/* * Copyright (C) 2001-2003 Michael Niedermayer * * 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 */ /* supported Input formats: YV12, I420/IYUV, YUY2, UYVY, BGR32, BGR32_1, BGR24, BGR16, BGR15, RGB32, RGB32_1, RGB24, Y8/Y800, YVU9/IF09, PAL8 supported output formats: YV12, I420/IYUV, YUY2, UYVY, {BGR,RGB}{1,4,8,15,16,24,32}, Y8/Y800, YVU9/IF09 {BGR,RGB}{1,4,8,15,16} support dithering unscaled special converters (YV12=I420=IYUV, Y800=Y8) YV12 -> {BGR,RGB}{1,4,8,12,15,16,24,32} x -> x YUV9 -> YV12 YUV9/YV12 -> Y800 Y800 -> YUV9/YV12 BGR24 -> BGR32 & RGB24 -> RGB32 BGR32 -> BGR24 & RGB32 -> RGB24 BGR15 -> BGR16 */ /* tested special converters (most are tested actually, but I did not write it down ...) YV12 -> BGR12/BGR16 YV12 -> YV12 BGR15 -> BGR16 BGR16 -> BGR16 YVU9 -> YV12 untested special converters YV12/I420 -> BGR15/BGR24/BGR32 (it is the yuv2rgb stuff, so it should be OK) YV12/I420 -> YV12/I420 YUY2/BGR15/BGR24/BGR32/RGB24/RGB32 -> same format BGR24 -> BGR32 & RGB24 -> RGB32 BGR32 -> BGR24 & RGB32 -> RGB24 BGR24 -> YV12 */ #include #include #include #include #include "config.h" #include #include "swscale.h" #include "swscale_internal.h" #include "rgb2rgb.h" #include "libavutil/avassert.h" #include "libavutil/intreadwrite.h" #include "libavutil/cpu.h" #include "libavutil/avutil.h" #include "libavutil/mathematics.h" #include "libavutil/bswap.h" #include "libavutil/pixdesc.h" #define RGB2YUV_SHIFT 15 #define BY ( (int)(0.114*219/255*(1<BGR scaler */ DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_4)[2][8]={ { 1, 3, 1, 3, 1, 3, 1, 3, }, { 2, 0, 2, 0, 2, 0, 2, 0, }, }; DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_8)[2][8]={ { 6, 2, 6, 2, 6, 2, 6, 2, }, { 0, 4, 0, 4, 0, 4, 0, 4, }, }; DECLARE_ALIGNED(8, const uint8_t, dither_4x4_16)[4][8]={ { 8, 4, 11, 7, 8, 4, 11, 7, }, { 2, 14, 1, 13, 2, 14, 1, 13, }, { 10, 6, 9, 5, 10, 6, 9, 5, }, { 0, 12, 3, 15, 0, 12, 3, 15, }, }; DECLARE_ALIGNED(8, const uint8_t, dither_8x8_32)[8][8]={ { 17, 9, 23, 15, 16, 8, 22, 14, }, { 5, 29, 3, 27, 4, 28, 2, 26, }, { 21, 13, 19, 11, 20, 12, 18, 10, }, { 0, 24, 6, 30, 1, 25, 7, 31, }, { 16, 8, 22, 14, 17, 9, 23, 15, }, { 4, 28, 2, 26, 5, 29, 3, 27, }, { 20, 12, 18, 10, 21, 13, 19, 11, }, { 1, 25, 7, 31, 0, 24, 6, 30, }, }; DECLARE_ALIGNED(8, const uint8_t, dither_8x8_73)[8][8]={ { 0, 55, 14, 68, 3, 58, 17, 72, }, { 37, 18, 50, 32, 40, 22, 54, 35, }, { 9, 64, 5, 59, 13, 67, 8, 63, }, { 46, 27, 41, 23, 49, 31, 44, 26, }, { 2, 57, 16, 71, 1, 56, 15, 70, }, { 39, 21, 52, 34, 38, 19, 51, 33, }, { 11, 66, 7, 62, 10, 65, 6, 60, }, { 48, 30, 43, 25, 47, 29, 42, 24, }, }; #if 1 DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={ {117, 62, 158, 103, 113, 58, 155, 100, }, { 34, 199, 21, 186, 31, 196, 17, 182, }, {144, 89, 131, 76, 141, 86, 127, 72, }, { 0, 165, 41, 206, 10, 175, 52, 217, }, {110, 55, 151, 96, 120, 65, 162, 107, }, { 28, 193, 14, 179, 38, 203, 24, 189, }, {138, 83, 124, 69, 148, 93, 134, 79, }, { 7, 172, 48, 213, 3, 168, 45, 210, }, }; #elif 1 // tries to correct a gamma of 1.5 DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={ { 0, 143, 18, 200, 2, 156, 25, 215, }, { 78, 28, 125, 64, 89, 36, 138, 74, }, { 10, 180, 3, 161, 16, 195, 8, 175, }, {109, 51, 93, 38, 121, 60, 105, 47, }, { 1, 152, 23, 210, 0, 147, 20, 205, }, { 85, 33, 134, 71, 81, 30, 130, 67, }, { 14, 190, 6, 171, 12, 185, 5, 166, }, {117, 57, 101, 44, 113, 54, 97, 41, }, }; #elif 1 // tries to correct a gamma of 2.0 DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={ { 0, 124, 8, 193, 0, 140, 12, 213, }, { 55, 14, 104, 42, 66, 19, 119, 52, }, { 3, 168, 1, 145, 6, 187, 3, 162, }, { 86, 31, 70, 21, 99, 39, 82, 28, }, { 0, 134, 11, 206, 0, 129, 9, 200, }, { 62, 17, 114, 48, 58, 16, 109, 45, }, { 5, 181, 2, 157, 4, 175, 1, 151, }, { 95, 36, 78, 26, 90, 34, 74, 24, }, }; #else // tries to correct a gamma of 2.5 DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={ { 0, 107, 3, 187, 0, 125, 6, 212, }, { 39, 7, 86, 28, 49, 11, 102, 36, }, { 1, 158, 0, 131, 3, 180, 1, 151, }, { 68, 19, 52, 12, 81, 25, 64, 17, }, { 0, 119, 5, 203, 0, 113, 4, 195, }, { 45, 9, 96, 33, 42, 8, 91, 30, }, { 2, 172, 1, 144, 2, 165, 0, 137, }, { 77, 23, 60, 15, 72, 21, 56, 14, }, }; #endif DECLARE_ALIGNED(8, const uint8_t, dither_8x8_128)[8][8] = { { 36, 68, 60, 92, 34, 66, 58, 90,}, { 100, 4,124, 28, 98, 2,122, 26,}, { 52, 84, 44, 76, 50, 82, 42, 74,}, { 116, 20,108, 12,114, 18,106, 10,}, { 32, 64, 56, 88, 38, 70, 62, 94,}, { 96, 0,120, 24,102, 6,126, 30,}, { 48, 80, 40, 72, 54, 86, 46, 78,}, { 112, 16,104, 8,118, 22,110, 14,}, }; DECLARE_ALIGNED(8, const uint8_t, ff_sws_pb_64)[8] = { 64, 64, 64, 64, 64, 64, 64, 64 }; DECLARE_ALIGNED(8, const uint8_t, dithers)[8][8][8]={ { { 0, 1, 0, 1, 0, 1, 0, 1,}, { 1, 0, 1, 0, 1, 0, 1, 0,}, { 0, 1, 0, 1, 0, 1, 0, 1,}, { 1, 0, 1, 0, 1, 0, 1, 0,}, { 0, 1, 0, 1, 0, 1, 0, 1,}, { 1, 0, 1, 0, 1, 0, 1, 0,}, { 0, 1, 0, 1, 0, 1, 0, 1,}, { 1, 0, 1, 0, 1, 0, 1, 0,}, },{ { 1, 2, 1, 2, 1, 2, 1, 2,}, { 3, 0, 3, 0, 3, 0, 3, 0,}, { 1, 2, 1, 2, 1, 2, 1, 2,}, { 3, 0, 3, 0, 3, 0, 3, 0,}, { 1, 2, 1, 2, 1, 2, 1, 2,}, { 3, 0, 3, 0, 3, 0, 3, 0,}, { 1, 2, 1, 2, 1, 2, 1, 2,}, { 3, 0, 3, 0, 3, 0, 3, 0,}, },{ { 2, 4, 3, 5, 2, 4, 3, 5,}, { 6, 0, 7, 1, 6, 0, 7, 1,}, { 3, 5, 2, 4, 3, 5, 2, 4,}, { 7, 1, 6, 0, 7, 1, 6, 0,}, { 2, 4, 3, 5, 2, 4, 3, 5,}, { 6, 0, 7, 1, 6, 0, 7, 1,}, { 3, 5, 2, 4, 3, 5, 2, 4,}, { 7, 1, 6, 0, 7, 1, 6, 0,}, },{ { 4, 8, 7, 11, 4, 8, 7, 11,}, { 12, 0, 15, 3, 12, 0, 15, 3,}, { 6, 10, 5, 9, 6, 10, 5, 9,}, { 14, 2, 13, 1, 14, 2, 13, 1,}, { 4, 8, 7, 11, 4, 8, 7, 11,}, { 12, 0, 15, 3, 12, 0, 15, 3,}, { 6, 10, 5, 9, 6, 10, 5, 9,}, { 14, 2, 13, 1, 14, 2, 13, 1,}, },{ { 9, 17, 15, 23, 8, 16, 14, 22,}, { 25, 1, 31, 7, 24, 0, 30, 6,}, { 13, 21, 11, 19, 12, 20, 10, 18,}, { 29, 5, 27, 3, 28, 4, 26, 2,}, { 8, 16, 14, 22, 9, 17, 15, 23,}, { 24, 0, 30, 6, 25, 1, 31, 7,}, { 12, 20, 10, 18, 13, 21, 11, 19,}, { 28, 4, 26, 2, 29, 5, 27, 3,}, },{ { 18, 34, 30, 46, 17, 33, 29, 45,}, { 50, 2, 62, 14, 49, 1, 61, 13,}, { 26, 42, 22, 38, 25, 41, 21, 37,}, { 58, 10, 54, 6, 57, 9, 53, 5,}, { 16, 32, 28, 44, 19, 35, 31, 47,}, { 48, 0, 60, 12, 51, 3, 63, 15,}, { 24, 40, 20, 36, 27, 43, 23, 39,}, { 56, 8, 52, 4, 59, 11, 55, 7,}, },{ { 18, 34, 30, 46, 17, 33, 29, 45,}, { 50, 2, 62, 14, 49, 1, 61, 13,}, { 26, 42, 22, 38, 25, 41, 21, 37,}, { 58, 10, 54, 6, 57, 9, 53, 5,}, { 16, 32, 28, 44, 19, 35, 31, 47,}, { 48, 0, 60, 12, 51, 3, 63, 15,}, { 24, 40, 20, 36, 27, 43, 23, 39,}, { 56, 8, 52, 4, 59, 11, 55, 7,}, },{ { 36, 68, 60, 92, 34, 66, 58, 90,}, { 100, 4,124, 28, 98, 2,122, 26,}, { 52, 84, 44, 76, 50, 82, 42, 74,}, { 116, 20,108, 12,114, 18,106, 10,}, { 32, 64, 56, 88, 38, 70, 62, 94,}, { 96, 0,120, 24,102, 6,126, 30,}, { 48, 80, 40, 72, 54, 86, 46, 78,}, { 112, 16,104, 8,118, 22,110, 14,}, }}; static const uint8_t flat64[8]={64,64,64,64,64,64,64,64}; const uint16_t dither_scale[15][16]={ { 2, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,}, { 2, 3, 7, 7, 13, 13, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,}, { 3, 3, 4, 15, 15, 29, 57, 57, 57, 113, 113, 113, 113, 113, 113, 113,}, { 3, 4, 4, 5, 31, 31, 61, 121, 241, 241, 241, 241, 481, 481, 481, 481,}, { 3, 4, 5, 5, 6, 63, 63, 125, 249, 497, 993, 993, 993, 993, 993, 1985,}, { 3, 5, 6, 6, 6, 7, 127, 127, 253, 505, 1009, 2017, 4033, 4033, 4033, 4033,}, { 3, 5, 6, 7, 7, 7, 8, 255, 255, 509, 1017, 2033, 4065, 8129,16257,16257,}, { 3, 5, 6, 8, 8, 8, 8, 9, 511, 511, 1021, 2041, 4081, 8161,16321,32641,}, { 3, 5, 7, 8, 9, 9, 9, 9, 10, 1023, 1023, 2045, 4089, 8177,16353,32705,}, { 3, 5, 7, 8, 10, 10, 10, 10, 10, 11, 2047, 2047, 4093, 8185,16369,32737,}, { 3, 5, 7, 8, 10, 11, 11, 11, 11, 11, 12, 4095, 4095, 8189,16377,32753,}, { 3, 5, 7, 9, 10, 12, 12, 12, 12, 12, 12, 13, 8191, 8191,16381,32761,}, { 3, 5, 7, 9, 10, 12, 13, 13, 13, 13, 13, 13, 14,16383,16383,32765,}, { 3, 5, 7, 9, 10, 12, 14, 14, 14, 14, 14, 14, 14, 15,32767,32767,}, { 3, 5, 7, 9, 11, 12, 14, 15, 15, 15, 15, 15, 15, 15, 16,65535,}, }; #define output_pixel(pos, val, bias, signedness) \ if (big_endian) { \ AV_WB16(pos, bias + av_clip_ ## signedness ## 16(val >> shift)); \ } else { \ AV_WL16(pos, bias + av_clip_ ## signedness ## 16(val >> shift)); \ } static av_always_inline void yuv2plane1_16_c_template(const int32_t *src, uint16_t *dest, int dstW, int big_endian, int output_bits) { int i; int shift = 19 - output_bits; for (i = 0; i < dstW; i++) { int val = src[i] + (1 << (shift - 1)); output_pixel(&dest[i], val, 0, uint); } } static av_always_inline void yuv2planeX_16_c_template(const int16_t *filter, int filterSize, const int32_t **src, uint16_t *dest, int dstW, int big_endian, int output_bits) { int i; int shift = 15 + 16 - output_bits; for (i = 0; i < dstW; i++) { int val = 1 << (30-output_bits); int j; /* range of val is [0,0x7FFFFFFF], so 31 bits, but with lanczos/spline * filters (or anything with negative coeffs, the range can be slightly * wider in both directions. To account for this overflow, we subtract * a constant so it always fits in the signed range (assuming a * reasonable filterSize), and re-add that at the end. */ val -= 0x40000000; for (j = 0; j < filterSize; j++) val += src[j][i] * filter[j]; output_pixel(&dest[i], val, 0x8000, int); } } #undef output_pixel #define output_pixel(pos, val) \ if (big_endian) { \ AV_WB16(pos, av_clip_uintp2(val >> shift, output_bits)); \ } else { \ AV_WL16(pos, av_clip_uintp2(val >> shift, output_bits)); \ } static av_always_inline void yuv2plane1_10_c_template(const int16_t *src, uint16_t *dest, int dstW, int big_endian, int output_bits) { int i; int shift = 15 - output_bits; for (i = 0; i < dstW; i++) { int val = src[i] + (1 << (shift - 1)); output_pixel(&dest[i], val); } } static av_always_inline void yuv2planeX_10_c_template(const int16_t *filter, int filterSize, const int16_t **src, uint16_t *dest, int dstW, int big_endian, int output_bits) { int i; int shift = 11 + 16 - output_bits; for (i = 0; i < dstW; i++) { int val = 1 << (26-output_bits); int j; for (j = 0; j < filterSize; j++) val += src[j][i] * filter[j]; output_pixel(&dest[i], val); } } #undef output_pixel #define yuv2NBPS(bits, BE_LE, is_be, template_size, typeX_t) \ static void yuv2plane1_ ## bits ## BE_LE ## _c(const int16_t *src, \ uint8_t *dest, int dstW, \ const uint8_t *dither, int offset)\ { \ yuv2plane1_ ## template_size ## _c_template((const typeX_t *) src, \ (uint16_t *) dest, dstW, is_be, bits); \ }\ static void yuv2planeX_ ## bits ## BE_LE ## _c(const int16_t *filter, int filterSize, \ const int16_t **src, uint8_t *dest, int dstW, \ const uint8_t *dither, int offset)\ { \ yuv2planeX_## template_size ## _c_template(filter, \ filterSize, (const typeX_t **) src, \ (uint16_t *) dest, dstW, is_be, bits); \ } yuv2NBPS( 9, BE, 1, 10, int16_t); yuv2NBPS( 9, LE, 0, 10, int16_t); yuv2NBPS(10, BE, 1, 10, int16_t); yuv2NBPS(10, LE, 0, 10, int16_t); yuv2NBPS(16, BE, 1, 16, int32_t); yuv2NBPS(16, LE, 0, 16, int32_t); static void yuv2planeX_8_c(const int16_t *filter, int filterSize, const int16_t **src, uint8_t *dest, int dstW, const uint8_t *dither, int offset) { int i; for (i=0; i>19); } } static void yuv2plane1_8_c(const int16_t *src, uint8_t *dest, int dstW, const uint8_t *dither, int offset) { int i; for (i=0; i> 7; dest[i]= av_clip_uint8(val); } } static void yuv2nv12cX_c(SwsContext *c, const int16_t *chrFilter, int chrFilterSize, const int16_t **chrUSrc, const int16_t **chrVSrc, uint8_t *dest, int chrDstW) { enum PixelFormat dstFormat = c->dstFormat; const uint8_t *chrDither = c->chrDither8; int i; if (dstFormat == PIX_FMT_NV12) for (i=0; i>19); dest[2*i+1]= av_clip_uint8(v>>19); } else for (i=0; i>19); dest[2*i+1]= av_clip_uint8(u>>19); } } #define output_pixel(pos, val) \ if (target == PIX_FMT_GRAY16BE) { \ AV_WB16(pos, val); \ } else { \ AV_WL16(pos, val); \ } static av_always_inline void yuv2gray16_X_c_template(SwsContext *c, const int16_t *lumFilter, const int32_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int32_t **chrUSrc, const int32_t **chrVSrc, int chrFilterSize, const int32_t **alpSrc, uint16_t *dest, int dstW, int y, enum PixelFormat target) { int i; for (i = 0; i < (dstW >> 1); i++) { int j; int Y1 = 1 << 14; int Y2 = 1 << 14; for (j = 0; j < lumFilterSize; j++) { Y1 += lumSrc[j][i * 2] * lumFilter[j]; Y2 += lumSrc[j][i * 2 + 1] * lumFilter[j]; } Y1 >>= 15; Y2 >>= 15; if ((Y1 | Y2) & 0x10000) { Y1 = av_clip_uint16(Y1); Y2 = av_clip_uint16(Y2); } output_pixel(&dest[i * 2 + 0], Y1); output_pixel(&dest[i * 2 + 1], Y2); } } static av_always_inline void yuv2gray16_2_c_template(SwsContext *c, const int32_t *buf[2], const int32_t *ubuf[2], const int32_t *vbuf[2], const int32_t *abuf[2], uint16_t *dest, int dstW, int yalpha, int uvalpha, int y, enum PixelFormat target) { int yalpha1 = 4095 - yalpha; int i; const int32_t *buf0 = buf[0], *buf1 = buf[1]; for (i = 0; i < (dstW >> 1); i++) { int Y1 = (buf0[i * 2 ] * yalpha1 + buf1[i * 2 ] * yalpha) >> 15; int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 15; output_pixel(&dest[i * 2 + 0], Y1); output_pixel(&dest[i * 2 + 1], Y2); } } static av_always_inline void yuv2gray16_1_c_template(SwsContext *c, const int32_t *buf0, const int32_t *ubuf[2], const int32_t *vbuf[2], const int32_t *abuf0, uint16_t *dest, int dstW, int uvalpha, int y, enum PixelFormat target) { int i; for (i = 0; i < (dstW >> 1); i++) { int Y1 = (buf0[i * 2 ]+4)>>3; int Y2 = (buf0[i * 2 + 1]+4)>>3; output_pixel(&dest[i * 2 + 0], Y1); output_pixel(&dest[i * 2 + 1], Y2); } } #undef output_pixel #define YUV2PACKED16WRAPPER(name, base, ext, fmt) \ static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \ const int16_t **_lumSrc, int lumFilterSize, \ const int16_t *chrFilter, const int16_t **_chrUSrc, \ const int16_t **_chrVSrc, int chrFilterSize, \ const int16_t **_alpSrc, uint8_t *_dest, int dstW, \ int y) \ { \ const int32_t **lumSrc = (const int32_t **) _lumSrc, \ **chrUSrc = (const int32_t **) _chrUSrc, \ **chrVSrc = (const int32_t **) _chrVSrc, \ **alpSrc = (const int32_t **) _alpSrc; \ uint16_t *dest = (uint16_t *) _dest; \ name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \ chrFilter, chrUSrc, chrVSrc, chrFilterSize, \ alpSrc, dest, dstW, y, fmt); \ } \ \ static void name ## ext ## _2_c(SwsContext *c, const int16_t *_buf[2], \ const int16_t *_ubuf[2], const int16_t *_vbuf[2], \ const int16_t *_abuf[2], uint8_t *_dest, int dstW, \ int yalpha, int uvalpha, int y) \ { \ const int32_t **buf = (const int32_t **) _buf, \ **ubuf = (const int32_t **) _ubuf, \ **vbuf = (const int32_t **) _vbuf, \ **abuf = (const int32_t **) _abuf; \ uint16_t *dest = (uint16_t *) _dest; \ name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \ dest, dstW, yalpha, uvalpha, y, fmt); \ } \ \ static void name ## ext ## _1_c(SwsContext *c, const int16_t *_buf0, \ const int16_t *_ubuf[2], const int16_t *_vbuf[2], \ const int16_t *_abuf0, uint8_t *_dest, int dstW, \ int uvalpha, int y) \ { \ const int32_t *buf0 = (const int32_t *) _buf0, \ **ubuf = (const int32_t **) _ubuf, \ **vbuf = (const int32_t **) _vbuf, \ *abuf0 = (const int32_t *) _abuf0; \ uint16_t *dest = (uint16_t *) _dest; \ name ## base ## _1_c_template(c, buf0, ubuf, vbuf, abuf0, dest, \ dstW, uvalpha, y, fmt); \ } YUV2PACKED16WRAPPER(yuv2gray16,, LE, PIX_FMT_GRAY16LE); YUV2PACKED16WRAPPER(yuv2gray16,, BE, PIX_FMT_GRAY16BE); #define output_pixel(pos, acc) \ if (target == PIX_FMT_MONOBLACK) { \ pos = acc; \ } else { \ pos = ~acc; \ } static av_always_inline void yuv2mono_X_c_template(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, int dstW, int y, enum PixelFormat target) { const uint8_t * const d128=dither_8x8_220[y&7]; uint8_t *g = c->table_gU[128] + c->table_gV[128]; int i; int acc = 0; for (i = 0; i < dstW - 1; i += 2) { int j; int Y1 = 1 << 18; int Y2 = 1 << 18; for (j = 0; j < lumFilterSize; j++) { Y1 += lumSrc[j][i] * lumFilter[j]; Y2 += lumSrc[j][i+1] * lumFilter[j]; } Y1 >>= 19; Y2 >>= 19; if ((Y1 | Y2) & 0x100) { Y1 = av_clip_uint8(Y1); Y2 = av_clip_uint8(Y2); } acc += acc + g[Y1 + d128[(i + 0) & 7]]; acc += acc + g[Y2 + d128[(i + 1) & 7]]; if ((i & 7) == 6) { output_pixel(*dest++, acc); } } } static av_always_inline void yuv2mono_2_c_template(SwsContext *c, const int16_t *buf[2], const int16_t *ubuf[2], const int16_t *vbuf[2], const int16_t *abuf[2], uint8_t *dest, int dstW, int yalpha, int uvalpha, int y, enum PixelFormat target) { const int16_t *buf0 = buf[0], *buf1 = buf[1]; const uint8_t * const d128 = dither_8x8_220[y & 7]; uint8_t *g = c->table_gU[128] + c->table_gV[128]; int yalpha1 = 4095 - yalpha; int i; for (i = 0; i < dstW - 7; i += 8) { int acc = g[((buf0[i ] * yalpha1 + buf1[i ] * yalpha) >> 19) + d128[0]]; acc += acc + g[((buf0[i + 1] * yalpha1 + buf1[i + 1] * yalpha) >> 19) + d128[1]]; acc += acc + g[((buf0[i + 2] * yalpha1 + buf1[i + 2] * yalpha) >> 19) + d128[2]]; acc += acc + g[((buf0[i + 3] * yalpha1 + buf1[i + 3] * yalpha) >> 19) + d128[3]]; acc += acc + g[((buf0[i + 4] * yalpha1 + buf1[i + 4] * yalpha) >> 19) + d128[4]]; acc += acc + g[((buf0[i + 5] * yalpha1 + buf1[i + 5] * yalpha) >> 19) + d128[5]]; acc += acc + g[((buf0[i + 6] * yalpha1 + buf1[i + 6] * yalpha) >> 19) + d128[6]]; acc += acc + g[((buf0[i + 7] * yalpha1 + buf1[i + 7] * yalpha) >> 19) + d128[7]]; output_pixel(*dest++, acc); } } static av_always_inline void yuv2mono_1_c_template(SwsContext *c, const int16_t *buf0, const int16_t *ubuf[2], const int16_t *vbuf[2], const int16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, int y, enum PixelFormat target) { const uint8_t * const d128 = dither_8x8_220[y & 7]; uint8_t *g = c->table_gU[128] + c->table_gV[128]; int i; for (i = 0; i < dstW - 7; i += 8) { int acc = g[(buf0[i ] >> 7) + d128[0]]; acc += acc + g[(buf0[i + 1] >> 7) + d128[1]]; acc += acc + g[(buf0[i + 2] >> 7) + d128[2]]; acc += acc + g[(buf0[i + 3] >> 7) + d128[3]]; acc += acc + g[(buf0[i + 4] >> 7) + d128[4]]; acc += acc + g[(buf0[i + 5] >> 7) + d128[5]]; acc += acc + g[(buf0[i + 6] >> 7) + d128[6]]; acc += acc + g[(buf0[i + 7] >> 7) + d128[7]]; output_pixel(*dest++, acc); } } #undef output_pixel #define YUV2PACKEDWRAPPER(name, base, ext, fmt) \ static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \ const int16_t **lumSrc, int lumFilterSize, \ const int16_t *chrFilter, const int16_t **chrUSrc, \ const int16_t **chrVSrc, int chrFilterSize, \ const int16_t **alpSrc, uint8_t *dest, int dstW, \ int y) \ { \ name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \ chrFilter, chrUSrc, chrVSrc, chrFilterSize, \ alpSrc, dest, dstW, y, fmt); \ } \ \ static void name ## ext ## _2_c(SwsContext *c, const int16_t *buf[2], \ const int16_t *ubuf[2], const int16_t *vbuf[2], \ const int16_t *abuf[2], uint8_t *dest, int dstW, \ int yalpha, int uvalpha, int y) \ { \ name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \ dest, dstW, yalpha, uvalpha, y, fmt); \ } \ \ static void name ## ext ## _1_c(SwsContext *c, const int16_t *buf0, \ const int16_t *ubuf[2], const int16_t *vbuf[2], \ const int16_t *abuf0, uint8_t *dest, int dstW, \ int uvalpha, int y) \ { \ name ## base ## _1_c_template(c, buf0, ubuf, vbuf, \ abuf0, dest, dstW, uvalpha, \ y, fmt); \ } YUV2PACKEDWRAPPER(yuv2mono,, white, PIX_FMT_MONOWHITE); YUV2PACKEDWRAPPER(yuv2mono,, black, PIX_FMT_MONOBLACK); #define output_pixels(pos, Y1, U, Y2, V) \ if (target == PIX_FMT_YUYV422) { \ dest[pos + 0] = Y1; \ dest[pos + 1] = U; \ dest[pos + 2] = Y2; \ dest[pos + 3] = V; \ } else { \ dest[pos + 0] = U; \ dest[pos + 1] = Y1; \ dest[pos + 2] = V; \ dest[pos + 3] = Y2; \ } static av_always_inline void yuv2422_X_c_template(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, int dstW, int y, enum PixelFormat target) { int i; for (i = 0; i < (dstW >> 1); i++) { int j; int Y1 = 1 << 18; int Y2 = 1 << 18; int U = 1 << 18; int V = 1 << 18; for (j = 0; j < lumFilterSize; j++) { Y1 += lumSrc[j][i * 2] * lumFilter[j]; Y2 += lumSrc[j][i * 2 + 1] * lumFilter[j]; } for (j = 0; j < chrFilterSize; j++) { U += chrUSrc[j][i] * chrFilter[j]; V += chrVSrc[j][i] * chrFilter[j]; } Y1 >>= 19; Y2 >>= 19; U >>= 19; V >>= 19; if ((Y1 | Y2 | U | V) & 0x100) { Y1 = av_clip_uint8(Y1); Y2 = av_clip_uint8(Y2); U = av_clip_uint8(U); V = av_clip_uint8(V); } output_pixels(4*i, Y1, U, Y2, V); } } static av_always_inline void yuv2422_2_c_template(SwsContext *c, const int16_t *buf[2], const int16_t *ubuf[2], const int16_t *vbuf[2], const int16_t *abuf[2], uint8_t *dest, int