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<div class="textblock"><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2016 The WebM project authors. All Rights Reserved.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Use of this source code is governed by a BSD-style license</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * that can be found in the LICENSE file in the root of the source</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * tree. An additional intellectual property rights grant can be found</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * in the file PATENTS. All contributing project authors may</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * be found in the AUTHORS file in the root of the source tree.</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> */</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// VP9 Set Reference Frame</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// ============================</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">//</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// This is an example demonstrating how to overwrite the VP9 encoder's</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// internal reference frame. In the sample we set the last frame to the</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// current frame. This technique could be used to bounce between two cameras.</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">//</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// The decoder would also have to set the reference frame to the same value</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// on the same frame, or the video will become corrupt. The 'test_decode'</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// variable is set to 1 in this example that tests if the encoder and decoder</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// results are matching.</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">//</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// Usage</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// -----</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">// This example encodes a raw video. And the last argument passed in specifies</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// the frame number to update the reference frame on. For example, run</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// examples/vp9cx_set_ref 352 288 in.yuv out.ivf 4 30</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// The parameter is parsed as follows:</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">//</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">//</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// Extra Variables</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// ---------------</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// This example maintains the frame number passed on the command line</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// in the `update_frame_num` variable.</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">//</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">//</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">// Configuration</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// -------------</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">//</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// The reference frame is updated on the frame specified on the command</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// line.</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">//</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">// Observing The Effects</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">// ---------------------</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">// The encoder and decoder results should be matching when the same reference</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// frame setting operation is done in both encoder and decoder. Otherwise,</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// the encoder/decoder mismatch would be seen.</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include <stdio.h></span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include <stdlib.h></span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#include <string.h></span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#include "<a class="code" href="vp8cx_8h.html">vpx/vp8cx.h</a>"</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#include "<a class="code" href="vpx__decoder_8h.html">vpx/vpx_decoder.h</a>"</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#include "<a class="code" href="vpx__encoder_8h.html">vpx/vpx_encoder.h</a>"</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#include "vp9/common/vp9_common.h"</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#include "./tools_common.h"</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#include "./video_writer.h"</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *exec_name;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keywordtype">void</span> usage_exit() {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  fprintf(stderr,</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="stringliteral">"Usage: %s <width> <height> <infile> <outfile> "</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="stringliteral">"<frame> <limit(optional)>\n"</span>,</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  exec_name);</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  exit(EXIT_FAILURE);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> }</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">static</span> <span class="keywordtype">int</span> compare_img(<span class="keyword">const</span> <a class="code" href="structvpx__image.html">vpx_image_t</a> *<span class="keyword">const</span> img1,</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">const</span> <a class="code" href="structvpx__image.html">vpx_image_t</a> *<span class="keyword">const</span> img2) {</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  uint32_t l_w = img1-><a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a>;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  uint32_t c_w = (img1-><a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a> + img1-><a class="code" href="structvpx__image.html#affaf210489dcefebd90b87fd5f12dc0b">x_chroma_shift</a>) >> img1-><a class="code" href="structvpx__image.html#affaf210489dcefebd90b87fd5f12dc0b">x_chroma_shift</a>;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">const</span> uint32_t c_h =</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  (img1-><a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a> + img1-><a class="code" href="structvpx__image.html#a1e3d9b699d46ca32e3916d1ac635a4a2">y_chroma_shift</a>) >> img1-><a class="code" href="structvpx__image.html#a1e3d9b699d46ca32e3916d1ac635a4a2">y_chroma_shift</a>;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  uint32_t i;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordtype">int</span> match = 1;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  match &= (img1-><a class="code" href="structvpx__image.html#a1d734f8afa9200a21c2d9f6bcf8c04d8">fmt</a> == img2-><a class="code" href="structvpx__image.html#a1d734f8afa9200a21c2d9f6bcf8c04d8">fmt</a>);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  match &= (img1-><a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a> == img2-><a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a>);</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  match &= (img1-><a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a> == img2-><a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a>);</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">for</span> (i = 0; i < img1-><a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a>; ++i)</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  