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 | * |
ff4ec49e FB |
5 | * This library is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU Lesser General Public | |
7 | * License as published by the Free Software Foundation; either | |
8 | * version 2 of the License, or (at your option) any later version. | |
de6d9b64 | 9 | * |
ff4ec49e | 10 | * This library is distributed in the hope that it will be useful, |
de6d9b64 | 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
ff4ec49e FB |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | * Lesser General Public License for more details. | |
de6d9b64 | 14 | * |
ff4ec49e FB |
15 | * You should have received a copy of the GNU Lesser General Public |
16 | * License along with this library; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
de6d9b64 | 18 | */ |
de6d9b64 | 19 | #include "avcodec.h" |
85c242d8 | 20 | #include "dsputil.h" |
de6d9b64 | 21 | |
54329dd5 NK |
22 | #ifdef USE_FASTMEMCPY |
23 | #include "fastmemcpy.h" | |
24 | #endif | |
5981f4e6 F |
25 | |
26 | #ifdef HAVE_MMX | |
27 | #include "i386/mmx.h" | |
28 | #endif | |
524c6b63 FB |
29 | |
30 | typedef struct PixFmtInfo { | |
31 | const char *name; | |
32 | UINT8 nb_components; /* number of components in AVPicture array */ | |
33 | UINT8 is_yuv : 1; /* true if YUV instead of RGB color space */ | |
34 | UINT8 is_packed : 1; /* true if multiple components in same word */ | |
35 | UINT8 is_paletted : 1; /* true if paletted */ | |
36 | UINT8 is_alpha : 1; /* true if alpha can be specified */ | |
37 | UINT8 is_gray : 1; /* true if gray or monochrome format */ | |
38 | UINT8 x_chroma_shift; /* X chroma subsampling factor is 2 ^ shift */ | |
39 | UINT8 y_chroma_shift; /* Y chroma subsampling factor is 2 ^ shift */ | |
40 | } PixFmtInfo; | |
41 | ||
42 | /* this table gives more information about formats */ | |
43 | static PixFmtInfo pix_fmt_info[PIX_FMT_NB] = { | |
44 | /* YUV formats */ | |
45 | [PIX_FMT_YUV420P] = { | |
ef9f7306 MR |
46 | .name = "yuv420p", |
47 | .nb_components = 3, .is_yuv = 1, | |
48 | .x_chroma_shift = 1, .y_chroma_shift = 1, | |
524c6b63 FB |
49 | }, |
50 | [PIX_FMT_YUV422P] = { | |
ef9f7306 MR |
51 | .name = "yuv422p", |
52 | .nb_components = 3, .is_yuv = 1, | |
53 | .x_chroma_shift = 1, .y_chroma_shift = 0, | |
524c6b63 FB |
54 | }, |
55 | [PIX_FMT_YUV444P] = { | |
ef9f7306 MR |
56 | .name = "yuv444p", |
57 | .nb_components = 3, .is_yuv = 1, | |
58 | .x_chroma_shift = 0, .y_chroma_shift = 0, | |
524c6b63 FB |
59 | }, |
60 | [PIX_FMT_YUV422] = { | |
ef9f7306 MR |
61 | .name = "yuv422", |
62 | .nb_components = 1, .is_yuv = 1, .is_packed = 1, | |
63 | .x_chroma_shift = 1, .y_chroma_shift = 0, | |
524c6b63 FB |
64 | }, |
65 | [PIX_FMT_YUV410P] = { | |
ef9f7306 MR |
66 | .name = "yuv410p", |
67 | .nb_components = 3, .is_yuv = 1, | |
68 | .x_chroma_shift = 2, .y_chroma_shift = 2, | |
524c6b63 FB |
69 | }, |
70 | [PIX_FMT_YUV411P] = { | |
ef9f7306 MR |
71 | .name = "yuv411p", |
72 | .nb_components = 3, .is_yuv = 1, | |
73 | .x_chroma_shift = 2, .y_chroma_shift = 0, | |
524c6b63 FB |
74 | }, |
75 | ||
76 | /* RGB formats */ | |
77 | [PIX_FMT_RGB24] = { | |
ef9f7306 MR |
78 | .name = "rgb24", |
79 | .nb_components = 1, .is_packed = 1, | |
524c6b63 FB |
80 | }, |
81 | [PIX_FMT_BGR24] = { | |
ef9f7306 MR |
82 | .name = "bgr24", |
83 | .nb_components = 1, .is_packed = 1, | |
524c6b63 FB |
84 | }, |
85 | [PIX_FMT_RGBA32] = { | |
ef9f7306 MR |
86 | .name = "rgba32", |
87 | .nb_components = 1, .is_packed = 1, .is_alpha = 1, | |
524c6b63 FB |
88 | }, |
89 | [PIX_FMT_RGB565] = { | |
ef9f7306 MR |
90 | .name = "rgb565", |
91 | .nb_components = 1, .is_packed = 1, | |
524c6b63 FB |
92 | }, |
93 | [PIX_FMT_RGB555] = { | |
ef9f7306 MR |
94 | .name = "rgb555", |
95 | .nb_components = 1, .is_packed = 1, .is_alpha = 1, | |
524c6b63 FB |
96 | }, |
97 | ||
98 | /* gray / mono formats */ | |
99 | [PIX_FMT_GRAY8] = { | |
ef9f7306 MR |
100 | .name = "gray", |
101 | .nb_components = 1, .is_gray = 1, | |
524c6b63 FB |
102 | }, |
103 | [PIX_FMT_MONOWHITE] = { | |
ef9f7306 MR |
104 | .name = "monow", |
105 | .nb_components = 1, .is_packed = 1, .is_gray = 1, | |
524c6b63 FB |
106 | }, |
107 | [PIX_FMT_MONOBLACK] = { | |
ef9f7306 MR |
108 | .name = "monob", |
109 | .nb_components = 1, .is_packed = 1, .is_gray = 1, | |
524c6b63 | 110 | }, |
7e6d70d0 FB |
111 | |
112 | /* paletted formats */ | |
113 | [PIX_FMT_PAL8] = { | |
114 | .name = "pal8", | |
115 | .nb_components = 1, .is_packed = 1, .is_paletted = 1, | |
116 | }, | |
524c6b63 FB |
117 | }; |
118 | ||
119 | void avcodec_get_chroma_sub_sample(int pix_fmt, int *h_shift, int *v_shift) | |
120 | { | |
121 | if (pix_fmt_info[pix_fmt].is_yuv) { | |
122 | *h_shift = pix_fmt_info[pix_fmt].x_chroma_shift; | |
123 | *v_shift = pix_fmt_info[pix_fmt].y_chroma_shift; | |
124 | } else { | |
125 | *h_shift=0; | |
126 | *v_shift=0; | |
127 | } | |
128 | } | |
129 | ||
130 | const char *avcodec_get_pix_fmt_name(int pix_fmt) | |
131 | { | |
132 | if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB) | |
133 | return "???"; | |
134 | else | |
135 | return pix_fmt_info[pix_fmt].name; | |
136 | } | |
137 | ||
2a877875 FB |
138 | /* Picture field are filled with 'ptr' addresses. Also return size */ |
139 | int avpicture_fill(AVPicture *picture, UINT8 *ptr, | |
140 | int pix_fmt, int width, int height) | |
141 | { | |
4c7e8619 FB |
142 | int size, w2, h2, size2; |
143 | PixFmtInfo *pinfo; | |
144 | ||
145 | pinfo = &pix_fmt_info[pix_fmt]; | |
2a877875 FB |
146 | size = width * height; |
147 | switch(pix_fmt) { | |
148 | case PIX_FMT_YUV420P: | |
4c7e8619 FB |
149 | case PIX_FMT_YUV422P: |
150 | case PIX_FMT_YUV444P: | |
151 | case PIX_FMT_YUV410P: | |
152 | case PIX_FMT_YUV411P: | |
153 | w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift; | |
154 | h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift; | |
155 | size2 = w2 * h2; | |
2a877875 FB |
156 | picture->data[0] = ptr; |
157 | picture->data[1] = picture->data[0] + size; | |
4c7e8619 | 158 | picture->data[2] = picture->data[1] + size2; |
2a877875 | 159 | picture->linesize[0] = width; |
4c7e8619 FB |
160 | picture->linesize[1] = w2; |
161 | picture->linesize[2] = w2; | |
162 | return size + 2 * size2; | |
2a877875 FB |
163 | case PIX_FMT_RGB24: |
164 | case PIX_FMT_BGR24: | |
165 | picture->data[0] = ptr; | |
166 | picture->data[1] = NULL; | |
167 | picture->data[2] = NULL; | |
168 | picture->linesize[0] = width * 3; | |
169 | return size * 3; | |
2a877875 FB |
170 | case PIX_FMT_RGBA32: |
171 | picture->data[0] = ptr; | |
172 | picture->data[1] = NULL; | |
