2 * yuv2rgb.c, Software YUV to RGB converter
4 * Copyright (C) 1999, Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
6 * Functions broken out from display_x11.c and several new modes
7 * added by HÃ¥kan Hjort <d95hjort@dtek.chalmers.se>
9 * 15 & 16 bpp support by Franck Sicard <Franck.Sicard@solsoft.fr>
11 * MMX/MMX2 template stuff (needed for fast movntq support),
12 * 1,4,8bpp support and context / deglobalize stuff
13 * by Michael Niedermayer (michaelni@gmx.at)
15 * This file is part of mpeg2dec, a free MPEG-2 video decoder
17 * mpeg2dec is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License as published by
19 * the Free Software Foundation; either version 2, or (at your option)
22 * mpeg2dec is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
27 * You should have received a copy of the GNU General Public License
28 * along with mpeg2dec; if not, write to the Free Software
29 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
40 #include "swscale_internal.h"
43 #include "yuv2rgb_mlib.c"
46 #define DITHER1XBPP // only for mmx
48 const uint8_t __attribute__((aligned(8))) dither_2x2_4[2][8]={
49 { 1, 3, 1, 3, 1, 3, 1, 3, },
50 { 2, 0, 2, 0, 2, 0, 2, 0, },
53 const uint8_t __attribute__((aligned(8))) dither_2x2_8[2][8]={
54 { 6, 2, 6, 2, 6, 2, 6, 2, },
55 { 0, 4, 0, 4, 0, 4, 0, 4, },
58 const uint8_t __attribute__((aligned(8))) dither_8x8_32[8][8]={
59 { 17, 9, 23, 15, 16, 8, 22, 14, },
60 { 5, 29, 3, 27, 4, 28, 2, 26, },
61 { 21, 13, 19, 11, 20, 12, 18, 10, },
62 { 0, 24, 6, 30, 1, 25, 7, 31, },
63 { 16, 8, 22, 14, 17, 9, 23, 15, },
64 { 4, 28, 2, 26, 5, 29, 3, 27, },
65 { 20, 12, 18, 10, 21, 13, 19, 11, },
66 { 1, 25, 7, 31, 0, 24, 6, 30, },
70 const uint8_t __attribute__((aligned(8))) dither_8x8_64[8][8]={
71 { 0, 48, 12, 60, 3, 51, 15, 63, },
72 { 32, 16, 44, 28, 35, 19, 47, 31, },
73 { 8, 56, 4, 52, 11, 59, 7, 55, },
74 { 40, 24, 36, 20, 43, 27, 39, 23, },
75 { 2, 50, 14, 62, 1, 49, 13, 61, },
76 { 34, 18, 46, 30, 33, 17, 45, 29, },
77 { 10, 58, 6, 54, 9, 57, 5, 53, },
78 { 42, 26, 38, 22, 41, 25, 37, 21, },
82 const uint8_t __attribute__((aligned(8))) dither_8x8_73[8][8]={
83 { 0, 55, 14, 68, 3, 58, 17, 72, },
84 { 37, 18, 50, 32, 40, 22, 54, 35, },
85 { 9, 64, 5, 59, 13, 67, 8, 63, },
86 { 46, 27, 41, 23, 49, 31, 44, 26, },
87 { 2, 57, 16, 71, 1, 56, 15, 70, },
88 { 39, 21, 52, 34, 38, 19, 51, 33, },
89 { 11, 66, 7, 62, 10, 65, 6, 60, },
90 { 48, 30, 43, 25, 47, 29, 42, 24, },
94 const uint8_t __attribute__((aligned(8))) dither_8x8_128[8][8]={
95 { 68, 36, 92, 60, 66, 34, 90, 58, },
96 { 20, 116, 12, 108, 18, 114, 10, 106, },
97 { 84, 52, 76, 44, 82, 50, 74, 42, },
98 { 0, 96, 24, 120, 6, 102, 30, 126, },
99 { 64, 32, 88, 56, 70, 38, 94, 62, },
100 { 16, 112, 8, 104, 22, 118, 14, 110, },
101 { 80, 48, 72, 40, 86, 54, 78, 46, },