match &= (memcmp(img1-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#a08171c4636c655e1ab0b76e06219f9e2">VPX_PLANE_Y</a>] + i * img1-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#a08171c4636c655e1ab0b76e06219f9e2">VPX_PLANE_Y</a>],</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  img2-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#a08171c4636c655e1ab0b76e06219f9e2">VPX_PLANE_Y</a>] + i * img2-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#a08171c4636c655e1ab0b76e06219f9e2">VPX_PLANE_Y</a>],</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  l_w) == 0);</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">for</span> (i = 0; i < c_h; ++i)</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  match &= (memcmp(img1-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#a4770fc8fa60021a2229f25553152cf81">VPX_PLANE_U</a>] + i * img1-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#a4770fc8fa60021a2229f25553152cf81">VPX_PLANE_U</a>],</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  img2-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#a4770fc8fa60021a2229f25553152cf81">VPX_PLANE_U</a>] + i * img2-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#a4770fc8fa60021a2229f25553152cf81">VPX_PLANE_U</a>],</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  c_w) == 0);</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">for</span> (i = 0; i < c_h; ++i)</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  match &= (memcmp(img1-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>] + i * img1-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>],</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  img2-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>] + i * img2-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>],</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  c_w) == 0);</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> match;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> }</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor">#define mmin(a, b) ((a) < (b) ? (a) : (b))</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">static</span> <span class="keywordtype">void</span> find_mismatch(<span class="keyword">const</span> <a class="code" href="structvpx__image.html">vpx_image_t</a> *<span class="keyword">const</span> img1,</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">const</span> <a class="code" href="structvpx__image.html">vpx_image_t</a> *<span class="keyword">const</span> img2, <span class="keywordtype">int</span> yloc[4],</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordtype">int</span> uloc[4], <span class="keywordtype">int</span> vloc[4]) {</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">const</span> uint32_t bsize = 64;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">const</span> uint32_t bsizey = bsize >> img1-><a class="code" href="structvpx__image.html#a1e3d9b699d46ca32e3916d1ac635a4a2">y_chroma_shift</a>;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">const</span> uint32_t bsizex = bsize >> img1-><a class="code" href="structvpx__image.html#affaf210489dcefebd90b87fd5f12dc0b">x_chroma_shift</a>;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">const</span> uint32_t c_w =</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  (img1-><a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a> + img1-><a class="code" href="structvpx__image.html#affaf210489dcefebd90b87fd5f12dc0b">x_chroma_shift</a>) >> img1-><a class="code" href="structvpx__image.html#affaf210489dcefebd90b87fd5f12dc0b">x_chroma_shift</a>;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">const</span> uint32_t c_h =</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  (img1-><a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a> + img1-><a class="code" href="structvpx__image.html#a1e3d9b699d46ca32e3916d1ac635a4a2">y_chroma_shift</a>) >> img1-><a class="code" href="structvpx__image.html#a1e3d9b699d46ca32e3916d1ac635a4a2">y_chroma_shift</a>;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">int</span> match = 1;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  uint32_t i, j;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  yloc[0] = yloc[1] = yloc[2] = yloc[3] = -1;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">for</span> (i = 0, match = 1; match && i < img1-><a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a>; i += bsize) {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">for</span> (j = 0; match && j < img1-><a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a>; j += bsize) {</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordtype">int</span> k, l;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> si = mmin(i + bsize, img1-><a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a>) - i;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> sj = mmin(j + bsize, img1-><a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a>) - j;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">for</span> (k = 0; match && k < si; ++k) {</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">for</span> (l = 0; match && l < sj; ++l) {</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> (*(img1-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#a08171c4636c655e1ab0b76e06219f9e2">VPX_PLANE_Y</a>] +</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  (i + k) * img1-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#a08171c4636c655e1ab0b76e06219f9e2">VPX_PLANE_Y</a>] + j + l) !=</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  *(img2-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#a08171c4636c655e1ab0b76e06219f9e2">VPX_PLANE_Y</a>] +</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  (i + k) * img2-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#a08171c4636c655e1ab0b76e06219f9e2">VPX_PLANE_Y</a>] + j + l)) {</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  yloc[0] = i + k;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  yloc[1] = j + l;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  yloc[2] = *(img1-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#a08171c4636c655e1ab0b76e06219f9e2">VPX_PLANE_Y</a>] +</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  (i + k) * img1-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#a08171c4636c655e1ab0b76e06219f9e2">VPX_PLANE_Y</a>] + j + l);</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  yloc[3] = *(img2-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#a08171c4636c655e1ab0b76e06219f9e2">VPX_PLANE_Y</a>] +</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  (i + k) * img2-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#a08171c4636c655e1ab0b76e06219f9e2">VPX_PLANE_Y</a>] + j + l);</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  match = 0;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  }</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  }</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</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>  uloc[0] = uloc[1] = uloc[2] = uloc[3] = -1;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">for</span> (i = 0, match = 1; match && i < c_h; i += bsizey) {</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">for</span> (j = 0; match && j < c_w; j += bsizex) {</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordtype">int</span> k, l;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> si = mmin(i + bsizey, c_h - i);</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> sj = mmin(j + bsizex, c_w - j);</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">for</span> (k = 0; match && k < si; ++k) {</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">for</span> (l = 0; match && l < sj; ++l) {</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (*(img1-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#a4770fc8fa60021a2229f25553152cf81">VPX_PLANE_U</a>] +</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  (i + k) * img1-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#a4770fc8fa60021a2229f25553152cf81">VPX_PLANE_U</a>] + j + l) !