PAL.C.T MINI SHELL
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>WebM VP8 Codec SDK: vpxdec</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<!-- Generated by Doxygen 1.6.1 -->
<div class="navigation" id="top">
<div class="tabs">
<ul>
<li><a href="index.html"><span>Main Page</span></a></li>
<li class="current"><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="annotated.html"><span>Data Structures</span></a></li>
<li><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div class="navpath"><a class="el" href="samples.html">Sample Code</a>
</div>
</div>
<div class="contents">
<h1><a class="anchor" id="example_vpxdec">vpxdec </a></h1><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 reads ivf files and decodes them</span>
<a name="l00013"></a>00013 <span class="comment"> * using the new interface. Decoded frames are output as YV12 raw.</span>
<a name="l00014"></a>00014 <span class="comment"> */</span>
<a name="l00015"></a>00015 <span class="preprocessor">#include <assert.h></span>
<a name="l00016"></a>00016 <span class="preprocessor">#include <stdio.h></span>
<a name="l00017"></a>00017 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00018"></a>00018 <span class="preprocessor">#include <stdarg.h></span>
<a name="l00019"></a>00019 <span class="preprocessor">#include <string.h></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <limits.h></span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#define VPX_CODEC_DISABLE_COMPAT 1</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#include "vpx_config.h"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="vpx__decoder_8h.html" title="Describes the decoder algorithm interface to applications.">vpx/vpx_decoder.h</a>"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "vpx_ports/vpx_timer.h"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="vp8dx_8h.html" title="Provides definitions for using the VP8 algorithm within the vpx Decoder interface...">vpx/vp8dx.h</a>"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#endif</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#if CONFIG_MD5</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#include "md5_utils.h"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#endif</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#include "tools_common.h"</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include "nestegg/include/nestegg/nestegg.h"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "third_party/libyuv/include/libyuv/scale.h"</span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *exec_name;
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">struct </span>{
<a name="l00039"></a>00039 <span class="keywordtype">char</span> <span class="keyword">const</span> *name;
<a name="l00040"></a>00040 <span class="keyword">const</span> <a class="code" href="group__codec.html#gad654f3da60151f5dfef70aca00ef1e9e" title="Codec interface structure.">vpx_codec_iface_t</a> *(*iface)(void);
<a name="l00041"></a>00041 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fourcc;
<a name="l00042"></a>00042 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fourcc_mask;
<a name="l00043"></a>00043 } ifaces[] = {
<a name="l00044"></a>00044 <span class="preprocessor">#if CONFIG_VP8_DECODER</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span> {<span class="stringliteral">"vp8"</span>, vpx_codec_vp8_dx, VP8_FOURCC_MASK, 0x00FFFFFF},
<a name="l00046"></a>00046 <span class="preprocessor">#endif</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span><span class="preprocessor">#if CONFIG_VP9_DECODER</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span> {<span class="stringliteral">"vp9"</span>, vpx_codec_vp9_dx, VP9_FOURCC_MASK, 0x00FFFFFF},
<a name="l00049"></a>00049 <span class="preprocessor">#endif</span>
<a name="l00050"></a>00050 <span class="preprocessor"></span>};
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="preprocessor">#include "args.h"</span>
<a name="l00053"></a>00053 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t looparg = ARG_DEF(NULL, <span class="stringliteral">"loops"</span>, 1,
<a name="l00054"></a>00054 <span class="stringliteral">"Number of times to decode the file"</span>);
<a name="l00055"></a>00055 <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="l00056"></a>00056 <span class="stringliteral">"Codec to use"</span>);
<a name="l00057"></a>00057 <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="l00058"></a>00058 <span class="stringliteral">"Output raw YV12 frames"</span>);
<a name="l00059"></a>00059 <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="l00060"></a>00060 <span class="stringliteral">"Output raw I420 frames"</span>);
<a name="l00061"></a>00061 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t flipuvarg = ARG_DEF(NULL, <span class="stringliteral">"flipuv"</span>, 0,
<a name="l00062"></a>00062 <span class="stringliteral">"Flip the chroma planes in the output"</span>);
<a name="l00063"></a>00063 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t noblitarg = ARG_DEF(NULL, <span class="stringliteral">"noblit"</span>, 0,
<a name="l00064"></a>00064 <span class="stringliteral">"Don't process the decoded frames"</span>);
<a name="l00065"></a>00065 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t progressarg = ARG_DEF(NULL, <span class="stringliteral">"progress"</span>, 0,
<a name="l00066"></a>00066 <span class="stringliteral">"Show progress after each frame decodes"</span>);
<a name="l00067"></a>00067 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t limitarg = ARG_DEF(NULL, <span class="stringliteral">"limit"</span>, 1,
<a name="l00068"></a>00068 <span class="stringliteral">"Stop decoding after n frames"</span>);
<a name="l00069"></a>00069 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t skiparg = ARG_DEF(NULL, <span class="stringliteral">"skip"</span>, 1,
<a name="l00070"></a>00070 <span class="stringliteral">"Skip the first n input frames"</span>);
<a name="l00071"></a>00071 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t postprocarg = ARG_DEF(NULL, <span class="stringliteral">"postproc"</span>, 0,
<a name="l00072"></a>00072 <span class="stringliteral">"Postprocess decoded frames"</span>);
<a name="l00073"></a>00073 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t summaryarg = ARG_DEF(NULL, <span class="stringliteral">"summary"</span>, 0,
<a name="l00074"></a>00074 <span class="stringliteral">"Show timing summary"</span>);
<a name="l00075"></a>00075 <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="l00076"></a>00076 <span class="stringliteral">"Output file name pattern (see below)"</span>);
<a name="l00077"></a>00077 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t threadsarg = ARG_DEF(<span class="stringliteral">"t"</span>, <span class="stringliteral">"threads"</span>, 1,
<a name="l00078"></a>00078 <span class="stringliteral">"Max threads to use"</span>);
<a name="l00079"></a>00079 <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="l00080"></a>00080 <span class="stringliteral">"Show version string"</span>);
<a name="l00081"></a>00081 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t error_concealment = ARG_DEF(NULL, <span class="stringliteral">"error-concealment"</span>, 0,
<a name="l00082"></a>00082 <span class="stringliteral">"Enable decoder error-concealment"</span>);
<a name="l00083"></a>00083 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t scalearg = ARG_DEF(<span class="stringliteral">"S"</span>, <span class="stringliteral">"scale"</span>, 0,
<a name="l00084"></a>00084 <span class="stringliteral">"Scale output frames uniformly"</span>);
<a name="l00085"></a>00085
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <span class="preprocessor">#if CONFIG_MD5</span>
<a name="l00088"></a>00088 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keyword">const</span> arg_def_t md5arg = ARG_DEF(NULL, <span class="stringliteral">"md5"</span>, 0,
<a name="l00089"></a>00089 <span class="stringliteral">"Compute the MD5 sum of the decoded frame"</span>);
<a name="l00090"></a>00090 <span class="preprocessor">#endif</span>
<a name="l00091"></a>00091 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keyword">const</span> arg_def_t *all_args[] = {
<a name="l00092"></a>00092 &codecarg, &use_yv12, &use_i420, &flipuvarg, &noblitarg,
<a name="l00093"></a>00093 &progressarg, &limitarg, &skiparg, &postprocarg, &summaryarg, &outputfile,
<a name="l00094"></a>00094 &threadsarg, &verbosearg, &scalearg,
<a name="l00095"></a>00095 <span class="preprocessor">#if CONFIG_MD5</span>
<a name="l00096"></a>00096 <span class="preprocessor"></span> &md5arg,
<a name="l00097"></a>00097 <span class="preprocessor">#endif</span>
<a name="l00098"></a>00098 <span class="preprocessor"></span> &error_concealment,
<a name="l00099"></a>00099 NULL
<a name="l00100"></a>00100 };
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="preprocessor">#if CONFIG_VP8_DECODER</span>
<a name="l00103"></a>00103 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keyword">const</span> arg_def_t addnoise_level = ARG_DEF(NULL, <span class="stringliteral">"noise-level"</span>, 1,
<a name="l00104"></a>00104 <span class="stringliteral">"Enable VP8 postproc add noise"</span>);
<a name="l00105"></a>00105 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t deblock = ARG_DEF(NULL, <span class="stringliteral">"deblock"</span>, 0,
<a name="l00106"></a>00106 <span class="stringliteral">"Enable VP8 deblocking"</span>);
<a name="l00107"></a>00107 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t demacroblock_level = ARG_DEF(NULL, <span class="stringliteral">"demacroblock-level"</span>, 1,
<a name="l00108"></a>00108 <span class="stringliteral">"Enable VP8 demacroblocking, w/ level"</span>);
<a name="l00109"></a>00109 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t pp_debug_info = ARG_DEF(NULL, <span class="stringliteral">"pp-debug-info"</span>, 1,
<a name="l00110"></a>00110 <span class="stringliteral">"Enable VP8 visible debug info"</span>);
<a name="l00111"></a>00111 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t pp_disp_ref_frame = ARG_DEF(NULL, <span class="stringliteral">"pp-dbg-ref-frame"</span>, 1,
<a name="l00112"></a>00112 <span class="stringliteral">"Display only selected reference frame per macro block"</span>);
<a name="l00113"></a>00113 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t pp_disp_mb_modes = ARG_DEF(NULL, <span class="stringliteral">"pp-dbg-mb-modes"</span>, 1,
<a name="l00114"></a>00114 <span class="stringliteral">"Display only selected macro block modes"</span>);
<a name="l00115"></a>00115 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t pp_disp_b_modes = ARG_DEF(NULL, <span class="stringliteral">"pp-dbg-b-modes"</span>, 1,
<a name="l00116"></a>00116 <span class="stringliteral">"Display only selected block modes"</span>);
<a name="l00117"></a>00117 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t pp_disp_mvs = ARG_DEF(NULL, <span class="stringliteral">"pp-dbg-mvs"</span>, 1,
<a name="l00118"></a>00118 <span class="stringliteral">"Draw only selected motion vectors"</span>);
<a name="l00119"></a>00119 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t mfqe = ARG_DEF(NULL, <span class="stringliteral">"mfqe"</span>, 0,
<a name="l00120"></a>00120 <span class="stringliteral">"Enable multiframe quality enhancement"</span>);
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="keyword">static</span> <span class="keyword">const</span> arg_def_t *vp8_pp_args[] = {
<a name="l00123"></a>00123 &addnoise_level, &deblock, &demacroblock_level, &pp_debug_info,
