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<a href="log_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at></span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * This file is part of FFmpeg.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * FFmpeg is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * License as published by the Free Software Foundation; either</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * FFmpeg is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * License along with FFmpeg; if not, write to the Free Software</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#ifndef AVUTIL_LOG_H</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"></span><span class="preprocessor">#define AVUTIL_LOG_H</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <stdarg.h></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="avutil_8h.html">avutil.h</a>"</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="attributes_8h.html">attributes.h</a>"</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="libavutil_2version_8h.html">version.h</a>"</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9"> 29</a></span> <span class="keyword">typedef</span> <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a71af9d0d8f60e47a7a83046e27dadefa"> 30</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a71af9d0d8f60e47a7a83046e27dadefa">AV_CLASS_CATEGORY_NA</a> = 0,</div>
<div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a0b907bb25d241484062534be320001d1"> 31</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a0b907bb25d241484062534be320001d1">AV_CLASS_CATEGORY_INPUT</a>,</div>
<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a922ed45f6aaa6e0bdcdcdcfa20e5f6a4"> 32</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a922ed45f6aaa6e0bdcdcdcfa20e5f6a4">AV_CLASS_CATEGORY_OUTPUT</a>,</div>
<div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a25e15ba6dba2dcd767d69c04eaa38a59"> 33</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a25e15ba6dba2dcd767d69c04eaa38a59">AV_CLASS_CATEGORY_MUXER</a>,</div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a86a70f4c26b01f85c4c23433322eec2c"> 34</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a86a70f4c26b01f85c4c23433322eec2c">AV_CLASS_CATEGORY_DEMUXER</a>,</div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9ae22f8fa66b02cff95fb04ec963713a4c"> 35</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9ae22f8fa66b02cff95fb04ec963713a4c">AV_CLASS_CATEGORY_ENCODER</a>,</div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9af24522b3c299ba8b85a5a00574d43b2b"> 36</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9af24522b3c299ba8b85a5a00574d43b2b">AV_CLASS_CATEGORY_DECODER</a>,</div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a78b8da9853ff87127b31ceb9a78f3a37"> 37</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a78b8da9853ff87127b31ceb9a78f3a37">AV_CLASS_CATEGORY_FILTER</a>,</div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a2aa971aa717aa1f2b812ed1358ff7fbf"> 38</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a2aa971aa717aa1f2b812ed1358ff7fbf">AV_CLASS_CATEGORY_BITSTREAM_FILTER</a>,</div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a2852542cb189f4d25e470ee67e09ff6a"> 39</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a2852542cb189f4d25e470ee67e09ff6a">AV_CLASS_CATEGORY_SWSCALER</a>,</div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9acf18a1d69313a920e4a5229c86de8e1c"> 40</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9acf18a1d69313a920e4a5229c86de8e1c">AV_CLASS_CATEGORY_SWRESAMPLER</a>,</div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a6facbfe512802ca4b03378f5c4bd2aa2"> 41</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a6facbfe512802ca4b03378f5c4bd2aa2">AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT</a> = 40,</div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a73fb8c6b471b22685e8d2836f25ca6c7"> 42</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a73fb8c6b471b22685e8d2836f25ca6c7">AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT</a>,</div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a4acd911842413e1bd9e1387f7b6b5e4b"> 43</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a4acd911842413e1bd9e1387f7b6b5e4b">AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT</a>,</div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9aacba77c66d969c8dbd8b9597e9b98869"> 44</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9aacba77c66d969c8dbd8b9597e9b98869">AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT</a>,</div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a47ac8b5cb587a90463644ccab01ce71b"> 45</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a47ac8b5cb587a90463644ccab01ce71b">AV_CLASS_CATEGORY_DEVICE_OUTPUT</a>,</div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9ace341ef5b34a656419e6ae61474334e1"> 46</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9ace341ef5b34a656419e6ae61474334e1">AV_CLASS_CATEGORY_DEVICE_INPUT</a>,</div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a6500b5dc52e5485b497c3f7228ce637f"> 47</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a6500b5dc52e5485b497c3f7228ce637f">AV_CLASS_CATEGORY_NB</a>, <span class="comment">///< not part of ABI/API</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"></span>}<a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9">AVClassCategory</a>;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="log_8h.html#ad0e526bec7e5efded0893bfed967fe94"> 50</a></span> <span class="preprocessor">#define