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 <span id="projectnumber">2.7.1</span>
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<div class="title">libswscale/swscale.h File Reference<div class="ingroups"><a class="el" href="group__libsws.html">Color conversion and scaling</a></div></div> </div>
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<p>external API header
<a href="#details">More...</a></p>
<div class="textblock"><code>#include <stdint.h></code><br/>
<code>#include "<a class="el" href="avutil_8h_source.html">libavutil/avutil.h</a>"</code><br/>
<code>#include "<a class="el" href="log_8h_source.html">libavutil/log.h</a>"</code><br/>
<code>#include "<a class="el" href="pixfmt_8h_source.html">libavutil/pixfmt.h</a>"</code><br/>
<code>#include "<a class="el" href="libswscale_2version_8h_source.html">version.h</a>"</code><br/>
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<p><a href="swscale_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structSwsVector.html">SwsVector</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structSwsFilter.html">SwsFilter</a></td></tr>
<tr><td colspan="2"><h2><a name="define-members"></a>
Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga6110064d9edfbec77ca5c3279cb75c31">SWS_FAST_BILINEAR</a>   1</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga26b45a2c6df7c1637feab34fbb21a9bb">SWS_BILINEAR</a>   2</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga02a4ee9d3c158e842941873d2cf83b9f">SWS_BICUBIC</a>   4</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga5a8a563c525f7a71ef33368a782157a0">SWS_X</a>   8</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gaae31eb0722e375c12d4fe7a028694491">SWS_POINT</a>   0x10</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga702a05689a18ccd170e64fb664ebca57">SWS_AREA</a>   0x20</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga867d1e9ac9ad1eafc33cc3e94041b091">SWS_BICUBLIN</a>   0x40</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga6f8f44a4d92bc09eed63984bc3acf94a">SWS_GAUSS</a>   0x80</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga783824f7ce78aff026e9f71f97be00be">SWS_SINC</a>   0x100</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gaae77dad7fc203836ce365378b35da167">SWS_LANCZOS</a>   0x200</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gaff798131b2051020f5539baddeeb4e12">SWS_SPLINE</a>   0x400</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga3f5d541ffe1c4bf8a216c54f0de8eb11">SWS_SRC_V_CHR_DROP_MASK</a>   0x30000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga77331b2b4b9648ca47a3ca307a2151c5">SWS_SRC_V_CHR_DROP_SHIFT</a>   16</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gad4a209577e10d655c2495349a96bb611">SWS_PARAM_DEFAULT</a>   123456</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga4cc80734dcb486c315ca2061363c6ede">SWS_PRINT_INFO</a>   0x1000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga4af3bbc6d873caa5ac0bef06f534e3c6">SWS_FULL_CHR_H_INT</a>   0x2000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga4b086de7216852cfc2e40f576285fc97">SWS_FULL_CHR_H_INP</a>   0x4000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga2d1c4cc56bf45e13ee8ce7e3bc199397">SWS_DIRECT_BGR</a>   0x8000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga2f63481f9ac7c35ea5ee7075f15c040e">SWS_ACCURATE_RND</a>   0x40000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga0042bbf5ffe1952e9794a0056792f89f">SWS_BITEXACT</a>   0x80000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga8ba8294c18e0dae9b7883aff1b5f7e89">SWS_ERROR_DIFFUSION</a>   0x800000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga5afaf08725b9b232a4c7d320efea7e48">SWS_CPU_CAPS_MMX</a>   0x80000000</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">CPU caps are autodetected now, those flags are only provided for API compatibility. <a href="group__libsws.html#ga5afaf08725b9b232a4c7d320efea7e48"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga7a28ddbb3052a1efe8a96322866c9696">SWS_CPU_CAPS_MMXEXT</a>   0x20000000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga7939bd529e3f9bd5e92c4ebd996652f9">SWS_CPU_CAPS_MMX2</a>   0x20000000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gabe2a57b5122c27941c88fc400c0effff">SWS_CPU_CAPS_3DNOW</a>   0x40000000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gaef825df758334ba29fef1d466e1eac25">SWS_CPU_CAPS_ALTIVEC</a>   