libswscale/yuv2rgb.c
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 /*
  * software YUV to RGB converter
  *
  * Copyright (C) 2009 Konstantin Shishkov
  *
  * 1,4,8bpp support and context / deglobalize stuff
  * by Michael Niedermayer (michaelni@gmx.at)
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <inttypes.h>
 
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 #include "libavutil/cpu.h"
 #include "libavutil/bswap.h"
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 #include "config.h"
 #include "rgb2rgb.h"
 #include "swscale.h"
 #include "swscale_internal.h"
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 #include "libavutil/pixdesc.h"
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 /* Color space conversion coefficients for YCbCr -> RGB mapping.
  *
  * Entries are {crv, cbu, cgu, cgv}
  *
  *   crv = (255 / 224) * 65536 * (1 - cr) / 0.5
  *   cbu = (255 / 224) * 65536 * (1 - cb) / 0.5
  *   cgu = (255 / 224) * 65536 * (cb / cg) * (1 - cb) / 0.5
  *   cgv = (255 / 224) * 65536 * (cr / cg) * (1 - cr) / 0.5
  *
  * where Y = cr * R + cg * G + cb * B and cr + cg + cb = 1.
  */
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 const int32_t ff_yuv2rgb_coeffs[11][4] = {
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     { 117489, 138438, 13975, 34925 }, /* no sequence_display_extension */
     { 117489, 138438, 13975, 34925 }, /* ITU-R Rec. 709 (1990) */
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     { 104597, 132201, 25675, 53279 }, /* unspecified */
     { 104597, 132201, 25675, 53279 }, /* reserved */
     { 104448, 132798, 24759, 53109 }, /* FCC */
     { 104597, 132201, 25675, 53279 }, /* ITU-R Rec. 624-4 System B, G */
     { 104597, 132201, 25675, 53279 }, /* SMPTE 170M */
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     { 117579, 136230, 16907, 35559 }, /* SMPTE 240M (1987) */
     {      0                       }, /* YCgCo */
     { 110013, 140363, 12277, 42626 }, /* Bt-2020-NCL */
     { 110013, 140363, 12277, 42626 }, /* Bt-2020-CL */
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 };
 
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 const int *sws_getCoefficients(int colorspace)
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 {
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     if (colorspace > 10 || colorspace < 0 || colorspace == 8)
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         colorspace = SWS_CS_DEFAULT;
     return ff_yuv2rgb_coeffs[colorspace];
 }
 
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 #define LOADCHROMA(i)                               \
     U = pu[i];                                      \
     V = pv[i];                                      \
0644cabd
     r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM];                     \
     g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] + c->table_gV[V+YUVRGB_TABLE_HEADROOM]);  \
     b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM];
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 #define PUTRGB(dst, src, i)                         \
     Y              = src[2 * i];                    \
     dst[2 * i]     = r[Y] + g[Y] + b[Y];            \
     Y              = src[2 * i + 1];                \
     dst[2 * i + 1] = r[Y] + g[Y] + b[Y];
 
 #define PUTRGB24(dst, src, i)                       \
     Y              = src[2 * i];                    \
     dst[6 * i + 0] = r[Y];                          \
     dst[6 * i + 1] = g[Y];                          \
     dst[6 * i + 2] = b[Y];                          \
     Y              = src[2 * i + 1];                \
     dst[6 * i + 3] = r[Y];                          \
     dst[6 * i + 4] = g[Y];                          \
     dst[6 * i + 5] = b[Y];
 
 #define PUTBGR24(dst, src, i)                       \
     Y              = src[2 * i];                    \
     dst[6 * i + 0] = b[Y];                          \
     dst[6 * i + 1] = g[Y];                          \
     dst[6 * i + 2] = r[Y];                          \
     Y              = src[2 * i + 1];                \
     dst[6 * i + 3] = b[Y];                          \
     dst[6 * i + 4] = g[Y];                          \
     dst[6 * i + 5] = r[Y];
 
 #define PUTRGBA(dst, ysrc, asrc, i, s)                                  \
     Y              = ysrc[2 * i];                                       \
     dst[2 * i]     = r[Y] + g[Y] + b[Y] + (asrc[2 * i]     << s);       \
     Y              = ysrc[2 * i + 1];                                   \
     dst[2 * i + 1] = r[Y] + g[Y] + b[Y] + (asrc[2 * i + 1] << s);
 
 #define PUTRGB48(dst, src, i)                       \
     Y                = src[ 2 * i];                 \
     dst[12 * i +  0] = dst[12 * i +  1] = r[Y];     \
     dst[12 * i +  2] = dst[12 * i +  3] = g[Y];     \
     dst[12 * i +  4] = dst[12 * i +  5] = b[Y];     \
     Y                = src[ 2 * i + 1];             \
     dst[12 * i +  6] = dst[12 * i +  7] = r[Y];     \
     dst[12 * i +  8] = dst[12 * i +  9] = g[Y];     \
     dst[12 * i + 10] = dst[12 * i + 11] = b[Y];
 
 #define PUTBGR48(dst, src, i)                       \
     Y                = src[2 * i];                  \
     dst[12 * i +  0] = dst[12 * i +  1] = b[Y];     \
     dst[12 * i +  2] = dst[12 * i +  3] = g[Y];     \
     dst[12 * i +  4] = dst[12 * i +  5] = r[Y];     \
     Y                = src[2  * i +  1];            \
     dst[12 * i +  6] = dst[12 * i +  7] = b[Y];     \
     dst[12 * i +  8] = dst[12 * i +  9] = g[Y];     \
     dst[12 * i + 10] = dst[12 * i + 11] = r[Y];
 
