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/ThirdParty/vpx-vp8-x86_64-v0.9.7/docs/html/example_vpxenc.html

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  5. <title>WebM VP8 Codec SDK: vpxenc</title>
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  14.       <li><a href="index.html"><span>Main&nbsp;Page</span></a></li>
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  21.   <div class="navpath"><a class="el" href="samples.html">Sample Code</a>
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  24. <div class="contents">
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  25. 

  26. 

  27. <h1><a class="anchor" id="example_vpxenc">vpxenc </a></h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
    28. 

  28. <a name="l00002"></a>00002 <span class="comment"> *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.</span>
    29. 

  29. <a name="l00003"></a>00003 <span class="comment"> *</span>
    30. 

  30. <a name="l00004"></a>00004 <span class="comment"> *  Use of this source code is governed by a BSD-style license</span>
    31. 

  31. <a name="l00005"></a>00005 <span class="comment"> *  that can be found in the LICENSE file in the root of the source</span>
    32. 

  32. <a name="l00006"></a>00006 <span class="comment"> *  tree. An additional intellectual property rights grant can be found</span>
    33. 

  33. <a name="l00007"></a>00007 <span class="comment"> *  in the file PATENTS.  All contributing project authors may</span>
    34. 

  34. <a name="l00008"></a>00008 <span class="comment"> *  be found in the AUTHORS file in the root of the source tree.</span>
    35. 

  35. <a name="l00009"></a>00009 <span class="comment"> */</span>
    36. 

  36. <a name="l00010"></a>00010 
    37. 

  37. <a name="l00011"></a>00011 
    38. 

  38. <a name="l00012"></a>00012 <span class="comment">/* This is a simple program that encodes YV12 files and generates ivf</span>
    39. 

  39. <a name="l00013"></a>00013 <span class="comment"> * files using the new interface.</span>
    40. 

  40. <a name="l00014"></a>00014 <span class="comment"> */</span>
    41. 

  41. <a name="l00015"></a>00015 <span class="preprocessor">#if defined(_WIN32) || !CONFIG_OS_SUPPORT</span>
    42. 

  42. <a name="l00016"></a>00016 <span class="preprocessor"></span><span class="preprocessor">#define USE_POSIX_MMAP 0</span>
    43. 

  43. <a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#else</span>
    44. 

  44. <a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define USE_POSIX_MMAP 1</span>
    45. 

  45. <a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
    46. 

  46. <a name="l00020"></a>00020 <span class="preprocessor"></span>
    47. 

  47. <a name="l00021"></a>00021 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
    48. 

  48. <a name="l00022"></a>00022 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>
    49. 

  49. <a name="l00023"></a>00023 <span class="preprocessor">#include &lt;stdarg.h&gt;</span>
    50. 

  50. <a name="l00024"></a>00024 <span class="preprocessor">#include &lt;string.h&gt;</span>
    51. 

  51. <a name="l00025"></a>00025 <span class="preprocessor">#include &lt;limits.h&gt;</span>
    52. 

  52. <a name="l00026"></a>00026 <span class="preprocessor">#include &lt;assert.h&gt;</span>
    53. 

  53. <a name="l00027"></a>00027 <span class="preprocessor">#include &quot;<a class="code" href="vpx__encoder_8h.html" title="Describes the encoder algorithm interface to applications.">vpx/vpx_encoder.h</a>&quot;</span>
    54. 

  54. <a name="l00028"></a>00028 <span class="preprocessor">#if USE_POSIX_MMAP</span>
    55. 

  55. <a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#include &lt;sys/types.h&gt;</span>
    56. 

  56. <a name="l00030"></a>00030 <span class="preprocessor">#include &lt;sys/stat.h&gt;</span>
    57. 

  57. <a name="l00031"></a>00031 <span class="preprocessor">#include &lt;sys/mman.h&gt;</span>
    58. 

  58. <a name="l00032"></a>00032 <span class="preprocessor">#include &lt;fcntl.h&gt;</span>
    59. 

  59. <a name="l00033"></a>00033 <span class="preprocessor">#include &lt;unistd.h&gt;</span>
    60. 

  60. <a name="l00034"></a>00034 <span class="preprocessor">#endif</span>
    61. 

  61. <a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#include &quot;vpx_version.h&quot;</span>
    62. 

  62. <a name="l00036"></a>00036 <span class="preprocessor">#include &quot;<a class="code" href="vp8cx_8h.html" title="Provides definitions for using the VP8 encoder algorithm within the vpx Codec Interface...">vpx/vp8cx.h</a>&quot;</span>
    63. 

  63. <a name="l00037"></a>00037 <span class="preprocessor">#include &quot;vpx_ports/mem_ops.h&quot;</span>
    64. 

  64. <a name="l00038"></a>00038 <span class="preprocessor">#include &quot;vpx_ports/vpx_timer.h&quot;</span>
    65. 

  65. <a name="l00039"></a>00039 <span class="preprocessor">#include &quot;tools_common.h&quot;</span>
    66. 

  66. <a name="l00040"></a>00040 <span class="preprocessor">#include &quot;y4minput.h&quot;</span>
    67. 

  67. <a name="l00041"></a>00041 <span class="preprocessor">#include &quot;libmkv/EbmlWriter.h&quot;</span>
    68. 

  68. <a name="l00042"></a>00042 <span class="preprocessor">#include &quot;libmkv/EbmlIDs.h&quot;</span>
    69. 

  69. <a name="l00043"></a>00043 
    70. 

  70. <a name="l00044"></a>00044 <span class="comment">/* Need special handling of these functions on Windows */</span>
    71. 

  71. <a name="l00045"></a>00045 <span class="preprocessor">#if defined(_MSC_VER)</span>
    72. 

  72. <a name="l00046"></a>00046 <span class="preprocessor"></span><span class="comment">/* MSVS doesn&apos;t define off_t, and uses _f{seek,tell}i64 */</span>
    73. 

  73. <a name="l00047"></a>00047 <span class="keyword">typedef</span> __int64 off_t;
    74. 

  74. <a name="l00048"></a>00048 <span class="preprocessor">#define fseeko _fseeki64</span>
    75. 

  75. <a name="l00049"></a>00049 <span class="preprocessor"></span><span class="preprocessor">#define ftello _ftelli64</span>
    76. 

  76. <a name="l00050"></a>00050 <span class="preprocessor"></span><span class="preprocessor">#elif defined(_WIN32)</span>
    77. 

  77. <a name="l00051"></a>00051 <span class="preprocessor"></span><span class="comment">/* MinGW defines off_t, and uses f{seek,tell}o64 */</span>
    78. 

  78. <a name="l00052"></a>00052 <span class="preprocessor">#define fseeko fseeko64</span>
    79. 

  79. <a name="l00053"></a>00053 <span class="preprocessor"></span><span class="preprocessor">#define ftello ftello64</span>
    80. 

  80. <a name="l00054"></a>00054 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
    81. 

  81. <a name="l00055"></a>00055 <span class="preprocessor"></span>
    82. 

  82. <a name="l00056"></a>00056 <span class="preprocessor">#if defined(_MSC_VER)</span>
    83. 

  83. <a name="l00057"></a>00057 <span class="preprocessor"></span><span class="preprocessor">#define LITERALU64(n) n</span>
    84. 

  84. <a name="l00058"></a>00058 <span class="preprocessor"></span><span class="preprocessor">#else</span>
    85. 

  85. <a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#define LITERALU64(n) n##LLU</span>
    86. 

  86. <a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
    87. 

  87. <a name="l00061"></a>00061 <span class="preprocessor"></span>
    88. 

  88. <a name="l00062"></a>00062 <span class="comment">/* We should use 32-bit file operations in WebM file format</span>
    89. 

  89. <a name="l00063"></a>00063 <span class="comment"> * when building ARM executable file (.axf) with RVCT */</span>
    90. 

  90. <a name="l00064"></a>00064 <span class="preprocessor">#if !CONFIG_OS_SUPPORT</span>
    91. 

  91. <a name="l00065"></a>00065 <span class="preprocessor"></span><span class="keyword">typedef</span> <span class="keywordtype">long</span> off_t;
    92. 

  92. <a name="l00066"></a>00066 <span class="preprocessor">#define fseeko fseek</span>
    93. 

  93. <a name="l00067"></a>00067 <span class="preprocessor"></span><span class="preprocessor">#define ftello ftell</span>
    94. 

  94. <a name="l00068"></a>00068 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
    95. 

  95. <a name="l00069"></a>00069 <span class="preprocessor"></span>
    96. 

  96. <a name="l00070"></a>00070 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *exec_name;
    97. 

  97. <a name="l00071"></a>00071 
    98. 

  98. <a name="l00072"></a>00072 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">struct </span>codec_item
    99. 

  99. <a name="l00073"></a>00073 {
    100. 

  100. <a name="l00074"></a>00074     <span class="keywordtype">char</span> <span class="keyword">const</span>              *name;
    101. 

  101. <a name="l00075"></a>00075     <span class="keyword">const</span> <a class="code" href="group__codec.html#gad654f3da60151f5dfef70aca00ef1e9e" title="Codec interface structure.">vpx_codec_iface_t</a> *iface;
    102. 

  102. <a name="l00076"></a>00076     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>             fourcc;
    103. 

  103. <a name="l00077"></a>00077 } codecs[] =
    104. 

  104. <a name="l00078"></a>00078 {
    105. 

  105. <a name="l00079"></a>00079 <span class="preprocessor">#if CONFIG_VP8_ENCODER</span>
    106. 

  106. <a name="l00080"></a>00080 <span class="preprocessor"></span>    {<span class="stringliteral">&quot;vp8&quot;</span>,  &amp;vpx_codec_vp8_cx_algo, 0x30385056},
    107. 

  107. <a name="l00081"></a>00081 <span class="preprocessor">#endif</span>
    108. 

  108. <a name="l00082"></a>00082 <span class="preprocessor"></span>};
    109. 

  109. <a name="l00083"></a>00083 
    110. 

  110. <a name="l00084"></a>00084 <span class="keyword">static</span> <span class="keywordtype">void</span> usage_exit();
    111. 

  111. <a name="l00085"></a>00085 
    112. 

  112. <a name="l00086"></a>00086 <span class="keywordtype">void</span> die(<span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, ...)
    113. 

  113. <a name="l00087"></a>00087 {
    114. 

  114. <a name="l00088"></a>00088     va_list ap;
    115. 

  115. <a name="l00089"></a>00089     va_start(ap, fmt);
    116. 

  116. <a name="l00090"></a>00090     vfprintf(stderr, fmt, ap);
    117. 

  117. <a name="l00091"></a>00091     fprintf(stderr, <span class="stringliteral">&quot;\n&quot;</span>);
    118. 

  118. <a name="l00092"></a>00092     usage_exit();
    119. 

  119. <a name="l00093"></a>00093 }
    120. 

  120. <a name="l00094"></a>00094 
    121. 

  121. <a name="l00095"></a>00095 <span class="keyword">static</span> <span class="keywordtype">void</span> ctx_exit_on_error(<a class="code" href="structvpx__codec__ctx.html" title="Codec context structure.">vpx_codec_ctx_t</a> *ctx, <span class="keyword">const</span> <span class="keywordtype">char</span> *s)
    122. 

  122. <a name="l00096"></a>00096 {
    123. 

  123. <a name="l00097"></a>00097     <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structvpx__codec__ctx.html#a6f448802b0675013fd8c5179675c30de">err</a>)
    124. 

  124. <a name="l00098"></a>00098     {
    125. 

  125. <a name="l00099"></a>00099         <span class="keyword">const</span> <span class="keywordtype">char</span> *detail = <a class="code" href="group__codec.html#ga29273cb552ed1a437fe263c4a0a54300" title="Retrieve detailed error information for codec context.">vpx_codec_error_detail</a>(ctx);
    126. 

  126. <a name="l00100"></a>00100 
    127. 

  127. <a name="l00101"></a>00101         fprintf(stderr, <span class="stringliteral">&quot;%s: %s\n&quot;</span>, s, <a class="code" href="group__codec.html#ga4d265df00d42b36a4f0e3eb83fc22c5e" title="Retrieve error synopsis for codec context.">vpx_codec_error</a>(ctx));
    128. 

  128. <a name="l00102"></a>00102 
    129. 

  129. <a name="l00103"></a>00103         <span class="keywordflow">if</span> (detail)
    130. 

  130. <a name="l00104"></a>00104             fprintf(stderr, <span class="stringliteral">&quot;    %s\n&quot;</span>, detail);
    131. 

  131. <a name="l00105"></a>00105 
    132. 

  132. <a name="l00106"></a>00106         exit(EXIT_FAILURE);
    133. 

  133. <a name="l00107"></a>00107     }
    134. 

  134. <a name="l00108"></a>00108 }
    135. 

  135. <a name="l00109"></a>00109 
    136. 

  136. <a name="l00110"></a>00110 <span class="comment">/* This structure is used to abstract the different ways of handling</span>
    137. 

  137. <a name="l00111"></a>00111 <span class="comment"> * first pass statistics.</span>
    138. 

  138. <a name="l00112"></a>00112 <span class="comment"> */</span>
    139. 

  139. <a name="l00113"></a>00113 <span class="keyword">typedef</span> <span class="keyword">struct</span>
    140. 

  140. <a name="l00114"></a>00114 {
    141. 

  141. <a name="l00115"></a>00115     <a class="code" href="structvpx__fixed__buf.html" title="Generic fixed size buffer structure.">vpx_fixed_buf_t</a> buf;
    142. 

  142. <a name="l00116"></a>00116     <span class="keywordtype">int</span>             pass;
    143. 

  143. <a name="l00117"></a>00117     FILE           *file;
    144. 

  144. <a name="l00118"></a>00118     <span class="keywordtype">char</span>           *buf_ptr;
    145. 

  145. <a name="l00119"></a>00119     <span class="keywordtype">size_t</span>          buf_alloc_sz;
    146. 

  146. <a name="l00120"></a>00120 } stats_io_t;
    147. 

  147. <a name="l00121"></a>00121 
    148. 

  148. <a name="l00122"></a>00122 <span class="keywordtype">int</span> stats_open_file(stats_io_t *stats, <span class="keyword">const</span> <span class="keywordtype">char</span> *fpf, <span class="keywordtype">int</span> pass)
    149. 

  149. <a name="l00123"></a>00123 {
    150. 

  150. <a name="l00124"></a>00124     <span class="keywordtype">int</span> res;
    151. 

  151. <a name="l00125"></a>00125 
    152. 

  152. <a name="l00126"></a>00126     stats-&gt;pass = pass;
    153. 

  153. <a name="l00127"></a>00127 
    154. 

  154. <a name="l00128"></a>00128     <span class="keywordflow">if</span> (pass == 0)
    155. 

  155. <a name="l00129"></a>00129     {
    156. 

  156. <a name="l00130"></a>00130         stats-&gt;file = fopen(fpf, <span class="stringliteral">&quot;wb&quot;</span>);
    157. 

  157. <a name="l00131"></a>00131         stats-&gt;buf.sz = 0;
    158. 

  158. <a name="l00132"></a>00132         stats-&gt;buf.buf = NULL,
    159. 

  159. <a name="l00133"></a>00133                    res = (stats-&gt;file != NULL);
    160. 

  160. <a name="l00134"></a>00134     }
    161. 

  161. <a name="l00135"></a>00135     <span class="keywordflow">else</span>
    162. 

  162. <a name="l00136"></a>00136     {
    163. 

  163. <a name="l00137"></a>00137 <span class="preprocessor">#if 0</span>
    164. 

  164. <a name="l00138"></a>00138 <span class="preprocessor"></span><span class="preprocessor">#elif USE_POSIX_MMAP</span>
    165. 

  165. <a name="l00139"></a>00139 <span class="preprocessor"></span>        <span class="keyword">struct </span>stat stat_buf;
    166. 

  166. <a name="l00140"></a>00140         <span class="keywordtype">int</span> fd;
    167. 

  167. <a name="l00141"></a>00141 
    168. 

  168. <a name="l00142"></a>00142         fd = open(fpf, O_RDONLY);
    169. 

  169. <a name="l00143"></a>00143         stats-&gt;file = fdopen(fd, <span class="stringliteral">&quot;rb&quot;</span>);
    170. 

  170. <a name="l00144"></a>00144         fstat(fd, &amp;stat_buf);
    171. 

  171. <a name="l00145"></a>00145         stats-&gt;buf.sz = stat_buf.st_size;
    172. 

  172. <a name="l00146"></a>00146         stats-&gt;buf.buf = mmap(NULL, stats-&gt;buf.sz, PROT_READ, MAP_PRIVATE,
    173. 

  173. <a name="l00147"></a>00147                               fd, 0);
    174. 

  174. <a name="l00148"></a>00148         res = (stats-&gt;buf.buf != NULL);
    175. 

  175. <a name="l00149"></a>00149 <span class="preprocessor">#else</span>
    176. 

  176. <a name="l00150"></a>00150 <span class="preprocessor"></span>        <span class="keywordtype">size_t</span> nbytes;
    177. 

  177. <a name="l00151"></a>00151 
    178. 

  178. <a name="l00152"></a>00152         stats-&gt;file = fopen(fpf, <span class="stringliteral">&quot;rb&quot;</span>);
    179. 

  179. <a name="l00153"></a>00153 
    180. 

  180. <a name="l00154"></a>00154         <span class="keywordflow">if</span> (fseek(stats-&gt;file, 0, SEEK_END))
    181. 

  181. <a name="l00155"></a>00155         {
    182. 

  182. <a name="l00156"></a>00156             fprintf(stderr, <span class="stringliteral">&quot;First-pass stats file must be seekable!\n&quot;</span>);
    183. 

  183. <a name="l00157"></a>00157             exit(EXIT_FAILURE);
    184. 

  184. <a name="l00158"></a>00158         }
    185. 

  185. <a name="l00159"></a>00159 
    186. 

  186. <a name="l00160"></a>00160         stats-&gt;buf.sz = stats-&gt;buf_alloc_sz = ftell(stats-&gt;file);
    187. 

  187. <a name="l00161"></a>00161         rewind(stats-&gt;file);
    188. 

  188. <a name="l00162"></a>00162 
    189. 

  189. <a name="l00163"></a>00163         stats-&gt;buf.buf = malloc(stats-&gt;buf_alloc_sz);
    190. 

  190. <a name="l00164"></a>00164 
    191. 

  191. <a name="l00165"></a>00165         <span class="keywordflow">if</span> (!stats-&gt;buf.buf)
    192. 

  192. <a name="l00166"></a>00166         {
    193. 

  193. <a name="l00167"></a>00167             fprintf(stderr, <span class="stringliteral">&quot;Failed to allocate first-pass stats buffer (%lu bytes)\n&quot;</span>,
    194. 

  194. <a name="l00168"></a>00168                     (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)stats-&gt;buf_alloc_sz);
    195. 

  195. <a name="l00169"></a>00169             exit(EXIT_FAILURE);
    196. 

  196. <a name="l00170"></a>00170         }
    197. 

  197. <a name="l00171"></a>00171 
    198. 

  198. <a name="l00172"></a>00172         nbytes = fread(stats-&gt;buf.buf, 1, stats-&gt;buf.sz, stats-&gt;file);
    199. 

  199. <a name="l00173"></a>00173         res = (nbytes == stats-&gt;buf.sz);
    200. 

  200. <a name="l00174"></a>00174 <span class="preprocessor">#endif</span>
    201. 

  201. <a name="l00175"></a>00175 <span class="preprocessor"></span>    }
    202. 

  202. <a name="l00176"></a>00176 
    203. 

  203. <a name="l00177"></a>00177     <span class="keywordflow">return</span> res;
    204. 

  204. <a name="l00178"></a>00178 }
    205. 

  205. <a name="l00179"></a>00179 
    206. 

  206. <a name="l00180"></a>00180 <span class="keywordtype">int</span> stats_open_mem(stats_io_t *stats, <span class="keywordtype">int</span> pass)
    207. 

  207. <a name="l00181"></a>00181 {
    208. 

  208. <a name="l00182"></a>00182     <span class="keywordtype">int</span> res;
    209. 

  209. <a name="l00183"></a>00183     stats-&gt;pass = pass;
    210. 

  210. <a name="l00184"></a>00184 
    211. 

  211. <a name="l00185"></a>00185     <span class="keywordflow">if</span> (!pass)
    212. 

  212. <a name="l00186"></a>00186     {
    213. 

  213. <a name="l00187"></a>00187         stats-&gt;buf.sz = 0;
    214. 

  214. <a name="l00188"></a>00188         stats-&gt;buf_alloc_sz = 64 * 1024;
    215. 

  215. <a name="l00189"></a>00189         stats-&gt;buf.buf = malloc(stats-&gt;buf_alloc_sz);
    216. 

  216. <a name="l00190"></a>00190     }
    217. 

  217. <a name="l00191"></a>00191 
    218. 

  218. <a name="l00192"></a>00192     stats-&gt;buf_ptr = stats-&gt;buf.buf;
    219. 

  219. <a name="l00193"></a>00193     res = (stats-&gt;buf.buf != NULL);
    220. 

  220. <a name="l00194"></a>00194     <span class="keywordflow">return</span> res;
    221. 

  221. <a name="l00195"></a>00195 }
    222. 

  222. <a name="l00196"></a>00196 
    223. 

  223. <a name="l00197"></a>00197 
    224. 

  224. <a name="l00198"></a>00198 <span class="keywordtype">void</span> stats_close(stats_io_t *stats, <span class="keywordtype">int</span> last_pass)
    225. 

  225. <a name="l00199"></a>00199 {
    226. 

  226. <a name="l00200"></a>00200     <span class="keywordflow">if</span> (stats-&gt;file)
    227. 

  227. <a name="l00201"></a>00201     {
    228. 

  228. <a name="l00202"></a>00202         <span class="keywordflow">if</span> (stats-&gt;pass == last_pass)
    229. 

  229. <a name="l00203"></a>00203         {
    230. 

  230. <a name="l00204"></a>00204 <span class="preprocessor">#if 0</span>
    231. 

  231. <a name="l00205"></a>00205 <span class="preprocessor"></span><span class="preprocessor">#elif USE_POSIX_MMAP</span>
    232. 

  232. <a name="l00206"></a>00206 <span class="preprocessor"></span>            munmap(stats-&gt;buf.buf, stats-&gt;buf.sz);
    233. 

  233. <a name="l00207"></a>00207 <span class="preprocessor">#else</span>
    234. 

  234. <a name="l00208"></a>00208 <span class="preprocessor"></span>            free(stats-&gt;buf.buf);
    235. 

  235. <a name="l00209"></a>00209 <span class="preprocessor">#endif</span>
    236. 

  236. <a name="l00210"></a>00210 <span class="preprocessor"></span>        }
    237. 

  237. <a name="l00211"></a>00211 
    238. 

  238. <a name="l00212"></a>00212         fclose(stats-&gt;file);
    239. 

  239. <a name="l00213"></a>00213         stats-&gt;file = NULL;
    240. 

  240. <a name="l00214"></a>00214     }
    241. 

  241. <a name="l00215"></a>00215     <span class="keywordflow">else</span>
    242. 

  242. <a name="l00216"></a>00216     {
    243. 

  243. <a name="l00217"></a>00217         <span class="keywordflow">if</span> (stats-&gt;pass == last_pass)
    244. 

  244. <a name="l00218"></a>00218             free(stats-&gt;buf.buf);
    245. 

  245. <a name="l00219"></a>00219     }
    246. 

  246. <a name="l00220"></a>00220 }
    247. 

  247. <a name="l00221"></a>00221 
    248. 

  248. <a name="l00222"></a>00222 <span class="keywordtype">void</span> stats_write(stats_io_t *stats, <span class="keyword">const</span> <span class="keywordtype">void</span> *pkt, <span class="keywordtype">size_t</span> len)
    249. 

  249. <a name="l00223"></a>00223 {
    250. 

  250. <a name="l00224"></a>00224     <span class="keywordflow">if</span> (stats-&gt;file)
    251. 

  251. <a name="l00225"></a>00225     {
    252. 

  252. <a name="l00226"></a>00226         <span class="keywordflow">if</span>(fwrite(pkt, 1, len, stats-&gt;file));
    253. 

  253. <a name="l00227"></a>00227     }
    254. 

  254. <a name="l00228"></a>00228     <span class="keywordflow">else</span>
    255. 

  255. <a name="l00229"></a>00229     {
    256. 

  256. <a name="l00230"></a>00230         <span class="keywordflow">if</span> (stats-&gt;buf.sz + len &gt; stats-&gt;buf_alloc_sz)
    257. 

  257. <a name="l00231"></a>00231         {
    258. 

  258. <a name="l00232"></a>00232             <span class="keywordtype">size_t</span>  new_sz = stats-&gt;buf_alloc_sz + 64 * 1024;
    259. 

  259. <a name="l00233"></a>00233             <span class="keywordtype">char</span>   *new_ptr = realloc(stats-&gt;buf.buf, new_sz);
    260. 

  260. <a name="l00234"></a>00234 
    261. 

  261. <a name="l00235"></a>00235             <span class="keywordflow">if</span> (new_ptr)
    262. 

  262. <a name="l00236"></a>00236             {
    263. 

  263. <a name="l00237"></a>00237                 stats-&gt;buf_ptr = new_ptr + (stats-&gt;buf_ptr - (<span class="keywordtype">char</span> *)stats-&gt;buf.buf);
    264. 

  264. <a name="l00238"></a>00238                 stats-&gt;buf.buf = new_ptr;
    265. 

  265. <a name="l00239"></a>00239                 stats-&gt;buf_alloc_sz = new_sz;
    266. 

  266. <a name="l00240"></a>00240             }
    267. 

  267. <a name="l00241"></a>00241             <span class="keywordflow">else</span>
    268. 

  268. <a name="l00242"></a>00242             {
    269. 

  269. <a name="l00243"></a>00243                 fprintf(stderr,
    270. 

  270. <a name="l00244"></a>00244                         <span class="stringliteral">&quot;\nFailed to realloc firstpass stats buffer.\n&quot;</span>);
    271. 

  271. <a name="l00245"></a>00245                 exit(EXIT_FAILURE);
    272. 

  272. <a name="l00246"></a>00246             }
    273. 

  273. <a name="l00247"></a>00247         }
    274. 

  274. <a name="l00248"></a>00248 
    275. 

  275. <a name="l00249"></a>00249         memcpy(stats-&gt;buf_ptr, pkt, len);
    276. 

  276. <a name="l00250"></a>00250         stats-&gt;buf.sz += len;
    277. 

  277. <a name="l00251"></a>00251         stats-&gt;buf_ptr += len;
    278. 

  278. <a name="l00252"></a>00252     }
    279. 

  279. <a name="l00253"></a>00253 }
    280. 

  280. <a name="l00254"></a>00254 
    281. 

  281. <a name="l00255"></a>00255 <a class="code" href="structvpx__fixed__buf.html" title="Generic fixed size buffer structure.">vpx_fixed_buf_t</a> stats_get(stats_io_t *stats)
    282. 

  282. <a name="l00256"></a>00256 {
    283. 

  283. <a name="l00257"></a>00257     <span class="keywordflow">return</span> stats-&gt;buf;
    284. 

  284. <a name="l00258"></a>00258 }
    285. 

  285. <a name="l00259"></a>00259 
    286. 

  286. <a name="l00260"></a>00260 <span class="comment">/* Stereo 3D packed frame format */</span>
    287. 

  287. <a name="l00261"></a>00261 <span class="keyword">typedef</span> <span class="keyword">enum</span> stereo_format
    288. 

  288. <a name="l00262"></a>00262 {
    289. 

  289. <a name="l00263"></a>00263     STEREO_FORMAT_MONO       = 0,
    290. 

  290. <a name="l00264"></a>00264     STEREO_FORMAT_LEFT_RIGHT = 1,
    291. 

  291. <a name="l00265"></a>00265     STEREO_FORMAT_BOTTOM_TOP = 2,
    292. 

  292. <a name="l00266"></a>00266     STEREO_FORMAT_TOP_BOTTOM = 3,
    293. 

  293. <a name="l00267"></a>00267     STEREO_FORMAT_RIGHT_LEFT = 11
    294. 

  294. <a name="l00268"></a>00268 } stereo_format_t;
    295. 

  295. <a name="l00269"></a>00269 
    296. 

  296. <a name="l00270"></a>00270 <span class="keyword">enum</span> video_file_type
    297. 

  297. <a name="l00271"></a>00271 {
    298. 

  298. <a name="l00272"></a>00272     FILE_TYPE_RAW,
    299. 

  299. <a name="l00273"></a>00273     FILE_TYPE_IVF,
    300. 

  300. <a name="l00274"></a>00274     FILE_TYPE_Y4M
    301. 

  301. <a name="l00275"></a>00275 };
    302. 

  302. <a name="l00276"></a>00276 
    303. 

  303. <a name="l00277"></a>00277 <span class="keyword">struct </span>detect_buffer {
    304. 

  304. <a name="l00278"></a>00278     <span class="keywordtype">char</span> buf[4];
    305. 

  305. <a name="l00279"></a>00279     <span class="keywordtype">size_t</span> buf_read;
    306. 

  306. <a name="l00280"></a>00280     <span class="keywordtype">size_t</span> position;
    307. 

  307. <a name="l00281"></a>00281 };
    308. 

  308. <a name="l00282"></a>00282 
    309. 

  309. <a name="l00283"></a>00283 
    310. 

  310. <a name="l00284"></a>00284 <span class="preprocessor">#define IVF_FRAME_HDR_SZ (4+8) </span><span class="comment">/* 4 byte size + 8 byte timestamp */</span>
    311. 

  311. <a name="l00285"></a>00285 <span class="keyword">static</span> <span class="keywordtype">int</span> read_frame(FILE *f, <a class="code" href="structvpx__image.html" title="Image Descriptor.">vpx_image_t</a> *img, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> file_type,
    312. 

