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
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
|
/*
* Copyright (C) 2001-2004 Michael H. Schimek
* Copyright (C) 2000-2003 Iaki Garca Etxebarria
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: pixel_format.h,v 1.11 2006/05/17 18:03:16 mschimek Exp $ */
#ifndef __ZTV_PIXEL_FORMAT_H__
#define __ZTV_PIXEL_FORMAT_H__
#include <inttypes.h> /* uint8_t, uint64_t */
#include "macros.h"
TV_BEGIN_DECLS
typedef enum {
TV_PIXFMT_NONE,
TV_PIXFMT_UNKNOWN = TV_PIXFMT_NONE,
/* Planar YUV formats */
TV_PIXFMT_NV12, /* 4x4 1x1+1x1 */
TV_PIXFMT_YUV444, /* 4x4 4x4 4x4 */
TV_PIXFMT_YVU444,
TV_PIXFMT_YUV422, /* 4x4 2x4 2x4 */
TV_PIXFMT_YVU422,
TV_PIXFMT_YUV411, /* 4x4 1x4 1x4 */
TV_PIXFMT_YVU411,
TV_PIXFMT_YUV420, /* 4x4 2x2 2x2 */
TV_PIXFMT_YVU420,
TV_PIXFMT_YUV410, /* 4x4 1x1 1x1 */
TV_PIXFMT_YVU410,
/* Packed YUV formats */ /* in register msb ... lsb */
TV_PIXFMT_YUVA32_LE, /* aaaaaaaavvvvvvvvuuuuuuuuyyyyyyyy */
TV_PIXFMT_YUVA32_BE,
TV_PIXFMT_YVUA32_LE, /* aaaaaaaauuuuuuuuvvvvvvvvyyyyyyyy */
TV_PIXFMT_YVUA32_BE,
TV_PIXFMT_AVUY32_BE = TV_PIXFMT_YUVA32_LE,
TV_PIXFMT_AVUY32_LE, /* yyyyyyyyuuuuuuuuvvvvvvvvaaaaaaaa */
TV_PIXFMT_AUVY32_BE,
TV_PIXFMT_AUVY32_LE, /* yyyyyyyyvvvvvvvvuuuuuuuuaaaaaaaa */
TV_PIXFMT_YUV24_LE, /* vvvvvvvvuuuuuuuuyyyyyyyy */
TV_PIXFMT_YUV24_BE,
TV_PIXFMT_YVU24_LE, /* uuuuuuuuvvvvvvvvyyyyyyyy */
TV_PIXFMT_YVU24_BE,
TV_PIXFMT_VUY24_BE = TV_PIXFMT_YUV24_LE,
TV_PIXFMT_VUY24_LE, /* yyyyyyyyuuuuuuuuvvvvvvvv */
TV_PIXFMT_UVY24_BE,
TV_PIXFMT_UVY24_LE, /* yyyyyyyyvvvvvvvvuuuuuuuu */
TV_PIXFMT_YUYV, /* Y0 U Y1 V in memory byte 0 ... 3 */
TV_PIXFMT_UYVY, /* U Y0 V Y1 */
TV_PIXFMT_YVYU, /* Y0 V Y1 U */
TV_PIXFMT_VYUY, /* V Y0 U Y1 */
TV_PIXFMT_RESERVED1,
TV_PIXFMT_Y8, /* yyyyyyyy */
TV_PIXFMT_HM12, /* IVTV driver YUV format */
TV_PIXFMT_RESERVED3,
/* Packed RGB formats */
TV_PIXFMT_RGBA32_LE, /* aaaaaaaabbbbbbbbggggggggrrrrrrrr */
TV_PIXFMT_RGBA32_BE,
TV_PIXFMT_BGRA32_LE, /* aaaaaaaarrrrrrrrggggggggbbbbbbbb */
TV_PIXFMT_BGRA32_BE,
TV_PIXFMT_ABGR32_BE = TV_PIXFMT_RGBA32_LE,
TV_PIXFMT_ABGR32_LE, /* rrrrrrrrggggggggbbbbbbbbaaaaaaaa */
TV_PIXFMT_ARGB32_BE,
TV_PIXFMT_ARGB32_LE, /* bbbbbbbbggggggggrrrrrrrraaaaaaaa */
TV_PIXFMT_RGB24_LE, /* bbbbbbbbggggggggrrrrrrrr */
TV_PIXFMT_BGR24_LE, /* rrrrrrrrggggggggbbbbbbbb */
TV_PIXFMT_BGR24_BE = TV_PIXFMT_RGB24_LE,
TV_PIXFMT_RGB24_BE,
TV_PIXFMT_RGB16_LE, /* bbbbbggggggrrrrr */
TV_PIXFMT_RGB16_BE,
TV_PIXFMT_BGR16_LE, /* rrrrrggggggbbbbb */
