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00026 #include <stdio.h>
00027 #include <stdlib.h>
00028 #include <inttypes.h>
00029
00030 #include "libavutil/cpu.h"
00031 #include "libavutil/bswap.h"
00032 #include "config.h"
00033 #include "rgb2rgb.h"
00034 #include "swscale.h"
00035 #include "swscale_internal.h"
00036 #include "libavutil/pixdesc.h"
00037
00038 extern const uint8_t dither_2x2_4[2][8];
00039 extern const uint8_t dither_2x2_8[2][8];
00040 extern const uint8_t dither_4x4_16[4][8];
00041 extern const uint8_t dither_8x8_32[8][8];
00042 extern const uint8_t dither_8x8_73[8][8];
00043 extern const uint8_t dither_8x8_220[8][8];
00044
00045 const int32_t ff_yuv2rgb_coeffs[8][4] = {
00046 { 117504, 138453, 13954, 34903 },
00047 { 117504, 138453, 13954, 34903 },
00048 { 104597, 132201, 25675, 53279 },
00049 { 104597, 132201, 25675, 53279 },
00050 { 104448, 132798, 24759, 53109 },
00051 { 104597, 132201, 25675, 53279 },
00052 { 104597, 132201, 25675, 53279 },
00053 { 117579, 136230, 16907, 35559 }
00054 };
00055
00056 const int *sws_getCoefficients(int colorspace)
00057 {
00058 if (colorspace > 7 || colorspace < 0)
00059 colorspace = SWS_CS_DEFAULT;
00060 return ff_yuv2rgb_coeffs[colorspace];
00061 }
00062
00063 #define LOADCHROMA(i) \
00064 U = pu[i]; \
00065 V = pv[i]; \
00066 r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM]; \
00067 g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] + c->table_gV[V+YUVRGB_TABLE_HEADROOM]); \
00068 b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM];
00069
00070 #define PUTRGB(dst, src, i) \
00071 Y = src[2 * i]; \
00072 dst[2 * i] = r[Y] + g[Y] + b[Y]; \
00073 Y = src[2 * i + 1]; \
00074 dst[2 * i + 1] = r[Y] + g[Y] + b[Y];
00075
00076 #define PUTRGB24(dst, src, i) \
00077 Y = src[2 * i]; \
00078 dst[6 * i + 0] = r[Y]; \
00079 dst[6 * i + 1] = g[Y]; \
00080 dst[6 * i + 2] = b[Y]; \
00081 Y = src[2 * i + 1]; \
00082 dst[6 * i + 3] = r[Y]; \
00083 dst[6 * i + 4] = g[Y]; \
00084 dst[6 * i + 5] = b[Y];
00085
00086 #define PUTBGR24(dst, src, i) \
00087 Y = src[2 * i]; \
00088 dst[6 * i + 0] = b[Y]; \
00089 dst[6 * i + 1] = g[Y]; \
00090 dst[6 * i + 2] = r[Y]; \
00091 Y = src[2 * i + 1]; \
00092 dst[6 * i + 3] = b[Y]; \
00093 dst[6 * i + 4] = g[Y]; \
00094 dst[6 * i + 5] = r[Y];
00095
00096 #define PUTRGBA(dst, ysrc, asrc, i, s) \
00097 Y = ysrc[2 * i]; \
00098 dst[2 * i] = r[Y] + g[Y] + b[Y] + (asrc[2 * i] << s); \
00099 Y = ysrc[2 * i + 1]; \
00100 dst[2 * i + 1] = r[Y] + g[Y] + b[Y] + (asrc[2 * i + 1] << s);
00101
00102 #define PUTRGB48(dst, src, i) \
00103 Y = src[ 2 * i]; \
00104 dst[12 * i + 0] = dst[12 * i + 1] = r[Y]; \
00105 dst[12 * i + 2] = dst[12 * i + 3] = g[Y]; \
00106 dst[12 * i + 4] = dst[12 * i + 5] = b[Y]; \
00107 Y = src[ 2 * i + 1]; \
00108 dst[12 * i + 6] = dst[12 * i + 7] = r[Y]; \
00109 dst[12 * i + 8] = dst[12 * i + 9] = g[Y]; \
00110 dst[12 * i + 10] = dst[12 * i + 11] = b[Y];
00111
00112 #define PUTBGR48(dst, src, i) \
00113 Y = src[2 * i]; \
00114 dst[12 * i + 0] = dst[12 * i + 1] = b[Y]; \
00115 dst[12 * i + 2] = dst[12 * i + 3] = g[Y]; \
00116 dst[12 * i + 4] = dst[12 * i + 5] = r[Y]; \
00117 Y = src[2 * i + 1]; \
00118 dst[12 * i + 6] = dst[12 * i + 7] = b[Y]; \
00119 dst[12 * i + 8] = dst[12 * i + 9] = g[Y]; \
00120 dst[12 * i + 10] = dst[12 * i + 11] = r[Y];
00121
00122 #define YUV2RGBFUNC(func_name, dst_type, alpha) \
00123 static int func_name(SwsContext *c, const uint8_t *src[], \
00124 int srcStride[], int srcSliceY, int srcSliceH, \