173 | picture->data[2] = NULL; | |
174 | picture->linesize[0] = width * 4; | |
175 | return size * 4; | |
2a877875 FB |
176 | case PIX_FMT_RGB555: |
177 | case PIX_FMT_RGB565: | |
178 | case PIX_FMT_YUV422: | |
179 | picture->data[0] = ptr; | |
180 | picture->data[1] = NULL; | |
181 | picture->data[2] = NULL; | |
182 | picture->linesize[0] = width * 2; | |
183 | return size * 2; | |
184 | case PIX_FMT_GRAY8: | |
185 | picture->data[0] = ptr; | |
186 | picture->data[1] = NULL; | |
187 | picture->data[2] = NULL; | |
188 | picture->linesize[0] = width; | |
189 | return size; | |
190 | case PIX_FMT_MONOWHITE: | |
191 | case PIX_FMT_MONOBLACK: | |
192 | picture->data[0] = ptr; | |
193 | picture->data[1] = NULL; | |
194 | picture->data[2] = NULL; | |
195 | picture->linesize[0] = (width + 7) >> 3; | |
196 | return picture->linesize[0] * height; | |
7e6d70d0 FB |
197 | case PIX_FMT_PAL8: |
198 | size2 = (size + 3) & ~3; | |
199 | picture->data[0] = ptr; | |
200 | picture->data[1] = ptr + size2; /* palette is stored here as 256 32 bit words */ | |
201 | picture->data[2] = NULL; | |
202 | picture->linesize[0] = width; | |
203 | picture->linesize[1] = 4; | |
204 | return size2 + 256 * 4; | |
2a877875 FB |
205 | default: |
206 | picture->data[0] = NULL; | |
207 | picture->data[1] = NULL; | |
208 | picture->data[2] = NULL; | |
7e6d70d0 | 209 | picture->data[3] = NULL; |
2a877875 FB |
210 | return -1; |
211 | } | |
212 | } | |
213 | ||
214 | int avpicture_get_size(int pix_fmt, int width, int height) | |
215 | { | |
216 | AVPicture dummy_pict; | |
217 | return avpicture_fill(&dummy_pict, NULL, pix_fmt, width, height); | |
218 | } | |
219 | ||
220 | ||
de6d9b64 FB |
221 | /* XXX: totally non optimized */ |
222 | ||
524c6b63 FB |
223 | static void yuv422_to_yuv420p(AVPicture *dst, AVPicture *src, |
224 | int width, int height) | |
de6d9b64 | 225 | { |
524c6b63 | 226 | UINT8 *lum, *cb, *cr; |
de6d9b64 | 227 | int x, y; |
524c6b63 FB |
228 | const UINT8 *p; |
229 | ||
230 | lum = dst->data[0]; | |
231 | cb = dst->data[1]; | |
232 | cr = dst->data[2]; | |
233 | p = src->data[0]; | |
234 | ||
de6d9b64 FB |
235 | for(y=0;y<height;y+=2) { |
236 | for(x=0;x<width;x+=2) { | |
e78df699 MN |
237 | lum[0] = p[0]; |
238 | cb[0] = p[1]; | |
239 | lum[1] = p[2]; | |
240 | cr[0] = p[3]; | |
de6d9b64 FB |
241 | p += 4; |
242 | lum += 2; | |
243 | cb++; | |
244 | cr++; | |
245 | } | |
246 | for(x=0;x<width;x+=2) { | |
e78df699 MN |
247 | lum[0] = p[0]; |
248 | lum[1] = p[2]; | |
de6d9b64 FB |
249 | p += 4; |
250 | lum += 2; | |
251 | } | |
252 | } | |
253 | } | |
254 | ||
255 | #define SCALEBITS 8 | |
256 | #define ONE_HALF (1 << (SCALEBITS - 1)) | |
257 | #define FIX(x) ((int) ((x) * (1L<<SCALEBITS) + 0.5)) | |
258 | ||
85c242d8 FB |
259 | /* XXX: use generic filter ? */ |
260 | /* 1x2 -> 1x1 */ | |
261 | static void shrink2(UINT8 *dst, int dst_wrap, | |
262 | UINT8 *src, int src_wrap, | |
263 | int width, int height) | |
264 | { | |
265 | int w; | |
266 | UINT8 *s1, *s2, *d; | |
267 | ||
268 | for(;height > 0; height--) { | |
269 | s1 = src; | |
270 | s2 = s1 + src_wrap; | |
271 | d = dst; | |
272 | for(w = width;w >= 4; w-=4) { | |
273 | d[0] = (s1[0] + s2[0]) >> 1; | |
274 | d[1] = (s1[1] + s2[1]) >> 1; | |
275 | d[2] = (s1[2] + s2[2]) >> 1; | |
276 | d[3] = (s1[3] + s2[3]) >> 1; | |
277 | s1 += 4; | |
278 | s2 += 4; | |
279 | d += 4; | |
280 | } | |
281 | for(;w > 0; w--) { | |
282 | d[0] = (s1[0] + s2[0]) >> 1; | |
283 | s1++; | |
284 | s2++; | |
285 | d++; | |
286 | } | |
287 | src += 2 * src_wrap; | |
288 | dst += dst_wrap; | |
289 | } | |
290 | } | |
291 | ||
292 | /* 2x2 -> 1x1 */ | |
293 | static void shrink22(UINT8 *dst, int dst_wrap, | |
294 | UINT8 *src, int src_wrap, | |
295 | int width, int height) | |
296 | { | |
297 | int w; | |
298 | UINT8 *s1, *s2, *d; | |
299 | ||
300 | for(;height > 0; height--) { | |
301 | s1 = src; | |
302 | s2 = s1 + src_wrap; | |
303 | d = dst; | |
304 | for(w = width;w >= 4; w-=4) { | |
305 | d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 1; | |
306 | d[1] = (s1[2] + s1[3] + s2[2] + s2[3] + 2) >> 1; | |
307 | d[2] = (s1[4] + s1[5] + s2[4] + s2[5] + 2) >> 1; | |
308 | d[3] = (s1[6] + s1[7] + s2[6] + s2[7] + 2) >> 1; | |
309 | s1 += 8; | |
310 | s2 += 8; | |
311 | d += 4; | |
312 | } | |
313 | for(;w > 0; w--) { | |
314 | d[0] = (s1[0] + s1[1] + s2[0] + s2[1] + 2) >> 1; | |
315 | s1 += 2; | |
316 | s2 += 2; | |
317 | d++; | |
318 | } | |
319 | src += 2 * src_wrap; | |
320 | dst += dst_wrap; | |
321 | } | |
322 | } | |
323 | ||
6742d95d FR |
324 | /* 1x1 -> 2x2 */ |
325 | static void grow22(UINT8 *dst, int dst_wrap, | |
326 | UINT8 *src, int src_wrap, | |
327 | int width, int height) | |
328 | { | |
329 | int w; | |
330 | UINT8 *s1, *d; | |
331 | ||
332 | for(;height > 0; height--) { | |
333 | s1 = src; | |
334 | d = dst; | |
335 | for(w = width;w >= 4; w-=4) { | |
336 | d[1] = d[0] = s1[0]; | |
337 | d[3] = d[2] = s1[1]; | |
338 | s1 += 2; | |
339 | d += 4; | |
340 | } | |
341 | for(;w > 0; w--) { | |
342 | d[0] = s1[0]; | |
343 | s1 ++; | |
344 | d++; | |
345 | } | |
346 | if (height%2) | |
347 | src += src_wrap; | |
348 | dst += dst_wrap; | |
349 | } | |
350 | } | |
351 | ||
524c6b63 | 352 | /* 1x2 -> 2x1 */ |
789587d5 FB |
353 | static void conv411(UINT8 *dst, int dst_wrap, |
354 | UINT8 *src, int src_wrap, | |
355 | int width, int height) | |
356 | { | |
357 | int w, c; | |
358 | UINT8 *s1, *s2, *d; | |
359 | ||
524c6b63 | 360 | for(;height > 0; height--) { |
789587d5 FB |
361 | s1 = src; |
362 | s2 = src + src_wrap; | |
363 | d = dst; | |
364 | for(w = width;w > 0; w--) { | |
365 | c = (s1[0] + s2[0]) >> 1; | |
366 | d[0] = c; | |
367 | d[1] = c; | |
368 | s1++; | |
369 | s2++; | |
370 | d += 2; | |
371 | } | |
372 | src += src_wrap * 2; | |
373 | dst += dst_wrap; | |
374 | } | |
375 | } | |
376 | ||
85c242d8 FB |
377 | static void img_copy(UINT8 *dst, int dst_wrap, |
378 | UINT8 *src, int src_wrap, | |
379 | int width, int height) | |
380 | { | |
381 | for(;height > 0; height--) { | |
382 | memcpy(dst, src, width); | |
383 | dst += dst_wrap; | |
384 | src += src_wrap; | |
385 | } | |
386 | } | |
387 | ||
388 | #define SCALE_BITS 10 | |
389 | ||
390 | #define C_Y (76309 >> (16 - SCALE_BITS)) | |
391 | #define C_RV (117504 >> (16 - SCALE_BITS)) | |
392 | #define C_BU (138453 >> (16 - SCALE_BITS)) | |
393 | #define C_GU (13954 >> (16 - SCALE_BITS)) | |
394 | #define C_GV (34903 >> (16 - SCALE_BITS)) | |
395 | ||
524c6b63 | 396 | #define YUV_TO_RGB2(r, g, b, y1)\ |
85c242d8 FB |
397 | {\ |
398 | y = (y1 - 16) * C_Y;\ | |
399 | r = cm[(y + r_add) >> SCALE_BITS];\ | |