dstW, int yalpha, int uvalpha, int y, enum PixelFormat target) { const int16_t *buf0 = buf[0], *buf1 = buf[1], *ubuf0 = ubuf[0], *ubuf1 = ubuf[1], *vbuf0 = vbuf[0], *vbuf1 = vbuf[1]; int yalpha1 = 4095 - yalpha; int uvalpha1 = 4095 - uvalpha; int i; for (i = 0; i < (dstW >> 1); i++) { int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 19; int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 19; int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha) >> 19; int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha) >> 19; output_pixels(i * 4, Y1, U, Y2, V); } } static av_always_inline void yuv2422_1_c_template(SwsContext *c, const int16_t *buf0, const int16_t *ubuf[2], const int16_t *vbuf[2], const int16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, int y, enum PixelFormat target) { const int16_t *ubuf0 = ubuf[0], *ubuf1 = ubuf[1], *vbuf0 = vbuf[0], *vbuf1 = vbuf[1]; int i; if (uvalpha < 2048) { for (i = 0; i < (dstW >> 1); i++) { int Y1 = buf0[i * 2] >> 7; int Y2 = buf0[i * 2 + 1] >> 7; int U = ubuf1[i] >> 7; int V = vbuf1[i] >> 7; output_pixels(i * 4, Y1, U, Y2, V); } } else { for (i = 0; i < (dstW >> 1); i++) { int Y1 = buf0[i * 2] >> 7; int Y2 = buf0[i * 2 + 1] >> 7; int U = (ubuf0[i] + ubuf1[i]) >> 8; int V = (vbuf0[i] + vbuf1[i]) >> 8; output_pixels(i * 4, Y1, U, Y2, V); } } } #undef output_pixels YUV2PACKEDWRAPPER(yuv2, 422, yuyv422, PIX_FMT_YUYV422); YUV2PACKEDWRAPPER(yuv2, 422, uyvy422, PIX_FMT_UYVY422); #define R_B ((target == PIX_FMT_RGB48LE || target == PIX_FMT_RGB48BE) ? R : B) #define B_R ((target == PIX_FMT_RGB48LE || target == PIX_FMT_RGB48BE) ? B : R) #define output_pixel(pos, val) \ if (isBE(target)) { \ AV_WB16(pos, val); \ } else { \ AV_WL16(pos, val); \ } static av_always_inline void yuv2rgb48_X_c_template(SwsContext *c, const int16_t *lumFilter, const int32_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int32_t **chrUSrc, const int32_t **chrVSrc, int chrFilterSize, const int32_t **alpSrc, uint16_t *dest, int dstW, int y, enum PixelFormat target) { int i; for (i = 0; i < (dstW >> 1); i++) { int j; int Y1 = 0; int Y2 = 0; int U = -128 << 23; // 19 int V = -128 << 23; int R, G, B; for (j = 0; j < lumFilterSize; j++) { Y1 += lumSrc[j][i * 2] * lumFilter[j]; Y2 += lumSrc[j][i * 2 + 1] * lumFilter[j]; } for (j = 0; j < chrFilterSize; j++) { U += chrUSrc[j][i] * chrFilter[j]; V += chrVSrc[j][i] * chrFilter[j]; } // 8bit: 12+15=27; 16-bit: 12+19=31 Y1 >>= 14; // 10 Y2 >>= 14; U >>= 14; V >>= 14; // 8bit: 27 -> 17bit, 16bit: 31 - 14 = 17bit Y1 -= c->yuv2rgb_y_offset; Y2 -= c->yuv2rgb_y_offset; Y1 *= c->yuv2rgb_y_coeff; Y2 *= c->yuv2rgb_y_coeff; Y1 += 1 << 13; // 21 Y2 += 1 << 13; // 8bit: 17 + 13bit = 30bit, 16bit: 17 + 13bit = 30bit R = V * c->yuv2rgb_v2r_coeff; G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff; B = U * c->yuv2rgb_u2b_coeff; // 8bit: 30 - 22 = 8bit, 16bit: 30bit - 14 = 16bit output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14); output_pixel(&dest[1], av_clip_uintp2( G + Y1, 30) >> 14); output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14); output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14); output_pixel(&dest[4], av_clip_uintp2( G + Y2, 30) >> 14); output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14); dest += 6; } } static av_always_inline void yuv2rgb48_2_c_template(SwsContext *c, const int32_t *buf[2], const int32_t *ubuf[2], const int32_t *vbuf[2], const int32_t *abuf[2], uint16_t *dest, int dstW, int yalpha, int uvalpha, int y, enum PixelFormat target) { const int32_t *buf0 = buf[0], *buf1 = buf[1], *ubuf0 = ubuf[0], *ubuf1 = ubuf[1], *vbuf0 = vbuf[0], *vbuf1 = vbuf[1]; int yalpha1 = 4095 - yalpha; int uvalpha1 = 4095 - uvalpha; int i; for (i = 0; i < (dstW >> 1); i++) { int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 14; int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 14; int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha + (-128 << 23)) >> 14; int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha + (-128 << 23)) >> 14; int R, G, B; Y1 -= c->yuv2rgb_y_offset; Y2 -= c->yuv2rgb_y_offset; Y1 *= c->yuv2rgb_y_coeff; Y2 *= c->yuv2rgb_y_coeff; Y1 += 1 << 13; Y2 += 1 << 13; R = V * c->yuv2rgb_v2r_coeff; G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff; B = U * c->yuv2rgb_u2b_coeff; output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14); output_pixel(&dest[1], av_clip_uintp2( G + Y1, 30) >> 14); output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14); output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14); output_pixel(&dest[4], av_clip_uintp2( G + Y2, 30) >> 14); output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14); dest += 6; } } static av_always_inline void yuv2rgb48_1_c_template(SwsContext *c, const int32_t *buf0, const int32_t *ubuf[2], const int32_t *vbuf[2], const int32_t *abuf0, uint16_t *dest, int dstW, int uvalpha, int y, enum PixelFormat target) { const int32_t *ubuf0 = ubuf[0], *ubuf1 = ubuf[1], *vbuf0 = vbuf[0], *vbuf1 = vbuf[1]; int i; if (uvalpha < 2048) { for (i = 0; i < (dstW >> 1); i++) { int Y1 = (buf0[i * 2] ) >> 2; int Y2 = (buf0[i * 2 + 1]) >> 2; int U = (ubuf0[i] + (-128 << 11)) >> 2; int V = (vbuf0[i] + (-128 << 11)) >> 2; int R, G, B; Y1 -= c->yuv2rgb_y_offset; Y2 -= c->yuv2rgb_y_offset; Y1 *= c->yuv2rgb_y_coeff; Y2 *= c->yuv2rgb_y_coeff; Y1 += 1 << 13; Y2 += 1 << 13; R = V * c->yuv2rgb_v2r_coeff; G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff; B = U * c->yuv2rgb_u2b_coeff; output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14); output_pixel(&dest[1], av_clip_uintp2( G + Y1, 30) >> 14); output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14); output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14); output_pixel(&dest[4], av_clip_uintp2( G + Y2, 30) >> 14); output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14); dest += 6; } } else { for (i = 0; i < (dstW >> 1); i++) { int Y1 = (buf0[i * 2] ) >> 2; int Y2 = (buf0[i * 2 + 1]) >> 2; int U = (ubuf0[i] + ubuf1[i] + (-128 << 12)) >> 3; int V = (vbuf0[i] + vbuf1[i] + (-128 << 12)) >> 3; int R, G, B; Y1 -= c->yuv2rgb_y_offset; Y2 -= c->yuv2rgb_y_offset; Y1 *= c->yuv2rgb_y_coeff; Y2 *= c->yuv2rgb_y_coeff; Y1 += 1 << 13; Y2 += 1 << 13; R = V * c->yuv2rgb_v2r_coeff; G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff; B = U * c->yuv2rgb_u2b_coeff; output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14); output_pixel(&dest[1], av_clip_uintp2( G + Y1, 30) >> 14); output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14); output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14); output_pixel(&dest[4], av_clip_uintp2( G + Y2, 30) >> 14); output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14); dest += 6; } } } #undef output_pixel #undef r_b #undef b_r YUV2PACKED16WRAPPER(yuv2, rgb48, rgb48be, PIX_FMT_RGB48BE); YUV2PACKED16WRAPPER(yuv2, rgb48, rgb48le, PIX_FMT_RGB48LE); YUV2PACKED16WRAPPER(yuv2, rgb48, bgr48be, PIX_FMT_BGR48BE); YUV2PACKED16WRAPPER(yuv2, rgb48, bgr48le, PIX_FMT_BGR48LE); static av_always_inline void yuv2rgb_write(uint8_t *_dest, int i, int Y1, int Y2, int U, int V, int A1, int A2, const void *_r, const void *_g, const void *_b, int y, enum PixelFormat target, int hasAlpha) { if (target == PIX_FMT_ARGB || target == PIX_FMT_RGBA || target == PIX_FMT_ABGR || target == PIX_FMT_BGRA) { uint32_t *dest = (uint32_t *) _dest; const uint32_t *r = (const uint32_t *) _r; const uint32_t *g = (const uint32_t *) _g; const uint32_t *b = (const uint32_t *) _b; #if CONFIG_SMALL int sh = hasAlpha ? ((target == PIX_FMT_RGB32_1 || target == PIX_FMT_BGR32_1) ? 0 : 24) : 0; dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1] + (hasAlpha ? A1 << sh : 0); dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2] + (hasAlpha ? A2 << sh : 0); #else if (hasAlpha) { int sh = (target == PIX_FMT_RGB32_1 || target == PIX_FMT_BGR32_1) ? 0 : 24; dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1] + (A1 << sh); dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2] + (A2 << sh); } else { dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1]; dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2]; } #endif } else if (target == PIX_FMT_RGB24 || target == PIX_FMT_BGR24) { uint8_t *dest = (uint8_t *) _dest; const uint8_t *r = (const uint8_t *) _r; const uint8_t *g = (const uint8_t *) _g; const uint8_t *b = (const uint8_t *) _b; #define r_b ((target == PIX_FMT_RGB24) ? r : b) #define b_r ((target == PIX_FMT_RGB24) ? b : r) dest[i * 6 + 0] = r_b[Y1]; dest[i * 6 + 1] = g[Y1]; dest[i * 6 + 2] = b_r[Y1]; dest[i * 6 + 3] = r_b[Y2]; dest[i * 6 + 4] = g[Y2]; dest[i * 6 + 5] = b_r[Y2]; #undef r_b #undef b_r } else if (target == PIX_FMT_RGB565 || target == PIX_FMT_BGR565 || target == PIX_FMT_RGB555 || target == PIX_FMT_BGR555 || target == PIX_FMT_RGB444 || target == PIX_FMT_BGR444) { uint16_t *dest = (uint16_t *) _dest; const uint16_t *r = (const uint16_t *) _r; const uint16_t *g = (const uint16_t *) _g; const uint16_t *b = (const uint16_t *) _b; int dr1, dg1, db1, dr2, dg2, db2; if (target == PIX_FMT_RGB565 || target == PIX_FMT_BGR565) { dr1 = dither_2x2_8[ y & 1 ][0]; dg1 = dither_2x2_4[ y & 1 ][0]; db1 = dither_2x2_8[(y & 1) ^ 1][0]; dr2 = dither_2x2_8[ y & 1 ][1]; dg2 = dither_2x2_4[ y & 1 ][1]; db2 = dither_2x2_8[(y & 1) ^ 1][1]; } else if (target == PIX_FMT_RGB555 || target == PIX_FMT_BGR555) { dr1 = dither_2x2_8[ y & 1 ][0]; dg1 = dither_2x2_8[ y & 1 ][1]; db1 = dither_2x2_8[(y & 1) ^ 1][0]; dr2 = dither_2x2_8[ y & 1 ][1]; dg2 = dither_2x2_8[ y & 1 ][0]; db2 = dither_2x2_8[(y & 1) ^ 1][1]; } else { dr1 = dither_4x4_16[ y & 3 ][0]; dg1 = dither_4x4_16[ y & 3 ][1]; db1 = dither_4x4_16[(y & 3) ^ 3][0]; dr2 = dither_4x4_16[ y & 3 ][1]; dg2 = dither_4x4_16[ y & 3 ][0]; db2 = dither_4x4_16[(y & 3) ^ 3][1]; } dest[i * 2 + 0] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1]; dest[i * 2 + 1] = r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2]; } else /* 8/4-bit */ { uint8_t *dest = (uint8_t *) _dest; const uint8_t *r = (const uint8_t *) _r; const uint8_t *g = (const uint8_t *) _g; const uint8_t *b = (const uint8_t *) _b; int dr1, dg1, db1, dr2, dg2, db2; if (target == PIX_FMT_RGB8 || target == PIX_FMT_BGR8) { const uint8_t * const d64 = dither_8x8_73[y & 7]; const uint8_t * const d32 = dither_8x8_32[y & 7]; dr1 = dg1 = d32[(i * 2 + 0) & 7]; db1 = d64[(i * 2 + 0) & 7]; dr2 = dg2 = d32[(i * 2 + 1) & 7]; db2 = d64[(i * 2 + 1) & 7]; } else { const uint8_t * const d64 = dither_8x8_73 [y & 7]; const uint8_t * const d128 = dither_8x8_220[y & 7]; dr1 = db1 = d128[(i * 2 + 0) & 7]; dg1 = d64[(i * 2 + 0) & 7]; dr2 = db2 = d128[(i * 2 + 1) & 7]; dg2 = d64[(i * 2 + 1) & 7]; } if (target == PIX_FMT_RGB4 || target == PIX_FMT_BGR4) { dest[i] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1] + ((r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2]) << 4); } else { dest[i * 2 + 0] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1]; dest[i * 2 + 1] = r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2]; } } } static av_always_inline void yuv2rgb_X_c_template(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, int dstW, int y, enum PixelFormat target, int hasAlpha) { int i; for (i = 0; i < (dstW >> 1); i++) { int j; int Y1 = 1 << 18; int Y2 = 1 << 18; int U = 1 << 18; int V = 1 << 18; int av_unused A1, A2; const void *r, *g, *b; for (j = 0; j < lumFilterSize; j++) { Y1 += lumSrc[j][i * 2] * lumFilter[j]; Y2 += lumSrc[j][i * 2 + 1] * lumFilter[j]; } for (j = 0; j < chrFilterSize; j++) { U += chrUSrc[j][i] * chrFilter[j]; V += chrVSrc[j][i] * chrFilter[j]; } Y1 >>= 19; Y2 >>= 19; U >>= 19; V >>= 19; if ((Y1 | Y2 | U | V) & 0x100) { Y1 = av_clip_uint8(Y1); Y2 = av_clip_uint8(Y2); U = av_clip_uint8(U); V = av_clip_uint8(V); } if (hasAlpha) { A1 = 1 << 18; A2 = 1 << 18; for (j = 0; j < lumFilterSize; j++) { A1 += alpSrc[j][i * 2 ] * lumFilter[j]; A2 += alpSrc[j][i * 2 + 1] * lumFilter[j]; } A1 >>= 19; A2 >>= 19; if ((A1 | A2) & 0x100) { A1 = av_clip_uint8(A1); A2 = av_clip_uint8(A2); } } /* FIXME fix tables so that clipping is not needed and then use _NOCLIP*/ r = c->table_rV[V]; g = (c->table_gU[U] + c->table_gV[V]); b = c->table_bU[U]; yuv2rgb_write(dest, i, Y1, Y2, U, V, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0, r, g, b, y, target, hasAlpha); } } static av_always_inline void yuv2rgb_2_c_template(SwsContext *c, const int16_t *buf[2], const int16_t *ubuf[2], const int16_t *vbuf[2], const int16_t *abuf[2], uint8_t *dest, int dstW, int yalpha, int uvalpha, int y, enum PixelFormat target, int hasAlpha) { const int16_t *buf0 = buf[0], *buf1 = buf[1], *ubuf0 = ubuf[0], *ubuf1 = ubuf[1], *vbuf0 = vbuf[0], *vbuf1 = vbuf[1], *abuf0 = hasAlpha ? abuf[0] : NULL, *abuf1 = hasAlpha ? abuf[1] : NULL; int yalpha1 = 4095 - yalpha; int uvalpha1 = 4095 - uvalpha; int i; for (i = 0; i < (dstW >> 1); i++) { int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 19; int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 19; int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha) >> 19; int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha) >> 19; int A1, A2; const void *r = c->table_rV[V], *g = (c->table_gU[U] + c->table_gV[V]), *b = c->table_bU[U]; if (hasAlpha) { A1 = (abuf0[i * 2 ] * yalpha1 + abuf1[i * 2 ] * yalpha) >> 19; A2 = (abuf0[i * 2 + 1] * yalpha1 + abuf1[i * 2 + 1] * yalpha) >> 19; } yuv2rgb_write(dest, i, Y1, Y2, U, V, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0, r, g, b, y, target, hasAlpha); } } static av_always_inline void yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0, const int16_t *ubuf[2], const int16_t *vbuf[2], const int16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, int y, enum PixelFormat target, int hasAlpha) { const int16_t *ubuf0 = ubuf[0], *ubuf1 = ubuf[1], *vbuf0 = vbuf[0], *vbuf1 = vbuf[1]; int i; if (uvalpha < 2048) { for (i = 0; i < (dstW >> 1); i++) { int Y1 = buf0[i * 2] >> 7; int Y2 = buf0[i * 2 + 1] >> 7; int U = ubuf1[i] >> 7; int V = vbuf1[i] >> 7; int A1, A2; const void *r = c->table_rV[V], *g = (c->table_gU[U] + c->table_gV[V]), *b = c->table_bU[U]; if (hasAlpha) { A1 = abuf0[i * 2 ] >> 7; A2 = abuf0[i * 2 + 1] >> 7; } yuv2rgb_write(dest, i, Y1, Y2, U, V, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0, r, g, b, y, target, hasAlpha); } } else { for (i = 0; i < (dstW >> 1); i++) { int Y1 = buf0[i * 2] >> 7; int Y2 = buf0[i * 2 + 1] >> 7; int U = (ubuf0[i] + ubuf1[i]) >> 8; int V = (vbuf0[i] + vbuf1[i]) >> 8; int A1, A2; const void *r = c->table_rV[V], *g = (c->table_gU[U] + c->table_gV[V]), *b = c->table_bU[U]; if (hasAlpha) { A1 = abuf0[i * 2 ] >> 7; A2 = abuf0[i * 2 + 1] >> 7; } yuv2rgb_write(dest, i, Y1, Y2, U, V, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0, r, g, b, y, target, hasAlpha); } } } #define YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \ static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \ const int16_t **lumSrc, int lumFilterSize, \ const int16_t *chrFilter, const int16_t **chrUSrc, \ const int16_t **chrVSrc, int chrFilterSize, \ const int16_t **alpSrc, uint8_t *dest, int dstW, \ int y) \ { \ name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \ chrFilter, chrUSrc, chrVSrc, chrFilterSize, \ alpSrc, dest, dstW, y, fmt, hasAlpha); \ } #define YUV2RGBWRAPPER(name, base, ext, fmt, hasAlpha) \ YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \ static void name ## ext ## _2_c(SwsContext *c, const int16_t *buf[2], \ const int16_t *ubuf[2], const int16_t *vbuf[2], \ const int16_t *abuf[2], uint8_t *dest, int dstW, \ int yalpha, int uvalpha, int y) \ { \ name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \ dest, dstW, yalpha, uvalpha, y, fmt, hasAlpha); \ } \ \ static void name ## ext ## _1_c(SwsContext *c, const int16_t *buf0, \ const int16_t *ubuf[2], const int16_t *vbuf[2], \ const int16_t *abuf0, uint8_t *dest, int dstW, \ int uvalpha, int y) \ { \ name ## base ## _1_c_template(c, buf0, ubuf, vbuf, abuf0, dest, \ dstW, uvalpha, y, fmt, hasAlpha); \ } #if CONFIG_SMALL YUV2RGBWRAPPER(yuv2rgb,, 32_1, PIX_FMT_RGB32_1, CONFIG_SWSCALE_ALPHA && c->alpPixBuf); YUV2RGBWRAPPER(yuv2rgb,, 32, PIX_FMT_RGB32, CONFIG_SWSCALE_ALPHA && c->alpPixBuf); #else #if CONFIG_SWSCALE_ALPHA YUV2RGBWRAPPER(yuv2rgb,, a32_1, PIX_FMT_RGB32_1, 1); YUV2RGBWRAPPER(yuv2rgb,, a32, PIX_FMT_RGB32, 1); #endif YUV2RGBWRAPPER(yuv2rgb,, x32_1, PIX_FMT_RGB32_1, 0); YUV2RGBWRAPPER(yuv2rgb,, x32, PIX_FMT_RGB32, 0); #endif YUV2RGBWRAPPER(yuv2, rgb, rgb24, PIX_FMT_RGB24, 0); YUV2RGBWRAPPER(yuv2, rgb, bgr24, PIX_FMT_BGR24, 0); YUV2RGBWRAPPER(yuv2rgb,, 16, PIX_FMT_RGB565, 0); YUV2RGBWRAPPER(yuv2rgb,, 15, PIX_FMT_RGB555, 0); YUV2RGBWRAPPER(yuv2rgb,, 12, PIX_FMT_RGB444, 0); YUV2RGBWRAPPER(yuv2rgb,, 8, PIX_FMT_RGB8, 0); YUV2RGBWRAPPER(yuv2rgb,, 4, PIX_FMT_RGB4, 0); YUV2RGBWRAPPER(yuv2rgb,, 4b, PIX_FMT_RGB4_BYTE, 0); static av_always_inline void yuv2rgb_full_X_c_template(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, int dstW, int y, enum PixelFormat target, int hasAlpha) { int i; int step = (target == PIX_FMT_RGB24 || target == PIX_FMT_BGR24) ? 3 : 4; for (i = 0; i < dstW; i++) { int j; int Y = 1<<9; int U = (1<<9)-(128 << 19); int V = (1<<9)-(128 << 19); int av_unused A; int R, G, B; for (j = 0; j < lumFilterSize; j++) { Y += lumSrc[j][i] * lumFilter[j]; } for (j = 0; j < chrFilterSize; j++) { U += chrUSrc[j][i] * chrFilter[j]; V += chrVSrc[j][i] * chrFilter[j]; } Y >>= 10; U >>= 10; V >>= 10; if (hasAlpha) { A = 1 << 18; for (j = 0; j < lumFilterSize; j++) { A += alpSrc[j][i] * lumFilter[j]; } A >>= 19; if (A & 0x100) A = av_clip_uint8(A); } Y -= c->yuv2rgb_y_offset; Y *= c->yuv2rgb_y_coeff; Y += 1 << 21; R = Y + V*c->yuv2rgb_v2r_coeff; G = Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff; B = Y + U*c->yuv2rgb_u2b_coeff; if ((R | G | B) & 0xC0000000) { R = av_clip_uintp2(R, 30); G = av_clip_uintp2(G, 30); B = av_clip_uintp2(B, 30); } switch(target) { case PIX_FMT_ARGB: dest[0] = hasAlpha ? A : 255; dest[1] = R >> 22; dest[2] = G >> 22; dest[3] = B >> 22; break; case PIX_FMT_RGB24: dest[0] = R >> 22; dest[1] = G >> 22; dest[2] = B >> 22; break; case PIX_FMT_RGBA: dest[0] = R >> 22; dest[1] = G >> 22; dest[2] = B >> 22; dest[3] = hasAlpha ? A : 255; break; case PIX_FMT_ABGR: dest[0] = hasAlpha ? A : 255; dest[1] = B >> 22; dest[2] = G >> 22; dest[3] = R >> 22; break; case PIX_FMT_BGR24: dest[0] = B >> 22; dest[1] = G >> 22; dest[2] = R >> 22; break; case PIX_FMT_BGRA: dest[0] = B >> 22; dest[1] = G >> 22; dest[2] = R >> 22; dest[3] = hasAlpha ? A : 255; break; } dest += step; } } #if CONFIG_SMALL YUV2RGBWRAPPERX(yuv2, rgb_full, bgra32_full, PIX_FMT_BGRA, CONFIG_SWSCALE_ALPHA && c->alpPixBuf); YUV2RGBWRAPPERX(yuv2, rgb_full, abgr32_full, PIX_FMT_ABGR, CONFIG_SWSCALE_ALPHA && c->alpPixBuf); YUV2RGBWRAPPERX(yuv2, rgb_full, rgba32_full, PIX_FMT_RGBA, CONFIG_SWSCALE_ALPHA && c->alpPixBuf); YUV2RGBWRAPPERX(yuv2, rgb_full, argb32_full, PIX_FMT_ARGB, CONFIG_SWSCALE_ALPHA && c->alpPixBuf); #else #if CONFIG_SWSCALE_ALPHA YUV2RGBWRAPPERX(yuv2, rgb_full, bgra32_full, PIX_FMT_BGRA, 1); YUV2RGBWRAPPERX(yuv2, rgb_full, abgr32_full, PIX_FMT_ABGR, 1); YUV2RGBWRAPPERX(yuv2, rgb_full, rgba32_full, PIX_FMT_RGBA, 1); YUV2RGBWRAPPERX(yuv2, rgb_full, argb32_full, PIX_FMT_ARGB, 1); #endif YUV2RGBWRAPPERX(yuv2, rgb_full, bgrx32_full, PIX_FMT_BGRA, 0); YUV2RGBWRAPPERX(yuv2, rgb_full, xbgr32_full, PIX_FMT_ABGR, 0); YUV2RGBWRAPPERX(yuv2, rgb_full, rgbx32_full, PIX_FMT_RGBA, 0); YUV2RGBWRAPPERX(yuv2, rgb_full, xrgb32_full, PIX_FMT_ARGB, 0); #endif YUV2RGBWRAPPERX(yuv2, rgb_full, bgr24_full, PIX_FMT_BGR24, 0); YUV2RGBWRAPPERX(yuv2, rgb_full, rgb24_full, PIX_FMT_RGB24, 0); static av_always_inline void fillPlane(uint8_t* plane, int stride, int width, int height, int y, uint8_t val) { int i; uint8_t *ptr = plane + stride*y; for (i=0; i> RGB2YUV_SHIFT; } } static av_always_inline void rgb48ToUV_c_template(uint16_t *dstU, uint16_t *dstV, const uint16_t *src1, const uint16_t *src2, int width, enum PixelFormat origin) { int i; assert(src1==src2); for (i = 0; i < width; i++) { int r_b = input_pixel(&src1[i*3+0]); int g = input_pixel(&src1[i*3+1]); int b_r = input_pixel(&src1[i*3+2]); dstU[i] = (RU*r + GU*g + BU*b + (0x10001<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT; dstV[i] = (RV*r + GV*g + BV*b + (0x10001<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT; } } static av_always_inline void