AV_IS_INPUT_DEVICE(category) \</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"> (((category) == AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT) || \</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor"> ((category) == AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT) || \</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"> ((category) == AV_CLASS_CATEGORY_DEVICE_INPUT))</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="log_8h.html#a95810fbec46199cb25ccddae6b900bd8"> 55</a></span> <span class="preprocessor">#define AV_IS_OUTPUT_DEVICE(category) \</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"> (((category) == AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT) || \</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"> ((category) == AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT) || \</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"> ((category) == AV_CLASS_CATEGORY_DEVICE_OUTPUT))</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">struct </span><a class="code" href="structAVOptionRanges.html">AVOptionRanges</a>;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"></span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> * Describe the class of an AVClass context structure. That is an</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> * arbitrary struct of which the first field is a pointer to an</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> * AVClass struct (e.g. AVCodecContext, AVFormatContext etc.).</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="structAVClass.html"> 67</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structAVClass.html">AVClass</a> {<span class="comment"></span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"> * The name of the class; usually it is the same name as the</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"> * context structure type to which the AVClass is associated.</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="structAVClass.html#aa8883e113a3f2965abd008f7667db7eb"> 72</a></span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="structAVClass.html#aa8883e113a3f2965abd008f7667db7eb">class_name</a>;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"></span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment"> * A pointer to a function which returns the name of a context</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment"> * instance ctx associated with the class.</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="structAVClass.html#abdb9b352e115fc158835afd56ef8b78b"> 78</a></span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* (*item_name)(<span class="keywordtype">void</span>* ctx);</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"></span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment"> * a pointer to the first option specified in the class if any or NULL</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment"> * @see av_set_default_options()</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="structAVClass.html#a75207076350fd2342191bc2091699f00"> 85</a></span>  <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structAVOption.html">AVOption</a> *<a class="code" href="structAVClass.html#a75207076350fd2342191bc2091699f00">option</a>;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"></span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment"> * LIBAVUTIL_VERSION with which this structure was created.</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment"> * This is used to allow fields to be added without requiring major</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"> * version bumps everywhere.</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="structAVClass.html#a7859d861c0924aa74d848f93253c263a"> 93</a></span>  <span class="keywordtype">int</span> <a class="code" href="structAVClass.html#a7859d861c0924aa74d848f93253c263a">version</a>;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"></span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment"> * Offset in the structure where log_level_offset is stored.</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment"> * 0 means there is no such variable</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="structAVClass.html#afbde6320c22278fac43732f7410b66e7"> 99</a></span>  <span class="keywordtype">int</span> <a class="code" href="structAVClass.html#afbde6320c22278fac43732f7410b66e7">log_level_offset_offset</a>;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment"></span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"> * Offset in the structure where a pointer to the parent context for</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"> * logging is stored. For example a decoder could pass its AVCodecContext</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> * to eval as such a parent context, which an av_log() implementation</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> * could then leverage to display the parent context.</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> * The offset can be NULL.</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="structAVClass.html#a88948c8a7c6515181771615a54a808bf"> 108</a></span>  <span class="keywordtype">int</span> <a class="code" href="structAVClass.html#a88948c8a7c6515181771615a54a808bf">parent_log_context_offset</a>;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment"></span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment"> * Return next AVOptions-enabled child or NULL</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="structAVClass.html#af13472aa40bca9eaad0d5b4ee4c00cab"> 113</a></span>  <span class="keywordtype">void</span>* (*child_next)(<span class="keywordtype">void</span> *obj, <span class="keywordtype">void</span> *prev);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment"></span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"> * Return an AVClass corresponding to the next potential</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"> * AVOptions-enabled child.