<a name="l00124"></a>00124 &pp_disp_ref_frame, &pp_disp_mb_modes, &pp_disp_b_modes, &pp_disp_mvs, &mfqe,
<a name="l00125"></a>00125 NULL
<a name="l00126"></a>00126 };
<a name="l00127"></a>00127 <span class="preprocessor">#endif</span>
<a name="l00128"></a>00128 <span class="preprocessor"></span>
<a name="l00129"></a>00129 <span class="keywordtype">void</span> usage_exit() {
<a name="l00130"></a>00130 <span class="keywordtype">int</span> i;
<a name="l00131"></a>00131
<a name="l00132"></a>00132 fprintf(stderr, <span class="stringliteral">"Usage: %s <options> filename\n\n"</span>
<a name="l00133"></a>00133 <span class="stringliteral">"Options:\n"</span>, exec_name);
<a name="l00134"></a>00134 arg_show_usage(stderr, all_args);
<a name="l00135"></a>00135 <span class="preprocessor">#if CONFIG_VP8_DECODER</span>
<a name="l00136"></a>00136 <span class="preprocessor"></span> fprintf(stderr, <span class="stringliteral">"\nVP8 Postprocessing Options:\n"</span>);
<a name="l00137"></a>00137 arg_show_usage(stderr, vp8_pp_args);
<a name="l00138"></a>00138 <span class="preprocessor">#endif</span>
<a name="l00139"></a>00139 <span class="preprocessor"></span> fprintf(stderr,
<a name="l00140"></a>00140 <span class="stringliteral">"\nOutput File Patterns:\n\n"</span>
<a name="l00141"></a>00141 <span class="stringliteral">" The -o argument specifies the name of the file(s) to "</span>
<a name="l00142"></a>00142 <span class="stringliteral">"write to. If the\n argument does not include any escape "</span>
<a name="l00143"></a>00143 <span class="stringliteral">"characters, the output will be\n written to a single file. "</span>
<a name="l00144"></a>00144 <span class="stringliteral">"Otherwise, the filename will be calculated by\n expanding "</span>
<a name="l00145"></a>00145 <span class="stringliteral">"the following escape characters:\n"</span>);
<a name="l00146"></a>00146 fprintf(stderr,
<a name="l00147"></a>00147 <span class="stringliteral">"\n\t%%w - Frame width"</span>
<a name="l00148"></a>00148 <span class="stringliteral">"\n\t%%h - Frame height"</span>
<a name="l00149"></a>00149 <span class="stringliteral">"\n\t%%<n> - Frame number, zero padded to <n> places (1..9)"</span>
<a name="l00150"></a>00150 <span class="stringliteral">"\n\n Pattern arguments are only supported in conjunction "</span>
<a name="l00151"></a>00151 <span class="stringliteral">"with the --yv12 and\n --i420 options. If the -o option is "</span>
<a name="l00152"></a>00152 <span class="stringliteral">"not specified, the output will be\n directed to stdout.\n"</span>
<a name="l00153"></a>00153 );
<a name="l00154"></a>00154 fprintf(stderr, <span class="stringliteral">"\nIncluded decoders:\n\n"</span>);
<a name="l00155"></a>00155
<a name="l00156"></a>00156 <span class="keywordflow">for</span> (i = 0; i < <span class="keyword">sizeof</span>(ifaces) / <span class="keyword">sizeof</span>(ifaces[0]); i++)
<a name="l00157"></a>00157 fprintf(stderr, <span class="stringliteral">" %-6s - %s\n"</span>,
<a name="l00158"></a>00158 ifaces[i].name,
<a name="l00159"></a>00159 <a class="code" href="group__codec.html#ga9eee39f450d8cdcf5aba0e2bda6e5aa8" title="Return the name for a given interface.">vpx_codec_iface_name</a>(ifaces[i].iface()));
<a name="l00160"></a>00160
<a name="l00161"></a>00161 exit(EXIT_FAILURE);
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163
<a name="l00164"></a>00164 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> mem_get_le16(<span class="keyword">const</span> <span class="keywordtype">void</span> *vmem) {
<a name="l00165"></a>00165 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> val;
<a name="l00166"></a>00166 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *mem = (<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)vmem;
<a name="l00167"></a>00167
<a name="l00168"></a>00168 val = mem[1] << 8;
<a name="l00169"></a>00169 val |= mem[0];
<a name="l00170"></a>00170 <span class="keywordflow">return</span> val;
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> mem_get_le32(<span class="keyword">const</span> <span class="keywordtype">void</span> *vmem) {
<a name="l00174"></a>00174 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> val;
<a name="l00175"></a>00175 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *mem = (<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)vmem;
<a name="l00176"></a>00176
<a name="l00177"></a>00177 val = mem[3] << 24;
<a name="l00178"></a>00178 val |= mem[2] << 16;
<a name="l00179"></a>00179 val |= mem[1] << 8;
<a name="l00180"></a>00180 val |= mem[0];
<a name="l00181"></a>00181 <span class="keywordflow">return</span> val;
<a name="l00182"></a>00182 }
<a name="l00183"></a>00183
<a name="l00184"></a>00184 <span class="keyword">enum</span> file_kind {
<a name="l00185"></a>00185 RAW_FILE,
<a name="l00186"></a>00186 IVF_FILE,
<a name="l00187"></a>00187 WEBM_FILE
<a name="l00188"></a>00188 };
<a name="l00189"></a>00189
<a name="l00190"></a>00190 <span class="keyword">struct </span>input_ctx {
<a name="l00191"></a>00191 <span class="keyword">enum</span> file_kind kind;
<a name="l00192"></a>00192 FILE *infile;
<a name="l00193"></a>00193 nestegg *nestegg_ctx;
<a name="l00194"></a>00194 nestegg_packet *pkt;
<a name="l00195"></a>00195 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> chunk;
<a name="l00196"></a>00196 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> chunks;
<a name="l00197"></a>00197 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> video_track;
<a name="l00198"></a>00198 };
<a name="l00199"></a>00199
<a name="l00200"></a>00200 <span class="preprocessor">#define IVF_FRAME_HDR_SZ (sizeof(uint32_t) + sizeof(uint64_t))</span>
<a name="l00201"></a>00201 <span class="preprocessor"></span><span class="preprocessor">#define RAW_FRAME_HDR_SZ (sizeof(uint32_t))</span>
<a name="l00202"></a>00202 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> read_frame(<span class="keyword">struct</span> input_ctx *input,
<a name="l00203"></a>00203 uint8_t **buf,
<a name="l00204"></a>00204 <span class="keywordtype">size_t</span> *buf_sz,
<a name="l00205"></a>00205 <span class="keywordtype">size_t</span> *buf_alloc_sz) {
<a name="l00206"></a>00206 <span class="keywordtype">char</span> raw_hdr[IVF_FRAME_HDR_SZ];
<a name="l00207"></a>00207 <span class="keywordtype">size_t</span> new_buf_sz;
<a name="l00208"></a>00208 FILE *infile = input->infile;
<a name="l00209"></a>00209 <span class="keyword">enum</span> file_kind kind = input->kind;
<a name="l00210"></a>00210 <span class="keywordflow">if</span> (kind == WEBM_FILE) {
<a name="l00211"></a>00211 <span class="keywordflow">if</span> (input->chunk >= input->chunks) {
<a name="l00212"></a>00212 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> track;
<a name="l00213"></a>00213
<a name="l00214"></a>00214 <span class="keywordflow">do</span> {
<a name="l00215"></a>00215 <span class="comment">/* End of this packet, get another. */</span>
<a name="l00216"></a>00216 <span class="keywordflow">if</span> (input->pkt)
<a name="l00217"></a>00217 nestegg_free_packet(input->pkt);
<a name="l00218"></a>00218
<a name="l00219"></a>00219 <span class="keywordflow">if</span> (nestegg_read_packet(input->nestegg_ctx, &input->pkt) <= 0
<a name="l00220"></a>00220 || nestegg_packet_track(input->pkt, &track))
<a name="l00221"></a>00221 <span class="keywordflow">return</span> 1;
<a name="l00222"></a>00222
<a name="l00223"></a>00223 } <span class="keywordflow">while</span> (track != input->video_track);
<a name="l00224"></a>00224
<a name="l00225"></a>00225 <span class="keywordflow">if</span> (nestegg_packet_count(input->pkt, &input->chunks))
<a name="l00226"></a>00226 <span class="keywordflow">return</span> 1;
<a name="l00227"></a>00227 input->chunk = 0;
<a name="l00228"></a>00228 }
<a name="l00229"></a>00229
<a name="l00230"></a>00230 <span class="keywordflow">if</span> (nestegg_packet_data(input->pkt, input->chunk, buf, buf_sz))
<a name="l00231"></a>00231 <span class="keywordflow">return</span> 1;
<a name="l00232"></a>00232 input->chunk++;
<a name="l00233"></a>00233
<a name="l00234"></a>00234 <span class="keywordflow">return</span> 0;
<a name="l00235"></a>00235 }
<a name="l00236"></a>00236 <span class="comment">/* For both the raw and ivf formats, the frame size is the first 4 bytes</span>
<a name="l00237"></a>00237 <span class="comment"> * of the frame header. We just need to special case on the header</span>
<a name="l00238"></a>00238 <span class="comment"> * size.</span>
<a name="l00239"></a>00239 <span class="comment"> */</span>
<a name="l00240"></a>00240 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (fread(raw_hdr, kind == IVF_FILE
<a name="l00241"></a>00241 ? IVF_FRAME_HDR_SZ : RAW_FRAME_HDR_SZ, 1, infile) != 1) {
<a name="l00242"></a>00242 <span class="keywordflow">if</span> (!feof(infile))
<a name="l00243"></a>00243 fprintf(stderr, <span class="stringliteral">"Failed to read frame size\n"</span>);
<a name="l00244"></a>00244
<a name="l00245"></a>00245 new_buf_sz = 0;
<a name="l00246"></a>00246 } <span class="keywordflow">else</span> {
<a name="l00247"></a>00247 new_buf_sz = mem_get_le32(raw_hdr);
<a name="l00248"></a>00248
<a name="l00249"></a>00249 <span class="keywordflow">if</span> (new_buf_sz > 256 * 1024 * 1024) {
<a name="l00250"></a>00250 fprintf(stderr, <span class="stringliteral">"Error: Read invalid frame size (%u)\n"</span>,
<a name="l00251"></a>00251 (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>)new_buf_sz);
<a name="l00252"></a>00252 new_buf_sz = 0;
<a name="l00253"></a>00253 }
<a name="l00254"></a>00254
<a name="l00255"></a>00255 <span class="keywordflow">if</span> (kind == RAW_FILE && new_buf_sz > 256 * 1024)
<a name="l00256"></a>00256 fprintf(stderr, <span class="stringliteral">"Warning: Read invalid frame size (%u)"</span>
<a name="l00257"></a>00257 <span class="stringliteral">" - not a raw file?\n"</span>, (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>)new_buf_sz);
<a name="l00258"></a>00258
<a name="l00259"></a>00259 <span class="keywordflow">if</span> (new_buf_sz > *buf_alloc_sz) {
<a name="l00260"></a>00260 uint8_t *new_buf = realloc(*buf, 2 * new_buf_sz);
<a name="l00261"></a>00261
<a name="l00262"></a>00262 <span class="keywordflow">if</span> (new_buf) {
<a name="l00263"></a>00263 *buf = new_buf;
<a name="l00264"></a>00264 *buf_alloc_sz = 2 * new_buf_sz;
<a name="l00265"></a>00265 } <span class="keywordflow">else</span> {
<a name="l00266"></a>00266 fprintf(stderr, <span class="stringliteral">"Failed to allocate compressed data buffer\n"</span>);
<a name="l00267"></a>00267 new_buf_sz = 0;
<a name="l00268"></a>00268 }
<a name="l00269"></a>00269 }
<a name="l00270"></a>00270 }
<a name="l00271"></a>00271
<a name="l00272"></a>00272 *buf_sz = new_buf_sz;
<a name="l00273"></a>00273
<a name="l00274"></a>00274 <span class="keywordflow">if</span> (!feof(infile)) {
<a name="l00275"></a>00275 <span class="keywordflow">if</span> (fread(*buf, 1, *buf_sz, infile) != *buf_sz) {
<a name="l00276"></a>00276 fprintf(stderr, <span class="stringliteral">"Failed to read full frame\n"</span>);
<a name="l00277"></a>00277 <span class="keywordflow">return</span> 1;
<a name="l00278"></a>00278 }
<a name="l00279"></a>00279
<a name="l00280"></a>00280 <span class="keywordflow">return</span> 0;
<a name="l00281"></a>00281 }
<a name="l00282"></a>00282
<a name="l00283"></a>00283 <span class="keywordflow">return</span> 1;
<a name="l00284"></a>00284 }
<a name="l00285"></a>00285
