreamIdVideoMask) ==</div>
|
|
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  kPesStreamIdVideo) {</div>
|
|
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>  new_sample->set_duration(prev_media_sample_data_.video_sample_duration);</div>
|
|
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((parsed_audio_or_video_stream_id & kPesStreamIdAudioMask) ==</div>
|
|
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  kPesStreamIdAudio) {</div>
|
|
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>  new_sample->set_duration(prev_media_sample_data_.audio_sample_duration);</div>
|
|
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>  }</div>
|
|
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>  <span class="keywordflow">if</span> (!new_sample_cb_.Run(stream_id, new_sample)) {</div>
|
|
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>  LOG(ERROR) << <span class="stringliteral">"Failed to process the last sample."</span>;</div>
|
|
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>  }</div>
|
|
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>  }</div>
|
|
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span> </div>
|
|
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>  <span class="comment">// Cannot emit current sample. Compute duration first and then,</span></div>
|
|
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>  <span class="comment">// emit previous sample.</span></div>
|
|
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>  <span class="keywordflow">if</span> ((parsed_audio_or_video_stream_id & kPesStreamIdVideoMask) ==</div>
|
|
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>  kPesStreamIdVideo) {</div>
|
|
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>  <span class="keywordflow">if</span> (prev_media_sample_data_.video_sample == NULL) {</div>
|
|
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>  prev_media_sample_data_.video_sample = new_sample;</div>
|
|
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  prev_media_sample_data_.video_stream_id = stream_id;</div>
|
|
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>  }</div>
|
|
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  prev_media_sample_data_.video_sample->set_duration(</div>
|
|
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  new_sample->dts() - prev_media_sample_data_.video_sample->dts());</div>
|
|
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>  prev_media_sample_data_.video_sample_duration =</div>
|
|
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>  prev_media_sample_data_.video_sample->duration();</div>
|
|
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>  <span class="keywordflow">if</span> (!new_sample_cb_.Run(prev_media_sample_data_.video_stream_id,</div>
|
|
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>  prev_media_sample_data_.video_sample)) {</div>
|
|
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  LOG(ERROR) << <span class="stringliteral">"Failed to process the video sample."</span>;</div>
|
|
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  }</div>
|
|
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>  prev_media_sample_data_.video_sample = new_sample;</div>
|
|
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  prev_media_sample_data_.video_stream_id = stream_id;</div>
|
|
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((parsed_audio_or_video_stream_id & kPesStreamIdAudioMask) ==</div>
|
|
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  kPesStreamIdAudio) {</div>
|
|
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  <span class="keywordflow">if</span> (prev_media_sample_data_.audio_sample == NULL) {</div>
|
|
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>  prev_media_sample_data_.audio_sample = new_sample;</div>
|
|
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  prev_media_sample_data_.audio_stream_id = stream_id;</div>
|
|
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>  }</div>
|
|
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>  prev_media_sample_data_.audio_sample->set_duration(</div>
|
|
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>  new_sample->dts() - prev_media_sample_data_.audio_sample->dts());</div>
|
|
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  prev_media_sample_data_.audio_sample_duration =</div>
|
|
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  prev_media_sample_data_.audio_sample->duration();</div>
|
|
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>  <span class="keywordflow">if</span> (!new_sample_cb_.Run(prev_media_sample_data_.audio_stream_id,</div>
|
|
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>  prev_media_sample_data_.audio_sample)) {</div>
|
|
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>  LOG(ERROR) << <span class="stringliteral">"Failed to process the audio sample."</span>;</div>
|
|
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  }</div>
|
|
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  prev_media_sample_data_.audio_sample = new_sample;</div>
|
|
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  prev_media_sample_data_.audio_stream_id = stream_id;</div>
|
|
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  }</div>
|
|
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span> }</div>
|
|
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span> </div>
|
|
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span> <span class="keywordtype">bool</span> WvmMediaParser::GetAssetKey(<span class="keyword">const</span> uint32_t asset_id,</div>
|
|
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  EncryptionKey* encryption_key) {</div>
|
|
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>  DCHECK(decryption_key_source_);</div>
|
|
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>  Status status = decryption_key_source_->FetchKeys(asset_id);</div>
|
|
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>  <span class="keywordflow">if</span> (!status.ok()) {</div>
|
|
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  LOG(ERROR) << <span class="stringliteral">"Fetch Key(s) failed for AssetID = "</span> << asset_id</div>
|
|
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  << <span class="stringliteral">", error = "</span> << status;</div>
|
|
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>  }</div>
|
|
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span> </div>
|
|
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  status = decryption_key_source_->GetKey(KeySource::TRACK_TYPE_HD,</div>
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<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>  encryption_key);</div>
