repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * software YUV to RGB converter | |
| 3 | * | |
| 4 | * Copyright (C) 2009 Konstantin Shishkov | |
| 5 | * | |
| 6 | * 1,4,8bpp support and context / deglobalize stuff | |
| 7 | * by Michael Niedermayer (michaelni@gmx.at) | |
| 8 | * | |
| 9 | * This file is part of FFmpeg. | |
| 10 | * | |
| 11 | * FFmpeg is free software; you can redistribute it and/or | |
| 12 | * modify it under the terms of the GNU Lesser General Public | |
| 13 | * License as published by the Free Software Foundation; either | |
| 14 | * version 2.1 of the License, or (at your option) any later version. | |
| 15 | * | |
| 16 | * FFmpeg is distributed in the hope that it will be useful, | |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 19 | * Lesser General Public License for more details. | |
| 20 | * | |
| 21 | * You should have received a copy of the GNU Lesser General Public | |
| 22 | * License along with FFmpeg; if not, write to the Free Software | |
| 23 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 24 | */ | |
| 25 | ||
| 26 | #include <stdio.h> | |
| 27 | #include <stdlib.h> | |
| 28 | #include <inttypes.h> | |
| 29 | ||
| 30 | #include "libavutil/cpu.h" | |
| 31 | #include "libavutil/bswap.h" | |
| 32 | #include "config.h" | |
| 33 | #include "rgb2rgb.h" | |
| 34 | #include "swscale.h" | |
| 35 | #include "swscale_internal.h" | |
| 36 | #include "libavutil/pixdesc.h" | |
| 37 | ||
| 38 | const int32_t ff_yuv2rgb_coeffs[8][4] = { | |
| 39 | { 117504, 138453, 13954, 34903 }, /* no sequence_display_extension */ | |
| 40 | { 117504, 138453, 13954, 34903 }, /* ITU-R Rec. 709 (1990) */ | |
| 41 | { 104597, 132201, 25675, 53279 }, /* unspecified */ | |
| 42 | { 104597, 132201, 25675, 53279 }, /* reserved */ | |
| 43 | { 104448, 132798, 24759, 53109 }, /* FCC */ | |
| 44 | { 104597, 132201, 25675, 53279 }, /* ITU-R Rec. 624-4 System B, G */ | |
| 45 | { 104597, 132201, 25675, 53279 }, /* SMPTE 170M */ | |
| 46 | { 117579, 136230, 16907, 35559 } /* SMPTE 240M (1987) */ | |
| 47 | }; | |
| 48 | ||
| 49 | const int *sws_getCoefficients(int colorspace) | |
| 50 | { | |
| 51 | if (colorspace > 7 || colorspace < 0) | |
| 52 | colorspace = SWS_CS_DEFAULT; | |
| 53 | return ff_yuv2rgb_coeffs[colorspace]; | |
| 54 | } | |
| 55 | ||
| 56 | #define LOADCHROMA(i) \ | |
| 57 | U = pu[i]; \ | |
| 58 | V = pv[i]; \ | |
| 59 | r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM]; \ | |
| 60 | g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] + c->table_gV[V+YUVRGB_TABLE_HEADROOM]); \ | |
| 61 | b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM]; | |
| 62 | ||
| 63 | #define PUTRGB(dst, src, i) \ | |
| 64 | Y = src[2 * i]; \ | |
| 65 | dst[2 * i] = r[Y] + g[Y] + b[Y]; \ | |
| 66 | Y = src[2 * i + 1]; \ | |
| 67 | dst[2 * i + 1] = r[Y] + g[Y] + b[Y]; | |
| 68 | ||
| 69 | #define PUTRGB24(dst, src, i) \ | |
| 70 | Y = src[2 * i]; \ | |
| 71 | dst[6 * i + 0] = r[Y]; \ | |
| 72 | dst[6 * i + 1] = g[Y]; \ | |
| 73 | dst[6 * i + 2] = b[Y]; \ | |
| 74 | Y = src[2 * i + 1]; \ | |
| 75 | dst[6 * i + 3] = r[Y]; \ | |
| 76 | dst[6 * i + 4] = g[Y]; \ | |
| 77 | dst[6 * i + 5] = b[Y]; | |
| 78 | ||
| 79 | #define PUTBGR24(dst, src, i) \ | |
| 80 | Y = src[2 * i]; \ | |
| 81 | dst[6 * i + 0] = b[Y]; \ | |
| 82 | dst[6 * i + 1] = g[Y]; \ | |
| 83 | dst[6 * i + 2] = r[Y]; \ | |
| 84 | Y = src[2 * i + 1]; \ | |
| 85 | dst[6 * i + 3] = b[Y]; \ | |
| 86 | dst[6 * i + 4] = g[Y]; \ | |
| 87 | dst[6 * i + 5] = r[Y]; | |
| 88 | ||
| 89 | #define PUTRGBA(dst, ysrc, asrc, i, s) \ | |
| 90 | Y = ysrc[2 * i]; \ | |
| 91 | dst[2 * i] = r[Y] + g[Y] + b[Y] + (asrc[2 * i] << s); \ | |
| 92 | Y = ysrc[2 * i + 1]; \ | |
| 93 | dst[2 * i + 1] = r[Y] + g[Y] + b[Y] + (asrc[2 * i + 1] << s); | |
| 94 | ||
| 95 | #define PUTRGB48(dst, src, i) \ | |
| 96 | Y = src[ 2 * i]; \ | |
| 97 | dst[12 * i + 0] = dst[12 * i + 1] = r[Y]; \ | |
| 98 | dst[12 * i + 2] = dst[12 * i + 3] = g[Y]; \ | |
| 99 | dst[12 * i + 4] = dst[12 * i + 5] = b[Y]; \ | |
| 100 | Y = src[ 2 * i + 1]; \ | |
| 101 | dst[12 * i + 6] = dst[12 * i + 7] = r[Y]; \ | |
| 102 | dst[12 * i + 8] = dst[12 * i + 9] = g[Y]; \ | |
| 103 | dst[12 * i + 10] = dst[12 * i + 11] = b[Y]; | |
| 104 | ||
| 105 | #define PUTBGR48(dst, src, i) \ | |