<a name="l00286"></a>00286 <span class="keywordtype">void</span> *out_open(<span class="keyword">const</span> <span class="keywordtype">char</span> *out_fn, <span class="keywordtype">int</span> do_md5) {
<a name="l00287"></a>00287 <span class="keywordtype">void</span> *out = NULL;
<a name="l00288"></a>00288
<a name="l00289"></a>00289 <span class="keywordflow">if</span> (do_md5) {
<a name="l00290"></a>00290 <span class="preprocessor">#if CONFIG_MD5</span>
<a name="l00291"></a>00291 <span class="preprocessor"></span> MD5Context *md5_ctx = out = malloc(<span class="keyword">sizeof</span>(MD5Context));
<a name="l00292"></a>00292 (void)out_fn;
<a name="l00293"></a>00293 MD5Init(md5_ctx);
<a name="l00294"></a>00294 <span class="preprocessor">#endif</span>
<a name="l00295"></a>00295 <span class="preprocessor"></span> } <span class="keywordflow">else</span> {
<a name="l00296"></a>00296 FILE *outfile = out = strcmp(<span class="stringliteral">"-"</span>, out_fn) ? fopen(out_fn, <span class="stringliteral">"wb"</span>)
<a name="l00297"></a>00297 : set_binary_mode(stdout);
<a name="l00298"></a>00298
<a name="l00299"></a>00299 <span class="keywordflow">if</span> (!outfile) {
<a name="l00300"></a>00300 fprintf(stderr, <span class="stringliteral">"Failed to output file"</span>);
<a name="l00301"></a>00301 exit(EXIT_FAILURE);
<a name="l00302"></a>00302 }
<a name="l00303"></a>00303 }
<a name="l00304"></a>00304
<a name="l00305"></a>00305 <span class="keywordflow">return</span> out;
<a name="l00306"></a>00306 }
<a name="l00307"></a>00307
<a name="l00308"></a>00308 <span class="keywordtype">void</span> out_put(<span class="keywordtype">void</span> *out, <span class="keyword">const</span> uint8_t *buf, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> len, <span class="keywordtype">int</span> do_md5) {
<a name="l00309"></a>00309 <span class="keywordflow">if</span> (do_md5) {
<a name="l00310"></a>00310 <span class="preprocessor">#if CONFIG_MD5</span>
<a name="l00311"></a>00311 <span class="preprocessor"></span> MD5Update(out, buf, len);
<a name="l00312"></a>00312 <span class="preprocessor">#endif</span>
<a name="l00313"></a>00313 <span class="preprocessor"></span> } <span class="keywordflow">else</span> {
<a name="l00314"></a>00314 (void) fwrite(buf, 1, len, out);
<a name="l00315"></a>00315 }
<a name="l00316"></a>00316 }
<a name="l00317"></a>00317
<a name="l00318"></a>00318 <span class="keywordtype">void</span> out_close(<span class="keywordtype">void</span> *out, <span class="keyword">const</span> <span class="keywordtype">char</span> *out_fn, <span class="keywordtype">int</span> do_md5) {
<a name="l00319"></a>00319 <span class="keywordflow">if</span> (do_md5) {
<a name="l00320"></a>00320 <span class="preprocessor">#if CONFIG_MD5</span>
<a name="l00321"></a>00321 <span class="preprocessor"></span> uint8_t md5[16];
<a name="l00322"></a>00322 <span class="keywordtype">int</span> i;
<a name="l00323"></a>00323
<a name="l00324"></a>00324 MD5Final(md5, out);
<a name="l00325"></a>00325 free(out);
<a name="l00326"></a>00326
<a name="l00327"></a>00327 <span class="keywordflow">for</span> (i = 0; i < 16; i++)
<a name="l00328"></a>00328 printf(<span class="stringliteral">"%02x"</span>, md5[i]);
<a name="l00329"></a>00329
<a name="l00330"></a>00330 printf(<span class="stringliteral">" %s\n"</span>, out_fn);
<a name="l00331"></a>00331 <span class="preprocessor">#endif</span>
<a name="l00332"></a>00332 <span class="preprocessor"></span> } <span class="keywordflow">else</span> {
<a name="l00333"></a>00333 fclose(out);
<a name="l00334"></a>00334 }
<a name="l00335"></a>00335 }
<a name="l00336"></a>00336
<a name="l00337"></a>00337 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> file_is_ivf(FILE *infile,
<a name="l00338"></a>00338 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *fourcc,
<a name="l00339"></a>00339 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *width,
<a name="l00340"></a>00340 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *height,
<a name="l00341"></a>00341 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *fps_den,
<a name="l00342"></a>00342 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *fps_num) {
<a name="l00343"></a>00343 <span class="keywordtype">char</span> raw_hdr[32];
<a name="l00344"></a>00344 <span class="keywordtype">int</span> is_ivf = 0;
<a name="l00345"></a>00345
<a name="l00346"></a>00346 <span class="keywordflow">if</span> (fread(raw_hdr, 1, 32, infile) == 32) {
<a name="l00347"></a>00347 <span class="keywordflow">if</span> (raw_hdr[0] == <span class="charliteral">'D'</span> && raw_hdr[1] == <span class="charliteral">'K'</span>
<a name="l00348"></a>00348 && raw_hdr[2] == <span class="charliteral">'I'</span> && raw_hdr[3] == <span class="charliteral">'F'</span>) {
<a name="l00349"></a>00349 is_ivf = 1;
<a name="l00350"></a>00350
<a name="l00351"></a>00351 <span class="keywordflow">if</span> (mem_get_le16(raw_hdr + 4) != 0)
<a name="l00352"></a>00352 fprintf(stderr, <span class="stringliteral">"Error: Unrecognized IVF version! This file may not"</span>
<a name="l00353"></a>00353 <span class="stringliteral">" decode properly."</span>);
<a name="l00354"></a>00354
<a name="l00355"></a>00355 *fourcc = mem_get_le32(raw_hdr + 8);
<a name="l00356"></a>00356 *width = mem_get_le16(raw_hdr + 12);
<a name="l00357"></a>00357 *height = mem_get_le16(raw_hdr + 14);
<a name="l00358"></a>00358 *fps_num = mem_get_le32(raw_hdr + 16);
<a name="l00359"></a>00359 *fps_den = mem_get_le32(raw_hdr + 20);
<a name="l00360"></a>00360
<a name="l00361"></a>00361 <span class="comment">/* Some versions of vpxenc used 1/(2*fps) for the timebase, so</span>
<a name="l00362"></a>00362 <span class="comment"> * we can guess the framerate using only the timebase in this</span>
<a name="l00363"></a>00363 <span class="comment"> * case. Other files would require reading ahead to guess the</span>
<a name="l00364"></a>00364 <span class="comment"> * timebase, like we do for webm.</span>
<a name="l00365"></a>00365 <span class="comment"> */</span>
<a name="l00366"></a>00366 <span class="keywordflow">if</span> (*fps_num < 1000) {
<a name="l00367"></a>00367 <span class="comment">/* Correct for the factor of 2 applied to the timebase in the</span>
<a name="l00368"></a>00368 <span class="comment"> * encoder.</span>
<a name="l00369"></a>00369 <span class="comment"> */</span>
<a name="l00370"></a>00370 <span class="keywordflow">if</span> (*fps_num & 1)*fps_den <<= 1;
<a name="l00371"></a>00371 <span class="keywordflow">else</span> *fps_num >>= 1;
<a name="l00372"></a>00372 } <span class="keywordflow">else</span> {
<a name="l00373"></a>00373 <span class="comment">/* Don't know FPS for sure, and don't have readahead code</span>
<a name="l00374"></a>00374 <span class="comment"> * (yet?), so just default to 30fps.</span>
<a name="l00375"></a>00375 <span class="comment"> */</span>
<a name="l00376"></a>00376 *fps_num = 30;
<a name="l00377"></a>00377 *fps_den = 1;
<a name="l00378"></a>00378 }
<a name="l00379"></a>00379 }
<a name="l00380"></a>00380 }
<a name="l00381"></a>00381
<a name="l00382"></a>00382 <span class="keywordflow">if</span> (!is_ivf)
<a name="l00383"></a>00383 rewind(infile);
<a name="l00384"></a>00384
<a name="l00385"></a>00385 <span class="keywordflow">return</span> is_ivf;
<a name="l00386"></a>00386 }
<a name="l00387"></a>00387
<a name="l00388"></a>00388
<a name="l00389"></a>00389 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> file_is_raw(FILE *infile,
<a name="l00390"></a>00390 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *fourcc,
<a name="l00391"></a>00391 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *width,
<a name="l00392"></a>00392 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *height,
<a name="l00393"></a>00393 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *fps_den,
<a name="l00394"></a>00394 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *fps_num) {
<a name="l00395"></a>00395 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> buf[32];
<a name="l00396"></a>00396 <span class="keywordtype">int</span> is_raw = 0;
<a name="l00397"></a>00397 <a class="code" href="structvpx__codec__stream__info.html" title="Stream properties.">vpx_codec_stream_info_t</a> si;
<a name="l00398"></a>00398
<a name="l00399"></a>00399 si.<a class="code" href="structvpx__codec__stream__info.html#a8e5eb38a9042da54a20607f71591ddbf">sz</a> = <span class="keyword">sizeof</span>(si);
<a name="l00400"></a>00400
<a name="l00401"></a>00401 <span class="keywordflow">if</span> (fread(buf, 1, 32, infile) == 32) {
<a name="l00402"></a>00402 <span class="keywordtype">int</span> i;
<a name="l00403"></a>00403
<a name="l00404"></a>00404 <span class="keywordflow">if</span> (mem_get_le32(buf) < 256 * 1024 * 1024)
<a name="l00405"></a>00405 <span class="keywordflow">for</span> (i = 0; i < <span class="keyword">sizeof</span>(ifaces) / <span class="keyword">sizeof</span>(ifaces[0]); i++)
<a name="l00406"></a>00406 <span class="keywordflow">if</span> (!<a class="code" href="group__decoder.html#gadfee4664d644175d5aac1465ef11c4b0" title="Parse stream info from a buffer.">vpx_codec_peek_stream_info</a>(ifaces[i].iface(),
<a name="l00407"></a>00407 buf + 4, 32 - 4, &si)) {
<a name="l00408"></a>00408 is_raw = 1;
<a name="l00409"></a>00409 *fourcc = ifaces[i].fourcc;
<a name="l00410"></a>00410 *width = si.<a class="code" href="structvpx__codec__stream__info.html#a957dbfa83c93d9b3dc08498a6b97c77d">w</a>;
<a name="l00411"></a>00411 *height = si.<a class="code" href="structvpx__codec__stream__info.html#af7a8b114547e434d182c722bdace63a0">h</a>;
<a name="l00412"></a>00412 *fps_num = 30;
<a name="l00413"></a>00413 *fps_den = 1;
<a name="l00414"></a>00414 <span class="keywordflow">break</span>;
<a name="l00415"></a>00415 }
<a name="l00416"></a>00416 }
<a name="l00417"></a>00417
<a name="l00418"></a>00418 rewind(infile);
<a name="l00419"></a>00419 <span class="keywordflow">return</span> is_raw;
<a name="l00420"></a>00420 }
<a name="l00421"></a>00421
<a name="l00422"></a>00422
<a name="l00423"></a>00423 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00424"></a>00424 nestegg_read_cb(<span class="keywordtype">void</span> *buffer, <span class="keywordtype">size_t</span> length, <span class="keywordtype">void</span> *userdata) {
<a name="l00425"></a>00425 FILE *f = userdata;
<a name="l00426"></a>00426
<a name="l00427"></a>00427 <span class="keywordflow">if</span> (fread(buffer, 1, length, f) < length) {
<a name="l00428"></a>00428 <span class="keywordflow">if</span> (ferror(f))
<a name="l00429"></a>00429 <span class="keywordflow">return</span> -1;
<a name="l00430"></a>00430 <span class="keywordflow">if</span> (feof(f))
<a name="l00431"></a>00431 <span class="keywordflow">return</span> 0;
<a name="l00432"></a>00432 }
<a name="l00433"></a>00433 <span class="keywordflow">return</span> 1;
<a name="l00434"></a>00434 }
<a name="l00435"></a>00435
<a name="l00436"></a>00436
<a name="l00437"></a>00437 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00438"></a>00438 nestegg_seek_cb(int64_t offset, <span class="keywordtype">int</span> whence, <span class="keywordtype">void</span> *userdata) {
<a name="l00439"></a>00439 <span class="keywordflow">switch</span> (whence) {
<a name="l00440"></a>00440 <span class="keywordflow">case</span> NESTEGG_SEEK_SET:
<a name="l00441"></a>00441 whence = SEEK_SET;
<a name="l00442"></a>00442 <span class="keywordflow">break</span>;
<a name="l00443"></a>00443 <span class="keywordflow">case</span> NESTEGG_SEEK_CUR:
<a name="l00444"></a>00444 whence = SEEK_CUR;
<a name="l00445"></a>00445 <span class="keywordflow">break</span>;
<a name="l00446"></a>00446 <span class="keywordflow">case</span> NESTEGG_SEEK_END:
