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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) 2010 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">// VP8 Set Active and ROI Maps</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 control the VP8 encoder's</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// ROI and Active maps.</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">//</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// ROI (Reigon of Interest) maps are a way for the application to assign</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// each macroblock in the image to a region, and then set quantizer and</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// filtering parameters on that image.</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">//</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// Active maps are a way for the application to specify on a</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// macroblock-by-macroblock basis whether there is any activity in that</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// macroblock.</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">//</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// Configuration</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// -------------</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// An ROI map is set on frame 22. If the width of the image in macroblocks</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">// is evenly divisble by 4, then the output will appear to have distinct</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// columns, where the quantizer, loopfilter, and static threshold differ</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// from column to column.</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">// An active map is set on frame 33. If the width of the image in macroblocks</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// is evenly divisble by 4, then the output will appear to have distinct</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// columns, where one column will have motion and the next will not.</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">// The active map is cleared on frame 44.</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">// Observing The Effects</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// ---------------------</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// Use the `simple_decoder` example to decode this sample, and observe</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">// the change in the image at frames 22, 33, and 44.</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include <assert.h></span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include <stdio.h></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include <stdlib.h></span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include <string.h></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 "<a class="code" href="vp8cx_8h.html">vpx/vp8cx.h</a>"</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</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="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include "../tools_common.h"</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#include "../video_writer.h"</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *exec_name;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keywordtype">void</span> usage_exit(<span class="keywordtype">void</span>) {</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  fprintf(stderr, <span class="stringliteral">"Usage: %s <codec> <width> <height> <infile> <outfile>\n"</span>,</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  exec_name);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  exit(EXIT_FAILURE);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> }</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="keyword">static</span> <span class="keywordtype">void</span> set_roi_map(<span class="keyword">const</span> <a class="code" href="structvpx__codec__enc__cfg.html">vpx_codec_enc_cfg_t</a> *cfg,</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="structvpx__codec__ctx.html">vpx_codec_ctx_t</a> *codec) {</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="structvpx__roi__map.html">vpx_roi_map_t</a> roi;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  memset(&roi, 0, <span class="keyword">sizeof</span>(roi));</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  roi.<a class="code" href="structvpx__roi__map.html#a3fdcecd472553d08a99ced02cda5c9a6">rows</a> = (cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a> + 15) / 16;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  roi.<a class="code" href="structvpx__roi__map.html#a5458459aaf16b14b86fb0adef32757c8">cols</a> = (cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">g_w</a> + 15) / 16;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  roi.<a class="code" href="structvpx__roi__map.html#a6e7aecf1d31c329f43dcb36717b3999b">delta_q</a>[0] = 0;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  roi.<a class="code" href="structvpx__roi__map.html#a6e7aecf1d31c329f43dcb36717b3999b">delta_q</a>[1] = -2;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  roi.<a class="code" href="structvpx__roi__map.html#a6e7aecf1d31c329f43dcb36717b3999b">delta_q</a>[2] = -4;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  roi.