2 * software YUV to RGB converter
4 * Copyright (C) 2009 Konstantin Shishkov
6 * 1,4,8bpp support and context / deglobalize stuff
7 * by Michael Niedermayer (michaelni@gmx.at)
9 * This file is part of FFmpeg.
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.
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.
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
34 #include "swscale_internal.h"
35 #include "libavutil/x86_cpu.h"
37 extern const uint8_t dither_8x8_32
[8][8];
38 extern const uint8_t dither_8x8_73
[8][8];
39 extern const uint8_t dither_8x8_220
[8][8];
41 const int32_t ff_yuv2rgb_coeffs
[8][4] = {
42 {117504, 138453, 13954, 34903}, /* no sequence_display_extension */
43 {117504, 138453, 13954, 34903}, /* ITU-R Rec. 709 (1990) */
44 {104597, 132201, 25675, 53279}, /* unspecified */
45 {104597, 132201, 25675, 53279}, /* reserved */
46 {104448, 132798, 24759, 53109}, /* FCC */
47 {104597, 132201, 25675, 53279}, /* ITU-R Rec. 624-4 System B, G */
48 {104597, 132201, 25675, 53279}, /* SMPTE 170M */
49 {117579, 136230, 16907, 35559} /* SMPTE 240M (1987) */
52 #define LOADCHROMA(i) \
55 r = (void *)c->table_rV[V]; \
56 g = (void *)(c->table_gU[U] + c->table_gV[V]); \
57 b = (void *)c->table_bU[U];
59 #define PUTRGB(dst,src,i,o) \
61 dst[2*i ] = r[Y] + g[Y] + b[Y]; \
63 dst[2*i+1] = r[Y] + g[Y] + b[Y];
65 #define PUTRGB24(dst,src,i) \
67 dst[6*i+0] = r[Y]; dst[6*i+1] = g[Y]; dst[6*i+2] = b[Y]; \
69 dst[6*i+3] = r[Y]; dst[6*i+4] = g[Y]; dst[6*i+5] = b[Y];
71 #define PUTBGR24(dst,src,i) \
73 dst[6*i+0] = b[Y]; dst[6*i+1] = g[Y]; dst[6*i+2] = r[Y]; \
75 dst[6*i+3] = b[Y]; dst[6*i+4] = g[Y]; dst[6*i+5] = r[Y];
77 #define PUTRGBA(dst,ysrc,asrc,i,o,s) \
79 dst[2*i ] = r[Y] + g[Y] + b[Y] + (asrc[2*i ]<<s); \
81 dst[2*i+1] = r[Y] + g[Y] + b[Y] + (asrc[2*i+1]<<s);
83 #define PUTRGB48(dst,src,i) \
85 dst[12*i+ 0] = dst[12*i+ 1] = r[Y]; \
86 dst[12*i+ 2] = dst[12*i+ 3] = g[Y]; \
87 dst[12*i+ 4] = dst[12*i+ 5] = b[Y]; \
89 dst[12*i+ 6] = dst[12*i+ 7] = r[Y]; \
90 dst[12*i+ 8] = dst[12*i+ 9] = g[Y]; \
91 dst[12*i+10] = dst[12*i+11] = b[Y];
93 #define YUV2RGBFUNC(func_name, dst_type, alpha) \
94 static int func_name(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, \
95 int srcSliceH, uint8_t* dst[], int dstStride[]){\
98 if (!alpha && c->srcFormat == PIX_FMT_YUV422P) {\
