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<div class="title">vp9_spatial_scalable_encoder </div> </div>
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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) 2012 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">/*</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * This is an example demonstrating how to implement a multi-layer</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * VP9 encoding scheme based on spatial scalability for video applications</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * that benefit from a scalable bitstream.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <stdarg.h></span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <stdlib.h></span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <string.h></span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <time.h></span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "./args.h"</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "vpx/svc_context.h"</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="vp8cx_8h.html">vpx/vp8cx.h</a>"</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</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="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#define VP90_FOURCC 0x30395056</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">struct </span>arg_enum_list encoding_mode_enum[] = {</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  {<span class="stringliteral">"i"</span>, INTER_LAYER_PREDICTION_I},</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  {<span class="stringliteral">"alt-ip"</span>, ALT_INTER_LAYER_PREDICTION_IP},</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  {<span class="stringliteral">"ip"</span>, INTER_LAYER_PREDICTION_IP},</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  {<span class="stringliteral">"gf"</span>, USE_GOLDEN_FRAME},</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  {NULL, 0}</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> };</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t encoding_mode_arg = ARG_DEF_ENUM(</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="stringliteral">"m"</span>, <span class="stringliteral">"encoding-mode"</span>, 1, <span class="stringliteral">"Encoding mode algorithm"</span>, encoding_mode_enum);</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t skip_frames_arg =</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  ARG_DEF(<span class="stringliteral">"s"</span>, <span class="stringliteral">"skip-frames"</span>, 1, <span class="stringliteral">"input frames to skip"</span>);</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t frames_arg =</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  ARG_DEF(<span class="stringliteral">"f"</span>, <span class="stringliteral">"frames"</span>, 1, <span class="stringliteral">"number of frames to encode"</span>);</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t width_arg = ARG_DEF(<span class="stringliteral">"w"</span>, <span class="stringliteral">"width"</span>, 1, <span class="stringliteral">"source width"</span>);</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t height_arg = ARG_DEF(<span class="stringliteral">"h"</span>, <span class="stringliteral">"height"</span>, 1, <span class="stringliteral">"source height"</span>);</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t timebase_arg =</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  ARG_DEF(<span class="stringliteral">"t"</span>, <span class="stringliteral">"timebase"</span>, 1, <span class="stringliteral">"timebase (num/den)"</span>);</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t bitrate_arg = ARG_DEF(</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="stringliteral">"b"</span>, <span class="stringliteral">"target-bitrate"</span>, 1, <span class="stringliteral">"encoding bitrate, in kilobits per second"</span>);</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t layers_arg =</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  ARG_DEF(<span class="stringliteral">"l"</span>, <span class="stringliteral">"layers"</span>, 1, <span class="stringliteral">"number of SVC layers"</span>);</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t kf_dist_arg =</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  ARG_DEF(<span class="stringliteral">"k"</span>, <span class="stringliteral">"kf-dist"</span>, 1, <span class="stringliteral">"number of frames between keyframes"</span>);</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t scale_factors_arg =</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  ARG_DEF(<span class="stringliteral">"r"</span>, <span class="stringliteral">"scale-factors"</span>, 1, <span class="stringliteral">"scale factors (lowest to highest layer)"</span>);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t quantizers_arg =</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  ARG_DEF(<span class="stringliteral">"q"</span>, <span class="stringliteral">"quantizers"</span>, 1, <span class="stringliteral">"quantizers (lowest to highest layer)"</span>);</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t dummy_frame_arg =</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  ARG_DEF(<span class="stringliteral">"z"</span>, <span class="stringliteral">"dummy-frame"</span>, 1, <span class="stringliteral">"make first frame blank and full size"</span>);</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t *svc_args[] = {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  &encoding_mode_arg, &frames_arg, &width_arg, &height_arg,</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  &timebase_arg, &bitrate_arg, &skip_frames_arg, &layers_arg,</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  &kf_dist_arg, &scale_factors_arg, &quantizers_arg, &dummy_frame_arg,</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  NULL</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> };</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">static</span> <span class="keyword">const</span> SVC_ENCODING_MODE default_encoding_mode =</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  INTER_LAYER_PREDICTION_IP;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">static</span> <span class="keyword">const</span> uint32_t default_frames_to_skip = 0;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">static</span> <span class="keyword">const</span> uint32_t default_frames_to_code = 60 * 60;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">static</span> <span class="keyword">const</span> uint32_t default_width = 1920;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">static</span> <span class="keyword">const</span> uint32_t default_height = 1080;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">static</span> <span