Commit | Line | Data |
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de6d9b64 FB |
1 | /* |
2 | * Misc image convertion routines | |
524c6b63 | 3 | * Copyright (c) 2001, 2002, 2003 Fabrice Bellard. |
de6d9b64 | 4 | * |
b78e7197 DB |
5 | * This file is part of FFmpeg. |
6 | * | |
7 | * FFmpeg is free software; you can redistribute it and/or | |
ff4ec49e FB |
8 | * modify it under the terms of the GNU Lesser General Public |
9 | * License as published by the Free Software Foundation; either | |
b78e7197 | 10 | * version 2.1 of the License, or (at your option) any later version. |
de6d9b64 | 11 | * |
b78e7197 | 12 | * FFmpeg is distributed in the hope that it will be useful, |
de6d9b64 | 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
ff4ec49e FB |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | * Lesser General Public License for more details. | |
de6d9b64 | 16 | * |
ff4ec49e | 17 | * You should have received a copy of the GNU Lesser General Public |
b78e7197 | 18 | * License along with FFmpeg; if not, write to the Free Software |
5509bffa | 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
de6d9b64 | 20 | */ |
983e3246 MN |
21 | |
22 | /** | |
1ab3d669 | 23 | * @file imgconvert.c |
983e3246 MN |
24 | * Misc image convertion routines. |
25 | */ | |
26 | ||
c50c0bc8 FB |
27 | /* TODO: |
28 | * - write 'ffimg' program to test all the image related stuff | |
29 | * - move all api to slice based system | |
30 | * - integrate deinterlacing, postprocessing and scaling in the conversion process | |
31 | */ | |
983e3246 | 32 | |
de6d9b64 | 33 | #include "avcodec.h" |
85c242d8 | 34 | #include "dsputil.h" |
de6d9b64 | 35 | |
54329dd5 | 36 | #ifdef USE_FASTMEMCPY |
f4bd289a | 37 | #include "libvo/fastmemcpy.h" |
54329dd5 | 38 | #endif |
5981f4e6 F |
39 | |
40 | #ifdef HAVE_MMX | |
41 | #include "i386/mmx.h" | |
42 | #endif | |
524c6b63 | 43 | |
7e7e5940 FB |
44 | #define xglue(x, y) x ## y |
45 | #define glue(x, y) xglue(x, y) | |
46 | ||
b6147995 FB |
47 | #define FF_COLOR_RGB 0 /* RGB color space */ |
48 | #define FF_COLOR_GRAY 1 /* gray color space */ | |
49 | #define FF_COLOR_YUV 2 /* YUV color space. 16 <= Y <= 235, 16 <= U, V <= 240 */ | |
50 | #define FF_COLOR_YUV_JPEG 3 /* YUV color space. 0 <= Y <= 255, 0 <= U, V <= 255 */ | |
51 | ||
7e7e5940 FB |
52 | #define FF_PIXEL_PLANAR 0 /* each channel has one component in AVPicture */ |
53 | #define FF_PIXEL_PACKED 1 /* only one components containing all the channels */ | |
54 | #define FF_PIXEL_PALETTE 2 /* one components containing indexes for a palette */ | |
55 | ||
524c6b63 FB |
56 | typedef struct PixFmtInfo { |
57 | const char *name; | |
7e7e5940 FB |
58 | uint8_t nb_channels; /* number of channels (including alpha) */ |
59 | uint8_t color_type; /* color type (see FF_COLOR_xxx constants) */ | |
60 | uint8_t pixel_type; /* pixel storage type (see FF_PIXEL_xxx constants) */ | |
0c1a9eda | 61 | uint8_t is_alpha : 1; /* true if alpha can be specified */ |
7e7e5940 FB |
62 | uint8_t x_chroma_shift; /* X chroma subsampling factor is 2 ^ shift */ |
63 | uint8_t y_chroma_shift; /* Y chroma subsampling factor is 2 ^ shift */ | |
64 | uint8_t depth; /* bit depth of the color components */ | |
524c6b63 FB |
65 | } PixFmtInfo; |
66 | ||
67 | /* this table gives more information about formats */ | |
62a05b5b | 68 | static const PixFmtInfo pix_fmt_info[PIX_FMT_NB] = { |
524c6b63 FB |
69 | /* YUV formats */ |
70 | [PIX_FMT_YUV420P] = { | |
ef9f7306 | 71 | .name = "yuv420p", |
7e7e5940 | 72 | .nb_channels = 3, |
b6147995 | 73 | .color_type = FF_COLOR_YUV, |
7e7e5940 | 74 | .pixel_type = FF_PIXEL_PLANAR, |
b6147995 | 75 | .depth = 8, |
115329f1 | 76 | .x_chroma_shift = 1, .y_chroma_shift = 1, |
524c6b63 FB |
77 | }, |
78 | [PIX_FMT_YUV422P] = { | |
ef9f7306 | 79 | .name = "yuv422p", |
7e7e5940 | 80 | .nb_channels = 3, |
b6147995 | 81 | .color_type = FF_COLOR_YUV, |
7e7e5940 | 82 | .pixel_type = FF_PIXEL_PLANAR, |
b6147995 | 83 | .depth = 8, |
115329f1 | 84 | .x_chroma_shift = 1, .y_chroma_shift = 0, |
524c6b63 FB |
85 | }, |
86 | [PIX_FMT_YUV444P] = { | |
ef9f7306 | 87 | .name = "yuv444p", |
7e7e5940 | 88 | .nb_channels = 3, |
b6147995 | 89 | .color_type = FF_COLOR_YUV, |
7e7e5940 | 90 | .pixel_type = FF_PIXEL_PLANAR, |
b6147995 | 91 | .depth = 8, |
115329f1 | 92 | .x_chroma_shift = 0, .y_chroma_shift = 0, |
524c6b63 FB |
93 | }, |
94 | [PIX_FMT_YUV422] = { | |
ef9f7306 | 95 | .name = "yuv422", |
7e7e5940 | 96 | .nb_channels = 1, |
b6147995 | 97 | .color_type = FF_COLOR_YUV, |
7e7e5940 | 98 | .pixel_type = FF_PIXEL_PACKED, |
b6147995 | 99 | .depth = 8, |
ef9f7306 | 100 | .x_chroma_shift = 1, .y_chroma_shift = 0, |
524c6b63 | 101 | }, |
ebb177dd TK |
102 | [PIX_FMT_UYVY422] = { |
103 | .name = "uyvy422", | |
104 | .nb_channels = 1, | |
105 | .color_type = FF_COLOR_YUV, | |
106 | .pixel_type = FF_PIXEL_PACKED, | |
107 | .depth = 8, | |
108 | .x_chroma_shift = 1, .y_chroma_shift = 0, | |
109 | }, | |
524c6b63 | 110 | [PIX_FMT_YUV410P] = { |
ef9f7306 | 111 | .name = "yuv410p", |
7e7e5940 | 112 | .nb_channels = 3, |
b6147995 | 113 | .color_type = FF_COLOR_YUV, |
7e7e5940 | 114 | .pixel_type = FF_PIXEL_PLANAR, |
b6147995 | 115 | .depth = 8, |
ef9f7306 | 116 | .x_chroma_shift = 2, .y_chroma_shift = 2, |
524c6b63 FB |
117 | }, |
118 | [PIX_FMT_YUV411P] = { | |
ef9f7306 | 119 | .name = "yuv411p", |
7e7e5940 | 120 | .nb_channels = 3, |
b6147995 | 121 | .color_type = FF_COLOR_YUV, |
7e7e5940 | 122 | .pixel_type = FF_PIXEL_PLANAR, |
b6147995 | 123 | .depth = 8, |
ef9f7306 | 124 | .x_chroma_shift = 2, .y_chroma_shift = 0, |
524c6b63 FB |
125 | }, |
126 | ||
b6147995 FB |
127 | /* JPEG YUV */ |
128 | [PIX_FMT_YUVJ420P] = { | |
129 | .name = "yuvj420p", | |
7e7e5940 | 130 | .nb_channels = 3, |
b6147995 | 131 | .color_type = FF_COLOR_YUV_JPEG, |
7e7e5940 | 132 | .pixel_type = FF_PIXEL_PLANAR, |
b6147995 | 133 | .depth = 8, |
115329f1 | 134 | .x_chroma_shift = 1, .y_chroma_shift = 1, |
b6147995 FB |
135 | }, |
136 | [PIX_FMT_YUVJ422P] = { | |
137 | .name = "yuvj422p", | |
7e7e5940 | 138 | .nb_channels = 3, |
b6147995 | 139 | .color_type = FF_COLOR_YUV_JPEG, |
7e7e5940 | 140 | .pixel_type = FF_PIXEL_PLANAR, |
b6147995 | 141 | .depth = 8, |
115329f1 | 142 | .x_chroma_shift = 1, .y_chroma_shift = 0, |
b6147995 FB |
143 | }, |
144 | [PIX_FMT_YUVJ444P] = { | |
145 | .name = "yuvj444p", | |
7e7e5940 | 146 | .nb_channels = 3, |
b6147995 | 147 | .color_type = FF_COLOR_YUV_JPEG, |
7e7e5940 | 148 | .pixel_type = FF_PIXEL_PLANAR, |
b6147995 | 149 | .depth = 8, |
115329f1 | 150 | .x_chroma_shift = 0, .y_chroma_shift = 0, |
b6147995 FB |
151 | }, |
152 | ||
524c6b63 FB |
153 | /* RGB formats */ |
154 | [PIX_FMT_RGB24] = { | |
ef9f7306 | 155 | .name = "rgb24", |
7e7e5940 | 156 | .nb_channels = 3, |
b6147995 | 157 | .color_type = FF_COLOR_RGB, |
7e7e5940 | 158 | .pixel_type = FF_PIXEL_PACKED, |
b6147995 | 159 | .depth = 8, |
2cbb7820 | 160 | .x_chroma_shift = 0, .y_chroma_shift = 0, |
524c6b63 FB |
161 | }, |
162 | [PIX_FMT_BGR24] = { | |
ef9f7306 | 163 | .name = "bgr24", |
7e7e5940 | 164 | .nb_channels = 3, |
b6147995 | 165 | .color_type = FF_COLOR_RGB, |
7e7e5940 | 166 | .pixel_type = FF_PIXEL_PACKED, |
b6147995 | 167 | .depth = 8, |
2cbb7820 | 168 | .x_chroma_shift = 0, .y_chroma_shift = 0, |
524c6b63 FB |
169 | }, |
170 | [PIX_FMT_RGBA32] = { | |
ef9f7306 | 171 | .name = "rgba32", |
7e7e5940 | 172 | .nb_channels = 4, .is_alpha = 1, |
b6147995 | 173 | .color_type = FF_COLOR_RGB, |
7e7e5940 | 174 | .pixel_type = FF_PIXEL_PACKED, |
b6147995 | 175 | .depth = 8, |
2cbb7820 | 176 | .x_chroma_shift = 0, .y_chroma_shift = 0, |
524c6b63 FB |
177 | }, |
178 | [PIX_FMT_RGB565] = { | |
ef9f7306 | 179 | .name = "rgb565", |
7e7e5940 | 180 | .nb_channels = 3, |
b6147995 | 181 | .color_type = FF_COLOR_RGB, |
7e7e5940 | 182 | .pixel_type = FF_PIXEL_PACKED, |
b6147995 | 183 | .depth = 5, |
2cbb7820 | 184 | .x_chroma_shift = 0, .y_chroma_shift = 0, |
524c6b63 FB |
185 | }, |
186 | [PIX_FMT_RGB555] = { | |
ef9f7306 | 187 | .name = "rgb555", |
7e7e5940 | 188 | .nb_channels = 4, .is_alpha = 1, |
b6147995 | 189 | .color_type = FF_COLOR_RGB, |
7e7e5940 | 190 | .pixel_type = FF_PIXEL_PACKED, |
b6147995 | 191 | .depth = 5, |
2cbb7820 | 192 | .x_chroma_shift = 0, .y_chroma_shift = 0, |
524c6b63 FB |
193 | }, |
194 | ||
195 | /* gray / mono formats */ | |
196 | [PIX_FMT_GRAY8] = { | |
ef9f7306 | 197 | .name = "gray", |
7e7e5940 | 198 | .nb_channels = 1, |
b6147995 | 199 | .color_type = FF_COLOR_GRAY, |
7e7e5940 | 200 | .pixel_type = FF_PIXEL_PLANAR, |
b6147995 | 201 | .depth = 8, |
524c6b63 FB |
202 | }, |
203 | [PIX_FMT_MONOWHITE] = { | |
ef9f7306 | 204 | .name = "monow", |
7e7e5940 | 205 | .nb_channels = 1, |
b6147995 | 206 | .color_type = FF_COLOR_GRAY, |
7e7e5940 | 207 | .pixel_type = FF_PIXEL_PLANAR, |
b6147995 | 208 | .depth = 1, |
524c6b63 FB |
209 | }, |
210 | [PIX_FMT_MONOBLACK] = { | |
ef9f7306 | 211 | .name = "monob", |
7e7e5940 | 212 | .nb_channels = 1, |
b6147995 | 213 | .color_type = FF_COLOR_GRAY, |
7e7e5940 | 214 | .pixel_type = FF_PIXEL_PLANAR, |
b6147995 | 215 | .depth = 1, |
524c6b63 | 216 | }, |
7e6d70d0 FB |
217 | |
218 | /* paletted formats */ | |
219 | [PIX_FMT_PAL8] = { | |
220 | .name = "pal8", | |
7e7e5940 | 221 | .nb_channels = 4, .is_alpha = 1, |
b6147995 | 222 | .color_type = FF_COLOR_RGB, |
7e7e5940 | 223 | .pixel_type = FF_PIXEL_PALETTE, |
b6147995 | 224 | .depth = 8, |
7e6d70d0 | 225 | }, |
eab895aa TK |
226 | [PIX_FMT_XVMC_MPEG2_MC] = { |
227 | .name = "xvmcmc", | |
228 | }, | |
229 | [PIX_FMT_XVMC_MPEG2_IDCT] = { | |
230 | .name = "xvmcidct", | |
231 | }, | |
f02be79d RS |
232 | [PIX_FMT_UYVY411] = { |
233 | .name = "uyvy411", | |
234 | .nb_channels = 1, | |
235 | .color_type = FF_COLOR_YUV, | |
236 | .pixel_type = FF_PIXEL_PACKED, | |
237 | .depth = 8, | |
238 | .x_chroma_shift = 2, .y_chroma_shift = 0, | |
239 | }, | |
00b2fa86 LA |
240 | [PIX_FMT_BGR32] = { |
241 | .name = "bgr32", | |
242 | .nb_channels = 4, .is_alpha = 1, | |
243 | .color_type = FF_COLOR_RGB, | |
244 | .pixel_type = FF_PIXEL_PACKED, | |
245 | .depth = 8, | |
246 | .x_chroma_shift = 0, .y_chroma_shift = 0, | |
247 | }, | |
248 | [PIX_FMT_BGR565] = { | |
249 | .name = "bgr565", | |
250 | .nb_channels = 3, | |
251 | .color_type = FF_COLOR_RGB, | |
252 | .pixel_type = FF_PIXEL_PACKED, | |
253 | .depth = 5, | |
254 | .x_chroma_shift = 0, .y_chroma_shift = 0, | |
255 | }, | |
256 | [PIX_FMT_BGR555] = { | |
257 | .name = "bgr555", | |
258 | .nb_channels = 4, .is_alpha = 1, | |
259 | .color_type = FF_COLOR_RGB, | |
260 | .pixel_type = FF_PIXEL_PACKED, | |
261 | .depth = 5, | |
262 | .x_chroma_shift = 0, .y_chroma_shift = 0, | |
263 | }, | |
264 | [PIX_FMT_RGB8] = { | |
265 | .name = "rgb8", | |
266 | .nb_channels = 1, | |
267 | .color_type = FF_COLOR_RGB, | |
268 | .pixel_type = FF_PIXEL_PACKED, | |
269 | .depth = 8, | |
270 | .x_chroma_shift = 0, .y_chroma_shift = 0, | |
271 | }, | |
272 | [PIX_FMT_RGB4] = { | |
273 | .name = "rgb4", | |
274 | .nb_channels = 1, | |
275 | .color_type = FF_COLOR_RGB, | |
276 | .pixel_type = FF_PIXEL_PACKED, | |
277 | .depth = 4, | |
278 | .x_chroma_shift = 0, .y_chroma_shift = 0, | |
279 | }, | |
280 | [PIX_FMT_RGB4_BYTE] = { | |
281 | .name = "rgb4_byte", | |
282 | .nb_channels = 1, | |
283 | .color_type = FF_COLOR_RGB, | |
284 | .pixel_type = FF_PIXEL_PACKED, | |
285 | .depth = 8, | |
286 | .x_chroma_shift = 0, .y_chroma_shift = 0, | |
287 | }, | |
288 | [PIX_FMT_BGR8] = { | |
289 | .name = "bgr8", | |
290 | .nb_channels = 1, | |
291 | .color_type = FF_COLOR_RGB, | |
292 | .pixel_type = FF_PIXEL_PACKED, | |
293 | .depth = 8, | |
294 | .x_chroma_shift = 0, .y_chroma_shift = 0, | |
295 | }, | |
296 | [PIX_FMT_BGR4] = { | |
297 | .name = "bgr4", | |
298 | .nb_channels = 1, | |
299 | .color_type = FF_COLOR_RGB, | |
300 | .pixel_type = FF_PIXEL_PACKED, | |