102 for (y=0; y<srcSliceH; y+=2) {\
103 dst_type *dst_1 = (dst_type*)(dst[0] + (y+srcSliceY )*dstStride[0]);\
104 dst_type *dst_2 = (dst_type*)(dst[0] + (y+srcSliceY+1)*dstStride[0]);\
105 dst_type av_unused *r, *b;\
107 uint8_t *py_1 = src[0] + y*srcStride[0];\
108 uint8_t *py_2 = py_1 + srcStride[0];\
109 uint8_t *pu = src[1] + (y>>1)*srcStride[1];\
110 uint8_t *pv = src[2] + (y>>1)*srcStride[2];\
111 uint8_t av_unused *pa_1, *pa_2;\
112 unsigned int h_size = c->dstW>>3;\
114 pa_1 = src[3] + y*srcStride[3];\
115 pa_2 = pa_1 + srcStride[3];\
121 #define ENDYUV2RGBLINE(dst_delta)\
130 int av_unused Y, U, V;\
132 #define ENDYUV2RGBFUNC()\
138 #define CLOSEYUV2RGBFUNC(dst_delta)\
139 ENDYUV2RGBLINE(dst_delta)\
142 YUV2RGBFUNC(yuv2rgb_c_48
, uint8_t, 0)
144 PUTRGB48(dst_1
,py_1
,0);
145 PUTRGB48(dst_2
,py_2
,0);
148 PUTRGB48(dst_2
,py_2
,1);
149 PUTRGB48(dst_1
,py_1
,1);
152 PUTRGB48(dst_1
,py_1
,2);
153 PUTRGB48(dst_2
,py_2
,2);
156 PUTRGB48(dst_2
,py_2
,3);
157 PUTRGB48(dst_1
,py_1
,3);
160 PUTRGB48(dst_1
,py_1
,0);
161 PUTRGB48(dst_2
,py_2
,0);
164 PUTRGB48(dst_2
,py_2
,1);
165 PUTRGB48(dst_1
,py_1
,1);
168 YUV2RGBFUNC(yuv2rgb_c_32
, uint32_t, 0)
170 PUTRGB(dst_1
,py_1
,0,0);
171 PUTRGB(dst_2
,py_2
,0,1);
174 PUTRGB(dst_2
,py_2
,1,1);
175 PUTRGB(dst_1
,py_1
,1,0);
178 PUTRGB(dst_1
,py_1
,2,0);
179 PUTRGB(dst_2
,py_2
,2,1);
182 PUTRGB(dst_2
,py_2
,3,1);
183 PUTRGB(dst_1
,py_1
,3,0);
186 PUTRGB(dst_1
,py_1
,0,0);
187 PUTRGB(dst_2
,py_2
,0,1);
190 PUTRGB(dst_2
,py_2
,1,1);
191 PUTRGB(dst_1
,py_1
,1,0);
194 YUV2RGBFUNC(yuva2rgba_c
, uint32_t, 1)
196 PUTRGBA(dst_1
,py_1
,pa_1
,0,0,24);
197 PUTRGBA(dst_2
,py_2
,pa_2
,0,1,24);
200 PUTRGBA(dst_2
,py_2
,pa_1
,1,1,24);
201 PUTRGBA(dst_1
,py_1
,pa_2
,1,0,24);
204 PUTRGBA(dst_1
,py_1
,pa_1
,2,0,24);
205 PUTRGBA(dst_2
,py_2
,pa_2
,2,1,24);
208 PUTRGBA(dst_2
,py_2
,pa_1
,3,1,24);
209 PUTRGBA(dst_1
,py_1
,pa_2
,3,0,24);
214 PUTRGBA(dst_1
,py_1
,pa_1
,0,0,24);
215 PUTRGBA(dst_2
,py_2
,pa_2
,0,1,24);
218 PUTRGBA(dst_2
,py_2
,pa_1
,1,1,24);
219 PUTRGBA(dst_1
,py_1
,pa_2
,1,0,24);
222 YUV2RGBFUNC(yuva2argb_c
, uint32_t, 1)
224 PUTRGBA(dst_1
,py_1
,pa_1
,0,0,0);
225 PUTRGBA(dst_2
,py_2
,pa_2
,0,1,0);
228 PUTRGBA(dst_2
,py_2
,pa_2
,1,1,0);
229 PUTRGBA(dst_1
,py_1
,pa_1
,1,0,0);
232 PUTRGBA(dst_1
,py_1
,pa_1
,2,0,0);
233 PUTRGBA(dst_2
,py_2
,pa_2
,2,1,0);
236 PUTRGBA(dst_2