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<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>  <span class="keywordflow">if</span> (!status.ok()) {</div>
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<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  LOG(ERROR) << <span class="stringliteral">"Fetch Key(s) failed for AssetID = "</span> << asset_id</div>
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<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>  << <span class="stringliteral">", error = "</span> << status;</div>
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<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  }</div>
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<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span> </div>
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<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span> }</div>
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<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span> </div>
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<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span> <span class="keywordtype">bool</span> WvmMediaParser::ProcessEcm() {</div>
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<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>  <span class="comment">// An error will be returned later if the samples need to be decrypted.</span></div>
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<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>  <span class="keywordflow">if</span> (!decryption_key_source_)</div>
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<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span> </div>
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<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>  <span class="keywordflow">if</span> (current_program_id_ > 0) {</div>
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<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>  }</div>
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<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  <span class="keywordflow">if</span> (ecm_.size() != kEcmSizeBytes) {</div>
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<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>  LOG(ERROR) << <span class="stringliteral">"Unexpected ECM size = "</span> << ecm_.size()</div>
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<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  << <span class="stringliteral">", expected size = "</span> << kEcmSizeBytes;</div>
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<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>  }</div>
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<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  <span class="keyword">const</span> uint8_t* ecm_data = ecm_.data();</div>
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<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  DCHECK(ecm_data);</div>
|
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<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>  ecm_data += <span class="keyword">sizeof</span>(uint32_t); <span class="comment">// old version field - skip.</span></div>
|
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<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>  ecm_data += <span class="keyword">sizeof</span>(uint32_t); <span class="comment">// clear lead - skip.</span></div>
|
|
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>  ecm_data += <span class="keyword">sizeof</span>(uint32_t); <span class="comment">// system id(includes ECM version) - skip.</span></div>
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<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>  uint32_t asset_id = ntohlFromBuffer(ecm_data);</div>
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<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>  <span class="keywordflow">if</span> (asset_id == 0) {</div>
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<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>  LOG(ERROR) << <span class="stringliteral">"AssetID in ECM is not valid."</span>;</div>
|
|
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>  }</div>
|
|
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>  ecm_data += <span class="keyword">sizeof</span>(uint32_t); <span class="comment">// asset_id.</span></div>
|
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<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>  EncryptionKey encryption_key;</div>
|
|
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  <span class="keywordflow">if</span> (!GetAssetKey(asset_id, &encryption_key)) {</div>
|
|
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>  }</div>
|
|
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>  <span class="keywordflow">if</span> (encryption_key.key.size() < kAssetKeySizeBytes) {</div>
|
|
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>  LOG(ERROR) << <span class="stringliteral">"Asset Key size of "</span> << encryption_key.key.size()</div>
|
|
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  << <span class="stringliteral">" for AssetID = "</span> << asset_id</div>
|
|
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>  << <span class="stringliteral">" is less than minimum asset key size."</span>;</div>
|
|
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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|
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  }</div>
|
|
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>  <span class="comment">// Legacy WVM content may have asset keys > 16 bytes.</span></div>
|
|
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  <span class="comment">// Use only the first 16 bytes of the asset key to get</span></div>
|
|
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>  <span class="comment">// the content key.</span></div>
|
|
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>  std::vector<uint8_t> asset_key(</div>
|
|
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>  encryption_key.key.begin(),</div>
|
|
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>  encryption_key.key.begin() + kAssetKeySizeBytes);</div>
|
|
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>  std::vector<uint8_t> iv(kInitializationVectorSizeBytes);</div>
|
|
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>  AesCbcCtsDecryptor asset_decryptor;</div>
|
|
