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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include "config.h"
#include "mp_msg.h"
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
#include "postproc/rgb2rgb.h"
//===========================================================================//
static unsigned int bgr_list[]={
IMGFMT_Y800,
IMGFMT_Y8,
IMGFMT_BGR8,
IMGFMT_RGB8,
IMGFMT_YVU9,
IMGFMT_411P,
IMGFMT_YV12,
IMGFMT_I420,
IMGFMT_IYUV,
IMGFMT_422P,
IMGFMT_444P,
IMGFMT_YUY2,
IMGFMT_BGR15,
IMGFMT_RGB15,
IMGFMT_BGR16,
IMGFMT_RGB16,
IMGFMT_BGR32,
IMGFMT_RGB32,
// IMGFMT_BGR24,
// IMGFMT_RGB24,
0
};
static unsigned int find_best(struct vf_instance_s* vf){
unsigned int best=0;
int ret;
unsigned int* p=bgr_list;
while(*p){
ret=vf->next->query_format(vf->next,*p);
mp_msg(MSGT_VFILTER,MSGL_V,"[%s] query(%s) -> %d\n",vf->info->name,vo_format_name(*p),ret&3);
if(ret&VFCAP_CSP_SUPPORTED_BY_HW){ best=*p; break;} // no conversion -> bingo!
if(ret&VFCAP_CSP_SUPPORTED && !best) best=*p; // best with conversion
++p;
}
return best;
}
//===========================================================================//
struct vf_priv_s {
unsigned int fmt;
};
static int config(struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt){
if (!vf->priv->fmt)
vf->priv->fmt=find_best(vf);
if(!vf->priv->fmt){
// no matching fmt, so force one...
if(outfmt==IMGFMT_RGB8) vf->priv->fmt=IMGFMT_RGB32;
else if(outfmt==IMGFMT_BGR8) vf->priv->fmt=IMGFMT_BGR32;
else return 0;
}
return vf_next_config(vf,width,height,d_width,d_height,flags,vf->priv->fmt);
}
static int bittab[8]={128,64,32,16,8,4,2,1};
static void convert(mp_image_t *mpi, mp_image_t *dmpi, int value0, int value1,int bpp){
int y;
for(y=0;y<mpi->h;y++){
unsigned char* src=mpi->planes[0]+mpi->stride[0]*y;
switch(bpp){
case 1: {
unsigned char* dst=dmpi->planes[0]+dmpi->stride[0]*y;
int x;
for(x=0;x<mpi->w;x++)
dst[x]=(src[x>>3]&bittab[x&7]) ? value1 : value0;
break; }
case 2: {
uint16_t* dst=(uint16_t*)(dmpi->planes[0]+dmpi->stride[0]*y);
int x;
for(x=0;x<mpi->w;x++)
dst[x]=(src[x>>3]&bittab[x&7]) ? value1 : value0;
break; }
case 4: {
uint32_t* dst=(uint32_t*)(dmpi->planes[0]+dmpi->stride[0]*y);
int x;
for(x=0;x<mpi->w;x++)
dst[x]=(src[x>>3]&bittab[x&7]) ? value1 : value0;
break; }
}
}
}
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts){
mp_image_t *dmpi;
// hope we'll get DR buffer:
dmpi=vf_get_image(vf->next,vf->priv->fmt,
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
mpi->w, mpi->h);
switch(dmpi->imgfmt){
case IMGFMT_Y800:
case IMGFMT_Y8:
case IMGFMT_BGR8:
case IMGFMT_RGB8:
convert(mpi,dmpi,0,255,1);
break;
case IMGFMT_YVU9:
case IMGFMT_411P:
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV:
case IMGFMT_422P:
case IMGFMT_444P:
convert(mpi,dmpi,0,255,1);
memset(dmpi->planes[1],128,dmpi->stride[1]*dmpi->chroma_height);
memset(dmpi->planes[2],128,dmpi->stride[2]*dmpi->chroma_height);
break;
case IMGFMT_YUY2:
convert(mpi,dmpi,0x8000,0x80ff,2);
break;
case IMGFMT_BGR15:
case IMGFMT_RGB15:
convert(mpi,dmpi,0,0x7fff,2);
break;
case IMGFMT_BGR16:
case IMGFMT_RGB16:
convert(mpi,dmpi,0,0xffff,2);
break;
case IMGFMT_BGR32:
case IMGFMT_RGB32:
convert(mpi,dmpi,0,0x00ffffff,4);
break;
default:
mp_msg(MSGT_VFILTER,MSGL_ERR,"Unhandled format: 0x%X\n",dmpi->imgfmt);
return 0;
}
return vf_next_put_image(vf,dmpi, pts);
}
//===========================================================================//
static int query_format(struct vf_instance_s* vf, unsigned int fmt){
int best;
if(fmt!=IMGFMT_RGB1 && fmt!=IMGFMT_BGR1) return 0;
best=find_best(vf);
if(!best) return 0; // no match
return vf->next->query_format(vf->next,best);
}
static int open(vf_instance_t *vf, char* args){
vf->config=config;
vf->put_image=put_image;
vf->query_format=query_format;
vf->priv=malloc(sizeof(struct vf_priv_s));
memset(vf->priv, 0, sizeof(struct vf_priv_s));
return 1;
}
vf_info_t vf_info_1bpp = {
"1bpp bitmap -> YUV/BGR 8/15/16/32 conversion",
"1bpp",
"A'rpi",
"",
open,
NULL
};
//===========================================================================//
|