| 106 | Y = src[2 * i]; \ | |
| 107 | dst[12 * i + 0] = dst[12 * i + 1] = b[Y]; \ | |
| 108 | dst[12 * i + 2] = dst[12 * i + 3] = g[Y]; \ | |
| 109 | dst[12 * i + 4] = dst[12 * i + 5] = r[Y]; \ | |
| 110 | Y = src[2 * i + 1]; \ | |
| 111 | dst[12 * i + 6] = dst[12 * i + 7] = b[Y]; \ | |
| 112 | dst[12 * i + 8] = dst[12 * i + 9] = g[Y]; \ | |
| 113 | dst[12 * i + 10] = dst[12 * i + 11] = r[Y]; | |
| 114 | ||
| 115 | #define YUV2RGBFUNC(func_name, dst_type, alpha) \ | |
| 116 | static int func_name(SwsContext *c, const uint8_t *src[], \ | |
| 117 | int srcStride[], int srcSliceY, int srcSliceH, \ | |
| 118 | uint8_t *dst[], int dstStride[]) \ | |
| 119 | { \ | |
| 120 | int y; \ | |
| 121 | \ | |
| 122 | if (!alpha && c->srcFormat == AV_PIX_FMT_YUV422P) { \ | |
| 123 | srcStride[1] *= 2; \ | |
| 124 | srcStride[2] *= 2; \ | |
| 125 | } \ | |
| 126 | for (y = 0; y < srcSliceH; y += 2) { \ | |
| 127 | dst_type *dst_1 = \ | |
| 128 | (dst_type *)(dst[0] + (y + srcSliceY) * dstStride[0]); \ | |
| 129 | dst_type *dst_2 = \ | |
| 130 | (dst_type *)(dst[0] + (y + srcSliceY + 1) * dstStride[0]); \ | |
| 131 | dst_type av_unused *r, *g, *b; \ | |
| 132 | const uint8_t *py_1 = src[0] + y * srcStride[0]; \ | |
| 133 | const uint8_t *py_2 = py_1 + srcStride[0]; \ | |
| 134 | const uint8_t *pu = src[1] + (y >> 1) * srcStride[1]; \ | |
| 135 | const uint8_t *pv = src[2] + (y >> 1) * srcStride[2]; \ | |
| 136 | const uint8_t av_unused *pa_1, *pa_2; \ | |
| 137 | unsigned int h_size = c->dstW >> 3; \ | |
| 138 | if (alpha) { \ | |
| 139 | pa_1 = src[3] + y * srcStride[3]; \ | |
| 140 | pa_2 = pa_1 + srcStride[3]; \ | |
| 141 | } \ | |
| 142 | while (h_size--) { \ | |
| 143 | int av_unused U, V, Y; \ | |
| 144 | ||
| 145 | #define ENDYUV2RGBLINE(dst_delta, ss) \ | |
| 146 | pu += 4 >> ss; \ | |
| 147 | pv += 4 >> ss; \ | |
| 148 | py_1 += 8 >> ss; \ | |
| 149 | py_2 += 8 >> ss; \ | |
| 150 | dst_1 += dst_delta >> ss; \ | |
| 151 | dst_2 += dst_delta >> ss; \ | |
| 152 | } \ | |
| 153 | if (c->dstW & (4 >> ss)) { \ | |
| 154 | int av_unused Y, U, V; \ | |
| 155 | ||
| 156 | #define ENDYUV2RGBFUNC() \ | |
| 157 | } \ | |
| 158 | } \ | |
| 159 | return srcSliceH; \ | |
| 160 | } | |
| 161 | ||
| 162 | #define CLOSEYUV2RGBFUNC(dst_delta) \ | |
| 163 | ENDYUV2RGBLINE(dst_delta, 0) \ | |
| 164 | ENDYUV2RGBFUNC() | |
| 165 | ||
| 166 | YUV2RGBFUNC(yuv2rgb_c_48, uint8_t, 0) | |
| 167 | LOADCHROMA(0); | |
| 168 | PUTRGB48(dst_1, py_1, 0); | |
| 169 | PUTRGB48(dst_2, py_2, 0); | |
| 170 | ||
| 171 | LOADCHROMA(1); | |
| 172 | PUTRGB48(dst_2, py_2, 1); | |
| 173 | PUTRGB48(dst_1, py_1, 1); | |
| 174 | ||
| 175 | LOADCHROMA(2); | |
| 176 | PUTRGB48(dst_1, py_1, 2); | |
| 177 | PUTRGB48(dst_2, py_2, 2); | |
| 178 | ||
| 179 | LOADCHROMA(3); | |
| 180 | PUTRGB48(dst_2, py_2, 3); | |
| 181 | PUTRGB48(dst_1, py_1, 3); | |
| 182 | ENDYUV2RGBLINE(48, 0) | |
| 183 | LOADCHROMA(0); | |
| 184 | PUTRGB48(dst_1, py_1, 0); | |
| 185 | PUTRGB48(dst_2, py_2, 0); | |
| 186 | ||
| 187 | LOADCHROMA(1); | |
| 188 | PUTRGB48(dst_2, py_2, 1); | |
| 189 | PUTRGB48(dst_1, py_1, 1); | |
| 190 | ENDYUV2RGBLINE(48, 1) | |
| 191 | LOADCHROMA(0); | |
| 192 | PUTRGB48(dst_1, py_1, 0); | |
| 193 | PUTRGB48(dst_2, py_2, 0); | |
| 194 | ENDYUV2RGBFUNC() | |
| 195 | ||
| 196 | YUV2RGBFUNC(yuv2rgb_c_bgr48, uint8_t, 0) | |
| 197 | LOADCHROMA(0); | |
| 198 | PUTBGR48(dst_1, py_1, 0); | |
| 199 | PUTBGR48(dst_2, py_2, 0); | |
| 200 | ||
| 201 | LOADCHROMA(1); | |
| 202 | PUTBGR48(dst_2, py_2, 1); | |
| 203 | PUTBGR48(dst_1, py_1, 1); | |
| 204 | ||
| 205 | LOADCHROMA(2); | |
| 206 | PUTBGR48(dst_1, py_1, 2); | |
| 207 | PUTBGR48(dst_2, py_2, 2); | |
| 208 | ||
| 209 | LOADCHROMA(3); | |
| 210 | PUTBGR48(dst_2, py_2, 3); | |
| 211 | PUTBGR48(dst_1, py_1, 3); | |
| 212 | ENDYUV2RGBLINE(48, 0) | |
| 213 | LOADCHROMA(0); | |
| 214 | PUTBGR48(dst_1, py_1, 0); | |
| 215 | PUTBGR48(dst_2, py_2, 0); | |
| 216 | ||
| 217 | LOADCHROMA(1); | |
| 218 | PUTBGR48(dst_2, py_2, 1); | |
| 219 | PUTBGR48(dst_1, py_1, 1); | |
| 220 | ENDYUV2RGBLINE(48, 1) | |
| 221 | LOADCHROMA(0); | |
| 222 | PUTBGR48(dst_1, py_1, 0); | |
| 223 | PUTBGR48(dst_2, py_2, 0); | |
| 224 | ENDYUV2RGBFUNC() | |
| 225 | ||
| 226 | YUV2RGBFUNC(yuv2rgb_c_32, uint32_t, 0) | |
