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
|
/*
* This file is part of MPlayer.
*
* MPlayer 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.
*
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPLAYER_TVI_DEF_H
#define MPLAYER_TVI_DEF_H
#include <stdlib.h> /* malloc */
#include <string.h> /* memset */
#include "video/img_fourcc.h"
#include "tv.h"
static int init(priv_t *priv);
static int uninit(priv_t *priv);
static int control(priv_t *priv, int cmd, void *arg);
static int start(priv_t *priv);
static double grab_video_frame(priv_t *priv, char *buffer, int len);
static int get_video_framesize(priv_t *priv);
static double grab_audio_frame(priv_t *priv, char *buffer, int len);
static int get_audio_framesize(priv_t *priv);
static const tvi_functions_t functions =
{
init,
uninit,
control,
start,
grab_video_frame,
get_video_framesize,
grab_audio_frame,
get_audio_framesize
};
/**
Fills video frame in given buffer with blue color for yv12,i420,uyvy,yuy2.
Other formats will be filled with 0xC0
*/
static inline void fill_blank_frame(char* buffer,int len,int fmt){
int i;
// RGB(0,0,255) <-> YVU(41,110,240)
switch(fmt){
case MP_FOURCC_YV12:
memset(buffer, 41,4*len/6); //Y
memset(buffer+4*len/6, 110,len/6);//V
memset(buffer+5*len/6, 240,len/6);//U
break;
case MP_FOURCC_I420:
memset(buffer, 41,4*len/6); //Y
memset(buffer+4*len/6, 240,len/6);//U
memset(buffer+5*len/6, 110,len/6);//V
break;
case MP_FOURCC_UYVY:
for(i=0;i<len;i+=4){
buffer[i]=0xFF;
buffer[i+1]=0;
buffer[i+2]=0;
buffer[i+3]=0;
}
break;
case MP_FOURCC_YUY2:
for(i=0;i<len;i+=4){
buffer[i]=0;
buffer[i+1]=0xFF;
buffer[i+2]=0;
buffer[i+3]=0;
}
break;
case MP_FOURCC_MJPEG:
/*
This is compressed format. I don't know yet how to fill such frame with blue color.
Keeping frame unchanged.
*/
break;
default:
memset(buffer,0xC0,len);
}
}
#endif /* MPLAYER_TVI_DEF_H */
|