  312. <a name="l00286"></a>00286                       y4m_input *y4m, <span class="keyword">struct</span> detect_buffer *detect)
    313. 

  313. <a name="l00287"></a>00287 {
    314. 

  314. <a name="l00288"></a>00288     <span class="keywordtype">int</span> plane = 0;
    315. 

  315. <a name="l00289"></a>00289     <span class="keywordtype">int</span> shortread = 0;
    316. 

  316. <a name="l00290"></a>00290 
    317. 

  317. <a name="l00291"></a>00291     <span class="keywordflow">if</span> (file_type == FILE_TYPE_Y4M)
    318. 

  318. <a name="l00292"></a>00292     {
    319. 

  319. <a name="l00293"></a>00293         <span class="keywordflow">if</span> (y4m_input_fetch_frame(y4m, f, img) &lt; 1)
    320. 

  320. <a name="l00294"></a>00294            <span class="keywordflow">return</span> 0;
    321. 

  321. <a name="l00295"></a>00295     }
    322. 

  322. <a name="l00296"></a>00296     <span class="keywordflow">else</span>
    323. 

  323. <a name="l00297"></a>00297     {
    324. 

  324. <a name="l00298"></a>00298         <span class="keywordflow">if</span> (file_type == FILE_TYPE_IVF)
    325. 

  325. <a name="l00299"></a>00299         {
    326. 

  326. <a name="l00300"></a>00300             <span class="keywordtype">char</span> junk[IVF_FRAME_HDR_SZ];
    327. 

  327. <a name="l00301"></a>00301 
    328. 

  328. <a name="l00302"></a>00302             <span class="comment">/* Skip the frame header. We know how big the frame should be. See</span>
    329. 

  329. <a name="l00303"></a>00303 <span class="comment">             * write_ivf_frame_header() for documentation on the frame header</span>
    330. 

  330. <a name="l00304"></a>00304 <span class="comment">             * layout.</span>
    331. 

  331. <a name="l00305"></a>00305 <span class="comment">             */</span>
    332. 

  332. <a name="l00306"></a>00306             <span class="keywordflow">if</span>(fread(junk, 1, IVF_FRAME_HDR_SZ, f));
    333. 

  333. <a name="l00307"></a>00307         }
    334. 

  334. <a name="l00308"></a>00308 
    335. 

  335. <a name="l00309"></a>00309         <span class="keywordflow">for</span> (plane = 0; plane &lt; 3; plane++)
    336. 

  336. <a name="l00310"></a>00310         {
    337. 

  337. <a name="l00311"></a>00311             <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *ptr;
    338. 

  338. <a name="l00312"></a>00312             <span class="keywordtype">int</span> w = (plane ? (1 + img-&gt;<a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a>) / 2 : img-&gt;<a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a>);
    339. 

  339. <a name="l00313"></a>00313             <span class="keywordtype">int</span> h = (plane ? (1 + img-&gt;<a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a>) / 2 : img-&gt;<a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a>);
    340. 

  340. <a name="l00314"></a>00314             <span class="keywordtype">int</span> r;
    341. 

  341. <a name="l00315"></a>00315 
    342. 

  342. <a name="l00316"></a>00316             <span class="comment">/* Determine the correct plane based on the image format. The for-loop</span>
    343. 

  343. <a name="l00317"></a>00317 <span class="comment">             * always counts in Y,U,V order, but this may not match the order of</span>
    344. 

  344. <a name="l00318"></a>00318 <span class="comment">             * the data on disk.</span>
    345. 

  345. <a name="l00319"></a>00319 <span class="comment">             */</span>
    346. 

  346. <a name="l00320"></a>00320             <span class="keywordflow">switch</span> (plane)
    347. 

  347. <a name="l00321"></a>00321             {
    348. 

  348. <a name="l00322"></a>00322             <span class="keywordflow">case</span> 1:
    349. 

  349. <a name="l00323"></a>00323                 ptr = img-&gt;<a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[img-&gt;<a class="code" href="structvpx__image.html#a1d734f8afa9200a21c2d9f6bcf8c04d8">fmt</a>==<a class="code" href="vpx__image_8h.html#a7a30a7bff7400fb83ad45fede5077193a6e4e8961bbcf96478c300dc4c3e1dc18">VPX_IMG_FMT_YV12</a>? <a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a> : <a class="code" href="vpx__image_8h.html#a4770fc8fa60021a2229f25553152cf81">VPX_PLANE_U</a>];
    350. 

  350. <a name="l00324"></a>00324                 <span class="keywordflow">break</span>;
    351. 

  351. <a name="l00325"></a>00325             <span class="keywordflow">case</span> 2:
    352. 

  352. <a name="l00326"></a>00326                 ptr = img-&gt;<a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[img-&gt;<a class="code" href="structvpx__image.html#a1d734f8afa9200a21c2d9f6bcf8c04d8">fmt</a>==<a class="code" href="vpx__image_8h.html#a7a30a7bff7400fb83ad45fede5077193a6e4e8961bbcf96478c300dc4c3e1dc18">VPX_IMG_FMT_YV12</a>?<a class="code" href="vpx__image_8h.html#a4770fc8fa60021a2229f25553152cf81">VPX_PLANE_U</a> : <a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>];
    353. 

  353. <a name="l00327"></a>00327                 <span class="keywordflow">break</span>;
    354. 

  354. <a name="l00328"></a>00328             <span class="keywordflow">default</span>:
    355. 

  355. <a name="l00329"></a>00329                 ptr = img-&gt;<a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[plane];
    356. 

  356. <a name="l00330"></a>00330             }
    357. 

  357. <a name="l00331"></a>00331 
    358. 

  358. <a name="l00332"></a>00332             <span class="keywordflow">for</span> (r = 0; r &lt; h; r++)
    359. 

  359. <a name="l00333"></a>00333             {
    360. 

  360. <a name="l00334"></a>00334                 <span class="keywordtype">size_t</span> needed = w;
    361. 

  361. <a name="l00335"></a>00335                 <span class="keywordtype">size_t</span> buf_position = 0;
    362. 

  362. <a name="l00336"></a>00336                 <span class="keyword">const</span> <span class="keywordtype">size_t</span> left = detect-&gt;buf_read - detect-&gt;position;
    363. 

  363. <a name="l00337"></a>00337                 <span class="keywordflow">if</span> (left &gt; 0)
    364. 

  364. <a name="l00338"></a>00338                 {
    365. 

  365. <a name="l00339"></a>00339                     <span class="keyword">const</span> <span class="keywordtype">size_t</span> more = (left &lt; needed) ? left : needed;
    366. 

  366. <a name="l00340"></a>00340                     memcpy(ptr, detect-&gt;buf + detect-&gt;position, more);
    367. 

  367. <a name="l00341"></a>00341                     buf_position = more;
    368. 

  368. <a name="l00342"></a>00342                     needed -= more;
    369. 

  369. <a name="l00343"></a>00343                     detect-&gt;position += more;
    370. 

  370. <a name="l00344"></a>00344                 }
    371. 

  371. <a name="l00345"></a>00345                 <span class="keywordflow">if</span> (needed &gt; 0)
    372. 

  372. <a name="l00346"></a>00346                 {
    373. 

  373. <a name="l00347"></a>00347                     shortread |= (fread(ptr + buf_position, 1, needed, f) &lt; needed);
    374. 

  374. <a name="l00348"></a>00348                 }
    375. 

  375. <a name="l00349"></a>00349 
    376. 

  376. <a name="l00350"></a>00350                 ptr += img-&gt;<a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[plane];
    377. 

  377. <a name="l00351"></a>00351             }
    378. 

  378. <a name="l00352"></a>00352         }
    379. 

  379. <a name="l00353"></a>00353     }
    380. 

  380. <a name="l00354"></a>00354 
    381. 

  381. <a name="l00355"></a>00355     <span class="keywordflow">return</span> !shortread;
    382. 

  382. <a name="l00356"></a>00356 }
    383. 

  383. <a name="l00357"></a>00357 
    384. 

  384. <a name="l00358"></a>00358 
    385. 

  385. <a name="l00359"></a>00359 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> file_is_y4m(FILE      *infile,
    386. 

  386. <a name="l00360"></a>00360                          y4m_input *y4m,
    387. 

  387. <a name="l00361"></a>00361                          <span class="keywordtype">char</span>       detect[4])
    388. 

  388. <a name="l00362"></a>00362 {
    389. 

  389. <a name="l00363"></a>00363     <span class="keywordflow">if</span>(memcmp(detect, <span class="stringliteral">&quot;YUV4&quot;</span>, 4) == 0)
    390. 

  390. <a name="l00364"></a>00364     {
    391. 

  391. <a name="l00365"></a>00365         <span class="keywordflow">return</span> 1;
    392. 

  392. <a name="l00366"></a>00366     }
    393. 

  393. <a name="l00367"></a>00367     <span class="keywordflow">return</span> 0;
    394. 

  394. <a name="l00368"></a>00368 }
    395. 

  395. <a name="l00369"></a>00369 
    396. 

  396. <a name="l00370"></a>00370 <span class="preprocessor">#define IVF_FILE_HDR_SZ (32)</span>
    397. 

  397. <a name="l00371"></a>00371 <span class="preprocessor"></span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> file_is_ivf(FILE *infile,
    398. 

  398. <a name="l00372"></a>00372                          <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *fourcc,
    399. 

  399. <a name="l00373"></a>00373                          <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *width,
    400. 

  400. <a name="l00374"></a>00374                          <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *height,
    401. 

  401. <a name="l00375"></a>00375                          <span class="keyword">struct</span> detect_buffer *detect)
    402. 

  402. <a name="l00376"></a>00376 {
    403. 

  403. <a name="l00377"></a>00377     <span class="keywordtype">char</span> raw_hdr[IVF_FILE_HDR_SZ];
    404. 

  404. <a name="l00378"></a>00378     <span class="keywordtype">int</span> is_ivf = 0;
    405. 

  405. <a name="l00379"></a>00379 
    406. 

  406. <a name="l00380"></a>00380     <span class="keywordflow">if</span>(memcmp(detect-&gt;buf, <span class="stringliteral">&quot;DKIF&quot;</span>, 4) != 0)
    407. 

  407. <a name="l00381"></a>00381         <span class="keywordflow">return</span> 0;
    408. 

  408. <a name="l00382"></a>00382 
    409. 

  409. <a name="l00383"></a>00383     <span class="comment">/* See write_ivf_file_header() for more documentation on the file header</span>
    410. 

  410. <a name="l00384"></a>00384 <span class="comment">     * layout.</span>
    411. 

  411. <a name="l00385"></a>00385 <span class="comment">     */</span>
    412. 

  412. <a name="l00386"></a>00386     <span class="keywordflow">if</span> (fread(raw_hdr + 4, 1, IVF_FILE_HDR_SZ - 4, infile)
    413. 

  413. <a name="l00387"></a>00387         == IVF_FILE_HDR_SZ - 4)
    414. 

  414. <a name="l00388"></a>00388     {
    415. 

  415. <a name="l00389"></a>00389         {
    416. 

  416. <a name="l00390"></a>00390             is_ivf = 1;
    417. 

  417. <a name="l00391"></a>00391 
    418. 

  418. <a name="l00392"></a>00392             <span class="keywordflow">if</span> (mem_get_le16(raw_hdr + 4) != 0)
    419. 

  419. <a name="l00393"></a>00393                 fprintf(stderr, <span class="stringliteral">&quot;Error: Unrecognized IVF version! This file may not&quot;</span>
    420. 

  420. <a name="l00394"></a>00394                         <span class="stringliteral">&quot; decode properly.&quot;</span>);
    421. 

  421. <a name="l00395"></a>00395 
    422. 

  422. <a name="l00396"></a>00396             *fourcc = mem_get_le32(raw_hdr + 8);
    423. 

  423. <a name="l00397"></a>00397         }
    424. 

  424. <a name="l00398"></a>00398     }
    425. 

  425. <a name="l00399"></a>00399 
    426. 

  426. <a name="l00400"></a>00400     <span class="keywordflow">if</span> (is_ivf)
    427. 

  427. <a name="l00401"></a>00401     {
    428. 

  428. <a name="l00402"></a>00402         *width = mem_get_le16(raw_hdr + 12);
    429. 

  429. <a name="l00403"></a>00403         *height = mem_get_le16(raw_hdr + 14);
    430. 

  430. <a name="l00404"></a>00404         detect-&gt;position = 4;
    431. 

  431. <a name="l00405"></a>00405     }
    432. 

  432. <a name="l00406"></a>00406 
    433. 

  433. <a name="l00407"></a>00407     <span class="keywordflow">return</span> is_ivf;
    434. 

  434. <a name="l00408"></a>00408 }
    435. 

  435. <a name="l00409"></a>00409 
    436. 

  436. <a name="l00410"></a>00410 
    437. 

  437. <a name="l00411"></a>00411 <span class="keyword">static</span> <span class="keywordtype">void</span> write_ivf_file_header(FILE *outfile,
    438. 

  438. <a name="l00412"></a>00412                                   <span class="keyword">const</span> <a class="code" href="structvpx__codec__enc__cfg.html" title="Encoder configuration structure.">vpx_codec_enc_cfg_t</a> *cfg,
    439. 

  439. <a name="l00413"></a>00413                                   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fourcc,
    440. 

  440. <a name="l00414"></a>00414                                   <span class="keywordtype">int</span> frame_cnt)
    441. 

  441. <a name="l00415"></a>00415 {
    442. 

  442. <a name="l00416"></a>00416     <span class="keywordtype">char</span> header[32];
    443. 

  443. <a name="l00417"></a>00417 
    444. 

  444. <a name="l00418"></a>00418     <span class="keywordflow">if</span> (cfg-&gt;<a class="code" href="structvpx__codec__enc__cfg.html#a70d62d87aae7d1168746577f14a6dccf" title="Multi-pass Encoding Mode.">g_pass</a> != <a class="code" href="group__encoder.html#gga476c5417f9c15a1dc5d3f68fa44c493fa7b6943a41868e8e26a77e9500f139ca1">VPX_RC_ONE_PASS</a> &amp;&amp; cfg-&gt;<a class="code" href="structvpx__codec__enc__cfg.html#a70d62d87aae7d1168746577f14a6dccf" title="Multi-pass Encoding Mode.">g_pass</a> != <a class="code" href="group__encoder.html#gga476c5417f9c15a1dc5d3f68fa44c493fa65da543b956d6a9b1f301ab8cc90d3a7">VPX_RC_LAST_PASS</a>)
    445. 

  445. <a name="l00419"></a>00419         <span class="keywordflow">return</span>;
    446. 

  446. <a name="l00420"></a>00420 
    447. 

  447. <a name="l00421"></a>00421     header[0] = <span class="charliteral">&apos;D&apos;</span>;
    448. 

  448. <a name="l00422"></a>00422     header[1] = <span class="charliteral">&apos;K&apos;</span>;
    449. 

  449. <a name="l00423"></a>00423     header[2] = <span class="charliteral">&apos;I&apos;</span>;
    450. 

  450. <a name="l00424"></a>00424     header[3] = <span class="charliteral">&apos;F&apos;</span>;
    451. 

  451. <a name="l00425"></a>00425     mem_put_le16(header + 4,  0);                 <span class="comment">/* version */</span>
    452. 

  452. <a name="l00426"></a>00426     mem_put_le16(header + 6,  32);                <span class="comment">/* headersize */</span>
    453. 

  453. <a name="l00427"></a>00427     mem_put_le32(header + 8,  fourcc);            <span class="comment">/* headersize */</span>
    454. 

  454. <a name="l00428"></a>00428     mem_put_le16(header + 12, cfg-&gt;<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c" title="Width of the frame.">g_w</a>);          <span class="comment">/* width */</span>
    455. 

  455. <a name="l00429"></a>00429     mem_put_le16(header + 14, cfg-&gt;<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e" title="Height of the frame.">g_h</a>);          <span class="comment">/* height */</span>
    456. 

  456. <a name="l00430"></a>00430     mem_put_le32(header + 16, cfg-&gt;<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087" title="Stream timebase units.">g_timebase</a>.<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a>); <span class="comment">/* rate */</span>
    457. 

  457. <a name="l00431"></a>00431     mem_put_le32(header + 20, cfg-&gt;<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087" title="Stream timebase units.">g_timebase</a>.<a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a>); <span class="comment">/* scale */</span>
    458. 

  458. <a name="l00432"></a>00432     mem_put_le32(header + 24, frame_cnt);         <span class="comment">/* length */</span>
    459. 

  459. <a name="l00433"></a>00433     mem_put_le32(header + 28, 0);                 <span class="comment">/* unused */</span>
    460. 

  460. <a name="l00434"></a>00434 
    461. 

  461. <a name="l00435"></a>00435     <span class="keywordflow">if</span>(fwrite(header, 1, 32, outfile));
    462. 

  462. <a name="l00436"></a>00436 }
    463. 

  463. <a name="l00437"></a>00437 
    464. 

  464. <a name="l00438"></a>00438 
    465. 

  465. <a name="l00439"></a>00439 <span class="keyword">static</span> <span class="keywordtype">void</span> write_ivf_frame_header(FILE *outfile,
    466. 

  466. <a name="l00440"></a>00440                                    <span class="keyword">const</span> <a class="code" href="structvpx__codec__cx__pkt.html" title="Encoder output packet.">vpx_codec_cx_pkt_t</a> *pkt)
    467. 

  467. <a name="l00441"></a>00441 {
    468. 

  468. <a name="l00442"></a>00442     <span class="keywordtype">char</span>             header[12];
    469. 

  469. <a name="l00443"></a>00443     <a class="code" href="group__encoder.html#ga7e711b0a71c65aef8f0faea8bd57b05f" title="Time Stamp Type.">vpx_codec_pts_t</a>  pts;
    470. 

  470. <a name="l00444"></a>00444 
    471. 

  471. <a name="l00445"></a>00445     <span class="keywordflow">if</span> (pkt-&gt;<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>)
    472. 

  472. <a name="l00446"></a>00446         <span class="keywordflow">return</span>;
    473. 

  473. <a name="l00447"></a>00447 
    474. 

  474. <a name="l00448"></a>00448     pts = pkt-&gt;<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;
    475. 

  475. <a name="l00449"></a>00449     mem_put_le32(header, pkt-&gt;<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);
    476. 

  476. <a name="l00450"></a>00450     mem_put_le32(header + 4, pts &amp; 0xFFFFFFFF);
    477. 

  477. <a name="l00451"></a>00451     mem_put_le32(header + 8, pts &gt;&gt; 32);
    478. 

  478. <a name="l00452"></a>00452 
    479. 

  479. <a name="l00453"></a>00453     <span class="keywordflow">if</span>(fwrite(header, 1, 12, outfile));
    480. 

  480. <a name="l00454"></a>00454 }
    481. 

  481. <a name="l00455"></a>00455 
    482. 

  482. <a name="l00456"></a>00456 
    483. 

  483. <a name="l00457"></a>00457 <span class="keyword">typedef</span> off_t EbmlLoc;
    484. 

  484. <a name="l00458"></a>00458 
    485. 

  485. <a name="l00459"></a>00459 
    486. 

  486. <a name="l00460"></a>00460 <span class="keyword">struct </span>cue_entry
    487. 

  487. <a name="l00461"></a>00461 {
    488. 

  488. <a name="l00462"></a>00462     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> time;
    489. 

  489. <a name="l00463"></a>00463     uint64_t     loc;
    490. 

  490. <a name="l00464"></a>00464 };
    491. 

  491. <a name="l00465"></a>00465 
    492. 

  492. <a name="l00466"></a>00466 
    493. 

  493. <a name="l00467"></a>00467 <span class="keyword">struct </span>EbmlGlobal
    494. 

  494. <a name="l00468"></a>00468 {
    495. 

  495. <a name="l00469"></a>00469     <span class="keywordtype">int</span> debug;
    496. 

  496. <a name="l00470"></a>00470 
    497. 

  497. <a name="l00471"></a>00471     FILE    *stream;
    498. 

  498. <a name="l00472"></a>00472     int64_t last_pts_ms;
    499. 

  499. <a name="l00473"></a>00473     <a class="code" href="structvpx__rational.html" title="Rational Number.">vpx_rational_t</a>  framerate;
    500. 

  500. <a name="l00474"></a>00474 
    501. 

  501. <a name="l00475"></a>00475     <span class="comment">/* These pointers are to the start of an element */</span>
    502. 

  502. <a name="l00476"></a>00476     off_t    position_reference;
    503. 

  503. <a name="l00477"></a>00477     off_t    seek_info_pos;
    504. 

  504. <a name="l00478"></a>00478     off_t    segment_info_pos;
    505. 

  505. <a name="l00479"></a>00479     off_t    track_pos;
    506. 

  506. <a name="l00480"></a>00480     off_t    cue_pos;
    507. 

  507. <a name="l00481"></a>00481     off_t    cluster_pos;
    508. 

  508. <a name="l00482"></a>00482 
    509. 

  509. <a name="l00483"></a>00483     <span class="comment">/* This pointer is to a specific element to be serialized */</span>
    510. 

  510. <a name="l00484"></a>00484     off_t    track_id_pos;
    511. 

  511. <a name="l00485"></a>00485 
    512. 

  512. <a name="l00486"></a>00486     <span class="comment">/* These pointers are to the size field of the element */</span>
    513. 

  513. <a name="l00487"></a>00487     EbmlLoc  startSegment;
    514. 

  514. <a name="l00488"></a>00488     EbmlLoc  startCluster;
    515. 

  515. <a name="l00489"></a>00489 
    516. 

  516. <a name="l00490"></a>00490     uint32_t cluster_timecode;
    517. 

  517. <a name="l00491"></a>00491     <span class="keywordtype">int</span>      cluster_open;
    518. 

  518. <a name="l00492"></a>00492 
    519. 

  519. <a name="l00493"></a>00493     <span class="keyword">struct </span>cue_entry *cue_list;
    520. 

  520. <a name="l00494"></a>00494     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>      cues;
    521. 

  521. <a name="l00495"></a>00495 
    522. 

  522. <a name="l00496"></a>00496 };
    523. 

  523. <a name="l00497"></a>00497 
    524. 

  524. <a name="l00498"></a>00498 
    525. 

  525. <a name="l00499"></a>00499 <span class="keywordtype">void</span> Ebml_Write(EbmlGlobal *glob, <span class="keyword">const</span> <span class="keywordtype">void</span> *buffer_in, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> len)
    526. 

  526. <a name="l00500"></a>00500 {
    527. 

  527. <a name="l00501"></a>00501     <span class="keywordflow">if</span>(fwrite(buffer_in, 1, len, glob-&gt;stream));
    528. 

  528. <a name="l00502"></a>00502 }
    529. 

  529. <a name="l00503"></a>00503 
    530. 

  530. <a name="l00504"></a>00504 <span class="preprocessor">#define WRITE_BUFFER(s) \</span>
    531. 

  531. <a name="l00505"></a>00505 <span class="preprocessor">for(i = len-1; i&gt;=0; i--)\</span>
    532. 

  532. <a name="l00506"></a>00506 <span class="preprocessor">{ \</span>
    533. 

  533. <a name="l00507"></a>00507 <span class="preprocessor">    x = *(const s *)buffer_in &gt;&gt; (i * CHAR_BIT); \</span>
    534. 

  534. <a name="l00508"></a>00508 <span class="preprocessor">    Ebml_Write(glob, &amp;x, 1); \</span>
    535. 

  535. <a name="l00509"></a>00509 <span class="preprocessor">}</span>
    536. 

  536. <a name="l00510"></a>00510 <span class="preprocessor"></span><span class="keywordtype">void</span> Ebml_Serialize(EbmlGlobal *glob, <span class="keyword">const</span> <span class="keywordtype">void</span> *buffer_in, <span class="keywordtype">int</span> buffer_size, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> len)
    537. 

  537. <a name="l00511"></a>00511 {
    538. 

  538. <a name="l00512"></a>00512     <span class="keywordtype">char</span> x;
    539. 

  539. <a name="l00513"></a>00513     <span class="keywordtype">int</span> i;
    540. 

  540. <a name="l00514"></a>00514 
    541. 

  541. <a name="l00515"></a>00515     <span class="comment">/* buffer_size:</span>
    542. 

  542. <a name="l00516"></a>00516 <span class="comment">     * 1 - int8_t;</span>
    543. 

  543. <a name="l00517"></a>00517 <span class="comment">     * 2 - int16_t;</span>
    544. 

  544. <a name="l00518"></a>00518 <span class="comment">     * 3 - int32_t;</span>
    545. 

  545. <a name="l00519"></a>00519 <span class="comment">     * 4 - int64_t;</span>
    546. 

  546. <a name="l00520"></a>00520 <span class="comment">     */</span>
    547. 

  547. <a name="l00521"></a>00521     <span class="keywordflow">switch</span> (buffer_size)
    548. 

  548. <a name="l00522"></a>00522     {
    549. 

  549. <a name="l00523"></a>00523         <span class="keywordflow">case</span> 1:
    550. 

  550. <a name="l00524"></a>00524             WRITE_BUFFER(int8_t)
    551. 

  551. <a name="l00525"></a>00525             break;
    552. 

  552. <a name="l00526"></a>00526         case 2:
    553. 

  553. <a name="l00527"></a>00527             WRITE_BUFFER(int16_t)
    554. 

  554. <a name="l00528"></a>00528             break;
    555. 

  555. <a name="l00529"></a>00529         case 4:
    556. 

  556. <a name="l00530"></a>00530             WRITE_BUFFER(int32_t)
    557. 

  557. <a name="l00531"></a>00531             break;
    558. 

  558. <a name="l00532"></a>00532         case 8:
    559. 

  559. <a name="l00533"></a>00533             WRITE_BUFFER(int64_t)
    560. 

  560. <a name="l00534"></a>00534             break;
    561. 

  561. <a name="l00535"></a>00535         default:
    562. 

  562. <a name="l00536"></a>00536             break;
    563. 

  563. <a name="l00537"></a>00537     }
    564. 

  564. <a name="l00538"></a>00538 }
    565. 

  565. <a name="l00539"></a>00539 <span class="preprocessor">#undef WRITE_BUFFER</span>
    566. 

  566. <a name="l00540"></a>00540 <span class="preprocessor"></span>
    567. 

  567. <a name="l00541"></a>00541 <span class="comment">/* Need a fixed size serializer for the track ID. libmkv provides a 64 bit</span>
    568. 

  568. <a name="l00542"></a>00542 <span class="comment"> * one, but not a 32 bit one.</span>
    569. 

  569. <a name="l00543"></a>00543 <span class="comment"> */</span>
    570. 

  570. <a name="l00544"></a>00544 <span class="keyword">static</span> <span class="keywordtype">void</span> Ebml_SerializeUnsigned32(EbmlGlobal *glob, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> class_id, uint64_t ui)
    571. 

  571. <a name="l00545"></a>00545 {
    572. 

  572. <a name="l00546"></a>00546     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sizeSerialized = 4 | 0x80;
    573. 

  573. <a name="l00547"></a>00547     Ebml_WriteID(glob, class_id);
    574. 

  574. <a name="l00548"></a>00548     Ebml_Serialize(glob, &amp;sizeSerialized, <span class="keyword">sizeof</span>(sizeSerialized), 1);
    575. 

  575. <a name="l00549"></a>00549     Ebml_Serialize(glob, &amp;ui, <span class="keyword">sizeof</span>(ui), 4);
    576. 

  576. <a name="l00550"></a>00550 }
    577. 

  577. <a name="l00551"></a>00551 
    578. 

  578. <a name="l00552"></a>00552 
    579. 

  579. <a name="l00553"></a>00553 <span class="keyword">static</span> <span class="keywordtype">void</span>
    580. 

  580. <a name="l00554"></a>00554 Ebml_StartSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc,
    581. 

  581. <a name="l00555"></a>00555                           <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> class_id)
    582. 

  582. <a name="l00556"></a>00556 {
    583. 

  583. <a name="l00557"></a>00557     <span class="comment">//todo this is always taking 8 bytes, this may need later optimization</span>
    584. 

  584. <a name="l00558"></a>00558     <span class="comment">//this is a key that says length unknown</span>
    585. 

  585. <a name="l00559"></a>00559     uint64_t unknownLen =  LITERALU64(0x01FFFFFFFFFFFFFF);
    586. 

  586. <a name="l00560"></a>00560 
    587. 

  587. <a name="l00561"></a>00561     Ebml_WriteID(glob, class_id);
    588. 

  588. <a name="l00562"></a>00562     *ebmlLoc = ftello(glob-&gt;stream);
    589. 

  589. <a name="l00563"></a>00563     Ebml_Serialize(glob, &amp;unknownLen, <span class="keyword">sizeof</span>(unknownLen), 8);
    590. 

  590. <a name="l00564"></a>00564 }
    591. 

  591. <a name="l00565"></a>00565 
    592. 

  592. <a name="l00566"></a>00566 <span class="keyword">static</span> <span class="keywordtype">void</span>
    593. 

  593. <a name="l00567"></a>00567 Ebml_EndSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc)
    594. 

  594. <a name="l00568"></a>00568 {
    595. 

  595. <a name="l00569"></a>00569     off_t pos;
    596. 

  596. <a name="l00570"></a>00570     uint64_t size;
    597. 

  597. <a name="l00571"></a>00571 
    598. 

  598. <a name="l00572"></a>00572     <span class="comment">/* Save the current stream pointer */</span>
    599. 

  599. <a name="l00573"></a>00573     pos = ftello(glob-&gt;stream);
    600. 

  600. <a name="l00574"></a>00574 
    601. 

  601. <a name="l00575"></a>00575     <span class="comment">/* Calculate the size of this element */</span>
    602. 

  602. <a name="l00576"></a>00576     size = pos - *ebmlLoc - 8;
    603. 

