ffmpeg / libswscale / swscale.c @ 30c6fefd
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/*
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* Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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supported Input formats: YV12, I420/IYUV, YUY2, UYVY, BGR32, BGR32_1, BGR24, BGR16, BGR15, RGB32, RGB32_1, RGB24, Y8/Y800, YVU9/IF09, PAL8
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supported output formats: YV12, I420/IYUV, YUY2, UYVY, {BGR,RGB}{1,4,8,15,16,24,32}, Y8/Y800, YVU9/IF09
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{BGR,RGB}{1,4,8,15,16} support dithering
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unscaled special converters (YV12=I420=IYUV, Y800=Y8)
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YV12 -> {BGR,RGB}{1,4,8,12,15,16,24,32}
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x -> x
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YUV9 -> YV12
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YUV9/YV12 -> Y800
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Y800 -> YUV9/YV12
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BGR24 -> BGR32 & RGB24 -> RGB32
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BGR32 -> BGR24 & RGB32 -> RGB24
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BGR15 -> BGR16
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*/
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/*
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tested special converters (most are tested actually, but I did not write it down ...)
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YV12 -> BGR12/BGR16
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YV12 -> YV12
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BGR15 -> BGR16
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BGR16 -> BGR16
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YVU9 -> YV12
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untested special converters
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YV12/I420 -> BGR15/BGR24/BGR32 (it is the yuv2rgb stuff, so it should be OK)
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YV12/I420 -> YV12/I420
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YUY2/BGR15/BGR24/BGR32/RGB24/RGB32 -> same format
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BGR24 -> BGR32 & RGB24 -> RGB32
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BGR32 -> BGR24 & RGB32 -> RGB24
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BGR24 -> YV12
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*/
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#include <inttypes.h> |
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#include <string.h> |
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#include <math.h> |
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#include <stdio.h> |
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#include "config.h" |
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#include <assert.h> |
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#include "swscale.h" |
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#include "swscale_internal.h" |
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#include "rgb2rgb.h" |
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#include "libavutil/intreadwrite.h" |
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#include "libavutil/x86_cpu.h" |
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#include "libavutil/cpu.h" |
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#include "libavutil/avutil.h" |
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#include "libavutil/mathematics.h" |
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#include "libavutil/bswap.h" |
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#include "libavutil/pixdesc.h" |
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#undef MOVNTQ
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#undef PAVGB
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//#undef HAVE_MMX2
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//#define HAVE_AMD3DNOW
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//#undef HAVE_MMX
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//#undef ARCH_X86
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#define DITHER1XBPP
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#define FAST_BGR2YV12 // use 7 bit coefficients instead of 15 bit |
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#define isPacked(x) ( \
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(x)==PIX_FMT_PAL8 \ |
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|| (x)==PIX_FMT_YUYV422 \ |
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|| (x)==PIX_FMT_UYVY422 \ |
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|| (x)==PIX_FMT_Y400A \ |
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|| isAnyRGB(x) \ |
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) |
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#define RGB2YUV_SHIFT 15 |
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#define BY ( (int)(0.114*219/255*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define BV (-(int)(0.081*224/255*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define BU ( (int)(0.500*224/255*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define GY ( (int)(0.587*219/255*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define GV (-(int)(0.419*224/255*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define GU (-(int)(0.331*224/255*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define RY ( (int)(0.299*219/255*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define RV ( (int)(0.500*224/255*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define RU (-(int)(0.169*224/255*(1<<RGB2YUV_SHIFT)+0.5)) |
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static const double rgb2yuv_table[8][9]={ |
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{0.7152, 0.0722, 0.2126, -0.386, 0.5, -0.115, -0.454, -0.046, 0.5}, //ITU709 |
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{0.7152, 0.0722, 0.2126, -0.386, 0.5, -0.115, -0.454, -0.046, 0.5}, //ITU709 |
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{0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //DEFAULT / ITU601 / ITU624 / SMPTE 170M |
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{0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //DEFAULT / ITU601 / ITU624 / SMPTE 170M |
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{0.59 , 0.11 , 0.30 , -0.331, 0.5, -0.169, -0.421, -0.079, 0.5}, //FCC |