,py_2
,pa_2
,3,1,0);
237 PUTRGBA(dst_1
,py_1
,pa_1
,3,0,0);
242 PUTRGBA(dst_1
,py_1
,pa_1
,0,0,0);
243 PUTRGBA(dst_2
,py_2
,pa_2
,0,1,0);
246 PUTRGBA(dst_2
,py_2
,pa_2
,1,1,0);
247 PUTRGBA(dst_1
,py_1
,pa_1
,1,0,0);
250 YUV2RGBFUNC(yuv2rgb_c_24_rgb
, uint8_t, 0)
252 PUTRGB24(dst_1
,py_1
,0);
253 PUTRGB24(dst_2
,py_2
,0);
256 PUTRGB24(dst_2
,py_2
,1);
257 PUTRGB24(dst_1
,py_1
,1);
260 PUTRGB24(dst_1
,py_1
,2);
261 PUTRGB24(dst_2
,py_2
,2);
264 PUTRGB24(dst_2
,py_2
,3);
265 PUTRGB24(dst_1
,py_1
,3);
268 PUTRGB24(dst_1
,py_1
,0);
269 PUTRGB24(dst_2
,py_2
,0);
272 PUTRGB24(dst_2
,py_2
,1);
273 PUTRGB24(dst_1
,py_1
,1);
276 // only trivial mods from yuv2rgb_c_24_rgb
277 YUV2RGBFUNC(yuv2rgb_c_24_bgr
, uint8_t, 0)
279 PUTBGR24(dst_1
,py_1
,0);
280 PUTBGR24(dst_2
,py_2
,0);
283 PUTBGR24(dst_2
,py_2
,1);
284 PUTBGR24(dst_1
,py_1
,1);
287 PUTBGR24(dst_1
,py_1
,2);
288 PUTBGR24(dst_2
,py_2
,2);
291 PUTBGR24(dst_2
,py_2
,3);
292 PUTBGR24(dst_1
,py_1
,3);
295 PUTBGR24(dst_1
,py_1
,0);
296 PUTBGR24(dst_2
,py_2
,0);
299 PUTBGR24(dst_2
,py_2
,1);
300 PUTBGR24(dst_1
,py_1
,1);
303 // This is exactly the same code as yuv2rgb_c_32 except for the types of
304 // r, g, b, dst_1, dst_2
305 YUV2RGBFUNC(yuv2rgb_c_16
, uint16_t, 0)
307 PUTRGB(dst_1
,py_1
,0,0);
308 PUTRGB(dst_2
,py_2
,0,1);
311 PUTRGB(dst_2
,py_2
,1,1);
312 PUTRGB(dst_1
,py_1
,1,0);
315 PUTRGB(dst_1
,py_1
,2,0);
316 PUTRGB(dst_2
,py_2
,2,1);
319 PUTRGB(dst_2
,py_2
,3,1);
320 PUTRGB(dst_1
,py_1
,3,0);
323 // This is exactly the same code as yuv2rgb_c_32 except for the types of
324 // r, g, b, dst_1, dst_2
325 YUV2RGBFUNC(yuv2rgb_c_8
, uint8_t, 0)
327 PUTRGB(dst_1
,py_1
,0,0);
328 PUTRGB(dst_2
,py_2
,0,1);
331 PUTRGB(dst_2
,py_2
,1,1);
332 PUTRGB(dst_1
,py_1
,1,0);
335 PUTRGB(dst_1
,py_1
,2,0);
336 PUTRGB(dst_2
,py_2
,2,1);
339 PUTRGB(dst_2
,py_2
,3,1);
340 PUTRGB(dst_1
,py_1
,3,0);
343 // r, g, b, dst_1, dst_2
344 YUV2RGBFUNC(yuv2rgb_c_8_ordered_dither
, uint8_t, 0)
345 const uint8_t *d32
= dither_8x8_32
[y
&7];
346 const uint8_t *d64
= dither_8x8_73
[y
&7];
347 #define PUTRGB8(dst,src,i,o) \
349 dst[2*i] = r[Y+d32[0+o]] + g[Y+d32[0+o]] + b[Y+d64[0+o]]; \
351 dst[2*i+1] = r[Y+d32[1+o]] + g[Y+d32[1+o]] + b[Y+d64[1+o]];
354 PUTRGB8(dst_1
,py_1
,0,0);
355 PUTRGB8(dst_2
,py_2
,0,0+8);
358 PUTRGB8(dst_2
,py_2
,1,2+8);
359 PUTRGB8(dst_1
,py_1
,1,2);
