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1030 lines
36 KiB
1030 lines
36 KiB
/* |
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* software YUV to RGB converter |
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* |
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* Copyright (C) 2009 Konstantin Shishkov |
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* |
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* 1,4,8bpp support and context / deglobalize stuff |
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* by Michael Niedermayer (michaelni@gmx.at) |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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|
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <inttypes.h> |
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#include "libavutil/bswap.h" |
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#include "config.h" |
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#include "rgb2rgb.h" |
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#include "swscale.h" |
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#include "swscale_internal.h" |
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#include "libavutil/pixdesc.h" |
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|
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/* Color space conversion coefficients for YCbCr -> RGB mapping. |
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* |
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* Entries are {crv, cbu, cgu, cgv} |
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* |
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* crv = (255 / 224) * 65536 * (1 - cr) / 0.5 |
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* cbu = (255 / 224) * 65536 * (1 - cb) / 0.5 |
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* cgu = (255 / 224) * 65536 * (cb / cg) * (1 - cb) / 0.5 |
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* cgv = (255 / 224) * 65536 * (cr / cg) * (1 - cr) / 0.5 |
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* |
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* where Y = cr * R + cg * G + cb * B and cr + cg + cb = 1. |
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*/ |
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const int32_t ff_yuv2rgb_coeffs[11][4] = { |
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{ 117489, 138438, 13975, 34925 }, /* no sequence_display_extension */ |
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{ 117489, 138438, 13975, 34925 }, /* ITU-R Rec. 709 (1990) */ |
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{ 104597, 132201, 25675, 53279 }, /* unspecified */ |
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{ 104597, 132201, 25675, 53279 }, /* reserved */ |
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{ 104448, 132798, 24759, 53109 }, /* FCC */ |
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{ 104597, 132201, 25675, 53279 }, /* ITU-R Rec. 624-4 System B, G */ |
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{ 104597, 132201, 25675, 53279 }, /* SMPTE 170M */ |
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{ 117579, 136230, 16907, 35559 }, /* SMPTE 240M (1987) */ |
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{ 0 }, /* YCgCo */ |
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{ 110013, 140363, 12277, 42626 }, /* Bt-2020-NCL */ |
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{ 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; |
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return ff_yuv2rgb_coeffs[colorspace]; |
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} |
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#define LOADCHROMA(i) \ |
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U = pu[i]; \ |
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V = pv[i]; \ |
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r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM]; \ |
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g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] + c->table_gV[V+YUVRGB_TABLE_HEADROOM]); \ |
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b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM]; |
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#define PUTRGB(dst, src, i) \ |
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Y = src[2 * i]; \ |
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dst[2 * i] = r[Y] + g[Y] + b[Y]; \ |
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Y = src[2 * i + 1]; \ |
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dst[2 * i + 1] = r[Y] + g[Y] + b[Y]; |
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#define PUTRGB24(dst, src, i) \ |
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Y = src[2 * i]; \ |
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dst[6 * i + 0] = r[Y]; \ |
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dst[6 * i + 1] = g[Y]; \ |
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dst[6 * i + 2] = b[Y]; \ |
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Y = src[2 * i + 1]; \ |
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dst[6 * i + 3] = r[Y]; \ |
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dst[6 * i + 4] = g[Y]; \ |
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dst[6 * i + 5] = b[Y]; |