</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"> * The difference between child_next and this is that</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment"> * child_next iterates over _already existing_ objects, while</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment"> * child_class_next iterates over _all possible_ children.</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="structAVClass.html#a0f4a274042064e70970f1be345c43343"> 123</a></span>  <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structAVClass.html">AVClass</a>* (*child_class_next)(<span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structAVClass.html">AVClass</a> *prev);</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment"></span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="comment"> * Category used for visualization (like color)</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment"> * This is only set if the category is equal for all objects using this class.</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment"> * available since version (51 << 16 | 56 << 8 | 100)</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="structAVClass.html#a5fc161d93a0d65a608819da20b7203ba"> 130</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9">AVClassCategory</a> <a class="code" href="structAVClass.html#a5fc161d93a0d65a608819da20b7203ba">category</a>;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"></span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"> * Callback to return the category.</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment"> * available since version (51 << 16 | 59 << 8 | 100)</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"><a class="line" href="structAVClass.html#a7a5708eb9185fbc45741612028f40976"> 136</a></span>  <a class="code" href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9">AVClassCategory</a> (*<a class="code" href="structAVClass.html#a7a5708eb9185fbc45741612028f40976">get_category</a>)(<span class="keywordtype">void</span>* ctx);</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment"></span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment"> /**</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment"> * Callback to return the supported/allowed ranges.</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment"> * available since version (52.12)</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"><a class="line" href="structAVClass.html#a2e3cca1bb1e7c441087eaad810b4384b"> 142</a></span>  int (*<a class="code" href="structAVClass.html#a2e3cca1bb1e7c441087eaad810b4384b">query_ranges</a>)(<span class="keyword">struct </span><a class="code" href="structAVOptionRanges.html">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);</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> } <a class="code" href="structAVClass.html">AVClass</a>;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment"></span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"> * @addtogroup lavu_log</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> * @{</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> * @defgroup lavu_log_constants Logging Constants</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> * @{</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment"></span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment"> * Print no output.</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"><a class="line" href="group__lavu__log__constants.html#ga11e329935b59b83ca722b66674f37fd4"> 158</a></span> <span class="preprocessor">#define AV_LOG_QUIET -8</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"> * Something went really wrong and we will crash now.</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00163"></a><span class="lineno"><a class="line" href="group__lavu__log__constants.html#ga09623098406ba81d130824ac742d146e"> 163</a></span> <span class="preprocessor">#define AV_LOG_PANIC 0</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment"> * Something went wrong and recovery is not possible.</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment"> * For example, no header was found for a format which depends</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment"> * on headers or an illegal combination of parameters is used.</span></div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"><a class="line" href="group__lavu__log__constants.html#ga96970a2980bf6ad28cd403e7dc52d6c5"> 170</a></span> <span class="preprocessor">#define AV_LOG_FATAL 8</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment"> * Something went wrong and cannot losslessly be recovered.</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="comment"> * However, not all future data is affected.</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="group__lavu__log__constants.html#gaffe151ff4cd8a24b2e77ac8d9616c85c"> 176</a></span> <span class="preprocessor">#define AV_LOG_ERROR 16</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment"> * Something somehow does not look correct. This may or may not</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"> * lead to problems. An example would be the use of '-vstrict -2'.</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"><a class="line" href="group__lavu__log__constants.html#ga85b57516ca703cc47d9bbe5f4658c716"> 182</a></span> <span class="preprocessor">#define AV_LOG_WARNING 24</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment"> * Standard information.