301 | .depth = 4, | |
302 | .x_chroma_shift = 0, .y_chroma_shift = 0, | |
303 | }, | |
304 | [PIX_FMT_BGR4_BYTE] = { | |
305 | .name = "bgr4_byte", | |
306 | .nb_channels = 1, | |
307 | .color_type = FF_COLOR_RGB, | |
308 | .pixel_type = FF_PIXEL_PACKED, | |
309 | .depth = 8, | |
310 | .x_chroma_shift = 0, .y_chroma_shift = 0, | |
311 | }, | |
312 | [PIX_FMT_NV12] = { | |
313 | .name = "nv12", | |
314 | .nb_channels = 2, | |
315 | .color_type = FF_COLOR_YUV, | |
316 | .pixel_type = FF_PIXEL_PLANAR, | |
317 | .depth = 8, | |
318 | .x_chroma_shift = 1, .y_chroma_shift = 1, | |
319 | }, | |
320 | [PIX_FMT_NV21] = { | |
321 | .name = "nv12", | |
322 | .nb_channels = 2, | |
323 | .color_type = FF_COLOR_YUV, | |
324 | .pixel_type = FF_PIXEL_PLANAR, | |
325 | .depth = 8, | |
326 | .x_chroma_shift = 1, .y_chroma_shift = 1, | |
327 | }, | |
328 | ||
329 | [PIX_FMT_BGR32_1] = { | |
330 | .name = "bgr32_1", | |
331 | .nb_channels = 4, .is_alpha = 1, | |
332 | .color_type = FF_COLOR_RGB, | |
333 | .pixel_type = FF_PIXEL_PACKED, | |
334 | .depth = 8, | |
335 | .x_chroma_shift = 0, .y_chroma_shift = 0, | |
336 | }, | |
337 | [PIX_FMT_RGB32_1] = { | |
338 | .name = "rgb32_1", | |
339 | .nb_channels = 4, .is_alpha = 1, | |
340 | .color_type = FF_COLOR_RGB, | |
341 | .pixel_type = FF_PIXEL_PACKED, | |
342 | .depth = 8, | |
343 | .x_chroma_shift = 0, .y_chroma_shift = 0, | |
344 | }, | |
524c6b63 FB |
345 | }; |
346 | ||
347 | void avcodec_get_chroma_sub_sample(int pix_fmt, int *h_shift, int *v_shift) | |
348 | { | |
b6147995 FB |
349 | *h_shift = pix_fmt_info[pix_fmt].x_chroma_shift; |
350 | *v_shift = pix_fmt_info[pix_fmt].y_chroma_shift; | |
524c6b63 FB |
351 | } |
352 | ||
353 | const char *avcodec_get_pix_fmt_name(int pix_fmt) | |
354 | { | |
355 | if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB) | |
356 | return "???"; | |
357 | else | |
358 | return pix_fmt_info[pix_fmt].name; | |
359 | } | |
360 | ||
63167088 RS |
361 | enum PixelFormat avcodec_get_pix_fmt(const char* name) |
362 | { | |
115329f1 DB |
363 | int i; |
364 | ||
63167088 RS |
365 | for (i=0; i < PIX_FMT_NB; i++) |
366 | if (!strcmp(pix_fmt_info[i].name, name)) | |
bb270c08 | 367 | break; |
63167088 RS |
368 | return i; |
369 | } | |
370 | ||
2a877875 | 371 | /* Picture field are filled with 'ptr' addresses. Also return size */ |
0c1a9eda | 372 | int avpicture_fill(AVPicture *picture, uint8_t *ptr, |
bb270c08 | 373 | int pix_fmt, int width, int height) |
2a877875 | 374 | { |
4c7e8619 | 375 | int size, w2, h2, size2; |
62a05b5b | 376 | const PixFmtInfo *pinfo; |
115329f1 | 377 | |
0ecca7a4 MN |
378 | if(avcodec_check_dimensions(NULL, width, height)) |
379 | goto fail; | |
380 | ||
4c7e8619 | 381 | pinfo = &pix_fmt_info[pix_fmt]; |
2a877875 FB |
382 | size = width * height; |
383 | switch(pix_fmt) { | |
384 | case PIX_FMT_YUV420P: | |
4c7e8619 FB |
385 | case PIX_FMT_YUV422P: |
386 | case PIX_FMT_YUV444P: | |
387 | case PIX_FMT_YUV410P: | |
388 | case PIX_FMT_YUV411P: | |
c50c0bc8 FB |
389 | case PIX_FMT_YUVJ420P: |
390 | case PIX_FMT_YUVJ422P: | |
391 | case PIX_FMT_YUVJ444P: | |
4c7e8619 FB |
392 | w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift; |
393 | h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift; | |
394 | size2 = w2 * h2; | |
2a877875 FB |
395 | picture->data[0] = ptr; |
396 | picture->data[1] = picture->data[0] + size; | |
4c7e8619 | 397 | picture->data[2] = picture->data[1] + size2; |
2a877875 | 398 | picture->linesize[0] = width; |
4c7e8619 FB |
399 | picture->linesize[1] = w2; |
400 | picture->linesize[2] = w2; | |
401 | return size + 2 * size2; | |
00b2fa86 LA |
402 | case PIX_FMT_NV12: |
403 | case PIX_FMT_NV21: | |
404 | w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift; | |
405 | h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift; | |
406 | size2 = w2 * h2 * 2; | |
407 | picture->data[0] = ptr; | |
408 | picture->data[1] = picture->data[0] + size; | |
409 | picture->data[2] = NULL; | |
410 | picture->linesize[0] = width; | |
411 | picture->linesize[1] = w2; | |
412 | picture->linesize[2] = 0; | |
413 | return size + 2 * size2; | |
2a877875 FB |
414 | case PIX_FMT_RGB24: |
415 | case PIX_FMT_BGR24: | |
416 | picture->data[0] = ptr; | |
417 | picture->data[1] = NULL; | |
418 | picture->data[2] = NULL; | |
419 | picture->linesize[0] = width * 3; | |
420 | return size * 3; | |
2a877875 | 421 | case PIX_FMT_RGBA32: |
00b2fa86 LA |
422 | case PIX_FMT_BGR32: |
423 | case PIX_FMT_RGB32_1: | |
424 | case PIX_FMT_BGR32_1: | |
2a877875 FB |
425 | picture->data[0] = ptr; |
426 | picture->data[1] = NULL; | |
427 | picture->data[2] = NULL; | |
428 | picture->linesize[0] = width * 4; | |
429 | return size * 4; | |
00b2fa86 LA |
430 | case PIX_FMT_BGR555: |
431 | case PIX_FMT_BGR565: | |
2a877875 FB |
432 | case PIX_FMT_RGB555: |
433 | case PIX_FMT_RGB565: | |
434 | case PIX_FMT_YUV422: | |
435 | picture->data[0] = ptr; | |
436 | picture->data[1] = NULL; | |
437 | picture->data[2] = NULL; | |
438 | picture->linesize[0] = width * 2; | |
439 | return size * 2; | |
ebb177dd TK |
440 | case PIX_FMT_UYVY422: |
441 | picture->data[0] = ptr; | |
442 | picture->data[1] = NULL; | |
443 | picture->data[2] = NULL; | |
444 | picture->linesize[0] = width * 2; | |
445 | return size * 2; | |
f02be79d RS |
446 | case PIX_FMT_UYVY411: |
447 | picture->data[0] = ptr; | |
448 | picture->data[1] = NULL; | |
449 | picture->data[2] = NULL; | |
450 | picture->linesize[0] = width + width/2; | |
451 | return size + size/2; | |
00b2fa86 LA |
452 | case PIX_FMT_RGB8: |
453 | case PIX_FMT_BGR8: | |
454 | case PIX_FMT_RGB4_BYTE: | |
455 | case PIX_FMT_BGR4_BYTE: | |
2a877875 FB |
456 | case PIX_FMT_GRAY8: |
457 | picture->data[0] = ptr; | |
458 | picture->data[1] = NULL; | |
459 | picture->data[2] = NULL; | |
460 | picture->linesize[0] = width; | |
461 | return size; | |
00b2fa86 LA |
462 | case PIX_FMT_RGB4: |
463 | case PIX_FMT_BGR4: | |
464 | picture->data[0] = ptr; | |
465 | picture->data[1] = NULL; | |
466 | picture->data[2] = NULL; | |
467 | picture->linesize[0] = width / 2; | |
468 | return size / 2; | |
2a877875 FB |
469 | case PIX_FMT_MONOWHITE: |
470 | case PIX_FMT_MONOBLACK: | |
471 | picture->data[0] = ptr; | |
472 | picture->data[1] = NULL; | |
473 | picture->data[2] = NULL; | |
474 | picture->linesize[0] = (width + 7) >> 3; | |
475 | return picture->linesize[0] * height; | |
7e6d70d0 FB |
476 | case PIX_FMT_PAL8: |
477 | size2 = (size + 3) & ~3; | |
478 | picture->data[0] = ptr; | |
479 | picture->data[1] = ptr + size2; /* palette is stored here as 256 32 bit words */ | |
480 | picture->data[2] = NULL; | |
481 | picture->linesize[0] = width; | |
482 | picture->linesize[1] = 4; | |
483 | return size2 + 256 * 4; | |
2a877875 | 484 | default: |
0ecca7a4 | 485 | fail: |
2a877875 FB |
486 | picture->data[0] = NULL; |
487 | picture->data[1] = NULL; | |
488 | picture->data[2] = NULL; | |
7e6d70d0 | 489 | picture->data[3] = NULL; |
2a877875 FB |
490 | return -1; |
491 | } | |
492 | } | |
493 | ||
da64ecc3 | 494 | int avpicture_layout(const AVPicture* src, int pix_fmt, int width, int height, |
63167088 RS |
495 | unsigned char *dest, int dest_size) |
496 | { | |
62a05b5b | 497 | const PixFmtInfo* pf = &pix_fmt_info[pix_fmt]; |
63167088 | 498 | int i, j, w, h, data_planes; |
115329f1 | 499 | const unsigned char* s; |
63167088 RS |
500 | int size = avpicture_get_size(pix_fmt, width, height); |
501 | ||
0ecca7a4 | 502 | if (size > dest_size || size < 0) |
63167088 RS |
503 | return -1; |
504 | ||
affd55a1 | 505 | if (pf->pixel_type == FF_PIXEL_PACKED || pf->pixel_type == FF_PIXEL_PALETTE) { |
115329f1 DB |
506 | if (pix_fmt == PIX_FMT_YUV422 || |
507 | pix_fmt == PIX_FMT_UYVY422 || | |
00b2fa86 LA |
508 | pix_fmt == PIX_FMT_BGR565 || |
509 | pix_fmt == PIX_FMT_BGR565 || | |
ebb177dd TK |
510 | pix_fmt == PIX_FMT_RGB565 || |
511 | pix_fmt == PIX_FMT_RGB555) | |
512 | w = width * 2; | |
bb270c08 DB |
513 | else if (pix_fmt == PIX_FMT_UYVY411) |
514 | w = width + width/2; | |
515 | else if (pix_fmt == PIX_FMT_PAL8) | |
516 | w = width; | |
517 | else | |
518 | w = width * (pf->depth * pf->nb_channels / 8); | |
519 | ||
520 | data_planes = 1; | |
521 | h = height; | |
63167088 RS |
522 | } else { |
523 | data_planes = pf->nb_channels; | |
bb270c08 DB |
524 | w = (width*pf->depth + 7)/8; |
525 | h = height; | |
63167088 | 526 | } |
115329f1 | 527 | |
63167088 RS |
528 | for (i=0; i<data_planes; i++) { |
529 | if (i == 1) { | |
bb270c08 DB |
530 | w = width >> pf->x_chroma_shift; |
531 | h = height >> pf->y_chroma_shift; | |
532 | } | |
63167088 | 533 | s = src->data[i]; |
bb270c08 DB |
534 | for(j=0; j<h; j++) { |
535 | memcpy(dest, s, w); | |
536 | dest += w; | |
537 | s += src->linesize[i]; | |
538 | } | |
63167088 | 539 | } |
115329f1 | 540 | |
affd55a1 | 541 | if (pf->pixel_type == FF_PIXEL_PALETTE) |
bb270c08 | 542 | memcpy((unsigned char *)(((size_t)dest + 3) & ~3), src->data[1], 256 * 4); |
115329f1 | 543 | |
63167088 RS |
544 | return size; |
545 | } | |
546 | ||
2a877875 FB |
547 | int avpicture_get_size(int pix_fmt, int width, int height) |
548 | { | |
549 | AVPicture dummy_pict; | |
550 | return avpicture_fill(&dummy_pict, NULL, pix_fmt, width, height); | |
551 | } | |
552 | ||
b6147995 | 553 | /** |
115329f1 | 554 | * compute the loss when converting from a pixel format to another |
b6147995 FB |
555 | */ |
556 | int avcodec_get_pix_fmt_loss(int dst_pix_fmt, int src_pix_fmt, | |
557 | int has_alpha) | |
558 | { | |
559 | const PixFmtInfo *pf, *ps; | |
560 | int loss; | |
561 | ||
562 | ps = &pix_fmt_info[src_pix_fmt]; | |
563 | pf = &pix_fmt_info[dst_pix_fmt]; | |
564 | ||
565 | /* compute loss */ | |
566 | loss = 0; | |
567 | pf = &pix_fmt_info[dst_pix_fmt]; | |
0a9ad8d1 FB |
568 | if (pf->depth < ps->depth || |
569 | (dst_pix_fmt == PIX_FMT_RGB555 && src_pix_fmt == PIX_FMT_RGB565)) | |
b6147995 | 570 | loss |= FF_LOSS_DEPTH; |
0a9ad8d1 FB |
571 | if (pf->x_chroma_shift > ps->x_chroma_shift || |
572 | pf->y_chroma_shift > ps->y_chroma_shift) | |
b6147995 FB |
573 | loss |= FF_LOSS_RESOLUTION; |
574 | switch(pf->color_type) { | |
575 | case FF_COLOR_RGB: | |
576 | if (ps->color_type != FF_COLOR_RGB && | |
577 | ps->color_type != FF_COLOR_GRAY) | |
578 | loss |= FF_LOSS_COLORSPACE; | |
579 | break; | |
580 | case FF_COLOR_GRAY: | |
581 | if (ps->color_type != FF_COLOR_GRAY) | |
582 | loss |= FF_LOSS_COLORSPACE; | |
583 | break; | |
584 | case FF_COLOR_YUV: | |
585 | if (ps->color_type != FF_COLOR_YUV) | |
586 | loss |= FF_LOSS_COLORSPACE; | |
587 | break; | |
588 | case FF_COLOR_YUV_JPEG: | |
589 | if (ps->color_type != FF_COLOR_YUV_JPEG && | |
115329f1 | 590 | ps->color_type != FF_COLOR_YUV && |
0a9ad8d1 | 591 | ps->color_type != FF_COLOR_GRAY) |
b6147995 FB |
592 | loss |= FF_LOSS_COLORSPACE; |
593 | break; | |
594 | default: | |
595 | /* fail safe test */ | |
596 | if (ps->color_type != pf->color_type) | |
597 | loss |= FF_LOSS_COLORSPACE; | |
598 | break; | |
599 | } | |
600 | if (pf->color_type == FF_COLOR_GRAY && | |
601 | ps->color_type != FF_COLOR_GRAY) | |
602 | loss |= FF_LOSS_CHROMA; | |
603 | if (!pf->is_alpha && (ps->is_alpha && has_alpha)) | |
604 | loss |= FF_LOSS_ALPHA; | |
115329f1 | 605 | if (pf->pixel_type == FF_PIXEL_PALETTE && |
7e7e5940 | 606 | (ps->pixel_type != FF_PIXEL_PALETTE && ps->color_type != FF_COLOR_GRAY)) |
b6147995 FB |
607 | loss |= FF_LOSS_COLORQUANT; |
608 | return loss; | |
609 | } | |
610 | ||
611 | static int avg_bits_per_pixel(int pix_fmt) | |
612 | { | |
613 | int bits; | |
614 | const PixFmtInfo *pf; | |
615 | ||
616 | pf = &pix_fmt_info[pix_fmt]; | |
7e7e5940 FB |
617 | switch(pf->pixel_type) { |
618 | case FF_PIXEL_PACKED: | |
b6147995 | 619 | switch(pix_fmt) { |
7e7e5940 | 620 | case PIX_FMT_YUV422: |
ebb177dd | 621 | case PIX_FMT_UYVY422: |
b6147995 FB |