| 227 | LOADCHROMA(0); | |
| 228 | PUTRGB(dst_1, py_1, 0); | |
| 229 | PUTRGB(dst_2, py_2, 0); | |
| 230 | ||
| 231 | LOADCHROMA(1); | |
| 232 | PUTRGB(dst_2, py_2, 1); | |
| 233 | PUTRGB(dst_1, py_1, 1); | |
| 234 | ||
| 235 | LOADCHROMA(2); | |
| 236 | PUTRGB(dst_1, py_1, 2); | |
| 237 | PUTRGB(dst_2, py_2, 2); | |
| 238 | ||
| 239 | LOADCHROMA(3); | |
| 240 | PUTRGB(dst_2, py_2, 3); | |
| 241 | PUTRGB(dst_1, py_1, 3); | |
| 242 | ENDYUV2RGBLINE(8, 0) | |
| 243 | LOADCHROMA(0); | |
| 244 | PUTRGB(dst_1, py_1, 0); | |
| 245 | PUTRGB(dst_2, py_2, 0); | |
| 246 | ||
| 247 | LOADCHROMA(1); | |
| 248 | PUTRGB(dst_2, py_2, 1); | |
| 249 | PUTRGB(dst_1, py_1, 1); | |
| 250 | ENDYUV2RGBLINE(8, 1) | |
| 251 | LOADCHROMA(0); | |
| 252 | PUTRGB(dst_1, py_1, 0); | |
| 253 | PUTRGB(dst_2, py_2, 0); | |
| 254 | ENDYUV2RGBFUNC() | |
| 255 | ||
| 256 | YUV2RGBFUNC(yuva2rgba_c, uint32_t, 1) | |
| 257 | LOADCHROMA(0); | |
| 258 | PUTRGBA(dst_1, py_1, pa_1, 0, 24); | |
| 259 | PUTRGBA(dst_2, py_2, pa_2, 0, 24); | |
| 260 | ||
| 261 | LOADCHROMA(1); | |
| 262 | PUTRGBA(dst_2, py_2, pa_2, 1, 24); | |
| 263 | PUTRGBA(dst_1, py_1, pa_1, 1, 24); | |
| 264 | ||
| 265 | LOADCHROMA(2); | |
| 266 | PUTRGBA(dst_1, py_1, pa_1, 2, 24); | |
| 267 | PUTRGBA(dst_2, py_2, pa_2, 2, 24); | |
| 268 | ||
| 269 | LOADCHROMA(3); | |
| 270 | PUTRGBA(dst_2, py_2, pa_2, 3, 24); | |
| 271 | PUTRGBA(dst_1, py_1, pa_1, 3, 24); | |
| 272 | pa_1 += 8; | |
| 273 | pa_2 += 8; | |
| 274 | ENDYUV2RGBLINE(8, 0) | |
| 275 | LOADCHROMA(0); | |
| 276 | PUTRGBA(dst_1, py_1, pa_1, 0, 24); | |
| 277 | PUTRGBA(dst_2, py_2, pa_2, 0, 24); | |
| 278 | ||
| 279 | LOADCHROMA(1); | |
| 280 | PUTRGBA(dst_2, py_2, pa_2, 1, 24); | |
| 281 | PUTRGBA(dst_1, py_1, pa_1, 1, 24); | |
| 282 | pa_1 += 4; | |
| 283 | pa_2 += 4; | |
| 284 | ENDYUV2RGBLINE(8, 1) | |
| 285 | LOADCHROMA(0); | |
| 286 | PUTRGBA(dst_1, py_1, pa_1, 0, 24); | |
| 287 | PUTRGBA(dst_2, py_2, pa_2, 0, 24); | |
| 288 | ENDYUV2RGBFUNC() | |
| 289 | ||
| 290 | YUV2RGBFUNC(yuva2argb_c, uint32_t, 1) | |
| 291 | LOADCHROMA(0); | |
| 292 | PUTRGBA(dst_1, py_1, pa_1, 0, 0); | |
| 293 | PUTRGBA(dst_2, py_2, pa_2, 0, 0); | |
| 294 | ||
| 295 | LOADCHROMA(1); | |
| 296 | PUTRGBA(dst_2, py_2, pa_2, 1, 0); | |
| 297 | PUTRGBA(dst_1, py_1, pa_1, 1, 0); | |
| 298 | ||
| 299 | LOADCHROMA(2); | |
| 300 | PUTRGBA(dst_1, py_1, pa_1, 2, 0); | |
| 301 | PUTRGBA(dst_2, py_2, pa_2, 2, 0); | |
| 302 | ||
| 303 | LOADCHROMA(3); | |
| 304 | PUTRGBA(dst_2, py_2, pa_2, 3, 0); | |
| 305 | PUTRGBA(dst_1, py_1, pa_1, 3, 0); | |
| 306 | pa_1 += 8; | |
| 307 | pa_2 += 8; | |
| 308 | ENDYUV2RGBLINE(8, 0) | |
| 309 | LOADCHROMA(0); | |
| 310 | PUTRGBA(dst_1, py_1, pa_1, 0, 0); | |
| 311 | PUTRGBA(dst_2, py_2, pa_2, 0, 0); | |
| 312 | ||
| 313 | LOADCHROMA(1); | |
| 314 | PUTRGBA(dst_2, py_2, pa_2, 1, 0); | |
| 315 | PUTRGBA(dst_1, py_1, pa_1, 1, 0); | |
| 316 | pa_1 += 4; | |
| 317 | pa_2 += 4; | |
| 318 | ENDYUV2RGBLINE(8, 1) | |
| 319 | LOADCHROMA(0); | |
| 320 | PUTRGBA(dst_1, py_1, pa_1, 0, 0); | |
| 321 | PUTRGBA(dst_2, py_2, pa_2, 0, 0); | |
| 322 | ENDYUV2RGBFUNC() | |
| 323 | ||
| 324 | YUV2RGBFUNC(yuv2rgb_c_24_rgb, uint8_t, 0) | |
| 325 | LOADCHROMA(0); | |
| 326 | PUTRGB24(dst_1, py_1, 0); | |
| 327 | PUTRGB24(dst_2, py_2, 0); | |
| 328 | ||
| 329 | LOADCHROMA(1); | |
| 330 | PUTRGB24(dst_2, py_2, 1); | |
| 331 | PUTRGB24(dst_1, py_1, 1); | |
| 332 | ||
| 333 | LOADCHROMA(2); | |
| 334 | PUTRGB24(dst_1, py_1, 2); | |
| 335 | PUTRGB24(dst_2, py_2, 2); | |
| 336 | ||
| 337 | LOADCHROMA(3); | |
| 338 | PUTRGB24(dst_2, py_2, 3); | |
| 339 | PUTRGB24(dst_1, py_1, 3); | |
| 340 | ENDYUV2RGBLINE(24, 0) | |
| 341 | LOADCHROMA(0); | |
| 342 | PUTRGB24(dst_1, py_1, 0); | |
| 343 | PUTRGB24(dst_2, py_2, 0); | |
| 344 | ||
| 345 | LOADCHROMA(1); | |
| 346 | PUTRGB24(dst_2, py_2, 1); | |
| 347 | PUTRGB24(dst_1, py_1, 1); | |
| 348 | ENDYUV2RGBLINE(24, 1) | |
| 349 | LOADCHROMA(0); | |
| 350 | PUTRGB24(dst_1, py_1, 0); | |
| 351 | PUTRGB24(dst_2, py_2, 0); | |
| 352 | ENDYUV2RGBFUNC() | |
| 353 | ||
| 354 | // only trivial mods from yuv2rgb_c_24_rgb | |
| 355 | YUV2RGBFUNC(yuv2rgb_c_24_bgr, uint8_t, 0) | |
| 356 | LOADCHROMA(0); | |
| 357 | PUTBGR24(dst_1, py_1, 0); | |
| 358 | PUTBGR24(dst_2, py_2, 0); | |
| 359 | ||