=</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  *(img2-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#a4770fc8fa60021a2229f25553152cf81">VPX_PLANE_U</a>] +</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  (i + k) * img2-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#a4770fc8fa60021a2229f25553152cf81">VPX_PLANE_U</a>] + j + l)) {</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  uloc[0] = i + k;</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  uloc[1] = j + l;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  uloc[2] = *(img1-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#a4770fc8fa60021a2229f25553152cf81">VPX_PLANE_U</a>] +</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  (i + k) * img1-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#a4770fc8fa60021a2229f25553152cf81">VPX_PLANE_U</a>] + j + l);</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  uloc[3] = *(img2-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#a4770fc8fa60021a2229f25553152cf81">VPX_PLANE_U</a>] +</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  (i + k) * img2-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#a4770fc8fa60021a2229f25553152cf81">VPX_PLANE_U</a>] + j + l);</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  match = 0;</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>  }</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  }</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  }</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  vloc[0] = vloc[1] = vloc[2] = vloc[3] = -1;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">for</span> (i = 0, match = 1; match && i < c_h; i += bsizey) {</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">for</span> (j = 0; match && j < c_w; j += bsizex) {</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordtype">int</span> k, l;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> si = mmin(i + bsizey, c_h - i);</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> sj = mmin(j + bsizex, c_w - j);</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">for</span> (k = 0; match && k < si; ++k) {</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">for</span> (l = 0; match && l < sj; ++l) {</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">if</span> (*(img1-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>] +</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  (i + k) * img1-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>] + j + l) !=</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  *(img2-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>] +</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  (i + k) * img2-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>] + j + l)) {</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  vloc[0] = i + k;</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  vloc[1] = j + l;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  vloc[2] = *(img1-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>] +</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  (i + k) * img1-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>] + j + l);</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  vloc[3] = *(img2-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>] +</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  (i + k) * img2-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>] + j + l);</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  match = 0;</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  }</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>  }</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> }</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="keyword">static</span> <span class="keywordtype">void</span> testing_decode(<a class="code" href="structvpx__codec__ctx.html">vpx_codec_ctx_t</a> *encoder, <a class="code" href="structvpx__codec__ctx.html">vpx_codec_ctx_t</a> *decoder,</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> frame_out, <span class="keywordtype">int</span> *mismatch_seen) {</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <a class="code" href="structvpx__image.html">vpx_image_t</a> enc_img, dec_img;</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keyword">struct </span><a class="code" href="structvp9__ref__frame.html">vp9_ref_frame</a> ref_enc, ref_dec;</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">if</span> (*mismatch_seen) <span class="keywordflow">return</span>;</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  ref_enc.<a class="code" href="structvp9__ref__frame.html#a26e0d119a61c29b72c6ccb91748b6b82">idx</a> = 0;</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  ref_dec.idx = 0;</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">if</span> (<a class="code" href="group__codec.html#gac1b91e04698c1bd4c0a2b8aa85b08cd2">vpx_codec_control</a>(encoder, <a class="code" href="group__vp8.html#gga8cadbc8e0af3da96ef7a2dbd4ed06599a91e44472b21c720a9a7d087c7226d083">VP9_GET_REFERENCE</a>, &ref_enc))</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  die_codec(encoder, <span class="stringliteral">"Failed to get encoder reference frame"</span>);</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  enc_img = ref_enc.img;</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">if</span> (<a class="code" href="group__codec.html#gac1b91e04698c1bd4c0a2b8aa85b08cd2">vpx_codec_control</a>(decoder, <a class="code" href="group__vp8.html#gga8cadbc8e0af3da96ef7a2dbd4ed06599a91e44472b21c720a9a7d087c7226d083">VP9_GET_REFERENCE</a>, &ref_dec))</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  die_codec(decoder, <span class="stringliteral">"Failed to get decoder reference frame"</span>);</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  dec_img = ref_dec.img;</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">if</span> (!compare_img(&enc_img, &dec_img)) {</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordtype">int</span> y[4], u[4], v[4];</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>  *mismatch_seen = 1;</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  find_mismatch(&enc_img, &dec_img, y, u, v);</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  printf(</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="stringliteral">"Encode/decode mismatch on frame %d at"</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="stringliteral">" Y[%d, %d] {%d/%d},"</span></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="stringliteral">" U[%d, %d] {%d/%d},"</span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="stringliteral">" V[%d, %d] {%d/%d}"</span>,</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  frame_out, y[0], y[1], y[2], y[3], u[0], u[1], u[2], u[3], v[0], v[1],</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  v[2], v[3]);</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  }</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> </div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <a class="code" href="vpx__image_8h.html#af47ebaf286812d037425d41990d48a17">vpx_img_free</a>(&enc_img);</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <a class="code" href="vpx__image_8h.html#af47ebaf286812d037425d41990d48a17">vpx_img_free</a>(&dec_img);</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> }</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="keyword">static</span> <span class="keywordtype">int</span> encode_frame(<a class="code" href="structvpx__codec__ctx.html">vpx_codec_ctx_t</a> *ecodec, <a class="code" href="structvpx__image.html">vpx_image_t</a> *<a class="code" href="structvp9__ref__frame.html#ab8d92d960007586ea7c8cd9306e98db2">img</a>,</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> frame_in, VpxVideoWriter *writer,</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordtype">int</span> test_decode, <a class="code" href="structvpx__codec__ctx.html">vpx_codec_ctx_t</a> *dcodec,</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *frame_out, <span class="keywordtype">int</span> *mismatch_seen) {</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordtype">int</span> got_pkts = 0;</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <a class="code" href="group__codec.html#ga6ea348f76b1f8a1fe50e14db684146c6">vpx_codec_iter_t</a> iter = NULL;</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keyword">const</span> <a class="code" href="structvpx__codec__cx__pkt.html">vpx_codec_cx_pkt_t</a> *pkt = NULL;</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordtype">int</span> got_data;</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keyword">const</span> <a class="code" href="group__codec.html#gada1084710837ad363b92f2379dd2b8d2">vpx_codec_err_t</a> res =</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <a class="code" href="group__encoder.html#gaf990542e2aeb389f05fae3e9c7803639">vpx_codec_encode</a>(ecodec, <a class="code" href="structvp9__ref__frame.html#ab8d92d960007586ea7c8cd9306e98db2">img</a>, frame_in, 1, 0, <a class="code" href="group__encoder.html#ga5d00a9f9e10b9f49ca91e72c1f01c9fd">VPX_DL_GOOD_QUALITY</a>);</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">if</span> (res != <a class="code" href="group__codec.html#ggada1084710837ad363b92f2379dd2b8d2af1dcde74b1c5ff7b29f31246dfd90986">VPX_CODEC_OK</a>) die_codec(ecodec, <span class="stringliteral">"Failed to encode frame"</span>);</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  got_data = 0;</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> </div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">while</span> ((pkt = <a class="code" href="group__encoder.html#gae81cab25d66cf3bc59f1f75f8a5af720">vpx_codec_get_cx_data</a>(ecodec, &iter)) != NULL) {</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  got_pkts = 1;</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">if</span> (pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a41f395b39516343c1329a4a85a0084f2">kind</a> == <a class="code" href="group__encoder.html#gga28a79375279536526552af3a83d2ed72a2261aae5594289400e812fb1e6b6b0cc">VPX_CODEC_CX_FRAME_PKT</a>) {</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> keyframe = (pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.flags & <a class="code" href="group__encoder.html#ga7a896eb3bc74f33419e6a9812c60e4c9">VPX_FRAME_IS_KEY</a>) != 0;</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> </div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">if</span> (!(pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.flags & <a class="code" href="group__encoder.html#gafb9f7dbf9b8a764c521d8b12c0e6959d">VPX_FRAME_IS_FRAGMENT</a>)) {</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  *frame_out += 1;</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  }</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">if</span> (!vpx_video_writer_write_frame(writer, pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.buf,</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.sz,</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.pts)) {</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  die_codec(ecodec, <span class="stringliteral">"Failed to write compressed frame"</span>);</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  }</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  printf(keyframe ? <span class="stringliteral">"K"</span> : <span class="stringliteral">"."</span>);</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  fflush(stdout);</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  got_data = 1;</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="comment">// Decode 1 frame.</span></div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">if</span> (test_decode) {</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">if</span> (<a class="code" href="group__decoder.html#ga3441e157a7a69108bca9a069f2ee8e0d">vpx_codec_decode</a>(dcodec, pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.buf,</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>)pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.sz, NULL, 0))</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  die_codec(dcodec, <span class="stringliteral">"Failed to decode frame."</span>);</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  }</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  }</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  }</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="comment">// Mismatch checking</span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">if</span> (got_data && test_decode) {</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  testing_decode(ecodec, dcodec, *frame_out, mismatch_seen);</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  }</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> </div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">return</span> got_pkts;</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> }</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span> </div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv) {</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  FILE *infile = NULL;</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="comment">// Encoder</span></div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <a class="code" href="structvpx__codec__ctx.html">vpx_codec_ctx_t</a> ecodec;</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <a class="code" href="structvpx__codec__enc__cfg.html">vpx_codec_enc_cfg_t</a> cfg;</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> frame_in = 0;</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <a class="code" href="structvpx__image.html">vpx_image_t</a> raw;</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <a class="code" href="group__codec.html#gada1084710837ad363b92f2379dd2b8d2">vpx_codec_err_t</a> res;</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  VpxVideoInfo info;</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  VpxVideoWriter *writer = NULL;</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keyword">const</span> VpxInterface *encoder = NULL;</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="comment">// Test encoder/decoder mismatch.</span></div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordtype">int</span> test_decode = 1;</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="comment">// Decoder</span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <a class="code" href="structvpx__codec__ctx.html">vpx_codec_ctx_t</a> dcodec;</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> frame_out = 0;</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span> </div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// The frame number to set reference frame on</span></div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> update_frame_num = 0;</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordtype">int</span> mismatch_seen = 0;</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span> </div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> fps = 30;</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> bitrate = 500;</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *width_arg = NULL;</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *height_arg = NULL;</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *infile_arg = NULL;</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *outfile_arg = NULL;</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *update_frame_num_arg = NULL;</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> limit = 0;</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  