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<title>WebM VP8 Codec SDK: vpxenc</title>
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<div id="projectname">WebM VP8 Codec SDK</div>
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<div class="title">vpxenc </div> </div>
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<div class="textblock"><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (c) 2010 The WebM project authors. All Rights Reserved.</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * Use of this source code is governed by a BSD-style license</span>
<a name="l00005"></a>00005 <span class="comment"> * that can be found in the LICENSE file in the root of the source</span>
<a name="l00006"></a>00006 <span class="comment"> * tree. An additional intellectual property rights grant can be found</span>
<a name="l00007"></a>00007 <span class="comment"> * in the file PATENTS. All contributing project authors may</span>
<a name="l00008"></a>00008 <span class="comment"> * be found in the AUTHORS file in the root of the source tree.</span>
<a name="l00009"></a>00009 <span class="comment"> */</span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011
<a name="l00012"></a>00012 <span class="comment">/* This is a simple program that encodes YV12 files and generates ivf</span>
<a name="l00013"></a>00013 <span class="comment"> * files using the new interface.</span>
<a name="l00014"></a>00014 <span class="comment"> */</span>
<a name="l00015"></a>00015 <span class="preprocessor">#if defined(_WIN32) || !CONFIG_OS_SUPPORT</span>
<a name="l00016"></a>00016 <span class="preprocessor"></span><span class="preprocessor">#define USE_POSIX_MMAP 0</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define USE_POSIX_MMAP 1</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <stdio.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <stdarg.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <string.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <limits.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <assert.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="vpx__encoder_8h.html" title="Describes the encoder algorithm interface to applications.">vpx/vpx_encoder.h</a>"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#if USE_POSIX_MMAP</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#include <sys/types.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <sys/stat.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <sys/mman.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <fcntl.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <unistd.h></span>
<a name="l00034"></a>00034 <span class="preprocessor">#endif</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#include "<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>"</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include "vpx_ports/mem_ops.h"</span>
<a name="l00037"></a>00037 <span class="preprocessor">#include "vpx_ports/vpx_timer.h"</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include "tools_common.h"</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include "y4minput.h"</span>
<a name="l00040"></a>00040 <span class="preprocessor">#include "libmkv/EbmlWriter.h"</span>
<a name="l00041"></a>00041 <span class="preprocessor">#include "libmkv/EbmlIDs.h"</span>
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="comment">/* Need special handling of these functions on Windows */</span>
<a name="l00044"></a>00044 <span class="preprocessor">#if defined(_MSC_VER)</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span><span class="comment">/* MSVS doesn't define off_t, and uses _f{seek,tell}i64 */</span>
<a name="l00046"></a>00046 <span class="keyword">typedef</span> __int64 off_t;
<a name="l00047"></a>00047 <span class="preprocessor">#define fseeko _fseeki64</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span><span class="preprocessor">#define ftello _ftelli64</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span><span class="preprocessor">#elif defined(_WIN32)</span>
<a name="l00050"></a>00050 <span class="preprocessor"></span><span class="comment">/* MinGW defines off_t as long</span>
<a name="l00051"></a>00051 <span class="comment"> and uses f{seek,tell}o64/off64_t for large files */</span>
<a name="l00052"></a>00052 <span class="preprocessor">#define fseeko fseeko64</span>
<a name="l00053"></a>00053 <span class="preprocessor"></span><span class="preprocessor">#define ftello ftello64</span>
<a name="l00054"></a>00054 <span class="preprocessor"></span><span class="preprocessor">#define off_t off64_t</span>
<a name="l00055"></a>00055 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00056"></a>00056 <span class="preprocessor"></span>
<a name="l00057"></a>00057 <span class="preprocessor">#if defined(_MSC_VER)</span>
<a name="l00058"></a>00058 <span class="preprocessor"></span><span class="preprocessor">#define LITERALU64(n) n</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor">#define LITERALU64(n) n##LLU</span>
<a name="l00061"></a>00061 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span>
<a name="l00063"></a>00063 <span class="comment">/* We should use 32-bit file operations in WebM file format</span>
<a name="l00064"></a>00064 <span class="comment"> * when building ARM executable file (.axf) with RVCT */</span>
<a name="l00065"></a>00065 <span class="preprocessor">#if !CONFIG_OS_SUPPORT</span>
<a name="l00066"></a>00066 <span class="preprocessor"></span><span class="keyword">typedef</span> <span class="keywordtype">long</span> off_t;
<a name="l00067"></a>00067 <span class="preprocessor">#define fseeko fseek</span>
<a name="l00068"></a>00068 <span class="preprocessor"></span><span class="preprocessor">#define ftello ftell</span>
<a name="l00069"></a>00069 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00070"></a>00070 <span class="preprocessor"></span>
<a name="l00071"></a>00071 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *exec_name;
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">struct </span>codec_item
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075 <span class="keywordtype">char</span> <span class="keyword">const</span> *name;
<a name="l00076"></a>00076 <span class="keyword">const</span> <a class="code" href="group__codec.html#gad654f3da60151f5dfef70aca00ef1e9e" title="Codec interface structure.">vpx_codec_iface_t</a> *iface;
<a name="l00077"></a>00077 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fourcc;
<a name="l00078"></a>00078 } codecs[] =
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080 <span class="preprocessor">#if CONFIG_VP8_ENCODER</span>
<a name="l00081"></a>00081 <span class="preprocessor"></span> {<span class="stringliteral">"vp8"</span>, &vpx_codec_vp8_cx_algo, 0x30385056},
<a name="l00082"></a>00082 <span class="preprocessor">#endif</span>
<a name="l00083"></a>00083 <span class="preprocessor"></span>};
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="keyword">static</span> <span class="keywordtype">void</span> usage_exit();
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <span class="keywordtype">void</span> die(<span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, ...)
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 va_list ap;
<a name="l00090"></a>00090 va_start(ap, fmt);
<a name="l00091"></a>00091 vfprintf(stderr, fmt, ap);
<a name="l00092"></a>00092 fprintf(stderr, <span class="stringliteral">"\n"</span>);
<a name="l00093"></a>00093 usage_exit();
<a name="l00094"></a>00094 }
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <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)
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 <span class="keywordflow">if</span> (ctx-><a class="code" href="structvpx__codec__ctx.html#a6f448802b0675013fd8c5179675c30de">err</a>)
<a name="l00099"></a>00099 {
<a name="l00100"></a>00100 <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);
<a name="l00101"></a>00101
<a name="l00102"></a>00102 fprintf(stderr, <span class="stringliteral">"%s: %s\n"</span>, s, <a class="code" href="group__codec.html#ga4d265df00d42b36a4f0e3eb83fc22c5e" title="Retrieve error synopsis for codec context.">vpx_codec_error</a>(ctx));
<a name="l00103"></a>00103
<a name="l00104"></a>00104 <span class="keywordflow">if</span> (detail)
<a name="l00105"></a>00105 fprintf(stderr, <span class="stringliteral">" %s\n"</span>, detail);
<a name="l00106"></a>00106
<a name="l00107"></a>00107 exit(EXIT_FAILURE);
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="comment">/* This structure is used to abstract the different ways of handling</span>
<a name="l00112"></a>00112 <span class="comment"> * first pass statistics.</span>
<a name="l00113"></a>00113 <span class="comment"> */</span>
<a name="l00114"></a>00114 <span class="keyword">typedef</span> <span class="keyword">struct</span>
<a name="l00115"></a>00115 {
<a name="l00116"></a>00116 <a class="code" href="structvpx__fixed__buf.html" title="Generic fixed size buffer structure.">vpx_fixed_buf_t</a> buf;
<a name="l00117"></a>00117 <span class="keywordtype">int</span> pass;
<a name="l00118"></a>00118 FILE *file;
<a name="l00119"></a>00119 <span class="keywordtype">char</span> *buf_ptr;
<a name="l00120"></a>00120 <span class="keywordtype">size_t</span> buf_alloc_sz;
<a name="l00121"></a>00121 } stats_io_t;
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <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)
<a name="l00124"></a>00124 {
<a name="l00125"></a>00125 <span class="keywordtype">int</span> res;
<a name="l00126"></a>00126
<a name="l00127"></a>00127 stats->pass = pass;
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="keywordflow">if</span> (pass == 0)
<a name="l00130"></a>00130 {
<a name="l00131"></a>00131 stats->file = fopen(fpf, <span class="stringliteral">"wb"</span>);
<a name="l00132"></a>00132 stats->buf.sz = 0;
<a name="l00133"></a>00133 stats->buf.buf = NULL,
<a name="l00134"></a>00134 res = (stats->file != NULL);
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136 <span class="keywordflow">else</span>
<a name="l00137"></a>00137 {
<a name="l00138"></a>00138 <span class="preprocessor">#if 0</span>
<a name="l00139"></a>00139 <span class="preprocessor"></span><span class="preprocessor">#elif USE_POSIX_MMAP</span>
<a name="l00140"></a>00140 <span class="preprocessor"></span> <span class="keyword">struct </span>stat stat_buf;
<a name="l00141"></a>00141 <span class="keywordtype">int</span> fd;
<a name="l00142"></a>00142
<a name="l00143"></a>00143 fd = open(fpf, O_RDONLY);
<a name="l00144"></a>00144 stats->file = fdopen(fd, <span class="stringliteral">"rb"</span>);
<a name="l00145"></a>00145 fstat(fd, &stat_buf);
<a name="l00146"></a>00146 stats->buf.sz = stat_buf.st_size;
<a name="l00147"></a>00147 stats->buf.buf = mmap(NULL, stats->buf.sz, PROT_READ, MAP_PRIVATE,
<a name="l00148"></a>00148 fd, 0);
<a name="l00149"></a>00149 res = (stats->buf.buf != NULL);
<a name="l00150"></a>00150 <span class="preprocessor">#else</span>
<a name="l00151"></a>00151 <span class="preprocessor"></span> <span class="keywordtype">size_t</span> nbytes;
<a name="l00152"></a>00152
<a name="l00153"></a>00153 stats->file = fopen(fpf, <span class="stringliteral">"rb"</span>);
<a name="l00154"></a>00154
<a name="l00155"></a>00155 <span class="keywordflow">if</span> (fseek(stats->file, 0, SEEK_END))
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 fprintf(stderr, <span class="stringliteral">"First-pass stats file must be seekable!\n"</span>);
<a name="l00158"></a>00158 exit(EXIT_FAILURE);
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160
<a name="l00161"></a>00161 stats->buf.sz = stats->buf_alloc_sz = ftell(stats->file);
<a name="l00162"></a>00162 rewind(stats->file);
<a name="l00163"></a>00163
<a name="l00164"></a>00164 stats->buf.buf = malloc(stats->buf_alloc_sz);
<a name="l00165"></a>00165
<a name="l00166"></a>00166 <span class="keywordflow">if</span> (!stats->buf.buf)
<a name="l00167"></a>00167 {
<a name="l00168"></a>00168 fprintf(stderr, <span class="stringliteral">"Failed to allocate first-pass stats buffer (%lu bytes)\n"</span>,
<a name="l00169"></a>00169 (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)stats->buf_alloc_sz);
<a name="l00170"></a>00170 exit(EXIT_FAILURE);
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172
<a name="l00173"></a>00173 nbytes = fread(stats->buf.buf, 1, stats->buf.sz, stats->file);
<a name="l00174"></a>00174 res = (nbytes == stats->buf.sz);
<a name="l00175"></a>00175 <span class="preprocessor">#endif</span>
<a name="l00176"></a>00176 <span class="preprocessor"></span> }
<a name="l00177"></a>00177
<a name="l00178"></a>00178 <span class="keywordflow">return</span> res;
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180
<a name="l00181"></a>00181 <span class="keywordtype">int</span> stats_open_mem(stats_io_t *stats, <span class="keywordtype">int</span> pass)
<a name="l00182"></a>00182 {
<a name="l00183"></a>00183 <span class="keywordtype">int</span> res;
<a name="l00184"></a>00184 stats->pass = pass;
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <span class="keywordflow">if</span> (!pass)
<a name="l00187"></a>00187 {
<a name="l00188"></a>00188 stats->buf.sz = 0;
<a name="l00189"></a>00189 stats->buf_alloc_sz = 64 * 1024;
<a name="l00190"></a>00190 stats->buf.buf = malloc(stats->buf_alloc_sz);
<a name="l00191"></a>00191 }
<a name="l00192"></a>00192
<a name="l00193"></a>00193 stats->buf_ptr = stats->buf.buf;
<a name="l00194"></a>00194 res = (stats->buf.buf != NULL);
<a name="l00195"></a>00195 <span class="keywordflow">return</span> res;
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="keywordtype">void</span> stats_close(stats_io_t *stats, <span class="keywordtype">int</span> last_pass)
<a name="l00200"></a>00200 {
<a name="l00201"></a>00201 <span class="keywordflow">if</span> (stats->file)
<a name="l00202"></a>00202 {
<a name="l00203"></a>00203 <span class="keywordflow">if</span> (stats->pass == last_pass)
<a name="l00204"></a>00204 {
<a name="l00205"></a>00205 <span class="preprocessor">#if 0</span>
<a name="l00206"></a>00206 <span class="preprocessor"></span><span class="preprocessor">#elif USE_POSIX_MMAP</span>
<a name="l00207"></a>00207 <span class="preprocessor"></span> munmap(stats->buf.buf, stats->buf.sz);
<a name="l00208"></a>00208 <span class="preprocessor">#else</span>
<a name="l00209"></a>00209 <span class="preprocessor"></span> free(stats->buf.buf);
<a name="l00210"></a>00210 <span class="preprocessor">#endif</span>
<a name="l00211"></a>00211 <span class="preprocessor"></span> }
<a name="l00212"></a>00212
<a name="l00213"></a>00213 fclose(stats->file);
<a name="l00214"></a>00214 stats->file = NULL;
<a name="l00215"></a>00215 }
<a name="l00216"></a>00216 <span class="keywordflow">else</span>
<a name="l00217"></a>00217 {
<a name="l00218"></a>00218 <span class="keywordflow">if</span> (stats->pass == last_pass)
<a name="l00219"></a>00219 free(stats->buf.buf);
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221 }
<a name="l00222"></a>00222
<a name="l00223"></a>00223 <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)
<a name="l00224"></a>00224 {
<a name="l00225"></a>00225 <span class="keywordflow">if</span> (stats->file)
<a name="l00226"></a>00226 {
<a name="l00227"></a>00227 <span class="keywordflow">if</span>(fwrite(pkt, 1, len, stats->file));
<a name="l00228"></a>00228 }
<a name="l00229"></a>00229 <span class="keywordflow">else</span>
<a name="l00230"></a>00230 {
<a name="l00231"></a>00231 <span class="keywordflow">if</span> (stats->buf.sz + len > stats->buf_alloc_sz)
<a name="l00232"></a>00232 {
<a name="l00233"></a>00233 <span class="keywordtype">size_t</span> new_sz = stats->buf_alloc_sz + 64 * 1024;
<a name="l00234"></a>00234 <span class="keywordtype">char</span> *new_ptr = realloc(stats->buf.buf, new_sz);
<a name="l00235"></a>00235
<a name="l00236"></a>00236 <span class="keywordflow">if</span> (new_ptr)
<a name="l00237"></a>00237 {
<a name="l00238"></a>00238 stats->buf_ptr = new_ptr + (stats->buf_ptr - (<span class="keywordtype">char</span> *)stats->buf.buf);
<a name="l00239"></a>00239 stats->buf.buf = new_ptr;
<a name="l00240"></a>00240 stats->buf_alloc_sz = new_sz;
<a name="l00241"></a>00241 }
<a name="l00242"></a>00242 <span class="keywordflow">else</span>
<a name="l00243"></a>00243 {
<a name="l00244"></a>00244 fprintf(stderr,
<a name="l00245"></a>00245 <span class="stringliteral">"\nFailed to realloc firstpass stats buffer.\n"</span>);
<a name="l00246"></a>00246 exit(EXIT_FAILURE);
<a name="l00247"></a>00247 }
<a name="l00248"></a>00248 }
<a name="l00249"></a>00249
<a name="l00250"></a>00250 memcpy(stats->buf_ptr, pkt, len);
<a name="l00251"></a>00251 stats->buf.sz += len;
<a name="l00252"></a>00252 stats->buf_ptr += len;
<a name="l00253"></a>00253 }
<a name="l00254"></a>00254 }
<a name="l00255"></a>00255
<a name="l00256"></a>00256 <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)
<a name="l00257"></a>00257 {
<a name="l00258"></a>00258 <span class="keywordflow">return</span> stats-><a class="code" href="structvpx__fixed__buf.html#ac93e43ae3fcc1023dca86d37016ae3f0">buf</a>;
<a name="l00259"></a>00259 }
<a name="l00260"></a>00260
<a name="l00261"></a>00261 <span class="comment">/* Stereo 3D packed frame format */</span>
<a name="l00262"></a>00262 <span class="keyword">typedef</span> <span class="keyword">enum</span> stereo_format
<a name="l00263"></a>00263 {
<a name="l00264"></a>00264 STEREO_FORMAT_MONO = 0,
<a name="l00265"></a>00265 STEREO_FORMAT_LEFT_RIGHT = 1,
<a name="l00266"></a>00266 STEREO_FORMAT_BOTTOM_TOP = 2,
<a name="l00267"></a>00267 STEREO_FORMAT_TOP_BOTTOM = 3,
<a name="l00268"></a>00268 STEREO_FORMAT_RIGHT_LEFT = 11
<a name="l00269"></a>00269 } stereo_format_t;
<a name="l00270"></a>00270
<a name="l00271"></a>00271 <span class="keyword">enum</span> video_file_type
<a name="l00272"></a>00272 {
<a name="l00273"></a>00273 FILE_TYPE_RAW,
<a name="l00274"></a>00274 FILE_TYPE_IVF,
<a name="l00275"></a>00275 FILE_TYPE_Y4M
<a name="l00276"></a>00276 };
<a name="l00277"></a>00277
<a name="l00278"></a>00278 <span class="keyword">struct </span>detect_buffer {
<a name="l00279"></a>00279 <span class="keywordtype">char</span> buf[4];
<a name="l00280"></a>00280 <span class="keywordtype">size_t</span> buf_read;
<a name="l00281"></a>00281 <span class="keywordtype">size_t</span> position;
<a name="l00282"></a>00282 };
<a name="l00283"></a>00283
<a name="l00284"></a>00284
<a name="l00285"></a>00285 <span class="preprocessor">#define IVF_FRAME_HDR_SZ (4+8) </span><span class="comment">/* 4 byte size + 8 byte timestamp */</span>
<a name="l00286"></a>00286 <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,
<a name="l00287"></a>00287 y4m_input *y4m, <span class="keyword">struct</span> detect_buffer *detect)
<a name="l00288"></a>00288 {
<a name="l00289"></a>00289 <span class="keywordtype">int</span> plane = 0;
<a name="l00290"></a>00290 <span class="keywordtype">int</span> shortread = 0;
<a name="l00291"></a>00291
<a name="l00292"></a>00292 <span class="keywordflow">if</span> (file_type == FILE_TYPE_Y4M)
<a name="l00293"></a>00293 {
<a name="l00294"></a>00294 <span class="keywordflow">if</span> (y4m_input_fetch_frame(y4m, f, img) < 1)
<a name="l00295"></a>00295 <span class="keywordflow">return</span> 0;