  603. <a name="l00577"></a>00577     size |=  LITERALU64(0x0100000000000000);
    604. 

  604. <a name="l00578"></a>00578 
    605. 

  605. <a name="l00579"></a>00579     <span class="comment">/* Seek back to the beginning of the element and write the new size */</span>
    606. 

  606. <a name="l00580"></a>00580     fseeko(glob-&gt;stream, *ebmlLoc, SEEK_SET);
    607. 

  607. <a name="l00581"></a>00581     Ebml_Serialize(glob, &amp;size, <span class="keyword">sizeof</span>(size), 8);
    608. 

  608. <a name="l00582"></a>00582 
    609. 

  609. <a name="l00583"></a>00583     <span class="comment">/* Reset the stream pointer */</span>
    610. 

  610. <a name="l00584"></a>00584     fseeko(glob-&gt;stream, pos, SEEK_SET);
    611. 

  611. <a name="l00585"></a>00585 }
    612. 

  612. <a name="l00586"></a>00586 
    613. 

  613. <a name="l00587"></a>00587 
    614. 

  614. <a name="l00588"></a>00588 <span class="keyword">static</span> <span class="keywordtype">void</span>
    615. 

  615. <a name="l00589"></a>00589 write_webm_seek_element(EbmlGlobal *ebml, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">id</span>, off_t pos)
    616. 

  616. <a name="l00590"></a>00590 {
    617. 

  617. <a name="l00591"></a>00591     uint64_t offset = pos - ebml-&gt;position_reference;
    618. 

  618. <a name="l00592"></a>00592     EbmlLoc start;
    619. 

  619. <a name="l00593"></a>00593     Ebml_StartSubElement(ebml, &amp;start, Seek);
    620. 

  620. <a name="l00594"></a>00594     Ebml_SerializeBinary(ebml, SeekID, <span class="keywordtype">id</span>);
    621. 

  621. <a name="l00595"></a>00595     Ebml_SerializeUnsigned64(ebml, SeekPosition, offset);
    622. 

  622. <a name="l00596"></a>00596     Ebml_EndSubElement(ebml, &amp;start);
    623. 

  623. <a name="l00597"></a>00597 }
    624. 

  624. <a name="l00598"></a>00598 
    625. 

  625. <a name="l00599"></a>00599 
    626. 

  626. <a name="l00600"></a>00600 <span class="keyword">static</span> <span class="keywordtype">void</span>
    627. 

  627. <a name="l00601"></a>00601 write_webm_seek_info(EbmlGlobal *ebml)
    628. 

  628. <a name="l00602"></a>00602 {
    629. 

  629. <a name="l00603"></a>00603 
    630. 

  630. <a name="l00604"></a>00604     off_t pos;
    631. 

  631. <a name="l00605"></a>00605 
    632. 

  632. <a name="l00606"></a>00606     <span class="comment">/* Save the current stream pointer */</span>
    633. 

  633. <a name="l00607"></a>00607     pos = ftello(ebml-&gt;stream);
    634. 

  634. <a name="l00608"></a>00608 
    635. 

  635. <a name="l00609"></a>00609     <span class="keywordflow">if</span>(ebml-&gt;seek_info_pos)
    636. 

  636. <a name="l00610"></a>00610         fseeko(ebml-&gt;stream, ebml-&gt;seek_info_pos, SEEK_SET);
    637. 

  637. <a name="l00611"></a>00611     <span class="keywordflow">else</span>
    638. 

  638. <a name="l00612"></a>00612         ebml-&gt;seek_info_pos = pos;
    639. 

  639. <a name="l00613"></a>00613 
    640. 

  640. <a name="l00614"></a>00614     {
    641. 

  641. <a name="l00615"></a>00615         EbmlLoc start;
    642. 

  642. <a name="l00616"></a>00616 
    643. 

  643. <a name="l00617"></a>00617         Ebml_StartSubElement(ebml, &amp;start, SeekHead);
    644. 

  644. <a name="l00618"></a>00618         write_webm_seek_element(ebml, Tracks, ebml-&gt;track_pos);
    645. 

  645. <a name="l00619"></a>00619         write_webm_seek_element(ebml, Cues,   ebml-&gt;cue_pos);
    646. 

  646. <a name="l00620"></a>00620         write_webm_seek_element(ebml, Info,   ebml-&gt;segment_info_pos);
    647. 

  647. <a name="l00621"></a>00621         Ebml_EndSubElement(ebml, &amp;start);
    648. 

  648. <a name="l00622"></a>00622     }
    649. 

  649. <a name="l00623"></a>00623     {
    650. 

  650. <a name="l00624"></a>00624         <span class="comment">//segment info</span>
    651. 

  651. <a name="l00625"></a>00625         EbmlLoc startInfo;
    652. 

  652. <a name="l00626"></a>00626         uint64_t frame_time;
    653. 

  653. <a name="l00627"></a>00627 
    654. 

  654. <a name="l00628"></a>00628         frame_time = (uint64_t)1000 * ebml-&gt;framerate.den
    655. 

  655. <a name="l00629"></a>00629                      / ebml-&gt;framerate.num;
    656. 

  656. <a name="l00630"></a>00630         ebml-&gt;segment_info_pos = ftello(ebml-&gt;stream);
    657. 

  657. <a name="l00631"></a>00631         Ebml_StartSubElement(ebml, &amp;startInfo, Info);
    658. 

  658. <a name="l00632"></a>00632         Ebml_SerializeUnsigned(ebml, TimecodeScale, 1000000);
    659. 

  659. <a name="l00633"></a>00633         Ebml_SerializeFloat(ebml, Segment_Duration,
    660. 

  660. <a name="l00634"></a>00634                             ebml-&gt;last_pts_ms + frame_time);
    661. 

  661. <a name="l00635"></a>00635         Ebml_SerializeString(ebml, 0x4D80,
    662. 

  662. <a name="l00636"></a>00636             ebml-&gt;debug ? <span class="stringliteral">&quot;vpxenc&quot;</span> : <span class="stringliteral">&quot;vpxenc&quot;</span> VERSION_STRING);
    663. 

  663. <a name="l00637"></a>00637         Ebml_SerializeString(ebml, 0x5741,
    664. 

  664. <a name="l00638"></a>00638             ebml-&gt;debug ? <span class="stringliteral">&quot;vpxenc&quot;</span> : <span class="stringliteral">&quot;vpxenc&quot;</span> VERSION_STRING);
    665. 

  665. <a name="l00639"></a>00639         Ebml_EndSubElement(ebml, &amp;startInfo);
    666. 

  666. <a name="l00640"></a>00640     }
    667. 

  667. <a name="l00641"></a>00641 }
    668. 

  668. <a name="l00642"></a>00642 
    669. 

  669. <a name="l00643"></a>00643 
    670. 

  670. <a name="l00644"></a>00644 <span class="keyword">static</span> <span class="keywordtype">void</span>
    671. 

  671. <a name="l00645"></a>00645 write_webm_file_header(EbmlGlobal                *glob,
    672. 

  672. <a name="l00646"></a>00646                        <span class="keyword">const</span> <a class="code" href="structvpx__codec__enc__cfg.html" title="Encoder configuration structure.">vpx_codec_enc_cfg_t</a> *cfg,
    673. 

  673. <a name="l00647"></a>00647                        <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structvpx__rational.html" title="Rational Number.">vpx_rational</a> *fps,
    674. 

  674. <a name="l00648"></a>00648                        stereo_format_t            stereo_fmt)
    675. 

  675. <a name="l00649"></a>00649 {
    676. 

  676. <a name="l00650"></a>00650     {
    677. 

  677. <a name="l00651"></a>00651         EbmlLoc start;
    678. 

  678. <a name="l00652"></a>00652         Ebml_StartSubElement(glob, &amp;start, EBML);
    679. 

  679. <a name="l00653"></a>00653         Ebml_SerializeUnsigned(glob, EBMLVersion, 1);
    680. 

  680. <a name="l00654"></a>00654         Ebml_SerializeUnsigned(glob, EBMLReadVersion, 1); <span class="comment">//EBML Read Version</span>
    681. 

  681. <a name="l00655"></a>00655         Ebml_SerializeUnsigned(glob, EBMLMaxIDLength, 4); <span class="comment">//EBML Max ID Length</span>
    682. 

  682. <a name="l00656"></a>00656         Ebml_SerializeUnsigned(glob, EBMLMaxSizeLength, 8); <span class="comment">//EBML Max Size Length</span>
    683. 

  683. <a name="l00657"></a>00657         Ebml_SerializeString(glob, DocType, <span class="stringliteral">&quot;webm&quot;</span>); <span class="comment">//Doc Type</span>
    684. 

  684. <a name="l00658"></a>00658         Ebml_SerializeUnsigned(glob, DocTypeVersion, 2); <span class="comment">//Doc Type Version</span>
    685. 

  685. <a name="l00659"></a>00659         Ebml_SerializeUnsigned(glob, DocTypeReadVersion, 2); <span class="comment">//Doc Type Read Version</span>
    686. 

  686. <a name="l00660"></a>00660         Ebml_EndSubElement(glob, &amp;start);
    687. 

  687. <a name="l00661"></a>00661     }
    688. 

  688. <a name="l00662"></a>00662     {
    689. 

  689. <a name="l00663"></a>00663         Ebml_StartSubElement(glob, &amp;glob-&gt;startSegment, Segment); <span class="comment">//segment</span>
    690. 

  690. <a name="l00664"></a>00664         glob-&gt;position_reference = ftello(glob-&gt;stream);
    691. 

  691. <a name="l00665"></a>00665         glob-&gt;framerate = *fps;
    692. 

  692. <a name="l00666"></a>00666         write_webm_seek_info(glob);
    693. 

  693. <a name="l00667"></a>00667 
    694. 

  694. <a name="l00668"></a>00668         {
    695. 

  695. <a name="l00669"></a>00669             EbmlLoc trackStart;
    696. 

  696. <a name="l00670"></a>00670             glob-&gt;track_pos = ftello(glob-&gt;stream);
    697. 

  697. <a name="l00671"></a>00671             Ebml_StartSubElement(glob, &amp;trackStart, Tracks);
    698. 

  698. <a name="l00672"></a>00672             {
    699. 

  699. <a name="l00673"></a>00673                 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> trackNumber = 1;
    700. 

  700. <a name="l00674"></a>00674                 uint64_t     trackID = 0;
    701. 

  701. <a name="l00675"></a>00675 
    702. 

  702. <a name="l00676"></a>00676                 EbmlLoc start;
    703. 

  703. <a name="l00677"></a>00677                 Ebml_StartSubElement(glob, &amp;start, TrackEntry);
    704. 

  704. <a name="l00678"></a>00678                 Ebml_SerializeUnsigned(glob, TrackNumber, trackNumber);
    705. 

  705. <a name="l00679"></a>00679                 glob-&gt;track_id_pos = ftello(glob-&gt;stream);
    706. 

  706. <a name="l00680"></a>00680                 Ebml_SerializeUnsigned32(glob, TrackUID, trackID);
    707. 

  707. <a name="l00681"></a>00681                 Ebml_SerializeUnsigned(glob, TrackType, 1); <span class="comment">//video is always 1</span>
    708. 

  708. <a name="l00682"></a>00682                 Ebml_SerializeString(glob, CodecID, <span class="stringliteral">&quot;V_VP8&quot;</span>);
    709. 

  709. <a name="l00683"></a>00683                 {
    710. 

  710. <a name="l00684"></a>00684                     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pixelWidth = cfg-&gt;<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c" title="Width of the frame.">g_w</a>;
    711. 

  711. <a name="l00685"></a>00685                     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pixelHeight = cfg-&gt;<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e" title="Height of the frame.">g_h</a>;
    712. 

  712. <a name="l00686"></a>00686                     <span class="keywordtype">float</span>        frameRate   = (float)fps-&gt;<a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a>/(<span class="keywordtype">float</span>)fps-&gt;<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a>;
    713. 

  713. <a name="l00687"></a>00687 
    714. 

  714. <a name="l00688"></a>00688                     EbmlLoc videoStart;
    715. 

  715. <a name="l00689"></a>00689                     Ebml_StartSubElement(glob, &amp;videoStart, Video);
    716. 

  716. <a name="l00690"></a>00690                     Ebml_SerializeUnsigned(glob, PixelWidth, pixelWidth);
    717. 

  717. <a name="l00691"></a>00691                     Ebml_SerializeUnsigned(glob, PixelHeight, pixelHeight);
    718. 

  718. <a name="l00692"></a>00692                     Ebml_SerializeUnsigned(glob, StereoMode, stereo_fmt);
    719. 

  719. <a name="l00693"></a>00693                     Ebml_SerializeFloat(glob, FrameRate, frameRate);
    720. 

  720. <a name="l00694"></a>00694                     Ebml_EndSubElement(glob, &amp;videoStart); <span class="comment">//Video</span>
    721. 

  721. <a name="l00695"></a>00695                 }
    722. 

  722. <a name="l00696"></a>00696                 Ebml_EndSubElement(glob, &amp;start); <span class="comment">//Track Entry</span>
    723. 

  723. <a name="l00697"></a>00697             }
    724. 

  724. <a name="l00698"></a>00698             Ebml_EndSubElement(glob, &amp;trackStart);
    725. 

  725. <a name="l00699"></a>00699         }
    726. 

  726. <a name="l00700"></a>00700         <span class="comment">// segment element is open</span>
    727. 

  727. <a name="l00701"></a>00701     }
    728. 

  728. <a name="l00702"></a>00702 }
    729. 

  729. <a name="l00703"></a>00703 
    730. 

  730. <a name="l00704"></a>00704 
    731. 

  731. <a name="l00705"></a>00705 <span class="keyword">static</span> <span class="keywordtype">void</span>
    732. 

  732. <a name="l00706"></a>00706 write_webm_block(EbmlGlobal                *glob,
    733. 

  733. <a name="l00707"></a>00707                  <span class="keyword">const</span> <a class="code" href="structvpx__codec__enc__cfg.html" title="Encoder configuration structure.">vpx_codec_enc_cfg_t</a> *cfg,
    734. 

  734. <a name="l00708"></a>00708                  <span class="keyword">const</span> <a class="code" href="structvpx__codec__cx__pkt.html" title="Encoder output packet.">vpx_codec_cx_pkt_t</a>  *pkt)
    735. 

  735. <a name="l00709"></a>00709 {
    736. 

  736. <a name="l00710"></a>00710     <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>  block_length;
    737. 

  737. <a name="l00711"></a>00711     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>  track_number;
    738. 

  738. <a name="l00712"></a>00712     <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> block_timecode = 0;
    739. 

  739. <a name="l00713"></a>00713     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>  flags;
    740. 

  740. <a name="l00714"></a>00714     int64_t        pts_ms;
    741. 

  741. <a name="l00715"></a>00715     <span class="keywordtype">int</span>            start_cluster = 0, is_keyframe;
    742. 

  742. <a name="l00716"></a>00716 
    743. 

  743. <a name="l00717"></a>00717     <span class="comment">/* Calculate the PTS of this frame in milliseconds */</span>
    744. 

  744. <a name="l00718"></a>00718     pts_ms = pkt-&gt;<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 * 1000
    745. 

  745. <a name="l00719"></a>00719              * (uint64_t)cfg-&gt;<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087" title="Stream timebase units.">g_timebase</a>.<a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a> / (uint64_t)cfg-&gt;<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087" title="Stream timebase units.">g_timebase</a>.<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a>;
    746. 

  746. <a name="l00720"></a>00720     <span class="keywordflow">if</span>(pts_ms &lt;= glob-&gt;last_pts_ms)
    747. 

  747. <a name="l00721"></a>00721         pts_ms = glob-&gt;last_pts_ms + 1;
    748. 

  748. <a name="l00722"></a>00722     glob-&gt;last_pts_ms = pts_ms;
    749. 

  749. <a name="l00723"></a>00723 
    750. 

  750. <a name="l00724"></a>00724     <span class="comment">/* Calculate the relative time of this block */</span>
    751. 

  751. <a name="l00725"></a>00725     <span class="keywordflow">if</span>(pts_ms - glob-&gt;cluster_timecode &gt; SHRT_MAX)
    752. 

  752. <a name="l00726"></a>00726         start_cluster = 1;
    753. 

  753. <a name="l00727"></a>00727     <span class="keywordflow">else</span>
    754. 

  754. <a name="l00728"></a>00728         block_timecode = pts_ms - glob-&gt;cluster_timecode;
    755. 

  755. <a name="l00729"></a>00729 
    756. 

  756. <a name="l00730"></a>00730     is_keyframe = (pkt-&gt;<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 &amp; <a class="code" href="group__encoder.html#ga7a896eb3bc74f33419e6a9812c60e4c9">VPX_FRAME_IS_KEY</a>);
    757. 

  757. <a name="l00731"></a>00731     <span class="keywordflow">if</span>(start_cluster || is_keyframe)
    758. 

  758. <a name="l00732"></a>00732     {
    759. 

  759. <a name="l00733"></a>00733         <span class="keywordflow">if</span>(glob-&gt;cluster_open)
    760. 

  760. <a name="l00734"></a>00734             Ebml_EndSubElement(glob, &amp;glob-&gt;startCluster);
    761. 

  761. <a name="l00735"></a>00735 
    762. 

  762. <a name="l00736"></a>00736         <span class="comment">/* Open the new cluster */</span>
    763. 

  763. <a name="l00737"></a>00737         block_timecode = 0;
    764. 

  764. <a name="l00738"></a>00738         glob-&gt;cluster_open = 1;
    765. 

  765. <a name="l00739"></a>00739         glob-&gt;cluster_timecode = pts_ms;
    766. 

  766. <a name="l00740"></a>00740         glob-&gt;cluster_pos = ftello(glob-&gt;stream);
    767. 

  767. <a name="l00741"></a>00741         Ebml_StartSubElement(glob, &amp;glob-&gt;startCluster, Cluster); <span class="comment">//cluster</span>
    768. 

  768. <a name="l00742"></a>00742         Ebml_SerializeUnsigned(glob, Timecode, glob-&gt;cluster_timecode);
    769. 

  769. <a name="l00743"></a>00743 
    770. 

  770. <a name="l00744"></a>00744         <span class="comment">/* Save a cue point if this is a keyframe. */</span>
    771. 

  771. <a name="l00745"></a>00745         <span class="keywordflow">if</span>(is_keyframe)
    772. 

  772. <a name="l00746"></a>00746         {
    773. 

  773. <a name="l00747"></a>00747             <span class="keyword">struct </span>cue_entry *cue, *new_cue_list;
    774. 

  774. <a name="l00748"></a>00748 
    775. 

  775. <a name="l00749"></a>00749             new_cue_list = realloc(glob-&gt;cue_list,
    776. 

  776. <a name="l00750"></a>00750                                    (glob-&gt;cues+1) * <span class="keyword">sizeof</span>(<span class="keyword">struct</span> cue_entry));
    777. 

  777. <a name="l00751"></a>00751             <span class="keywordflow">if</span>(new_cue_list)
    778. 

  778. <a name="l00752"></a>00752                 glob-&gt;cue_list = new_cue_list;
    779. 

  779. <a name="l00753"></a>00753             <span class="keywordflow">else</span>
    780. 

  780. <a name="l00754"></a>00754             {
    781. 

  781. <a name="l00755"></a>00755                 fprintf(stderr, <span class="stringliteral">&quot;\nFailed to realloc cue list.\n&quot;</span>);
    782. 

  782. <a name="l00756"></a>00756                 exit(EXIT_FAILURE);
    783. 

  783. <a name="l00757"></a>00757             }
    784. 

  784. <a name="l00758"></a>00758 
    785. 

  785. <a name="l00759"></a>00759             cue = &amp;glob-&gt;cue_list[glob-&gt;cues];
    786. 

  786. <a name="l00760"></a>00760             cue-&gt;time = glob-&gt;cluster_timecode;
    787. 

  787. <a name="l00761"></a>00761             cue-&gt;loc = glob-&gt;cluster_pos;
    788. 

  788. <a name="l00762"></a>00762             glob-&gt;cues++;
    789. 

  789. <a name="l00763"></a>00763         }
    790. 

  790. <a name="l00764"></a>00764     }
    791. 

  791. <a name="l00765"></a>00765 
    792. 

  792. <a name="l00766"></a>00766     <span class="comment">/* Write the Simple Block */</span>
    793. 

  793. <a name="l00767"></a>00767     Ebml_WriteID(glob, SimpleBlock);
    794. 

  794. <a name="l00768"></a>00768 
    795. 

  795. <a name="l00769"></a>00769     block_length = pkt-&gt;<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 + 4;
    796. 

  796. <a name="l00770"></a>00770     block_length |= 0x10000000;
    797. 

  797. <a name="l00771"></a>00771     Ebml_Serialize(glob, &amp;block_length, <span class="keyword">sizeof</span>(block_length), 4);
    798. 

  798. <a name="l00772"></a>00772 
    799. 

  799. <a name="l00773"></a>00773     track_number = 1;
    800. 

  800. <a name="l00774"></a>00774     track_number |= 0x80;
    801. 

  801. <a name="l00775"></a>00775     Ebml_Write(glob, &amp;track_number, 1);
    802. 

  802. <a name="l00776"></a>00776 
    803. 

  803. <a name="l00777"></a>00777     Ebml_Serialize(glob, &amp;block_timecode, <span class="keyword">sizeof</span>(block_timecode), 2);
    804. 

  804. <a name="l00778"></a>00778 
    805. 

  805. <a name="l00779"></a>00779     flags = 0;
    806. 

  806. <a name="l00780"></a>00780     <span class="keywordflow">if</span>(is_keyframe)
    807. 

  807. <a name="l00781"></a>00781         flags |= 0x80;
    808. 

  808. <a name="l00782"></a>00782     <span class="keywordflow">if</span>(pkt-&gt;<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 &amp; <a class="code" href="group__encoder.html#ga060d7e881d249bdb6e1a29b42e559685">VPX_FRAME_IS_INVISIBLE</a>)
    809. 

  809. <a name="l00783"></a>00783         flags |= 0x08;
    810. 

  810. <a name="l00784"></a>00784     Ebml_Write(glob, &amp;flags, 1);
    811. 

  811. <a name="l00785"></a>00785 
    812. 

  812. <a name="l00786"></a>00786     Ebml_Write(glob, pkt-&gt;<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, pkt-&gt;<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);
    813. 

  813. <a name="l00787"></a>00787 }
    814. 

  814. <a name="l00788"></a>00788 
    815. 

  815. <a name="l00789"></a>00789 
    816. 

  816. <a name="l00790"></a>00790 <span class="keyword">static</span> <span class="keywordtype">void</span>
    817. 

  817. <a name="l00791"></a>00791 write_webm_file_footer(EbmlGlobal *glob, <span class="keywordtype">long</span> hash)
    818. 

  818. <a name="l00792"></a>00792 {
    819. 

  819. <a name="l00793"></a>00793 
    820. 

  820. <a name="l00794"></a>00794     <span class="keywordflow">if</span>(glob-&gt;cluster_open)
    821. 

  821. <a name="l00795"></a>00795         Ebml_EndSubElement(glob, &amp;glob-&gt;startCluster);
    822. 

  822. <a name="l00796"></a>00796 
    823. 

  823. <a name="l00797"></a>00797     {
    824. 

  824. <a name="l00798"></a>00798         EbmlLoc start;
    825. 

  825. <a name="l00799"></a>00799         <span class="keywordtype">int</span> i;
    826. 

  826. <a name="l00800"></a>00800 
    827. 

  827. <a name="l00801"></a>00801         glob-&gt;cue_pos = ftello(glob-&gt;stream);
    828. 

  828. <a name="l00802"></a>00802         Ebml_StartSubElement(glob, &amp;start, Cues);
    829. 

  829. <a name="l00803"></a>00803         <span class="keywordflow">for</span>(i=0; i&lt;glob-&gt;cues; i++)
    830. 

  830. <a name="l00804"></a>00804         {
    831. 

  831. <a name="l00805"></a>00805             <span class="keyword">struct </span>cue_entry *cue = &amp;glob-&gt;cue_list[i];
    832. 

  832. <a name="l00806"></a>00806             EbmlLoc start;
    833. 

  833. <a name="l00807"></a>00807 
    834. 

  834. <a name="l00808"></a>00808             Ebml_StartSubElement(glob, &amp;start, CuePoint);
    835. 

  835. <a name="l00809"></a>00809             {
    836. 

  836. <a name="l00810"></a>00810                 EbmlLoc start;
    837. 

  837. <a name="l00811"></a>00811 
    838. 

  838. <a name="l00812"></a>00812                 Ebml_SerializeUnsigned(glob, CueTime, cue-&gt;time);
    839. 

  839. <a name="l00813"></a>00813 
    840. 

  840. <a name="l00814"></a>00814                 Ebml_StartSubElement(glob, &amp;start, CueTrackPositions);
    841. 

  841. <a name="l00815"></a>00815                 Ebml_SerializeUnsigned(glob, CueTrack, 1);
    842. 

  842. <a name="l00816"></a>00816                 Ebml_SerializeUnsigned64(glob, CueClusterPosition,
    843. 

  843. <a name="l00817"></a>00817                                          cue-&gt;loc - glob-&gt;position_reference);
    844. 

  844. <a name="l00818"></a>00818                 <span class="comment">//Ebml_SerializeUnsigned(glob, CueBlockNumber, cue-&gt;blockNumber);</span>
    845. 

  845. <a name="l00819"></a>00819                 Ebml_EndSubElement(glob, &amp;start);
    846. 

  846. <a name="l00820"></a>00820             }
    847. 

  847. <a name="l00821"></a>00821             Ebml_EndSubElement(glob, &amp;start);
    848. 

  848. <a name="l00822"></a>00822         }
    849. 

  849. <a name="l00823"></a>00823         Ebml_EndSubElement(glob, &amp;start);
    850. 

  850. <a name="l00824"></a>00824     }
    851. 

  851. <a name="l00825"></a>00825 
    852. 

  852. <a name="l00826"></a>00826     Ebml_EndSubElement(glob, &amp;glob-&gt;startSegment);
    853. 

  853. <a name="l00827"></a>00827 
    854. 

  854. <a name="l00828"></a>00828     <span class="comment">/* Patch up the seek info block */</span>
    855. 

  855. <a name="l00829"></a>00829     write_webm_seek_info(glob);
    856. 

  856. <a name="l00830"></a>00830 
    857. 

  857. <a name="l00831"></a>00831     <span class="comment">/* Patch up the track id */</span>
    858. 

  858. <a name="l00832"></a>00832     fseeko(glob-&gt;stream, glob-&gt;track_id_pos, SEEK_SET);
    859. 

  859. <a name="l00833"></a>00833     Ebml_SerializeUnsigned32(glob, TrackUID, glob-&gt;debug ? 0xDEADBEEF : hash);
    860. 

  860. <a name="l00834"></a>00834 
    861. 

  861. <a name="l00835"></a>00835     fseeko(glob-&gt;stream, 0, SEEK_END);
    862. 

  862. <a name="l00836"></a>00836 }
    863. 

  863. <a name="l00837"></a>00837 
    864. 

  864. <a name="l00838"></a>00838 
    865. 

  865. <a name="l00839"></a>00839 <span class="comment">/* Murmur hash derived from public domain reference implementation at</span>
    866. 

  866. <a name="l00840"></a>00840 <span class="comment"> *   http://sites.google.com/site/murmurhash/</span>
    867. 

  867. <a name="l00841"></a>00841 <span class="comment"> */</span>
    868. 

  868. <a name="l00842"></a>00842 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> murmur ( <span class="keyword">const</span> <span class="keywordtype">void</span> * key, <span class="keywordtype">int</span> len, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> seed )
    869. 

  869. <a name="l00843"></a>00843 {
    870. 

  870. <a name="l00844"></a>00844     <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m = 0x5bd1e995;
    871. 

  871. <a name="l00845"></a>00845     <span class="keyword">const</span> <span class="keywordtype">int</span> r = 24;
    872. 

  872. <a name="l00846"></a>00846 
    873. 

  873. <a name="l00847"></a>00847     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> h = seed ^ len;
    874. 

  874. <a name="l00848"></a>00848 
    875. 

  875. <a name="l00849"></a>00849     <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> * data = (<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)key;
    876. 

  876. <a name="l00850"></a>00850 
    877. 

  877. <a name="l00851"></a>00851     <span class="keywordflow">while</span>(len &gt;= 4)
    878. 

  878. <a name="l00852"></a>00852     {
    879. 

  879. <a name="l00853"></a>00853         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> k;
    880. 

  880. <a name="l00854"></a>00854 
    881. 

  881. <a name="l00855"></a>00855         k  = data[0];
    882. 

  882. <a name="l00856"></a>00856         k |= data[1] &lt;&lt; 8;
    883. 

  883. <a name="l00857"></a>00857         k |= data[2] &lt;&lt; 16;
    884. 

  884. <a name="l00858"></a>00858         k |= data[3] &lt;&lt; 24;
    885. 

  885. <a name="l00859"></a>00859 
    886. 

  886. <a name="l00860"></a>00860         k *= m;
    887. 

  887. <a name="l00861"></a>00861         k ^= k &gt;&gt; r;
    888. 

  888. <a name="l00862"></a>00862         k *= m;
    889. 

  889. <a name="l00863"></a>00863 
    890. 

  890. <a name="l00864"></a>00864         h *= m;
    891. 

  891. <a name="l00865"></a>00865         h ^= k;
    892. 

  892. <a name="l00866"></a>00866 
    893. 

  893. <a name="l00867"></a>00867         data += 4;
    894. 

  894. <a name="l00868"></a>00868         len -= 4;
    895. 

  895. <a name="l00869"></a>00869     }
    896. 

  896. <a name="l00870"></a>00870 
    897. 

  897. <a name="l00871"></a>00871     <span class="keywordflow">switch</span>(len)
    898. 