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|
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#define PUTBGR24(dst, src, i) \ |
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Y = src[2 * i]; \ |
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dst[6 * i + 0] = b[Y]; \ |
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dst[6 * i + 1] = g[Y]; \ |
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dst[6 * i + 2] = r[Y]; \ |
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Y = src[2 * i + 1]; \ |
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dst[6 * i + 3] = b[Y]; \ |
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dst[6 * i + 4] = g[Y]; \ |
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dst[6 * i + 5] = r[Y]; |
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#define PUTRGBA(dst, ysrc, asrc, i, s) \ |
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Y = ysrc[2 * i]; \ |
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dst[2 * i] = r[Y] + g[Y] + b[Y] + (asrc[2 * i] << s); \ |
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Y = ysrc[2 * i + 1]; \ |
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dst[2 * i + 1] = r[Y] + g[Y] + b[Y] + (asrc[2 * i + 1] << s); |
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#define PUTRGB48(dst, src, i) \ |
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Y = src[ 2 * i]; \ |
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dst[12 * i + 0] = dst[12 * i + 1] = r[Y]; \ |
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dst[12 * i + 2] = dst[12 * i + 3] = g[Y]; \ |
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dst[12 * i + 4] = dst[12 * i + 5] = b[Y]; \ |
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Y = src[ 2 * i + 1]; \ |
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dst[12 * i + 6] = dst[12 * i + 7] = r[Y]; \ |
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dst[12 * i + 8] = dst[12 * i + 9] = g[Y]; \ |
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dst[12 * i + 10] = dst[12 * i + 11] = b[Y]; |
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#define PUTBGR48(dst, src, i) \ |
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Y = src[2 * i]; \ |
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dst[12 * i + 0] = dst[12 * i + 1] = b[Y]; \ |
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dst[12 * i + 2] = dst[12 * i + 3] = g[Y]; \ |
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dst[12 * i + 4] = dst[12 * i + 5] = r[Y]; \ |
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Y = src[2 * i + 1]; \ |
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dst[12 * i + 6] = dst[12 * i + 7] = b[Y]; \ |
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dst[12 * i + 8] = dst[12 * i + 9] = g[Y]; \ |
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dst[12 * i + 10] = dst[12 * i + 11] = r[Y]; |
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#define YUV2RGBFUNC(func_name, dst_type, alpha) \ |
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static int func_name(SwsContext *c, const uint8_t *src[], \ |
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int srcStride[], int srcSliceY, int srcSliceH, \ |
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uint8_t *dst[], int dstStride[]) \ |
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{ \ |
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int y; \ |
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\ |
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if (!alpha && c->srcFormat == AV_PIX_FMT_YUV422P) { \ |
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srcStride[1] *= 2; \ |
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srcStride[2] *= 2; \ |
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} \ |
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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; \ |
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const uint8_t *py_1 = src[0] + y * srcStride[0]; \ |
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const uint8_t *py_2 = py_1 + srcStride[0]; \ |
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const uint8_t av_unused *pu = src[1] + (y >> 1) * srcStride[1]; \ |
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const uint8_t av_unused *pv = src[2] + (y >> 1) * srcStride[2]; \ |
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const uint8_t av_unused *pa_1, *pa_2; \ |
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unsigned int h_size = c->dstW >> 3; \ |
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if (alpha) { \ |
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pa_1 = src[3] + y * srcStride[3]; \ |
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pa_2 = pa_1 + srcStride[3]; \ |
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} \ |
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while (h_size--) { \ |
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int av_unused U, V, Y; \ |
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#define ENDYUV2RGBLINE(dst_delta, ss) \ |
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pu += 4 >> ss; \ |
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pv += 4 >> ss; \ |
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py_1 += 8 >> ss; \ |
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py_2 += 8 >> ss; \ |
