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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">// Two Pass Encoder</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 of a two pass encoder loop. It takes an input file in</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// YV12 format, passes it through the encoder twice, and writes the compressed</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// frames to disk in IVF format. It builds upon the simple_encoder example.</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">//</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// Twopass Variables</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// -----------------</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// Twopass mode needs to track the current pass number and the buffer of</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// statistics packets.</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">//</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// Updating The Configuration</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">// In two pass mode, the configuration has to be updated on each pass. The</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// statistics buffer is passed on the last pass.</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">// Encoding A Frame</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">// ----------------</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// Encoding a frame in two pass mode is identical to the simple encoder</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// example. To increase the quality while sacrificing encoding speed,</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// VPX_DL_BEST_QUALITY can be used in place of VPX_DL_GOOD_QUALITY.</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">//</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// Processing Statistics Packets</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// -----------------------------</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">// Each packet of type `VPX_CODEC_CX_FRAME_PKT` contains the encoded data</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">// for this frame. We write a IVF frame header, followed by the raw data.</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">//</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">//</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// Pass Progress Reporting</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// -----------------------------</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">// It's sometimes helpful to see when each pass completes.</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">//</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">//</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">// Clean-up</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// -----------------------------</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// Destruction of the encoder instance must be done on each pass. The</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// raw image should be destroyed at the end as usual.</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include <stdio.h></span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#include <stdlib.h></span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include <string.h></span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div><div class="line"><a name="l00054"></a><span class="lineno"> 54</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="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#include "../tools_common.h"</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#include "../video_writer.h"</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> <span class="keywordtype">char</span> *exec_name;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keywordtype">void</span> usage_exit(<span class="keywordtype">void</span>) {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  fprintf(stderr,</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="stringliteral">"Usage: %s <codec> <width> <height> <infile> <outfile> "</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="stringliteral">"<frame limit>\n"</span>,</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  exec_name);</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  exit(EXIT_FAILURE);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> }</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> <span class="keyword">static</span> <span class="keywordtype">int</span> get_frame_stats(<a class="code" href="structvpx__codec__ctx.html">vpx_codec_ctx_t</a> *ctx, <span class="keyword">const</span> <a class="code" href="structvpx__image.html">vpx_image_t</a> *img,</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="group__encoder.html#ga7e711b0a71c65aef8f0faea8bd57b05f">vpx_codec_pts_t</a> pts, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> duration,</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="group__encoder.html#ga99e4a3c966f0de19fe1aa626bd860366">vpx_enc_frame_flags_t</a> flags, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> deadline,</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="structvpx__fixed__buf.html">vpx_fixed_buf_t</a> *stats) {</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">int</span> got_pkts = 0;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="group__codec.html#ga6ea348f76b1f8a1fe50e14db684146c6">vpx_codec_iter_t</a> iter = NULL;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</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="l00076"></a><span class="lineno"> 76</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="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="group__encoder.html#gaf990542e2aeb389f05fae3e9c7803639">vpx_codec_encode</a>(ctx, img, pts, duration, flags, deadline);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">if</span> (res != <a class="code" href="group__codec.html#ggada1084710837ad363b92f2379dd2b8d2af1dcde74b1c5ff7b29f31246dfd90986">VPX_CODEC_OK</a>) die_codec(ctx, <span class="stringliteral">"Failed to get frame stats."</span>);</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">while</span> ((pkt = <a class="code" href="group__encoder.html#gae81cab25d66cf3bc59f1f75f8a5af720">vpx_codec_get_cx_data</a>(ctx, &iter)) != NULL) {</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  got_pkts = 1;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</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#gga28a79375279536526552af3a83d2ed72a77cd8b95d9891bcce36117f5f31994fd">VPX_CODEC_STATS_PKT</a>) {</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">const</span> uint8_t *<span class="keyword">const</span> pkt_buf = pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a4018900fa26ecc55abc4703cc7d7c7fc">twopass_stats</a>.<a class="code" href="structvpx__fixed__buf.html#ac93e43ae3fcc1023dca86d37016ae3f0">buf</a>;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> pkt_size = pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a4018900fa26ecc55abc4703cc7d7c7fc">twopass_stats</a>.<a class="code" href="structvpx__fixed__buf.html#a43d7f8247ed9752f65f0a7639817ae84">sz</a>;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  stats-><a class="code" href="structvpx__fixed__buf.html#ac93e43ae3fcc1023dca86d37016ae3f0">buf</a> = realloc(stats-><a class="code" href="structvpx__fixed__buf.html#ac93e43ae3fcc1023dca86d37016ae3f0">buf</a>, stats-><a class="code" href="structvpx__fixed__buf.html#a43d7f8247ed9752f65f0a7639817ae84">sz</a> + pkt_size);</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  memcpy((uint8_t *)stats-><a class="code" href="structvpx__fixed__buf.html#ac93e43ae3fcc1023dca86d37016ae3f0">buf</a> + stats-><a class="code" href="structvpx__fixed__buf.html#a43d7f8247ed9752f65f0a7639817ae84">sz</a>, pkt_buf, pkt_size);</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  stats-><a class="code" href="structvpx__fixed__buf.html#a43d7f8247ed9752f65f0a7639817ae84">sz</a> += pkt_size;</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> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> got_pkts;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> }</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</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> *ctx, <span class="keyword">const</span> <a class="code" href="structvpx__image.html">vpx_image_t</a> *img,</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="group__encoder.html#ga7e711b0a71c65aef8f0faea8bd57b05f">vpx_codec_pts_t</a> pts, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> duration,</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="group__encoder.html#ga99e4a3c966f0de19fe1aa626bd860366">vpx_enc_frame_flags_t</a> flags, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> deadline,</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  VpxVideoWriter *writer) {</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">int</span> got_pkts = 0;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="group__codec.html#ga6ea348f76b1f8a1fe50e14db684146c6">vpx_codec_iter_t</a> iter = NULL;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</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="l00102"></a><span class="lineno"> 102</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="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="group__encoder.html#gaf990542e2aeb389f05fae3e9c7803639">vpx_codec_encode</a>(ctx, img, pts, duration, flags, deadline);</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span> (res != <a class="code" href="group__codec.html#ggada1084710837ad363b92f2379dd2b8d2af1dcde74b1c5ff7b29f31246dfd90986">VPX_CODEC_OK</a>) die_codec(ctx, <span class="stringliteral">"Failed to encode frame."