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