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dst_1 += dst_delta >> ss; \ |
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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; \ |
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#define ENDYUV2RGBFUNC() \ |
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} \ |
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} \ |
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return srcSliceH; \ |
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} |
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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) |
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LOADCHROMA(0); |
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PUTRGB48(dst_1, py_1, 0); |
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PUTRGB48(dst_2, py_2, 0); |
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LOADCHROMA(1); |
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PUTRGB48(dst_2, py_2, 1); |
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PUTRGB48(dst_1, py_1, 1); |
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LOADCHROMA(2); |
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PUTRGB48(dst_1, py_1, 2); |
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PUTRGB48(dst_2, py_2, 2); |
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LOADCHROMA(3); |
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PUTRGB48(dst_2, py_2, 3); |
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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); |
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PUTRGB48(dst_2, py_2, 0); |
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LOADCHROMA(1); |
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PUTRGB48(dst_2, py_2, 1); |
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PUTRGB48(dst_1, py_1, 1); |
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ENDYUV2RGBLINE(48, 1) |
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LOADCHROMA(0); |
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PUTRGB48(dst_1, py_1, 0); |
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PUTRGB48(dst_2, py_2, 0); |
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ENDYUV2RGBFUNC() |
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YUV2RGBFUNC(yuv2rgb_c_bgr48, uint8_t, 0) |
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LOADCHROMA(0); |
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PUTBGR48(dst_1, py_1, 0); |
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PUTBGR48(dst_2, py_2, 0); |
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LOADCHROMA(1); |
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PUTBGR48(dst_2, py_2, 1); |
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PUTBGR48(dst_1, py_1, 1); |
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LOADCHROMA(2); |
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PUTBGR48(dst_1, py_1, 2); |
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PUTBGR48(dst_2, py_2, 2); |
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LOADCHROMA(3); |
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PUTBGR48(dst_2, py_2, 3); |
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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); |
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PUTBGR48(dst_2, py_2, 0); |
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LOADCHROMA(1); |
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PUTBGR48(dst_2, py_2, 1); |
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PUTBGR48(dst_1, py_1, 1); |
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ENDYUV2RGBLINE(48, 1) |
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LOADCHROMA(0); |
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PUTBGR48(dst_1, py_1, 0); |
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PUTBGR48(dst_2, py_2, 0); |
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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); |
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PUTRGB(dst_2, py_2, 0); |
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LOADCHROMA(1); |
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PUTRGB(dst_2, py_2, 1); |
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PUTRGB(dst_1, py_1, 1); |
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LOADCHROMA(2); |
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PUTRGB(dst_1, py_1, 2); |
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PUTRGB(dst_2, py_2, 2); |
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LOADCHROMA(3); |
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PUTRGB(dst_2, py_2, 3); |
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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); |
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PUTRGB(dst_2, py_2, 0); |
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LOADCHROMA(1); |
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PUTRGB(dst_2, py_2, 1); |
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PUTRGB(dst_1, py_1, 1); |
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ENDYUV2RGBLINE(8, 1) |
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LOADCHROMA(0); |
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PUTRGB(dst_1, py_1, 0); |
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PUTRGB(dst_2, py_2, 0); |
