| /* |
| * 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> |
| |
| #include "libavutil/cpu.h" |
| #include "libavutil/bswap.h" |
| #include "config.h" |
| #include "rgb2rgb.h" |
| #include "swscale.h" |
| #include "swscale_internal.h" |
| #include "libavutil/pixdesc.h" |
| |
| const int32_t ff_yuv2rgb_coeffs[8][4] = { |
| { 117504, 138453, 13954, 34903 }, /* no sequence_display_extension */ |
| { 117504, 138453, 13954, 34903 }, /* ITU-R Rec. 709 (1990) */ |
| { 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 */ |
| { 117579, 136230, 16907, 35559 } /* SMPTE 240M (1987) */ |
| }; |
| |
| const int *sws_getCoefficients(int colorspace) |
| { |
| if (colorspace > 7 || colorspace < 0) |
| colorspace = SWS_CS_DEFAULT; |
| return ff_yuv2rgb_coeffs[colorspace]; |
| } |
| |
| #define LOADCHROMA(i) \ |
| U = pu[i]; \ |
| V = pv[i]; \ |
| 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]; |
| |
| #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; \ |
| \ |
| if (!alpha && c->srcFormat == AV_PIX_FMT_YUV422P) { \ |
| srcStride[1] *= 2; \ |
| srcStride[2] *= 2; \ |
| } \ |
| for (y = 0; y < srcSliceH; y += 2) { \ |
| dst_type *dst_1 = \ |
| (dst_type *)(dst[0] + (y + srcSliceY) * dstStride[0]); \ |
| dst_type *dst_2 = \ |
| (dst_type *)(dst[0] + (y + srcSliceY + 1) * dstStride[0]); \ |
| 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; \ |
| |
| #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; \ |
| } \ |
| if (c->dstW & (4 >> ss)) { \ |
| int av_unused Y, U, V; \ |
| |
| #define ENDYUV2RGBFUNC() \ |
| } \ |
| } \ |
| return srcSliceH; \ |
| } |
| |
| #define CLOSEYUV2RGBFUNC(dst_delta) \ |
| ENDYUV2RGBLINE(dst_delta, 0) \ |
| ENDYUV2RGBFUNC() |
| |
| YUV2RGBFUNC(yuv2rgb_c_48, uint8_t, 0) |
| LOADCHROMA(0); |
| PUTRGB48(dst_1, py_1, 0); |
| PUTRGB48(dst_2, py_2, 0); |
| |
| LOADCHROMA(1); |
| PUTRGB48(dst_2, py_2, 1); |
| PUTRGB48(dst_1, py_1, 1); |
| |
| LOADCHROMA(2); |
| PUTRGB48(dst_1, py_1, 2); |
| PUTRGB48(dst_2, py_2, 2); |
| |
| LOADCHROMA(3); |
| PUTRGB48(dst_2, py_2, 3); |
| PUTRGB48(dst_1, py_1, 3); |
| ENDYUV2RGBLINE(48, 0) |
| LOADCHROMA(0); |
| PUTRGB48(dst_1, py_1, 0); |
| PUTRGB48(dst_2, py_2, 0); |
| |
| LOADCHROMA(1); |
| PUTRGB48(dst_2, py_2, 1); |
| PUTRGB48(dst_1, py_1, 1); |
| ENDYUV2RGBLINE(48, 1) |
| LOADCHROMA(0); |
| PUTRGB48(dst_1, py_1, 0); |
| PUTRGB48(dst_2, py_2, 0); |
| ENDYUV2RGBFUNC() |
| |
| YUV2RGBFUNC(yuv2rgb_c_bgr48, uint8_t, 0) |
| LOADCHROMA(0); |
| PUTBGR48(dst_1, py_1, 0); |
| PUTBGR48(dst_2, py_2, 0); |
| |
| LOADCHROMA(1); |
| PUTBGR48(dst_2, py_2, 1); |
| PUTBGR48(dst_1, py_1, 1); |
| |
| LOADCHROMA(2); |
