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 <span id="projectnumber">2.7.1</span>
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<div class="title">libswscale/swscale.h</div> </div>
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<a href="swscale_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) 2001-2011 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 SWSCALE_SWSCALE_H</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define SWSCALE_SWSCALE_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00024"></a>00024 <span class="comment">/**</span>
<a name="l00025"></a>00025 <span class="comment"> * @file</span>
<a name="l00026"></a>00026 <span class="comment"> * @ingroup libsws</span>
<a name="l00027"></a>00027 <span class="comment"> * external API header</span>
<a name="l00028"></a>00028 <span class="comment"> */</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="preprocessor">#include <stdint.h></span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="preprocessor">#include "<a class="code" href="avutil_8h.html" title="external API header">libavutil/avutil.h</a>"</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="log_8h.html">libavutil/log.h</a>"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "<a class="code" href="pixfmt_8h.html" title="pixel format definitions">libavutil/pixfmt.h</a>"</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include "<a class="code" href="libswscale_2version_8h.html" title="swscale version macros">version.h</a>"</span>
<a name="l00036"></a>00036 <span class="comment"></span>
<a name="l00037"></a>00037 <span class="comment">/**</span>
<a name="l00038"></a>00038 <span class="comment"> * @defgroup libsws Color conversion and scaling</span>
<a name="l00039"></a>00039 <span class="comment"> * @{</span>
<a name="l00040"></a>00040 <span class="comment"> *</span>
<a name="l00041"></a>00041 <span class="comment"> * Return the LIBSWSCALE_VERSION_INT constant.</span>
<a name="l00042"></a>00042 <span class="comment"> */</span>
<a name="l00043"></a>00043 <span class="keywordtype">unsigned</span> <a class="code" href="group__libsws.html#gac879a3ada8130d32ba02a9265bfef253">swscale_version</a>(<span class="keywordtype">void</span>);
<a name="l00044"></a>00044 <span class="comment"></span>
<a name="l00045"></a>00045 <span class="comment">/**</span>
<a name="l00046"></a>00046 <span class="comment"> * Return the libswscale build-time configuration.</span>
<a name="l00047"></a>00047 <span class="comment"> */</span>
<a name="l00048"></a>00048 <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="group__libsws.html#gaaee057c84b44975856aa26e7bb0decce" title="Return the libswscale build-time configuration.">swscale_configuration</a>(<span class="keywordtype">void</span>);
<a name="l00049"></a>00049 <span class="comment"></span>
<a name="l00050"></a>00050 <span class="comment">/**</span>
<a name="l00051"></a>00051 <span class="comment"> * Return the libswscale license.</span>
<a name="l00052"></a>00052 <span class="comment"> */</span>
<a name="l00053"></a>00053 <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="group__libsws.html#ga985798b99929665a4dcecf661d45de72" title="Return the libswscale license.">swscale_license</a>(<span class="keywordtype">void</span>);
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="comment">/* values for the flags, the stuff on the command line is different */</span>
<a name="l00056"></a><a class="code" href="group__libsws.html#ga6110064d9edfbec77ca5c3279cb75c31">00056</a> <span class="preprocessor">#define SWS_FAST_BILINEAR 1</span>
<a name="l00057"></a><a class="code" href="group__libsws.html#ga26b45a2c6df7c1637feab34fbb21a9bb">00057</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_BILINEAR 2</span>
<a name="l00058"></a><a class="code" href="group__libsws.html#ga02a4ee9d3c158e842941873d2cf83b9f">00058</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_BICUBIC 4</span>
<a name="l00059"></a><a class="code" href="group__libsws.html#ga5a8a563c525f7a71ef33368a782157a0">00059</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_X 8</span>
<a name="l00060"></a><a class="code" href="group__libsws.html#gaae31eb0722e375c12d4fe7a028694491">00060</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_POINT 0x10</span>
<a name="l00061"></a><a class="code" href="group__libsws.html#ga702a05689a18ccd170e64fb664ebca57">00061</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_AREA 0x20</span>
<a name="l00062"></a><a class="code" href="group__libsws.html#ga867d1e9ac9ad1eafc33cc3e94041b091">00062</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_BICUBLIN 0x40</span>
<a name="l00063"></a><a class="code" href="group__libsws.html#ga6f8f44a4d92bc09eed63984bc3acf94a">00063</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_GAUSS 0x80</span>
<a name="l00064"></a><a class="code" href="group__libsws.html#ga783824f7ce78aff026e9f71f97be00be">00064</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_SINC 0x100</span>
<a name="l00065"></a><a class="code" href="group__libsws.html#gaae77dad7fc203836ce365378b35da167">00065</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_LANCZOS 0x200</span>
<a name="l00066"></a><a class="code" href="group__libsws.html#gaff798131b2051020f5539baddeeb4e12">00066</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_SPLINE 0x400</span>