rgb48ToUV_half_c_template(uint16_t *dstU, uint16_t *dstV, const uint16_t *src1, const uint16_t *src2, int width, enum PixelFormat origin) { int i; assert(src1==src2); for (i = 0; i < width; i++) { int r_b = (input_pixel(&src1[6 * i + 0]) + input_pixel(&src1[6 * i + 3]) + 1) >> 1; int g = (input_pixel(&src1[6 * i + 1]) + input_pixel(&src1[6 * i + 4]) + 1) >> 1; int b_r = (input_pixel(&src1[6 * i + 2]) + input_pixel(&src1[6 * i + 5]) + 1) >> 1; dstU[i]= (RU*r + GU*g + BU*b + (0x10001<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT; dstV[i]= (RV*r + GV*g + BV*b + (0x10001<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT; } } #undef r #undef b #undef input_pixel #define rgb48funcs(pattern, BE_LE, origin) \ static void pattern ## 48 ## BE_LE ## ToY_c(uint8_t *_dst, const uint8_t *_src, const uint8_t *unused0, const uint8_t *unused1,\ int width, uint32_t *unused) \ { \ const uint16_t *src = (const uint16_t *) _src; \ uint16_t *dst = (uint16_t *) _dst; \ rgb48ToY_c_template(dst, src, width, origin); \ } \ \ static void pattern ## 48 ## BE_LE ## ToUV_c(uint8_t *_dstU, uint8_t *_dstV, \ const uint8_t *unused0, const uint8_t *_src1, const uint8_t *_src2, \ int width, uint32_t *unused) \ { \ const uint16_t *src1 = (const uint16_t *) _src1, \ *src2 = (const uint16_t *) _src2; \ uint16_t *dstU = (uint16_t *) _dstU, *dstV = (uint16_t *) _dstV; \ rgb48ToUV_c_template(dstU, dstV, src1, src2, width, origin); \ } \ \ static void pattern ## 48 ## BE_LE ## ToUV_half_c(uint8_t *_dstU, uint8_t *_dstV, \ const uint8_t *unused0, const uint8_t *_src1, const uint8_t *_src2, \ int width, uint32_t *unused) \ { \ const uint16_t *src1 = (const uint16_t *) _src1, \ *src2 = (const uint16_t *) _src2; \ uint16_t *dstU = (uint16_t *) _dstU, *dstV = (uint16_t *) _dstV; \ rgb48ToUV_half_c_template(dstU, dstV, src1, src2, width, origin); \ } rgb48funcs(rgb, LE, PIX_FMT_RGB48LE); rgb48funcs(rgb, BE, PIX_FMT_RGB48BE); rgb48funcs(bgr, LE, PIX_FMT_BGR48LE); rgb48funcs(bgr, BE, PIX_FMT_BGR48BE); #define input_pixel(i) ((origin == PIX_FMT_RGBA || origin == PIX_FMT_BGRA || \ origin == PIX_FMT_ARGB || origin == PIX_FMT_ABGR) ? AV_RN32A(&src[(i)*4]) : \ (isBE(origin) ? AV_RB16(&src[(i)*2]) : AV_RL16(&src[(i)*2]))) static av_always_inline void rgb16_32ToY_c_template(int16_t *dst, const uint8_t *src, int width, enum PixelFormat origin, int shr, int shg, int shb, int shp, int maskr, int maskg, int maskb, int rsh, int gsh, int bsh, int S) { const int ry = RY << rsh, gy = GY << gsh, by = BY << bsh, rnd = (32<<((S)-1)) + (1<<(S-7)); int i; for (i = 0; i < width; i++) { int px = input_pixel(i) >> shp; int b = (px & maskb) >> shb; int g = (px & maskg) >> shg; int r = (px & maskr) >> shr; dst[i] = (ry * r + gy * g + by * b + rnd) >> ((S)-6); } } static av_always_inline void rgb16_32ToUV_c_template(int16_t *dstU, int16_t *dstV, const uint8_t *src, int width, enum PixelFormat origin, int shr, int shg, int shb, int shp, int maskr, int maskg, int maskb, int rsh, int gsh, int bsh, int S) { const int ru = RU << rsh, gu = GU << gsh, bu = BU << bsh, rv = RV << rsh, gv = GV << gsh, bv = BV << bsh, rnd = (256<<((S)-1)) + (1<<(S-7)); int i; for (i = 0; i < width; i++) { int px = input_pixel(i) >> shp; int b = (px & maskb) >> shb; int g = (px & maskg) >> shg; int r = (px & maskr) >> shr; dstU[i] = (ru * r + gu * g + bu * b + rnd) >> ((S)-6); dstV[i] = (rv * r + gv * g + bv * b + rnd) >> ((S)-6); } } static av_always_inline void rgb16_32ToUV_half_c_template(int16_t *dstU, int16_t *dstV, const uint8_t *src, int width, enum PixelFormat origin, int shr, int shg, int shb, int shp, int maskr, int maskg, int maskb, int rsh, int gsh, int bsh, int S) { const int ru = RU << rsh, gu = GU << gsh, bu = BU << bsh, rv = RV << rsh, gv = GV << gsh, bv = BV << bsh, rnd = (256U<<(S)) + (1<<(S-6)), maskgx = ~(maskr | maskb); int i; maskr |= maskr << 1; maskb |= maskb << 1; maskg |= maskg << 1; for (i = 0; i < width; i++) { int px0 = input_pixel(2 * i + 0) >> shp; int px1 = input_pixel(2 * i + 1) >> shp; int b, r, g = (px0 & maskgx) + (px1 & maskgx); int rb = px0 + px1 - g; b = (rb & maskb) >> shb; if (shp || origin == PIX_FMT_BGR565LE || origin == PIX_FMT_BGR565BE || origin == PIX_FMT_RGB565LE || origin == PIX_FMT_RGB565BE) { g >>= shg; } else { g = (g & maskg) >> shg; } r = (rb & maskr) >> shr; dstU[i] = (ru * r + gu * g + bu * b + (unsigned)rnd) >> ((S)-6+1); dstV[i] = (rv * r + gv * g + bv * b + (unsigned)rnd) >> ((S)-6+1); } } #undef input_pixel #define rgb16_32_wrapper(fmt, name, shr, shg, shb, shp, maskr, \ maskg, maskb, rsh, gsh, bsh, S) \ static void name ## ToY_c(uint8_t *dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2, \ int width, uint32_t *unused) \ { \ rgb16_32ToY_c_template((int16_t*)dst, src, width, fmt, \ shr, shg, shb, shp, \ maskr, maskg, maskb, rsh, gsh, bsh, S); \ } \ \ static void name ## ToUV_c(uint8_t *dstU, uint8_t *dstV, \ const uint8_t *unused0, const uint8_t *src, const uint8_t *dummy, \ int width, uint32_t *unused) \ { \ rgb16_32ToUV_c_template((int16_t*)dstU, (int16_t*)dstV, src, width, fmt, \ shr, shg, shb, shp, \ maskr, maskg, maskb, rsh, gsh, bsh, S); \ } \ \ static void name ## ToUV_half_c(uint8_t *dstU, uint8_t *dstV, \ const uint8_t *unused0, const uint8_t *src, const uint8_t *dummy, \ int width, uint32_t *unused) \ { \ rgb16_32ToUV_half_c_template((int16_t*)dstU, (int16_t*)dstV, src, width, fmt, \ shr, shg, shb, shp, \ maskr, maskg, maskb, rsh, gsh, bsh, S); \ } rgb16_32_wrapper(PIX_FMT_BGR32, bgr32, 16, 0, 0, 0, 0xFF0000, 0xFF00, 0x00FF, 8, 0, 8, RGB2YUV_SHIFT+8); rgb16_32_wrapper(PIX_FMT_BGR32_1, bgr321, 16, 0, 0, 8, 0xFF0000, 0xFF00, 0x00FF, 8, 0, 8, RGB2YUV_SHIFT+8); rgb16_32_wrapper(PIX_FMT_RGB32, rgb32, 0, 0, 16, 0, 0x00FF, 0xFF00, 0xFF0000, 8, 0, 8, RGB2YUV_SHIFT+8); rgb16_32_wrapper(PIX_FMT_RGB32_1, rgb321, 0, 0, 16, 8, 0x00FF, 0xFF00, 0xFF0000, 8, 0, 8, RGB2YUV_SHIFT+8); rgb16_32_wrapper(PIX_FMT_BGR565LE, bgr16le, 0, 0, 0, 0, 0x001F, 0x07E0, 0xF800, 11, 5, 0, RGB2YUV_SHIFT+8); rgb16_32_wrapper(PIX_FMT_BGR555LE, bgr15le, 0, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, 10, 5, 0, RGB2YUV_SHIFT+7); rgb16_32_wrapper(PIX_FMT_RGB565LE, rgb16le, 0, 0, 0, 0, 0xF800, 0x07E0, 0x001F, 0, 5, 11, RGB2YUV_SHIFT+8); rgb16_32_wrapper(PIX_FMT_RGB555LE, rgb15le, 0, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, 0, 5, 10, RGB2YUV_SHIFT+7); rgb16_32_wrapper(PIX_FMT_BGR565BE, bgr16be, 0, 0, 0, 0, 0x001F, 0x07E0, 0xF800, 11, 5, 0, RGB2YUV_SHIFT+8); rgb16_32_wrapper(PIX_FMT_BGR555BE, bgr15be, 0, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, 10, 5, 0, RGB2YUV_SHIFT+7); rgb16_32_wrapper(PIX_FMT_RGB565BE, rgb16be, 0, 0, 0, 0, 0xF800, 0x07E0, 0x001F, 0, 5, 11, RGB2YUV_SHIFT+8); rgb16_32_wrapper(PIX_FMT_RGB555BE, rgb15be, 0, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, 0, 5, 10, RGB2YUV_SHIFT+7); static void gbr24pToY_c(uint16_t *dst, const uint8_t *gsrc, const uint8_t *bsrc, const uint8_t *rsrc, int width, uint32_t *unused) { int i; for (i = 0; i < width; i++) { unsigned int g = gsrc[i]; unsigned int b = bsrc[i]; unsigned int r = rsrc[i]; dst[i] = (RY*r + GY*g + BY*b + (0x801<<(RGB2YUV_SHIFT-7))) >> (RGB2YUV_SHIFT-6); } } static void gbr24pToUV_c(uint16_t *dstU, uint16_t *dstV, const uint8_t *gsrc, const uint8_t *bsrc, const uint8_t *rsrc, int width, enum PixelFormat origin) { int i; for (i = 0; i < width; i++) { unsigned int g = gsrc[i]; unsigned int b = bsrc[i]; unsigned int r = rsrc[i]; dstU[i] = (RU*r + GU*g + BU*b + (0x4001<<(RGB2YUV_SHIFT-7))) >> (RGB2YUV_SHIFT-6); dstV[i] = (RV*r + GV*g + BV*b + (0x4001<<(RGB2YUV_SHIFT-7))) >> (RGB2YUV_SHIFT-6); } } static void gbr24pToUV_half_c(uint16_t *dstU, uint16_t *dstV, const uint8_t *gsrc, const uint8_t *bsrc, const uint8_t *rsrc, int width, enum PixelFormat origin) { int i; for (i = 0; i < width; i++) { unsigned int g = gsrc[2*i] + gsrc[2*i+1]; unsigned int b = bsrc[2*i] + bsrc[2*i+1]; unsigned int r = rsrc[2*i] + rsrc[2*i+1]; dstU[i] = (RU*r + GU*g + BU*b + (0x4001<<(RGB2YUV_SHIFT-6))) >> (RGB2YUV_SHIFT-6+1); dstV[i] = (RV*r + GV*g + BV*b + (0x4001<<(RGB2YUV_SHIFT-6))) >> (RGB2YUV_SHIFT-6+1); } } static void abgrToA_c(int16_t *dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2, int width, uint32_t *unused) { int i; for (i=0; i> 24)<<6; } } static void palToY_c(int16_t *dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2, long width, uint32_t *pal) { int i; for (i=0; i> 8)<<6; dstV[i]= (uint8_t)(p>>16)<<6; } } static void monowhite2Y_c(int16_t *dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2, int width, uint32_t *unused) { int i, j; for (i=0; i>(7-j))&1)*16383; } if(width&7){ int d= ~src[i]; for(j=0; j<(width&7); j++) dst[8*i+j]= ((d>>(7-j))&1)*16383; } } static void monoblack2Y_c(int16_t *dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2, int width, uint32_t *unused) { int i, j; for (i=0; i>(7-j))&1)*16383; } if(width&7){ int d= src[i]; for(j=0; j<(width&7); j++) dst[8*i+j]= ((d>>(7-j))&1)*16383; } } //FIXME yuy2* can read up to 7 samples too much static void yuy2ToY_c(uint8_t *dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2, int width, uint32_t *unused) { int i; for (i=0; i>(RGB2YUV_SHIFT-6)); } } static void bgr24ToUV_c(int16_t *dstU, int16_t *dstV, const uint8_t *unused0, const uint8_t *src1, const uint8_t *src2, int width, uint32_t *unused) { int i; for (i=0; i>(RGB2YUV_SHIFT-6); dstV[i]= (RV*r + GV*g + BV*b + (256<<(RGB2YUV_SHIFT-1)) + (1<<(RGB2YUV_SHIFT-7)))>>(RGB2YUV_SHIFT-6); } assert(src1 == src2); } static void bgr24ToUV_half_c(int16_t *dstU, int16_t *dstV, const uint8_t *unused0, const uint8_t *src1, const uint8_t *src2, int width, uint32_t *unused) { int i; for (i=0; i>(RGB2YUV_SHIFT-5); dstV[i]= (RV*r + GV*g + BV*b + (256<>(RGB2YUV_SHIFT-5); } assert(src1 == src2); } static void rgb24ToY_c(int16_t *dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2, int width, uint32_t *unused) { int i; for (i=0; i>(RGB2YUV_SHIFT-6)); } } static void rgb24ToUV_c(int16_t *dstU, int16_t *dstV, const uint8_t *unused0, const uint8_t *src1, const uint8_t *src2, int width, uint32_t *unused) { int i; assert(src1==src2); for (i=0; i>(RGB2YUV_SHIFT-6); dstV[i]= (RV*r + GV*g + BV*b + (256<<(RGB2YUV_SHIFT-1)) + (1<<(RGB2YUV_SHIFT-7)))>>(RGB2YUV_SHIFT-6); } } static void rgb24ToUV_half_c(int16_t *dstU, int16_t *dstV, const uint8_t *unused0, const uint8_t *src1, const uint8_t *src2, int width, uint32_t *unused) { int i; assert(src1==src2); for (i=0; i>(RGB2YUV_SHIFT-5); dstV[i]= (RV*r + GV*g + BV*b + (256<>(RGB2YUV_SHIFT-5); } } static void hScale16To19_c(SwsContext *c, int16_t *_dst, int dstW, const uint8_t *_src, const int16_t *filter, const int16_t *filterPos, int filterSize) { int i; int32_t *dst = (int32_t *) _dst; const uint16_t *src = (const uint16_t *) _src; int bits = av_pix_fmt_descriptors[c->srcFormat].comp[0].depth_minus1; int sh = bits - 4; if((isAnyRGB(c->srcFormat) || c->srcFormat==PIX_FMT_PAL8) && av_pix_fmt_descriptors[c->srcFormat].comp[0].depth_minus1<15) sh= 9; for (i = 0; i < dstW; i++) { int j; int srcPos = filterPos[i]; int val = 0; for (j = 0; j < filterSize; j++) { val += src[srcPos + j] * filter[filterSize * i + j]; } // filter=14 bit, input=16 bit, output=30 bit, >> 11 makes 19 bit dst[i] = FFMIN(val >> sh, (1 << 19) - 1); } } static void hScale16To15_c(SwsContext *c, int16_t *dst, int dstW, const uint8_t *_src, const int16_t *filter, const int16_t *filterPos, int filterSize) { int i; const uint16_t *src = (const uint16_t *) _src; int sh = av_pix_fmt_descriptors[c->srcFormat].comp[0].depth_minus1; if(sh<15) sh= isAnyRGB(c->srcFormat) || c->srcFormat==PIX_FMT_PAL8 ? 