| PUTBGR48(dst_1, py_1, 2); |
| PUTBGR48(dst_2, py_2, 2); |
| |
| LOADCHROMA(3); |
| PUTBGR48(dst_2, py_2, 3); |
| PUTBGR48(dst_1, py_1, 3); |
| ENDYUV2RGBLINE(48, 0) |
| LOADCHROMA(0); |
| PUTBGR48(dst_1, py_1, 0); |
| PUTBGR48(dst_2, py_2, 0); |
| |
| LOADCHROMA(1); |
| PUTBGR48(dst_2, py_2, 1); |
| PUTBGR48(dst_1, py_1, 1); |
| ENDYUV2RGBLINE(48, 1) |
| LOADCHROMA(0); |
| PUTBGR48(dst_1, py_1, 0); |
| PUTBGR48(dst_2, py_2, 0); |
| ENDYUV2RGBFUNC() |
| |
| YUV2RGBFUNC(yuv2rgb_c_32, uint32_t, 0) |
| LOADCHROMA(0); |
| PUTRGB(dst_1, py_1, 0); |
| PUTRGB(dst_2, py_2, 0); |
| |
| LOADCHROMA(1); |
| PUTRGB(dst_2, py_2, 1); |
| PUTRGB(dst_1, py_1, 1); |
| |
| LOADCHROMA(2); |
| PUTRGB(dst_1, py_1, 2); |
| PUTRGB(dst_2, py_2, 2); |
| |
| LOADCHROMA(3); |
| PUTRGB(dst_2, py_2, 3); |
| PUTRGB(dst_1, py_1, 3); |
| ENDYUV2RGBLINE(8, 0) |
| LOADCHROMA(0); |
| PUTRGB(dst_1, py_1, 0); |
| PUTRGB(dst_2, py_2, 0); |
| |
| LOADCHROMA(1); |
| PUTRGB(dst_2, py_2, 1); |
| PUTRGB(dst_1, py_1, 1); |
| ENDYUV2RGBLINE(8, 1) |
| LOADCHROMA(0); |
| PUTRGB(dst_1, py_1, 0); |
| PUTRGB(dst_2, py_2, 0); |
| ENDYUV2RGBFUNC() |
| |
| YUV2RGBFUNC(yuva2rgba_c, uint32_t, 1) |
| LOADCHROMA(0); |
| PUTRGBA(dst_1, py_1, pa_1, 0, 24); |
| PUTRGBA(dst_2, py_2, pa_2, 0, 24); |
| |
| LOADCHROMA(1); |
| PUTRGBA(dst_2, py_2, pa_2, 1, 24); |
| PUTRGBA(dst_1, py_1, pa_1, 1, 24); |
| |
| LOADCHROMA(2); |
| PUTRGBA(dst_1, py_1, pa_1, 2, 24); |
| PUTRGBA(dst_2, py_2, pa_2, 2, 24); |
| |
| LOADCHROMA(3); |
| PUTRGBA(dst_2, py_2, pa_2, 3, 24); |
| PUTRGBA(dst_1, py_1, pa_1, 3, 24); |
| pa_1 += 8; |
| pa_2 += 8; |
| ENDYUV2RGBLINE(8, 0) |
| LOADCHROMA(0); |
| PUTRGBA(dst_1, py_1, pa_1, 0, 24); |
| PUTRGBA(dst_2, py_2, pa_2, 0, 24); |
| |
| LOADCHROMA(1); |
| PUTRGBA(dst_2, py_2, pa_2, 1, 24); |
| PUTRGBA(dst_1, py_1, pa_1, 1, 24); |
| pa_1 += 4; |
| pa_2 += 4; |
| ENDYUV2RGBLINE(8, 1) |
| LOADCHROMA(0); |
| PUTRGBA(dst_1, py_1, pa_1, 0, 24); |
| PUTRGBA(dst_2, py_2, pa_2, 0, 24); |
| ENDYUV2RGBFUNC() |
| |
| YUV2RGBFUNC(yuva2argb_c, uint32_t, 1) |
| LOADCHROMA(0); |
| PUTRGBA(dst_1, py_1, pa_1, 0, 0); |
| PUTRGBA(dst_2, py_2, pa_2, 0, 0); |
| |
| LOADCHROMA(1); |
| PUTRGBA(dst_2, py_2, pa_2, 1, 0); |
| PUTRGBA(dst_1, py_1, pa_1, 1, 0); |
| |
| LOADCHROMA(2); |
| PUTRGBA(dst_1, py_1, pa_1, 2, 0); |
| PUTRGBA(dst_2, py_2, pa_2, 2, 0); |
| |
| LOADCHROMA(3); |
| PUTRGBA(dst_2, py_2, pa_2, 3, 0); |
| PUTRGBA(dst_1, py_1, pa_1, 3, 0); |
| pa_1 += 8; |
| pa_2 += 8; |
| ENDYUV2RGBLINE(8, 0) |
| LOADCHROMA(0); |
| PUTRGBA(dst_1, py_1, pa_1, 0, 0); |
| PUTRGBA(dst_2, py_2, pa_2, 0, 0); |
| |
| LOADCHROMA(1); |
| PUTRGBA(dst_2, py_2, pa_2, 1, 0); |
