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<a href="log_8h.html">Go to the documentation of this file.</a><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) 2006 Michael Niedermayer <michaelni@gmx.at></span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * This file is part of FFmpeg.</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * FFmpeg is free software; you can redistribute it and/or</span>
<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<a name="l00008"></a>00008 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00009"></a>00009 <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment"> *</span>
<a name="l00011"></a>00011 <span class="comment"> * FFmpeg is distributed in the hope that it will be useful,</span>
<a name="l00012"></a>00012 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00014"></a>00014 <span class="comment"> * Lesser General Public License for more details.</span>
<a name="l00015"></a>00015 <span class="comment"> *</span>
<a name="l00016"></a>00016 <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
<a name="l00017"></a>00017 <span class="comment"> * License along with FFmpeg; if not, write to the Free Software</span>
<a name="l00018"></a>00018 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#ifndef AVUTIL_LOG_H</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define AVUTIL_LOG_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <stdarg.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="avutil_8h.html" title="external API header">avutil.h</a>"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="attributes_8h.html" title="Macro definitions for various function/variable attributes.">attributes.h</a>"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="libavutil_2version_8h.html" title="Libavutil version macros.">version.h</a>"</span>
<a name="l00028"></a>00028
<a name="l00029"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9">00029</a> <span class="keyword">typedef</span> <span class="keyword">enum</span> {
<a name="l00030"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a71af9d0d8f60e47a7a83046e27dadefa">00030</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a71af9d0d8f60e47a7a83046e27dadefa">AV_CLASS_CATEGORY_NA</a> = 0,
<a name="l00031"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a0b907bb25d241484062534be320001d1">00031</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a0b907bb25d241484062534be320001d1">AV_CLASS_CATEGORY_INPUT</a>,
<a name="l00032"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a922ed45f6aaa6e0bdcdcdcfa20e5f6a4">00032</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a922ed45f6aaa6e0bdcdcdcfa20e5f6a4">AV_CLASS_CATEGORY_OUTPUT</a>,
<a name="l00033"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a25e15ba6dba2dcd767d69c04eaa38a59">00033</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a25e15ba6dba2dcd767d69c04eaa38a59">AV_CLASS_CATEGORY_MUXER</a>,
<a name="l00034"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a86a70f4c26b01f85c4c23433322eec2c">00034</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a86a70f4c26b01f85c4c23433322eec2c">AV_CLASS_CATEGORY_DEMUXER</a>,
<a name="l00035"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9ae22f8fa66b02cff95fb04ec963713a4c">00035</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9ae22f8fa66b02cff95fb04ec963713a4c">AV_CLASS_CATEGORY_ENCODER</a>,
<a name="l00036"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9af24522b3c299ba8b85a5a00574d43b2b">00036</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9af24522b3c299ba8b85a5a00574d43b2b">AV_CLASS_CATEGORY_DECODER</a>,
<a name="l00037"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a78b8da9853ff87127b31ceb9a78f3a37">00037</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a78b8da9853ff87127b31ceb9a78f3a37">AV_CLASS_CATEGORY_FILTER</a>,
<a name="l00038"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a2aa971aa717aa1f2b812ed1358ff7fbf">00038</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a2aa971aa717aa1f2b812ed1358ff7fbf">AV_CLASS_CATEGORY_BITSTREAM_FILTER</a>,
<a name="l00039"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a2852542cb189f4d25e470ee67e09ff6a">00039</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a2852542cb189f4d25e470ee67e09ff6a">AV_CLASS_CATEGORY_SWSCALER</a>,
<a name="l00040"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9acf18a1d69313a920e4a5229c86de8e1c">00040</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9acf18a1d69313a920e4a5229c86de8e1c">AV_CLASS_CATEGORY_SWRESAMPLER</a>,
<a name="l00041"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a6facbfe512802ca4b03378f5c4bd2aa2">00041</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a6facbfe512802ca4b03378f5c4bd2aa2">AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT</a> = 40,
<a name="l00042"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a73fb8c6b471b22685e8d2836f25ca6c7">00042</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a73fb8c6b471b22685e8d2836f25ca6c7">AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT</a>,