<a name="l00067"></a>00067 <span class="preprocessor"></span>
<a name="l00068"></a><a class="code" href="group__libsws.html#ga3f5d541ffe1c4bf8a216c54f0de8eb11">00068</a> <span class="preprocessor">#define SWS_SRC_V_CHR_DROP_MASK 0x30000</span>
<a name="l00069"></a><a class="code" href="group__libsws.html#ga77331b2b4b9648ca47a3ca307a2151c5">00069</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_SRC_V_CHR_DROP_SHIFT 16</span>
<a name="l00070"></a>00070 <span class="preprocessor"></span>
<a name="l00071"></a><a class="code" href="group__libsws.html#gad4a209577e10d655c2495349a96bb611">00071</a> <span class="preprocessor">#define SWS_PARAM_DEFAULT 123456</span>
<a name="l00072"></a>00072 <span class="preprocessor"></span>
<a name="l00073"></a><a class="code" href="group__libsws.html#ga4cc80734dcb486c315ca2061363c6ede">00073</a> <span class="preprocessor">#define SWS_PRINT_INFO 0x1000</span>
<a name="l00074"></a>00074 <span class="preprocessor"></span>
<a name="l00075"></a>00075 <span class="comment">//the following 3 flags are not completely implemented</span>
<a name="l00076"></a>00076 <span class="comment">//internal chrominace subsampling info</span>
<a name="l00077"></a><a class="code" href="group__libsws.html#ga4af3bbc6d873caa5ac0bef06f534e3c6">00077</a> <span class="preprocessor">#define SWS_FULL_CHR_H_INT 0x2000</span>
<a name="l00078"></a>00078 <span class="preprocessor"></span><span class="comment">//input subsampling info</span>
<a name="l00079"></a><a class="code" href="group__libsws.html#ga4b086de7216852cfc2e40f576285fc97">00079</a> <span class="preprocessor">#define SWS_FULL_CHR_H_INP 0x4000</span>
<a name="l00080"></a><a class="code" href="group__libsws.html#ga2d1c4cc56bf45e13ee8ce7e3bc199397">00080</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_DIRECT_BGR 0x8000</span>
<a name="l00081"></a><a class="code" href="group__libsws.html#ga2f63481f9ac7c35ea5ee7075f15c040e">00081</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_ACCURATE_RND 0x40000</span>
<a name="l00082"></a><a class="code" href="group__libsws.html#ga0042bbf5ffe1952e9794a0056792f89f">00082</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_BITEXACT 0x80000</span>
<a name="l00083"></a><a class="code" href="group__libsws.html#ga8ba8294c18e0dae9b7883aff1b5f7e89">00083</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_ERROR_DIFFUSION 0x800000</span>
<a name="l00084"></a>00084 <span class="preprocessor"></span>
<a name="l00085"></a>00085 <span class="preprocessor">#if FF_API_SWS_CPU_CAPS</span>
<a name="l00086"></a>00086 <span class="preprocessor"></span><span class="comment">/**</span>
<a name="l00087"></a>00087 <span class="comment"> * CPU caps are autodetected now, those flags</span>
<a name="l00088"></a>00088 <span class="comment"> * are only provided for API compatibility.</span>
<a name="l00089"></a>00089 <span class="comment"> */</span>
<a name="l00090"></a><a class="code" href="group__libsws.html#ga5afaf08725b9b232a4c7d320efea7e48">00090</a> <span class="preprocessor">#define SWS_CPU_CAPS_MMX 0x80000000</span>
<a name="l00091"></a><a class="code" href="group__libsws.html#ga7a28ddbb3052a1efe8a96322866c9696">00091</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_CPU_CAPS_MMXEXT 0x20000000</span>
<a name="l00092"></a><a class="code" href="group__libsws.html#ga7939bd529e3f9bd5e92c4ebd996652f9">00092</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_CPU_CAPS_MMX2 0x20000000</span>
<a name="l00093"></a><a class="code" href="group__libsws.html#gabe2a57b5122c27941c88fc400c0effff">00093</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_CPU_CAPS_3DNOW 0x40000000</span>
<a name="l00094"></a><a class="code" href="group__libsws.html#gaef825df758334ba29fef1d466e1eac25">00094</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_CPU_CAPS_ALTIVEC 0x10000000</span>
<a name="l00095"></a>00095 <span class="preprocessor"></span><span class="preprocessor">#if FF_API_ARCH_BFIN</span>
<a name="l00096"></a><a class="code" href="group__libsws.html#ga77e611fae39d8a42dc9a9d232d94d8a6">00096</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_CPU_CAPS_BFIN 0x01000000</span>
<a name="l00097"></a>00097 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00098"></a><a class="code" href="group__libsws.html#ga89015824f9eb5aeaa2aca49ddd8324d3">00098</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_CPU_CAPS_SSE2 0x02000000</span>
<a name="l00099"></a>00099 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00100"></a>00100 <span class="preprocessor"></span>
<a name="l00101"></a><a class="code" href="group__libsws.html#gacc8f46b6954cae7d891a041793e2e751">00101</a> <span class="preprocessor">#define SWS_MAX_REDUCE_CUTOFF 0.002</span>
<a name="l00102"></a>00102 <span class="preprocessor"></span>
<a name="l00103"></a><a class="code" href="group__libsws.html#gab5d1f9b6f50c155496b358d348ed6f36">00103</a> <span class="preprocessor">#define SWS_CS_ITU709 1</span>
<a name="l00104"></a><a class="code" href="group__libsws.html#gaae1a28de2fd6fdd21a082bcc10ce6cb9">00104</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_CS_FCC 4</span>
<a name="l00105"></a><a class="code" href="group__libsws.html#gaf9de144a406b66c68bd29cdcaefaeee5">00105</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_CS_ITU601 5</span>
<a name="l00106"></a><a class="code" href="group__libsws.html#gab3795e86c9f475f206a187d937c7f4fa">00106</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_CS_ITU624 5</span>