400 | g = cm[(y + g_add) >> SCALE_BITS];\ | |
401 | b = cm[(y + b_add) >> SCALE_BITS];\ | |
402 | } | |
403 | ||
404 | /* XXX: no chroma interpolating is done */ | |
524c6b63 FB |
405 | #define RGB_FUNCTIONS(rgb_name) \ |
406 | \ | |
407 | static void yuv420p_to_ ## rgb_name (AVPicture *dst, AVPicture *src, \ | |
408 | int width, int height) \ | |
409 | { \ | |
410 | UINT8 *y1_ptr, *y2_ptr, *cb_ptr, *cr_ptr, *d, *d1, *d2; \ | |
411 | int w, y, cb, cr, r_add, g_add, b_add, width2; \ | |
412 | UINT8 *cm = cropTbl + MAX_NEG_CROP; \ | |
413 | unsigned int r, g, b; \ | |
414 | \ | |
415 | d = dst->data[0]; \ | |
416 | y1_ptr = src->data[0]; \ | |
417 | cb_ptr = src->data[1]; \ | |
418 | cr_ptr = src->data[2]; \ | |
4c7e8619 FB |
419 | width2 = (width + 1) >> 1; \ |
420 | for(;height >= 2; height -= 2) { \ | |
524c6b63 FB |
421 | d1 = d; \ |
422 | d2 = d + dst->linesize[0]; \ | |
423 | y2_ptr = y1_ptr + src->linesize[0]; \ | |
4c7e8619 | 424 | for(w = width; w >= 2; w -= 2) { \ |
524c6b63 FB |
425 | cb = cb_ptr[0] - 128; \ |
426 | cr = cr_ptr[0] - 128; \ | |
427 | r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \ | |
428 | g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \ | |
429 | b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \ | |
430 | \ | |
431 | /* output 4 pixels */ \ | |
432 | YUV_TO_RGB2(r, g, b, y1_ptr[0]); \ | |
433 | RGB_OUT(d1, r, g, b); \ | |
434 | \ | |
435 | YUV_TO_RGB2(r, g, b, y1_ptr[1]); \ | |
436 | RGB_OUT(d1 + BPP, r, g, b); \ | |
437 | \ | |
438 | YUV_TO_RGB2(r, g, b, y2_ptr[0]); \ | |
439 | RGB_OUT(d2, r, g, b); \ | |
440 | \ | |
441 | YUV_TO_RGB2(r, g, b, y2_ptr[1]); \ | |
442 | RGB_OUT(d2 + BPP, r, g, b); \ | |
443 | \ | |
444 | d1 += 2 * BPP; \ | |
445 | d2 += 2 * BPP; \ | |
446 | \ | |
447 | y1_ptr += 2; \ | |
448 | y2_ptr += 2; \ | |
449 | cb_ptr++; \ | |
450 | cr_ptr++; \ | |
451 | } \ | |
4c7e8619 FB |
452 | /* handle odd width */ \ |
453 | if (w) { \ | |
454 | cb = cb_ptr[0] - 128; \ | |
455 | cr = cr_ptr[0] - 128; \ | |
456 | r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \ | |
457 | g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \ | |
458 | b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \ | |
459 | \ | |
460 | YUV_TO_RGB2(r, g, b, y1_ptr[0]); \ | |
461 | RGB_OUT(d1, r, g, b); \ | |
462 | \ | |
463 | YUV_TO_RGB2(r, g, b, y2_ptr[0]); \ | |
464 | RGB_OUT(d2, r, g, b); \ | |
465 | d1 += BPP; \ | |
466 | d2 += BPP; \ | |
467 | y1_ptr++; \ | |
468 | y2_ptr++; \ | |
469 | cb_ptr++; \ | |
470 | cr_ptr++; \ | |
471 | } \ | |
524c6b63 FB |
472 | d += 2 * dst->linesize[0]; \ |
473 | y1_ptr += 2 * src->linesize[0] - width; \ | |
474 | cb_ptr += src->linesize[1] - width2; \ | |
475 | cr_ptr += src->linesize[2] - width2; \ | |
476 | } \ | |
4c7e8619 FB |
477 | /* handle odd height */ \ |
478 | if (height) { \ | |
479 | d1 = d; \ | |
480 | for(w = width; w >= 2; w -= 2) { \ | |
481 | cb = cb_ptr[0] - 128; \ | |
482 | cr = cr_ptr[0] - 128; \ | |
483 | r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \ | |
484 | g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \ | |
485 | b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \ | |
486 | \ | |
487 | /* output 2 pixels */ \ | |
488 | YUV_TO_RGB2(r, g, b, y1_ptr[0]); \ | |
489 | RGB_OUT(d1, r, g, b); \ | |
490 | \ | |
491 | YUV_TO_RGB2(r, g, b, y1_ptr[1]); \ | |
492 | RGB_OUT(d1 + BPP, r, g, b); \ | |
493 | \ | |
494 | d1 += 2 * BPP; \ | |
495 | \ | |
496 | y1_ptr += 2; \ | |
497 | cb_ptr++; \ | |
498 | cr_ptr++; \ | |
499 | } \ | |
500 | /* handle width */ \ | |
501 | if (w) { \ | |
502 | cb = cb_ptr[0] - 128; \ | |
503 | cr = cr_ptr[0] - 128; \ | |
504 | r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \ | |
505 | g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \ | |
506 | b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \ | |
507 | \ | |
508 | /* output 2 pixels */ \ | |
509 | YUV_TO_RGB2(r, g, b, y1_ptr[0]); \ | |
510 | RGB_OUT(d1, r, g, b); \ | |
511 | d1 += BPP; \ | |
512 | \ | |
513 | y1_ptr++; \ | |
514 | cb_ptr++; \ | |
515 | cr_ptr++; \ | |
516 | } \ | |
517 | } \ | |
524c6b63 FB |
518 | } \ |
519 | \ | |
520 | /* XXX: no chroma interpolating is done */ \ | |
521 | static void yuv422p_to_ ## rgb_name (AVPicture *dst, AVPicture *src, \ | |
522 | int width, int height) \ | |
523 | { \ | |
524 | UINT8 *y1_ptr, *cb_ptr, *cr_ptr, *d, *d1; \ | |
525 | int w, y, cb, cr, r_add, g_add, b_add, width2; \ | |
526 | UINT8 *cm = cropTbl + MAX_NEG_CROP; \ | |
527 | unsigned int r, g, b; \ | |
528 | \ | |
529 | d = dst->data[0]; \ | |
530 | y1_ptr = src->data[0]; \ | |
531 | cb_ptr = src->data[1]; \ | |
532 | cr_ptr = src->data[2]; \ | |
4c7e8619 | 533 | width2 = (width + 1) >> 1; \ |
524c6b63 FB |
534 | for(;height > 0; height --) { \ |
535 | d1 = d; \ | |
4c7e8619 | 536 | for(w = width; w >= 2; w -= 2) { \ |
524c6b63 FB |
537 | cb = cb_ptr[0] - 128; \ |
538 | cr = cr_ptr[0] - 128; \ | |
539 | r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \ | |
540 | g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \ | |
541 | b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \ | |
542 | \ | |
543 | /* output 2 pixels */ \ | |
544 | YUV_TO_RGB2(r, g, b, y1_ptr[0]); \ | |
4c7e8619 | 545 | RGB_OUT(d1, r, g, b); \ |
524c6b63 FB |
546 | \ |
547 | YUV_TO_RGB2(r, g, b, y1_ptr[1]); \ | |
4c7e8619 | 548 | RGB_OUT(d1 + BPP, r, g, b); \ |
524c6b63 | 549 | \ |
4c7e8619 | 550 | d1 += 2 * BPP; \ |
524c6b63 FB |
551 | \ |
552 | y1_ptr += 2; \ | |
553 | cb_ptr++; \ | |
554 | cr_ptr++; \ | |
555 | } \ | |
4c7e8619 FB |
556 | /* handle width */ \ |
557 | if (w) { \ | |
558 | cb = cb_ptr[0] - 128; \ | |
559 | cr = cr_ptr[0] - 128; \ | |
560 | r_add = C_RV * cr + (1 << (SCALE_BITS - 1)); \ | |
561 | g_add = - C_GU * cb - C_GV * cr + (1 << (SCALE_BITS - 1)); \ | |
562 | b_add = C_BU * cb + (1 << (SCALE_BITS - 1)); \ | |
563 | \ | |
564 | /* output 2 pixels */ \ | |
565 | YUV_TO_RGB2(r, g, b, y1_ptr[0]); \ | |
566 | RGB_OUT(d1, r, g, b); \ | |
567 | d1 += BPP; \ | |
568 | \ | |
569 | y1_ptr++; \ | |
570 | cb_ptr++; \ | |
571 | cr_ptr++; \ | |
572 | } \ | |
524c6b63 FB |
573 | d += dst->linesize[0]; \ |
574 | y1_ptr += src->linesize[0] - width; \ | |
575 | cb_ptr += src->linesize[1] - width2; \ | |
576 | cr_ptr += src->linesize[2] - width2; \ | |
577 | } \ | |
578 | } \ | |
579 | \ | |
580 | static void rgb_name ## _to_yuv420p(AVPicture *dst, AVPicture *src, \ | |
581 | int width, int height) \ | |
582 | { \ | |
583 | int wrap, wrap3, x, y; \ | |
584 | int r, g, b, r1, g1, b1; \ | |
585 | UINT8 *lum, *cb, *cr; \ | |
586 | const UINT8 *p; \ | |
587 | \ | |
588 | lum = dst->data[0]; \ | |