TV_PIXFMT_BGR16_BE,
TV_PIXFMT_RGBA16_LE, /* abbbbbgggggrrrrr */
TV_PIXFMT_RGBA16_BE,
TV_PIXFMT_BGRA16_LE, /* arrrrrgggggbbbbb */
TV_PIXFMT_BGRA16_BE,
TV_PIXFMT_ARGB16_LE, /* bbbbbgggggrrrrra */
TV_PIXFMT_ARGB16_BE,
TV_PIXFMT_ABGR16_LE, /* rrrrrgggggbbbbba */
TV_PIXFMT_ABGR16_BE,
TV_PIXFMT_RGBA12_LE, /* aaaabbbbggggrrrr */
TV_PIXFMT_RGBA12_BE,
TV_PIXFMT_BGRA12_LE, /* aaaarrrrggggbbbb */
TV_PIXFMT_BGRA12_BE,
TV_PIXFMT_ARGB12_LE, /* bbbbggggrrrraaaa */
TV_PIXFMT_ARGB12_BE,
TV_PIXFMT_ABGR12_LE, /* rrrrggggbbbbaaaa */
TV_PIXFMT_ABGR12_BE,
TV_PIXFMT_RGB8, /* bbgggrrr */
TV_PIXFMT_BGR8, /* rrrgggbb */
TV_PIXFMT_RGBA8, /* abbgggrr */
TV_PIXFMT_BGRA8, /* arrgggbb */
TV_PIXFMT_ARGB8, /* bbgggrra */
TV_PIXFMT_ABGR8, /* rrgggbba */
/* Preliminary */
TV_PIXFMT_SBGGR,
} tv_pixfmt;
#define TV_MAX_PIXFMTS 64
typedef uint64_t tv_pixfmt_set;
#define TV_PIXFMT_SET(pixfmt) (((tv_pixfmt_set) 1) << (pixfmt))
#define TV_PIXFMT_SET_UNKNOWN 0
#define TV_PIXFMT_SET_EMPTY 0
#define TV_PIXFMT_SET_YUV_PLANAR (TV_PIXFMT_SET (TV_PIXFMT_YUV444) | \
TV_PIXFMT_SET (TV_PIXFMT_YVU444) | \
TV_PIXFMT_SET (TV_PIXFMT_YUV422) | \
TV_PIXFMT_SET (TV_PIXFMT_YVU422) | \
TV_PIXFMT_SET (TV_PIXFMT_YUV411) | \
TV_PIXFMT_SET (TV_PIXFMT_YVU411) | \
TV_PIXFMT_SET (TV_PIXFMT_YUV420) | \
TV_PIXFMT_SET (TV_PIXFMT_YVU420) | \
TV_PIXFMT_SET (TV_PIXFMT_YUV410) | \
TV_PIXFMT_SET (TV_PIXFMT_YVU410) | \
TV_PIXFMT_SET (TV_PIXFMT_NV12) | \
TV_PIXFMT_SET (TV_PIXFMT_HM12))
#define TV_PIXFMT_SET_YUVA32 (TV_PIXFMT_SET (TV_PIXFMT_YUVA32_LE) | \
TV_PIXFMT_SET (TV_PIXFMT_YUVA32_BE) | \
TV_PIXFMT_SET (TV_PIXFMT_YVUA32_LE) | \
TV_PIXFMT_SET (TV_PIXFMT_YVUA32_BE))
#define TV_PIXFMT_SET_YUV24 (TV_PIXFMT_SET (TV_PIXFMT_YUV24_LE) | \
TV_PIXFMT_SET (TV_PIXFMT_YUV24_BE) | \
TV_PIXFMT_SET (TV_PIXFMT_YVU24_LE) | \
TV_PIXFMT_SET (TV_PIXFMT_YVU24_BE))
#define TV_PIXFMT_SET_YUV16 (TV_PIXFMT_SET (TV_PIXFMT_YUYV) | \
TV_PIXFMT_SET (TV_PIXFMT_YVYU) | \
TV_PIXFMT_SET (TV_PIXFMT_UYVY) | \
TV_PIXFMT_SET (TV_PIXFMT_VYUY))
#define TV_PIXFMT_SET_YUV_PACKED (TV_PIXFMT_SET_YUVA32 | \
TV_PIXFMT_SET_YUV24 | \
TV_PIXFMT_SET_YUV16 | \
TV_PIXFMT_SET (TV_PIXFMT_Y8))
#define TV_PIXFMT_SET_YUV (TV_PIXFMT_SET_YUV_PLANAR | \
TV_PIXFMT_SET_YUV_PACKED)
#define TV_PIXFMT_SET_RGBA32 (TV_PIXFMT_SET (TV_PIXFMT_RGBA32_LE) | \
TV_PIXFMT_SET (TV_PIXFMT_RGBA32_BE) | \
TV_PIXFMT_SET (TV_PIXFMT_BGRA32_LE) | \
TV_PIXFMT_SET (TV_PIXFMT_BGRA32_BE))
#define TV_PIXFMT_SET_RGB24 (TV_PIXFMT_SET (TV_PIXFMT_RGB24_LE) | \