622 | case PIX_FMT_RGB565: |
623 | case PIX_FMT_RGB555: | |
00b2fa86 LA |
624 | case PIX_FMT_BGR565: |
625 | case PIX_FMT_BGR555: | |
b6147995 | 626 | bits = 16; |
b6147995 | 627 | break; |
bb270c08 DB |
628 | case PIX_FMT_UYVY411: |
629 | bits = 12; | |
630 | break; | |
b6147995 | 631 | default: |
7e7e5940 | 632 | bits = pf->depth * pf->nb_channels; |
b6147995 FB |
633 | break; |
634 | } | |
7e7e5940 FB |
635 | break; |
636 | case FF_PIXEL_PLANAR: | |
637 | if (pf->x_chroma_shift == 0 && pf->y_chroma_shift == 0) { | |
638 | bits = pf->depth * pf->nb_channels; | |
639 | } else { | |
115329f1 | 640 | bits = pf->depth + ((2 * pf->depth) >> |
7e7e5940 FB |
641 | (pf->x_chroma_shift + pf->y_chroma_shift)); |
642 | } | |
643 | break; | |
644 | case FF_PIXEL_PALETTE: | |
645 | bits = 8; | |
646 | break; | |
647 | default: | |
648 | bits = -1; | |
649 | break; | |
b6147995 FB |
650 | } |
651 | return bits; | |
652 | } | |
653 | ||
115329f1 | 654 | static int avcodec_find_best_pix_fmt1(int pix_fmt_mask, |
b6147995 FB |
655 | int src_pix_fmt, |
656 | int has_alpha, | |
657 | int loss_mask) | |
658 | { | |
659 | int dist, i, loss, min_dist, dst_pix_fmt; | |
660 | ||
661 | /* find exact color match with smallest size */ | |
662 | dst_pix_fmt = -1; | |
663 | min_dist = 0x7fffffff; | |
664 | for(i = 0;i < PIX_FMT_NB; i++) { | |
665 | if (pix_fmt_mask & (1 << i)) { | |
666 | loss = avcodec_get_pix_fmt_loss(i, src_pix_fmt, has_alpha) & loss_mask; | |
667 | if (loss == 0) { | |
668 | dist = avg_bits_per_pixel(i); | |
669 | if (dist < min_dist) { | |
670 | min_dist = dist; | |
671 | dst_pix_fmt = i; | |
672 | } | |
673 | } | |
674 | } | |
675 | } | |
676 | return dst_pix_fmt; | |
677 | } | |
678 | ||
115329f1 DB |
679 | /** |
680 | * find best pixel format to convert to. Return -1 if none found | |
b6147995 FB |
681 | */ |
682 | int avcodec_find_best_pix_fmt(int pix_fmt_mask, int src_pix_fmt, | |
683 | int has_alpha, int *loss_ptr) | |
684 | { | |
685 | int dst_pix_fmt, loss_mask, i; | |
686 | static const int loss_mask_order[] = { | |
687 | ~0, /* no loss first */ | |
688 | ~FF_LOSS_ALPHA, | |
689 | ~FF_LOSS_RESOLUTION, | |
690 | ~(FF_LOSS_COLORSPACE | FF_LOSS_RESOLUTION), | |
691 | ~FF_LOSS_COLORQUANT, | |
692 | ~FF_LOSS_DEPTH, | |
693 | 0, | |
694 | }; | |
695 | ||
696 | /* try with successive loss */ | |
697 | i = 0; | |
698 | for(;;) { | |
699 | loss_mask = loss_mask_order[i++]; | |
115329f1 | 700 | dst_pix_fmt = avcodec_find_best_pix_fmt1(pix_fmt_mask, src_pix_fmt, |
b6147995 FB |
701 | has_alpha, loss_mask); |
702 | if (dst_pix_fmt >= 0) | |
703 | goto found; | |
704 | if (loss_mask == 0) | |
705 | break; | |
706 | } | |
707 | return -1; | |
708 | found: | |
709 | if (loss_ptr) | |
710 | *loss_ptr = avcodec_get_pix_fmt_loss(dst_pix_fmt, src_pix_fmt, has_alpha); | |
711 | return dst_pix_fmt; | |
712 | } | |
713 | ||
54009d42 | 714 | void ff_img_copy_plane(uint8_t *dst, int dst_wrap, |
e352ff08 FB |
715 | const uint8_t *src, int src_wrap, |
716 | int width, int height) | |
7e7e5940 | 717 | { |
115329f1 | 718 | if((!dst) || (!src)) |
5b2ad9f5 | 719 | return; |
7e7e5940 FB |
720 | for(;height > 0; height--) { |
721 | memcpy(dst, src, width); | |
722 | dst += dst_wrap; | |
723 | src += src_wrap; | |
724 | } | |
725 | } | |
726 | ||
0469baf1 FB |
727 | /** |
728 | * Copy image 'src' to 'dst'. | |
729 | */ | |
da64ecc3 | 730 | void img_copy(AVPicture *dst, const AVPicture *src, |
7e7e5940 FB |
731 | int pix_fmt, int width, int height) |
732 | { | |
733 | int bwidth, bits, i; | |
62a05b5b | 734 | const PixFmtInfo *pf = &pix_fmt_info[pix_fmt]; |
115329f1 | 735 | |
7e7e5940 FB |
736 | pf = &pix_fmt_info[pix_fmt]; |
737 | switch(pf->pixel_type) { | |
738 | case FF_PIXEL_PACKED: | |
739 | switch(pix_fmt) { | |
740 | case PIX_FMT_YUV422: | |
ebb177dd | 741 | case PIX_FMT_UYVY422: |
7e7e5940 FB |
742 | case PIX_FMT_RGB565: |
743 | case PIX_FMT_RGB555: | |
00b2fa86 LA |
744 | case PIX_FMT_BGR565: |
745 | case PIX_FMT_BGR555: | |
7e7e5940 FB |
746 | bits = 16; |
747 | break; | |
bb270c08 DB |
748 | case PIX_FMT_UYVY411: |
749 | bits = 12; | |
750 | break; | |
7e7e5940 FB |
751 | default: |
752 | bits = pf->depth * pf->nb_channels; | |
753 | break; | |
754 | } | |
755 | bwidth = (width * bits + 7) >> 3; | |
54009d42 | 756 | ff_img_copy_plane(dst->data[0], dst->linesize[0], |
7e7e5940 FB |
757 | src->data[0], src->linesize[0], |
758 | bwidth, height); | |
759 | break; | |
760 | case FF_PIXEL_PLANAR: | |
761 | for(i = 0; i < pf->nb_channels; i++) { | |
762 | int w, h; | |
763 | w = width; | |
764 | h = height; | |
765 | if (i == 1 || i == 2) { | |
766 | w >>= pf->x_chroma_shift; | |
767 | h >>= pf->y_chroma_shift; | |
768 | } | |
769 | bwidth = (w * pf->depth + 7) >> 3; | |
54009d42 | 770 | ff_img_copy_plane(dst->data[i], dst->linesize[i], |
7e7e5940 FB |
771 | src->data[i], src->linesize[i], |
772 | bwidth, h); | |
773 | } | |
774 | break; | |
775 | case FF_PIXEL_PALETTE: | |
54009d42 | 776 | ff_img_copy_plane(dst->data[0], dst->linesize[0], |
7e7e5940 FB |
777 | src->data[0], src->linesize[0], |
778 | width, height); | |
779 | /* copy the palette */ | |
54009d42 | 780 | ff_img_copy_plane(dst->data[1], dst->linesize[1], |
7e7e5940 FB |
781 | src->data[1], src->linesize[1], |
782 | 4, 256); | |
783 | break; | |
784 | } | |
785 | } | |
2a877875 | 786 | |
de6d9b64 FB |
787 | /* XXX: totally non optimized */ |
788 | ||
da64ecc3 | 789 | static void yuv422_to_yuv420p(AVPicture *dst, const AVPicture *src, |
524c6b63 | 790 | int width, int height) |
de6d9b64 | 791 | { |
c50c0bc8 FB |
792 | const uint8_t *p, *p1; |
793 | uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1; | |
d4f5d74a | 794 | int w; |
115329f1 | 795 | |
c50c0bc8 FB |
796 | p1 = src->data[0]; |
797 | lum1 = dst->data[0]; | |
0a05e494 FB |
798 | cb1 = dst->data[1]; |
799 | cr1 = dst->data[2]; | |
c50c0bc8 | 800 | |
d4f5d74a | 801 | for(;height >= 1; height -= 2) { |
c50c0bc8 FB |
802 | p = p1; |
803 | lum = lum1; | |
804 | cb = cb1; | |
805 | cr = cr1; | |
d4f5d74a | 806 | for(w = width; w >= 2; w -= 2) { |
e78df699 MN |
807 | lum[0] = p[0]; |
808 | cb[0] = p[1]; | |
809 | lum[1] = p[2]; | |
810 | cr[0] = p[3]; | |
de6d9b64 FB |
811 | p += 4; |
812 | lum += 2; | |
813 | cb++; | |
814 | cr++; | |
815 | } | |
d4f5d74a | 816 | if (w) { |
e78df699 | 817 | lum[0] = p[0]; |
d4f5d74a GM |
818 | cb[0] = p[1]; |
819 | cr[0] = p[3]; | |
820 | cb++; | |
821 | cr++; | |
de6d9b64 | 822 | } |
c50c0bc8 FB |
823 | p1 += src->linesize[0]; |
824 | lum1 += dst->linesize[0]; | |
d4f5d74a GM |
825 | if (height>1) { |
826 | p = p1; | |
827 | lum = lum1; | |
828 | for(w = width; w >= 2; w -= 2) { | |
829 | lum[0] = p[0]; | |
830 | lum[1] = p[2]; | |
831 | p += 4; | |
832 | lum += 2; | |
833 | } | |
834 | if (w) { | |
835 | lum[0] = p[0]; | |
836 | } | |
837 | p1 += src->linesize[0]; | |
838 | lum1 += dst->linesize[0]; | |
839 | } | |
c50c0bc8 FB |
840 | cb1 += dst->linesize[1]; |
841 | cr1 += dst->linesize[2]; | |
842 | } | |
843 | } | |
844 | ||
ebb177dd TK |
845 | static void uyvy422_to_yuv420p(AVPicture *dst, const AVPicture *src, |
846 | int width, int height) | |
847 | { | |
848 | const uint8_t *p, *p1; | |
849 | uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1; | |
850 | int w; | |
115329f1 | 851 | |
ebb177dd | 852 | p1 = src->data[0]; |
115329f1 | 853 | |
ebb177dd TK |
854 | lum1 = dst->data[0]; |
855 | cb1 = dst->data[1]; | |
856 | cr1 = dst->data[2]; | |
857 | ||
858 | for(;height >= 1; height -= 2) { | |
859 | p = p1; | |
860 | lum = lum1; | |
861 | cb = cb1; | |
862 | cr = cr1; | |
863 | for(w = width; w >= 2; w -= 2) { | |
864 | lum[0] = p[1]; | |
865 | cb[0] = p[0]; | |
866 | lum[1] = p[3]; | |
867 | cr[0] = p[2]; | |
868 | p += 4; | |
869 | lum += 2; | |
870 | cb++; | |
871 | cr++; | |
872 | } | |
873 | if (w) { | |
874 | lum[0] = p[1]; | |
875 | cb[0] = p[0]; | |
876 | cr[0] = p[2]; | |
877 | cb++; | |
878 | cr++; | |
879 | } | |
880 | p1 += src->linesize[0]; | |
881 | lum1 += dst->linesize[0]; | |
882 | if (height>1) { | |
883 | p = p1; | |
884 | lum = lum1; | |
885 | for(w = width; w >= 2; w -= 2) { | |
886 | lum[0] = p[1]; | |
887 | lum[1] = p[3]; | |
888 | p += 4; | |
889 | lum += 2; | |
890 | } | |
891 | if (w) { | |
892 | lum[0] = p[1]; | |
893 | } | |
894 | p1 += src->linesize[0]; | |
895 | lum1 += dst->linesize[0]; | |
896 | } | |
897 | cb1 += dst->linesize[1]; | |
898 | cr1 += dst->linesize[2]; | |
899 | } | |
900 | } | |
901 | ||
902 | ||
903 | static void uyvy422_to_yuv422p(AVPicture *dst, const AVPicture *src, | |
904 | int width, int height) | |
905 | { | |
906 | const uint8_t *p, *p1; | |
907 | uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1; | |
908 | int w; | |
909 | ||
910 | p1 = src->data[0]; | |
911 | lum1 = dst->data[0]; | |
912 | cb1 = dst->data[1]; | |
913 | cr1 = dst->data[2]; | |
914 | for(;height > 0; height--) { | |
915 | p = p1; | |
916 | lum = lum1; | |
917 | cb = cb1; | |
918 | cr = cr1; | |
919 | for(w = width; w >= 2; w -= 2) { | |
920 | lum[0] = p[1]; | |
921 | cb[0] = p[0]; | |
922 | lum[1] = p[3]; | |
923 | cr[0] = p[2]; | |
924 | p += 4; | |
925 | lum += 2; | |
926 | cb++; | |
927 | cr++; | |
928 | } | |
929 | p1 += src->linesize[0]; | |
930 | lum1 += dst->linesize[0]; | |
931 | cb1 += dst->linesize[1]; | |
932 | cr1 += dst->linesize[2]; | |
933 | } | |
934 | } | |
935 | ||
936 | ||
da64ecc3 | 937 | static void yuv422_to_yuv422p(AVPicture *dst, const AVPicture *src, |
c50c0bc8 FB |
938 | int width, int height) |
939 | { | |
940 | const uint8_t *p, *p1; | |
941 | uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1; | |
942 | int w; | |
943 | ||
944 | p1 = src->data[0]; | |
945 | lum1 = dst->data[0]; | |
0a05e494 FB |
946 | cb1 = dst->data[1]; |
947 | cr1 = dst->data[2]; | |
948 | for(;height > 0; height--) { | |
c50c0bc8 FB |
949 | p = p1; |
950 | lum = lum1; | |
951 | cb = cb1; | |
952 | cr = cr1; | |
953 | for(w = width; w >= 2; w -= 2) { | |
954 | lum[0] = p[0]; | |
955 | cb[0] = p[1]; | |
956 | lum[1] = p[2]; | |
957 | cr[0] = p[3]; | |
958 | p += 4; | |
959 | lum += 2; | |
960 | cb++; | |
961 | cr++; | |
962 | } | |
963 | p1 += src->linesize[0]; | |
964 | lum1 += dst->linesize[0]; | |
965 | cb1 += dst->linesize[1]; | |
966 | cr1 += dst->linesize[2]; | |
de6d9b64 FB |
967 | } |
968 | } | |
969 | ||
da64ecc3 | 970 | static void yuv422p_to_yuv422(AVPicture *dst, const AVPicture *src, |
c50c0bc8 FB |
971 | int width, int height) |
972 | { | |
973 | uint8_t *p, *p1; | |
974 | const uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1; | |
975 | int w; | |
976 | ||
977 | p1 = dst->data[0]; | |
978 | lum1 = src->data[0]; | |
0a05e494 FB |
979 | cb1 = src->data[1]; |
980 | cr1 = src->data[2]; | |
981 | for(;height > 0; height--) { | |
c50c0bc8 FB |
982 | p = p1; |
983 | lum = lum1; | |
984 | cb = cb1; | |
985 | cr = cr1; | |
986 | for(w = width; w >= 2; w -= 2) { | |
987 | p[0] = lum[0]; | |
988 | p[1] = cb[0]; | |
989 | p[2] = lum[1]; | |
990 | p[3] = cr[0]; | |
991 | p += 4; | |
992 | lum += 2; | |
993 | cb++; | |
994 | cr++; | |
995 | } | |
0a05e494 FB |
996 | p1 += dst->linesize[0]; |
997 | lum1 += src->linesize[0]; | |
998 | cb1 += src->linesize[1]; | |
999 | cr1 += src->linesize[2]; | |
c50c0bc8 FB |
1000 | } |
1001 | } | |
1002 | ||
ebb177dd TK |
1003 | static void yuv422p_to_uyvy422(AVPicture *dst, const AVPicture *src, |
1004 | int width, int height) | |
1005 | { | |
1006 | uint8_t *p, *p1; | |
1007 | const uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1; | |
1008 | int w; | |
1009 | ||
1010 | p1 = dst->data[0]; | |
1011 | lum1 = src->data[0]; | |
1012 | cb1 = src->data[1]; | |
1013 | cr1 = src->data[2]; | |
1014 | for(;height > 0; height--) { | |
1015 | p = p1; | |
1016 | lum = lum1; | |
1017 | cb = cb1; | |
1018 | cr = cr1; | |
1019 | for(w = width; w >= 2; w -= 2) { | |