</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="keywordflow">while</span> ((pkt = <a class="code" href="group__encoder.html#gae81cab25d66cf3bc59f1f75f8a5af720">vpx_codec_get_cx_data</a>(ctx, &iter)) != NULL) {</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  got_pkts = 1;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</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="l00109"></a><span class="lineno"> 109</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="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</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="l00112"></a><span class="lineno"> 112</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="l00113"></a><span class="lineno"> 113</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="l00114"></a><span class="lineno"> 114</span>  die_codec(ctx, <span class="stringliteral">"Failed to write compressed frame."</span>);</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  printf(keyframe ? <span class="stringliteral">"K"</span> : <span class="stringliteral">"."</span>);</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  fflush(stdout);</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>  }</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> got_pkts;</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> <a class="code" href="structvpx__fixed__buf.html">vpx_fixed_buf_t</a> pass0(<a class="code" href="structvpx__image.html">vpx_image_t</a> *raw, FILE *infile,</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">const</span> VpxInterface *encoder,</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">const</span> <a class="code" href="structvpx__codec__enc__cfg.html">vpx_codec_enc_cfg_t</a> *cfg, <span class="keywordtype">int</span> max_frames) {</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="structvpx__codec__ctx.html">vpx_codec_ctx_t</a> codec;</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">int</span> frame_count = 0;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="structvpx__fixed__buf.html">vpx_fixed_buf_t</a> stats = { NULL, 0 };</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</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="l00131"></a><span class="lineno"> 131</span>  die_codec(&codec, <span class="stringliteral">"Failed to initialize encoder"</span>);</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="comment">// Calculate frame statistics.</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">while</span> (vpx_img_read(raw, infile)) {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  ++frame_count;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  get_frame_stats(&codec, raw, frame_count, 1, 0, <a class="code" href="group__encoder.html#ga5d00a9f9e10b9f49ca91e72c1f01c9fd">VPX_DL_GOOD_QUALITY</a>,</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  &stats);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">if</span> (max_frames > 0 && frame_count >= max_frames) <span class="keywordflow">break</span>;</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="comment">// Flush encoder.</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">while</span> (get_frame_stats(&codec, NULL, frame_count, 1, 0, <a class="code" href="group__encoder.html#ga5d00a9f9e10b9f49ca91e72c1f01c9fd">VPX_DL_GOOD_QUALITY</a>,</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  &stats)) {</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> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  printf(<span class="stringliteral">"Pass 0 complete. Processed %d frames.\n"</span>, frame_count);</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</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="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">return</span> stats;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> }</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> <span class="keyword">static</span> <span class="keywordtype">void</span> pass1(<a class="code" href="structvpx__image.html">vpx_image_t</a> *raw, FILE *infile, <span class="keyword">const</span> <span class="keywordtype">char</span> *outfile_name,</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">const</span> VpxInterface *encoder, <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="l00154"></a><span class="lineno"> 154</span>  <span class="keywordtype">int</span> max_frames) {</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  VpxVideoInfo info = { encoder->fourcc,</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">g_w</a>,</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a>,</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</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>, 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="l00159"></a><span class="lineno"> 159</span>  VpxVideoWriter *writer = NULL;</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <a class="code" href="structvpx__codec__ctx.html">vpx_codec_ctx_t</a> codec;</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordtype">int</span> frame_count = 0;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  writer = vpx_video_writer_open(outfile_name, kContainerIVF, &info);</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">if</span> (!writer) die(<span class="stringliteral">"Failed to open %s for writing"</span>, outfile_name);</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>  <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="l00167"></a><span class="lineno"> 167</span>  die_codec(&codec, <span class="stringliteral">"Failed to initialize encoder"</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>  <span class="comment">// Encode frames.