<a name="l00296"></a>00296 }
<a name="l00297"></a>00297 <span class="keywordflow">else</span>
<a name="l00298"></a>00298 {
<a name="l00299"></a>00299 <span class="keywordflow">if</span> (file_type == FILE_TYPE_IVF)
<a name="l00300"></a>00300 {
<a name="l00301"></a>00301 <span class="keywordtype">char</span> junk[IVF_FRAME_HDR_SZ];
<a name="l00302"></a>00302
<a name="l00303"></a>00303 <span class="comment">/* Skip the frame header. We know how big the frame should be. See</span>
<a name="l00304"></a>00304 <span class="comment"> * write_ivf_frame_header() for documentation on the frame header</span>
<a name="l00305"></a>00305 <span class="comment"> * layout.</span>
<a name="l00306"></a>00306 <span class="comment"> */</span>
<a name="l00307"></a>00307 <span class="keywordflow">if</span>(fread(junk, 1, IVF_FRAME_HDR_SZ, f));
<a name="l00308"></a>00308 }
<a name="l00309"></a>00309
<a name="l00310"></a>00310 <span class="keywordflow">for</span> (plane = 0; plane < 3; plane++)
<a name="l00311"></a>00311 {
<a name="l00312"></a>00312 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *ptr;
<a name="l00313"></a>00313 <span class="keywordtype">int</span> w = (plane ? (1 + img-><a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a>) / 2 : img-><a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a>);
<a name="l00314"></a>00314 <span class="keywordtype">int</span> h = (plane ? (1 + img-><a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a>) / 2 : img-><a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a>);
<a name="l00315"></a>00315 <span class="keywordtype">int</span> r;
<a name="l00316"></a>00316
<a name="l00317"></a>00317 <span class="comment">/* Determine the correct plane based on the image format. The for-loop</span>
<a name="l00318"></a>00318 <span class="comment"> * always counts in Y,U,V order, but this may not match the order of</span>
<a name="l00319"></a>00319 <span class="comment"> * the data on disk.</span>
<a name="l00320"></a>00320 <span class="comment"> */</span>
<a name="l00321"></a>00321 <span class="keywordflow">switch</span> (plane)
<a name="l00322"></a>00322 {
<a name="l00323"></a>00323 <span class="keywordflow">case</span> 1:
<a name="l00324"></a>00324 ptr = img-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[img-><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>];
<a name="l00325"></a>00325 <span class="keywordflow">break</span>;
<a name="l00326"></a>00326 <span class="keywordflow">case</span> 2:
<a name="l00327"></a>00327 ptr = img-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[img-><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>];
<a name="l00328"></a>00328 <span class="keywordflow">break</span>;
<a name="l00329"></a>00329 <span class="keywordflow">default</span>:
<a name="l00330"></a>00330 ptr = img-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[plane];
<a name="l00331"></a>00331 }
<a name="l00332"></a>00332
<a name="l00333"></a>00333 <span class="keywordflow">for</span> (r = 0; r < h; r++)
<a name="l00334"></a>00334 {
<a name="l00335"></a>00335 <span class="keywordtype">size_t</span> needed = w;
<a name="l00336"></a>00336 <span class="keywordtype">size_t</span> buf_position = 0;
<a name="l00337"></a>00337 <span class="keyword">const</span> <span class="keywordtype">size_t</span> left = detect->buf_read - detect->position;
<a name="l00338"></a>00338 <span class="keywordflow">if</span> (left > 0)
<a name="l00339"></a>00339 {
<a name="l00340"></a>00340 <span class="keyword">const</span> <span class="keywordtype">size_t</span> more = (left < needed) ? left : needed;
<a name="l00341"></a>00341 memcpy(ptr, detect->buf + detect->position, more);
<a name="l00342"></a>00342 buf_position = more;
<a name="l00343"></a>00343 needed -= more;
<a name="l00344"></a>00344 detect->position += more;
<a name="l00345"></a>00345 }
<a name="l00346"></a>00346 <span class="keywordflow">if</span> (needed > 0)
<a name="l00347"></a>00347 {
<a name="l00348"></a>00348 shortread |= (fread(ptr + buf_position, 1, needed, f) < needed);
<a name="l00349"></a>00349 }
<a name="l00350"></a>00350
<a name="l00351"></a>00351 ptr += img-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[plane];
<a name="l00352"></a>00352 }
<a name="l00353"></a>00353 }
<a name="l00354"></a>00354 }
<a name="l00355"></a>00355
<a name="l00356"></a>00356 <span class="keywordflow">return</span> !shortread;
<a name="l00357"></a>00357 }
<a name="l00358"></a>00358
<a name="l00359"></a>00359
<a name="l00360"></a>00360 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> file_is_y4m(FILE *infile,
<a name="l00361"></a>00361 y4m_input *y4m,
<a name="l00362"></a>00362 <span class="keywordtype">char</span> detect[4])
<a name="l00363"></a>00363 {
<a name="l00364"></a>00364 <span class="keywordflow">if</span>(memcmp(detect, <span class="stringliteral">"YUV4"</span>, 4) == 0)
<a name="l00365"></a>00365 {
<a name="l00366"></a>00366 <span class="keywordflow">return</span> 1;
<a name="l00367"></a>00367 }
<a name="l00368"></a>00368 <span class="keywordflow">return</span> 0;
<a name="l00369"></a>00369 }
<a name="l00370"></a>00370
<a name="l00371"></a>00371 <span class="preprocessor">#define IVF_FILE_HDR_SZ (32)</span>
<a name="l00372"></a>00372 <span class="preprocessor"></span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> file_is_ivf(FILE *infile,
<a name="l00373"></a>00373 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *fourcc,
<a name="l00374"></a>00374 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *width,
<a name="l00375"></a>00375 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *height,
<a name="l00376"></a>00376 <span class="keyword">struct</span> detect_buffer *detect)
<a name="l00377"></a>00377 {
<a name="l00378"></a>00378 <span class="keywordtype">char</span> raw_hdr[IVF_FILE_HDR_SZ];
<a name="l00379"></a>00379 <span class="keywordtype">int</span> is_ivf = 0;
<a name="l00380"></a>00380
<a name="l00381"></a>00381 <span class="keywordflow">if</span>(memcmp(detect->buf, <span class="stringliteral">"DKIF"</span>, 4) != 0)
<a name="l00382"></a>00382 <span class="keywordflow">return</span> 0;
<a name="l00383"></a>00383
<a name="l00384"></a>00384 <span class="comment">/* See write_ivf_file_header() for more documentation on the file header</span>
<a name="l00385"></a>00385 <span class="comment"> * layout.</span>
<a name="l00386"></a>00386 <span class="comment"> */</span>
<a name="l00387"></a>00387 <span class="keywordflow">if</span> (fread(raw_hdr + 4, 1, IVF_FILE_HDR_SZ - 4, infile)
<a name="l00388"></a>00388 == IVF_FILE_HDR_SZ - 4)
<a name="l00389"></a>00389 {
<a name="l00390"></a>00390 {
<a name="l00391"></a>00391 is_ivf = 1;
<a name="l00392"></a>00392
<a name="l00393"></a>00393 <span class="keywordflow">if</span> (mem_get_le16(raw_hdr + 4) != 0)
<a name="l00394"></a>00394 fprintf(stderr, <span class="stringliteral">"Error: Unrecognized IVF version! This file may not"</span>
<a name="l00395"></a>00395 <span class="stringliteral">" decode properly."</span>);
<a name="l00396"></a>00396
<a name="l00397"></a>00397 *fourcc = mem_get_le32(raw_hdr + 8);
<a name="l00398"></a>00398 }
<a name="l00399"></a>00399 }
<a name="l00400"></a>00400
<a name="l00401"></a>00401 <span class="keywordflow">if</span> (is_ivf)
<a name="l00402"></a>00402 {
<a name="l00403"></a>00403 *width = mem_get_le16(raw_hdr + 12);
<a name="l00404"></a>00404 *height = mem_get_le16(raw_hdr + 14);
<a name="l00405"></a>00405 detect->position = 4;
<a name="l00406"></a>00406 }
<a name="l00407"></a>00407
<a name="l00408"></a>00408 <span class="keywordflow">return</span> is_ivf;
<a name="l00409"></a>00409 }
<a name="l00410"></a>00410
<a name="l00411"></a>00411
<a name="l00412"></a>00412 <span class="keyword">static</span> <span class="keywordtype">void</span> write_ivf_file_header(FILE *outfile,
<a name="l00413"></a>00413 <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,
<a name="l00414"></a>00414 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fourcc,
<a name="l00415"></a>00415 <span class="keywordtype">int</span> frame_cnt)
<a name="l00416"></a>00416 {
<a name="l00417"></a>00417 <span class="keywordtype">char</span> header[32];
<a name="l00418"></a>00418
<a name="l00419"></a>00419 <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#gga476c5417f9c15a1dc5d3f68fa44c493fa7b6943a41868e8e26a77e9500f139ca1">VPX_RC_ONE_PASS</a> && 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#gga476c5417f9c15a1dc5d3f68fa44c493fa65da543b956d6a9b1f301ab8cc90d3a7">VPX_RC_LAST_PASS</a>)
<a name="l00420"></a>00420 <span class="keywordflow">return</span>;
<a name="l00421"></a>00421
<a name="l00422"></a>00422 header[0] = <span class="charliteral">'D'</span>;
<a name="l00423"></a>00423 header[1] = <span class="charliteral">'K'</span>;
<a name="l00424"></a>00424 header[2] = <span class="charliteral">'I'</span>;
<a name="l00425"></a>00425 header[3] = <span class="charliteral">'F'</span>;
<a name="l00426"></a>00426 mem_put_le16(header + 4, 0); <span class="comment">/* version */</span>
<a name="l00427"></a>00427 mem_put_le16(header + 6, 32); <span class="comment">/* headersize */</span>
<a name="l00428"></a>00428 mem_put_le32(header + 8, fourcc); <span class="comment">/* headersize */</span>
<a name="l00429"></a>00429 mem_put_le16(header + 12, cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c" title="Width of the frame.">g_w</a>); <span class="comment">/* width */</span>
<a name="l00430"></a>00430 mem_put_le16(header + 14, cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e" title="Height of the frame.">g_h</a>); <span class="comment">/* height */</span>
<a name="l00431"></a>00431 mem_put_le32(header + 16, 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>); <span class="comment">/* rate */</span>
<a name="l00432"></a>00432 mem_put_le32(header + 20, 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>); <span class="comment">/* scale */</span>
<a name="l00433"></a>00433 mem_put_le32(header + 24, frame_cnt); <span class="comment">/* length */</span>
<a name="l00434"></a>00434 mem_put_le32(header + 28, 0); <span class="comment">/* unused */</span>
<a name="l00435"></a>00435
<a name="l00436"></a>00436 <span class="keywordflow">if</span>(fwrite(header, 1, 32, outfile));
<a name="l00437"></a>00437 }
<a name="l00438"></a>00438
<a name="l00439"></a>00439
<a name="l00440"></a>00440 <span class="keyword">static</span> <span class="keywordtype">void</span> write_ivf_frame_header(FILE *outfile,
<a name="l00441"></a>00441 <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)
<a name="l00442"></a>00442 {
<a name="l00443"></a>00443 <span class="keywordtype">char</span> header[12];
<a name="l00444"></a>00444 <a class="code" href="group__encoder.html#ga7e711b0a71c65aef8f0faea8bd57b05f" title="Time Stamp Type.">vpx_codec_pts_t</a> pts;
<a name="l00445"></a>00445
<a name="l00446"></a>00446 <span class="keywordflow">if</span> (pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a41f395b39516343c1329a4a85a0084f2">kind</a> != <a class="code" href="group__encoder.html#gga28a79375279536526552af3a83d2ed72a2261aae5594289400e812fb1e6b6b0cc">VPX_CODEC_CX_FRAME_PKT</a>)
<a name="l00447"></a>00447 <span class="keywordflow">return</span>;
<a name="l00448"></a>00448
<a name="l00449"></a>00449 pts = pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.pts;
<a name="l00450"></a>00450 mem_put_le32(header, pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.sz);
<a name="l00451"></a>00451 mem_put_le32(header + 4, pts & 0xFFFFFFFF);
<a name="l00452"></a>00452 mem_put_le32(header + 8, pts >> 32);
<a name="l00453"></a>00453
<a name="l00454"></a>00454 <span class="keywordflow">if</span>(fwrite(header, 1, 12, outfile));
<a name="l00455"></a>00455 }
<a name="l00456"></a>00456
<a name="l00457"></a>00457
<a name="l00458"></a>00458 <span class="keyword">typedef</span> off_t EbmlLoc;
<a name="l00459"></a>00459
<a name="l00460"></a>00460
<a name="l00461"></a>00461 <span class="keyword">struct </span>cue_entry
<a name="l00462"></a>00462 {
<a name="l00463"></a>00463 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> time;
<a name="l00464"></a>00464 uint64_t loc;
<a name="l00465"></a>00465 };
<a name="l00466"></a>00466
<a name="l00467"></a>00467
<a name="l00468"></a>00468 <span class="keyword">struct </span>EbmlGlobal
<a name="l00469"></a>00469 {
<a name="l00470"></a>00470 <span class="keywordtype">int</span> debug;
<a name="l00471"></a>00471
<a name="l00472"></a>00472 FILE *stream;
<a name="l00473"></a>00473 int64_t last_pts_ms;
<a name="l00474"></a>00474 <a class="code" href="structvpx__rational.html" title="Rational Number.">vpx_rational_t</a> framerate;
<a name="l00475"></a>00475
<a name="l00476"></a>00476 <span class="comment">/* These pointers are to the start of an element */</span>
<a name="l00477"></a>00477 off_t position_reference;
<a name="l00478"></a>00478 off_t seek_info_pos;
<a name="l00479"></a>00479 off_t segment_info_pos;
<a name="l00480"></a>00480 off_t track_pos;
<a name="l00481"></a>00481 off_t cue_pos;
<a name="l00482"></a>00482 off_t cluster_pos;
<a name="l00483"></a>00483
<a name="l00484"></a>00484 <span class="comment">/* This pointer is to a specific element to be serialized */</span>
<a name="l00485"></a>00485 off_t track_id_pos;
<a name="l00486"></a>00486
<a name="l00487"></a>00487 <span class="comment">/* These pointers are to the size field of the element */</span>
<a name="l00488"></a>00488 EbmlLoc startSegment;
<a name="l00489"></a>00489 EbmlLoc startCluster;
<a name="l00490"></a>00490
<a name="l00491"></a>00491 uint32_t cluster_timecode;
<a name="l00492"></a>00492 <span class="keywordtype">int</span> cluster_open;
<a name="l00493"></a>00493
<a name="l00494"></a>00494 <span class="keyword">struct </span>cue_entry *cue_list;
<a name="l00495"></a>00495 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cues;
<a name="l00496"></a>00496
<a name="l00497"></a>00497 };
<a name="l00498"></a>00498
<a name="l00499"></a>00499
<a name="l00500"></a>00500 <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)
<a name="l00501"></a>00501 {
<a name="l00502"></a>00502 <span class="keywordflow">if</span>(fwrite(buffer_in, 1, len, glob->stream));
<a name="l00503"></a>00503 }
<a name="l00504"></a>00504
<a name="l00505"></a>00505 <span class="preprocessor">#define WRITE_BUFFER(s) \</span>
<a name="l00506"></a>00506 <span class="preprocessor">for(i = len-1; i>=0; i--)\</span>
<a name="l00507"></a>00507 <span class="preprocessor">{ \</span>
<a name="l00508"></a>00508 <span class="preprocessor"> x = *(const s *)buffer_in >> (i * CHAR_BIT); \</span>
<a name="l00509"></a>00509 <span class="preprocessor"> Ebml_Write(glob, &x, 1); \</span>
<a name="l00510"></a>00510 <span class="preprocessor">}</span>
<a name="l00511"></a>00511 <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)
<a name="l00512"></a>00512 {
<a name="l00513"></a>00513 <span class="keywordtype">char</span> x;
<a name="l00514"></a>00514 <span class="keywordtype">int</span> i;
<a name="l00515"></a>00515
<a name="l00516"></a>00516 <span class="comment">/* buffer_size:</span>
<a name="l00517"></a>00517 <span class="comment"> * 1 - int8_t;</span>
<a name="l00518"></a>00518 <span class="comment"> * 2 - int16_t;</span>
<a name="l00519"></a>00519 <span class="comment"> * 3 - int32_t;</span>
<a name="l00520"></a>00520 <span class="comment"> * 4 - int64_t;</span>
<a name="l00521"></a>00521 <span class="comment"> */</span>
<a name="l00522"></a>00522 <span class="keywordflow">switch</span> (buffer_size)
<a name="l00523"></a>00523 {
<a name="l00524"></a>00524 <span class="keywordflow">case</span> 1:
<a name="l00525"></a>00525 WRITE_BUFFER(int8_t)
<a name="l00526"></a>00526 break;
<a name="l00527"></a>00527 case 2:
<a name="l00528"></a>00528 WRITE_BUFFER(int16_t)
<a name="l00529"></a>00529 break;
<a name="l00530"></a>00530 case 4:
<a name="l00531"></a>00531 WRITE_BUFFER(int32_t)
<a name="l00532"></a>00532 break;
<a name="l00533"></a>00533 case 8:
<a name="l00534"></a>00534 WRITE_BUFFER(int64_t)
<a name="l00535"></a>00535 break;
<a name="l00536"></a>00536 default:
<a name="l00537"></a>00537 break;
<a name="l00538"></a>00538 }
<a name="l00539"></a>00539 }
<a name="l00540"></a>00540 <span class="preprocessor">#undef WRITE_BUFFER</span>
<a name="l00541"></a>00541 <span class="preprocessor"></span>
<a name="l00542"></a>00542 <span class="comment">/* Need a fixed size serializer for the track ID. libmkv provides a 64 bit</span>
<a name="l00543"></a>00543 <span class="comment"> * one, but not a 32 bit one.</span>
<a name="l00544"></a>00544 <span class="comment"> */</span>
<a name="l00545"></a>00545 <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)
<a name="l00546"></a>00546 {
<a name="l00547"></a>00547 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sizeSerialized = 4 | 0x80;
<a name="l00548"></a>00548 Ebml_WriteID(glob, class_id);
<a name="l00549"></a>00549 Ebml_Serialize(glob, &sizeSerialized, <span class="keyword">sizeof</span>(sizeSerialized), 1);
<a name="l00550"></a>00550 Ebml_Serialize(glob, &ui, <span class="keyword">sizeof</span>(ui), 4);
<a name="l00551"></a>00551 }
<a name="l00552"></a>00552
<a name="l00553"></a>00553
<a name="l00554"></a>00554 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00555"></a>00555 Ebml_StartSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc,
<a name="l00556"></a>00556 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> class_id)
<a name="l00557"></a>00557 {
<a name="l00558"></a>00558 <span class="comment">//todo this is always taking 8 bytes, this may need later optimization</span>
<a name="l00559"></a>00559 <span class="comment">//this is a key that says length unknown</span>
<a name="l00560"></a>00560 uint64_t unknownLen = LITERALU64(0x01FFFFFFFFFFFFFF);
<a name="l00561"></a>00561
<a name="l00562"></a>00562 Ebml_WriteID(glob, class_id);
<a name="l00563"></a>00563 *ebmlLoc = ftello(glob->stream);
<a name="l00564"></a>00564 Ebml_Serialize(glob, &unknownLen, <span class="keyword">sizeof</span>(unknownLen), 8);
<a name="l00565"></a>00565 }
<a name="l00566"></a>00566
<a name="l00567"></a>00567 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00568"></a>00568 Ebml_EndSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc)
<a name="l00569"></a>00569 {
<a name="l00570"></a>00570 off_t pos;
<a name="l00571"></a>00571 uint64_t size;
<a name="l00572"></a>00572
<a name="l00573"></a>00573 <span class="comment">/* Save the current stream pointer */</span>
<a name="l00574"></a>00574 pos = ftello(glob->stream);
<a name="l00575"></a>00575
<a name="l00576"></a>00576 <span class="comment">/* Calculate the size of this element */</span>
<a name="l00577"></a>00577 size = pos - *ebmlLoc - 8;
<a name="l00578"></a>00578 size |= LITERALU64(0x0100000000000000);
<a name="l00579"></a>00579
<a name="l00580"></a>00580 <span class="comment">/* Seek back to the beginning of the element and write the new size */</span>
<a name="l00581"></a>00581 fseeko(glob->stream, *ebmlLoc, SEEK_SET);
<a name="l00582"></a>00582 Ebml_Serialize(glob, &size, <span class="keyword">sizeof</span>(size), 8);
<a name="l00583"></a>00583
<a name="l00584"></a>00584 <span class="comment">/* Reset the stream pointer */</span>
<a name="l00585"></a>00585 fseeko(glob->stream, pos, SEEK_SET);
<a name="l00586"></a>00586 }
<a name="l00587"></a>00587
<a name="l00588"></a>00588