</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"><a class="line" href="group__lavu__log__constants.html#gad172eacfed8653e454c6fdcbe53baab3"> 187</a></span> <span class="preprocessor">#define AV_LOG_INFO 32</span></div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment"> * Detailed information.</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"><a class="line" href="group__lavu__log__constants.html#ga9b58b28e2d429b930b69db19877f76a8"> 192</a></span> <span class="preprocessor">#define AV_LOG_VERBOSE 40</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment"> * Stuff which is only useful for libav* developers.</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"><a class="line" href="group__lavu__log__constants.html#ga5b7221c3afd06848486776bd834a58a5"> 197</a></span> <span class="preprocessor">#define AV_LOG_DEBUG 48</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment"> * Extremely verbose debugging, useful for libav* development.</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="group__lavu__log__constants.html#ga030300ea4843c53b2fe178a434964b39"> 202</a></span> <span class="preprocessor">#define AV_LOG_TRACE 56</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00204"></a><span class="lineno"><a class="line" href="group__lavu__log__constants.html#gad87b54332d00f280bf5db0fd2f56f340"> 204</a></span> <span class="preprocessor">#define AV_LOG_MAX_OFFSET (AV_LOG_TRACE - AV_LOG_QUIET)</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment"> * @}</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"></span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment"> * Sets additional colors for extended debugging sessions.</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment"> * @code</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="comment"> av_log(ctx, AV_LOG_DEBUG|AV_LOG_C(134), "Message in purple\n");</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment"> @endcode</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment"> * Requires 256color terminal support. Uses outside debugging is not</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment"> * recommended.</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"><a class="line" href="group__lavu__log.html#ga7ff5a41a9e5e2969f1b125d4bb6ce536"> 218</a></span> <span class="preprocessor">#define AV_LOG_C(x) ((x) << 8)</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment"> * Send the specified message to the log if the level is less than or equal</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="comment"> * to the current av_log_level. By default, all logging messages are sent to</span></div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="comment"> * stderr. This behavior can be altered by setting a different logging callback</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="comment"> * function.</span></div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="comment"> * @see av_log_set_callback</span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment"> * @param avcl A pointer to an arbitrary struct of which the first field is a</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment"> * pointer to an AVClass struct or NULL if general log.</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment"> * @param level The importance level of the message expressed using a @ref</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment"> * lavu_log_constants "Logging Constant".</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="comment"> * @param fmt The format string (printf-compatible) that specifies how</span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="comment"> * subsequent arguments are converted to output.</span></div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="keywordtype">void</span> <a class="code" href="group__lavu__log.html#gabd386ffd4b27637cf34e98d5d1a6e8ae">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);</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment"></span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment"> * Send the specified message to the log if the level is less than or equal</span></div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment"> * to the current av_log_level. By default, all logging messages are sent to</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="comment"> * stderr. This behavior can be altered by setting a different logging callback</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="comment"> * function.</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="comment"> * @see av_log_set_callback</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment"> * @param avcl A pointer to an arbitrary struct of which the first field is a</span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment"> * pointer to an AVClass struct.</span></div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment"> * @param level The importance level of the message expressed using a @ref</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment"> * lavu_log_constants "Logging Constant".</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"> * @param fmt The format string (printf-compatible) that specifies how</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment"> * subsequent arguments are converted to output.</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> * @param vl The arguments referenced by the format string.