<a name="l00447"></a>00447 whence = SEEK_END;
<a name="l00448"></a>00448 <span class="keywordflow">break</span>;
<a name="l00449"></a>00449 };
<a name="l00450"></a>00450 <span class="keywordflow">return</span> fseek(userdata, (<span class="keywordtype">long</span>)offset, whence) ? -1 : 0;
<a name="l00451"></a>00451 }
<a name="l00452"></a>00452
<a name="l00453"></a>00453
<a name="l00454"></a>00454 <span class="keyword">static</span> int64_t
<a name="l00455"></a>00455 nestegg_tell_cb(<span class="keywordtype">void</span> *userdata) {
<a name="l00456"></a>00456 <span class="keywordflow">return</span> ftell(userdata);
<a name="l00457"></a>00457 }
<a name="l00458"></a>00458
<a name="l00459"></a>00459
<a name="l00460"></a>00460 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00461"></a>00461 nestegg_log_cb(nestegg *context, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> severity, <span class="keywordtype">char</span> <span class="keyword">const</span> *format,
<a name="l00462"></a>00462 ...) {
<a name="l00463"></a>00463 va_list ap;
<a name="l00464"></a>00464
<a name="l00465"></a>00465 va_start(ap, format);
<a name="l00466"></a>00466 vfprintf(stderr, format, ap);
<a name="l00467"></a>00467 fprintf(stderr, <span class="stringliteral">"\n"</span>);
<a name="l00468"></a>00468 va_end(ap);
<a name="l00469"></a>00469 }
<a name="l00470"></a>00470
<a name="l00471"></a>00471
<a name="l00472"></a>00472 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00473"></a>00473 webm_guess_framerate(<span class="keyword">struct</span> input_ctx *input,
<a name="l00474"></a>00474 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *fps_den,
<a name="l00475"></a>00475 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *fps_num) {
<a name="l00476"></a>00476 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;
<a name="l00477"></a>00477 uint64_t tstamp = 0;
<a name="l00478"></a>00478
<a name="l00479"></a>00479 <span class="comment">/* Check to see if we can seek before we parse any data. */</span>
<a name="l00480"></a>00480 <span class="keywordflow">if</span> (nestegg_track_seek(input->nestegg_ctx, input->video_track, 0)) {
<a name="l00481"></a>00481 fprintf(stderr,
<a name="l00482"></a>00482 <span class="stringliteral">"WARNING: Failed to guess framerate (no Cues), set to 30fps.\n"</span>);
<a name="l00483"></a>00483 *fps_num = 30;
<a name="l00484"></a>00484 *fps_den = 1;
<a name="l00485"></a>00485 <span class="keywordflow">return</span> 0;
<a name="l00486"></a>00486 }
<a name="l00487"></a>00487
<a name="l00488"></a>00488 <span class="comment">/* Guess the framerate. Read up to 1 second, or 50 video packets,</span>
<a name="l00489"></a>00489 <span class="comment"> * whichever comes first.</span>
<a name="l00490"></a>00490 <span class="comment"> */</span>
<a name="l00491"></a>00491 <span class="keywordflow">for</span> (i = 0; tstamp < 1000000000 && i < 50;) {
<a name="l00492"></a>00492 nestegg_packet *pkt;
<a name="l00493"></a>00493 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> track;
<a name="l00494"></a>00494
<a name="l00495"></a>00495 <span class="keywordflow">if</span> (nestegg_read_packet(input->nestegg_ctx, &pkt) <= 0)
<a name="l00496"></a>00496 <span class="keywordflow">break</span>;
<a name="l00497"></a>00497
<a name="l00498"></a>00498 nestegg_packet_track(pkt, &track);
<a name="l00499"></a>00499 <span class="keywordflow">if</span> (track == input->video_track) {
<a name="l00500"></a>00500 nestegg_packet_tstamp(pkt, &tstamp);
<a name="l00501"></a>00501 i++;
<a name="l00502"></a>00502 }
<a name="l00503"></a>00503
<a name="l00504"></a>00504 nestegg_free_packet(pkt);
<a name="l00505"></a>00505 }
<a name="l00506"></a>00506
<a name="l00507"></a>00507 <span class="keywordflow">if</span> (nestegg_track_seek(input->nestegg_ctx, input->video_track, 0))
<a name="l00508"></a>00508 <span class="keywordflow">goto</span> fail;
<a name="l00509"></a>00509
<a name="l00510"></a>00510 *fps_num = (i - 1) * 1000000;
<a name="l00511"></a>00511 *fps_den = (<span class="keywordtype">unsigned</span> int)(tstamp / 1000);
<a name="l00512"></a>00512 <span class="keywordflow">return</span> 0;
<a name="l00513"></a>00513 fail:
<a name="l00514"></a>00514 nestegg_destroy(input->nestegg_ctx);
<a name="l00515"></a>00515 input->nestegg_ctx = NULL;
<a name="l00516"></a>00516 rewind(input->infile);
<a name="l00517"></a>00517 <span class="keywordflow">return</span> 1;
<a name="l00518"></a>00518 }
<a name="l00519"></a>00519
<a name="l00520"></a>00520
<a name="l00521"></a>00521 <span class="keyword">static</span> <span class="keywordtype">int</span>
<a name="l00522"></a>00522 file_is_webm(<span class="keyword">struct</span> input_ctx *input,
<a name="l00523"></a>00523 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *fourcc,
<a name="l00524"></a>00524 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *width,
<a name="l00525"></a>00525 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *height,
<a name="l00526"></a>00526 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *fps_den,
<a name="l00527"></a>00527 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *fps_num) {
<a name="l00528"></a>00528 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i, n;
<a name="l00529"></a>00529 <span class="keywordtype">int</span> track_type = -1;
<a name="l00530"></a>00530 <span class="keywordtype">int</span> codec_id;
<a name="l00531"></a>00531
<a name="l00532"></a>00532 nestegg_io io = {nestegg_read_cb, nestegg_seek_cb, nestegg_tell_cb, 0};
<a name="l00533"></a>00533 nestegg_video_params params;
<a name="l00534"></a>00534
<a name="l00535"></a>00535 io.userdata = input->infile;
<a name="l00536"></a>00536 <span class="keywordflow">if</span> (nestegg_init(&input->nestegg_ctx, io, NULL))
<a name="l00537"></a>00537 <span class="keywordflow">goto</span> fail;
<a name="l00538"></a>00538
<a name="l00539"></a>00539 <span class="keywordflow">if</span> (nestegg_track_count(input->nestegg_ctx, &n))
<a name="l00540"></a>00540 <span class="keywordflow">goto</span> fail;
<a name="l00541"></a>00541
<a name="l00542"></a>00542 <span class="keywordflow">for</span> (i = 0; i < n; i++) {
<a name="l00543"></a>00543 track_type = nestegg_track_type(input->nestegg_ctx, i);
<a name="l00544"></a>00544
<a name="l00545"></a>00545 <span class="keywordflow">if</span> (track_type == NESTEGG_TRACK_VIDEO)
<a name="l00546"></a>00546 <span class="keywordflow">break</span>;
<a name="l00547"></a>00547 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (track_type < 0)
<a name="l00548"></a>00548 <span class="keywordflow">goto</span> fail;
<a name="l00549"></a>00549 }
<a name="l00550"></a>00550
<a name="l00551"></a>00551 codec_id = nestegg_track_codec_id(input->nestegg_ctx, i);
<a name="l00552"></a>00552 <span class="keywordflow">if</span> (codec_id == NESTEGG_CODEC_VP8) {
<a name="l00553"></a>00553 *fourcc = VP8_FOURCC_MASK;
<a name="l00554"></a>00554 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (codec_id == NESTEGG_CODEC_VP9) {
<a name="l00555"></a>00555 *fourcc = VP9_FOURCC_MASK;
<a name="l00556"></a>00556 } <span class="keywordflow">else</span> {
<a name="l00557"></a>00557 fprintf(stderr, <span class="stringliteral">"Not VPx video, quitting.\n"</span>);
<a name="l00558"></a>00558 exit(1);
<a name="l00559"></a>00559 }
<a name="l00560"></a>00560
<a name="l00561"></a>00561 input->video_track = i;
<a name="l00562"></a>00562
<a name="l00563"></a>00563 <span class="keywordflow">if</span> (nestegg_track_video_params(input->nestegg_ctx, i, &params))
<a name="l00564"></a>00564 <span class="keywordflow">goto</span> fail;
<a name="l00565"></a>00565
<a name="l00566"></a>00566 *fps_den = 0;
<a name="l00567"></a>00567 *fps_num = 0;
<a name="l00568"></a>00568 *width = params.width;
<a name="l00569"></a>00569 *height = params.height;
<a name="l00570"></a>00570 <span class="keywordflow">return</span> 1;
<a name="l00571"></a>00571 fail:
<a name="l00572"></a>00572 input->nestegg_ctx = NULL;
<a name="l00573"></a>00573 rewind(input->infile);
<a name="l00574"></a>00574 <span class="keywordflow">return</span> 0;
<a name="l00575"></a>00575 }
<a name="l00576"></a>00576
<a name="l00577"></a>00577
<a name="l00578"></a>00578 <span class="keywordtype">void</span> show_progress(<span class="keywordtype">int</span> frame_in, <span class="keywordtype">int</span> frame_out, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> dx_time) {
<a name="l00579"></a>00579 fprintf(stderr, <span class="stringliteral">"%d decoded frames/%d showed frames in %lu us (%.2f fps)\r"</span>,
<a name="l00580"></a>00580 frame_in, frame_out, dx_time,
<a name="l00581"></a>00581 (<span class="keywordtype">float</span>)frame_out * 1000000.0 / (<span class="keywordtype">float</span>)dx_time);
<a name="l00582"></a>00582 }
<a name="l00583"></a>00583
<a name="l00584"></a>00584
<a name="l00585"></a>00585 <span class="keywordtype">void</span> generate_filename(<span class="keyword">const</span> <span class="keywordtype">char</span> *pattern, <span class="keywordtype">char</span> *out, <span class="keywordtype">size_t</span> q_len,
<a name="l00586"></a>00586 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> d_w, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> d_h,
<a name="l00587"></a>00587 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> frame_in) {
<a name="l00588"></a>00588 <span class="keyword">const</span> <span class="keywordtype">char</span> *p = pattern;
<a name="l00589"></a>00589 <span class="keywordtype">char</span> *q = out;
<a name="l00590"></a>00590
<a name="l00591"></a>00591 <span class="keywordflow">do</span> {
<a name="l00592"></a>00592 <span class="keywordtype">char</span> *next_pat = strchr(p, <span class="charliteral">'%'</span>);
<a name="l00593"></a>00593
<a name="l00594"></a>00594 <span class="keywordflow">if</span> (p == next_pat) {
<a name="l00595"></a>00595 <span class="keywordtype">size_t</span> pat_len;
<a name="l00596"></a>00596
<a name="l00597"></a>00597 <span class="comment">/* parse the pattern */</span>
<a name="l00598"></a>00598 q[q_len - 1] = <span class="charliteral">'\0'</span>;
<a name="l00599"></a>00599 <span class="keywordflow">switch</span> (p[1]) {
<a name="l00600"></a>00600 <span class="keywordflow">case</span> <span class="charliteral">'w'</span>:
<a name="l00601"></a>00601 snprintf(q, q_len - 1, <span class="stringliteral">"%d"</span>, d_w);
<a name="l00602"></a>00602 <span class="keywordflow">break</span>;
<a name="l00603"></a>00603 <span class="keywordflow">case</span> <span class="charliteral">'h'</span>:
<a name="l00604"></a>00604 snprintf(q, q_len - 1, <span class="stringliteral">"%d"</span>, d_h);
<a name="l00605"></a>00605 <span class="keywordflow">break</span>;
<a name="l00606"></a>00606 <span class="keywordflow">case</span> <span class="charliteral">'1'</span>:
<a name="l00607"></a>00607 snprintf(q, q_len - 1, <span class="stringliteral">"%d"</span>, frame_in);
<a name="l00608"></a>00608 <span class="keywordflow">break</span>;
<a name="l00609"></a>00609 <span class="keywordflow">case</span> <span class="charliteral">'2'</span>:
<a name="l00610"></a>00610 snprintf(q, q_len - 1, <span class="stringliteral">"%02d"</span>, frame_in);
<a name="l00611"></a>00611 <span class="keywordflow">break</span>;
<a name="l00612"></a>00612 <span class="keywordflow">case</span> <span class="charliteral">'3'</span>:
<a name="l00613"></a>00613 snprintf(q, q_len - 1, <span class="stringliteral">"%03d"</span>, frame_in);
<a name="l00614"></a>00614 <span class="keywordflow">break</span>;