102 { 4, 100, 28, 124, 2, 98, 26, 122, },
107 const uint8_t __attribute__((aligned(8))) dither_8x8_220[8][8]={
108 {117, 62, 158, 103, 113, 58, 155, 100, },
109 { 34, 199, 21, 186, 31, 196, 17, 182, },
110 {144, 89, 131, 76, 141, 86, 127, 72, },
111 { 0, 165, 41, 206, 10, 175, 52, 217, },
112 {110, 55, 151, 96, 120, 65, 162, 107, },
113 { 28, 193, 14, 179, 38, 203, 24, 189, },
114 {138, 83, 124, 69, 148, 93, 134, 79, },
115 { 7, 172, 48, 213, 3, 168, 45, 210, },
118 // tries to correct a gamma of 1.5
119 const uint8_t __attribute__((aligned(8))) dither_8x8_220[8][8]={
120 { 0, 143, 18, 200, 2, 156, 25, 215, },
121 { 78, 28, 125, 64, 89, 36, 138, 74, },
122 { 10, 180, 3, 161, 16, 195, 8, 175, },
123 {109, 51, 93, 38, 121, 60, 105, 47, },
124 { 1, 152, 23, 210, 0, 147, 20, 205, },
125 { 85, 33, 134, 71, 81, 30, 130, 67, },
126 { 14, 190, 6, 171, 12, 185, 5, 166, },
127 {117, 57, 101, 44, 113, 54, 97, 41, },
130 // tries to correct a gamma of 2.0
131 const uint8_t __attribute__((aligned(8))) dither_8x8_220[8][8]={
132 { 0, 124, 8, 193, 0, 140, 12, 213, },
133 { 55, 14, 104, 42, 66, 19, 119, 52, },
134 { 3, 168, 1, 145, 6, 187, 3, 162, },
135 { 86, 31, 70, 21, 99, 39, 82, 28, },
136 { 0, 134, 11, 206, 0, 129, 9, 200, },
137 { 62, 17, 114, 48, 58, 16, 109, 45, },
138 { 5, 181, 2, 157, 4, 175, 1, 151, },
139 { 95, 36, 78, 26, 90, 34, 74, 24, },
142 // tries to correct a gamma of 2.5
143 const uint8_t __attribute__((aligned(8))) dither_8x8_220[8][8]={
144 { 0, 107, 3, 187, 0, 125, 6, 212, },
145 { 39, 7, 86, 28, 49, 11, 102, 36, },
146 { 1, 158, 0, 131, 3, 180, 1, 151, },
147 { 68, 19, 52, 12, 81, 25, 64, 17, },
148 { 0, 119, 5, 203, 0, 113, 4, 195, },
149 { 45, 9, 96, 33, 42, 8, 91, 30, },
150 { 2, 172, 1, 144, 2, 165, 0, 137, },
151 { 77, 23, 60, 15, 72, 21, 56, 14, },
157 /* hope these constant values are cache line aligned */
158 static uint64_t attribute_used __attribute__((aligned(8))) mmx_00ffw = 0x00ff00ff00ff00ffULL;
159 static uint64_t attribute_used __attribute__((aligned(8))) mmx_redmask = 0xf8f8f8f8f8f8f8f8ULL;
160 static uint64_t attribute_used __attribute__((aligned(8))) mmx_grnmask = 0xfcfcfcfcfcfcfcfcULL;
162 static uint64_t attribute_used __attribute__((aligned(8))) M24A= 0x00FF0000FF0000FFULL;
163 static uint64_t attribute_used __attribute__((aligned(8))) M24B= 0xFF0000FF0000FF00ULL;
164 static uint64_t attribute_used __attribute__((aligned(8))) M24C= 0x0000FF0000FF0000ULL;
166 // the volatile is required because gcc otherwise optimizes some writes away not knowing that these
167 // are read in the asm block
168 static volatile uint64_t attribute_used __attribute__((aligned(8))) b5Dither;
169 static volatile uint64_t attribute_used __attribute__((aligned(8))) g5Dither;
170 static volatile uint64_t attribute_used __attribute__((aligned(8))) g6Dither;