class="keyword">const</span> uint32_t default_timebase_num = 1;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keyword">static</span> <span class="keyword">const</span> uint32_t default_timebase_den = 60;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">static</span> <span class="keyword">const</span> uint32_t default_bitrate = 1000;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">static</span> <span class="keyword">const</span> uint32_t default_spatial_layers = 5;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="keyword">static</span> <span class="keyword">const</span> uint32_t default_kf_dist = 100;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> default_use_dummy_frame = 1;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordtype">char</span> *input_filename;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordtype">char</span> *output_filename;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  uint32_t frames_to_code;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  uint32_t frames_to_skip;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> } AppInput;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="keyword">static</span> <span class="keywordtype">void</span> mem_put_le16(<span class="keywordtype">char</span> *mem, uint32_t val) {</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  mem[0] = val;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  mem[1] = val >> 8;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> }</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">static</span> <span class="keywordtype">void</span> mem_put_le32(<span class="keywordtype">char</span> *mem, uint32_t val) {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  mem[0] = val;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  mem[1] = val >> 8;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  mem[2] = val >> 16;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  mem[3] = val >> 24;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> }</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="keyword">static</span> <span class="keywordtype">void</span> usage(<span class="keyword">const</span> <span class="keywordtype">char</span> *exec_name) {</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  fprintf(stderr, <span class="stringliteral">"Usage: %s <options> input_filename output_filename\n"</span>,</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  exec_name);</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  fprintf(stderr, <span class="stringliteral">"Options:\n"</span>);</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  arg_show_usage(stderr, svc_args);</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  exit(EXIT_FAILURE);</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> }</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keywordtype">void</span> die(<span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, ...) {</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  va_list ap;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  va_start(ap, fmt);</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  vfprintf(stderr, fmt, ap);</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span> (fmt[strlen(fmt) - 1] != <span class="charliteral">'\n'</span>) printf(<span class="stringliteral">"\n"</span>);</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  exit(EXIT_FAILURE);</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> }</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">static</span> <span class="keywordtype">void</span> die_codec(<a class="code" href="structvpx__codec__ctx.html">vpx_codec_ctx_t</a> *ctx, <span class="keyword">const</span> <span class="keywordtype">char</span> *s) {</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *detail = <a class="code" href="group__codec.html#ga29273cb552ed1a437fe263c4a0a54300">vpx_codec_error_detail</a>(ctx);</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  printf(<span class="stringliteral">"%s: %s\n"</span>, s, <a class="code" href="group__codec.html#ga4d265df00d42b36a4f0e3eb83fc22c5e">vpx_codec_error</a>(ctx));</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> (detail) printf(<span class="stringliteral">" %s\n"</span>, detail);</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  exit(EXIT_FAILURE);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> }</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="keyword">static</span> <span class="keywordtype">int</span> read_frame(FILE *f, <a class="code" href="structvpx__image.html">vpx_image_t</a> *img) {</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordtype">size_t</span> nbytes;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">int</span> res = 1;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">int</span> plane;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">for</span> (plane = 0; plane < 3; ++plane) {</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  uint8_t *ptr;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> w = (plane ? (1 + img-><a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a>) / 2 : img-><a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a>);</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> h = (plane ? (1 + img-><a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a>) / 2 : img-><a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a>);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">int</span> r;</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>  <span class="keywordflow">switch</span> (plane) {</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">case</span> 1:</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  ptr = img-><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="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">case</span> 2:</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  ptr = img-><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="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  ptr = img-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[plane];</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="keywordflow">for</span> (r = 0; r < h; ++r) {</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> to_read = w;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  nbytes = fread(ptr, 1, to_read, f);</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> (nbytes != to_read) {</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  res = 0;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span> (nbytes > 0)</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  printf(<span class="stringliteral">"Warning: Read partial frame. Check your width & height!