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ENDYUV2RGBFUNC() |
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#if HAVE_BIGENDIAN |
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YUV2RGBFUNC(yuva2argb_c, uint32_t, 1) |
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#else |
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YUV2RGBFUNC(yuva2rgba_c, uint32_t, 1) |
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#endif |
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LOADCHROMA(0); |
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PUTRGBA(dst_1, py_1, pa_1, 0, 24); |
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PUTRGBA(dst_2, py_2, pa_2, 0, 24); |
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LOADCHROMA(1); |
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PUTRGBA(dst_2, py_2, pa_2, 1, 24); |
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PUTRGBA(dst_1, py_1, pa_1, 1, 24); |
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LOADCHROMA(2); |
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PUTRGBA(dst_1, py_1, pa_1, 2, 24); |
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PUTRGBA(dst_2, py_2, pa_2, 2, 24); |
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LOADCHROMA(3); |
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PUTRGBA(dst_2, py_2, pa_2, 3, 24); |
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PUTRGBA(dst_1, py_1, pa_1, 3, 24); |
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pa_1 += 8; |
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pa_2 += 8; |
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ENDYUV2RGBLINE(8, 0) |
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LOADCHROMA(0); |
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PUTRGBA(dst_1, py_1, pa_1, 0, 24); |
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PUTRGBA(dst_2, py_2, pa_2, 0, 24); |
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LOADCHROMA(1); |
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PUTRGBA(dst_2, py_2, pa_2, 1, 24); |
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PUTRGBA(dst_1, py_1, pa_1, 1, 24); |
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pa_1 += 4; |
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pa_2 += 4; |
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ENDYUV2RGBLINE(8, 1) |
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LOADCHROMA(0); |
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PUTRGBA(dst_1, py_1, pa_1, 0, 24); |
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PUTRGBA(dst_2, py_2, pa_2, 0, 24); |
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ENDYUV2RGBFUNC() |
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#if HAVE_BIGENDIAN |
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YUV2RGBFUNC(yuva2rgba_c, uint32_t, 1) |
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#else |
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YUV2RGBFUNC(yuva2argb_c, uint32_t, 1) |
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#endif |
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LOADCHROMA(0); |
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PUTRGBA(dst_1, py_1, pa_1, 0, 0); |
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PUTRGBA(dst_2, py_2, pa_2, 0, 0); |
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LOADCHROMA(1); |
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PUTRGBA(dst_2, py_2, pa_2, 1, 0); |
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PUTRGBA(dst_1, py_1, pa_1, 1, 0); |
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LOADCHROMA(2); |
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PUTRGBA(dst_1, py_1, pa_1, 2, 0); |
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PUTRGBA(dst_2, py_2, pa_2, 2, 0); |
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LOADCHROMA(3); |
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PUTRGBA(dst_2, py_2, pa_2, 3, 0); |
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PUTRGBA(dst_1, py_1, pa_1, 3, 0); |
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pa_1 += 8; |
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pa_2 += 8; |
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ENDYUV2RGBLINE(8, 0) |
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LOADCHROMA(0); |
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PUTRGBA(dst_1, py_1, pa_1, 0, 0); |
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PUTRGBA(dst_2, py_2, pa_2, 0, 0); |
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LOADCHROMA(1); |
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PUTRGBA(dst_2, py_2, pa_2, 1, 0); |
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PUTRGBA(dst_1, py_1, pa_1, 1, 0); |
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pa_1 += 4; |
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pa_2 += 4; |
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ENDYUV2RGBLINE(8, 1) |
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LOADCHROMA(0); |
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PUTRGBA(dst_1, py_1, pa_1, 0, 0); |
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PUTRGBA(dst_2, py_2, pa_2, 0, 0); |
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ENDYUV2RGBFUNC() |
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YUV2RGBFUNC(yuv2rgb_c_24_rgb, uint8_t, 0) |
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LOADCHROMA(0); |