<a name="l00615"></a>00615 <span class="keywordflow">case</span> <span class="charliteral">'4'</span>:
<a name="l00616"></a>00616 snprintf(q, q_len - 1, <span class="stringliteral">"%04d"</span>, frame_in);
<a name="l00617"></a>00617 <span class="keywordflow">break</span>;
<a name="l00618"></a>00618 <span class="keywordflow">case</span> <span class="charliteral">'5'</span>:
<a name="l00619"></a>00619 snprintf(q, q_len - 1, <span class="stringliteral">"%05d"</span>, frame_in);
<a name="l00620"></a>00620 <span class="keywordflow">break</span>;
<a name="l00621"></a>00621 <span class="keywordflow">case</span> <span class="charliteral">'6'</span>:
<a name="l00622"></a>00622 snprintf(q, q_len - 1, <span class="stringliteral">"%06d"</span>, frame_in);
<a name="l00623"></a>00623 <span class="keywordflow">break</span>;
<a name="l00624"></a>00624 <span class="keywordflow">case</span> <span class="charliteral">'7'</span>:
<a name="l00625"></a>00625 snprintf(q, q_len - 1, <span class="stringliteral">"%07d"</span>, frame_in);
<a name="l00626"></a>00626 <span class="keywordflow">break</span>;
<a name="l00627"></a>00627 <span class="keywordflow">case</span> <span class="charliteral">'8'</span>:
<a name="l00628"></a>00628 snprintf(q, q_len - 1, <span class="stringliteral">"%08d"</span>, frame_in);
<a name="l00629"></a>00629 <span class="keywordflow">break</span>;
<a name="l00630"></a>00630 <span class="keywordflow">case</span> <span class="charliteral">'9'</span>:
<a name="l00631"></a>00631 snprintf(q, q_len - 1, <span class="stringliteral">"%09d"</span>, frame_in);
<a name="l00632"></a>00632 <span class="keywordflow">break</span>;
<a name="l00633"></a>00633 <span class="keywordflow">default</span>:
<a name="l00634"></a>00634 die(<span class="stringliteral">"Unrecognized pattern %%%c\n"</span>, p[1]);
<a name="l00635"></a>00635 }
<a name="l00636"></a>00636
<a name="l00637"></a>00637 pat_len = strlen(q);
<a name="l00638"></a>00638 <span class="keywordflow">if</span> (pat_len >= q_len - 1)
<a name="l00639"></a>00639 die(<span class="stringliteral">"Output filename too long.\n"</span>);
<a name="l00640"></a>00640 q += pat_len;
<a name="l00641"></a>00641 p += 2;
<a name="l00642"></a>00642 q_len -= pat_len;
<a name="l00643"></a>00643 } <span class="keywordflow">else</span> {
<a name="l00644"></a>00644 <span class="keywordtype">size_t</span> copy_len;
<a name="l00645"></a>00645
<a name="l00646"></a>00646 <span class="comment">/* copy the next segment */</span>
<a name="l00647"></a>00647 <span class="keywordflow">if</span> (!next_pat)
<a name="l00648"></a>00648 copy_len = strlen(p);
<a name="l00649"></a>00649 <span class="keywordflow">else</span>
<a name="l00650"></a>00650 copy_len = next_pat - p;
<a name="l00651"></a>00651
<a name="l00652"></a>00652 <span class="keywordflow">if</span> (copy_len >= q_len - 1)
<a name="l00653"></a>00653 die(<span class="stringliteral">"Output filename too long.\n"</span>);
<a name="l00654"></a>00654
<a name="l00655"></a>00655 memcpy(q, p, copy_len);
<a name="l00656"></a>00656 q[copy_len] = <span class="charliteral">'\0'</span>;
<a name="l00657"></a>00657 q += copy_len;
<a name="l00658"></a>00658 p += copy_len;
<a name="l00659"></a>00659 q_len -= copy_len;
<a name="l00660"></a>00660 }
<a name="l00661"></a>00661 } <span class="keywordflow">while</span> (*p);
<a name="l00662"></a>00662 }
<a name="l00663"></a>00663
<a name="l00664"></a>00664
<a name="l00665"></a>00665 <span class="keywordtype">int</span> main_loop(<span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span> **argv_) {
<a name="l00666"></a>00666 <a class="code" href="structvpx__codec__ctx.html" title="Codec context structure.">vpx_codec_ctx_t</a> decoder;
<a name="l00667"></a>00667 <span class="keywordtype">char</span> *fn = NULL;
<a name="l00668"></a>00668 <span class="keywordtype">int</span> i;
<a name="l00669"></a>00669 uint8_t *buf = NULL;
<a name="l00670"></a>00670 <span class="keywordtype">size_t</span> buf_sz = 0, buf_alloc_sz = 0;
<a name="l00671"></a>00671 FILE *infile;
<a name="l00672"></a>00672 <span class="keywordtype">int</span> frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0, do_md5 = 0, progress = 0;
<a name="l00673"></a>00673 <span class="keywordtype">int</span> stop_after = 0, postproc = 0, summary = 0, quiet = 1;
<a name="l00674"></a>00674 <span class="keywordtype">int</span> arg_skip = 0;
<a name="l00675"></a>00675 <span class="keywordtype">int</span> ec_enabled = 0;
<a name="l00676"></a>00676 <a class="code" href="group__codec.html#gad654f3da60151f5dfef70aca00ef1e9e" title="Codec interface structure.">vpx_codec_iface_t</a> *iface = NULL;
<a name="l00677"></a>00677 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fourcc;
<a name="l00678"></a>00678 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> dx_time = 0;
<a name="l00679"></a>00679 <span class="keyword">struct </span>arg arg;
<a name="l00680"></a>00680 <span class="keywordtype">char</span> **argv, **argi, **argj;
<a name="l00681"></a>00681 <span class="keyword">const</span> <span class="keywordtype">char</span> *outfile_pattern = 0;
<a name="l00682"></a>00682 <span class="keywordtype">char</span> outfile[PATH_MAX];
<a name="l00683"></a>00683 <span class="keywordtype">int</span> single_file;
<a name="l00684"></a>00684 <span class="keywordtype">int</span> use_y4m = 1;
<a name="l00685"></a>00685 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> width;
<a name="l00686"></a>00686 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> height;
<a name="l00687"></a>00687 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fps_den;
<a name="l00688"></a>00688 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fps_num;
<a name="l00689"></a>00689 <span class="keywordtype">void</span> *out = NULL;
<a name="l00690"></a>00690 <a class="code" href="structvpx__codec__dec__cfg.html" title="Initialization Configurations.">vpx_codec_dec_cfg_t</a> cfg = {0};
<a name="l00691"></a>00691 <span class="preprocessor">#if CONFIG_VP8_DECODER</span>
<a name="l00692"></a>00692 <span class="preprocessor"></span> <a class="code" href="structvp8__postproc__cfg.html" title="post process flags">vp8_postproc_cfg_t</a> vp8_pp_cfg = {0};
<a name="l00693"></a>00693 <span class="keywordtype">int</span> vp8_dbg_color_ref_frame = 0;
<a name="l00694"></a>00694 <span class="keywordtype">int</span> vp8_dbg_color_mb_modes = 0;
<a name="l00695"></a>00695 <span class="keywordtype">int</span> vp8_dbg_color_b_modes = 0;
<a name="l00696"></a>00696 <span class="keywordtype">int</span> vp8_dbg_display_mv = 0;
<a name="l00697"></a>00697 <span class="preprocessor">#endif</span>
<a name="l00698"></a>00698 <span class="preprocessor"></span> <span class="keyword">struct </span>input_ctx input = {0};
<a name="l00699"></a>00699 <span class="keywordtype">int</span> frames_corrupted = 0;
<a name="l00700"></a>00700 <span class="keywordtype">int</span> dec_flags = 0;
<a name="l00701"></a>00701 <span class="keywordtype">int</span> do_scale = 0;
<a name="l00702"></a>00702 <span class="keywordtype">int</span> stream_w = 0, stream_h = 0;
<a name="l00703"></a>00703 <a class="code" href="structvpx__image.html" title="Image Descriptor.">vpx_image_t</a> *scaled_img = NULL;
<a name="l00704"></a>00704 <span class="keywordtype">int</span> frame_avail, got_data;
<a name="l00705"></a>00705
<a name="l00706"></a>00706 <span class="comment">/* Parse command line */</span>
<a name="l00707"></a>00707 exec_name = argv_[0];
<a name="l00708"></a>00708 argv = argv_dup(argc - 1, argv_ + 1);
<a name="l00709"></a>00709
<a name="l00710"></a>00710 <span class="keywordflow">for</span> (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
<a name="l00711"></a>00711 memset(&arg, 0, <span class="keyword">sizeof</span>(arg));
<a name="l00712"></a>00712 arg.argv_step = 1;
<a name="l00713"></a>00713
<a name="l00714"></a>00714 <span class="keywordflow">if</span> (arg_match(&arg, &codecarg, argi)) {
<a name="l00715"></a>00715 <span class="keywordtype">int</span> j, k = -1;
<a name="l00716"></a>00716
<a name="l00717"></a>00717 <span class="keywordflow">for</span> (j = 0; j < <span class="keyword">sizeof</span>(ifaces) / <span class="keyword">sizeof</span>(ifaces[0]); j++)
<a name="l00718"></a>00718 <span class="keywordflow">if</span> (!strcmp(ifaces[j].name, arg.val))
<a name="l00719"></a>00719 k = j;
<a name="l00720"></a>00720
<a name="l00721"></a>00721 <span class="keywordflow">if</span> (k >= 0)
<a name="l00722"></a>00722 iface = ifaces[k].iface();
<a name="l00723"></a>00723 <span class="keywordflow">else</span>
<a name="l00724"></a>00724 die(<span class="stringliteral">"Error: Unrecognized argument (%s) to --codec\n"</span>,
<a name="l00725"></a>00725 arg.val);
<a name="l00726"></a>00726 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &looparg, argi)) {
<a name="l00727"></a>00727 <span class="comment">// no-op</span>
<a name="l00728"></a>00728 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &outputfile, argi))
<a name="l00729"></a>00729 outfile_pattern = arg.val;
<a name="l00730"></a>00730 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &use_yv12, argi)) {
<a name="l00731"></a>00731 use_y4m = 0;
<a name="l00732"></a>00732 flipuv = 1;
<a name="l00733"></a>00733 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &use_i420, argi)) {
<a name="l00734"></a>00734 use_y4m = 0;
<a name="l00735"></a>00735 flipuv = 0;
<a name="l00736"></a>00736 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &flipuvarg, argi))
<a name="l00737"></a>00737 flipuv = 1;
<a name="l00738"></a>00738 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &noblitarg, argi))
<a name="l00739"></a>00739 noblit = 1;
<a name="l00740"></a>00740 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &progressarg, argi))
<a name="l00741"></a>00741 progress = 1;
<a name="l00742"></a>00742 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &limitarg, argi))
<a name="l00743"></a>00743 stop_after = arg_parse_uint(&arg);
<a name="l00744"></a>00744 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &skiparg, argi))
<a name="l00745"></a>00745 arg_skip = arg_parse_uint(&arg);
<a name="l00746"></a>00746 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &postprocarg, argi))
<a name="l00747"></a>00747 postproc = 1;
<a name="l00748"></a>00748 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &md5arg, argi))
<a name="l00749"></a>00749 do_md5 = 1;
<a name="l00750"></a>00750 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &summaryarg, argi))
<a name="l00751"></a>00751 summary = 1;
<a name="l00752"></a>00752 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &threadsarg, argi))
<a name="l00753"></a>00753 cfg.<a class="code" href="structvpx__codec__dec__cfg.html#afca69d81e99ee15e1d641a639aefb7eb">threads</a> = arg_parse_uint(&arg);
<a name="l00754"></a>00754 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &verbosearg, argi))
<a name="l00755"></a>00755 quiet = 0;
<a name="l00756"></a>00756 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &scalearg, argi))
<a name="l00757"></a>00757 do_scale = 1;
<a name="l00758"></a>00758
<a name="l00759"></a>00759 <span class="preprocessor">#if CONFIG_VP8_DECODER</span>
<a name="l00760"></a>00760 <span class="preprocessor"></span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &addnoise_level, argi)) {
<a name="l00761"></a>00761 postproc = 1;
<a name="l00762"></a>00762 vp8_pp_cfg.<a class="code" href="structvp8__postproc__cfg.html#ae9adc230642ac230f39eb4c531cf85e5">post_proc_flag</a> |= VP8_ADDNOISE;
<a name="l00763"></a>00763 vp8_pp_cfg.<a class="code" href="structvp8__postproc__cfg.html#a32f28e4003e5d9bf55d188247f3f156c">noise_level</a> = arg_parse_uint(&arg);