\n"</span>);</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  ptr += img-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[plane];</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">if</span> (!res) <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">return</span> res;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> }</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="keyword">static</span> <span class="keywordtype">int</span> create_dummy_frame(<a class="code" href="structvpx__image.html">vpx_image_t</a> *img) {</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> buf_size = img-><a class="code" href="structvpx__image.html#ac7b7d569142f878155b28141653adcd6">w</a> * img-><a class="code" href="structvpx__image.html#a9d1070804dfe08cd5becd68d597fee69">h</a> * 3 / 2;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  memset(img-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[0], 129, buf_size);</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">return</span> 1;</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> </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">static</span> <span class="keywordtype">void</span> write_ivf_file_header(FILE *outfile,</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  uint32_t width, uint32_t height,</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordtype">int</span> timebase_num, <span class="keywordtype">int</span> timebase_den,</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordtype">int</span> frame_cnt) {</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordtype">char</span> header[32];</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  header[0] = <span class="charliteral">'D'</span>;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  header[1] = <span class="charliteral">'K'</span>;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  header[2] = <span class="charliteral">'I'</span>;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  header[3] = <span class="charliteral">'F'</span>;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  mem_put_le16(header + 4, 0); <span class="comment">/* version */</span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  mem_put_le16(header + 6, 32); <span class="comment">/* headersize */</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  mem_put_le32(header + 8, VP90_FOURCC); <span class="comment">/* fourcc */</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  mem_put_le16(header + 12, width); <span class="comment">/* width */</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  mem_put_le16(header + 14, height); <span class="comment">/* height */</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  mem_put_le32(header + 16, timebase_den); <span class="comment">/* rate */</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  mem_put_le32(header + 20, timebase_num); <span class="comment">/* scale */</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  mem_put_le32(header + 24, frame_cnt); <span class="comment">/* length */</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  mem_put_le32(header + 28, 0); <span class="comment">/* unused */</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>  (void)fwrite(header, 1, 32, outfile);</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> <span class="keyword">static</span> <span class="keywordtype">void</span> write_ivf_frame_header(FILE *outfile, <a class="code" href="group__encoder.html#ga7e711b0a71c65aef8f0faea8bd57b05f">vpx_codec_pts_t</a> pts,</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordtype">size_t</span> sz) {</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordtype">char</span> header[12];</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  mem_put_le32(header, (uint32_t)sz);</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  mem_put_le32(header + 4, pts & 0xFFFFFFFF);</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  mem_put_le32(header + 8, pts >> 32);</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  (void)fwrite(header, 1, 12, outfile);</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> }</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="keyword">static</span> <span class="keywordtype">void</span> parse_command_line(<span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span> **argv_,</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  AppInput *app_input, SvcContext *svc_ctx,</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <a class="code" href="structvpx__codec__enc__cfg.html">vpx_codec_enc_cfg_t</a> *enc_cfg) {</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keyword">struct </span>arg arg;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordtype">char</span> **argv, **argi, **argj;</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <a class="code" href="group__codec.html#gada1084710837ad363b92f2379dd2b8d2">vpx_codec_err_t</a> res;</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="comment">// initialize SvcContext with parameters that will be passed to vpx_svc_init</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  svc_ctx->log_level = SVC_LOG_DEBUG;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  svc_ctx->spatial_layers = default_spatial_layers;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  svc_ctx->encoding_mode = default_encoding_mode;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="comment">// when using a dummy frame, that frame is only encoded to be full size</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  svc_ctx->first_frame_full_size = default_use_dummy_frame;</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>  <span class="comment">// start with default encoder configuration</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  res = <a class="code" href="group__encoder.html#ga9ab8c79623312e9c5d5405d66a788f59">vpx_codec_enc_config_default</a>(vpx_codec_vp9_cx(), enc_cfg, 0);</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">if</span> (res) {</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  die(<span class="stringliteral">"Failed to get config: %s\n"</span>, <a class="code" href="group__codec.html#gaaddf5c1f609ef18c7c8800d102fcefa6">vpx_codec_err_to_string</a>(res));</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  }</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// update enc_cfg with app default values</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">g_w</a> = default_width;</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a> = default_height;</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087">g_timebase</a>.<a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a> = default_timebase_num;</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087">g_timebase</a>.