| 360 | LOADCHROMA(1); | |
| 361 | PUTBGR24(dst_2, py_2, 1); | |
| 362 | PUTBGR24(dst_1, py_1, 1); | |
| 363 | ||
| 364 | LOADCHROMA(2); | |
| 365 | PUTBGR24(dst_1, py_1, 2); | |
| 366 | PUTBGR24(dst_2, py_2, 2); | |
| 367 | ||
| 368 | LOADCHROMA(3); | |
| 369 | PUTBGR24(dst_2, py_2, 3); | |
| 370 | PUTBGR24(dst_1, py_1, 3); | |
| 371 | ENDYUV2RGBLINE(24, 0) | |
| 372 | LOADCHROMA(0); | |
| 373 | PUTBGR24(dst_1, py_1, 0); | |
| 374 | PUTBGR24(dst_2, py_2, 0); | |
| 375 | ||
| 376 | LOADCHROMA(1); | |
| 377 | PUTBGR24(dst_2, py_2, 1); | |
| 378 | PUTBGR24(dst_1, py_1, 1); | |
| 379 | ENDYUV2RGBLINE(24, 1) | |
| 380 | LOADCHROMA(0); | |
| 381 | PUTBGR24(dst_1, py_1, 0); | |
| 382 | PUTBGR24(dst_2, py_2, 0); | |
| 383 | ENDYUV2RGBFUNC() | |
| 384 | ||
| 385 | YUV2RGBFUNC(yuv2rgb_c_16_ordered_dither, uint16_t, 0) | |
| 386 | const uint8_t *d16 = ff_dither_2x2_8[y & 1]; | |
| 387 | const uint8_t *e16 = ff_dither_2x2_4[y & 1]; | |
| 388 | const uint8_t *f16 = ff_dither_2x2_8[(y & 1)^1]; | |
| 389 | ||
| 390 | #define PUTRGB16(dst, src, i, o) \ | |
| 391 | Y = src[2 * i]; \ | |
| 392 | dst[2 * i] = r[Y + d16[0 + o]] + \ | |
| 393 | g[Y + e16[0 + o]] + \ | |
| 394 | b[Y + f16[0 + o]]; \ | |
| 395 | Y = src[2 * i + 1]; \ | |
| 396 | dst[2 * i + 1] = r[Y + d16[1 + o]] + \ | |
| 397 | g[Y + e16[1 + o]] + \ | |
| 398 | b[Y + f16[1 + o]]; | |
| 399 | LOADCHROMA(0); | |
| 400 | PUTRGB16(dst_1, py_1, 0, 0); | |
| 401 | PUTRGB16(dst_2, py_2, 0, 0 + 8); | |
| 402 | ||
| 403 | LOADCHROMA(1); | |
| 404 | PUTRGB16(dst_2, py_2, 1, 2 + 8); | |
| 405 | PUTRGB16(dst_1, py_1, 1, 2); | |
| 406 | ||
| 407 | LOADCHROMA(2); | |
| 408 | PUTRGB16(dst_1, py_1, 2, 4); | |
| 409 | PUTRGB16(dst_2, py_2, 2, 4 + 8); | |
| 410 | ||
| 411 | LOADCHROMA(3); | |
| 412 | PUTRGB16(dst_2, py_2, 3, 6 + 8); | |
| 413 | PUTRGB16(dst_1, py_1, 3, 6); | |
| 414 | CLOSEYUV2RGBFUNC(8) | |
| 415 | ||
| 416 | YUV2RGBFUNC(yuv2rgb_c_15_ordered_dither, uint16_t, 0) | |
| 417 | const uint8_t *d16 = ff_dither_2x2_8[y & 1]; | |
| 418 | const uint8_t *e16 = ff_dither_2x2_8[(y & 1)^1]; | |
| 419 | ||
| 420 | #define PUTRGB15(dst, src, i, o) \ | |
| 421 | Y = src[2 * i]; \ | |
| 422 | dst[2 * i] = r[Y + d16[0 + o]] + \ | |
| 423 | g[Y + d16[1 + o]] + \ | |
| 424 | b[Y + e16[0 + o]]; \ | |
| 425 | Y = src[2 * i + 1]; \ | |
| 426 | dst[2 * i + 1] = r[Y + d16[1 + o]] + \ | |
| 427 | g[Y + d16[0 + o]] + \ | |
| 428 | b[Y + e16[1 + o]]; | |
| 429 | LOADCHROMA(0); | |
| 430 | PUTRGB15(dst_1, py_1, 0, 0); | |
| 431 | PUTRGB15(dst_2, py_2, 0, 0 + 8); | |
| 432 | ||
| 433 | LOADCHROMA(1); | |
| 434 | PUTRGB15(dst_2, py_2, 1, 2 + 8); | |
| 435 | PUTRGB15(dst_1, py_1, 1, 2); | |
| 436 | ||
| 437 | LOADCHROMA(2); | |
| 438 | PUTRGB15(dst_1, py_1, 2, 4); | |
| 439 | PUTRGB15(dst_2, py_2, 2, 4 + 8); | |
| 440 | ||
| 441 | LOADCHROMA(3); | |
| 442 | PUTRGB15(dst_2, py_2, 3, 6 + 8); | |
| 443 | PUTRGB15(dst_1, py_1, 3, 6); | |
| 444 | CLOSEYUV2RGBFUNC(8) | |
| 445 | ||
| 446 | // r, g, b, dst_1, dst_2 | |
| 447 | YUV2RGBFUNC(yuv2rgb_c_12_ordered_dither, uint16_t, 0) | |
| 448 | const uint8_t *d16 = ff_dither_4x4_16[y & 3]; | |
| 449 | ||
| 450 | #define PUTRGB12(dst, src, i, o) \ | |
| 451 | Y = src[2 * i]; \ | |
| 452 | dst[2 * i] = r[Y + d16[0 + o]] + \ | |
| 453 | g[Y + d16[0 + o]] + \ | |
| 454 | b[Y + d16[0 + o]]; \ | |
| 455 | Y = src[2 * i + 1]; \ | |
| 456 | dst[2 * i + 1] = r[Y + d16[1 + o]] + \ | |
| 457 | g[Y + d16[1 + o]] + \ | |
| 458 | b[Y + d16[1 + o]]; | |
| 459 | ||
| 460 | LOADCHROMA(0); | |
| 461 | PUTRGB12(dst_1, py_1, 0, 0); | |
| 462 | PUTRGB12(dst_2, py_2, 0, 0 + 8); | |
| 463 | ||
| 464 | LOADCHROMA(1); | |
| 465 | PUTRGB12(dst_2, py_2, 1, 2 + 8); | |
| 466 | PUTRGB12(dst_1, py_1, 1, 2); | |
| 467 | ||
| 468 | LOADCHROMA(2); | |
| 469 | PUTRGB12(dst_1, py_1, 2, 4); | |
| 470 | PUTRGB12(dst_2, py_2, 2, 4 + 8); | |
| 471 | ||
| 472 | LOADCHROMA(3); | |
| 473 | PUTRGB12(dst_2, py_2, 3, 6 + 8); | |
| 474 | PUTRGB12(dst_1, py_1, 3, 6); | |
| 475 | CLOSEYUV2RGBFUNC(8) | |
| 476 | ||
| 477 | // r, g, b, dst_1, dst_2 | |
| 478 | YUV2RGBFUNC(yuv2rgb_c_8_ordered_dither, uint8_t, 0) | |
| 479 | const uint8_t *d32 = ff_dither_8x8_32[y & 7]; | |
| 480 | const uint8_t *d64 = ff_dither_8x8_73[y & 7]; | |
| 481 | ||
| 482 | #define PUTRGB8(dst, src, i, o) \ | |
