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
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
#ifndef MP_IMAGE_H
#define MP_IMAGE_H
//--------- codec's requirements (filled by the codec/vf) ---------
//--- buffer content restrictions:
// set if buffer content shouldn't be modified:
#define MP_IMGFLAG_PRESERVE 0x01
// set if buffer content will be READ for next frame's MC: (I/P mpeg frames)
#define MP_IMGFLAG_READABLE 0x02
//--- buffer width/stride/plane restrictions: (used for direct rendering)
// stride _have_to_ be aligned to MB boundary: [for DR restrictions]
#define MP_IMGFLAG_ACCEPT_ALIGNED_STRIDE 0x4
// stride should be aligned to MB boundary: [for buffer allocation]
#define MP_IMGFLAG_PREFER_ALIGNED_STRIDE 0x8
// codec accept any stride (>=width):
#define MP_IMGFLAG_ACCEPT_STRIDE 0x10
// codec accept any width (width*bpp=stride -> stride%bpp==0) (>=width):
#define MP_IMGFLAG_ACCEPT_WIDTH 0x20
//--- for planar formats only:
// uses only stride[0], and stride[1]=stride[2]=stride[0]>>mpi->chroma_x_shift
#define MP_IMGFLAG_COMMON_STRIDE 0x40
// uses only planes[0], and calculates planes[1,2] from width,height,imgfmt
#define MP_IMGFLAG_COMMON_PLANE 0x80
#define MP_IMGFLAGMASK_RESTRICTIONS 0xFF
//--------- color info (filled by mp_image_setfmt() ) -----------
// set if number of planes > 1
#define MP_IMGFLAG_PLANAR 0x100
// set if it's YUV colorspace
#define MP_IMGFLAG_YUV 0x200
// set if it's swapped (BGR or YVU) plane/byteorder
#define MP_IMGFLAG_SWAPPED 0x400
// using palette for RGB data
#define MP_IMGFLAG_RGB_PALETTE 0x800
#define MP_IMGFLAGMASK_COLORS 0xF00
// codec uses drawing/rendering callbacks (draw_slice()-like thing, DR method 2)
// [the codec will set this flag if it supports callbacks, and the vo _may_
// clear it in get_image() if draw_slice() not implemented]
#define MP_IMGFLAG_DRAW_CALLBACK 0x1000
// set if it's in video buffer/memory: [set by vo/vf's get_image() !!!]
#define MP_IMGFLAG_DIRECT 0x2000
// set if buffer is allocated (used in destination images):
#define MP_IMGFLAG_ALLOCATED 0x4000
// buffer type was printed (do NOT set this flag - it's for INTERNAL USE!!!)
#define MP_IMGFLAG_TYPE_DISPLAYED 0x8000
// codec doesn't support any form of direct rendering - it has own buffer
// allocation. so we just export its buffer pointers:
#define MP_IMGTYPE_EXPORT 0
// codec requires a static WO buffer, but it does only partial updates later:
#define MP_IMGTYPE_STATIC 1
// codec just needs some WO memory, where it writes/copies the whole frame to:
#define MP_IMGTYPE_TEMP 2
// I+P type, requires 2+ independent static R/W buffers
#define MP_IMGTYPE_IP 3
// I+P+B type, requires 2+ independent static R/W and 1+ temp WO buffers
#define MP_IMGTYPE_IPB 4
#define MP_MAX_PLANES 4
#define MP_IMGFIELD_ORDERED 0x01
#define MP_IMGFIELD_TOP_FIRST 0x02
#define MP_IMGFIELD_REPEAT_FIRST 0x04
#define MP_IMGFIELD_TOP 0x08
#define MP_IMGFIELD_BOTTOM 0x10