<a name="l00764"></a>00764 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &demacroblock_level, argi)) {
<a name="l00765"></a>00765 postproc = 1;
<a name="l00766"></a>00766 vp8_pp_cfg.<a class="code" href="structvp8__postproc__cfg.html#ae9adc230642ac230f39eb4c531cf85e5">post_proc_flag</a> |= VP8_DEMACROBLOCK;
<a name="l00767"></a>00767 vp8_pp_cfg.<a class="code" href="structvp8__postproc__cfg.html#afe919a9546e79798d840b1492f7e0249">deblocking_level</a> = arg_parse_uint(&arg);
<a name="l00768"></a>00768 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &deblock, argi)) {
<a name="l00769"></a>00769 postproc = 1;
<a name="l00770"></a>00770 vp8_pp_cfg.<a class="code" href="structvp8__postproc__cfg.html#ae9adc230642ac230f39eb4c531cf85e5">post_proc_flag</a> |= VP8_DEBLOCK;
<a name="l00771"></a>00771 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &mfqe, argi)) {
<a name="l00772"></a>00772 postproc = 1;
<a name="l00773"></a>00773 vp8_pp_cfg.<a class="code" href="structvp8__postproc__cfg.html#ae9adc230642ac230f39eb4c531cf85e5">post_proc_flag</a> |= VP8_MFQE;
<a name="l00774"></a>00774 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &pp_debug_info, argi)) {
<a name="l00775"></a>00775 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level = arg_parse_uint(&arg);
<a name="l00776"></a>00776
<a name="l00777"></a>00777 postproc = 1;
<a name="l00778"></a>00778 vp8_pp_cfg.<a class="code" href="structvp8__postproc__cfg.html#ae9adc230642ac230f39eb4c531cf85e5">post_proc_flag</a> &= ~0x7;
<a name="l00779"></a>00779
<a name="l00780"></a>00780 <span class="keywordflow">if</span> (level)
<a name="l00781"></a>00781 vp8_pp_cfg.<a class="code" href="structvp8__postproc__cfg.html#ae9adc230642ac230f39eb4c531cf85e5">post_proc_flag</a> |= level;
<a name="l00782"></a>00782 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &pp_disp_ref_frame, argi)) {
<a name="l00783"></a>00783 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags = arg_parse_int(&arg);
<a name="l00784"></a>00784 <span class="keywordflow">if</span> (flags) {
<a name="l00785"></a>00785 postproc = 1;
<a name="l00786"></a>00786 vp8_dbg_color_ref_frame = flags;
<a name="l00787"></a>00787 }
<a name="l00788"></a>00788 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &pp_disp_mb_modes, argi)) {
<a name="l00789"></a>00789 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags = arg_parse_int(&arg);
<a name="l00790"></a>00790 <span class="keywordflow">if</span> (flags) {
<a name="l00791"></a>00791 postproc = 1;
<a name="l00792"></a>00792 vp8_dbg_color_mb_modes = flags;
<a name="l00793"></a>00793 }
<a name="l00794"></a>00794 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &pp_disp_b_modes, argi)) {
<a name="l00795"></a>00795 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags = arg_parse_int(&arg);
<a name="l00796"></a>00796 <span class="keywordflow">if</span> (flags) {
<a name="l00797"></a>00797 postproc = 1;
<a name="l00798"></a>00798 vp8_dbg_color_b_modes = flags;
<a name="l00799"></a>00799 }
<a name="l00800"></a>00800 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &pp_disp_mvs, argi)) {
<a name="l00801"></a>00801 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags = arg_parse_int(&arg);
<a name="l00802"></a>00802 <span class="keywordflow">if</span> (flags) {
<a name="l00803"></a>00803 postproc = 1;
<a name="l00804"></a>00804 vp8_dbg_display_mv = flags;
<a name="l00805"></a>00805 }
<a name="l00806"></a>00806 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (arg_match(&arg, &error_concealment, argi)) {
<a name="l00807"></a>00807 ec_enabled = 1;
<a name="l00808"></a>00808 }
<a name="l00809"></a>00809
<a name="l00810"></a>00810 <span class="preprocessor">#endif</span>
<a name="l00811"></a>00811 <span class="preprocessor"></span> <span class="keywordflow">else</span>
<a name="l00812"></a>00812 argj++;
<a name="l00813"></a>00813 }
<a name="l00814"></a>00814
<a name="l00815"></a>00815 <span class="comment">/* Check for unrecognized options */</span>
<a name="l00816"></a>00816 <span class="keywordflow">for</span> (argi = argv; *argi; argi++)
<a name="l00817"></a>00817 <span class="keywordflow">if</span> (argi[0][0] == <span class="charliteral">'-'</span> && strlen(argi[0]) > 1)
<a name="l00818"></a>00818 die(<span class="stringliteral">"Error: Unrecognized option %s\n"</span>, *argi);
<a name="l00819"></a>00819
<a name="l00820"></a>00820 <span class="comment">/* Handle non-option arguments */</span>
<a name="l00821"></a>00821 fn = argv[0];
<a name="l00822"></a>00822
<a name="l00823"></a>00823 <span class="keywordflow">if</span> (!fn)
<a name="l00824"></a>00824 usage_exit();
<a name="l00825"></a>00825
<a name="l00826"></a>00826 <span class="comment">/* Open file */</span>
<a name="l00827"></a>00827 infile = strcmp(fn, <span class="stringliteral">"-"</span>) ? fopen(fn, <span class="stringliteral">"rb"</span>) : set_binary_mode(stdin);
<a name="l00828"></a>00828
<a name="l00829"></a>00829 <span class="keywordflow">if</span> (!infile) {
<a name="l00830"></a>00830 fprintf(stderr, <span class="stringliteral">"Failed to open file '%s'"</span>,
<a name="l00831"></a>00831 strcmp(fn, <span class="stringliteral">"-"</span>) ? fn : <span class="stringliteral">"stdin"</span>);
<a name="l00832"></a>00832 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00833"></a>00833 }
<a name="l00834"></a>00834 <span class="preprocessor">#if CONFIG_OS_SUPPORT</span>
<a name="l00835"></a>00835 <span class="preprocessor"></span> <span class="comment">/* Make sure we don't dump to the terminal, unless forced to with -o - */</span>
<a name="l00836"></a>00836 <span class="keywordflow">if</span> (!outfile_pattern && isatty(fileno(stdout)) && !do_md5 && !noblit) {
<a name="l00837"></a>00837 fprintf(stderr,
<a name="l00838"></a>00838 <span class="stringliteral">"Not dumping raw video to your terminal. Use '-o -' to "</span>
<a name="l00839"></a>00839 <span class="stringliteral">"override.\n"</span>);
<a name="l00840"></a>00840 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00841"></a>00841 }
<a name="l00842"></a>00842 <span class="preprocessor">#endif</span>
<a name="l00843"></a>00843 <span class="preprocessor"></span> input.infile = infile;
<a name="l00844"></a>00844 <span class="keywordflow">if</span> (file_is_ivf(infile, &fourcc, &width, &height, &fps_den,
<a name="l00845"></a>00845 &fps_num))
<a name="l00846"></a>00846 input.kind = IVF_FILE;
<a name="l00847"></a>00847 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (file_is_webm(&input, &fourcc, &width, &height, &fps_den, &fps_num))
<a name="l00848"></a>00848 input.kind = WEBM_FILE;
<a name="l00849"></a>00849 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (file_is_raw(infile, &fourcc, &width, &height, &fps_den, &fps_num))
<a name="l00850"></a>00850 input.kind = RAW_FILE;
<a name="l00851"></a>00851 <span class="keywordflow">else</span> {
<a name="l00852"></a>00852 fprintf(stderr, <span class="stringliteral">"Unrecognized input file type.\n"</span>);
<a name="l00853"></a>00853 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00854"></a>00854 }
<a name="l00855"></a>00855
<a name="l00856"></a>00856 <span class="comment">/* If the output file is not set or doesn't have a sequence number in</span>
<a name="l00857"></a>00857 <span class="comment"> * it, then we only open it once.</span>
<a name="l00858"></a>00858 <span class="comment"> */</span>
<a name="l00859"></a>00859 outfile_pattern = outfile_pattern ? outfile_pattern : <span class="stringliteral">"-"</span>;
<a name="l00860"></a>00860 single_file = 1;
<a name="l00861"></a>00861 {
<a name="l00862"></a>00862 <span class="keyword">const</span> <span class="keywordtype">char</span> *p = outfile_pattern;
<a name="l00863"></a>00863 <span class="keywordflow">do</span> {
<a name="l00864"></a>00864 p = strchr(p, <span class="charliteral">'%'</span>);
<a name="l00865"></a>00865 <span class="keywordflow">if</span> (p && p[1] >= <span class="charliteral">'1'</span> && p[1] <= <span class="charliteral">'9'</span>) {
<a name="l00866"></a>00866 <span class="comment">/* pattern contains sequence number, so it's not unique. */</span>
<a name="l00867"></a>00867 single_file = 0;
<a name="l00868"></a>00868 <span class="keywordflow">break</span>;
<a name="l00869"></a>00869 }
<a name="l00870"></a>00870 <span class="keywordflow">if</span> (p)
<a name="l00871"></a>00871 p++;
<a name="l00872"></a>00872 } <span class="keywordflow">while</span> (p);
<a name="l00873"></a>00873 }
<a name="l00874"></a>00874
<a name="l00875"></a>00875 <span class="keywordflow">if</span> (single_file && !noblit) {
<a name="l00876"></a>00876 generate_filename(outfile_pattern, outfile, <span class="keyword">sizeof</span>(outfile) - 1,
<a name="l00877"></a>00877 width, height, 0);
<a name="l00878"></a>00878 out = out_open(outfile, do_md5);
<a name="l00879"></a>00879 }
<a name="l00880"></a>00880
<a name="l00881"></a>00881 <span class="keywordflow">if</span> (use_y4m && !noblit) {
<a name="l00882"></a>00882 <span class="keywordtype">char</span> buffer[128];
<a name="l00883"></a>00883
<a name="l00884"></a>00884 <span class="keywordflow">if</span> (!single_file) {
<a name="l00885"></a>00885 fprintf(stderr, <span class="stringliteral">"YUV4MPEG2 not supported with output patterns,"</span>
<a name="l00886"></a>00886 <span class="stringliteral">" try --i420 or --yv12.\n"</span>);
<a name="l00887"></a>00887 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00888"></a>00888 }
<a name="l00889"></a>00889
<a name="l00890"></a>00890 <span class="keywordflow">if</span> (input.kind == WEBM_FILE)
<a name="l00891"></a>00891 <span class="keywordflow">if</span> (webm_guess_framerate(&input, &fps_den, &fps_num)) {
<a name="l00892"></a>00892 fprintf(stderr, <span class="stringliteral">"Failed to guess framerate -- error parsing "</span>
<a name="l00893"></a>00893 <span class="stringliteral">"webm file?\n"</span>);
<a name="l00894"></a>00894 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00895"></a>00895 }
<a name="l00896"></a>00896
<a name="l00897"></a>00897
<a name="l00898"></a>00898 <span class="comment">/*Note: We can't output an aspect ratio here because IVF doesn't</span>
<a name="l00899"></a>00899 <span class="comment"> store one, and neither does VP8.</span>
<a name="l00900"></a>00900 <span class="comment"> That will have to wait until these tools support WebM natively.*/</span>
<a name="l00901"></a>00901 snprintf(buffer, <span class="keyword">sizeof</span>(buffer), <span class="stringliteral">"YUV4MPEG2 W%u H%u F%u:%u I%c "</span>,
<a name="l00902"></a>00902 width, height, fps_num, fps_den, <span class="charliteral">'p'</span>);
<a name="l00903"></a>00903 out_put(out, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)buffer,
<a name="l00904"></a>00904 (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>)strlen(buffer), do_md5);
<a name="l00905"></a>00905 }
<a name="l00906"></a>00906
<a name="l00907"></a>00907 <span class="comment">/* Try to determine the codec from the fourcc. */</span>
<a name="l00908"></a>00908 <span class="keywordflow">for</span> (i = 0; i < <span class="keyword">sizeof</span>(ifaces) / <span class="keyword">sizeof</span>(ifaces[0]); i++)
<a name="l00909"></a>00909 <span class="keywordflow">if</span> ((fourcc & ifaces[i].fourcc_mask) == ifaces[i].fourcc) {
<a name="l00910"></a>00910 <a class="code" href="group__codec.html#gad654f3da60151f5dfef70aca00ef1e9e" title="Codec interface structure.">vpx_codec_iface_t</a> *ivf_iface = ifaces[i].iface();
<a name="l00911"></a>00911