<a name="l00107"></a><a class="code" href="group__libsws.html#gac7287919a348578d8452c42c03d65042">00107</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_CS_SMPTE170M 5</span>
<a name="l00108"></a><a class="code" href="group__libsws.html#ga8a066eae69a34d9d60c73c40628094e4">00108</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_CS_SMPTE240M 7</span>
<a name="l00109"></a><a class="code" href="group__libsws.html#ga1867c2c57f3c0d18fa72592e30e7d3c2">00109</a> <span class="preprocessor"></span><span class="preprocessor">#define SWS_CS_DEFAULT 5</span>
<a name="l00110"></a>00110 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00111"></a>00111 <span class="comment">/**</span>
<a name="l00112"></a>00112 <span class="comment"> * Return a pointer to yuv<->rgb coefficients for the given colorspace</span>
<a name="l00113"></a>00113 <span class="comment"> * suitable for sws_setColorspaceDetails().</span>
<a name="l00114"></a>00114 <span class="comment"> *</span>
<a name="l00115"></a>00115 <span class="comment"> * @param colorspace One of the SWS_CS_* macros. If invalid,</span>
<a name="l00116"></a>00116 <span class="comment"> * SWS_CS_DEFAULT is used.</span>
<a name="l00117"></a>00117 <span class="comment"> */</span>
<a name="l00118"></a>00118 <span class="keyword">const</span> <span class="keywordtype">int</span> *<a class="code" href="group__libsws.html#gac271c2aa3dd5569c59f018eaf914bbc0" title="Return a pointer to yuv<->rgb coefficients for the given colorspace suitable for sws_setColorspaceDet...">sws_getCoefficients</a>(<span class="keywordtype">int</span> colorspace);
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="comment">// when used for filters they must have an odd number of elements</span>
<a name="l00121"></a>00121 <span class="comment">// coeffs cannot be shared between vectors</span>
<a name="l00122"></a><a class="code" href="structSwsVector.html">00122</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structSwsVector.html">SwsVector</a> {
<a name="l00123"></a><a class="code" href="structSwsVector.html#a6aa9dc37ec3cd932e9db2bf7904716b9">00123</a> <span class="keywordtype">double</span> *<a class="code" href="structSwsVector.html#a6aa9dc37ec3cd932e9db2bf7904716b9" title="pointer to the list of coefficients">coeff</a>; <span class="comment">///< pointer to the list of coefficients</span>
<a name="l00124"></a><a class="code" href="structSwsVector.html#abb5da8263daced70032ba5edf955f4a4">00124</a> <span class="comment"></span> <span class="keywordtype">int</span> <a class="code" href="structSwsVector.html#abb5da8263daced70032ba5edf955f4a4" title="number of coefficients in the vector">length</a>; <span class="comment">///< number of coefficients in the vector</span>
<a name="l00125"></a>00125 <span class="comment"></span>} <a class="code" href="structSwsVector.html">SwsVector</a>;
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="comment">// vectors can be shared</span>
<a name="l00128"></a><a class="code" href="structSwsFilter.html">00128</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structSwsFilter.html">SwsFilter</a> {
<a name="l00129"></a><a class="code" href="structSwsFilter.html#a6eefe9f0f67a9f24d282ed32bb9725d2">00129</a> <a class="code" href="structSwsVector.html">SwsVector</a> *<a class="code" href="structSwsFilter.html#a6eefe9f0f67a9f24d282ed32bb9725d2">lumH</a>;
<a name="l00130"></a><a class="code" href="structSwsFilter.html#abe07a7a5d01eba45fe6120691b078109">00130</a> <a class="code" href="structSwsVector.html">SwsVector</a> *<a class="code" href="structSwsFilter.html#abe07a7a5d01eba45fe6120691b078109">lumV</a>;
<a name="l00131"></a><a class="code" href="structSwsFilter.html#af0a5dbf3ce675d51ac2531a0e7ee58bf">00131</a> <a class="code" href="structSwsVector.html">SwsVector</a> *<a class="code" href="structSwsFilter.html#af0a5dbf3ce675d51ac2531a0e7ee58bf">chrH</a>;
<a name="l00132"></a><a class="code" href="structSwsFilter.html#a4e196620d61289c6369acc4cf0b732bb">00132</a> <a class="code" href="structSwsVector.html">SwsVector</a> *<a class="code" href="structSwsFilter.html#a4e196620d61289c6369acc4cf0b732bb">chrV</a>;
<a name="l00133"></a>00133 } <a class="code" href="structSwsFilter.html">SwsFilter</a>;
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="keyword">struct </span>SwsContext;
<a name="l00136"></a>00136 <span class="comment"></span>
<a name="l00137"></a>00137 <span class="comment">/**</span>
<a name="l00138"></a>00138 <span class="comment"> * Return a positive value if pix_fmt is a supported input format, 0</span>
<a name="l00139"></a>00139 <span class="comment"> * otherwise.</span>
<a name="l00140"></a>00140 <span class="comment"> */</span>
<a name="l00141"></a>00141 <span class="keywordtype">int</span> <a class="code" href="group__libsws.html#gab5e631b602510bd3fa3a5a7d509e573d" title="Return a positive value if pix_fmt is a supported input format, 0 otherwise.">sws_isSupportedInput</a>(<span class="keyword">enum</span> <a class="code" href="pixfmt_8h.html#a9a8e335cf3be472042bc9f0cf80cd4c5" title="Pixel format.">AVPixelFormat</a> <a class="code" href="demuxing__decoding_8c.html#a7331e302ea7bb48e0b605a069576e135">pix_fmt</a>);
<a name="l00142"></a>00142 <span class="comment"></span>
<a name="l00143"></a>00143 <span class="comment">/**</span>