<a name="l00043"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a4acd911842413e1bd9e1387f7b6b5e4b">00043</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a4acd911842413e1bd9e1387f7b6b5e4b">AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT</a>,
<a name="l00044"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9aacba77c66d969c8dbd8b9597e9b98869">00044</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9aacba77c66d969c8dbd8b9597e9b98869">AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT</a>,
<a name="l00045"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a47ac8b5cb587a90463644ccab01ce71b">00045</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a47ac8b5cb587a90463644ccab01ce71b">AV_CLASS_CATEGORY_DEVICE_OUTPUT</a>,
<a name="l00046"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9ace341ef5b34a656419e6ae61474334e1">00046</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9ace341ef5b34a656419e6ae61474334e1">AV_CLASS_CATEGORY_DEVICE_INPUT</a>,
<a name="l00047"></a><a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a6500b5dc52e5485b497c3f7228ce637f">00047</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a6500b5dc52e5485b497c3f7228ce637f" title="not part of ABI/API">AV_CLASS_CATEGORY_NB</a>, <span class="comment">///< not part of ABI/API</span>
<a name="l00048"></a>00048 <span class="comment"></span>}<a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9">AVClassCategory</a>;
<a name="l00049"></a>00049
<a name="l00050"></a><a class="code" href="log_8h.html#ad0e526bec7e5efded0893bfed967fe94">00050</a> <span class="preprocessor">#define AV_IS_INPUT_DEVICE(category) \</span>
<a name="l00051"></a>00051 <span class="preprocessor"> (((category) == AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT) || \</span>
<a name="l00052"></a>00052 <span class="preprocessor"> ((category) == AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT) || \</span>
<a name="l00053"></a>00053 <span class="preprocessor"> ((category) == AV_CLASS_CATEGORY_DEVICE_INPUT))</span>
<a name="l00054"></a>00054 <span class="preprocessor"></span>
<a name="l00055"></a><a class="code" href="log_8h.html#a95810fbec46199cb25ccddae6b900bd8">00055</a> <span class="preprocessor">#define AV_IS_OUTPUT_DEVICE(category) \</span>
<a name="l00056"></a>00056 <span class="preprocessor"> (((category) == AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT) || \</span>
<a name="l00057"></a>00057 <span class="preprocessor"> ((category) == AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT) || \</span>
<a name="l00058"></a>00058 <span class="preprocessor"> ((category) == AV_CLASS_CATEGORY_DEVICE_OUTPUT))</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span>
<a name="l00060"></a>00060 <span class="keyword">struct </span><a class="code" href="structAVOptionRanges.html" title="List of AVOptionRange structs.">AVOptionRanges</a>;
<a name="l00061"></a>00061 <span class="comment"></span>
<a name="l00062"></a>00062 <span class="comment">/**</span>
<a name="l00063"></a>00063 <span class="comment"> * Describe the class of an AVClass context structure. That is an</span>
<a name="l00064"></a>00064 <span class="comment"> * arbitrary struct of which the first field is a pointer to an</span>
<a name="l00065"></a>00065 <span class="comment"> * AVClass struct (e.g. AVCodecContext, AVFormatContext etc.).</span>
<a name="l00066"></a>00066 <span class="comment"> */</span>
<a name="l00067"></a><a class="code" href="structAVClass.html">00067</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structAVClass.html" title="Describe the class of an AVClass context structure.">AVClass</a> {<span class="comment"></span>
<a name="l00068"></a>00068 <span class="comment"> /**</span>
<a name="l00069"></a>00069 <span class="comment"> * The name of the class; usually it is the same name as the</span>
<a name="l00070"></a>00070 <span class="comment"> * context structure type to which the AVClass is associated.</span>
<a name="l00071"></a>00071 <span class="comment"> */</span>
<a name="l00072"></a><a class="code" href="structAVClass.html#aa8883e113a3f2965abd008f7667db7eb">00072</a> <span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="structAVClass.html#aa8883e113a3f2965abd008f7667db7eb" title="The name of the class; usually it is the same name as the context structure type to which the AVClass...">class_name</a>;
<a name="l00073"></a>00073 <span class="comment"></span>
<a name="l00074"></a>00074 <span class="comment"> /**</span>
<a name="l00075"></a>00075 <span class="comment"> * A pointer to a function which returns the name of a context</span>
<a name="l00076"></a>00076 <span class="comment"> * instance ctx associated with the class.</span>
<a name="l00077"></a>00077 <span class="comment"> */</span>