<a name="l00589"></a>00589 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00590"></a>00590 write_webm_seek_element(EbmlGlobal *ebml, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">id</span>, off_t pos)
<a name="l00591"></a>00591 {
<a name="l00592"></a>00592 uint64_t offset = pos - ebml->position_reference;
<a name="l00593"></a>00593 EbmlLoc start;
<a name="l00594"></a>00594 Ebml_StartSubElement(ebml, &start, Seek);
<a name="l00595"></a>00595 Ebml_SerializeBinary(ebml, SeekID, <span class="keywordtype">id</span>);
<a name="l00596"></a>00596 Ebml_SerializeUnsigned64(ebml, SeekPosition, offset);
<a name="l00597"></a>00597 Ebml_EndSubElement(ebml, &start);
<a name="l00598"></a>00598 }
<a name="l00599"></a>00599
<a name="l00600"></a>00600
<a name="l00601"></a>00601 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00602"></a>00602 write_webm_seek_info(EbmlGlobal *ebml)
<a name="l00603"></a>00603 {
<a name="l00604"></a>00604
<a name="l00605"></a>00605 off_t pos;
<a name="l00606"></a>00606
<a name="l00607"></a>00607 <span class="comment">/* Save the current stream pointer */</span>
<a name="l00608"></a>00608 pos = ftello(ebml->stream);
<a name="l00609"></a>00609
<a name="l00610"></a>00610 <span class="keywordflow">if</span>(ebml->seek_info_pos)
<a name="l00611"></a>00611 fseeko(ebml->stream, ebml->seek_info_pos, SEEK_SET);
<a name="l00612"></a>00612 <span class="keywordflow">else</span>
<a name="l00613"></a>00613 ebml->seek_info_pos = pos;
<a name="l00614"></a>00614
<a name="l00615"></a>00615 {
<a name="l00616"></a>00616 EbmlLoc start;
<a name="l00617"></a>00617
<a name="l00618"></a>00618 Ebml_StartSubElement(ebml, &start, SeekHead);
<a name="l00619"></a>00619 write_webm_seek_element(ebml, Tracks, ebml->track_pos);
<a name="l00620"></a>00620 write_webm_seek_element(ebml, Cues, ebml->cue_pos);
<a name="l00621"></a>00621 write_webm_seek_element(ebml, Info, ebml->segment_info_pos);
<a name="l00622"></a>00622 Ebml_EndSubElement(ebml, &start);
<a name="l00623"></a>00623 }
<a name="l00624"></a>00624 {
<a name="l00625"></a>00625 <span class="comment">//segment info</span>
<a name="l00626"></a>00626 EbmlLoc startInfo;
<a name="l00627"></a>00627 uint64_t frame_time;
<a name="l00628"></a>00628 <span class="keywordtype">char</span> version_string[64];
<a name="l00629"></a>00629
<a name="l00630"></a>00630 <span class="comment">/* Assemble version string */</span>
<a name="l00631"></a>00631 <span class="keywordflow">if</span>(ebml->debug)
<a name="l00632"></a>00632 strcpy(version_string, <span class="stringliteral">"vpxenc"</span>);
<a name="l00633"></a>00633 <span class="keywordflow">else</span>
<a name="l00634"></a>00634 {
<a name="l00635"></a>00635 strcpy(version_string, <span class="stringliteral">"vpxenc "</span>);
<a name="l00636"></a>00636 strncat(version_string,
<a name="l00637"></a>00637 <a class="code" href="group__codec.html#ga163fbcc6dd33827b28b9829a0a86cf59" title="Return the version information (as a string)">vpx_codec_version_str</a>(),
<a name="l00638"></a>00638 <span class="keyword">sizeof</span>(version_string) - 1 - strlen(version_string));
<a name="l00639"></a>00639 }
<a name="l00640"></a>00640
<a name="l00641"></a>00641 frame_time = (uint64_t)1000 * ebml->framerate.den
<a name="l00642"></a>00642 / ebml->framerate.num;
<a name="l00643"></a>00643 ebml->segment_info_pos = ftello(ebml->stream);
<a name="l00644"></a>00644 Ebml_StartSubElement(ebml, &startInfo, Info);
<a name="l00645"></a>00645 Ebml_SerializeUnsigned(ebml, TimecodeScale, 1000000);
<a name="l00646"></a>00646 Ebml_SerializeFloat(ebml, Segment_Duration,
<a name="l00647"></a>00647 ebml->last_pts_ms + frame_time);
<a name="l00648"></a>00648 Ebml_SerializeString(ebml, 0x4D80, version_string);
<a name="l00649"></a>00649 Ebml_SerializeString(ebml, 0x5741, version_string);
<a name="l00650"></a>00650 Ebml_EndSubElement(ebml, &startInfo);
<a name="l00651"></a>00651 }
<a name="l00652"></a>00652 }
<a name="l00653"></a>00653
<a name="l00654"></a>00654
<a name="l00655"></a>00655 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00656"></a>00656 write_webm_file_header(EbmlGlobal *glob,
<a name="l00657"></a>00657 <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,
<a name="l00658"></a>00658 <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structvpx__rational.html" title="Rational Number.">vpx_rational</a> *fps,
<a name="l00659"></a>00659 stereo_format_t stereo_fmt)
<a name="l00660"></a>00660 {
<a name="l00661"></a>00661 {
<a name="l00662"></a>00662 EbmlLoc start;
<a name="l00663"></a>00663 Ebml_StartSubElement(glob, &start, EBML);
<a name="l00664"></a>00664 Ebml_SerializeUnsigned(glob, EBMLVersion, 1);
<a name="l00665"></a>00665 Ebml_SerializeUnsigned(glob, EBMLReadVersion, 1); <span class="comment">//EBML Read Version</span>
<a name="l00666"></a>00666 Ebml_SerializeUnsigned(glob, EBMLMaxIDLength, 4); <span class="comment">//EBML Max ID Length</span>
<a name="l00667"></a>00667 Ebml_SerializeUnsigned(glob, EBMLMaxSizeLength, 8); <span class="comment">//EBML Max Size Length</span>
<a name="l00668"></a>00668 Ebml_SerializeString(glob, DocType, <span class="stringliteral">"webm"</span>); <span class="comment">//Doc Type</span>
<a name="l00669"></a>00669 Ebml_SerializeUnsigned(glob, DocTypeVersion, 2); <span class="comment">//Doc Type Version</span>
<a name="l00670"></a>00670 Ebml_SerializeUnsigned(glob, DocTypeReadVersion, 2); <span class="comment">//Doc Type Read Version</span>
<a name="l00671"></a>00671 Ebml_EndSubElement(glob, &start);
<a name="l00672"></a>00672 }
<a name="l00673"></a>00673 {
<a name="l00674"></a>00674 Ebml_StartSubElement(glob, &glob->startSegment, Segment); <span class="comment">//segment</span>
<a name="l00675"></a>00675 glob->position_reference = ftello(glob->stream);
<a name="l00676"></a>00676 glob->framerate = *fps;
<a name="l00677"></a>00677 write_webm_seek_info(glob);
<a name="l00678"></a>00678
<a name="l00679"></a>00679 {
<a name="l00680"></a>00680 EbmlLoc trackStart;
<a name="l00681"></a>00681 glob->track_pos = ftello(glob->stream);
<a name="l00682"></a>00682 Ebml_StartSubElement(glob, &trackStart, Tracks);
<a name="l00683"></a>00683 {
<a name="l00684"></a>00684 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> trackNumber = 1;
<a name="l00685"></a>00685 uint64_t trackID = 0;
<a name="l00686"></a>00686
<a name="l00687"></a>00687 EbmlLoc start;
<a name="l00688"></a>00688 Ebml_StartSubElement(glob, &start, TrackEntry);
<a name="l00689"></a>00689 Ebml_SerializeUnsigned(glob, TrackNumber, trackNumber);
<a name="l00690"></a>00690 glob->track_id_pos = ftello(glob->stream);
<a name="l00691"></a>00691 Ebml_SerializeUnsigned32(glob, TrackUID, trackID);
<a name="l00692"></a>00692 Ebml_SerializeUnsigned(glob, TrackType, 1); <span class="comment">//video is always 1</span>
<a name="l00693"></a>00693 Ebml_SerializeString(glob, CodecID, <span class="stringliteral">"V_VP8"</span>);
<a name="l00694"></a>00694 {
<a name="l00695"></a>00695 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pixelWidth = cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c" title="Width of the frame.">g_w</a>;
<a name="l00696"></a>00696 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pixelHeight = cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e" title="Height of the frame.">g_h</a>;
<a name="l00697"></a>00697 <span class="keywordtype">float</span> frameRate = (float)fps-><a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a>/(<span class="keywordtype">float</span>)fps-><a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a>;
<a name="l00698"></a>00698
<a name="l00699"></a>00699 EbmlLoc videoStart;
<a name="l00700"></a>00700 Ebml_StartSubElement(glob, &videoStart, Video);
<a name="l00701"></a>00701 Ebml_SerializeUnsigned(glob, PixelWidth, pixelWidth);
<a name="l00702"></a>00702 Ebml_SerializeUnsigned(glob, PixelHeight, pixelHeight);
<a name="l00703"></a>00703 Ebml_SerializeUnsigned(glob, StereoMode, stereo_fmt);
<a name="l00704"></a>00704 Ebml_SerializeFloat(glob, FrameRate, frameRate);
<a name="l00705"></a>00705 Ebml_EndSubElement(glob, &videoStart); <span class="comment">//Video</span>
<a name="l00706"></a>00706 }
<a name="l00707"></a>00707 Ebml_EndSubElement(glob, &start); <span class="comment">//Track Entry</span>
<a name="l00708"></a>00708 }
<a name="l00709"></a>00709 Ebml_EndSubElement(glob, &trackStart);
<a name="l00710"></a>00710 }
<a name="l00711"></a>00711 <span class="comment">// segment element is open</span>
<a name="l00712"></a>00712 }
<a name="l00713"></a>00713 }
<a name="l00714"></a>00714
<a name="l00715"></a>00715
<a name="l00716"></a>00716 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00717"></a>00717 write_webm_block(EbmlGlobal *glob,
<a name="l00718"></a>00718 <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,
<a name="l00719"></a>00719 <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)
<a name="l00720"></a>00720 {
<a name="l00721"></a>00721 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> block_length;
<a name="l00722"></a>00722 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> track_number;
<a name="l00723"></a>00723 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> block_timecode = 0;
<a name="l00724"></a>00724 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> flags;
<a name="l00725"></a>00725 int64_t pts_ms;
<a name="l00726"></a>00726 <span class="keywordtype">int</span> start_cluster = 0, is_keyframe;
<a name="l00727"></a>00727
<a name="l00728"></a>00728 <span class="comment">/* Calculate the PTS of this frame in milliseconds */</span>
<a name="l00729"></a>00729 pts_ms = pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.pts * 1000
<a name="l00730"></a>00730 * (uint64_t)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> / (uint64_t)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>;
<a name="l00731"></a>00731 <span class="keywordflow">if</span>(pts_ms <= glob->last_pts_ms)
<a name="l00732"></a>00732 pts_ms = glob->last_pts_ms + 1;
<a name="l00733"></a>00733 glob->last_pts_ms = pts_ms;
<a name="l00734"></a>00734
<a name="l00735"></a>00735 <span class="comment">/* Calculate the relative time of this block */</span>
<a name="l00736"></a>00736 <span class="keywordflow">if</span>(pts_ms - glob->cluster_timecode > SHRT_MAX)
<a name="l00737"></a>00737 start_cluster = 1;
<a name="l00738"></a>00738 <span class="keywordflow">else</span>
<a name="l00739"></a>00739 block_timecode = pts_ms - glob->cluster_timecode;
<a name="l00740"></a>00740
<a name="l00741"></a>00741 is_keyframe = (pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.flags & <a class="code" href="group__encoder.html#ga7a896eb3bc74f33419e6a9812c60e4c9">VPX_FRAME_IS_KEY</a>);
<a name="l00742"></a>00742 <span class="keywordflow">if</span>(start_cluster || is_keyframe)
<a name="l00743"></a>00743 {
<a name="l00744"></a>00744 <span class="keywordflow">if</span>(glob->cluster_open)
<a name="l00745"></a>00745 Ebml_EndSubElement(glob, &glob->startCluster);
<a name="l00746"></a>00746
<a name="l00747"></a>00747 <span class="comment">/* Open the new cluster */</span>
<a name="l00748"></a>00748 block_timecode = 0;
<a name="l00749"></a>00749 glob->cluster_open = 1;
<a name="l00750"></a>00750 glob->cluster_timecode = pts_ms;
<a name="l00751"></a>00751 glob->cluster_pos = ftello(glob->stream);
<a name="l00752"></a>00752 Ebml_StartSubElement(glob, &glob->startCluster, Cluster); <span class="comment">//cluster</span>
<a name="l00753"></a>00753 Ebml_SerializeUnsigned(glob, Timecode, glob->cluster_timecode);
<a name="l00754"></a>00754
<a name="l00755"></a>00755 <span class="comment">/* Save a cue point if this is a keyframe. */</span>
<a name="l00756"></a>00756 <span class="keywordflow">if</span>(is_keyframe)
<a name="l00757"></a>00757 {
<a name="l00758"></a>00758 <span class="keyword">struct </span>cue_entry *cue, *new_cue_list;
<a name="l00759"></a>00759
<a name="l00760"></a>00760 new_cue_list = realloc(glob->cue_list,
<a name="l00761"></a>00761 (glob->cues+1) * <span class="keyword">sizeof</span>(<span class="keyword">struct</span> cue_entry));
<a name="l00762"></a>00762 <span class="keywordflow">if</span>(new_cue_list)
<a name="l00763"></a>00763 glob->cue_list = new_cue_list;
<a name="l00764"></a>00764 <span class="keywordflow">else</span>
<a name="l00765"></a>00765 {
<a name="l00766"></a>00766 fprintf(stderr, <span class="stringliteral">"\nFailed to realloc cue list.\n"</span>);
<a name="l00767"></a>00767 exit(EXIT_FAILURE);
<a name="l00768"></a>00768 }
<a name="l00769"></a>00769
<a name="l00770"></a>00770 cue = &glob->cue_list[glob->cues];
<a name="l00771"></a>00771 cue->time = glob->cluster_timecode;
<a name="l00772"></a>00772 cue->loc = glob->cluster_pos;
<a name="l00773"></a>00773 glob->cues++;
<a name="l00774"></a>00774 }
<a name="l00775"></a>00775 }
<a name="l00776"></a>00776
<a name="l00777"></a>00777 <span class="comment">/* Write the Simple Block */</span>
<a name="l00778"></a>00778 Ebml_WriteID(glob, SimpleBlock);
<a name="l00779"></a>00779
<a name="l00780"></a>00780 block_length = pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.sz + 4;
<a name="l00781"></a>00781 block_length |= 0x10000000;
<a name="l00782"></a>00782 Ebml_Serialize(glob, &block_length, <span class="keyword">sizeof</span>(block_length), 4);
<a name="l00783"></a>00783
<a name="l00784"></a>00784 track_number = 1;
<a name="l00785"></a>00785 track_number |= 0x80;
<a name="l00786"></a>00786 Ebml_Write(glob, &track_number, 1);
<a name="l00787"></a>00787
<a name="l00788"></a>00788 Ebml_Serialize(glob, &block_timecode, <span class="keyword">sizeof</span>(block_timecode), 2);
<a name="l00789"></a>00789
<a name="l00790"></a>00790 flags = 0;
<a name="l00791"></a>00791 <span class="keywordflow">if</span>(is_keyframe)
<a name="l00792"></a>00792 flags |= 0x80;
<a name="l00793"></a>00793 <span class="keywordflow">if</span>(pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.flags & <a class="code" href="group__encoder.html#ga060d7e881d249bdb6e1a29b42e559685">VPX_FRAME_IS_INVISIBLE</a>)
<a name="l00794"></a>00794 flags |= 0x08;
<a name="l00795"></a>00795 Ebml_Write(glob, &flags, 1);
<a name="l00796"></a>00796
<a name="l00797"></a>00797 Ebml_Write(glob, pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.buf, pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.sz);
<a name="l00798"></a>00798 }
<a name="l00799"></a>00799
<a name="l00800"></a>00800
<a name="l00801"></a>00801 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00802"></a>00802 write_webm_file_footer(EbmlGlobal *glob, <span class="keywordtype">long</span> hash)
<a name="l00803"></a>00803 {
<a name="l00804"></a>00804
<a name="l00805"></a>00805 <span class="keywordflow">if</span>(glob->cluster_open)
<a name="l00806"></a>00806 Ebml_EndSubElement(glob, &glob->startCluster);
<a name="l00807"></a>00807
<a name="l00808"></a>00808 {
<a name="l00809"></a>00809 EbmlLoc start;
<a name="l00810"></a>00810 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;
<a name="l00811"></a>00811
<a name="l00812"></a>00812 glob->cue_pos = ftello(glob->stream);
<a name="l00813"></a>00813 Ebml_StartSubElement(glob, &start, Cues);
<a name="l00814"></a>00814 <span class="keywordflow">for</span>(i=0; i<glob->cues; i++)
<a name="l00815"></a>00815 {
<a name="l00816"></a>00816 <span class="keyword">struct </span>cue_entry *cue = &glob->cue_list[i];
<a name="l00817"></a>00817 EbmlLoc start;
<a name="l00818"></a>00818
<a name="l00819"></a>00819 Ebml_StartSubElement(glob, &start, CuePoint);
<a name="l00820"></a>00820 {
<a name="l00821"></a>00821 EbmlLoc start;
<a name="l00822"></a>00822
<a name="l00823"></a>00823 Ebml_SerializeUnsigned(glob, CueTime, cue->time);
<a name="l00824"></a>00824
<a name="l00825"></a>00825 Ebml_StartSubElement(glob, &start, CueTrackPositions);
<a name="l00826"></a>00826 Ebml_SerializeUnsigned(glob, CueTrack, 1);
<a name="l00827"></a>00827 Ebml_SerializeUnsigned64(glob, CueClusterPosition,
<a name="l00828"></a>00828 cue->loc - glob->position_reference);
<a name="l00829"></a>00829 <span class="comment">//Ebml_SerializeUnsigned(glob, CueBlockNumber, cue->blockNumber);</span>
<a name="l00830"></a>00830 Ebml_EndSubElement(glob, &start);
<a name="l00831"></a>00831 }
<a name="l00832"></a>00832 Ebml_EndSubElement(glob, &start);
<a name="l00833"></a>00833 }
<a name="l00834"></a>00834 Ebml_EndSubElement(glob, &start);
<a name="l00835"></a>00835 }
<a name="l00836"></a>00836
<a name="l00837"></a>00837 Ebml_EndSubElement(glob, &glob->startSegment);
<a name="l00838"></a>00838
<a name="l00839"></a>00839 <span class="comment">/* Patch up the seek info block */</span>
<a name="l00840"></a>00840 write_webm_seek_info(glob);
<a name="l00841"></a>00841
<a name="l00842"></a>00842 <span class="comment">/* Patch up the track id */</span>
<a name="l00843"></a>00843 fseeko(glob->stream, glob->track_id_pos, SEEK_SET);
<a name="l00844"></a>00844 Ebml_SerializeUnsigned32(glob, TrackUID, glob->debug ? 0xDEADBEEF : hash);
<a name="l00845"></a>00845
<a name="l00846"></a>00846 fseeko(glob->stream, 0, SEEK_END);
<a name="l00847"></a>00847 }
<a name="l00848"></a>00848
<a name="l00849"></a>00849
<a name="l00850"></a>00850 <span class="comment">/* Murmur hash derived from public domain reference implementation at</span>
<a name="l00851"></a>00851 <span class="comment"> * http://sites.google.com/site/murmurhash/</span>
<a name="l00852"></a>00852 <span class="comment"> */</span>
<a name="l00853"></a>00853 <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 )
<a name="l00854"></a>00854 {
<a name="l00855"></a>00855 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m = 0x5bd1e995;
<a name="l00856"></a>00856 <span class="keyword">const</span> <span class="keywordtype">int</span> r = 24;
<a name="l00857"></a>00857
<a name="l00858"></a>00858 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> h = seed ^ len;
<a name="l00859"></a>00859
<a name="l00860"></a>00860 <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;
<a name="l00861"></a>00861
<a name="l00862"></a>00862 <span class="keywordflow">while</span>(len >= 4)
<a name="l00863"></a>00863 {
<a name="l00864"></a>00864 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> k;
<a name="l00865"></a>00865
<a name="l00866"></a>00866 k = data[0];
<a name="l00867"></a>00867 k |= data[1] << 8;
<a name="l00868"></a>00868 k |= data[2] << 16;
<a name="l00869"></a>00869 k |= data[3] << 24;
<a name="l00870"></a>00870
<a name="l00871"></a>00871 k *= m;
<a name="l00872"></a>00872 k ^= k >> r;
<a name="l00873"></a>00873 k *= m;
<a name="l00874"></a>00874
<a name="l00875"></a>00875 h *= m;
<a name="l00876"></a>00876 h ^= k;
<a name="l00877"></a>00877
<a name="l00878"></a>00878 data += 4;
<a name="l00879"></a>00879 len -= 4;
<a name="l00880"></a>00880 }
<a name="l00881"></a>00881
<a name="l00882"></a>00882 <span class="keywordflow">switch</span>(len)
<a name="l00883"></a>00883 {
<a name="l00884"></a>00884 <span class="keywordflow">case</span> 3: h ^= data[2] << 16;
<a name="l00885"></a>00885 <span class="keywordflow">case</span> 2: h ^= data[1] << 8;
<a name="l00886"></a>00886 <span class="keywordflow">case</span> 1: h ^= data[0];
<a name="l00887"></a>00887 h *= m;
<a name="l00888"></a>00888 };
<a name="l00889"></a>00889
<a name="l00890"></a>00890 h ^= h >> 13;
<a name="l00891"></a>00891 h *= m;
<a name="l00892"></a>00892 h ^= h >> 15;
<a name="l00893"></a>00893