1020 | p[1] = lum[0]; | |
1021 | p[0] = cb[0]; | |
1022 | p[3] = lum[1]; | |
1023 | p[2] = cr[0]; | |
1024 | p += 4; | |
1025 | lum += 2; | |
1026 | cb++; | |
1027 | cr++; | |
1028 | } | |
1029 | p1 += dst->linesize[0]; | |
1030 | lum1 += src->linesize[0]; | |
1031 | cb1 += src->linesize[1]; | |
1032 | cr1 += src->linesize[2]; | |
1033 | } | |
1034 | } | |
1035 | ||
f02be79d RS |
1036 | static void uyvy411_to_yuv411p(AVPicture *dst, const AVPicture *src, |
1037 | int width, int height) | |
1038 | { | |
1039 | const uint8_t *p, *p1; | |
1040 | uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1; | |
1041 | int w; | |
1042 | ||
1043 | p1 = src->data[0]; | |
1044 | lum1 = dst->data[0]; | |
1045 | cb1 = dst->data[1]; | |
1046 | cr1 = dst->data[2]; | |
1047 | for(;height > 0; height--) { | |
1048 | p = p1; | |
1049 | lum = lum1; | |
1050 | cb = cb1; | |
1051 | cr = cr1; | |
1052 | for(w = width; w >= 4; w -= 4) { | |
1053 | cb[0] = p[0]; | |
bb270c08 | 1054 | lum[0] = p[1]; |
f02be79d RS |
1055 | lum[1] = p[2]; |
1056 | cr[0] = p[3]; | |
bb270c08 DB |
1057 | lum[2] = p[4]; |
1058 | lum[3] = p[5]; | |
f02be79d RS |
1059 | p += 6; |
1060 | lum += 4; | |
1061 | cb++; | |
1062 | cr++; | |
1063 | } | |
1064 | p1 += src->linesize[0]; | |
1065 | lum1 += dst->linesize[0]; | |
1066 | cb1 += dst->linesize[1]; | |
1067 | cr1 += dst->linesize[2]; | |
1068 | } | |
1069 | } | |
ebb177dd TK |
1070 | |
1071 | ||
d7e2f57f MN |
1072 | static void yuv420p_to_yuv422(AVPicture *dst, const AVPicture *src, |
1073 | int width, int height) | |
1074 | { | |
1075 | int w, h; | |
1076 | uint8_t *line1, *line2, *linesrc = dst->data[0]; | |
1077 | uint8_t *lum1, *lum2, *lumsrc = src->data[0]; | |
1078 | uint8_t *cb1, *cb2 = src->data[1]; | |
1079 | uint8_t *cr1, *cr2 = src->data[2]; | |
115329f1 | 1080 | |
d7e2f57f MN |
1081 | for(h = height / 2; h--;) { |
1082 | line1 = linesrc; | |
1083 | line2 = linesrc + dst->linesize[0]; | |
115329f1 | 1084 | |
d7e2f57f MN |
1085 | lum1 = lumsrc; |
1086 | lum2 = lumsrc + src->linesize[0]; | |
115329f1 | 1087 | |
d7e2f57f MN |
1088 | cb1 = cb2; |
1089 | cr1 = cr2; | |
115329f1 | 1090 | |
d7e2f57f | 1091 | for(w = width / 2; w--;) { |
115329f1 DB |
1092 | *line1++ = *lum1++; *line2++ = *lum2++; |
1093 | *line1++ = *line2++ = *cb1++; | |
1094 | *line1++ = *lum1++; *line2++ = *lum2++; | |
d7e2f57f MN |
1095 | *line1++ = *line2++ = *cr1++; |
1096 | } | |
115329f1 | 1097 | |
d7e2f57f MN |
1098 | linesrc += dst->linesize[0] * 2; |
1099 | lumsrc += src->linesize[0] * 2; | |
1100 | cb2 += src->linesize[1]; | |
1101 | cr2 += src->linesize[2]; | |
1102 | } | |
1103 | } | |
1104 | ||
bac65165 LA |
1105 | static void yuv420p_to_uyvy422(AVPicture *dst, const AVPicture *src, |
1106 | int width, int height) | |
1107 | { | |
1108 | int w, h; | |
1109 | uint8_t *line1, *line2, *linesrc = dst->data[0]; | |
1110 | uint8_t *lum1, *lum2, *lumsrc = src->data[0]; | |
1111 | uint8_t *cb1, *cb2 = src->data[1]; | |
1112 | uint8_t *cr1, *cr2 = src->data[2]; | |
115329f1 | 1113 | |
bac65165 LA |
1114 | for(h = height / 2; h--;) { |
1115 | line1 = linesrc; | |
1116 | line2 = linesrc + dst->linesize[0]; | |
115329f1 | 1117 | |
bac65165 LA |
1118 | lum1 = lumsrc; |
1119 | lum2 = lumsrc + src->linesize[0]; | |
115329f1 | 1120 | |
bac65165 LA |
1121 | cb1 = cb2; |
1122 | cr1 = cr2; | |
115329f1 | 1123 | |
bac65165 | 1124 | for(w = width / 2; w--;) { |
115329f1 DB |
1125 | *line1++ = *line2++ = *cb1++; |
1126 | *line1++ = *lum1++; *line2++ = *lum2++; | |
bac65165 | 1127 | *line1++ = *line2++ = *cr1++; |
115329f1 | 1128 | *line1++ = *lum1++; *line2++ = *lum2++; |
bac65165 | 1129 | } |
115329f1 | 1130 | |
bac65165 LA |
1131 | linesrc += dst->linesize[0] * 2; |
1132 | lumsrc += src->linesize[0] * 2; | |
1133 | cb2 += src->linesize[1]; | |
1134 | cr2 += src->linesize[2]; | |
1135 | } | |
1136 | } | |
1137 | ||
c50c0bc8 | 1138 | #define SCALEBITS 10 |
de6d9b64 | 1139 | #define ONE_HALF (1 << (SCALEBITS - 1)) |
bb270c08 | 1140 | #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5)) |
de6d9b64 | 1141 | |
c50c0bc8 FB |
1142 | #define YUV_TO_RGB1_CCIR(cb1, cr1)\ |
1143 | {\ | |
1144 | cb = (cb1) - 128;\ | |
1145 | cr = (cr1) - 128;\ | |
1146 | r_add = FIX(1.40200*255.0/224.0) * cr + ONE_HALF;\ | |
1147 | g_add = - FIX(0.34414*255.0/224.0) * cb - FIX(0.71414*255.0/224.0) * cr + \ | |
1148 | ONE_HALF;\ | |
1149 | b_add = FIX(1.77200*255.0/224.0) * cb + ONE_HALF;\ | |
1150 | } | |
b6147995 | 1151 | |
c50c0bc8 FB |
1152 | #define YUV_TO_RGB2_CCIR(r, g, b, y1)\ |
1153 | {\ | |
1154 | y = ((y1) - 16) * FIX(255.0/219.0);\ | |
1155 | r = cm[(y + r_add) >> SCALEBITS];\ | |
1156 | g = cm[(y + g_add) >> SCALEBITS];\ | |
1157 | b = cm[(y + b_add) >> SCALEBITS];\ | |
1158 | } | |
1159 | ||
1160 | #define YUV_TO_RGB1(cb1, cr1)\ | |
1161 | {\ | |
1162 | cb = (cb1) - 128;\ | |
1163 | cr = (cr1) - 128;\ | |
1164 | r_add = FIX(1.40200) * cr + ONE_HALF;\ | |
1165 | g_add = - FIX(0.34414) * cb - FIX(0.71414) * cr + ONE_HALF;\ | |
1166 | b_add = FIX(1.77200) * cb + ONE_HALF;\ | |
1167 | } | |
b6147995 FB |
1168 | |
1169 | #define YUV_TO_RGB2(r, g, b, y1)\ | |
1170 | {\ | |
c50c0bc8 FB |
1171 | y = (y1) << SCALEBITS;\ |
1172 | r = cm[(y + r_add) >> SCALEBITS];\ | |
1173 | g = cm[(y + g_add) >> SCALEBITS];\ | |
1174 | b = cm[(y + b_add) >> SCALEBITS];\ | |
b6147995 FB |
1175 | } |
1176 | ||
c50c0bc8 | 1177 | #define Y_CCIR_TO_JPEG(y)\ |
b6147995 FB |
1178 | cm[((y) * FIX(255.0/219.0) + (ONE_HALF - 16 * FIX(255.0/219.0))) >> SCALEBITS] |
1179 | ||
c50c0bc8 | 1180 | #define Y_JPEG_TO_CCIR(y)\ |
b6147995 FB |
1181 | (((y) * FIX(219.0/255.0) + (ONE_HALF + (16 << SCALEBITS))) >> SCALEBITS) |
1182 | ||
c50c0bc8 FB |
1183 | #define C_CCIR_TO_JPEG(y)\ |
1184 | cm[(((y) - 128) * FIX(127.0/112.0) + (ONE_HALF + (128 << SCALEBITS))) >> SCALEBITS] | |
1185 | ||
1186 | /* NOTE: the clamp is really necessary! */ | |
4cfbf61b FH |
1187 | static inline int C_JPEG_TO_CCIR(int y) { |
1188 | y = (((y - 128) * FIX(112.0/127.0) + (ONE_HALF + (128 << SCALEBITS))) >> SCALEBITS); | |
1189 | if (y < 16) | |
bb270c08 | 1190 | y = 16; |
4cfbf61b FH |
1191 | return y; |
1192 | } | |
1193 | ||
c50c0bc8 | 1194 | |
b6147995 FB |
1195 | #define RGB_TO_Y(r, g, b) \ |
1196 | ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \ | |
1197 | FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS) | |
1198 | ||
c50c0bc8 | 1199 | #define RGB_TO_U(r1, g1, b1, shift)\ |
b6147995 | 1200 | (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \ |
c50c0bc8 | 1201 | FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) |
b6147995 | 1202 | |
c50c0bc8 | 1203 | #define RGB_TO_V(r1, g1, b1, shift)\ |
b6147995 | 1204 | (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \ |
c50c0bc8 | 1205 | FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) |
b6147995 FB |
1206 | |
1207 | #define RGB_TO_Y_CCIR(r, g, b) \ | |
1208 | ((FIX(0.29900*219.0/255.0) * (r) + FIX(0.58700*219.0/255.0) * (g) + \ | |
1209 | FIX(0.11400*219.0/255.0) * (b) + (ONE_HALF + (16 << SCALEBITS))) >> SCALEBITS) | |
1210 | ||
c50c0bc8 | 1211 | #define RGB_TO_U_CCIR(r1, g1, b1, shift)\ |
b6147995 | 1212 | (((- FIX(0.16874*224.0/255.0) * r1 - FIX(0.33126*224.0/255.0) * g1 + \ |
c50c0bc8 | 1213 | FIX(0.50000*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) |
b6147995 | 1214 | |
c50c0bc8 | 1215 | #define RGB_TO_V_CCIR(r1, g1, b1, shift)\ |
b6147995 | 1216 | (((FIX(0.50000*224.0/255.0) * r1 - FIX(0.41869*224.0/255.0) * g1 - \ |
c50c0bc8 | 1217 | FIX(0.08131*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) |
b6147995 | 1218 | |
c50c0bc8 FB |
1219 | static uint8_t y_ccir_to_jpeg[256]; |
1220 | static uint8_t y_jpeg_to_ccir[256]; | |
1221 | static uint8_t c_ccir_to_jpeg[256]; | |
1222 | static uint8_t c_jpeg_to_ccir[256]; | |
1223 | ||
1224 | /* init various conversion tables */ | |
1225 | static void img_convert_init(void) | |
b6147995 | 1226 | { |
c50c0bc8 | 1227 | int i; |
b6147995 FB |
1228 | uint8_t *cm = cropTbl + MAX_NEG_CROP; |
1229 | ||
c50c0bc8 FB |
1230 | for(i = 0;i < 256; i++) { |
1231 | y_ccir_to_jpeg[i] = Y_CCIR_TO_JPEG(i); | |
1232 | y_jpeg_to_ccir[i] = Y_JPEG_TO_CCIR(i); | |
1233 | c_ccir_to_jpeg[i] = C_CCIR_TO_JPEG(i); | |
1234 | c_jpeg_to_ccir[i] = C_JPEG_TO_CCIR(i); | |
b6147995 FB |
1235 | } |
1236 | } | |
1237 | ||
c50c0bc8 | 1238 | /* apply to each pixel the given table */ |
115329f1 | 1239 | static void img_apply_table(uint8_t *dst, int dst_wrap, |
c50c0bc8 FB |
1240 | const uint8_t *src, int src_wrap, |
1241 | int width, int height, const uint8_t *table1) | |
b6147995 FB |
1242 | { |
1243 | int n; | |
1244 | const uint8_t *s; | |
1245 | uint8_t *d; | |
c50c0bc8 | 1246 | const uint8_t *table; |
b6147995 | 1247 | |
c50c0bc8 | 1248 | table = table1; |
b6147995 FB |
1249 | for(;height > 0; height--) { |
1250 | s = src; | |
1251 | d = dst; | |
1252 | n = width; | |
1253 | while (n >= 4) { | |
c50c0bc8 FB |
1254 | d[0] = table[s[0]]; |
1255 | d[1] = table[s[1]]; | |
1256 | d[2] = table[s[2]]; | |
1257 | d[3] = table[s[3]]; | |
b6147995 FB |
1258 | d += 4; |
1259 | s += 4; | |
1260 | n -= 4; | |
1261 | } | |
1262 | while (n > 0) { | |
c50c0bc8 | 1263 | d[0] = table[s[0]]; |
b6147995 FB |
1264 | d++; |
1265 | s++; | |
1266 | n--; | |
1267 | } | |
1268 | dst += dst_wrap; | |
1269 | src += src_wrap; | |
1270 | } | |
1271 | } | |
1272 | ||
85c242d8 | 1273 | /* XXX: use generic filter ? */ |
e352ff08 FB |
1274 | /* XXX: in most cases, the sampling position is incorrect */ |
1275 | ||
1276 | /* 4x1 -> 1x1 */ | |
115329f1 | 1277 | static void shrink41(uint8_t *dst, int dst_wrap, |
e352ff08 FB |
1278 | const uint8_t *src, int src_wrap, |
1279 | int width, int height) | |
1280 | { | |
1281 | int w; | |
1282 | const uint8_t *s; | |
1283 | uint8_t *d; | |
1284 | ||
1285 | for(;height > 0; height--) { | |
1286 | s = src; | |
1287 | d = dst; | |
1288 | for(w = width;w > 0; w--) { | |
1289 | d[0] = (s[0] + s[1] + s[2] + s[3] + 2) >> 2; | |
1290 | s += 4; | |
1291 | d++; | |
1292 | } | |
1293 | src += src_wrap; | |
1294 | dst += dst_wrap; | |
1295 | } | |
1296 | } | |
1297 | ||
1298 | /* 2x1 -> 1x1 */ | |
115329f1 | 1299 | static void shrink21(uint8_t *dst, int dst_wrap, |
e352ff08 FB |
1300 | const uint8_t *src, int src_wrap, |
1301 | int width, int height) | |
1302 | { | |
1303 | int w; | |
1304 | const uint8_t *s; | |
1305 | uint8_t *d; | |
1306 | ||
1307 | for(;height > 0; height--) { | |
1308 | s = src; | |
1309 | d = dst; | |
1310 | for(w = width;w > 0; w--) { | |
1311 | d[0] = (s[0] + s[1]) >> 1; | |
1312 | s += 2; | |
1313 | d++; | |
1314 | } | |
1315 | src += src_wrap; | |
1316 | dst += dst_wrap; | |
1317 | } | |
1318 | } | |
1319 | ||
85c242d8 | 1320 | /* 1x2 -> 1x1 */ |
115329f1 | 1321 | static void shrink12(uint8_t *dst, int dst_wrap, |
e352ff08 FB |
1322 | const uint8_t *src, int src_wrap, |
1323 | int width, int height) | |
85c242d8 FB |
1324 | { |
1325 | int w; | |
e352ff08 FB |
1326 | uint8_t *d; |
1327 | const uint8_t *s1, *s2; | |
85c242d8 FB |
1328 | |
1329 | for(;height > 0; height--) { | |
1330 | s1 = src; | |
1331 | s2 = s1 + src_wrap; | |
1332 | d = dst; | |
1333 | for(w = width;w >= 4; w-=4) { | |
1334 | d[0] = (s1[0] + s2[0]) >> 1; | |
1335 | d[1] = (s1[1] + s2[1]) >> 1; | |
1336 | d[2] = (s1[2] + s2[2]) >> 1; | |
1337 | d[3] = (s1[3] + s2[3]) >> 1; | |
1338 | s1 += 4; | |
1339 | s2 += 4; | |
1340 | d += 4; | |
1341 | } | |
1342 | for(;w > 0; w--) { | |
1343 | d[0] = (s1[0] + s2[0]) >> 1; | |
1344 | s1++; | |
1345 | s2++; | |
1346 | d++; | |
1347 | } | |
1348 | src += 2 * src_wrap; | |
1349 | dst += dst_wrap; | |
1350 | } | |
1351 | } | |
1352 | ||
1353 | /* 2x2 -> 1x1 */ | |
54009d42 | 1354 | void ff_shrink22(uint8_t *dst, int dst_wrap, |
e352ff08 | 1355 | const uint8_t *src, int src_wrap, |
85c242d8 FB |
1356 | int width, int height) |
1357 | { | |
1358 | int w; | |
e352ff08 FB |