589 | cb = dst->data[1]; \ | |
590 | cr = dst->data[2]; \ | |
591 | \ | |
16e83cbb PG |
592 | wrap = dst->linesize[0]; \ |
593 | wrap3 = src->linesize[0]; \ | |
524c6b63 FB |
594 | p = src->data[0]; \ |
595 | for(y=0;y<height;y+=2) { \ | |
596 | for(x=0;x<width;x+=2) { \ | |
597 | RGB_IN(r, g, b, p); \ | |
598 | r1 = r; \ | |
599 | g1 = g; \ | |
600 | b1 = b; \ | |
601 | lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g + \ | |
602 | FIX(0.11400) * b + ONE_HALF) >> SCALEBITS; \ | |
603 | RGB_IN(r, g, b, p + BPP); \ | |
604 | r1 += r; \ | |
605 | g1 += g; \ | |
606 | b1 += b; \ | |
607 | lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g + \ | |
608 | FIX(0.11400) * b + ONE_HALF) >> SCALEBITS; \ | |
609 | p += wrap3; \ | |
610 | lum += wrap; \ | |
611 | \ | |
612 | RGB_IN(r, g, b, p); \ | |
613 | r1 += r; \ | |
614 | g1 += g; \ | |
615 | b1 += b; \ | |
616 | lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g + \ | |
617 | FIX(0.11400) * b + ONE_HALF) >> SCALEBITS; \ | |
618 | \ | |
619 | RGB_IN(r, g, b, p + BPP); \ | |
620 | r1 += r; \ | |
621 | g1 += g; \ | |
622 | b1 += b; \ | |
623 | lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g + \ | |
624 | FIX(0.11400) * b + ONE_HALF) >> SCALEBITS; \ | |
625 | \ | |
626 | cb[0] = ((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \ | |
627 | FIX(0.50000) * b1 + 4 * ONE_HALF - 1) >> \ | |
628 | (SCALEBITS + 2)) + 128; \ | |
629 | cr[0] = ((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \ | |
630 | FIX(0.08131) * b1 + 4 * ONE_HALF - 1) >> \ | |
631 | (SCALEBITS + 2)) + 128; \ | |
632 | \ | |
633 | cb++; \ | |
634 | cr++; \ | |
69572401 | 635 | p += -wrap3 + 2 * BPP; \ |
524c6b63 FB |
636 | lum += -wrap + 2; \ |
637 | } \ | |
16e83cbb PG |
638 | p += wrap3 + (wrap3 - width * BPP); \ |
639 | lum += wrap + (wrap - width); \ | |
640 | cb += dst->linesize[1] - width / 2; \ | |
641 | cr += dst->linesize[2] - width / 2; \ | |
524c6b63 | 642 | } \ |
69572401 FB |
643 | } \ |
644 | \ | |
645 | static void rgb_name ## _to_gray(AVPicture *dst, AVPicture *src, \ | |
646 | int width, int height) \ | |
647 | { \ | |
648 | const unsigned char *p; \ | |
649 | unsigned char *q; \ | |
650 | int r, g, b, dst_wrap, src_wrap; \ | |
651 | int x, y; \ | |
652 | \ | |
653 | p = src->data[0]; \ | |
654 | src_wrap = src->linesize[0] - BPP * width; \ | |
655 | \ | |
656 | q = dst->data[0]; \ | |
657 | dst_wrap = dst->linesize[0] - width; \ | |
658 | \ | |
659 | for(y=0;y<height;y++) { \ | |
660 | for(x=0;x<width;x++) { \ | |
661 | RGB_IN(r, g, b, p); \ | |
662 | q[0] = (FIX(0.29900) * r + FIX(0.58700) * g + \ | |
663 | FIX(0.11400) * b + ONE_HALF) >> SCALEBITS; \ | |
664 | q++; \ | |
665 | p += BPP; \ | |
666 | } \ | |
667 | p += src_wrap; \ | |
668 | q += dst_wrap; \ | |
669 | } \ | |
670 | } \ | |
671 | \ | |
672 | static void gray_to_ ## rgb_name(AVPicture *dst, AVPicture *src, \ | |
673 | int width, int height) \ | |
674 | { \ | |
675 | const unsigned char *p; \ | |
676 | unsigned char *q; \ | |
677 | int r, dst_wrap, src_wrap; \ | |
678 | int x, y; \ | |
679 | \ | |
680 | p = src->data[0]; \ | |
681 | src_wrap = src->linesize[0] - width; \ | |
682 | \ | |
683 | q = dst->data[0]; \ | |
684 | dst_wrap = dst->linesize[0] - BPP * width; \ | |
685 | \ | |
686 | for(y=0;y<height;y++) { \ | |
687 | for(x=0;x<width;x++) { \ | |
688 | r = p[0]; \ | |
689 | RGB_OUT(q, r, r, r); \ | |
690 | q += BPP; \ | |
691 | p ++; \ | |
692 | } \ | |
693 | p += src_wrap; \ | |
694 | q += dst_wrap; \ | |
695 | } \ | |
7e6d70d0 FB |
696 | } \ |
697 | \ | |
698 | static void pal8_to_ ## rgb_name(AVPicture *dst, AVPicture *src, \ | |
699 | int width, int height) \ | |
700 | { \ | |
701 | const unsigned char *p; \ | |
702 | unsigned char *q; \ | |
703 | int r, g, b, dst_wrap, src_wrap; \ | |
704 | int x, y; \ | |
705 | uint32_t v;\ | |
706 | const uint32_t *palette;\ | |
707 | \ | |
708 | p = src->data[0]; \ | |
709 | src_wrap = src->linesize[0] - width; \ | |
710 | palette = (uint32_t *)src->data[1];\ | |
711 | \ | |
712 | q = dst->data[0]; \ | |
713 | dst_wrap = dst->linesize[0] - BPP * width; \ | |
714 | \ | |
715 | for(y=0;y<height;y++) { \ | |
716 | for(x=0;x<width;x++) { \ | |
717 | v = palette[p[0]];\ | |
718 | r = (v >> 16) & 0xff;\ | |
719 | g = (v >> 8) & 0xff;\ | |
720 | b = (v) & 0xff;\ | |
721 | RGB_OUT(q, r, g, b); \ | |
722 | q += BPP; \ | |
723 | p ++; \ | |
724 | } \ | |
725 | p += src_wrap; \ | |
726 | q += dst_wrap; \ | |
727 | } \ | |
524c6b63 FB |
728 | } |
729 | ||
730 | /* copy bit n to bits 0 ... n - 1 */ | |
731 | static inline unsigned int bitcopy_n(unsigned int a, int n) | |
b71472eb | 732 | { |
524c6b63 FB |
733 | int mask; |
734 | mask = (1 << n) - 1; | |
735 | return (a & (0xff & ~mask)) | ((-((a >> n) & 1)) & mask); | |
736 | } | |
737 | ||
738 | /* rgb555 handling */ | |
739 | ||
740 | #define RGB_IN(r, g, b, s)\ | |
741 | {\ | |
5c91a675 | 742 | unsigned int v = ((const UINT16 *)(s))[0];\ |
524c6b63 FB |
743 | r = bitcopy_n(v >> (10 - 3), 3);\ |
744 | g = bitcopy_n(v >> (5 - 3), 3);\ | |
745 | b = bitcopy_n(v << 3, 3);\ | |
746 | } | |
747 | ||
748 | #define RGB_OUT(d, r, g, b)\ | |
749 | {\ | |
750 | ((UINT16 *)(d))[0] = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3) | 0x8000;\ | |
751 | } | |
752 | ||
753 | #define BPP 2 | |
754 | ||
755 | RGB_FUNCTIONS(rgb555) | |
756 | ||
757 | #undef RGB_IN | |
758 | #undef RGB_OUT | |
759 | #undef BPP | |
760 | ||
761 | /* rgb565 handling */ | |
762 | ||
763 | #define RGB_IN(r, g, b, s)\ | |
764 | {\ | |
5c91a675 | 765 | unsigned int v = ((const UINT16 *)(s))[0];\ |
524c6b63 FB |
766 | r = bitcopy_n(v >> (11 - 3), 3);\ |
767 | g = bitcopy_n(v >> (5 - 2), 2);\ | |
768 | b = bitcopy_n(v << 3, 3);\ | |
769 | } | |
770 | ||
771 | #define RGB_OUT(d, r, g, b)\ | |
772 | {\ | |
773 | ((UINT16 *)(d))[0] = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);\ | |
774 | } | |
775 | ||
776 | #define BPP 2 | |
777 | ||
778 | RGB_FUNCTIONS(rgb565) | |
779 | ||
780 | #undef RGB_IN | |
781 | #undef RGB_OUT | |
782 | #undef BPP | |
783 | ||
784 | /* bgr24 handling */ | |
785 | ||
786 | #define RGB_IN(r, g, b, s)\ | |
787 | {\ | |
788 | b = (s)[0];\ | |
789 | g = (s)[1];\ | |
790 | r = (s)[2];\ | |
791 | } | |
792 | ||
793 | #define RGB_OUT(d, r, g, b)\ | |
794 | {\ | |
795 | (d)[0] = b;\ | |
796 | (d)[1] = g;\ | |
797 | (d)[2] = r;\ | |
798 | } | |
799 | ||
800 | #define BPP 3 | |
801 | ||
802 | RGB_FUNCTIONS(bgr24) | |
803 | ||
804 | #undef RGB_IN | |
805 | #undef RGB_OUT | |
806 | #undef BPP | |
807 | ||
808 | /* rgb24 handling */ | |
809 | ||
810 | #define RGB_IN(r, g, b, s)\ | |