</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="keywordtype">void</span> <a class="code" href="group__lavu__log.html#ga6d72fb598cff2c8385069a1fc2ee5812">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);</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"></span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="comment"> * Get the current log level</span></div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment"> * @see lavu_log_constants</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="comment"> * @return Current log level</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="keywordtype">int</span> <a class="code" href="group__lavu__log.html#gae8ada5cc5722548d8698650b05207904">av_log_get_level</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment"></span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment"> * Set the log level</span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment"> * @see lavu_log_constants</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment"> * @param level Logging level</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="keywordtype">void</span> <a class="code" href="group__lavu__log.html#ga1fd32c74db581e3e2e7f35d277bb1e24">av_log_set_level</a>(<span class="keywordtype">int</span> level);</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="comment"></span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="comment"> * Set the logging callback</span></div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="comment"> * @note The callback must be thread safe, even if the application does not use</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment"> * threads itself as some codecs are multithreaded.</span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment"> * @see av_log_default_callback</span></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="comment"> * @param callback A logging function with a compatible signature.</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="keywordtype">void</span> <a class="code" href="group__lavu__log.html#ga14034761faf581a8b9ed6ef19b313708">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));</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="comment"></span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="comment"> * Default logging callback</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="comment"> * It prints the message to stderr, optionally colorizing it.</span></div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="comment"> * @param avcl A pointer to an arbitrary struct of which the first field is a</span></div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="comment"> * pointer to an AVClass struct.</span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment"> * @param level The importance level of the message expressed using a @ref</span></div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment"> * lavu_log_constants "Logging Constant".</span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment"> * @param fmt The format string (printf-compatible) that specifies how</span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="comment"> * subsequent arguments are converted to output.</span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="comment"> * @param vl The arguments referenced by the format string.</span></div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="keywordtype">void</span> <a class="code" href="group__lavu__log.html#ga5bd132d2e4ac6f9843ef6d8e3c05050a">av_log_default_callback</a>(<span class="keywordtype">void</span> *avcl, <span class="keywordtype">int</span> level, const <span class="keywordtype">char</span> *fmt,</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  va_list vl);</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="comment"></span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="comment"> * Return the context name</span></div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="comment"> * @param ctx The AVClass context</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="comment"> * @return The AVClass class_name</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> const <span class="keywordtype">char</span>* <a class="code" href="group__lavu__log.html#ga791fcd0dba1d19fe0c3677509344328e">av_default_item_name</a>(<span class="keywordtype">void</span>* ctx);</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <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);</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="comment"></span></div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="comment"> * Format a line of log the same way as the default callback.</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment"> * @param line buffer to receive the formatted line</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="comment"> * @param line_size size of the buffer</span></div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="comment"> * @param print_prefix used to store whether the prefix must be printed;</span></div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="comment"> * must point to a persistent integer initially set to 1</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="keywordtype">void</span> <a class="code" href="group__lavu__log.html#gaed9e57ccba2adc41864f54f47dfcccec">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,</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordtype">char</span> *line, <span class="keywordtype">int</span> line_size, <span class="keywordtype">int</span> *print_prefix);</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> </div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="preprocessor">#if FF_API_DLOG</span></div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="preprocessor"></span><span class="comment">/**</span></div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="comment"> * av_dlog macros</span></div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="comment"> * @deprecated unused</span></div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="comment"> * Useful to print debug messages that shouldn't get compiled in normally.