| 483 | Y = src[2 * i]; \ | |
| 484 | dst[2 * i] = r[Y + d32[0 + o]] + \ | |
| 485 | g[Y + d32[0 + o]] + \ | |
| 486 | b[Y + d64[0 + o]]; \ | |
| 487 | Y = src[2 * i + 1]; \ | |
| 488 | dst[2 * i + 1] = r[Y + d32[1 + o]] + \ | |
| 489 | g[Y + d32[1 + o]] + \ | |
| 490 | b[Y + d64[1 + o]]; | |
| 491 | ||
| 492 | LOADCHROMA(0); | |
| 493 | PUTRGB8(dst_1, py_1, 0, 0); | |
| 494 | PUTRGB8(dst_2, py_2, 0, 0 + 8); | |
| 495 | ||
| 496 | LOADCHROMA(1); | |
| 497 | PUTRGB8(dst_2, py_2, 1, 2 + 8); | |
| 498 | PUTRGB8(dst_1, py_1, 1, 2); | |
| 499 | ||
| 500 | LOADCHROMA(2); | |
| 501 | PUTRGB8(dst_1, py_1, 2, 4); | |
| 502 | PUTRGB8(dst_2, py_2, 2, 4 + 8); | |
| 503 | ||
| 504 | LOADCHROMA(3); | |
| 505 | PUTRGB8(dst_2, py_2, 3, 6 + 8); | |
| 506 | PUTRGB8(dst_1, py_1, 3, 6); | |
| 507 | CLOSEYUV2RGBFUNC(8) | |
| 508 | ||
| 509 | YUV2RGBFUNC(yuv2rgb_c_4_ordered_dither, uint8_t, 0) | |
| 510 | const uint8_t * d64 = ff_dither_8x8_73[y & 7]; | |
| 511 | const uint8_t *d128 = ff_dither_8x8_220[y & 7]; | |
| 512 | int acc; | |
| 513 | ||
| 514 | #define PUTRGB4D(dst, src, i, o) \ | |
| 515 | Y = src[2 * i]; \ | |
| 516 | acc = r[Y + d128[0 + o]] + \ | |
| 517 | g[Y + d64[0 + o]] + \ | |
| 518 | b[Y + d128[0 + o]]; \ | |
| 519 | Y = src[2 * i + 1]; \ | |
| 520 | acc |= (r[Y + d128[1 + o]] + \ | |
| 521 | g[Y + d64[1 + o]] + \ | |
| 522 | b[Y + d128[1 + o]]) << 4; \ | |
| 523 | dst[i] = acc; | |
| 524 | ||
| 525 | LOADCHROMA(0); | |
| 526 | PUTRGB4D(dst_1, py_1, 0, 0); | |
| 527 | PUTRGB4D(dst_2, py_2, 0, 0 + 8); | |
| 528 | ||
| 529 | LOADCHROMA(1); | |
| 530 | PUTRGB4D(dst_2, py_2, 1, 2 + 8); | |
| 531 | PUTRGB4D(dst_1, py_1, 1, 2); | |
| 532 | ||
| 533 | LOADCHROMA(2); | |
| 534 | PUTRGB4D(dst_1, py_1, 2, 4); | |
| 535 | PUTRGB4D(dst_2, py_2, 2, 4 + 8); | |
| 536 | ||
| 537 | LOADCHROMA(3); | |
| 538 | PUTRGB4D(dst_2, py_2, 3, 6 + 8); | |
| 539 | PUTRGB4D(dst_1, py_1, 3, 6); | |
| 540 | CLOSEYUV2RGBFUNC(4) | |
| 541 | ||
| 542 | YUV2RGBFUNC(yuv2rgb_c_4b_ordered_dither, uint8_t, 0) | |
| 543 | const uint8_t *d64 = ff_dither_8x8_73[y & 7]; | |
| 544 | const uint8_t *d128 = ff_dither_8x8_220[y & 7]; | |
| 545 | ||
| 546 | #define PUTRGB4DB(dst, src, i, o) \ | |
| 547 | Y = src[2 * i]; \ | |
| 548 | dst[2 * i] = r[Y + d128[0 + o]] + \ | |
| 549 | g[Y + d64[0 + o]] + \ | |
| 550 | b[Y + d128[0 + o]]; \ | |
| 551 | Y = src[2 * i + 1]; \ | |
| 552 | dst[2 * i + 1] = r[Y + d128[1 + o]] + \ | |
| 553 | g[Y + d64[1 + o]] + \ | |
| 554 | b[Y + d128[1 + o]]; | |
| 555 | ||
| 556 | LOADCHROMA(0); | |
| 557 | PUTRGB4DB(dst_1, py_1, 0, 0); | |
| 558 | PUTRGB4DB(dst_2, py_2, 0, 0 + 8); | |
| 559 | ||
| 560 | LOADCHROMA(1); | |
| 561 | PUTRGB4DB(dst_2, py_2, 1, 2 + 8); | |
| 562 | PUTRGB4DB(dst_1, py_1, 1, 2); | |
| 563 | ||
| 564 | LOADCHROMA(2); | |
| 565 | PUTRGB4DB(dst_1, py_1, 2, 4); | |
| 566 | PUTRGB4DB(dst_2, py_2, 2, 4 + 8); | |
| 567 | ||
| 568 | LOADCHROMA(3); | |
| 569 | PUTRGB4DB(dst_2, py_2, 3, 6 + 8); | |
| 570 | PUTRGB4DB(dst_1, py_1, 3, 6); | |
| 571 | CLOSEYUV2RGBFUNC(8) | |
| 572 | ||
| 573 | YUV2RGBFUNC(yuv2rgb_c_1_ordered_dither, uint8_t, 0) | |
| 574 | const uint8_t *d128 = ff_dither_8x8_220[y & 7]; | |
| 575 | char out_1 = 0, out_2 = 0; | |
| 576 | g = c->table_gU[128 + YUVRGB_TABLE_HEADROOM] + c->table_gV[128 + YUVRGB_TABLE_HEADROOM]; | |
| 577 | ||
| 578 | #define PUTRGB1(out, src, i, o) \ | |
| 579 | Y = src[2 * i]; \ | |
| 580 | out += out + g[Y + d128[0 + o]]; \ | |
| 581 | Y = src[2 * i + 1]; \ | |
| 582 | out += out + g[Y + d128[1 + o]]; | |
| 583 | ||
| 584 | PUTRGB1(out_1, py_1, 0, 0); | |
| 585 | PUTRGB1(out_2, py_2, 0, 0 + 8); | |
| 586 | ||
| 587 | PUTRGB1(out_2, py_2, 1, 2 + 8); | |
| 588 | PUTRGB1(out_1, py_1, 1, 2); | |
| 589 | ||
| 590 | PUTRGB1(out_1, py_1, 2, 4); | |
| 591 | PUTRGB1(out_2, py_2, 2, 4 + 8); | |
| 592 | ||
| 593 | PUTRGB1(out_2, py_2, 3, 6 + 8); | |
| 594 | PUTRGB1(out_1, py_1, 3, 6); | |
| 595 | ||
| 596 | dst_1[0] = out_1; | |
| 597 | dst_2[0] = out_2; | |
| 598 | CLOSEYUV2RGBFUNC(1) | |
| 599 | ||
| 600 | SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c) | |
| 601 | { | |
| 602 | SwsFunc t = NULL; | |
| 603 | ||
| 604 | if (ARCH_PPC) | |
| 605 | t = ff_yuv2rgb_init_ppc(c); | |
| 606 | if (ARCH_X86) | |
| 607 | t = ff_yuv2rgb_init_x86(c); | |
| 608 | ||