362 PUTRGB8(dst_1
,py_1
,2,4);
363 PUTRGB8(dst_2
,py_2
,2,4+8);
366 PUTRGB8(dst_2
,py_2
,3,6+8);
367 PUTRGB8(dst_1
,py_1
,3,6);
371 // This is exactly the same code as yuv2rgb_c_32 except for the types of
372 // r, g, b, dst_1, dst_2
373 YUV2RGBFUNC(yuv2rgb_c_4
, uint8_t, 0)
375 #define PUTRGB4(dst,src,i) \
377 acc = r[Y] + g[Y] + b[Y]; \
379 acc |= (r[Y] + g[Y] + b[Y])<<4; \
383 PUTRGB4(dst_1
,py_1
,0);
384 PUTRGB4(dst_2
,py_2
,0);
387 PUTRGB4(dst_2
,py_2
,1);
388 PUTRGB4(dst_1
,py_1
,1);
391 PUTRGB4(dst_1
,py_1
,2);
392 PUTRGB4(dst_2
,py_2
,2);
395 PUTRGB4(dst_2
,py_2
,3);
396 PUTRGB4(dst_1
,py_1
,3);
399 YUV2RGBFUNC(yuv2rgb_c_4_ordered_dither
, uint8_t, 0)
400 const uint8_t *d64
= dither_8x8_73
[y
&7];
401 const uint8_t *d128
= dither_8x8_220
[y
&7];
404 #define PUTRGB4D(dst,src,i,o) \
406 acc = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]]; \
408 acc |= (r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]])<<4; \
412 PUTRGB4D(dst_1
,py_1
,0,0);
413 PUTRGB4D(dst_2
,py_2
,0,0+8);
416 PUTRGB4D(dst_2
,py_2
,1,2+8);
417 PUTRGB4D(dst_1
,py_1
,1,2);
420 PUTRGB4D(dst_1
,py_1
,2,4);
421 PUTRGB4D(dst_2
,py_2
,2,4+8);
424 PUTRGB4D(dst_2
,py_2
,3,6+8);
425 PUTRGB4D(dst_1
,py_1
,3,6);
428 // This is exactly the same code as yuv2rgb_c_32 except for the types of
429 // r, g, b, dst_1, dst_2
430 YUV2RGBFUNC(yuv2rgb_c_4b
, uint8_t, 0)
432 PUTRGB(dst_1
,py_1
,0,0);
433 PUTRGB(dst_2
,py_2
,0,1);
436 PUTRGB(dst_2
,py_2
,1,1);
437 PUTRGB(dst_1
,py_1
,1,0);
440 PUTRGB(dst_1
,py_1
,2,0);
441 PUTRGB(dst_2
,py_2
,2,1);
444 PUTRGB(dst_2
,py_2
,3,1);
445 PUTRGB(dst_1
,py_1
,3,0);
448 YUV2RGBFUNC(yuv2rgb_c_4b_ordered_dither
, uint8_t, 0)
449 const uint8_t *d64
= dither_8x8_73
[y
&7];
450 const uint8_t *d128
= dither_8x8_220
[y
&7];
452 #define PUTRGB4DB(dst,src,i,o) \
454 dst[2*i] = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]]; \
456 dst[2*i+1] = r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]];
459 PUTRGB4DB(dst_1
,py_1
,0,0);
460 PUTRGB4DB(dst_2
,py_2
,0,0+8);
463 PUTRGB4DB(dst_2
,py_2
,1,2+8);
464 PUTRGB4DB(dst_1
,py_1
,1,2);
467 PUTRGB4DB(dst_1
,py_1
,2,4);
468 PUTRGB4DB(dst_2
,py_2
,2,4+8);
471 PUTRGB4DB(dst_2
,py_2
,3,6+8);
472 PUTRGB4DB(dst_1
,py_1
,3,6);
475 YUV2RGBFUNC(yuv2rgb_c_1_ordered_dither
, uint8_t, 0)
476 const uint8_t *d128
= dither_8x8_220
[y
&7];
477 char out_1