</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">while</span> (vpx_img_read(raw, infile)) {</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  ++frame_count;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  encode_frame(&codec, raw, frame_count, 1, 0, <a class="code" href="group__encoder.html#ga5d00a9f9e10b9f49ca91e72c1f01c9fd">VPX_DL_GOOD_QUALITY</a>, writer);</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">if</span> (max_frames > 0 && frame_count >= max_frames) <span class="keywordflow">break</span>;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">// Flush encoder.</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">while</span> (encode_frame(&codec, NULL, -1, 1, 0, <a class="code" href="group__encoder.html#ga5d00a9f9e10b9f49ca91e72c1f01c9fd">VPX_DL_GOOD_QUALITY</a>, writer)) {</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  printf(<span class="stringliteral">"\n"</span>);</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div><div class="line"><a name="l00183"></a><span class="lineno"> 183</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="l00184"></a><span class="lineno"> 184</span> </div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  vpx_video_writer_close(writer);</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>  printf(<span class="stringliteral">"Pass 1 complete. Processed %d frames.\n"</span>, frame_count);</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="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv) {</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  FILE *infile = NULL;</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordtype">int</span> w, h;</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <a class="code" href="structvpx__codec__ctx.html">vpx_codec_ctx_t</a> codec;</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <a class="code" href="structvpx__codec__enc__cfg.html">vpx_codec_enc_cfg_t</a> cfg;</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <a class="code" href="structvpx__image.html">vpx_image_t</a> raw;</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <a class="code" href="group__codec.html#gada1084710837ad363b92f2379dd2b8d2">vpx_codec_err_t</a> res;</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <a class="code" href="structvpx__fixed__buf.html">vpx_fixed_buf_t</a> stats;</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>  <span class="keyword">const</span> VpxInterface *encoder = NULL;</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> fps = 30; <span class="comment">// TODO(dkovalev) add command line argument</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> bitrate = 200; <span class="comment">// kbit/s TODO(dkovalev) add command line argument</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *<span class="keyword">const</span> codec_arg = argv[1];</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *<span class="keyword">const</span> width_arg = argv[2];</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *<span class="keyword">const</span> height_arg = argv[3];</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *<span class="keyword">const</span> infile_arg = argv[4];</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *<span class="keyword">const</span> outfile_arg = argv[5];</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordtype">int</span> max_frames = 0;</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  exec_name = argv[0];</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">if</span> (argc != 7) die(<span class="stringliteral">"Invalid number of arguments."</span>);</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  max_frames = (int)strtol(argv[6], NULL, 0);</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>  encoder = get_vpx_encoder_by_name(codec_arg);</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">if</span> (!encoder) die(<span class="stringliteral">"Unsupported codec."</span>);</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  w = (int)strtol(width_arg, NULL, 0);</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  h = (int)strtol(height_arg, NULL, 0);</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">if</span> (w <= 0 || h <= 0 || (w % 2) != 0 || (h % 2) != 0)</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  die(<span class="stringliteral">"Invalid frame size: %dx%d"</span>, w, h);</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <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>, w, h, 1))</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  die(<span class="stringliteral">"Failed to allocate image"</span>, w, h);</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>  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="l00227"></a><span class="lineno"> 227</span> </div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// Configuration</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</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="l00230"></a><span class="lineno"> 230</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="l00231"></a><span class="lineno"> 231</span> </div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c">g_w</a> = w;</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e">g_h</a> = h;</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</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> = 1;</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</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> = fps;</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  cfg.