<a name="l00144"></a>00144 <span class="comment"> * Return a positive value if pix_fmt is a supported output format, 0</span>
<a name="l00145"></a>00145 <span class="comment"> * otherwise.</span>
<a name="l00146"></a>00146 <span class="comment"> */</span>
<a name="l00147"></a>00147 <span class="keywordtype">int</span> <a class="code" href="group__libsws.html#ga6885dc8ec36e8f2e701924263aa92cb0" title="Return a positive value if pix_fmt is a supported output format, 0 otherwise.">sws_isSupportedOutput</a>(<span class="keyword">enum</span> <a class="code" href="pixfmt_8h.html#a9a8e335cf3be472042bc9f0cf80cd4c5" title="Pixel format.">AVPixelFormat</a> <a class="code" href="demuxing__decoding_8c.html#a7331e302ea7bb48e0b605a069576e135">pix_fmt</a>);
<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"> * @param[in] pix_fmt the pixel format</span>
<a name="l00151"></a>00151 <span class="comment"> * @return a positive value if an endianness conversion for pix_fmt is</span>
<a name="l00152"></a>00152 <span class="comment"> * supported, 0 otherwise.</span>
<a name="l00153"></a>00153 <span class="comment"> */</span>
<a name="l00154"></a>00154 <span class="keywordtype">int</span> <a class="code" href="group__libsws.html#ga67f865ce22ae986ea84f4d7ce60ef182">sws_isSupportedEndiannessConversion</a>(<span class="keyword">enum</span> <a class="code" href="pixfmt_8h.html#a9a8e335cf3be472042bc9f0cf80cd4c5" title="Pixel format.">AVPixelFormat</a> <a class="code" href="demuxing__decoding_8c.html#a7331e302ea7bb48e0b605a069576e135">pix_fmt</a>);
<a name="l00155"></a>00155 <span class="comment"></span>
<a name="l00156"></a>00156 <span class="comment">/**</span>
<a name="l00157"></a>00157 <span class="comment"> * Allocate an empty SwsContext. This must be filled and passed to</span>
<a name="l00158"></a>00158 <span class="comment"> * sws_init_context(). For filling see AVOptions, options.c and</span>
<a name="l00159"></a>00159 <span class="comment"> * sws_setColorspaceDetails().</span>
<a name="l00160"></a>00160 <span class="comment"> */</span>
<a name="l00161"></a>00161 <span class="keyword">struct </span>SwsContext *<a class="code" href="group__libsws.html#gab97d02dc20945fd013ba49afb8bd1099" title="Allocate an empty SwsContext.">sws_alloc_context</a>(<span class="keywordtype">void</span>);
<a name="l00162"></a>00162 <span class="comment"></span>
<a name="l00163"></a>00163 <span class="comment">/**</span>
<a name="l00164"></a>00164 <span class="comment"> * Initialize the swscaler context sws_context.</span>
<a name="l00165"></a>00165 <span class="comment"> *</span>
<a name="l00166"></a>00166 <span class="comment"> * @return zero or positive value on success, a negative value on</span>
<a name="l00167"></a>00167 <span class="comment"> * error</span>
<a name="l00168"></a>00168 <span class="comment"> */</span>
<a name="l00169"></a>00169 <span class="keywordtype">int</span> <a class="code" href="group__libsws.html#gaea18a5a4278005ccdf5b9392cb8fcd89" title="Initialize the swscaler context sws_context.">sws_init_context</a>(<span class="keyword">struct</span> SwsContext *sws_context, <a class="code" href="structSwsFilter.html">SwsFilter</a> *srcFilter, <a class="code" href="structSwsFilter.html">SwsFilter</a> *dstFilter);
<a name="l00170"></a>00170 <span class="comment"></span>
<a name="l00171"></a>00171 <span class="comment">/**</span>
<a name="l00172"></a>00172 <span class="comment"> * Free the swscaler context swsContext.</span>
<a name="l00173"></a>00173 <span class="comment"> * If swsContext is NULL, then does nothing.</span>
<a name="l00174"></a>00174 <span class="comment"> */</span>
<a name="l00175"></a>00175 <span class="keywordtype">void</span> <a class="code" href="group__libsws.html#gad3af0ca76f071dbe0173444db9882932" title="Free the swscaler context swsContext.">sws_freeContext</a>(<span class="keyword">struct</span> SwsContext *swsContext);
<a name="l00176"></a>00176 <span class="comment"></span>
<a name="l00177"></a>00177 <span class="comment">/**</span>
<a name="l00178"></a>00178 <span class="comment"> * Allocate and return an SwsContext. You need it to perform</span>
<a name="l00179"></a>00179 <span class="comment"> * scaling/conversion operations using sws_scale().</span>
<a name="l00180"></a>00180 <span class="comment"> *</span>
<a name="l00181"></a>00181 <span class="comment"> * @param srcW the width of the source image</span>
<a name="l00182"></a>00182 <span class="comment"> * @param srcH the height of the source image</span>
<a name="l00183"></a>00183 <span class="comment"> * @param srcFormat the source image format</span>
<a name="l00184"></a>00184 <span class="comment"> * @param dstW the width of the destination image</span>
<a name="l00185"></a>00185 <span class="comment"> * @param dstH the height of the destination image</span>
<a name="l00186"></a>00186 <span class="comment"> * @param dstFormat the destination image format</span>
<a name="l00187"></a>00187 <span class="comment"> * @param flags specify which algorithm and options to use for rescaling</span>
<a name="l00188"></a>00188 <span class="comment"> * @return a pointer to an allocated context, or NULL in case of error</span>
<a name="l00189"></a>00189 <span class="comment"> * @note this function is to be removed after a saner alternative is</span>
<a name="l00190"></a>00190 <span class="comment"> * written</span>