<a name="l00894"></a>00894 <span class="keywordflow">return</span> h;
<a name="l00895"></a>00895 }
<a name="l00896"></a>00896
<a name="l00897"></a>00897 <span class="preprocessor">#include "math.h"</span>
<a name="l00898"></a>00898
<a name="l00899"></a>00899 <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)
<a name="l00900"></a>00900 {
<a name="l00901"></a>00901 <span class="keywordtype">double</span> psnr;
<a name="l00902"></a>00902
<a name="l00903"></a>00903 <span class="keywordflow">if</span> ((<span class="keywordtype">double</span>)Mse > 0.0)
<a name="l00904"></a>00904 psnr = 10.0 * log10(Peak * Peak * Samples / Mse);
<a name="l00905"></a>00905 <span class="keywordflow">else</span>
<a name="l00906"></a>00906 psnr = 60; <span class="comment">// Limit to prevent / 0</span>
<a name="l00907"></a>00907
<a name="l00908"></a>00908 <span class="keywordflow">if</span> (psnr > 60)
<a name="l00909"></a>00909 psnr = 60;
<a name="l00910"></a>00910
<a name="l00911"></a>00911 <span class="keywordflow">return</span> psnr;
<a name="l00912"></a>00912 }
<a name="l00913"></a>00913
<a name="l00914"></a>00914
<a name="l00915"></a>00915 <span class="preprocessor">#include "args.h"</span>
<a name="l00916"></a>00916
<a name="l00917"></a>00917 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t debugmode = ARG_DEF(<span class="stringliteral">"D"</span>, <span class="stringliteral">"debug"</span>, 0,
<a name="l00918"></a>00918 <span class="stringliteral">"Debug mode (makes output deterministic)"</span>);
<a name="l00919"></a>00919 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t outputfile = ARG_DEF(<span class="stringliteral">"o"</span>, <span class="stringliteral">"output"</span>, 1,
<a name="l00920"></a>00920 <span class="stringliteral">"Output filename"</span>);
<a name="l00921"></a>00921 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t use_yv12 = ARG_DEF(NULL, <span class="stringliteral">"yv12"</span>, 0,
<a name="l00922"></a>00922 <span class="stringliteral">"Input file is YV12 "</span>);
<a name="l00923"></a>00923 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t use_i420 = ARG_DEF(NULL, <span class="stringliteral">"i420"</span>, 0,
<a name="l00924"></a>00924 <span class="stringliteral">"Input file is I420 (default)"</span>);
<a name="l00925"></a>00925 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t codecarg = ARG_DEF(NULL, <span class="stringliteral">"codec"</span>, 1,
<a name="l00926"></a>00926 <span class="stringliteral">"Codec to use"</span>);
<a name="l00927"></a>00927 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t passes = ARG_DEF(<span class="stringliteral">"p"</span>, <span class="stringliteral">"passes"</span>, 1,
<a name="l00928"></a>00928 <span class="stringliteral">"Number of passes (1/2)"</span>);
<a name="l00929"></a>00929 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t pass_arg = ARG_DEF(NULL, <span class="stringliteral">"pass"</span>, 1,
<a name="l00930"></a>00930 <span class="stringliteral">"Pass to execute (1/2)"</span>);
<a name="l00931"></a>00931 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t fpf_name = ARG_DEF(NULL, <span class="stringliteral">"fpf"</span>, 1,
<a name="l00932"></a>00932 <span class="stringliteral">"First pass statistics file name"</span>);
<a name="l00933"></a>00933 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t limit = ARG_DEF(NULL, <span class="stringliteral">"limit"</span>, 1,
<a name="l00934"></a>00934 <span class="stringliteral">"Stop encoding after n input frames"</span>);
<a name="l00935"></a>00935 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t deadline = ARG_DEF(<span class="stringliteral">"d"</span>, <span class="stringliteral">"deadline"</span>, 1,
<a name="l00936"></a>00936 <span class="stringliteral">"Deadline per frame (usec)"</span>);
<a name="l00937"></a>00937 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t best_dl = ARG_DEF(NULL, <span class="stringliteral">"best"</span>, 0,
<a name="l00938"></a>00938 <span class="stringliteral">"Use Best Quality Deadline"</span>);
<a name="l00939"></a>00939 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t good_dl = ARG_DEF(NULL, <span class="stringliteral">"good"</span>, 0,
<a name="l00940"></a>00940 <span class="stringliteral">"Use Good Quality Deadline"</span>);
<a name="l00941"></a>00941 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t rt_dl = ARG_DEF(NULL, <span class="stringliteral">"rt"</span>, 0,
<a name="l00942"></a>00942 <span class="stringliteral">"Use Realtime Quality Deadline"</span>);
<a name="l00943"></a>00943 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t verbosearg = ARG_DEF(<span class="stringliteral">"v"</span>, <span class="stringliteral">"verbose"</span>, 0,
<a name="l00944"></a>00944 <span class="stringliteral">"Show encoder parameters"</span>);
<a name="l00945"></a>00945 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t psnrarg = ARG_DEF(NULL, <span class="stringliteral">"psnr"</span>, 0,
<a name="l00946"></a>00946 <span class="stringliteral">"Show PSNR in status line"</span>);
<a name="l00947"></a>00947 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t framerate = ARG_DEF(NULL, <span class="stringliteral">"fps"</span>, 1,
<a name="l00948"></a>00948 <span class="stringliteral">"Stream frame rate (rate/scale)"</span>);
<a name="l00949"></a>00949 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t use_ivf = ARG_DEF(NULL, <span class="stringliteral">"ivf"</span>, 0,
<a name="l00950"></a>00950 <span class="stringliteral">"Output IVF (default is WebM)"</span>);
<a name="l00951"></a>00951 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t q_hist_n = ARG_DEF(NULL, <span class="stringliteral">"q-hist"</span>, 1,
<a name="l00952"></a>00952 <span class="stringliteral">"Show quantizer histogram (n-buckets)"</span>);
<a name="l00953"></a>00953 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t rate_hist_n = ARG_DEF(NULL, <span class="stringliteral">"rate-hist"</span>, 1,
<a name="l00954"></a>00954 <span class="stringliteral">"Show rate histogram (n-buckets)"</span>);
<a name="l00955"></a>00955 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t *main_args[] =
<a name="l00956"></a>00956 {
<a name="l00957"></a>00957 &debugmode,
<a name="l00958"></a>00958 &outputfile, &codecarg, &passes, &pass_arg, &fpf_name, &limit, &deadline,
<a name="l00959"></a>00959 &best_dl, &good_dl, &rt_dl,
<a name="l00960"></a>00960 &verbosearg, &psnrarg, &use_ivf, &q_hist_n, &rate_hist_n,
<a name="l00961"></a>00961 NULL
<a name="l00962"></a>00962 };
<a name="l00963"></a>00963
<a name="l00964"></a>00964 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t usage = ARG_DEF(<span class="stringliteral">"u"</span>, <span class="stringliteral">"usage"</span>, 1,
<a name="l00965"></a>00965 <span class="stringliteral">"Usage profile number to use"</span>);
<a name="l00966"></a>00966 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t threads = ARG_DEF(<span class="stringliteral">"t"</span>, <span class="stringliteral">"threads"</span>, 1,
<a name="l00967"></a>00967 <span class="stringliteral">"Max number of threads to use"</span>);
<a name="l00968"></a>00968 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t profile = ARG_DEF(NULL, <span class="stringliteral">"profile"</span>, 1,
<a name="l00969"></a>00969 <span class="stringliteral">"Bitstream profile number to use"</span>);
<a name="l00970"></a>00970 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t width = ARG_DEF(<span class="stringliteral">"w"</span>, <span class="stringliteral">"width"</span>, 1,
<a name="l00971"></a>00971 <span class="stringliteral">"Frame width"</span>);
<a name="l00972"></a>00972 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t height = ARG_DEF(<span class="stringliteral">"h"</span>, <span class="stringliteral">"height"</span>, 1,
<a name="l00973"></a>00973 <span class="stringliteral">"Frame height"</span>);
<a name="l00974"></a>00974 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">struct </span>arg_enum_list stereo_mode_enum[] = {
<a name="l00975"></a>00975 {<span class="stringliteral">"mono"</span> , STEREO_FORMAT_MONO},
<a name="l00976"></a>00976 {<span class="stringliteral">"left-right"</span>, STEREO_FORMAT_LEFT_RIGHT},
<a name="l00977"></a>00977 {<span class="stringliteral">"bottom-top"</span>, STEREO_FORMAT_BOTTOM_TOP},
<a name="l00978"></a>00978 {<span class="stringliteral">"top-bottom"</span>, STEREO_FORMAT_TOP_BOTTOM},
<a name="l00979"></a>00979 {<span class="stringliteral">"right-left"</span>, STEREO_FORMAT_RIGHT_LEFT},
<a name="l00980"></a>00980 {NULL, 0}
<a name="l00981"></a>00981 };
<a name="l00982"></a>00982 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t stereo_mode = ARG_DEF_ENUM(NULL, <span class="stringliteral">"stereo-mode"</span>, 1,
<a name="l00983"></a>00983 <span class="stringliteral">"Stereo 3D video format"</span>, stereo_mode_enum);
<a name="l00984"></a>00984 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t timebase = ARG_DEF(NULL, <span class="stringliteral">"timebase"</span>, 1,
<a name="l00985"></a>00985 <span class="stringliteral">"Output timestamp precision (fractional seconds)"</span>);
<a name="l00986"></a>00986 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t error_resilient = ARG_DEF(NULL, <span class="stringliteral">"error-resilient"</span>, 1,
<a name="l00987"></a>00987 <span class="stringliteral">"Enable error resiliency features"</span>);
<a name="l00988"></a>00988 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t lag_in_frames = ARG_DEF(NULL, <span class="stringliteral">"lag-in-frames"</span>, 1,
<a name="l00989"></a>00989 <span class="stringliteral">"Max number of frames to lag"</span>);
<a name="l00990"></a>00990
<a name="l00991"></a>00991 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t *global_args[] =
<a name="l00992"></a>00992 {
<a name="l00993"></a>00993 &use_yv12, &use_i420, &usage, &threads, &profile,
<a name="l00994"></a>00994 &width, &height, &stereo_mode, &timebase, &framerate, &error_resilient,
<a name="l00995"></a>00995 &lag_in_frames, NULL
<a name="l00996"></a>00996 };
<a name="l00997"></a>00997
<a name="l00998"></a>00998 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t dropframe_thresh = ARG_DEF(NULL, <span class="stringliteral">"drop-frame"</span>, 1,
<a name="l00999"></a>00999 <span class="stringliteral">"Temporal resampling threshold (buf %)"</span>);
<a name="l01000"></a>01000 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t resize_allowed = ARG_DEF(NULL, <span class="stringliteral">"resize-allowed"</span>, 1,
<a name="l01001"></a>01001 <span class="stringliteral">"Spatial resampling enabled (bool)"</span>);
<a name="l01002"></a>01002 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t resize_up_thresh = ARG_DEF(NULL, <span class="stringliteral">"resize-up"</span>, 1,
<a name="l01003"></a>01003 <span class="stringliteral">"Upscale threshold (buf %)"</span>);
<a name="l01004"></a>01004 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t resize_down_thresh = ARG_DEF(NULL, <span class="stringliteral">"resize-down"</span>, 1,
<a name="l01005"></a>01005 <span class="stringliteral">"Downscale threshold (buf %)"</span>);
<a name="l01006"></a>01006 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">struct </span>arg_enum_list end_usage_enum[] = {
<a name="l01007"></a>01007 {<span class="stringliteral">"vbr"</span>, <a class="code" href="group__encoder.html#ggaf50e74d91be4cae6f70dfeba5b7410d2ab8fbe4441ed3f31a167c8194e8a64f87">VPX_VBR</a>},
<a name="l01008"></a>01008 {<span class="stringliteral">"cbr"</span>, <a class="code" href="group__encoder.html#ggaf50e74d91be4cae6f70dfeba5b7410d2a8b02853cb35790d60cc171a11f6c268a">VPX_CBR</a>},
<a name="l01009"></a>01009 {<span class="stringliteral">"cq"</span>, <a class="code" href="group__encoder.html#ggaf50e74d91be4cae6f70dfeba5b7410d2a5f2fd02b55c67d62bfd79380bcb03f63">VPX_CQ</a>},
<a name="l01010"></a>01010 {NULL, 0}
<a name="l01011"></a>01011 };
<a name="l01012"></a>01012 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t end_usage = ARG_DEF_ENUM(NULL, <span class="stringliteral">"end-usage"</span>, 1,
<a name="l01013"></a>01013 <span class="stringliteral">"Rate control mode"</span>, end_usage_enum);
<a name="l01014"></a>01014 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t target_bitrate = ARG_DEF(NULL, <span class="stringliteral">"target-bitrate"</span>, 1,
<a name="l01015"></a>01015 <span class="stringliteral">"Bitrate (kbps)"</span>);
<a name="l01016"></a>01016 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t min_quantizer = ARG_DEF(NULL, <span class="stringliteral">"min-q"</span>, 1,
<a name="l01017"></a>01017 <span class="stringliteral">"Minimum (best) quantizer"</span>);
<a name="l01018"></a>01018 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t max_quantizer = ARG_DEF(NULL, <span class="stringliteral">"max-q"</span>, 1,
<a name="l01019"></a>01019 <span class="stringliteral">"Maximum (worst) quantizer"</span>);
<a name="l01020"></a>01020 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t undershoot_pct = ARG_DEF(NULL, <span class="stringliteral">"undershoot-pct"</span>, 1,
<a name="l01021"></a>01021 <span class="stringliteral">"Datarate undershoot (min) target (%)"</span>);
<a name="l01022"></a>01022 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t overshoot_pct = ARG_DEF(NULL, <span class="stringliteral">"overshoot-pct"</span>, 1,
<a name="l01023"></a>01023 <span class="stringliteral">"Datarate overshoot (max) target (%)"</span>);
<a name="l01024"></a>01024 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t buf_sz = ARG_DEF(NULL, <span class="stringliteral">"buf-sz"</span>, 1,
<a name="l01025"></a>01025 <span class="stringliteral">"Client buffer size (ms)"</span>);
<a name="l01026"></a>01026 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t buf_initial_sz = ARG_DEF(NULL, <span class="stringliteral">"buf-initial-sz"</span>, 1,
<a name="l01027"></a>01027 <span class="stringliteral">"Client initial buffer size (ms)"</span>);
<a name="l01028"></a>01028 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t buf_optimal_sz = ARG_DEF(NULL, <span class="stringliteral">"buf-optimal-sz"</span>, 1,
<a name="l01029"></a>01029 <span class="stringliteral">"Client optimal buffer size (ms)"</span>);
<a name="l01030"></a>01030 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t *rc_args[] =
<a name="l01031"></a>01031 {
<a name="l01032"></a>01032 &dropframe_thresh, &resize_allowed, &resize_up_thresh, &resize_down_thresh,
<a name="l01033"></a>01033 &end_usage, &target_bitrate, &min_quantizer, &max_quantizer,
<a name="l01034"></a>01034 &undershoot_pct, &overshoot_pct, &buf_sz, &buf_initial_sz, &buf_optimal_sz,
<a name="l01035"></a>01035 NULL
<a name="l01036"></a>01036 };
<a name="l01037"></a>01037
<a name="l01038"></a>01038
<a name="l01039"></a>01039 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t bias_pct = ARG_DEF(NULL, <span class="stringliteral">"bias-pct"</span>, 1,
<a name="l01040"></a>01040 <span class="stringliteral">"CBR/VBR bias (0=CBR, 100=VBR)"</span>);
<a name="l01041"></a>01041 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t minsection_pct = ARG_DEF(NULL, <span class="stringliteral">"minsection-pct"</span>, 1,
<a name="l01042"></a>01042 <span class="stringliteral">"GOP min bitrate (% of target)"</span>);
<a name="l01043"></a>01043 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t maxsection_pct = ARG_DEF(NULL, <span class="stringliteral">"maxsection-pct"</span>, 1,
<a name="l01044"></a>01044 <span class="stringliteral">"GOP max bitrate (% of target)"</span>);
<a name="l01045"></a>01045 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t *rc_twopass_args[] =
<a name="l01046"></a>01046 {
<a name="l01047"></a>01047 &bias_pct, &minsection_pct, &maxsection_pct, NULL
<a name="l01048"></a>01048 };
<a name="l01049"></a>01049
<a name="l01050"></a>01050
<a name="l01051"></a>01051 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t kf_min_dist = ARG_DEF(NULL, <span class="stringliteral">"kf-min-dist"</span>, 1,
<a name="l01052"></a>01052 <span class="stringliteral">"Minimum keyframe interval (frames)"</span>);
<a name="l01053"></a>01053 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t kf_max_dist = ARG_DEF(NULL, <span class="stringliteral">"kf-max-dist"</span>, 1,
<a name="l01054"></a>01054 <span class="stringliteral">"Maximum keyframe interval (frames)"</span>);
<a name="l01055"></a>01055 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t kf_disabled = ARG_DEF(NULL, <span class="stringliteral">"disable-kf"</span>, 0,
<a name="l01056"></a>01056 <span class="stringliteral">"Disable keyframe placement"</span>);
<a name="l01057"></a>01057 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t *kf_args[] =
<a name="l01058"></a>01058 {
<a name="l01059"></a>01059 &kf_min_dist, &kf_max_dist, &kf_disabled, NULL
<a name="l01060"></a>01060 };
<a name="l01061"></a>01061
<a name="l01062"></a>01062
<a name="l01063"></a>01063 <span class="preprocessor">#if CONFIG_VP8_ENCODER</span>
<a name="l01064"></a>01064 <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">"noise-sensitivity"</span>, 1,
<a name="l01065"></a>01065 <span class="stringliteral">"Noise sensitivity (frames to blur)"</span>);
<a name="l01066"></a>01066 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t sharpness = ARG_DEF(NULL, <span class="stringliteral">"sharpness"</span>, 1,
<a name="l01067"></a>01067 <span class="stringliteral">"Filter sharpness (0-7)"</span>);
<a name="l01068"></a>01068 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t static_thresh = ARG_DEF(NULL, <span class="stringliteral">"static-thresh"</span>, 1,
<a name="l01069"></a>01069 <span class="stringliteral">"Motion detection threshold"</span>);
<a name="l01070"></a>01070 <span class="preprocessor">#endif</span>
<a name="l01071"></a>01071 <span class="preprocessor"></span>
<a name="l01072"></a>01072 <span class="preprocessor">#if CONFIG_VP8_ENCODER</span>
<a name="l01073"></a>01073 <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">"cpu-used"</span>, 1,
<a name="l01074"></a>01074 <span class="stringliteral">"CPU Used (-16..16)"</span>);
<a name="l01075"></a>01075 <span class="preprocessor">#endif</span>
<a name="l01076"></a>01076 <span class="preprocessor"></span>
<a name="l01077"></a>01077
<a name="l01078"></a>01078 <span class="preprocessor">#if CONFIG_VP8_ENCODER</span>
<a name="l01079"></a>01079 <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">"token-parts"</span>, 1,
<a name="l01080"></a>01080 <span class="stringliteral">"Number of token partitions to use, log2"</span>);
<a name="l01081"></a>01081 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t auto_altref = ARG_DEF(NULL, <span class="stringliteral">"auto-alt-ref"</span>, 1,
<a name="l01082"></a>01082 <span class="stringliteral">"Enable automatic alt reference frames"</span>);
<a name="l01083"></a>01083 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t arnr_maxframes = ARG_DEF(NULL, <span class="stringliteral">"arnr-maxframes"</span>, 1,
<a name="l01084"></a>01084 <span class="stringliteral">"AltRef Max Frames"</span>);
<a name="l01085"></a>01085 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t arnr_strength = ARG_DEF(NULL, <span class="stringliteral">"arnr-strength"</span>, 1,