 #define YUV2RGBFUNC(func_name, dst_type, alpha)                             \
     static int func_name(SwsContext *c, const uint8_t *src[],               \
                          int srcStride[], int srcSliceY, int srcSliceH,     \
                          uint8_t *dst[], int dstStride[])                   \
     {                                                                       \
         int y;                                                              \
                                                                             \
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         if (!alpha && c->srcFormat == AV_PIX_FMT_YUV422P) {                    \
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             srcStride[1] *= 2;                                              \
             srcStride[2] *= 2;                                              \
         }                                                                   \
         for (y = 0; y < srcSliceH; y += 2) {                                \
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             int yd = y + srcSliceY;                                         \
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             dst_type *dst_1 =                                               \
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                 (dst_type *)(dst[0] + (yd)     * dstStride[0]);             \
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             dst_type *dst_2 =                                               \
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                 (dst_type *)(dst[0] + (yd + 1) * dstStride[0]);             \
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             dst_type av_unused *r, *g, *b;                                  \
             const uint8_t *py_1 = src[0] +  y       * srcStride[0];         \
             const uint8_t *py_2 = py_1   +            srcStride[0];         \
             const uint8_t *pu   = src[1] + (y >> 1) * srcStride[1];         \
             const uint8_t *pv   = src[2] + (y >> 1) * srcStride[2];         \
             const uint8_t av_unused *pa_1, *pa_2;                           \
             unsigned int h_size = c->dstW >> 3;                             \
             if (alpha) {                                                    \
                 pa_1 = src[3] + y * srcStride[3];                           \
                 pa_2 = pa_1   +     srcStride[3];                           \
             }                                                               \
             while (h_size--) {                                              \
                 int av_unused U, V, Y;                                      \
 
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 #define ENDYUV2RGBLINE(dst_delta, ss)               \
     pu    += 4 >> ss;                               \
     pv    += 4 >> ss;                               \
     py_1  += 8 >> ss;                               \
     py_2  += 8 >> ss;                               \
     dst_1 += dst_delta >> ss;                       \
     dst_2 += dst_delta >> ss;                       \
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     }                                               \
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     if (c->dstW & (4 >> ss)) {                      \
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         int av_unused Y, U, V;                      \
 
 #define ENDYUV2RGBFUNC()                            \
             }                                       \
         }                                           \
         return srcSliceH;                           \
     }
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 #define CLOSEYUV2RGBFUNC(dst_delta)                 \
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     ENDYUV2RGBLINE(dst_delta, 0)                    \
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     ENDYUV2RGBFUNC()
 
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 YUV2RGBFUNC(yuv2rgb_c_48, uint8_t, 0)
     LOADCHROMA(0);
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     PUTRGB48(dst_1, py_1, 0);
     PUTRGB48(dst_2, py_2, 0);
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     LOADCHROMA(1);
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     PUTRGB48(dst_2, py_2, 1);
     PUTRGB48(dst_1, py_1, 1);
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     LOADCHROMA(2);
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     PUTRGB48(dst_1, py_1, 2);
     PUTRGB48(dst_2, py_2, 2);
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     LOADCHROMA(3);
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     PUTRGB48(dst_2, py_2, 3);
     PUTRGB48(dst_1, py_1, 3);
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 ENDYUV2RGBLINE(48, 0)
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     LOADCHROMA(0);
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     PUTRGB48(dst_1, py_1, 0);
     PUTRGB48(dst_2, py_2, 0);
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     LOADCHROMA(1);
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     PUTRGB48(dst_2, py_2, 1);
     PUTRGB48(dst_1, py_1, 1);
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 ENDYUV2RGBLINE(48, 1)
     LOADCHROMA(0);
     PUTRGB48(dst_1, py_1, 0);
     PUTRGB48(dst_2, py_2, 0);
68e7f482
 ENDYUV2RGBFUNC()
 
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 YUV2RGBFUNC(yuv2rgb_c_bgr48, uint8_t, 0)
     LOADCHROMA(0);
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     PUTBGR48(dst_1, py_1, 0);
     PUTBGR48(dst_2, py_2, 0);
3e2523db
 
     LOADCHROMA(1);
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     PUTBGR48(dst_2, py_2, 1);
     PUTBGR48(dst_1, py_1, 1);
3e2523db
 
     LOADCHROMA(2);
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     PUTBGR48(dst_1, py_1, 2);
     PUTBGR48(dst_2, py_2, 2);
3e2523db
 
     LOADCHROMA(3);
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     PUTBGR48(dst_2, py_2, 3);
     PUTBGR48(dst_1, py_1, 3);
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 ENDYUV2RGBLINE(48, 0)
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     LOADCHROMA(0);
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     PUTBGR48(dst_1, py_1, 0);
     PUTBGR48(dst_2, py_2, 0);
3e2523db
 
     LOADCHROMA(1);
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     PUTBGR48(dst_2, py_2, 1);
     PUTBGR48(dst_1, py_1, 1);
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 ENDYUV2RGBLINE(48, 1)
     LOADCHROMA(0);
     PUTBGR48(dst_1, py_1, 0);
     PUTBGR48(dst_2, py_2, 0);
3e2523db
 ENDYUV2RGBFUNC()
 
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 YUV2RGBFUNC(yuv2rgb_c_32, uint32_t, 0)
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     LOADCHROMA(0);
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     PUTRGB(dst_1, py_1, 0);
     PUTRGB(dst_2, py_2, 0);
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     LOADCHROMA(1);
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     PUTRGB(dst_2, py_2, 1);
     PUTRGB(dst_1, py_1, 1);
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     LOADCHROMA(2);
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     PUTRGB(dst_1, py_1, 2);
     PUTRGB(dst_2, py_2, 2);
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     LOADCHROMA(3);
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     PUTRGB(dst_2, py_2, 3);
     PUTRGB(dst_1, py_1, 3);
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 ENDYUV2RGBLINE(8, 0)
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     LOADCHROMA(0);
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     PUTRGB(dst_1, py_1, 0);
     PUTRGB(dst_2, py_2, 0);
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     LOADCHROMA(1);
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     PUTRGB(dst_2, py_2, 1);
     PUTRGB(dst_1, py_1, 1);
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 ENDYUV2RGBLINE(8, 1)
     LOADCHROMA(0);
     PUTRGB(dst_1, py_1, 0);
     PUTRGB(dst_2, py_2, 0);
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 ENDYUV2RGBFUNC()
 
9b0510a8
 #if HAVE_BIGENDIAN
 YUV2RGBFUNC(yuva2argb_c, uint32_t, 1)
 #else
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 YUV2RGBFUNC(yuva2rgba_c, uint32_t, 1)
9b0510a8
 #endif
3acd545f
     LOADCHROMA(0);
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     PUTRGBA(dst_1, py_1, pa_1, 0, 24);
     PUTRGBA(dst_2, py_2, pa_2, 0, 24);
3acd545f
 
     LOADCHROMA(1);
6e293d11
     PUTRGBA(dst_2, py_2, pa_2, 1, 24);
     PUTRGBA(dst_1, py_1, pa_1, 1, 24);
3acd545f
 
     LOADCHROMA(2);
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     PUTRGBA(dst_1, py_1, pa_1, 2, 24);
     PUTRGBA(dst_2, py_2, pa_2, 2, 24);
3acd545f
 