13 : av_pix_fmt_descriptors[c->srcFormat].comp[0].depth_minus1; for (i = 0; i < dstW; i++) { int j; int srcPos = filterPos[i]; int val = 0; for (j = 0; j < filterSize; j++) { val += src[srcPos + j] * filter[filterSize * i + j]; } // filter=14 bit, input=16 bit, output=30 bit, >> 15 makes 15 bit dst[i] = FFMIN(val >> sh, (1 << 15) - 1); } } // bilinear / bicubic scaling static void hScale8To15_c(SwsContext *c, int16_t *dst, int dstW, const uint8_t *src, const int16_t *filter, const int16_t *filterPos, int filterSize) { int i; for (i=0; i>7, (1<<15)-1); // the cubic equation does overflow ... //dst[i] = val>>7; } } static void hScale8To19_c(SwsContext *c, int16_t *_dst, int dstW, const uint8_t *src, const int16_t *filter, const int16_t *filterPos, int filterSize) { int i; int32_t *dst = (int32_t *) _dst; for (i=0; i>3, (1<<19)-1); // the cubic equation does overflow ... //dst[i] = val>>7; } } //FIXME all pal and rgb srcFormats could do this convertion as well //FIXME all scalers more complex than bilinear could do half of this transform static void chrRangeToJpeg_c(int16_t *dstU, int16_t *dstV, int width) { int i; for (i = 0; i < width; i++) { dstU[i] = (FFMIN(dstU[i],30775)*4663 - 9289992)>>12; //-264 dstV[i] = (FFMIN(dstV[i],30775)*4663 - 9289992)>>12; //-264 } } static void chrRangeFromJpeg_c(int16_t *dstU, int16_t *dstV, int width) { int i; for (i = 0; i < width; i++) { dstU[i] = (dstU[i]*1799 + 4081085)>>11; //1469 dstV[i] = (dstV[i]*1799 + 4081085)>>11; //1469 } } static void lumRangeToJpeg_c(int16_t *dst, int width) { int i; for (i = 0; i < width; i++) dst[i] = (FFMIN(dst[i],30189)*19077 - 39057361)>>14; } static void lumRangeFromJpeg_c(int16_t *dst, int width) { int i; for (i = 0; i < width; i++) dst[i] = (dst[i]*14071 + 33561947)>>14; } static void chrRangeToJpeg16_c(int16_t *_dstU, int16_t *_dstV, int width) { int i; int32_t *dstU = (int32_t *) _dstU; int32_t *dstV = (int32_t *) _dstV; for (i = 0; i < width; i++) { dstU[i] = (FFMIN(dstU[i],30775<<4)*4663 - (9289992<<4))>>12; //-264 dstV[i] = (FFMIN(dstV[i],30775<<4)*4663 - (9289992<<4))>>12; //-264 } } static void chrRangeFromJpeg16_c(int16_t *_dstU, int16_t *_dstV, int width) { int i; int32_t *dstU = (int32_t *) _dstU; int32_t *dstV = (int32_t *) _dstV; for (i = 0; i < width; i++) { dstU[i] = (dstU[i]*1799 + (4081085<<4))>>11; //1469 dstV[i] = (dstV[i]*1799 + (4081085<<4))>>11; //1469 } } static void lumRangeToJpeg16_c(int16_t *_dst, int width) { int i; int32_t *dst = (int32_t *) _dst; for (i = 0; i < width; i++) dst[i] = (FFMIN(dst[i],30189<<4)*4769 - (39057361<<2))>>12; } static void lumRangeFromJpeg16_c(int16_t *_dst, int width) { int i; int32_t *dst = (int32_t *) _dst; for (i = 0; i < width; i++) dst[i] = (dst[i]*(14071/4) + (33561947<<4)/4)>>12; } static void hyscale_fast_c(SwsContext *c, int16_t *dst, int dstWidth, const uint8_t *src, int srcW, int xInc) { int i; unsigned int xpos=0; for (i=0;i>16; register unsigned int xalpha=(xpos&0xFFFF)>>9; dst[i]= (src[xx]<<7) + (src[xx+1] - src[xx])*xalpha; xpos+=xInc; } for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) dst[i] = src[srcW-1]*128; } // *** horizontal scale Y line to temp buffer static av_always_inline void hyscale(SwsContext *c, int16_t *dst, int dstWidth, const uint8_t *src, const uint8_t *src2, const uint8_t *src3, int srcW, int xInc, const int16_t *hLumFilter, const int16_t *hLumFilterPos, int hLumFilterSize, uint8_t *formatConvBuffer, uint32_t *pal, int isAlpha) { void (*toYV12)(uint8_t *, const uint8_t *, const uint8_t *, const uint8_t *, int, uint32_t *) = isAlpha ? c->alpToYV12 : c->lumToYV12; void (*convertRange)(int16_t *, int) = isAlpha ? NULL : c->lumConvertRange; if (toYV12) { toYV12(formatConvBuffer, src, src2, src3, srcW, pal); src= formatConvBuffer; } if (!c->hyscale_fast) { c->hyScale(c, dst, dstWidth, src, hLumFilter, hLumFilterPos, hLumFilterSize); } else { // fast bilinear upscale / crap downscale c->hyscale_fast(c, dst, dstWidth, src, srcW, xInc); } if (convertRange) convertRange(dst, dstWidth); } static void hcscale_fast_c(SwsContext *c, int16_t *dst1, int16_t *dst2, int dstWidth, const uint8_t *src1, const uint8_t *src2, int srcW, int xInc) { int i; unsigned int xpos=0; for (i=0;i>16; register unsigned int xalpha=(xpos&0xFFFF)>>9; dst1[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha); dst2[i]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha); xpos+=xInc; } for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) { dst1[i] = src1[srcW-1]*128; dst2[i] = src2[srcW-1]*128; } } static av_always_inline void hcscale(SwsContext *c, int16_t *dst1, int16_t *dst2, int dstWidth, const uint8_t *src0, const uint8_t *src1, const uint8_t *src2, int srcW, int xInc, const int16_t *hChrFilter, const int16_t *hChrFilterPos, int hChrFilterSize, uint8_t *formatConvBuffer, uint32_t *pal) { if (c->chrToYV12) { uint8_t *buf2 = formatConvBuffer + FFALIGN(srcW*2+78, 16); c->chrToYV12(formatConvBuffer, buf2, src0, src1, src2, srcW, pal); src1= formatConvBuffer; src2= buf2; } if (!c->hcscale_fast) { c->hcScale(c, dst1, dstWidth, src1, hChrFilter, hChrFilterPos, hChrFilterSize); c->hcScale(c, dst2, dstWidth, src2, hChrFilter, hChrFilterPos, hChrFilterSize); } else { // fast bilinear upscale / crap downscale c->hcscale_fast(c, dst1, dst2, dstWidth, src1, src2, srcW, xInc); } if (c->chrConvertRange) c->chrConvertRange(dst1, dst2, dstWidth); } static av_always_inline void find_c_packed_planar_out_funcs(SwsContext *c, yuv2planar1_fn *yuv2plane1, yuv2planarX_fn *yuv2planeX, yuv2interleavedX_fn *yuv2nv12cX, yuv2packed1_fn *yuv2packed1, yuv2packed2_fn *yuv2packed2, yuv2packedX_fn *yuv2packedX) { enum PixelFormat dstFormat = c->dstFormat; if (is16BPS(dstFormat)) { *yuv2planeX = isBE(dstFormat) ? yuv2planeX_16BE_c : yuv2planeX_16LE_c; *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_16BE_c : yuv2plane1_16LE_c; } else if (is9_OR_10BPS(dstFormat)) { if (av_pix_fmt_descriptors[dstFormat].comp[0].depth_minus1 == 8) { *yuv2planeX = isBE(dstFormat) ? yuv2planeX_9BE_c : yuv2planeX_9LE_c; *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_9BE_c : yuv2plane1_9LE_c; } else { *yuv2planeX = isBE(dstFormat) ? yuv2planeX_10BE_c : yuv2planeX_10LE_c; *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_10BE_c : yuv2plane1_10LE_c; } } else { *yuv2plane1 = yuv2plane1_8_c; *yuv2planeX = yuv2planeX_8_c; if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21) *yuv2nv12cX = yuv2nv12cX_c; } if(c->flags & SWS_FULL_CHR_H_INT) { switch (dstFormat) { case PIX_FMT_RGBA: #if CONFIG_SMALL *yuv2packedX = yuv2rgba32_full_X_c; #else #if CONFIG_SWSCALE_ALPHA if (c->alpPixBuf) { *yuv2packedX = yuv2rgba32_full_X_c; } else #endif /* CONFIG_SWSCALE_ALPHA */ { *yuv2packedX = yuv2rgbx32_full_X_c; } #endif /* !CONFIG_SMALL */ break; case PIX_FMT_ARGB: #if CONFIG_SMALL *yuv2packedX = yuv2argb32_full_X_c; #else #if CONFIG_SWSCALE_ALPHA if (c->alpPixBuf) { *yuv2packedX = yuv2argb32_full_X_c; } else #endif /* CONFIG_SWSCALE_ALPHA */ { *yuv2packedX = yuv2xrgb32_full_X_c; } #endif /* !CONFIG_SMALL */ break; case PIX_FMT_BGRA: #if CONFIG_SMALL *yuv2packedX = yuv2bgra32_full_X_c; #else #if CONFIG_SWSCALE_ALPHA if (c->alpPixBuf) { *yuv2packedX = yuv2bgra32_full_X_c; } else #endif /* CONFIG_SWSCALE_ALPHA */ { *yuv2packedX = yuv2bgrx32_full_X_c; } #endif /* !CONFIG_SMALL */ break; case PIX_FMT_ABGR: #if CONFIG_SMALL *yuv2packedX = yuv2abgr32_full_X_c; #else #if CONFIG_SWSCALE_ALPHA if (c->alpPixBuf) { *yuv2packedX = yuv2abgr32_full_X_c; } else #endif /* CONFIG_SWSCALE_ALPHA */ { *yuv2packedX = yuv2xbgr32_full_X_c; } #endif /* !CONFIG_SMALL */ break; case PIX_FMT_RGB24: *yuv2packedX = yuv2rgb24_full_X_c; break; case PIX_FMT_BGR24: *yuv2packedX = yuv2bgr24_full_X_c; break; } if(!