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<h1>ccvt.h</h1><a href="ccvt_8h.html">Go to the documentation of this file.</a><pre class="fragment"><div>00001 <span class="comment">/* CCVT: ColourConVerT: simple library for converting colourspaces</span>
00002 <span class="comment"> Copyright (C) 2002 Nemosoft Unv.</span>
00003 <span class="comment"></span>
00004 <span class="comment"> This program is free software; you can redistribute it and/or modify</span>
00005 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
00006 <span class="comment"> the Free Software Foundation; either version 2 of the License, or</span>
00007 <span class="comment"> (at your option) any later version.</span>
00008 <span class="comment"></span>
00009 <span class="comment"> This program is distributed in the hope that it will be useful,</span>
00010 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
00011 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
00012 <span class="comment"> GNU General Public License for more details.</span>
00013 <span class="comment"></span>
00014 <span class="comment"> You should have received a copy of the GNU General Public License</span>
00015 <span class="comment"> along with this program; if not, write to the Free Software</span>
00016 <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
00017 <span class="comment"></span>
00018 <span class="comment"> For questions, remarks, patches, etc. for this program, the author can be</span>
00019 <span class="comment"> reached at nemosoft@smcc.demon.nl.</span>
00020 <span class="comment">*/</span>
00021
00022 <span class="comment">/*</span>
00023 <span class="comment"> $Log: ccvt_8h-source.html,v $
00023 <span class="comment"> Revision 1.2 2006/12/17 03:51:12 nemosoft
00023 <span class="comment"> New generated API
00023 <span class="comment"></span>
00024 <span class="comment"> Revision 1.11 2006/06/12 20:52:50 nemosoft</span>
00025 <span class="comment"> Fixing end-of-buffer overrun in bgr24/32 conversion routines</span>
00026 <span class="comment"></span>
00027 <span class="comment"> Revision 1.10 2003/10/24 16:55:18 nemosoft</span>
00028 <span class="comment"> removed erronous log messages</span>
00029 <span class="comment"></span>
00030 <span class="comment"> Revision 1.9 2002/11/03 22:46:25 nemosoft</span>
00031 <span class="comment"> Adding various RGB to RGB functions.</span>
00032 <span class="comment"> Adding proper copyright header too.</span>
00033 <span class="comment"></span>
00034 <span class="comment"> Revision 1.8 2002/04/14 01:00:27 nemosoft</span>
00035 <span class="comment"> Finishing touches: adding const, adding libs for 'show'</span>
00036 <span class="comment">*/</span>
00037
00038
00039 <span class="preprocessor">#ifndef CCVT_H</span>
00040 <span class="preprocessor"></span><span class="preprocessor">#define CCVT_H</span>
00041 <span class="preprocessor"></span>
00042 <span class="preprocessor">#ifdef __cplusplus</span>
00043 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
00044 <span class="preprocessor">#endif</span>
00045 <span class="preprocessor"></span>
00046 <span class="comment">/* Colour ConVerT: going from one colour space to another.</span>
00047 <span class="comment"> ** NOTE: the set of available functions is far from complete! **</span>
00048 <span class="comment"></span>
00049 <span class="comment"> Format descriptions:</span>
00050 <span class="comment"> 420i = "4:2:0 interlaced"</span>
00051 <span class="comment"> YYYY UU YYYY UU even lines</span>
00052 <span class="comment"> YYYY VV YYYY VV odd lines</span>
00053 <span class="comment"> U/V data is subsampled by 2 both in horizontal</span>
00054 <span class="comment"> and vertical directions, and intermixed with the Y values.</span>
00055 <span class="comment"></span>
00056 <span class="comment"> 420p = "4:2:0 planar"</span>
00057 <span class="comment"> YYYYYYYY N lines</span>
00058 <span class="comment"> UUUU N/2 lines</span>
00059 <span class="comment"> VVVV N/2 lines</span>
00060 <span class="comment"> U/V is again subsampled, but all the Ys, Us and Vs are placed</span>
00061 <span class="comment"> together in separate buffers. The buffers may be placed in</span>
00062 <span class="comment"> one piece of contiguous memory though, with Y buffer first,</span>
00063 <span class="comment"> followed by U, followed by V.</span>
00064 <span class="comment"></span>
00065 <span class="comment"> yuyv = "4:2:2 interlaced"</span>
00066 <span class="comment"> YUYV YUYV YUYV ... N lines</span>
00067 <span class="comment"> The U/V data is subsampled by 2 in horizontal direction only.</span>
00068 <span class="comment"></span>
00069 <span class="comment"> bgr24 = 3 bytes per pixel, in the order Blue Green Red (whoever came up</span>
00070 <span class="comment"> with that idea...)</span>
00071 <span class="comment"> rgb24 = 3 bytes per pixel, in the order Red Green Blue (which is sensible)</span>
00072 <span class="comment"> rgb32 = 4 bytes per pixel, in the order Red Green Blue Alpha, with</span>
00073 <span class="comment"> Alpha really being a filler byte (0)</span>
00074 <span class="comment"> bgr32 = last but not least, 4 bytes per pixel, in the order Blue Green Red</span>
00075 <span class="comment"> Alpha, Alpha again a filler byte (0)</span>
00076 <span class="comment"> */</span>
00077
00078 <span class="comment">/* 4:2:0 YUV planar to RGB/BGR */</span>
00079 <span class="keywordtype">void</span> <a class="code" href="ccvt_8h.html#a0">ccvt_420p_bgr24</a>(<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keyword">const</span> <span class="keywordtype">void</span> *src, <span class="keywordtype">void</span> *dst);