= 0, out_2
= 0;
478 g
= c
->table_gU
[128] + c
->table_gV
[128];
480 #define PUTRGB1(out,src,i,o) \
482 out+= out + g[Y+d128[0+o]]; \
484 out+= out + g[Y+d128[1+o]];
486 PUTRGB1(out_1
,py_1
,0,0);
487 PUTRGB1(out_2
,py_2
,0,0+8);
489 PUTRGB1(out_2
,py_2
,1,2+8);
490 PUTRGB1(out_1
,py_1
,1,2);
492 PUTRGB1(out_1
,py_1
,2,4);
493 PUTRGB1(out_2
,py_2
,2,4+8);
495 PUTRGB1(out_2
,py_2
,3,6+8);
496 PUTRGB1(out_1
,py_1
,3,6);
502 SwsFunc
ff_yuv2rgb_get_func_ptr(SwsContext
*c
)
505 #if (HAVE_MMX2 || HAVE_MMX) && CONFIG_GPL
506 t
= ff_yuv2rgb_init_mmx(c
);
509 t
= ff_yuv2rgb_init_vis(c
);
512 t
= ff_yuv2rgb_init_mlib(c
);
514 #if HAVE_ALTIVEC && CONFIG_GPL
515 if (c
->flags
& SWS_CPU_CAPS_ALTIVEC
)
516 t
= ff_yuv2rgb_init_altivec(c
);
520 if (c
->flags
& SWS_CPU_CAPS_BFIN
)
521 t
= ff_yuv2rgb_get_func_ptr_bfin(c
);
527 av_log(c
, AV_LOG_WARNING
, "No accelerated colorspace conversion found.\n");
529 switch (c
->dstFormat
) {
530 case PIX_FMT_RGB48BE
:
531 case PIX_FMT_RGB48LE
: return yuv2rgb_c_48
;
533 case PIX_FMT_ABGR
: if (CONFIG_SWSCALE_ALPHA
&& c
->srcFormat
== PIX_FMT_YUVA420P
) return yuva2argb_c
;
535 case PIX_FMT_BGRA
: return (CONFIG_SWSCALE_ALPHA
&& c
->srcFormat
== PIX_FMT_YUVA420P
) ? yuva2rgba_c
: yuv2rgb_c_32
;
536 case PIX_FMT_RGB24
: return yuv2rgb_c_24_rgb
;
537 case PIX_FMT_BGR24
: return yuv2rgb_c_24_bgr
;
541 case PIX_FMT_BGR555
: return yuv2rgb_c_16
;
543 case PIX_FMT_BGR8
: return yuv2rgb_c_8_ordered_dither
;
545 case PIX_FMT_BGR4
: return yuv2rgb_c_4_ordered_dither
;
546 case PIX_FMT_RGB4_BYTE
:
547 case PIX_FMT_BGR4_BYTE
: return yuv2rgb_c_4b_ordered_dither
;
548 case PIX_FMT_MONOBLACK
: return yuv2rgb_c_1_ordered_dither
;
555 static void fill_table(uint8_t* table
[256], const int elemsize
, const int inc
, uint8_t *y_table
)
560 y_table
-= elemsize
* (inc
>> 9);
562 for (i
= 0; i
< 256; i
++) {
563 table
[i
] = y_table
+ elemsize
* (cb
>> 16);
568 static void fill_gv_table(int table
[256], const int elemsize
, const int inc
)
572 int off
= -(inc
>> 9);
574 for (i
= 0; i
< 256; i
++) {
575 table
[i
] = elemsize
* (off
+ (cb
>> 16));
580 av_cold
int ff_yuv2rgb_c_init_tables(SwsContext
*c
, const int inv_table
[4], int fullRange
,
581 int brightness
, int contrast
, int saturation
)
583 const int isRgb
= c
->dstFormat
==PIX_FMT_RGB32
584 || c
->dstFormat
==PIX_FMT_RGB32_1
585 || c