vp9_zero(ecodec);</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  vp9_zero(cfg);</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  vp9_zero(info);</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> </div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  exec_name = argv[0];</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">if</span> (argc < 6) die(<span class="stringliteral">"Invalid number of arguments"</span>);</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> </div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  width_arg = argv[1];</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  height_arg = argv[2];</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  infile_arg = argv[3];</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  outfile_arg = argv[4];</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  update_frame_num_arg = argv[5];</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span> </div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  encoder = get_vpx_encoder_by_name(<span class="stringliteral">"vp9"</span>);</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">if</span> (!encoder) die(<span class="stringliteral">"Unsupported codec."</span>);</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span> </div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  update_frame_num = (<span class="keywordtype">unsigned</span> int)strtoul(update_frame_num_arg, NULL, 0);</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="comment">// In VP9, the reference buffers (cm->buffer_pool->frame_bufs[i].buf) are</span></div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="comment">// allocated while calling vpx_codec_encode(), thus, setting reference for</span></div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="comment">// 1st frame isn't supported.</span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">if</span> (update_frame_num <= 1) {</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  die(<span class="stringliteral">"Couldn't parse frame number '%s'\n"</span>, update_frame_num_arg);</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  }</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span> </div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">if</span> (argc > 6) {</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  limit = (<span class="keywordtype">unsigned</span> int)strtoul(argv[6], NULL, 0);</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">if</span> (update_frame_num > limit)</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  die(<span class="stringliteral">"Update frame number couldn't larger than limit\n"</span>);</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  }</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> </div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  info.codec_fourcc = encoder->fourcc;</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  info.frame_width = (int)strtol(width_arg, NULL, 0);</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  info.frame_height = (int)strtol(height_arg, NULL, 0);</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  info.time_base.numerator = 1;</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  info.time_base.denominator = fps;</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span> </div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">if</span> (info.frame_width <= 0 || info.frame_height <= 0 ||</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  (info.frame_width % 2) != 0 || (info.frame_height % 2) != 0) {</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  die(<span class="stringliteral">"Invalid frame size: %dx%d"</span>, info.frame_width, info.frame_height);</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  }</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span> </div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">if</span> (!<a class="code" href="vpx__image_8h.html#ab80398f28ca880368a922fa979eb66c1">vpx_img_alloc</a>(&raw, <a class="code" href="vpx__image_8h.html#a7a30a7bff7400fb83ad45fede5077193af17ce49c9a6efd7c8c8ea8928d4ce26c">VPX_IMG_FMT_I420</a>, info.frame_width,</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  info.frame_height, 1)) {</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  die(<span class="stringliteral">"Failed to allocate image."</span>);</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  }</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span> </div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  printf(<span class="stringliteral">"Using %s\n"</span>, <a class="code" href="group__codec.html#ga9eee39f450d8cdcf5aba0e2bda6e5aa8">vpx_codec_iface_name</a>(encoder->codec_interface()));</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span> </div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  res = <a class="code" href="group__encoder.html#ga6cf8d0bbb663cd4df3a78d9eeb3bfb0e">vpx_codec_enc_config_default</a>(encoder->codec_interface(), &cfg, 0);</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">if</span> (res) die_codec(&ecodec, <span class="stringliteral">"Failed to get default codec config."</span>);</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span> </div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">g_w</a> = info.frame_width;</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a> = info.frame_height;</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087">g_timebase</a>.<a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a> = info.time_base.numerator;</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087">g_timebase</a>.<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a> = info.time_base.denominator;</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  cfg.<a class="code" href="structvpx__codec__enc__cfg.html#ab8339685175d66710f482706cc9f0aed">rc_target_bitrate</a> = bitrate;</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a992668d9e30305f3f7ab2672ea31a890">g_lag_in_frames</a> = 3;</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> </div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  writer = vpx_video_writer_open(outfile_arg, kContainerIVF, &info);</div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">if</span> (!writer) die(<span class="stringliteral">"Failed to open %s for writing."</span>, outfile_arg);</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span> </div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordflow">if</span> (!(infile = fopen(infile_arg, <span class="stringliteral">"rb"</span>)))</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  die(<span class="stringliteral">"Failed to open %s for reading."</span>, infile_arg);</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span> </div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">if</span> (<a class="code" href="group__encoder.html#ga3d490a2a9a6acd7c9ef82a603155f3cf">vpx_codec_enc_init</a>(&ecodec, encoder->codec_interface(), &cfg, 0))</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  die_codec(&ecodec, <span class="stringliteral">"Failed to initialize encoder"</span>);</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span> </div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="comment">// Disable alt_ref.</span></div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="keywordflow">if</span> (<a class="code" href="group__codec.html#gac1b91e04698c1bd4c0a2b8aa85b08cd2">vpx_codec_control</a>(&ecodec, <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca24a5530efabb8b4949d01622b1d72cb0">VP8E_SET_ENABLEAUTOALTREF</a>, 0))</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  die_codec(&ecodec, <span class="stringliteral">"Failed to set enable auto alt ref"</span>);</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span> </div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">if</span> (test_decode) {</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keyword">const</span> VpxInterface *decoder = get_vpx_decoder_by_name(<span class="stringliteral">"vp9"</span>);</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">if</span> (<a class="code" href="group__decoder.html#ga8c2f0b12f1bd4927eb3c68b01eab19d3">vpx_codec_dec_init</a>(&dcodec, decoder->codec_interface(), NULL, 0))</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  die_codec(&dcodec, <span class="stringliteral">"Failed to initialize decoder."