00125 uint8_t *dst[], int dstStride[]) \
00126 { \
00127 int y; \
00128 \
00129 if (!alpha && c->srcFormat == PIX_FMT_YUV422P) { \
00130 srcStride[1] *= 2; \
00131 srcStride[2] *= 2; \
00132 } \
00133 for (y = 0; y < srcSliceH; y += 2) { \
00134 dst_type *dst_1 = \
00135 (dst_type *)(dst[0] + (y + srcSliceY) * dstStride[0]); \
00136 dst_type *dst_2 = \
00137 (dst_type *)(dst[0] + (y + srcSliceY + 1) * dstStride[0]); \
00138 dst_type av_unused *r, *g, *b; \
00139 const uint8_t *py_1 = src[0] + y * srcStride[0]; \
00140 const uint8_t *py_2 = py_1 + srcStride[0]; \
00141 const uint8_t *pu = src[1] + (y >> 1) * srcStride[1]; \
00142 const uint8_t *pv = src[2] + (y >> 1) * srcStride[2]; \
00143 const uint8_t av_unused *pa_1, *pa_2; \
00144 unsigned int h_size = c->dstW >> 3; \
00145 if (alpha) { \
00146 pa_1 = src[3] + y * srcStride[3]; \
00147 pa_2 = pa_1 + srcStride[3]; \
00148 } \
00149 while (h_size--) { \
00150 int av_unused U, V, Y; \
00151
00152 #define ENDYUV2RGBLINE(dst_delta, ss) \
00153 pu += 4 >> ss; \
00154 pv += 4 >> ss; \
00155 py_1 += 8 >> ss; \
00156 py_2 += 8 >> ss; \
00157 dst_1 += dst_delta >> ss; \
00158 dst_2 += dst_delta >> ss; \
00159 } \
00160 if (c->dstW & (4 >> ss)) { \
00161 int av_unused Y, U, V; \
00162
00163 #define ENDYUV2RGBFUNC() \
00164 } \
00165 } \
00166 return srcSliceH; \
00167 }
00168
00169 #define CLOSEYUV2RGBFUNC(dst_delta) \
00170 ENDYUV2RGBLINE(dst_delta, 0) \
00171 ENDYUV2RGBFUNC()
00172
00173 YUV2RGBFUNC(yuv2rgb_c_48, uint8_t, 0)
00174 LOADCHROMA(0);
00175 PUTRGB48(dst_1, py_1, 0);
00176 PUTRGB48(dst_2, py_2, 0);
00177
00178 LOADCHROMA(1);
00179 PUTRGB48(dst_2, py_2, 1);
00180 PUTRGB48(dst_1, py_1, 1);
00181
00182 LOADCHROMA(2);
00183 PUTRGB48(dst_1, py_1, 2);
00184 PUTRGB48(dst_2, py_2, 2);
00185
00186 LOADCHROMA(3);
00187 PUTRGB48(dst_2, py_2, 3);
00188 PUTRGB48(dst_1, py_1, 3);
00189 ENDYUV2RGBLINE(48, 0)
00190 LOADCHROMA(0);
00191 PUTRGB48(dst_1, py_1, 0);
00192 PUTRGB48(dst_2, py_2, 0);
00193
00194 LOADCHROMA(1);
00195 PUTRGB48(dst_2, py_2, 1);
00196 PUTRGB48(dst_1, py_1, 1);
00197 ENDYUV2RGBLINE(48, 1)
00198 LOADCHROMA(0);
00199 PUTRGB48(dst_1, py_1, 0);
00200 PUTRGB48(dst_2, py_2, 0);
00201 ENDYUV2RGBFUNC()
00202
00203 YUV2RGBFUNC(yuv2rgb_c_bgr48, uint8_t, 0)
00204 LOADCHROMA(0);
00205 PUTBGR48(dst_1, py_1, 0);
00206 PUTBGR48(dst_2, py_2, 0);
00207
00208 LOADCHROMA(1);
00209 PUTBGR48(dst_2, py_2, 1);
00210 PUTBGR48(dst_1, py_1, 1);
00211
00212 LOADCHROMA(2);
00213 PUTBGR48(dst_1, py_1, 2);
00214 PUTBGR48(dst_2, py_2, 2);
00215
00216 LOADCHROMA(3);
00217 PUTBGR48(dst_2, py_2, 3);
00218 PUTBGR48(dst_1, py_1, 3);
00219 ENDYUV2RGBLINE(48, 0)
00220 LOADCHROMA(0);
00221 PUTBGR48(dst_1, py_1, 0);
00222 PUTBGR48(dst_2, py_2, 0);
00223
00224 LOADCHROMA(1);
00225 PUTBGR48(dst_2, py_2, 1);
00226 PUTBGR48(dst_1, py_1, 1);
00227 ENDYUV2RGBLINE(48, 1)
00228 LOADCHROMA(0);
00229 PUTBGR48(dst_1, py_1, 0);
00230 PUTBGR48(dst_2, py_2, 0);
00231 ENDYUV2RGBFUNC()
00232
00233 YUV2RGBFUNC(yuv2rgb_c_32, uint32_t, 0)
00234 LOADCHROMA(0);
00235 PUTRGB(dst_1, py_1, 0);
00236 PUTRGB(dst_2, py_2, 0);
00237
00238 LOADCHROMA(1);
00239 PUTRGB(dst_2, py_2, 1);
00240 PUTRGB(dst_1, py_1, 1);
00241
00242 LOADCHROMA(2);
00243 PUTRGB(dst_1, py_1, 2);
00244 PUTRGB(dst_2, py_2, 2);
00245
00246 LOADCHROMA(3);
00247 PUTRGB(dst_2, py_2, 3);
00248 PUTRGB(dst_1, py_1, 3);
00249 ENDYUV2RGBLINE(8, 0)
00250 LOADCHROMA(0);
00251 PUTRGB(dst_1, py_1, 0);
00252 PUTRGB(dst_2, py_2, 0);
00253