0x10000000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga77e611fae39d8a42dc9a9d232d94d8a6">SWS_CPU_CAPS_BFIN</a>   0x01000000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga89015824f9eb5aeaa2aca49ddd8324d3">SWS_CPU_CAPS_SSE2</a>   0x02000000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gacc8f46b6954cae7d891a041793e2e751">SWS_MAX_REDUCE_CUTOFF</a>   0.002</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gab5d1f9b6f50c155496b358d348ed6f36">SWS_CS_ITU709</a>   1</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gaae1a28de2fd6fdd21a082bcc10ce6cb9">SWS_CS_FCC</a>   4</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gaf9de144a406b66c68bd29cdcaefaeee5">SWS_CS_ITU601</a>   5</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gab3795e86c9f475f206a187d937c7f4fa">SWS_CS_ITU624</a>   5</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gac7287919a348578d8452c42c03d65042">SWS_CS_SMPTE170M</a>   5</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga8a066eae69a34d9d60c73c40628094e4">SWS_CS_SMPTE240M</a>   7</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga1867c2c57f3c0d18fa72592e30e7d3c2">SWS_CS_DEFAULT</a>   5</td></tr>
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gac879a3ada8130d32ba02a9265bfef253">swscale_version</a> (void)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gaaee057c84b44975856aa26e7bb0decce">swscale_configuration</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the libswscale build-time configuration. <a href="group__libsws.html#gaaee057c84b44975856aa26e7bb0decce"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga985798b99929665a4dcecf661d45de72">swscale_license</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the libswscale license. <a href="group__libsws.html#ga985798b99929665a4dcecf661d45de72"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const int * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gac271c2aa3dd5569c59f018eaf914bbc0">sws_getCoefficients</a> (int colorspace)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return a pointer to yuv<->rgb coefficients for the given colorspace suitable for <a class="el" href="group__libsws.html#ga541bdffa8149f5f9203664f955faa040">sws_setColorspaceDetails()</a>. <a href="group__libsws.html#gac271c2aa3dd5569c59f018eaf914bbc0"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gab5e631b602510bd3fa3a5a7d509e573d">sws_isSupportedInput</a> (enum <a class="el" href="pixfmt_8h.html#a9a8e335cf3be472042bc9f0cf80cd4c5">AVPixelFormat</a> <a class="el" href="demuxing__decoding_8c.html#a7331e302ea7bb48e0b605a069576e135">pix_fmt</a>)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return a positive value if pix_fmt is a supported input format, 0 otherwise. <a href="group__libsws.html#gab5e631b602510bd3fa3a5a7d509e573d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga6885dc8ec36e8f2e701924263aa92cb0">sws_isSupportedOutput</a> (enum <a class="el" href="pixfmt_8h.html#a9a8e335cf3be472042bc9f0cf80cd4c5">AVPixelFormat</a> <a class="el" href="demuxing__decoding_8c.html#a7331e302ea7bb48e0b605a069576e135">pix_fmt</a>)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return a positive value if pix_fmt is a supported output format, 0 otherwise. <a href="group__libsws.html#ga6885dc8ec36e8f2e701924263aa92cb0"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga67f865ce22ae986ea84f4d7ce60ef182">sws_isSupportedEndiannessConversion</a> (enum <a class="el" href="pixfmt_8h.html#a9a8e335cf3be472042bc9f0cf80cd4c5">AVPixelFormat</a> <a class="el" href="demuxing__decoding_8c.html#a7331e302ea7bb48e0b605a069576e135">pix_fmt</a>)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct SwsContext * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gab97d02dc20945fd013ba49afb8bd1099">sws_alloc_context</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Allocate an empty SwsContext. <a href="group__libsws.html#gab97d02dc20945fd013ba49afb8bd1099"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gaea18a5a4278005ccdf5b9392cb8fcd89">sws_init_context</a> (struct SwsContext *sws_context, <a class="el" href="structSwsFilter.html">SwsFilter</a> *srcFilter, <a class="el" href="structSwsFilter.html">SwsFilter</a> *dstFilter)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Initialize the swscaler context sws_context. <a href="group__libsws.html#gaea18a5a4278005ccdf5b9392cb8fcd89"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gad3af0ca76f071dbe0173444db9882932">sws_freeContext</a> (struct