1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/*
* 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>
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;
};
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
|