00080 <span class="keywordtype">void</span> <a class="code" href="ccvt_8h.html#a1">ccvt_420p_rgb24</a>(<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keyword">const</span> <span class="keywordtype">void</span> *src, <span class="keywordtype">void</span> *dst);
00081 <span class="keywordtype">void</span> <a class="code" href="ccvt_8h.html#a2">ccvt_420p_bgr32</a>(<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keyword">const</span> <span class="keywordtype">void</span> *src, <span class="keywordtype">void</span> *dst);
00082 <span class="keywordtype">void</span> <a class="code" href="ccvt_8h.html#a3">ccvt_420p_rgb32</a>(<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keyword">const</span> <span class="keywordtype">void</span> *src, <span class="keywordtype">void</span> *dst);
00083
00084 <span class="comment">/* 4:2:2 YUYV interlaced to RGB/BGR */</span>
00085 <span class="keywordtype">void</span> <a class="code" href="ccvt_8h.html#a4">ccvt_yuyv_rgb32</a>(<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keyword">const</span> <span class="keywordtype">void</span> *src, <span class="keywordtype">void</span> *dst);
00086 <span class="keywordtype">void</span> <a class="code" href="ccvt_8h.html#a5">ccvt_yuyv_bgr32</a>(<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keyword">const</span> <span class="keywordtype">void</span> *src, <span class="keywordtype">void</span> *dst);
00087
00088 <span class="comment">/* 4:2:2 YUYV interlaced to 4:2:0 YUV planar */</span>
00089 <span class="keywordtype">void</span> <a class="code" href="ccvt_8h.html#a6">ccvt_yuyv_420p</a>(<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keyword">const</span> <span class="keywordtype">void</span> *src, <span class="keywordtype">void</span> *dsty, <span class="keywordtype">void</span> *dstu, <span class="keywordtype">void</span> *dstv);
00090
00091 <span class="comment">/* RGB/BGR to 4:2:0 YUV interlaced */</span>
00092
00093 <span class="comment">/* RGB/BGR to 4:2:0 YUV planar */</span>
00094 <span class="keywordtype">void</span> <a class="code" href="ccvt_8h.html#a7">ccvt_rgb24_420p</a>(<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keyword">const</span> <span class="keywordtype">void</span> *src, <span class="keywordtype">void</span> *dsty, <span class="keywordtype">void</span> *dstu, <span class="keywordtype">void</span> *dstv);
00095 <span class="keywordtype">void</span> <a class="code" href="ccvt_8h.html#a8">ccvt_bgr24_420p</a>(<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keyword">const</span> <span class="keywordtype">void</span> *src, <span class="keywordtype">void</span> *dsty, <span class="keywordtype">void</span> *dstu, <span class="keywordtype">void</span> *dstv);
00096
00097 <span class="comment">/* RGB/BGR to RGB/BGR */</span>
00098 <span class="keywordtype">void</span> <a class="code" href="ccvt_8h.html#a9">ccvt_bgr24_bgr32</a>(<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keyword">const</span> <span class="keywordtype">void</span> *<span class="keyword">const</span> src, <span class="keywordtype">void</span> *<span class="keyword">const</span> dst);
00099 <span class="keywordtype">void</span> <a class="code" href="ccvt_8h.html#a10">ccvt_bgr24_rgb32</a>(<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keyword">const</span> <span class="keywordtype">void</span> *<span class="keyword">const</span> src, <span class="keywordtype">void</span> *<span class="keyword">const</span> dst);
00100 <span class="keywordtype">void</span> <a class="code" href="ccvt_8h.html#a11">ccvt_bgr32_bgr24</a>(<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keyword">const</span> <span class="keywordtype">void</span> *<span class="keyword">const</span> src, <span class="keywordtype">void</span> *<span class="keyword">const</span> dst);
00101 <span class="keywordtype">void</span> <a class="code" href="ccvt_8h.html#a12">ccvt_bgr32_rgb24</a>(<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keyword">const</span> <span class="keywordtype">void</span> *<span class="keyword">const</span> src, <span class="keywordtype">void</span> *<span class="keyword">const</span> dst);
00102 <span class="keywordtype">void</span> <a class="code" href="ccvt_8h.html#a13">ccvt_rgb24_bgr32</a>(<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keyword">const</span> <span class="keywordtype">void</span> *<span class="keyword">const</span> src, <span class="keywordtype">void</span> *<span class="keyword">const</span> dst);
00103 <span class="keywordtype">void</span> <a class="code" href="ccvt_8h.html#a14">ccvt_rgb24_rgb32</a>(<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keyword">const</span> <span class="keywordtype">void</span> *<span class="keyword">const</span> src, <span class="keywordtype">void</span> *<span class="keyword">const</span> dst);
00104 <span class="keywordtype">void</span> <a class="code" href="ccvt_8h.html#a15">ccvt_rgb32_bgr24</a>(<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keyword">const</span> <span class="keywordtype">void</span> *<span class="keyword">const</span> src, <span class="keywordtype">void</span> *<span class="keyword">const</span> dst);
00105 <span class="keywordtype">void</span> <a class="code" href="ccvt_8h.html#a16">ccvt_rgb32_rgb24</a>(<span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keyword">const</span> <span class="keywordtype">void</span> *<span class="keyword">const</span> src, <span class="keywordtype">void</span> *<span class="keyword">const</span> dst);
00106
00107
00108 <span class="preprocessor">#ifdef __cplusplus</span>
00109 <span class="preprocessor"></span>}
00110 <span class="preprocessor">#endif</span>
00111 <span class="preprocessor"></span>
00112 <span class="preprocessor">#endif</span>
</div></pre><hr size="1"><address style="align: right;"><small>Generated on Wed Dec 13 23:38:46 2006 for CamStream by
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