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PUTRGB24(dst_1, py_1, 0); |
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PUTRGB24(dst_2, py_2, 0); |
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LOADCHROMA(1); |
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PUTRGB24(dst_2, py_2, 1); |
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PUTRGB24(dst_1, py_1, 1); |
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LOADCHROMA(2); |
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PUTRGB24(dst_1, py_1, 2); |
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PUTRGB24(dst_2, py_2, 2); |
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LOADCHROMA(3); |
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PUTRGB24(dst_2, py_2, 3); |
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PUTRGB24(dst_1, py_1, 3); |
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ENDYUV2RGBLINE(24, 0) |
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LOADCHROMA(0); |
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PUTRGB24(dst_1, py_1, 0); |
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PUTRGB24(dst_2, py_2, 0); |
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|
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LOADCHROMA(1); |
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PUTRGB24(dst_2, py_2, 1); |
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PUTRGB24(dst_1, py_1, 1); |
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ENDYUV2RGBLINE(24, 1) |
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LOADCHROMA(0); |
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PUTRGB24(dst_1, py_1, 0); |
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PUTRGB24(dst_2, py_2, 0); |
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ENDYUV2RGBFUNC() |
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|
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// only trivial mods from yuv2rgb_c_24_rgb |
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YUV2RGBFUNC(yuv2rgb_c_24_bgr, uint8_t, 0) |
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LOADCHROMA(0); |
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PUTBGR24(dst_1, py_1, 0); |
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PUTBGR24(dst_2, py_2, 0); |
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|
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LOADCHROMA(1); |
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PUTBGR24(dst_2, py_2, 1); |
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PUTBGR24(dst_1, py_1, 1); |
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|
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LOADCHROMA(2); |
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PUTBGR24(dst_1, py_1, 2); |
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PUTBGR24(dst_2, py_2, 2); |
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|
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LOADCHROMA(3); |
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PUTBGR24(dst_2, py_2, 3); |
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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); |
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PUTBGR24(dst_2, py_2, 0); |
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|
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LOADCHROMA(1); |
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PUTBGR24(dst_2, py_2, 1); |
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PUTBGR24(dst_1, py_1, 1); |
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ENDYUV2RGBLINE(24, 1) |
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LOADCHROMA(0); |
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PUTBGR24(dst_1, py_1, 0); |
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PUTBGR24(dst_2, py_2, 0); |
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ENDYUV2RGBFUNC() |
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YUV2RGBFUNC(yuv2rgb_c_16_ordered_dither, uint16_t, 0) |
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const uint8_t *d16 = ff_dither_2x2_8[y & 1]; |
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const uint8_t *e16 = ff_dither_2x2_4[y & 1]; |
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const uint8_t *f16 = ff_dither_2x2_8[(y & 1)^1]; |
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|
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#define PUTRGB16(dst, src, i, o) \ |
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Y = src[2 * i]; \ |
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dst[2 * i] = r[Y + d16[0 + o]] + \ |
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g[Y + e16[0 + o]] + \ |
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b[Y + f16[0 + o]]; \ |
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Y = src[2 * i + 1]; \ |
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dst[2 * i + 1] = r[Y + d16[1 + o]] + \ |
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g[Y + e16[1 + o]] + \ |
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b[Y + f16[1 + o]]; |
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LOADCHROMA(0); |
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PUTRGB16(dst_1, py_1, 0, 0); |
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PUTRGB16(dst_2, py_2, 0, 0 + 8); |
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|