<a name="l00912"></a>00912 <span class="keywordflow">if</span> (iface && iface != ivf_iface)
<a name="l00913"></a>00913 fprintf(stderr, <span class="stringliteral">"Notice -- IVF header indicates codec: %s\n"</span>,
<a name="l00914"></a>00914 ifaces[i].name);
<a name="l00915"></a>00915 <span class="keywordflow">else</span>
<a name="l00916"></a>00916 iface = ivf_iface;
<a name="l00917"></a>00917
<a name="l00918"></a>00918 <span class="keywordflow">break</span>;
<a name="l00919"></a>00919 }
<a name="l00920"></a>00920
<a name="l00921"></a>00921 dec_flags = (postproc ? <a class="code" href="group__decoder.html#ga6fe14f30254aff769412b128b29664cc">VPX_CODEC_USE_POSTPROC</a> : 0) |
<a name="l00922"></a>00922 (ec_enabled ? VPX_CODEC_USE_ERROR_CONCEALMENT : 0);
<a name="l00923"></a>00923 <span class="keywordflow">if</span> (<a class="code" href="group__decoder.html#ga8c2f0b12f1bd4927eb3c68b01eab19d3" title="Convenience macro for vpx_codec_dec_init_ver().">vpx_codec_dec_init</a>(&decoder, iface ? iface : ifaces[0].iface(), &cfg,
<a name="l00924"></a>00924 dec_flags)) {
<a name="l00925"></a>00925 fprintf(stderr, <span class="stringliteral">"Failed to initialize decoder: %s\n"</span>, <a class="code" href="group__codec.html#ga4d265df00d42b36a4f0e3eb83fc22c5e" title="Retrieve error synopsis for codec context.">vpx_codec_error</a>(&decoder));
<a name="l00926"></a>00926 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00927"></a>00927 }
<a name="l00928"></a>00928
<a name="l00929"></a>00929 <span class="keywordflow">if</span> (!quiet)
<a name="l00930"></a>00930 fprintf(stderr, <span class="stringliteral">"%s\n"</span>, decoder.<a class="code" href="structvpx__codec__ctx.html#a7ed1bf8f6434ea2df01da8011849c6cb">name</a>);
<a name="l00931"></a>00931
<a name="l00932"></a>00932 <span class="preprocessor">#if CONFIG_VP8_DECODER</span>
<a name="l00933"></a>00933 <span class="preprocessor"></span>
<a name="l00934"></a>00934 <span class="keywordflow">if</span> (vp8_pp_cfg.<a class="code" href="structvp8__postproc__cfg.html#ae9adc230642ac230f39eb4c531cf85e5">post_proc_flag</a>
<a name="l00935"></a>00935 && <a class="code" href="group__codec.html#gac1b91e04698c1bd4c0a2b8aa85b08cd2" title="vpx_codec_control wrapper macro">vpx_codec_control</a>(&decoder, <a class="code" href="group__vp8.html#gga8cadbc8e0af3da96ef7a2dbd4ed06599a43e85c68bc1c1473f4a94b005a59482c">VP8_SET_POSTPROC</a>, &vp8_pp_cfg)) {
<a name="l00936"></a>00936 fprintf(stderr, <span class="stringliteral">"Failed to configure postproc: %s\n"</span>, <a class="code" href="group__codec.html#ga4d265df00d42b36a4f0e3eb83fc22c5e" title="Retrieve error synopsis for codec context.">vpx_codec_error</a>(&decoder));
<a name="l00937"></a>00937 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00938"></a>00938 }
<a name="l00939"></a>00939
<a name="l00940"></a>00940 <span class="keywordflow">if</span> (vp8_dbg_color_ref_frame
<a name="l00941"></a>00941 && <a class="code" href="group__codec.html#gac1b91e04698c1bd4c0a2b8aa85b08cd2" title="vpx_codec_control wrapper macro">vpx_codec_control</a>(&decoder, <a class="code" href="group__vp8.html#gga8cadbc8e0af3da96ef7a2dbd4ed06599ab52ea7a97668b603812dfc205b0fd783">VP8_SET_DBG_COLOR_REF_FRAME</a>, vp8_dbg_color_ref_frame)) {
<a name="l00942"></a>00942 fprintf(stderr, <span class="stringliteral">"Failed to configure reference block visualizer: %s\n"</span>, <a class="code" href="group__codec.html#ga4d265df00d42b36a4f0e3eb83fc22c5e" title="Retrieve error synopsis for codec context.">vpx_codec_error</a>(&decoder));
<a name="l00943"></a>00943 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00944"></a>00944 }
<a name="l00945"></a>00945
<a name="l00946"></a>00946 <span class="keywordflow">if</span> (vp8_dbg_color_mb_modes
<a name="l00947"></a>00947 && <a class="code" href="group__codec.html#gac1b91e04698c1bd4c0a2b8aa85b08cd2" title="vpx_codec_control wrapper macro">vpx_codec_control</a>(&decoder, <a class="code" href="group__vp8.html#gga8cadbc8e0af3da96ef7a2dbd4ed06599aa0d5c3eaa7cbecaf64403edc8450b060">VP8_SET_DBG_COLOR_MB_MODES</a>, vp8_dbg_color_mb_modes)) {
<a name="l00948"></a>00948 fprintf(stderr, <span class="stringliteral">"Failed to configure macro block visualizer: %s\n"</span>, <a class="code" href="group__codec.html#ga4d265df00d42b36a4f0e3eb83fc22c5e" title="Retrieve error synopsis for codec context.">vpx_codec_error</a>(&decoder));
<a name="l00949"></a>00949 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00950"></a>00950 }
<a name="l00951"></a>00951
<a name="l00952"></a>00952 <span class="keywordflow">if</span> (vp8_dbg_color_b_modes
<a name="l00953"></a>00953 && <a class="code" href="group__codec.html#gac1b91e04698c1bd4c0a2b8aa85b08cd2" title="vpx_codec_control wrapper macro">vpx_codec_control</a>(&decoder, <a class="code" href="group__vp8.html#gga8cadbc8e0af3da96ef7a2dbd4ed06599ae0052b9dd3c64a4bb822abafb4755a87">VP8_SET_DBG_COLOR_B_MODES</a>, vp8_dbg_color_b_modes)) {
<a name="l00954"></a>00954 fprintf(stderr, <span class="stringliteral">"Failed to configure block visualizer: %s\n"</span>, <a class="code" href="group__codec.html#ga4d265df00d42b36a4f0e3eb83fc22c5e" title="Retrieve error synopsis for codec context.">vpx_codec_error</a>(&decoder));
<a name="l00955"></a>00955 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00956"></a>00956 }
<a name="l00957"></a>00957
<a name="l00958"></a>00958 <span class="keywordflow">if</span> (vp8_dbg_display_mv
<a name="l00959"></a>00959 && <a class="code" href="group__codec.html#gac1b91e04698c1bd4c0a2b8aa85b08cd2" title="vpx_codec_control wrapper macro">vpx_codec_control</a>(&decoder, <a class="code" href="group__vp8.html#gga8cadbc8e0af3da96ef7a2dbd4ed06599abc6aef0d7e0486d25348de217ad8441d">VP8_SET_DBG_DISPLAY_MV</a>, vp8_dbg_display_mv)) {
<a name="l00960"></a>00960 fprintf(stderr, <span class="stringliteral">"Failed to configure motion vector visualizer: %s\n"</span>, <a class="code" href="group__codec.html#ga4d265df00d42b36a4f0e3eb83fc22c5e" title="Retrieve error synopsis for codec context.">vpx_codec_error</a>(&decoder));
<a name="l00961"></a>00961 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00962"></a>00962 }
<a name="l00963"></a>00963 <span class="preprocessor">#endif</span>
<a name="l00964"></a>00964 <span class="preprocessor"></span>
<a name="l00965"></a>00965
<a name="l00966"></a>00966 <span class="keywordflow">if</span>(arg_skip)
<a name="l00967"></a>00967 fprintf(stderr, <span class="stringliteral">"Skiping first %d frames.\n"</span>, arg_skip);
<a name="l00968"></a>00968 <span class="keywordflow">while</span> (arg_skip) {
<a name="l00969"></a>00969 <span class="keywordflow">if</span> (read_frame(&input, &buf, &buf_sz, &buf_alloc_sz))
<a name="l00970"></a>00970 <span class="keywordflow">break</span>;
<a name="l00971"></a>00971 arg_skip--;
<a name="l00972"></a>00972 }
<a name="l00973"></a>00973
<a name="l00974"></a>00974 frame_avail = 1;
<a name="l00975"></a>00975 got_data = 0;
<a name="l00976"></a>00976
<a name="l00977"></a>00977 <span class="comment">/* Decode file */</span>
<a name="l00978"></a>00978 <span class="keywordflow">while</span> (frame_avail || got_data) {
<a name="l00979"></a>00979 <a class="code" href="group__codec.html#ga6ea348f76b1f8a1fe50e14db684146c6" title="Iterator.">vpx_codec_iter_t</a> iter = NULL;
<a name="l00980"></a>00980 <a class="code" href="structvpx__image.html" title="Image Descriptor.">vpx_image_t</a> *img;
<a name="l00981"></a>00981 <span class="keyword">struct </span>vpx_usec_timer timer;
<a name="l00982"></a>00982 <span class="keywordtype">int</span> corrupted;
<a name="l00983"></a>00983
<a name="l00984"></a>00984 frame_avail = 0;
<a name="l00985"></a>00985 <span class="keywordflow">if</span> (!stop_after || frame_in < stop_after) {
<a name="l00986"></a>00986 <span class="keywordflow">if</span>(!read_frame(&input, &buf, &buf_sz, &buf_alloc_sz)) {
<a name="l00987"></a>00987 frame_avail = 1;
<a name="l00988"></a>00988 frame_in++;
<a name="l00989"></a>00989
<a name="l00990"></a>00990 vpx_usec_timer_start(&timer);
<a name="l00991"></a>00991
<a name="l00992"></a>00992 <span class="keywordflow">if</span> (<a class="code" href="group__decoder.html#ga3441e157a7a69108bca9a069f2ee8e0d" title="Decode data.">vpx_codec_decode</a>(&decoder, buf, (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>)buf_sz, NULL, 0)) {
<a name="l00993"></a>00993 <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>(&decoder);
<a name="l00994"></a>00994 fprintf(stderr, <span class="stringliteral">"Failed to decode frame: %s\n"</span>,
<a name="l00995"></a>00995 <a class="code" href="group__codec.html#ga4d265df00d42b36a4f0e3eb83fc22c5e" title="Retrieve error synopsis for codec context.">vpx_codec_error</a>(&decoder));
<a name="l00996"></a>00996
<a name="l00997"></a>00997 <span class="keywordflow">if</span> (detail)
<a name="l00998"></a>00998 fprintf(stderr, <span class="stringliteral">" Additional information: %s\n"</span>, detail);
<a name="l00999"></a>00999 <span class="keywordflow">goto</span> fail;
<a name="l01000"></a>01000 }
<a name="l01001"></a>01001
<a name="l01002"></a>01002 vpx_usec_timer_mark(&timer);
<a name="l01003"></a>01003 dx_time += (<span class="keywordtype">unsigned</span> int)vpx_usec_timer_elapsed(&timer);
<a name="l01004"></a>01004 }
<a name="l01005"></a>01005 }
<a name="l01006"></a>01006
<a name="l01007"></a>01007 vpx_usec_timer_start(&timer);
<a name="l01008"></a>01008
<a name="l01009"></a>01009 got_data = 0;
<a name="l01010"></a>01010 <span class="keywordflow">if</span> ((img = <a class="code" href="group__decoder.html#ga0e231c3a5ce445fdb2268d741da97500" title="Decoded frames iterator.">vpx_codec_get_frame</a>(&decoder, &iter))) {
<a name="l01011"></a>01011 ++frame_out;
<a name="l01012"></a>01012 got_data = 1;
<a name="l01013"></a>01013 }
<a name="l01014"></a>01014
<a name="l01015"></a>01015 vpx_usec_timer_mark(&timer);
<a name="l01016"></a>01016 dx_time += (<span class="keywordtype">unsigned</span> int)vpx_usec_timer_elapsed(&timer);
<a name="l01017"></a>01017
<a name="l01018"></a>01018 <span class="keywordflow">if</span> (<a class="code" href="group__codec.html#gac1b91e04698c1bd4c0a2b8aa85b08cd2" title="vpx_codec_control wrapper macro">vpx_codec_control</a>(&decoder, <a class="code" href="group__vp8__decoder.html#ggaf9dd3f2e6d1412106ee791af768e57c1af9f82d9e7930e6a2244b30b031b79599">VP8D_GET_FRAME_CORRUPTED</a>, &corrupted)) {
<a name="l01019"></a>01019 fprintf(stderr, <span class="stringliteral">"Failed VP8_GET_FRAME_CORRUPTED: %s\n"</span>,
<a name="l01020"></a>01020 <a class="code" href="group__codec.html#ga4d265df00d42b36a4f0e3eb83fc22c5e" title="Retrieve error synopsis for codec context.">vpx_codec_error</a>(&decoder));
<a name="l01021"></a>01021 <span class="keywordflow">goto</span> fail;
<a name="l01022"></a>01022 }
<a name="l01023"></a>01023 frames_corrupted += corrupted;
<a name="l01024"></a>01024
<a name="l01025"></a>01025 <span class="keywordflow">if</span> (progress)
<a name="l01026"></a>01026 show_progress(frame_in, frame_out, dx_time);
<a name="l01027"></a>01027
<a name="l01028"></a>01028 <span class="keywordflow">if</span> (!noblit) {
<a name="l01029"></a>01029 <span class="keywordflow">if</span> (frame_out == 1 && img && use_y4m) {
<a name="l01030"></a>01030 <span class="comment">/* Write out the color format to terminate the header line */</span>
<a name="l01031"></a>01031 <span class="keyword">const</span> <span class="keywordtype">char</span> *color =
<a name="l01032"></a>01032 img-><a class="code" href="structvpx__image.html#a1d734f8afa9200a21c2d9f6bcf8c04d8">fmt</a> == VPX_IMG_FMT_444A ? <span class="stringliteral">"C444alpha\n"</span> :