TV_PIXFMT_SET (TV_PIXFMT_BGR24_LE))
#define TV_PIXFMT_SET_RGB16 (TV_PIXFMT_SET (TV_PIXFMT_RGB16_LE) | \
TV_PIXFMT_SET (TV_PIXFMT_RGB16_BE) | \
TV_PIXFMT_SET (TV_PIXFMT_BGR16_LE) | \
TV_PIXFMT_SET (TV_PIXFMT_BGR16_BE))
#define TV_PIXFMT_SET_RGBA16 (TV_PIXFMT_SET (TV_PIXFMT_RGBA16_LE) | \
TV_PIXFMT_SET (TV_PIXFMT_RGBA16_BE) | \
TV_PIXFMT_SET (TV_PIXFMT_BGRA16_LE) | \
TV_PIXFMT_SET (TV_PIXFMT_BGRA16_BE) | \
TV_PIXFMT_SET (TV_PIXFMT_ARGB16_LE) | \
TV_PIXFMT_SET (TV_PIXFMT_ARGB16_BE) | \
TV_PIXFMT_SET (TV_PIXFMT_ABGR16_LE) | \
TV_PIXFMT_SET (TV_PIXFMT_ABGR16_BE))
#define TV_PIXFMT_SET_RGBA12 (TV_PIXFMT_SET (TV_PIXFMT_RGBA12_LE) | \
TV_PIXFMT_SET (TV_PIXFMT_RGBA12_BE) | \
TV_PIXFMT_SET (TV_PIXFMT_BGRA12_LE) | \
TV_PIXFMT_SET (TV_PIXFMT_BGRA12_BE) | \
TV_PIXFMT_SET (TV_PIXFMT_ARGB12_LE) | \
TV_PIXFMT_SET (TV_PIXFMT_ARGB12_BE) | \
TV_PIXFMT_SET (TV_PIXFMT_ABGR12_LE) | \
TV_PIXFMT_SET (TV_PIXFMT_ABGR12_BE))
#define TV_PIXFMT_SET_RGB8 (TV_PIXFMT_SET (TV_PIXFMT_RGB8) | \
TV_PIXFMT_SET (TV_PIXFMT_BGR8))
#define TV_PIXFMT_SET_RGBA8 (TV_PIXFMT_SET (TV_PIXFMT_RGBA8) | \
TV_PIXFMT_SET (TV_PIXFMT_BGRA8) | \
TV_PIXFMT_SET (TV_PIXFMT_ARGB8) | \
TV_PIXFMT_SET (TV_PIXFMT_ABGR8))
#define TV_PIXFMT_SET_RGB_PACKED (TV_PIXFMT_SET_RGBA32 | \
TV_PIXFMT_SET_RGB24 | \
TV_PIXFMT_SET_RGB16 | \
TV_PIXFMT_SET_RGBA16 | \
TV_PIXFMT_SET_RGBA12 | \
TV_PIXFMT_SET_RGB8 | \
TV_PIXFMT_SET_RGBA8)
#define TV_PIXFMT_SET_RGB (TV_PIXFMT_SET_RGB_PACKED | \
TV_PIXFMT_SET (TV_PIXFMT_SBGGR))
#define TV_PIXFMT_SET_PLANAR TV_PIXFMT_SET_YUV_PLANAR
#define TV_PIXFMT_SET_PACKED (TV_PIXFMT_SET_YUV_PACKED | \
TV_PIXFMT_SET_RGB_PACKED)
#define TV_PIXFMT_SET_ALL (TV_PIXFMT_SET_YUV | \
TV_PIXFMT_SET_RGB)
#define TV_PIXFMT_IS_YUV(pixfmt) \
(0 != (TV_PIXFMT_SET (pixfmt) & TV_PIXFMT_SET_YUV))
#define TV_PIXFMT_IS_RGB(pixfmt) \
(0 != (TV_PIXFMT_SET (pixfmt) & TV_PIXFMT_SET_RGB))
#define TV_PIXFMT_IS_PLANAR(pixfmt) \
(0 != (TV_PIXFMT_SET (pixfmt) & TV_PIXFMT_SET_PLANAR))
#define TV_PIXFMT_IS_PACKED(pixfmt) \
(0 != (TV_PIXFMT_SET (pixfmt) & TV_PIXFMT_SET_PACKED))
#ifdef __GNUC__
#define TV_PIXFMT_BYTES_PER_PIXEL(pixfmt) \
(!__builtin_constant_p (pixfmt) ? \
tv_pixfmt_bytes_per_pixel (pixfmt) : \
((TV_PIXFMT_SET (pixfmt) & TV_PIXFMT_SET_YUVA32) ? 4 : \
((TV_PIXFMT_SET (pixfmt) & TV_PIXFMT_SET_RGBA32) ? 4 : \
((TV_PIXFMT_SET (pixfmt) & TV_PIXFMT_SET_YUV24) ? 3 : \
((TV_PIXFMT_SET (pixfmt) & TV_PIXFMT_SET_RGB24) ? 3 : \
((TV_PIXFMT_SET (pixfmt) & TV_PIXFMT_SET_YUV16) ? 2 : \