811 | {\ | |
812 | r = (s)[0];\ | |
813 | g = (s)[1];\ | |
814 | b = (s)[2];\ | |
815 | } | |
816 | ||
817 | #define RGB_OUT(d, r, g, b)\ | |
818 | {\ | |
819 | (d)[0] = r;\ | |
820 | (d)[1] = g;\ | |
821 | (d)[2] = b;\ | |
822 | } | |
823 | ||
824 | #define BPP 3 | |
825 | ||
826 | RGB_FUNCTIONS(rgb24) | |
827 | ||
828 | #undef RGB_IN | |
829 | #undef RGB_OUT | |
830 | #undef BPP | |
831 | ||
832 | /* rgba32 handling */ | |
833 | ||
834 | #define RGB_IN(r, g, b, s)\ | |
835 | {\ | |
5c91a675 | 836 | unsigned int v = ((const UINT32 *)(s))[0];\ |
524c6b63 FB |
837 | r = (v >> 16) & 0xff;\ |
838 | g = (v >> 8) & 0xff;\ | |
839 | b = v & 0xff;\ | |
840 | } | |
841 | ||
842 | #define RGB_OUT(d, r, g, b)\ | |
843 | {\ | |
844 | ((UINT32 *)(d))[0] = (0xff << 24) | (r << 16) | (g << 8) | b;\ | |
845 | } | |
846 | ||
847 | #define BPP 4 | |
848 | ||
849 | RGB_FUNCTIONS(rgba32) | |
850 | ||
851 | #undef RGB_IN | |
852 | #undef RGB_OUT | |
853 | #undef BPP | |
854 | ||
855 | ||
856 | static void rgb24_to_rgb565(AVPicture *dst, AVPicture *src, | |
857 | int width, int height) | |
858 | { | |
859 | const unsigned char *p; | |
860 | unsigned char *q; | |
861 | int r, g, b, dst_wrap, src_wrap; | |
862 | int x, y; | |
863 | ||
864 | p = src->data[0]; | |
865 | src_wrap = src->linesize[0] - 3 * width; | |
866 | ||
867 | q = dst->data[0]; | |
868 | dst_wrap = dst->linesize[0] - 2 * width; | |
869 | ||
870 | for(y=0;y<height;y++) { | |
871 | for(x=0;x<width;x++) { | |
872 | r = p[0]; | |
873 | g = p[1]; | |
874 | b = p[2]; | |
875 | ||
876 | ((unsigned short *)q)[0] = | |
877 | ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3); | |
878 | q += 2; | |
879 | p += 3; | |
b71472eb | 880 | } |
524c6b63 FB |
881 | p += src_wrap; |
882 | q += dst_wrap; | |
b71472eb PG |
883 | } |
884 | } | |
885 | ||
524c6b63 FB |
886 | /* NOTE: we also add a dummy alpha bit */ |
887 | static void rgb24_to_rgb555(AVPicture *dst, AVPicture *src, | |
888 | int width, int height) | |
b71472eb | 889 | { |
524c6b63 FB |
890 | const unsigned char *p; |
891 | unsigned char *q; | |
892 | int r, g, b, dst_wrap, src_wrap; | |
893 | int x, y; | |
894 | ||
895 | p = src->data[0]; | |
896 | src_wrap = src->linesize[0] - 3 * width; | |
897 | ||
898 | q = dst->data[0]; | |
899 | dst_wrap = dst->linesize[0] - 2 * width; | |
900 | ||
901 | for(y=0;y<height;y++) { | |
902 | for(x=0;x<width;x++) { | |
903 | r = p[0]; | |
904 | g = p[1]; | |
905 | b = p[2]; | |
906 | ||
907 | ((unsigned short *)q)[0] = | |
908 | ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3) | 0x8000; | |
909 | q += 2; | |
910 | p += 3; | |
b71472eb | 911 | } |
524c6b63 FB |
912 | p += src_wrap; |
913 | q += dst_wrap; | |
b71472eb PG |
914 | } |
915 | } | |
916 | ||
2a877875 FB |
917 | static void mono_to_gray(AVPicture *dst, AVPicture *src, |
918 | int width, int height, int xor_mask) | |
524c6b63 FB |
919 | { |
920 | const unsigned char *p; | |
921 | unsigned char *q; | |
922 | int v, dst_wrap, src_wrap; | |
923 | int y, w; | |
924 | ||
925 | p = src->data[0]; | |
926 | src_wrap = src->linesize[0] - ((width + 7) >> 3); | |
927 | ||
928 | q = dst->data[0]; | |
2a877875 | 929 | dst_wrap = dst->linesize[0] - width; |
524c6b63 FB |
930 | for(y=0;y<height;y++) { |
931 | w = width; | |
932 | while (w >= 8) { | |
2a877875 FB |
933 | v = *p++ ^ xor_mask; |
934 | q[0] = -(v >> 7); | |
935 | q[1] = -((v >> 6) & 1); | |
936 | q[2] = -((v >> 5) & 1); | |
937 | q[3] = -((v >> 4) & 1); | |
938 | q[4] = -((v >> 3) & 1); | |
939 | q[5] = -((v >> 2) & 1); | |
940 | q[6] = -((v >> 1) & 1); | |
941 | q[7] = -((v >> 0) & 1); | |
524c6b63 | 942 | w -= 8; |
2a877875 | 943 | q += 8; |
524c6b63 FB |
944 | } |
945 | if (w > 0) { | |
2a877875 | 946 | v = *p++ ^ xor_mask; |
524c6b63 | 947 | do { |
2a877875 FB |
948 | q[0] = -((v >> 7) & 1); |
949 | q++; | |
524c6b63 FB |
950 | v <<= 1; |
951 | } while (--w); | |
85c242d8 | 952 | } |
524c6b63 FB |
953 | p += src_wrap; |
954 | q += dst_wrap; | |
85c242d8 FB |
955 | } |
956 | } | |
957 | ||
2a877875 | 958 | static void monowhite_to_gray(AVPicture *dst, AVPicture *src, |
524c6b63 FB |
959 | int width, int height) |
960 | { | |
2a877875 FB |
961 | mono_to_gray(dst, src, width, height, 0xff); |
962 | } | |
524c6b63 | 963 | |
2a877875 FB |
964 | static void monoblack_to_gray(AVPicture *dst, AVPicture *src, |
965 | int width, int height) | |
966 | { | |
967 | mono_to_gray(dst, src, width, height, 0x00); | |
968 | } | |
524c6b63 | 969 | |
2a877875 FB |
970 | static void gray_to_mono(AVPicture *dst, AVPicture *src, |
971 | int width, int height, int xor_mask) | |
972 | { | |
973 | int n; | |
974 | const UINT8 *s; | |
975 | UINT8 *d; | |
976 | int j, b, v, n1, src_wrap, dst_wrap, y; | |
977 | ||
978 | s = src->data[0]; | |
979 | src_wrap = src->linesize[0] - width; | |
980 | ||
981 | d = dst->data[0]; | |
982 | dst_wrap = dst->linesize[0] - ((width + 7) >> 3); | |
983 | printf("%d %d\n", width, height); | |
524c6b63 FB |
984 | |
985 | for(y=0;y<height;y++) { | |
2a877875 FB |
986 | n = width; |
987 | while (n >= 8) { | |
988 | v = 0; | |
989 | for(j=0;j<8;j++) { | |
990 | b = s[0]; | |
991 | s++; | |
992 | v = (v << 1) | (b >> 7); | |
993 | } | |
994 | d[0] = v ^ xor_mask; | |
995 | d++; | |
996 | n -= 8; | |
524c6b63 | 997 | } |
2a877875 FB |
998 | if (n > 0) { |
999 | n1 = n; | |
1000 | v = 0; | |
1001 | while (n > 0) { | |
1002 | b = s[0]; | |
1003 | s++; | |
1004 | v = (v << 1) | (b >> 7); | |
1005 | n--; | |
1006 | } | |
1007 | d[0] = (v << (8 - (n1 & 7))) ^ xor_mask; | |
1008 | d++; | |
524c6b63 | 1009 | } |
2a877875 FB |
1010 | s += src_wrap; |
1011 | d += dst_wrap; | |
524c6b63 FB |
1012 | } |
1013 | } | |
1014 | ||
2a877875 FB |
1015 | static void gray_to_monowhite(AVPicture *dst, AVPicture *src, |
1016 | int width, int height) | |
1017 | { | |
1018 | gray_to_mono(dst, src, width, height, 0xff); | |
1019 | } | |
1020 | ||
1021 | static void gray_to_monoblack(AVPicture *dst, AVPicture *src, | |
1022 | int width, int height) | |
1023 | { | |
1024 | gray_to_mono(dst, src, width, height, 0x00); | |
1025 | } | |
1026 | ||
7e6d70d0 FB |
1027 | /* this is maybe slow, but allows for extensions */ |
1028 | static inline unsigned char gif_clut_index(UINT8 r, UINT8 g, UINT8 b) | |
1029 | { | |
1030 | return ((((r)/47)%6)*6*6+(((g)/47)%6)*6+(((b)/47)%6)); | |
1031 | } | |
1032 | ||
1033 | /* XXX: put jpeg quantize code instead */ | |
1034 | static void rgb24_to_pal8(AVPicture *dst, AVPicture *src, | |
1035 | int width, int height) | |
1036 | { | |
1037 | const unsigned char *p; | |
1038 | unsigned char *q; | |
1039 | int r, g, b, dst_wrap, src_wrap; | |