| 609 | if (t) | |
| 610 | return t; | |
| 611 | ||
| 612 | av_log(c, AV_LOG_WARNING, | |
| 613 | "No accelerated colorspace conversion found from %s to %s.\n", | |
| 614 | av_get_pix_fmt_name(c->srcFormat), av_get_pix_fmt_name(c->dstFormat)); | |
| 615 | ||
| 616 | switch (c->dstFormat) { | |
| 617 | case AV_PIX_FMT_BGR48BE: | |
| 618 | case AV_PIX_FMT_BGR48LE: | |
| 619 | return yuv2rgb_c_bgr48; | |
| 620 | case AV_PIX_FMT_RGB48BE: | |
| 621 | case AV_PIX_FMT_RGB48LE: | |
| 622 | return yuv2rgb_c_48; | |
| 623 | case AV_PIX_FMT_ARGB: | |
| 624 | case AV_PIX_FMT_ABGR: | |
| 625 | if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) | |
| 626 | return yuva2argb_c; | |
| 627 | case AV_PIX_FMT_RGBA: | |
| 628 | case AV_PIX_FMT_BGRA: | |
| 629 | return (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) ? yuva2rgba_c : yuv2rgb_c_32; | |
| 630 | case AV_PIX_FMT_RGB24: | |
| 631 | return yuv2rgb_c_24_rgb; | |
| 632 | case AV_PIX_FMT_BGR24: | |
| 633 | return yuv2rgb_c_24_bgr; | |
| 634 | case AV_PIX_FMT_RGB565: | |
| 635 | case AV_PIX_FMT_BGR565: | |
| 636 | return yuv2rgb_c_16_ordered_dither; | |
| 637 | case AV_PIX_FMT_RGB555: | |
| 638 | case AV_PIX_FMT_BGR555: | |
| 639 | return yuv2rgb_c_15_ordered_dither; | |
| 640 | case AV_PIX_FMT_RGB444: | |
| 641 | case AV_PIX_FMT_BGR444: | |
| 642 | return yuv2rgb_c_12_ordered_dither; | |
| 643 | case AV_PIX_FMT_RGB8: | |
| 644 | case AV_PIX_FMT_BGR8: | |
| 645 | return yuv2rgb_c_8_ordered_dither; | |
| 646 | case AV_PIX_FMT_RGB4: | |
| 647 | case AV_PIX_FMT_BGR4: | |
| 648 | return yuv2rgb_c_4_ordered_dither; | |
| 649 | case AV_PIX_FMT_RGB4_BYTE: | |
| 650 | case AV_PIX_FMT_BGR4_BYTE: | |
| 651 | return yuv2rgb_c_4b_ordered_dither; | |
| 652 | case AV_PIX_FMT_MONOBLACK: | |
| 653 | return yuv2rgb_c_1_ordered_dither; | |
| 654 | } | |
| 655 | return NULL; | |
| 656 | } | |
| 657 | ||
| 658 | static void fill_table(uint8_t* table[256 + 2*YUVRGB_TABLE_HEADROOM], const int elemsize, | |
| 659 | const int64_t inc, void *y_tab) | |
| 660 | { | |
| 661 | int i; | |
| 662 | uint8_t *y_table = y_tab; | |
| 663 | ||
| 664 | y_table -= elemsize * (inc >> 9); | |
| 665 | ||
| 666 | for (i = 0; i < 256 + 2*YUVRGB_TABLE_HEADROOM; i++) { | |
| 667 | int64_t cb = av_clip(i-YUVRGB_TABLE_HEADROOM, 0, 255)*inc; | |
| 668 | table[i] = y_table + elemsize * (cb >> 16); | |
| 669 | } | |
| 670 | } | |
| 671 | ||
| 672 | static void fill_gv_table(int table[256 + 2*YUVRGB_TABLE_HEADROOM], const int elemsize, const int64_t inc) | |
| 673 | { | |
| 674 | int i; | |
| 675 | int off = -(inc >> 9); | |
| 676 | ||
| 677 | for (i = 0; i < 256 + 2*YUVRGB_TABLE_HEADROOM; i++) { | |
| 678 | int64_t cb = av_clip(i-YUVRGB_TABLE_HEADROOM, 0, 255)*inc; | |
| 679 | table[i] = elemsize * (off + (cb >> 16)); | |
| 680 | } | |
| 681 | } | |
| 682 | ||
| 683 | static uint16_t roundToInt16(int64_t f) | |
| 684 | { | |
| 685 | int r = (f + (1 << 15)) >> 16; | |
| 686 | ||
| 687 | if (r < -0x7FFF) | |
| 688 | return 0x8000; | |
| 689 | else if (r > 0x7FFF) | |
| 690 | return 0x7FFF; | |
| 691 | else | |
| 692 | return r; | |
| 693 | } | |
| 694 | ||
| 695 | av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], | |
| 696 | int fullRange, int brightness, | |
| 697 | int contrast, int saturation) | |
| 698 | { | |
| 699 | const int isRgb = c->dstFormat == AV_PIX_FMT_RGB32 || | |
| 700 | c->dstFormat == AV_PIX_FMT_RGB32_1 || | |
| 701 | c->dstFormat == AV_PIX_FMT_BGR24 || | |
| 702 | c->dstFormat == AV_PIX_FMT_RGB565BE || | |
| 703 | c->dstFormat == AV_PIX_FMT_RGB565LE || | |
| 704 | c->dstFormat == AV_PIX_FMT_RGB555BE || | |
| 705 | c->dstFormat == AV_PIX_FMT_RGB555LE || | |
| 706 | c->dstFormat == AV_PIX_FMT_RGB444BE || | |
| 707 | c->dstFormat == AV_PIX_FMT_RGB444LE || | |
| 708 | c->dstFormat == AV_PIX_FMT_RGB8 || | |
| 709 | c->dstFormat == AV_PIX_FMT_RGB4 || | |
| 710 | c->dstFormat == AV_PIX_FMT_RGB4_BYTE || | |
| 711 | c->dstFormat == AV_PIX_FMT_MONOBLACK; | |
| 712 | const int isNotNe = c->dstFormat == AV_PIX_FMT_NE(RGB565LE, RGB565BE) || | |
| 713 | c->dstFormat == AV_PIX_FMT_NE(RGB555LE, RGB555BE) || | |
| 714 | c->dstFormat == AV_PIX_FMT_NE(RGB444LE, RGB444BE) || | |
| 715 | c->dstFormat == AV_PIX_FMT_NE(BGR565LE, BGR565BE) || | |
| 716 | c->dstFormat == AV_PIX_FMT_NE(BGR555LE, BGR555BE) || | |