<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a> = default_timebase_den;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#ab8339685175d66710f482706cc9f0aed">rc_target_bitrate</a> = default_bitrate;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a0a7b5444ecb09745cbe8d5af17553846">kf_min_dist</a> = default_kf_dist;</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#ae018440136e271743376730413d25a9b">kf_max_dist</a> = default_kf_dist;</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="comment">// initialize AppInput with default values</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  app_input->frames_to_code = default_frames_to_code;</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  app_input->frames_to_skip = default_frames_to_skip;</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> </div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="comment">// process command line options</span></div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  argv = argv_dup(argc - 1, argv_ + 1);</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">for</span> (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  arg.argv_step = 1;</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">if</span> (arg_match(&arg, &encoding_mode_arg, argi)) {</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  svc_ctx->encoding_mode = arg_parse_enum_or_int(&arg);</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &frames_arg, argi)) {</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  app_input->frames_to_code = arg_parse_uint(&arg);</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &width_arg, argi)) {</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">g_w</a> = arg_parse_uint(&arg);</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &height_arg, argi)) {</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a> = arg_parse_uint(&arg);</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &height_arg, argi)) {</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a> = arg_parse_uint(&arg);</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &timebase_arg, argi)) {</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087">g_timebase</a> = arg_parse_rational(&arg);</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &bitrate_arg, argi)) {</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#ab8339685175d66710f482706cc9f0aed">rc_target_bitrate</a> = arg_parse_uint(&arg);</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &skip_frames_arg, argi)) {</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  app_input->frames_to_skip = arg_parse_uint(&arg);</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &layers_arg, argi)) {</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  svc_ctx->spatial_layers = arg_parse_uint(&arg);</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &kf_dist_arg, argi)) {</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a0a7b5444ecb09745cbe8d5af17553846">kf_min_dist</a> = arg_parse_uint(&arg);</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#ae018440136e271743376730413d25a9b">kf_max_dist</a> = enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a0a7b5444ecb09745cbe8d5af17553846">kf_min_dist</a>;</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &scale_factors_arg, argi)) {</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  vpx_svc_set_scale_factors(svc_ctx, arg.val);</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &quantizers_arg, argi)) {</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  vpx_svc_set_quantizers(svc_ctx, arg.val);</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &dummy_frame_arg, argi)) {</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  svc_ctx->first_frame_full_size = arg_parse_int(&arg);</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  ++argj;</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>  <span class="comment">// Check for unrecognized options</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">for</span> (argi = argv; *argi; ++argi)</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">if</span> (argi[0][0] == <span class="charliteral">'-'</span> && strlen(argi[0]) > 1)</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  die(<span class="stringliteral">"Error: Unrecognized option %s\n"</span>, *argi);</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">if</span> (argv[0] == NULL || argv[1] == 0) {</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  usage(argv_[0]);</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>  app_input->input_filename = argv[0];</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  app_input->output_filename = argv[1];</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  free(argv);</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> </div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">if</span> (enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">g_w</a> < 16 || enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">g_w</a> % 2 || enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a> < 16 ||</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a> % 2)</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  die(<span class="stringliteral">"Invalid resolution: %d x %d\n"</span>, enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">g_w</a>, enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a>);</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> </div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  printf(</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="stringliteral">"Codec %s\nframes: %d, skip: %d\n"</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="stringliteral">"mode: %d, layers: %d\n"</span></div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="stringliteral">"width %d, height: %d,\n"</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="stringliteral">"num: %d, den: %d, bitrate: %d,\n"</span></div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="stringliteral">"gop size: %d, use_dummy_frame: %d\n"</span>,</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <a class="code" href="group__codec.html#ga9eee39f450d8cdcf5aba0e2bda6e5aa8">vpx_codec_iface_name</a>(vpx_codec_vp9_cx()), app_input->frames_to_code,</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  app_input->frames_to_skip, svc_ctx->encoding_mode,</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  svc_ctx->spatial_layers, enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">g_w</a>, enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a>,</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087">g_timebase</a>.<a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a>, enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087">g_timebase</a>.