  898. <a name="l00872"></a>00872     {
    899. 

  899. <a name="l00873"></a>00873     <span class="keywordflow">case</span> 3: h ^= data[2] &lt;&lt; 16;
    900. 

  900. <a name="l00874"></a>00874     <span class="keywordflow">case</span> 2: h ^= data[1] &lt;&lt; 8;
    901. 

  901. <a name="l00875"></a>00875     <span class="keywordflow">case</span> 1: h ^= data[0];
    902. 

  902. <a name="l00876"></a>00876             h *= m;
    903. 

  903. <a name="l00877"></a>00877     };
    904. 

  904. <a name="l00878"></a>00878 
    905. 

  905. <a name="l00879"></a>00879     h ^= h &gt;&gt; 13;
    906. 

  906. <a name="l00880"></a>00880     h *= m;
    907. 

  907. <a name="l00881"></a>00881     h ^= h &gt;&gt; 15;
    908. 

  908. <a name="l00882"></a>00882 
    909. 

  909. <a name="l00883"></a>00883     <span class="keywordflow">return</span> h;
    910. 

  910. <a name="l00884"></a>00884 }
    911. 

  911. <a name="l00885"></a>00885 
    912. 

  912. <a name="l00886"></a>00886 <span class="preprocessor">#include &quot;math.h&quot;</span>
    913. 

  913. <a name="l00887"></a>00887 
    914. 

  914. <a name="l00888"></a>00888 <span class="keyword">static</span> <span class="keywordtype">double</span> vp8_mse2psnr(<span class="keywordtype">double</span> Samples, <span class="keywordtype">double</span> Peak, <span class="keywordtype">double</span> Mse)
    915. 

  915. <a name="l00889"></a>00889 {
    916. 

  916. <a name="l00890"></a>00890     <span class="keywordtype">double</span> psnr;
    917. 

  917. <a name="l00891"></a>00891 
    918. 

  918. <a name="l00892"></a>00892     <span class="keywordflow">if</span> ((<span class="keywordtype">double</span>)Mse &gt; 0.0)
    919. 

  919. <a name="l00893"></a>00893         psnr = 10.0 * log10(Peak * Peak * Samples / Mse);
    920. 

  920. <a name="l00894"></a>00894     <span class="keywordflow">else</span>
    921. 

  921. <a name="l00895"></a>00895         psnr = 60;      <span class="comment">// Limit to prevent / 0</span>
    922. 

  922. <a name="l00896"></a>00896 
    923. 

  923. <a name="l00897"></a>00897     <span class="keywordflow">if</span> (psnr &gt; 60)
    924. 

  924. <a name="l00898"></a>00898         psnr = 60;
    925. 

  925. <a name="l00899"></a>00899 
    926. 

  926. <a name="l00900"></a>00900     <span class="keywordflow">return</span> psnr;
    927. 

  927. <a name="l00901"></a>00901 }
    928. 

  928. <a name="l00902"></a>00902 
    929. 

  929. <a name="l00903"></a>00903 
    930. 

  930. <a name="l00904"></a>00904 <span class="preprocessor">#include &quot;args.h&quot;</span>
    931. 

  931. <a name="l00905"></a>00905 
    932. 

  932. <a name="l00906"></a>00906 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t debugmode = ARG_DEF(<span class="stringliteral">&quot;D&quot;</span>, <span class="stringliteral">&quot;debug&quot;</span>, 0,
    933. 

  933. <a name="l00907"></a>00907         <span class="stringliteral">&quot;Debug mode (makes output deterministic)&quot;</span>);
    934. 

  934. <a name="l00908"></a>00908 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t outputfile = ARG_DEF(<span class="stringliteral">&quot;o&quot;</span>, <span class="stringliteral">&quot;output&quot;</span>, 1,
    935. 

  935. <a name="l00909"></a>00909         <span class="stringliteral">&quot;Output filename&quot;</span>);
    936. 

  936. <a name="l00910"></a>00910 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t use_yv12 = ARG_DEF(NULL, <span class="stringliteral">&quot;yv12&quot;</span>, 0,
    937. 

  937. <a name="l00911"></a>00911                                   <span class="stringliteral">&quot;Input file is YV12 &quot;</span>);
    938. 

  938. <a name="l00912"></a>00912 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t use_i420 = ARG_DEF(NULL, <span class="stringliteral">&quot;i420&quot;</span>, 0,
    939. 

  939. <a name="l00913"></a>00913                                   <span class="stringliteral">&quot;Input file is I420 (default)&quot;</span>);
    940. 

  940. <a name="l00914"></a>00914 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t codecarg = ARG_DEF(NULL, <span class="stringliteral">&quot;codec&quot;</span>, 1,
    941. 

  941. <a name="l00915"></a>00915                                   <span class="stringliteral">&quot;Codec to use&quot;</span>);
    942. 

  942. <a name="l00916"></a>00916 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t passes           = ARG_DEF(<span class="stringliteral">&quot;p&quot;</span>, <span class="stringliteral">&quot;passes&quot;</span>, 1,
    943. 

  943. <a name="l00917"></a>00917         <span class="stringliteral">&quot;Number of passes (1/2)&quot;</span>);
    944. 

  944. <a name="l00918"></a>00918 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t pass_arg         = ARG_DEF(NULL, <span class="stringliteral">&quot;pass&quot;</span>, 1,
    945. 

  945. <a name="l00919"></a>00919         <span class="stringliteral">&quot;Pass to execute (1/2)&quot;</span>);
    946. 

  946. <a name="l00920"></a>00920 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t fpf_name         = ARG_DEF(NULL, <span class="stringliteral">&quot;fpf&quot;</span>, 1,
    947. 

  947. <a name="l00921"></a>00921         <span class="stringliteral">&quot;First pass statistics file name&quot;</span>);
    948. 

  948. <a name="l00922"></a>00922 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t limit = ARG_DEF(NULL, <span class="stringliteral">&quot;limit&quot;</span>, 1,
    949. 

  949. <a name="l00923"></a>00923                                        <span class="stringliteral">&quot;Stop encoding after n input frames&quot;</span>);
    950. 

  950. <a name="l00924"></a>00924 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t deadline         = ARG_DEF(<span class="stringliteral">&quot;d&quot;</span>, <span class="stringliteral">&quot;deadline&quot;</span>, 1,
    951. 

  951. <a name="l00925"></a>00925         <span class="stringliteral">&quot;Deadline per frame (usec)&quot;</span>);
    952. 

  952. <a name="l00926"></a>00926 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t best_dl          = ARG_DEF(NULL, <span class="stringliteral">&quot;best&quot;</span>, 0,
    953. 

  953. <a name="l00927"></a>00927         <span class="stringliteral">&quot;Use Best Quality Deadline&quot;</span>);
    954. 

  954. <a name="l00928"></a>00928 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t good_dl          = ARG_DEF(NULL, <span class="stringliteral">&quot;good&quot;</span>, 0,
    955. 

  955. <a name="l00929"></a>00929         <span class="stringliteral">&quot;Use Good Quality Deadline&quot;</span>);
    956. 

  956. <a name="l00930"></a>00930 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t rt_dl            = ARG_DEF(NULL, <span class="stringliteral">&quot;rt&quot;</span>, 0,
    957. 

  957. <a name="l00931"></a>00931         <span class="stringliteral">&quot;Use Realtime Quality Deadline&quot;</span>);
    958. 

  958. <a name="l00932"></a>00932 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t verbosearg       = ARG_DEF(<span class="stringliteral">&quot;v&quot;</span>, <span class="stringliteral">&quot;verbose&quot;</span>, 0,
    959. 

  959. <a name="l00933"></a>00933         <span class="stringliteral">&quot;Show encoder parameters&quot;</span>);
    960. 

  960. <a name="l00934"></a>00934 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t psnrarg          = ARG_DEF(NULL, <span class="stringliteral">&quot;psnr&quot;</span>, 0,
    961. 

  961. <a name="l00935"></a>00935         <span class="stringliteral">&quot;Show PSNR in status line&quot;</span>);
    962. 

  962. <a name="l00936"></a>00936 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t framerate        = ARG_DEF(NULL, <span class="stringliteral">&quot;fps&quot;</span>, 1,
    963. 

  963. <a name="l00937"></a>00937         <span class="stringliteral">&quot;Stream frame rate (rate/scale)&quot;</span>);
    964. 

  964. <a name="l00938"></a>00938 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t use_ivf          = ARG_DEF(NULL, <span class="stringliteral">&quot;ivf&quot;</span>, 0,
    965. 

  965. <a name="l00939"></a>00939         <span class="stringliteral">&quot;Output IVF (default is WebM)&quot;</span>);
    966. 

  966. <a name="l00940"></a>00940 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t q_hist_n         = ARG_DEF(NULL, <span class="stringliteral">&quot;q-hist&quot;</span>, 1,
    967. 

  967. <a name="l00941"></a>00941         <span class="stringliteral">&quot;Show quantizer histogram (n-buckets)&quot;</span>);
    968. 

  968. <a name="l00942"></a>00942 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t rate_hist_n         = ARG_DEF(NULL, <span class="stringliteral">&quot;rate-hist&quot;</span>, 1,
    969. 

  969. <a name="l00943"></a>00943         <span class="stringliteral">&quot;Show rate histogram (n-buckets)&quot;</span>);
    970. 

  970. <a name="l00944"></a>00944 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t *main_args[] =
    971. 

  971. <a name="l00945"></a>00945 {
    972. 

  972. <a name="l00946"></a>00946     &amp;debugmode,
    973. 

  973. <a name="l00947"></a>00947     &amp;outputfile, &amp;codecarg, &amp;passes, &amp;pass_arg, &amp;fpf_name, &amp;limit, &amp;deadline,
    974. 

  974. <a name="l00948"></a>00948     &amp;best_dl, &amp;good_dl, &amp;rt_dl,
    975. 

  975. <a name="l00949"></a>00949     &amp;verbosearg, &amp;psnrarg, &amp;use_ivf, &amp;q_hist_n, &amp;rate_hist_n,
    976. 

  976. <a name="l00950"></a>00950     NULL
    977. 

  977. <a name="l00951"></a>00951 };
    978. 

  978. <a name="l00952"></a>00952 
    979. 

  979. <a name="l00953"></a>00953 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t usage            = ARG_DEF(<span class="stringliteral">&quot;u&quot;</span>, <span class="stringliteral">&quot;usage&quot;</span>, 1,
    980. 

  980. <a name="l00954"></a>00954         <span class="stringliteral">&quot;Usage profile number to use&quot;</span>);
    981. 

  981. <a name="l00955"></a>00955 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t threads          = ARG_DEF(<span class="stringliteral">&quot;t&quot;</span>, <span class="stringliteral">&quot;threads&quot;</span>, 1,
    982. 

  982. <a name="l00956"></a>00956         <span class="stringliteral">&quot;Max number of threads to use&quot;</span>);
    983. 

  983. <a name="l00957"></a>00957 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t profile          = ARG_DEF(NULL, <span class="stringliteral">&quot;profile&quot;</span>, 1,
    984. 

  984. <a name="l00958"></a>00958         <span class="stringliteral">&quot;Bitstream profile number to use&quot;</span>);
    985. 

  985. <a name="l00959"></a>00959 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t width            = ARG_DEF(<span class="stringliteral">&quot;w&quot;</span>, <span class="stringliteral">&quot;width&quot;</span>, 1,
    986. 

  986. <a name="l00960"></a>00960         <span class="stringliteral">&quot;Frame width&quot;</span>);
    987. 

  987. <a name="l00961"></a>00961 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t height           = ARG_DEF(<span class="stringliteral">&quot;h&quot;</span>, <span class="stringliteral">&quot;height&quot;</span>, 1,
    988. 

  988. <a name="l00962"></a>00962         <span class="stringliteral">&quot;Frame height&quot;</span>);
    989. 

  989. <a name="l00963"></a>00963 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">struct </span>arg_enum_list stereo_mode_enum[] = {
    990. 

  990. <a name="l00964"></a>00964     {<span class="stringliteral">&quot;mono&quot;</span>      , STEREO_FORMAT_MONO},
    991. 

  991. <a name="l00965"></a>00965     {<span class="stringliteral">&quot;left-right&quot;</span>, STEREO_FORMAT_LEFT_RIGHT},
    992. 

  992. <a name="l00966"></a>00966     {<span class="stringliteral">&quot;bottom-top&quot;</span>, STEREO_FORMAT_BOTTOM_TOP},
    993. 

  993. <a name="l00967"></a>00967     {<span class="stringliteral">&quot;top-bottom&quot;</span>, STEREO_FORMAT_TOP_BOTTOM},
    994. 

  994. <a name="l00968"></a>00968     {<span class="stringliteral">&quot;right-left&quot;</span>, STEREO_FORMAT_RIGHT_LEFT},
    995. 

  995. <a name="l00969"></a>00969     {NULL, 0}
    996. 

  996. <a name="l00970"></a>00970 };
    997. 

  997. <a name="l00971"></a>00971 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t stereo_mode      = ARG_DEF_ENUM(NULL, <span class="stringliteral">&quot;stereo-mode&quot;</span>, 1,
    998. 

  998. <a name="l00972"></a>00972         <span class="stringliteral">&quot;Stereo 3D video format&quot;</span>, stereo_mode_enum);
    999. 

  999. <a name="l00973"></a>00973 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t timebase         = ARG_DEF(NULL, <span class="stringliteral">&quot;timebase&quot;</span>, 1,
    1000. 

  1000. <a name="l00974"></a>00974         <span class="stringliteral">&quot;Output timestamp precision (fractional seconds)&quot;</span>);
    1001. 

  1001. <a name="l00975"></a>00975 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t error_resilient  = ARG_DEF(NULL, <span class="stringliteral">&quot;error-resilient&quot;</span>, 1,
    1002. 

  1002. <a name="l00976"></a>00976         <span class="stringliteral">&quot;Enable error resiliency features&quot;</span>);
    1003. 

  1003. <a name="l00977"></a>00977 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t lag_in_frames    = ARG_DEF(NULL, <span class="stringliteral">&quot;lag-in-frames&quot;</span>, 1,
    1004. 

  1004. <a name="l00978"></a>00978         <span class="stringliteral">&quot;Max number of frames to lag&quot;</span>);
    1005. 

  1005. <a name="l00979"></a>00979 
    1006. 

  1006. <a name="l00980"></a>00980 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t *global_args[] =
    1007. 

  1007. <a name="l00981"></a>00981 {
    1008. 

  1008. <a name="l00982"></a>00982     &amp;use_yv12, &amp;use_i420, &amp;usage, &amp;threads, &amp;profile,
    1009. 

  1009. <a name="l00983"></a>00983     &amp;width, &amp;height, &amp;stereo_mode, &amp;timebase, &amp;framerate, &amp;error_resilient,
    1010. 

  1010. <a name="l00984"></a>00984     &amp;lag_in_frames, NULL
    1011. 

  1011. <a name="l00985"></a>00985 };
    1012. 

  1012. <a name="l00986"></a>00986 
    1013. 

  1013. <a name="l00987"></a>00987 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t dropframe_thresh   = ARG_DEF(NULL, <span class="stringliteral">&quot;drop-frame&quot;</span>, 1,
    1014. 

  1014. <a name="l00988"></a>00988         <span class="stringliteral">&quot;Temporal resampling threshold (buf %)&quot;</span>);
    1015. 

  1015. <a name="l00989"></a>00989 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t resize_allowed     = ARG_DEF(NULL, <span class="stringliteral">&quot;resize-allowed&quot;</span>, 1,
    1016. 

  1016. <a name="l00990"></a>00990         <span class="stringliteral">&quot;Spatial resampling enabled (bool)&quot;</span>);
    1017. 

  1017. <a name="l00991"></a>00991 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t resize_up_thresh   = ARG_DEF(NULL, <span class="stringliteral">&quot;resize-up&quot;</span>, 1,
    1018. 

  1018. <a name="l00992"></a>00992         <span class="stringliteral">&quot;Upscale threshold (buf %)&quot;</span>);
    1019. 

  1019. <a name="l00993"></a>00993 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t resize_down_thresh = ARG_DEF(NULL, <span class="stringliteral">&quot;resize-down&quot;</span>, 1,
    1020. 

  1020. <a name="l00994"></a>00994         <span class="stringliteral">&quot;Downscale threshold (buf %)&quot;</span>);
    1021. 

  1021. <a name="l00995"></a>00995 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">struct </span>arg_enum_list end_usage_enum[] = {
    1022. 

  1022. <a name="l00996"></a>00996     {<span class="stringliteral">&quot;vbr&quot;</span>, <a class="code" href="group__encoder.html#ggaf50e74d91be4cae6f70dfeba5b7410d2ab8fbe4441ed3f31a167c8194e8a64f87">VPX_VBR</a>},
    1023. 

  1023. <a name="l00997"></a>00997     {<span class="stringliteral">&quot;cbr&quot;</span>, <a class="code" href="group__encoder.html#ggaf50e74d91be4cae6f70dfeba5b7410d2a8b02853cb35790d60cc171a11f6c268a">VPX_CBR</a>},
    1024. 

  1024. <a name="l00998"></a>00998     {<span class="stringliteral">&quot;cq&quot;</span>,  <a class="code" href="group__encoder.html#ggaf50e74d91be4cae6f70dfeba5b7410d2a5f2fd02b55c67d62bfd79380bcb03f63">VPX_CQ</a>},
    1025. 

  1025. <a name="l00999"></a>00999     {NULL, 0}
    1026. 

  1026. <a name="l01000"></a>01000 };
    1027. 

  1027. <a name="l01001"></a>01001 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t end_usage          = ARG_DEF_ENUM(NULL, <span class="stringliteral">&quot;end-usage&quot;</span>, 1,
    1028. 

  1028. <a name="l01002"></a>01002         <span class="stringliteral">&quot;Rate control mode&quot;</span>, end_usage_enum);
    1029. 

  1029. <a name="l01003"></a>01003 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t target_bitrate     = ARG_DEF(NULL, <span class="stringliteral">&quot;target-bitrate&quot;</span>, 1,
    1030. 

  1030. <a name="l01004"></a>01004         <span class="stringliteral">&quot;Bitrate (kbps)&quot;</span>);
    1031. 

  1031. <a name="l01005"></a>01005 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t min_quantizer      = ARG_DEF(NULL, <span class="stringliteral">&quot;min-q&quot;</span>, 1,
    1032. 

  1032. <a name="l01006"></a>01006         <span class="stringliteral">&quot;Minimum (best) quantizer&quot;</span>);
    1033. 

  1033. <a name="l01007"></a>01007 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t max_quantizer      = ARG_DEF(NULL, <span class="stringliteral">&quot;max-q&quot;</span>, 1,
    1034. 

  1034. <a name="l01008"></a>01008         <span class="stringliteral">&quot;Maximum (worst) quantizer&quot;</span>);
    1035. 

  1035. <a name="l01009"></a>01009 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t undershoot_pct     = ARG_DEF(NULL, <span class="stringliteral">&quot;undershoot-pct&quot;</span>, 1,
    1036. 

  1036. <a name="l01010"></a>01010         <span class="stringliteral">&quot;Datarate undershoot (min) target (%)&quot;</span>);
    1037. 

  1037. <a name="l01011"></a>01011 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t overshoot_pct      = ARG_DEF(NULL, <span class="stringliteral">&quot;overshoot-pct&quot;</span>, 1,
    1038. 

  1038. <a name="l01012"></a>01012         <span class="stringliteral">&quot;Datarate overshoot (max) target (%)&quot;</span>);
    1039. 

  1039. <a name="l01013"></a>01013 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t buf_sz             = ARG_DEF(NULL, <span class="stringliteral">&quot;buf-sz&quot;</span>, 1,
    1040. 

  1040. <a name="l01014"></a>01014         <span class="stringliteral">&quot;Client buffer size (ms)&quot;</span>);
    1041. 

  1041. <a name="l01015"></a>01015 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t buf_initial_sz     = ARG_DEF(NULL, <span class="stringliteral">&quot;buf-initial-sz&quot;</span>, 1,
    1042. 

  1042. <a name="l01016"></a>01016         <span class="stringliteral">&quot;Client initial buffer size (ms)&quot;</span>);
    1043. 

  1043. <a name="l01017"></a>01017 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t buf_optimal_sz     = ARG_DEF(NULL, <span class="stringliteral">&quot;buf-optimal-sz&quot;</span>, 1,
    1044. 

  1044. <a name="l01018"></a>01018         <span class="stringliteral">&quot;Client optimal buffer size (ms)&quot;</span>);
    1045. 

  1045. <a name="l01019"></a>01019 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t *rc_args[] =
    1046. 

  1046. <a name="l01020"></a>01020 {
    1047. 

  1047. <a name="l01021"></a>01021     &amp;dropframe_thresh, &amp;resize_allowed, &amp;resize_up_thresh, &amp;resize_down_thresh,
    1048. 

  1048. <a name="l01022"></a>01022     &amp;end_usage, &amp;target_bitrate, &amp;min_quantizer, &amp;max_quantizer,
    1049. 

  1049. <a name="l01023"></a>01023     &amp;undershoot_pct, &amp;overshoot_pct, &amp;buf_sz, &amp;buf_initial_sz, &amp;buf_optimal_sz,
    1050. 

  1050. <a name="l01024"></a>01024     NULL
    1051. 

  1051. <a name="l01025"></a>01025 };
    1052. 

  1052. <a name="l01026"></a>01026 
    1053. 

  1053. <a name="l01027"></a>01027 
    1054. 

  1054. <a name="l01028"></a>01028 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t bias_pct = ARG_DEF(NULL, <span class="stringliteral">&quot;bias-pct&quot;</span>, 1,
    1055. 

  1055. <a name="l01029"></a>01029                                   <span class="stringliteral">&quot;CBR/VBR bias (0=CBR, 100=VBR)&quot;</span>);
    1056. 

  1056. <a name="l01030"></a>01030 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t minsection_pct = ARG_DEF(NULL, <span class="stringliteral">&quot;minsection-pct&quot;</span>, 1,
    1057. 

  1057. <a name="l01031"></a>01031                                         <span class="stringliteral">&quot;GOP min bitrate (% of target)&quot;</span>);
    1058. 

  1058. <a name="l01032"></a>01032 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t maxsection_pct = ARG_DEF(NULL, <span class="stringliteral">&quot;maxsection-pct&quot;</span>, 1,
    1059. 

  1059. <a name="l01033"></a>01033                                         <span class="stringliteral">&quot;GOP max bitrate (% of target)&quot;</span>);
    1060. 

  1060. <a name="l01034"></a>01034 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t *rc_twopass_args[] =
    1061. 

  1061. <a name="l01035"></a>01035 {
    1062. 

  1062. <a name="l01036"></a>01036     &amp;bias_pct, &amp;minsection_pct, &amp;maxsection_pct, NULL
    1063. 

  1063. <a name="l01037"></a>01037 };
    1064. 

  1064. <a name="l01038"></a>01038 
    1065. 

  1065. <a name="l01039"></a>01039 
    1066. 

  1066. <a name="l01040"></a>01040 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t kf_min_dist = ARG_DEF(NULL, <span class="stringliteral">&quot;kf-min-dist&quot;</span>, 1,
    1067. 

  1067. <a name="l01041"></a>01041                                      <span class="stringliteral">&quot;Minimum keyframe interval (frames)&quot;</span>);
    1068. 

  1068. <a name="l01042"></a>01042 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t kf_max_dist = ARG_DEF(NULL, <span class="stringliteral">&quot;kf-max-dist&quot;</span>, 1,
    1069. 

  1069. <a name="l01043"></a>01043                                      <span class="stringliteral">&quot;Maximum keyframe interval (frames)&quot;</span>);
    1070. 

  1070. <a name="l01044"></a>01044 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t kf_disabled = ARG_DEF(NULL, <span class="stringliteral">&quot;disable-kf&quot;</span>, 0,
    1071. 

  1071. <a name="l01045"></a>01045                                      <span class="stringliteral">&quot;Disable keyframe placement&quot;</span>);
    1072. 

  1072. <a name="l01046"></a>01046 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t *kf_args[] =
    1073. 

  1073. <a name="l01047"></a>01047 {
    1074. 

  1074. <a name="l01048"></a>01048     &amp;kf_min_dist, &amp;kf_max_dist, &amp;kf_disabled, NULL
    1075. 

  1075. <a name="l01049"></a>01049 };
    1076. 

  1076. <a name="l01050"></a>01050 
    1077. 

  1077. <a name="l01051"></a>01051 
    1078. 

  1078. <a name="l01052"></a>01052 <span class="preprocessor">#if CONFIG_VP8_ENCODER</span>
    1079. 

  1079. <a name="l01053"></a>01053 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keyword">const</span> arg_def_t noise_sens = ARG_DEF(NULL, <span class="stringliteral">&quot;noise-sensitivity&quot;</span>, 1,
    1080. 

  1080. <a name="l01054"></a>01054                                     <span class="stringliteral">&quot;Noise sensitivity (frames to blur)&quot;</span>);
    1081. 

  1081. <a name="l01055"></a>01055 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t sharpness = ARG_DEF(NULL, <span class="stringliteral">&quot;sharpness&quot;</span>, 1,
    1082. 

  1082. <a name="l01056"></a>01056                                    <span class="stringliteral">&quot;Filter sharpness (0-7)&quot;</span>);
    1083. 

  1083. <a name="l01057"></a>01057 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t static_thresh = ARG_DEF(NULL, <span class="stringliteral">&quot;static-thresh&quot;</span>, 1,
    1084. 

  1084. <a name="l01058"></a>01058                                        <span class="stringliteral">&quot;Motion detection threshold&quot;</span>);
    1085. 

  1085. <a name="l01059"></a>01059 <span class="preprocessor">#endif</span>
    1086. 

  1086. <a name="l01060"></a>01060 <span class="preprocessor"></span>
    1087. 

  1087. <a name="l01061"></a>01061 <span class="preprocessor">#if CONFIG_VP8_ENCODER</span>
    1088. 

  1088. <a name="l01062"></a>01062 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keyword">const</span> arg_def_t cpu_used = ARG_DEF(NULL, <span class="stringliteral">&quot;cpu-used&quot;</span>, 1,
    1089. 

  1089. <a name="l01063"></a>01063                                   <span class="stringliteral">&quot;CPU Used (-16..16)&quot;</span>);
    1090. 

  1090. <a name="l01064"></a>01064 <span class="preprocessor">#endif</span>
    1091. 

  1091. <a name="l01065"></a>01065 <span class="preprocessor"></span>
    1092. 

  1092. <a name="l01066"></a>01066 
    1093. 

  1093. <a name="l01067"></a>01067 <span class="preprocessor">#if CONFIG_VP8_ENCODER</span>
    1094. 

  1094. <a name="l01068"></a>01068 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keyword">const</span> arg_def_t token_parts = ARG_DEF(NULL, <span class="stringliteral">&quot;token-parts&quot;</span>, 1,
    1095. 

  1095. <a name="l01069"></a>01069                                      <span class="stringliteral">&quot;Number of token partitions to use, log2&quot;</span>);
    1096. 

  1096. <a name="l01070"></a>01070 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t auto_altref = ARG_DEF(NULL, <span class="stringliteral">&quot;auto-alt-ref&quot;</span>, 1,
    1097. 

  1097. <a name="l01071"></a>01071                                      <span class="stringliteral">&quot;Enable automatic alt reference frames&quot;</span>);
    1098. 

  1098. <a name="l01072"></a>01072 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t arnr_maxframes = ARG_DEF(NULL, <span class="stringliteral">&quot;arnr-maxframes&quot;</span>, 1,
    1099. 

  1099. <a name="l01073"></a>01073                                         <span class="stringliteral">&quot;AltRef Max Frames&quot;</span>);
    1100. 

  1100. <a name="l01074"></a>01074 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t arnr_strength = ARG_DEF(NULL, <span class="stringliteral">&quot;arnr-strength&quot;</span>, 1,
    1101. 

  1101. <a name="l01075"></a>01075                                        <span class="stringliteral">&quot;AltRef Strength&quot;</span>);
    1102. 

  1102. <a name="l01076"></a>01076 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t arnr_type = ARG_DEF(NULL, <span class="stringliteral">&quot;arnr-type&quot;</span>, 1,
    1103. 

  1103. <a name="l01077"></a>01077                                    <span class="stringliteral">&quot;AltRef Type&quot;</span>);
    1104. 

  1104. <a name="l01078"></a>01078 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">struct </span>arg_enum_list tuning_enum[] = {
    1105. 

  1105. <a name="l01079"></a>01079     {<span class="stringliteral">&quot;psnr&quot;</span>, VP8_TUNE_PSNR},
    1106. 

  1106. <a name="l01080"></a>01080     {<span class="stringliteral">&quot;ssim&quot;</span>, VP8_TUNE_SSIM},
    1107. 

  1107. <a name="l01081"></a>01081     {NULL, 0}
    1108. 

  1108. <a name="l01082"></a>01082 };
    1109. 

  1109. <a name="l01083"></a>01083 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t tune_ssim = ARG_DEF_ENUM(NULL, <span class="stringliteral">&quot;tune&quot;</span>, 1,
    1110. 

  1110. <a name="l01084"></a>01084                                    <span class="stringliteral">&quot;Material to favor&quot;</span>, tuning_enum);
    1111. 

  1111. <a name="l01085"></a>01085 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t cq_level = ARG_DEF(NULL, <span class="stringliteral">&quot;cq-level&quot;</span>, 1,
    1112. 

  1112. <a name="l01086"></a>01086                                    <span class="stringliteral">&quot;Constrained Quality Level&quot;</span>);
    1113. 

  1113. <a name="l01087"></a>01087 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t max_intra_rate_pct = ARG_DEF(NULL, <span class="stringliteral">&quot;max-intra-rate&quot;</span>, 1,
    1114. 