1359 | const uint8_t *s1, *s2; |
1360 | uint8_t *d; | |
85c242d8 FB |
1361 | |
1362 | for(;height > 0; height--) { | |
1363 | s1 = src; | |
1364 | s2 = s1 + src_wrap; | |
1365 | d = dst; | |
1366 | for(w = width;w >= 4; w-=4) { | |
0a9ad8d1 FB |
1367 | d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2; |
1368 | d[1] = (s1[2] + s1[3] + s2[2] + s2[3] + 2) >> 2; | |
1369 | d[2] = (s1[4] + s1[5] + s2[4] + s2[5] + 2) >> 2; | |
1370 | d[3] = (s1[6] + s1[7] + s2[6] + s2[7] + 2) >> 2; | |
85c242d8 FB |
1371 | s1 += 8; |
1372 | s2 += 8; | |
1373 | d += 4; | |
1374 | } | |
1375 | for(;w > 0; w--) { | |
0a9ad8d1 | 1376 | d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 2; |
85c242d8 FB |
1377 | s1 += 2; |
1378 | s2 += 2; | |
1379 | d++; | |
1380 | } | |
1381 | src += 2 * src_wrap; | |
1382 | dst += dst_wrap; | |
1383 | } | |
1384 | } | |
1385 | ||
e352ff08 | 1386 | /* 4x4 -> 1x1 */ |
54009d42 | 1387 | void ff_shrink44(uint8_t *dst, int dst_wrap, |
e352ff08 | 1388 | const uint8_t *src, int src_wrap, |
6742d95d FR |
1389 | int width, int height) |
1390 | { | |
1391 | int w; | |
e352ff08 FB |
1392 | const uint8_t *s1, *s2, *s3, *s4; |
1393 | uint8_t *d; | |
6742d95d FR |
1394 | |
1395 | for(;height > 0; height--) { | |
1396 | s1 = src; | |
e352ff08 FB |
1397 | s2 = s1 + src_wrap; |
1398 | s3 = s2 + src_wrap; | |
1399 | s4 = s3 + src_wrap; | |
6742d95d | 1400 | d = dst; |
e352ff08 FB |
1401 | for(w = width;w > 0; w--) { |
1402 | d[0] = (s1[0] + s1[1] + s1[2] + s1[3] + | |
1403 | s2[0] + s2[1] + s2[2] + s2[3] + | |
1404 | s3[0] + s3[1] + s3[2] + s3[3] + | |
1405 | s4[0] + s4[1] + s4[2] + s4[3] + 8) >> 4; | |
1406 | s1 += 4; | |
1407 | s2 += 4; | |
1408 | s3 += 4; | |
1409 | s4 += 4; | |
6742d95d FR |
1410 | d++; |
1411 | } | |
e352ff08 FB |
1412 | src += 4 * src_wrap; |
1413 | dst += dst_wrap; | |
1414 | } | |
1415 | } | |
1416 | ||
54009d42 MN |
1417 | /* 8x8 -> 1x1 */ |
1418 | void ff_shrink88(uint8_t *dst, int dst_wrap, | |
1419 | const uint8_t *src, int src_wrap, | |
1420 | int width, int height) | |
1421 | { | |
1422 | int w, i; | |
1423 | ||
1424 | for(;height > 0; height--) { | |
1425 | for(w = width;w > 0; w--) { | |
1426 | int tmp=0; | |
1427 | for(i=0; i<8; i++){ | |
1428 | tmp += src[0] + src[1] + src[2] + src[3] + src[4] + src[5] + src[6] + src[7]; | |
1429 | src += src_wrap; | |
1430 | } | |
1431 | *(dst++) = (tmp + 32)>>6; | |
1432 | src += 8 - 8*src_wrap; | |
1433 | } | |
1434 | src += 8*src_wrap - 8*width; | |
1435 | dst += dst_wrap - width; | |
1436 | } | |
1437 | } | |
1438 | ||
e352ff08 FB |
1439 | static void grow21_line(uint8_t *dst, const uint8_t *src, |
1440 | int width) | |
1441 | { | |
1442 | int w; | |
1443 | const uint8_t *s1; | |
1444 | uint8_t *d; | |
1445 | ||
1446 | s1 = src; | |
1447 | d = dst; | |
1448 | for(w = width;w >= 4; w-=4) { | |
1449 | d[1] = d[0] = s1[0]; | |
1450 | d[3] = d[2] = s1[1]; | |
1451 | s1 += 2; | |
1452 | d += 4; | |
1453 | } | |
1454 | for(;w >= 2; w -= 2) { | |
1455 | d[1] = d[0] = s1[0]; | |
1456 | s1 ++; | |
1457 | d += 2; | |
1458 | } | |
1459 | /* only needed if width is not a multiple of two */ | |
1460 | /* XXX: veryfy that */ | |
1461 | if (w) { | |
1462 | d[0] = s1[0]; | |
1463 | } | |
1464 | } | |
1465 | ||
1466 | static void grow41_line(uint8_t *dst, const uint8_t *src, | |
1467 | int width) | |
1468 | { | |
1469 | int w, v; | |
1470 | const uint8_t *s1; | |
1471 | uint8_t *d; | |
1472 | ||
1473 | s1 = src; | |
1474 | d = dst; | |
1475 | for(w = width;w >= 4; w-=4) { | |
1476 | v = s1[0]; | |
1477 | d[0] = v; | |
1478 | d[1] = v; | |
1479 | d[2] = v; | |
1480 | d[3] = v; | |
1481 | s1 ++; | |
1482 | d += 4; | |
1483 | } | |
1484 | } | |
1485 | ||
1486 | /* 1x1 -> 2x1 */ | |
1487 | static void grow21(uint8_t *dst, int dst_wrap, | |
1488 | const uint8_t *src, int src_wrap, | |
1489 | int width, int height) | |
1490 | { | |
1491 | for(;height > 0; height--) { | |
1492 | grow21_line(dst, src, width); | |
1493 | src += src_wrap; | |
1494 | dst += dst_wrap; | |
1495 | } | |
1496 | } | |
1497 | ||
1498 | /* 1x1 -> 2x2 */ | |
1499 | static void grow22(uint8_t *dst, int dst_wrap, | |
1500 | const uint8_t *src, int src_wrap, | |
1501 | int width, int height) | |
1502 | { | |
1503 | for(;height > 0; height--) { | |
1504 | grow21_line(dst, src, width); | |
6742d95d FR |
1505 | if (height%2) |
1506 | src += src_wrap; | |
1507 | dst += dst_wrap; | |
1508 | } | |
1509 | } | |
1510 | ||
e352ff08 FB |
1511 | /* 1x1 -> 4x1 */ |
1512 | static void grow41(uint8_t *dst, int dst_wrap, | |
1513 | const uint8_t *src, int src_wrap, | |
1514 | int width, int height) | |
1515 | { | |
1516 | for(;height > 0; height--) { | |
1517 | grow41_line(dst, src, width); | |
1518 | src += src_wrap; | |
1519 | dst += dst_wrap; | |
1520 | } | |
1521 | } | |
1522 | ||
1523 | /* 1x1 -> 4x4 */ | |
1524 | static void grow44(uint8_t *dst, int dst_wrap, | |
1525 | const uint8_t *src, int src_wrap, | |
1526 | int width, int height) | |
1527 | { | |
1528 | for(;height > 0; height--) { | |
1529 | grow41_line(dst, src, width); | |
1530 | if ((height & 3) == 1) | |
1531 | src += src_wrap; | |
1532 | dst += dst_wrap; | |
1533 | } | |
1534 | } | |
1535 | ||
524c6b63 | 1536 | /* 1x2 -> 2x1 */ |
115329f1 | 1537 | static void conv411(uint8_t *dst, int dst_wrap, |
e352ff08 | 1538 | const uint8_t *src, int src_wrap, |
789587d5 FB |
1539 | int width, int height) |
1540 | { | |
1541 | int w, c; | |
e352ff08 FB |
1542 | const uint8_t *s1, *s2; |
1543 | uint8_t *d; | |
789587d5 | 1544 | |
50643575 MN |
1545 | width>>=1; |
1546 | ||
524c6b63 | 1547 | for(;height > 0; height--) { |
789587d5 FB |
1548 | s1 = src; |
1549 | s2 = src + src_wrap; | |
1550 | d = dst; | |
1551 | for(w = width;w > 0; w--) { | |
1552 | c = (s1[0] + s2[0]) >> 1; | |
1553 | d[0] = c; | |
1554 | d[1] = c; | |
1555 | s1++; | |
1556 | s2++; | |
1557 | d += 2; | |
1558 | } | |
1559 | src += src_wrap * 2; | |
1560 | dst += dst_wrap; | |
1561 | } | |
1562 | } | |
1563 | ||
7e7e5940 FB |
1564 | /* XXX: add jpeg quantize code */ |
1565 | ||
1566 | #define TRANSP_INDEX (6*6*6) | |
1567 | ||
1568 | /* this is maybe slow, but allows for extensions */ | |
1569 | static inline unsigned char gif_clut_index(uint8_t r, uint8_t g, uint8_t b) | |
85c242d8 | 1570 | { |
7e7e5940 | 1571 | return ((((r)/47)%6)*6*6+(((g)/47)%6)*6+(((b)/47)%6)); |
85c242d8 FB |
1572 | } |
1573 | ||
7e7e5940 FB |
1574 | static void build_rgb_palette(uint8_t *palette, int has_alpha) |
1575 | { | |
1576 | uint32_t *pal; | |
1577 | static const uint8_t pal_value[6] = { 0x00, 0x33, 0x66, 0x99, 0xcc, 0xff }; | |
1578 | int i, r, g, b; | |
1579 | ||
1580 | pal = (uint32_t *)palette; | |
1581 | i = 0; | |
1582 | for(r = 0; r < 6; r++) { | |
1583 | for(g = 0; g < 6; g++) { | |
1584 | for(b = 0; b < 6; b++) { | |
115329f1 | 1585 | pal[i++] = (0xff << 24) | (pal_value[r] << 16) | |
7e7e5940 FB |
1586 | (pal_value[g] << 8) | pal_value[b]; |
1587 | } | |
1588 | } | |
1589 | } | |
1590 | if (has_alpha) | |
1591 | pal[i++] = 0; | |
1592 | while (i < 256) | |
1593 | pal[i++] = 0xff000000; | |
524c6b63 FB |
1594 | } |
1595 | ||
1596 | /* copy bit n to bits 0 ... n - 1 */ | |
1597 | static inline unsigned int bitcopy_n(unsigned int a, int n) | |
b71472eb | 1598 | { |
524c6b63 FB |
1599 | int mask; |
1600 | mask = (1 << n) - 1; | |
1601 | return (a & (0xff & ~mask)) | ((-((a >> n) & 1)) & mask); | |
1602 | } | |
1603 | ||
1604 | /* rgb555 handling */ | |
1605 | ||
7e7e5940 FB |
1606 | #define RGB_NAME rgb555 |
1607 | ||
524c6b63 FB |
1608 | #define RGB_IN(r, g, b, s)\ |
1609 | {\ | |
0c1a9eda | 1610 | unsigned int v = ((const uint16_t *)(s))[0];\ |
524c6b63 FB |
1611 | r = bitcopy_n(v >> (10 - 3), 3);\ |
1612 | g = bitcopy_n(v >> (5 - 3), 3);\ | |
1613 | b = bitcopy_n(v << 3, 3);\ | |
1614 | } | |
1615 | ||
7e7e5940 | 1616 | #define RGBA_IN(r, g, b, a, s)\ |
524c6b63 | 1617 | {\ |
7e7e5940 FB |
1618 | unsigned int v = ((const uint16_t *)(s))[0];\ |
1619 | r = bitcopy_n(v >> (10 - 3), 3);\ | |
1620 | g = bitcopy_n(v >> (5 - 3), 3);\ | |
1621 | b = bitcopy_n(v << 3, 3);\ | |
b5ff5e22 | 1622 | a = (-(v >> 15)) & 0xff;\ |
7e7e5940 FB |
1623 | } |
1624 | ||
1625 | #define RGBA_OUT(d, r, g, b, a)\ | |
1626 | {\ | |
1627 | ((uint16_t *)(d))[0] = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3) | \ | |
1628 | ((a << 8) & 0x8000);\ | |
524c6b63 FB |
1629 | } |
1630 | ||
1631 | #define BPP 2 | |
1632 | ||
7e7e5940 | 1633 | #include "imgconvert_template.h" |
524c6b63 FB |
1634 | |
1635 | /* rgb565 handling */ | |
1636 | ||
7e7e5940 FB |
1637 | #define RGB_NAME rgb565 |
1638 | ||
524c6b63 FB |
1639 | #define RGB_IN(r, g, b, s)\ |
1640 | {\ | |
0c1a9eda | 1641 | unsigned int v = ((const uint16_t *)(s))[0];\ |
524c6b63 FB |
1642 | r = bitcopy_n(v >> (11 - 3), 3);\ |
1643 | g = bitcopy_n(v >> (5 - 2), 2);\ | |
1644 | b = bitcopy_n(v << 3, 3);\ | |
1645 | } | |
1646 | ||
1647 | #define RGB_OUT(d, r, g, b)\ | |
1648 | {\ | |
0c1a9eda | 1649 | ((uint16_t *)(d))[0] = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);\ |
524c6b63 FB |
1650 | } |
1651 | ||
1652 | #define BPP 2 | |
1653 | ||
7e7e5940 | 1654 | #include "imgconvert_template.h" |
524c6b63 FB |
1655 | |
1656 | /* bgr24 handling */ | |
1657 | ||
7e7e5940 FB |
1658 | #define RGB_NAME bgr24 |
1659 | ||
524c6b63 FB |
1660 | #define RGB_IN(r, g, b, s)\ |
1661 | {\ | |
1662 | b = (s)[0];\ | |
1663 | g = (s)[1];\ | |
1664 | r = (s)[2];\ | |
1665 | } | |
1666 | ||
1667 | #define RGB_OUT(d, r, g, b)\ | |
1668 | {\ | |
1669 | (d)[0] = b;\ | |
1670 | (d)[1] = g;\ | |
1671 | (d)[2] = r;\ | |
1672 | } | |
1673 | ||
1674 | #define BPP 3 | |
1675 | ||
7e7e5940 | 1676 | #include "imgconvert_template.h" |
524c6b63 FB |
1677 | |
1678 | #undef RGB_IN | |
1679 | #undef RGB_OUT | |
1680 | #undef BPP | |
1681 | ||
1682 | /* rgb24 handling */ | |
1683 | ||
7e7e5940 FB |
1684 | #define RGB_NAME rgb24 |
1685 | #define FMT_RGB24 | |
1686 | ||
524c6b63 FB |
1687 | #define RGB_IN(r, g, b, s)\ |
1688 | {\ | |
1689 | r = (s)[0];\ | |
1690 | g = (s)[1];\ | |
1691 | b = (s)[2];\ | |
1692 | } | |
1693 | ||
1694 | #define RGB_OUT(d, r, g, b)\ | |
1695 | {\ | |
1696 | (d)[0] = r;\ | |
1697 | (d)[1] = g;\ | |
1698 | (d)[2] = b;\ | |
1699 | } | |
1700 | ||
1701 | #define BPP 3 | |
1702 | ||
7e7e5940 | 1703 | #include "imgconvert_template.h" |
524c6b63 FB |
1704 | |
1705 | /* rgba32 handling */ | |
1706 | ||
7e7e5940 FB |
1707 | #define RGB_NAME rgba32 |
1708 | #define FMT_RGBA32 | |
1709 | ||
524c6b63 FB |
1710 | #define RGB_IN(r, g, b, s)\ |
1711 | {\ | |
0c1a9eda | 1712 | unsigned int v = ((const uint32_t *)(s))[0];\ |
524c6b63 FB |
1713 | r = (v >> 16) & 0xff;\ |
1714 | g = (v >> 8) & 0xff;\ | |
1715 | b = v & 0xff;\ | |
1716 | } | |
1717 | ||
7e7e5940 | 1718 | #define RGBA_IN(r, g, b, a, s)\ |
524c6b63 | 1719 | {\ |
7e7e5940 FB |
1720 | unsigned int v = ((const uint32_t *)(s))[0];\ |
1721 | a = (v >> 24) & 0xff;\ | |
1722 | r = (v >> 16) & 0xff;\ | |
1723 | g = (v >> 8) & 0xff;\ | |
1724 | b = v & 0xff;\ | |
524c6b63 FB |
1725 | } |
1726 | ||
7e7e5940 FB |
1727 | #define RGBA_OUT(d, r, g, b, a)\ |
1728 | {\ | |
1729 | ((uint32_t *)(d))[0] = (a << 24) | (r << 16) | (g << 8) | b;\ | |
b71472eb PG |
1730 | } |
1731 | ||
7e7e5940 | 1732 | #define BPP 4 |
524c6b63 | 1733 | |
7e7e5940 | 1734 | #include "imgconvert_template.h" |
b71472eb | 1735 | |
da64ecc3 | 1736 | static void mono_to_gray(AVPicture *dst, const AVPicture *src, |
2a877875 | 1737 | int width, int height, int xor_mask) |
524c6b63 FB |
1738 | { |
1739 | const unsigned char *p; | |
1740 | unsigned char *q; | |
1741 | int v, dst_wrap, src_wrap; | |
1742 | int y, w; | |
1743 | ||
1744 | p = src->data[0]; | |
1745 | src_wrap = src->linesize[0] - ((width + 7) >> 3); | |
1746 | ||
1747 | q = dst->data[0]; | |
2a877875 | 1748 | dst_wrap = dst->linesize[0] - width; |
524c6b63 | 1749 | for(y=0;y<height;y++) { |