171 static volatile uint64_t attribute_used __attribute__((aligned(8))) r5Dither;
173 static uint64_t __attribute__((aligned(8))) dither4[2]={
174 0x0103010301030103LL,
175 0x0200020002000200LL,};
177 static uint64_t __attribute__((aligned(8))) dither8[2]={
178 0x0602060206020602LL,
179 0x0004000400040004LL,};
188 #define RENAME(a) a ## _MMX
189 #include "yuv2rgb_template.c"
196 #define RENAME(a) a ## _MMX2
197 #include "yuv2rgb_template.c"
199 #endif /* defined(ARCH_X86) */
201 const int32_t Inverse_Table_6_9[8][4] = {
202 {117504, 138453, 13954, 34903}, /* no sequence_display_extension */
203 {117504, 138453, 13954, 34903}, /* ITU-R Rec. 709 (1990) */
204 {104597, 132201, 25675, 53279}, /* unspecified */
205 {104597, 132201, 25675, 53279}, /* reserved */
206 {104448, 132798, 24759, 53109}, /* FCC */
207 {104597, 132201, 25675, 53279}, /* ITU-R Rec. 624-4 System B, G */
208 {104597, 132201, 25675, 53279}, /* SMPTE 170M */
209 {117579, 136230, 16907, 35559} /* SMPTE 240M (1987) */
215 r = (void *)c->table_rV[V]; \
216 g = (void *)(c->table_gU[U] + c->table_gV[V]); \
217 b = (void *)c->table_bU[U];
221 dst_1[2*i] = r[Y] + g[Y] + b[Y]; \
223 dst_1[2*i+1] = r[Y] + g[Y] + b[Y];
227 dst_2[2*i] = r[Y] + g[Y] + b[Y]; \
229 dst_2[2*i+1] = r[Y] + g[Y] + b[Y];
233 dst_1[6*i] = r[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = b[Y]; \
235 dst_1[6*i+3] = r[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = b[Y];
239 dst_2[6*i] = r[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = b[Y]; \
241 dst_2[6*i+3] = r[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = b[Y];
245 dst_1[6*i] = b[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = r[Y]; \
247 dst_1[6*i+3] = b[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = r[Y];
251 dst_2[6*i] = b[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = r[Y]; \
253 dst_2[6*i+3] = b[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = r[Y];
255 #define PROLOG(func_name, dst_type) \
256 static int func_name(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, \
257 int srcSliceH, uint8_t* dst[], int dstStride[]){\
260 if (c->srcFormat == PIX_FMT_YUV422P){\
264 for (y=0; y<srcSliceH; y+=2){\
265 dst_type *dst_1= (dst_type*)(dst[0] + (y+srcSliceY )*dstStride[0]);\
266 dst_type *dst_2= (dst_type*)(dst[0] + (y+srcSliceY+1)*dstStride[0]);\
267 dst_type av_unused *r, *b;\
269 uint8_t *py_1= src[0] + y*srcStride[0];\
270 uint8_t *py_2= py_1 + srcStride[0];\
271 uint8_t *pu= src[1] + (y>>1)*srcStride[1];\
272 uint8_t *pv= src[2] + (y>>1)*srcStride[2];\
273 unsigned int h_size= c->dstW>>3;\
278 #define EPILOG1(dst_delta)\
296 #define EPILOG(dst_delta)\
300 PROLOG(yuv2rgb_c_32, uint32_t)
326 PROLOG(yuv2rgb_c_24_rgb, uint8_t)
352 // only trivial mods from yuv2rgb_c_24_rgb
353 PROLOG(yuv2rgb_c_24_bgr, uint8_t)