SwsContext *swsContext)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Free the swscaler context swsContext. <a href="group__libsws.html#gad3af0ca76f071dbe0173444db9882932"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct SwsContext * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gaf360d1a9e0e60f906f74d7d44f9abfdd">sws_getContext</a> (int srcW, int srcH, enum <a class="el" href="pixfmt_8h.html#a9a8e335cf3be472042bc9f0cf80cd4c5">AVPixelFormat</a> srcFormat, int dstW, int dstH, enum <a class="el" href="pixfmt_8h.html#a9a8e335cf3be472042bc9f0cf80cd4c5">AVPixelFormat</a> dstFormat, int flags, <a class="el" href="structSwsFilter.html">SwsFilter</a> *srcFilter, <a class="el" href="structSwsFilter.html">SwsFilter</a> *dstFilter, const double *param)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Allocate and return an SwsContext. <a href="group__libsws.html#gaf360d1a9e0e60f906f74d7d44f9abfdd"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gae531c9754c9205d90ad6800015046d74">sws_scale</a> (struct SwsContext *c, const uint8_t *const srcSlice[], const int srcStride[], int srcSliceY, int srcSliceH, uint8_t *const dst[], const int dstStride[])</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Scale the image slice in srcSlice and put the resulting scaled slice in the image in dst. <a href="group__libsws.html#gae531c9754c9205d90ad6800015046d74"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga541bdffa8149f5f9203664f955faa040">sws_setColorspaceDetails</a> (struct SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga098dc4b69a97b616fc35791aec249ff1">sws_getColorspaceDetails</a> (struct SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structSwsVector.html">SwsVector</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga7c50ae0b2facbff7afcf88233c94d363">sws_allocVec</a> (int length)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Allocate and return an uninitialized vector with length coefficients. <a href="group__libsws.html#ga7c50ae0b2facbff7afcf88233c94d363"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structSwsVector.html">SwsVector</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga25e4916da07d6d4fcfc4417f6c246204">sws_getGaussianVec</a> (double variance, double quality)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return a normalized Gaussian curve used to filter stuff quality = 3 is high quality, lower is lower quality. <a href="group__libsws.html#ga25e4916da07d6d4fcfc4417f6c246204"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structSwsVector.html">SwsVector</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga1af43da26e59e9595ea404650bfbd052">sws_getConstVec</a> (double c, int length)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Allocate and return a vector with length coefficients, all with the same value c. <a href="group__libsws.html#ga1af43da26e59e9595ea404650bfbd052"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structSwsVector.html">SwsVector</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gafdb3a482b22a59da306449ecce6a1a2a">sws_getIdentityVec</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Allocate and return a vector with just one coefficient, with value 1.0. <a href="group__libsws.html#gafdb3a482b22a59da306449ecce6a1a2a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gaf79fd6cabde06a0f2d118eb373bf83c6">sws_scaleVec</a> (<a class="el" href="structSwsVector.html">SwsVector</a> *a, double scalar)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Scale all the coefficients of a by the scalar value. <a href="group__libsws.html#gaf79fd6cabde06a0f2d118eb373bf83c6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gab40ce33fa0a432f1ba57dda9f740380d">sws_normalizeVec</a> (<a class="el" href="structSwsVector.html">SwsVector</a> *a, double <a class="el" href="demuxing__decoding_8c.html#ad12fc34ce789bce6c8a05d8a17138534">height</a>)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Scale all the coefficients of a so that their sum equals height. <a href="group__libsws.html#gab40ce33fa0a432f1ba57dda9f740380d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga26e9f44ae6cdf82024772a7d8c27e76e">sws_convVec</a> (<a class="el" href="structSwsVector.html">SwsVector</a> *a, <a class="el" href="structSwsVector.html">SwsVector</a> *b)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga618bf6170f25bade10d71251a9ed2c48">sws_addVec</a> (<a