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LOADCHROMA(1); |
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PUTRGB16(dst_2, py_2, 1, 2 + 8); |
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PUTRGB16(dst_1, py_1, 1, 2); |
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|
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LOADCHROMA(2); |
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PUTRGB16(dst_1, py_1, 2, 4); |
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PUTRGB16(dst_2, py_2, 2, 4 + 8); |
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|
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LOADCHROMA(3); |
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PUTRGB16(dst_2, py_2, 3, 6 + 8); |
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PUTRGB16(dst_1, py_1, 3, 6); |
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CLOSEYUV2RGBFUNC(8) |
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|
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YUV2RGBFUNC(yuv2rgb_c_15_ordered_dither, uint16_t, 0) |
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const uint8_t *d16 = ff_dither_2x2_8[y & 1]; |
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const uint8_t *e16 = ff_dither_2x2_8[(y & 1)^1]; |
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|
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#define PUTRGB15(dst, src, i, o) \ |
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Y = src[2 * i]; \ |
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dst[2 * i] = r[Y + d16[0 + o]] + \ |
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g[Y + d16[1 + o]] + \ |
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b[Y + e16[0 + o]]; \ |
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Y = src[2 * i + 1]; \ |
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dst[2 * i + 1] = r[Y + d16[1 + o]] + \ |
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g[Y + d16[0 + o]] + \ |
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b[Y + e16[1 + o]]; |
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LOADCHROMA(0); |
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PUTRGB15(dst_1, py_1, 0, 0); |
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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); |
|
CLOSEYUV2RGBFUNC(8) |
|
|
|
// r, g, b, dst_1, dst_2 |
|
YUV2RGBFUNC(yuv2rgb_c_12_ordered_dither, uint16_t, 0) |
|
const uint8_t *d16 = ff_dither_4x4_16[y & 3]; |
|
|
|
#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]]; |
|
|
|
LOADCHROMA(0); |
|
PUTRGB12(dst_1, py_1, 0, 0); |
|
PUTRGB12(dst_2, py_2, 0, 0 + 8); |
|
|
|
LOADCHROMA(1); |
|
PUTRGB12(dst_2, py_2, 1, 2 + 8); |
|
PUTRGB12(dst_1, py_1, 1, 2); |
|
|
|
LOADCHROMA(2); |
|
PUTRGB12(dst_1, py_1, 2, 4); |
|
PUTRGB12(dst_2, py_2, 2, 4 + 8); |
|
|
|
LOADCHROMA(3); |
|
PUTRGB12(dst_2, py_2, 3, 6 + 8); |
|
PUTRGB12(dst_1, py_1, 3, 6); |
|
CLOSEYUV2RGBFUNC(8) |
|
|
|
// r, g, b, dst_1, dst_2 |
|
YUV2RGBFUNC(yuv2rgb_c_8_ordered_dither, uint8_t, 0) |
|
const uint8_t *d32 = ff_dither_8x8_32[yd & 7]; |
|
const uint8_t *d64 = ff_dither_8x8_73[yd & 7]; |
|
|
|
#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]]; |
|
|
|
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); |
|
|
|
LOADCHROMA(2); |
|
PUTRGB8(dst_1, py_1, 2, 4); |
|
PUTRGB8(dst_2, py_2, 2, 4 + 8); |
|
|
|
LOADCHROMA(3); |
|
PUTRGB8(dst_2, py_2, 3, 6 + 8); |
|
PUTRGB8(dst_1, py_1, 3, 6); |
|
|
|
ENDYUV2RGBLINE(8, 0) |
|
const uint8_t *d32 = ff_dither_8x8_32[yd & 7]; |
|
const uint8_t *d64 = ff_dither_8x8_73[yd & 7]; |
|
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) |
|
const uint8_t *d32 = ff_dither_8x8_32[yd & 7]; |
|
const uint8_t *d64 = ff_dither_8x8_73[yd & 7]; |
|
LOADCHROMA(0); |
|
PUTRGB8(dst_1, py_1, 0, 0); |
|
PUTRGB8(dst_2, py_2, 0, 0 + 8); |
|
|
|
ENDYUV2RGBFUNC() |
|
|
|
|
|
YUV2RGBFUNC(yuv2rgb_c_4_ordered_dither, uint8_t, 0) |
|
const uint8_t * d64 = ff_dither_8x8_73[yd & 7]; |
|
const uint8_t *d128 = ff_dither_8x8_220[yd & 7]; |
|
int acc; |
|
|
|
#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; |
|
|
|
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); |
|
|
|
LOADCHROMA(2); |
|
PUTRGB4D(dst_1, py_1, 2, 4); |
|
PUTRGB4D(dst_2, py_2, 2, 4 + 8); |
|
|
|
LOADCHROMA(3); |
|
PUTRGB4D(dst_2, py_2, 3, 6 + 8); |
|
PUTRGB4D(dst_1, py_1, 3, 6); |
|
|
|
ENDYUV2RGBLINE(4, 0) |
|
const uint8_t * d64 = ff_dither_8x8_73[yd & 7]; |
|
const uint8_t *d128 = ff_dither_8x8_220[yd & 7]; |
|
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) |
|
const uint8_t * d64 = ff_dither_8x8_73[yd & 7]; |
|
const uint8_t *d128 = ff_dither_8x8_220[yd & 7]; |
|
int acc; |
|
LOADCHROMA(0); |
|
PUTRGB4D(dst_1, py_1, 0, 0); |
|
PUTRGB4D(dst_2, py_2, 0, 0 + 8); |
|
ENDYUV2RGBFUNC() |
|
|
|
YUV2RGBFUNC(yuv2rgb_c_4b_ordered_dither, uint8_t, 0) |
|
const uint8_t *d64 = ff_dither_8x8_73[yd & 7]; |
|
const uint8_t *d128 = ff_dither_8x8_220[yd & 7]; |
|
|
|
#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]]; |
|
|
|
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); |
|
|
|
LOADCHROMA(2); |
|
PUTRGB4DB(dst_1, py_1, 2, 4); |
|
PUTRGB4DB(dst_2, py_2, 2, 4 + 8); |
|
|
|
LOADCHROMA(3); |
|
PUTRGB4DB(dst_2, py_2, 3, 6 + 8); |
|
PUTRGB4DB(dst_1, py_1, 3, 6); |
|
ENDYUV2RGBLINE(8, 0) |
|
const uint8_t *d64 = ff_dither_8x8_73[yd & 7]; |
|
const uint8_t *d128 = ff_dither_8x8_220[yd & 7]; |
|
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) |