->dstFormat
==PIX_FMT_BGR24
586 || c
->dstFormat
==PIX_FMT_RGB565
587 || c
->dstFormat
==PIX_FMT_RGB555
588 || c
->dstFormat
==PIX_FMT_RGB8
589 || c
->dstFormat
==PIX_FMT_RGB4
590 || c
->dstFormat
==PIX_FMT_RGB4_BYTE
591 || c
->dstFormat
==PIX_FMT_MONOBLACK
;
592 const int bpp
= fmt_depth(c
->dstFormat
);
596 int i
, base
, rbase
, gbase
, bbase
, abase
, needAlpha
;
597 const int yoffs
= fullRange
? 384 : 326;
599 int64_t crv
= inv_table
[0];
600 int64_t cbu
= inv_table
[1];
601 int64_t cgu
= -inv_table
[2];
602 int64_t cgv
= -inv_table
[3];
612 crv
= (crv
*224) / 255;
613 cbu
= (cbu
*224) / 255;
614 cgu
= (cgu
*224) / 255;
615 cgv
= (cgv
*224) / 255;
618 cy
= (cy
*contrast
) >> 16;
619 crv
= (crv
*contrast
* saturation
) >> 32;
620 cbu
= (cbu
*contrast
* saturation
) >> 32;
621 cgu
= (cgu
*contrast
* saturation
) >> 32;
622 cgv
= (cgv
*contrast
* saturation
) >> 32;
623 oy
-= 256*brightness
;
625 //scale coefficients by cy
626 crv
= ((crv
<< 16) + 0x8000) / cy
;
627 cbu
= ((cbu
<< 16) + 0x8000) / cy
;
628 cgu
= ((cgu
<< 16) + 0x8000) / cy
;
629 cgv
= ((cgv
<< 16) + 0x8000) / cy
;
631 av_free(c
->yuvTable
);
635 c
->yuvTable
= av_malloc(1024);
636 y_table
= c
->yuvTable
;
637 yb
= -(384<<16) - oy
;
638 for (i
= 0; i
< 1024-110; i
++) {
639 y_table
[i
+110] = av_clip_uint8((yb
+ 0x8000) >> 16) >> 7;
642 fill_table(c
->table_gU
, 1, cgu
, y_table
+ yoffs
);
643 fill_gv_table(c
->table_gV
, 1, cgv
);
647 rbase
= isRgb
? 3 : 0;
649 bbase
= isRgb
? 0 : 3;
650 c
->yuvTable
= av_malloc(1024*3);
651 y_table
= c
->yuvTable
;
652 yb
= -(384<<16) - oy
;
653 for (i
= 0; i
< 1024-110; i
++) {
654 int yval
= av_clip_uint8((yb
+ 0x8000) >> 16);
655 y_table
[i
+110 ] = (yval
>> 7) << rbase
;
656 y_table
[i
+ 37+1024] = ((yval
+ 43) / 85) << gbase
;
657 y_table
[i
+110+2048] = (yval
>> 7) << bbase
;
660 fill_table(c
->table_rV
, 1, crv
, y_table
+ yoffs
);
661 fill_table(c
->table_gU
, 1, cgu
, y_table
+ yoffs
+ 1024);
662 fill_table(c
->table_bU
, 1, cbu
, y_table
+ yoffs
+ 2048);
663 fill_gv_table(c
->table_gV
, 1, cgv
);
666 rbase
= isRgb
? 5 : 0;
667 gbase
= isRgb
? 2 : 3;
668 bbase
= isRgb
? 0 : 6;
669 c
->yuvTable
= av_malloc(1024*3);
670 y_table
= c
->yuvTable
;
671 yb
= -(384<<16) - oy
;
672 for (i
= 0; i
< 1024-38; i
++) {
673 int yval
= av_clip_uint8((yb
+ 0x8000) >> 16);
674 y_table
[i