class="el" href="structSwsVector.html">SwsVector</a> *a, <a class="el" href="structSwsVector.html">SwsVector</a> *b)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga0c5c30b5421ef0285e13bedd599d905f">sws_subVec</a> (<a class="el" href="structSwsVector.html">SwsVector</a> *a, <a class="el" href="structSwsVector.html">SwsVector</a> *b)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga1ca5b9e20145af269c873713c534eaaf">sws_shiftVec</a> (<a class="el" href="structSwsVector.html">SwsVector</a> *a, int shift)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structSwsVector.html">SwsVector</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga3045a5646db319e054d9923220e1c81b">sws_cloneVec</a> (<a class="el" href="structSwsVector.html">SwsVector</a> *a)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Allocate and return a clone of the vector a, that is a vector with the same coefficients as a. <a href="group__libsws.html#ga3045a5646db319e054d9923220e1c81b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gac9888325d6d97b10c13c8f3ee8d7a03f">sws_printVec2</a> (<a class="el" href="structSwsVector.html">SwsVector</a> *a, <a class="el" href="structAVClass.html">AVClass</a> *log_ctx, int log_level)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Print with <a class="el" href="group__lavu__log.html#gabd386ffd4b27637cf34e98d5d1a6e8ae" title="Send the specified message to the log if the level is less than or equal to the current av_log_level...">av_log()</a> a textual representation of the vector a if log_level <= av_log_level. <a href="group__libsws.html#gac9888325d6d97b10c13c8f3ee8d7a03f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga5745e8384365fd5c6b0a3241d6ab767b">sws_freeVec</a> (<a class="el" href="structSwsVector.html">SwsVector</a> *a)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structSwsFilter.html">SwsFilter</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gab885b56d729331538917edae65d557dd">sws_getDefaultFilter</a> (float lumaGBlur, float chromaGBlur, float lumaSharpen, float chromaSharpen, float chromaHShift, float chromaVShift, int verbose)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga17b762761f7a53d596841ac0f2d4a2b5">sws_freeFilter</a> (<a class="el" href="structSwsFilter.html">SwsFilter</a> *filter)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct SwsContext * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#gadffa09f208a3eba7fa3a6b1f74ab77f7">sws_getCachedContext</a> (struct SwsContext *context, int srcW, int srcH, enum <a class="el" href="pixfmt_8h.html#a9a8e335cf3be472042bc9f0cf80cd4c5">AVPixelFormat</a> srcFormat, int dstW, int dstH, enum <a class="el" href="pixfmt_8h.html#a9a8e335cf3be472042bc9f0cf80cd4c5">AVPixelFormat</a> dstFormat, int flags, <a class="el" href="structSwsFilter.html">SwsFilter</a> *srcFilter, <a class="el" href="structSwsFilter.html">SwsFilter</a> *dstFilter, const double *param)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Check if context can be reused, otherwise reallocate a new one. <a href="group__libsws.html#gadffa09f208a3eba7fa3a6b1f74ab77f7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga2a140989dfed29dd91065352b6a52840">sws_convertPalette8ToPacked32</a> (const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Convert an 8-bit paletted frame into a frame with a color depth of 32 bits. <a href="group__libsws.html#ga2a140989dfed29dd91065352b6a52840"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga3c3d094eb840e10fbc3a37c20a6c8585">sws_convertPalette8ToPacked24</a> (const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Convert an 8-bit paletted frame into a frame with a color depth of 24 bits. <a href="group__libsws.html#ga3c3d094eb840e10fbc3a37c20a6c8585"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="structAVClass.html">AVClass</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__libsws.html#ga14ed8a7188230d908f9f28ae9f7ba459">sws_get_class</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the <a class="el" href="structAVClass.html" title="Describe the class of an AVClass context structure.">AVClass</a> for swsContext. <a href="group__libsws.html#ga14ed8a7188230d908f9f28ae9f7ba459"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>external API header </p>
<p>Definition in file <a class="el" href="swscale_8h_source.html">swscale.h</a>.</p>
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