1040 | int x, y, i; | |
1041 | static const uint8_t pal_value[6] = { 0x00, 0x33, 0x66, 0x99, 0xcc, 0xff }; | |
1042 | uint32_t *pal; | |
1043 | ||
1044 | p = src->data[0]; | |
1045 | src_wrap = src->linesize[0] - 3 * width; | |
1046 | ||
1047 | q = dst->data[0]; | |
1048 | dst_wrap = dst->linesize[0] - width; | |
1049 | ||
1050 | for(y=0;y<height;y++) { | |
1051 | for(x=0;x<width;x++) { | |
1052 | r = p[0]; | |
1053 | g = p[1]; | |
1054 | b = p[2]; | |
1055 | ||
1056 | q[0] = gif_clut_index(r, g, b); | |
1057 | q++; | |
1058 | p += 3; | |
1059 | } | |
1060 | p += src_wrap; | |
1061 | q += dst_wrap; | |
1062 | } | |
1063 | ||
1064 | /* build palette */ | |
1065 | pal = (uint32_t *)dst->data[1]; | |
1066 | i = 0; | |
1067 | for(r = 0; r < 6; r++) { | |
1068 | for(g = 0; g < 6; g++) { | |
1069 | for(b = 0; b < 6; b++) { | |
1070 | pal[i++] = (0xff << 24) | (pal_value[r] << 16) | | |
1071 | (pal_value[g] << 8) | pal_value[b]; | |
1072 | } | |
1073 | } | |
1074 | } | |
1075 | while (i < 256) | |
1076 | pal[i++] = 0; | |
1077 | } | |
1078 | ||
524c6b63 FB |
1079 | typedef struct ConvertEntry { |
1080 | void (*convert)(AVPicture *dst, AVPicture *src, int width, int height); | |
1081 | } ConvertEntry; | |
1082 | ||
1083 | /* add each new convertion function in this table */ | |
1084 | /* constraints; | |
1085 | - all non YUV modes must convert at least to and from PIX_FMT_RGB24 | |
1086 | */ | |
1087 | static ConvertEntry convert_table[PIX_FMT_NB][PIX_FMT_NB] = { | |
1088 | [PIX_FMT_YUV420P] = { | |
1089 | [PIX_FMT_RGB555] = { | |
ef9f7306 | 1090 | .convert = yuv420p_to_rgb555 |
524c6b63 FB |
1091 | }, |
1092 | [PIX_FMT_RGB565] = { | |
ef9f7306 | 1093 | .convert = yuv420p_to_rgb565 |
524c6b63 FB |
1094 | }, |
1095 | [PIX_FMT_BGR24] = { | |
ef9f7306 | 1096 | .convert = yuv420p_to_bgr24 |
524c6b63 FB |
1097 | }, |
1098 | [PIX_FMT_RGB24] = { | |
ef9f7306 | 1099 | .convert = yuv420p_to_rgb24 |
524c6b63 FB |
1100 | }, |
1101 | [PIX_FMT_RGBA32] = { | |
ef9f7306 | 1102 | .convert = yuv420p_to_rgba32 |
524c6b63 FB |
1103 | }, |
1104 | }, | |
1105 | [PIX_FMT_YUV422P] = { | |
1106 | [PIX_FMT_RGB555] = { | |
ef9f7306 | 1107 | .convert = yuv422p_to_rgb555 |
524c6b63 FB |
1108 | }, |
1109 | [PIX_FMT_RGB565] = { | |
ef9f7306 | 1110 | .convert = yuv422p_to_rgb565 |
524c6b63 FB |
1111 | }, |
1112 | [PIX_FMT_BGR24] = { | |
ef9f7306 | 1113 | .convert = yuv422p_to_bgr24 |
524c6b63 FB |
1114 | }, |
1115 | [PIX_FMT_RGB24] = { | |
ef9f7306 | 1116 | .convert = yuv422p_to_rgb24 |
524c6b63 FB |
1117 | }, |
1118 | [PIX_FMT_RGBA32] = { | |
ef9f7306 | 1119 | .convert = yuv422p_to_rgba32 |
524c6b63 FB |
1120 | }, |
1121 | }, | |
1122 | [PIX_FMT_YUV422] = { | |
1123 | [PIX_FMT_YUV420P] = { | |
ef9f7306 | 1124 | .convert = yuv422_to_yuv420p, |
524c6b63 FB |
1125 | }, |
1126 | }, | |
1127 | ||
1128 | [PIX_FMT_RGB24] = { | |
1129 | [PIX_FMT_YUV420P] = { | |
ef9f7306 | 1130 | .convert = rgb24_to_yuv420p |
524c6b63 FB |
1131 | }, |
1132 | [PIX_FMT_RGB565] = { | |
ef9f7306 | 1133 | .convert = rgb24_to_rgb565 |
524c6b63 FB |
1134 | }, |
1135 | [PIX_FMT_RGB555] = { | |
ef9f7306 | 1136 | .convert = rgb24_to_rgb555 |
524c6b63 FB |
1137 | }, |
1138 | [PIX_FMT_GRAY8] = { | |
ef9f7306 | 1139 | .convert = rgb24_to_gray |
524c6b63 | 1140 | }, |
7e6d70d0 FB |
1141 | [PIX_FMT_PAL8] = { |
1142 | .convert = rgb24_to_pal8 | |
1143 | }, | |
524c6b63 FB |
1144 | }, |
1145 | [PIX_FMT_RGBA32] = { | |
1146 | [PIX_FMT_YUV420P] = { | |
ef9f7306 | 1147 | .convert = rgba32_to_yuv420p |
524c6b63 | 1148 | }, |
69572401 FB |
1149 | [PIX_FMT_GRAY8] = { |
1150 | .convert = rgba32_to_gray | |
1151 | }, | |
524c6b63 FB |
1152 | }, |
1153 | [PIX_FMT_BGR24] = { | |
1154 | [PIX_FMT_YUV420P] = { | |
ef9f7306 | 1155 | .convert = bgr24_to_yuv420p |
524c6b63 | 1156 | }, |
69572401 FB |
1157 | [PIX_FMT_GRAY8] = { |
1158 | .convert = bgr24_to_gray | |
1159 | }, | |
524c6b63 FB |
1160 | }, |
1161 | [PIX_FMT_RGB555] = { | |
1162 | [PIX_FMT_YUV420P] = { | |
ef9f7306 | 1163 | .convert = rgb555_to_yuv420p |
524c6b63 | 1164 | }, |
69572401 FB |
1165 | [PIX_FMT_GRAY8] = { |
1166 | .convert = rgb555_to_gray | |
1167 | }, | |
524c6b63 FB |
1168 | }, |
1169 | [PIX_FMT_RGB565] = { | |
1170 | [PIX_FMT_YUV420P] = { | |
ef9f7306 | 1171 | .convert = rgb565_to_yuv420p |
524c6b63 | 1172 | }, |
69572401 FB |
1173 | [PIX_FMT_GRAY8] = { |
1174 | .convert = rgb565_to_gray | |
1175 | }, | |
524c6b63 FB |
1176 | }, |
1177 | [PIX_FMT_GRAY8] = { | |
69572401 FB |
1178 | [PIX_FMT_RGB555] = { |
1179 | .convert = gray_to_rgb555 | |
1180 | }, | |
1181 | [PIX_FMT_RGB565] = { | |
1182 | .convert = gray_to_rgb565 | |
1183 | }, | |
524c6b63 | 1184 | [PIX_FMT_RGB24] = { |
ef9f7306 | 1185 | .convert = gray_to_rgb24 |
524c6b63 | 1186 | }, |
69572401 FB |
1187 | [PIX_FMT_BGR24] = { |
1188 | .convert = gray_to_bgr24 | |
1189 | }, | |
1190 | [PIX_FMT_RGBA32] = { | |
1191 | .convert = gray_to_rgba32 | |
1192 | }, | |
2a877875 | 1193 | [PIX_FMT_MONOWHITE] = { |
ef9f7306 | 1194 | .convert = gray_to_monowhite |
2a877875 FB |
1195 | }, |
1196 | [PIX_FMT_MONOBLACK] = { | |
ef9f7306 | 1197 | .convert = gray_to_monoblack |
2a877875 | 1198 | }, |
524c6b63 FB |
1199 | }, |
1200 | [PIX_FMT_MONOWHITE] = { | |
2a877875 | 1201 | [PIX_FMT_GRAY8] = { |
ef9f7306 | 1202 | .convert = monowhite_to_gray |
524c6b63 FB |
1203 | }, |
1204 | }, | |
1205 | [PIX_FMT_MONOBLACK] = { | |
2a877875 | 1206 | [PIX_FMT_GRAY8] = { |
ef9f7306 | 1207 | .convert = monoblack_to_gray |
524c6b63 FB |
1208 | }, |
1209 | }, | |
7e6d70d0 FB |
1210 | [PIX_FMT_PAL8] = { |
1211 | [PIX_FMT_RGB555] = { | |
1212 | .convert = pal8_to_rgb555 | |
1213 | }, | |
1214 | [PIX_FMT_RGB565] = { | |
1215 | .convert = pal8_to_rgb565 | |
1216 | }, | |
1217 | [PIX_FMT_BGR24] = { | |
1218 | .convert = pal8_to_bgr24 | |
1219 | }, | |
1220 | [PIX_FMT_RGB24] = { | |
1221 | .convert = pal8_to_rgb24 | |
1222 | }, | |
1223 | [PIX_FMT_RGBA32] = { | |
1224 | .convert = pal8_to_rgba32 | |
1225 | }, | |
1226 | }, | |
524c6b63 FB |
1227 | }; |
1228 | ||
1229 | static int avpicture_alloc(AVPicture *picture, | |
1230 | int pix_fmt, int width, int height) | |
1231 | { | |
5c91a675 | 1232 | unsigned int size; |
524c6b63 FB |
1233 | void *ptr; |
1234 | ||
1235 | size = avpicture_get_size(pix_fmt, width, height); | |
1236 | if (size < 0) | |
1237 | goto fail; | |
1238 | ptr = av_malloc(size); | |
1239 | if (!ptr) | |
1240 | goto fail; | |
1241 | avpicture_fill(picture, ptr, pix_fmt, width, height); | |
1242 | return 0; | |
1243 | fail: | |
1244 | memset(picture, 0, sizeof(AVPicture)); | |
1245 | return -1; | |
1246 | } | |
1247 | ||