</span>);</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  }</div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span> </div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="comment">// Encode frames.</span></div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">while</span> (vpx_img_read(&raw, infile)) {</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">if</span> (limit && frame_in >= limit) <span class="keywordflow">break</span>;</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">if</span> (update_frame_num > 1 && frame_out + 1 == update_frame_num) {</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <a class="code" href="structvpx__ref__frame.html">vpx_ref_frame_t</a> ref;</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  ref.<a class="code" href="structvpx__ref__frame.html#a7fbe51de592d0ff16d9fbd4d2b367c9b">frame_type</a> = VP8_LAST_FRAME;</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  ref.<a class="code" href="structvpx__ref__frame.html#a972d24d0243f51f84eef7e1b79c6c414">img</a> = raw;</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="comment">// Set reference frame in encoder.</span></div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">if</span> (<a class="code" href="group__codec.html#gac1b91e04698c1bd4c0a2b8aa85b08cd2">vpx_codec_control</a>(&ecodec, <a class="code" href="group__vp8.html#gga8cadbc8e0af3da96ef7a2dbd4ed06599a7abc38d739a5ef49c36d9b2cd88e64a6">VP8_SET_REFERENCE</a>, &ref))</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  die_codec(&ecodec, <span class="stringliteral">"Failed to set reference frame"</span>);</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  printf(<span class="stringliteral">" <SET_REF>"</span>);</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>  <span class="comment">// If set_reference in decoder is commented out, the enc/dec mismatch</span></div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="comment">// would be seen.</span></div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">if</span> (test_decode) {</div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">if</span> (<a class="code" href="group__codec.html#gac1b91e04698c1bd4c0a2b8aa85b08cd2">vpx_codec_control</a>(&dcodec, <a class="code" href="group__vp8.html#gga8cadbc8e0af3da96ef7a2dbd4ed06599a7abc38d739a5ef49c36d9b2cd88e64a6">VP8_SET_REFERENCE</a>, &ref))</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  die_codec(&dcodec, <span class="stringliteral">"Failed to set reference frame"</span>);</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  }</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  }</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>  encode_frame(&ecodec, &raw, frame_in, writer, test_decode, &dcodec,</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  &frame_out, &mismatch_seen);</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  frame_in++;</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordflow">if</span> (mismatch_seen) <span class="keywordflow">break</span>;</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  }</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="comment">// Flush encoder.</span></div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">if</span> (!mismatch_seen)</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">while</span> (encode_frame(&ecodec, NULL, frame_in, writer, test_decode, &dcodec,</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  &frame_out, &mismatch_seen)) {</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> </div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  printf(<span class="stringliteral">"\n"</span>);</div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  fclose(infile);</div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  printf(<span class="stringliteral">"Processed %d frames.\n"</span>, frame_out);</div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span> </div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">if</span> (test_decode) {</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">if</span> (!mismatch_seen)</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  printf(<span class="stringliteral">"Encoder/decoder results are matching.\n"</span>);</div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  printf(<span class="stringliteral">"Encoder/decoder results are NOT matching.\n"</span>);</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span> </div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">if</span> (test_decode)</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">if</span> (<a class="code" href="group__codec.html#ga6ae21d96909660d0ac978b59a863f53b">vpx_codec_destroy</a>(&dcodec))</div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  die_codec(&dcodec, <span class="stringliteral">"Failed to destroy decoder"</span>);</div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span> </div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <a class="code" href="vpx__image_8h.html#af47ebaf286812d037425d41990d48a17">vpx_img_free</a>(&raw);</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">if</span> (<a class="code" href="group__codec.html#ga6ae21d96909660d0ac978b59a863f53b">vpx_codec_destroy</a>(&ecodec))</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  die_codec(&ecodec, <span class="stringliteral">"Failed to destroy encoder."</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>  vpx_video_writer_close(writer);</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span> </div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordflow">return</span> EXIT_SUCCESS;</div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span> }</div><div class="ttc" id="structvpx__image_html"><div class="ttname"><a href="structvpx__image.html">vpx_image</a></div><div class="ttdoc">Image Descriptor. </div><div class="ttdef"><b>Definition:</b> vpx_image.h:88</div></div>
<div class="ttc" id="vpx__decoder_8h_html"><div class="ttname"><a href="vpx__decoder_8h.html">vpx_decoder.h</a></div><div class="ttdoc">Describes the decoder algorithm interface to applications. </div></div>
<div class="ttc" id="vpx__encoder_8h_html"><div class="ttname"><a href="vpx__encoder_8h.html">vpx_encoder.h</a></div><div class="ttdoc">Describes the encoder algorithm interface to applications. </div></div>
<div class="ttc" id="group__codec_html_ga9eee39f450d8cdcf5aba0e2bda6e5aa8"><div class="ttname"><a href="group__codec.html#ga9eee39f450d8cdcf5aba0e2bda6e5aa8">vpx_codec_iface_name</a></div><div class="ttdeci">const char * vpx_codec_iface_name(vpx_codec_iface_t *iface)</div><div class="ttdoc">Return the name for a given interface. </div></div>
<div class="ttc" id="structvpx__codec__enc__cfg_html_a6498d378e4c29ef3e22258289e481087"><div class="ttname"><a href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087">vpx_codec_enc_cfg::g_timebase</a></div><div class="ttdeci">struct vpx_rational g_timebase</div><div class="ttdoc">Stream timebase units. </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:357</div></div>
<div class="ttc" id="structvpx__rational_html_a29dd2ab4001377b3aa21885ef969759f"><div class="ttname"><a href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">vpx_rational::den</a></div><div class="ttdeci">int den</div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:231</div></div>