115329f1 | 1750 | w = width; |
524c6b63 | 1751 | while (w >= 8) { |
2a877875 FB |
1752 | v = *p++ ^ xor_mask; |
1753 | q[0] = -(v >> 7); | |
1754 | q[1] = -((v >> 6) & 1); | |
1755 | q[2] = -((v >> 5) & 1); | |
1756 | q[3] = -((v >> 4) & 1); | |
1757 | q[4] = -((v >> 3) & 1); | |
1758 | q[5] = -((v >> 2) & 1); | |
1759 | q[6] = -((v >> 1) & 1); | |
1760 | q[7] = -((v >> 0) & 1); | |
524c6b63 | 1761 | w -= 8; |
2a877875 | 1762 | q += 8; |
524c6b63 FB |
1763 | } |
1764 | if (w > 0) { | |
2a877875 | 1765 | v = *p++ ^ xor_mask; |
524c6b63 | 1766 | do { |
2a877875 FB |
1767 | q[0] = -((v >> 7) & 1); |
1768 | q++; | |
524c6b63 FB |
1769 | v <<= 1; |
1770 | } while (--w); | |
85c242d8 | 1771 | } |
524c6b63 FB |
1772 | p += src_wrap; |
1773 | q += dst_wrap; | |
85c242d8 FB |
1774 | } |
1775 | } | |
1776 | ||
da64ecc3 | 1777 | static void monowhite_to_gray(AVPicture *dst, const AVPicture *src, |
524c6b63 FB |
1778 | int width, int height) |
1779 | { | |
2a877875 FB |
1780 | mono_to_gray(dst, src, width, height, 0xff); |
1781 | } | |
524c6b63 | 1782 | |
da64ecc3 | 1783 | static void monoblack_to_gray(AVPicture *dst, const AVPicture *src, |
2a877875 FB |
1784 | int width, int height) |
1785 | { | |
1786 | mono_to_gray(dst, src, width, height, 0x00); | |
1787 | } | |
524c6b63 | 1788 | |
da64ecc3 | 1789 | static void gray_to_mono(AVPicture *dst, const AVPicture *src, |
2a877875 FB |
1790 | int width, int height, int xor_mask) |
1791 | { | |
1792 | int n; | |
0c1a9eda ZK |
1793 | const uint8_t *s; |
1794 | uint8_t *d; | |
2a877875 FB |
1795 | int j, b, v, n1, src_wrap, dst_wrap, y; |
1796 | ||
1797 | s = src->data[0]; | |
1798 | src_wrap = src->linesize[0] - width; | |
1799 | ||
1800 | d = dst->data[0]; | |
1801 | dst_wrap = dst->linesize[0] - ((width + 7) >> 3); | |
524c6b63 FB |
1802 | |
1803 | for(y=0;y<height;y++) { | |
2a877875 FB |
1804 | n = width; |
1805 | while (n >= 8) { | |
1806 | v = 0; | |
1807 | for(j=0;j<8;j++) { | |
1808 | b = s[0]; | |
1809 | s++; | |
1810 | v = (v << 1) | (b >> 7); | |
1811 | } | |
1812 | d[0] = v ^ xor_mask; | |
1813 | d++; | |
1814 | n -= 8; | |
524c6b63 | 1815 | } |
2a877875 FB |
1816 | if (n > 0) { |
1817 | n1 = n; | |
1818 | v = 0; | |
1819 | while (n > 0) { | |
1820 | b = s[0]; | |
1821 | s++; | |
1822 | v = (v << 1) | (b >> 7); | |
1823 | n--; | |
1824 | } | |
1825 | d[0] = (v << (8 - (n1 & 7))) ^ xor_mask; | |
1826 | d++; | |
524c6b63 | 1827 | } |
2a877875 FB |
1828 | s += src_wrap; |
1829 | d += dst_wrap; | |
524c6b63 FB |
1830 | } |
1831 | } | |
1832 | ||
da64ecc3 | 1833 | static void gray_to_monowhite(AVPicture *dst, const AVPicture *src, |
2a877875 FB |
1834 | int width, int height) |
1835 | { | |
1836 | gray_to_mono(dst, src, width, height, 0xff); | |
1837 | } | |
1838 | ||
da64ecc3 | 1839 | static void gray_to_monoblack(AVPicture *dst, const AVPicture *src, |
2a877875 FB |
1840 | int width, int height) |
1841 | { | |
1842 | gray_to_mono(dst, src, width, height, 0x00); | |
1843 | } | |
1844 | ||
524c6b63 | 1845 | typedef struct ConvertEntry { |
da64ecc3 | 1846 | void (*convert)(AVPicture *dst, |
bb270c08 | 1847 | const AVPicture *src, int width, int height); |
524c6b63 FB |
1848 | } ConvertEntry; |
1849 | ||
c50c0bc8 FB |
1850 | /* Add each new convertion function in this table. In order to be able |
1851 | to convert from any format to any format, the following constraints | |
1852 | must be satisfied: | |
1853 | ||
115329f1 | 1854 | - all FF_COLOR_RGB formats must convert to and from PIX_FMT_RGB24 |
c50c0bc8 FB |
1855 | |
1856 | - all FF_COLOR_GRAY formats must convert to and from PIX_FMT_GRAY8 | |
1857 | ||
1858 | - all FF_COLOR_RGB formats with alpha must convert to and from PIX_FMT_RGBA32 | |
1859 | ||
e352ff08 | 1860 | - PIX_FMT_YUV444P and PIX_FMT_YUVJ444P must convert to and from |
c50c0bc8 FB |
1861 | PIX_FMT_RGB24. |
1862 | ||
1863 | - PIX_FMT_422 must convert to and from PIX_FMT_422P. | |
e352ff08 FB |
1864 | |
1865 | The other conversion functions are just optimisations for common cases. | |
524c6b63 | 1866 | */ |
62a05b5b | 1867 | static const ConvertEntry convert_table[PIX_FMT_NB][PIX_FMT_NB] = { |
524c6b63 | 1868 | [PIX_FMT_YUV420P] = { |
d7e2f57f MN |
1869 | [PIX_FMT_YUV422] = { |
1870 | .convert = yuv420p_to_yuv422, | |
1871 | }, | |
115329f1 | 1872 | [PIX_FMT_RGB555] = { |
ef9f7306 | 1873 | .convert = yuv420p_to_rgb555 |
524c6b63 | 1874 | }, |
115329f1 | 1875 | [PIX_FMT_RGB565] = { |
ef9f7306 | 1876 | .convert = yuv420p_to_rgb565 |
524c6b63 | 1877 | }, |
115329f1 | 1878 | [PIX_FMT_BGR24] = { |
ef9f7306 | 1879 | .convert = yuv420p_to_bgr24 |
524c6b63 | 1880 | }, |
115329f1 | 1881 | [PIX_FMT_RGB24] = { |
ef9f7306 | 1882 | .convert = yuv420p_to_rgb24 |
524c6b63 | 1883 | }, |
115329f1 | 1884 | [PIX_FMT_RGBA32] = { |
ef9f7306 | 1885 | .convert = yuv420p_to_rgba32 |
524c6b63 | 1886 | }, |
bb270c08 | 1887 | [PIX_FMT_UYVY422] = { |
bac65165 LA |
1888 | .convert = yuv420p_to_uyvy422, |
1889 | }, | |
524c6b63 | 1890 | }, |
115329f1 DB |
1891 | [PIX_FMT_YUV422P] = { |
1892 | [PIX_FMT_YUV422] = { | |
c50c0bc8 FB |
1893 | .convert = yuv422p_to_yuv422, |
1894 | }, | |
115329f1 | 1895 | [PIX_FMT_UYVY422] = { |
ebb177dd TK |
1896 | .convert = yuv422p_to_uyvy422, |
1897 | }, | |
c50c0bc8 | 1898 | }, |
115329f1 DB |
1899 | [PIX_FMT_YUV444P] = { |
1900 | [PIX_FMT_RGB24] = { | |
c50c0bc8 FB |
1901 | .convert = yuv444p_to_rgb24 |
1902 | }, | |
1903 | }, | |
1904 | [PIX_FMT_YUVJ420P] = { | |
115329f1 | 1905 | [PIX_FMT_RGB555] = { |
c50c0bc8 | 1906 | .convert = yuvj420p_to_rgb555 |
524c6b63 | 1907 | }, |
115329f1 | 1908 | [PIX_FMT_RGB565] = { |
c50c0bc8 | 1909 | .convert = yuvj420p_to_rgb565 |
524c6b63 | 1910 | }, |
115329f1 | 1911 | [PIX_FMT_BGR24] = { |
c50c0bc8 | 1912 | .convert = yuvj420p_to_bgr24 |
524c6b63 | 1913 | }, |
115329f1 | 1914 | [PIX_FMT_RGB24] = { |
c50c0bc8 | 1915 | .convert = yuvj420p_to_rgb24 |
524c6b63 | 1916 | }, |
115329f1 | 1917 | [PIX_FMT_RGBA32] = { |
c50c0bc8 FB |
1918 | .convert = yuvj420p_to_rgba32 |
1919 | }, | |
1920 | }, | |
115329f1 DB |
1921 | [PIX_FMT_YUVJ444P] = { |
1922 | [PIX_FMT_RGB24] = { | |
c50c0bc8 | 1923 | .convert = yuvj444p_to_rgb24 |
524c6b63 FB |
1924 | }, |
1925 | }, | |
115329f1 DB |
1926 | [PIX_FMT_YUV422] = { |
1927 | [PIX_FMT_YUV420P] = { | |
ef9f7306 | 1928 | .convert = yuv422_to_yuv420p, |
524c6b63 | 1929 | }, |
115329f1 | 1930 | [PIX_FMT_YUV422P] = { |
c50c0bc8 FB |
1931 | .convert = yuv422_to_yuv422p, |
1932 | }, | |
524c6b63 | 1933 | }, |
115329f1 DB |
1934 | [PIX_FMT_UYVY422] = { |
1935 | [PIX_FMT_YUV420P] = { | |
ebb177dd TK |
1936 | .convert = uyvy422_to_yuv420p, |
1937 | }, | |
115329f1 | 1938 | [PIX_FMT_YUV422P] = { |
ebb177dd TK |
1939 | .convert = uyvy422_to_yuv422p, |
1940 | }, | |
1941 | }, | |
524c6b63 | 1942 | [PIX_FMT_RGB24] = { |
115329f1 | 1943 | [PIX_FMT_YUV420P] = { |
ef9f7306 | 1944 | .convert = rgb24_to_yuv420p |
524c6b63 | 1945 | }, |
115329f1 | 1946 | [PIX_FMT_RGB565] = { |
ef9f7306 | 1947 | .convert = rgb24_to_rgb565 |
524c6b63 | 1948 | }, |
115329f1 | 1949 | [PIX_FMT_RGB555] = { |
ef9f7306 | 1950 | .convert = rgb24_to_rgb555 |
524c6b63 | 1951 | }, |
115329f1 | 1952 | [PIX_FMT_RGBA32] = { |
7e7e5940 FB |
1953 | .convert = rgb24_to_rgba32 |
1954 | }, | |
115329f1 | 1955 | [PIX_FMT_BGR24] = { |
7e7e5940 FB |
1956 | .convert = rgb24_to_bgr24 |
1957 | }, | |
115329f1 | 1958 | [PIX_FMT_GRAY8] = { |
ef9f7306 | 1959 | .convert = rgb24_to_gray |
524c6b63 | 1960 | }, |
7e7e5940 | 1961 | [PIX_FMT_PAL8] = { |
7e6d70d0 FB |
1962 | .convert = rgb24_to_pal8 |
1963 | }, | |
115329f1 | 1964 | [PIX_FMT_YUV444P] = { |
c50c0bc8 FB |
1965 | .convert = rgb24_to_yuv444p |
1966 | }, | |
115329f1 | 1967 | [PIX_FMT_YUVJ420P] = { |
c50c0bc8 FB |
1968 | .convert = rgb24_to_yuvj420p |
1969 | }, | |
115329f1 | 1970 | [PIX_FMT_YUVJ444P] = { |
c50c0bc8 FB |
1971 | .convert = rgb24_to_yuvj444p |
1972 | }, | |
524c6b63 FB |
1973 | }, |
1974 | [PIX_FMT_RGBA32] = { | |
115329f1 | 1975 | [PIX_FMT_RGB24] = { |
7e7e5940 FB |
1976 | .convert = rgba32_to_rgb24 |
1977 | }, | |
115329f1 | 1978 | [PIX_FMT_RGB555] = { |
7e7e5940 FB |
1979 | .convert = rgba32_to_rgb555 |
1980 | }, | |
115329f1 | 1981 | [PIX_FMT_PAL8] = { |
7e7e5940 FB |
1982 | .convert = rgba32_to_pal8 |
1983 | }, | |
115329f1 | 1984 | [PIX_FMT_YUV420P] = { |
ef9f7306 | 1985 | .convert = rgba32_to_yuv420p |
524c6b63 | 1986 | }, |
115329f1 | 1987 | [PIX_FMT_GRAY8] = { |
69572401 FB |
1988 | .convert = rgba32_to_gray |
1989 | }, | |
524c6b63 FB |
1990 | }, |
1991 | [PIX_FMT_BGR24] = { | |
115329f1 | 1992 | [PIX_FMT_RGB24] = { |
7e7e5940 FB |
1993 | .convert = bgr24_to_rgb24 |
1994 | }, | |
115329f1 | 1995 | [PIX_FMT_YUV420P] = { |
ef9f7306 | 1996 | .convert = bgr24_to_yuv420p |
524c6b63 | 1997 | }, |
115329f1 | 1998 | [PIX_FMT_GRAY8] = { |
69572401 FB |
1999 | .convert = bgr24_to_gray |
2000 | }, | |
524c6b63 FB |
2001 | }, |
2002 | [PIX_FMT_RGB555] = { | |
115329f1 | 2003 | [PIX_FMT_RGB24] = { |
7e7e5940 FB |
2004 | .convert = rgb555_to_rgb24 |
2005 | }, | |
115329f1 | 2006 | [PIX_FMT_RGBA32] = { |
7e7e5940 FB |
2007 | .convert = rgb555_to_rgba32 |
2008 | }, | |
115329f1 | 2009 | [PIX_FMT_YUV420P] = { |
ef9f7306 | 2010 | .convert = rgb555_to_yuv420p |
524c6b63 | 2011 | }, |
115329f1 | 2012 | [PIX_FMT_GRAY8] = { |
69572401 FB |
2013 | .convert = rgb555_to_gray |
2014 | }, | |
524c6b63 FB |
2015 | }, |
2016 | [PIX_FMT_RGB565] = { | |
115329f1 | 2017 | [PIX_FMT_RGB24] = { |
7e7e5940 FB |
2018 | .convert = rgb565_to_rgb24 |
2019 | }, | |
115329f1 | 2020 | [PIX_FMT_YUV420P] = { |
ef9f7306 | 2021 | .convert = rgb565_to_yuv420p |
524c6b63 | 2022 | }, |
115329f1 | 2023 | [PIX_FMT_GRAY8] = { |
69572401 FB |
2024 | .convert = rgb565_to_gray |
2025 | }, | |
524c6b63 FB |
2026 | }, |
2027 | [PIX_FMT_GRAY8] = { | |
115329f1 | 2028 | [PIX_FMT_RGB555] = { |
69572401 FB |
2029 | .convert = gray_to_rgb555 |
2030 | }, | |
115329f1 | 2031 | [PIX_FMT_RGB565] = { |
69572401 FB |
2032 | .convert = gray_to_rgb565 |
2033 | }, | |
115329f1 | 2034 | [PIX_FMT_RGB24] = { |
ef9f7306 | 2035 | .convert = gray_to_rgb24 |
524c6b63 | 2036 | }, |
115329f1 | 2037 | [PIX_FMT_BGR24] = { |
69572401 FB |
2038 | .convert = gray_to_bgr24 |
2039 | }, | |
115329f1 | 2040 | [PIX_FMT_RGBA32] = { |
69572401 FB |
2041 | .convert = gray_to_rgba32 |
2042 | }, | |
115329f1 | 2043 | [PIX_FMT_MONOWHITE] = { |
ef9f7306 | 2044 | .convert = gray_to_monowhite |
2a877875 | 2045 | }, |
115329f1 | 2046 | [PIX_FMT_MONOBLACK] = { |
ef9f7306 | 2047 | .convert = gray_to_monoblack |
2a877875 | 2048 | }, |
524c6b63 FB |
2049 | }, |
2050 | [PIX_FMT_MONOWHITE] = { | |
115329f1 | 2051 | [PIX_FMT_GRAY8] = { |
ef9f7306 | 2052 | .convert = monowhite_to_gray |
524c6b63 FB |
2053 | }, |
2054 | }, | |
2055 | [PIX_FMT_MONOBLACK] = { | |
115329f1 | 2056 | [PIX_FMT_GRAY8] = { |
ef9f7306 | 2057 | .convert = monoblack_to_gray |
524c6b63 FB |
2058 | }, |
2059 | }, | |
7e6d70d0 | 2060 | [PIX_FMT_PAL8] = { |
115329f1 | 2061 | [PIX_FMT_RGB555] = { |
7e6d70d0 FB |
2062 | .convert = pal8_to_rgb555 |
2063 | }, | |
115329f1 | 2064 | [PIX_FMT_RGB565] = { |
7e6d70d0 FB |
2065 | .convert = pal8_to_rgb565 |
2066 | }, | |
115329f1 | 2067 | [PIX_FMT_BGR24] = { |
7e6d70d0 FB |
2068 | .convert = pal8_to_bgr24 |
2069 | }, | |
115329f1 | 2070 | [PIX_FMT_RGB24] = { |
7e6d70d0 FB |
2071 | .convert = pal8_to_rgb24 |
2072 | }, | |
115329f1 | 2073 | [PIX_FMT_RGBA32] = { |
7e6d70d0 FB |
2074 | .convert = pal8_to_rgba32 |
2075 | }, | |
2076 | }, | |
115329f1 DB |
2077 | [PIX_FMT_UYVY411] = { |
2078 | [PIX_FMT_YUV411P] = { | |
f02be79d RS |
2079 | .convert = uyvy411_to_yuv411p, |
2080 | }, | |
2081 | }, | |
2082 | ||
524c6b63 FB |
2083 | }; |
2084 | ||
75917b88 | 2085 | int avpicture_alloc(AVPicture *picture, |
524c6b63 FB |
2086 | int pix_fmt, int width, int height) |
2087 | { | |
2d5545c3 | 2088 | int size; |
524c6b63 FB |
2089 | void *ptr; |