<a class="code" href="structvpx__codec__enc__cfg.html#ab8339685175d66710f482706cc9f0aed">rc_target_bitrate</a> = bitrate;</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">if</span> (!(infile = fopen(infile_arg, <span class="stringliteral">"rb"</span>)))</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  die(<span class="stringliteral">"Failed to open %s for reading"</span>, infile_arg);</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="comment">// Pass 0</span></div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a70d62d87aae7d1168746577f14a6dccf">g_pass</a> = <a class="code" href="group__encoder.html#gga476c5417f9c15a1dc5d3f68fa44c493faa0765945345b160905f3b762986dae3b">VPX_RC_FIRST_PASS</a>;</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  stats = pass0(&raw, infile, encoder, &cfg, max_frames);</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="comment">// Pass 1</span></div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  rewind(infile);</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a70d62d87aae7d1168746577f14a6dccf">g_pass</a> = <a class="code" href="group__encoder.html#gga476c5417f9c15a1dc5d3f68fa44c493fa65da543b956d6a9b1f301ab8cc90d3a7">VPX_RC_LAST_PASS</a>;</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a1bd769247042e5806295f6e06d20f008">rc_twopass_stats_in</a> = stats;</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  pass1(&raw, infile, outfile_arg, encoder, &cfg, max_frames);</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  free(stats.<a class="code" href="structvpx__fixed__buf.html#ac93e43ae3fcc1023dca86d37016ae3f0">buf</a>);</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <a class="code" href="vpx__image_8h.html#af47ebaf286812d037425d41990d48a17">vpx_img_free</a>(&raw);</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  fclose(infile);</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">return</span> EXIT_SUCCESS;</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> }</div><div class="ttc" id="structvpx__codec__cx__pkt_html_a4018900fa26ecc55abc4703cc7d7c7fc"><div class="ttname"><a href="structvpx__codec__cx__pkt.html#a4018900fa26ecc55abc4703cc7d7c7fc">vpx_codec_cx_pkt::twopass_stats</a></div><div class="ttdeci">vpx_fixed_buf_t twopass_stats</div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:186</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__codec__enc__cfg_html_a6498d378e4c29ef3e22258289e481087"><div class="ttname"><a href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087">vpx_codec_enc_cfg::g_timebase</a></div><div class="ttdeci">struct vpx_rational g_timebase</div><div class="ttdoc">Stream timebase units. </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:357</div></div>
<div class="ttc" id="structvpx__rational_html_a29dd2ab4001377b3aa21885ef969759f"><div class="ttname"><a href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">vpx_rational::den</a></div><div class="ttdeci">int den</div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:231</div></div>
<div class="ttc" id="group__encoder_html_gaf990542e2aeb389f05fae3e9c7803639"><div class="ttname"><a href="group__encoder.html#gaf990542e2aeb389f05fae3e9c7803639">vpx_codec_encode</a></div><div class="ttdeci">vpx_codec_err_t vpx_codec_encode(vpx_codec_ctx_t *ctx, const vpx_image_t *img, vpx_codec_pts_t pts, unsigned long duration, vpx_enc_frame_flags_t flags, unsigned long deadline)</div><div class="ttdoc">Encode a frame. </div></div>
<div class="ttc" id="group__encoder_html_gga28a79375279536526552af3a83d2ed72a77cd8b95d9891bcce36117f5f31994fd"><div class="ttname"><a href="group__encoder.html#gga28a79375279536526552af3a83d2ed72a77cd8b95d9891bcce36117f5f31994fd">VPX_CODEC_STATS_PKT</a></div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:154</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__fixed__buf_html_ac93e43ae3fcc1023dca86d37016ae3f0"><div class="ttname"><a href="structvpx__fixed__buf.html#ac93e43ae3fcc1023dca86d37016ae3f0">vpx_fixed_buf::buf</a></div><div class="ttdeci">void * buf</div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:103</div></div>
<div class="ttc" id="structvpx__fixed__buf_html"><div class="ttname"><a href="structvpx__fixed__buf.html">vpx_fixed_buf</a></div><div class="ttdoc">Generic fixed size buffer structure. </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:102</div></div>