00254 LOADCHROMA(1);
00255 PUTRGB(dst_2, py_2, 1);
00256 PUTRGB(dst_1, py_1, 1);
00257 ENDYUV2RGBLINE(8, 1)
00258 LOADCHROMA(0);
00259 PUTRGB(dst_1, py_1, 0);
00260 PUTRGB(dst_2, py_2, 0);
00261 ENDYUV2RGBFUNC()
00262
00263 YUV2RGBFUNC(yuva2rgba_c, uint32_t, 1)
00264 LOADCHROMA(0);
00265 PUTRGBA(dst_1, py_1, pa_1, 0, 24);
00266 PUTRGBA(dst_2, py_2, pa_2, 0, 24);
00267
00268 LOADCHROMA(1);
00269 PUTRGBA(dst_2, py_2, pa_1, 1, 24);
00270 PUTRGBA(dst_1, py_1, pa_2, 1, 24);
00271
00272 LOADCHROMA(2);
00273 PUTRGBA(dst_1, py_1, pa_1, 2, 24);
00274 PUTRGBA(dst_2, py_2, pa_2, 2, 24);
00275
00276 LOADCHROMA(3);
00277 PUTRGBA(dst_2, py_2, pa_1, 3, 24);
00278 PUTRGBA(dst_1, py_1, pa_2, 3, 24);
00279 pa_1 += 8; \
00280 pa_2 += 8; \
00281 ENDYUV2RGBLINE(8, 0)
00282 LOADCHROMA(0);
00283 PUTRGBA(dst_1, py_1, pa_1, 0, 24);
00284 PUTRGBA(dst_2, py_2, pa_2, 0, 24);
00285
00286 LOADCHROMA(1);
00287 PUTRGBA(dst_2, py_2, pa_1, 1, 24);
00288 PUTRGBA(dst_1, py_1, pa_2, 1, 24);
00289 pa_1 += 4; \
00290 pa_2 += 4; \
00291 ENDYUV2RGBLINE(8, 1)
00292 LOADCHROMA(0);
00293 PUTRGBA(dst_1, py_1, pa_1, 0, 24);
00294 PUTRGBA(dst_2, py_2, pa_2, 0, 24);
00295 ENDYUV2RGBFUNC()
00296
00297 YUV2RGBFUNC(yuva2argb_c, uint32_t, 1)
00298 LOADCHROMA(0);
00299 PUTRGBA(dst_1, py_1, pa_1, 0, 0);
00300 PUTRGBA(dst_2, py_2, pa_2, 0, 0);
00301
00302 LOADCHROMA(1);
00303 PUTRGBA(dst_2, py_2, pa_2, 1, 0);
00304 PUTRGBA(dst_1, py_1, pa_1, 1, 0);
00305
00306 LOADCHROMA(2);
00307 PUTRGBA(dst_1, py_1, pa_1, 2, 0);
00308 PUTRGBA(dst_2, py_2, pa_2, 2, 0);
00309
00310 LOADCHROMA(3);
00311 PUTRGBA(dst_2, py_2, pa_2, 3, 0);
00312 PUTRGBA(dst_1, py_1, pa_1, 3, 0);
00313 pa_1 += 8; \
00314 pa_2 += 8; \
00315 ENDYUV2RGBLINE(8, 0)
00316 LOADCHROMA(0);
00317 PUTRGBA(dst_1, py_1, pa_1, 0, 0);
00318 PUTRGBA(dst_2, py_2, pa_2, 0, 0);
00319
00320 LOADCHROMA(1);
00321 PUTRGBA(dst_2, py_2, pa_2, 1, 0);
00322 PUTRGBA(dst_1, py_1, pa_1, 1, 0);
00323 pa_1 += 4; \
00324 pa_2 += 4; \
00325 ENDYUV2RGBLINE(8, 1)
00326 LOADCHROMA(0);
00327 PUTRGBA(dst_1, py_1, pa_1, 0, 0);
00328 PUTRGBA(dst_2, py_2, pa_2, 0, 0);
00329 ENDYUV2RGBFUNC()
00330
00331 YUV2RGBFUNC(yuv2rgb_c_24_rgb, uint8_t, 0)
00332 LOADCHROMA(0);
00333 PUTRGB24(dst_1, py_1, 0);
00334 PUTRGB24(dst_2, py_2, 0);
00335
00336 LOADCHROMA(1);
00337 PUTRGB24(dst_2, py_2, 1);
00338 PUTRGB24(dst_1, py_1, 1);
00339
00340 LOADCHROMA(2);
00341 PUTRGB24(dst_1, py_1, 2);
00342 PUTRGB24(dst_2, py_2, 2);
00343
00344 LOADCHROMA(3);
00345 PUTRGB24(dst_2, py_2, 3);
00346 PUTRGB24(dst_1, py_1, 3);
00347 ENDYUV2RGBLINE(24, 0)
00348 LOADCHROMA(0);
00349 PUTRGB24(dst_1, py_1, 0);
00350 PUTRGB24(dst_2, py_2, 0);
00351
00352 LOADCHROMA(1);
00353 PUTRGB24(dst_2, py_2, 1);
00354 PUTRGB24(dst_1, py_1, 1);
00355 ENDYUV2RGBLINE(24, 1)
00356 LOADCHROMA(0);
00357 PUTRGB24(dst_1, py_1, 0);
00358 PUTRGB24(dst_2, py_2, 0);
00359 ENDYUV2RGBFUNC()
00360
00361
00362 YUV2RGBFUNC(yuv2rgb_c_24_bgr, uint8_t, 0)
00363 LOADCHROMA(0);
00364 PUTBGR24(dst_1, py_1, 0);
00365 PUTBGR24(dst_2, py_2, 0);
00366
00367 LOADCHROMA(1);
00368 PUTBGR24(dst_2, py_2, 1);
00369 PUTBGR24(dst_1, py_1, 1);
00370
00371 LOADCHROMA(2);
00372 PUTBGR24(dst_1, py_1, 2);
00373 PUTBGR24(dst_2, py_2, 2);
00374
00375 LOADCHROMA(3);
00376 PUTBGR24(dst_2, py_2, 3);
00377 PUTBGR24(dst_1, py_1, 3);
00378 ENDYUV2RGBLINE(24, 0)
00379 LOADCHROMA(0);
00380 PUTBGR24(dst_1, py_1, 0);
00381 PUTBGR24(dst_2, py_2, 0);
00382
00383 LOADCHROMA(1);
00384 PUTBGR24(dst_2, py_2, 1);
00385 PUTBGR24(dst_1, py_1, 1);