<a name="l01086"></a>01086 <span class="stringliteral">"AltRef Strength"</span>);
<a name="l01087"></a>01087 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t arnr_type = ARG_DEF(NULL, <span class="stringliteral">"arnr-type"</span>, 1,
<a name="l01088"></a>01088 <span class="stringliteral">"AltRef Type"</span>);
<a name="l01089"></a>01089 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">struct </span>arg_enum_list tuning_enum[] = {
<a name="l01090"></a>01090 {<span class="stringliteral">"psnr"</span>, VP8_TUNE_PSNR},
<a name="l01091"></a>01091 {<span class="stringliteral">"ssim"</span>, VP8_TUNE_SSIM},
<a name="l01092"></a>01092 {NULL, 0}
<a name="l01093"></a>01093 };
<a name="l01094"></a>01094 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t tune_ssim = ARG_DEF_ENUM(NULL, <span class="stringliteral">"tune"</span>, 1,
<a name="l01095"></a>01095 <span class="stringliteral">"Material to favor"</span>, tuning_enum);
<a name="l01096"></a>01096 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t cq_level = ARG_DEF(NULL, <span class="stringliteral">"cq-level"</span>, 1,
<a name="l01097"></a>01097 <span class="stringliteral">"Constrained Quality Level"</span>);
<a name="l01098"></a>01098 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t max_intra_rate_pct = ARG_DEF(NULL, <span class="stringliteral">"max-intra-rate"</span>, 1,
<a name="l01099"></a>01099 <span class="stringliteral">"Max I-frame bitrate (pct)"</span>);
<a name="l01100"></a>01100
<a name="l01101"></a>01101 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t *vp8_args[] =
<a name="l01102"></a>01102 {
<a name="l01103"></a>01103 &cpu_used, &auto_altref, &noise_sens, &sharpness, &static_thresh,
<a name="l01104"></a>01104 &token_parts, &arnr_maxframes, &arnr_strength, &arnr_type,
<a name="l01105"></a>01105 &tune_ssim, &cq_level, &max_intra_rate_pct, NULL
<a name="l01106"></a>01106 };
<a name="l01107"></a>01107 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> vp8_arg_ctrl_map[] =
<a name="l01108"></a>01108 {
<a name="l01109"></a>01109 <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>,
<a name="l01110"></a>01110 <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>,
<a name="l01111"></a>01111 <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322eca462a4f14f39a6eb5c4a4004fc8d0ad75">VP8E_SET_TOKEN_PARTITIONS</a>,
<a name="l01112"></a>01112 <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>,
<a name="l01113"></a>01113 <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
<a name="l01114"></a>01114 };
<a name="l01115"></a>01115 <span class="preprocessor">#endif</span>
<a name="l01116"></a>01116 <span class="preprocessor"></span>
<a name="l01117"></a>01117 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t *no_args[] = { NULL };
<a name="l01118"></a>01118
<a name="l01119"></a>01119 <span class="keyword">static</span> <span class="keywordtype">void</span> usage_exit()
<a name="l01120"></a>01120 {
<a name="l01121"></a>01121 <span class="keywordtype">int</span> i;
<a name="l01122"></a>01122
<a name="l01123"></a>01123 fprintf(stderr, <span class="stringliteral">"Usage: %s <options> -o dst_filename src_filename \n"</span>,
<a name="l01124"></a>01124 exec_name);
<a name="l01125"></a>01125
<a name="l01126"></a>01126 fprintf(stderr, <span class="stringliteral">"\nOptions:\n"</span>);
<a name="l01127"></a>01127 arg_show_usage(stdout, main_args);
<a name="l01128"></a>01128 fprintf(stderr, <span class="stringliteral">"\nEncoder Global Options:\n"</span>);
<a name="l01129"></a>01129 arg_show_usage(stdout, global_args);
<a name="l01130"></a>01130 fprintf(stderr, <span class="stringliteral">"\nRate Control Options:\n"</span>);
<a name="l01131"></a>01131 arg_show_usage(stdout, rc_args);
<a name="l01132"></a>01132 fprintf(stderr, <span class="stringliteral">"\nTwopass Rate Control Options:\n"</span>);
<a name="l01133"></a>01133 arg_show_usage(stdout, rc_twopass_args);
<a name="l01134"></a>01134 fprintf(stderr, <span class="stringliteral">"\nKeyframe Placement Options:\n"</span>);
<a name="l01135"></a>01135 arg_show_usage(stdout, kf_args);
<a name="l01136"></a>01136 <span class="preprocessor">#if CONFIG_VP8_ENCODER</span>
<a name="l01137"></a>01137 <span class="preprocessor"></span> fprintf(stderr, <span class="stringliteral">"\nVP8 Specific Options:\n"</span>);
<a name="l01138"></a>01138 arg_show_usage(stdout, vp8_args);
<a name="l01139"></a>01139 <span class="preprocessor">#endif</span>
<a name="l01140"></a>01140 <span class="preprocessor"></span> fprintf(stderr, <span class="stringliteral">"\nStream timebase (--timebase):\n"</span>
<a name="l01141"></a>01141 <span class="stringliteral">" The desired precision of timestamps in the output, expressed\n"</span>
<a name="l01142"></a>01142 <span class="stringliteral">" in fractional seconds. Default is 1/1000.\n"</span>);
<a name="l01143"></a>01143 fprintf(stderr, <span class="stringliteral">"\n"</span>
<a name="l01144"></a>01144 <span class="stringliteral">"Included encoders:\n"</span>
<a name="l01145"></a>01145 <span class="stringliteral">"\n"</span>);
<a name="l01146"></a>01146
<a name="l01147"></a>01147 <span class="keywordflow">for</span> (i = 0; i < <span class="keyword">sizeof</span>(codecs) / <span class="keyword">sizeof</span>(codecs[0]); i++)
<a name="l01148"></a>01148 fprintf(stderr, <span class="stringliteral">" %-6s - %s\n"</span>,
<a name="l01149"></a>01149 codecs[i].name,
<a name="l01150"></a>01150 <a class="code" href="group__codec.html#ga9eee39f450d8cdcf5aba0e2bda6e5aa8" title="Return the name for a given interface.">vpx_codec_iface_name</a>(codecs[i].iface));
<a name="l01151"></a>01151
<a name="l01152"></a>01152 exit(EXIT_FAILURE);
<a name="l01153"></a>01153 }
<a name="l01154"></a>01154
<a name="l01155"></a>01155
<a name="l01156"></a>01156 <span class="preprocessor">#define HIST_BAR_MAX 40</span>
<a name="l01157"></a>01157 <span class="preprocessor"></span><span class="keyword">struct </span>hist_bucket
<a name="l01158"></a>01158 {
<a name="l01159"></a>01159 <span class="keywordtype">int</span> low, high, count;
<a name="l01160"></a>01160 };
<a name="l01161"></a>01161
<a name="l01162"></a>01162
<a name="l01163"></a>01163 <span class="keyword">static</span> <span class="keywordtype">int</span> merge_hist_buckets(<span class="keyword">struct</span> hist_bucket *bucket,
<a name="l01164"></a>01164 <span class="keywordtype">int</span> *buckets_,
<a name="l01165"></a>01165 <span class="keywordtype">int</span> max_buckets)
<a name="l01166"></a>01166 {
<a name="l01167"></a>01167 <span class="keywordtype">int</span> small_bucket = 0, merge_bucket = INT_MAX, big_bucket=0;
<a name="l01168"></a>01168 <span class="keywordtype">int</span> buckets = *buckets_;
<a name="l01169"></a>01169 <span class="keywordtype">int</span> i;
<a name="l01170"></a>01170
<a name="l01171"></a>01171 <span class="comment">/* Find the extrema for this list of buckets */</span>
<a name="l01172"></a>01172 big_bucket = small_bucket = 0;
<a name="l01173"></a>01173 <span class="keywordflow">for</span>(i=0; i < buckets; i++)
<a name="l01174"></a>01174 {
<a name="l01175"></a>01175 <span class="keywordflow">if</span>(bucket[i].count < bucket[small_bucket].count)
<a name="l01176"></a>01176 small_bucket = i;
<a name="l01177"></a>01177 <span class="keywordflow">if</span>(bucket[i].count > bucket[big_bucket].count)
<a name="l01178"></a>01178 big_bucket = i;
<a name="l01179"></a>01179 }
<a name="l01180"></a>01180
<a name="l01181"></a>01181 <span class="comment">/* If we have too many buckets, merge the smallest with an adjacent</span>
<a name="l01182"></a>01182 <span class="comment"> * bucket.</span>
<a name="l01183"></a>01183 <span class="comment"> */</span>
<a name="l01184"></a>01184 <span class="keywordflow">while</span>(buckets > max_buckets)
<a name="l01185"></a>01185 {
<a name="l01186"></a>01186 <span class="keywordtype">int</span> last_bucket = buckets - 1;
<a name="l01187"></a>01187
<a name="l01188"></a>01188 <span class="comment">// merge the small bucket with an adjacent one.</span>
<a name="l01189"></a>01189 <span class="keywordflow">if</span>(small_bucket == 0)
<a name="l01190"></a>01190 merge_bucket = 1;
<a name="l01191"></a>01191 <span class="keywordflow">else</span> <span class="keywordflow">if</span>(small_bucket == last_bucket)
<a name="l01192"></a>01192 merge_bucket = last_bucket - 1;
<a name="l01193"></a>01193 <span class="keywordflow">else</span> <span class="keywordflow">if</span>(bucket[small_bucket - 1].count < bucket[small_bucket + 1].count)
<a name="l01194"></a>01194 merge_bucket = small_bucket - 1;
<a name="l01195"></a>01195 <span class="keywordflow">else</span>
<a name="l01196"></a>01196 merge_bucket = small_bucket + 1;
<a name="l01197"></a>01197
<a name="l01198"></a>01198 assert(abs(merge_bucket - small_bucket) <= 1);
<a name="l01199"></a>01199 assert(small_bucket < buckets);
<a name="l01200"></a>01200 assert(big_bucket < buckets);
<a name="l01201"></a>01201 assert(merge_bucket < buckets);
<a name="l01202"></a>01202
<a name="l01203"></a>01203 <span class="keywordflow">if</span>(merge_bucket < small_bucket)
<a name="l01204"></a>01204 {
<a name="l01205"></a>01205 bucket[merge_bucket].high = bucket[small_bucket].high;
<a name="l01206"></a>01206 bucket[merge_bucket].count += bucket[small_bucket].count;
<a name="l01207"></a>01207 }
<a name="l01208"></a>01208 <span class="keywordflow">else</span>
<a name="l01209"></a>01209 {
<a name="l01210"></a>01210 bucket[small_bucket].high = bucket[merge_bucket].high;
<a name="l01211"></a>01211 bucket[small_bucket].count += bucket[merge_bucket].count;
<a name="l01212"></a>01212 merge_bucket = small_bucket;
<a name="l01213"></a>01213 }
<a name="l01214"></a>01214
<a name="l01215"></a>01215 assert(bucket[merge_bucket].low != bucket[merge_bucket].high);
<a name="l01216"></a>01216
<a name="l01217"></a>01217 buckets--;
<a name="l01218"></a>01218
<a name="l01219"></a>01219 <span class="comment">/* Remove the merge_bucket from the list, and find the new small</span>
<a name="l01220"></a>01220 <span class="comment"> * and big buckets while we're at it</span>
<a name="l01221"></a>01221 <span class="comment"> */</span>
<a name="l01222"></a>01222 big_bucket = small_bucket = 0;
<a name="l01223"></a>01223 <span class="keywordflow">for</span>(i=0; i < buckets; i++)
<a name="l01224"></a>01224 {
<a name="l01225"></a>01225 <span class="keywordflow">if</span>(i > merge_bucket)
<a name="l01226"></a>01226 bucket[i] = bucket[i+1];
<a name="l01227"></a>01227
<a name="l01228"></a>01228 <span class="keywordflow">if</span>(bucket[i].count < bucket[small_bucket].count)
<a name="l01229"></a>01229 small_bucket = i;
<a name="l01230"></a>01230 <span class="keywordflow">if</span>(bucket[i].count > bucket[big_bucket].count)
<a name="l01231"></a>01231 big_bucket = i;
<a name="l01232"></a>01232 }
<a name="l01233"></a>01233
<a name="l01234"></a>01234 }
<a name="l01235"></a>01235
<a name="l01236"></a>01236 *buckets_ = buckets;
<a name="l01237"></a>01237 <span class="keywordflow">return</span> bucket[big_bucket].count;
<a name="l01238"></a>01238 }
<a name="l01239"></a>01239
<a name="l01240"></a>01240
<a name="l01241"></a>01241 <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,
<a name="l01242"></a>01242 <span class="keywordtype">int</span> buckets,
<a name="l01243"></a>01243 <span class="keywordtype">int</span> total,
<a name="l01244"></a>01244 <span class="keywordtype">int</span> scale)
<a name="l01245"></a>01245 {
<a name="l01246"></a>01246 <span class="keyword">const</span> <span class="keywordtype">char</span> *pat1, *pat2;
<a name="l01247"></a>01247 <span class="keywordtype">int</span> i;
<a name="l01248"></a>01248
<a name="l01249"></a>01249 <span class="keywordflow">switch</span>((<span class="keywordtype">int</span>)(log(bucket[buckets-1].high)/log(10))+1)
<a name="l01250"></a>01250 {
<a name="l01251"></a>01251 <span class="keywordflow">case</span> 1:
<a name="l01252"></a>01252 <span class="keywordflow">case</span> 2:
<a name="l01253"></a>01253 pat1 = <span class="stringliteral">"%4d %2s: "</span>;
<a name="l01254"></a>01254 pat2 = <span class="stringliteral">"%4d-%2d: "</span>;
<a name="l01255"></a>01255 <span class="keywordflow">break</span>;
<a name="l01256"></a>01256 <span class="keywordflow">case</span> 3:
<a name="l01257"></a>01257 pat1 = <span class="stringliteral">"%5d %3s: "</span>;
<a name="l01258"></a>01258 pat2 = <span class="stringliteral">"%5d-%3d: "</span>;
<a name="l01259"></a>01259 <span class="keywordflow">break</span>;
<a name="l01260"></a>01260 <span class="keywordflow">case</span> 4:
<a name="l01261"></a>01261 pat1 = <span class="stringliteral">"%6d %4s: "</span>;
<a name="l01262"></a>01262 pat2 = <span class="stringliteral">"%6d-%4d: "</span>;
<a name="l01263"></a>01263 <span class="keywordflow">break</span>;
<a name="l01264"></a>01264 <span class="keywordflow">case</span> 5:
<a name="l01265"></a>01265 pat1 = <span class="stringliteral">"%7d %5s: "</span>;
<a name="l01266"></a>01266 pat2 = <span class="stringliteral">"%7d-%5d: "</span>;
<a name="l01267"></a>01267 <span class="keywordflow">break</span>;
<a name="l01268"></a>01268 <span class="keywordflow">case</span> 6:
<a name="l01269"></a>01269 pat1 = <span class="stringliteral">"%8d %6s: "</span>;
<a name="l01270"></a>01270 pat2 = <span class="stringliteral">"%8d-%6d: "</span>;
<a name="l01271"></a>01271 <span class="keywordflow">break</span>;
<a name="l01272"></a>01272 <span class="keywordflow">case</span> 7:
<a name="l01273"></a>01273 pat1 = <span class="stringliteral">"%9d %7s: "</span>;
<a name="l01274"></a>01274 pat2 = <span class="stringliteral">"%9d-%7d: "</span>;
<a name="l01275"></a>01275 <span class="keywordflow">break</span>;
<a name="l01276"></a>01276 <span class="keywordflow">default</span>:
<a name="l01277"></a>01277 pat1 = <span class="stringliteral">"%12d %10s: "</span>;
<a name="l01278"></a>01278 pat2 = <span class="stringliteral">"%12d-%10d: "</span>;
<a name="l01279"></a>01279 <span class="keywordflow">break</span>;
<a name="l01280"></a>01280 }
<a name="l01281"></a>01281
<a name="l01282"></a>01282 <span class="keywordflow">for</span>(i=0; i<buckets; i++)
<a name="l01283"></a>01283 {
<a name="l01284"></a>01284 <span class="keywordtype">int</span> len;
<a name="l01285"></a>01285 <span class="keywordtype">int</span> j;
<a name="l01286"></a>01286 <span class="keywordtype">float</span> pct;
<a name="l01287"></a>01287
<a name="l01288"></a>01288 pct = 100.0 * (float)bucket[i].count / (<span class="keywordtype">float</span>)total;
<a name="l01289"></a>01289 len = HIST_BAR_MAX * bucket[i].count / scale;
<a name="l01290"></a>01290 <span class="keywordflow">if</span>(len < 1)
<a name="l01291"></a>01291 len = 1;
<a name="l01292"></a>01292 assert(len <= HIST_BAR_MAX);
<a name="l01293"></a>01293
<a name="l01294"></a>01294 <span class="keywordflow">if</span>(bucket[i].low == bucket[i].high)
<a name="l01295"></a>01295 fprintf(stderr, pat1, bucket[i].low, <span class="stringliteral">""</span>);
<a name="l01296"></a>01296 <span class="keywordflow">else</span>
<a name="l01297"></a>01297 fprintf(stderr, pat2, bucket[i].low, bucket[i].high);
<a name="l01298"></a>01298
<a name="l01299"></a>01299 <span class="keywordflow">for</span>(j=0; j<HIST_BAR_MAX; j++)
<a name="l01300"></a>01300 fprintf(stderr, j<len?<span class="stringliteral">"="</span>:<span class="stringliteral">" "</span>);
<a name="l01301"></a>01301 fprintf(stderr, <span class="stringliteral">"\t%5d (%6.2f%%)\n"</span>,bucket[i].count,pct);
<a name="l01302"></a>01302 }
<a name="l01303"></a>01303 }
<a name="l01304"></a>01304
<a name="l01305"></a>01305
<a name="l01306"></a>01306 <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)
<a name="l01307"></a>01307 {
<a name="l01308"></a>01308 <span class="keyword">struct </span>hist_bucket bucket[64];
<a name="l01309"></a>01309 <span class="keywordtype">int</span> buckets = 0;
<a name="l01310"></a>01310 <span class="keywordtype">int</span> total = 0;
<a name="l01311"></a>01311 <span class="keywordtype">int</span> scale;
<a name="l01312"></a>01312 <span class="keywordtype">int</span> i;
<a name="l01313"></a>01313
<a name="l01314"></a>01314
<a name="l01315"></a>01315 <span class="keywordflow">for</span>(i=0; i<64; i++)
<a name="l01316"></a>01316 {
<a name="l01317"></a>01317 <span class="keywordflow">if</span>(counts[i])
<a name="l01318"></a>01318 {
<a name="l01319"></a>01319 bucket[buckets].low = bucket[buckets].high = i;
<a name="l01320"></a>01320 bucket[buckets].count = counts[i];
<a name="l01321"></a>01321 buckets++;
<a name="l01322"></a>01322 total += counts[i];
<a name="l01323"></a>01323 }
<a name="l01324"></a>01324 }
<a name="l01325"></a>01325
<a name="l01326"></a>01326 fprintf(stderr, <span class="stringliteral">"\nQuantizer Selection:\n"</span>);
<a name="l01327"></a>01327 scale = merge_hist_buckets(bucket, &buckets, max_buckets);
<a name="l01328"></a>01328 show_histogram(bucket, buckets, total, scale);
<a name="l01329"></a>01329 }
<a name="l01330"></a>01330
<a name="l01331"></a>01331
<a name="l01332"></a>01332 <span class="preprocessor">#define RATE_BINS (100)</span>
<a name="l01333"></a>01333 <span class="preprocessor"></span><span class="keyword">struct </span>rate_hist
<a name="l01334"></a>01334 {
<a name="l01335"></a>01335 int64_t *pts;
<a name="l01336"></a>01336 <span class="keywordtype">int</span> *sz;
<a name="l01337"></a>01337 <span class="keywordtype">int</span> samples;
<a name="l01338"></a>01338 <span class="keywordtype">int</span> frames;
<a name="l01339"></a>01339 <span class="keyword">struct </span>hist_bucket bucket[RATE_BINS];
<a name="l01340"></a>01340 <span class="keywordtype">int</span> total;
<a name="l01341"></a>01341 };
<a name="l01342"></a>01342
<a name="l01343"></a>01343
<a name="l01344"></a>01344 <span class="keyword">static</span> <span class="keywordtype">void</span> init_rate_histogram(<span class="keyword">struct</span> rate_hist *hist,
<a name="l01345"></a>01345 <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,
<a name="l01346"></a>01346 <span class="keyword">const</span> <a class="code" href="structvpx__rational.html" title="Rational Number.">vpx_rational_t</a> *fps)
<a name="l01347"></a>01347 {
<a name="l01348"></a>01348 <span class="keywordtype">int</span> i;
<a name="l01349"></a>01349
<a name="l01350"></a>01350 <span class="comment">/* Determine the number of samples in the buffer. Use the file's framerate</span>
<a name="l01351"></a>01351 <span class="comment"> * to determine the number of frames in rc_buf_sz milliseconds, with an</span>
<a name="l01352"></a>01352 <span class="comment"> * adjustment (5/4) to account for alt-refs</span>
<a name="l01353"></a>01353 <span class="comment"> */</span>
<a name="l01354"></a>01354 hist->samples = cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a61866272bb588cd86d28834f420430f0" title="Decoder Buffer Size.">rc_buf_sz</a> * 5 / 4 * fps-><a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a> / fps-><a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a> / 1000;
<a name="l01355"></a>01355
<a name="l01356"></a>01356 <span class="comment">// prevent division by zero</span>
<a name="l01357"></a>01357 <span class="keywordflow">if</span> (hist->samples == 0)
<a name="l01358"></a>01358 hist->samples=1;
<a name="l01359"></a>01359
<a name="l01360"></a>01360 hist->pts = calloc(hist->samples, <span class="keyword">sizeof</span>(*hist->pts));