<a name="l00078"></a><a class="code" href="structAVClass.html#abdb9b352e115fc158835afd56ef8b78b">00078</a> <span class="keyword">const</span> <span class="keywordtype">char</span>* (*item_name)(<span class="keywordtype">void</span>* ctx);
<a name="l00079"></a>00079 <span class="comment"></span>
<a name="l00080"></a>00080 <span class="comment"> /**</span>
<a name="l00081"></a>00081 <span class="comment"> * a pointer to the first option specified in the class if any or NULL</span>
<a name="l00082"></a>00082 <span class="comment"> *</span>
<a name="l00083"></a>00083 <span class="comment"> * @see av_set_default_options()</span>
<a name="l00084"></a>00084 <span class="comment"> */</span>
<a name="l00085"></a><a class="code" href="structAVClass.html#a8f5d64df6aeeecce08ab33d0afb07f92">00085</a> <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structAVOption.html" title="AVOption.">AVOption</a> *<a class="code" href="structAVClass.html#a8f5d64df6aeeecce08ab33d0afb07f92" title="a pointer to the first option specified in the class if any or NULL">option</a>;
<a name="l00086"></a>00086 <span class="comment"></span>
<a name="l00087"></a>00087 <span class="comment"> /**</span>
<a name="l00088"></a>00088 <span class="comment"> * LIBAVUTIL_VERSION with which this structure was created.</span>
<a name="l00089"></a>00089 <span class="comment"> * This is used to allow fields to be added without requiring major</span>
<a name="l00090"></a>00090 <span class="comment"> * version bumps everywhere.</span>
<a name="l00091"></a>00091 <span class="comment"> */</span>
<a name="l00092"></a>00092
<a name="l00093"></a><a class="code" href="structAVClass.html#a7859d861c0924aa74d848f93253c263a">00093</a> <span class="keywordtype">int</span> <a class="code" href="structAVClass.html#a7859d861c0924aa74d848f93253c263a" title="LIBAVUTIL_VERSION with which this structure was created.">version</a>;
<a name="l00094"></a>00094 <span class="comment"></span>
<a name="l00095"></a>00095 <span class="comment"> /**</span>
<a name="l00096"></a>00096 <span class="comment"> * Offset in the structure where log_level_offset is stored.</span>
<a name="l00097"></a>00097 <span class="comment"> * 0 means there is no such variable</span>
<a name="l00098"></a>00098 <span class="comment"> */</span>
<a name="l00099"></a><a class="code" href="structAVClass.html#afbde6320c22278fac43732f7410b66e7">00099</a> <span class="keywordtype">int</span> <a class="code" href="structAVClass.html#afbde6320c22278fac43732f7410b66e7" title="Offset in the structure where log_level_offset is stored.">log_level_offset_offset</a>;
<a name="l00100"></a>00100 <span class="comment"></span>
<a name="l00101"></a>00101 <span class="comment"> /**</span>
<a name="l00102"></a>00102 <span class="comment"> * Offset in the structure where a pointer to the parent context for</span>
<a name="l00103"></a>00103 <span class="comment"> * logging is stored. For example a decoder could pass its AVCodecContext</span>
<a name="l00104"></a>00104 <span class="comment"> * to eval as such a parent context, which an av_log() implementation</span>
<a name="l00105"></a>00105 <span class="comment"> * could then leverage to display the parent context.</span>
<a name="l00106"></a>00106 <span class="comment"> * The offset can be NULL.</span>
<a name="l00107"></a>00107 <span class="comment"> */</span>
<a name="l00108"></a><a class="code" href="structAVClass.html#a88948c8a7c6515181771615a54a808bf">00108</a> <span class="keywordtype">int</span> <a class="code" href="structAVClass.html#a88948c8a7c6515181771615a54a808bf" title="Offset in the structure where a pointer to the parent context for logging is stored.">parent_log_context_offset</a>;
<a name="l00109"></a>00109 <span class="comment"></span>
<a name="l00110"></a>00110 <span class="comment"> /**</span>
<a name="l00111"></a>00111 <span class="comment"> * Return next AVOptions-enabled child or NULL</span>
<a name="l00112"></a>00112 <span class="comment"> */</span>
<a name="l00113"></a><a class="code" href="structAVClass.html#af13472aa40bca9eaad0d5b4ee4c00cab">00113</a> <span class="keywordtype">void</span>* (*child_next)(<span class="keywordtype">void</span> *obj, <span class="keywordtype">void</span> *prev);
<a name="l00114"></a>00114 <span class="comment"></span>
<a name="l00115"></a>00115 <span class="comment"> /**</span>
<a name="l00116"></a>00116 <span class="comment"> * Return an AVClass corresponding to the next potential</span>
<a name="l00117"></a>00117 <span class="comment"> * AVOptions-enabled child.</span>
<a name="l00118"></a>00118 <span class="comment"> *</span>
<a name="l00119"></a>00119 <span class="comment"> * The difference between child_next and this is that</span>
<a name="l00120"></a>00120 <span class="comment"> * child_next iterates over _already existing_ objects, while</span>
<a name="l00121"></a>00121 <span class="comment"> * child_class_next iterates over _all possible_ children.</span>
<a name="l00122"></a>00122 <span class="comment"> */</span>
