gstreamer/gst/colorspace/yuv2rgb.h

98 lines
3.2 KiB
C
Raw Normal View History

/*
* Copyright (c) 1995 The Regents of the University of California.
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose, without fee, and without written agreement is
* hereby granted, provided that the above copyright notice and the following
* two paragraphs appear in all copies of this software.
*
* IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
* OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
* CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*/
#ifndef __YUV2RGB_H__
#define __YUV2RGB_H__
#include <gst/gst.h>
#include "gstcolorspace.h"
G_BEGIN_DECLS
#if 0
typedef struct _GstColorspaceYUVTables GstColorspaceYUVTables;
struct _GstColorspaceYUVTables {
int gammaCorrectFlag;
double gammaCorrect;
int chromaCorrectFlag;
double chromaCorrect;
int *L_tab, *Cr_r_tab, *Cr_g_tab, *Cb_g_tab, *Cb_b_tab;
/*
* We define tables that convert a color value between -256 and 512
* into the R, G and B parts of the pixel. The normal range is 0-255.
**/
long *r_2_pix;
long *g_2_pix;
long *b_2_pix;
};
typedef struct _GstColorspaceConverter GstColorspaceConverter;
typedef void (*GstColorspaceConvertFunction) (GstColorspaceConverter *space, guchar *src, guchar *dest);
struct _GstColorspaceConverter {
guint width;
guint height;
guint insize;
guint outsize;
/* private */
GstColorspaceYUVTables *color_tables;
GstColorspaceConvertFunction convert;
};
#endif
void gst_colorspace_table_init (GstColorspace *space);
void gst_colorspace_I420_to_rgb32(GstColorspace *space,
unsigned char *src, unsigned char *dest);
void gst_colorspace_I420_to_rgb24(GstColorspace *space,
unsigned char *src, unsigned char *dest);
void gst_colorspace_I420_to_rgb16(GstColorspace *space,
unsigned char *src, unsigned char *dest);
void gst_colorspace_YV12_to_rgb32(GstColorspace *space,
unsigned char *src, unsigned char *dest);
void gst_colorspace_YV12_to_rgb24(GstColorspace *space,
unsigned char *src, unsigned char *dest);
void gst_colorspace_YV12_to_rgb16(GstColorspace *space,
unsigned char *src, unsigned char *dest);
#if 0
GstColorspaceYUVTables * gst_colorspace_init_yuv(long depth,
long red_mask, long green_mask, long blue_mask);
#endif
#if 0
GstColorspaceConverter* gst_colorspace_yuv2rgb_get_converter (const GstCaps *from, const GstCaps *to);
#define gst_colorspace_convert(converter, src, dest) \
(converter)->convert((converter), (src), (dest))
void gst_colorspace_converter_destroy (GstColorspaceConverter *space);
#endif
G_END_DECLS
#endif