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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/*
*
* Copyright (C) 2000 Thomas Mirlacher
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* The author may be reached as <dent@linuxvideo.org>
*
*------------------------------------------------------------
*
*/
#ifndef __ALPHABLEND_H__
#define __ALPHABLEND_H__
#include <xine/video_out.h>
typedef struct {
void *buffer;
int buffer_size;
int disable_exact_blending;
} alphablend_t;
void _x_alphablend_init(alphablend_t *extra_data, xine_t *xine);
void _x_alphablend_free(alphablend_t *extra_data);
/* _MSC_VER port changes */
#undef ATTRIBUTE_PACKED
#undef PRAGMA_PACK_BEGIN
#undef PRAGMA_PACK_END
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) || defined(__ICC)
#define ATTRIBUTE_PACKED __attribute__ ((packed))
#define PRAGMA_PACK 0
#endif
#if !defined(ATTRIBUTE_PACKED)
#define ATTRIBUTE_PACKED
#define PRAGMA_PACK 1
#endif
#if PRAGMA_PACK
#pragma pack(8)
#endif
typedef struct { /* CLUT == Color LookUp Table */
uint8_t cb : 8;
uint8_t cr : 8;
uint8_t y : 8;
uint8_t foo : 8;
} ATTRIBUTE_PACKED clut_t;
#if PRAGMA_PACK
#pragma pack()
#endif
#define XX44_PALETTE_SIZE 32
typedef struct {
unsigned size;
unsigned max_used;
uint32_t cluts[XX44_PALETTE_SIZE];
/* cache palette entries for both colors and clip_colors */
int lookup_cache[OVL_PALETTE_SIZE*2];
} xx44_palette_t;
void blend_rgb16 (uint8_t * img, vo_overlay_t * img_overl,
int img_width, int img_height,
int dst_width, int dst_height,
alphablend_t *extra_data);
void blend_rgb24 (uint8_t * img, vo_overlay_t * img_overl,
int img_width, int img_height,
int dst_width, int dst_height,
alphablend_t *extra_data);
void blend_rgb32 (uint8_t * img, vo_overlay_t * img_overl,
int img_width, int img_height,
int dst_width, int dst_height,
alphablend_t *extra_data);
void blend_yuv (uint8_t *dst_base[3], vo_overlay_t * img_overl,
int dst_width, int dst_height, int dst_pitches[3],
alphablend_t *extra_data);
void blend_yuy2 (uint8_t * dst_img, vo_overlay_t * img_overl,
int dst_width, int dst_height, int dst_pitch,
alphablend_t *extra_data);
/*
* This function isn't too smart about blending. We want to avoid creating new
* colors in the palette as a result from two non-zero colors needed to be
* blended. Instead we choose the color with the highest alpha value to be
* visible. Some parts of the code taken from the "VeXP" project.
*/
void blend_xx44 (uint8_t *dst_img, vo_overlay_t *img_overl,
int dst_width, int dst_height, int dst_pitch,
alphablend_t *extra_data,
xx44_palette_t *palette,int ia44);
/*
* Functions to handle the xine-specific palette.
*/
void clear_xx44_palette(xx44_palette_t *p);
void init_xx44_palette(xx44_palette_t *p, unsigned num_entries);
void dispose_xx44_palette(xx44_palette_t *p);
/*
* Convert the xine-specific palette to something useful.
*/
void xx44_to_xvmc_palette(const xx44_palette_t *p,unsigned char *xvmc_palette,
unsigned first_xx44_entry, unsigned num_xx44_entries,
unsigned num_xvmc_components, char *xvmc_components);
#endif
|