| PUTRGBA(dst_1, py_1, pa_1, 1, 0); |
| pa_1 += 4; |
| pa_2 += 4; |
| ENDYUV2RGBLINE(8, 1) |
| LOADCHROMA(0); |
| PUTRGBA(dst_1, py_1, pa_1, 0, 0); |
| PUTRGBA(dst_2, py_2, pa_2, 0, 0); |
| ENDYUV2RGBFUNC() |
| |
| YUV2RGBFUNC(yuv2rgb_c_24_rgb, uint8_t, 0) |
| LOADCHROMA(0); |
| PUTRGB24(dst_1, py_1, 0); |
| PUTRGB24(dst_2, py_2, 0); |
| |
| LOADCHROMA(1); |
| PUTRGB24(dst_2, py_2, 1); |
| PUTRGB24(dst_1, py_1, 1); |
| |
| LOADCHROMA(2); |
| PUTRGB24(dst_1, py_1, 2); |
| PUTRGB24(dst_2, py_2, 2); |
| |
| LOADCHROMA(3); |
| PUTRGB24(dst_2, py_2, 3); |
| PUTRGB24(dst_1, py_1, 3); |
| ENDYUV2RGBLINE(24, 0) |
| LOADCHROMA(0); |
| PUTRGB24(dst_1, py_1, 0); |
| PUTRGB24(dst_2, py_2, 0); |
| |
| LOADCHROMA(1); |
| PUTRGB24(dst_2, py_2, 1); |
| PUTRGB24(dst_1, py_1, 1); |
| ENDYUV2RGBLINE(24, 1) |
| LOADCHROMA(0); |
| PUTRGB24(dst_1, py_1, 0); |
| PUTRGB24(dst_2, py_2, 0); |
| ENDYUV2RGBFUNC() |
| |
| // only trivial mods from yuv2rgb_c_24_rgb |
| YUV2RGBFUNC(yuv2rgb_c_24_bgr, uint8_t, 0) |
| LOADCHROMA(0); |
| PUTBGR24(dst_1, py_1, 0); |
| PUTBGR24(dst_2, py_2, 0); |
| |
| LOADCHROMA(1); |
| PUTBGR24(dst_2, py_2, 1); |
| PUTBGR24(dst_1, py_1, 1); |
| |
| LOADCHROMA(2); |
| PUTBGR24(dst_1, py_1, 2); |
| PUTBGR24(dst_2, py_2, 2); |
| |
| LOADCHROMA(3); |
| PUTBGR24(dst_2, py_2, 3); |
| PUTBGR24(dst_1, py_1, 3); |
| ENDYUV2RGBLINE(24, 0) |
| LOADCHROMA(0); |
| PUTBGR24(dst_1, py_1, 0); |
| PUTBGR24(dst_2, py_2, 0); |
| |
| LOADCHROMA(1); |
| PUTBGR24(dst_2, py_2, 1); |
| PUTBGR24(dst_1, py_1, 1); |
| ENDYUV2RGBLINE(24, 1) |
| LOADCHROMA(0); |
| PUTBGR24(dst_1, py_1, 0); |
| PUTBGR24(dst_2, py_2, 0); |
| ENDYUV2RGBFUNC() |
| |
| YUV2RGBFUNC(yuv2rgb_c_16_ordered_dither, uint16_t, 0) |
| 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]; |
| |
| #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]]; |
| LOADCHROMA(0); |
| PUTRGB16(dst_1, py_1, 0, 0); |
| PUTRGB16(dst_2, py_2, 0, 0 + 8); |
| |
| LOADCHROMA(1); |
| PUTRGB16(dst_2, py_2, 1, 2 + 8); |
| PUTRGB16(dst_1, py_1, 1, 2); |
| |
| LOADCHROMA(2); |
| PUTRGB16(dst_1, py_1, 2, 4); |
| PUTRGB16(dst_2, py_2, 2, 4 + 8); |
| |
| LOADCHROMA(3); |
| 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) |
| const uint8_t *d16 = ff_dither_2x2_8[y & 1]; |
| const uint8_t *e16 = ff_dither_2x2_8[(y & 1)^1]; |
| |
| #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); |
| 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[y & 7]; |
| const uint8_t *d64 = ff_dither_8x8_73[y & 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[y & 7]; |
| const uint8_t *d64 = ff_dither_8x8_73[y & 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[y & 7]; |