<div class="ttc" id="group__encoder_html_gga476c5417f9c15a1dc5d3f68fa44c493faa0765945345b160905f3b762986dae3b"><div class="ttname"><a href="group__encoder.html#gga476c5417f9c15a1dc5d3f68fa44c493faa0765945345b160905f3b762986dae3b">VPX_RC_FIRST_PASS</a></div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:237</div></div>
<div class="ttc" id="group__encoder_html_gga476c5417f9c15a1dc5d3f68fa44c493fa65da543b956d6a9b1f301ab8cc90d3a7"><div class="ttname"><a href="group__encoder.html#gga476c5417f9c15a1dc5d3f68fa44c493fa65da543b956d6a9b1f301ab8cc90d3a7">VPX_RC_LAST_PASS</a></div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:238</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__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__encoder_html_ga99e4a3c966f0de19fe1aa626bd860366"><div class="ttname"><a href="group__encoder.html#ga99e4a3c966f0de19fe1aa626bd860366">vpx_enc_frame_flags_t</a></div><div class="ttdeci">long vpx_enc_frame_flags_t</div><div class="ttdoc">Encoded Frame Flags. </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:270</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__codec__enc__cfg_html_a70d62d87aae7d1168746577f14a6dccf"><div class="ttname"><a href="structvpx__codec__enc__cfg.html#a70d62d87aae7d1168746577f14a6dccf">vpx_codec_enc_cfg::g_pass</a></div><div class="ttdeci">enum vpx_enc_pass g_pass</div><div class="ttdoc">Multi-pass Encoding Mode. </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:372</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="group__encoder_html_ga3d490a2a9a6acd7c9ef82a603155f3cf"><div class="ttname"><a href="group__encoder.html#ga3d490a2a9a6acd7c9ef82a603155f3cf">vpx_codec_enc_init</a></div><div class="ttdeci">#define vpx_codec_enc_init(ctx, iface, cfg, flags)</div><div class="ttdoc">Convenience macro for vpx_codec_enc_init_ver() </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:760</div></div>
<div class="ttc" id="group__codec_html_gada1084710837ad363b92f2379dd2b8d2"><div class="ttname"><a href="group__codec.html#gada1084710837ad363b92f2379dd2b8d2">vpx_codec_err_t</a></div><div class="ttdeci">vpx_codec_err_t</div><div class="ttdoc">Algorithm return codes. </div><div class="ttdef"><b>Definition:</b> vpx_codec.h:90</div></div>
<div class="ttc" id="group__encoder_html_gae81cab25d66cf3bc59f1f75f8a5af720"><div class="ttname"><a href="group__encoder.html#gae81cab25d66cf3bc59f1f75f8a5af720">vpx_codec_get_cx_data</a></div><div class="ttdeci">const vpx_codec_cx_pkt_t * vpx_codec_get_cx_data(vpx_codec_ctx_t *ctx, vpx_codec_iter_t *iter)</div><div class="ttdoc">Encoded data iterator. </div></div>
<div class="ttc" id="structvpx__codec__cx__pkt_html_a7f97b060a23b7e89fe5b885c0074f696"><div class="ttname"><a href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">vpx_codec_cx_pkt::data</a></div><div class="ttdeci">union vpx_codec_cx_pkt::@1 data</div></div>
<div class="ttc" id="structvpx__codec__enc__cfg_html_a1bd769247042e5806295f6e06d20f008"><div class="ttname"><a href="structvpx__codec__enc__cfg.html#a1bd769247042e5806295f6e06d20f008">vpx_codec_enc_cfg::rc_twopass_stats_in</a></div><div class="ttdeci">vpx_fixed_buf_t rc_twopass_stats_in</div><div class="ttdoc">Two-pass stats buffer. </div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:464</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__encoder_html_ga6cf8d0bbb663cd4df3a78d9eeb3bfb0e"><div class="ttname"><a href="group__encoder.html#ga6cf8d0bbb663cd4df3a78d9eeb3bfb0e">vpx_codec_enc_config_default</a></div><div class="ttdeci">vpx_codec_err_t vpx_codec_enc_config_default(vpx_codec_iface_t *iface, vpx_codec_enc_cfg_t *cfg, unsigned int reserved)</div><div class="ttdoc">Get a default configuration. </div></div>
<div class="ttc" id="group__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__fixed__buf_html_a43d7f8247ed9752f65f0a7639817ae84"><div class="ttname"><a href="structvpx__fixed__buf.html#a43d7f8247ed9752f65f0a7639817ae84">vpx_fixed_buf::sz</a></div><div class="ttdeci">size_t sz</div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:104</div></div>
<div class="ttc" id="group__encoder_html_ga7a896eb3bc74f33419e6a9812c60e4c9"><div class="ttname"><a href="group__encoder.html#ga7a896eb3bc74f33419e6a9812c60e4c9">VPX_FRAME_IS_KEY</a></div><div class="ttdeci">#define VPX_FRAME_IS_KEY</div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:122</div></div>
<div class="ttc" id="group__codec_html_ga6ea348f76b1f8a1fe50e14db684146c6"><div class="ttname"><a href="group__codec.html#ga6ea348f76b1f8a1fe50e14db684146c6">vpx_codec_iter_t</a></div><div class="ttdeci">const void * vpx_codec_iter_t</div><div class="ttdoc">Iterator. </div><div class="ttdef"><b>Definition:</b> vpx_codec.h:187</div></div>
<div class="ttc" id="group__encoder_html_gga28a79375279536526552af3a83d2ed72a2261aae5594289400e812fb1e6b6b0cc"><div class="ttname"><a href="group__encoder.html#gga28a79375279536526552af3a83d2ed72a2261aae5594289400e812fb1e6b6b0cc">VPX_CODEC_CX_FRAME_PKT</a></div><div class="ttdef"><b>Definition:</b> vpx_encoder.h:153</div></div>
<div class="ttc" id="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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