<a name="l00123"></a><a class="code" href="structAVClass.html#a015e0495e24b397b331e984d3b99d582">00123</a> <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structAVClass.html" title="Describe the class of an AVClass context structure.">AVClass</a>* (*child_class_next)(<span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structAVClass.html" title="Describe the class of an AVClass context structure.">AVClass</a> *prev);
<a name="l00124"></a>00124 <span class="comment"></span>
<a name="l00125"></a>00125 <span class="comment"> /**</span>
<a name="l00126"></a>00126 <span class="comment"> * Category used for visualization (like color)</span>
<a name="l00127"></a>00127 <span class="comment"> * This is only set if the category is equal for all objects using this class.</span>
<a name="l00128"></a>00128 <span class="comment"> * available since version (51 << 16 | 56 << 8 | 100)</span>
<a name="l00129"></a>00129 <span class="comment"> */</span>
<a name="l00130"></a><a class="code" href="structAVClass.html#a5fc161d93a0d65a608819da20b7203ba">00130</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9">AVClassCategory</a> <a class="code" href="structAVClass.html#a5fc161d93a0d65a608819da20b7203ba" title="Category used for visualization (like color) This is only set if the category is equal for all object...">category</a>;
<a name="l00131"></a>00131 <span class="comment"></span>
<a name="l00132"></a>00132 <span class="comment"> /**</span>
<a name="l00133"></a>00133 <span class="comment"> * Callback to return the category.</span>
<a name="l00134"></a>00134 <span class="comment"> * available since version (51 << 16 | 59 << 8 | 100)</span>
<a name="l00135"></a>00135 <span class="comment"> */</span>
<a name="l00136"></a><a class="code" href="structAVClass.html#a7a5708eb9185fbc45741612028f40976">00136</a> <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9">AVClassCategory</a> (*<a class="code" href="structAVClass.html#a7a5708eb9185fbc45741612028f40976" title="Callback to return the category.">get_category</a>)(<span class="keywordtype">void</span>* ctx);
<a name="l00137"></a>00137 <span class="comment"></span>
<a name="l00138"></a>00138 <span class="comment"> /**</span>
<a name="l00139"></a>00139 <span class="comment"> * Callback to return the supported/allowed ranges.</span>
<a name="l00140"></a>00140 <span class="comment"> * available since version (52.12)</span>
<a name="l00141"></a>00141 <span class="comment"> */</span>
<a name="l00142"></a><a class="code" href="structAVClass.html#a2e3cca1bb1e7c441087eaad810b4384b">00142</a> int (*<a class="code" href="structAVClass.html#a2e3cca1bb1e7c441087eaad810b4384b" title="Callback to return the supported/allowed ranges.">query_ranges</a>)(<span class="keyword">struct </span><a class="code" href="structAVOptionRanges.html" title="List of AVOptionRange structs.">AVOptionRanges</a> **, <span class="keywordtype">void</span> *obj, <span class="keyword">const</span> <span class="keywordtype">char</span> *key, <span class="keywordtype">int</span> flags);
<a name="l00143"></a>00143 } <a class="code" href="structAVClass.html" title="Describe the class of an AVClass context structure.">AVClass</a>;
<a name="l00144"></a>00144 <span class="comment"></span>
<a name="l00145"></a>00145 <span class="comment">/**</span>
<a name="l00146"></a>00146 <span class="comment"> * @addtogroup lavu_log</span>
<a name="l00147"></a>00147 <span class="comment"> *</span>
<a name="l00148"></a>00148 <span class="comment"> * @{</span>
<a name="l00149"></a>00149 <span class="comment"> *</span>
<a name="l00150"></a>00150 <span class="comment"> * @defgroup lavu_log_constants Logging Constants</span>
<a name="l00151"></a>00151 <span class="comment"> *</span>
<a name="l00152"></a>00152 <span class="comment"> * @{</span>
<a name="l00153"></a>00153 <span class="comment"> */</span>
<a name="l00154"></a>00154 <span class="comment"></span>
<a name="l00155"></a>00155 <span class="comment">/**</span>
<a name="l00156"></a>00156 <span class="comment"> * Print no output.</span>
<a name="l00157"></a>00157 <span class="comment"> */</span>
<a name="l00158"></a><a class="code" href="group__lavu__log__constants.html#ga11e329935b59b83ca722b66674f37fd4">00158</a> <span class="preprocessor">#define AV_LOG_QUIET -8</span>
<a name="l00159"></a>00159 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00160"></a>00160 <span class="comment">/**</span>
<a name="l00161"></a>00161 <span class="comment"> * Something went really wrong and we will crash now.</span>
<a name="l00162"></a>00162 <span class="comment"> */</span>
<a name="l00163"></a><a class="code" href="group__lavu__log__constants.html#ga09623098406ba81d130824ac742d146e">00163</a> <span class="preprocessor">#define AV_LOG_PANIC 0</span>
<a name="l00164"></a>00164 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00165"></a>00165 <span class="comment">/**</span>
<a name="l00166"></a>00166 <span class="comment"> * Something went wrong and recovery is not possible.</span>