|
const uint8_t *d64 = ff_dither_8x8_73[yd & 7]; |
|
const uint8_t *d128 = ff_dither_8x8_220[yd & 7]; |
|
LOADCHROMA(0); |
|
PUTRGB4DB(dst_1, py_1, 0, 0); |
|
PUTRGB4DB(dst_2, py_2, 0, 0 + 8); |
|
ENDYUV2RGBFUNC() |
|
|
|
YUV2RGBFUNC(yuv2rgb_c_1_ordered_dither, uint8_t, 0) |
|
const uint8_t *d128 = ff_dither_8x8_220[yd & 7]; |
|
char out_1 = 0, out_2 = 0; |
|
g = c->table_gU[128 + YUVRGB_TABLE_HEADROOM] + c->table_gV[128 + YUVRGB_TABLE_HEADROOM]; |
|
|
|
#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]]; |
|
|
|
PUTRGB1(out_1, py_1, 0, 0); |
|
PUTRGB1(out_2, py_2, 0, 0 + 8); |
|
|
|
PUTRGB1(out_2, py_2, 1, 2 + 8); |
|
PUTRGB1(out_1, py_1, 1, 2); |
|
|
|
PUTRGB1(out_1, py_1, 2, 4); |
|
PUTRGB1(out_2, py_2, 2, 4 + 8); |
|
|
|
PUTRGB1(out_2, py_2, 3, 6 + 8); |
|
PUTRGB1(out_1, py_1, 3, 6); |
|
|
|
dst_1[0] = out_1; |
|
dst_2[0] = out_2; |
|
CLOSEYUV2RGBFUNC(1) |
|
|
|
SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c) |
|
{ |
|
SwsFunc t = NULL; |
|
|
|
#if ARCH_PPC |
|
t = ff_yuv2rgb_init_ppc(c); |
|
#elif ARCH_X86 |
|
t = ff_yuv2rgb_init_x86(c); |
|
#endif |
|
|
|
if (t) |
|
return t; |
|
|
|
av_log(c, AV_LOG_WARNING, |
|
"No accelerated colorspace conversion found from %s to %s.\n", |
|
av_get_pix_fmt_name(c->srcFormat), av_get_pix_fmt_name(c->dstFormat)); |
|
|
|
switch (c->dstFormat) { |
|
case AV_PIX_FMT_BGR48BE: |
|
case AV_PIX_FMT_BGR48LE: |
|
return yuv2rgb_c_bgr48; |
|
case AV_PIX_FMT_RGB48BE: |
|
case AV_PIX_FMT_RGB48LE: |
|
return yuv2rgb_c_48; |
|
case AV_PIX_FMT_ARGB: |
|
case AV_PIX_FMT_ABGR: |
|
if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) |
|
return yuva2argb_c; |
|
case AV_PIX_FMT_RGBA: |
|
case AV_PIX_FMT_BGRA: |
|
return (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) ? yuva2rgba_c : yuv2rgb_c_32; |
|
case AV_PIX_FMT_RGB24: |
|
return yuv2rgb_c_24_rgb; |
|
case AV_PIX_FMT_BGR24: |
|
return yuv2rgb_c_24_bgr; |
|
case AV_PIX_FMT_RGB565: |
|
case AV_PIX_FMT_BGR565: |
|
return yuv2rgb_c_16_ordered_dither; |
|
case AV_PIX_FMT_RGB555: |
|
case AV_PIX_FMT_BGR555: |
|
return yuv2rgb_c_15_ordered_dither; |
|
case AV_PIX_FMT_RGB444: |
|
case AV_PIX_FMT_BGR444: |
|
return yuv2rgb_c_12_ordered_dither; |
|
case AV_PIX_FMT_RGB8: |
|
case AV_PIX_FMT_BGR8: |
|
return yuv2rgb_c_8_ordered_dither; |
|
case AV_PIX_FMT_RGB4: |
|
case AV_PIX_FMT_BGR4: |
|
return yuv2rgb_c_4_ordered_dither; |
|
case AV_PIX_FMT_RGB4_BYTE: |
|
case AV_PIX_FMT_BGR4_BYTE: |
|
return yuv2rgb_c_4b_ordered_dither; |
|
case AV_PIX_FMT_MONOBLACK: |
|
return yuv2rgb_c_1_ordered_dither; |
|
} |
|
return NULL; |
|
} |
|
|
|
static void fill_table(uint8_t* table[256 + 2*YUVRGB_TABLE_HEADROOM], const int elemsize, |
|
const int64_t inc, void *y_tab) |
|
{ |
|
int i; |
|
uint8_t *y_table = y_tab; |
|
|
|
y_table -= elemsize * (inc >> 9); |
|
|
|
for (i = 0; i < 256 + 2*YUVRGB_TABLE_HEADROOM; i++) { |
|
int64_t cb = av_clip_uint8(i-YUVRGB_TABLE_HEADROOM)*inc; |
|
table[i] = y_table + elemsize * (cb >> 16); |
|
} |
|
} |
|
|
|
static void fill_gv_table(int table[256 + 2*YUVRGB_TABLE_HEADROOM], const int elemsize, const int64_t inc) |
|
{ |
|
int i; |
|
int off = -(inc >> 9); |
|
|
|
for (i = 0; i < 256 + 2*YUVRGB_TABLE_HEADROOM; i++) { |
|
int64_t cb = av_clip_uint8(i-YUVRGB_TABLE_HEADROOM)*inc; |
|
table[i] = elemsize * (off + (cb >> 16)); |
|
} |
|
} |
|
|
|
static uint16_t roundToInt16(int64_t f) |
|
{ |
|
int r = (f + (1 << 15)) >> 16; |
|
|
|
if (r < -0x7FFF) |
|
return 0x8000; |
|
else if (r > 0x7FFF) |
|
return 0x7FFF; |
|
else |
|
return r; |
|
} |
|
|
|
av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], |
|
int fullRange, int brightness, |
|
int contrast, int saturation) |
|
{ |
|
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_X2RGB10BE || |
|
c->dstFormat == AV_PIX_FMT_X2RGB10LE || |
|
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) || |
|
c->dstFormat == AV_PIX_FMT_NE(X2RGB10LE, X2RGB10BE) || |
|
c->dstFormat == AV_PIX_FMT_NE(X2BGR10LE, X2BGR10BE); |
|
const int bpp = c->dstFormatBpp; |
|
uint8_t *y_table; |
|
uint16_t *y_table16; |
|
uint32_t *y_table32; |
|
int i, base, rbase, gbase, bbase, av_uninit(abase), needAlpha; |
|
const int yoffs = (fullRange ? 384 : 326) + YUVRGB_TABLE_LUMA_HEADROOM; |
|
const int table_plane_size = 1024 + 2*YUVRGB_TABLE_LUMA_HEADROOM; |
|
|
|
int64_t crv = inv_table[0]; |
|
int64_t cbu = inv_table[1]; |
|
int64_t cgu = -inv_table[2]; |
|
int64_t cgv = -inv_table[3]; |
|
int64_t cy = 1 << 16; |
|
int64_t oy = 0; |
|
int64_t yb = 0; |
|
|
|
if (!fullRange) { |
|
cy = (cy * 255) / 219; |
|
oy = 16 << 16; |
|
} else { |
|
crv = (crv * 224) / 255; |
|
cbu = (cbu * 224) / 255; |
|
cgu = (cgu * 224) / 255; |
|
cgv = (cgv * 224) / 255; |
|
} |
|
|
|
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; |
|
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; |
|
|
|
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)); |
|
|
|
//scale coefficients by cy |
|
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); |
|
|
|
av_freep(&c->yuvTable); |
|
|
|
#define ALLOC_YUV_TABLE(x) \ |
|
c->yuvTable = av_malloc(x); \ |
|
if (!c->yuvTable) \ |
|
return AVERROR(ENOMEM); |
|
switch (bpp) { |
|
case 1: |
|
ALLOC_YUV_TABLE(table_plane_size); |
|
y_table = c->yuvTable; |
|
yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy; |
|
for (i = 0; i < table_plane_size - 110; i++) { |
|
y_table[i + 110] = av_clip_uint8((yb + 0x8000) >> 16) >> 7; |
|
yb += cy; |
|
} |
|
fill_table(c->table_gU, 1, cgu, y_table + yoffs); |