  1114. <a name="l01088"></a>01088         <span class="stringliteral">&quot;Max I-frame bitrate (pct)&quot;</span>);
    1115. 

  1115. <a name="l01089"></a>01089 
    1116. 

  1116. <a name="l01090"></a>01090 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t *vp8_args[] =
    1117. 

  1117. <a name="l01091"></a>01091 {
    1118. 

  1118. <a name="l01092"></a>01092     &amp;cpu_used, &amp;auto_altref, &amp;noise_sens, &amp;sharpness, &amp;static_thresh,
    1119. 

  1119. <a name="l01093"></a>01093     &amp;token_parts, &amp;arnr_maxframes, &amp;arnr_strength, &amp;arnr_type,
    1120. 

  1120. <a name="l01094"></a>01094     &amp;tune_ssim, &amp;cq_level, &amp;max_intra_rate_pct, NULL
    1121. 

  1121. <a name="l01095"></a>01095 };
    1122. 

  1122. <a name="l01096"></a>01096 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> vp8_arg_ctrl_map[] =
    1123. 

  1123. <a name="l01097"></a>01097 {
    1124. 

  1124. <a name="l01098"></a>01098     <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca953ff0eaa2fcdc2ecd627e449b026853" title="control function to set vp8 encoder cpuused">VP8E_SET_CPUUSED</a>, <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca24a5530efabb8b4949d01622b1d72cb0">VP8E_SET_ENABLEAUTOALTREF</a>,
    1125. 

  1125. <a name="l01099"></a>01099     <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca3fa90cb70bade72af3c2d8d91471a36c">VP8E_SET_NOISE_SENSITIVITY</a>, <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca815930923fff388825ee3cc4ef69bb28">VP8E_SET_SHARPNESS</a>, <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322ecab34559df04d3d662616300ed0682dcfd">VP8E_SET_STATIC_THRESHOLD</a>,
    1126. 

  1126. <a name="l01100"></a>01100     <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca462a4f14f39a6eb5c4a4004fc8d0ad75">VP8E_SET_TOKEN_PARTITIONS</a>,
    1127. 

  1127. <a name="l01101"></a>01101     <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca628d73f1a69fadd8aa57e0dfef578da8">VP8E_SET_ARNR_MAXFRAMES</a>, <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca0a8c40a768af935ae73faa53355c3244">VP8E_SET_ARNR_STRENGTH</a> , <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca4e0a0af58670012026c213083cd48f3a">VP8E_SET_ARNR_TYPE</a>,
    1128. 

  1128. <a name="l01102"></a>01102     <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca126ccbe7bde63b59cec5ea68a82dd498">VP8E_SET_TUNING</a>, <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322ecacd4f5b730bddb9788c3d0b82218ec503" title="control function to set constrained quality level">VP8E_SET_CQ_LEVEL</a>, <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca09c69ff4a3aabdb307d4f24027dfc4c1" title="Max data rate for Intra frames.">VP8E_SET_MAX_INTRA_BITRATE_PCT</a>, 0
    1129. 

  1129. <a name="l01103"></a>01103 };
    1130. 

  1130. <a name="l01104"></a>01104 <span class="preprocessor">#endif</span>
    1131. 

  1131. <a name="l01105"></a>01105 <span class="preprocessor"></span>
    1132. 

  1132. <a name="l01106"></a>01106 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t *no_args[] = { NULL };
    1133. 

  1133. <a name="l01107"></a>01107 
    1134. 

  1134. <a name="l01108"></a>01108 <span class="keyword">static</span> <span class="keywordtype">void</span> usage_exit()
    1135. 

  1135. <a name="l01109"></a>01109 {
    1136. 

  1136. <a name="l01110"></a>01110     <span class="keywordtype">int</span> i;
    1137. 

  1137. <a name="l01111"></a>01111 
    1138. 

  1138. <a name="l01112"></a>01112     fprintf(stderr, <span class="stringliteral">&quot;Usage: %s &lt;options&gt; -o dst_filename src_filename \n&quot;</span>,
    1139. 

  1139. <a name="l01113"></a>01113             exec_name);
    1140. 

  1140. <a name="l01114"></a>01114 
    1141. 

  1141. <a name="l01115"></a>01115     fprintf(stderr, <span class="stringliteral">&quot;\nOptions:\n&quot;</span>);
    1142. 

  1142. <a name="l01116"></a>01116     arg_show_usage(stdout, main_args);
    1143. 

  1143. <a name="l01117"></a>01117     fprintf(stderr, <span class="stringliteral">&quot;\nEncoder Global Options:\n&quot;</span>);
    1144. 

  1144. <a name="l01118"></a>01118     arg_show_usage(stdout, global_args);
    1145. 

  1145. <a name="l01119"></a>01119     fprintf(stderr, <span class="stringliteral">&quot;\nRate Control Options:\n&quot;</span>);
    1146. 

  1146. <a name="l01120"></a>01120     arg_show_usage(stdout, rc_args);
    1147. 

  1147. <a name="l01121"></a>01121     fprintf(stderr, <span class="stringliteral">&quot;\nTwopass Rate Control Options:\n&quot;</span>);
    1148. 

  1148. <a name="l01122"></a>01122     arg_show_usage(stdout, rc_twopass_args);
    1149. 

  1149. <a name="l01123"></a>01123     fprintf(stderr, <span class="stringliteral">&quot;\nKeyframe Placement Options:\n&quot;</span>);
    1150. 

  1150. <a name="l01124"></a>01124     arg_show_usage(stdout, kf_args);
    1151. 

  1151. <a name="l01125"></a>01125 <span class="preprocessor">#if CONFIG_VP8_ENCODER</span>
    1152. 

  1152. <a name="l01126"></a>01126 <span class="preprocessor"></span>    fprintf(stderr, <span class="stringliteral">&quot;\nVP8 Specific Options:\n&quot;</span>);
    1153. 

  1153. <a name="l01127"></a>01127     arg_show_usage(stdout, vp8_args);
    1154. 

  1154. <a name="l01128"></a>01128 <span class="preprocessor">#endif</span>
    1155. 

  1155. <a name="l01129"></a>01129 <span class="preprocessor"></span>    fprintf(stderr, <span class="stringliteral">&quot;\nStream timebase (--timebase):\n&quot;</span>
    1156. 

  1156. <a name="l01130"></a>01130             <span class="stringliteral">&quot;  The desired precision of timestamps in the output, expressed\n&quot;</span>
    1157. 

  1157. <a name="l01131"></a>01131             <span class="stringliteral">&quot;  in fractional seconds. Default is 1/1000.\n&quot;</span>);
    1158. 

  1158. <a name="l01132"></a>01132     fprintf(stderr, <span class="stringliteral">&quot;\n&quot;</span>
    1159. 

  1159. <a name="l01133"></a>01133            <span class="stringliteral">&quot;Included encoders:\n&quot;</span>
    1160. 

  1160. <a name="l01134"></a>01134            <span class="stringliteral">&quot;\n&quot;</span>);
    1161. 

  1161. <a name="l01135"></a>01135 
    1162. 

  1162. <a name="l01136"></a>01136     <span class="keywordflow">for</span> (i = 0; i &lt; <span class="keyword">sizeof</span>(codecs) / <span class="keyword">sizeof</span>(codecs[0]); i++)
    1163. 

  1163. <a name="l01137"></a>01137         fprintf(stderr, <span class="stringliteral">&quot;    %-6s - %s\n&quot;</span>,
    1164. 

  1164. <a name="l01138"></a>01138                codecs[i].name,
    1165. 

  1165. <a name="l01139"></a>01139                <a class="code" href="group__codec.html#ga9eee39f450d8cdcf5aba0e2bda6e5aa8" title="Return the name for a given interface.">vpx_codec_iface_name</a>(codecs[i].iface));
    1166. 

  1166. <a name="l01140"></a>01140 
    1167. 

  1167. <a name="l01141"></a>01141     exit(EXIT_FAILURE);
    1168. 

  1168. <a name="l01142"></a>01142 }
    1169. 

  1169. <a name="l01143"></a>01143 
    1170. 

  1170. <a name="l01144"></a>01144 
    1171. 

  1171. <a name="l01145"></a>01145 <span class="preprocessor">#define HIST_BAR_MAX 40</span>
    1172. 

  1172. <a name="l01146"></a>01146 <span class="preprocessor"></span><span class="keyword">struct </span>hist_bucket
    1173. 

  1173. <a name="l01147"></a>01147 {
    1174. 

  1174. <a name="l01148"></a>01148     <span class="keywordtype">int</span> low, high, count;
    1175. 

  1175. <a name="l01149"></a>01149 };
    1176. 

  1176. <a name="l01150"></a>01150 
    1177. 

  1177. <a name="l01151"></a>01151 
    1178. 

  1178. <a name="l01152"></a>01152 <span class="keyword">static</span> <span class="keywordtype">int</span> merge_hist_buckets(<span class="keyword">struct</span> hist_bucket *bucket,
    1179. 

  1179. <a name="l01153"></a>01153                               <span class="keywordtype">int</span> *buckets_,
    1180. 

  1180. <a name="l01154"></a>01154                               <span class="keywordtype">int</span> max_buckets)
    1181. 

  1181. <a name="l01155"></a>01155 {
    1182. 

  1182. <a name="l01156"></a>01156     <span class="keywordtype">int</span> small_bucket = 0, merge_bucket = INT_MAX, big_bucket=0;
    1183. 

  1183. <a name="l01157"></a>01157     <span class="keywordtype">int</span> buckets = *buckets_;
    1184. 

  1184. <a name="l01158"></a>01158     <span class="keywordtype">int</span> i;
    1185. 

  1185. <a name="l01159"></a>01159 
    1186. 

  1186. <a name="l01160"></a>01160     <span class="comment">/* Find the extrema for this list of buckets */</span>
    1187. 

  1187. <a name="l01161"></a>01161     big_bucket = small_bucket = 0;
    1188. 

  1188. <a name="l01162"></a>01162     <span class="keywordflow">for</span>(i=0; i &lt; buckets; i++)
    1189. 

  1189. <a name="l01163"></a>01163     {
    1190. 

  1190. <a name="l01164"></a>01164         <span class="keywordflow">if</span>(bucket[i].count &lt; bucket[small_bucket].count)
    1191. 

  1191. <a name="l01165"></a>01165             small_bucket = i;
    1192. 

  1192. <a name="l01166"></a>01166         <span class="keywordflow">if</span>(bucket[i].count &gt; bucket[big_bucket].count)
    1193. 

  1193. <a name="l01167"></a>01167             big_bucket = i;
    1194. 

  1194. <a name="l01168"></a>01168     }
    1195. 

  1195. <a name="l01169"></a>01169 
    1196. 

  1196. <a name="l01170"></a>01170     <span class="comment">/* If we have too many buckets, merge the smallest with an adjacent</span>
    1197. 

  1197. <a name="l01171"></a>01171 <span class="comment">     * bucket.</span>
    1198. 

  1198. <a name="l01172"></a>01172 <span class="comment">     */</span>
    1199. 

  1199. <a name="l01173"></a>01173     <span class="keywordflow">while</span>(buckets &gt; max_buckets)
    1200. 

  1200. <a name="l01174"></a>01174     {
    1201. 

  1201. <a name="l01175"></a>01175         <span class="keywordtype">int</span> last_bucket = buckets - 1;
    1202. 

  1202. <a name="l01176"></a>01176 
    1203. 

  1203. <a name="l01177"></a>01177         <span class="comment">// merge the small bucket with an adjacent one.</span>
    1204. 

  1204. <a name="l01178"></a>01178         <span class="keywordflow">if</span>(small_bucket == 0)
    1205. 

  1205. <a name="l01179"></a>01179             merge_bucket = 1;
    1206. 

  1206. <a name="l01180"></a>01180         <span class="keywordflow">else</span> <span class="keywordflow">if</span>(small_bucket == last_bucket)
    1207. 

  1207. <a name="l01181"></a>01181             merge_bucket = last_bucket - 1;
    1208. 

  1208. <a name="l01182"></a>01182         <span class="keywordflow">else</span> <span class="keywordflow">if</span>(bucket[small_bucket - 1].count &lt; bucket[small_bucket + 1].count)
    1209. 

  1209. <a name="l01183"></a>01183             merge_bucket = small_bucket - 1;
    1210. 

  1210. <a name="l01184"></a>01184         <span class="keywordflow">else</span>
    1211. 

  1211. <a name="l01185"></a>01185             merge_bucket = small_bucket + 1;
    1212. 

  1212. <a name="l01186"></a>01186 
    1213. 

  1213. <a name="l01187"></a>01187         assert(abs(merge_bucket - small_bucket) &lt;= 1);
    1214. 

  1214. <a name="l01188"></a>01188         assert(small_bucket &lt; buckets);
    1215. 

  1215. <a name="l01189"></a>01189         assert(big_bucket &lt; buckets);
    1216. 

  1216. <a name="l01190"></a>01190         assert(merge_bucket &lt; buckets);
    1217. 

  1217. <a name="l01191"></a>01191 
    1218. 

  1218. <a name="l01192"></a>01192         <span class="keywordflow">if</span>(merge_bucket &lt; small_bucket)
    1219. 

  1219. <a name="l01193"></a>01193         {
    1220. 

  1220. <a name="l01194"></a>01194             bucket[merge_bucket].high = bucket[small_bucket].high;
    1221. 

  1221. <a name="l01195"></a>01195             bucket[merge_bucket].count += bucket[small_bucket].count;
    1222. 

  1222. <a name="l01196"></a>01196         }
    1223. 

  1223. <a name="l01197"></a>01197         <span class="keywordflow">else</span>
    1224. 

  1224. <a name="l01198"></a>01198         {
    1225. 

  1225. <a name="l01199"></a>01199             bucket[small_bucket].high = bucket[merge_bucket].high;
    1226. 

  1226. <a name="l01200"></a>01200             bucket[small_bucket].count += bucket[merge_bucket].count;
    1227. 

  1227. <a name="l01201"></a>01201             merge_bucket = small_bucket;
    1228. 

  1228. <a name="l01202"></a>01202         }
    1229. 

  1229. <a name="l01203"></a>01203 
    1230. 

  1230. <a name="l01204"></a>01204         assert(bucket[merge_bucket].low != bucket[merge_bucket].high);
    1231. 

  1231. <a name="l01205"></a>01205 
    1232. 

  1232. <a name="l01206"></a>01206         buckets--;
    1233. 

  1233. <a name="l01207"></a>01207 
    1234. 

  1234. <a name="l01208"></a>01208         <span class="comment">/* Remove the merge_bucket from the list, and find the new small</span>
    1235. 

  1235. <a name="l01209"></a>01209 <span class="comment">         * and big buckets while we&apos;re at it</span>
    1236. 

  1236. <a name="l01210"></a>01210 <span class="comment">         */</span>
    1237. 

  1237. <a name="l01211"></a>01211         big_bucket = small_bucket = 0;
    1238. 

  1238. <a name="l01212"></a>01212         <span class="keywordflow">for</span>(i=0; i &lt; buckets; i++)
    1239. 

  1239. <a name="l01213"></a>01213         {
    1240. 

  1240. <a name="l01214"></a>01214             <span class="keywordflow">if</span>(i &gt; merge_bucket)
    1241. 

  1241. <a name="l01215"></a>01215                 bucket[i] = bucket[i+1];
    1242. 

  1242. <a name="l01216"></a>01216 
    1243. 

  1243. <a name="l01217"></a>01217             <span class="keywordflow">if</span>(bucket[i].count &lt; bucket[small_bucket].count)
    1244. 

  1244. <a name="l01218"></a>01218                 small_bucket = i;
    1245. 

  1245. <a name="l01219"></a>01219             <span class="keywordflow">if</span>(bucket[i].count &gt; bucket[big_bucket].count)
    1246. 

  1246. <a name="l01220"></a>01220                 big_bucket = i;
    1247. 

  1247. <a name="l01221"></a>01221         }
    1248. 

  1248. <a name="l01222"></a>01222 
    1249. 

  1249. <a name="l01223"></a>01223     }
    1250. 

  1250. <a name="l01224"></a>01224 
    1251. 

  1251. <a name="l01225"></a>01225     *buckets_ = buckets;
    1252. 

  1252. <a name="l01226"></a>01226     <span class="keywordflow">return</span> bucket[big_bucket].count;
    1253. 

  1253. <a name="l01227"></a>01227 }
    1254. 

  1254. <a name="l01228"></a>01228 
    1255. 

  1255. <a name="l01229"></a>01229 
    1256. 

  1256. <a name="l01230"></a>01230 <span class="keyword">static</span> <span class="keywordtype">void</span> show_histogram(<span class="keyword">const</span> <span class="keyword">struct</span> hist_bucket *bucket,
    1257. 

  1257. <a name="l01231"></a>01231                            <span class="keywordtype">int</span>                       buckets,
    1258. 

  1258. <a name="l01232"></a>01232                            <span class="keywordtype">int</span>                       total,
    1259. 

  1259. <a name="l01233"></a>01233                            <span class="keywordtype">int</span>                       scale)
    1260. 

  1260. <a name="l01234"></a>01234 {
    1261. 

  1261. <a name="l01235"></a>01235     <span class="keyword">const</span> <span class="keywordtype">char</span> *pat1, *pat2;
    1262. 

  1262. <a name="l01236"></a>01236     <span class="keywordtype">int</span> i;
    1263. 

  1263. <a name="l01237"></a>01237 
    1264. 

  1264. <a name="l01238"></a>01238     <span class="keywordflow">switch</span>((<span class="keywordtype">int</span>)(log(bucket[buckets-1].high)/log(10))+1)
    1265. 

  1265. <a name="l01239"></a>01239     {
    1266. 

  1266. <a name="l01240"></a>01240         <span class="keywordflow">case</span> 1:
    1267. 

  1267. <a name="l01241"></a>01241         <span class="keywordflow">case</span> 2:
    1268. 

  1268. <a name="l01242"></a>01242             pat1 = <span class="stringliteral">&quot;%4d %2s: &quot;</span>;
    1269. 

  1269. <a name="l01243"></a>01243             pat2 = <span class="stringliteral">&quot;%4d-%2d: &quot;</span>;
    1270. 

  1270. <a name="l01244"></a>01244             <span class="keywordflow">break</span>;
    1271. 

  1271. <a name="l01245"></a>01245         <span class="keywordflow">case</span> 3:
    1272. 

  1272. <a name="l01246"></a>01246             pat1 = <span class="stringliteral">&quot;%5d %3s: &quot;</span>;
    1273. 

  1273. <a name="l01247"></a>01247             pat2 = <span class="stringliteral">&quot;%5d-%3d: &quot;</span>;
    1274. 

  1274. <a name="l01248"></a>01248             <span class="keywordflow">break</span>;
    1275. 

  1275. <a name="l01249"></a>01249         <span class="keywordflow">case</span> 4:
    1276. 

  1276. <a name="l01250"></a>01250             pat1 = <span class="stringliteral">&quot;%6d %4s: &quot;</span>;
    1277. 

  1277. <a name="l01251"></a>01251             pat2 = <span class="stringliteral">&quot;%6d-%4d: &quot;</span>;
    1278. 

  1278. <a name="l01252"></a>01252             <span class="keywordflow">break</span>;
    1279. 

  1279. <a name="l01253"></a>01253         <span class="keywordflow">case</span> 5:
    1280. 

  1280. <a name="l01254"></a>01254             pat1 = <span class="stringliteral">&quot;%7d %5s: &quot;</span>;
    1281. 

  1281. <a name="l01255"></a>01255             pat2 = <span class="stringliteral">&quot;%7d-%5d: &quot;</span>;
    1282. 

  1282. <a name="l01256"></a>01256             <span class="keywordflow">break</span>;
    1283. 

  1283. <a name="l01257"></a>01257         <span class="keywordflow">case</span> 6:
    1284. 

  1284. <a name="l01258"></a>01258             pat1 = <span class="stringliteral">&quot;%8d %6s: &quot;</span>;
    1285. 

  1285. <a name="l01259"></a>01259             pat2 = <span class="stringliteral">&quot;%8d-%6d: &quot;</span>;
    1286. 

  1286. <a name="l01260"></a>01260             <span class="keywordflow">break</span>;
    1287. 

  1287. <a name="l01261"></a>01261         <span class="keywordflow">case</span> 7:
    1288. 

  1288. <a name="l01262"></a>01262             pat1 = <span class="stringliteral">&quot;%9d %7s: &quot;</span>;
    1289. 

  1289. <a name="l01263"></a>01263             pat2 = <span class="stringliteral">&quot;%9d-%7d: &quot;</span>;
    1290. 

  1290. <a name="l01264"></a>01264             <span class="keywordflow">break</span>;
    1291. 

  1291. <a name="l01265"></a>01265         <span class="keywordflow">default</span>:
    1292. 

  1292. <a name="l01266"></a>01266             pat1 = <span class="stringliteral">&quot;%12d %10s: &quot;</span>;
    1293. 

  1293. <a name="l01267"></a>01267             pat2 = <span class="stringliteral">&quot;%12d-%10d: &quot;</span>;
    1294. 

  1294. <a name="l01268"></a>01268             <span class="keywordflow">break</span>;
    1295. 

  1295. <a name="l01269"></a>01269     }
    1296. 

  1296. <a name="l01270"></a>01270 
    1297. 

  1297. <a name="l01271"></a>01271     <span class="keywordflow">for</span>(i=0; i&lt;buckets; i++)
    1298. 

  1298. <a name="l01272"></a>01272     {
    1299. 

  1299. <a name="l01273"></a>01273         <span class="keywordtype">int</span> len;
    1300. 

  1300. <a name="l01274"></a>01274         <span class="keywordtype">int</span> j;
    1301. 

  1301. <a name="l01275"></a>01275         <span class="keywordtype">float</span> pct;
    1302. 

  1302. <a name="l01276"></a>01276 
    1303. 

  1303. <a name="l01277"></a>01277         pct = 100.0 * (float)bucket[i].count / (<span class="keywordtype">float</span>)total;
    1304. 

  1304. <a name="l01278"></a>01278         len = HIST_BAR_MAX * bucket[i].count / scale;
    1305. 

  1305. <a name="l01279"></a>01279         <span class="keywordflow">if</span>(len &lt; 1)
    1306. 

  1306. <a name="l01280"></a>01280             len = 1;
    1307. 

  1307. <a name="l01281"></a>01281         assert(len &lt;= HIST_BAR_MAX);
    1308. 

  1308. <a name="l01282"></a>01282 
    1309. 

  1309. <a name="l01283"></a>01283         <span class="keywordflow">if</span>(bucket[i].low == bucket[i].high)
    1310. 

  1310. <a name="l01284"></a>01284             fprintf(stderr, pat1, bucket[i].low, <span class="stringliteral">&quot;&quot;</span>);
    1311. 

  1311. <a name="l01285"></a>01285         <span class="keywordflow">else</span>
    1312. 

  1312. <a name="l01286"></a>01286             fprintf(stderr, pat2, bucket[i].low, bucket[i].high);
    1313. 

  1313. <a name="l01287"></a>01287 
    1314. 

  1314. <a name="l01288"></a>01288         <span class="keywordflow">for</span>(j=0; j&lt;HIST_BAR_MAX; j++)
    1315. 

  1315. <a name="l01289"></a>01289             fprintf(stderr, j&lt;len?<span class="stringliteral">&quot;=&quot;</span>:<span class="stringliteral">&quot; &quot;</span>);
    1316. 

  1316. <a name="l01290"></a>01290         fprintf(stderr, <span class="stringliteral">&quot;\t%5d (%6.2f%%)\n&quot;</span>,bucket[i].count,pct);
    1317. 

  1317. <a name="l01291"></a>01291     }
    1318. 

  1318. <a name="l01292"></a>01292 }
    1319. 

  1319. <a name="l01293"></a>01293 
    1320. 

  1320. <a name="l01294"></a>01294 
    1321. 

  1321. <a name="l01295"></a>01295 <span class="keyword">static</span> <span class="keywordtype">void</span> show_q_histogram(<span class="keyword">const</span> <span class="keywordtype">int</span> counts[64], <span class="keywordtype">int</span> max_buckets)
    1322. 

  1322. <a name="l01296"></a>01296 {
    1323. 

  1323. <a name="l01297"></a>01297     <span class="keyword">struct </span>hist_bucket bucket[64];
    1324. 

  1324. <a name="l01298"></a>01298     <span class="keywordtype">int</span> buckets = 0;
    1325. 

  1325. <a name="l01299"></a>01299     <span class="keywordtype">int</span> total = 0;
    1326. 

  1326. <a name="l01300"></a>01300     <span class="keywordtype">int</span> scale;
    1327. 

  1327. <a name="l01301"></a>01301     <span class="keywordtype">int</span> i;
    1328. 

  1328. <a name="l01302"></a>01302 
    1329. 

  1329. <a name="l01303"></a>01303 
    1330. 

  1330. <a name="l01304"></a>01304     <span class="keywordflow">for</span>(i=0; i&lt;64; i++)
    1331. 

  1331. <a name="l01305"></a>01305     {
    1332. 

  1332. <a name="l01306"></a>01306         <span class="keywordflow">if</span>(counts[i])
    1333. 

  1333. <a name="l01307"></a>01307         {
    1334. 

  1334. <a name="l01308"></a>01308             bucket[buckets].low = bucket[buckets].high = i;
    1335. 

  1335. <a name="l01309"></a>01309             bucket[buckets].count = counts[i];
    1336. 

  1336. <a name="l01310"></a>01310             buckets++;
    1337. 

  1337. <a name="l01311"></a>01311             total += counts[i];
    1338. 

  1338. <a name="l01312"></a>01312         }
    1339. 

  1339. <a name="l01313"></a>01313     }
    1340. 

  1340. <a name="l01314"></a>01314 
    1341. 

  1341. <a name="l01315"></a>01315     fprintf(stderr, <span class="stringliteral">&quot;\nQuantizer Selection:\n&quot;</span>);
    1342. 

  1342. <a name="l01316"></a>01316     scale = merge_hist_buckets(bucket, &amp;buckets, max_buckets);
    1343. 

  1343. <a name="l01317"></a>01317     show_histogram(bucket, buckets, total, scale);
    1344. 

  1344. <a name="l01318"></a>01318 }
    1345. 

  1345. <a name="l01319"></a>01319 
    1346. 

  1346. <a name="l01320"></a>01320 
    1347. 

  1347. <a name="l01321"></a>01321 <span class="preprocessor">#define RATE_BINS (100)</span>
    1348. 

  1348. <a name="l01322"></a>01322 <span class="preprocessor"></span><span class="keyword">struct </span>rate_hist
    1349. 

  1349. <a name="l01323"></a>01323 {
    1350. 

  1350. <a name="l01324"></a>01324     int64_t            *pts;
    1351. 

  1351. <a name="l01325"></a>01325     <span class="keywordtype">int</span>                *sz;
    1352. 

  1352. <a name="l01326"></a>01326     <span class="keywordtype">int</span>                 samples;
    1353. 

  1353. <a name="l01327"></a>01327     <span class="keywordtype">int</span>                 frames;
    1354. 

  1354. <a name="l01328"></a>01328     <span class="keyword">struct </span>hist_bucket  bucket[RATE_BINS];
    1355. 

  1355. <a name="l01329"></a>01329     <span class="keywordtype">int</span>                 total;
    1356. 

  1356. <a name="l01330"></a>01330 };
    1357. 

  1357. <a name="l01331"></a>01331 
    1358. 

  1358. <a name="l01332"></a>01332 
    1359. 

  1359. <a name="l01333"></a>01333 <span class="keyword">static</span> <span class="keywordtype">void</span> init_rate_histogram(<span class="keyword">struct</span> rate_hist          *hist,
    1360. 

  1360. <a name="l01334"></a>01334                                 <span class="keyword">const</span> <a class="code" href="structvpx__codec__enc__cfg.html" title="Encoder configuration structure.">vpx_codec_enc_cfg_t</a> *cfg,
    1361. 

  1361. <a name="l01335"></a>01335                                 <span class="keyword">const</span> <a class="code" href="structvpx__rational.html" title="Rational Number.">vpx_rational_t</a>      *fps)
    1362. 

  1362. <a name="l01336"></a>01336 {
    1363. 

  1363. <a name="l01337"></a>01337     <span class="keywordtype">int</span> i;
    1364. 

  1364. <a name="l01338"></a>01338 
    1365. 

  1365. <a name="l01339"></a>01339     <span class="comment">/* Determine the number of samples in the buffer. Use the file&apos;s framerate</span>
    1366. 

  1366. <a name="l01340"></a>01340 <span class="comment">     * to determine the number of frames in rc_buf_sz milliseconds, with an</span>
    1367. 

  1367. <a name="l01341"></a>01341 <span class="comment">     * adjustment (5/4) to account for alt-refs</span>
    1368. 

  1368. <a name="l01342"></a>01342 <span class="comment">     */</span>
    1369. 

  1369. <a name="l01343"></a>01343     hist-&gt;samples = cfg-&gt;<a class="code" href="structvpx__codec__enc__cfg.html#a61866272bb588cd86d28834f420430f0" title="Decoder Buffer Size.">rc_buf_sz</a> * 5 / 4 * fps-&gt;<a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a> / fps-&gt;<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a> / 1000;
    1370. 

  1370. <a name="l01344"></a>01344 
    1371. 

  1371. <a name="l01345"></a>01345     <span class="comment">// prevent division by zero</span>
    1372. 

  1372. <a name="l01346"></a>01346     <span class="keywordflow">if</span> (hist-&gt;samples == 0)
    1373. 

  1373. <a name="l01347"></a>01347       hist-&gt;samples=1;
    1374. 

  1374. <a name="l01348"></a>01348 
    1375. 

  1375. <a name="l01349"></a>01349     hist-&gt;pts = calloc(hist-&gt;samples, <span class="keyword">sizeof</span>(*hist-&gt;pts));
    1376. 