<a class="code" href="structvpx__roi__map.html#a6e7aecf1d31c329f43dcb36717b3999b">delta_q</a>[3] = -6;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  roi.<a class="code" href="structvpx__roi__map.html#a5164be48a612bf872b81e0a86726fbed">delta_lf</a>[0] = 0;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  roi.<a class="code" href="structvpx__roi__map.html#a5164be48a612bf872b81e0a86726fbed">delta_lf</a>[1] = 1;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  roi.<a class="code" href="structvpx__roi__map.html#a5164be48a612bf872b81e0a86726fbed">delta_lf</a>[2] = 2;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  roi.<a class="code" href="structvpx__roi__map.html#a5164be48a612bf872b81e0a86726fbed">delta_lf</a>[3] = 3;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  roi.<a class="code" href="structvpx__roi__map.html#a3354ff458e229361b53a0b2d1bf68cfb">static_threshold</a>[0] = 1500;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  roi.<a class="code" href="structvpx__roi__map.html#a3354ff458e229361b53a0b2d1bf68cfb">static_threshold</a>[1] = 1000;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  roi.<a class="code" href="structvpx__roi__map.html#a3354ff458e229361b53a0b2d1bf68cfb">static_threshold</a>[2] = 500;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  roi.<a class="code" href="structvpx__roi__map.html#a3354ff458e229361b53a0b2d1bf68cfb">static_threshold</a>[3] = 0;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  roi.<a class="code" href="structvpx__roi__map.html#aba69e211b81d622977ba07ac47b61075">roi_map</a> = (uint8_t *)malloc(roi.<a class="code" href="structvpx__roi__map.html#a3fdcecd472553d08a99ced02cda5c9a6">rows</a> * roi.<a class="code" href="structvpx__roi__map.html#a5458459aaf16b14b86fb0adef32757c8">cols</a>);</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">for</span> (i = 0; i < roi.<a class="code" href="structvpx__roi__map.html#a3fdcecd472553d08a99ced02cda5c9a6">rows</a> * roi.<a class="code" href="structvpx__roi__map.html#a5458459aaf16b14b86fb0adef32757c8">cols</a>; ++i) roi.<a class="code" href="structvpx__roi__map.html#aba69e211b81d622977ba07ac47b61075">roi_map</a>[i] = i % 4;</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>  if (<a class="code" href="group__codec.html#gac1b91e04698c1bd4c0a2b8aa85b08cd2">vpx_codec_control</a>(codec, <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca25a828dbab350f80db769a8f53e3940f">VP8E_SET_ROI_MAP</a>, &roi))</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  die_codec(codec, <span class="stringliteral">"Failed to set ROI map"</span>);</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  free(roi.<a class="code" href="structvpx__roi__map.html#aba69e211b81d622977ba07ac47b61075">roi_map</a>);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> }</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="keyword">static</span> <span class="keywordtype">void</span> set_active_map(<span class="keyword">const</span> <a class="code" href="structvpx__codec__enc__cfg.html">vpx_codec_enc_cfg_t</a> *cfg,</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="structvpx__codec__ctx.html">vpx_codec_ctx_t</a> *codec) {</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <a class="code" href="structvpx__active__map.html">vpx_active_map_t</a> map = { 0, 0, 0 };</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>  map.<a class="code" href="structvpx__active__map.html#a29424c92ff201f97db9bf62d16dfab4d">rows</a> = (cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a> + 15) / 16;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  map.<a class="code" href="structvpx__active__map.html#a310edb5efc62d596b2c276e3f7d1b42a">cols</a> = (cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">g_w</a> + 15) / 16;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  map.<a class="code" href="structvpx__active__map.html#a6e5e092e766ae3f65d280c68c9f6df82">active_map</a> = (uint8_t *)malloc(map.<a class="code" href="structvpx__active__map.html#a29424c92ff201f97db9bf62d16dfab4d">rows</a> * map.<a class="code" href="structvpx__active__map.html#a310edb5efc62d596b2c276e3f7d1b42a">cols</a>);</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">for</span> (i = 0; i < map.<a class="code" href="structvpx__active__map.html#a29424c92ff201f97db9bf62d16dfab4d">rows</a> * map.<a class="code" href="structvpx__active__map.html#a310edb5efc62d596b2c276e3f7d1b42a">cols</a>; ++i) map.<a class="code" href="structvpx__active__map.html#a6e5e092e766ae3f65d280c68c9f6df82">active_map</a>[i] = i % 2;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  if (<a class="code" href="group__codec.html#gac1b91e04698c1bd4c0a2b8aa85b08cd2">vpx_codec_control</a>(codec, <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca6c904eb7e9e4aa58052742b56f1b4497">VP8E_SET_ACTIVEMAP</a>, &map))</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  die_codec(codec, <span class="stringliteral">"Failed to set active map"</span>);</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  free(map.<a class="code" href="structvpx__active__map.html#a6e5e092e766ae3f65d280c68c9f6df82">active_map</a>);</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> }</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="keyword">static</span> <span class="keywordtype">void</span> unset_active_map(<span class="keyword">const</span> <a class="code" href="structvpx__codec__enc__cfg.html">vpx_codec_enc_cfg_t</a> *cfg,</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="structvpx__codec__ctx.html">vpx_codec_ctx_t</a> *codec) {</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="structvpx__active__map.html">vpx_active_map_t</a> map = { 0, 0, 0 };</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  map.