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<li class="navelem"><a class="el" href="../../dir_3f8eec2fc361645de4b1ec14c19fffc7.html">packager</a></li><li class="navelem"><a class="el" href="../../dir_f99dae54fe7170f791f339b952d5067a.html">media</a></li><li class="navelem"><a class="el" href="../../dir_64597db6ac7a9160e951a4226a03f10e.html">codecs</a></li> </ul>
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<div class="title">av1_parser.h</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2018 Google LLC. All rights reserved.</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Use of this source code is governed by a BSD-style</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// license that can be found in the LICENSE file or at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// https://developers.google.com/open-source/licenses/bsd</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">#ifndef PACKAGER_MEDIA_CODECS_AV1_PARSER_H_</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#define PACKAGER_MEDIA_CODECS_AV1_PARSER_H_</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <stdint.h></span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <stdlib.h></span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  </div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  </div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  </div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">class </span>BitReader;</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00022"></a><span class="lineno"><a class="line" href="../../db/dc7/classshaka_1_1media_1_1AV1Parser.html"> 22</a></span> <span class="keyword">class </span><a class="code" href="../../db/dc7/classshaka_1_1media_1_1AV1Parser.html">AV1Parser</a> {</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="../../d7/d36/structshaka_1_1media_1_1AV1Parser_1_1Tile.html"> 24</a></span>  <span class="keyword">struct </span><a class="code" href="../../d7/d36/structshaka_1_1media_1_1AV1Parser_1_1Tile.html">Tile</a> {</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordtype">size_t</span> start_offset_in_bytes;</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordtype">size_t</span> size_in_bytes;</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  };</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <a class="code" href="../../db/dc7/classshaka_1_1media_1_1AV1Parser.html">AV1Parser</a>();</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">virtual</span> ~<a class="code" href="../../db/dc7/classshaka_1_1media_1_1AV1Parser.html">AV1Parser</a>();</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="../../db/dc7/classshaka_1_1media_1_1AV1Parser.html#ae0f20c4724f1c65b27f9f155c6362e6d">Parse</a>(<span class="keyword">const</span> uint8_t* data,</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">size_t</span> data_size,</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  std::vector<Tile>* tiles);</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <a class="code" href="../../db/dc7/classshaka_1_1media_1_1AV1Parser.html">AV1Parser</a>(<span class="keyword">const</span> <a class="code" href="../../db/dc7/classshaka_1_1media_1_1AV1Parser.html">AV1Parser</a>&) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <a class="code" href="../../db/dc7/classshaka_1_1media_1_1AV1Parser.html">AV1Parser</a>& operator=(<span class="keyword">const</span> <a class="code" href="../../db/dc7/classshaka_1_1media_1_1AV1Parser.html">AV1Parser</a>&) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// The structure names and the method names match the names in the spec but in</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="comment">// CamelCase.</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="comment">// Not all fields are populated. In particular, fields not referenced and not</span></div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// needed to parse other parts of the bitstream are not populated.</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  </div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">struct </span>ObuExtensionHeader {</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">int</span> temporal_id = 0;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">int</span> spatial_id = 0;</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  };</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">struct </span>ObuHeader {</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">int</span> obu_type = 0;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">bool</span> obu_has_size_field = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  ObuExtensionHeader extension_header;</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  };</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  </div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">struct </span>ColorConfig {</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">int</span> bit_depth = 0;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordtype">bool</span> mono_chrome = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">int</span> num_planes = 0;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">int</span> color_primaries = 0;</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">int</span> transfer_chracteristics = 0;</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">int</span> matrix_coefficients = 0;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">bool</span> color_range = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">bool</span> subsampling_x = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">bool</span> subsampling_y = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">int</span> chroma_sampling_position = 0;</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">bool</span> separate_uv_delta_q = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  };</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">struct </span>TimingInfo {</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">bool</span> equal_picture_interval = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  };</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">struct </span>DecoderModelInfo {</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">int</span> buffer_delay_length_minus_1 = 0;</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordtype">int</span> buffer_removal_time_length_minus_1 = 0;</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordtype">int</span> frame_presentation_time_length_minus_1 = 0;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</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">struct </span>SequenceHeaderObu {</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">int</span> seq_profile = 0;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">bool</span> reduced_still_picture_header = <span class="keyword">false</span>;</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>  TimingInfo timing_info;</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">bool</span> decoder_model_info_present_flag = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  DecoderModelInfo decoder_model_info;</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  </div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordtype">int</span> operating_points_cnt_minus_1 = 0;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> kMaxOperatingPointsCount = 1 << 5;</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">int</span> operating_point_idc[kMaxOperatingPointsCount] = {};</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">bool</span> decoder_model_present_for_this_op[kMaxOperatingPointsCount] = {};</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  </div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">int</span> frame_width_bits_minus_1 = 0;</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">int</span> frame_height_bits_minus_1 = 0;</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordtype">int</span> max_frame_width_minus_1 = 0;</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">int</span> max_frame_height_minus_1 = 0;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">bool</span> frame_id_numbers_present_flag = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">int</span> delta_frame_id_length_minus_2 = 0;</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordtype">int</span> additional_frame_id_length_minus_1 = 0;</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordtype">bool</span> use_128x128_superblock = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">bool</span> enable_warped_motion = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">bool</span> enable_order_hint = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">bool</span> enable_ref_frame_mvs = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">int</span> order_hint_bits = 0;</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  </div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">int</span> seq_force_screen_content_tools = 0;</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordtype">int</span> seq_force_integer_mv = 0;</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  </div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordtype">bool</span> enable_superres = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordtype">bool</span> enable_cdef = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordtype">bool</span> enable_restoration = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  ColorConfig color_config;</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordtype">bool</span> film_grain_params_present = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  };</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  </div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">struct </span>TileInfo {</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordtype">int</span> tile_cols = 0;</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordtype">int</span> tile_rows = 0;</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordtype">int</span> tile_cols_log2 = 0;</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">int</span> tile_rows_log2 = 0;</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">int</span> tile_size_bytes = 0;</div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  };</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="keyword">struct </span>QuantizationParams {</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordtype">int</span> base_q_idx = 0;</div>
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|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordtype">int</span> delta_qydc = 0;</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordtype">int</span> delta_quac = 0;</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordtype">int</span> delta_qudc = 0;</div>
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|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordtype">int</span> delta_qvac = 0;</div>
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|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">int</span> delta_qvdc = 0;</div>
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|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  };</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  </div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> kMaxSegments = 8;</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> kSegLvlMax = 8;</div>
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|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">struct </span>SegmentationParams {</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordtype">bool</span> segmentation_enabled = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordtype">bool</span> feature_enabled[kMaxSegments][kSegLvlMax] = {};</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordtype">int</span> feature_data[kMaxSegments][kSegLvlMax] = {};</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  };</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  </div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> kRefsPerFrame = 7;</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">struct </span>FrameHeaderObu {</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordtype">bool</span> seen_frame_header = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  </div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">bool</span> show_existing_frame = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordtype">int</span> frame_to_show_map_idx = 0;</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  </div>
|
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">int</span> frame_type = 0;</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordtype">int</span> refresh_frame_flags = 0;</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  </div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordtype">int</span> ref_frame_idx[kRefsPerFrame] = {};</div>
|
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  </div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordtype">int</span> order_hint = 0;</div>
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|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  </div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordtype">int</span> frame_width = 0;</div>
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|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordtype">int</span> frame_height = 0;</div>
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|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordtype">int</span> upscaled_width = 0;</div>
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|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordtype">int</span> render_width = 0;</div>
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|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordtype">int</span> render_height = 0;</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  </div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordtype">int</span> mi_cols = 0;</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordtype">int</span> mi_rows = 0;</div>