     LOADCHROMA(3);
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     PUTRGBA(dst_2, py_2, pa_2, 3, 24);
     PUTRGBA(dst_1, py_1, pa_1, 3, 24);
6c5eac9a
     pa_1 += 8;
     pa_2 += 8;
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 ENDYUV2RGBLINE(8, 0)
3acd545f
     LOADCHROMA(0);
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     PUTRGBA(dst_1, py_1, pa_1, 0, 24);
     PUTRGBA(dst_2, py_2, pa_2, 0, 24);
3acd545f
 
     LOADCHROMA(1);
6e293d11
     PUTRGBA(dst_2, py_2, pa_2, 1, 24);
     PUTRGBA(dst_1, py_1, pa_1, 1, 24);
6c5eac9a
     pa_1 += 4;
     pa_2 += 4;
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 ENDYUV2RGBLINE(8, 1)
     LOADCHROMA(0);
     PUTRGBA(dst_1, py_1, pa_1, 0, 24);
     PUTRGBA(dst_2, py_2, pa_2, 0, 24);
3acd545f
 ENDYUV2RGBFUNC()
 
9b0510a8
 #if HAVE_BIGENDIAN
 YUV2RGBFUNC(yuva2rgba_c, uint32_t, 1)
 #else
3acd545f
 YUV2RGBFUNC(yuva2argb_c, uint32_t, 1)
9b0510a8
 #endif
3acd545f
     LOADCHROMA(0);
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     PUTRGBA(dst_1, py_1, pa_1, 0, 0);
     PUTRGBA(dst_2, py_2, pa_2, 0, 0);
3acd545f
 
     LOADCHROMA(1);
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     PUTRGBA(dst_2, py_2, pa_2, 1, 0);
     PUTRGBA(dst_1, py_1, pa_1, 1, 0);
3acd545f
 
     LOADCHROMA(2);
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     PUTRGBA(dst_1, py_1, pa_1, 2, 0);
     PUTRGBA(dst_2, py_2, pa_2, 2, 0);
3acd545f
 
     LOADCHROMA(3);
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     PUTRGBA(dst_2, py_2, pa_2, 3, 0);
     PUTRGBA(dst_1, py_1, pa_1, 3, 0);
6c5eac9a
     pa_1 += 8;
     pa_2 += 8;
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 ENDYUV2RGBLINE(8, 0)
3acd545f
     LOADCHROMA(0);
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     PUTRGBA(dst_1, py_1, pa_1, 0, 0);
     PUTRGBA(dst_2, py_2, pa_2, 0, 0);
3acd545f
 
     LOADCHROMA(1);
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     PUTRGBA(dst_2, py_2, pa_2, 1, 0);
     PUTRGBA(dst_1, py_1, pa_1, 1, 0);
6c5eac9a
     pa_1 += 4;
     pa_2 += 4;
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 ENDYUV2RGBLINE(8, 1)
     LOADCHROMA(0);
     PUTRGBA(dst_1, py_1, pa_1, 0, 0);
     PUTRGBA(dst_2, py_2, pa_2, 0, 0);
3acd545f
 ENDYUV2RGBFUNC()
 
9a10a076
 YUV2RGBFUNC(yuv2rgb_c_24_rgb, uint8_t, 0)
e76709d8
     LOADCHROMA(0);
89d94b21
     PUTRGB24(dst_1, py_1, 0);
     PUTRGB24(dst_2, py_2, 0);
e76709d8
 
     LOADCHROMA(1);
89d94b21
     PUTRGB24(dst_2, py_2, 1);
     PUTRGB24(dst_1, py_1, 1);
e76709d8
 
     LOADCHROMA(2);
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     PUTRGB24(dst_1, py_1, 2);
     PUTRGB24(dst_2, py_2, 2);
e76709d8
 
     LOADCHROMA(3);
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     PUTRGB24(dst_2, py_2, 3);
     PUTRGB24(dst_1, py_1, 3);
b64a72e1
 ENDYUV2RGBLINE(24, 0)
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     LOADCHROMA(0);
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     PUTRGB24(dst_1, py_1, 0);
     PUTRGB24(dst_2, py_2, 0);
e76709d8
 
     LOADCHROMA(1);
89d94b21
     PUTRGB24(dst_2, py_2, 1);
     PUTRGB24(dst_1, py_1, 1);
b64a72e1
 ENDYUV2RGBLINE(24, 1)
     LOADCHROMA(0);
     PUTRGB24(dst_1, py_1, 0);
     PUTRGB24(dst_2, py_2, 0);
e76709d8
 ENDYUV2RGBFUNC()
 
 // only trivial mods from yuv2rgb_c_24_rgb
9a10a076
 YUV2RGBFUNC(yuv2rgb_c_24_bgr, uint8_t, 0)
e76709d8
     LOADCHROMA(0);
89d94b21
     PUTBGR24(dst_1, py_1, 0);
     PUTBGR24(dst_2, py_2, 0);
e76709d8
 
     LOADCHROMA(1);
89d94b21
     PUTBGR24(dst_2, py_2, 1);
     PUTBGR24(dst_1, py_1, 1);
e76709d8
 
     LOADCHROMA(2);
89d94b21
     PUTBGR24(dst_1, py_1, 2);
     PUTBGR24(dst_2, py_2, 2);
e76709d8
 
     LOADCHROMA(3);
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     PUTBGR24(dst_2, py_2, 3);
     PUTBGR24(dst_1, py_1, 3);
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 ENDYUV2RGBLINE(24, 0)
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     LOADCHROMA(0);
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     PUTBGR24(dst_1, py_1, 0);
     PUTBGR24(dst_2, py_2, 0);
e76709d8
 
     LOADCHROMA(1);
89d94b21
     PUTBGR24(dst_2, py_2, 1);
     PUTBGR24(dst_1, py_1, 1);
b64a72e1
 ENDYUV2RGBLINE(24, 1)
     LOADCHROMA(0);
     PUTBGR24(dst_1, py_1, 0);
     PUTBGR24(dst_2, py_2, 0);
e76709d8
 ENDYUV2RGBFUNC()
 
22a27953
 YUV2RGBFUNC(yuv2rgb_c_16_ordered_dither, uint16_t, 0)
c14fc458
     const uint8_t *d16 = ff_dither_2x2_8[y & 1];
     const uint8_t *e16 = ff_dither_2x2_4[y & 1];
     const uint8_t *f16 = ff_dither_2x2_8[(y & 1)^1];
22a27953
 