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{0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //DEFAULT / ITU601 / ITU624 / SMPTE 170M |
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{0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //DEFAULT / ITU601 / ITU624 / SMPTE 170M |
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{0.701 , 0.087 , 0.212 , -0.384, 0.5, -0.116, -0.445, -0.055, 0.5}, //SMPTE 240M |
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}; |
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/*
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NOTES
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Special versions: fast Y 1:1 scaling (no interpolation in y direction)
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TODO
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more intelligent misalignment avoidance for the horizontal scaler
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write special vertical cubic upscale version
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optimize C code (YV12 / minmax)
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add support for packed pixel YUV input & output
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add support for Y8 output
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optimize BGR24 & BGR32
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add BGR4 output support
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write special BGR->BGR scaler
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*/
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#if ARCH_X86
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DECLARE_ASM_CONST(8, uint64_t, bF8)= 0xF8F8F8F8F8F8F8F8LL; |
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DECLARE_ASM_CONST(8, uint64_t, bFC)= 0xFCFCFCFCFCFCFCFCLL; |
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DECLARE_ASM_CONST(8, uint64_t, w10)= 0x0010001000100010LL; |
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DECLARE_ASM_CONST(8, uint64_t, w02)= 0x0002000200020002LL; |
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DECLARE_ASM_CONST(8, uint64_t, bm00001111)=0x00000000FFFFFFFFLL; |
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DECLARE_ASM_CONST(8, uint64_t, bm00000111)=0x0000000000FFFFFFLL; |
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DECLARE_ASM_CONST(8, uint64_t, bm11111000)=0xFFFFFFFFFF000000LL; |
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DECLARE_ASM_CONST(8, uint64_t, bm01010101)=0x00FF00FF00FF00FFLL; |
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const DECLARE_ALIGNED(8, uint64_t, ff_dither4)[2] = { |
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0x0103010301030103LL,
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0x0200020002000200LL,};
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const DECLARE_ALIGNED(8, uint64_t, ff_dither8)[2] = { |
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0x0602060206020602LL,
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0x0004000400040004LL,};
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DECLARE_ASM_CONST(8, uint64_t, b16Mask)= 0x001F001F001F001FLL; |
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DECLARE_ASM_CONST(8, uint64_t, g16Mask)= 0x07E007E007E007E0LL; |
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DECLARE_ASM_CONST(8, uint64_t, r16Mask)= 0xF800F800F800F800LL; |
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DECLARE_ASM_CONST(8, uint64_t, b15Mask)= 0x001F001F001F001FLL; |
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DECLARE_ASM_CONST(8, uint64_t, g15Mask)= 0x03E003E003E003E0LL; |
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DECLARE_ASM_CONST(8, uint64_t, r15Mask)= 0x7C007C007C007C00LL; |
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DECLARE_ALIGNED(8, const uint64_t, ff_M24A) = 0x00FF0000FF0000FFLL; |
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DECLARE_ALIGNED(8, const uint64_t, ff_M24B) = 0xFF0000FF0000FF00LL; |
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DECLARE_ALIGNED(8, const uint64_t, ff_M24C) = 0x0000FF0000FF0000LL; |
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#ifdef FAST_BGR2YV12
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000000210041000DULL; |
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000FFEEFFDC0038ULL; |
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00000038FFD2FFF8ULL; |
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#else
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000020E540830C8BULL; |
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000ED0FDAC23831ULL; |
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00003831D0E6F6EAULL; |
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#endif /* FAST_BGR2YV12 */ |
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YOffset) = 0x1010101010101010ULL; |
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL; |
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DECLARE_ALIGNED(8, const uint64_t, ff_w1111) = 0x0001000100010001ULL; |
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DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY1Coeff) = 0x0C88000040870C88ULL; |
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DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY2Coeff) = 0x20DE4087000020DEULL; |
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DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY1Coeff) = 0x20DE0000408720DEULL; |
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DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY2Coeff) = 0x0C88408700000C88ULL; |
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DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toYOffset) = 0x0008400000084000ULL; |
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DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUV)[2][4] = { |
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{0x38380000DAC83838ULL, 0xECFFDAC80000ECFFULL, 0xF6E40000D0E3F6E4ULL, 0x3838D0E300003838ULL}, |
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{0xECFF0000DAC8ECFFULL, 0x3838DAC800003838ULL, 0x38380000D0E33838ULL, 0xF6E4D0E30000F6E4ULL}, |
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}; |
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DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUVOffset)= 0x0040400000404000ULL; |
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#endif /* ARCH_X86 */ |
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DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_4)[2][8]={ |