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|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  </div>
|
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  TileInfo tile_info;</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  QuantizationParams quantization_params;</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  SegmentationParams segmentation_params;</div>
|
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  };</div>
|
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  </div>
|
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword">struct </span>ReferenceFrame {</div>
|
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordtype">int</span> frame_type = 0;</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordtype">int</span> order_hint = 0;</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  </div>
|
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordtype">int</span> frame_width = 0;</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordtype">int</span> frame_height = 0;</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordtype">int</span> upscaled_width = 0;</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordtype">int</span> render_width = 0;</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordtype">int</span> render_height = 0;</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  </div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordtype">int</span> mi_cols = 0;</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordtype">int</span> mi_rows = 0;</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  </div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordtype">int</span> bit_depth = 0;</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordtype">bool</span> subsampling_x = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordtype">bool</span> subsampling_y = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  };</div>
|
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  </div>
|
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordtype">bool</span> ParseOpenBitstreamUnit(BitReader* reader, std::vector<Tile>* tiles);</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordtype">bool</span> ParseObuHeader(BitReader* reader, ObuHeader* obu_header);</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordtype">bool</span> ParseObuExtensionHeader(BitReader* reader,</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  ObuExtensionHeader* obu_extension_header);</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordtype">bool</span> ParseTrailingBits(<span class="keywordtype">size_t</span> nb_bits, BitReader* reader);</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordtype">bool</span> ByteAlignment(BitReader* reader);</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  </div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="comment">// SequenceHeader OBU and children structures.</span></div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordtype">bool</span> ParseSequenceHeaderObu(BitReader* reader);</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordtype">bool</span> ParseColorConfig(BitReader* reader);</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordtype">bool</span> ParseTimingInfo(BitReader* reader);</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordtype">bool</span> ParseDecoderModelInfo(BitReader* reader);</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordtype">bool</span> SkipOperatingParametersInfo(BitReader* reader);</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  </div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="comment">// FrameHeader OBU and children structures.</span></div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordtype">bool</span> ParseFrameHeaderObu(<span class="keyword">const</span> ObuHeader& obu_header, BitReader* reader);</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordtype">bool</span> ParseUncompressedHeader(<span class="keyword">const</span> ObuHeader& obu_header, BitReader* reader);</div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordtype">int</span> GetRelativeDist(<span class="keywordtype">int</span> a, <span class="keywordtype">int</span> b);</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordtype">bool</span> ParseFrameSize(<span class="keywordtype">bool</span> frame_size_override_flag, BitReader* reader);</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordtype">bool</span> ParseRenderSize(BitReader* reader);</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordtype">bool</span> ParseFrameSizeWithRefs(<span class="keywordtype">bool</span> frame_size_override_flag, BitReader* reader);</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordtype">bool</span> ParseSuperresParams(BitReader* reader);</div>
|
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordtype">void</span> ComputeImageSize();</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordtype">bool</span> SkipInterpolationFilter(BitReader* reader);</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordtype">bool</span> ParseLoopFilterParams(<span class="keywordtype">bool</span> coded_lossless,</div>
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|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordtype">bool</span> allow_intrabc,</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  BitReader* reader);</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordtype">bool</span> ParseTileInfo(BitReader* reader);</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordtype">bool</span> ParseQuantizationParams(BitReader* reader);</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordtype">bool</span> ReadDeltaQ(BitReader* reader, <span class="keywordtype">int</span>* delta_q);</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordtype">bool</span> ParseSegmentationParams(<span class="keywordtype">int</span> primary_ref_frame, BitReader* reader);</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordtype">bool</span> SkipDeltaQParams(BitReader* reader, <span class="keywordtype">bool</span>* delta_q_present);</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordtype">bool</span> SkipDeltaLfParams(<span class="keywordtype">bool</span> delta_q_present,</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordtype">bool</span> allow_intrabc,</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  BitReader* reader);</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordtype">bool</span> ParseCdefParams(<span class="keywordtype">bool</span> coded_lossless,</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordtype">bool</span> allow_intrabc,</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  BitReader* reader);</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordtype">bool</span> ParseLrParams(<span class="keywordtype">bool</span> all_lossless, <span class="keywordtype">bool</span> allow_intrabc, BitReader* reader);</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordtype">bool</span> SkipTxMode(<span