1248 | static void avpicture_free(AVPicture *picture) | |
1249 | { | |
8e1e6f31 | 1250 | av_free(picture->data[0]); |
524c6b63 FB |
1251 | } |
1252 | ||
85c242d8 FB |
1253 | /* XXX: always use linesize. Return -1 if not supported */ |
1254 | int img_convert(AVPicture *dst, int dst_pix_fmt, | |
524c6b63 FB |
1255 | AVPicture *src, int src_pix_fmt, |
1256 | int src_width, int src_height) | |
85c242d8 | 1257 | { |
2a877875 | 1258 | int i, ret, dst_width, dst_height, int_pix_fmt; |
524c6b63 FB |
1259 | PixFmtInfo *src_pix, *dst_pix; |
1260 | ConvertEntry *ce; | |
1261 | AVPicture tmp1, *tmp = &tmp1; | |
1262 | ||
1263 | if (src_pix_fmt < 0 || src_pix_fmt >= PIX_FMT_NB || | |
1264 | dst_pix_fmt < 0 || dst_pix_fmt >= PIX_FMT_NB) | |
1265 | return -1; | |
1266 | if (src_width <= 0 || src_height <= 0) | |
1267 | return 0; | |
69572401 | 1268 | |
524c6b63 FB |
1269 | dst_width = src_width; |
1270 | dst_height = src_height; | |
69572401 | 1271 | |
524c6b63 FB |
1272 | dst_pix = &pix_fmt_info[dst_pix_fmt]; |
1273 | src_pix = &pix_fmt_info[src_pix_fmt]; | |
1274 | if (src_pix_fmt == dst_pix_fmt) { | |
2a877875 | 1275 | /* XXX: incorrect */ |
524c6b63 FB |
1276 | /* same format: just copy */ |
1277 | for(i = 0; i < dst_pix->nb_components; i++) { | |
1278 | int w, h; | |
1279 | w = dst_width; | |
1280 | h = dst_height; | |
1281 | if (dst_pix->is_yuv && (i == 1 || i == 2)) { | |
1282 | w >>= dst_pix->x_chroma_shift; | |
1283 | h >>= dst_pix->y_chroma_shift; | |
85c242d8 | 1284 | } |
524c6b63 FB |
1285 | img_copy(dst->data[i], dst->linesize[i], |
1286 | src->data[i], src->linesize[i], | |
1287 | w, h); | |
85c242d8 | 1288 | } |
524c6b63 FB |
1289 | return 0; |
1290 | } | |
1291 | ||
1292 | ce = &convert_table[src_pix_fmt][dst_pix_fmt]; | |
1293 | if (ce->convert) { | |
1294 | /* specific convertion routine */ | |
1295 | ce->convert(dst, src, dst_width, dst_height); | |
1296 | return 0; | |
1297 | } | |
1298 | ||
524c6b63 FB |
1299 | /* gray to YUV */ |
1300 | if (dst_pix->is_yuv && src_pix_fmt == PIX_FMT_GRAY8) { | |
1301 | int w, h, y; | |
1302 | uint8_t *d; | |
1303 | ||
1304 | img_copy(dst->data[0], dst->linesize[0], | |
1305 | src->data[0], src->linesize[0], | |
1306 | dst_width, dst_height); | |
1307 | /* fill U and V with 128 */ | |
1308 | w = dst_width; | |
1309 | h = dst_height; | |
1310 | w >>= dst_pix->x_chroma_shift; | |
1311 | h >>= dst_pix->y_chroma_shift; | |
1312 | for(i = 1; i <= 2; i++) { | |
1313 | d = dst->data[i]; | |
2a877875 FB |
1314 | for(y = 0; y< h; y++) { |
1315 | memset(d, 128, w); | |
524c6b63 FB |
1316 | d += dst->linesize[i]; |
1317 | } | |
b71472eb | 1318 | } |
524c6b63 FB |
1319 | return 0; |
1320 | } | |
1321 | ||
1322 | /* YUV to gray */ | |
1323 | if (src_pix->is_yuv && dst_pix_fmt == PIX_FMT_GRAY8) { | |
1324 | img_copy(dst->data[0], dst->linesize[0], | |
1325 | src->data[0], src->linesize[0], | |
1326 | dst_width, dst_height); | |
1327 | return 0; | |
1328 | } | |
1329 | ||
1330 | /* YUV to YUV */ | |
1331 | if (dst_pix->is_yuv && src_pix->is_yuv) { | |
1332 | int x_shift, y_shift, w, h; | |
1333 | void (*resize_func)(UINT8 *dst, int dst_wrap, | |
1334 | UINT8 *src, int src_wrap, | |
1335 | int width, int height); | |
1336 | ||
1337 | /* compute chroma size of the smallest dimensions */ | |
1338 | w = dst_width; | |
1339 | h = dst_height; | |
1340 | if (dst_pix->x_chroma_shift >= src_pix->x_chroma_shift) | |
1341 | w >>= dst_pix->x_chroma_shift; | |
1342 | else | |
1343 | w >>= src_pix->x_chroma_shift; | |
1344 | if (dst_pix->y_chroma_shift >= src_pix->y_chroma_shift) | |
1345 | h >>= dst_pix->y_chroma_shift; | |
1346 | else | |
1347 | h >>= src_pix->y_chroma_shift; | |
1348 | ||
1349 | x_shift = (dst_pix->x_chroma_shift - src_pix->x_chroma_shift); | |
1350 | y_shift = (dst_pix->y_chroma_shift - src_pix->y_chroma_shift); | |
1351 | if (x_shift == 0 && y_shift == 0) { | |
1352 | resize_func = img_copy; /* should never happen */ | |
1353 | } else if (x_shift == 0 && y_shift == 1) { | |
1354 | resize_func = shrink2; | |
1355 | } else if (x_shift == 1 && y_shift == 1) { | |
1356 | resize_func = shrink22; | |
1357 | } else if (x_shift == -1 && y_shift == -1) { | |
1358 | resize_func = grow22; | |
1359 | } else if (x_shift == -1 && y_shift == 1) { | |
1360 | resize_func = conv411; | |
1361 | } else { | |
1362 | /* currently not handled */ | |
85c242d8 FB |
1363 | return -1; |
1364 | } | |
524c6b63 FB |
1365 | |
1366 | img_copy(dst->data[0], dst->linesize[0], | |
1367 | src->data[0], src->linesize[0], | |
1368 | dst_width, dst_height); | |
566986ee | 1369 | |
524c6b63 | 1370 | for(i = 1;i <= 2; i++) |
566986ee MK |
1371 | resize_func(dst->data[i], dst->linesize[i], |
1372 | src->data[i], src->linesize[i], | |
524c6b63 | 1373 | w, h); |
566986ee | 1374 | return 0; |
85c242d8 | 1375 | } |
524c6b63 | 1376 | |
2a877875 FB |
1377 | /* try to use an intermediate format */ |
1378 | if (src_pix_fmt == PIX_FMT_MONOWHITE || | |
1379 | src_pix_fmt == PIX_FMT_MONOBLACK || | |
1380 | dst_pix_fmt == PIX_FMT_MONOWHITE || | |
1381 | dst_pix_fmt == PIX_FMT_MONOBLACK) { | |
1382 | int_pix_fmt = PIX_FMT_GRAY8; | |
1383 | } else { | |
1384 | int_pix_fmt = PIX_FMT_RGB24; | |
1385 | } | |
1386 | if (avpicture_alloc(tmp, int_pix_fmt, dst_width, dst_height) < 0) | |
1387 | return -1; | |
1388 | ret = -1; | |
1389 | if (img_convert(tmp, int_pix_fmt, | |
1390 | src, src_pix_fmt, src_width, src_height) < 0) | |
1391 | goto fail1; | |
1392 | if (img_convert(dst, dst_pix_fmt, | |
1393 | tmp, int_pix_fmt, dst_width, dst_height) < 0) | |
1394 | goto fail1; | |
1395 | ret = 0; | |
1396 | fail1: | |
1397 | avpicture_free(tmp); | |
1398 | return ret; | |
85c242d8 FB |
1399 | } |
1400 | ||
5981f4e6 F |
1401 | |
1402 | #ifdef HAVE_MMX | |
1403 | #define DEINT_INPLACE_LINE_LUM \ | |
1404 | movd_m2r(lum_m4[0],mm0);\ | |
1405 | movd_m2r(lum_m3[0],mm1);\ | |
1406 | movd_m2r(lum_m2[0],mm2);\ | |
1407 | movd_m2r(lum_m1[0],mm3);\ | |
1408 | movd_m2r(lum[0],mm4);\ | |
1409 | punpcklbw_r2r(mm7,mm0);\ | |
1410 | movd_r2m(mm2,lum_m4[0]);\ | |
1411 | punpcklbw_r2r(mm7,mm1);\ | |
1412 | punpcklbw_r2r(mm7,mm2);\ | |
1413 | punpcklbw_r2r(mm7,mm3);\ | |
1414 | punpcklbw_r2r(mm7,mm4);\ | |
1415 | paddw_r2r(mm3,mm1);\ | |
1416 | psllw_i2r(1,mm2);\ | |
1417 | paddw_r2r(mm4,mm0);\ | |
1418 | psllw_i2r(2,mm1);\ | |
1419 | paddw_r2r(mm6,mm2);\ | |
1420 | paddw_r2r(mm2,mm1);\ | |
1421 | psubusw_r2r(mm0,mm1);\ | |
1422 | psrlw_i2r(3,mm1);\ | |
1423 | packuswb_r2r(mm7,mm1);\ | |
1424 | movd_r2m(mm1,lum_m2[0]); | |
1425 | ||
1426 | #define DEINT_LINE_LUM \ | |
1427 | movd_m2r(lum_m4[0],mm0);\ | |
1428 | movd_m2r(lum_m3[0],mm1);\ | |