379 // This is exactly the same code as yuv2rgb_c_32 except for the types of
380 // r, g, b, dst_1, dst_2
381 PROLOG(yuv2rgb_c_16, uint16_t)
399 // This is exactly the same code as yuv2rgb_c_32 except for the types of
400 // r, g, b, dst_1, dst_2
401 PROLOG(yuv2rgb_c_8, uint8_t)
419 // r, g, b, dst_1, dst_2
420 PROLOG(yuv2rgb_c_8_ordered_dither, uint8_t)
421 const uint8_t *d32= dither_8x8_32[y&7];
422 const uint8_t *d64= dither_8x8_73[y&7];
423 #define DST1bpp8(i,o) \
425 dst_1[2*i] = r[Y+d32[0+o]] + g[Y+d32[0+o]] + b[Y+d64[0+o]]; \
427 dst_1[2*i+1] = r[Y+d32[1+o]] + g[Y+d32[1+o]] + b[Y+d64[1+o]];
429 #define DST2bpp8(i,o) \
431 dst_2[2*i] = r[Y+d32[8+o]] + g[Y+d32[8+o]] + b[Y+d64[8+o]]; \
433 dst_2[2*i+1] = r[Y+d32[9+o]] + g[Y+d32[9+o]] + b[Y+d64[9+o]];
454 // This is exactly the same code as yuv2rgb_c_32 except for the types of
455 // r, g, b, dst_1, dst_2
456 PROLOG(yuv2rgb_c_4, uint8_t)
460 acc = r[Y] + g[Y] + b[Y]; \
462 acc |= (r[Y] + g[Y] + b[Y])<<4; \
467 acc = r[Y] + g[Y] + b[Y]; \
469 acc |= (r[Y] + g[Y] + b[Y])<<4; \
489 PROLOG(yuv2rgb_c_4_ordered_dither, uint8_t)
490 const uint8_t *d64= dither_8x8_73[y&7];
491 const uint8_t *d128=dither_8x8_220[y&7];
494 #define DST1bpp4(i,o) \
496 acc = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]]; \
498 acc |= (r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]])<<4; \
501 #define DST2bpp4(i,o) \
503 acc = r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]]; \
505 acc |= (r[Y+d128[9+o]] + g[Y+d64[9+o]] + b[Y+d128[9+o]])<<4; \
526 // This is exactly the same code as yuv2rgb_c_32 except for the types of
527 // r, g, b, dst_1, dst_2
528 PROLOG(yuv2rgb_c_4b, uint8_t)
546 PROLOG(yuv2rgb_c_4b_ordered_dither, uint8_t)
547 const uint8_t *d64= dither_8x8_73[y&7];
548 const uint8_t *d128=dither_8x8_220[y&7];
550 #define DST1bpp4b(i,o) \
552 dst_1[2*i] = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]]; \
554 dst_1[2*i+1] = r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]];
556 #define DST2bpp4b(i,o) \
558 dst_2[2*i] = r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]]; \
560 dst_2[2*i+1] = r[Y+d128[9+o]] + g[Y+d64[9+o]] + b[Y+d128[9+o]];
580 PROLOG(yuv2rgb_c_1_ordered_dither, uint8_t)
581 const uint8_t *d128=dither_8x8_220[y&7];
582 char out_1=0, out_2=0;
583 g= c->table_gU[128] + c->table_gV[128];
585 #define DST1bpp1(i,o) \
587 out_1+= out_1 + g[Y+d128[0+o]]; \
589 out_1+= out_1 + g[Y+d128[1+o]];
591 #define DST2bpp1(i,o) \
593 out_2+= out_2 + g[Y+d128[8+o]]; \
595 out_2+= out_2 + g[Y+d128[9+o]];
613 SwsFunc yuv2rgb_get_func_ptr (SwsContext *c)
615 #if defined(HAVE_MMX2) || defined(HAVE_MMX)
616 if (c->flags & SWS_CPU_CAPS_MMX2){
617 switch(c->dstFormat){
618 case PIX_FMT_RGB32: return yuv420_rgb32_MMX2;
619 case PIX_FMT_BGR24: return yuv420_rgb24_MMX2;
620 case PIX_FMT_BGR565: return yuv420_rgb16_MMX2;