<a name="l01361"></a>01361 hist->sz = calloc(hist->samples, <span class="keyword">sizeof</span>(*hist->sz));
<a name="l01362"></a>01362 <span class="keywordflow">for</span>(i=0; i<RATE_BINS; i++)
<a name="l01363"></a>01363 {
<a name="l01364"></a>01364 hist->bucket[i].low = INT_MAX;
<a name="l01365"></a>01365 hist->bucket[i].high = 0;
<a name="l01366"></a>01366 hist->bucket[i].count = 0;
<a name="l01367"></a>01367 }
<a name="l01368"></a>01368 }
<a name="l01369"></a>01369
<a name="l01370"></a>01370
<a name="l01371"></a>01371 <span class="keyword">static</span> <span class="keywordtype">void</span> destroy_rate_histogram(<span class="keyword">struct</span> rate_hist *hist)
<a name="l01372"></a>01372 {
<a name="l01373"></a>01373 free(hist->pts);
<a name="l01374"></a>01374 free(hist->sz);
<a name="l01375"></a>01375 }
<a name="l01376"></a>01376
<a name="l01377"></a>01377
<a name="l01378"></a>01378 <span class="keyword">static</span> <span class="keywordtype">void</span> update_rate_histogram(<span class="keyword">struct</span> rate_hist *hist,
<a name="l01379"></a>01379 <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,
<a name="l01380"></a>01380 <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)
<a name="l01381"></a>01381 {
<a name="l01382"></a>01382 <span class="keywordtype">int</span> i, idx;
<a name="l01383"></a>01383 int64_t now, then, sum_sz = 0, avg_bitrate;
<a name="l01384"></a>01384
<a name="l01385"></a>01385 now = pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.pts * 1000
<a name="l01386"></a>01386 * (uint64_t)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> / (uint64_t)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>;
<a name="l01387"></a>01387
<a name="l01388"></a>01388 idx = hist->frames++ % hist->samples;
<a name="l01389"></a>01389 hist->pts[idx] = now;
<a name="l01390"></a>01390 hist->sz[idx] = pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.sz;
<a name="l01391"></a>01391
<a name="l01392"></a>01392 <span class="keywordflow">if</span>(now < cfg->rc_buf_initial_sz)
<a name="l01393"></a>01393 <span class="keywordflow">return</span>;
<a name="l01394"></a>01394
<a name="l01395"></a>01395 then = now;
<a name="l01396"></a>01396
<a name="l01397"></a>01397 <span class="comment">/* Sum the size over the past rc_buf_sz ms */</span>
<a name="l01398"></a>01398 <span class="keywordflow">for</span>(i = hist->frames; i > 0 && hist->frames - i < hist->samples; i--)
<a name="l01399"></a>01399 {
<a name="l01400"></a>01400 <span class="keywordtype">int</span> i_idx = (i-1) % hist->samples;
<a name="l01401"></a>01401
<a name="l01402"></a>01402 then = hist->pts[i_idx];
<a name="l01403"></a>01403 <span class="keywordflow">if</span>(now - then > cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a61866272bb588cd86d28834f420430f0" title="Decoder Buffer Size.">rc_buf_sz</a>)
<a name="l01404"></a>01404 <span class="keywordflow">break</span>;
<a name="l01405"></a>01405 sum_sz += hist->sz[i_idx];
<a name="l01406"></a>01406 }
<a name="l01407"></a>01407
<a name="l01408"></a>01408 <span class="keywordflow">if</span> (now == then)
<a name="l01409"></a>01409 <span class="keywordflow">return</span>;
<a name="l01410"></a>01410
<a name="l01411"></a>01411 avg_bitrate = sum_sz * 8 * 1000 / (now - then);
<a name="l01412"></a>01412 idx = avg_bitrate * (RATE_BINS/2) / (cfg-><a class="code" href="structvpx__codec__enc__cfg.html#ab8339685175d66710f482706cc9f0aed" title="Target data rate.">rc_target_bitrate</a> * 1000);
<a name="l01413"></a>01413 <span class="keywordflow">if</span>(idx < 0)
<a name="l01414"></a>01414 idx = 0;
<a name="l01415"></a>01415 <span class="keywordflow">if</span>(idx > RATE_BINS-1)
<a name="l01416"></a>01416 idx = RATE_BINS-1;
<a name="l01417"></a>01417 <span class="keywordflow">if</span>(hist->bucket[idx].low > avg_bitrate)
<a name="l01418"></a>01418 hist->bucket[idx].low = avg_bitrate;
<a name="l01419"></a>01419 <span class="keywordflow">if</span>(hist->bucket[idx].high < avg_bitrate)
<a name="l01420"></a>01420 hist->bucket[idx].high = avg_bitrate;
<a name="l01421"></a>01421 hist->bucket[idx].count++;
<a name="l01422"></a>01422 hist->total++;
<a name="l01423"></a>01423 }
<a name="l01424"></a>01424
<a name="l01425"></a>01425
<a name="l01426"></a>01426 <span class="keyword">static</span> <span class="keywordtype">void</span> show_rate_histogram(<span class="keyword">struct</span> rate_hist *hist,
<a name="l01427"></a>01427 <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,
<a name="l01428"></a>01428 <span class="keywordtype">int</span> max_buckets)
<a name="l01429"></a>01429 {
<a name="l01430"></a>01430 <span class="keywordtype">int</span> i, scale;
<a name="l01431"></a>01431 <span class="keywordtype">int</span> buckets = 0;
<a name="l01432"></a>01432
<a name="l01433"></a>01433 <span class="keywordflow">for</span>(i = 0; i < RATE_BINS; i++)
<a name="l01434"></a>01434 {
<a name="l01435"></a>01435 <span class="keywordflow">if</span>(hist->bucket[i].low == INT_MAX)
<a name="l01436"></a>01436 <span class="keywordflow">continue</span>;
<a name="l01437"></a>01437 hist->bucket[buckets++] = hist->bucket[i];
<a name="l01438"></a>01438 }
<a name="l01439"></a>01439
<a name="l01440"></a>01440 fprintf(stderr, <span class="stringliteral">"\nRate (over %dms window):\n"</span>, cfg-><a class="code" href="structvpx__codec__enc__cfg.html#a61866272bb588cd86d28834f420430f0" title="Decoder Buffer Size.">rc_buf_sz</a>);
<a name="l01441"></a>01441 scale = merge_hist_buckets(hist->bucket, &buckets, max_buckets);
<a name="l01442"></a>01442 show_histogram(hist->bucket, buckets, hist->total, scale);
<a name="l01443"></a>01443 }
<a name="l01444"></a>01444
<a name="l01445"></a>01445 <span class="preprocessor">#define NELEMENTS(x) (sizeof(x)/sizeof(x[0]))</span>
<a name="l01446"></a>01446 <span class="preprocessor"></span><span class="preprocessor">#define ARG_CTRL_CNT_MAX NELEMENTS(vp8_arg_ctrl_map)</span>
<a name="l01447"></a>01447 <span class="preprocessor"></span>
<a name="l01448"></a>01448 <span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span> **argv_)
<a name="l01449"></a>01449 {
<a name="l01450"></a>01450 <a class="code" href="structvpx__codec__ctx.html" title="Codec context structure.">vpx_codec_ctx_t</a> encoder;
<a name="l01451"></a>01451 <span class="keyword">const</span> <span class="keywordtype">char</span> *in_fn = NULL, *out_fn = NULL, *stats_fn = NULL;
<a name="l01452"></a>01452 <span class="keywordtype">int</span> i;
<a name="l01453"></a>01453 FILE *infile, *outfile;
<a name="l01454"></a>01454 <a class="code" href="structvpx__codec__enc__cfg.html" title="Encoder configuration structure.">vpx_codec_enc_cfg_t</a> cfg;
<a name="l01455"></a>01455 <a class="code" href="group__codec.html#gada1084710837ad363b92f2379dd2b8d2" title="Algorithm return codes.">vpx_codec_err_t</a> res;
<a name="l01456"></a>01456 <span class="keywordtype">int</span> pass, one_pass_only = 0;
<a name="l01457"></a>01457 stats_io_t stats;
<a name="l01458"></a>01458 <a class="code" href="structvpx__image.html" title="Image Descriptor.">vpx_image_t</a> raw;
<a name="l01459"></a>01459 <span class="keyword">const</span> <span class="keyword">struct </span>codec_item *codec = codecs;
<a name="l01460"></a>01460 <span class="keywordtype">int</span> frame_avail, got_data;
<a name="l01461"></a>01461
<a name="l01462"></a>01462 <span class="keyword">struct </span>arg arg;
<a name="l01463"></a>01463 <span class="keywordtype">char</span> **argv, **argi, **argj;
<a name="l01464"></a>01464 <span class="keywordtype">int</span> arg_usage = 0, arg_passes = 1, arg_deadline = 0;
<a name="l01465"></a>01465 <span class="keywordtype">int</span> arg_ctrls[ARG_CTRL_CNT_MAX][2], arg_ctrl_cnt = 0;
<a name="l01466"></a>01466 <span class="keywordtype">int</span> arg_limit = 0;
<a name="l01467"></a>01467 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t **ctrl_args = no_args;
<a name="l01468"></a>01468 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> *ctrl_args_map = NULL;
<a name="l01469"></a>01469 <span class="keywordtype">int</span> verbose = 0, show_psnr = 0;
<a name="l01470"></a>01470 <span class="keywordtype">int</span> arg_use_i420 = 1;
<a name="l01471"></a>01471 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> cx_time = 0;
<a name="l01472"></a>01472 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> file_type, fourcc;
<a name="l01473"></a>01473 y4m_input y4m;
<a name="l01474"></a>01474 <span class="keyword">struct </span><a class="code" href="structvpx__rational.html" title="Rational Number.">vpx_rational</a> arg_framerate = {30, 1};
<a name="l01475"></a>01475 <span class="keywordtype">int</span> arg_have_framerate = 0;
<a name="l01476"></a>01476 <span class="keywordtype">int</span> write_webm = 1;
<a name="l01477"></a>01477 EbmlGlobal ebml = {0};
<a name="l01478"></a>01478 uint32_t hash = 0;
<a name="l01479"></a>01479 uint64_t psnr_sse_total = 0;
<a name="l01480"></a>01480 uint64_t psnr_samples_total = 0;
<a name="l01481"></a>01481 <span class="keywordtype">double</span> psnr_totals[4] = {0, 0, 0, 0};
<a name="l01482"></a>01482 <span class="keywordtype">int</span> psnr_count = 0;
<a name="l01483"></a>01483 stereo_format_t stereo_fmt = STEREO_FORMAT_MONO;
<a name="l01484"></a>01484 <span class="keywordtype">int</span> counts[64]={0};
<a name="l01485"></a>01485 <span class="keywordtype">int</span> show_q_hist_buckets=0;
<a name="l01486"></a>01486 <span class="keywordtype">int</span> show_rate_hist_buckets=0;
<a name="l01487"></a>01487 <span class="keyword">struct </span>rate_hist rate_hist={0};
<a name="l01488"></a>01488
<a name="l01489"></a>01489 exec_name = argv_[0];
<a name="l01490"></a>01490 ebml.last_pts_ms = -1;
<a name="l01491"></a>01491
<a name="l01492"></a>01492 <span class="keywordflow">if</span> (argc < 3)
<a name="l01493"></a>01493 usage_exit();
<a name="l01494"></a>01494
<a name="l01495"></a>01495
<a name="l01496"></a>01496 <span class="comment">/* First parse the codec and usage values, because we want to apply other</span>
<a name="l01497"></a>01497 <span class="comment"> * parameters on top of the default configuration provided by the codec.</span>
<a name="l01498"></a>01498 <span class="comment"> */</span>
<a name="l01499"></a>01499 argv = argv_dup(argc - 1, argv_ + 1);
<a name="l01500"></a>01500
<a name="l01501"></a>01501 <span class="keywordflow">for</span> (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
<a name="l01502"></a>01502 {
<a name="l01503"></a>01503 arg.argv_step = 1;
<a name="l01504"></a>01504
<a name="l01505"></a>01505 <span class="keywordflow">if</span> (arg_match(&arg, &codecarg, argi))
<a name="l01506"></a>01506 {
<a name="l01507"></a>01507 <span class="keywordtype">int</span> j, k = -1;
<a name="l01508"></a>01508
<a name="l01509"></a>01509 <span class="keywordflow">for</span> (j = 0; j < <span class="keyword">sizeof</span>(codecs) / <span class="keyword">sizeof</span>(codecs[0]); j++)
<a name="l01510"></a>01510 <span class="keywordflow">if</span> (!strcmp(codecs[j].name, arg.val))
<a name="l01511"></a>01511 k = j;
<a name="l01512"></a>01512
<a name="l01513"></a>01513 <span class="keywordflow">if</span> (k >= 0)
<a name="l01514"></a>01514 codec = codecs + k;
<a name="l01515"></a>01515 <span class="keywordflow">else</span>
<a name="l01516"></a>01516 die(<span class="stringliteral">"Error: Unrecognized argument (%s) to --codec\n"</span>,
<a name="l01517"></a>01517 arg.val);
<a name="l01518"></a>01518
<a name="l01519"></a>01519 }
<a name="l01520"></a>01520 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &passes, argi))
<a name="l01521"></a>01521 {
<a name="l01522"></a>01522 arg_passes = arg_parse_uint(&arg);
<a name="l01523"></a>01523
<a name="l01524"></a>01524 <span class="keywordflow">if</span> (arg_passes < 1 || arg_passes > 2)
<a name="l01525"></a>01525 die(<span class="stringliteral">"Error: Invalid number of passes (%d)\n"</span>, arg_passes);
<a name="l01526"></a>01526 }
<a name="l01527"></a>01527 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &pass_arg, argi))
<a name="l01528"></a>01528 {
<a name="l01529"></a>01529 one_pass_only = arg_parse_uint(&arg);
<a name="l01530"></a>01530
<a name="l01531"></a>01531 <span class="keywordflow">if</span> (one_pass_only < 1 || one_pass_only > 2)
<a name="l01532"></a>01532 die(<span class="stringliteral">"Error: Invalid pass selected (%d)\n"</span>, one_pass_only);
<a name="l01533"></a>01533 }
<a name="l01534"></a>01534 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &fpf_name, argi))
<a name="l01535"></a>01535 stats_fn = arg.val;
<a name="l01536"></a>01536 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &usage, argi))
<a name="l01537"></a>01537 arg_usage = arg_parse_uint(&arg);
<a name="l01538"></a>01538 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &deadline, argi))
<a name="l01539"></a>01539 arg_deadline = arg_parse_uint(&arg);
<a name="l01540"></a>01540 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &best_dl, argi))
<a name="l01541"></a>01541 arg_deadline = <a class="code" href="group__encoder.html#gab350573bea112f2fdf8e5677db3ac0da">VPX_DL_BEST_QUALITY</a>;
<a name="l01542"></a>01542 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &good_dl, argi))
<a name="l01543"></a>01543 arg_deadline = <a class="code" href="group__encoder.html#ga5d00a9f9e10b9f49ca91e72c1f01c9fd">VPX_DL_GOOD_QUALITY</a>;
<a name="l01544"></a>01544 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &rt_dl, argi))
<a name="l01545"></a>01545 arg_deadline = <a class="code" href="group__encoder.html#ga04253cc9ec1146d72fa8bb86bcf32144">VPX_DL_REALTIME</a>;
<a name="l01546"></a>01546 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &use_yv12, argi))
<a name="l01547"></a>01547 {
<a name="l01548"></a>01548 arg_use_i420 = 0;
<a name="l01549"></a>01549 }
<a name="l01550"></a>01550 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &use_i420, argi))
<a name="l01551"></a>01551 {
<a name="l01552"></a>01552 arg_use_i420 = 1;
<a name="l01553"></a>01553 }
<a name="l01554"></a>01554 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &verbosearg, argi))
<a name="l01555"></a>01555 verbose = 1;
<a name="l01556"></a>01556 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &limit, argi))
<a name="l01557"></a>01557 arg_limit = arg_parse_uint(&arg);
<a name="l01558"></a>01558 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &psnrarg, argi))
<a name="l01559"></a>01559 show_psnr = 1;
<a name="l01560"></a>01560 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &framerate, argi))
<a name="l01561"></a>01561 {
<a name="l01562"></a>01562 arg_framerate = arg_parse_rational(&arg);
<a name="l01563"></a>01563 arg_have_framerate = 1;
<a name="l01564"></a>01564 }
<a name="l01565"></a>01565 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &use_ivf, argi))
<a name="l01566"></a>01566 write_webm = 0;
<a name="l01567"></a>01567 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &outputfile, argi))
<a name="l01568"></a>01568 out_fn = arg.val;
<a name="l01569"></a>01569 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &debugmode, argi))
<a name="l01570"></a>01570 ebml.debug = 1;
<a name="l01571"></a>01571 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &q_hist_n, argi))
<a name="l01572"></a>01572 show_q_hist_buckets = arg_parse_uint(&arg);
<a name="l01573"></a>01573 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &rate_hist_n, argi))
<a name="l01574"></a>01574 show_rate_hist_buckets = arg_parse_uint(&arg);
<a name="l01575"></a>01575 <span class="keywordflow">else</span>
<a name="l01576"></a>01576 argj++;
<a name="l01577"></a>01577 }
<a name="l01578"></a>01578
<a name="l01579"></a>01579 <span class="comment">/* Ensure that --passes and --pass are consistent. If --pass is set and --passes=2,</span>
<a name="l01580"></a>01580 <span class="comment"> * ensure --fpf was set.</span>
<a name="l01581"></a>01581 <span class="comment"> */</span>
<a name="l01582"></a>01582 <span class="keywordflow">if</span> (one_pass_only)
<a name="l01583"></a>01583 {
<a name="l01584"></a>01584 <span class="comment">/* DWIM: Assume the user meant passes=2 if pass=2 is specified */</span>
<a name="l01585"></a>01585 <span class="keywordflow">if</span> (one_pass_only > arg_passes)
<a name="l01586"></a>01586 {
<a name="l01587"></a>01587 fprintf(stderr, <span class="stringliteral">"Warning: Assuming --pass=%d implies --passes=%d\n"</span>,
<a name="l01588"></a>01588 one_pass_only, one_pass_only);
<a name="l01589"></a>01589 arg_passes = one_pass_only;
<a name="l01590"></a>01590 }
<a name="l01591"></a>01591
<a name="l01592"></a>01592 <span class="keywordflow">if</span> (arg_passes == 2 && !stats_fn)
<a name="l01593"></a>01593 die(<span class="stringliteral">"Must specify --fpf when --pass=%d and --passes=2\n"</span>, one_pass_only);
<a name="l01594"></a>01594 }
<a name="l01595"></a>01595
<a name="l01596"></a>01596 <span class="comment">/* Populate encoder configuration */</span>
<a name="l01597"></a>01597 res = <a class="code" href="group__encoder.html#ga9ab8c79623312e9c5d5405d66a788f59" title="Get a default configuration.">vpx_codec_enc_config_default</a>(codec->iface, &cfg, arg_usage);
<a name="l01598"></a>01598
<a name="l01599"></a>01599 <span class="keywordflow">if</span> (res)
<a name="l01600"></a>01600 {
<a name="l01601"></a>01601 fprintf(stderr, <span class="stringliteral">"Failed to get config: %s\n"</span>,
<a name="l01602"></a>01602 <a class="code" href="group__codec.html#gaaddf5c1f609ef18c7c8800d102fcefa6" title="Convert error number to printable string.">vpx_codec_err_to_string</a>(res));
<a name="l01603"></a>01603 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l01604"></a>01604 }
<a name="l01605"></a>01605
<a name="l01606"></a>01606 <span class="comment">/* Change the default timebase to a high enough value so that the encoder</span>
<a name="l01607"></a>01607 <span class="comment"> * will always create strictly increasing timestamps.</span>
<a name="l01608"></a>01608 <span class="comment"> */</span>
<a name="l01609"></a>01609 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;
<a name="l01610"></a>01610
<a name="l01611"></a>01611 <span class="comment">/* Never use the library's default resolution, require it be parsed</span>
<a name="l01612"></a>01612 <span class="comment"> * from the file or set on the command line.</span>
<a name="l01613"></a>01613 <span class="comment"> */</span>
<a name="l01614"></a>01614 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c" title="Width of the frame.">g_w</a> = 0;
<a name="l01615"></a>01615 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e" title="Height of the frame.">g_h</a> = 0;
<a name="l01616"></a>01616
<a name="l01617"></a>01617 <span class="comment">/* Now parse the remainder of the parameters. */</span>
<a name="l01618"></a>01618 <span class="keywordflow">for</span> (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
<a name="l01619"></a>01619 {
<a name="l01620"></a>01620 arg.argv_step = 1;
<a name="l01621"></a>01621
<a name="l01622"></a>01622 <span class="keywordflow">if</span> (0);
<a name="l01623"></a>01623 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &threads, argi))
<a name="l01624"></a>01624 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#aff9d8d458c45c95dd542603210ba2b8b" title="Maximum number of threads to use.">g_threads</a> = arg_parse_uint(&arg);