2090 | ||
2091 | size = avpicture_get_size(pix_fmt, width, height); | |
0ecca7a4 MN |
2092 | if(size<0) |
2093 | goto fail; | |
524c6b63 FB |
2094 | ptr = av_malloc(size); |
2095 | if (!ptr) | |
2096 | goto fail; | |
2097 | avpicture_fill(picture, ptr, pix_fmt, width, height); | |
2098 | return 0; | |
2099 | fail: | |
2100 | memset(picture, 0, sizeof(AVPicture)); | |
2101 | return -1; | |
2102 | } | |
2103 | ||
75917b88 | 2104 | void avpicture_free(AVPicture *picture) |
524c6b63 | 2105 | { |
8e1e6f31 | 2106 | av_free(picture->data[0]); |
524c6b63 FB |
2107 | } |
2108 | ||
c50c0bc8 | 2109 | /* return true if yuv planar */ |
62a05b5b | 2110 | static inline int is_yuv_planar(const PixFmtInfo *ps) |
c50c0bc8 FB |
2111 | { |
2112 | return (ps->color_type == FF_COLOR_YUV || | |
115329f1 | 2113 | ps->color_type == FF_COLOR_YUV_JPEG) && |
7e7e5940 | 2114 | ps->pixel_type == FF_PIXEL_PLANAR; |
c50c0bc8 FB |
2115 | } |
2116 | ||
f2651e7a BC |
2117 | /** |
2118 | * Crop image top and left side | |
2119 | */ | |
2120 | int img_crop(AVPicture *dst, const AVPicture *src, | |
2121 | int pix_fmt, int top_band, int left_band) | |
2122 | { | |
2123 | int y_shift; | |
2124 | int x_shift; | |
2125 | ||
2126 | if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB || !is_yuv_planar(&pix_fmt_info[pix_fmt])) | |
2127 | return -1; | |
2128 | ||
2129 | y_shift = pix_fmt_info[pix_fmt].y_chroma_shift; | |
2130 | x_shift = pix_fmt_info[pix_fmt].x_chroma_shift; | |
2131 | ||
2132 | dst->data[0] = src->data[0] + (top_band * src->linesize[0]) + left_band; | |
2133 | dst->data[1] = src->data[1] + ((top_band >> y_shift) * src->linesize[1]) + (left_band >> x_shift); | |
2134 | dst->data[2] = src->data[2] + ((top_band >> y_shift) * src->linesize[2]) + (left_band >> x_shift); | |
2135 | ||
2136 | dst->linesize[0] = src->linesize[0]; | |
2137 | dst->linesize[1] = src->linesize[1]; | |
2138 | dst->linesize[2] = src->linesize[2]; | |
2139 | return 0; | |
2140 | } | |
2141 | ||
5341c209 LA |
2142 | /** |
2143 | * Pad image | |
2144 | */ | |
2145 | int img_pad(AVPicture *dst, const AVPicture *src, int height, int width, int pix_fmt, | |
2146 | int padtop, int padbottom, int padleft, int padright, int *color) | |
2147 | { | |
2148 | uint8_t *optr, *iptr; | |
2149 | int y_shift; | |
2150 | int x_shift; | |
2151 | int yheight; | |
2152 | int i, y; | |
2153 | ||
2154 | if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB || !is_yuv_planar(&pix_fmt_info[pix_fmt])) | |
2155 | return -1; | |
2156 | ||
2157 | for (i = 0; i < 3; i++) { | |
2158 | x_shift = i ? pix_fmt_info[pix_fmt].x_chroma_shift : 0; | |
2159 | y_shift = i ? pix_fmt_info[pix_fmt].y_chroma_shift : 0; | |
2160 | ||
2161 | if (padtop || padleft) { | |
2162 | memset(dst->data[i], color[i], dst->linesize[i] * (padtop >> y_shift) + (padleft >> x_shift)); | |
2163 | } | |
2164 | ||
2165 | if (padleft || padright || src) { | |
2166 | if (src) { /* first line */ | |
2167 | iptr = src->data[i]; | |
2168 | optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) + (padleft >> x_shift); | |
2169 | memcpy(optr, iptr, src->linesize[i]); | |
2170 | iptr += src->linesize[i]; | |
2171 | } | |
2172 | optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) + (dst->linesize[i] - (padright >> x_shift)); | |
2173 | yheight = (height - 1 - (padtop + padbottom)) >> y_shift; | |
2174 | for (y = 0; y < yheight; y++) { | |
2175 | memset(optr, color[i], (padleft + padright) >> x_shift); | |
2176 | if (src) { | |
2177 | memcpy(optr + ((padleft + padright) >> x_shift), iptr, src->linesize[i]); | |
2178 | iptr += src->linesize[i]; | |
2179 | } | |
2180 | optr += dst->linesize[i]; | |
2181 | } | |
2182 | } | |
2183 | ||
2184 | if (padbottom || padright) { | |
2185 | optr = dst->data[i] + dst->linesize[i] * ((height - padbottom) >> y_shift) - (padright >> x_shift); | |
2186 | memset(optr, color[i], dst->linesize[i] * (padbottom >> y_shift) + (padright >> x_shift)); | |
2187 | } | |
2188 | } | |
2189 | return 0; | |
2190 | } | |
2191 | ||
790c9ca7 | 2192 | #ifndef CONFIG_SWSCALER |
85c242d8 FB |
2193 | /* XXX: always use linesize. Return -1 if not supported */ |
2194 | int img_convert(AVPicture *dst, int dst_pix_fmt, | |
115329f1 | 2195 | const AVPicture *src, int src_pix_fmt, |
524c6b63 | 2196 | int src_width, int src_height) |
85c242d8 | 2197 | { |
c50c0bc8 | 2198 | static int inited; |
2a877875 | 2199 | int i, ret, dst_width, dst_height, int_pix_fmt; |
62a05b5b SH |
2200 | const PixFmtInfo *src_pix, *dst_pix; |
2201 | const ConvertEntry *ce; | |
524c6b63 FB |
2202 | AVPicture tmp1, *tmp = &tmp1; |
2203 | ||
2204 | if (src_pix_fmt < 0 || src_pix_fmt >= PIX_FMT_NB || | |
2205 | dst_pix_fmt < 0 || dst_pix_fmt >= PIX_FMT_NB) | |
2206 | return -1; | |
2207 | if (src_width <= 0 || src_height <= 0) | |
2208 | return 0; | |
69572401 | 2209 | |
c50c0bc8 FB |
2210 | if (!inited) { |
2211 | inited = 1; | |
2212 | img_convert_init(); | |
2213 | } | |
2214 | ||
524c6b63 FB |
2215 | dst_width = src_width; |
2216 | dst_height = src_height; | |
69572401 | 2217 | |
524c6b63 FB |
2218 | dst_pix = &pix_fmt_info[dst_pix_fmt]; |
2219 | src_pix = &pix_fmt_info[src_pix_fmt]; | |
2220 | if (src_pix_fmt == dst_pix_fmt) { | |
7e7e5940 FB |
2221 | /* no conversion needed: just copy */ |
2222 | img_copy(dst, src, dst_pix_fmt, dst_width, dst_height); | |
524c6b63 FB |
2223 | return 0; |
2224 | } | |
2225 | ||
2226 | ce = &convert_table[src_pix_fmt][dst_pix_fmt]; | |
2227 | if (ce->convert) { | |
ebb177dd | 2228 | /* specific conversion routine */ |
524c6b63 FB |
2229 | ce->convert(dst, src, dst_width, dst_height); |
2230 | return 0; | |
2231 | } | |
2232 | ||
524c6b63 | 2233 | /* gray to YUV */ |
c50c0bc8 | 2234 | if (is_yuv_planar(dst_pix) && |
b6147995 | 2235 | src_pix_fmt == PIX_FMT_GRAY8) { |
524c6b63 FB |
2236 | int w, h, y; |
2237 | uint8_t *d; | |
2238 | ||
b6147995 | 2239 | if (dst_pix->color_type == FF_COLOR_YUV_JPEG) { |
54009d42 | 2240 | ff_img_copy_plane(dst->data[0], dst->linesize[0], |
b6147995 FB |
2241 | src->data[0], src->linesize[0], |
2242 | dst_width, dst_height); | |
2243 | } else { | |
c50c0bc8 FB |
2244 | img_apply_table(dst->data[0], dst->linesize[0], |
2245 | src->data[0], src->linesize[0], | |
2246 | dst_width, dst_height, | |
2247 | y_jpeg_to_ccir); | |
b6147995 | 2248 | } |
524c6b63 FB |
2249 | /* fill U and V with 128 */ |
2250 | w = dst_width; | |
2251 | h = dst_height; | |
2252 | w >>= dst_pix->x_chroma_shift; | |
2253 | h >>= dst_pix->y_chroma_shift; | |
2254 | for(i = 1; i <= 2; i++) { | |
2255 | d = dst->data[i]; | |
2a877875 FB |
2256 | for(y = 0; y< h; y++) { |
2257 | memset(d, 128, w); | |
524c6b63 FB |
2258 | d += dst->linesize[i]; |
2259 | } | |
b71472eb | 2260 | } |
524c6b63 FB |
2261 | return 0; |
2262 | } | |
2263 | ||
2264 | /* YUV to gray */ | |
115329f1 | 2265 | if (is_yuv_planar(src_pix) && |
b6147995 FB |
2266 | dst_pix_fmt == PIX_FMT_GRAY8) { |
2267 | if (src_pix->color_type == FF_COLOR_YUV_JPEG) { | |
54009d42 | 2268 | ff_img_copy_plane(dst->data[0], dst->linesize[0], |
b6147995 FB |
2269 | src->data[0], src->linesize[0], |
2270 | dst_width, dst_height); | |
2271 | } else { | |
c50c0bc8 FB |
2272 | img_apply_table(dst->data[0], dst->linesize[0], |
2273 | src->data[0], src->linesize[0], | |
2274 | dst_width, dst_height, | |
2275 | y_ccir_to_jpeg); | |
b6147995 | 2276 | } |
524c6b63 FB |
2277 | return 0; |
2278 | } | |
2279 | ||
c50c0bc8 FB |
2280 | /* YUV to YUV planar */ |
2281 | if (is_yuv_planar(dst_pix) && is_yuv_planar(src_pix)) { | |
e352ff08 | 2282 | int x_shift, y_shift, w, h, xy_shift; |
115329f1 | 2283 | void (*resize_func)(uint8_t *dst, int dst_wrap, |
e352ff08 | 2284 | const uint8_t *src, int src_wrap, |
524c6b63 FB |
2285 | int width, int height); |
2286 | ||
2287 | /* compute chroma size of the smallest dimensions */ | |
2288 | w = dst_width; | |
2289 | h = dst_height; | |
2290 | if (dst_pix->x_chroma_shift >= src_pix->x_chroma_shift) | |
2291 | w >>= dst_pix->x_chroma_shift; | |
2292 | else | |
2293 | w >>= src_pix->x_chroma_shift; | |
2294 | if (dst_pix->y_chroma_shift >= src_pix->y_chroma_shift) | |
2295 | h >>= dst_pix->y_chroma_shift; | |
2296 | else | |
2297 | h >>= src_pix->y_chroma_shift; | |
2298 | ||
2299 | x_shift = (dst_pix->x_chroma_shift - src_pix->x_chroma_shift); | |
2300 | y_shift = (dst_pix->y_chroma_shift - src_pix->y_chroma_shift); | |
e352ff08 FB |
2301 | xy_shift = ((x_shift & 0xf) << 4) | (y_shift & 0xf); |
2302 | /* there must be filters for conversion at least from and to | |
2303 | YUV444 format */ | |
2304 | switch(xy_shift) { | |
2305 | case 0x00: | |
54009d42 | 2306 | resize_func = ff_img_copy_plane; |
e352ff08 FB |
2307 | break; |
2308 | case 0x10: | |
2309 | resize_func = shrink21; | |
2310 | break; | |
2311 | case 0x20: | |
2312 | resize_func = shrink41; | |
2313 | break; | |
2314 | case 0x01: | |
2315 | resize_func = shrink12; | |
2316 | break; | |
2317 | case 0x11: | |
54009d42 | 2318 | resize_func = ff_shrink22; |
e352ff08 FB |
2319 | break; |
2320 | case 0x22: | |
54009d42 | 2321 | resize_func = ff_shrink44; |
e352ff08 FB |
2322 | break; |
2323 | case 0xf0: | |
2324 | resize_func = grow21; | |
2325 | break; | |
2326 | case 0xe0: | |
2327 | resize_func = grow41; | |
2328 | break; | |
2329 | case 0xff: | |
524c6b63 | 2330 | resize_func = grow22; |
e352ff08 FB |
2331 | break; |
2332 | case 0xee: | |
2333 | resize_func = grow44; | |
2334 | break; | |
2335 | case 0xf1: | |
524c6b63 | 2336 | resize_func = conv411; |
e352ff08 FB |
2337 | break; |
2338 | default: | |
524c6b63 | 2339 | /* currently not handled */ |
e352ff08 | 2340 | goto no_chroma_filter; |
85c242d8 | 2341 | } |
524c6b63 | 2342 | |
54009d42 | 2343 | ff_img_copy_plane(dst->data[0], dst->linesize[0], |
7e7e5940 FB |
2344 | src->data[0], src->linesize[0], |
2345 | dst_width, dst_height); | |
566986ee | 2346 | |
524c6b63 | 2347 | for(i = 1;i <= 2; i++) |
566986ee MK |
2348 | resize_func(dst->data[i], dst->linesize[i], |
2349 | src->data[i], src->linesize[i], | |
185fdc54 | 2350 | dst_width>>dst_pix->x_chroma_shift, dst_height>>dst_pix->y_chroma_shift); |
c50c0bc8 FB |
2351 | /* if yuv color space conversion is needed, we do it here on |
2352 | the destination image */ | |
2353 | if (dst_pix->color_type != src_pix->color_type) { | |
2354 | const uint8_t *y_table, *c_table; | |
2355 | if (dst_pix->color_type == FF_COLOR_YUV) { | |
2356 | y_table = y_jpeg_to_ccir; | |
2357 | c_table = c_jpeg_to_ccir; | |
2358 | } else { | |
2359 | y_table = y_ccir_to_jpeg; | |
2360 | c_table = c_ccir_to_jpeg; | |
2361 | } | |
2362 | img_apply_table(dst->data[0], dst->linesize[0], | |
2363 | dst->data[0], dst->linesize[0], | |
2364 | dst_width, dst_height, | |
2365 | y_table); | |
2366 | ||
2367 | for(i = 1;i <= 2; i++) | |
2368 | img_apply_table(dst->data[i], dst->linesize[i], | |
2369 | dst->data[i], dst->linesize[i], | |
115329f1 | 2370 | dst_width>>dst_pix->x_chroma_shift, |
c50c0bc8 FB |
2371 | dst_height>>dst_pix->y_chroma_shift, |
2372 | c_table); | |
2373 | } | |
2374 | return 0; | |
85c242d8 | 2375 | } |
e352ff08 | 2376 | no_chroma_filter: |
524c6b63 | 2377 | |
2a877875 | 2378 | /* try to use an intermediate format */ |
c50c0bc8 FB |
2379 | if (src_pix_fmt == PIX_FMT_YUV422 || |
2380 | dst_pix_fmt == PIX_FMT_YUV422) { | |
2381 | /* specific case: convert to YUV422P first */ | |
2382 | int_pix_fmt = PIX_FMT_YUV422P; | |
ebb177dd TK |
2383 | } else if (src_pix_fmt == PIX_FMT_UYVY422 || |
2384 | dst_pix_fmt == PIX_FMT_UYVY422) { | |
2385 | /* specific case: convert to YUV422P first */ | |
2386 | int_pix_fmt = PIX_FMT_YUV422P; | |
f02be79d RS |
2387 | } else if (src_pix_fmt == PIX_FMT_UYVY411 || |
2388 | dst_pix_fmt == PIX_FMT_UYVY411) { | |
2389 | /* specific case: convert to YUV411P first */ | |
2390 | int_pix_fmt = PIX_FMT_YUV411P; | |
c50c0bc8 | 2391 | } else if ((src_pix->color_type == FF_COLOR_GRAY && |