621 case PIX_FMT_BGR555: return yuv420_rgb15_MMX2;
624 if (c->flags & SWS_CPU_CAPS_MMX){
625 switch(c->dstFormat){
626 case PIX_FMT_RGB32: return yuv420_rgb32_MMX;
627 case PIX_FMT_BGR24: return yuv420_rgb24_MMX;
628 case PIX_FMT_BGR565: return yuv420_rgb16_MMX;
629 case PIX_FMT_BGR555: return yuv420_rgb15_MMX;
635 SwsFunc t= yuv2rgb_init_mlib(c);
640 if (c->flags & SWS_CPU_CAPS_ALTIVEC)
642 SwsFunc t = yuv2rgb_init_altivec(c);
648 if (c->flags & SWS_CPU_CAPS_BFIN)
650 SwsFunc t = ff_bfin_yuv2rgb_get_func_ptr (c);
655 av_log(c, AV_LOG_WARNING, "No accelerated colorspace conversion found\n");
657 switch(c->dstFormat){
659 case PIX_FMT_RGB32: return yuv2rgb_c_32;
660 case PIX_FMT_RGB24: return yuv2rgb_c_24_rgb;
661 case PIX_FMT_BGR24: return yuv2rgb_c_24_bgr;
665 case PIX_FMT_BGR555: return yuv2rgb_c_16;
667 case PIX_FMT_BGR8: return yuv2rgb_c_8_ordered_dither;
669 case PIX_FMT_BGR4: return yuv2rgb_c_4_ordered_dither;
670 case PIX_FMT_RGB4_BYTE:
671 case PIX_FMT_BGR4_BYTE: return yuv2rgb_c_4b_ordered_dither;
672 case PIX_FMT_MONOBLACK: return yuv2rgb_c_1_ordered_dither;
679 static int div_round (int dividend, int divisor)
682 return (dividend + (divisor>>1)) / divisor;
684 return -((-dividend + (divisor>>1)) / divisor);
687 int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation)
689 const int isRgb = isBGR(c->dstFormat);
690 const int bpp = fmt_depth(c->dstFormat);
692 uint8_t table_Y[1024];
693 uint32_t *table_32 = 0;
694 uint16_t *table_16 = 0;
695 uint8_t *table_8 = 0;
696 uint8_t *table_332 = 0;
697 uint8_t *table_121 = 0;
698 uint8_t *table_1 = 0;
700 void *table_r = 0, *table_g = 0, *table_b = 0;
703 int64_t crv = inv_table[0];
704 int64_t cbu = inv_table[1];
705 int64_t cgu = -inv_table[2];
706 int64_t cgv = -inv_table[3];
710 //printf("%lld %lld %lld %lld %lld\n", cy, crv, cbu, cgu, cgv);
715 crv= (crv*224) / 255;
716 cbu= (cbu*224) / 255;
717 cgu= (cgu*224) / 255;
718 cgv= (cgv*224) / 255;
721 cy = (cy *contrast )>>16;
722 crv= (crv*contrast * saturation)>>32;
723 cbu= (cbu*contrast * saturation)>>32;
724 cgu= (cgu*contrast * saturation)>>32;
725 cgv= (cgv*contrast * saturation)>>32;
726 //printf("%lld %lld %lld %lld %lld\n", cy, crv, cbu, cgu, cgv);
727 oy -= 256*brightness;
729 for (i = 0; i < 1024; i++) {
732 j= (cy*(((i - 384)<<16) - oy) + (1<<31))>>32;
733 j = (j < 0) ? 0 : ((j > 255) ? 255 : j);
739 table_start= table_32 = av_malloc ((197 + 2*682 + 256 + 132) * sizeof (uint32_t));
741 entry_size = sizeof (uint32_t);
742 table_r = table_32 + 197;
743 table_b = table_32 + 197 + 685;
744 table_g = table_32 + 197 + 2*682;
746 for (i = -197; i < 256+197; i++)
747 ((uint32_t *)table_r)[i] = table_Y[i+384] << (isRgb ? 16 : 0);
748 for (i = -132; i < 256+132; i++)
749 ((uint32_t *)table_g)[i] = table_Y[i+384] << 8;
750 for (i = -232; i < 256+232; i++)