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{ 1, 3, 1, 3, 1, 3, 1, 3, }, |
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{ 2, 0, 2, 0, 2, 0, 2, 0, }, |
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}; |
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DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_8)[2][8]={ |
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{ 6, 2, 6, 2, 6, 2, 6, 2, }, |
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{ 0, 4, 0, 4, 0, 4, 0, 4, }, |
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}; |
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DECLARE_ALIGNED(8, const uint8_t, dither_4x4_16)[4][8]={ |
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{ 8, 4, 11, 7, 8, 4, 11, 7, }, |
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{ 2, 14, 1, 13, 2, 14, 1, 13, }, |
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{ 10, 6, 9, 5, 10, 6, 9, 5, }, |
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{ 0, 12, 3, 15, 0, 12, 3, 15, }, |
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}; |
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DECLARE_ALIGNED(8, const uint8_t, dither_8x8_32)[8][8]={ |
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{ 17, 9, 23, 15, 16, 8, 22, 14, }, |
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{ 5, 29, 3, 27, 4, 28, 2, 26, }, |
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{ 21, 13, 19, 11, 20, 12, 18, 10, }, |
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{ 0, 24, 6, 30, 1, 25, 7, 31, }, |
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{ 16, 8, 22, 14, 17, 9, 23, 15, }, |
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{ 4, 28, 2, 26, 5, 29, 3, 27, }, |
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{ 20, 12, 18, 10, 21, 13, 19, 11, }, |
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{ 1, 25, 7, 31, 0, 24, 6, 30, }, |
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}; |
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DECLARE_ALIGNED(8, const uint8_t, dither_8x8_73)[8][8]={ |
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{ 0, 55, 14, 68, 3, 58, 17, 72, }, |
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{ 37, 18, 50, 32, 40, 22, 54, 35, }, |
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{ 9, 64, 5, 59, 13, 67, 8, 63, }, |
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{ 46, 27, 41, 23, 49, 31, 44, 26, }, |
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{ 2, 57, 16, 71, 1, 56, 15, 70, }, |
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{ 39, 21, 52, 34, 38, 19, 51, 33, }, |
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{ 11, 66, 7, 62, 10, 65, 6, 60, }, |
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{ 48, 30, 43, 25, 47, 29, 42, 24, }, |
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}; |
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#if 1 |
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DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={ |
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{117, 62, 158, 103, 113, 58, 155, 100, }, |
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{ 34, 199, 21, 186, 31, 196, 17, 182, }, |
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{144, 89, 131, 76, 141, 86, 127, 72, }, |
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{ 0, 165, 41, 206, 10, 175, 52, 217, }, |
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{110, 55, 151, 96, 120, 65, 162, 107, }, |
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{ 28, 193, 14, 179, 38, 203, 24, 189, }, |
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{138, 83, 124, 69, 148, 93, 134, 79, }, |
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{ 7, 172, 48, 213, 3, 168, 45, 210, }, |
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}; |
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#elif 1 |
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// tries to correct a gamma of 1.5
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DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={ |
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{ 0, 143, 18, 200, 2, 156, 25, 215, }, |
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{ 78, 28, 125, 64, 89, 36, 138, 74, }, |
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{ 10, 180, 3, 161, 16, 195, 8, 175, }, |
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{109, 51, 93, 38, 121, 60, 105, 47, }, |
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{ 1, 152, 23, 210, 0, 147, 20, 205, }, |
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{ 85, 33, 134, 71, 81, 30, 130, 67, }, |
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{ 14, 190, 6, 171, 12, 185, 5, 166, }, |
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{117, 57, 101, 44, 113, 54, 97, 41, }, |
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}; |
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#elif 1 |
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// tries to correct a gamma of 2.0
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DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={ |
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{ 0, 124, 8, 193, 0, 140, 12, 213, }, |
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{ 55, 14, 104, 42, 66, 19, 119, 52, }, |
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{ 3, 168, 1, 145, 6, 187, 3, 162, }, |
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{ 86, 31, 70, 21, 99, 39, 82, 28, }, |
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{ 0, 134, 11, 206, 0, 129, 9, 200, }, |
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{ 62, 17, 114, 48, 58, 16, 109, 45, }, |
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{ 5, 181, 2, 157, 4, 175, 1, 151, }, |
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{ 95, 36, 78, 26, 90, 34, 74, 24, }, |
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}; |
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#else
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// tries to correct a gamma of 2.5
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DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={ |
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{ 0, 107, 3, 187, 0, 125, 6, 212, }, |
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{ 39, 7, 86, 28, 49, 11, 102, 36, }, |
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{ 1, 158, 0, 131, 3, 180, 1, 151, }, |
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{ 68, 19, 52, 12, 81, 25, 64, 17, }, |
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{ 0, 119, 5, 203, 0, 113, 4, 195, }, |