((TV_PIXFMT_SET (pixfmt) & TV_PIXFMT_SET_RGB16) ? 2 : \
((TV_PIXFMT_SET (pixfmt) & TV_PIXFMT_SET_RGBA16) ? 2 : \
((TV_PIXFMT_SET (pixfmt) & TV_PIXFMT_SET_RGBA12) ? 2 : \
((TV_PIXFMT_SBGGR == (pixfmt)) ? 1 : \
1))))))))))
#else
#define TV_PIXFMT_BYTES_PER_PIXEL(pixfmt) \
(tv_pixfmt_bytes_per_pixel (pixfmt))
#endif
/** Color space identifier. No values defined yet. */
typedef enum {
TV_COLSPC_NONE, /**< */
TV_COLSPC_UNKNOWN = TV_COLSPC_NONE, /**< */
/** Unspecified RGB color space. */
TV_COLSPC_RGB,
/** Unspecified YUV (YCbCr) color space. */
TV_COLSPC_YUV,
} tv_colspc;
extern const char *
tv_pixfmt_name (tv_pixfmt pixfmt)
__attribute__ ((const));
extern unsigned int
tv_pixfmt_bytes_per_pixel (tv_pixfmt pixfmt)
__attribute__ ((const));
/* Broken-down pixel format */
typedef struct {
const char * name;
tv_pixfmt pixfmt;
tv_colspc colspc;
/* Number of bits per pixel. For packed YUV 4:2:2 this is 16.
For planar formats this refers to the Y plane only. */
unsigned int bits_per_pixel;
/* Number of red, green and blue, or luma and chroma bits
per pixel. Averaged if U and V plane are smaller than Y plane. */
unsigned int color_depth;
uint8_t hmask;
uint8_t vmask;
/* Width and height of the U and V plane:
uv_width = width >> uv_hshift,
uv_height = height >> uv_vshift. */
uint8_t uv_hshift;
uint8_t uv_vshift;
/* Format is packed and pixels are stored in 16, 24 or 32 bit
(bits_per_pixel) quantities with most significant byte
first in memory. */
tv_bool big_endian;
/* Y, U and V color components are stored in separate arrays,
first Y, then U and V. */
unsigned int n_planes;
/* For packed YUV 4:2:2, V pixel is stored before U pixel
in memory. For planar YUV formats, V plane is stored
before U plane in memory. */
tv_bool vu_order;
tv_bool _reserved2[5];
/* Bit masks describing size and position of color components
in a 8, 16, 24 or 32 bit (bits_per_pixel) quantity, as
seen when reading a word from memory with proper endianess.
For packed YUV 4:2:2 and planar formats y, u and v will be
0xFF. The a (alpha) component can be zero. */
union {
struct {
unsigned int r;
unsigned int g;
unsigned int b;
unsigned int a;
} rgb;
struct {
unsigned int y;
unsigned int u;
unsigned int v;
unsigned int a;
} yuv;
} mask;
} tv_pixel_format;
extern const tv_pixel_format *
tv_pixel_format_from_pixfmt (tv_pixfmt pixfmt)
__attribute__ ((const));
extern tv_pixfmt
tv_pixel_format_to_pixfmt (const tv_pixel_format *format);
TV_END_DECLS
#endif /* __ZTV_PIXEL_FORMAT_H__ */
|