 #define PUTRGB16(dst, src, i, o)                    \
     Y              = src[2 * i];                    \
     dst[2 * i]     = r[Y + d16[0 + o]] +            \
                      g[Y + e16[0 + o]] +            \
                      b[Y + f16[0 + o]];             \
     Y              = src[2 * i + 1];                \
     dst[2 * i + 1] = r[Y + d16[1 + o]] +            \
                      g[Y + e16[1 + o]] +            \
                      b[Y + f16[1 + o]];
e76709d8
     LOADCHROMA(0);
22a27953
     PUTRGB16(dst_1, py_1, 0, 0);
     PUTRGB16(dst_2, py_2, 0, 0 + 8);
e76709d8
 
     LOADCHROMA(1);
22a27953
     PUTRGB16(dst_2, py_2, 1, 2 + 8);
     PUTRGB16(dst_1, py_1, 1, 2);
e76709d8
 
     LOADCHROMA(2);
22a27953
     PUTRGB16(dst_1, py_1, 2, 4);
     PUTRGB16(dst_2, py_2, 2, 4 + 8);
e76709d8
 
     LOADCHROMA(3);
22a27953
     PUTRGB16(dst_2, py_2, 3, 6 + 8);
     PUTRGB16(dst_1, py_1, 3, 6);
 CLOSEYUV2RGBFUNC(8)
 
 YUV2RGBFUNC(yuv2rgb_c_15_ordered_dither, uint16_t, 0)
c14fc458
     const uint8_t *d16 = ff_dither_2x2_8[y & 1];
     const uint8_t *e16 = ff_dither_2x2_8[(y & 1)^1];
22a27953
 
 #define PUTRGB15(dst, src, i, o)                    \
     Y              = src[2 * i];                    \
     dst[2 * i]     = r[Y + d16[0 + o]] +            \
                      g[Y + d16[1 + o]] +            \
                      b[Y + e16[0 + o]];             \
     Y              = src[2 * i + 1];                \
     dst[2 * i + 1] = r[Y + d16[1 + o]] +            \
                      g[Y + d16[0 + o]] +            \
                      b[Y + e16[1 + o]];
     LOADCHROMA(0);
     PUTRGB15(dst_1, py_1, 0, 0);
     PUTRGB15(dst_2, py_2, 0, 0 + 8);
 
     LOADCHROMA(1);
     PUTRGB15(dst_2, py_2, 1, 2 + 8);
     PUTRGB15(dst_1, py_1, 1, 2);
 
     LOADCHROMA(2);
     PUTRGB15(dst_1, py_1, 2, 4);
     PUTRGB15(dst_2, py_2, 2, 4 + 8);
 
     LOADCHROMA(3);
     PUTRGB15(dst_2, py_2, 3, 6 + 8);
     PUTRGB15(dst_1, py_1, 3, 6);
e76709d8
 CLOSEYUV2RGBFUNC(8)
 
 // r, g, b, dst_1, dst_2
601949b8
 YUV2RGBFUNC(yuv2rgb_c_12_ordered_dither, uint16_t, 0)
aa2ba8c9
     const uint8_t *d16 = ff_dither_4x4_16[y & 3];
89d94b21
 
 #define PUTRGB12(dst, src, i, o)                    \
     Y              = src[2 * i];                    \
     dst[2 * i]     = r[Y + d16[0 + o]] +            \
                      g[Y + d16[0 + o]] +            \
                      b[Y + d16[0 + o]];             \
     Y              = src[2 * i + 1];                \
     dst[2 * i + 1] = r[Y + d16[1 + o]] +            \
                      g[Y + d16[1 + o]] +            \
                      b[Y + d16[1 + o]];
601949b8
 
     LOADCHROMA(0);
89d94b21
     PUTRGB12(dst_1, py_1, 0, 0);
     PUTRGB12(dst_2, py_2, 0, 0 + 8);
601949b8
 
     LOADCHROMA(1);
89d94b21
     PUTRGB12(dst_2, py_2, 1, 2 + 8);
     PUTRGB12(dst_1, py_1, 1, 2);
601949b8
 
     LOADCHROMA(2);
89d94b21
     PUTRGB12(dst_1, py_1, 2, 4);
     PUTRGB12(dst_2, py_2, 2, 4 + 8);
601949b8
 
     LOADCHROMA(3);
89d94b21
     PUTRGB12(dst_2, py_2, 3, 6 + 8);
     PUTRGB12(dst_1, py_1, 3, 6);
601949b8
 CLOSEYUV2RGBFUNC(8)
 
 // r, g, b, dst_1, dst_2
9a10a076
 YUV2RGBFUNC(yuv2rgb_c_8_ordered_dither, uint8_t, 0)
be3c29e3
     const uint8_t *d32 = ff_dither_8x8_32[yd & 7];
     const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
89d94b21
 
 #define PUTRGB8(dst, src, i, o)                     \
     Y              = src[2 * i];                    \
     dst[2 * i]     = r[Y + d32[0 + o]] +            \
                      g[Y + d32[0 + o]] +            \
                      b[Y + d64[0 + o]];             \
     Y              = src[2 * i + 1];                \
     dst[2 * i + 1] = r[Y + d32[1 + o]] +            \
                      g[Y + d32[1 + o]] +            \
                      b[Y + d64[1 + o]];
e76709d8
 
     LOADCHROMA(0);
89d94b21
     PUTRGB8(dst_1, py_1, 0, 0);
     PUTRGB8(dst_2, py_2, 0, 0 + 8);
e76709d8
 
     LOADCHROMA(1);
89d94b21
     PUTRGB8(dst_2, py_2, 1, 2 + 8);
     PUTRGB8(dst_1, py_1, 1, 2);
e76709d8
 
     LOADCHROMA(2);
89d94b21
     PUTRGB8(dst_1, py_1, 2, 4);
     PUTRGB8(dst_2, py_2, 2, 4 + 8);
e76709d8
 
     LOADCHROMA(3);
89d94b21
     PUTRGB8(dst_2, py_2, 3, 6 + 8);
     PUTRGB8(dst_1, py_1, 3, 6);
3d00ba26
 
 ENDYUV2RGBLINE(8, 0)
be3c29e3
     const uint8_t *d32 = ff_dither_8x8_32[yd & 7];
     const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
3d00ba26
     LOADCHROMA(0);
     PUTRGB8(dst_1, py_1, 0, 0);
     PUTRGB8(dst_2, py_2, 0, 0 + 8);
 