<a name="l01033"></a>01033 img-><a class="code" href="structvpx__image.html#a1d734f8afa9200a21c2d9f6bcf8c04d8">fmt</a> == VPX_IMG_FMT_I444 ? <span class="stringliteral">"C444\n"</span> :
<a name="l01034"></a>01034 img-><a class="code" href="structvpx__image.html#a1d734f8afa9200a21c2d9f6bcf8c04d8">fmt</a> == VPX_IMG_FMT_I422 ? <span class="stringliteral">"C422\n"</span> :
<a name="l01035"></a>01035 <span class="stringliteral">"C420jpeg\n"</span>;
<a name="l01036"></a>01036
<a name="l01037"></a>01037 out_put(out, (<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)color, strlen(color), do_md5);
<a name="l01038"></a>01038 }
<a name="l01039"></a>01039
<a name="l01040"></a>01040 <span class="keywordflow">if</span> (do_scale) {
<a name="l01041"></a>01041 <span class="keywordflow">if</span> (img && frame_out == 1) {
<a name="l01042"></a>01042 stream_w = img-><a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a>;
<a name="l01043"></a>01043 stream_h = img-><a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a>;
<a name="l01044"></a>01044 scaled_img = <a class="code" href="vpx__image_8h.html#ab80398f28ca880368a922fa979eb66c1" title="Open a descriptor, allocating storage for the underlying image.">vpx_img_alloc</a>(NULL, VPX_IMG_FMT_I420,
<a name="l01045"></a>01045 stream_w, stream_h, 16);
<a name="l01046"></a>01046 }
<a name="l01047"></a>01047 <span class="keywordflow">if</span> (img && (img-><a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a> != stream_w || img-><a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a> != stream_h)) {
<a name="l01048"></a>01048 assert(img-><a class="code" href="structvpx__image.html#a1d734f8afa9200a21c2d9f6bcf8c04d8">fmt</a> == VPX_IMG_FMT_I420);
<a name="l01049"></a>01049 I420Scale(img-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[VPX_PLANE_Y], img-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[VPX_PLANE_Y],
<a name="l01050"></a>01050 img-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[VPX_PLANE_U], img-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[VPX_PLANE_U],
<a name="l01051"></a>01051 img-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>], img-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>],
<a name="l01052"></a>01052 img-><a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a>, img-><a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a>,
<a name="l01053"></a>01053 scaled_img-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[VPX_PLANE_Y],
<a name="l01054"></a>01054 scaled_img-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[VPX_PLANE_Y],
<a name="l01055"></a>01055 scaled_img-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[VPX_PLANE_U],
<a name="l01056"></a>01056 scaled_img-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[VPX_PLANE_U],
<a name="l01057"></a>01057 scaled_img-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[<a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>],
<a name="l01058"></a>01058 scaled_img-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>],
<a name="l01059"></a>01059 stream_w, stream_h,
<a name="l01060"></a>01060 kFilterBox);
<a name="l01061"></a>01061 img = scaled_img;
<a name="l01062"></a>01062 }
<a name="l01063"></a>01063 }
<a name="l01064"></a>01064
<a name="l01065"></a>01065 <span class="keywordflow">if</span> (img) {
<a name="l01066"></a>01066 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> y;
<a name="l01067"></a>01067 <span class="keywordtype">char</span> out_fn[PATH_MAX];
<a name="l01068"></a>01068 uint8_t *buf;
<a name="l01069"></a>01069 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> c_w =
<a name="l01070"></a>01070 img-><a class="code" href="structvpx__image.html#affaf210489dcefebd90b87fd5f12dc0b">x_chroma_shift</a> ? (1 + img-><a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a>) >> img-><a class="code" href="structvpx__image.html#affaf210489dcefebd90b87fd5f12dc0b">x_chroma_shift</a>
<a name="l01071"></a>01071 : img-><a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a>;
<a name="l01072"></a>01072 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> c_h =
<a name="l01073"></a>01073 img-><a class="code" href="structvpx__image.html#a1e3d9b699d46ca32e3916d1ac635a4a2">y_chroma_shift</a> ? (1 + img-><a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a>) >> img-><a class="code" href="structvpx__image.html#a1e3d9b699d46ca32e3916d1ac635a4a2">y_chroma_shift</a>
<a name="l01074"></a>01074 : img-><a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a>;
<a name="l01075"></a>01075
<a name="l01076"></a>01076 <span class="keywordflow">if</span> (!single_file) {
<a name="l01077"></a>01077 <span class="keywordtype">size_t</span> len = <span class="keyword">sizeof</span>(out_fn) - 1;
<a name="l01078"></a>01078
<a name="l01079"></a>01079 out_fn[len] = <span class="charliteral">'\0'</span>;
<a name="l01080"></a>01080 generate_filename(outfile_pattern, out_fn, len - 1,
<a name="l01081"></a>01081 img-><a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a>, img-><a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a>, frame_in);
<a name="l01082"></a>01082 out = out_open(out_fn, do_md5);
<a name="l01083"></a>01083 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (use_y4m)
<a name="l01084"></a>01084 out_put(out, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *)<span class="stringliteral">"FRAME\n"</span>, 6, do_md5);
<a name="l01085"></a>01085
<a name="l01086"></a>01086 buf = img-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[VPX_PLANE_Y];
<a name="l01087"></a>01087
<a name="l01088"></a>01088 <span class="keywordflow">for</span> (y = 0; y < img-><a class="code" href="structvpx__image.html#a31bc5f045d4f3c2b6bb0f57bb53078e7">d_h</a>; y++) {
<a name="l01089"></a>01089 out_put(out, buf, img-><a class="code" href="structvpx__image.html#a806bf23143bf00a0b3fdbd6ba030c483">d_w</a>, do_md5);
<a name="l01090"></a>01090 buf += img-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[VPX_PLANE_Y];
<a name="l01091"></a>01091 }
<a name="l01092"></a>01092
<a name="l01093"></a>01093 buf = img-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[flipuv ? <a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a> : VPX_PLANE_U];
<a name="l01094"></a>01094
<a name="l01095"></a>01095 <span class="keywordflow">for</span> (y = 0; y < c_h; y++) {
<a name="l01096"></a>01096 out_put(out, buf, c_w, do_md5);
<a name="l01097"></a>01097 buf += img-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[VPX_PLANE_U];
<a name="l01098"></a>01098 }
<a name="l01099"></a>01099
<a name="l01100"></a>01100 buf = img-><a class="code" href="structvpx__image.html#ab6258308ba7a5f4a113348120e20e2ce">planes</a>[flipuv ? VPX_PLANE_U : <a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>];
<a name="l01101"></a>01101
<a name="l01102"></a>01102 <span class="keywordflow">for</span> (y = 0; y < c_h; y++) {
<a name="l01103"></a>01103 out_put(out, buf, c_w, do_md5);
<a name="l01104"></a>01104 buf += img-><a class="code" href="structvpx__image.html#ac9c7b83e3eea44cb680956f90dc789cf">stride</a>[<a class="code" href="vpx__image_8h.html#aca9436ec761457cc6d2e356e0ac2fd23">VPX_PLANE_V</a>];
<a name="l01105"></a>01105 }
<a name="l01106"></a>01106
<a name="l01107"></a>01107 <span class="keywordflow">if</span> (!single_file)
<a name="l01108"></a>01108 out_close(out, out_fn, do_md5);
<a name="l01109"></a>01109 }
<a name="l01110"></a>01110 }
<a name="l01111"></a>01111
<a name="l01112"></a>01112 <span class="keywordflow">if</span> (stop_after && frame_in >= stop_after)
<a name="l01113"></a>01113 <span class="keywordflow">break</span>;
<a name="l01114"></a>01114 }
<a name="l01115"></a>01115
<a name="l01116"></a>01116 <span class="keywordflow">if</span> (summary || progress) {
<a name="l01117"></a>01117 show_progress(frame_in, frame_out, dx_time);
<a name="l01118"></a>01118 fprintf(stderr, <span class="stringliteral">"\n"</span>);
<a name="l01119"></a>01119 }
<a name="l01120"></a>01120
<a name="l01121"></a>01121 <span class="keywordflow">if</span> (frames_corrupted)
<a name="l01122"></a>01122 fprintf(stderr, <span class="stringliteral">"WARNING: %d frames corrupted.\n"</span>, frames_corrupted);
<a name="l01123"></a>01123
<a name="l01124"></a>01124 fail:
<a name="l01125"></a>01125
<a name="l01126"></a>01126 <span class="keywordflow">if</span> (<a class="code" href="group__codec.html#ga6ae21d96909660d0ac978b59a863f53b" title="Destroy a codec instance.">vpx_codec_destroy</a>(&decoder)) {
<a name="l01127"></a>01127 fprintf(stderr, <span class="stringliteral">"Failed to destroy decoder: %s\n"</span>,
<a name="l01128"></a>01128 <a class="code" href="group__codec.html#ga4d265df00d42b36a4f0e3eb83fc22c5e" title="Retrieve error synopsis for codec context.">vpx_codec_error</a>(&decoder));
<a name="l01129"></a>01129 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l01130"></a>01130 }
<a name="l01131"></a>01131
<a name="l01132"></a>01132 <span class="keywordflow">if</span> (single_file && !noblit)
<a name="l01133"></a>01133 out_close(out, outfile, do_md5);
<a name="l01134"></a>01134
<a name="l01135"></a>01135 <span class="keywordflow">if</span> (input.nestegg_ctx)
<a name="l01136"></a>01136 nestegg_destroy(input.nestegg_ctx);
<a name="l01137"></a>01137 <span class="keywordflow">if</span> (input.kind != WEBM_FILE)
<a name="l01138"></a>01138 free(buf);
<a name="l01139"></a>01139
<a name="l01140"></a>01140 <span class="keywordflow">if</span> (scaled_img) <a class="code" href="vpx__image_8h.html#af47ebaf286812d037425d41990d48a17" title="Close an image descriptor.">vpx_img_free</a>(scaled_img);
<a name="l01141"></a>01141
<a name="l01142"></a>01142 fclose(infile);
<a name="l01143"></a>01143 free(argv);
<a name="l01144"></a>01144
<a name="l01145"></a>01145 <span class="keywordflow">return</span> frames_corrupted ? EXIT_FAILURE : EXIT_SUCCESS;
<a name="l01146"></a>01146 }
<a name="l01147"></a>01147
<a name="l01148"></a>01148 <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="l01149"></a>01149 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> loops = 1, i;
<a name="l01150"></a>01150 <span class="keywordtype">char</span> **argv, **argi, **argj;
<a name="l01151"></a>01151 <span class="keyword">struct </span>arg arg;
<a name="l01152"></a>01152 <span class="keywordtype">int</span> error = 0;
<a name="l01153"></a>01153
<a name="l01154"></a>01154 argv = argv_dup(argc - 1, argv_ + 1);
<a name="l01155"></a>01155 <span class="keywordflow">for</span> (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
<a name="l01156"></a>01156 memset(&arg, 0, <span class="keyword">sizeof</span>(arg));
<a name="l01157"></a>01157 arg.argv_step = 1;
<a name="l01158"></a>01158
<a name="l01159"></a>01159 <span class="keywordflow">if</span> (arg_match(&arg, &looparg, argi)) {
<a name="l01160"></a>01160 loops = arg_parse_uint(&arg);
<a name="l01161"></a>01161 <span class="keywordflow">break</span>;
<a name="l01162"></a>01162 }
<a name="l01163"></a>01163 }
<a name="l01164"></a>01164 free(argv);
<a name="l01165"></a>01165 <span class="keywordflow">for</span> (i = 0; !error && i < loops; i++)
<a name="l01166"></a>01166 error = main_loop(argc, argv_);
<a name="l01167"></a>01167 <span class="keywordflow">return</span> error;
<a name="l01168"></a>01168 }
</pre></div> </div>
<hr size="1"/><address style="text-align: right;"><small>Generated on 29 Aug 2014 for WebM VP8 Codec SDK by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
</body>
</html>
y~or5J ={Eeu磝Qk ᯘG{?+]ן?wM3X^歌>{7پK>on\jy R g/=fOroNVv~Y+ NGuÝHWyw[eQʨSb> >}Gmx[o[<{Ϯ_qF vM IENDB`