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68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/*
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* Copyright (c) 1995 The Regents of the University of California.
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* All rights reserved.
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*
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* Permission to use, copy, modify, and distribute this software and its
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* documentation for any purpose, without fee, and without written agreement is
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* hereby granted, provided that the above copyright notice and the following
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* two paragraphs appear in all copies of this software.
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*
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* IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
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* OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
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* CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*/
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#ifndef __YUV2RGB_H__
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#define __YUV2RGB_H__
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#include <gst/gst.h>
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typedef struct _GstColorSpaceYUVTables GstColorSpaceYUVTables;
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struct _GstColorSpaceYUVTables {
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int gammaCorrectFlag;
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double gammaCorrect;
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int chromaCorrectFlag;
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double chromaCorrect;
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int *L_tab, *Cr_r_tab, *Cr_g_tab, *Cb_g_tab, *Cb_b_tab;
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/*
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* We define tables that convert a color value between -256 and 512
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* into the R, G and B parts of the pixel. The normal range is 0-255.
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**/
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long *r_2_pix;
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long *g_2_pix;
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long *b_2_pix;
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};
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typedef struct _GstColorSpaceConverter GstColorSpaceConverter;
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typedef void (*GstColorSpaceConvertFunction) (GstColorSpaceConverter *space, guchar *src, guchar *dest);
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struct _GstColorSpaceConverter {
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guint width;
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guint height;
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guint insize;
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guint outsize;
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/* private */
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GstColorSpaceYUVTables *color_tables;
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GstColorSpaceConvertFunction convert;
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};
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GstColorSpaceConverter* gst_colorspace_yuv2rgb_get_converter (GstCaps *from, GstCaps *to);
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#define gst_colorspace_convert(converter, src, dest) \
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(converter)->convert((converter), (src), (dest))
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void gst_colorspace_destroy (GstColorSpaceConverter *space);
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#endif
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