  1376. <a name="l01350"></a>01350     hist-&gt;sz = calloc(hist-&gt;samples, <span class="keyword">sizeof</span>(*hist-&gt;sz));
    1377. 

  1377. <a name="l01351"></a>01351     <span class="keywordflow">for</span>(i=0; i&lt;RATE_BINS; i++)
    1378. 

  1378. <a name="l01352"></a>01352     {
    1379. 

  1379. <a name="l01353"></a>01353         hist-&gt;bucket[i].low = INT_MAX;
    1380. 

  1380. <a name="l01354"></a>01354         hist-&gt;bucket[i].high = 0;
    1381. 

  1381. <a name="l01355"></a>01355         hist-&gt;bucket[i].count = 0;
    1382. 

  1382. <a name="l01356"></a>01356     }
    1383. 

  1383. <a name="l01357"></a>01357 }
    1384. 

  1384. <a name="l01358"></a>01358 
    1385. 

  1385. <a name="l01359"></a>01359 
    1386. 

  1386. <a name="l01360"></a>01360 <span class="keyword">static</span> <span class="keywordtype">void</span> destroy_rate_histogram(<span class="keyword">struct</span> rate_hist *hist)
    1387. 

  1387. <a name="l01361"></a>01361 {
    1388. 

  1388. <a name="l01362"></a>01362     free(hist-&gt;pts);
    1389. 

  1389. <a name="l01363"></a>01363     free(hist-&gt;sz);
    1390. 

  1390. <a name="l01364"></a>01364 }
    1391. 

  1391. <a name="l01365"></a>01365 
    1392. 

  1392. <a name="l01366"></a>01366 
    1393. 

  1393. <a name="l01367"></a>01367 <span class="keyword">static</span> <span class="keywordtype">void</span> update_rate_histogram(<span class="keyword">struct</span> rate_hist          *hist,
    1394. 

  1394. <a name="l01368"></a>01368                                   <span class="keyword">const</span> <a class="code" href="structvpx__codec__enc__cfg.html" title="Encoder configuration structure.">vpx_codec_enc_cfg_t</a> *cfg,
    1395. 

  1395. <a name="l01369"></a>01369                                   <span class="keyword">const</span> <a class="code" href="structvpx__codec__cx__pkt.html" title="Encoder output packet.">vpx_codec_cx_pkt_t</a>  *pkt)
    1396. 

  1396. <a name="l01370"></a>01370 {
    1397. 

  1397. <a name="l01371"></a>01371     <span class="keywordtype">int</span> i, idx;
    1398. 

  1398. <a name="l01372"></a>01372     int64_t now, then, sum_sz = 0, avg_bitrate;
    1399. 

  1399. <a name="l01373"></a>01373 
    1400. 

  1400. <a name="l01374"></a>01374     now = pkt-&gt;<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 * 1000
    1401. 

  1401. <a name="l01375"></a>01375           * (uint64_t)cfg-&gt;<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087" title="Stream timebase units.">g_timebase</a>.<a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a> / (uint64_t)cfg-&gt;<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087" title="Stream timebase units.">g_timebase</a>.<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a>;
    1402. 

  1402. <a name="l01376"></a>01376 
    1403. 

  1403. <a name="l01377"></a>01377     idx = hist-&gt;frames++ % hist-&gt;samples;
    1404. 

  1404. <a name="l01378"></a>01378     hist-&gt;pts[idx] = now;
    1405. 

  1405. <a name="l01379"></a>01379     hist-&gt;sz[idx] = pkt-&gt;<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;
    1406. 

  1406. <a name="l01380"></a>01380 
    1407. 

  1407. <a name="l01381"></a>01381     <span class="keywordflow">if</span>(now &lt; cfg-&gt;rc_buf_initial_sz)
    1408. 

  1408. <a name="l01382"></a>01382         <span class="keywordflow">return</span>;
    1409. 

  1409. <a name="l01383"></a>01383 
    1410. 

  1410. <a name="l01384"></a>01384     then = now;
    1411. 

  1411. <a name="l01385"></a>01385 
    1412. 

  1412. <a name="l01386"></a>01386     <span class="comment">/* Sum the size over the past rc_buf_sz ms */</span>
    1413. 

  1413. <a name="l01387"></a>01387     <span class="keywordflow">for</span>(i = hist-&gt;frames; i &gt; 0 &amp;&amp; hist-&gt;frames - i &lt; hist-&gt;samples; i--)
    1414. 

  1414. <a name="l01388"></a>01388     {
    1415. 

  1415. <a name="l01389"></a>01389         <span class="keywordtype">int</span> i_idx = (i-1) % hist-&gt;samples;
    1416. 

  1416. <a name="l01390"></a>01390 
    1417. 

  1417. <a name="l01391"></a>01391         then = hist-&gt;pts[i_idx];
    1418. 

  1418. <a name="l01392"></a>01392         <span class="keywordflow">if</span>(now - then &gt; cfg-&gt;<a class="code" href="structvpx__codec__enc__cfg.html#a61866272bb588cd86d28834f420430f0" title="Decoder Buffer Size.">rc_buf_sz</a>)
    1419. 

  1419. <a name="l01393"></a>01393             <span class="keywordflow">break</span>;
    1420. 

  1420. <a name="l01394"></a>01394         sum_sz += hist-&gt;sz[i_idx];
    1421. 

  1421. <a name="l01395"></a>01395     }
    1422. 

  1422. <a name="l01396"></a>01396 
    1423. 

  1423. <a name="l01397"></a>01397     <span class="keywordflow">if</span> (now == then)
    1424. 

  1424. <a name="l01398"></a>01398         <span class="keywordflow">return</span>;
    1425. 

  1425. <a name="l01399"></a>01399 
    1426. 

  1426. <a name="l01400"></a>01400     avg_bitrate = sum_sz * 8 * 1000 / (now - then);
    1427. 

  1427. <a name="l01401"></a>01401     idx = avg_bitrate * (RATE_BINS/2) / (cfg-&gt;<a class="code" href="structvpx__codec__enc__cfg.html#ab8339685175d66710f482706cc9f0aed" title="Target data rate.">rc_target_bitrate</a> * 1000);
    1428. 

  1428. <a name="l01402"></a>01402     <span class="keywordflow">if</span>(idx &lt; 0)
    1429. 

  1429. <a name="l01403"></a>01403         idx = 0;
    1430. 

  1430. <a name="l01404"></a>01404     <span class="keywordflow">if</span>(idx &gt; RATE_BINS-1)
    1431. 

  1431. <a name="l01405"></a>01405         idx = RATE_BINS-1;
    1432. 

  1432. <a name="l01406"></a>01406     <span class="keywordflow">if</span>(hist-&gt;bucket[idx].low &gt; avg_bitrate)
    1433. 

  1433. <a name="l01407"></a>01407         hist-&gt;bucket[idx].low = avg_bitrate;
    1434. 

  1434. <a name="l01408"></a>01408     <span class="keywordflow">if</span>(hist-&gt;bucket[idx].high &lt; avg_bitrate)
    1435. 

  1435. <a name="l01409"></a>01409         hist-&gt;bucket[idx].high = avg_bitrate;
    1436. 

  1436. <a name="l01410"></a>01410     hist-&gt;bucket[idx].count++;
    1437. 

  1437. <a name="l01411"></a>01411     hist-&gt;total++;
    1438. 

  1438. <a name="l01412"></a>01412 }
    1439. 

  1439. <a name="l01413"></a>01413 
    1440. 

  1440. <a name="l01414"></a>01414 
    1441. 

  1441. <a name="l01415"></a>01415 <span class="keyword">static</span> <span class="keywordtype">void</span> show_rate_histogram(<span class="keyword">struct</span> rate_hist          *hist,
    1442. 

  1442. <a name="l01416"></a>01416                                 <span class="keyword">const</span> <a class="code" href="structvpx__codec__enc__cfg.html" title="Encoder configuration structure.">vpx_codec_enc_cfg_t</a> *cfg,
    1443. 

  1443. <a name="l01417"></a>01417                                 <span class="keywordtype">int</span>                        max_buckets)
    1444. 

  1444. <a name="l01418"></a>01418 {
    1445. 

  1445. <a name="l01419"></a>01419     <span class="keywordtype">int</span> i, scale;
    1446. 

  1446. <a name="l01420"></a>01420     <span class="keywordtype">int</span> buckets = 0;
    1447. 

  1447. <a name="l01421"></a>01421 
    1448. 

  1448. <a name="l01422"></a>01422     <span class="keywordflow">for</span>(i = 0; i &lt; RATE_BINS; i++)
    1449. 

  1449. <a name="l01423"></a>01423     {
    1450. 

  1450. <a name="l01424"></a>01424         <span class="keywordflow">if</span>(hist-&gt;bucket[i].low == INT_MAX)
    1451. 

  1451. <a name="l01425"></a>01425             <span class="keywordflow">continue</span>;
    1452. 

  1452. <a name="l01426"></a>01426         hist-&gt;bucket[buckets++] = hist-&gt;bucket[i];
    1453. 

  1453. <a name="l01427"></a>01427     }
    1454. 

  1454. <a name="l01428"></a>01428 
    1455. 

  1455. <a name="l01429"></a>01429     fprintf(stderr, <span class="stringliteral">&quot;\nRate (over %dms window):\n&quot;</span>, cfg-&gt;<a class="code" href="structvpx__codec__enc__cfg.html#a61866272bb588cd86d28834f420430f0" title="Decoder Buffer Size.">rc_buf_sz</a>);
    1456. 

  1456. <a name="l01430"></a>01430     scale = merge_hist_buckets(hist-&gt;bucket, &amp;buckets, max_buckets);
    1457. 

  1457. <a name="l01431"></a>01431     show_histogram(hist-&gt;bucket, buckets, hist-&gt;total, scale);
    1458. 

  1458. <a name="l01432"></a>01432 }
    1459. 

  1459. <a name="l01433"></a>01433 
    1460. 

  1460. <a name="l01434"></a>01434 <span class="preprocessor">#define ARG_CTRL_CNT_MAX 10</span>
    1461. 

  1461. <a name="l01435"></a>01435 <span class="preprocessor"></span>
    1462. 

  1462. <a name="l01436"></a>01436 <span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span> **argv_)
    1463. 

  1463. <a name="l01437"></a>01437 {
    1464. 

  1464. <a name="l01438"></a>01438     <a class="code" href="structvpx__codec__ctx.html" title="Codec context structure.">vpx_codec_ctx_t</a>        encoder;
    1465. 

  1465. <a name="l01439"></a>01439     <span class="keyword">const</span> <span class="keywordtype">char</span>                  *in_fn = NULL, *out_fn = NULL, *stats_fn = NULL;
    1466. 

  1466. <a name="l01440"></a>01440     <span class="keywordtype">int</span>                    i;
    1467. 

  1467. <a name="l01441"></a>01441     FILE                  *infile, *outfile;
    1468. 

  1468. <a name="l01442"></a>01442     <a class="code" href="structvpx__codec__enc__cfg.html" title="Encoder configuration structure.">vpx_codec_enc_cfg_t</a>    cfg;
    1469. 

  1469. <a name="l01443"></a>01443     <a class="code" href="group__codec.html#gada1084710837ad363b92f2379dd2b8d2" title="Algorithm return codes.">vpx_codec_err_t</a>        res;
    1470. 

  1470. <a name="l01444"></a>01444     <span class="keywordtype">int</span>                    pass, one_pass_only = 0;
    1471. 

  1471. <a name="l01445"></a>01445     stats_io_t             stats;
    1472. 

  1472. <a name="l01446"></a>01446     <a class="code" href="structvpx__image.html" title="Image Descriptor.">vpx_image_t</a>            raw;
    1473. 

  1473. <a name="l01447"></a>01447     <span class="keyword">const</span> <span class="keyword">struct </span>codec_item  *codec = codecs;
    1474. 

  1474. <a name="l01448"></a>01448     <span class="keywordtype">int</span>                    frame_avail, got_data;
    1475. 

  1475. <a name="l01449"></a>01449 
    1476. 

  1476. <a name="l01450"></a>01450     <span class="keyword">struct </span>arg               arg;
    1477. 

  1477. <a name="l01451"></a>01451     <span class="keywordtype">char</span>                   **argv, **argi, **argj;
    1478. 

  1478. <a name="l01452"></a>01452     <span class="keywordtype">int</span>                      arg_usage = 0, arg_passes = 1, arg_deadline = 0;
    1479. 

  1479. <a name="l01453"></a>01453     <span class="keywordtype">int</span>                      arg_ctrls[ARG_CTRL_CNT_MAX][2], arg_ctrl_cnt = 0;
    1480. 

  1480. <a name="l01454"></a>01454     <span class="keywordtype">int</span>                      arg_limit = 0;
    1481. 

  1481. <a name="l01455"></a>01455     <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t **ctrl_args = no_args;
    1482. 

  1482. <a name="l01456"></a>01456     <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span>        *ctrl_args_map = NULL;
    1483. 

  1483. <a name="l01457"></a>01457     <span class="keywordtype">int</span>                      verbose = 0, show_psnr = 0;
    1484. 

  1484. <a name="l01458"></a>01458     <span class="keywordtype">int</span>                      arg_use_i420 = 1;
    1485. 

  1485. <a name="l01459"></a>01459     <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>            cx_time = 0;
    1486. 

  1486. <a name="l01460"></a>01460     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>             file_type, fourcc;
    1487. 

  1487. <a name="l01461"></a>01461     y4m_input                y4m;
    1488. 

  1488. <a name="l01462"></a>01462     <span class="keyword">struct </span><a class="code" href="structvpx__rational.html" title="Rational Number.">vpx_rational</a>      arg_framerate = {30, 1};
    1489. 

  1489. <a name="l01463"></a>01463     <span class="keywordtype">int</span>                      arg_have_framerate = 0;
    1490. 

  1490. <a name="l01464"></a>01464     <span class="keywordtype">int</span>                      write_webm = 1;
    1491. 

  1491. <a name="l01465"></a>01465     EbmlGlobal               ebml = {0};
    1492. 

  1492. <a name="l01466"></a>01466     uint32_t                 hash = 0;
    1493. 

  1493. <a name="l01467"></a>01467     uint64_t                 psnr_sse_total = 0;
    1494. 

  1494. <a name="l01468"></a>01468     uint64_t                 psnr_samples_total = 0;
    1495. 

  1495. <a name="l01469"></a>01469     <span class="keywordtype">double</span>                   psnr_totals[4] = {0, 0, 0, 0};
    1496. 

  1496. <a name="l01470"></a>01470     <span class="keywordtype">int</span>                      psnr_count = 0;
    1497. 

  1497. <a name="l01471"></a>01471     stereo_format_t          stereo_fmt = STEREO_FORMAT_MONO;
    1498. 

  1498. <a name="l01472"></a>01472     <span class="keywordtype">int</span>                      counts[64]={0};
    1499. 

  1499. <a name="l01473"></a>01473     <span class="keywordtype">int</span>                      show_q_hist_buckets=0;
    1500. 

  1500. <a name="l01474"></a>01474     <span class="keywordtype">int</span>                      show_rate_hist_buckets=0;
    1501. 

  1501. <a name="l01475"></a>01475     <span class="keyword">struct </span>rate_hist         rate_hist={0};
    1502. 

  1502. <a name="l01476"></a>01476 
    1503. 

  1503. <a name="l01477"></a>01477     exec_name = argv_[0];
    1504. 

  1504. <a name="l01478"></a>01478     ebml.last_pts_ms = -1;
    1505. 

  1505. <a name="l01479"></a>01479 
    1506. 

  1506. <a name="l01480"></a>01480     <span class="keywordflow">if</span> (argc &lt; 3)
    1507. 

  1507. <a name="l01481"></a>01481         usage_exit();
    1508. 

  1508. <a name="l01482"></a>01482 
    1509. 

  1509. <a name="l01483"></a>01483 
    1510. 

  1510. <a name="l01484"></a>01484     <span class="comment">/* First parse the codec and usage values, because we want to apply other</span>
    1511. 

  1511. <a name="l01485"></a>01485 <span class="comment">     * parameters on top of the default configuration provided by the codec.</span>
    1512. 

  1512. <a name="l01486"></a>01486 <span class="comment">     */</span>
    1513. 

  1513. <a name="l01487"></a>01487     argv = argv_dup(argc - 1, argv_ + 1);
    1514. 

  1514. <a name="l01488"></a>01488 
    1515. 

  1515. <a name="l01489"></a>01489     <span class="keywordflow">for</span> (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
    1516. 

  1516. <a name="l01490"></a>01490     {
    1517. 

  1517. <a name="l01491"></a>01491         arg.argv_step = 1;
    1518. 

  1518. <a name="l01492"></a>01492 
    1519. 

  1519. <a name="l01493"></a>01493         <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;codecarg, argi))
    1520. 

  1520. <a name="l01494"></a>01494         {
    1521. 

  1521. <a name="l01495"></a>01495             <span class="keywordtype">int</span> j, k = -1;
    1522. 

  1522. <a name="l01496"></a>01496 
    1523. 

  1523. <a name="l01497"></a>01497             <span class="keywordflow">for</span> (j = 0; j &lt; <span class="keyword">sizeof</span>(codecs) / <span class="keyword">sizeof</span>(codecs[0]); j++)
    1524. 

  1524. <a name="l01498"></a>01498                 <span class="keywordflow">if</span> (!strcmp(codecs[j].name, arg.val))
    1525. 

  1525. <a name="l01499"></a>01499                     k = j;
    1526. 

  1526. <a name="l01500"></a>01500 
    1527. 

  1527. <a name="l01501"></a>01501             <span class="keywordflow">if</span> (k &gt;= 0)
    1528. 

  1528. <a name="l01502"></a>01502                 codec = codecs + k;
    1529. 

  1529. <a name="l01503"></a>01503             <span class="keywordflow">else</span>
    1530. 

  1530. <a name="l01504"></a>01504                 die(<span class="stringliteral">&quot;Error: Unrecognized argument (%s) to --codec\n&quot;</span>,
    1531. 

  1531. <a name="l01505"></a>01505                     arg.val);
    1532. 

  1532. <a name="l01506"></a>01506 
    1533. 

  1533. <a name="l01507"></a>01507         }
    1534. 

  1534. <a name="l01508"></a>01508         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;passes, argi))
    1535. 

  1535. <a name="l01509"></a>01509         {
    1536. 

  1536. <a name="l01510"></a>01510             arg_passes = arg_parse_uint(&amp;arg);
    1537. 

  1537. <a name="l01511"></a>01511 
    1538. 

  1538. <a name="l01512"></a>01512             <span class="keywordflow">if</span> (arg_passes &lt; 1 || arg_passes &gt; 2)
    1539. 

  1539. <a name="l01513"></a>01513                 die(<span class="stringliteral">&quot;Error: Invalid number of passes (%d)\n&quot;</span>, arg_passes);
    1540. 

  1540. <a name="l01514"></a>01514         }
    1541. 

  1541. <a name="l01515"></a>01515         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;pass_arg, argi))
    1542. 

  1542. <a name="l01516"></a>01516         {
    1543. 

  1543. <a name="l01517"></a>01517             one_pass_only = arg_parse_uint(&amp;arg);
    1544. 

  1544. <a name="l01518"></a>01518 
    1545. 

  1545. <a name="l01519"></a>01519             <span class="keywordflow">if</span> (one_pass_only &lt; 1 || one_pass_only &gt; 2)
    1546. 

  1546. <a name="l01520"></a>01520                 die(<span class="stringliteral">&quot;Error: Invalid pass selected (%d)\n&quot;</span>, one_pass_only);
    1547. 

  1547. <a name="l01521"></a>01521         }
    1548. 

  1548. <a name="l01522"></a>01522         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;fpf_name, argi))
    1549. 

  1549. <a name="l01523"></a>01523             stats_fn = arg.val;
    1550. 

  1550. <a name="l01524"></a>01524         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;usage, argi))
    1551. 

  1551. <a name="l01525"></a>01525             arg_usage = arg_parse_uint(&amp;arg);
    1552. 

  1552. <a name="l01526"></a>01526         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;deadline, argi))
    1553. 

  1553. <a name="l01527"></a>01527             arg_deadline = arg_parse_uint(&amp;arg);
    1554. 

  1554. <a name="l01528"></a>01528         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;best_dl, argi))
    1555. 

  1555. <a name="l01529"></a>01529             arg_deadline = <a class="code" href="group__encoder.html#gab350573bea112f2fdf8e5677db3ac0da">VPX_DL_BEST_QUALITY</a>;
    1556. 

  1556. <a name="l01530"></a>01530         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;good_dl, argi))
    1557. 

  1557. <a name="l01531"></a>01531             arg_deadline = <a class="code" href="group__encoder.html#ga5d00a9f9e10b9f49ca91e72c1f01c9fd">VPX_DL_GOOD_QUALITY</a>;
    1558. 

  1558. <a name="l01532"></a>01532         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;rt_dl, argi))
    1559. 

  1559. <a name="l01533"></a>01533             arg_deadline = <a class="code" href="group__encoder.html#ga04253cc9ec1146d72fa8bb86bcf32144">VPX_DL_REALTIME</a>;
    1560. 

  1560. <a name="l01534"></a>01534         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;use_yv12, argi))
    1561. 

  1561. <a name="l01535"></a>01535         {
    1562. 

  1562. <a name="l01536"></a>01536             arg_use_i420 = 0;
    1563. 

  1563. <a name="l01537"></a>01537         }
    1564. 

  1564. <a name="l01538"></a>01538         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;use_i420, argi))
    1565. 

  1565. <a name="l01539"></a>01539         {
    1566. 

  1566. <a name="l01540"></a>01540             arg_use_i420 = 1;
    1567. 

  1567. <a name="l01541"></a>01541         }
    1568. 

  1568. <a name="l01542"></a>01542         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;verbosearg, argi))
    1569. 

  1569. <a name="l01543"></a>01543             verbose = 1;
    1570. 

  1570. <a name="l01544"></a>01544         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;limit, argi))
    1571. 

  1571. <a name="l01545"></a>01545             arg_limit = arg_parse_uint(&amp;arg);
    1572. 

  1572. <a name="l01546"></a>01546         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;psnrarg, argi))
    1573. 

  1573. <a name="l01547"></a>01547             show_psnr = 1;
    1574. 

  1574. <a name="l01548"></a>01548         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;framerate, argi))
    1575. 

  1575. <a name="l01549"></a>01549         {
    1576. 

  1576. <a name="l01550"></a>01550             arg_framerate = arg_parse_rational(&amp;arg);
    1577. 

  1577. <a name="l01551"></a>01551             arg_have_framerate = 1;
    1578. 

  1578. <a name="l01552"></a>01552         }
    1579. 

  1579. <a name="l01553"></a>01553         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;use_ivf, argi))
    1580. 

  1580. <a name="l01554"></a>01554             write_webm = 0;
    1581. 

  1581. <a name="l01555"></a>01555         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;outputfile, argi))
    1582. 

  1582. <a name="l01556"></a>01556             out_fn = arg.val;
    1583. 

  1583. <a name="l01557"></a>01557         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;debugmode, argi))
    1584. 

  1584. <a name="l01558"></a>01558             ebml.debug = 1;
    1585. 

  1585. <a name="l01559"></a>01559         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;q_hist_n, argi))
    1586. 

  1586. <a name="l01560"></a>01560             show_q_hist_buckets = arg_parse_uint(&amp;arg);
    1587. 

  1587. <a name="l01561"></a>01561         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;rate_hist_n, argi))
    1588. 

  1588. <a name="l01562"></a>01562             show_rate_hist_buckets = arg_parse_uint(&amp;arg);
    1589. 

  1589. <a name="l01563"></a>01563         <span class="keywordflow">else</span>
    1590. 

  1590. <a name="l01564"></a>01564             argj++;
    1591. 

  1591. <a name="l01565"></a>01565     }
    1592. 

  1592. <a name="l01566"></a>01566 
    1593. 

  1593. <a name="l01567"></a>01567     <span class="comment">/* Ensure that --passes and --pass are consistent. If --pass is set and --passes=2,</span>
    1594. 

  1594. <a name="l01568"></a>01568 <span class="comment">     * ensure --fpf was set.</span>
    1595. 

  1595. <a name="l01569"></a>01569 <span class="comment">     */</span>
    1596. 

  1596. <a name="l01570"></a>01570     <span class="keywordflow">if</span> (one_pass_only)
    1597. 

  1597. <a name="l01571"></a>01571     {
    1598. 

  1598. <a name="l01572"></a>01572         <span class="comment">/* DWIM: Assume the user meant passes=2 if pass=2 is specified */</span>
    1599. 

  1599. <a name="l01573"></a>01573         <span class="keywordflow">if</span> (one_pass_only &gt; arg_passes)
    1600. 

  1600. <a name="l01574"></a>01574         {
    1601. 

  1601. <a name="l01575"></a>01575             fprintf(stderr, <span class="stringliteral">&quot;Warning: Assuming --pass=%d implies --passes=%d\n&quot;</span>,
    1602. 

  1602. <a name="l01576"></a>01576                    one_pass_only, one_pass_only);
    1603. 

  1603. <a name="l01577"></a>01577             arg_passes = one_pass_only;
    1604. 

  1604. <a name="l01578"></a>01578         }
    1605. 

  1605. <a name="l01579"></a>01579 
    1606. 

  1606. <a name="l01580"></a>01580         <span class="keywordflow">if</span> (arg_passes == 2 &amp;&amp; !stats_fn)
    1607. 

  1607. <a name="l01581"></a>01581             die(<span class="stringliteral">&quot;Must specify --fpf when --pass=%d and --passes=2\n&quot;</span>, one_pass_only);
    1608. 

  1608. <a name="l01582"></a>01582     }
    1609. 

  1609. <a name="l01583"></a>01583 
    1610. 

  1610. <a name="l01584"></a>01584     <span class="comment">/* Populate encoder configuration */</span>
    1611. 

  1611. <a name="l01585"></a>01585     res = <a class="code" href="group__encoder.html#ga9ab8c79623312e9c5d5405d66a788f59" title="Get a default configuration.">vpx_codec_enc_config_default</a>(codec-&gt;iface, &amp;cfg, arg_usage);
    1612. 

  1612. <a name="l01586"></a>01586 
    1613. 

  1613. <a name="l01587"></a>01587     <span class="keywordflow">if</span> (res)
    1614. 

  1614. <a name="l01588"></a>01588     {
    1615. 

  1615. <a name="l01589"></a>01589         fprintf(stderr, <span class="stringliteral">&quot;Failed to get config: %s\n&quot;</span>,
    1616. 

  1616. <a name="l01590"></a>01590                 <a class="code" href="group__codec.html#gaaddf5c1f609ef18c7c8800d102fcefa6" title="Convert error number to printable string.">vpx_codec_err_to_string</a>(res));
    1617. 

  1617. <a name="l01591"></a>01591         <span class="keywordflow">return</span> EXIT_FAILURE;
    1618. 

  1618. <a name="l01592"></a>01592     }
    1619. 

  1619. <a name="l01593"></a>01593 
    1620. 

  1620. <a name="l01594"></a>01594     <span class="comment">/* Change the default timebase to a high enough value so that the encoder</span>
    1621. 

  1621. <a name="l01595"></a>01595 <span class="comment">     * will always create strictly increasing timestamps.</span>
    1622. 

  1622. <a name="l01596"></a>01596 <span class="comment">     */</span>
    1623. 

  1623. <a name="l01597"></a>01597     cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087" title="Stream timebase units.">g_timebase</a>.<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a> = 1000;
    1624. 

  1624. <a name="l01598"></a>01598 
    1625. 

  1625. <a name="l01599"></a>01599     <span class="comment">/* Never use the library&apos;s default resolution, require it be parsed</span>
    1626. 

  1626. <a name="l01600"></a>01600 <span class="comment">     * from the file or set on the command line.</span>
    1627. 

  1627. <a name="l01601"></a>01601 <span class="comment">     */</span>
    1628. 

  1628. <a name="l01602"></a>01602     cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c" title="Width of the frame.">g_w</a> = 0;
    1629. 

  1629. <a name="l01603"></a>01603     cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e" title="Height of the frame.">g_h</a> = 0;
    1630. 

  1630. <a name="l01604"></a>01604 
    1631. 

  1631. <a name="l01605"></a>01605     <span class="comment">/* Now parse the remainder of the parameters. */</span>
    1632. 

  1632. <a name="l01606"></a>01606     <span class="keywordflow">for</span> (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
    1633. 

  1633. <a name="l01607"></a>01607     {
    1634. 

  1634. <a name="l01608"></a>01608         arg.argv_step = 1;
    1635. 

  1635. <a name="l01609"></a>01609 
    1636. 

  1636. <a name="l01610"></a>01610         <span class="keywordflow">if</span> (0);
    1637. 

  1637. <a name="l01611"></a>01611         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;threads, argi))
    1638. 

  1638. <a name="l01612"></a>01612             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#aff9d8d458c45c95dd542603210ba2b8b" title="Maximum number of threads to use.">g_threads</a> = arg_parse_uint(&amp;arg);
    1639. 

  1639. <a name="l01613"></a>01613         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;profile, argi))
    1640. 

  1640. <a name="l01614"></a>01614             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a3d7fe3a8b237338c094d5a956a41804d" title="Bitstream profile to use.">g_profile</a> = arg_parse_uint(&amp;arg);
    1641. 

  1641. <a name="l01615"></a>01615         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;width, argi))
    1642. 

  1642. <a name="l01616"></a>01616             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c" title="Width of the frame.">g_w</a> = arg_parse_uint(&amp;arg);
    1643. 

  1643. <a name="l01617"></a>01617         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;height, argi))
    1644. 

  1644. <a name="l01618"></a>01618             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e" title="Height of the frame.">g_h</a> = arg_parse_uint(&amp;arg);
    1645. 