00386 ENDYUV2RGBLINE(24, 1)
00387 LOADCHROMA(0);
00388 PUTBGR24(dst_1, py_1, 0);
00389 PUTBGR24(dst_2, py_2, 0);
00390 ENDYUV2RGBFUNC()
00391
00392 YUV2RGBFUNC(yuv2rgb_c_16_ordered_dither, uint16_t, 0)
00393 const uint8_t *d16 = dither_2x2_8[y & 1];
00394 const uint8_t *e16 = dither_2x2_4[y & 1];
00395 const uint8_t *f16 = dither_2x2_8[(y & 1)^1];
00396
00397 #define PUTRGB16(dst, src, i, o) \
00398 Y = src[2 * i]; \
00399 dst[2 * i] = r[Y + d16[0 + o]] + \
00400 g[Y + e16[0 + o]] + \
00401 b[Y + f16[0 + o]]; \
00402 Y = src[2 * i + 1]; \
00403 dst[2 * i + 1] = r[Y + d16[1 + o]] + \
00404 g[Y + e16[1 + o]] + \
00405 b[Y + f16[1 + o]];
00406 LOADCHROMA(0);
00407 PUTRGB16(dst_1, py_1, 0, 0);
00408 PUTRGB16(dst_2, py_2, 0, 0 + 8);
00409
00410 LOADCHROMA(1);
00411 PUTRGB16(dst_2, py_2, 1, 2 + 8);
00412 PUTRGB16(dst_1, py_1, 1, 2);
00413
00414 LOADCHROMA(2);
00415 PUTRGB16(dst_1, py_1, 2, 4);
00416 PUTRGB16(dst_2, py_2, 2, 4 + 8);
00417
00418 LOADCHROMA(3);
00419 PUTRGB16(dst_2, py_2, 3, 6 + 8);
00420 PUTRGB16(dst_1, py_1, 3, 6);
00421 CLOSEYUV2RGBFUNC(8)
00422
00423 YUV2RGBFUNC(yuv2rgb_c_15_ordered_dither, uint16_t, 0)
00424 const uint8_t *d16 = dither_2x2_8[y & 1];
00425 const uint8_t *e16 = dither_2x2_8[(y & 1)^1];
00426
00427 #define PUTRGB15(dst, src, i, o) \
00428 Y = src[2 * i]; \
00429 dst[2 * i] = r[Y + d16[0 + o]] + \
00430 g[Y + d16[1 + o]] + \
00431 b[Y + e16[0 + o]]; \
00432 Y = src[2 * i + 1]; \
00433 dst[2 * i + 1] = r[Y + d16[1 + o]] + \
00434 g[Y + d16[0 + o]] + \
00435 b[Y + e16[1 + o]];
00436 LOADCHROMA(0);
00437 PUTRGB15(dst_1, py_1, 0, 0);
00438 PUTRGB15(dst_2, py_2, 0, 0 + 8);
00439
00440 LOADCHROMA(1);
00441 PUTRGB15(dst_2, py_2, 1, 2 + 8);
00442 PUTRGB15(dst_1, py_1, 1, 2);
00443
00444 LOADCHROMA(2);
00445 PUTRGB15(dst_1, py_1, 2, 4);
00446 PUTRGB15(dst_2, py_2, 2, 4 + 8);
00447
00448 LOADCHROMA(3);
00449 PUTRGB15(dst_2, py_2, 3, 6 + 8);
00450 PUTRGB15(dst_1, py_1, 3, 6);
00451 CLOSEYUV2RGBFUNC(8)
00452
00453
00454 YUV2RGBFUNC(yuv2rgb_c_12_ordered_dither, uint16_t, 0)
00455 const uint8_t *d16 = dither_4x4_16[y & 3];
00456
00457 #define PUTRGB12(dst, src, i, o) \
00458 Y = src[2 * i]; \
00459 dst[2 * i] = r[Y + d16[0 + o]] + \
00460 g[Y + d16[0 + o]] + \
00461 b[Y + d16[0 + o]]; \
00462 Y = src[2 * i + 1]; \
00463 dst[2 * i + 1] = r[Y + d16[1 + o]] + \
00464 g[Y + d16[1 + o]] + \
00465 b[Y + d16[1 + o]];
00466
00467 LOADCHROMA(0);
00468 PUTRGB12(dst_1, py_1, 0, 0);
00469 PUTRGB12(dst_2, py_2, 0, 0 + 8);
00470
00471 LOADCHROMA(1);
00472 PUTRGB12(dst_2, py_2, 1, 2 + 8);
00473 PUTRGB12(dst_1, py_1, 1, 2);
00474
00475 LOADCHROMA(2);
00476 PUTRGB12(dst_1, py_1, 2, 4);
00477 PUTRGB12(dst_2, py_2, 2, 4 + 8);
00478
00479 LOADCHROMA(3);
00480 PUTRGB12(dst_2, py_2, 3, 6 + 8);
00481 PUTRGB12(dst_1, py_1, 3, 6);
00482 CLOSEYUV2RGBFUNC(8)
00483
00484
00485 YUV2RGBFUNC(yuv2rgb_c_8_ordered_dither, uint8_t, 0)
00486 const uint8_t *d32 = dither_8x8_32[y & 7];
00487 const uint8_t *d64 = dither_8x8_73[y & 7];
00488
00489 #define PUTRGB8(dst, src, i, o) \
00490 Y = src[2 * i]; \
00491 dst[2 * i] = r[Y + d32[0 + o]] + \
00492 g[Y + d32[0 + o]] + \
00493 b[Y + d64[0 + o]]; \
00494 Y = src[2 * i + 1]; \
00495 dst[2 * i + 1] = r[Y + d32[1 + o]] + \
00496 g[Y + d32[1 + o]] + \
00497 b[Y + d64[1 + o]];
00498
00499 LOADCHROMA(0);
00500 PUTRGB8(dst_1, py_1, 0, 0);
00501 PUTRGB8(dst_2, py_2, 0, 0 + 8);
00502
00503 LOADCHROMA(1);
00504 PUTRGB8(dst_2, py_2, 1, 2 + 8);
00505 PUTRGB8(dst_1, py_1, 1, 2);
00506
00507 LOADCHROMA(2);