115329f1 | 2392 | src_pix_fmt != PIX_FMT_GRAY8) || |
c50c0bc8 FB |
2393 | (dst_pix->color_type == FF_COLOR_GRAY && |
2394 | dst_pix_fmt != PIX_FMT_GRAY8)) { | |
2395 | /* gray8 is the normalized format */ | |
2a877875 | 2396 | int_pix_fmt = PIX_FMT_GRAY8; |
115329f1 | 2397 | } else if ((is_yuv_planar(src_pix) && |
c50c0bc8 FB |
2398 | src_pix_fmt != PIX_FMT_YUV444P && |
2399 | src_pix_fmt != PIX_FMT_YUVJ444P)) { | |
2400 | /* yuv444 is the normalized format */ | |
2401 | if (src_pix->color_type == FF_COLOR_YUV_JPEG) | |
2402 | int_pix_fmt = PIX_FMT_YUVJ444P; | |
2403 | else | |
2404 | int_pix_fmt = PIX_FMT_YUV444P; | |
115329f1 | 2405 | } else if ((is_yuv_planar(dst_pix) && |
c50c0bc8 FB |
2406 | dst_pix_fmt != PIX_FMT_YUV444P && |
2407 | dst_pix_fmt != PIX_FMT_YUVJ444P)) { | |
2408 | /* yuv444 is the normalized format */ | |
2409 | if (dst_pix->color_type == FF_COLOR_YUV_JPEG) | |
2410 | int_pix_fmt = PIX_FMT_YUVJ444P; | |
2411 | else | |
2412 | int_pix_fmt = PIX_FMT_YUV444P; | |
2a877875 | 2413 | } else { |
c50c0bc8 FB |
2414 | /* the two formats are rgb or gray8 or yuv[j]444p */ |
2415 | if (src_pix->is_alpha && dst_pix->is_alpha) | |
2416 | int_pix_fmt = PIX_FMT_RGBA32; | |
2417 | else | |
2418 | int_pix_fmt = PIX_FMT_RGB24; | |
2a877875 FB |
2419 | } |
2420 | if (avpicture_alloc(tmp, int_pix_fmt, dst_width, dst_height) < 0) | |
2421 | return -1; | |
2422 | ret = -1; | |
2423 | if (img_convert(tmp, int_pix_fmt, | |
2424 | src, src_pix_fmt, src_width, src_height) < 0) | |
2425 | goto fail1; | |
2426 | if (img_convert(dst, dst_pix_fmt, | |
2427 | tmp, int_pix_fmt, dst_width, dst_height) < 0) | |
2428 | goto fail1; | |
2429 | ret = 0; | |
2430 | fail1: | |
2431 | avpicture_free(tmp); | |
2432 | return ret; | |
85c242d8 | 2433 | } |
790c9ca7 | 2434 | #endif |
85c242d8 | 2435 | |
0469baf1 | 2436 | /* NOTE: we scan all the pixels to have an exact information */ |
da64ecc3 | 2437 | static int get_alpha_info_pal8(const AVPicture *src, int width, int height) |
0469baf1 FB |
2438 | { |
2439 | const unsigned char *p; | |
2440 | int src_wrap, ret, x, y; | |
2441 | unsigned int a; | |
2442 | uint32_t *palette = (uint32_t *)src->data[1]; | |
115329f1 | 2443 | |
0469baf1 FB |
2444 | p = src->data[0]; |
2445 | src_wrap = src->linesize[0] - width; | |
2446 | ret = 0; | |
2447 | for(y=0;y<height;y++) { | |
2448 | for(x=0;x<width;x++) { | |
2449 | a = palette[p[0]] >> 24; | |
2450 | if (a == 0x00) { | |
2451 | ret |= FF_ALPHA_TRANSP; | |
2452 | } else if (a != 0xff) { | |
2453 | ret |= FF_ALPHA_SEMI_TRANSP; | |
2454 | } | |
2455 | p++; | |
2456 | } | |
2457 | p += src_wrap; | |
2458 | } | |
2459 | return ret; | |
2460 | } | |
2461 | ||
2462 | /** | |
2463 | * Tell if an image really has transparent alpha values. | |
2464 | * @return ored mask of FF_ALPHA_xxx constants | |
2465 | */ | |
da64ecc3 | 2466 | int img_get_alpha_info(const AVPicture *src, |
bb270c08 | 2467 | int pix_fmt, int width, int height) |
0469baf1 | 2468 | { |
62a05b5b | 2469 | const PixFmtInfo *pf = &pix_fmt_info[pix_fmt]; |
0469baf1 FB |
2470 | int ret; |
2471 | ||
2472 | pf = &pix_fmt_info[pix_fmt]; | |
2473 | /* no alpha can be represented in format */ | |
2474 | if (!pf->is_alpha) | |
2475 | return 0; | |
2476 | switch(pix_fmt) { | |
2477 | case PIX_FMT_RGBA32: | |
2478 | ret = get_alpha_info_rgba32(src, width, height); | |
2479 | break; | |
2480 | case PIX_FMT_RGB555: | |
2481 | ret = get_alpha_info_rgb555(src, width, height); | |
2482 | break; | |
2483 | case PIX_FMT_PAL8: | |
2484 | ret = get_alpha_info_pal8(src, width, height); | |
2485 | break; | |
2486 | default: | |
2487 | /* we do not know, so everything is indicated */ | |
2488 | ret = FF_ALPHA_TRANSP | FF_ALPHA_SEMI_TRANSP; | |
2489 | break; | |
2490 | } | |
2491 | return ret; | |
2492 | } | |
5981f4e6 F |
2493 | |
2494 | #ifdef HAVE_MMX | |
2495 | #define DEINT_INPLACE_LINE_LUM \ | |
2496 | movd_m2r(lum_m4[0],mm0);\ | |
2497 | movd_m2r(lum_m3[0],mm1);\ | |
2498 | movd_m2r(lum_m2[0],mm2);\ | |
2499 | movd_m2r(lum_m1[0],mm3);\ | |
2500 | movd_m2r(lum[0],mm4);\ | |
2501 | punpcklbw_r2r(mm7,mm0);\ | |
2502 | movd_r2m(mm2,lum_m4[0]);\ | |
2503 | punpcklbw_r2r(mm7,mm1);\ | |
2504 | punpcklbw_r2r(mm7,mm2);\ | |
2505 | punpcklbw_r2r(mm7,mm3);\ | |
2506 | punpcklbw_r2r(mm7,mm4);\ | |
2507 | paddw_r2r(mm3,mm1);\ | |
2508 | psllw_i2r(1,mm2);\ | |
2509 | paddw_r2r(mm4,mm0);\ | |
2510 | psllw_i2r(2,mm1);\ | |
2511 | paddw_r2r(mm6,mm2);\ | |
2512 | paddw_r2r(mm2,mm1);\ | |
2513 | psubusw_r2r(mm0,mm1);\ | |
2514 | psrlw_i2r(3,mm1);\ | |
2515 | packuswb_r2r(mm7,mm1);\ | |
2516 | movd_r2m(mm1,lum_m2[0]); | |
2517 | ||
2518 | #define DEINT_LINE_LUM \ | |
2519 | movd_m2r(lum_m4[0],mm0);\ | |
2520 | movd_m2r(lum_m3[0],mm1);\ | |
2521 | movd_m2r(lum_m2[0],mm2);\ | |
2522 | movd_m2r(lum_m1[0],mm3);\ | |
2523 | movd_m2r(lum[0],mm4);\ | |
2524 | punpcklbw_r2r(mm7,mm0);\ | |
2525 | punpcklbw_r2r(mm7,mm1);\ | |
2526 | punpcklbw_r2r(mm7,mm2);\ | |
2527 | punpcklbw_r2r(mm7,mm3);\ | |
2528 | punpcklbw_r2r(mm7,mm4);\ | |
2529 | paddw_r2r(mm3,mm1);\ | |
2530 | psllw_i2r(1,mm2);\ | |
2531 | paddw_r2r(mm4,mm0);\ | |
2532 | psllw_i2r(2,mm1);\ | |
2533 | paddw_r2r(mm6,mm2);\ | |
2534 | paddw_r2r(mm2,mm1);\ | |
2535 | psubusw_r2r(mm0,mm1);\ | |
2536 | psrlw_i2r(3,mm1);\ | |
2537 | packuswb_r2r(mm7,mm1);\ | |
2538 | movd_r2m(mm1,dst[0]); | |
2539 | #endif | |
2540 | ||
85c242d8 | 2541 | /* filter parameters: [-1 4 2 4 -1] // 8 */ |
115329f1 | 2542 | static void deinterlace_line(uint8_t *dst, |
bb270c08 DB |
2543 | const uint8_t *lum_m4, const uint8_t *lum_m3, |
2544 | const uint8_t *lum_m2, const uint8_t *lum_m1, | |
2545 | const uint8_t *lum, | |
2546 | int size) | |
85c242d8 | 2547 | { |
5981f4e6 | 2548 | #ifndef HAVE_MMX |
0c1a9eda | 2549 | uint8_t *cm = cropTbl + MAX_NEG_CROP; |
85c242d8 | 2550 | int sum; |
85c242d8 FB |
2551 | |
2552 | for(;size > 0;size--) { | |
5981f4e6 F |
2553 | sum = -lum_m4[0]; |
2554 | sum += lum_m3[0] << 2; | |
2555 | sum += lum_m2[0] << 1; | |
2556 | sum += lum_m1[0] << 2; | |
2557 | sum += -lum[0]; | |
85c242d8 | 2558 | dst[0] = cm[(sum + 4) >> 3]; |
5981f4e6 F |
2559 | lum_m4++; |
2560 | lum_m3++; | |
2561 | lum_m2++; | |
2562 | lum_m1++; | |
2563 | lum++; | |
85c242d8 | 2564 | dst++; |
85c242d8 | 2565 | } |
5981f4e6 F |
2566 | #else |
2567 | ||
782c5984 MN |
2568 | { |
2569 | mmx_t rounder; | |
2570 | rounder.uw[0]=4; | |
2571 | rounder.uw[1]=4; | |
2572 | rounder.uw[2]=4; | |
2573 | rounder.uw[3]=4; | |
2574 | pxor_r2r(mm7,mm7); | |
2575 | movq_m2r(rounder,mm6); | |
2576 | } | |
5981f4e6 F |
2577 | for (;size > 3; size-=4) { |
2578 | DEINT_LINE_LUM | |
2579 | lum_m4+=4; | |
2580 | lum_m3+=4; | |
2581 | lum_m2+=4; | |
2582 | lum_m1+=4; | |
2583 | lum+=4; | |
2584 | dst+=4; | |
2585 | } | |
2586 | #endif | |
2587 | } | |
0c1a9eda | 2588 | static void deinterlace_line_inplace(uint8_t *lum_m4, uint8_t *lum_m3, uint8_t *lum_m2, uint8_t *lum_m1, uint8_t *lum, |
5981f4e6 F |
2589 | int size) |
2590 | { | |
2591 | #ifndef HAVE_MMX | |
0c1a9eda | 2592 | uint8_t *cm = cropTbl + MAX_NEG_CROP; |
5981f4e6 F |
2593 | int sum; |
2594 | ||
2595 | for(;size > 0;size--) { | |
2596 | sum = -lum_m4[0]; | |
2597 | sum += lum_m3[0] << 2; | |
2598 | sum += lum_m2[0] << 1; | |
2599 | lum_m4[0]=lum_m2[0]; | |
2600 | sum += lum_m1[0] << 2; | |
2601 | sum += -lum[0]; | |
2602 | lum_m2[0] = cm[(sum + 4) >> 3]; | |
2603 | lum_m4++; | |
2604 | lum_m3++; | |
2605 | lum_m2++; | |
2606 | lum_m1++; | |
2607 | lum++; | |
2608 | } | |
2609 | #else | |
2610 | ||
782c5984 MN |
2611 | { |
2612 | mmx_t rounder; | |
2613 | rounder.uw[0]=4; | |
2614 | rounder.uw[1]=4; | |
2615 | rounder.uw[2]=4; | |
2616 | rounder.uw[3]=4; | |
2617 | pxor_r2r(mm7,mm7); | |
2618 | movq_m2r(rounder,mm6); | |
2619 | } | |
5981f4e6 F |
2620 | for (;size > 3; size-=4) { |
2621 | DEINT_INPLACE_LINE_LUM | |
2622 | lum_m4+=4; | |
2623 | lum_m3+=4; | |
2624 | lum_m2+=4; | |
2625 | lum_m1+=4; | |
2626 | lum+=4; | |
2627 | } | |
2628 | #endif | |
85c242d8 FB |
2629 | } |
2630 | ||
2631 | /* deinterlacing : 2 temporal taps, 3 spatial taps linear filter. The | |
2632 | top field is copied as is, but the bottom field is deinterlaced | |
2633 | against the top field. */ | |
0c1a9eda | 2634 | static void deinterlace_bottom_field(uint8_t *dst, int dst_wrap, |
da64ecc3 | 2635 | const uint8_t *src1, int src_wrap, |
5981f4e6 | 2636 | int width, int height) |
85c242d8 | 2637 | { |
da64ecc3 | 2638 | const uint8_t *src_m2, *src_m1, *src_0, *src_p1, *src_p2; |
5981f4e6 F |
2639 | int y; |
2640 | ||
2641 | src_m2 = src1; | |
2642 | src_m1 = src1; | |
2643 | src_0=&src_m1[src_wrap]; | |
2644 | src_p1=&src_0[src_wrap]; | |
2645 | src_p2=&src_p1[src_wrap]; | |
2646 | for(y=0;y<(height-2);y+=2) { | |
2647 | memcpy(dst,src_m1,width); | |
85c242d8 | 2648 | dst += dst_wrap; |
5981f4e6 F |
2649 | deinterlace_line(dst,src_m2,src_m1,src_0,src_p1,src_p2,width); |
2650 | src_m2 = src_0; | |
2651 | src_m1 = src_p1; | |
2652 | src_0 = src_p2; | |
2653 | src_p1 += 2*src_wrap; | |
2654 | src_p2 += 2*src_wrap; | |
85c242d8 | 2655 | dst += dst_wrap; |
85c242d8 | 2656 | } |
5981f4e6 F |
2657 | memcpy(dst,src_m1,width); |
2658 | dst += dst_wrap; | |
2659 | /* do last line */ | |
2660 | deinterlace_line(dst,src_m2,src_m1,src_0,src_0,src_0,width); | |
2661 | } | |
2662 | ||
0c1a9eda | 2663 | static void deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap, |
bb270c08 | 2664 | int width, int height) |
5981f4e6 | 2665 | { |
0c1a9eda | 2666 | uint8_t *src_m1, *src_0, *src_p1, *src_p2; |
5981f4e6 | 2667 | int y; |
0c1a9eda ZK |
2668 | uint8_t *buf; |
2669 | buf = (uint8_t*)av_malloc(width); | |
5981f4e6 F |
2670 | |
2671 | src_m1 = src1; | |
2672 | memcpy(buf,src_m1,width); | |
2673 | src_0=&src_m1[src_wrap]; | |
2674 | src_p1=&src_0[src_wrap]; | |
2675 | src_p2=&src_p1[src_wrap]; | |
2676 | for(y=0;y<(height-2);y+=2) { | |
2677 | deinterlace_line_inplace(buf,src_m1,src_0,src_p1,src_p2,width); | |
2678 | src_m1 = src_p1; | |
2679 | src_0 = src_p2; | |
2680 | src_p1 += 2*src_wrap; | |
2681 | src_p2 += 2*src_wrap; | |
2682 | } | |
2683 | /* do last line */ | |
2684 | deinterlace_line_inplace(buf,src_m1,src_0,src_0,src_0,width); | |
6000abfa | 2685 | av_free(buf); |
85c242d8 FB |
2686 | } |
2687 | ||
2688 | ||
5981f4e6 | 2689 | /* deinterlace - if not supported return -1 */ |
da64ecc3 | 2690 | int avpicture_deinterlace(AVPicture *dst, const AVPicture *src, |
de6d9b64 FB |
2691 | int pix_fmt, int width, int height) |
2692 | { | |
85c242d8 FB |
2693 | int i; |
2694 | ||
2695 | if (pix_fmt != PIX_FMT_YUV420P && | |
2696 | pix_fmt != PIX_FMT_YUV422P && | |
47017dd8 | 2697 | pix_fmt != PIX_FMT_YUV444P && |
bb270c08 | 2698 | pix_fmt != PIX_FMT_YUV411P) |
85c242d8 | 2699 | return -1; |
5981f4e6 | 2700 | if ((width & 3) != 0 || (height & 3) != 0) |
85c242d8 | 2701 | return -1; |
5981f4e6 | 2702 | |
85c242d8 FB |
2703 | for(i=0;i<3;i++) { |
2704 | if (i == 1) { | |
2705 | switch(pix_fmt) { | |
2706 | case PIX_FMT_YUV420P: | |
2707 | width >>= 1; | |
2708 | height >>= 1; | |
2709 | break; | |
2710 | case PIX_FMT_YUV422P: | |
2711 | width >>= 1; | |
2712 | break; | |
47017dd8 RS |
2713 | case PIX_FMT_YUV411P: |
2714 | width >>= 2; | |
2715 | break; | |
85c242d8 FB |
2716 | default: |
2717 | break; | |
2718 | } | |
2719 | } | |
5981f4e6 | 2720 | if (src == dst) { |
da64ecc3 | 2721 | deinterlace_bottom_field_inplace(dst->data[i], dst->linesize[i], |
85c242d8 | 2722 | width, height); |
5981f4e6 F |
2723 | } else { |
2724 | deinterlace_bottom_field(dst->data[i],dst->linesize[i], | |
2725 | src->data[i], src->linesize[i], | |
2726 | width, height); | |
2727 | } | |
de6d9b64 | 2728 | } |
5981f4e6 F |
2729 | #ifdef HAVE_MMX |
2730 | emms(); | |
2731 | #endif | |
85c242d8 | 2732 | return 0; |
de6d9b64 | 2733 | } |
cd4af68a ZK |
2734 | |
2735 | #undef FIX |