<a class="code" href="structvpx__active__map.html#a29424c92ff201f97db9bf62d16dfab4d">rows</a> = (cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a> + 15) / 16;</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  map.<a class="code" href="structvpx__active__map.html#a310edb5efc62d596b2c276e3f7d1b42a">cols</a> = (cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">g_w</a> + 15) / 16;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  map.<a class="code" href="structvpx__active__map.html#a6e5e092e766ae3f65d280c68c9f6df82">active_map</a> = NULL;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (<a class="code" href="group__codec.html#gac1b91e04698c1bd4c0a2b8aa85b08cd2">vpx_codec_control</a>(codec, <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca6c904eb7e9e4aa58052742b56f1b4497">VP8E_SET_ACTIVEMAP</a>, &map))</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  die_codec(codec, <span class="stringliteral">"Failed to set active map"</span>);</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> }</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div><div class="line"><a name="l00125"></a><span class="lineno"> 125</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> *codec, <a class="code" href="structvpx__image.html">vpx_image_t</a> *img,</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">int</span> frame_index, VpxVideoWriter *writer) {</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">int</span> got_pkts = 0;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="group__codec.html#ga6ea348f76b1f8a1fe50e14db684146c6">vpx_codec_iter_t</a> iter = NULL;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</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="l00130"></a><span class="lineno"> 130</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="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="group__encoder.html#gaf990542e2aeb389f05fae3e9c7803639">vpx_codec_encode</a>(codec, img, frame_index, 1, 0, <a class="code" href="group__encoder.html#ga5d00a9f9e10b9f49ca91e72c1f01c9fd">VPX_DL_GOOD_QUALITY</a>);</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">if</span> (res != <a class="code" href="group__codec.html#ggada1084710837ad363b92f2379dd2b8d2af1dcde74b1c5ff7b29f31246dfd90986">VPX_CODEC_OK</a>) die_codec(codec, <span class="stringliteral">"Failed to encode frame"</span>);</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">while</span> ((pkt = <a class="code" href="group__encoder.html#gae81cab25d66cf3bc59f1f75f8a5af720">vpx_codec_get_cx_data</a>(codec, &iter)) != NULL) {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  got_pkts = 1;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="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="l00138"></a><span class="lineno"> 138</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="l00139"></a><span class="lineno"> 139</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="l00140"></a><span class="lineno"> 140</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="l00141"></a><span class="lineno"> 141</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="l00142"></a><span class="lineno"> 142</span>  die_codec(codec, <span class="stringliteral">"Failed to write compressed frame"</span>);</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  printf(keyframe ? <span class="stringliteral">"K"</span> : <span class="stringliteral">"."</span>);</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  fflush(stdout);</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  }</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">return</span> got_pkts;</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> }</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</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="l00154"></a><span class="lineno"> 154</span>  FILE *infile = NULL;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <a class="code" href="structvpx__codec__ctx.html">vpx_codec_ctx_t</a> codec;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="structvpx__codec__enc__cfg.html">vpx_codec_enc_cfg_t</a> cfg;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordtype">int</span> frame_count = 0;</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <a class="code" href="structvpx__image.html">vpx_image_t</a> raw;</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="group__codec.html#gada1084710837ad363b92f2379dd2b8d2">vpx_codec_err_t</a> res;</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  VpxVideoInfo info;</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  VpxVideoWriter *writer = NULL;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keyword">const</span> VpxInterface *encoder = NULL;</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> fps = 2; <span class="comment">// TODO(dkovalev) add command line argument</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> bits_per_pixel_per_frame = 0.067;</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>  exec_name = argv[0];</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">if</span> (argc != 6) die(<span class="stringliteral">"Invalid number of arguments"</span>);</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  memset(&info, 0, <span class="keyword">sizeof</span>(info));</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  encoder = get_vpx_encoder_by_name(argv[1]);</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">if</span> (encoder == NULL) {</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  die(<span class="stringliteral">"Unsupported codec."