<a name="l00167"></a>00167 <span class="comment"> * For example, no header was found for a format which depends</span>
<a name="l00168"></a>00168 <span class="comment"> * on headers or an illegal combination of parameters is used.</span>
<a name="l00169"></a>00169 <span class="comment"> */</span>
<a name="l00170"></a><a class="code" href="group__lavu__log__constants.html#ga96970a2980bf6ad28cd403e7dc52d6c5">00170</a> <span class="preprocessor">#define AV_LOG_FATAL 8</span>
<a name="l00171"></a>00171 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00172"></a>00172 <span class="comment">/**</span>
<a name="l00173"></a>00173 <span class="comment"> * Something went wrong and cannot losslessly be recovered.</span>
<a name="l00174"></a>00174 <span class="comment"> * However, not all future data is affected.</span>
<a name="l00175"></a>00175 <span class="comment"> */</span>
<a name="l00176"></a><a class="code" href="group__lavu__log__constants.html#gaffe151ff4cd8a24b2e77ac8d9616c85c">00176</a> <span class="preprocessor">#define AV_LOG_ERROR 16</span>
<a name="l00177"></a>00177 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00178"></a>00178 <span class="comment">/**</span>
<a name="l00179"></a>00179 <span class="comment"> * Something somehow does not look correct. This may or may not</span>
<a name="l00180"></a>00180 <span class="comment"> * lead to problems. An example would be the use of '-vstrict -2'.</span>
<a name="l00181"></a>00181 <span class="comment"> */</span>
<a name="l00182"></a><a class="code" href="group__lavu__log__constants.html#ga85b57516ca703cc47d9bbe5f4658c716">00182</a> <span class="preprocessor">#define AV_LOG_WARNING 24</span>
<a name="l00183"></a>00183 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00184"></a>00184 <span class="comment">/**</span>
<a name="l00185"></a>00185 <span class="comment"> * Standard information.</span>
<a name="l00186"></a>00186 <span class="comment"> */</span>
<a name="l00187"></a><a class="code" href="group__lavu__log__constants.html#gad172eacfed8653e454c6fdcbe53baab3">00187</a> <span class="preprocessor">#define AV_LOG_INFO 32</span>
<a name="l00188"></a>00188 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00189"></a>00189 <span class="comment">/**</span>
<a name="l00190"></a>00190 <span class="comment"> * Detailed information.</span>
<a name="l00191"></a>00191 <span class="comment"> */</span>
<a name="l00192"></a><a class="code" href="group__lavu__log__constants.html#ga9b58b28e2d429b930b69db19877f76a8">00192</a> <span class="preprocessor">#define AV_LOG_VERBOSE 40</span>
<a name="l00193"></a>00193 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00194"></a>00194 <span class="comment">/**</span>
<a name="l00195"></a>00195 <span class="comment"> * Stuff which is only useful for libav* developers.</span>
<a name="l00196"></a>00196 <span class="comment"> */</span>
<a name="l00197"></a><a class="code" href="group__lavu__log__constants.html#ga5b7221c3afd06848486776bd834a58a5">00197</a> <span class="preprocessor">#define AV_LOG_DEBUG 48</span>
<a name="l00198"></a>00198 <span class="preprocessor"></span>
<a name="l00199"></a><a class="code" href="group__lavu__log__constants.html#gad87b54332d00f280bf5db0fd2f56f340">00199</a> <span class="preprocessor">#define AV_LOG_MAX_OFFSET (AV_LOG_DEBUG - AV_LOG_QUIET)</span>
<a name="l00200"></a>00200 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00201"></a>00201 <span class="comment">/**</span>
<a name="l00202"></a>00202 <span class="comment"> * Extremely verbose debugging, useful for libav* development.</span>
<a name="l00203"></a>00203 <span class="comment"> */</span>
<a name="l00204"></a><a class="code" href="group__lavu__log__constants.html#ga030300ea4843c53b2fe178a434964b39">00204</a> <span class="preprocessor">#define AV_LOG_TRACE 56</span>
<a name="l00205"></a>00205 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00206"></a>00206 <span class="comment">/**</span>
<a name="l00207"></a>00207 <span class="comment"> * @}</span>
<a name="l00208"></a>00208 <span class="comment"> */</span>
<a name="l00209"></a>00209 <span class="comment"></span>
<a name="l00210"></a>00210 <span class="comment">/**</span>
<a name="l00211"></a>00211 <span class="comment"> * Sets additional colors for extended debugging sessions.</span>
<a name="l00212"></a>00212 <span class="comment"> * @code</span>
<a name="l00213"></a>00213 <span class="comment"> av_log(ctx, AV_LOG_DEBUG|AV_LOG_C(134), "Message in purple\n");</span>
<a name="l00214"></a>00214 <span class="comment"> @endcode</span>
<a name="l00215"></a>00215 <span class="comment"> * Requires 256color terminal support. Uses outside debugging is not</span>
<a name="l00216"></a>00216 <span class="comment"> * recommended.</span>
<a name="l00217"></a>00217 <span class="comment"> */</span>
<a name="l00218"></a><a class="code" href="group__lavu__log.html#ga7ff5a41a9e5e2969f1b125d4bb6ce536">00218</a> <span class="preprocessor">#define AV_LOG_C(x) ((x) << 8)</span>