*yuv2packedX) goto YUV_PACKED; } else { YUV_PACKED: switch (dstFormat) { case PIX_FMT_GRAY16BE: *yuv2packed1 = yuv2gray16BE_1_c; *yuv2packed2 = yuv2gray16BE_2_c; *yuv2packedX = yuv2gray16BE_X_c; break; case PIX_FMT_GRAY16LE: *yuv2packed1 = yuv2gray16LE_1_c; *yuv2packed2 = yuv2gray16LE_2_c; *yuv2packedX = yuv2gray16LE_X_c; break; case PIX_FMT_MONOWHITE: *yuv2packed1 = yuv2monowhite_1_c; *yuv2packed2 = yuv2monowhite_2_c; *yuv2packedX = yuv2monowhite_X_c; break; case PIX_FMT_MONOBLACK: *yuv2packed1 = yuv2monoblack_1_c; *yuv2packed2 = yuv2monoblack_2_c; *yuv2packedX = yuv2monoblack_X_c; break; case PIX_FMT_YUYV422: *yuv2packed1 = yuv2yuyv422_1_c; *yuv2packed2 = yuv2yuyv422_2_c; *yuv2packedX = yuv2yuyv422_X_c; break; case PIX_FMT_UYVY422: *yuv2packed1 = yuv2uyvy422_1_c; *yuv2packed2 = yuv2uyvy422_2_c; *yuv2packedX = yuv2uyvy422_X_c; break; case PIX_FMT_RGB48LE: *yuv2packed1 = yuv2rgb48le_1_c; *yuv2packed2 = yuv2rgb48le_2_c; *yuv2packedX = yuv2rgb48le_X_c; break; case PIX_FMT_RGB48BE: *yuv2packed1 = yuv2rgb48be_1_c; *yuv2packed2 = yuv2rgb48be_2_c; *yuv2packedX = yuv2rgb48be_X_c; break; case PIX_FMT_BGR48LE: *yuv2packed1 = yuv2bgr48le_1_c; *yuv2packed2 = yuv2bgr48le_2_c; *yuv2packedX = yuv2bgr48le_X_c; break; case PIX_FMT_BGR48BE: *yuv2packed1 = yuv2bgr48be_1_c; *yuv2packed2 = yuv2bgr48be_2_c; *yuv2packedX = yuv2bgr48be_X_c; break; case PIX_FMT_RGB32: case PIX_FMT_BGR32: #if CONFIG_SMALL *yuv2packed1 = yuv2rgb32_1_c; *yuv2packed2 = yuv2rgb32_2_c; *yuv2packedX = yuv2rgb32_X_c; #else #if CONFIG_SWSCALE_ALPHA if (c->alpPixBuf) { *yuv2packed1 = yuv2rgba32_1_c; *yuv2packed2 = yuv2rgba32_2_c; *yuv2packedX = yuv2rgba32_X_c; } else #endif /* CONFIG_SWSCALE_ALPHA */ { *yuv2packed1 = yuv2rgbx32_1_c; *yuv2packed2 = yuv2rgbx32_2_c; *yuv2packedX = yuv2rgbx32_X_c; } #endif /* !CONFIG_SMALL */ break; case PIX_FMT_RGB32_1: case PIX_FMT_BGR32_1: #if CONFIG_SMALL *yuv2packed1 = yuv2rgb32_1_1_c; *yuv2packed2 = yuv2rgb32_1_2_c; *yuv2packedX = yuv2rgb32_1_X_c; #else #if CONFIG_SWSCALE_ALPHA if (c->alpPixBuf) { *yuv2packed1 = yuv2rgba32_1_1_c; *yuv2packed2 = yuv2rgba32_1_2_c; *yuv2packedX = yuv2rgba32_1_X_c; } else #endif /* CONFIG_SWSCALE_ALPHA */ { *yuv2packed1 = yuv2rgbx32_1_1_c; *yuv2packed2 = yuv2rgbx32_1_2_c; *yuv2packedX = yuv2rgbx32_1_X_c; } #endif /* !CONFIG_SMALL */ break; case PIX_FMT_RGB24: *yuv2packed1 = yuv2rgb24_1_c; *yuv2packed2 = yuv2rgb24_2_c; *yuv2packedX = yuv2rgb24_X_c; break; case PIX_FMT_BGR24: *yuv2packed1 = yuv2bgr24_1_c; *yuv2packed2 = yuv2bgr24_2_c; *yuv2packedX = yuv2bgr24_X_c; break; case PIX_FMT_RGB565LE: case PIX_FMT_RGB565BE: case PIX_FMT_BGR565LE: case PIX_FMT_BGR565BE: *yuv2packed1 = yuv2rgb16_1_c; *yuv2packed2 = yuv2rgb16_2_c; *yuv2packedX = yuv2rgb16_X_c; break; case PIX_FMT_RGB555LE: case PIX_FMT_RGB555BE: case PIX_FMT_BGR555LE: case PIX_FMT_BGR555BE: *yuv2packed1 = yuv2rgb15_1_c; *yuv2packed2 = yuv2rgb15_2_c; *yuv2packedX = yuv2rgb15_X_c; break; case PIX_FMT_RGB444LE: case PIX_FMT_RGB444BE: case PIX_FMT_BGR444LE: case PIX_FMT_BGR444BE: *yuv2packed1 = yuv2rgb12_1_c; *yuv2packed2 = yuv2rgb12_2_c; *yuv2packedX = yuv2rgb12_X_c; break; case PIX_FMT_RGB8: case PIX_FMT_BGR8: *yuv2packed1 = yuv2rgb8_1_c; *yuv2packed2 = yuv2rgb8_2_c; *yuv2packedX = yuv2rgb8_X_c; break; case PIX_FMT_RGB4: case PIX_FMT_BGR4: *yuv2packed1 = yuv2rgb4_1_c; *yuv2packed2 = yuv2rgb4_2_c; *yuv2packedX = yuv2rgb4_X_c; break; case PIX_FMT_RGB4_BYTE: case PIX_FMT_BGR4_BYTE: *yuv2packed1 = yuv2rgb4b_1_c; *yuv2packed2 = yuv2rgb4b_2_c; *yuv2packedX = yuv2rgb4b_X_c; break; } } } #define DEBUG_SWSCALE_BUFFERS 0 #define DEBUG_BUFFERS(...) if (DEBUG_SWSCALE_BUFFERS) av_log(c, AV_LOG_DEBUG, __VA_ARGS__) static int swScale(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dst[], int dstStride[]) { /* load a few things into local vars to make the code more readable? and faster */ const int srcW= c->srcW; const int dstW= c->dstW; const int dstH= c->dstH; const int chrDstW= c->chrDstW; const int chrSrcW= c->chrSrcW; const int lumXInc= c->lumXInc; const int chrXInc= c->chrXInc; const enum PixelFormat dstFormat= c->dstFormat; const int flags= c->flags; int16_t *vLumFilterPos= c->vLumFilterPos; int16_t *vChrFilterPos= c->vChrFilterPos; int16_t *hLumFilterPos= c->hLumFilterPos; int16_t *hChrFilterPos= c->hChrFilterPos; int16_t *vLumFilter= c->vLumFilter; int16_t *vChrFilter= c->vChrFilter; int16_t *hLumFilter= c->hLumFilter; int16_t *hChrFilter= c->hChrFilter; int32_t *lumMmxFilter= c->lumMmxFilter; int32_t *chrMmxFilter= c->chrMmxFilter; int32_t av_unused *alpMmxFilter= c->alpMmxFilter; const int vLumFilterSize= c->vLumFilterSize; const int vChrFilterSize= c->vChrFilterSize; const int hLumFilterSize= c->hLumFilterSize; const int hChrFilterSize= c->hChrFilterSize; int16_t **lumPixBuf= c->lumPixBuf; int16_t **chrUPixBuf= c->chrUPixBuf; int16_t **chrVPixBuf= c->chrVPixBuf; int16_t **alpPixBuf= c->alpPixBuf; const int vLumBufSize= c->vLumBufSize; const int vChrBufSize= c->vChrBufSize; uint8_t *formatConvBuffer= c->formatConvBuffer; const int chrSrcSliceY= srcSliceY >> c->chrSrcVSubSample; const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample); int lastDstY; uint32_t *pal=c->pal_yuv; int should_dither= isNBPS(c->srcFormat) || is16BPS(c->srcFormat); yuv2planar1_fn yuv2plane1 = c->yuv2plane1; yuv2planarX_fn yuv2planeX = c->yuv2planeX; yuv2interleavedX_fn yuv2nv12cX = c->yuv2nv12cX; yuv2packed1_fn yuv2packed1 = c->yuv2packed1; yuv2packed2_fn yuv2packed2 = c->yuv2packed2; yuv2packedX_fn yuv2packedX = c->yuv2packedX; /* vars which will change and which we need to store back in the context */ int dstY= c->dstY; int lumBufIndex= c->lumBufIndex; int chrBufIndex= c->chrBufIndex; int lastInLumBuf= c->lastInLumBuf; int lastInChrBuf= c->lastInChrBuf; if (isPacked(c->srcFormat)) { src[0]= src[1]= src[2]= src[3]= src[0]; srcStride[0]= srcStride[1]= srcStride[2]= srcStride[3]= srcStride[0]; } srcStride[1]<<= c->vChrDrop; srcStride[2]<<= c->vChrDrop; DEBUG_BUFFERS("swScale() %p[%d] %p[%d] %p[%d] %p[%d] -> %p[%d] %p[%d] %p[%d] %p[%d]\n", src[0], srcStride[0], src[1], srcStride[1], src[2], srcStride[2], src[3], srcStride[3], dst[0], dstStride[0], dst[1], dstStride[1], dst[2], dstStride[2], dst[3], dstStride[3]); DEBUG_BUFFERS("srcSliceY: %d srcSliceH: %d dstY: %d dstH: %d\n", srcSliceY, srcSliceH, dstY, dstH); DEBUG_BUFFERS("vLumFilterSize: %d vLumBufSize: %d vChrFilterSize: %d vChrBufSize: %d\n", vLumFilterSize, vLumBufSize, vChrFilterSize, vChrBufSize); if (dstStride[0]%8 !=0 || dstStride[1]%8 !=0 || dstStride[2]%8 !=0 || dstStride[3]%8 != 0) { static int warnedAlready=0; //FIXME move this into the context perhaps if (flags & SWS_PRINT_INFO && !warnedAlready) { av_log(c, AV_LOG_WARNING, "Warning: dstStride is not aligned!\n" " ->cannot do aligned memory accesses anymore\n"); warnedAlready=1; } } /* Note the user might start scaling the picture in the middle so this will not get executed. This is not really intended but works currently, so people might do it. */ if (srcSliceY ==0) { lumBufIndex=-1; chrBufIndex=-1; dstY=0; lastInLumBuf= -1; lastInChrBuf= -1; } if (!should_dither) { c->chrDither8 = c->lumDither8 = ff_sws_pb_64; } lastDstY= dstY; for (;dstY < dstH; dstY++) { const int chrDstY= dstY>>c->chrDstVSubSample; uint8_t *dest[4] = { dst[0] + dstStride[0] * dstY, dst[1] + dstStride[1] * chrDstY, dst[2] + dstStride[2] * chrDstY, (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? dst[3] + dstStride[3] * dstY : NULL, }; const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input const int firstLumSrcY2= vLumFilterPos[FFMIN(dstY | ((1<chrDstVSubSample) - 1), dstH-1)]; const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input int lastLumSrcY= firstLumSrcY + vLumFilterSize -1; // Last line needed as input int lastLumSrcY2=firstLumSrcY2+ vLumFilterSize -1; // Last line needed as input int lastChrSrcY= firstChrSrcY + vChrFilterSize -1; // Last line needed as input int enough_lines; //handle holes (FAST_BILINEAR & weird filters) if (firstLumSrcY > lastInLumBuf) lastInLumBuf= firstLumSrcY-1; if (firstChrSrcY > lastInChrBuf) lastInChrBuf= firstChrSrcY-1; assert(firstLumSrcY >= lastInLumBuf - vLumBufSize + 1); assert(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1); DEBUG_BUFFERS("dstY: %d\n", dstY); DEBUG_BUFFERS("\tfirstLumSrcY: %d lastLumSrcY: %d lastInLumBuf: %d\n", firstLumSrcY, lastLumSrcY, lastInLumBuf); DEBUG_BUFFERS("\tfirstChrSrcY: %d lastChrSrcY: %d lastInChrBuf: %d\n", firstChrSrcY, lastChrSrcY, lastInChrBuf); // Do we have enough lines in this slice to output the dstY line enough_lines = lastLumSrcY2 < srcSliceY + srcSliceH && lastChrSrcY < -((-srcSliceY - srcSliceH)>>c->chrSrcVSubSample); if (!enough_lines) { lastLumSrcY = srcSliceY + srcSliceH - 1; lastChrSrcY = chrSrcSliceY + chrSrcSliceH - 1; DEBUG_BUFFERS("buffering slice: lastLumSrcY %d lastChrSrcY %d\n", lastLumSrcY, lastChrSrcY); } //Do horizontal scaling while(lastInLumBuf < lastLumSrcY) { const uint8_t *src1= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0]; const uint8_t *src2= src[1]+(lastInLumBuf + 1 - srcSliceY)*srcStride[1]; const uint8_t *src3= src[2]+(lastInLumBuf + 1 - srcSliceY)*srcStride[2]; const uint8_t *src4= src[3]+(lastInLumBuf + 1 - srcSliceY)*srcStride[3]; lumBufIndex++; assert(lumBufIndex < 2*vLumBufSize); assert(lastInLumBuf + 1 - srcSliceY < srcSliceH); assert(lastInLumBuf + 1 - srcSliceY >= 0); hyscale(c, lumPixBuf[ lumBufIndex ], dstW, src1, src2, src3, srcW, lumXInc, hLumFilter, hLumFilterPos, hLumFilterSize, formatConvBuffer, pal, 0); if (CONFIG_SWSCALE_ALPHA && alpPixBuf) hyscale(c, alpPixBuf[ lumBufIndex ], dstW, src4, NULL, NULL, srcW, lumXInc, hLumFilter, hLumFilterPos, hLumFilterSize, formatConvBuffer, pal, 1); lastInLumBuf++; DEBUG_BUFFERS("\t\tlumBufIndex %d: lastInLumBuf: %d\n", lumBufIndex, lastInLumBuf); } while(lastInChrBuf < lastChrSrcY) { const uint8_t *src0= src[0]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[0]; const uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1]; const uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2]; chrBufIndex++; assert(chrBufIndex < 2*vChrBufSize); assert(lastInChrBuf + 1 - chrSrcSliceY < (chrSrcSliceH)); assert(lastInChrBuf + 1 - chrSrcSliceY >= 0); //FIXME replace parameters through context struct (some at least) if (c->needs_hcscale) hcscale(c, chrUPixBuf[chrBufIndex], chrVPixBuf[chrBufIndex], chrDstW, src0, src1, src2, chrSrcW, chrXInc, hChrFilter, hChrFilterPos, hChrFilterSize, formatConvBuffer, pal); lastInChrBuf++; DEBUG_BUFFERS("\t\tchrBufIndex %d: lastInChrBuf: %d\n", chrBufIndex, lastInChrBuf); } //wrap buf index around to stay inside the ring buffer if (lumBufIndex >= vLumBufSize) lumBufIndex-= vLumBufSize; if (chrBufIndex >= vChrBufSize) chrBufIndex-= vChrBufSize; if (!enough_lines) break; //we can't output a dstY line so let's try with the next slice #if HAVE_MMX updateMMXDitherTables(c, dstY, lumBufIndex, chrBufIndex, lastInLumBuf, lastInChrBuf); #endif if (should_dither) { c->chrDither8 = dither_8x8_128[chrDstY & 7]; c->lumDither8 = dither_8x8_128[dstY & 7]; } if (dstY >= dstH-2) { // hmm looks like we can't use MMX here without overwriting this array's tail find_c_packed_planar_out_funcs(c, &yuv2plane1, &yuv2planeX, &yuv2nv12cX, &yuv2packed1, &yuv2packed2, &yuv2packedX); } { const int16_t **lumSrcPtr= (const int16_t **) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize; const int16_t **chrUSrcPtr= (const int16_t **) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize; const int16_t **chrVSrcPtr= (const int16_t **) chrVPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize; const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL; if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) { //YV12 like const int chrSkipMask= (1<chrDstVSubSample)-1; if (vLumFilterSize == 1) { yuv2plane1(lumSrcPtr[0], dest[0], dstW, c->lumDither8, 0); } else { yuv2planeX(vLumFilter + dstY * vLumFilterSize, vLumFilterSize, lumSrcPtr, dest[0], dstW, c->lumDither8, 0); } if (!