| const uint8_t *d64 = ff_dither_8x8_73[y & 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[y & 7]; |
| const uint8_t *d128 = ff_dither_8x8_220[y & 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[y & 7]; |
| const uint8_t *d128 = ff_dither_8x8_220[y & 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[y & 7]; |
| const uint8_t *d128 = ff_dither_8x8_220[y & 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[y & 7]; |
| const uint8_t *d128 = ff_dither_8x8_220[y & 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[y & 7]; |
| const uint8_t *d128 = ff_dither_8x8_220[y & 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[y & 7]; |
| const uint8_t *d128 = ff_dither_8x8_220[y & 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[y & 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); |
| if (ARCH_X86) |
| t = ff_yuv2rgb_init_x86(c); |
| |
| 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_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); |
| 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; |
| |
| 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 * 8192) * 0x0001000100010001ULL; |
| c->vrCoeff = roundToInt16(crv * 8192) * 0x0001000100010001ULL; |
| c->ubCoeff = roundToInt16(cbu * 8192) * 0x0001000100010001ULL; |
| c->vgCoeff = roundToInt16(cgv * 8192) * 0x0001000100010001ULL; |
| c->ugCoeff = roundToInt16(cgu * 8192) * 0x0001000100010001ULL; |
| c->yOffset = roundToInt16(oy * 8) * 0x0001000100010001ULL; |
| |
| c->yuv2rgb_y_coeff = (int16_t)roundToInt16(cy << 13); |
| c->yuv2rgb_y_offset = (int16_t)roundToInt16(oy << 9); |
| c->yuv2rgb_v2r_coeff = (int16_t)roundToInt16(crv << 13); |
| c->yuv2rgb_v2g_coeff = (int16_t)roundToInt16(cgv << 13); |
| c->yuv2rgb_u2g_coeff = (int16_t)roundToInt16(cgu << 13); |
| c->yuv2rgb_u2b_coeff = (int16_t)roundToInt16(cbu << 13); |
| |
| //scale coefficients by cy |
| crv = ((crv << 16) + 0x8000) / FFMAX(cy, 1); |
| cbu = ((cbu << 16) + 0x8000) / FFMAX(cy, 1); |
| cgu = ((cgu << 16) + 0x8000) / FFMAX(cy, 1); |
| cgv = ((cgv << 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(1024); |
| y_table = c->yuvTable; |
| yb = -(384 << 16) - oy; |
| for (i = 0; i < 1024 - 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(1024 * 3); |
| y_table = c->yuvTable; |
| yb = -(384 << 16) - oy; |
| for (i = 0; i < 1024 - 110; i++) { |
| int yval = av_clip_uint8((yb + 0x8000) >> 16); |
| y_table[i + 110] = (yval >> 7) << rbase; |
| y_table[i + 37 + 1024] = ((yval + 43) / 85) << gbase; |
| y_table[i + 110 + 2048] = (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 + 1024); |
| fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2048); |