<a name="l01625"></a>01625 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &profile, argi))
<a name="l01626"></a>01626 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a3d7fe3a8b237338c094d5a956a41804d" title="Bitstream profile to use.">g_profile</a> = arg_parse_uint(&arg);
<a name="l01627"></a>01627 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &width, argi))
<a name="l01628"></a>01628 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c" title="Width of the frame.">g_w</a> = arg_parse_uint(&arg);
<a name="l01629"></a>01629 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &height, argi))
<a name="l01630"></a>01630 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e" title="Height of the frame.">g_h</a> = arg_parse_uint(&arg);
<a name="l01631"></a>01631 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &stereo_mode, argi))
<a name="l01632"></a>01632 stereo_fmt = arg_parse_enum_or_int(&arg);
<a name="l01633"></a>01633 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &timebase, argi))
<a name="l01634"></a>01634 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a6498d378e4c29ef3e22258289e481087" title="Stream timebase units.">g_timebase</a> = arg_parse_rational(&arg);
<a name="l01635"></a>01635 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &error_resilient, argi))
<a name="l01636"></a>01636 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4e17173b66ca0d7dfba9978625d7ba76" title="Enable error resilient modes.">g_error_resilient</a> = arg_parse_uint(&arg);
<a name="l01637"></a>01637 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &lag_in_frames, argi))
<a name="l01638"></a>01638 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a992668d9e30305f3f7ab2672ea31a890" title="Allow lagged encoding.">g_lag_in_frames</a> = arg_parse_uint(&arg);
<a name="l01639"></a>01639 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &dropframe_thresh, argi))
<a name="l01640"></a>01640 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(&arg);
<a name="l01641"></a>01641 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &resize_allowed, argi))
<a name="l01642"></a>01642 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(&arg);
<a name="l01643"></a>01643 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &resize_up_thresh, argi))
<a name="l01644"></a>01644 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a855599c0660f31dfcab4a64996b4f6ad" title="Spatial resampling up watermark.">rc_resize_up_thresh</a> = arg_parse_uint(&arg);
<a name="l01645"></a>01645 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &resize_down_thresh, argi))
<a name="l01646"></a>01646 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a1be7bd7b0eaf1e99b5e4028c37c65488" title="Spatial resampling down watermark.">rc_resize_down_thresh</a> = arg_parse_uint(&arg);
<a name="l01647"></a>01647 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &end_usage, argi))
<a name="l01648"></a>01648 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(&arg);
<a name="l01649"></a>01649 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &target_bitrate, argi))
<a name="l01650"></a>01650 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#ab8339685175d66710f482706cc9f0aed" title="Target data rate.">rc_target_bitrate</a> = arg_parse_uint(&arg);
<a name="l01651"></a>01651 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &min_quantizer, argi))
<a name="l01652"></a>01652 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a1324600e3c63faaa7717e85cf6509dd9" title="Minimum (Best Quality) Quantizer.">rc_min_quantizer</a> = arg_parse_uint(&arg);
<a name="l01653"></a>01653 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &max_quantizer, argi))
<a name="l01654"></a>01654 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a8abdd985d317b720e142335887d737df" title="Maximum (Worst Quality) Quantizer.">rc_max_quantizer</a> = arg_parse_uint(&arg);
<a name="l01655"></a>01655 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &undershoot_pct, argi))
<a name="l01656"></a>01656 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#ad279fbb0a9fe9395340913161e28651a" title="Rate control adaptation undershoot control.">rc_undershoot_pct</a> = arg_parse_uint(&arg);
<a name="l01657"></a>01657 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &overshoot_pct, argi))
<a name="l01658"></a>01658 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4f2fbd015c1b1f395cc4a4b03d4ead5f" title="Rate control adaptation overshoot control.">rc_overshoot_pct</a> = arg_parse_uint(&arg);
<a name="l01659"></a>01659 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &buf_sz, argi))
<a name="l01660"></a>01660 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a61866272bb588cd86d28834f420430f0" title="Decoder Buffer Size.">rc_buf_sz</a> = arg_parse_uint(&arg);
<a name="l01661"></a>01661 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &buf_initial_sz, argi))
<a name="l01662"></a>01662 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#aa9e4d6405994ef42d61d478cf6e0d5e0" title="Decoder Buffer Initial Size.">rc_buf_initial_sz</a> = arg_parse_uint(&arg);
<a name="l01663"></a>01663 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &buf_optimal_sz, argi))
<a name="l01664"></a>01664 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#aafde485867e040a58504ad796e79e47f" title="Decoder Buffer Optimal Size.">rc_buf_optimal_sz</a> = arg_parse_uint(&arg);
<a name="l01665"></a>01665 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &bias_pct, argi))
<a name="l01666"></a>01666 {
<a name="l01667"></a>01667 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(&arg);
<a name="l01668"></a>01668
<a name="l01669"></a>01669 <span class="keywordflow">if</span> (arg_passes < 2)
<a name="l01670"></a>01670 fprintf(stderr,
<a name="l01671"></a>01671 <span class="stringliteral">"Warning: option %s ignored in one-pass mode.\n"</span>,
<a name="l01672"></a>01672 arg.name);
<a name="l01673"></a>01673 }
<a name="l01674"></a>01674 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &minsection_pct, argi))
<a name="l01675"></a>01675 {
<a name="l01676"></a>01676 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(&arg);
<a name="l01677"></a>01677
<a name="l01678"></a>01678 <span class="keywordflow">if</span> (arg_passes < 2)
<a name="l01679"></a>01679 fprintf(stderr,
<a name="l01680"></a>01680 <span class="stringliteral">"Warning: option %s ignored in one-pass mode.\n"</span>,
<a name="l01681"></a>01681 arg.name);
<a name="l01682"></a>01682 }
<a name="l01683"></a>01683 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &maxsection_pct, argi))
<a name="l01684"></a>01684 {
<a name="l01685"></a>01685 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(&arg);
<a name="l01686"></a>01686
<a name="l01687"></a>01687 <span class="keywordflow">if</span> (arg_passes < 2)
<a name="l01688"></a>01688 fprintf(stderr,
<a name="l01689"></a>01689 <span class="stringliteral">"Warning: option %s ignored in one-pass mode.\n"</span>,
<a name="l01690"></a>01690 arg.name);
<a name="l01691"></a>01691 }
<a name="l01692"></a>01692 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &kf_min_dist, argi))
<a name="l01693"></a>01693 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a0a7b5444ecb09745cbe8d5af17553846" title="Keyframe minimum interval.">kf_min_dist</a> = arg_parse_uint(&arg);
<a name="l01694"></a>01694 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &kf_max_dist, argi))
<a name="l01695"></a>01695 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#ae018440136e271743376730413d25a9b" title="Keyframe maximum interval.">kf_max_dist</a> = arg_parse_uint(&arg);
<a name="l01696"></a>01696 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &kf_disabled, argi))
<a name="l01697"></a>01697 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>;
<a name="l01698"></a>01698 <span class="keywordflow">else</span>
<a name="l01699"></a>01699 argj++;
<a name="l01700"></a>01700 }
<a name="l01701"></a>01701
<a name="l01702"></a>01702 <span class="comment">/* Handle codec specific options */</span>
<a name="l01703"></a>01703 <span class="preprocessor">#if CONFIG_VP8_ENCODER</span>
<a name="l01704"></a>01704 <span class="preprocessor"></span>
<a name="l01705"></a>01705 <span class="keywordflow">if</span> (codec->iface == &vpx_codec_vp8_cx_algo)
<a name="l01706"></a>01706 {
<a name="l01707"></a>01707 ctrl_args = vp8_args;
<a name="l01708"></a>01708 ctrl_args_map = vp8_arg_ctrl_map;
<a name="l01709"></a>01709 }
<a name="l01710"></a>01710
<a name="l01711"></a>01711 <span class="preprocessor">#endif</span>
<a name="l01712"></a>01712 <span class="preprocessor"></span>
<a name="l01713"></a>01713 <span class="keywordflow">for</span> (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
<a name="l01714"></a>01714 {
<a name="l01715"></a>01715 <span class="keywordtype">int</span> match = 0;
<a name="l01716"></a>01716
<a name="l01717"></a>01717 arg.argv_step = 1;
<a name="l01718"></a>01718
<a name="l01719"></a>01719 <span class="keywordflow">for</span> (i = 0; ctrl_args[i]; i++)
<a name="l01720"></a>01720 {
<a name="l01721"></a>01721 <span class="keywordflow">if</span> (arg_match(&arg, ctrl_args[i], argi))
<a name="l01722"></a>01722 {
<a name="l01723"></a>01723 <span class="keywordtype">int</span> j;
<a name="l01724"></a>01724 match = 1;
<a name="l01725"></a>01725
<a name="l01726"></a>01726 <span class="comment">/* Point either to the next free element or the first</span>
<a name="l01727"></a>01727 <span class="comment"> * instance of this control.</span>
<a name="l01728"></a>01728 <span class="comment"> */</span>
<a name="l01729"></a>01729 <span class="keywordflow">for</span>(j=0; j<arg_ctrl_cnt; j++)
<a name="l01730"></a>01730 <span class="keywordflow">if</span>(arg_ctrls[j][0] == ctrl_args_map[i])
<a name="l01731"></a>01731 <span class="keywordflow">break</span>;
<a name="l01732"></a>01732
<a name="l01733"></a>01733 <span class="comment">/* Update/insert */</span>
<a name="l01734"></a>01734 assert(j < ARG_CTRL_CNT_MAX);
<a name="l01735"></a>01735 <span class="keywordflow">if</span> (j < ARG_CTRL_CNT_MAX)
<a name="l01736"></a>01736 {
<a name="l01737"></a>01737 arg_ctrls[j][0] = ctrl_args_map[i];
<a name="l01738"></a>01738 arg_ctrls[j][1] = arg_parse_enum_or_int(&arg);
<a name="l01739"></a>01739 <span class="keywordflow">if</span>(j == arg_ctrl_cnt)
<a name="l01740"></a>01740 arg_ctrl_cnt++;
<a name="l01741"></a>01741 }
<a name="l01742"></a>01742
<a name="l01743"></a>01743 }
<a name="l01744"></a>01744 }
<a name="l01745"></a>01745
<a name="l01746"></a>01746 <span class="keywordflow">if</span> (!match)
<a name="l01747"></a>01747 argj++;
<a name="l01748"></a>01748 }
<a name="l01749"></a>01749
<a name="l01750"></a>01750 <span class="comment">/* Check for unrecognized options */</span>
<a name="l01751"></a>01751 <span class="keywordflow">for</span> (argi = argv; *argi; argi++)
<a name="l01752"></a>01752 <span class="keywordflow">if</span> (argi[0][0] == <span class="charliteral">'-'</span> && argi[0][1])
<a name="l01753"></a>01753 die(<span class="stringliteral">"Error: Unrecognized option %s\n"</span>, *argi);
<a name="l01754"></a>01754
<a name="l01755"></a>01755 <span class="comment">/* Handle non-option arguments */</span>
<a name="l01756"></a>01756 in_fn = argv[0];
<a name="l01757"></a>01757
<a name="l01758"></a>01758 <span class="keywordflow">if</span> (!in_fn)
<a name="l01759"></a>01759 usage_exit();
<a name="l01760"></a>01760
<a name="l01761"></a>01761 <span class="keywordflow">if</span>(!out_fn)
<a name="l01762"></a>01762 die(<span class="stringliteral">"Error: Output file is required (specify with -o)\n"</span>);
<a name="l01763"></a>01763
<a name="l01764"></a>01764 memset(&stats, 0, <span class="keyword">sizeof</span>(stats));
<a name="l01765"></a>01765
<a name="l01766"></a>01766 <span class="keywordflow">for</span> (pass = one_pass_only ? one_pass_only - 1 : 0; pass < arg_passes; pass++)
<a name="l01767"></a>01767 {
<a name="l01768"></a>01768 <span class="keywordtype">int</span> frames_in = 0, frames_out = 0;
<a name="l01769"></a>01769 int64_t nbytes = 0;
<a name="l01770"></a>01770 <span class="keyword">struct </span>detect_buffer detect;
<a name="l01771"></a>01771
<a name="l01772"></a>01772 <span class="comment">/* Parse certain options from the input file, if possible */</span>
<a name="l01773"></a>01773 infile = strcmp(in_fn, <span class="stringliteral">"-"</span>) ? fopen(in_fn, <span class="stringliteral">"rb"</span>)
<a name="l01774"></a>01774 : set_binary_mode(stdin);
<a name="l01775"></a>01775
<a name="l01776"></a>01776 <span class="keywordflow">if</span> (!infile)
<a name="l01777"></a>01777 {
<a name="l01778"></a>01778 fprintf(stderr, <span class="stringliteral">"Failed to open input file\n"</span>);
<a name="l01779"></a>01779 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l01780"></a>01780 }
<a name="l01781"></a>01781
<a name="l01782"></a>01782 <span class="comment">/* For RAW input sources, these bytes will applied on the first frame</span>
<a name="l01783"></a>01783 <span class="comment"> * in read_frame().</span>
<a name="l01784"></a>01784 <span class="comment"> */</span>
<a name="l01785"></a>01785 detect.buf_read = fread(detect.buf, 1, 4, infile);
<a name="l01786"></a>01786 detect.position = 0;
<a name="l01787"></a>01787
<a name="l01788"></a>01788 <span class="keywordflow">if</span> (detect.buf_read == 4 && file_is_y4m(infile, &y4m, detect.buf))
<a name="l01789"></a>01789 {
<a name="l01790"></a>01790 <span class="keywordflow">if</span> (y4m_input_open(&y4m, infile, detect.buf, 4) >= 0)
<a name="l01791"></a>01791 {
<a name="l01792"></a>01792 file_type = FILE_TYPE_Y4M;
<a name="l01793"></a>01793 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a5c165f5b41ca1158f2883983a2b7709c" title="Width of the frame.">g_w</a> = y4m.pic_w;
<a name="l01794"></a>01794 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a4132bd89ce85bce7c08f2cc3b6f2b82e" title="Height of the frame.">g_h</a> = y4m.pic_h;
<a name="l01795"></a>01795
<a name="l01796"></a>01796 <span class="comment">/* Use the frame rate from the file only if none was specified</span>
<a name="l01797"></a>01797 <span class="comment"> * on the command-line.</span>
<a name="l01798"></a>01798 <span class="comment"> */</span>
<a name="l01799"></a>01799 <span class="keywordflow">if</span> (!arg_have_framerate)
<a name="l01800"></a>01800 {
<a name="l01801"></a>01801 arg_framerate.<a class="code" href="structvpx__rational.html#ae7774f21a22c9bef3aa73156c79f4731">num</a> = y4m.fps_n;
<a name="l01802"></a>01802 arg_framerate.<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a> = y4m.fps_d;
<a name="l01803"></a>01803 }
<a name="l01804"></a>01804
<a name="l01805"></a>01805 arg_use_i420 = 0;
<a name="l01806"></a>01806 }
<a name="l01807"></a>01807 <span class="keywordflow">else</span>
<a name="l01808"></a>01808 {
<a name="l01809"></a>01809 fprintf(stderr, <span class="stringliteral">"Unsupported Y4M stream.\n"</span>);
<a name="l01810"></a>01810 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l01811"></a>01811 }
<a name="l01812"></a>01812 }
<a name="l01813"></a>01813 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (detect.buf_read == 4 &&
<a name="l01814"></a>01814 file_is_ivf(infile, &fourcc, &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>, &detect))
<a name="l01815"></a>01815 {
<a name="l01816"></a>01816 file_type = FILE_TYPE_IVF;
<a name="l01817"></a>01817 <span class="keywordflow">switch</span> (fourcc)
<a name="l01818"></a>01818 {
<a name="l01819"></a>01819 <span class="keywordflow">case</span> 0x32315659:
<a name="l01820"></a>01820 arg_use_i420 = 0;
<a name="l01821"></a>01821 <span class="keywordflow">break</span>;
<a name="l01822"></a>01822 <span class="keywordflow">case</span> 0x30323449:
<a name="l01823"></a>01823 arg_use_i420 = 1;
<a name="l01824"></a>01824 <span class="keywordflow">break</span>;
<a name="l01825"></a>01825 <span class="keywordflow">default</span>:
<a name="l01826"></a>01826 fprintf(stderr, <span class="stringliteral">"Unsupported fourcc (%08x) in IVF\n"</span>, fourcc);
<a name="l01827"></a>01827 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l01828"></a>01828 }
<a name="l01829"></a>01829 }
<a name="l01830"></a>01830 <span class="keywordflow">else</span>
<a name="l01831"></a>01831 {
<a name="l01832"></a>01832 file_type = FILE_TYPE_RAW;
<a name="l01833"></a>01833 }
<a name="l01834"></a>01834
<a name="l01835"></a>01835 <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>)
<a name="l01836"></a>01836 {
<a name="l01837"></a>01837 fprintf(stderr, <span class="stringliteral">"Specify stream dimensions with --width (-w) "</span>
<a name="l01838"></a>01838 <span class="stringliteral">" and --height (-h).\n"</span>);
<a name="l01839"></a>01839 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l01840"></a>01840 }
<a name="l01841"></a>01841
<a name="l01842"></a>01842 <span class="preprocessor">#define SHOW(field) fprintf(stderr, " %-28s = %d\n", #field, cfg.field)</span>
<a name="l01843"></a>01843 <span class="preprocessor"></span>
<a name="l01844"></a>01844 <span class="keywordflow">if</span> (verbose && pass == 0)
<a name="l01845"></a>01845 {
<a name="l01846"></a>01846 fprintf(stderr, <span class="stringliteral">"Codec: %s\n"</span>, <a class="code" href="group__codec.html#ga9eee39f450d8cdcf5aba0e2bda6e5aa8" title="Return the name for a given interface.">vpx_codec_iface_name</a>(codec->iface));
<a name="l01847"></a>01847 fprintf(stderr, <span class="stringliteral">"Source file: %s Format: %s\n"</span>, in_fn,
<a name="l01848"></a>01848 arg_use_i420 ? <span class="stringliteral">"I420"</span> : <span class="stringliteral">"YV12"</span>);
<a name="l01849"></a>01849 fprintf(stderr, <span class="stringliteral">"Destination file: %s\n"</span>, out_fn);
<a name="l01850"></a>01850 fprintf(stderr, <span class="stringliteral">"Encoder parameters:\n"</span>);
<a name="l01851"></a>01851
<a name="l01852"></a>01852 SHOW(g_usage);
<a name="l01853"></a>01853 SHOW(g_threads);
<a name="l01854"></a>01854 SHOW(g_profile);
<a name="l01855"></a>01855 SHOW(g_w);
<a name="l01856"></a>01856 SHOW(g_h);
<a name="l01857"></a>01857 SHOW(g_timebase.num);
<a name="l01858"></a>01858 SHOW(g_timebase.den);
<a name="l01859"></a>01859 SHOW(g_error_resilient);
<a name="l01860"></a>01860 SHOW(g_pass);
<a name="l01861"></a>01861 SHOW(g_lag_in_frames);
<a name="l01862"></a>01862 SHOW(rc_dropframe_thresh);
<a name="l01863"></a>01863 SHOW(rc_resize_allowed);
<a name="l01864"></a>01864 SHOW(rc_resize_up_thresh);
<a name="l01865"></a>01865 SHOW(rc_resize_down_thresh);
<a name="l01866"></a>01866 SHOW(rc_end_usage);
<a name="l01867"></a>01867 SHOW(rc_target_bitrate);
<a name="l01868"></a>01868 SHOW(rc_min_quantizer);
<a name="l01869"></a>01869 SHOW(rc_max_quantizer);
<a name="l01870"></a>01870 SHOW(rc_undershoot_pct);
<a name="l01871"></a>01871 SHOW(rc_overshoot_pct);
<a name="l01872"></a>01872 SHOW(rc_buf_sz);
<a name="l01873"></a>01873 SHOW(rc_buf_initial_sz);
<a name="l01874"></a>01874 SHOW(rc_buf_optimal_sz);
<a name="l01875"></a>01875 SHOW(rc_2pass_vbr_bias_pct);
<a name="l01876"></a>01876 SHOW(rc_2pass_vbr_minsection_pct);
<a name="l01877"></a>01877 SHOW(rc_2pass_vbr_maxsection_pct);
<a name="l01878"></a>01878 SHOW(kf_mode);