<div class="ttc" id="group__encoder_html_gaf990542e2aeb389f05fae3e9c7803639"><div class="ttname"><a href="group__encoder.html#gaf990542e2aeb389f05fae3e9c7803639">vpx_codec_encode</a></div><div class="ttdeci">vpx_codec_err_t vpx_codec_encode(vpx_codec_ctx_t *ctx, const vpx_image_t *img, vpx_codec_pts_t pts, unsigned long duration, vpx_enc_frame_flags_t flags, unsigned long deadline)</div><div class="ttdoc">Encode a frame. </div></div>
<div class="ttc" id="structvpx__codec__enc__cfg_html_a992668d9e30305f3f7ab2672ea31a890"><div class="ttname"><a href="structvpx__codec__enc__cfg.html#a992668d9e30305f3f7ab2672ea31a890">vpx_codec_enc_cfg::g_lag_in_frames</a></div><div class="ttdeci">unsigned int g_lag_in_frames</div><div class="ttdoc">Allow lagged encoding. </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:386</div></div>
<div class="ttc" id="structvpx__codec__enc__cfg_html"><div class="ttname"><a href="structvpx__codec__enc__cfg.html">vpx_codec_enc_cfg</a></div><div class="ttdoc">Encoder configuration structure. </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:279</div></div>
<div class="ttc" id="vpx__image_8h_html_a08171c4636c655e1ab0b76e06219f9e2"><div class="ttname"><a href="vpx__image_8h.html#a08171c4636c655e1ab0b76e06219f9e2">VPX_PLANE_Y</a></div><div class="ttdeci">#define VPX_PLANE_Y</div><div class="ttdef"><b>Definition:</b> vpx_image.h:112</div></div>
<div class="ttc" id="structvpx__codec__cx__pkt_html"><div class="ttname"><a href="structvpx__codec__cx__pkt.html">vpx_codec_cx_pkt</a></div><div class="ttdoc">Encoder output packet. </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:170</div></div>
<div class="ttc" id="vpx__image_8h_html_aca9436ec761457cc6d2e356e0ac2fd23"><div class="ttname"><a href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a></div><div class="ttdeci">#define VPX_PLANE_V</div><div class="ttdef"><b>Definition:</b> vpx_image.h:114</div></div>
<div class="ttc" id="structvpx__image_html_a1e3d9b699d46ca32e3916d1ac635a4a2"><div class="ttname"><a href="structvpx__image.html#a1e3d9b699d46ca32e3916d1ac635a4a2">vpx_image::y_chroma_shift</a></div><div class="ttdeci">unsigned int y_chroma_shift</div><div class="ttdef"><b>Definition:</b> vpx_image.h:108</div></div>
<div class="ttc" id="structvpx__image_html_affaf210489dcefebd90b87fd5f12dc0b"><div class="ttname"><a href="structvpx__image.html#affaf210489dcefebd90b87fd5f12dc0b">vpx_image::x_chroma_shift</a></div><div class="ttdeci">unsigned int x_chroma_shift</div><div class="ttdef"><b>Definition:</b> vpx_image.h:107</div></div>
<div class="ttc" id="structvpx__codec__cx__pkt_html_a81e33bf4408a3983abb16492fee359ff"><div class="ttname"><a href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">vpx_codec_cx_pkt::frame</a></div><div class="ttdeci">struct vpx_codec_cx_pkt::@1::@2 frame</div></div>
<div class="ttc" id="vpx__image_8h_html_ab80398f28ca880368a922fa979eb66c1"><div class="ttname"><a href="vpx__image_8h.html#ab80398f28ca880368a922fa979eb66c1">vpx_img_alloc</a></div><div class="ttdeci">vpx_image_t * vpx_img_alloc(vpx_image_t *img, vpx_img_fmt_t fmt, unsigned int d_w, unsigned int d_h, unsigned int align)</div><div class="ttdoc">Open a descriptor, allocating storage for the underlying image. </div></div>
<div class="ttc" id="vpx__image_8h_html_a7a30a7bff7400fb83ad45fede5077193af17ce49c9a6efd7c8c8ea8928d4ce26c"><div class="ttname"><a href="vpx__image_8h.html#a7a30a7bff7400fb83ad45fede5077193af17ce49c9a6efd7c8c8ea8928d4ce26c">VPX_IMG_FMT_I420</a></div><div class="ttdef"><b>Definition:</b> vpx_image.h:55</div></div>
<div class="ttc" id="structvpx__image_html_a806bf23143bf00a0b3fdbd6ba030c483"><div class="ttname"><a href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">vpx_image::d_w</a></div><div class="ttdeci">unsigned int d_w</div><div class="ttdef"><b>Definition:</b> vpx_image.h:99</div></div>
<div class="ttc" id="group__decoder_html_ga8c2f0b12f1bd4927eb3c68b01eab19d3"><div class="ttname"><a href="group__decoder.html#ga8c2f0b12f1bd4927eb3c68b01eab19d3">vpx_codec_dec_init</a></div><div class="ttdeci">#define vpx_codec_dec_init(ctx, iface, cfg, flags)</div><div class="ttdoc">Convenience macro for vpx_codec_dec_init_ver() </div><div class="ttdef"><b>Definition:</b> vpx_decoder.h:144</div></div>
<div class="ttc" id="structvp9__ref__frame_html_ab8d92d960007586ea7c8cd9306e98db2"><div class="ttname"><a href="structvp9__ref__frame.html#ab8d92d960007586ea7c8cd9306e98db2">vp9_ref_frame::img</a></div><div class="ttdeci">vpx_image_t img</div><div class="ttdef"><b>Definition:</b> vp8.h:121</div></div>
<div class="ttc" id="structvpx__codec__enc__cfg_html_a5c165f5b41ca1158f2883983a2b7709c"><div class="ttname"><a href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">vpx_codec_enc_cfg::g_w</a></div><div class="ttdeci">unsigned int g_w</div><div class="ttdoc">Width of the frame. </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:318</div></div>
<div class="ttc" id="group__decoder_html_ga3441e157a7a69108bca9a069f2ee8e0d"><div class="ttname"><a href="group__decoder.html#ga3441e157a7a69108bca9a069f2ee8e0d">vpx_codec_decode</a></div><div class="ttdeci">vpx_codec_err_t vpx_codec_decode(vpx_codec_ctx_t *ctx, const uint8_t *data, unsigned int data_sz, void *user_priv, long deadline)</div><div class="ttdoc">Decode data. </div></div>
<div class="ttc" id="structvpx__codec__enc__cfg_html_a4132bd89ce85bce7c08f2cc3b6f2b82e"><div class="ttname"><a href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">vpx_codec_enc_cfg::g_h</a></div><div class="ttdeci">unsigned int g_h</div><div class="ttdoc">Height of the frame. </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:327</div></div>
<div class="ttc" id="structvpx__image_html_ac9c7b83e3eea44cb680956f90dc789cf"><div class="ttname"><a href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">vpx_image::stride</a></div><div class="ttdeci">int stride[4]</div><div class="ttdef"><b>Definition:</b> vpx_image.h:117</div></div>
<div class="ttc" id="structvpx__codec__cx__pkt_html_a41f395b39516343c1329a4a85a0084f2"><div class="ttname"><a href="structvpx__codec__cx__pkt.html#a41f395b39516343c1329a4a85a0084f2">vpx_codec_cx_pkt::kind</a></div><div class="ttdeci">enum vpx_codec_cx_pkt_kind kind</div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:171</div></div>
<div class="ttc" id="group__codec_html_ggada1084710837ad363b92f2379dd2b8d2af1dcde74b1c5ff7b29f31246dfd90986"><div class="ttname"><a href="group__codec.html#ggada1084710837ad363b92f2379dd2b8d2af1dcde74b1c5ff7b29f31246dfd90986">VPX_CODEC_OK</a></div><div class="ttdoc">Operation completed without error. </div><div class="ttdef"><b>Definition:</b> vpx_codec.h:92</div></div>
<div class="ttc" id="vpx__image_8h_html_af47ebaf286812d037425d41990d48a17"><div class="ttname"><a href="vpx__image_8h.html#af47ebaf286812d037425d41990d48a17">vpx_img_free</a></div><div class="ttdeci">void vpx_img_free(vpx_image_t *img)</div><div class="ttdoc">Close an image descriptor. </div></div>
<div class="ttc" id="structvpx__image_html_a1d734f8afa9200a21c2d9f6bcf8c04d8"><div class="ttname"><a href="structvpx__image.html#a1d734f8afa9200a21c2d9f6bcf8c04d8">vpx_image::fmt</a></div><div class="ttdeci">vpx_img_fmt_t fmt</div><div class="ttdef"><b>Definition:</b> vpx_image.h:89</div></div>
<div class="ttc" id="structvpx__image_html_ab6258308ba7a5f4a113348120e20e2ce"><div class="ttname"><a href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">vpx_image::planes</a></div><div class="ttdeci">unsigned char * planes[4]</div><div class="ttdef"><b>Definition:</b> vpx_image.h:116</div></div>
<div class="ttc" id="structvpx__codec__enc__cfg_html_ab8339685175d66710f482706cc9f0aed"><div class="ttname"><a href="structvpx__codec__enc__cfg.html#ab8339685175d66710f482706cc9f0aed">vpx_codec_enc_cfg::rc_target_bitrate</a></div><div class="ttdeci">unsigned int rc_target_bitrate</div><div class="ttdoc">Target data rate. </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:477</div></div>
<div class="ttc" id="structvpx__rational_html_ae7774f21a22c9bef3aa73156c79f4731"><div class="ttname"><a href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">vpx_rational::num</a></div><div class="ttdeci">int num</div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:230</div></div>