00508 PUTRGB8(dst_1, py_1, 2, 4);
00509 PUTRGB8(dst_2, py_2, 2, 4 + 8);
00510
00511 LOADCHROMA(3);
00512 PUTRGB8(dst_2, py_2, 3, 6 + 8);
00513 PUTRGB8(dst_1, py_1, 3, 6);
00514 CLOSEYUV2RGBFUNC(8)
00515
00516 YUV2RGBFUNC(yuv2rgb_c_4_ordered_dither, uint8_t, 0)
00517 const uint8_t * d64 = dither_8x8_73[y & 7];
00518 const uint8_t *d128 = dither_8x8_220[y & 7];
00519 int acc;
00520
00521 #define PUTRGB4D(dst, src, i, o) \
00522 Y = src[2 * i]; \
00523 acc = r[Y + d128[0 + o]] + \
00524 g[Y + d64[0 + o]] + \
00525 b[Y + d128[0 + o]]; \
00526 Y = src[2 * i + 1]; \
00527 acc |= (r[Y + d128[1 + o]] + \
00528 g[Y + d64[1 + o]] + \
00529 b[Y + d128[1 + o]]) << 4; \
00530 dst[i] = acc;
00531
00532 LOADCHROMA(0);
00533 PUTRGB4D(dst_1, py_1, 0, 0);
00534 PUTRGB4D(dst_2, py_2, 0, 0 + 8);
00535
00536 LOADCHROMA(1);
00537 PUTRGB4D(dst_2, py_2, 1, 2 + 8);
00538 PUTRGB4D(dst_1, py_1, 1, 2);
00539
00540 LOADCHROMA(2);
00541 PUTRGB4D(dst_1, py_1, 2, 4);
00542 PUTRGB4D(dst_2, py_2, 2, 4 + 8);
00543
00544 LOADCHROMA(3);
00545 PUTRGB4D(dst_2, py_2, 3, 6 + 8);
00546 PUTRGB4D(dst_1, py_1, 3, 6);
00547 CLOSEYUV2RGBFUNC(4)
00548
00549 YUV2RGBFUNC(yuv2rgb_c_4b_ordered_dither, uint8_t, 0)
00550 const uint8_t *d64 = dither_8x8_73[y & 7];
00551 const uint8_t *d128 = dither_8x8_220[y & 7];
00552
00553 #define PUTRGB4DB(dst, src, i, o) \
00554 Y = src[2 * i]; \
00555 dst[2 * i] = r[Y + d128[0 + o]] + \
00556 g[Y + d64[0 + o]] + \
00557 b[Y + d128[0 + o]]; \
00558 Y = src[2 * i + 1]; \
00559 dst[2 * i + 1] = r[Y + d128[1 + o]] + \
00560 g[Y + d64[1 + o]] + \
00561 b[Y + d128[1 + o]];
00562
00563 LOADCHROMA(0);
00564 PUTRGB4DB(dst_1, py_1, 0, 0);
00565 PUTRGB4DB(dst_2, py_2, 0, 0 + 8);
00566
00567 LOADCHROMA(1);
00568 PUTRGB4DB(dst_2, py_2, 1, 2 + 8);
00569 PUTRGB4DB(dst_1, py_1, 1, 2);
00570
00571 LOADCHROMA(2);
00572 PUTRGB4DB(dst_1, py_1, 2, 4);
00573 PUTRGB4DB(dst_2, py_2, 2, 4 + 8);
00574
00575 LOADCHROMA(3);
00576 PUTRGB4DB(dst_2, py_2, 3, 6 + 8);
00577 PUTRGB4DB(dst_1, py_1, 3, 6);
00578 CLOSEYUV2RGBFUNC(8)
00579
00580 YUV2RGBFUNC(yuv2rgb_c_1_ordered_dither, uint8_t, 0)
00581 const uint8_t *d128 = dither_8x8_220[y & 7];
00582 char out_1 = 0, out_2 = 0;
00583 g = c->table_gU[128 + YUVRGB_TABLE_HEADROOM] + c->table_gV[128 + YUVRGB_TABLE_HEADROOM];
00584
00585 #define PUTRGB1(out, src, i, o) \
00586 Y = src[2 * i]; \
00587 out += out + g[Y + d128[0 + o]]; \
00588 Y = src[2 * i + 1]; \
00589 out += out + g[Y + d128[1 + o]];
00590
00591 PUTRGB1(out_1, py_1, 0, 0);
00592 PUTRGB1(out_2, py_2, 0, 0 + 8);
00593
00594 PUTRGB1(out_2, py_2, 1, 2 + 8);
00595 PUTRGB1(out_1, py_1, 1, 2);
00596
00597 PUTRGB1(out_1, py_1, 2, 4);
00598 PUTRGB1(out_2, py_2, 2, 4 + 8);
00599
00600 PUTRGB1(out_2, py_2, 3, 6 + 8);
00601 PUTRGB1(out_1, py_1, 3, 6);
00602
00603 dst_1[0] = out_1;
00604 dst_2[0] = out_2;
00605 CLOSEYUV2RGBFUNC(1)
00606
00607 SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
00608 {
00609 SwsFunc t = NULL;
00610
00611 if (HAVE_MMX)
00612 t = ff_yuv2rgb_init_mmx(c);
00613 else if (HAVE_VIS)
00614 t = ff_yuv2rgb_init_vis(c);
00615 else if (HAVE_ALTIVEC)
00616 t = ff_yuv2rgb_init_altivec(c);
00617 else if (ARCH_BFIN)
00618 t = ff_yuv2rgb_get_func_ptr_bfin(c);
00619
00620 if (t)
00621 return t;
00622
00623 av_log(c, AV_LOG_WARNING,
00624 "No accelerated colorspace conversion found from %s to %s.\n",
00625 av_get_pix_fmt_name(c->srcFormat), av_get_pix_fmt_name(c->dstFormat));
00626
00627 switch (c->dstFormat) {
00628 case PIX_FMT_BGR48BE:
00629 case PIX_FMT_BGR48LE:
00630 return yuv2rgb_c_bgr48;
00631 case PIX_FMT_RGB48BE:
00632 case PIX_FMT_RGB48LE:
00633 return yuv2rgb_c_48;
00634 case PIX_FMT_ARGB:
00635 case PIX_FMT_ABGR:
00636 if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat))
00637 return yuva2argb_c;
00638 case PIX_FMT_RGBA:
00639 case PIX_FMT_BGRA:
00640 return (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) ? yuva2rgba_c : yuv2rgb_c_32;
00641 case PIX_FMT_RGB24:
00642 return yuv2rgb_c_24_rgb;
00643 case PIX_FMT_BGR24:
00644 return yuv2rgb_c_24_bgr;
00645 case PIX_FMT_RGB565:
00646 case PIX_FMT_BGR565:
00647 return yuv2rgb_c_16_ordered_dither;
00648 case PIX_FMT_RGB555:
00649 case PIX_FMT_BGR555:
00650 return yuv2rgb_c_15_ordered_dither;
00651 case PIX_FMT_RGB444:
00652 case PIX_FMT_BGR444:
00653 return yuv2rgb_c_12_ordered_dither;
00654 case PIX_FMT_RGB8:
00655 case PIX_FMT_BGR8:
00656 return yuv2rgb_c_8_ordered_dither;
00657 case PIX_FMT_RGB4:
00658 case PIX_FMT_BGR4:
00659 return yuv2rgb_c_4_ordered_dither;
00660 case PIX_FMT_RGB4_BYTE:
00661 case PIX_FMT_BGR4_BYTE:
00662 return yuv2rgb_c_4b_ordered_dither;
00663 case PIX_FMT_MONOBLACK:
00664 return yuv2rgb_c_1_ordered_dither;
00665 }
00666 return NULL;
00667 }
00668
00669 static void fill_table(uint8_t* table[256 + 2*YUVRGB_TABLE_HEADROOM], const int elemsize,
00670 const int inc, void *y_tab)
00671 {
00672 int i;
00673 uint8_t *y_table = y_tab;
00674
00675 y_table -= elemsize * (inc >> 9);
00676
00677 for (i = 0; i < 256 + 2*YUVRGB_TABLE_HEADROOM; i++) {
00678 int64_t cb = av_clip(i-YUVRGB_TABLE_HEADROOM, 0, 255)*inc;
00679 table[i] = y_table + elemsize * (cb >> 16);
00680 }
00681 }
00682
00683 static void fill_gv_table(int table[256 + 2*YUVRGB_TABLE_HEADROOM], const int elemsize, const int inc)
00684 {
00685 int i;
00686 int off = -(inc >> 9);
00687
00688 for (i = 0; i < 256 + 2*YUVRGB_TABLE_HEADROOM; i++) {
00689 int64_t cb = av_clip(i-YUVRGB_TABLE_HEADROOM, 0, 255)*inc;
00690 table[i] = elemsize * (off + (cb >> 16));
00691 }
00692 }
00693
00694 static uint16_t roundToInt16(int64_t f)
00695 {
00696 int r = (f + (1 << 15)) >> 16;
00697
00698 if (r < -0x7FFF)
00699 return 0x8000;
00700 else if (r > 0x7FFF)
00701 return 0x7FFF;
00702 else
00703 return r;
00704 }
00705
00706 av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4],
00707 int fullRange, int brightness,
00708 int contrast, int saturation)
00709 {
00710 const int isRgb = c->dstFormat == PIX_FMT_RGB32 ||
00711 c->dstFormat == PIX_FMT_RGB32_1 ||
00712 c->dstFormat == PIX_FMT_BGR24 ||
00713 c->dstFormat == PIX_FMT_RGB565BE ||
00714 c->dstFormat == PIX_FMT_RGB565LE ||
00715 c->dstFormat == PIX_FMT_RGB555BE ||
00716 c->dstFormat == PIX_FMT_RGB555LE ||
00717 c->dstFormat == PIX_FMT_RGB444BE ||
00718 c->dstFormat == PIX_FMT_RGB444LE ||
00719 c->dstFormat == PIX_FMT_RGB8 ||
00720 c->dstFormat == PIX_FMT_RGB4 ||
00721 c->dstFormat == PIX_FMT_RGB4_BYTE ||
00722 c->dstFormat == PIX_FMT_MONOBLACK;
00723 const int isNotNe = c->dstFormat == PIX_FMT_NE(RGB565LE, RGB565BE) ||
00724 c->dstFormat == PIX_FMT_NE(RGB555LE, RGB555BE) ||
00725 c->dstFormat == PIX_FMT_NE(RGB444LE, RGB444BE) ||
00726 c->dstFormat == PIX_FMT_NE(BGR565LE, BGR565BE) ||
00727 c->dstFormat == PIX_FMT_NE(BGR555LE, BGR555BE) ||
00728 c->dstFormat == PIX_FMT_NE(BGR444LE, BGR444BE);
00729 const int bpp = c->dstFormatBpp;
00730 uint8_t *y_table;
00731 uint16_t *y_table16;
00732 uint32_t *y_table32;
00733 int i, base, rbase, gbase, bbase, av_uninit(abase), needAlpha;