| 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(1024 * 3); |
| y_table = c->yuvTable; |
| yb = -(384 << 16) - oy; |
| for (i = 0; i < 1024 - 38; i++) { |
| int yval = av_clip_uint8((yb + 0x8000) >> 16); |
| y_table[i + 16] = ((yval + 18) / 36) << rbase; |
| y_table[i + 16 + 1024] = ((yval + 18) / 36) << gbase; |
| y_table[i + 37 + 2048] = ((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 + 1024); |
| fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2048); |
| fill_gv_table(c->table_gV, 1, cgv); |
| break; |
| case 12: |
| rbase = isRgb ? 8 : 0; |
| gbase = 4; |
| bbase = isRgb ? 0 : 8; |
| ALLOC_YUV_TABLE(1024 * 3 * 2); |
| y_table16 = c->yuvTable; |
| yb = -(384 << 16) - oy; |
| for (i = 0; i < 1024; i++) { |
| uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16); |
| y_table16[i] = (yval >> 4) << rbase; |
| y_table16[i + 1024] = (yval >> 4) << gbase; |
| y_table16[i + 2048] = (yval >> 4) << bbase; |
| yb += cy; |
| } |
| if (isNotNe) |
| for (i = 0; i < 1024 * 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 + 1024); |
| fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2048); |
| 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(1024 * 3 * 2); |
| y_table16 = c->yuvTable; |
| yb = -(384 << 16) - oy; |
| for (i = 0; i < 1024; i++) { |
| uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16); |
| y_table16[i] = (yval >> 3) << rbase; |
| y_table16[i + 1024] = (yval >> (18 - bpp)) << gbase; |
| y_table16[i + 2048] = (yval >> 3) << bbase; |
| yb += cy; |
| } |
| if (isNotNe) |
| for (i = 0; i < 1024 * 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 + 1024); |
| fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2048); |
| fill_gv_table(c->table_gV, 2, cgv); |
| break; |
| case 24: |
| case 48: |
| ALLOC_YUV_TABLE(1024); |
| y_table = c->yuvTable; |
| yb = -(384 << 16) - oy; |
| for (i = 0; i < 1024; 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 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(1024 * 3 * 4); |
| y_table32 = c->yuvTable; |
| yb = -(384 << 16) - oy; |
| for (i = 0; i < 1024; i++) { |
| unsigned yval = av_clip_uint8((yb + 0x8000) >> 16); |
| y_table32[i] = (yval << rbase) + |
| (needAlpha ? 0 : (255u << abase)); |
| y_table32[i + 1024] = yval << gbase; |
| y_table32[i + 2048] = yval << bbase; |
| yb += cy; |
| } |
| fill_table(c->table_rV, 4, crv, y_table32 + yoffs); |
| fill_table(c->table_gU, 4, cgu, y_table32 + yoffs + 1024); |
| fill_table(c->table_bU, 4, cbu, y_table32 + yoffs + 2048); |
| 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 -1; |
| } |
| return 0; |
| } |