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>  <span class="keywordflow">if</span> (!asset_decryptor.InitializeWithIv(asset_key, iv)) {</div>
|
|
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>  LOG(ERROR) << <span class="stringliteral">"Failed to initialize asset_decryptor."</span>;</div>
|
|
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>  }</div>
|
|
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span> </div>
|
|
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> content_key_buffer_size =</div>
|
|
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>  kEcmFlagsSizeBytes + kEcmContentKeySizeBytes +</div>
|
|
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>  kEcmPaddingSizeBytes; <span class="comment">// flags + contentKey + padding.</span></div>
|
|
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>  std::vector<uint8_t> content_key_buffer(content_key_buffer_size);</div>
|
|
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  asset_decryptor.Decrypt(</div>
|
|
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>  ecm_data, content_key_buffer_size, vector_as_array(&content_key_buffer));</div>
|
|
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span> </div>
|
|
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>  std::vector<uint8_t> decrypted_content_key_vec(</div>
|
|
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>  content_key_buffer.begin() + 4,</div>
|
|
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>  content_key_buffer.begin() + 20);</div>
|
|
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>  scoped_ptr<AesCbcCtsDecryptor> content_decryptor(<span class="keyword">new</span> AesCbcCtsDecryptor);</div>
|
|
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>  <span class="keywordflow">if</span> (!content_decryptor->InitializeWithIv(decrypted_content_key_vec, iv)) {</div>
|
|
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>  LOG(ERROR) << <span class="stringliteral">"Failed to initialize content decryptor."</span>;</div>
|
|
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>  }</div>
|
|
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span> </div>
|
|
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>  content_decryptor_ = content_decryptor.Pass();</div>
|
|
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span> }</div>
|
|
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span> </div>
|
|
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span> DemuxStreamIdMediaSample::DemuxStreamIdMediaSample() :</div>
|
|
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>  demux_stream_id(0),</div>
|
|
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>  parsed_audio_or_video_stream_id(0) {}</div>
|
|
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span> </div>
|
|
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span> DemuxStreamIdMediaSample::~DemuxStreamIdMediaSample() {}</div>
|
|
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span> </div>
|
|
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span> PrevSampleData::PrevSampleData() {</div>
|
|
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>  Reset();</div>
|
|
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span> }</div>
|
|
<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span> </div>
|
|
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span> PrevSampleData::~PrevSampleData() {}</div>
|
|
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span> </div>
|
|
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span> <span class="keywordtype">void</span> PrevSampleData::Reset() {</div>
|
|
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>  audio_sample = NULL;</div>
|
|
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>  video_sample = NULL;</div>
|
|
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>  audio_stream_id = 0;</div>
|
|
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>  video_stream_id = 0;</div>
|
|
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>  audio_sample_duration = 0;</div>
|
|
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>  video_sample_duration = 0;</div>
|
|
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span> }</div>
|
|
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span> </div>
|
|
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span> } <span class="comment">// namespace wvm</span></div>
|
|
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span> } <span class="comment">// namespace media</span></div>
|
|
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span> } <span class="comment">// namespace edash_packager</span></div>
|
|
<div class="ttc" id="classedash__packager_1_1media_1_1mp2t_1_1AdtsHeader_html_aacce540b215432703697c6a1172c3011"><div class="ttname"><a href="../../db/d69/classedash__packager_1_1media_1_1mp2t_1_1AdtsHeader.html#aacce540b215432703697c6a1172c3011">edash_packager::media::mp2t::AdtsHeader::GetAdtsFrameSize</a></div><div class="ttdeci">static size_t GetAdtsFrameSize(const uint8_t *data, size_t num_bytes)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d5b/adts__header_8cc_source.html#l00023">adts_header.cc:23</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1KeySource_html"><div class="ttname"><a href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html">edash_packager::media::KeySource</a></div><div class="ttdoc">KeySource is responsible for encryption key acquisition. </div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d3f/key__source_8h_source.html#l00029">key_source.h:29</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1MediaSample_html_ac30e98c643959047439a3b71baa399ca"><div class="ttname"><a href="../../d8/d6c/classedash__packager_1_1media_1_1MediaSample.html#ac30e98c643959047439a3b71baa399ca">edash_packager::media::MediaSample::CreateEmptyMediaSample</a></div><div class="ttdeci">static scoped_refptr< MediaSample > CreateEmptyMediaSample()</div><div class="ttdoc">Create a MediaSample object with default members. </div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d0d/media__sample_8cc_source.html#l00074">media_sample.cc:74</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1AudioStreamInfo_html_aa62e486f463c867b8e2f41ebb4ecea34"><div class="ttname"><a href="../../da/d27/classedash__packager_1_1media_1_1AudioStreamInfo.html#aa62e486f463c867b8e2f41ebb4ecea34">edash_packager::media::AudioStreamInfo::GetCodecString</a></div><div class="ttdeci">static std::string GetCodecString(AudioCodec codec, uint8_t audio_object_type)</div><div class="ttdef"><b>Definition:</b> <a href="../../da/d04/audio__stream__info_8cc_source.html#l00097">audio_stream_info.cc:97</a></div></div>
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