<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a>,</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#ab8339685175d66710f482706cc9f0aed">rc_target_bitrate</a>, enc_cfg-><a class="code" href="structvpx__codec__enc__cfg.html#ae018440136e271743376730413d25a9b">kf_max_dist</a>,</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  svc_ctx->first_frame_full_size);</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> }</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> </div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span> **argv) {</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  AppInput app_input = {0};</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  FILE *infile, *outfile;</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <a class="code" href="structvpx__codec__ctx.html">vpx_codec_ctx_t</a> codec;</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <a class="code" href="structvpx__codec__enc__cfg.html">vpx_codec_enc_cfg_t</a> enc_cfg;</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  SvcContext svc_ctx;</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  uint32_t i;</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  uint32_t frame_cnt = 0;</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <a class="code" href="structvpx__image.html">vpx_image_t</a> raw;</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <a class="code" href="group__codec.html#gada1084710837ad363b92f2379dd2b8d2">vpx_codec_err_t</a> res;</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordtype">int</span> pts = 0; <span class="comment">/* PTS starts at 0 */</span></div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordtype">int</span> frame_duration = 1; <span class="comment">/* 1 timebase tick per frame */</span></div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> </div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  memset(&svc_ctx, 0, <span class="keyword">sizeof</span>(svc_ctx));</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  svc_ctx.log_print = 1;</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  parse_command_line(argc, argv, &app_input, &svc_ctx, &enc_cfg);</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="comment">// Allocate image buffer</span></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</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>, enc_cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">g_w</a>, enc_cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a>, 32))</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  die(<span class="stringliteral">"Failed to allocate image %dx%d\n"</span>, enc_cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">g_w</a>, enc_cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a>);</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> </div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">if</span> (!(infile = fopen(app_input.input_filename, <span class="stringliteral">"rb"</span>)))</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  die(<span class="stringliteral">"Failed to open %s for reading\n"</span>, app_input.input_filename);</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> </div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">if</span> (!(outfile = fopen(app_input.output_filename, <span class="stringliteral">"wb"</span>)))</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  die(<span class="stringliteral">"Failed to open %s for writing\n"</span>, app_input.output_filename);</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> </div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="comment">// Initialize codec</span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">if</span> (vpx_svc_init(&svc_ctx, &codec, vpx_codec_vp9_cx(), &enc_cfg) !=</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <a class="code" href="group__codec.html#ggada1084710837ad363b92f2379dd2b8d2af1dcde74b1c5ff7b29f31246dfd90986">VPX_CODEC_OK</a>)</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  die(<span class="stringliteral">"Failed to initialize encoder\n"</span>);</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> </div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  write_ivf_file_header(outfile, enc_cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">g_w</a>, enc_cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a>,</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  enc_cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087">g_timebase</a>.<a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a>, enc_cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087">g_timebase</a>.<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a>, 0);</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>  <span class="comment">// skip initial frames</span></div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">for</span> (i = 0; i < app_input.frames_to_skip; ++i) {</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  read_frame(infile, &raw);</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  }</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> </div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="comment">// Encode frames</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">while</span> (frame_cnt <= app_input.frames_to_code) {</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">if</span> (frame_cnt == 0 && svc_ctx.first_frame_full_size) {</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  create_dummy_frame(&raw);</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">if</span> (!read_frame(infile, &raw)) <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  }</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  res = vpx_svc_encode(&svc_ctx, &codec, &raw, pts, frame_duration,</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <a class="code" href="group__encoder.html#ga04253cc9ec1146d72fa8bb86bcf32144">VPX_DL_REALTIME</a>);</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  printf(<span class="stringliteral">"%s"</span>, vpx_svc_get_message(&svc_ctx));</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordflow">if</span> (res != <a class="code" href="group__codec.html#ggada1084710837ad363b92f2379dd2b8d2af1dcde74b1c5ff7b29f31246dfd90986">VPX_CODEC_OK</a>) {</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  die_codec(&codec, <span class="stringliteral">"Failed to encode frame"</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> (vpx_svc_get_frame_size(&svc_ctx) > 0) {</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  write_ivf_frame_header(outfile, pts, vpx_svc_get_frame_size(&svc_ctx));</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  (void)fwrite(vpx_svc_get_buffer(&svc_ctx), 1,</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  vpx_svc_get_frame_size(&svc_ctx), outfile);</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>  ++frame_cnt;</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  pts += frame_duration;</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  }</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> </div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  printf(<span class="stringliteral">"Processed %d frames\n"</span>, frame_cnt - svc_ctx.first_frame_full_size);</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> </div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  fclose(infile);</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">if</span> (<a class="code" href="group__codec.html#ga6ae21d96909660d0ac978b59a863f53b">vpx_codec_destroy</a>(&codec)) die_codec(&codec, <span class="stringliteral">"Failed to destroy codec"</span>);</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> </div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="comment">// rewrite the output file headers with the actual frame count</span></div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">if</span> (!fseek(outfile, 0, SEEK_SET)) {</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  write_ivf_file_header(outfile, enc_cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">g_w</a>, enc_cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a>,</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  enc_cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087">g_timebase</a>.<a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a>, enc_cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087">g_timebase</a>.<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a>,</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  frame_cnt);</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>  fclose(outfile);</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <a class="code" href="vpx__image_8h.html#af47ebaf286812d037425d41990d48a17">vpx_img_free</a>(&raw);</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="comment">// display average size, psnr</span></div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  printf(<span class="stringliteral">"%s"</span>, vpx_svc_dump_statistics(&svc_ctx));</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>  vpx_svc_release(&svc_ctx);</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> </div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">return</span> EXIT_SUCCESS;</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</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:99</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="group__codec_html_gaaddf5c1f609ef18c7c8800d102fcefa6"><div class="ttname"><a href="group__codec.html#gaaddf5c1f609ef18c7c8800d102fcefa6">vpx_codec_err_to_string</a></div><div class="ttdeci">const char * vpx_codec_err_to_string(vpx_codec_err_t err)</div><div class="ttdoc">Convert error number to printable string. </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:345</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:224</div></div>
<div class="ttc" id="structvpx__codec__enc__cfg_html_ae018440136e271743376730413d25a9b"><div class="ttname"><a href="structvpx__codec__enc__cfg.html#ae018440136e271743376730413d25a9b">vpx_codec_enc_cfg::kf_max_dist</a></div><div class="ttdeci">unsigned int kf_max_dist</div><div class="ttdoc">Keyframe maximum interval. </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:614</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:277</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:118</div></div>
<div class="ttc" id="structvpx__codec__enc__cfg_html_a0a7b5444ecb09745cbe8d5af17553846"><div class="ttname"><a href="structvpx__codec__enc__cfg.html#a0a7b5444ecb09745cbe8d5af17553846">vpx_codec_enc_cfg::kf_min_dist</a></div><div class="ttdeci">unsigned int kf_min_dist</div><div class="ttdoc">Keyframe minimum interval. </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:604</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:56</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:107</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:320</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:330</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:128</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:91</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_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:127</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:454</div></div>
<div class="ttc" id="group__encoder_html_ga04253cc9ec1146d72fa8bb86bcf32144"><div class="ttname"><a href="group__encoder.html#ga04253cc9ec1146d72fa8bb86bcf32144">VPX_DL_REALTIME</a></div><div class="ttdeci">#define VPX_DL_REALTIME</div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:804</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:223</div></div>
<div class="ttc" id="group__encoder_html_ga9ab8c79623312e9c5d5405d66a788f59"><div class="ttname"><a href="group__encoder.html#ga9ab8c79623312e9c5d5405d66a788f59">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 usage)</div><div class="ttdoc">Get a default configuration. </div></div>
<div class="ttc" id="group__codec_html_ga29273cb552ed1a437fe263c4a0a54300"><div class="ttname"><a href="group__codec.html#ga29273cb552ed1a437fe263c4a0a54300">vpx_codec_error_detail</a></div><div class="ttdeci">const char * vpx_codec_error_detail(vpx_codec_ctx_t *ctx)</div><div class="ttdoc">Retrieve detailed error information for codec context. </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 the VP8 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:117</div></div>
<div class="ttc" id="structvpx__image_html_a9d1070804dfe08cd5becd68d597fee69"><div class="ttname"><a href="structvpx__image.html#a9d1070804dfe08cd5becd68d597fee69">vpx_image::h</a></div><div class="ttdeci">unsigned int h</div><div class="ttdef"><b>Definition:</b> vpx_image.h:104</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:89</div></div>
<div class="ttc" id="group__encoder_html_ga7e711b0a71c65aef8f0faea8bd57b05f"><div class="ttname"><a href="group__encoder.html#ga7e711b0a71c65aef8f0faea8bd57b05f">vpx_codec_pts_t</a></div><div class="ttdeci">int64_t vpx_codec_pts_t</div><div class="ttdoc">Time Stamp Type. </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:112</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:108</div></div>
<div class="ttc" id="structvpx__image_html_ac7b7d569142f878155b28141653adcd6"><div class="ttname"><a href="structvpx__image.html#ac7b7d569142f878155b28141653adcd6">vpx_image::w</a></div><div class="ttdeci">unsigned int w</div><div class="ttdef"><b>Definition:</b> vpx_image.h:103</div></div>
<div class="ttc" id="group__codec_html_ga4d265df00d42b36a4f0e3eb83fc22c5e"><div class="ttname"><a href="group__codec.html#ga4d265df00d42b36a4f0e3eb83fc22c5e">vpx_codec_error</a></div><div class="ttdeci">const char * vpx_codec_error(vpx_codec_ctx_t *ctx)</div><div class="ttdoc">Retrieve error synopsis for codec context. </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:201</div></div>
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