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{ 45, 9, 96, 33, 42, 8, 91, 30, }, |
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{ 2, 172, 1, 144, 2, 165, 0, 137, }, |
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{ 77, 23, 60, 15, 72, 21, 56, 14, }, |
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}; |
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#endif
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static av_always_inline void yuv2yuvX16inC_template(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, |
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const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, |
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const int16_t **alpSrc, uint16_t *dest, uint16_t *uDest, uint16_t *vDest, uint16_t *aDest,
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int dstW, int chrDstW, int big_endian) |
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{ |
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//FIXME Optimize (just quickly written not optimized..)
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int i;
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for (i = 0; i < dstW; i++) { |
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int val = 1 << 10; |
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int j;
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for (j = 0; j < lumFilterSize; j++) |
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val += lumSrc[j][i] * lumFilter[j]; |
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if (big_endian) {
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AV_WB16(&dest[i], av_clip_uint16(val >> 11));
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} else {
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AV_WL16(&dest[i], av_clip_uint16(val >> 11));
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} |
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} |
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if (uDest) {
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for (i = 0; i < chrDstW; i++) { |
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int u = 1 << 10; |
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int v = 1 << 10; |
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int j;
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for (j = 0; j < chrFilterSize; j++) { |
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u += chrSrc[j][i ] * chrFilter[j]; |
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v += chrSrc[j][i + VOFW] * chrFilter[j]; |
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} |
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if (big_endian) {
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AV_WB16(&uDest[i], av_clip_uint16(u >> 11));
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AV_WB16(&vDest[i], av_clip_uint16(v >> 11));
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} else {
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AV_WL16(&uDest[i], av_clip_uint16(u >> 11));
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AV_WL16(&vDest[i], av_clip_uint16(v >> 11));
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} |
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} |
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} |
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if (CONFIG_SWSCALE_ALPHA && aDest) {
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for (i = 0; i < dstW; i++) { |
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int val = 1 << 10; |
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int j;
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for (j = 0; j < lumFilterSize; j++) |
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val += alpSrc[j][i] * lumFilter[j]; |
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if (big_endian) {
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AV_WB16(&aDest[i], av_clip_uint16(val >> 11));
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} else {
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AV_WL16(&aDest[i], av_clip_uint16(val >> 11));
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} |
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} |
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} |
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} |
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static inline void yuv2yuvX16inC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, |
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const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, |
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const int16_t **alpSrc, uint16_t *dest, uint16_t *uDest, uint16_t *vDest, uint16_t *aDest, int dstW, int chrDstW, |
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enum PixelFormat dstFormat)
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{ |
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if (isBE(dstFormat)) {
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yuv2yuvX16inC_template(lumFilter, lumSrc, lumFilterSize, |
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chrFilter, chrSrc, chrFilterSize, |
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alpSrc, |
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dest, uDest, vDest, aDest, |
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dstW, chrDstW, 1);
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} else {
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yuv2yuvX16inC_template(lumFilter, lumSrc, lumFilterSize, |
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chrFilter, chrSrc, chrFilterSize, |
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alpSrc, |
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dest, uDest, vDest, aDest, |
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dstW, chrDstW, 0);
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} |
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} |
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static inline void yuv2yuvXinC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, |
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const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, |
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const int16_t **alpSrc, uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, int dstW, int chrDstW) |
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{ |
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//FIXME Optimize (just quickly written not optimized..)