<div class="ttc" id="group__encoder_html_ga5d00a9f9e10b9f49ca91e72c1f01c9fd"><div class="ttname"><a href="group__encoder.html#ga5d00a9f9e10b9f49ca91e72c1f01c9fd">VPX_DL_GOOD_QUALITY</a></div><div class="ttdeci">#define VPX_DL_GOOD_QUALITY</div><div class="ttdoc">deadline parameter analogous to VPx GOOD QUALITY mode. </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:851</div></div>
<div class="ttc" id="structvpx__ref__frame_html_a972d24d0243f51f84eef7e1b79c6c414"><div class="ttname"><a href="structvpx__ref__frame.html#a972d24d0243f51f84eef7e1b79c6c414">vpx_ref_frame::img</a></div><div class="ttdeci">vpx_image_t img</div><div class="ttdef"><b>Definition:</b> vp8.h:112</div></div>
<div class="ttc" id="vp8cx_8h_html"><div class="ttname"><a href="vp8cx_8h.html">vp8cx.h</a></div><div class="ttdoc">Provides definitions for using VP8 or VP9 encoder algorithm within the vpx Codec Interface. </div></div>
<div class="ttc" id="vpx__image_8h_html_a4770fc8fa60021a2229f25553152cf81"><div class="ttname"><a href="vpx__image_8h.html#a4770fc8fa60021a2229f25553152cf81">VPX_PLANE_U</a></div><div class="ttdeci">#define VPX_PLANE_U</div><div class="ttdef"><b>Definition:</b> vpx_image.h:113</div></div>
<div class="ttc" id="group__encoder_html_ga3d490a2a9a6acd7c9ef82a603155f3cf"><div class="ttname"><a href="group__encoder.html#ga3d490a2a9a6acd7c9ef82a603155f3cf">vpx_codec_enc_init</a></div><div class="ttdeci">#define vpx_codec_enc_init(ctx, iface, cfg, flags)</div><div class="ttdoc">Convenience macro for vpx_codec_enc_init_ver() </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:760</div></div>
<div class="ttc" id="group__codec_html_gada1084710837ad363b92f2379dd2b8d2"><div class="ttname"><a href="group__codec.html#gada1084710837ad363b92f2379dd2b8d2">vpx_codec_err_t</a></div><div class="ttdeci">vpx_codec_err_t</div><div class="ttdoc">Algorithm return codes. </div><div class="ttdef"><b>Definition:</b> vpx_codec.h:90</div></div>
<div class="ttc" id="group__encoder_html_gae81cab25d66cf3bc59f1f75f8a5af720"><div class="ttname"><a href="group__encoder.html#gae81cab25d66cf3bc59f1f75f8a5af720">vpx_codec_get_cx_data</a></div><div class="ttdeci">const vpx_codec_cx_pkt_t * vpx_codec_get_cx_data(vpx_codec_ctx_t *ctx, vpx_codec_iter_t *iter)</div><div class="ttdoc">Encoded data iterator. </div></div>
<div class="ttc" id="structvpx__codec__cx__pkt_html_a7f97b060a23b7e89fe5b885c0074f696"><div class="ttname"><a href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">vpx_codec_cx_pkt::data</a></div><div class="ttdeci">union vpx_codec_cx_pkt::@1 data</div></div>
<div class="ttc" id="structvp9__ref__frame_html"><div class="ttname"><a href="structvp9__ref__frame.html">vp9_ref_frame</a></div><div class="ttdoc">VP9 specific reference frame data struct. </div><div class="ttdef"><b>Definition:</b> vp8.h:119</div></div>
<div class="ttc" id="group__encoder_html_ga6cf8d0bbb663cd4df3a78d9eeb3bfb0e"><div class="ttname"><a href="group__encoder.html#ga6cf8d0bbb663cd4df3a78d9eeb3bfb0e">vpx_codec_enc_config_default</a></div><div class="ttdeci">vpx_codec_err_t vpx_codec_enc_config_default(vpx_codec_iface_t *iface, vpx_codec_enc_cfg_t *cfg, unsigned int reserved)</div><div class="ttdoc">Get a default configuration. </div></div>
<div class="ttc" id="group__vp8__encoder_html_gga6deae3d561c838952552c3d3756322eca24a5530efabb8b4949d01622b1d72cb0"><div class="ttname"><a href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca24a5530efabb8b4949d01622b1d72cb0">VP8E_SET_ENABLEAUTOALTREF</a></div><div class="ttdoc">Codec control function to enable automatic set and use alf frames. </div><div class="ttdef"><b>Definition:</b> vp8cx.h:161</div></div>
<div class="ttc" id="structvpx__ref__frame_html"><div class="ttname"><a href="structvpx__ref__frame.html">vpx_ref_frame</a></div><div class="ttdoc">reference frame data struct </div><div class="ttdef"><b>Definition:</b> vp8.h:110</div></div>
<div class="ttc" id="structvpx__ref__frame_html_a7fbe51de592d0ff16d9fbd4d2b367c9b"><div class="ttname"><a href="structvpx__ref__frame.html#a7fbe51de592d0ff16d9fbd4d2b367c9b">vpx_ref_frame::frame_type</a></div><div class="ttdeci">vpx_ref_frame_type_t frame_type</div><div class="ttdef"><b>Definition:</b> vp8.h:111</div></div>
<div class="ttc" id="structvp9__ref__frame_html_a26e0d119a61c29b72c6ccb91748b6b82"><div class="ttname"><a href="structvp9__ref__frame.html#a26e0d119a61c29b72c6ccb91748b6b82">vp9_ref_frame::idx</a></div><div class="ttdeci">int idx</div><div class="ttdef"><b>Definition:</b> vp8.h:120</div></div>
<div class="ttc" id="group__codec_html_gac1b91e04698c1bd4c0a2b8aa85b08cd2"><div class="ttname"><a href="group__codec.html#gac1b91e04698c1bd4c0a2b8aa85b08cd2">vpx_codec_control</a></div><div class="ttdeci">#define vpx_codec_control(ctx, id, data)</div><div class="ttdoc">vpx_codec_control wrapper macro </div><div class="ttdef"><b>Definition:</b> vpx_codec.h:404</div></div>
<div class="ttc" id="group__codec_html_ga6ae21d96909660d0ac978b59a863f53b"><div class="ttname"><a href="group__codec.html#ga6ae21d96909660d0ac978b59a863f53b">vpx_codec_destroy</a></div><div class="ttdeci">vpx_codec_err_t vpx_codec_destroy(vpx_codec_ctx_t *ctx)</div><div class="ttdoc">Destroy a codec instance. </div></div>
<div class="ttc" id="structvpx__image_html_a31bc5f045d4f3c2b6bb0f57bb53078e7"><div class="ttname"><a href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">vpx_image::d_h</a></div><div class="ttdeci">unsigned int d_h</div><div class="ttdef"><b>Definition:</b> vpx_image.h:100</div></div>
<div class="ttc" id="group__vp8_html_gga8cadbc8e0af3da96ef7a2dbd4ed06599a91e44472b21c720a9a7d087c7226d083"><div class="ttname"><a href="group__vp8.html#gga8cadbc8e0af3da96ef7a2dbd4ed06599a91e44472b21c720a9a7d087c7226d083">VP9_GET_REFERENCE</a></div><div class="ttdef"><b>Definition:</b> vp8.h:59</div></div>
<div class="ttc" id="group__encoder_html_ga7a896eb3bc74f33419e6a9812c60e4c9"><div class="ttname"><a href="group__encoder.html#ga7a896eb3bc74f33419e6a9812c60e4c9">VPX_FRAME_IS_KEY</a></div><div class="ttdeci">#define VPX_FRAME_IS_KEY</div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:122</div></div>
<div class="ttc" id="group__codec_html_ga6ea348f76b1f8a1fe50e14db684146c6"><div class="ttname"><a href="group__codec.html#ga6ea348f76b1f8a1fe50e14db684146c6">vpx_codec_iter_t</a></div><div class="ttdeci">const void * vpx_codec_iter_t</div><div class="ttdoc">Iterator. </div><div class="ttdef"><b>Definition:</b> vpx_codec.h:187</div></div>
<div class="ttc" id="group__encoder_html_gga28a79375279536526552af3a83d2ed72a2261aae5594289400e812fb1e6b6b0cc"><div class="ttname"><a href="group__encoder.html#gga28a79375279536526552af3a83d2ed72a2261aae5594289400e812fb1e6b6b0cc">VPX_CODEC_CX_FRAME_PKT</a></div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:153</div></div>
<div class="ttc" id="group__encoder_html_gafb9f7dbf9b8a764c521d8b12c0e6959d"><div class="ttname"><a href="group__encoder.html#gafb9f7dbf9b8a764c521d8b12c0e6959d">VPX_FRAME_IS_FRAGMENT</a></div><div class="ttdeci">#define VPX_FRAME_IS_FRAGMENT</div><div class="ttdoc">this is a fragment of the encoded frame </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:129</div></div>
<div class="ttc" id="group__vp8_html_gga8cadbc8e0af3da96ef7a2dbd4ed06599a7abc38d739a5ef49c36d9b2cd88e64a6"><div class="ttname"><a href="group__vp8.html#gga8cadbc8e0af3da96ef7a2dbd4ed06599a7abc38d739a5ef49c36d9b2cd88e64a6">VP8_SET_REFERENCE</a></div><div class="ttdoc">pass in an external frame into decoder to be used as reference frame </div><div class="ttdef"><b>Definition:</b> vp8.h:47</div></div>
<div class="ttc" id="structvpx__codec__ctx_html"><div class="ttname"><a href="structvpx__codec__ctx.html">vpx_codec_ctx</a></div><div class="ttdoc">Codec context structure. </div><div class="ttdef"><b>Definition:</b> vpx_codec.h:197</div></div>
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