<a name="l00191"></a>00191 <span class="comment"> */</span>
<a name="l00192"></a>00192 <span class="keyword">struct </span>SwsContext *<a class="code" href="group__libsws.html#gaf360d1a9e0e60f906f74d7d44f9abfdd" title="Allocate and return an SwsContext.">sws_getContext</a>(<span class="keywordtype">int</span> srcW, <span class="keywordtype">int</span> srcH, <span class="keyword">enum</span> <a class="code" href="pixfmt_8h.html#a9a8e335cf3be472042bc9f0cf80cd4c5" title="Pixel format.">AVPixelFormat</a> srcFormat,
<a name="l00193"></a>00193 <span class="keywordtype">int</span> dstW, <span class="keywordtype">int</span> dstH, <span class="keyword">enum</span> <a class="code" href="pixfmt_8h.html#a9a8e335cf3be472042bc9f0cf80cd4c5" title="Pixel format.">AVPixelFormat</a> dstFormat,
<a name="l00194"></a>00194 <span class="keywordtype">int</span> flags, <a class="code" href="structSwsFilter.html">SwsFilter</a> *srcFilter,
<a name="l00195"></a>00195 <a class="code" href="structSwsFilter.html">SwsFilter</a> *dstFilter, <span class="keyword">const</span> <span class="keywordtype">double</span> *param);
<a name="l00196"></a>00196 <span class="comment"></span>
<a name="l00197"></a>00197 <span class="comment">/**</span>
<a name="l00198"></a>00198 <span class="comment"> * Scale the image slice in srcSlice and put the resulting scaled</span>
<a name="l00199"></a>00199 <span class="comment"> * slice in the image in dst. A slice is a sequence of consecutive</span>
<a name="l00200"></a>00200 <span class="comment"> * rows in an image.</span>
<a name="l00201"></a>00201 <span class="comment"> *</span>
<a name="l00202"></a>00202 <span class="comment"> * Slices have to be provided in sequential order, either in</span>
<a name="l00203"></a>00203 <span class="comment"> * top-bottom or bottom-top order. If slices are provided in</span>
<a name="l00204"></a>00204 <span class="comment"> * non-sequential order the behavior of the function is undefined.</span>
<a name="l00205"></a>00205 <span class="comment"> *</span>
<a name="l00206"></a>00206 <span class="comment"> * @param c the scaling context previously created with</span>
<a name="l00207"></a>00207 <span class="comment"> * sws_getContext()</span>
<a name="l00208"></a>00208 <span class="comment"> * @param srcSlice the array containing the pointers to the planes of</span>
<a name="l00209"></a>00209 <span class="comment"> * the source slice</span>
<a name="l00210"></a>00210 <span class="comment"> * @param srcStride the array containing the strides for each plane of</span>
<a name="l00211"></a>00211 <span class="comment"> * the source image</span>
<a name="l00212"></a>00212 <span class="comment"> * @param srcSliceY the position in the source image of the slice to</span>
<a name="l00213"></a>00213 <span class="comment"> * process, that is the number (counted starting from</span>
<a name="l00214"></a>00214 <span class="comment"> * zero) in the image of the first row of the slice</span>
<a name="l00215"></a>00215 <span class="comment"> * @param srcSliceH the height of the source slice, that is the number</span>
<a name="l00216"></a>00216 <span class="comment"> * of rows in the slice</span>
<a name="l00217"></a>00217 <span class="comment"> * @param dst the array containing the pointers to the planes of</span>
<a name="l00218"></a>00218 <span class="comment"> * the destination image</span>
<a name="l00219"></a>00219 <span class="comment"> * @param dstStride the array containing the strides for each plane of</span>
<a name="l00220"></a>00220 <span class="comment"> * the destination image</span>
<a name="l00221"></a>00221 <span class="comment"> * @return the height of the output slice</span>
<a name="l00222"></a>00222 <span class="comment"> */</span>
<a name="l00223"></a>00223 <span class="keywordtype">int</span> <a class="code" href="group__libsws.html#gae531c9754c9205d90ad6800015046d74" title="Scale the image slice in srcSlice and put the resulting scaled slice in the image in dst...">sws_scale</a>(<span class="keyword">struct</span> SwsContext *c, <span class="keyword">const</span> uint8_t *<span class="keyword">const</span> srcSlice[],
<a name="l00224"></a>00224 <span class="keyword">const</span> <span class="keywordtype">int</span> srcStride[], <span class="keywordtype">int</span> srcSliceY, <span class="keywordtype">int</span> srcSliceH,
<a name="l00225"></a>00225 uint8_t *<span class="keyword">const</span> dst[], <span class="keyword">const</span> <span class="keywordtype">int</span> dstStride[]);
<a name="l00226"></a>00226 <span class="comment"></span>
<a name="l00227"></a>00227 <span class="comment">/**</span>
<a name="l00228"></a>00228 <span class="comment"> * @param dstRange flag indicating the while-black range of the output (1=jpeg / 0=mpeg)</span>
<a name="l00229"></a>00229 <span class="comment"> * @param srcRange flag indicating the while-black range of the input (1=jpeg / 0=mpeg)</span>
<a name="l00230"></a>00230 <span class="comment"> * @param table the yuv2rgb coefficients describing the output yuv space, normally ff_yuv2rgb_coeffs[x]</span>
<a name="l00231"></a>00231 <span class="comment"> * @param inv_table the yuv2rgb coefficients describing the input yuv space, normally ff_yuv2rgb_coeffs[x]</span>
<a name="l00232"></a>00232 <span class="comment"> * @param brightness 16.16 fixed point brightness correction</span>
<a name="l00233"></a>00233 <span class="comment"> * @param contrast 16.16 fixed point contrast correction</span>