00734 const int yoffs = fullRange ? 384 : 326;
00735
00736 int64_t crv = inv_table[0];
00737 int64_t cbu = inv_table[1];
00738 int64_t cgu = -inv_table[2];
00739 int64_t cgv = -inv_table[3];
00740 int64_t cy = 1 << 16;
00741 int64_t oy = 0;
00742 int64_t yb = 0;
00743
00744 if (!fullRange) {
00745 cy = (cy * 255) / 219;
00746 oy = 16 << 16;
00747 } else {
00748 crv = (crv * 224) / 255;
00749 cbu = (cbu * 224) / 255;
00750 cgu = (cgu * 224) / 255;
00751 cgv = (cgv * 224) / 255;
00752 }
00753
00754 cy = (cy * contrast) >> 16;
00755 crv = (crv * contrast * saturation) >> 32;
00756 cbu = (cbu * contrast * saturation) >> 32;
00757 cgu = (cgu * contrast * saturation) >> 32;
00758 cgv = (cgv * contrast * saturation) >> 32;
00759 oy -= 256 * brightness;
00760
00761 c->uOffset = 0x0400040004000400LL;
00762 c->vOffset = 0x0400040004000400LL;
00763 c->yCoeff = roundToInt16(cy * 8192) * 0x0001000100010001ULL;
00764 c->vrCoeff = roundToInt16(crv * 8192) * 0x0001000100010001ULL;
00765 c->ubCoeff = roundToInt16(cbu * 8192) * 0x0001000100010001ULL;
00766 c->vgCoeff = roundToInt16(cgv * 8192) * 0x0001000100010001ULL;
00767 c->ugCoeff = roundToInt16(cgu * 8192) * 0x0001000100010001ULL;
00768 c->yOffset = roundToInt16(oy * 8) * 0x0001000100010001ULL;
00769
00770 c->yuv2rgb_y_coeff = (int16_t)roundToInt16(cy << 13);
00771 c->yuv2rgb_y_offset = (int16_t)roundToInt16(oy << 9);
00772 c->yuv2rgb_v2r_coeff = (int16_t)roundToInt16(crv << 13);
00773 c->yuv2rgb_v2g_coeff = (int16_t)roundToInt16(cgv << 13);
00774 c->yuv2rgb_u2g_coeff = (int16_t)roundToInt16(cgu << 13);
00775 c->yuv2rgb_u2b_coeff = (int16_t)roundToInt16(cbu << 13);
00776
00777
00778 crv = ((crv << 16) + 0x8000) / cy;
00779 cbu = ((cbu << 16) + 0x8000) / cy;
00780 cgu = ((cgu << 16) + 0x8000) / cy;
00781 cgv = ((cgv << 16) + 0x8000) / cy;
00782
00783 av_free(c->yuvTable);
00784
00785 switch (bpp) {
00786 case 1:
00787 c->yuvTable = av_malloc(1024);
00788 y_table = c->yuvTable;
00789 yb = -(384 << 16) - oy;
00790 for (i = 0; i < 1024 - 110; i++) {
00791 y_table[i + 110] = av_clip_uint8((yb + 0x8000) >> 16) >> 7;
00792 yb += cy;
00793 }
00794 fill_table(c->table_gU, 1, cgu, y_table + yoffs);
00795 fill_gv_table(c->table_gV, 1, cgv);
00796 break;
00797 case 4:
00798 case 4 | 128:
00799 rbase = isRgb ? 3 : 0;
00800 gbase = 1;
00801 bbase = isRgb ? 0 : 3;
00802 c->yuvTable = av_malloc(1024 * 3);
00803 y_table = c->yuvTable;
00804 yb = -(384 << 16) - oy;
00805 for (i = 0; i < 1024 - 110; i++) {
00806 int yval = av_clip_uint8((yb + 0x8000) >> 16);
00807 y_table[i + 110] = (yval >> 7) << rbase;
00808 y_table[i + 37 + 1024] = ((yval + 43) / 85) << gbase;
00809 y_table[i + 110 + 2048] = (yval >> 7) << bbase;
00810 yb += cy;
00811 }
00812 fill_table(c->table_rV, 1, crv, y_table + yoffs);
00813 fill_table(c->table_gU, 1, cgu, y_table + yoffs + 1024);
00814 fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2048);
00815 fill_gv_table(c->table_gV, 1, cgv);
00816 break;
00817 case 8:
00818 rbase = isRgb ? 5 : 0;
00819 gbase = isRgb ? 2 : 3;
00820 bbase = isRgb ? 0 : 6;
00821 c->yuvTable = av_malloc(1024 * 3);
00822 y_table = c->yuvTable;
00823 yb = -(384 << 16) - oy;
00824 for (i = 0; i < 1024 - 38; i++) {
00825 int yval = av_clip_uint8((yb + 0x8000) >> 16);
00826 y_table[i + 16] = ((yval + 18) / 36) << rbase;
00827 y_table[i + 16 + 1024] = ((yval + 18) / 36) << gbase;
00828 y_table[i + 37 + 2048] = ((yval + 43) / 85) << bbase;
00829 yb += cy;
00830 }
00831 fill_table(c->table_rV, 1, crv, y_table + yoffs);