((dstY&chrSkipMask) || isGray(dstFormat))) { if (yuv2nv12cX) { yuv2nv12cX(c, vChrFilter + chrDstY * vChrFilterSize, vChrFilterSize, chrUSrcPtr, chrVSrcPtr, dest[1], chrDstW); } else if (vChrFilterSize == 1) { yuv2plane1(chrUSrcPtr[0], dest[1], chrDstW, c->chrDither8, 0); yuv2plane1(chrVSrcPtr[0], dest[2], chrDstW, c->chrDither8, 3); } else { yuv2planeX(vChrFilter + chrDstY * vChrFilterSize, vChrFilterSize, chrUSrcPtr, dest[1], chrDstW, c->chrDither8, 0); yuv2planeX(vChrFilter + chrDstY * vChrFilterSize, vChrFilterSize, chrVSrcPtr, dest[2], chrDstW, c->chrDither8, 3); } } if (CONFIG_SWSCALE_ALPHA && alpPixBuf){ if (vLumFilterSize == 1) { yuv2plane1(alpSrcPtr[0], dest[3], dstW, c->lumDither8, 0); } else { yuv2planeX(vLumFilter + dstY * vLumFilterSize, vLumFilterSize, alpSrcPtr, dest[3], dstW, c->lumDither8, 0); } } } else { assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2); assert(chrUSrcPtr + vChrFilterSize - 1 < chrUPixBuf + vChrBufSize*2); if (c->yuv2packed1 && vLumFilterSize == 1 && vChrFilterSize == 2) { //unscaled RGB int chrAlpha = vChrFilter[2 * dstY + 1]; yuv2packed1(c, *lumSrcPtr, chrUSrcPtr, chrVSrcPtr, alpPixBuf ? *alpSrcPtr : NULL, dest[0], dstW, chrAlpha, dstY); } else if (c->yuv2packed2 && vLumFilterSize == 2 && vChrFilterSize == 2) { //bilinear upscale RGB int lumAlpha = vLumFilter[2 * dstY + 1]; int chrAlpha = vChrFilter[2 * dstY + 1]; lumMmxFilter[2] = lumMmxFilter[3] = vLumFilter[2 * dstY ] * 0x10001; chrMmxFilter[2] = chrMmxFilter[3] = vChrFilter[2 * chrDstY] * 0x10001; yuv2packed2(c, lumSrcPtr, chrUSrcPtr, chrVSrcPtr, alpPixBuf ? alpSrcPtr : NULL, dest[0], dstW, lumAlpha, chrAlpha, dstY); } else { //general RGB yuv2packedX(c, vLumFilter + dstY * vLumFilterSize, lumSrcPtr, vLumFilterSize, vChrFilter + dstY * vChrFilterSize, chrUSrcPtr, chrVSrcPtr, vChrFilterSize, alpSrcPtr, dest[0], dstW, dstY); } } } } if ((dstFormat == PIX_FMT_YUVA420P) && !alpPixBuf) fillPlane(dst[3], dstStride[3], dstW, dstY-lastDstY, lastDstY, 255); #if HAVE_MMX2 if (av_get_cpu_flags() & AV_CPU_FLAG_MMX2) __asm__ volatile("sfence":::"memory"); #endif emms_c(); /* store changed local vars back in the context */ c->dstY= dstY; c->lumBufIndex= lumBufIndex; c->chrBufIndex= chrBufIndex; c->lastInLumBuf= lastInLumBuf; c->lastInChrBuf= lastInChrBuf; return dstY - lastDstY; } static av_cold void sws_init_swScale_c(SwsContext *c) { enum PixelFormat srcFormat = c->srcFormat; find_c_packed_planar_out_funcs(c, &c->yuv2plane1, &c->yuv2planeX, &c->yuv2nv12cX, &c->yuv2packed1, &c->yuv2packed2, &c->yuv2packedX); c->chrToYV12 = NULL; switch(srcFormat) { case PIX_FMT_YUYV422 : c->chrToYV12 = yuy2ToUV_c; break; case PIX_FMT_UYVY422 : c->chrToYV12 = uyvyToUV_c; break; case PIX_FMT_NV12 : c->chrToYV12 = nv12ToUV_c; break; case PIX_FMT_NV21 : c->chrToYV12 = nv21ToUV_c; break; case PIX_FMT_RGB8 : case PIX_FMT_BGR8 : case PIX_FMT_PAL8 : case PIX_FMT_BGR4_BYTE: case PIX_FMT_RGB4_BYTE: c->chrToYV12 = palToUV_c; break; #if HAVE_BIGENDIAN case PIX_FMT_YUV444P9LE: case PIX_FMT_YUV422P9LE: case PIX_FMT_YUV420P9LE: case PIX_FMT_YUV422P10LE: case PIX_FMT_YUV420P10LE: case PIX_FMT_YUV444P10LE: case PIX_FMT_YUV420P16LE: case PIX_FMT_YUV422P16LE: case PIX_FMT_YUV444P16LE: c->chrToYV12 = bswap16UV_c; break; #else case PIX_FMT_YUV444P9BE: case PIX_FMT_YUV422P9BE: case PIX_FMT_YUV420P9BE: case PIX_FMT_YUV444P10BE: case PIX_FMT_YUV422P10BE: case PIX_FMT_YUV420P10BE: case PIX_FMT_YUV420P16BE: case PIX_FMT_YUV422P16BE: case PIX_FMT_YUV444P16BE: c->chrToYV12 = bswap16UV_c; break; #endif } if (c->chrSrcHSubSample) { switch(srcFormat) { case PIX_FMT_RGB48BE : c->chrToYV12 = rgb48BEToUV_half_c; break; case PIX_FMT_RGB48LE : c->chrToYV12 = rgb48LEToUV_half_c; break; case PIX_FMT_BGR48BE : c->chrToYV12 = bgr48BEToUV_half_c; break; case PIX_FMT_BGR48LE : c->chrToYV12 = bgr48LEToUV_half_c; break; case PIX_FMT_RGB32 : c->chrToYV12 = bgr32ToUV_half_c; break; case PIX_FMT_RGB32_1 : c->chrToYV12 = bgr321ToUV_half_c; break; case PIX_FMT_BGR24 : c->chrToYV12 = bgr24ToUV_half_c; break; case PIX_FMT_BGR565LE: c->chrToYV12 = bgr16leToUV_half_c; break; case PIX_FMT_BGR565BE: c->chrToYV12 = bgr16beToUV_half_c; break; case PIX_FMT_BGR555LE: c->chrToYV12 = bgr15leToUV_half_c; break; case PIX_FMT_BGR555BE: c->chrToYV12 = bgr15beToUV_half_c; break; case PIX_FMT_BGR32 : c->chrToYV12 = rgb32ToUV_half_c; break; case PIX_FMT_BGR32_1 : c->chrToYV12 = rgb321ToUV_half_c; break; case PIX_FMT_RGB24 : c->chrToYV12 = rgb24ToUV_half_c; break; case PIX_FMT_RGB565LE: c->chrToYV12 = rgb16leToUV_half_c; break; case PIX_FMT_RGB565BE: c->chrToYV12 = rgb16beToUV_half_c; break; case PIX_FMT_RGB555LE: c->chrToYV12 = rgb15leToUV_half_c; break; case PIX_FMT_RGB555BE: c->chrToYV12 = rgb15beToUV_half_c; break; case PIX_FMT_GBR24P : c->chrToYV12 = gbr24pToUV_half_c; break; } } else { switch(srcFormat) { case PIX_FMT_RGB48BE : c->chrToYV12 = rgb48BEToUV_c; break; case PIX_FMT_RGB48LE : c->chrToYV12 = rgb48LEToUV_c; break; case PIX_FMT_BGR48BE : c->chrToYV12 = bgr48BEToUV_c; break; case PIX_FMT_BGR48LE : c->chrToYV12 = bgr48LEToUV_c; break; case PIX_FMT_RGB32 : c->chrToYV12 = bgr32ToUV_c; break; case PIX_FMT_RGB32_1 : c->chrToYV12 = bgr321ToUV_c; break; case PIX_FMT_BGR24 : c->chrToYV12 = bgr24ToUV_c; break; case PIX_FMT_BGR565LE: c->chrToYV12 = bgr16leToUV_c; break; case PIX_FMT_BGR565BE: c->chrToYV12 = bgr16beToUV_c; break; case PIX_FMT_BGR555LE: c->chrToYV12 = bgr15leToUV_c; break; case PIX_FMT_BGR555BE: c->chrToYV12 = bgr15beToUV_c; break; case PIX_FMT_BGR32 : c->chrToYV12 = rgb32ToUV_c; break; case PIX_FMT_BGR32_1 : c->chrToYV12 = rgb321ToUV_c; break; case PIX_FMT_RGB24 : c->chrToYV12 = rgb24ToUV_c; break; case PIX_FMT_RGB565LE: c->chrToYV12 = rgb16leToUV_c; break; case PIX_FMT_RGB565BE: c->chrToYV12 = rgb16beToUV_c; break; case PIX_FMT_RGB555LE: c->chrToYV12 = rgb15leToUV_c; break; case PIX_FMT_RGB555BE: c->chrToYV12 = rgb15beToUV_c; break; case PIX_FMT_GBR24P : c->chrToYV12 = gbr24pToUV_c; break; } } c->lumToYV12 = NULL; c->alpToYV12 = NULL; switch (srcFormat) { #if HAVE_BIGENDIAN case PIX_FMT_YUV444P9LE: case PIX_FMT_YUV422P9LE: case PIX_FMT_YUV420P9LE: case PIX_FMT_YUV422P10LE: case PIX_FMT_YUV420P10LE: case PIX_FMT_YUV444P10LE: case PIX_FMT_YUV420P16LE: case PIX_FMT_YUV422P16LE: case PIX_FMT_YUV444P16LE: case PIX_FMT_GRAY16LE: c->lumToYV12 = bswap16Y_c; break; #else case PIX_FMT_YUV444P9BE: case PIX_FMT_YUV422P9BE: case PIX_FMT_YUV420P9BE: case PIX_FMT_YUV444P10BE: case PIX_FMT_YUV422P10BE: case PIX_FMT_YUV420P10BE: case PIX_FMT_YUV420P16BE: case PIX_FMT_YUV422P16BE: case PIX_FMT_YUV444P16BE: case PIX_FMT_GRAY16BE: c->lumToYV12 = bswap16Y_c; break; #endif case PIX_FMT_YUYV422 : case PIX_FMT_Y400A : c->lumToYV12 = yuy2ToY_c; break; case PIX_FMT_UYVY422 : c->lumToYV12 = uyvyToY_c; break; case PIX_FMT_BGR24 : c->lumToYV12 = bgr24ToY_c; break; case PIX_FMT_BGR565LE : c->lumToYV12 = bgr16leToY_c; break; case PIX_FMT_BGR565BE : c->lumToYV12 = bgr16beToY_c; break; case PIX_FMT_BGR555LE : c->lumToYV12 = bgr15leToY_c; break; case PIX_FMT_BGR555BE : c->lumToYV12 = bgr15beToY_c; break; case PIX_FMT_RGB24 : c->lumToYV12 = rgb24ToY_c; break; case PIX_FMT_RGB565LE : c->lumToYV12 = rgb16leToY_c; break; case PIX_FMT_RGB565BE : c->lumToYV12 = rgb16beToY_c; break; case PIX_FMT_RGB555LE : c->lumToYV12 = rgb15leToY_c; break; case PIX_FMT_RGB555BE : c->lumToYV12 = rgb15beToY_c; break; case PIX_FMT_RGB8 : case PIX_FMT_BGR8 : case PIX_FMT_PAL8 : case PIX_FMT_BGR4_BYTE: case PIX_FMT_RGB4_BYTE: c->lumToYV12 = palToY_c; break; case PIX_FMT_MONOBLACK: c->lumToYV12 = monoblack2Y_c; break; case PIX_FMT_MONOWHITE: c->lumToYV12 = monowhite2Y_c; break; case PIX_FMT_RGB32 : c->lumToYV12 = bgr32ToY_c; break; case PIX_FMT_RGB32_1: c->lumToYV12 = bgr321ToY_c; break; case PIX_FMT_BGR32 : c->lumToYV12 = rgb32ToY_c; break; case PIX_FMT_BGR32_1: c->lumToYV12 = rgb321ToY_c; break; case PIX_FMT_RGB48BE: c->lumToYV12 = rgb48BEToY_c; break; case PIX_FMT_RGB48LE: c->lumToYV12 = rgb48LEToY_c; break; case PIX_FMT_BGR48BE: c->lumToYV12 = bgr48BEToY_c; break; case PIX_FMT_BGR48LE: c->lumToYV12 = bgr48LEToY_c; break; case PIX_FMT_GBR24P : c->lumToYV12 = gbr24pToY_c ; break; } if (c->alpPixBuf) { switch (srcFormat) { case PIX_FMT_BGRA: case PIX_FMT_RGBA: c->alpToYV12 = rgbaToA_c; break; case PIX_FMT_ABGR: case PIX_FMT_ARGB: c->alpToYV12 = abgrToA_c; break; case PIX_FMT_Y400A: c->alpToYV12 = uyvyToY_c; break; case PIX_FMT_PAL8 : c->alpToYV12 = palToA_c; break; } } if (c->srcBpc == 8) { if (c->dstBpc <= 10) { c->hyScale = c->hcScale = hScale8To15_c; if (c->flags & SWS_FAST_BILINEAR) { c->hyscale_fast = hyscale_fast_c; c->hcscale_fast = hcscale_fast_c; } } else { c->hyScale = c->hcScale = hScale8To19_c; } } else { c->hyScale = c->hcScale = c->dstBpc > 10 ? hScale16To19_c : hScale16To15_c; } if (c->srcRange != c->dstRange && !isAnyRGB(c->dstFormat)) { if (c->dstBpc <= 10) { if (c->srcRange) { c->lumConvertRange = lumRangeFromJpeg_c; c->chrConvertRange = chrRangeFromJpeg_c; } else { c->lumConvertRange = lumRangeToJpeg_c; c->chrConvertRange = chrRangeToJpeg_c; } } else { if (c->srcRange) { c->lumConvertRange = lumRangeFromJpeg16_c; c->chrConvertRange = chrRangeFromJpeg16_c; } else { c->lumConvertRange = lumRangeToJpeg16_c; c->chrConvertRange = chrRangeToJpeg16_c; } } } if (!(isGray(srcFormat) || isGray(c->dstFormat) || srcFormat == PIX_FMT_MONOBLACK || srcFormat == PIX_FMT_MONOWHITE)) c->needs_hcscale = 1; } SwsFunc ff_getSwsFunc(SwsContext *c) { sws_init_swScale_c(c); if (HAVE_MMX) ff_sws_init_swScale_mmx(c); if (HAVE_ALTIVEC) ff_sws_init_swScale_altivec(c); return swScale; }