<a name="l00234"></a>00234 <span class="comment"> * @param saturation 16.16 fixed point saturation correction</span>
<a name="l00235"></a>00235 <span class="comment"> * @return -1 if not supported</span>
<a name="l00236"></a>00236 <span class="comment"> */</span>
<a name="l00237"></a>00237 <span class="keywordtype">int</span> <a class="code" href="group__libsws.html#ga541bdffa8149f5f9203664f955faa040">sws_setColorspaceDetails</a>(<span class="keyword">struct</span> SwsContext *c, <span class="keyword">const</span> <span class="keywordtype">int</span> inv_table[4],
<a name="l00238"></a>00238 <span class="keywordtype">int</span> srcRange, <span class="keyword">const</span> <span class="keywordtype">int</span> table[4], <span class="keywordtype">int</span> dstRange,
<a name="l00239"></a>00239 <span class="keywordtype">int</span> brightness, <span class="keywordtype">int</span> contrast, <span class="keywordtype">int</span> saturation);
<a name="l00240"></a>00240 <span class="comment"></span>
<a name="l00241"></a>00241 <span class="comment">/**</span>
<a name="l00242"></a>00242 <span class="comment"> * @return -1 if not supported</span>
<a name="l00243"></a>00243 <span class="comment"> */</span>
<a name="l00244"></a>00244 <span class="keywordtype">int</span> <a class="code" href="group__libsws.html#ga098dc4b69a97b616fc35791aec249ff1">sws_getColorspaceDetails</a>(<span class="keyword">struct</span> SwsContext *c, <span class="keywordtype">int</span> **inv_table,
<a name="l00245"></a>00245 <span class="keywordtype">int</span> *srcRange, <span class="keywordtype">int</span> **table, <span class="keywordtype">int</span> *dstRange,
<a name="l00246"></a>00246 <span class="keywordtype">int</span> *brightness, <span class="keywordtype">int</span> *contrast, <span class="keywordtype">int</span> *saturation);
<a name="l00247"></a>00247 <span class="comment"></span>
<a name="l00248"></a>00248 <span class="comment">/**</span>
<a name="l00249"></a>00249 <span class="comment"> * Allocate and return an uninitialized vector with length coefficients.</span>
<a name="l00250"></a>00250 <span class="comment"> */</span>
<a name="l00251"></a>00251 <a class="code" href="structSwsVector.html">SwsVector</a> *<a class="code" href="group__libsws.html#ga7c50ae0b2facbff7afcf88233c94d363" title="Allocate and return an uninitialized vector with length coefficients.">sws_allocVec</a>(<span class="keywordtype">int</span> length);
<a name="l00252"></a>00252 <span class="comment"></span>
<a name="l00253"></a>00253 <span class="comment">/**</span>
<a name="l00254"></a>00254 <span class="comment"> * Return a normalized Gaussian curve used to filter stuff</span>
<a name="l00255"></a>00255 <span class="comment"> * quality = 3 is high quality, lower is lower quality.</span>
<a name="l00256"></a>00256 <span class="comment"> */</span>
<a name="l00257"></a>00257 <a class="code" href="structSwsVector.html">SwsVector</a> *<a class="code" href="group__libsws.html#ga25e4916da07d6d4fcfc4417f6c246204" title="Return a normalized Gaussian curve used to filter stuff quality = 3 is high quality, lower is lower quality.">sws_getGaussianVec</a>(<span class="keywordtype">double</span> variance, <span class="keywordtype">double</span> quality);
<a name="l00258"></a>00258 <span class="comment"></span>
<a name="l00259"></a>00259 <span class="comment">/**</span>
<a name="l00260"></a>00260 <span class="comment"> * Allocate and return a vector with length coefficients, all</span>
<a name="l00261"></a>00261 <span class="comment"> * with the same value c.</span>
<a name="l00262"></a>00262 <span class="comment"> */</span>
<a name="l00263"></a>00263 <a class="code" href="structSwsVector.html">SwsVector</a> *<a class="code" href="group__libsws.html#ga1af43da26e59e9595ea404650bfbd052" title="Allocate and return a vector with length coefficients, all with the same value c.">sws_getConstVec</a>(<span class="keywordtype">double</span> c, <span class="keywordtype">int</span> length);
<a name="l00264"></a>00264 <span class="comment"></span>
<a name="l00265"></a>00265 <span class="comment">/**</span>
<a name="l00266"></a>00266 <span class="comment"> * Allocate and return a vector with just one coefficient, with</span>
<a name="l00267"></a>00267 <span class="comment"> * value 1.0.</span>
<a name="l00268"></a>00268 <span class="comment"> */</span>
<a name="l00269"></a>00269 <a class="code" href="structSwsVector.html">SwsVector</a> *<a class="code" href="group__libsws.html#gafdb3a482b22a59da306449ecce6a1a2a" title="Allocate and return a vector with just one coefficient, with value 1.0.">sws_getIdentityVec</a>(<span class="keywordtype">void</span>);
<a name="l00270"></a>00270 <span class="comment"></span>
<a name="l00271"></a>00271 <span class="comment">/**</span>
<a name="l00272"></a>00272 <span class="comment"> * Scale all the coefficients of a by the scalar value.</span>
<a name="l00273"></a>00273 <span class="comment"> */</span>
<a name="l00274"></a>00274 <span class="keywordtype">void</span> <a class="code" href="group__libsws.html#gaf79fd6cabde06a0f2d118eb373bf83c6" title="Scale all the coefficients of a by the scalar value.">sws_scaleVec</a>(<a class="code" href="structSwsVector.html">SwsVector</a> *a, <span class="keywordtype">double</span> scalar);
<a name="l00275"></a>00275 <span class="comment"></span>