| 717 | c->dstFormat == AV_PIX_FMT_NE(BGR444LE, BGR444BE); | |
| 718 | const int bpp = c->dstFormatBpp; | |
| 719 | uint8_t *y_table; | |
| 720 | uint16_t *y_table16; | |
| 721 | uint32_t *y_table32; | |
| 722 | int i, base, rbase, gbase, bbase, av_uninit(abase), needAlpha; | |
| 723 | const int yoffs = fullRange ? 384 : 326; | |
| 724 | ||
| 725 | int64_t crv = inv_table[0]; | |
| 726 | int64_t cbu = inv_table[1]; | |
| 727 | int64_t cgu = -inv_table[2]; | |
| 728 | int64_t cgv = -inv_table[3]; | |
| 729 | int64_t cy = 1 << 16; | |
| 730 | int64_t oy = 0; | |
| 731 | int64_t yb = 0; | |
| 732 | ||
| 733 | if (!fullRange) { | |
| 734 | cy = (cy * 255) / 219; | |
| 735 | oy = 16 << 16; | |
| 736 | } else { | |
| 737 | crv = (crv * 224) / 255; | |
| 738 | cbu = (cbu * 224) / 255; | |
| 739 | cgu = (cgu * 224) / 255; | |
| 740 | cgv = (cgv * 224) / 255; | |
| 741 | } | |
| 742 | ||
| 743 | cy = (cy * contrast) >> 16; | |
| 744 | crv = (crv * contrast * saturation) >> 32; | |
| 745 | cbu = (cbu * contrast * saturation) >> 32; | |
| 746 | cgu = (cgu * contrast * saturation) >> 32; | |
| 747 | cgv = (cgv * contrast * saturation) >> 32; | |
| 748 | oy -= 256 * brightness; | |
| 749 | ||
| 750 | c->uOffset = 0x0400040004000400LL; | |
| 751 | c->vOffset = 0x0400040004000400LL; | |
| 752 | c->yCoeff = roundToInt16(cy * 8192) * 0x0001000100010001ULL; | |
| 753 | c->vrCoeff = roundToInt16(crv * 8192) * 0x0001000100010001ULL; | |
| 754 | c->ubCoeff = roundToInt16(cbu * 8192) * 0x0001000100010001ULL; | |
| 755 | c->vgCoeff = roundToInt16(cgv * 8192) * 0x0001000100010001ULL; | |
| 756 | c->ugCoeff = roundToInt16(cgu * 8192) * 0x0001000100010001ULL; | |
| 757 | c->yOffset = roundToInt16(oy * 8) * 0x0001000100010001ULL; | |
| 758 | ||
| 759 | c->yuv2rgb_y_coeff = (int16_t)roundToInt16(cy << 13); | |
| 760 | c->yuv2rgb_y_offset = (int16_t)roundToInt16(oy << 9); | |
| 761 | c->yuv2rgb_v2r_coeff = (int16_t)roundToInt16(crv << 13); | |
| 762 | c->yuv2rgb_v2g_coeff = (int16_t)roundToInt16(cgv << 13); | |
| 763 | c->yuv2rgb_u2g_coeff = (int16_t)roundToInt16(cgu << 13); | |
| 764 | c->yuv2rgb_u2b_coeff = (int16_t)roundToInt16(cbu << 13); | |
| 765 | ||
| 766 | //scale coefficients by cy | |
| 767 | crv = ((crv << 16) + 0x8000) / FFMAX(cy, 1); | |
| 768 | cbu = ((cbu << 16) + 0x8000) / FFMAX(cy, 1); | |
| 769 | cgu = ((cgu << 16) + 0x8000) / FFMAX(cy, 1); | |
| 770 | cgv = ((cgv << 16) + 0x8000) / FFMAX(cy, 1); | |
| 771 | ||
| 772 | av_freep(&c->yuvTable); | |
| 773 | ||
| 774 | switch (bpp) { | |
| 775 | case 1: | |
| 776 | c->yuvTable = av_malloc(1024); | |
| 777 | y_table = c->yuvTable; | |
| 778 | yb = -(384 << 16) - oy; | |
| 779 | for (i = 0; i < 1024 - 110; i++) { | |
| 780 | y_table[i + 110] = av_clip_uint8((yb + 0x8000) >> 16) >> 7; | |
| 781 | yb += cy; | |
| 782 | } | |
| 783 | fill_table(c->table_gU, 1, cgu, y_table + yoffs); | |
| 784 | fill_gv_table(c->table_gV, 1, cgv); | |
| 785 | break; | |
| 786 | case 4: | |
| 787 | case 4 | 128: | |
| 788 | rbase = isRgb ? 3 : 0; | |
| 789 | gbase = 1; | |
| 790 | bbase = isRgb ? 0 : 3; | |
| 791 | c->yuvTable = av_malloc(1024 * 3); | |
| 792 | y_table = c->yuvTable; | |
| 793 | yb = -(384 << 16) - oy; | |
| 794 | for (i = 0; i < 1024 - 110; i++) { | |
| 795 | int yval = av_clip_uint8((yb + 0x8000) >> 16); | |
| 796 | y_table[i + 110] = (yval >> 7) << rbase; | |
| 797 | y_table[i + 37 + 1024] = ((yval + 43) / 85) << gbase; | |
| 798 | y_table[i + 110 + 2048] = (yval >> 7) << bbase; | |
| 799 | yb += cy; | |
| 800 | } | |
| 801 | fill_table(c->table_rV, 1, crv, y_table + yoffs); | |
| 802 | fill_table(c->table_gU, 1, cgu, y_table + yoffs + 1024); | |
| 803 | fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2048); | |
| 804 | fill_gv_table(c->table_gV, 1, cgv); | |
| 805 | break; | |
| 806 | case 8: | |
| 807 | rbase = isRgb ? 5 : 0; | |
| 808 | gbase = isRgb ? 2 : 3; | |
| 809 | bbase = isRgb ? 0 : 6; | |
| 810 | c->yuvTable = av_malloc(1024 * 3); | |
| 811 | y_table = c->yuvTable; | |
| 812 | yb = -(384 << 16) - oy; | |
| 813 | for (i = 0; i < 1024 - 38; i++) { | |
| 814 | int yval = av_clip_uint8((yb + 0x8000) >> 16); | |
| 815 | y_table[i + 16] = ((yval + 18) / 36) << rbase; | |
| 816 | y_table[i + 16 + 1024] = ((yval + 18) / 36) << gbase; | |