1429 | movd_m2r(lum_m2[0],mm2);\ | |
1430 | movd_m2r(lum_m1[0],mm3);\ | |
1431 | movd_m2r(lum[0],mm4);\ | |
1432 | punpcklbw_r2r(mm7,mm0);\ | |
1433 | punpcklbw_r2r(mm7,mm1);\ | |
1434 | punpcklbw_r2r(mm7,mm2);\ | |
1435 | punpcklbw_r2r(mm7,mm3);\ | |
1436 | punpcklbw_r2r(mm7,mm4);\ | |
1437 | paddw_r2r(mm3,mm1);\ | |
1438 | psllw_i2r(1,mm2);\ | |
1439 | paddw_r2r(mm4,mm0);\ | |
1440 | psllw_i2r(2,mm1);\ | |
1441 | paddw_r2r(mm6,mm2);\ | |
1442 | paddw_r2r(mm2,mm1);\ | |
1443 | psubusw_r2r(mm0,mm1);\ | |
1444 | psrlw_i2r(3,mm1);\ | |
1445 | packuswb_r2r(mm7,mm1);\ | |
1446 | movd_r2m(mm1,dst[0]); | |
1447 | #endif | |
1448 | ||
85c242d8 | 1449 | /* filter parameters: [-1 4 2 4 -1] // 8 */ |
5981f4e6 F |
1450 | static void deinterlace_line(UINT8 *dst, UINT8 *lum_m4, UINT8 *lum_m3, UINT8 *lum_m2, UINT8 *lum_m1, UINT8 *lum, |
1451 | int size) | |
85c242d8 | 1452 | { |
5981f4e6 | 1453 | #ifndef HAVE_MMX |
85c242d8 FB |
1454 | UINT8 *cm = cropTbl + MAX_NEG_CROP; |
1455 | int sum; | |
85c242d8 FB |
1456 | |
1457 | for(;size > 0;size--) { | |
5981f4e6 F |
1458 | sum = -lum_m4[0]; |
1459 | sum += lum_m3[0] << 2; | |
1460 | sum += lum_m2[0] << 1; | |
1461 | sum += lum_m1[0] << 2; | |
1462 | sum += -lum[0]; | |
85c242d8 | 1463 | dst[0] = cm[(sum + 4) >> 3]; |
5981f4e6 F |
1464 | lum_m4++; |
1465 | lum_m3++; | |
1466 | lum_m2++; | |
1467 | lum_m1++; | |
1468 | lum++; | |
85c242d8 | 1469 | dst++; |
85c242d8 | 1470 | } |
5981f4e6 F |
1471 | #else |
1472 | ||
782c5984 MN |
1473 | { |
1474 | mmx_t rounder; | |
1475 | rounder.uw[0]=4; | |
1476 | rounder.uw[1]=4; | |
1477 | rounder.uw[2]=4; | |
1478 | rounder.uw[3]=4; | |
1479 | pxor_r2r(mm7,mm7); | |
1480 | movq_m2r(rounder,mm6); | |
1481 | } | |
5981f4e6 F |
1482 | for (;size > 3; size-=4) { |
1483 | DEINT_LINE_LUM | |
1484 | lum_m4+=4; | |
1485 | lum_m3+=4; | |
1486 | lum_m2+=4; | |
1487 | lum_m1+=4; | |
1488 | lum+=4; | |
1489 | dst+=4; | |
1490 | } | |
1491 | #endif | |
1492 | } | |
1493 | static void deinterlace_line_inplace(UINT8 *lum_m4, UINT8 *lum_m3, UINT8 *lum_m2, UINT8 *lum_m1, UINT8 *lum, | |
1494 | int size) | |
1495 | { | |
1496 | #ifndef HAVE_MMX | |
1497 | UINT8 *cm = cropTbl + MAX_NEG_CROP; | |
1498 | int sum; | |
1499 | ||
1500 | for(;size > 0;size--) { | |
1501 | sum = -lum_m4[0]; | |
1502 | sum += lum_m3[0] << 2; | |
1503 | sum += lum_m2[0] << 1; | |
1504 | lum_m4[0]=lum_m2[0]; | |
1505 | sum += lum_m1[0] << 2; | |
1506 | sum += -lum[0]; | |
1507 | lum_m2[0] = cm[(sum + 4) >> 3]; | |
1508 | lum_m4++; | |
1509 | lum_m3++; | |
1510 | lum_m2++; | |
1511 | lum_m1++; | |
1512 | lum++; | |
1513 | } | |
1514 | #else | |
1515 | ||
782c5984 MN |
1516 | { |
1517 | mmx_t rounder; | |
1518 | rounder.uw[0]=4; | |
1519 | rounder.uw[1]=4; | |
1520 | rounder.uw[2]=4; | |
1521 | rounder.uw[3]=4; | |
1522 | pxor_r2r(mm7,mm7); | |
1523 | movq_m2r(rounder,mm6); | |
1524 | } | |
5981f4e6 F |
1525 | for (;size > 3; size-=4) { |
1526 | DEINT_INPLACE_LINE_LUM | |
1527 | lum_m4+=4; | |
1528 | lum_m3+=4; | |
1529 | lum_m2+=4; | |
1530 | lum_m1+=4; | |
1531 | lum+=4; | |
1532 | } | |
1533 | #endif | |
85c242d8 FB |
1534 | } |
1535 | ||
1536 | /* deinterlacing : 2 temporal taps, 3 spatial taps linear filter. The | |
1537 | top field is copied as is, but the bottom field is deinterlaced | |
1538 | against the top field. */ | |
1539 | static void deinterlace_bottom_field(UINT8 *dst, int dst_wrap, | |
5981f4e6 F |
1540 | UINT8 *src1, int src_wrap, |
1541 | int width, int height) | |
85c242d8 | 1542 | { |
5981f4e6 F |
1543 | UINT8 *src_m2, *src_m1, *src_0, *src_p1, *src_p2; |
1544 | int y; | |
1545 | ||
1546 | src_m2 = src1; | |
1547 | src_m1 = src1; | |
1548 | src_0=&src_m1[src_wrap]; | |
1549 | src_p1=&src_0[src_wrap]; | |
1550 | src_p2=&src_p1[src_wrap]; | |
1551 | for(y=0;y<(height-2);y+=2) { | |
1552 | memcpy(dst,src_m1,width); | |
85c242d8 | 1553 | dst += dst_wrap; |
5981f4e6 F |
1554 | deinterlace_line(dst,src_m2,src_m1,src_0,src_p1,src_p2,width); |
1555 | src_m2 = src_0; | |
1556 | src_m1 = src_p1; | |
1557 | src_0 = src_p2; | |
1558 | src_p1 += 2*src_wrap; | |
1559 | src_p2 += 2*src_wrap; | |
85c242d8 | 1560 | dst += dst_wrap; |
85c242d8 | 1561 | } |
5981f4e6 F |
1562 | memcpy(dst,src_m1,width); |
1563 | dst += dst_wrap; | |
1564 | /* do last line */ | |
1565 | deinterlace_line(dst,src_m2,src_m1,src_0,src_0,src_0,width); | |
1566 | } | |
1567 | ||
1568 | static void deinterlace_bottom_field_inplace(UINT8 *src1, int src_wrap, | |
1569 | int width, int height) | |
1570 | { | |
1571 | UINT8 *src_m1, *src_0, *src_p1, *src_p2; | |
1572 | int y; | |
1573 | UINT8 *buf; | |
1574 | buf = (UINT8*)av_malloc(width); | |
1575 | ||
1576 | src_m1 = src1; | |
1577 | memcpy(buf,src_m1,width); | |
1578 | src_0=&src_m1[src_wrap]; | |
1579 | src_p1=&src_0[src_wrap]; | |
1580 | src_p2=&src_p1[src_wrap]; | |
1581 | for(y=0;y<(height-2);y+=2) { | |
1582 | deinterlace_line_inplace(buf,src_m1,src_0,src_p1,src_p2,width); | |
1583 | src_m1 = src_p1; | |
1584 | src_0 = src_p2; | |
1585 | src_p1 += 2*src_wrap; | |
1586 | src_p2 += 2*src_wrap; | |
1587 | } | |
1588 | /* do last line */ | |
1589 | deinterlace_line_inplace(buf,src_m1,src_0,src_0,src_0,width); | |
6000abfa | 1590 | av_free(buf); |
85c242d8 FB |
1591 | } |
1592 | ||
1593 | ||
5981f4e6 | 1594 | /* deinterlace - if not supported return -1 */ |
85c242d8 | 1595 | int avpicture_deinterlace(AVPicture *dst, AVPicture *src, |
de6d9b64 FB |
1596 | int pix_fmt, int width, int height) |
1597 | { | |
85c242d8 FB |
1598 | int i; |
1599 | ||
1600 | if (pix_fmt != PIX_FMT_YUV420P && | |
1601 | pix_fmt != PIX_FMT_YUV422P && | |
1602 | pix_fmt != PIX_FMT_YUV444P) | |
1603 | return -1; | |
5981f4e6 | 1604 | if ((width & 3) != 0 || (height & 3) != 0) |
85c242d8 | 1605 | return -1; |
5981f4e6 | 1606 | |
85c242d8 FB |
1607 | for(i=0;i<3;i++) { |
1608 | if (i == 1) { | |
1609 | switch(pix_fmt) { | |
1610 | case PIX_FMT_YUV420P: | |
1611 | width >>= 1; | |
1612 | height >>= 1; | |
1613 | break; | |
1614 | case PIX_FMT_YUV422P: | |
1615 | width >>= 1; | |
1616 | break; | |
1617 | default: | |
1618 | break; | |
1619 | } | |
1620 | } | |
5981f4e6 F |
1621 | if (src == dst) { |
1622 | deinterlace_bottom_field_inplace(src->data[i], src->linesize[i], | |
85c242d8 | 1623 | width, height); |
5981f4e6 F |
1624 | } else { |
1625 | deinterlace_bottom_field(dst->data[i],dst->linesize[i], | |
1626 | src->data[i], src->linesize[i], | |
1627 | width, height); | |
1628 | } | |
de6d9b64 | 1629 | } |
5981f4e6 F |
1630 | #ifdef HAVE_MMX |
1631 | emms(); | |
1632 | #endif | |
85c242d8 | 1633 | return 0; |
de6d9b64 | 1634 | } |
cd4af68a ZK |
1635 | |
1636 | #undef FIX |