     LOADCHROMA(1);
     PUTRGB8(dst_2, py_2, 1, 2 + 8);
     PUTRGB8(dst_1, py_1, 1, 2);
 
 ENDYUV2RGBLINE(8, 1)
be3c29e3
     const uint8_t *d32 = ff_dither_8x8_32[yd & 7];
     const uint8_t *d64 = ff_dither_8x8_73[yd & 7];
3d00ba26
     LOADCHROMA(0);
     PUTRGB8(dst_1, py_1, 0, 0);
     PUTRGB8(dst_2, py_2, 0, 0 + 8);
 
 ENDYUV2RGBFUNC()
 
e76709d8
 
9a10a076
 YUV2RGBFUNC(yuv2rgb_c_4_ordered_dither, uint8_t, 0)
be3c29e3
     const uint8_t * d64 = ff_dither_8x8_73[yd & 7];
     const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
e76709d8
     int acc;
 
89d94b21
 #define PUTRGB4D(dst, src, i, o)                    \
     Y      = src[2 * i];                            \
     acc    = r[Y + d128[0 + o]] +                   \
              g[Y +  d64[0 + o]] +                   \
              b[Y + d128[0 + o]];                    \
     Y      = src[2 * i + 1];                        \
     acc   |= (r[Y + d128[1 + o]] +                  \
               g[Y +  d64[1 + o]] +                  \
               b[Y + d128[1 + o]]) << 4;             \
     dst[i] = acc;
e76709d8
 
     LOADCHROMA(0);
89d94b21
     PUTRGB4D(dst_1, py_1, 0, 0);
     PUTRGB4D(dst_2, py_2, 0, 0 + 8);
e76709d8
 
     LOADCHROMA(1);
89d94b21
     PUTRGB4D(dst_2, py_2, 1, 2 + 8);
     PUTRGB4D(dst_1, py_1, 1, 2);
e76709d8
 
     LOADCHROMA(2);
89d94b21
     PUTRGB4D(dst_1, py_1, 2, 4);
     PUTRGB4D(dst_2, py_2, 2, 4 + 8);
e76709d8
 
     LOADCHROMA(3);
89d94b21
     PUTRGB4D(dst_2, py_2, 3, 6 + 8);
     PUTRGB4D(dst_1, py_1, 3, 6);
3848512d
 
 ENDYUV2RGBLINE(4, 0)
be3c29e3
     const uint8_t * d64 = ff_dither_8x8_73[yd & 7];
     const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
3848512d
     int acc;
     LOADCHROMA(0);
     PUTRGB4D(dst_1, py_1, 0, 0);
     PUTRGB4D(dst_2, py_2, 0, 0 + 8);
 
     LOADCHROMA(1);
     PUTRGB4D(dst_2, py_2, 1, 2 + 8);
     PUTRGB4D(dst_1, py_1, 1, 2);
 
 ENDYUV2RGBLINE(4, 1)
be3c29e3
     const uint8_t * d64 = ff_dither_8x8_73[yd & 7];
     const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
3848512d
     int acc;
     LOADCHROMA(0);
     PUTRGB4D(dst_1, py_1, 0, 0);
     PUTRGB4D(dst_2, py_2, 0, 0 + 8);
 ENDYUV2RGBFUNC()
e76709d8
 
9a10a076
 YUV2RGBFUNC(yuv2rgb_c_4b_ordered_dither, uint8_t, 0)
be3c29e3
     const uint8_t *d64  = ff_dither_8x8_73[yd & 7];
     const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
89d94b21
 
 #define PUTRGB4DB(dst, src, i, o)                   \
     Y              = src[2 * i];                    \
     dst[2 * i]     = r[Y + d128[0 + o]] +           \
                      g[Y +  d64[0 + o]] +           \
                      b[Y + d128[0 + o]];            \
     Y              = src[2 * i + 1];                \
     dst[2 * i + 1] = r[Y + d128[1 + o]] +           \
                      g[Y +  d64[1 + o]] +           \
                      b[Y + d128[1 + o]];
e76709d8
 
     LOADCHROMA(0);
89d94b21
     PUTRGB4DB(dst_1, py_1, 0, 0);
     PUTRGB4DB(dst_2, py_2, 0, 0 + 8);
e76709d8
 
     LOADCHROMA(1);
89d94b21
     PUTRGB4DB(dst_2, py_2, 1, 2 + 8);
     PUTRGB4DB(dst_1, py_1, 1, 2);
e76709d8
 
     LOADCHROMA(2);
89d94b21
     PUTRGB4DB(dst_1, py_1, 2, 4);
     PUTRGB4DB(dst_2, py_2, 2, 4 + 8);
e76709d8
 
     LOADCHROMA(3);
89d94b21
     PUTRGB4DB(dst_2, py_2, 3, 6 + 8);
     PUTRGB4DB(dst_1, py_1, 3, 6);
3a2bed1f
 ENDYUV2RGBLINE(8, 0)
be3c29e3
     const uint8_t *d64  = ff_dither_8x8_73[yd & 7];
     const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
3a2bed1f
     LOADCHROMA(0);
     PUTRGB4DB(dst_1, py_1, 0, 0);
     PUTRGB4DB(dst_2, py_2, 0, 0 + 8);
 
     LOADCHROMA(1);
     PUTRGB4DB(dst_2, py_2, 1, 2 + 8);
     PUTRGB4DB(dst_1, py_1, 1, 2);
 ENDYUV2RGBLINE(8, 1)
be3c29e3
     const uint8_t *d64  = ff_dither_8x8_73[yd & 7];
     const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
3a2bed1f
     LOADCHROMA(0);
     PUTRGB4DB(dst_1, py_1, 0, 0);
     PUTRGB4DB(dst_2, py_2, 0, 0 + 8);
 ENDYUV2RGBFUNC()
e76709d8
 
9a10a076
 YUV2RGBFUNC(yuv2rgb_c_1_ordered_dither, uint8_t, 0)
be3c29e3
     const uint8_t *d128 = ff_dither_8x8_220[yd & 7];
89d94b21
     char out_1 = 0, out_2 = 0;
e99f1a8c
     g = c->table_gU[128 + YUVRGB_TABLE_HEADROOM] + c->table_gV[128 + YUVRGB_TABLE_HEADROOM];
e76709d8
 