<a name="l01879"></a>01879 SHOW(kf_min_dist);
<a name="l01880"></a>01880 SHOW(kf_max_dist);
<a name="l01881"></a>01881 }
<a name="l01882"></a>01882
<a name="l01883"></a>01883 <span class="keywordflow">if</span>(pass == (one_pass_only ? one_pass_only - 1 : 0)) {
<a name="l01884"></a>01884 <span class="keywordflow">if</span> (file_type == FILE_TYPE_Y4M)
<a name="l01885"></a>01885 <span class="comment">/*The Y4M reader does its own allocation.</span>
<a name="l01886"></a>01886 <span class="comment"> Just initialize this here to avoid problems if we never read any</span>
<a name="l01887"></a>01887 <span class="comment"> frames.*/</span>
<a name="l01888"></a>01888 memset(&raw, 0, <span class="keyword">sizeof</span>(raw));
<a name="l01889"></a>01889 <span class="keywordflow">else</span>
<a name="l01890"></a>01890 <a class="code" href="vpx__image_8h.html#ab80398f28ca880368a922fa979eb66c1" title="Open a descriptor, allocating storage for the underlying image.">vpx_img_alloc</a>(&raw, arg_use_i420 ? <a class="code" href="vpx__image_8h.html#a7a30a7bff7400fb83ad45fede5077193af17ce49c9a6efd7c8c8ea8928d4ce26c">VPX_IMG_FMT_I420</a> : <a class="code" href="vpx__image_8h.html#a7a30a7bff7400fb83ad45fede5077193a6e4e8961bbcf96478c300dc4c3e1dc18">VPX_IMG_FMT_YV12</a>,
<a name="l01891"></a>01891 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);
<a name="l01892"></a>01892
<a name="l01893"></a>01893 init_rate_histogram(&rate_hist, &cfg, &arg_framerate);
<a name="l01894"></a>01894 }
<a name="l01895"></a>01895
<a name="l01896"></a>01896 outfile = strcmp(out_fn, <span class="stringliteral">"-"</span>) ? fopen(out_fn, <span class="stringliteral">"wb"</span>)
<a name="l01897"></a>01897 : set_binary_mode(stdout);
<a name="l01898"></a>01898
<a name="l01899"></a>01899 <span class="keywordflow">if</span> (!outfile)
<a name="l01900"></a>01900 {
<a name="l01901"></a>01901 fprintf(stderr, <span class="stringliteral">"Failed to open output file\n"</span>);
<a name="l01902"></a>01902 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l01903"></a>01903 }
<a name="l01904"></a>01904
<a name="l01905"></a>01905 <span class="keywordflow">if</span>(write_webm && fseek(outfile, 0, SEEK_CUR))
<a name="l01906"></a>01906 {
<a name="l01907"></a>01907 fprintf(stderr, <span class="stringliteral">"WebM output to pipes not supported.\n"</span>);
<a name="l01908"></a>01908 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l01909"></a>01909 }
<a name="l01910"></a>01910
<a name="l01911"></a>01911 <span class="keywordflow">if</span> (stats_fn)
<a name="l01912"></a>01912 {
<a name="l01913"></a>01913 <span class="keywordflow">if</span> (!stats_open_file(&stats, stats_fn, pass))
<a name="l01914"></a>01914 {
<a name="l01915"></a>01915 fprintf(stderr, <span class="stringliteral">"Failed to open statistics store\n"</span>);
<a name="l01916"></a>01916 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l01917"></a>01917 }
<a name="l01918"></a>01918 }
<a name="l01919"></a>01919 <span class="keywordflow">else</span>
<a name="l01920"></a>01920 {
<a name="l01921"></a>01921 <span class="keywordflow">if</span> (!stats_open_mem(&stats, pass))
<a name="l01922"></a>01922 {
<a name="l01923"></a>01923 fprintf(stderr, <span class="stringliteral">"Failed to open statistics store\n"</span>);
<a name="l01924"></a>01924 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l01925"></a>01925 }
<a name="l01926"></a>01926 }
<a name="l01927"></a>01927
<a name="l01928"></a>01928 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a70d62d87aae7d1168746577f14a6dccf" title="Multi-pass Encoding Mode.">g_pass</a> = arg_passes == 2
<a name="l01929"></a>01929 ? 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>
<a name="l01930"></a>01930 : <a class="code" href="group__encoder.html#gga476c5417f9c15a1dc5d3f68fa44c493fa7b6943a41868e8e26a77e9500f139ca1">VPX_RC_ONE_PASS</a>;
<a name="l01931"></a>01931 <span class="preprocessor">#if VPX_ENCODER_ABI_VERSION > (1 + VPX_CODEC_ABI_VERSION)</span>
<a name="l01932"></a>01932 <span class="preprocessor"></span>
<a name="l01933"></a>01933 <span class="keywordflow">if</span> (pass)
<a name="l01934"></a>01934 {
<a name="l01935"></a>01935 cfg.<a class="code" href="structvpx__codec__enc__cfg.html#a618616a07d9d8883c544731957b56f3c" title="Two-pass stats buffer.">rc_twopass_stats_in</a> = stats_get(&stats);
<a name="l01936"></a>01936 }
<a name="l01937"></a>01937
<a name="l01938"></a>01938 <span class="preprocessor">#endif</span>
<a name="l01939"></a>01939 <span class="preprocessor"></span>
<a name="l01940"></a>01940 <span class="keywordflow">if</span>(write_webm)
<a name="l01941"></a>01941 {
<a name="l01942"></a>01942 ebml.stream = outfile;
<a name="l01943"></a>01943 write_webm_file_header(&ebml, &cfg, &arg_framerate, stereo_fmt);
<a name="l01944"></a>01944 }
<a name="l01945"></a>01945 <span class="keywordflow">else</span>
<a name="l01946"></a>01946 write_ivf_file_header(outfile, &cfg, codec->fourcc, 0);
<a name="l01947"></a>01947
<a name="l01948"></a>01948
<a name="l01949"></a>01949 <span class="comment">/* Construct Encoder Context */</span>
<a name="l01950"></a>01950 <a class="code" href="group__encoder.html#ga3d490a2a9a6acd7c9ef82a603155f3cf" title="Convenience macro for vpx_codec_enc_init_ver()">vpx_codec_enc_init</a>(&encoder, codec->iface, &cfg,
<a name="l01951"></a>01951 show_psnr ? <a class="code" href="group__encoder.html#ga57bb9eb1881c7e4bf86580660a5e40a0" title="Initialization-time Feature Enabling.">VPX_CODEC_USE_PSNR</a> : 0);
<a name="l01952"></a>01952 ctx_exit_on_error(&encoder, <span class="stringliteral">"Failed to initialize encoder"</span>);
<a name="l01953"></a>01953
<a name="l01954"></a>01954 <span class="comment">/* Note that we bypass the vpx_codec_control wrapper macro because</span>
<a name="l01955"></a>01955 <span class="comment"> * we're being clever to store the control IDs in an array. Real</span>
<a name="l01956"></a>01956 <span class="comment"> * applications will want to make use of the enumerations directly</span>
<a name="l01957"></a>01957 <span class="comment"> */</span>
<a name="l01958"></a>01958 <span class="keywordflow">for</span> (i = 0; i < arg_ctrl_cnt; i++)
<a name="l01959"></a>01959 {
<a name="l01960"></a>01960 <span class="keywordflow">if</span> (<a class="code" href="group__codec.html#gaf7849b69cc390b21d889c8c71f69ec14" title="Control algorithm.">vpx_codec_control_</a>(&encoder, arg_ctrls[i][0], arg_ctrls[i][1]))
<a name="l01961"></a>01961 fprintf(stderr, <span class="stringliteral">"Error: Tried to set control %d = %d\n"</span>,
<a name="l01962"></a>01962 arg_ctrls[i][0], arg_ctrls[i][1]);
<a name="l01963"></a>01963
<a name="l01964"></a>01964 ctx_exit_on_error(&encoder, <span class="stringliteral">"Failed to control codec"</span>);
<a name="l01965"></a>01965 }
<a name="l01966"></a>01966
<a name="l01967"></a>01967 frame_avail = 1;
<a name="l01968"></a>01968 got_data = 0;
<a name="l01969"></a>01969
<a name="l01970"></a>01970 <span class="keywordflow">while</span> (frame_avail || got_data)
<a name="l01971"></a>01971 {
<a name="l01972"></a>01972 <a class="code" href="group__codec.html#ga6ea348f76b1f8a1fe50e14db684146c6" title="Iterator.">vpx_codec_iter_t</a> iter = NULL;
<a name="l01973"></a>01973 <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;
<a name="l01974"></a>01974 <span class="keyword">struct </span>vpx_usec_timer timer;
<a name="l01975"></a>01975 int64_t frame_start, next_frame_start;
<a name="l01976"></a>01976
<a name="l01977"></a>01977 <span class="keywordflow">if</span> (!arg_limit || frames_in < arg_limit)
<a name="l01978"></a>01978 {
<a name="l01979"></a>01979 frame_avail = read_frame(infile, &raw, file_type, &y4m,
<a name="l01980"></a>01980 &detect);
<a name="l01981"></a>01981
<a name="l01982"></a>01982 <span class="keywordflow">if</span> (frame_avail)
<a name="l01983"></a>01983 frames_in++;
<a name="l01984"></a>01984
<a name="l01985"></a>01985 fprintf(stderr,
<a name="l01986"></a>01986 <span class="stringliteral">"\rPass %d/%d frame %4d/%-4d %7"</span>PRId64<span class="stringliteral">"B \033[K"</span>,
<a name="l01987"></a>01987 pass + 1, arg_passes, frames_in, frames_out, nbytes);
<a name="l01988"></a>01988 }
<a name="l01989"></a>01989 <span class="keywordflow">else</span>
<a name="l01990"></a>01990 frame_avail = 0;
<a name="l01991"></a>01991
<a name="l01992"></a>01992 vpx_usec_timer_start(&timer);
<a name="l01993"></a>01993
<a name="l01994"></a>01994 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)
<a name="l01995"></a>01995 * 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>;
<a name="l01996"></a>01996 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)
<a name="l01997"></a>01997 * arg_framerate.<a class="code" href="structvpx__rational.html#a29dd2ab4001377b3aa21885ef969759f">den</a>)
<a name="l01998"></a>01998 / 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>;
<a name="l01999"></a>01999 <a class="code" href="group__encoder.html#gaf990542e2aeb389f05fae3e9c7803639" title="Encode a frame.">vpx_codec_encode</a>(&encoder, frame_avail ? &raw : NULL, frame_start,
<a name="l02000"></a>02000 next_frame_start - frame_start,
<a name="l02001"></a>02001 0, arg_deadline);
<a name="l02002"></a>02002 vpx_usec_timer_mark(&timer);
<a name="l02003"></a>02003 cx_time += vpx_usec_timer_elapsed(&timer);
<a name="l02004"></a>02004 ctx_exit_on_error(&encoder, <span class="stringliteral">"Failed to encode frame"</span>);
<a name="l02005"></a>02005
<a name="l02006"></a>02006 <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>)
<a name="l02007"></a>02007 {
<a name="l02008"></a>02008 <span class="keywordtype">int</span> q;
<a name="l02009"></a>02009
<a name="l02010"></a>02010 <a class="code" href="group__codec.html#gac1b91e04698c1bd4c0a2b8aa85b08cd2" title="vpx_codec_control wrapper macro">vpx_codec_control</a>(&encoder, <a class="code" href="group__vp8__encoder.html#gga6deae3d561c838952552c3d3756322ecad2cfc9712d2eab30b5a59a60d0daaade">VP8E_GET_LAST_QUANTIZER_64</a>, &q);
<a name="l02011"></a>02011 ctx_exit_on_error(&encoder, <span class="stringliteral">"Failed to read quantizer"</span>);
<a name="l02012"></a>02012 counts[q]++;
<a name="l02013"></a>02013 }
<a name="l02014"></a>02014
<a name="l02015"></a>02015 got_data = 0;
<a name="l02016"></a>02016
<a name="l02017"></a>02017 <span class="keywordflow">while</span> ((pkt = <a class="code" href="group__encoder.html#gae81cab25d66cf3bc59f1f75f8a5af720" title="Encoded data iterator.">vpx_codec_get_cx_data</a>(&encoder, &iter)))
<a name="l02018"></a>02018 {
<a name="l02019"></a>02019 got_data = 1;
<a name="l02020"></a>02020
<a name="l02021"></a>02021 <span class="keywordflow">switch</span> (pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a41f395b39516343c1329a4a85a0084f2">kind</a>)
<a name="l02022"></a>02022 {
<a name="l02023"></a>02023 <span class="keywordflow">case</span> <a class="code" href="group__encoder.html#gga28a79375279536526552af3a83d2ed72a2261aae5594289400e812fb1e6b6b0cc">VPX_CODEC_CX_FRAME_PKT</a>:
<a name="l02024"></a>02024 frames_out++;
<a name="l02025"></a>02025 fprintf(stderr, <span class="stringliteral">" %6luF"</span>,
<a name="l02026"></a>02026 (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.sz);
<a name="l02027"></a>02027
<a name="l02028"></a>02028 update_rate_histogram(&rate_hist, &cfg, pkt);
<a name="l02029"></a>02029 <span class="keywordflow">if</span>(write_webm)
<a name="l02030"></a>02030 {
<a name="l02031"></a>02031 <span class="comment">/* Update the hash */</span>
<a name="l02032"></a>02032 <span class="keywordflow">if</span>(!ebml.debug)
<a name="l02033"></a>02033 hash = murmur(pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.buf,
<a name="l02034"></a>02034 pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.sz, hash);
<a name="l02035"></a>02035
<a name="l02036"></a>02036 write_webm_block(&ebml, &cfg, pkt);
<a name="l02037"></a>02037 }
<a name="l02038"></a>02038 <span class="keywordflow">else</span>
<a name="l02039"></a>02039 {
<a name="l02040"></a>02040 write_ivf_frame_header(outfile, pkt);
<a name="l02041"></a>02041 <span class="keywordflow">if</span>(fwrite(pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.buf, 1,
<a name="l02042"></a>02042 pkt-><a class="code" href="structvpx__codec__cx__pkt.html#a7f97b060a23b7e89fe5b885c0074f696">data</a>.<a class="code" href="structvpx__codec__cx__pkt.html#a81e33bf4408a3983abb16492fee359ff">frame</a>.sz, outfile));
<a name="l02043"></a>02043 }
<a name="l02044"></a>02044 nbytes += pkt-><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>;
<a name="l02045"></a>02045 <span class="keywordflow">break</span>;
<a name="l02046"></a>02046 <span class="keywordflow">case</span> <a class="code" href="group__encoder.html#gga28a79375279536526552af3a83d2ed72a77cd8b95d9891bcce36117f5f31994fd">VPX_CODEC_STATS_PKT</a>:
<a name="l02047"></a>02047 frames_out++;
<a name="l02048"></a>02048 fprintf(stderr, <span class="stringliteral">" %6luS"</span>,
<a name="l02049"></a>02049 (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)pkt-><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>);
<a name="l02050"></a>02050 stats_write(&stats,
<a name="l02051"></a>02051 pkt-><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>,
<a name="l02052"></a>02052 pkt-><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>);
<a name="l02053"></a>02053 nbytes += pkt-><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>;
<a name="l02054"></a>02054 <span class="keywordflow">break</span>;
<a name="l02055"></a>02055 <span class="keywordflow">case</span> <a class="code" href="group__encoder.html#gga28a79375279536526552af3a83d2ed72a11eefa1328e6d22eb7c844645a260628">VPX_CODEC_PSNR_PKT</a>:
<a name="l02056"></a>02056
<a name="l02057"></a>02057 <span class="keywordflow">if</span> (show_psnr)
<a name="l02058"></a>02058 {
<a name="l02059"></a>02059 <span class="keywordtype">int</span> i;
<a name="l02060"></a>02060
<a name="l02061"></a>02061 psnr_sse_total += pkt-><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];
<a name="l02062"></a>02062 psnr_samples_total += pkt-><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];
<a name="l02063"></a>02063 <span class="keywordflow">for</span> (i = 0; i < 4; i++)
<a name="l02064"></a>02064 {
<a name="l02065"></a>02065 fprintf(stderr, <span class="stringliteral">"%.3lf "</span>, pkt-><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]);
<a name="l02066"></a>02066 psnr_totals[i] += pkt-><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];
<a name="l02067"></a>02067 }
<a name="l02068"></a>02068 psnr_count++;
<a name="l02069"></a>02069 }
<a name="l02070"></a>02070
<a name="l02071"></a>02071 <span class="keywordflow">break</span>;
<a name="l02072"></a>02072 <span class="keywordflow">default</span>:
<a name="l02073"></a>02073 <span class="keywordflow">break</span>;
<a name="l02074"></a>02074 }
<a name="l02075"></a>02075 }
<a name="l02076"></a>02076
<a name="l02077"></a>02077 fflush(stdout);
<a name="l02078"></a>02078 }
<a name="l02079"></a>02079
<a name="l02080"></a>02080 fprintf(stderr,
<a name="l02081"></a>02081 <span class="stringliteral">"\rPass %d/%d frame %4d/%-4d %7"</span>PRId64<span class="stringliteral">"B %7lub/f %7"</span>PRId64<span class="stringliteral">"b/s"</span>
<a name="l02082"></a>02082 <span class="stringliteral">" %7lu %s (%.2f fps)\033[K"</span>, pass + 1,
<a name="l02083"></a>02083 arg_passes, frames_in, frames_out, nbytes,
<a name="l02084"></a>02084 frames_in ? (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)(nbytes * 8 / frames_in) : 0,
<a name="l02085"></a>02085 frames_in ? 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 : 0,
<a name="l02086"></a>02086 cx_time > 9999999 ? cx_time / 1000 : cx_time,
<a name="l02087"></a>02087 cx_time > 9999999 ? <span class="stringliteral">"ms"</span> : <span class="stringliteral">"us"</span>,
<a name="l02088"></a>02088 cx_time > 0 ? (<span class="keywordtype">float</span>)frames_in * 1000000.0 / (<span class="keywordtype">float</span>)cx_time : 0);
<a name="l02089"></a>02089
<a name="l02090"></a>02090 <span class="keywordflow">if</span> ( (show_psnr) && (psnr_count>0) )
<a name="l02091"></a>02091 {
<a name="l02092"></a>02092 <span class="keywordtype">int</span> i;
<a name="l02093"></a>02093 <span class="keywordtype">double</span> ovpsnr = vp8_mse2psnr(psnr_samples_total, 255.0,
<a name="l02094"></a>02094 psnr_sse_total);
<a name="l02095"></a>02095
<a name="l02096"></a>02096 fprintf(stderr, <span class="stringliteral">"\nPSNR (Overall/Avg/Y/U/V)"</span>);
<a name="l02097"></a>02097
<a name="l02098"></a>02098 fprintf(stderr, <span class="stringliteral">" %.3lf"</span>, ovpsnr);
<a name="l02099"></a>02099 <span class="keywordflow">for</span> (i = 0; i < 4; i++)
<a name="l02100"></a>02100 {
<a name="l02101"></a>02101 fprintf(stderr, <span class="stringliteral">" %.3lf"</span>, psnr_totals[i]/psnr_count);
<a name="l02102"></a>02102 }
<a name="l02103"></a>02103 }
<a name="l02104"></a>02104
<a name="l02105"></a>02105 <a class="code" href="group__codec.html#ga6ae21d96909660d0ac978b59a863f53b" title="Destroy a codec instance.">vpx_codec_destroy</a>(&encoder);
<a name="l02106"></a>02106
<a name="l02107"></a>02107 fclose(infile);
<a name="l02108"></a>02108 <span class="keywordflow">if</span> (file_type == FILE_TYPE_Y4M)
<a name="l02109"></a>02109 y4m_input_close(&y4m);
<a name="l02110"></a>02110
<a name="l02111"></a>02111 <span class="keywordflow">if</span>(write_webm)
<a name="l02112"></a>02112 {
<a name="l02113"></a>02113 write_webm_file_footer(&ebml, hash);
<a name="l02114"></a>02114 free(ebml.cue_list);
<a name="l02115"></a>02115 ebml.cue_list = NULL;
<a name="l02116"></a>02116 }
<a name="l02117"></a>02117 <span class="keywordflow">else</span>
<a name="l02118"></a>02118 {
<a name="l02119"></a>02119 <span class="keywordflow">if</span> (!fseek(outfile, 0, SEEK_SET))
<a name="l02120"></a>02120 write_ivf_file_header(outfile, &cfg, codec->fourcc, frames_out);
<a name="l02121"></a>02121 }
<a name="l02122"></a>02122
<a name="l02123"></a>02123 fclose(outfile);
<a name="l02124"></a>02124 stats_close(&stats, arg_passes-1);
<a name="l02125"></a>02125 fprintf(stderr, <span class="stringliteral">"\n"</span>);
<a name="l02126"></a>02126
<a name="l02127"></a>02127 <span class="keywordflow">if</span> (one_pass_only)
<a name="l02128"></a>02128 <span class="keywordflow">break</span>;
<a name="l02129"></a>02129 }
<a name="l02130"></a>02130
<a name="l02131"></a>02131 <span class="keywordflow">if</span> (show_q_hist_buckets)
<a name="l02132"></a>02132 show_q_histogram(counts, show_q_hist_buckets);
<a name="l02133"></a>02133
<a name="l02134"></a>02134 <span class="keywordflow">if</span> (show_rate_hist_buckets)
<a name="l02135"></a>02135 show_rate_histogram(&rate_hist, &cfg, show_rate_hist_buckets);
<a name="l02136"></a>02136 destroy_rate_histogram(&rate_hist);
<a name="l02137"></a>02137
<a name="l02138"></a>02138 <a class="code" href="vpx__image_8h.html#af47ebaf286812d037425d41990d48a17" title="Close an image descriptor.">vpx_img_free</a>(&raw);
<a name="l02139"></a>02139 free(argv);
<a name="l02140"></a>02140 <span class="keywordflow">return</span> EXIT_SUCCESS;
<a name="l02141"></a>02141 }
</pre></div> </div></div>
<hr class="footer"/><address class="footer"><small>Generated on Mon Jan 30 2012 for WebM VP8 Codec SDK by 
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