</span></div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> </div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="preprocessor">#ifdef DEBUG</span></div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="preprocessor"></span><span class="preprocessor"># define av_dlog(pctx, ...) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__)</span></div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <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></div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* FF_API_DLOG */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="comment"> * Skip repeated messages, this requires the user app to use av_log() instead of</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="comment"> * (f)printf as the 2 would otherwise interfere and lead to</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="comment"> * "Last message repeated x times" messages below (f)printf messages with some</span></div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="comment"> * bad luck.</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="comment"> * Also to receive the last, "last repeated" line if any, the user app must</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="comment"> * call av_log(NULL, AV_LOG_QUIET, "%s", ""); at the end</span></div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00342"></a><span class="lineno"><a class="line" href="group__lavu__log.html#ga6cdf5cd331b17e80e8308124f05a6db8"> 342</a></span> <span class="preprocessor">#define AV_LOG_SKIP_REPEATED 1</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="comment"> * Include the log severity in messages originating from codecs.</span></div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="comment"> * Results in messages such as:</span></div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="comment"> * [rawvideo @ 0xDEADBEEF] [error] encode did not produce valid pts</span></div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00350"></a><span class="lineno"><a class="line" href="group__lavu__log.html#ga8b447fa5f9d7e243be4634878ed1a0ca"> 350</a></span> <span class="preprocessor">#define AV_LOG_PRINT_LEVEL 2</span></div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <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);</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="keywordtype">int</span> <a class="code" href="group__lavu__log.html#ga86a29f38fba2fdb9579d5fa3bbf6f8bf">av_log_get_flags</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="comment"></span></div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="comment"> * @}</span></div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> </div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="preprocessor">#endif </span><span class="comment">/* AVUTIL_LOG_H */</span><span class="preprocessor"></span></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9a922ed45f6aaa6e0bdcdcdcfa20e5f6a4"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a922ed45f6aaa6e0bdcdcdcfa20e5f6a4">AV_CLASS_CATEGORY_OUTPUT</a></div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00032">log.h:32</a></div></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9a4acd911842413e1bd9e1387f7b6b5e4b"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a4acd911842413e1bd9e1387f7b6b5e4b">AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT</a></div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00043">log.h:43</a></div></div>
<div class="ttc" id="structAVOption_html"><div class="ttname"><a href="structAVOption.html">AVOption</a></div><div class="ttdoc">AVOption. </div><div class="ttdef"><b>Definition:</b> <a href="opt_8h_source.html#l00245">opt.h:245</a></div></div>
<div class="ttc" id="group__lavu__log_html_ga1fd32c74db581e3e2e7f35d277bb1e24"><div class="ttname"><a href="group__lavu__log.html#ga1fd32c74db581e3e2e7f35d277bb1e24">av_log_set_level</a></div><div class="ttdeci">void av_log_set_level(int level)</div><div class="ttdoc">Set the log level. </div></div>
<div class="ttc" id="group__lavu__log_html_ga791fcd0dba1d19fe0c3677509344328e"><div class="ttname"><a href="group__lavu__log.html#ga791fcd0dba1d19fe0c3677509344328e">av_default_item_name</a></div><div class="ttdeci">const char * av_default_item_name(void *ctx)</div><div class="ttdoc">Return the context name. </div></div>
<div class="ttc" id="group__lavu__log_html_gabd386ffd4b27637cf34e98d5d1a6e8ae"><div class="ttname"><a href="group__lavu__log.html#gabd386ffd4b27637cf34e98d5d1a6e8ae">av_log</a></div><div class="ttdeci">void av_log(void *avcl, int level, const char *fmt,...) av_printf_format(3</div><div class="ttdoc">Send the specified message to the log if the level is less than or equal to the current av_log_level...</div></div>
<div class="ttc" id="avutil_8h_html"><div class="ttname"><a href="avutil_8h.html">avutil.h</a></div><div class="ttdoc">external API header </div></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9a71af9d0d8f60e47a7a83046e27dadefa"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a71af9d0d8f60e47a7a83046e27dadefa">AV_CLASS_CATEGORY_NA</a></div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00030">log.h:30</a></div></div>
<div class="ttc" id="attributes_8h_html"><div class="ttname"><a href="attributes_8h.html">attributes.h</a></div><div class="ttdoc">Macro definitions for various function/variable attributes. </div></div>
<div class="ttc" id="structAVClass_html_aa8883e113a3f2965abd008f7667db7eb"><div class="ttname"><a href="structAVClass.html#aa8883e113a3f2965abd008f7667db7eb">AVClass::class_name</a></div><div class="ttdeci">const char * class_name</div><div class="ttdoc">The name of the class; usually it is the same name as the context structure type to which the AVClass...</div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00072">log.h:72</a></div></div>