89d94b21
 #define PUTRGB1(out, src, i, o)                     \
     Y    = src[2 * i];                              \
     out += out + g[Y + d128[0 + o]];                \
     Y    = src[2 * i + 1];                          \
     out += out + g[Y + d128[1 + o]];
e76709d8
 
89d94b21
     PUTRGB1(out_1, py_1, 0, 0);
     PUTRGB1(out_2, py_2, 0, 0 + 8);
e76709d8
 
89d94b21
     PUTRGB1(out_2, py_2, 1, 2 + 8);
     PUTRGB1(out_1, py_1, 1, 2);
e76709d8
 
89d94b21
     PUTRGB1(out_1, py_1, 2, 4);
     PUTRGB1(out_2, py_2, 2, 4 + 8);
e76709d8
 
89d94b21
     PUTRGB1(out_2, py_2, 3, 6 + 8);
     PUTRGB1(out_1, py_1, 3, 6);
e76709d8
 
89d94b21
     dst_1[0] = out_1;
     dst_2[0] = out_2;
e76709d8
 CLOSEYUV2RGBFUNC(1)
 
780daf2b
 SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
e76709d8
 {
     SwsFunc t = NULL;
 
67e6a9f5
     if (ARCH_PPC)
c2503d9c
         t = ff_yuv2rgb_init_ppc(c);
67e6a9f5
     if (ARCH_X86)
         t = ff_yuv2rgb_init_x86(c);
e76709d8
 
     if (t)
         return t;
 
89d94b21
     av_log(c, AV_LOG_WARNING,
            "No accelerated colorspace conversion found from %s to %s.\n",
e1197b9e
            av_get_pix_fmt_name(c->srcFormat), av_get_pix_fmt_name(c->dstFormat));
e76709d8
 
     switch (c->dstFormat) {
716d413c
     case AV_PIX_FMT_BGR48BE:
     case AV_PIX_FMT_BGR48LE:
89d94b21
         return yuv2rgb_c_bgr48;
716d413c
     case AV_PIX_FMT_RGB48BE:
     case AV_PIX_FMT_RGB48LE:
89d94b21
         return yuv2rgb_c_48;
716d413c
     case AV_PIX_FMT_ARGB:
     case AV_PIX_FMT_ABGR:
e99f1a8c
         if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat))
89d94b21
             return yuva2argb_c;
716d413c
     case AV_PIX_FMT_RGBA:
     case AV_PIX_FMT_BGRA:
e99f1a8c
         return (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) ? yuva2rgba_c : yuv2rgb_c_32;
716d413c
     case AV_PIX_FMT_RGB24:
89d94b21
         return yuv2rgb_c_24_rgb;
716d413c
     case AV_PIX_FMT_BGR24:
89d94b21
         return yuv2rgb_c_24_bgr;
716d413c
     case AV_PIX_FMT_RGB565:
     case AV_PIX_FMT_BGR565:
22a27953
         return yuv2rgb_c_16_ordered_dither;
716d413c
     case AV_PIX_FMT_RGB555:
     case AV_PIX_FMT_BGR555:
22a27953
         return yuv2rgb_c_15_ordered_dither;
716d413c
     case AV_PIX_FMT_RGB444:
     case AV_PIX_FMT_BGR444:
89d94b21
         return yuv2rgb_c_12_ordered_dither;
716d413c
     case AV_PIX_FMT_RGB8:
     case AV_PIX_FMT_BGR8:
89d94b21
         return yuv2rgb_c_8_ordered_dither;
716d413c
     case AV_PIX_FMT_RGB4:
     case AV_PIX_FMT_BGR4:
89d94b21
         return yuv2rgb_c_4_ordered_dither;
716d413c
     case AV_PIX_FMT_RGB4_BYTE:
     case AV_PIX_FMT_BGR4_BYTE:
89d94b21
         return yuv2rgb_c_4b_ordered_dither;
716d413c
     case AV_PIX_FMT_MONOBLACK:
89d94b21
         return yuv2rgb_c_1_ordered_dither;
e76709d8
     }
     return NULL;
 }
 
e99f1a8c
 static void fill_table(uint8_t* table[256 + 2*YUVRGB_TABLE_HEADROOM], const int elemsize,
a4947929
                        const int64_t inc, void *y_tab)
e76709d8
 {
     int i;
453d28af
     uint8_t *y_table = y_tab;
e76709d8
 
     y_table -= elemsize * (inc >> 9);
 
0644cabd
     for (i = 0; i < 256 + 2*YUVRGB_TABLE_HEADROOM; i++) {
b2042639
         int64_t cb = av_clip_uint8(i-YUVRGB_TABLE_HEADROOM)*inc;
e76709d8
         table[i] = y_table + elemsize * (cb >> 16);
     }
 }
 
cccb4575
 static void fill_gv_table(int table[256 + 2*YUVRGB_TABLE_HEADROOM], const int elemsize, const int64_t inc)
e76709d8
 {
     int i;
89d94b21
     int off    = -(inc >> 9);
e76709d8
 
0644cabd
     for (i = 0; i < 256 + 2*YUVRGB_TABLE_HEADROOM; i++) {
b2042639
         int64_t cb = av_clip_uint8(i-YUVRGB_TABLE_HEADROOM)*inc;
e76709d8
         table[i] = elemsize * (off + (cb >> 16));
     }
 }
 
0093ac5b
 static uint16_t roundToInt16(int64_t f)
 {
89d94b21
     int r = (f + (1 << 15)) >> 16;
 
     if (r < -0x7FFF)
         return 0x8000;
     else if (r > 0x7FFF)
         return 0x7FFF;
     else
         return r;
0093ac5b
 }
 
