xine-lib: xine-lib-1.2.13/include/xine/spu.h Source File

xine-lib 1.2.13-20230125hg15249

spu.h
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1/*
2 * Copyright (C) 2007-2022 the xine project
3 *
4 * This file is part of xine, a free video player.
5 *
6 * xine is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * xine is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 */
21
22#ifndef XINE_UTILS_SPU_H
23#define XINE_UTILS_SPU_H
24
25#include <xine/attributes.h>
26#include <xine/os_types.h>
27
28 typedef struct xine_spu_opacity_s xine_spu_opacity_t;
29
30 struct xine_spu_opacity_s {
31 uint8_t black, colour;
32};
33
34void _x_spu_misc_init (xine_t *);
35
36void _x_spu_get_opacity (xine_t *, xine_spu_opacity_t *) XINE_PROTECTED;
37
38/* in: trans = 0..255, 0=opaque
39 * out: 0..255, 0=transparent
40 */
41int _x_spu_calculate_opacity (const clut_t *, uint8_t trans, const xine_spu_opacity_t *) XINE_PROTECTED;
42
49void _x_spu_dvb_opacity (xine_t *xine, uint8_t *opacity, const clut_t *clut, int *gen, uint32_t n) XINE_PROTECTED;
50
51#endif
attributes.h
XINE_PROTECTED
#define XINE_PROTECTED
Definition attributes.h:75
os_types.h
_x_spu_get_opacity
void _x_spu_get_opacity(xine_t *, xine_spu_opacity_t *)
Definition spu.c:83
_x_spu_dvb_opacity
void _x_spu_dvb_opacity(xine_t *xine, uint8_t *opacity, const clut_t *clut, int *gen, uint32_t n)
(re)calculate DVB subtitle opacity table if needed.
Definition spu.c:105
_x_spu_misc_init
void _x_spu_misc_init(xine_t *)
Definition spu.c:66
_x_spu_calculate_opacity
int _x_spu_calculate_opacity(const clut_t *, uint8_t trans, const xine_spu_opacity_t *)
Definition spu.c:92
clut_s
Definition alphablend.h:44
xine_s
Definition xine_internal.h:80
xine_spu_opacity_s
Definition spu.h:30
xine_spu_opacity_s::colour
uint8_t colour
Definition spu.h:31
xine_spu_opacity_s::black
uint8_t black
Definition spu.h:31