#define MP_IMGFIELD_INTERLACED 0x20
typedef struct mp_image_s {
unsigned short flags;
unsigned char type;
unsigned char bpp; // bits/pixel. NOT depth! for RGB it will be n*8
unsigned int imgfmt;
int width,height; // stored dimensions
int x,y,w,h; // visible dimensions
unsigned char* planes[MP_MAX_PLANES];
int stride[MP_MAX_PLANES];
char * qscale;
int qstride;
int pict_type; // 0->unknown, 1->I, 2->P, 3->B
int fields;
int qscale_type; // 0->mpeg1/4/h263, 1->mpeg2
int num_planes;
/* these are only used by planar formats Y,U(Cb),V(Cr) */
int chroma_width;
int chroma_height;
int chroma_x_shift; // horizontal
int chroma_y_shift; // vertical
/* for private use by filter or vo driver (to store buffer id or dmpi) */
void* priv;
} mp_image_t;
#ifdef IMGFMT_YUY2
static inline 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;
if(out_fmt == IMGFMT_MPEGPES){
mpi->bpp=0;
return;
}
if(out_fmt == IMGFMT_ZRMJPEGNI ||
out_fmt == IMGFMT_ZRMJPEGIT ||
out_fmt == IMGFMT_ZRMJPEGIB){
mpi->bpp=0;
return;
}
if(IMGFMT_IS_XVMC(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;
switch(out_fmt){
case IMGFMT_I420:
case IMGFMT_IYUV:
mpi->flags|=MP_IMGFLAG_SWAPPED;
case IMGFMT_YV12:
mpi->flags|=MP_IMGFLAG_PLANAR;
mpi->bpp=12;
mpi->chroma_width=(mpi->width>>1);
mpi->chroma_height=(mpi->height>>1);
mpi->chroma_x_shift=1;
mpi->chroma_y_shift=1;
return;
case IMGFMT_IF09:
mpi->num_planes=4;
case IMGFMT_YVU9:
mpi->flags|=MP_IMGFLAG_PLANAR;
mpi->bpp=9;
mpi->chroma_width=(mpi->width>>2);
mpi->chroma_height=(mpi->height>>2);
mpi->chroma_x_shift=2;
mpi->chroma_y_shift=2;
return;
case IMGFMT_444P:
mpi->flags|=MP_IMGFLAG_PLANAR;
mpi->bpp=24;
mpi->chroma_width=(mpi->width);
mpi->chroma_height=(mpi->height);
mpi->chroma_x_shift=0;
mpi->chroma_y_shift=0;
return;
case IMGFMT_422P:
mpi->flags|=MP_IMGFLAG_PLANAR;
mpi->bpp=16;
mpi->chroma_width=(mpi->width>>1);
mpi->chroma_height=(mpi->height);
mpi->chroma_x_shift=1;
mpi->chroma_y_shift=0;
return;
case IMGFMT_411P:
mpi->flags|=MP_IMGFLAG_PLANAR;
mpi->bpp=12;
mpi->chroma_width=(mpi->width>>2);
mpi->chroma_height=(mpi->height);
mpi->chroma_x_shift=2;
mpi->chroma_y_shift=0;
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->bpp=8;
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;
}
fprintf(stderr,"mp_image: unknown out_fmt: 0x%X\n",out_fmt);
mpi->bpp=0;
}
#endif
static inline mp_image_t* new_mp_image(int w,int h){
mp_image_t* mpi=(mp_image_t*)malloc(sizeof(mp_image_t));
if(!mpi) return NULL; // error!
memset(mpi,0,sizeof(mp_image_t));
mpi->width=mpi->w=w;
mpi->height=mpi->h=h;
return mpi;
}
static inline void free_mp_image(mp_image_t* mpi){
if(!mpi) return;
if(mpi->flags&MP_IMGFLAG_ALLOCATED){
/* becouse we allocate the whole image in once */
if(mpi->planes[0]) free(mpi->planes[0]);
}
free(mpi);
}
mp_image_t* alloc_mpi(int w, int h, unsigned long int fmt);
void copy_mpi(mp_image_t *dmpi, mp_image_t *mpi);
#endif /* MP_IMAGE_H */
|