</span>);</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  }</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  assert(encoder != NULL);</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  info.codec_fourcc = encoder->fourcc;</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  info.frame_width = (int)strtol(argv[2], NULL, 0);</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  info.frame_height = (int)strtol(argv[3], NULL, 0);</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  info.time_base.numerator = 1;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  info.time_base.denominator = fps;</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">if</span> (info.frame_width <= 0 || info.frame_height <= 0 ||</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  (info.frame_width % 2) != 0 || (info.frame_height % 2) != 0) {</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  die(<span class="stringliteral">"Invalid frame size: %dx%d"</span>, info.frame_width, info.frame_height);</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</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>  <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="l00188"></a><span class="lineno"> 188</span>  info.frame_height, 1)) {</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  die(<span class="stringliteral">"Failed to allocate image."</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>  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="l00193"></a><span class="lineno"> 193</span> </div><div class="line"><a name="l00194"></a><span class="lineno"> 194</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="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">if</span> (res) die_codec(&codec, <span class="stringliteral">"Failed to get default codec config."</span>);</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">g_w</a> = info.frame_width;</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a> = info.frame_height;</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</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="l00200"></a><span class="lineno"> 200</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="l00201"></a><span class="lineno"> 201</span>  cfg.<a class="code" href="structvpx__codec__enc__cfg.html#ab8339685175d66710f482706cc9f0aed">rc_target_bitrate</a> =</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  (<span class="keywordtype">unsigned</span> int)(bits_per_pixel_per_frame * cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">g_w</a> * cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a> * fps / 1000);</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a992668d9e30305f3f7ab2672ea31a890">g_lag_in_frames</a> = 0;</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  writer = vpx_video_writer_open(argv[5], kContainerIVF, &info);</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">if</span> (!writer) die(<span class="stringliteral">"Failed to open %s for writing."</span>, argv[5]);</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">if</span> (!(infile = fopen(argv[4], <span class="stringliteral">"rb"</span>)))</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  die(<span class="stringliteral">"Failed to open %s for reading."</span>, argv[4]);</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">if</span> (<a class="code" href="group__encoder.html#ga3d490a2a9a6acd7c9ef82a603155f3cf">vpx_codec_enc_init</a>(&codec, encoder->codec_interface(), &cfg, 0))</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  die_codec(&codec, <span class="stringliteral">"Failed to initialize encoder"</span>);</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">// Encode frames.</span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">while</span> (vpx_img_read(&raw, infile)) {</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  ++frame_count;</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">if</span> (frame_count == 22 && encoder->fourcc == VP8_FOURCC) {</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  set_roi_map(&cfg, &codec);</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (frame_count == 33) {</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  set_active_map(&cfg, &codec);</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (frame_count == 44) {</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  unset_active_map(&cfg, &codec);</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  }</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  encode_frame(&codec, &raw, frame_count, writer);</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> </div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="comment">// Flush encoder.</span></div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">while</span> (encode_frame(&codec, NULL, -1, writer)) {</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> </div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  printf(<span class="stringliteral">"\n"</span>);</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  fclose(infile);</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  printf(<span class="stringliteral">"Processed %d frames.