  1645. <a name="l01619"></a>01619         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;stereo_mode, argi))
    1646. 

  1646. <a name="l01620"></a>01620             stereo_fmt = arg_parse_enum_or_int(&amp;arg);
    1647. 

  1647. <a name="l01621"></a>01621         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;timebase, argi))
    1648. 

  1648. <a name="l01622"></a>01622             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087" title="Stream timebase units.">g_timebase</a> = arg_parse_rational(&amp;arg);
    1649. 

  1649. <a name="l01623"></a>01623         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;error_resilient, argi))
    1650. 

  1650. <a name="l01624"></a>01624             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4e17173b66ca0d7dfba9978625d7ba76" title="Enable error resilient modes.">g_error_resilient</a> = arg_parse_uint(&amp;arg);
    1651. 

  1651. <a name="l01625"></a>01625         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;lag_in_frames, argi))
    1652. 

  1652. <a name="l01626"></a>01626             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a992668d9e30305f3f7ab2672ea31a890" title="Allow lagged encoding.">g_lag_in_frames</a> = arg_parse_uint(&amp;arg);
    1653. 

  1653. <a name="l01627"></a>01627         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;dropframe_thresh, argi))
    1654. 

  1654. <a name="l01628"></a>01628             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a619269f9a6904de58c4790e6806a3905" title="Temporal resampling configuration, if supported by the codec.">rc_dropframe_thresh</a> = arg_parse_uint(&amp;arg);
    1655. 

  1655. <a name="l01629"></a>01629         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;resize_allowed, argi))
    1656. 

  1656. <a name="l01630"></a>01630             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a02a4e2f18fb0fdfff44df8b0d9a99d6c" title="Enable/disable spatial resampling, if supported by the codec.">rc_resize_allowed</a> = arg_parse_uint(&amp;arg);
    1657. 

  1657. <a name="l01631"></a>01631         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;resize_up_thresh, argi))
    1658. 

  1658. <a name="l01632"></a>01632             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a855599c0660f31dfcab4a64996b4f6ad" title="Spatial resampling up watermark.">rc_resize_up_thresh</a> = arg_parse_uint(&amp;arg);
    1659. 

  1659. <a name="l01633"></a>01633         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;resize_down_thresh, argi))
    1660. 

  1660. <a name="l01634"></a>01634             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a1be7bd7b0eaf1e99b5e4028c37c65488" title="Spatial resampling down watermark.">rc_resize_down_thresh</a> = arg_parse_uint(&amp;arg);
    1661. 

  1661. <a name="l01635"></a>01635         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;resize_down_thresh, argi))
    1662. 

  1662. <a name="l01636"></a>01636             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a1be7bd7b0eaf1e99b5e4028c37c65488" title="Spatial resampling down watermark.">rc_resize_down_thresh</a> = arg_parse_uint(&amp;arg);
    1663. 

  1663. <a name="l01637"></a>01637         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;end_usage, argi))
    1664. 

  1664. <a name="l01638"></a>01638             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a99c415edb6c6f909a095a57c3430a116" title="Rate control algorithm to use.">rc_end_usage</a> = arg_parse_enum_or_int(&amp;arg);
    1665. 

  1665. <a name="l01639"></a>01639         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;target_bitrate, argi))
    1666. 

  1666. <a name="l01640"></a>01640             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#ab8339685175d66710f482706cc9f0aed" title="Target data rate.">rc_target_bitrate</a> = arg_parse_uint(&amp;arg);
    1667. 

  1667. <a name="l01641"></a>01641         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;min_quantizer, argi))
    1668. 

  1668. <a name="l01642"></a>01642             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a1324600e3c63faaa7717e85cf6509dd9" title="Minimum (Best Quality) Quantizer.">rc_min_quantizer</a> = arg_parse_uint(&amp;arg);
    1669. 

  1669. <a name="l01643"></a>01643         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;max_quantizer, argi))
    1670. 

  1670. <a name="l01644"></a>01644             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a8abdd985d317b720e142335887d737df" title="Maximum (Worst Quality) Quantizer.">rc_max_quantizer</a> = arg_parse_uint(&amp;arg);
    1671. 

  1671. <a name="l01645"></a>01645         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;undershoot_pct, argi))
    1672. 

  1672. <a name="l01646"></a>01646             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#ad279fbb0a9fe9395340913161e28651a" title="Rate control adaptation undershoot control.">rc_undershoot_pct</a> = arg_parse_uint(&amp;arg);
    1673. 

  1673. <a name="l01647"></a>01647         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;overshoot_pct, argi))
    1674. 

  1674. <a name="l01648"></a>01648             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4f2fbd015c1b1f395cc4a4b03d4ead5f" title="Rate control adaptation overshoot control.">rc_overshoot_pct</a> = arg_parse_uint(&amp;arg);
    1675. 

  1675. <a name="l01649"></a>01649         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;buf_sz, argi))
    1676. 

  1676. <a name="l01650"></a>01650             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a61866272bb588cd86d28834f420430f0" title="Decoder Buffer Size.">rc_buf_sz</a> = arg_parse_uint(&amp;arg);
    1677. 

  1677. <a name="l01651"></a>01651         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;buf_initial_sz, argi))
    1678. 

  1678. <a name="l01652"></a>01652             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#aa9e4d6405994ef42d61d478cf6e0d5e0" title="Decoder Buffer Initial Size.">rc_buf_initial_sz</a> = arg_parse_uint(&amp;arg);
    1679. 

  1679. <a name="l01653"></a>01653         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;buf_optimal_sz, argi))
    1680. 

  1680. <a name="l01654"></a>01654             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#aafde485867e040a58504ad796e79e47f" title="Decoder Buffer Optimal Size.">rc_buf_optimal_sz</a> = arg_parse_uint(&amp;arg);
    1681. 

  1681. <a name="l01655"></a>01655         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;bias_pct, argi))
    1682. 

  1682. <a name="l01656"></a>01656         {
    1683. 

  1683. <a name="l01657"></a>01657             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a21c21ff097890dc3a450731c9b504cf4" title="Two-pass mode CBR/VBR bias.">rc_2pass_vbr_bias_pct</a> = arg_parse_uint(&amp;arg);
    1684. 

  1684. <a name="l01658"></a>01658 
    1685. 

  1685. <a name="l01659"></a>01659             <span class="keywordflow">if</span> (arg_passes &lt; 2)
    1686. 

  1686. <a name="l01660"></a>01660                 fprintf(stderr,
    1687. 

  1687. <a name="l01661"></a>01661                         <span class="stringliteral">&quot;Warning: option %s ignored in one-pass mode.\n&quot;</span>,
    1688. 

  1688. <a name="l01662"></a>01662                         arg.name);
    1689. 

  1689. <a name="l01663"></a>01663         }
    1690. 

  1690. <a name="l01664"></a>01664         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;minsection_pct, argi))
    1691. 

  1691. <a name="l01665"></a>01665         {
    1692. 

  1692. <a name="l01666"></a>01666             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a21eb9fce0844ae07b617bf3f0a25f5a5" title="Two-pass mode per-GOP minimum bitrate.">rc_2pass_vbr_minsection_pct</a> = arg_parse_uint(&amp;arg);
    1693. 

  1693. <a name="l01667"></a>01667 
    1694. 

  1694. <a name="l01668"></a>01668             <span class="keywordflow">if</span> (arg_passes &lt; 2)
    1695. 

  1695. <a name="l01669"></a>01669                 fprintf(stderr,
    1696. 

  1696. <a name="l01670"></a>01670                         <span class="stringliteral">&quot;Warning: option %s ignored in one-pass mode.\n&quot;</span>,
    1697. 

  1697. <a name="l01671"></a>01671                         arg.name);
    1698. 

  1698. <a name="l01672"></a>01672         }
    1699. 

  1699. <a name="l01673"></a>01673         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;maxsection_pct, argi))
    1700. 

  1700. <a name="l01674"></a>01674         {
    1701. 

  1701. <a name="l01675"></a>01675             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#ab5212050b71b2d9f4dc663caa496949e" title="Two-pass mode per-GOP maximum bitrate.">rc_2pass_vbr_maxsection_pct</a> = arg_parse_uint(&amp;arg);
    1702. 

  1702. <a name="l01676"></a>01676 
    1703. 

  1703. <a name="l01677"></a>01677             <span class="keywordflow">if</span> (arg_passes &lt; 2)
    1704. 

  1704. <a name="l01678"></a>01678                 fprintf(stderr,
    1705. 

  1705. <a name="l01679"></a>01679                         <span class="stringliteral">&quot;Warning: option %s ignored in one-pass mode.\n&quot;</span>,
    1706. 

  1706. <a name="l01680"></a>01680                         arg.name);
    1707. 

  1707. <a name="l01681"></a>01681         }
    1708. 

  1708. <a name="l01682"></a>01682         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;kf_min_dist, argi))
    1709. 

  1709. <a name="l01683"></a>01683             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a0a7b5444ecb09745cbe8d5af17553846" title="Keyframe minimum interval.">kf_min_dist</a> = arg_parse_uint(&amp;arg);
    1710. 

  1710. <a name="l01684"></a>01684         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;kf_max_dist, argi))
    1711. 

  1711. <a name="l01685"></a>01685             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#ae018440136e271743376730413d25a9b" title="Keyframe maximum interval.">kf_max_dist</a> = arg_parse_uint(&amp;arg);
    1712. 

  1712. <a name="l01686"></a>01686         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&amp;arg, &amp;kf_disabled, argi))
    1713. 

  1713. <a name="l01687"></a>01687             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a491d67f061dcdb13f60c017563e9d788" title="Keyframe placement mode.">kf_mode</a> = <a class="code" href="group__encoder.html#gga9f461802aa4db35c04a8b23837987f40a56513f60cbf3434ca0092173005d0ab2">VPX_KF_DISABLED</a>;
    1714. 

  1714. <a name="l01688"></a>01688         <span class="keywordflow">else</span>
    1715. 

  1715. <a name="l01689"></a>01689             argj++;
    1716. 

  1716. <a name="l01690"></a>01690     }
    1717. 

  1717. <a name="l01691"></a>01691 
    1718. 

  1718. <a name="l01692"></a>01692     <span class="comment">/* Handle codec specific options */</span>
    1719. 

  1719. <a name="l01693"></a>01693 <span class="preprocessor">#if CONFIG_VP8_ENCODER</span>
    1720. 

  1720. <a name="l01694"></a>01694 <span class="preprocessor"></span>
    1721. 

  1721. <a name="l01695"></a>01695     <span class="keywordflow">if</span> (codec-&gt;iface == &amp;vpx_codec_vp8_cx_algo)
    1722. 

  1722. <a name="l01696"></a>01696     {
    1723. 

  1723. <a name="l01697"></a>01697         ctrl_args = vp8_args;
    1724. 

  1724. <a name="l01698"></a>01698         ctrl_args_map = vp8_arg_ctrl_map;
    1725. 

  1725. <a name="l01699"></a>01699     }
    1726. 

  1726. <a name="l01700"></a>01700 
    1727. 

  1727. <a name="l01701"></a>01701 <span class="preprocessor">#endif</span>
    1728. 

  1728. <a name="l01702"></a>01702 <span class="preprocessor"></span>
    1729. 

  1729. <a name="l01703"></a>01703     <span class="keywordflow">for</span> (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
    1730. 

  1730. <a name="l01704"></a>01704     {
    1731. 

  1731. <a name="l01705"></a>01705         <span class="keywordtype">int</span> match = 0;
    1732. 

  1732. <a name="l01706"></a>01706 
    1733. 

  1733. <a name="l01707"></a>01707         arg.argv_step = 1;
    1734. 

  1734. <a name="l01708"></a>01708 
    1735. 

  1735. <a name="l01709"></a>01709         <span class="keywordflow">for</span> (i = 0; ctrl_args[i]; i++)
    1736. 

  1736. <a name="l01710"></a>01710         {
    1737. 

  1737. <a name="l01711"></a>01711             <span class="keywordflow">if</span> (arg_match(&amp;arg, ctrl_args[i], argi))
    1738. 

  1738. <a name="l01712"></a>01712             {
    1739. 

  1739. <a name="l01713"></a>01713                 match = 1;
    1740. 

  1740. <a name="l01714"></a>01714 
    1741. 

  1741. <a name="l01715"></a>01715                 <span class="keywordflow">if</span> (arg_ctrl_cnt &lt; ARG_CTRL_CNT_MAX)
    1742. 

  1742. <a name="l01716"></a>01716                 {
    1743. 

  1743. <a name="l01717"></a>01717                     arg_ctrls[arg_ctrl_cnt][0] = ctrl_args_map[i];
    1744. 

  1744. <a name="l01718"></a>01718                     arg_ctrls[arg_ctrl_cnt][1] = arg_parse_enum_or_int(&amp;arg);
    1745. 

  1745. <a name="l01719"></a>01719                     arg_ctrl_cnt++;
    1746. 

  1746. <a name="l01720"></a>01720                 }
    1747. 

  1747. <a name="l01721"></a>01721             }
    1748. 

  1748. <a name="l01722"></a>01722         }
    1749. 

  1749. <a name="l01723"></a>01723 
    1750. 

  1750. <a name="l01724"></a>01724         <span class="keywordflow">if</span> (!match)
    1751. 

  1751. <a name="l01725"></a>01725             argj++;
    1752. 

  1752. <a name="l01726"></a>01726     }
    1753. 

  1753. <a name="l01727"></a>01727 
    1754. 

  1754. <a name="l01728"></a>01728     <span class="comment">/* Check for unrecognized options */</span>
    1755. 

  1755. <a name="l01729"></a>01729     <span class="keywordflow">for</span> (argi = argv; *argi; argi++)
    1756. 

  1756. <a name="l01730"></a>01730         <span class="keywordflow">if</span> (argi[0][0] == <span class="charliteral">&apos;-&apos;</span> &amp;&amp; argi[0][1])
    1757. 

  1757. <a name="l01731"></a>01731             die(<span class="stringliteral">&quot;Error: Unrecognized option %s\n&quot;</span>, *argi);
    1758. 

  1758. <a name="l01732"></a>01732 
    1759. 

  1759. <a name="l01733"></a>01733     <span class="comment">/* Handle non-option arguments */</span>
    1760. 

  1760. <a name="l01734"></a>01734     in_fn = argv[0];
    1761. 

  1761. <a name="l01735"></a>01735 
    1762. 

  1762. <a name="l01736"></a>01736     <span class="keywordflow">if</span> (!in_fn)
    1763. 

  1763. <a name="l01737"></a>01737         usage_exit();
    1764. 

  1764. <a name="l01738"></a>01738 
    1765. 

  1765. <a name="l01739"></a>01739     <span class="keywordflow">if</span>(!out_fn)
    1766. 

  1766. <a name="l01740"></a>01740         die(<span class="stringliteral">&quot;Error: Output file is required (specify with -o)\n&quot;</span>);
    1767. 

  1767. <a name="l01741"></a>01741 
    1768. 

  1768. <a name="l01742"></a>01742     memset(&amp;stats, 0, <span class="keyword">sizeof</span>(stats));
    1769. 

  1769. <a name="l01743"></a>01743 
    1770. 

  1770. <a name="l01744"></a>01744     <span class="keywordflow">for</span> (pass = one_pass_only ? one_pass_only - 1 : 0; pass &lt; arg_passes; pass++)
    1771. 

  1771. <a name="l01745"></a>01745     {
    1772. 

  1772. <a name="l01746"></a>01746         <span class="keywordtype">int</span> frames_in = 0, frames_out = 0;
    1773. 

  1773. <a name="l01747"></a>01747         <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> nbytes = 0;
    1774. 

  1774. <a name="l01748"></a>01748         <span class="keyword">struct </span>detect_buffer detect;
    1775. 

  1775. <a name="l01749"></a>01749 
    1776. 

  1776. <a name="l01750"></a>01750         <span class="comment">/* Parse certain options from the input file, if possible */</span>
    1777. 

  1777. <a name="l01751"></a>01751         infile = strcmp(in_fn, <span class="stringliteral">&quot;-&quot;</span>) ? fopen(in_fn, <span class="stringliteral">&quot;rb&quot;</span>)
    1778. 

  1778. <a name="l01752"></a>01752                                     : set_binary_mode(stdin);
    1779. 

  1779. <a name="l01753"></a>01753 
    1780. 

  1780. <a name="l01754"></a>01754         <span class="keywordflow">if</span> (!infile)
    1781. 

  1781. <a name="l01755"></a>01755         {
    1782. 

  1782. <a name="l01756"></a>01756             fprintf(stderr, <span class="stringliteral">&quot;Failed to open input file\n&quot;</span>);
    1783. 

  1783. <a name="l01757"></a>01757             <span class="keywordflow">return</span> EXIT_FAILURE;
    1784. 

  1784. <a name="l01758"></a>01758         }
    1785. 

  1785. <a name="l01759"></a>01759 
    1786. 

  1786. <a name="l01760"></a>01760         <span class="comment">/* For RAW input sources, these bytes will applied on the first frame</span>
    1787. 

  1787. <a name="l01761"></a>01761 <span class="comment">         *  in read_frame().</span>
    1788. 

  1788. <a name="l01762"></a>01762 <span class="comment">         */</span>
    1789. 

  1789. <a name="l01763"></a>01763         detect.buf_read = fread(detect.buf, 1, 4, infile);
    1790. 

  1790. <a name="l01764"></a>01764         detect.position = 0;
    1791. 

  1791. <a name="l01765"></a>01765 
    1792. 

  1792. <a name="l01766"></a>01766         <span class="keywordflow">if</span> (detect.buf_read == 4 &amp;&amp; file_is_y4m(infile, &amp;y4m, detect.buf))
    1793. 

  1793. <a name="l01767"></a>01767         {
    1794. 

  1794. <a name="l01768"></a>01768             <span class="keywordflow">if</span> (y4m_input_open(&amp;y4m, infile, detect.buf, 4) &gt;= 0)
    1795. 

  1795. <a name="l01769"></a>01769             {
    1796. 

  1796. <a name="l01770"></a>01770                 file_type = FILE_TYPE_Y4M;
    1797. 

  1797. <a name="l01771"></a>01771                 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c" title="Width of the frame.">g_w</a> = y4m.pic_w;
    1798. 

  1798. <a name="l01772"></a>01772                 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e" title="Height of the frame.">g_h</a> = y4m.pic_h;
    1799. 

  1799. <a name="l01773"></a>01773 
    1800. 

  1800. <a name="l01774"></a>01774                 <span class="comment">/* Use the frame rate from the file only if none was specified</span>
    1801. 

  1801. <a name="l01775"></a>01775 <span class="comment">                 * on the command-line.</span>
    1802. 

  1802. <a name="l01776"></a>01776 <span class="comment">                 */</span>
    1803. 

  1803. <a name="l01777"></a>01777                 <span class="keywordflow">if</span> (!arg_have_framerate)
    1804. 

  1804. <a name="l01778"></a>01778                 {
    1805. 

  1805. <a name="l01779"></a>01779                     arg_framerate.<a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a> = y4m.fps_n;
    1806. 

  1806. <a name="l01780"></a>01780                     arg_framerate.<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a> = y4m.fps_d;
    1807. 

  1807. <a name="l01781"></a>01781                 }
    1808. 

  1808. <a name="l01782"></a>01782 
    1809. 

  1809. <a name="l01783"></a>01783                 arg_use_i420 = 0;
    1810. 

  1810. <a name="l01784"></a>01784             }
    1811. 

  1811. <a name="l01785"></a>01785             <span class="keywordflow">else</span>
    1812. 

  1812. <a name="l01786"></a>01786             {
    1813. 

  1813. <a name="l01787"></a>01787                 fprintf(stderr, <span class="stringliteral">&quot;Unsupported Y4M stream.\n&quot;</span>);
    1814. 

  1814. <a name="l01788"></a>01788                 <span class="keywordflow">return</span> EXIT_FAILURE;
    1815. 

  1815. <a name="l01789"></a>01789             }
    1816. 

  1816. <a name="l01790"></a>01790         }
    1817. 

  1817. <a name="l01791"></a>01791         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (detect.buf_read == 4 &amp;&amp;
    1818. 

  1818. <a name="l01792"></a>01792                  file_is_ivf(infile, &amp;fourcc, &amp;cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c" title="Width of the frame.">g_w</a>, &amp;cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e" title="Height of the frame.">g_h</a>, &amp;detect))
    1819. 

  1819. <a name="l01793"></a>01793         {
    1820. 

  1820. <a name="l01794"></a>01794             file_type = FILE_TYPE_IVF;
    1821. 

  1821. <a name="l01795"></a>01795             <span class="keywordflow">switch</span> (fourcc)
    1822. 

  1822. <a name="l01796"></a>01796             {
    1823. 

  1823. <a name="l01797"></a>01797             <span class="keywordflow">case</span> 0x32315659:
    1824. 

  1824. <a name="l01798"></a>01798                 arg_use_i420 = 0;
    1825. 

  1825. <a name="l01799"></a>01799                 <span class="keywordflow">break</span>;
    1826. 

  1826. <a name="l01800"></a>01800             <span class="keywordflow">case</span> 0x30323449:
    1827. 

  1827. <a name="l01801"></a>01801                 arg_use_i420 = 1;
    1828. 

  1828. <a name="l01802"></a>01802                 <span class="keywordflow">break</span>;
    1829. 

  1829. <a name="l01803"></a>01803             <span class="keywordflow">default</span>:
    1830. 

  1830. <a name="l01804"></a>01804                 fprintf(stderr, <span class="stringliteral">&quot;Unsupported fourcc (%08x) in IVF\n&quot;</span>, fourcc);
    1831. 

  1831. <a name="l01805"></a>01805                 <span class="keywordflow">return</span> EXIT_FAILURE;
    1832. 

  1832. <a name="l01806"></a>01806             }
    1833. 

  1833. <a name="l01807"></a>01807         }
    1834. 

  1834. <a name="l01808"></a>01808         <span class="keywordflow">else</span>
    1835. 

  1835. <a name="l01809"></a>01809         {
    1836. 

  1836. <a name="l01810"></a>01810             file_type = FILE_TYPE_RAW;
    1837. 

  1837. <a name="l01811"></a>01811         }
    1838. 

  1838. <a name="l01812"></a>01812 
    1839. 

  1839. <a name="l01813"></a>01813         <span class="keywordflow">if</span>(!cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c" title="Width of the frame.">g_w</a> || !cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e" title="Height of the frame.">g_h</a>)
    1840. 

  1840. <a name="l01814"></a>01814         {
    1841. 

  1841. <a name="l01815"></a>01815             fprintf(stderr, <span class="stringliteral">&quot;Specify stream dimensions with --width (-w) &quot;</span>
    1842. 

  1842. <a name="l01816"></a>01816                             <span class="stringliteral">&quot; and --height (-h).\n&quot;</span>);
    1843. 

  1843. <a name="l01817"></a>01817             <span class="keywordflow">return</span> EXIT_FAILURE;
    1844. 

  1844. <a name="l01818"></a>01818         }
    1845. 

  1845. <a name="l01819"></a>01819 
    1846. 

  1846. <a name="l01820"></a>01820 <span class="preprocessor">#define SHOW(field) fprintf(stderr, &quot;    %-28s = %d\n&quot;, #field, cfg.field)</span>
    1847. 

  1847. <a name="l01821"></a>01821 <span class="preprocessor"></span>
    1848. 

  1848. <a name="l01822"></a>01822         <span class="keywordflow">if</span> (verbose &amp;&amp; pass == 0)
    1849. 

  1849. <a name="l01823"></a>01823         {
    1850. 

  1850. <a name="l01824"></a>01824             fprintf(stderr, <span class="stringliteral">&quot;Codec: %s\n&quot;</span>, <a class="code" href="group__codec.html#ga9eee39f450d8cdcf5aba0e2bda6e5aa8" title="Return the name for a given interface.">vpx_codec_iface_name</a>(codec-&gt;iface));
    1851. 

  1851. <a name="l01825"></a>01825             fprintf(stderr, <span class="stringliteral">&quot;Source file: %s Format: %s\n&quot;</span>, in_fn,
    1852. 

  1852. <a name="l01826"></a>01826                     arg_use_i420 ? <span class="stringliteral">&quot;I420&quot;</span> : <span class="stringliteral">&quot;YV12&quot;</span>);
    1853. 

  1853. <a name="l01827"></a>01827             fprintf(stderr, <span class="stringliteral">&quot;Destination file: %s\n&quot;</span>, out_fn);
    1854. 

  1854. <a name="l01828"></a>01828             fprintf(stderr, <span class="stringliteral">&quot;Encoder parameters:\n&quot;</span>);
    1855. 

  1855. <a name="l01829"></a>01829 
    1856. 

  1856. <a name="l01830"></a>01830             SHOW(g_usage);
    1857. 

  1857. <a name="l01831"></a>01831             SHOW(g_threads);
    1858. 

  1858. <a name="l01832"></a>01832             SHOW(g_profile);
    1859. 

  1859. <a name="l01833"></a>01833             SHOW(g_w);
    1860. 

  1860. <a name="l01834"></a>01834             SHOW(g_h);
    1861. 

  1861. <a name="l01835"></a>01835             SHOW(g_timebase.num);
    1862. 

  1862. <a name="l01836"></a>01836             SHOW(g_timebase.den);
    1863. 

  1863. <a name="l01837"></a>01837             SHOW(g_error_resilient);
    1864. 

  1864. <a name="l01838"></a>01838             SHOW(g_pass);
    1865. 

  1865. <a name="l01839"></a>01839             SHOW(g_lag_in_frames);
    1866. 

  1866. <a name="l01840"></a>01840             SHOW(rc_dropframe_thresh);
    1867. 

  1867. <a name="l01841"></a>01841             SHOW(rc_resize_allowed);
    1868. 

  1868. <a name="l01842"></a>01842             SHOW(rc_resize_up_thresh);
    1869. 

  1869. <a name="l01843"></a>01843             SHOW(rc_resize_down_thresh);
    1870. 

  1870. <a name="l01844"></a>01844             SHOW(rc_end_usage);
    1871. 

  1871. <a name="l01845"></a>01845             SHOW(rc_target_bitrate);
    1872. 

  1872. <a name="l01846"></a>01846             SHOW(rc_min_quantizer);
    1873. 

  1873. <a name="l01847"></a>01847             SHOW(rc_max_quantizer);
    1874. 

  1874. <a name="l01848"></a>01848             SHOW(rc_undershoot_pct);
    1875. 

  1875. <a name="l01849"></a>01849             SHOW(rc_overshoot_pct);
    1876. 

  1876. <a name="l01850"></a>01850             SHOW(rc_buf_sz);
    1877. 

  1877. <a name="l01851"></a>01851             SHOW(rc_buf_initial_sz);
    1878. 

  1878. <a name="l01852"></a>01852             SHOW(rc_buf_optimal_sz);
    1879. 

  1879. <a name="l01853"></a>01853             SHOW(rc_2pass_vbr_bias_pct);
    1880. 

  1880. <a name="l01854"></a>01854             SHOW(rc_2pass_vbr_minsection_pct);
    1881. 

  1881. <a name="l01855"></a>01855             SHOW(rc_2pass_vbr_maxsection_pct);
    1882. 

  1882. <a name="l01856"></a>01856             SHOW(kf_mode);
    1883. 

  1883. <a name="l01857"></a>01857             SHOW(kf_min_dist);
    1884. 

  1884. <a name="l01858"></a>01858             SHOW(kf_max_dist);
    1885. 

  1885. <a name="l01859"></a>01859         }
    1886. 

  1886. <a name="l01860"></a>01860 
    1887. 

  1887. <a name="l01861"></a>01861         <span class="keywordflow">if</span>(pass == (one_pass_only ? one_pass_only - 1 : 0)) {
    1888. 

  1888. <a name="l01862"></a>01862             <span class="keywordflow">if</span> (file_type == FILE_TYPE_Y4M)
    1889. 

  1889. <a name="l01863"></a>01863                 <span class="comment">/*The Y4M reader does its own allocation.</span>
    1890. 

  1890. <a name="l01864"></a>01864 <span class="comment">                  Just initialize this here to avoid problems if we never read any</span>
    1891. 

  1891. <a name="l01865"></a>01865 <span class="comment">                   frames.*/</span>
    1892. 

  1892. <a name="l01866"></a>01866                 memset(&amp;raw, 0, <span class="keyword">sizeof</span>(raw));
    1893. 

  1893. <a name="l01867"></a>01867             <span class="keywordflow">else</span>
    1894. 

  1894. <a name="l01868"></a>01868                 <a class="code" href="vpx__image_8h.html#ab80398f28ca880368a922fa979eb66c1" title="Open a descriptor, allocating storage for the underlying image.">vpx_img_alloc</a>(&amp;raw, arg_use_i420 ? VPX_IMG_FMT_I420 : <a class="code" href="vpx__image_8h.html#a7a30a7bff7400fb83ad45fede5077193a6e4e8961bbcf96478c300dc4c3e1dc18">VPX_IMG_FMT_YV12</a>,
    1895. 

  1895. <a name="l01869"></a>01869                               cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c" title="Width of the frame.">g_w</a>, cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e" title="Height of the frame.">g_h</a>, 1);
    1896. 

  1896. <a name="l01870"></a>01870 
    1897. 

  1897. <a name="l01871"></a>01871             init_rate_histogram(&amp;rate_hist, &amp;cfg, &amp;arg_framerate);
    1898. 

  1898. <a name="l01872"></a>01872         }
    1899. 

  1899. <a name="l01873"></a>01873 
    1900. 

  1900. <a name="l01874"></a>01874         outfile = strcmp(out_fn, <span class="stringliteral">&quot;-&quot;</span>) ? fopen(out_fn, <span class="stringliteral">&quot;wb&quot;</span>)
    1901. 

  1901. <a name="l01875"></a>01875                                       : set_binary_mode(stdout);
    1902. 

