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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
/*
* 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.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "talloc.h"
#include "libmpcodecs/img_format.h"
#include "libmpcodecs/mp_image.h"
#include "libvo/fastmemcpy.h"
#include "libavutil/mem.h"
void mp_image_alloc_planes(mp_image_t *mpi) {
// IF09 - allocate space for 4. plane delta info - unused
if (mpi->imgfmt == IMGFMT_IF09) {
mpi->planes[0]=av_malloc(mpi->bpp*mpi->width*(mpi->height+2)/8+
mpi->chroma_width*mpi->chroma_height);
} else
mpi->planes[0]=av_malloc(mpi->bpp*mpi->width*(mpi->height+2)/8);
if (!mpi->planes[0])
abort(); //out of memory
if (mpi->flags&MP_IMGFLAG_PLANAR) {
int bpp = IMGFMT_IS_YUVP16(mpi->imgfmt)? 2 : 1;
// YV12/I420/YVU9/IF09. feel free to add other planar formats here...
mpi->stride[0]=mpi->stride[3]=bpp*mpi->width;
if(mpi->num_planes > 2){
mpi->stride[1]=mpi->stride[2]=bpp*mpi->chroma_width;
if(mpi->flags&MP_IMGFLAG_SWAPPED){
// I420/IYUV (Y,U,V)
mpi->planes[1]=mpi->planes[0]+mpi->stride[0]*mpi->height;
mpi->planes[2]=mpi->planes[1]+mpi->stride[1]*mpi->chroma_height;
if (mpi->num_planes > 3)
mpi->planes[3]=mpi->planes[2]+mpi->stride[2]*mpi->chroma_height;
} else {
// YV12,YVU9,IF09 (Y,V,U)
mpi->planes[2]=mpi->planes[0]+mpi->stride[0]*mpi->height;
mpi->planes[1]=mpi->planes[2]+mpi->stride[1]*mpi->chroma_height;
if (mpi->num_planes > 3)
mpi->planes[3]=mpi->planes[1]+mpi->stride[1]*mpi->chroma_height;
}
} else {
// NV12/NV21
mpi->stride[1]=mpi->chroma_width;
mpi->planes[1]=mpi->planes[0]+mpi->stride[0]*mpi->height;
}
} else {
mpi->stride[0]=mpi->width*mpi->bpp/8;
if (mpi->flags & MP_IMGFLAG_RGB_PALETTE)
mpi->planes[1] = av_malloc(1024);
}
mpi->flags|=MP_IMGFLAG_ALLOCATED;
}
mp_image_t* alloc_mpi(int w, int h, unsigned long int fmt) {
mp_image_t* mpi = new_mp_image(w,h);
mp_image_setfmt(mpi,fmt);
mp_image_alloc_planes(mpi);
return mpi;
}
void copy_mpi(mp_image_t *dmpi, mp_image_t *mpi) {
if(mpi->flags&MP_IMGFLAG_PLANAR){
memcpy_pic(dmpi->planes[0],mpi->planes[0], mpi->w, mpi->h,
dmpi->stride[0],mpi->stride[0]);
memcpy_pic(dmpi->planes[1],mpi->planes[1], mpi->chroma_width, mpi->chroma_height,
dmpi->stride[1],mpi->stride[1]);
memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->chroma_width, mpi->chroma_height,
dmpi->stride[2],mpi->stride[2]);
} else {
memcpy_pic(dmpi->planes[0],mpi->planes[0],
mpi->w*(dmpi->bpp/8), mpi->h,
dmpi->stride[0],mpi->stride[0]);
}
}
void mp_image_setfmt(mp_image_t* mpi,unsigned int out_fmt){
mpi->flags&=~(MP_IMGFLAG_PLANAR|MP_IMGFLAG_YUV|MP_IMGFLAG_SWAPPED);
mpi->imgfmt=out_fmt;
// compressed formats