<a name="l00219"></a>00219 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00220"></a>00220 <span class="comment">/**</span>
<a name="l00221"></a>00221 <span class="comment"> * Send the specified message to the log if the level is less than or equal</span>
<a name="l00222"></a>00222 <span class="comment"> * to the current av_log_level. By default, all logging messages are sent to</span>
<a name="l00223"></a>00223 <span class="comment"> * stderr. This behavior can be altered by setting a different logging callback</span>
<a name="l00224"></a>00224 <span class="comment"> * function.</span>
<a name="l00225"></a>00225 <span class="comment"> * @see av_log_set_callback</span>
<a name="l00226"></a>00226 <span class="comment"> *</span>
<a name="l00227"></a>00227 <span class="comment"> * @param avcl A pointer to an arbitrary struct of which the first field is a</span>
<a name="l00228"></a>00228 <span class="comment"> * pointer to an AVClass struct or NULL if general log.</span>
<a name="l00229"></a>00229 <span class="comment"> * @param level The importance level of the message expressed using a @ref</span>
<a name="l00230"></a>00230 <span class="comment"> * lavu_log_constants "Logging Constant".</span>
<a name="l00231"></a>00231 <span class="comment"> * @param fmt The format string (printf-compatible) that specifies how</span>
<a name="l00232"></a>00232 <span class="comment"> * subsequent arguments are converted to output.</span>
<a name="l00233"></a>00233 <span class="comment"> */</span>
<a name="l00234"></a>00234 <span class="keywordtype">void</span> <a class="code" href="group__lavu__log.html#gabd386ffd4b27637cf34e98d5d1a6e8ae" title="Send the specified message to the log if the level is less than or equal to the current av_log_level...">av_log</a>(<span class="keywordtype">void</span> *avcl, <span class="keywordtype">int</span> level, <span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, ...) <a class="code" href="attributes_8h.html#a4b078d4b8e02c0f452ee1dcaa7d983d3">av_printf_format</a>(3, 4);
<a name="l00235"></a>00235
<a name="l00236"></a>00236 <span class="comment"></span>
<a name="l00237"></a>00237 <span class="comment">/**</span>
<a name="l00238"></a>00238 <span class="comment"> * Send the specified message to the log if the level is less than or equal</span>
<a name="l00239"></a>00239 <span class="comment"> * to the current av_log_level. By default, all logging messages are sent to</span>
<a name="l00240"></a>00240 <span class="comment"> * stderr. This behavior can be altered by setting a different logging callback</span>
<a name="l00241"></a>00241 <span class="comment"> * function.</span>
<a name="l00242"></a>00242 <span class="comment"> * @see av_log_set_callback</span>
<a name="l00243"></a>00243 <span class="comment"> *</span>
<a name="l00244"></a>00244 <span class="comment"> * @param avcl A pointer to an arbitrary struct of which the first field is a</span>
<a name="l00245"></a>00245 <span class="comment"> * pointer to an AVClass struct.</span>
<a name="l00246"></a>00246 <span class="comment"> * @param level The importance level of the message expressed using a @ref</span>
<a name="l00247"></a>00247 <span class="comment"> * lavu_log_constants "Logging Constant".</span>
<a name="l00248"></a>00248 <span class="comment"> * @param fmt The format string (printf-compatible) that specifies how</span>
<a name="l00249"></a>00249 <span class="comment"> * subsequent arguments are converted to output.</span>
<a name="l00250"></a>00250 <span class="comment"> * @param vl The arguments referenced by the format string.</span>
<a name="l00251"></a>00251 <span class="comment"> */</span>
<a name="l00252"></a>00252 <span class="keywordtype">void</span> <a class="code" href="group__lavu__log.html#ga6d72fb598cff2c8385069a1fc2ee5812" title="Send the specified message to the log if the level is less than or equal to the current av_log_level...">av_vlog</a>(<span class="keywordtype">void</span> *avcl, <span class="keywordtype">int</span> level, const <span class="keywordtype">char</span> *fmt, va_list vl);
<a name="l00253"></a>00253 <span class="comment"></span>
<a name="l00254"></a>00254 <span class="comment">/**</span>
<a name="l00255"></a>00255 <span class="comment"> * Get the current log level</span>
<a name="l00256"></a>00256 <span class="comment"> *</span>
<a name="l00257"></a>00257 <span class="comment"> * @see lavu_log_constants</span>
<a name="l00258"></a>00258 <span class="comment"> *</span>
<a name="l00259"></a>00259 <span class="comment"> * @return Current log level</span>
<a name="l00260"></a>00260 <span class="comment"> */</span>
<a name="l00261"></a>00261 <span class="keywordtype">int</span> <a class="code" href="group__lavu__log.html#gae8ada5cc5722548d8698650b05207904" title="Get the current log level.">av_log_get_level</a>(<span class="keywordtype">void</span>);
<a name="l00262"></a>00262 <span class="comment"></span>
<a name="l00263"></a>00263 <span class="comment">/**</span>