  1902. <a name="l01876"></a>01876 
    1903. 

  1903. <a name="l01877"></a>01877         <span class="keywordflow">if</span> (!outfile)
    1904. 

  1904. <a name="l01878"></a>01878         {
    1905. 

  1905. <a name="l01879"></a>01879             fprintf(stderr, <span class="stringliteral">&quot;Failed to open output file\n&quot;</span>);
    1906. 

  1906. <a name="l01880"></a>01880             <span class="keywordflow">return</span> EXIT_FAILURE;
    1907. 

  1907. <a name="l01881"></a>01881         }
    1908. 

  1908. <a name="l01882"></a>01882 
    1909. 

  1909. <a name="l01883"></a>01883         <span class="keywordflow">if</span>(write_webm &amp;&amp; fseek(outfile, 0, SEEK_CUR))
    1910. 

  1910. <a name="l01884"></a>01884         {
    1911. 

  1911. <a name="l01885"></a>01885             fprintf(stderr, <span class="stringliteral">&quot;WebM output to pipes not supported.\n&quot;</span>);
    1912. 

  1912. <a name="l01886"></a>01886             <span class="keywordflow">return</span> EXIT_FAILURE;
    1913. 

  1913. <a name="l01887"></a>01887         }
    1914. 

  1914. <a name="l01888"></a>01888 
    1915. 

  1915. <a name="l01889"></a>01889         <span class="keywordflow">if</span> (stats_fn)
    1916. 

  1916. <a name="l01890"></a>01890         {
    1917. 

  1917. <a name="l01891"></a>01891             <span class="keywordflow">if</span> (!stats_open_file(&amp;stats, stats_fn, pass))
    1918. 

  1918. <a name="l01892"></a>01892             {
    1919. 

  1919. <a name="l01893"></a>01893                 fprintf(stderr, <span class="stringliteral">&quot;Failed to open statistics store\n&quot;</span>);
    1920. 

  1920. <a name="l01894"></a>01894                 <span class="keywordflow">return</span> EXIT_FAILURE;
    1921. 

  1921. <a name="l01895"></a>01895             }
    1922. 

  1922. <a name="l01896"></a>01896         }
    1923. 

  1923. <a name="l01897"></a>01897         <span class="keywordflow">else</span>
    1924. 

  1924. <a name="l01898"></a>01898         {
    1925. 

  1925. <a name="l01899"></a>01899             <span class="keywordflow">if</span> (!stats_open_mem(&amp;stats, pass))
    1926. 

  1926. <a name="l01900"></a>01900             {
    1927. 

  1927. <a name="l01901"></a>01901                 fprintf(stderr, <span class="stringliteral">&quot;Failed to open statistics store\n&quot;</span>);
    1928. 

  1928. <a name="l01902"></a>01902                 <span class="keywordflow">return</span> EXIT_FAILURE;
    1929. 

  1929. <a name="l01903"></a>01903             }
    1930. 

  1930. <a name="l01904"></a>01904         }
    1931. 

  1931. <a name="l01905"></a>01905 
    1932. 

  1932. <a name="l01906"></a>01906         cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a70d62d87aae7d1168746577f14a6dccf" title="Multi-pass Encoding Mode.">g_pass</a> = arg_passes == 2
    1933. 

  1933. <a name="l01907"></a>01907                      ? pass ? <a class="code" href="group__encoder.html#gga476c5417f9c15a1dc5d3f68fa44c493fa65da543b956d6a9b1f301ab8cc90d3a7">VPX_RC_LAST_PASS</a> : <a class="code" href="group__encoder.html#gga476c5417f9c15a1dc5d3f68fa44c493faa0765945345b160905f3b762986dae3b">VPX_RC_FIRST_PASS</a>
    1934. 

  1934. <a name="l01908"></a>01908                  : <a class="code" href="group__encoder.html#gga476c5417f9c15a1dc5d3f68fa44c493fa7b6943a41868e8e26a77e9500f139ca1">VPX_RC_ONE_PASS</a>;
    1935. 

  1935. <a name="l01909"></a>01909 <span class="preprocessor">#if VPX_ENCODER_ABI_VERSION &gt; (1 + VPX_CODEC_ABI_VERSION)</span>
    1936. 

  1936. <a name="l01910"></a>01910 <span class="preprocessor"></span>
    1937. 

  1937. <a name="l01911"></a>01911         <span class="keywordflow">if</span> (pass)
    1938. 

  1938. <a name="l01912"></a>01912         {
    1939. 

  1939. <a name="l01913"></a>01913             cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a618616a07d9d8883c544731957b56f3c" title="Two-pass stats buffer.">rc_twopass_stats_in</a> = stats_get(&amp;stats);
    1940. 

  1940. <a name="l01914"></a>01914         }
    1941. 

  1941. <a name="l01915"></a>01915 
    1942. 

  1942. <a name="l01916"></a>01916 <span class="preprocessor">#endif</span>
    1943. 

  1943. <a name="l01917"></a>01917 <span class="preprocessor"></span>
    1944. 

  1944. <a name="l01918"></a>01918         <span class="keywordflow">if</span>(write_webm)
    1945. 

  1945. <a name="l01919"></a>01919         {
    1946. 

  1946. <a name="l01920"></a>01920             ebml.stream = outfile;
    1947. 

  1947. <a name="l01921"></a>01921             write_webm_file_header(&amp;ebml, &amp;cfg, &amp;arg_framerate, stereo_fmt);
    1948. 

  1948. <a name="l01922"></a>01922         }
    1949. 

  1949. <a name="l01923"></a>01923         <span class="keywordflow">else</span>
    1950. 

  1950. <a name="l01924"></a>01924             write_ivf_file_header(outfile, &amp;cfg, codec-&gt;fourcc, 0);
    1951. 

  1951. <a name="l01925"></a>01925 
    1952. 

  1952. <a name="l01926"></a>01926 
    1953. 

  1953. <a name="l01927"></a>01927         <span class="comment">/* Construct Encoder Context */</span>
    1954. 

  1954. <a name="l01928"></a>01928         <a class="code" href="group__encoder.html#ga3d490a2a9a6acd7c9ef82a603155f3cf" title="Convenience macro for vpx_codec_enc_init_ver().">vpx_codec_enc_init</a>(&amp;encoder, codec-&gt;iface, &amp;cfg,
    1955. 

  1955. <a name="l01929"></a>01929                            show_psnr ? <a class="code" href="group__encoder.html#ga57bb9eb1881c7e4bf86580660a5e40a0" title="Initialization-time Feature Enabling.">VPX_CODEC_USE_PSNR</a> : 0);
    1956. 

  1956. <a name="l01930"></a>01930         ctx_exit_on_error(&amp;encoder, <span class="stringliteral">&quot;Failed to initialize encoder&quot;</span>);
    1957. 

  1957. <a name="l01931"></a>01931 
    1958. 

  1958. <a name="l01932"></a>01932         <span class="comment">/* Note that we bypass the vpx_codec_control wrapper macro because</span>
    1959. 

  1959. <a name="l01933"></a>01933 <span class="comment">         * we&apos;re being clever to store the control IDs in an array. Real</span>
    1960. 

  1960. <a name="l01934"></a>01934 <span class="comment">         * applications will want to make use of the enumerations directly</span>
    1961. 

  1961. <a name="l01935"></a>01935 <span class="comment">         */</span>
    1962. 

  1962. <a name="l01936"></a>01936         <span class="keywordflow">for</span> (i = 0; i &lt; arg_ctrl_cnt; i++)
    1963. 

  1963. <a name="l01937"></a>01937         {
    1964. 

  1964. <a name="l01938"></a>01938             <span class="keywordflow">if</span> (<a class="code" href="group__codec.html#gaf7849b69cc390b21d889c8c71f69ec14" title="Control algorithm.">vpx_codec_control_</a>(&amp;encoder, arg_ctrls[i][0], arg_ctrls[i][1]))
    1965. 

  1965. <a name="l01939"></a>01939                 fprintf(stderr, <span class="stringliteral">&quot;Error: Tried to set control %d = %d\n&quot;</span>,
    1966. 

  1966. <a name="l01940"></a>01940                         arg_ctrls[i][0], arg_ctrls[i][1]);
    1967. 

  1967. <a name="l01941"></a>01941 
    1968. 

  1968. <a name="l01942"></a>01942             ctx_exit_on_error(&amp;encoder, <span class="stringliteral">&quot;Failed to control codec&quot;</span>);
    1969. 

  1969. <a name="l01943"></a>01943         }
    1970. 

  1970. <a name="l01944"></a>01944 
    1971. 

  1971. <a name="l01945"></a>01945         frame_avail = 1;
    1972. 

  1972. <a name="l01946"></a>01946         got_data = 0;
    1973. 

  1973. <a name="l01947"></a>01947 
    1974. 

  1974. <a name="l01948"></a>01948         <span class="keywordflow">while</span> (frame_avail || got_data)
    1975. 

  1975. <a name="l01949"></a>01949         {
    1976. 

  1976. <a name="l01950"></a>01950             <a class="code" href="group__codec.html#ga6ea348f76b1f8a1fe50e14db684146c6" title="Iterator.">vpx_codec_iter_t</a> iter = NULL;
    1977. 

  1977. <a name="l01951"></a>01951             <span class="keyword">const</span> <a class="code" href="structvpx__codec__cx__pkt.html" title="Encoder output packet.">vpx_codec_cx_pkt_t</a> *pkt;
    1978. 

  1978. <a name="l01952"></a>01952             <span class="keyword">struct </span>vpx_usec_timer timer;
    1979. 

  1979. <a name="l01953"></a>01953             int64_t frame_start, next_frame_start;
    1980. 

  1980. <a name="l01954"></a>01954 
    1981. 

  1981. <a name="l01955"></a>01955             <span class="keywordflow">if</span> (!arg_limit || frames_in &lt; arg_limit)
    1982. 

  1982. <a name="l01956"></a>01956             {
    1983. 

  1983. <a name="l01957"></a>01957                 frame_avail = read_frame(infile, &amp;raw, file_type, &amp;y4m,
    1984. 

  1984. <a name="l01958"></a>01958                                          &amp;detect);
    1985. 

  1985. <a name="l01959"></a>01959 
    1986. 

  1986. <a name="l01960"></a>01960                 <span class="keywordflow">if</span> (frame_avail)
    1987. 

  1987. <a name="l01961"></a>01961                     frames_in++;
    1988. 

  1988. <a name="l01962"></a>01962 
    1989. 

  1989. <a name="l01963"></a>01963                 fprintf(stderr,
    1990. 

  1990. <a name="l01964"></a>01964                         <span class="stringliteral">&quot;\rPass %d/%d frame %4d/%-4d %7ldB \033[K&quot;</span>, pass + 1,
    1991. 

  1991. <a name="l01965"></a>01965                         arg_passes, frames_in, frames_out, nbytes);
    1992. 

  1992. <a name="l01966"></a>01966             }
    1993. 

  1993. <a name="l01967"></a>01967             <span class="keywordflow">else</span>
    1994. 

  1994. <a name="l01968"></a>01968                 frame_avail = 0;
    1995. 

  1995. <a name="l01969"></a>01969 
    1996. 

  1996. <a name="l01970"></a>01970             vpx_usec_timer_start(&amp;timer);
    1997. 

  1997. <a name="l01971"></a>01971 
    1998. 

  1998. <a name="l01972"></a>01972             frame_start = (cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087" title="Stream timebase units.">g_timebase</a>.<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a> * (int64_t)(frames_in - 1)
    1999. 

  1999. <a name="l01973"></a>01973                           * arg_framerate.<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a>) / cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087" title="Stream timebase units.">g_timebase</a>.<a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a> / arg_framerate.<a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a>;
    2000. 

  2000. <a name="l01974"></a>01974             next_frame_start = (cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087" title="Stream timebase units.">g_timebase</a>.<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a> * (int64_t)(frames_in)
    2001. 

  2001. <a name="l01975"></a>01975                                 * arg_framerate.<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a>)
    2002. 

  2002. <a name="l01976"></a>01976                                 / cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087" title="Stream timebase units.">g_timebase</a>.<a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a> / arg_framerate.<a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a>;
    2003. 

  2003. <a name="l01977"></a>01977             <a class="code" href="group__encoder.html#gaf990542e2aeb389f05fae3e9c7803639" title="Encode a frame.">vpx_codec_encode</a>(&amp;encoder, frame_avail ? &amp;raw : NULL, frame_start,
    2004. 

  2004. <a name="l01978"></a>01978                              next_frame_start - frame_start,
    2005. 

  2005. <a name="l01979"></a>01979                              0, arg_deadline);
    2006. 

  2006. <a name="l01980"></a>01980             vpx_usec_timer_mark(&amp;timer);
    2007. 

  2007. <a name="l01981"></a>01981             cx_time += vpx_usec_timer_elapsed(&amp;timer);
    2008. 

  2008. <a name="l01982"></a>01982             ctx_exit_on_error(&amp;encoder, <span class="stringliteral">&quot;Failed to encode frame&quot;</span>);
    2009. 

  2009. <a name="l01983"></a>01983 
    2010. 

  2010. <a name="l01984"></a>01984             <span class="keywordflow">if</span>(cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a70d62d87aae7d1168746577f14a6dccf" title="Multi-pass Encoding Mode.">g_pass</a> != <a class="code" href="group__encoder.html#gga476c5417f9c15a1dc5d3f68fa44c493faa0765945345b160905f3b762986dae3b">VPX_RC_FIRST_PASS</a>)
    2011. 

  2011. <a name="l01985"></a>01985             {
    2012. 

  2012. <a name="l01986"></a>01986                 <span class="keywordtype">int</span> q;
    2013. 

  2013. <a name="l01987"></a>01987 
    2014. 

  2014. <a name="l01988"></a>01988                 <a class="code" href="group__codec.html#gac1b91e04698c1bd4c0a2b8aa85b08cd2" title="vpx_codec_control wrapper macro">vpx_codec_control</a>(&amp;encoder, <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322ecad2cfc9712d2eab30b5a59a60d0daaade">VP8E_GET_LAST_QUANTIZER_64</a>, &amp;q);
    2015. 

  2015. <a name="l01989"></a>01989                 ctx_exit_on_error(&amp;encoder, <span class="stringliteral">&quot;Failed to read quantizer&quot;</span>);
    2016. 

  2016. <a name="l01990"></a>01990                 counts[q]++;
    2017. 

  2017. <a name="l01991"></a>01991             }
    2018. 

  2018. <a name="l01992"></a>01992 
    2019. 

  2019. <a name="l01993"></a>01993             got_data = 0;
    2020. 

  2020. <a name="l01994"></a>01994 
    2021. 

  2021. <a name="l01995"></a>01995             <span class="keywordflow">while</span> ((pkt = <a class="code" href="group__encoder.html#gae81cab25d66cf3bc59f1f75f8a5af720" title="Encoded data iterator.">vpx_codec_get_cx_data</a>(&amp;encoder, &amp;iter)))
    2022. 

  2022. <a name="l01996"></a>01996             {
    2023. 

  2023. <a name="l01997"></a>01997                 got_data = 1;
    2024. 

  2024. <a name="l01998"></a>01998 
    2025. 

  2025. <a name="l01999"></a>01999                 <span class="keywordflow">switch</span> (pkt-&gt;<a class="code" href="structvpx__codec__cx__pkt.html#a41f395b39516343c1329a4a85a0084f2">kind</a>)
    2026. 

  2026. <a name="l02000"></a>02000                 {
    2027. 

  2027. <a name="l02001"></a>02001                 <span class="keywordflow">case</span> <a class="code" href="group__encoder.html#gga28a79375279536526552af3a83d2ed72a2261aae5594289400e812fb1e6b6b0cc">VPX_CODEC_CX_FRAME_PKT</a>:
    2028. 

  2028. <a name="l02002"></a>02002                     frames_out++;
    2029. 

  2029. <a name="l02003"></a>02003                     fprintf(stderr, <span class="stringliteral">&quot; %6luF&quot;</span>,
    2030. 

  2030. <a name="l02004"></a>02004                             (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)pkt-&gt;<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);
    2031. 

  2031. <a name="l02005"></a>02005 
    2032. 

  2032. <a name="l02006"></a>02006                     update_rate_histogram(&amp;rate_hist, &amp;cfg, pkt);
    2033. 

  2033. <a name="l02007"></a>02007                     <span class="keywordflow">if</span>(write_webm)
    2034. 

  2034. <a name="l02008"></a>02008                     {
    2035. 

  2035. <a name="l02009"></a>02009                         <span class="comment">/* Update the hash */</span>
    2036. 

  2036. <a name="l02010"></a>02010                         <span class="keywordflow">if</span>(!ebml.debug)
    2037. 

  2037. <a name="l02011"></a>02011                             hash = murmur(pkt-&gt;<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,
    2038. 

  2038. <a name="l02012"></a>02012                                           pkt-&gt;<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, hash);
    2039. 

  2039. <a name="l02013"></a>02013 
    2040. 

  2040. <a name="l02014"></a>02014                         write_webm_block(&amp;ebml, &amp;cfg, pkt);
    2041. 

  2041. <a name="l02015"></a>02015                     }
    2042. 

  2042. <a name="l02016"></a>02016                     <span class="keywordflow">else</span>
    2043. 

  2043. <a name="l02017"></a>02017                     {
    2044. 

  2044. <a name="l02018"></a>02018                         write_ivf_frame_header(outfile, pkt);
    2045. 

  2045. <a name="l02019"></a>02019                         <span class="keywordflow">if</span>(fwrite(pkt-&gt;<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, 1,
    2046. 

  2046. <a name="l02020"></a>02020                                   pkt-&gt;<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, outfile));
    2047. 

  2047. <a name="l02021"></a>02021                     }
    2048. 

  2048. <a name="l02022"></a>02022                     nbytes += pkt-&gt;<a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#acc7ee91ea9c907aea7c3b953324f7c26">raw</a>.<a class="code" href="structvpx__fixed__buf.html#a43d7f8247ed9752f65f0a7639817ae84">sz</a>;
    2049. 

  2049. <a name="l02023"></a>02023                     <span class="keywordflow">break</span>;
    2050. 

  2050. <a name="l02024"></a>02024                 <span class="keywordflow">case</span> <a class="code" href="group__encoder.html#gga28a79375279536526552af3a83d2ed72a77cd8b95d9891bcce36117f5f31994fd">VPX_CODEC_STATS_PKT</a>:
    2051. 

  2051. <a name="l02025"></a>02025                     frames_out++;
    2052. 

  2052. <a name="l02026"></a>02026                     fprintf(stderr, <span class="stringliteral">&quot; %6luS&quot;</span>,
    2053. 

  2053. <a name="l02027"></a>02027                            (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)pkt-&gt;<a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a53db8576979fa7335e478eb849b256f1">twopass_stats</a>.<a class="code" href="structvpx__fixed__buf.html#a43d7f8247ed9752f65f0a7639817ae84">sz</a>);
    2054. 

  2054. <a name="l02028"></a>02028                     stats_write(&amp;stats,
    2055. 

  2055. <a name="l02029"></a>02029                                 pkt-&gt;<a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a53db8576979fa7335e478eb849b256f1">twopass_stats</a>.<a class="code" href="structvpx__fixed__buf.html#ac93e43ae3fcc1023dca86d37016ae3f0">buf</a>,
    2056. 

  2056. <a name="l02030"></a>02030                                 pkt-&gt;<a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a53db8576979fa7335e478eb849b256f1">twopass_stats</a>.<a class="code" href="structvpx__fixed__buf.html#a43d7f8247ed9752f65f0a7639817ae84">sz</a>);
    2057. 

  2057. <a name="l02031"></a>02031                     nbytes += pkt-&gt;<a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#acc7ee91ea9c907aea7c3b953324f7c26">raw</a>.<a class="code" href="structvpx__fixed__buf.html#a43d7f8247ed9752f65f0a7639817ae84">sz</a>;
    2058. 

  2058. <a name="l02032"></a>02032                     <span class="keywordflow">break</span>;
    2059. 

  2059. <a name="l02033"></a>02033                 <span class="keywordflow">case</span> <a class="code" href="group__encoder.html#gga28a79375279536526552af3a83d2ed72a11eefa1328e6d22eb7c844645a260628">VPX_CODEC_PSNR_PKT</a>:
    2060. 

  2060. <a name="l02034"></a>02034 
    2061. 

  2061. <a name="l02035"></a>02035                     <span class="keywordflow">if</span> (show_psnr)
    2062. 

  2062. <a name="l02036"></a>02036                     {
    2063. 

  2063. <a name="l02037"></a>02037                         <span class="keywordtype">int</span> i;
    2064. 

  2064. <a name="l02038"></a>02038 
    2065. 

  2065. <a name="l02039"></a>02039                         psnr_sse_total += pkt-&gt;<a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a63744aeceb50355d6402d55309c151b6">psnr</a>.sse[0];
    2066. 

  2066. <a name="l02040"></a>02040                         psnr_samples_total += pkt-&gt;<a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a63744aeceb50355d6402d55309c151b6">psnr</a>.samples[0];
    2067. 

  2067. <a name="l02041"></a>02041                         <span class="keywordflow">for</span> (i = 0; i &lt; 4; i++)
    2068. 

  2068. <a name="l02042"></a>02042                         {
    2069. 

  2069. <a name="l02043"></a>02043                             fprintf(stderr, <span class="stringliteral">&quot;%.3lf &quot;</span>, pkt-&gt;<a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a63744aeceb50355d6402d55309c151b6">psnr</a>.psnr[i]);
    2070. 

  2070. <a name="l02044"></a>02044                             psnr_totals[i] += pkt-&gt;<a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a63744aeceb50355d6402d55309c151b6">psnr</a>.psnr[i];
    2071. 

  2071. <a name="l02045"></a>02045                         }
    2072. 

  2072. <a name="l02046"></a>02046                         psnr_count++;
    2073. 

  2073. <a name="l02047"></a>02047                     }
    2074. 

  2074. <a name="l02048"></a>02048 
    2075. 

  2075. <a name="l02049"></a>02049                     <span class="keywordflow">break</span>;
    2076. 

  2076. <a name="l02050"></a>02050                 <span class="keywordflow">default</span>:
    2077. 

  2077. <a name="l02051"></a>02051                     <span class="keywordflow">break</span>;
    2078. 

  2078. <a name="l02052"></a>02052                 }
    2079. 

  2079. <a name="l02053"></a>02053             }
    2080. 

  2080. <a name="l02054"></a>02054 
    2081. 

  2081. <a name="l02055"></a>02055             fflush(stdout);
    2082. 

  2082. <a name="l02056"></a>02056         }
    2083. 

  2083. <a name="l02057"></a>02057 
    2084. 

  2084. <a name="l02058"></a>02058         fprintf(stderr,
    2085. 

  2085. <a name="l02059"></a>02059                <span class="stringliteral">&quot;\rPass %d/%d frame %4d/%-4d %7ldB %7ldb/f %7&quot;</span>PRId64<span class="stringliteral">&quot;b/s&quot;</span>
    2086. 

  2086. <a name="l02060"></a>02060                <span class="stringliteral">&quot; %7lu %s (%.2f fps)\033[K&quot;</span>, pass + 1,
    2087. 

  2087. <a name="l02061"></a>02061                arg_passes, frames_in, frames_out, nbytes, nbytes * 8 / frames_in,
    2088. 

  2088. <a name="l02062"></a>02062                nbytes * 8 *(int64_t)arg_framerate.<a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a> / arg_framerate.<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a> / frames_in,
    2089. 

  2089. <a name="l02063"></a>02063                cx_time &gt; 9999999 ? cx_time / 1000 : cx_time,
    2090. 

  2090. <a name="l02064"></a>02064                cx_time &gt; 9999999 ? <span class="stringliteral">&quot;ms&quot;</span> : <span class="stringliteral">&quot;us&quot;</span>,
    2091. 

  2091. <a name="l02065"></a>02065                (<span class="keywordtype">float</span>)frames_in * 1000000.0 / (<span class="keywordtype">float</span>)cx_time);
    2092. 

  2092. <a name="l02066"></a>02066 
    2093. 

  2093. <a name="l02067"></a>02067         <span class="keywordflow">if</span> ( (show_psnr) &amp;&amp; (psnr_count&gt;0) )
    2094. 

  2094. <a name="l02068"></a>02068         {
    2095. 

  2095. <a name="l02069"></a>02069             <span class="keywordtype">int</span> i;
    2096. 

  2096. <a name="l02070"></a>02070             <span class="keywordtype">double</span> ovpsnr = vp8_mse2psnr(psnr_samples_total, 255.0,
    2097. 

  2097. <a name="l02071"></a>02071                                          psnr_sse_total);
    2098. 

  2098. <a name="l02072"></a>02072 
    2099. 

  2099. <a name="l02073"></a>02073             fprintf(stderr, <span class="stringliteral">&quot;\nPSNR (Overall/Avg/Y/U/V)&quot;</span>);
    2100. 

  2100. <a name="l02074"></a>02074 
    2101. 

  2101. <a name="l02075"></a>02075             fprintf(stderr, <span class="stringliteral">&quot; %.3lf&quot;</span>, ovpsnr);
    2102. 

  2102. <a name="l02076"></a>02076             <span class="keywordflow">for</span> (i = 0; i &lt; 4; i++)
    2103. 

  2103. <a name="l02077"></a>02077             {
    2104. 

  2104. <a name="l02078"></a>02078                 fprintf(stderr, <span class="stringliteral">&quot; %.3lf&quot;</span>, psnr_totals[i]/psnr_count);
    2105. 

  2105. <a name="l02079"></a>02079             }
    2106. 

  2106. <a name="l02080"></a>02080         }
    2107. 

  2107. <a name="l02081"></a>02081 
    2108. 

  2108. <a name="l02082"></a>02082         <a class="code" href="group__codec.html#ga6ae21d96909660d0ac978b59a863f53b" title="Destroy a codec instance.">vpx_codec_destroy</a>(&amp;encoder);
    2109. 

  2109. <a name="l02083"></a>02083 
    2110. 

  2110. <a name="l02084"></a>02084         fclose(infile);
    2111. 

  2111. <a name="l02085"></a>02085         <span class="keywordflow">if</span> (file_type == FILE_TYPE_Y4M)
    2112. 

  2112. <a name="l02086"></a>02086             y4m_input_close(&amp;y4m);
    2113. 

  2113. <a name="l02087"></a>02087 
    2114. 

  2114. <a name="l02088"></a>02088         <span class="keywordflow">if</span>(write_webm)
    2115. 

  2115. <a name="l02089"></a>02089         {
    2116. 

  2116. <a name="l02090"></a>02090             write_webm_file_footer(&amp;ebml, hash);
    2117. 

  2117. <a name="l02091"></a>02091             free(ebml.cue_list);
    2118. 

  2118. <a name="l02092"></a>02092             ebml.cue_list = NULL;
    2119. 

  2119. <a name="l02093"></a>02093         }
    2120. 

  2120. <a name="l02094"></a>02094         <span class="keywordflow">else</span>
    2121. 

  2121. <a name="l02095"></a>02095         {
    2122. 

  2122. <a name="l02096"></a>02096             <span class="keywordflow">if</span> (!fseek(outfile, 0, SEEK_SET))
    2123. 

  2123. <a name="l02097"></a>02097                 write_ivf_file_header(outfile, &amp;cfg, codec-&gt;fourcc, frames_out);
    2124. 

  2124. <a name="l02098"></a>02098         }
    2125. 

  2125. <a name="l02099"></a>02099 
    2126. 

  2126. <a name="l02100"></a>02100         fclose(outfile);
    2127. 

  2127. <a name="l02101"></a>02101         stats_close(&amp;stats, arg_passes-1);
    2128. 

  2128. <a name="l02102"></a>02102         fprintf(stderr, <span class="stringliteral">&quot;\n&quot;</span>);
    2129. 

  2129. <a name="l02103"></a>02103 
    2130. 

  2130. <a name="l02104"></a>02104         <span class="keywordflow">if</span> (one_pass_only)
    2131. 

  2131. <a name="l02105"></a>02105             <span class="keywordflow">break</span>;
    2132. 

  2132. <a name="l02106"></a>02106     }
    2133. 

  2133. <a name="l02107"></a>02107 
    2134. 

  2134. <a name="l02108"></a>02108     <span class="keywordflow">if</span> (show_q_hist_buckets)
    2135. 

  2135. <a name="l02109"></a>02109         show_q_histogram(counts, show_q_hist_buckets);
    2136. 

  2136. <a name="l02110"></a>02110 
    2137. 

  2137. <a name="l02111"></a>02111     <span class="keywordflow">if</span> (show_rate_hist_buckets)
    2138. 

  2138. <a name="l02112"></a>02112         show_rate_histogram(&amp;rate_hist, &amp;cfg, show_rate_hist_buckets);
    2139. 

  2139. <a name="l02113"></a>02113     destroy_rate_histogram(&amp;rate_hist);
    2140. 

  2140. <a name="l02114"></a>02114 
    2141. 

  2141. <a name="l02115"></a>02115     <a class="code" href="vpx__image_8h.html#af47ebaf286812d037425d41990d48a17" title="Close an image descriptor.">vpx_img_free</a>(&amp;raw);
    2142. 

  2142. <a name="l02116"></a>02116     free(argv);
    2143. 

  2143. <a name="l02117"></a>02117     <span class="keywordflow">return</span> EXIT_SUCCESS;
    2144. 

  2144. <a name="l02118"></a>02118 }
    2145. 

  2145. </pre></div> </div>
    2146. 

  2146. <hr size="1"/><address style="text-align: right;"><small>Generated on Mon Aug 15 17:27:50 2011 for WebM VP8 Codec SDK by&nbsp;
    2147. 

  2147. <a href="http://www.doxygen.org/index.html">
    2148. 

  2148. <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
    2149. 

  2149. </body>
    2150. 

  2150. </html>
    2151. 

  2151.