\n"</span>, frame_count);</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>  <a class="code" href="vpx__image_8h.html#af47ebaf286812d037425d41990d48a17">vpx_img_free</a>(&raw);</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</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="l00239"></a><span class="lineno"> 239</span> </div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  vpx_video_writer_close(writer);</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">return</span> EXIT_SUCCESS;</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> }</div><div class="ttc" id="structvpx__roi__map_html_aba69e211b81d622977ba07ac47b61075"><div class="ttname"><a href="structvpx__roi__map.html#aba69e211b81d622977ba07ac47b61075">vpx_roi_map::roi_map</a></div><div class="ttdeci">unsigned char * roi_map</div><div class="ttdef"><b>Definition:</b> vp8cx.h:647</div></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__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__active__map_html_a310edb5efc62d596b2c276e3f7d1b42a"><div class="ttname"><a href="structvpx__active__map.html#a310edb5efc62d596b2c276e3f7d1b42a">vpx_active_map::cols</a></div><div class="ttdeci">unsigned int cols</div><div class="ttdef"><b>Definition:</b> vp8cx.h:669</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__roi__map_html_a5458459aaf16b14b86fb0adef32757c8"><div class="ttname"><a href="structvpx__roi__map.html#a5458459aaf16b14b86fb0adef32757c8">vpx_roi_map::cols</a></div><div class="ttdeci">unsigned int cols</div><div class="ttdef"><b>Definition:</b> vp8cx.h:649</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="group__vp8__encoder_html_gga6deae3d561c838952552c3d3756322eca25a828dbab350f80db769a8f53e3940f"><div class="ttname"><a href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca25a828dbab350f80db769a8f53e3940f">VP8E_SET_ROI_MAP</a></div><div class="ttdoc">Codec control function to pass an ROI map to encoder. </div><div class="ttdef"><b>Definition:</b> vp8cx.h:130</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="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="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__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="structvpx__roi__map_html_a3354ff458e229361b53a0b2d1bf68cfb"><div class="ttname"><a href="structvpx__roi__map.html#a3354ff458e229361b53a0b2d1bf68cfb">vpx_roi_map::static_threshold</a></div><div class="ttdeci">unsigned int static_threshold[4]</div><div class="ttdef"><b>Definition:</b> vp8cx.h:656</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__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__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="structvpx__roi__map_html_a5164be48a612bf872b81e0a86726fbed"><div class="ttname"><a href="structvpx__roi__map.html#a5164be48a612bf872b81e0a86726fbed">vpx_roi_map::delta_lf</a></div><div class="ttdeci">int delta_lf[4]</div><div class="ttdef"><b>Definition:</b> vp8cx.h:654</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="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="structvpx__active__map_html_a6e5e092e766ae3f65d280c68c9f6df82"><div class="ttname"><a href="structvpx__active__map.html#a6e5e092e766ae3f65d280c68c9f6df82">vpx_active_map::active_map</a></div><div class="ttdeci">unsigned char * active_map</div><div class="ttdoc">specify an on (1) or off (0) each 16x16 region within a frame </div><div class="ttdef"><b>Definition:</b> vp8cx.h:667</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__active__map_html_a29424c92ff201f97db9bf62d16dfab4d"><div class="ttname"><a href="structvpx__active__map.html#a29424c92ff201f97db9bf62d16dfab4d">vpx_active_map::rows</a></div><div class="ttdeci">unsigned int rows</div><div class="ttdef"><b>Definition:</b> vp8cx.h:668</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="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="structvpx__active__map_html"><div class="ttname"><a href="structvpx__active__map.html">vpx_active_map</a></div><div class="ttdoc">vpx active region map </div><div class="ttdef"><b>Definition:</b> vp8cx.h:665</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__roi__map_html_a3fdcecd472553d08a99ced02cda5c9a6"><div class="ttname"><a href="structvpx__roi__map.html#a3fdcecd472553d08a99ced02cda5c9a6">vpx_roi_map::rows</a></div><div class="ttdeci">unsigned int rows</div><div class="ttdef"><b>Definition:</b> vp8cx.h:648</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="structvpx__roi__map_html"><div class="ttname"><a href="structvpx__roi__map.html">vpx_roi_map</a></div><div class="ttdoc">vpx region of interest map </div><div class="ttdef"><b>Definition:</b> vp8cx.h:645</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="structvpx__roi__map_html_a6e7aecf1d31c329f43dcb36717b3999b"><div class="ttname"><a href="structvpx__roi__map.html#a6e7aecf1d31c329f43dcb36717b3999b">vpx_roi_map::delta_q</a></div><div class="ttdeci">int delta_q[4]</div><div class="ttdef"><b>Definition:</b> vp8cx.h:653</div></div>
<div class="ttc" id="group__vp8__encoder_html_gga6deae3d561c838952552c3d3756322eca6c904eb7e9e4aa58052742b56f1b4497"><div class="ttname"><a href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca6c904eb7e9e4aa58052742b56f1b4497">VP8E_SET_ACTIVEMAP</a></div><div class="ttdoc">Codec control function to pass an Active map to encoder. </div><div class="ttdef"><b>Definition:</b> vp8cx.h:136</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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