<a name="l00276"></a>00276 <span class="comment">/**</span>
<a name="l00277"></a>00277 <span class="comment"> * Scale all the coefficients of a so that their sum equals height.</span>
<a name="l00278"></a>00278 <span class="comment"> */</span>
<a name="l00279"></a>00279 <span class="keywordtype">void</span> <a class="code" href="group__libsws.html#gab40ce33fa0a432f1ba57dda9f740380d" title="Scale all the coefficients of a so that their sum equals height.">sws_normalizeVec</a>(<a class="code" href="structSwsVector.html">SwsVector</a> *a, <span class="keywordtype">double</span> <a class="code" href="demuxing__decoding_8c.html#ad12fc34ce789bce6c8a05d8a17138534">height</a>);
<a name="l00280"></a>00280 <span class="keywordtype">void</span> <a class="code" href="group__libsws.html#ga26e9f44ae6cdf82024772a7d8c27e76e">sws_convVec</a>(<a class="code" href="structSwsVector.html">SwsVector</a> *a, <a class="code" href="structSwsVector.html">SwsVector</a> *b);
<a name="l00281"></a>00281 <span class="keywordtype">void</span> <a class="code" href="group__libsws.html#ga618bf6170f25bade10d71251a9ed2c48">sws_addVec</a>(<a class="code" href="structSwsVector.html">SwsVector</a> *a, <a class="code" href="structSwsVector.html">SwsVector</a> *b);
<a name="l00282"></a>00282 <span class="keywordtype">void</span> <a class="code" href="group__libsws.html#ga0c5c30b5421ef0285e13bedd599d905f">sws_subVec</a>(<a class="code" href="structSwsVector.html">SwsVector</a> *a, <a class="code" href="structSwsVector.html">SwsVector</a> *b);
<a name="l00283"></a>00283 <span class="keywordtype">void</span> <a class="code" href="group__libsws.html#ga1ca5b9e20145af269c873713c534eaaf">sws_shiftVec</a>(<a class="code" href="structSwsVector.html">SwsVector</a> *a, <span class="keywordtype">int</span> shift);
<a name="l00284"></a>00284 <span class="comment"></span>
<a name="l00285"></a>00285 <span class="comment">/**</span>
<a name="l00286"></a>00286 <span class="comment"> * Allocate and return a clone of the vector a, that is a vector</span>
<a name="l00287"></a>00287 <span class="comment"> * with the same coefficients as a.</span>
<a name="l00288"></a>00288 <span class="comment"> */</span>
<a name="l00289"></a>00289 <a class="code" href="structSwsVector.html">SwsVector</a> *<a class="code" href="group__libsws.html#ga3045a5646db319e054d9923220e1c81b" title="Allocate and return a clone of the vector a, that is a vector with the same coefficients as a...">sws_cloneVec</a>(<a class="code" href="structSwsVector.html">SwsVector</a> *a);
<a name="l00290"></a>00290 <span class="comment"></span>
<a name="l00291"></a>00291 <span class="comment">/**</span>
<a name="l00292"></a>00292 <span class="comment"> * Print with av_log() a textual representation of the vector a</span>
<a name="l00293"></a>00293 <span class="comment"> * if log_level <= av_log_level.</span>
<a name="l00294"></a>00294 <span class="comment"> */</span>
<a name="l00295"></a>00295 <span class="keywordtype">void</span> <a class="code" href="group__libsws.html#gac9888325d6d97b10c13c8f3ee8d7a03f" title="Print with av_log() a textual representation of the vector a if log_level <= av_log_level.">sws_printVec2</a>(<a class="code" href="structSwsVector.html">SwsVector</a> *a, <a class="code" href="structAVClass.html" title="Describe the class of an AVClass context structure.">AVClass</a> *log_ctx, <span class="keywordtype">int</span> log_level);
<a name="l00296"></a>00296
<a name="l00297"></a>00297 <span class="keywordtype">void</span> <a class="code" href="group__libsws.html#ga5745e8384365fd5c6b0a3241d6ab767b">sws_freeVec</a>(<a class="code" href="structSwsVector.html">SwsVector</a> *a);
<a name="l00298"></a>00298
<a name="l00299"></a>00299 <a class="code" href="structSwsFilter.html">SwsFilter</a> *<a class="code" href="group__libsws.html#gab885b56d729331538917edae65d557dd">sws_getDefaultFilter</a>(<span class="keywordtype">float</span> lumaGBlur, <span class="keywordtype">float</span> chromaGBlur,
<a name="l00300"></a>00300 <span class="keywordtype">float</span> lumaSharpen, <span class="keywordtype">float</span> chromaSharpen,
<a name="l00301"></a>00301 <span class="keywordtype">float</span> chromaHShift, <span class="keywordtype">float</span> chromaVShift,
<a name="l00302"></a>00302 <span class="keywordtype">int</span> verbose);
<a name="l00303"></a>00303 <span class="keywordtype">void</span> <a class="code" href="group__libsws.html#ga17b762761f7a53d596841ac0f2d4a2b5">sws_freeFilter</a>(<a class="code" href="structSwsFilter.html">SwsFilter</a> *filter);
<a name="l00304"></a>00304 <span class="comment"></span>
<a name="l00305"></a>00305 <span class="comment">/**</span>
<a name="l00306"></a>00306 <span class="comment"> * Check if context can be reused, otherwise reallocate a new one.</span>
<a name="l00307"></a>00307 <span class="comment"> *</span>
<a name="l00308"></a>00308 <span class="comment"> * If context is NULL, just calls sws_getContext() to get a new</span>
<a name="l00309"></a>00309 <span class="comment"> * context. Otherwise, checks if the parameters are the ones already</span>
<a name="l00310"></a>00310 <span class="comment"> * saved in context. If that is the case, returns the current</span>
<a name="l00311"></a>00311 <span class="comment"> * context. Otherwise, frees context and gets a new context with</span>
<a name="l00312"></a>00312 <span class="comment"> * the new parameters.</span>