00832 fill_table(c->table_gU, 1, cgu, y_table + yoffs + 1024);
00833 fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2048);
00834 fill_gv_table(c->table_gV, 1, cgv);
00835 break;
00836 case 12:
00837 rbase = isRgb ? 8 : 0;
00838 gbase = 4;
00839 bbase = isRgb ? 0 : 8;
00840 c->yuvTable = av_malloc(1024 * 3 * 2);
00841 y_table16 = c->yuvTable;
00842 yb = -(384 << 16) - oy;
00843 for (i = 0; i < 1024; i++) {
00844 uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16);
00845 y_table16[i] = (yval >> 4) << rbase;
00846 y_table16[i + 1024] = (yval >> 4) << gbase;
00847 y_table16[i + 2048] = (yval >> 4) << bbase;
00848 yb += cy;
00849 }
00850 if (isNotNe)
00851 for (i = 0; i < 1024 * 3; i++)
00852 y_table16[i] = av_bswap16(y_table16[i]);
00853 fill_table(c->table_rV, 2, crv, y_table16 + yoffs);
00854 fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + 1024);
00855 fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2048);
00856 fill_gv_table(c->table_gV, 2, cgv);
00857 break;
00858 case 15:
00859 case 16:
00860 rbase = isRgb ? bpp - 5 : 0;
00861 gbase = 5;
00862 bbase = isRgb ? 0 : (bpp - 5);
00863 c->yuvTable = av_malloc(1024 * 3 * 2);
00864 y_table16 = c->yuvTable;
00865 yb = -(384 << 16) - oy;
00866 for (i = 0; i < 1024; i++) {
00867 uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16);
00868 y_table16[i] = (yval >> 3) << rbase;
00869 y_table16[i + 1024] = (yval >> (18 - bpp)) << gbase;
00870 y_table16[i + 2048] = (yval >> 3) << bbase;
00871 yb += cy;
00872 }
00873 if (isNotNe)
00874 for (i = 0; i < 1024 * 3; i++)
00875 y_table16[i] = av_bswap16(y_table16[i]);
00876 fill_table(c->table_rV, 2, crv, y_table16 + yoffs);
00877 fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + 1024);
00878 fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2048);
00879 fill_gv_table(c->table_gV, 2, cgv);
00880 break;
00881 case 24:
00882 case 48:
00883 c->yuvTable = av_malloc(1024);
00884 y_table = c->yuvTable;
00885 yb = -(384 << 16) - oy;
00886 for (i = 0; i < 1024; i++) {
00887 y_table[i] = av_clip_uint8((yb + 0x8000) >> 16);
00888 yb += cy;
00889 }
00890 fill_table(c->table_rV, 1, crv, y_table + yoffs);
00891 fill_table(c->table_gU, 1, cgu, y_table + yoffs);
00892 fill_table(c->table_bU, 1, cbu, y_table + yoffs);
00893 fill_gv_table(c->table_gV, 1, cgv);
00894 break;
00895 case 32:
00896 base = (c->dstFormat == PIX_FMT_RGB32_1 ||
00897 c->dstFormat == PIX_FMT_BGR32_1) ? 8 : 0;
00898 rbase = base + (isRgb ? 16 : 0);
00899 gbase = base + 8;
00900 bbase = base + (isRgb ? 0 : 16);
00901 needAlpha = CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat);
00902 if (!needAlpha)
00903 abase = (base + 24) & 31;
00904 c->yuvTable = av_malloc(1024 * 3 * 4);
00905 y_table32 = c->yuvTable;
00906 yb = -(384 << 16) - oy;
00907 for (i = 0; i < 1024; i++) {
00908 unsigned yval = av_clip_uint8((yb + 0x8000) >> 16);
00909 y_table32[i] = (yval << rbase) +
00910 (needAlpha ? 0 : (255u << abase));
00911 y_table32[i + 1024] = yval << gbase;
00912 y_table32[i + 2048] = yval << bbase;
00913 yb += cy;
00914 }
00915 fill_table(c->table_rV, 4, crv, y_table32 + yoffs);
00916 fill_table(c->table_gU, 4, cgu, y_table32 + yoffs + 1024);
00917 fill_table(c->table_bU, 4, cbu, y_table32 + yoffs + 2048);
00918 fill_gv_table(c->table_gV, 4, cgv);
00919 break;
00920 default:
00921 c->yuvTable = NULL;
00922 av_log(c, AV_LOG_ERROR, "%ibpp not supported by yuv2rgb\n", bpp);
00923 return -1;
00924 }
00925 return 0;
00926 }