<a name="l00264"></a>00264 <span class="comment"> * Set the log level</span>
<a name="l00265"></a>00265 <span class="comment"> *</span>
<a name="l00266"></a>00266 <span class="comment"> * @see lavu_log_constants</span>
<a name="l00267"></a>00267 <span class="comment"> *</span>
<a name="l00268"></a>00268 <span class="comment"> * @param level Logging level</span>
<a name="l00269"></a>00269 <span class="comment"> */</span>
<a name="l00270"></a>00270 <span class="keywordtype">void</span> <a class="code" href="group__lavu__log.html#ga1fd32c74db581e3e2e7f35d277bb1e24" title="Set the log level.">av_log_set_level</a>(<span class="keywordtype">int</span> level);
<a name="l00271"></a>00271 <span class="comment"></span>
<a name="l00272"></a>00272 <span class="comment">/**</span>
<a name="l00273"></a>00273 <span class="comment"> * Set the logging callback</span>
<a name="l00274"></a>00274 <span class="comment"> *</span>
<a name="l00275"></a>00275 <span class="comment"> * @note The callback must be thread safe, even if the application does not use</span>
<a name="l00276"></a>00276 <span class="comment"> * threads itself as some codecs are multithreaded.</span>
<a name="l00277"></a>00277 <span class="comment"> *</span>
<a name="l00278"></a>00278 <span class="comment"> * @see av_log_default_callback</span>
<a name="l00279"></a>00279 <span class="comment"> *</span>
<a name="l00280"></a>00280 <span class="comment"> * @param callback A logging function with a compatible signature.</span>
<a name="l00281"></a>00281 <span class="comment"> */</span>
<a name="l00282"></a>00282 <span class="keywordtype">void</span> <a class="code" href="group__lavu__log.html#ga14034761faf581a8b9ed6ef19b313708" title="Set the logging callback.">av_log_set_callback</a>(<span class="keywordtype">void</span> (*callback)(<span class="keywordtype">void</span>*, <span class="keywordtype">int</span>, const <span class="keywordtype">char</span>*, va_list));
<a name="l00283"></a>00283 <span class="comment"></span>
<a name="l00284"></a>00284 <span class="comment">/**</span>
<a name="l00285"></a>00285 <span class="comment"> * Default logging callback</span>
<a name="l00286"></a>00286 <span class="comment"> *</span>
<a name="l00287"></a>00287 <span class="comment"> * It prints the message to stderr, optionally colorizing it.</span>
<a name="l00288"></a>00288 <span class="comment"> *</span>
<a name="l00289"></a>00289 <span class="comment"> * @param avcl A pointer to an arbitrary struct of which the first field is a</span>
<a name="l00290"></a>00290 <span class="comment"> * pointer to an AVClass struct.</span>
<a name="l00291"></a>00291 <span class="comment"> * @param level The importance level of the message expressed using a @ref</span>
<a name="l00292"></a>00292 <span class="comment"> * lavu_log_constants "Logging Constant".</span>
<a name="l00293"></a>00293 <span class="comment"> * @param fmt The format string (printf-compatible) that specifies how</span>
<a name="l00294"></a>00294 <span class="comment"> * subsequent arguments are converted to output.</span>
<a name="l00295"></a>00295 <span class="comment"> * @param vl The arguments referenced by the format string.</span>
<a name="l00296"></a>00296 <span class="comment"> */</span>
<a name="l00297"></a>00297 <span class="keywordtype">void</span> <a class="code" href="group__lavu__log.html#ga5bd132d2e4ac6f9843ef6d8e3c05050a" title="Default logging callback.">av_log_default_callback</a>(<span class="keywordtype">void</span> *avcl, <span class="keywordtype">int</span> level, const <span class="keywordtype">char</span> *fmt,
<a name="l00298"></a>00298 va_list vl);
<a name="l00299"></a>00299 <span class="comment"></span>
<a name="l00300"></a>00300 <span class="comment">/**</span>
<a name="l00301"></a>00301 <span class="comment"> * Return the context name</span>
<a name="l00302"></a>00302 <span class="comment"> *</span>
<a name="l00303"></a>00303 <span class="comment"> * @param ctx The AVClass context</span>
<a name="l00304"></a>00304 <span class="comment"> *</span>
<a name="l00305"></a>00305 <span class="comment"> * @return The AVClass class_name</span>
<a name="l00306"></a>00306 <span class="comment"> */</span>
<a name="l00307"></a>00307 const <span class="keywordtype">char</span>* <a class="code" href="group__lavu__log.html#ga791fcd0dba1d19fe0c3677509344328e" title="Return the context name.">av_default_item_name</a>(<span class="keywordtype">void</span>* ctx);
<a name="l00308"></a>00308 <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9">AVClassCategory</a> <a class="code" href="group__lavu__log.html#ga796896ca6a991fda200e8363777aeea3">av_default_get_category</a>(<span class="keywordtype">void</span> *ptr);
<a name="l00309"></a>00309 <span class="comment"></span>
<a name="l00310"></a>00310 <span class="comment">/**</span>
<a name="l00311"></a>00311 <span class="comment"> * Format a line of log the same way as the default callback.</span>
<a name="l00312"></a>00312 <span class="comment"> * @param line buffer to receive the formatted line</span>