class="keywordtype">bool</span> coded_lossless, BitReader* reader);</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordtype">bool</span> SkipSkipModeParams(<span class="keywordtype">bool</span> frame_is_intra,</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordtype">bool</span> reference_select,</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  BitReader* reader);</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordtype">bool</span> ParseFrameReferenceMode(<span class="keywordtype">bool</span> frame_is_intra,</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  BitReader* reader,</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordtype">bool</span>* reference_select);</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordtype">bool</span> SkipGlobalMotionParams(<span class="keywordtype">bool</span> frame_is_intra,</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordtype">bool</span> allow_high_precision_mv,</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  BitReader* reader);</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordtype">bool</span> SkipGlobalParam(<span class="keywordtype">int</span> type,</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordtype">int</span> ref,</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordtype">int</span> idx,</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordtype">bool</span> allow_high_precision_mv,</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  BitReader* reader);</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordtype">bool</span> SkipDecodeSignedSubexpWithRef(<span class="keywordtype">int</span> low, <span class="keywordtype">int</span> high, BitReader* reader);</div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordtype">bool</span> SkipDecodeUnsignedSubexpWithRef(<span class="keywordtype">int</span> mx, BitReader* reader);</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordtype">bool</span> SkipDecodeSubexp(<span class="keywordtype">int</span> num_syms, BitReader* reader);</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordtype">bool</span> SkipFilmGrainParams(<span class="keywordtype">bool</span> show_frame,</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordtype">bool</span> showable_frame,</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  BitReader* reader);</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordtype">bool</span> SkipTemporalPointInfo(BitReader* reader);</div>
|
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  </div>
|
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="comment">// Frame OBU.</span></div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordtype">bool</span> ParseFrameObu(<span class="keyword">const</span> ObuHeader& obu_header,</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordtype">size_t</span> size,</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  BitReader* reader,</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  std::vector<Tile>* tiles);</div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  </div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="comment">// TileGroup OBU.</span></div>
|
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordtype">bool</span> ParseTileGroupObu(<span class="keywordtype">size_t</span> size,</div>
|
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  BitReader* reader,</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  std::vector<Tile>* tiles);</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordtype">bool</span> SegFeatureActiveIdx(<span class="keywordtype">int</span> idx, <span class="keywordtype">int</span> feature);</div>
|
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  </div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="comment">// Decoding process related helper functions.</span></div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="comment">// We do not care about decoding itself, but we need to take care of reference</span></div>
|
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="comment">// frame states.</span></div>
|
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordtype">void</span> DecodeFrameWrapup();</div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordtype">bool</span> SetFrameRefs(<span class="keywordtype">int</span> last_frame_idx, <span class="keywordtype">int</span> gold_frame_idx);</div>
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|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordtype">int</span> GetQIndex(<span class="keywordtype">bool</span> ignore_delta_q, <span class="keywordtype">int</span> segment_id);</div>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  </div>
|
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  SequenceHeaderObu sequence_header_;</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  FrameHeaderObu frame_header_;</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> kNumRefFrames = 8;</div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  ReferenceFrame reference_frames_[kNumRefFrames];</div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> };</div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  </div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> } <span class="comment">// namespace shaka</span></div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  </div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="preprocessor">#endif </span><span class="comment">// PACKAGER_MEDIA_CODECS_AV1_PARSER_H_</span></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1AV1Parser_html"><div class="ttname"><a href="../../db/dc7/classshaka_1_1media_1_1AV1Parser.html">shaka::media::AV1Parser</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d18/av1__parser_8h_source.html#l00022">av1_parser.h:22</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1AV1Parser_html_ae0f20c4724f1c65b27f9f155c6362e6d"><div class="ttname"><a href="../../db/dc7/classshaka_1_1media_1_1AV1Parser.html#ae0f20c4724f1c65b27f9f155c6362e6d">shaka::media::AV1Parser::Parse</a></div><div class="ttdeci">virtual bool Parse(const uint8_t *data, size_t data_size, std::vector< Tile > *tiles)</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dbc/av1__parser_8cc_source.html#l00255">av1_parser.cc:255</a></div></div>
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<div class="ttc" id="anamespaceshaka_html"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html">shaka</a></div><div class="ttdoc">All the methods that are virtual are virtual for mocking.</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011">gflags_hex_bytes.cc:11</a></div></div>
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<div class="ttc" id="astructshaka_1_1media_1_1AV1Parser_1_1Tile_html"><div class="ttname"><a href="../../d7/d36/structshaka_1_1media_1_1AV1Parser_1_1Tile.html">shaka::media::AV1Parser::Tile</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d18/av1__parser_8h_source.html#l00024">av1_parser.h:24</a></div></div>
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