751 ((uint32_t *)table_b)[i] = table_Y[i+384] << (isRgb ? 0 : 16);
755 table_start= table_8 = av_malloc ((256 + 2*232) * sizeof (uint8_t));
757 entry_size = sizeof (uint8_t);
758 table_r = table_g = table_b = table_8 + 232;
760 for (i = -232; i < 256+232; i++)
761 ((uint8_t * )table_b)[i] = table_Y[i+384];
766 table_start= table_16 = av_malloc ((197 + 2*682 + 256 + 132) * sizeof (uint16_t));
768 entry_size = sizeof (uint16_t);
769 table_r = table_16 + 197;
770 table_b = table_16 + 197 + 685;
771 table_g = table_16 + 197 + 2*682;
773 for (i = -197; i < 256+197; i++) {
774 int j = table_Y[i+384] >> 3;
777 j <<= ((bpp==16) ? 11 : 10);
779 ((uint16_t *)table_r)[i] = j;
781 for (i = -132; i < 256+132; i++) {
782 int j = table_Y[i+384] >> ((bpp==16) ? 2 : 3);
784 ((uint16_t *)table_g)[i] = j << 5;
786 for (i = -232; i < 256+232; i++) {
787 int j = table_Y[i+384] >> 3;
790 j <<= ((bpp==16) ? 11 : 10);
792 ((uint16_t *)table_b)[i] = j;
797 table_start= table_332 = av_malloc ((197 + 2*682 + 256 + 132) * sizeof (uint8_t));
799 entry_size = sizeof (uint8_t);
800 table_r = table_332 + 197;
801 table_b = table_332 + 197 + 685;
802 table_g = table_332 + 197 + 2*682;
804 for (i = -197; i < 256+197; i++) {
805 int j = (table_Y[i+384 - 16] + 18)/36;
810 ((uint8_t *)table_r)[i] = j;
812 for (i = -132; i < 256+132; i++) {
813 int j = (table_Y[i+384 - 16] + 18)/36;
818 ((uint8_t *)table_g)[i] = j << 2;
820 for (i = -232; i < 256+232; i++) {
821 int j = (table_Y[i+384 - 37] + 43)/85;
826 ((uint8_t *)table_b)[i] = j;
831 table_start= table_121 = av_malloc ((197 + 2*682 + 256 + 132) * sizeof (uint8_t));
833 entry_size = sizeof (uint8_t);
834 table_r = table_121 + 197;
835 table_b = table_121 + 197 + 685;
836 table_g = table_121 + 197 + 2*682;
838 for (i = -197; i < 256+197; i++) {
839 int j = table_Y[i+384 - 110] >> 7;
844 ((uint8_t *)table_r)[i] = j;
846 for (i = -132; i < 256+132; i++) {
847 int j = (table_Y[i+384 - 37]+ 43)/85;
849 ((uint8_t *)table_g)[i] = j << 1;
851 for (i = -232; i < 256+232; i++) {
852 int j =table_Y[i+384 - 110] >> 7;
857 ((uint8_t *)table_b)[i] = j;
862 table_start= table_1 = av_malloc (256*2 * sizeof (uint8_t));
864 entry_size = sizeof (uint8_t);
866 table_r = table_b = NULL;
868 for (i = 0; i < 256+256; i++) {
869 int j = table_Y[i + 384 - 110]>>7;
871 ((uint8_t *)table_g)[i] = j;
877 av_log(c, AV_LOG_ERROR, "%ibpp not supported by yuv2rgb\n", bpp);
882 for (i = 0; i < 256; i++) {
883 c->table_rV[i] = (uint8_t *)table_r + entry_size * div_round (crv * (i-128), 76309);
884 c->table_gU[i] = (uint8_t *)table_g + entry_size * div_round (cgu * (i-128), 76309);
885 c->table_gV[i] = entry_size * div_round (cgv * (i-128), 76309);
886 c->table_bU[i] = (uint8_t *)table_b + entry_size * div_round (cbu * (i-128), 76309);
889 av_free(c->yuvTable);
890 c->yuvTable= table_start;