if(out_fmt == IMGFMT_MPEGPES ||
out_fmt == IMGFMT_ZRMJPEGNI || out_fmt == IMGFMT_ZRMJPEGIT || out_fmt == IMGFMT_ZRMJPEGIB ||
IMGFMT_IS_HWACCEL(out_fmt)){
mpi->bpp=0;
return;
}
mpi->num_planes=1;
if (IMGFMT_IS_RGB(out_fmt)) {
if (IMGFMT_RGB_DEPTH(out_fmt) < 8 && !(out_fmt&128))
mpi->bpp = IMGFMT_RGB_DEPTH(out_fmt);
else
mpi->bpp=(IMGFMT_RGB_DEPTH(out_fmt)+7)&(~7);
return;
}
if (IMGFMT_IS_BGR(out_fmt)) {
if (IMGFMT_BGR_DEPTH(out_fmt) < 8 && !(out_fmt&128))
mpi->bpp = IMGFMT_BGR_DEPTH(out_fmt);
else
mpi->bpp=(IMGFMT_BGR_DEPTH(out_fmt)+7)&(~7);
mpi->flags|=MP_IMGFLAG_SWAPPED;
return;
}
mpi->flags|=MP_IMGFLAG_YUV;
mpi->num_planes=3;
if (mp_get_chroma_shift(out_fmt, NULL, NULL, NULL)) {
mpi->flags|=MP_IMGFLAG_PLANAR;
mpi->bpp = mp_get_chroma_shift(out_fmt, &mpi->chroma_x_shift, &mpi->chroma_y_shift, NULL);
mpi->chroma_width = mpi->width >> mpi->chroma_x_shift;
mpi->chroma_height = mpi->height >> mpi->chroma_y_shift;
}
switch(out_fmt){
case IMGFMT_I420:
case IMGFMT_IYUV:
mpi->flags|=MP_IMGFLAG_SWAPPED;
case IMGFMT_YV12:
return;
case IMGFMT_420A:
case IMGFMT_IF09:
mpi->num_planes=4;
case IMGFMT_YVU9:
case IMGFMT_444P:
case IMGFMT_422P:
case IMGFMT_411P:
case IMGFMT_440P:
case IMGFMT_444P16_LE:
case IMGFMT_444P16_BE:
case IMGFMT_444P10_LE:
case IMGFMT_444P10_BE:
case IMGFMT_444P9_LE:
case IMGFMT_444P9_BE:
case IMGFMT_422P16_LE:
case IMGFMT_422P16_BE:
case IMGFMT_422P10_LE:
case IMGFMT_422P10_BE:
case IMGFMT_420P16_LE:
case IMGFMT_420P16_BE:
case IMGFMT_420P10_LE:
case IMGFMT_420P10_BE:
case IMGFMT_420P9_LE:
case IMGFMT_420P9_BE:
return;
case IMGFMT_Y800:
case IMGFMT_Y8:
/* they're planar ones, but for easier handling use them as packed */
mpi->flags&=~MP_IMGFLAG_PLANAR;
mpi->num_planes=1;
return;
case IMGFMT_UYVY:
mpi->flags|=MP_IMGFLAG_SWAPPED;
case IMGFMT_YUY2:
mpi->bpp=16;
mpi->num_planes=1;
return;
case IMGFMT_NV12:
mpi->flags|=MP_IMGFLAG_SWAPPED;
case IMGFMT_NV21:
mpi->flags|=MP_IMGFLAG_PLANAR;
mpi->bpp=12;
mpi->num_planes=2;
mpi->chroma_width=(mpi->width>>0);
mpi->chroma_height=(mpi->height>>1);
mpi->chroma_x_shift=0;
mpi->chroma_y_shift=1;
return;
}
mp_msg(MSGT_DECVIDEO,MSGL_WARN,"mp_image: unknown out_fmt: 0x%X\n",out_fmt);
mpi->bpp=0;
}
static int mp_image_destructor(void *ptr)
{
mp_image_t *mpi = ptr;
if(mpi->flags&MP_IMGFLAG_ALLOCATED){
/* because we allocate the whole image at once */
av_free(mpi->planes[0]);
if (mpi->flags & MP_IMGFLAG_RGB_PALETTE)
av_free(mpi->planes[1]);
}
return 0;
}
mp_image_t* new_mp_image(int w,int h){
mp_image_t* mpi = talloc_zero(NULL, mp_image_t);
talloc_set_destructor(mpi, mp_image_destructor);
mpi->width=mpi->w=w;
mpi->height=mpi->h=h;
return mpi;
}
void free_mp_image(mp_image_t* mpi){
talloc_free(mpi);
}
|