<div class="ttc" id="structAVClass_html_a75207076350fd2342191bc2091699f00"><div class="ttname"><a href="structAVClass.html#a75207076350fd2342191bc2091699f00">AVClass::option</a></div><div class="ttdeci">const struct AVOption * option</div><div class="ttdoc">a pointer to the first option specified in the class if any or NULL </div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00085">log.h:85</a></div></div>
<div class="ttc" id="structAVClass_html_afbde6320c22278fac43732f7410b66e7"><div class="ttname"><a href="structAVClass.html#afbde6320c22278fac43732f7410b66e7">AVClass::log_level_offset_offset</a></div><div class="ttdeci">int log_level_offset_offset</div><div class="ttdoc">Offset in the structure where log_level_offset is stored. </div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00099">log.h:99</a></div></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9a73fb8c6b471b22685e8d2836f25ca6c7"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a73fb8c6b471b22685e8d2836f25ca6c7">AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT</a></div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00042">log.h:42</a></div></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9aacba77c66d969c8dbd8b9597e9b98869"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9aacba77c66d969c8dbd8b9597e9b98869">AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT</a></div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00044">log.h:44</a></div></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9acf18a1d69313a920e4a5229c86de8e1c"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9acf18a1d69313a920e4a5229c86de8e1c">AV_CLASS_CATEGORY_SWRESAMPLER</a></div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00040">log.h:40</a></div></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9ae22f8fa66b02cff95fb04ec963713a4c"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9ae22f8fa66b02cff95fb04ec963713a4c">AV_CLASS_CATEGORY_ENCODER</a></div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00035">log.h:35</a></div></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9a86a70f4c26b01f85c4c23433322eec2c"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a86a70f4c26b01f85c4c23433322eec2c">AV_CLASS_CATEGORY_DEMUXER</a></div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00034">log.h:34</a></div></div>
<div class="ttc" id="group__lavu__log_html_gaed9e57ccba2adc41864f54f47dfcccec"><div class="ttname"><a href="group__lavu__log.html#gaed9e57ccba2adc41864f54f47dfcccec">av_log_format_line</a></div><div class="ttdeci">void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl, char *line, int line_size, int *print_prefix)</div><div class="ttdoc">Format a line of log the same way as the default callback. </div></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9a6facbfe512802ca4b03378f5c4bd2aa2"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a6facbfe512802ca4b03378f5c4bd2aa2">AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT</a></div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00041">log.h:41</a></div></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9a78b8da9853ff87127b31ceb9a78f3a37"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a78b8da9853ff87127b31ceb9a78f3a37">AV_CLASS_CATEGORY_FILTER</a></div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00037">log.h:37</a></div></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9ace341ef5b34a656419e6ae61474334e1"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9ace341ef5b34a656419e6ae61474334e1">AV_CLASS_CATEGORY_DEVICE_INPUT</a></div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00046">log.h:46</a></div></div>
<div class="ttc" id="group__lavu__log_html_gae8ada5cc5722548d8698650b05207904"><div class="ttname"><a href="group__lavu__log.html#gae8ada5cc5722548d8698650b05207904">av_log_get_level</a></div><div class="ttdeci">int av_log_get_level(void)</div><div class="ttdoc">Get the current log level. </div></div>
<div class="ttc" id="structAVClass_html_a5fc161d93a0d65a608819da20b7203ba"><div class="ttname"><a href="structAVClass.html#a5fc161d93a0d65a608819da20b7203ba">AVClass::category</a></div><div class="ttdeci">AVClassCategory category</div><div class="ttdoc">Category used for visualization (like color) This is only set if the category is equal for all object...</div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00130">log.h:130</a></div></div>
<div class="ttc" id="libavutil_2version_8h_html"><div class="ttname"><a href="libavutil_2version_8h.html">version.h</a></div><div class="ttdoc">Libavutil version macros. </div></div>
<div class="ttc" id="group__lavu__log_html_ga5bd132d2e4ac6f9843ef6d8e3c05050a"><div class="ttname"><a href="group__lavu__log.html#ga5bd132d2e4ac6f9843ef6d8e3c05050a">av_log_default_callback</a></div><div class="ttdeci">void av_log_default_callback(void *avcl, int level, const char *fmt, va_list vl)</div><div class="ttdoc">Default logging callback. </div></div>
<div class="ttc" id="attributes_8h_html_a4b078d4b8e02c0f452ee1dcaa7d983d3"><div class="ttname"><a href="attributes_8h.html#a4b078d4b8e02c0f452ee1dcaa7d983d3">av_printf_format</a></div><div class="ttdeci">#define av_printf_format(fmtpos, attrpos)</div><div class="ttdef"><b>Definition:</b> <a href="attributes_8h_source.html#l00156">attributes.h:156</a></div></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9a2852542cb189f4d25e470ee67e09ff6a"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a2852542cb189f4d25e470ee67e09ff6a">AV_CLASS_CATEGORY_SWSCALER</a></div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00039">log.h:39</a></div></div>