<a name="l00313"></a>00313 <span class="comment"> *</span>
<a name="l00314"></a>00314 <span class="comment"> * Be warned that srcFilter and dstFilter are not checked, they</span>
<a name="l00315"></a>00315 <span class="comment"> * are assumed to remain the same.</span>
<a name="l00316"></a>00316 <span class="comment"> */</span>
<a name="l00317"></a>00317 <span class="keyword">struct </span>SwsContext *<a class="code" href="group__libsws.html#gadffa09f208a3eba7fa3a6b1f74ab77f7" title="Check if context can be reused, otherwise reallocate a new one.">sws_getCachedContext</a>(<span class="keyword">struct</span> SwsContext *context,
<a name="l00318"></a>00318 <span class="keywordtype">int</span> srcW, <span class="keywordtype">int</span> srcH, <span class="keyword">enum</span> <a class="code" href="pixfmt_8h.html#a9a8e335cf3be472042bc9f0cf80cd4c5" title="Pixel format.">AVPixelFormat</a> srcFormat,
<a name="l00319"></a>00319 <span class="keywordtype">int</span> dstW, <span class="keywordtype">int</span> dstH, <span class="keyword">enum</span> <a class="code" href="pixfmt_8h.html#a9a8e335cf3be472042bc9f0cf80cd4c5" title="Pixel format.">AVPixelFormat</a> dstFormat,
<a name="l00320"></a>00320 <span class="keywordtype">int</span> flags, <a class="code" href="structSwsFilter.html">SwsFilter</a> *srcFilter,
<a name="l00321"></a>00321 <a class="code" href="structSwsFilter.html">SwsFilter</a> *dstFilter, <span class="keyword">const</span> <span class="keywordtype">double</span> *param);
<a name="l00322"></a>00322 <span class="comment"></span>
<a name="l00323"></a>00323 <span class="comment">/**</span>
<a name="l00324"></a>00324 <span class="comment"> * Convert an 8-bit paletted frame into a frame with a color depth of 32 bits.</span>
<a name="l00325"></a>00325 <span class="comment"> *</span>
<a name="l00326"></a>00326 <span class="comment"> * The output frame will have the same packed format as the palette.</span>
<a name="l00327"></a>00327 <span class="comment"> *</span>
<a name="l00328"></a>00328 <span class="comment"> * @param src source frame buffer</span>
<a name="l00329"></a>00329 <span class="comment"> * @param dst destination frame buffer</span>
<a name="l00330"></a>00330 <span class="comment"> * @param num_pixels number of pixels to convert</span>
<a name="l00331"></a>00331 <span class="comment"> * @param palette array with [256] entries, which must match color arrangement (RGB or BGR) of src</span>
<a name="l00332"></a>00332 <span class="comment"> */</span>
<a name="l00333"></a>00333 <span class="keywordtype">void</span> <a class="code" href="group__libsws.html#ga2a140989dfed29dd91065352b6a52840" title="Convert an 8-bit paletted frame into a frame with a color depth of 32 bits.">sws_convertPalette8ToPacked32</a>(<span class="keyword">const</span> uint8_t *src, uint8_t *dst, <span class="keywordtype">int</span> num_pixels, <span class="keyword">const</span> uint8_t *palette);
<a name="l00334"></a>00334 <span class="comment"></span>
<a name="l00335"></a>00335 <span class="comment">/**</span>
<a name="l00336"></a>00336 <span class="comment"> * Convert an 8-bit paletted frame into a frame with a color depth of 24 bits.</span>
<a name="l00337"></a>00337 <span class="comment"> *</span>
<a name="l00338"></a>00338 <span class="comment"> * With the palette format "ABCD", the destination frame ends up with the format "ABC".</span>
<a name="l00339"></a>00339 <span class="comment"> *</span>
<a name="l00340"></a>00340 <span class="comment"> * @param src source frame buffer</span>
<a name="l00341"></a>00341 <span class="comment"> * @param dst destination frame buffer</span>
<a name="l00342"></a>00342 <span class="comment"> * @param num_pixels number of pixels to convert</span>
<a name="l00343"></a>00343 <span class="comment"> * @param palette array with [256] entries, which must match color arrangement (RGB or BGR) of src</span>
<a name="l00344"></a>00344 <span class="comment"> */</span>
<a name="l00345"></a>00345 <span class="keywordtype">void</span> <a class="code" href="group__libsws.html#ga3c3d094eb840e10fbc3a37c20a6c8585" title="Convert an 8-bit paletted frame into a frame with a color depth of 24 bits.">sws_convertPalette8ToPacked24</a>(<span class="keyword">const</span> uint8_t *src, uint8_t *dst, <span class="keywordtype">int</span> num_pixels, <span class="keyword">const</span> uint8_t *palette);
<a name="l00346"></a>00346 <span class="comment"></span>
<a name="l00347"></a>00347 <span class="comment">/**</span>
<a name="l00348"></a>00348 <span class="comment"> * Get the AVClass for swsContext. It can be used in combination with</span>
<a name="l00349"></a>00349 <span class="comment"> * AV_OPT_SEARCH_FAKE_OBJ for examining options.</span>
<a name="l00350"></a>00350 <span class="comment"> *</span>
<a name="l00351"></a>00351 <span class="comment"> * @see av_opt_find().</span>
<a name="l00352"></a>00352 <span class="comment"> */</span>
<a name="l00353"></a>00353 <span class="keyword">const</span> <a class="code" href="structAVClass.html" title="Describe the class of an AVClass context structure.">AVClass</a> *<a class="code" href="group__libsws.html#ga14ed8a7188230d908f9f28ae9f7ba459" title="Get the AVClass for swsContext.">sws_get_class</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">/* SWSCALE_SWSCALE_H */</span>
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