89d94b21
 av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4],
                                      int fullRange, int brightness,
                                      int contrast, int saturation)
e76709d8
 {
716d413c
     const int isRgb = c->dstFormat == AV_PIX_FMT_RGB32     ||
                       c->dstFormat == AV_PIX_FMT_RGB32_1   ||
                       c->dstFormat == AV_PIX_FMT_BGR24     ||
                       c->dstFormat == AV_PIX_FMT_RGB565BE  ||
                       c->dstFormat == AV_PIX_FMT_RGB565LE  ||
                       c->dstFormat == AV_PIX_FMT_RGB555BE  ||
                       c->dstFormat == AV_PIX_FMT_RGB555LE  ||
                       c->dstFormat == AV_PIX_FMT_RGB444BE  ||
                       c->dstFormat == AV_PIX_FMT_RGB444LE  ||
                       c->dstFormat == AV_PIX_FMT_RGB8      ||
                       c->dstFormat == AV_PIX_FMT_RGB4      ||
                       c->dstFormat == AV_PIX_FMT_RGB4_BYTE ||
                       c->dstFormat == AV_PIX_FMT_MONOBLACK;
     const int isNotNe = c->dstFormat == AV_PIX_FMT_NE(RGB565LE, RGB565BE) ||
                         c->dstFormat == AV_PIX_FMT_NE(RGB555LE, RGB555BE) ||
                         c->dstFormat == AV_PIX_FMT_NE(RGB444LE, RGB444BE) ||
                         c->dstFormat == AV_PIX_FMT_NE(BGR565LE, BGR565BE) ||
                         c->dstFormat == AV_PIX_FMT_NE(BGR555LE, BGR555BE) ||
                         c->dstFormat == AV_PIX_FMT_NE(BGR444LE, BGR444BE);
30b61475
     const int bpp = c->dstFormatBpp;
e76709d8
     uint8_t *y_table;
     uint16_t *y_table16;
     uint32_t *y_table32;
6ed000c8
     int i, base, rbase, gbase, bbase, av_uninit(abase), needAlpha;
5e5f82a2
     const int yoffs = (fullRange ? 384 : 326) + YUVRGB_TABLE_LUMA_HEADROOM;
     const int table_plane_size = 1024 + 2*YUVRGB_TABLE_LUMA_HEADROOM;
e76709d8
 
     int64_t crv =  inv_table[0];
     int64_t cbu =  inv_table[1];
     int64_t cgu = -inv_table[2];
     int64_t cgv = -inv_table[3];
89d94b21
     int64_t cy  = 1 << 16;
e76709d8
     int64_t oy  = 0;
89d94b21
     int64_t yb  = 0;
e76709d8
 
     if (!fullRange) {
89d94b21
         cy = (cy * 255) / 219;
         oy = 16 << 16;
e76709d8
     } else {
89d94b21
         crv = (crv * 224) / 255;
         cbu = (cbu * 224) / 255;
         cgu = (cgu * 224) / 255;
         cgv = (cgv * 224) / 255;
e76709d8
     }
 
89d94b21
     cy   = (cy  * contrast)              >> 16;
     crv  = (crv * contrast * saturation) >> 32;
     cbu  = (cbu * contrast * saturation) >> 32;
     cgu  = (cgu * contrast * saturation) >> 32;
     cgv  = (cgv * contrast * saturation) >> 32;
     oy  -= 256 * brightness;
 
     c->uOffset = 0x0400040004000400LL;
     c->vOffset = 0x0400040004000400LL;
1e7a37f0
     c->yCoeff  = roundToInt16(cy  * (1 << 13)) * 0x0001000100010001ULL;
     c->vrCoeff = roundToInt16(crv * (1 << 13)) * 0x0001000100010001ULL;
     c->ubCoeff = roundToInt16(cbu * (1 << 13)) * 0x0001000100010001ULL;
     c->vgCoeff = roundToInt16(cgv * (1 << 13)) * 0x0001000100010001ULL;
     c->ugCoeff = roundToInt16(cgu * (1 << 13)) * 0x0001000100010001ULL;
     c->yOffset = roundToInt16(oy  * (1 <<  3)) * 0x0001000100010001ULL;
89d94b21
 
f9987464
     c->yuv2rgb_y_coeff   = (int16_t)roundToInt16(cy  * (1 << 13));
     c->yuv2rgb_y_offset  = (int16_t)roundToInt16(oy  * (1 <<  9));
     c->yuv2rgb_v2r_coeff = (int16_t)roundToInt16(crv * (1 << 13));
     c->yuv2rgb_v2g_coeff = (int16_t)roundToInt16(cgv * (1 << 13));
     c->yuv2rgb_u2g_coeff = (int16_t)roundToInt16(cgu * (1 << 13));
     c->yuv2rgb_u2b_coeff = (int16_t)roundToInt16(cbu * (1 << 13));
0093ac5b
 
e76709d8
     //scale coefficients by cy
f9987464
     crv = ((crv * (1 << 16)) + 0x8000) / FFMAX(cy, 1);
     cbu = ((cbu * (1 << 16)) + 0x8000) / FFMAX(cy, 1);
     cgu = ((cgu * (1 << 16)) + 0x8000) / FFMAX(cy, 1);
     cgv = ((cgv * (1 << 16)) + 0x8000) / FFMAX(cy, 1);
e76709d8
 