| 817 | y_table[i + 37 + 2048] = ((yval + 43) / 85) << bbase; | |
| 818 | yb += cy; | |
| 819 | } | |
| 820 | fill_table(c->table_rV, 1, crv, y_table + yoffs); | |
| 821 | fill_table(c->table_gU, 1, cgu, y_table + yoffs + 1024); | |
| 822 | fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2048); | |
| 823 | fill_gv_table(c->table_gV, 1, cgv); | |
| 824 | break; | |
| 825 | case 12: | |
| 826 | rbase = isRgb ? 8 : 0; | |
| 827 | gbase = 4; | |
| 828 | bbase = isRgb ? 0 : 8; | |
| 829 | c->yuvTable = av_malloc(1024 * 3 * 2); | |
| 830 | y_table16 = c->yuvTable; | |
| 831 | yb = -(384 << 16) - oy; | |
| 832 | for (i = 0; i < 1024; i++) { | |
| 833 | uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16); | |
| 834 | y_table16[i] = (yval >> 4) << rbase; | |
| 835 | y_table16[i + 1024] = (yval >> 4) << gbase; | |
| 836 | y_table16[i + 2048] = (yval >> 4) << bbase; | |
| 837 | yb += cy; | |
| 838 | } | |
| 839 | if (isNotNe) | |
| 840 | for (i = 0; i < 1024 * 3; i++) | |
| 841 | y_table16[i] = av_bswap16(y_table16[i]); | |
| 842 | fill_table(c->table_rV, 2, crv, y_table16 + yoffs); | |
| 843 | fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + 1024); | |
| 844 | fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2048); | |
| 845 | fill_gv_table(c->table_gV, 2, cgv); | |
| 846 | break; | |
| 847 | case 15: | |
| 848 | case 16: | |
| 849 | rbase = isRgb ? bpp - 5 : 0; | |
| 850 | gbase = 5; | |
| 851 | bbase = isRgb ? 0 : (bpp - 5); | |
| 852 | c->yuvTable = av_malloc(1024 * 3 * 2); | |
| 853 | y_table16 = c->yuvTable; | |
| 854 | yb = -(384 << 16) - oy; | |
| 855 | for (i = 0; i < 1024; i++) { | |
| 856 | uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16); | |
| 857 | y_table16[i] = (yval >> 3) << rbase; | |
| 858 | y_table16[i + 1024] = (yval >> (18 - bpp)) << gbase; | |
| 859 | y_table16[i + 2048] = (yval >> 3) << bbase; | |
| 860 | yb += cy; | |
| 861 | } | |
| 862 | if (isNotNe) | |
| 863 | for (i = 0; i < 1024 * 3; i++) | |
| 864 | y_table16[i] = av_bswap16(y_table16[i]); | |
| 865 | fill_table(c->table_rV, 2, crv, y_table16 + yoffs); | |
| 866 | fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + 1024); | |
| 867 | fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2048); | |
| 868 | fill_gv_table(c->table_gV, 2, cgv); | |
| 869 | break; | |
| 870 | case 24: | |
| 871 | case 48: | |
| 872 | c->yuvTable = av_malloc(1024); | |
| 873 | y_table = c->yuvTable; | |
| 874 | yb = -(384 << 16) - oy; | |
| 875 | for (i = 0; i < 1024; i++) { | |
| 876 | y_table[i] = av_clip_uint8((yb + 0x8000) >> 16); | |
| 877 | yb += cy; | |
| 878 | } | |
| 879 | fill_table(c->table_rV, 1, crv, y_table + yoffs); | |
| 880 | fill_table(c->table_gU, 1, cgu, y_table + yoffs); | |
| 881 | fill_table(c->table_bU, 1, cbu, y_table + yoffs); | |
| 882 | fill_gv_table(c->table_gV, 1, cgv); | |
| 883 | break; | |
| 884 | case 32: | |
| 885 | case 64: | |
| 886 | base = (c->dstFormat == AV_PIX_FMT_RGB32_1 || | |
| 887 | c->dstFormat == AV_PIX_FMT_BGR32_1) ? 8 : 0; | |
| 888 | rbase = base + (isRgb ? 16 : 0); | |
| 889 | gbase = base + 8; | |
| 890 | bbase = base + (isRgb ? 0 : 16); | |
| 891 | needAlpha = CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat); | |
| 892 | if (!needAlpha) | |
| 893 | abase = (base + 24) & 31; | |
| 894 | c->yuvTable = av_malloc(1024 * 3 * 4); | |
| 895 | y_table32 = c->yuvTable; | |
| 896 | yb = -(384 << 16) - oy; | |
| 897 | for (i = 0; i < 1024; i++) { | |
| 898 | unsigned yval = av_clip_uint8((yb + 0x8000) >> 16); | |
| 899 | y_table32[i] = (yval << rbase) + | |
| 900 | (needAlpha ? 0 : (255u << abase)); | |
| 901 | y_table32[i + 1024] = yval << gbase; | |
| 902 | y_table32[i + 2048] = yval << bbase; | |
| 903 | yb += cy; | |
| 904 | } | |
| 905 | fill_table(c->table_rV, 4, crv, y_table32 + yoffs); | |
| 906 | fill_table(c->table_gU, 4, cgu, y_table32 + yoffs + 1024); | |
| 907 | fill_table(c->table_bU, 4, cbu, y_table32 + yoffs + 2048); | |
| 908 | fill_gv_table(c->table_gV, 4, cgv); | |
| 909 | break; | |
| 910 | default: | |
| 911 | if(!isPlanar(c->dstFormat) || bpp <= 24) | |
| 912 | av_log(c, AV_LOG_ERROR, "%ibpp not supported by yuv2rgb\n", bpp); | |
| 913 | return -1; | |
| 914 | } | |
| 915 | return 0; | |
| 916 | } |