<a name="l00313"></a>00313 <span class="comment"> * @param line_size size of the buffer</span>
<a name="l00314"></a>00314 <span class="comment"> * @param print_prefix used to store whether the prefix must be printed;</span>
<a name="l00315"></a>00315 <span class="comment"> * must point to a persistent integer initially set to 1</span>
<a name="l00316"></a>00316 <span class="comment"> */</span>
<a name="l00317"></a>00317 <span class="keywordtype">void</span> <a class="code" href="group__lavu__log.html#gaed9e57ccba2adc41864f54f47dfcccec" title="Format a line of log the same way as the default callback.">av_log_format_line</a>(<span class="keywordtype">void</span> *ptr, <span class="keywordtype">int</span> level, const <span class="keywordtype">char</span> *fmt, va_list vl,
<a name="l00318"></a>00318 <span class="keywordtype">char</span> *line, <span class="keywordtype">int</span> line_size, <span class="keywordtype">int</span> *print_prefix);
<a name="l00319"></a>00319
<a name="l00320"></a>00320 <span class="preprocessor">#if FF_API_DLOG</span>
<a name="l00321"></a>00321 <span class="preprocessor"></span><span class="comment">/**</span>
<a name="l00322"></a>00322 <span class="comment"> * av_dlog macros</span>
<a name="l00323"></a>00323 <span class="comment"> * @deprecated unused</span>
<a name="l00324"></a>00324 <span class="comment"> * Useful to print debug messages that shouldn't get compiled in normally.</span>
<a name="l00325"></a>00325 <span class="comment"> */</span>
<a name="l00326"></a>00326
<a name="l00327"></a>00327 <span class="preprocessor">#ifdef DEBUG</span>
<a name="l00328"></a>00328 <span class="preprocessor"></span><span class="preprocessor"># define av_dlog(pctx, ...) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__)</span>
<a name="l00329"></a>00329 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00330"></a>00330 <span class="preprocessor"></span><span class="preprocessor"># define av_dlog(pctx, ...) do { if (0) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__); } while (0)</span>
<a name="l00331"></a>00331 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00332"></a>00332 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* FF_API_DLOG */</span>
<a name="l00333"></a>00333 <span class="comment"></span>
<a name="l00334"></a>00334 <span class="comment">/**</span>
<a name="l00335"></a>00335 <span class="comment"> * Skip repeated messages, this requires the user app to use av_log() instead of</span>
<a name="l00336"></a>00336 <span class="comment"> * (f)printf as the 2 would otherwise interfere and lead to</span>
<a name="l00337"></a>00337 <span class="comment"> * "Last message repeated x times" messages below (f)printf messages with some</span>
<a name="l00338"></a>00338 <span class="comment"> * bad luck.</span>
<a name="l00339"></a>00339 <span class="comment"> * Also to receive the last, "last repeated" line if any, the user app must</span>
<a name="l00340"></a>00340 <span class="comment"> * call av_log(NULL, AV_LOG_QUIET, "%s", ""); at the end</span>
<a name="l00341"></a>00341 <span class="comment"> */</span>
<a name="l00342"></a><a class="code" href="group__lavu__log.html#ga6cdf5cd331b17e80e8308124f05a6db8">00342</a> <span class="preprocessor">#define AV_LOG_SKIP_REPEATED 1</span>
<a name="l00343"></a>00343 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00344"></a>00344 <span class="comment">/**</span>
<a name="l00345"></a>00345 <span class="comment"> * Include the log severity in messages originating from codecs.</span>
<a name="l00346"></a>00346 <span class="comment"> *</span>
<a name="l00347"></a>00347 <span class="comment"> * Results in messages such as:</span>
<a name="l00348"></a>00348 <span class="comment"> * [rawvideo @ 0xDEADBEEF] [error] encode did not produce valid pts</span>
<a name="l00349"></a>00349 <span class="comment"> */</span>
<a name="l00350"></a><a class="code" href="group__lavu__log.html#ga8b447fa5f9d7e243be4634878ed1a0ca">00350</a> <span class="preprocessor">#define AV_LOG_PRINT_LEVEL 2</span>
<a name="l00351"></a>00351 <span class="preprocessor"></span>
<a name="l00352"></a>00352 <span class="keywordtype">void</span> <a class="code" href="group__lavu__log.html#gaf8143cc9a7cd364af1ff525c6181c0ce">av_log_set_flags</a>(<span class="keywordtype">int</span> arg);
<a name="l00353"></a>00353 <span class="keywordtype">int</span> <a class="code" href="group__lavu__log.html#ga86a29f38fba2fdb9579d5fa3bbf6f8bf">av_log_get_flags</a>(<span class="keywordtype">void</span>);
<a name="l00354"></a>00354 <span class="comment"></span>
<a name="l00355"></a>00355 <span class="comment">/**</span>
<a name="l00356"></a>00356 <span class="comment"> * @}</span>
<a name="l00357"></a>00357 <span class="comment"> */</span>
<a name="l00358"></a>00358
<a name="l00359"></a>00359 <span class="preprocessor">#endif </span><span class="comment">/* AVUTIL_LOG_H */</span>
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