46a723ec
     av_freep(&c->yuvTable);
e76709d8
 
1dd797e3
 #define ALLOC_YUV_TABLE(x)          \
         c->yuvTable = av_malloc(x); \
         if (!c->yuvTable)           \
             return AVERROR(ENOMEM);
e76709d8
     switch (bpp) {
     case 1:
5e5f82a2
         ALLOC_YUV_TABLE(table_plane_size);
89d94b21
         y_table     = c->yuvTable;
5e5f82a2
         yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
         for (i = 0; i < table_plane_size - 110; i++) {
89d94b21
             y_table[i + 110]  = av_clip_uint8((yb + 0x8000) >> 16) >> 7;
             yb               += cy;
e76709d8
         }
         fill_table(c->table_gU, 1, cgu, y_table + yoffs);
         fill_gv_table(c->table_gV, 1, cgv);
         break;
     case 4:
89d94b21
     case 4 | 128:
         rbase       = isRgb ? 3 : 0;
         gbase       = 1;
         bbase       = isRgb ? 0 : 3;
5e5f82a2
         ALLOC_YUV_TABLE(table_plane_size * 3);
89d94b21
         y_table     = c->yuvTable;
5e5f82a2
         yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
         for (i = 0; i < table_plane_size - 110; i++) {
89d94b21
             int yval                = av_clip_uint8((yb + 0x8000) >> 16);
             y_table[i + 110]        = (yval >> 7)        << rbase;
5e5f82a2
             y_table[i +  37 +   table_plane_size] = ((yval + 43) / 85) << gbase;
             y_table[i + 110 + 2*table_plane_size] = (yval >> 7)        << bbase;
e76709d8
             yb += cy;
         }
         fill_table(c->table_rV, 1, crv, y_table + yoffs);
5e5f82a2
         fill_table(c->table_gU, 1, cgu, y_table + yoffs +   table_plane_size);
         fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2*table_plane_size);
e76709d8
         fill_gv_table(c->table_gV, 1, cgv);
         break;
     case 8:
89d94b21
         rbase       = isRgb ? 5 : 0;
         gbase       = isRgb ? 2 : 3;
         bbase       = isRgb ? 0 : 6;
5e5f82a2
         ALLOC_YUV_TABLE(table_plane_size * 3);
89d94b21
         y_table     = c->yuvTable;
5e5f82a2
         yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
         for (i = 0; i < table_plane_size - 38; i++) {
89d94b21
             int yval               = av_clip_uint8((yb + 0x8000) >> 16);
             y_table[i + 16]        = ((yval + 18) / 36) << rbase;
5e5f82a2
             y_table[i + 16 +   table_plane_size] = ((yval + 18) / 36) << gbase;
             y_table[i + 37 + 2*table_plane_size] = ((yval + 43) / 85) << bbase;
e76709d8
             yb += cy;
         }
         fill_table(c->table_rV, 1, crv, y_table + yoffs);
5e5f82a2
         fill_table(c->table_gU, 1, cgu, y_table + yoffs +   table_plane_size);
         fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2*table_plane_size);
e76709d8
         fill_gv_table(c->table_gV, 1, cgv);
         break;
601949b8
     case 12:
89d94b21
         rbase       = isRgb ? 8 : 0;
         gbase       = 4;
         bbase       = isRgb ? 0 : 8;
5e5f82a2
         ALLOC_YUV_TABLE(table_plane_size * 3 * 2);
89d94b21
         y_table16   = c->yuvTable;
5e5f82a2
         yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
         for (i = 0; i < table_plane_size; i++) {
89d94b21
             uint8_t yval        = av_clip_uint8((yb + 0x8000) >> 16);
             y_table16[i]        = (yval >> 4) << rbase;
5e5f82a2
             y_table16[i +   table_plane_size] = (yval >> 4) << gbase;
             y_table16[i + 2*table_plane_size] = (yval >> 4) << bbase;
601949b8
             yb += cy;
         }
a4e44130
         if (isNotNe)
5e5f82a2
             for (i = 0; i < table_plane_size * 3; i++)
6a01eab7
                 y_table16[i] = av_bswap16(y_table16[i]);
601949b8
         fill_table(c->table_rV, 2, crv, y_table16 + yoffs);
5e5f82a2
         fill_table(c->table_gU, 2, cgu, y_table16 + yoffs +   table_plane_size);
         fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2*table_plane_size);
601949b8
         fill_gv_table(c->table_gV, 2, cgv);
         break;
e76709d8
     case 15:
     case 16:
89d94b21
         rbase       = isRgb ? bpp - 5 : 0;
         gbase       = 5;
         bbase       = isRgb ? 0 : (bpp - 5);
5e5f82a2
         ALLOC_YUV_TABLE(table_plane_size * 3 * 2);
89d94b21
         y_table16   = c->yuvTable;
5e5f82a2
         yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
         for (i = 0; i < table_plane_size; i++) {
89d94b21
             uint8_t yval        = av_clip_uint8((yb + 0x8000) >> 16);
             y_table16[i]        = (yval >> 3)          << rbase;
5e5f82a2
             y_table16[i +   table_plane_size] = (yval >> (18 - bpp)) << gbase;
             y_table16[i + 2*table_plane_size] = (yval >> 3)          << bbase;
e76709d8
             yb += cy;
         }
89d94b21
         if (isNotNe)
5e5f82a2
             for (i = 0; i < table_plane_size * 3; i++)
6a01eab7
                 y_table16[i] = av_bswap16(y_table16[i]);
e76709d8
         fill_table(c->table_rV, 2, crv, y_table16 + yoffs);
5e5f82a2
         fill_table(c->table_gU, 2, cgu, y_table16 + yoffs +   table_plane_size);
         fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2*table_plane_size);
e76709d8
         fill_gv_table(c->table_gV, 2, cgv);
         break;
     case 24:
68e7f482
     case 48:
5e5f82a2
         ALLOC_YUV_TABLE(table_plane_size);
89d94b21
         y_table     = c->yuvTable;
5e5f82a2
         yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
         for (i = 0; i < table_plane_size; i++) {
89d94b21
             y_table[i]  = av_clip_uint8((yb + 0x8000) >> 16);
             yb         += cy;
e76709d8
         }
         fill_table(c->table_rV, 1, crv, y_table + yoffs);
         fill_table(c->table_gU, 1, cgu, y_table + yoffs);
         fill_table(c->table_bU, 1, cbu, y_table + yoffs);
         fill_gv_table(c->table_gV, 1, cgv);
         break;
     case 32:
e1746d05
     case 64:
716d413c
         base      = (c->dstFormat == AV_PIX_FMT_RGB32_1 ||
                      c->dstFormat == AV_PIX_FMT_BGR32_1) ? 8 : 0;
89d94b21
         rbase     = base + (isRgb ? 16 : 0);
         gbase     = base + 8;
         bbase     = base + (isRgb ? 0 : 16);
3acd545f
         needAlpha = CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat);
         if (!needAlpha)
             abase = (base + 24) & 31;
5e5f82a2
         ALLOC_YUV_TABLE(table_plane_size * 3 * 4);
89d94b21
         y_table32   = c->yuvTable;
5e5f82a2
         yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy;
         for (i = 0; i < table_plane_size; i++) {
89d94b21
             unsigned yval       = av_clip_uint8((yb + 0x8000) >> 16);
             y_table32[i]        = (yval << rbase) +
                                   (needAlpha ? 0 : (255u << abase));
5e5f82a2
             y_table32[i +   table_plane_size] =  yval << gbase;
             y_table32[i + 2*table_plane_size] =  yval << bbase;
e76709d8
             yb += cy;
         }
         fill_table(c->table_rV, 4, crv, y_table32 + yoffs);
5e5f82a2
         fill_table(c->table_gU, 4, cgu, y_table32 + yoffs +   table_plane_size);
         fill_table(c->table_bU, 4, cbu, y_table32 + yoffs + 2*table_plane_size);
e76709d8
         fill_gv_table(c->table_gV, 4, cgv);
         break;
     default:
813784a8
         if(!isPlanar(c->dstFormat) || bpp <= 24)
6512405c
             av_log(c, AV_LOG_ERROR, "%ibpp not supported by yuv2rgb\n", bpp);
fe17f9b9
         return AVERROR(EINVAL);
e76709d8
     }
     return 0;
 }