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
|
//#define memcpy(a,b,c)
/*
* video_out_mga.c
*
* Copyright (C) Aaron Holtzman - Aug 1999
*
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
*
* mpeg2dec 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, or (at your option)
* any later version.
*
* mpeg2dec 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 GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "video_out.h"
#include "video_out_internal.h"
LIBVO_EXTERN(mga)
#include <sys/ioctl.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/mman.h>
#include "drivers/mga_vid.h"
#include "sub.h"
static vo_info_t vo_info =
{
"Matrox G200/G400 overlay (/dev/mga_vid)",
"mga",
"Aaron Holtzman <aholtzma@ess.engr.uvic.ca>",
""
};
#include "mga_common.c"
static uint32_t
init(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t fullscreen, char *title, uint32_t format)
{
char *devname=vo_subdevice?vo_subdevice:"/dev/mga_vid";
f = open(devname,O_RDWR);
if(f == -1)
{
printf("Couldn't open %s\n",devname);
return(-1);
}
switch(format){
case IMGFMT_YV12:
mga_vid_config.frame_size = ((width + 31) & ~31) * height + (((width + 31) & ~31) * height) / 2;
mga_vid_config.format=MGA_VID_FORMAT_YV12; break;
case IMGFMT_I420:
mga_vid_config.frame_size = ((width + 31) & ~31) * height + (((width + 31) & ~31) * height) / 2;
mga_vid_config.format=MGA_VID_FORMAT_I420; break;
case IMGFMT_IYUV:
mga_vid_config.frame_size = ((width + 31) & ~31) * height + (((width + 31) & ~31) * height) / 2;
mga_vid_config.format=MGA_VID_FORMAT_IYUV; break;
case IMGFMT_YUY2:
mga_vid_config.frame_size = ((width + 31) & ~31) * height * 2;
mga_vid_config.format=MGA_VID_FORMAT_YUY2; break;
case IMGFMT_UYVY:
mga_vid_config.frame_size = ((width + 31) & ~31) * height * 2;
mga_vid_config.format=MGA_VID_FORMAT_UYVY; break;
default:
printf("mga: invalid output format %0X\n",format);
return (-1);
}
mga_vid_config.colkey_on=0;
mga_vid_config.src_width = width;
mga_vid_config.src_height= height;
mga_vid_config.dest_width = d_width;
mga_vid_config.dest_height= d_height;
mga_vid_config.x_org= 0; // (720-mga_vid_config.dest_width)/2;
mga_vid_config.y_org= 0; // (576-mga_vid_config.dest_height)/2;
mga_vid_config.version=MGA_VID_VERSION;
return mga_init();
}
static const vo_info_t*
get_info(void)
{
return &vo_info;
}
static void
uninit(void)
{
mga_uninit();
printf("vo: uninit!\n");
}
static void draw_osd(void)
{
vo_draw_text(mga_vid_config.src_width,mga_vid_config.src_height,draw_alpha);
}
static void flip_page(void)
{
vo_mga_flip_page();
}
static void check_events(void)
{
}
|