+16 ] = ((yval
+ 18) / 36) << rbase
;
675 y_table
[i
+16+1024] = ((yval
+ 18) / 36) << gbase
;
676 y_table
[i
+37+2048] = ((yval
+ 43) / 85) << bbase
;
679 fill_table(c
->table_rV
, 1, crv
, y_table
+ yoffs
);
680 fill_table(c
->table_gU
, 1, cgu
, y_table
+ yoffs
+ 1024);
681 fill_table(c
->table_bU
, 1, cbu
, y_table
+ yoffs
+ 2048);
682 fill_gv_table(c
->table_gV
, 1, cgv
);
686 rbase
= isRgb
? bpp
- 5 : 0;
688 bbase
= isRgb
? 0 : (bpp
- 5);
689 c
->yuvTable
= av_malloc(1024*3*2);
690 y_table16
= c
->yuvTable
;
691 yb
= -(384<<16) - oy
;
692 for (i
= 0; i
< 1024; i
++) {
693 uint8_t yval
= av_clip_uint8((yb
+ 0x8000) >> 16);
694 y_table16
[i
] = (yval
>> 3) << rbase
;
695 y_table16
[i
+1024] = (yval
>> (18 - bpp
)) << gbase
;
696 y_table16
[i
+2048] = (yval
>> 3) << bbase
;
699 fill_table(c
->table_rV
, 2, crv
, y_table16
+ yoffs
);
700 fill_table(c
->table_gU
, 2, cgu
, y_table16
+ yoffs
+ 1024);
701 fill_table(c
->table_bU
, 2, cbu
, y_table16
+ yoffs
+ 2048);
702 fill_gv_table(c
->table_gV
, 2, cgv
);
706 c
->yuvTable
= av_malloc(1024);
707 y_table
= c
->yuvTable
;
708 yb
= -(384<<16) - oy
;
709 for (i
= 0; i
< 1024; i
++) {
710 y_table
[i
] = av_clip_uint8((yb
+ 0x8000) >> 16);
713 fill_table(c
->table_rV
, 1, crv
, y_table
+ yoffs
);
714 fill_table(c
->table_gU
, 1, cgu
, y_table
+ yoffs
);
715 fill_table(c
->table_bU
, 1, cbu
, y_table
+ yoffs
);
716 fill_gv_table(c
->table_gV
, 1, cgv
);
719 base
= (c
->dstFormat
== PIX_FMT_RGB32_1
|| c
->dstFormat
== PIX_FMT_BGR32_1
) ? 8 : 0;
720 rbase
= base
+ (isRgb
? 16 : 0);
722 bbase
= base
+ (isRgb
? 0 : 16);
723 needAlpha
= CONFIG_SWSCALE_ALPHA
&& isALPHA(c
->srcFormat
);
725 abase
= (base
+ 24) & 31;
726 c
->yuvTable
= av_malloc(1024*3*4);
727 y_table32
= c
->yuvTable
;
728 yb
= -(384<<16) - oy
;
729 for (i
= 0; i
< 1024; i
++) {
730 uint8_t yval
= av_clip_uint8((yb
+ 0x8000) >> 16);
731 y_table32
[i
] = (yval
<< rbase
) + (needAlpha
? 0 : (255 << abase
));
732 y_table32
[i
+1024] = yval
<< gbase
;
733 y_table32
[i
+2048] = yval
<< bbase
;
736 fill_table(c
->table_rV
, 4, crv
, y_table32
+ yoffs
);
737 fill_table(c
->table_gU
, 4, cgu
, y_table32
+ yoffs
+ 1024);
738 fill_table(c
->table_bU
, 4, cbu
, y_table32
+ yoffs
+ 2048);
739 fill_gv_table(c
->table_gV
, 4, cgv
);
743 av_log(c
, AV_LOG_ERROR
, "%ibpp not supported by yuv2rgb\n", bpp
);