<div class="ttc" id="group__lavu__log_html_ga14034761faf581a8b9ed6ef19b313708"><div class="ttname"><a href="group__lavu__log.html#ga14034761faf581a8b9ed6ef19b313708">av_log_set_callback</a></div><div class="ttdeci">void av_log_set_callback(void(*callback)(void *, int, const char *, va_list))</div><div class="ttdoc">Set the logging callback. </div></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9a6500b5dc52e5485b497c3f7228ce637f"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a6500b5dc52e5485b497c3f7228ce637f">AV_CLASS_CATEGORY_NB</a></div><div class="ttdoc">not part of ABI/API </div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00047">log.h:47</a></div></div>
<div class="ttc" id="structAVClass_html_a7a5708eb9185fbc45741612028f40976"><div class="ttname"><a href="structAVClass.html#a7a5708eb9185fbc45741612028f40976">AVClass::get_category</a></div><div class="ttdeci">AVClassCategory(* get_category)(void *ctx)</div><div class="ttdoc">Callback to return the category. </div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00136">log.h:136</a></div></div>
<div class="ttc" id="group__lavu__log_html_ga86a29f38fba2fdb9579d5fa3bbf6f8bf"><div class="ttname"><a href="group__lavu__log.html#ga86a29f38fba2fdb9579d5fa3bbf6f8bf">av_log_get_flags</a></div><div class="ttdeci">int av_log_get_flags(void)</div></div>
<div class="ttc" id="structAVClass_html"><div class="ttname"><a href="structAVClass.html">AVClass</a></div><div class="ttdoc">Describe the class of an AVClass context structure. </div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00067">log.h:67</a></div></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9a25e15ba6dba2dcd767d69c04eaa38a59"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a25e15ba6dba2dcd767d69c04eaa38a59">AV_CLASS_CATEGORY_MUXER</a></div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00033">log.h:33</a></div></div>
<div class="ttc" id="group__lavu__log_html_ga6d72fb598cff2c8385069a1fc2ee5812"><div class="ttname"><a href="group__lavu__log.html#ga6d72fb598cff2c8385069a1fc2ee5812">av_vlog</a></div><div class="ttdeci">void void av_vlog(void *avcl, int level, const char *fmt, va_list vl)</div><div class="ttdoc">Send the specified message to the log if the level is less than or equal to the current av_log_level...</div></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9af24522b3c299ba8b85a5a00574d43b2b"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9af24522b3c299ba8b85a5a00574d43b2b">AV_CLASS_CATEGORY_DECODER</a></div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00036">log.h:36</a></div></div>
<div class="ttc" id="structAVClass_html_a7859d861c0924aa74d848f93253c263a"><div class="ttname"><a href="structAVClass.html#a7859d861c0924aa74d848f93253c263a">AVClass::version</a></div><div class="ttdeci">int version</div><div class="ttdoc">LIBAVUTIL_VERSION with which this structure was created. </div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00093">log.h:93</a></div></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9a2aa971aa717aa1f2b812ed1358ff7fbf"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a2aa971aa717aa1f2b812ed1358ff7fbf">AV_CLASS_CATEGORY_BITSTREAM_FILTER</a></div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00038">log.h:38</a></div></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9a0b907bb25d241484062534be320001d1"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a0b907bb25d241484062534be320001d1">AV_CLASS_CATEGORY_INPUT</a></div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00031">log.h:31</a></div></div>
<div class="ttc" id="structAVClass_html_a2e3cca1bb1e7c441087eaad810b4384b"><div class="ttname"><a href="structAVClass.html#a2e3cca1bb1e7c441087eaad810b4384b">AVClass::query_ranges</a></div><div class="ttdeci">int(* query_ranges)(struct AVOptionRanges **, void *obj, const char *key, int flags)</div><div class="ttdoc">Callback to return the supported/allowed ranges. </div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00142">log.h:142</a></div></div>
<div class="ttc" id="structAVClass_html_a88948c8a7c6515181771615a54a808bf"><div class="ttname"><a href="structAVClass.html#a88948c8a7c6515181771615a54a808bf">AVClass::parent_log_context_offset</a></div><div class="ttdeci">int parent_log_context_offset</div><div class="ttdoc">Offset in the structure where a pointer to the parent context for logging is stored. </div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00108">log.h:108</a></div></div>
<div class="ttc" id="structAVOptionRanges_html"><div class="ttname"><a href="structAVOptionRanges.html">AVOptionRanges</a></div><div class="ttdoc">List of AVOptionRange structs. </div><div class="ttdef"><b>Definition:</b> <a href="opt_8h_source.html#l00329">opt.h:329</a></div></div>
<div class="ttc" id="group__lavu__log_html_ga796896ca6a991fda200e8363777aeea3"><div class="ttname"><a href="group__lavu__log.html#ga796896ca6a991fda200e8363777aeea3">av_default_get_category</a></div><div class="ttdeci">AVClassCategory av_default_get_category(void *ptr)</div></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9">AVClassCategory</a></div><div class="ttdeci">AVClassCategory</div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00029">log.h:29</a></div></div>
<div class="ttc" id="group__lavu__log_html_gaf8143cc9a7cd364af1ff525c6181c0ce"><div class="ttname"><a href="group__lavu__log.html#gaf8143cc9a7cd364af1ff525c6181c0ce">av_log_set_flags</a></div><div class="ttdeci">void av_log_set_flags(int arg)</div></div>
<div class="ttc" id="log_8h_html_aeb1c06cc3e47a029ca6afeac782ac8f9a47ac8b5cb587a90463644ccab01ce71b"><div class="ttname"><a href="log_8h.html#aeb1c06cc3e47a029ca6afeac782ac8f9a47ac8b5cb587a90463644ccab01ce71b">AV_CLASS_CATEGORY_DEVICE_OUTPUT</a></div><div class="ttdef"><b>Definition:</b> <a href="log_8h_source.html#l00045">log.h:45</a></div></div>
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