|
fill_gv_table(c->table_gV, 1, cgv); |
|
break; |
|
case 4: |
|
case 4 | 128: |
|
rbase = isRgb ? 3 : 0; |
|
gbase = 1; |
|
bbase = isRgb ? 0 : 3; |
|
ALLOC_YUV_TABLE(table_plane_size * 3); |
|
y_table = c->yuvTable; |
|
yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy; |
|
for (i = 0; i < table_plane_size - 110; i++) { |
|
int yval = av_clip_uint8((yb + 0x8000) >> 16); |
|
y_table[i + 110] = (yval >> 7) << rbase; |
|
y_table[i + 37 + table_plane_size] = ((yval + 43) / 85) << gbase; |
|
y_table[i + 110 + 2*table_plane_size] = (yval >> 7) << bbase; |
|
yb += cy; |
|
} |
|
fill_table(c->table_rV, 1, crv, y_table + yoffs); |
|
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); |
|
fill_gv_table(c->table_gV, 1, cgv); |
|
break; |
|
case 8: |
|
rbase = isRgb ? 5 : 0; |
|
gbase = isRgb ? 2 : 3; |
|
bbase = isRgb ? 0 : 6; |
|
ALLOC_YUV_TABLE(table_plane_size * 3); |
|
y_table = c->yuvTable; |
|
yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy; |
|
for (i = 0; i < table_plane_size - 38; i++) { |
|
int yval = av_clip_uint8((yb + 0x8000) >> 16); |
|
y_table[i + 16] = ((yval + 18) / 36) << rbase; |
|
y_table[i + 16 + table_plane_size] = ((yval + 18) / 36) << gbase; |
|
y_table[i + 37 + 2*table_plane_size] = ((yval + 43) / 85) << bbase; |
|
yb += cy; |
|
} |
|
fill_table(c->table_rV, 1, crv, y_table + yoffs); |
|
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); |
|
fill_gv_table(c->table_gV, 1, cgv); |
|
break; |
|
case 12: |
|
rbase = isRgb ? 8 : 0; |
|
gbase = 4; |
|
bbase = isRgb ? 0 : 8; |
|
ALLOC_YUV_TABLE(table_plane_size * 3 * 2); |
|
y_table16 = c->yuvTable; |
|
yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy; |
|
for (i = 0; i < table_plane_size; i++) { |
|
uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16); |
|
y_table16[i] = (yval >> 4) << rbase; |
|
y_table16[i + table_plane_size] = (yval >> 4) << gbase; |
|
y_table16[i + 2*table_plane_size] = (yval >> 4) << bbase; |
|
yb += cy; |
|
} |
|
if (isNotNe) |
|
for (i = 0; i < table_plane_size * 3; i++) |
|
y_table16[i] = av_bswap16(y_table16[i]); |
|
fill_table(c->table_rV, 2, crv, y_table16 + yoffs); |
|
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); |
|
fill_gv_table(c->table_gV, 2, cgv); |
|
break; |
|
case 15: |
|
case 16: |
|
rbase = isRgb ? bpp - 5 : 0; |
|
gbase = 5; |
|
bbase = isRgb ? 0 : (bpp - 5); |
|
ALLOC_YUV_TABLE(table_plane_size * 3 * 2); |
|
y_table16 = c->yuvTable; |
|
yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy; |
|
for (i = 0; i < table_plane_size; i++) { |
|
uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16); |
|
y_table16[i] = (yval >> 3) << rbase; |
|
y_table16[i + table_plane_size] = (yval >> (18 - bpp)) << gbase; |
|
y_table16[i + 2*table_plane_size] = (yval >> 3) << bbase; |
|
yb += cy; |
|
} |
|
if (isNotNe) |
|
for (i = 0; i < table_plane_size * 3; i++) |
|
y_table16[i] = av_bswap16(y_table16[i]); |
|
fill_table(c->table_rV, 2, crv, y_table16 + yoffs); |
|
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); |
|
fill_gv_table(c->table_gV, 2, cgv); |
|
break; |
|
case 24: |
|
case 48: |
|
ALLOC_YUV_TABLE(table_plane_size); |
|
y_table = c->yuvTable; |
|
yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy; |
|
for (i = 0; i < table_plane_size; i++) { |
|
y_table[i] = av_clip_uint8((yb + 0x8000) >> 16); |
|
yb += cy; |
|
} |
|
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 30: |
|
rbase = isRgb ? 20 : 0; |
|
gbase = 10; |
|
bbase = isRgb ? 0 : 20; |
|
needAlpha = CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat); |
|
if (!needAlpha) |
|
abase = 30; |
|
ALLOC_YUV_TABLE(table_plane_size * 3 * 4); |
|
y_table32 = c->yuvTable; |
|
yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy; |
|
for (i = 0; i < table_plane_size; i++) { |
|
unsigned yval = av_clip_uintp2((yb + 0x8000) >> 14, 10); |
|
y_table32[i]= (yval << rbase) + (needAlpha ? 0 : (255u << abase)); |
|
y_table32[i + table_plane_size] = yval << gbase; |
|
y_table32[i + 2 * table_plane_size] = yval << bbase; |
|
yb += cy; |
|
} |
|
if (isNotNe) { |
|
for (i = 0; i < table_plane_size * 3; i++) |
|
y_table32[i] = av_bswap32(y_table32[i]); |
|
} |
|
fill_table(c->table_rV, 4, crv, y_table32 + yoffs); |
|
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); |
|
fill_gv_table(c->table_gV, 4, cgv); |
|
break; |
|
case 32: |
|
case 64: |
|
base = (c->dstFormat == AV_PIX_FMT_RGB32_1 || |
|
c->dstFormat == AV_PIX_FMT_BGR32_1) ? 8 : 0; |
|
rbase = base + (isRgb ? 16 : 0); |
|
gbase = base + 8; |
|
bbase = base + (isRgb ? 0 : 16); |
|
needAlpha = CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat); |
|
if (!needAlpha) |
|
abase = (base + 24) & 31; |
|
ALLOC_YUV_TABLE(table_plane_size * 3 * 4); |
|
y_table32 = c->yuvTable; |
|
yb = -(384 << 16) - YUVRGB_TABLE_LUMA_HEADROOM*cy - oy; |
|
for (i = 0; i < table_plane_size; i++) { |
|
unsigned yval = av_clip_uint8((yb + 0x8000) >> 16); |
|
y_table32[i] = (yval << rbase) + |
|
(needAlpha ? 0 : (255u << abase)); |
|
y_table32[i + table_plane_size] = yval << gbase; |
|
y_table32[i + 2*table_plane_size] = yval << bbase; |
|
yb += cy; |
|
} |
|
fill_table(c->table_rV, 4, crv, y_table32 + yoffs); |
|
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); |
|
fill_gv_table(c->table_gV, 4, cgv); |
|
break; |
|
default: |
|
if(!isPlanar(c->dstFormat) || bpp <= 24) |
|
av_log(c, AV_LOG_ERROR, "%ibpp not supported by yuv2rgb\n", bpp); |
|
return AVERROR(EINVAL); |
|
} |
|
return 0; |
|
}
|
|
|