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int i;
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for (i=0; i<dstW; i++) { |
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int val=1<<18; |
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int j;
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for (j=0; j<lumFilterSize; j++) |
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val += lumSrc[j][i] * lumFilter[j]; |
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dest[i]= av_clip_uint8(val>>19);
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} |
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if (uDest)
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for (i=0; i<chrDstW; i++) { |
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int u=1<<18; |
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int v=1<<18; |
371 |
int j;
|
372 |
for (j=0; j<chrFilterSize; j++) { |
373 |
u += chrSrc[j][i] * chrFilter[j]; |
374 |
v += chrSrc[j][i + VOFW] * chrFilter[j]; |
375 |
} |
376 |
|
377 |
uDest[i]= av_clip_uint8(u>>19);
|
378 |
vDest[i]= av_clip_uint8(v>>19);
|
379 |
} |
380 |
|
381 |
if (CONFIG_SWSCALE_ALPHA && aDest)
|
382 |
for (i=0; i<dstW; i++) { |
383 |
int val=1<<18; |
384 |
int j;
|
385 |
for (j=0; j<lumFilterSize; j++) |
386 |
val += alpSrc[j][i] * lumFilter[j]; |
387 |
|
388 |
aDest[i]= av_clip_uint8(val>>19);
|
389 |
} |
390 |
|
391 |
} |
392 |
|
393 |
static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, |
394 |
const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, |
395 |
uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat) |
396 |
{ |
397 |
//FIXME Optimize (just quickly written not optimized..)
|
398 |
int i;
|
399 |
for (i=0; i<dstW; i++) { |
400 |
int val=1<<18; |
401 |
int j;
|
402 |
for (j=0; j<lumFilterSize; j++) |
403 |
val += lumSrc[j][i] * lumFilter[j]; |
404 |
|
405 |
dest[i]= av_clip_uint8(val>>19);
|
406 |
} |
407 |
|
408 |
if (!uDest)
|
409 |
return;
|
410 |
|
411 |
if (dstFormat == PIX_FMT_NV12)
|
412 |
for (i=0; i<chrDstW; i++) { |
413 |
int u=1<<18; |
414 |
int v=1<<18; |
415 |
int j;
|
416 |
for (j=0; j<chrFilterSize; j++) { |
417 |
u += chrSrc[j][i] * chrFilter[j]; |
418 |
v += chrSrc[j][i + VOFW] * chrFilter[j]; |
419 |
} |
420 |
|
421 |
uDest[2*i]= av_clip_uint8(u>>19); |
422 |
uDest[2*i+1]= av_clip_uint8(v>>19); |
423 |
} |
424 |
else
|
425 |
for (i=0; i<chrDstW; i++) { |
426 |
int u=1<<18; |
427 |
int v=1<<18; |
428 |
int j;
|
429 |
for (j=0; j<chrFilterSize; j++) { |
430 |
u += chrSrc[j][i] * chrFilter[j]; |
431 |
v += chrSrc[j][i + VOFW] * chrFilter[j]; |
432 |
} |
433 |
|
434 |
uDest[2*i]= av_clip_uint8(v>>19); |
435 |
uDest[2*i+1]= av_clip_uint8(u>>19); |
436 |
} |
437 |
} |
438 |
|
439 |
#define YSCALE_YUV_2_PACKEDX_NOCLIP_C(type,alpha) \
|
440 |
for (i=0; i<(dstW>>1); i++) {\ |
441 |
int j;\
|
442 |
int Y1 = 1<<18;\ |
443 |
int Y2 = 1<<18;\ |
444 |
int U = 1<<18;\ |
445 |
int V = 1<<18;\ |
446 |
int av_unused A1, A2;\
|
447 |
type av_unused *r, *b, *g;\ |
448 |
const int i2= 2*i;\ |
449 |
\ |
450 |
for (j=0; j<lumFilterSize; j++) {\ |
451 |
Y1 += lumSrc[j][i2] * lumFilter[j];\ |
452 |
Y2 += lumSrc[j][i2+1] * lumFilter[j];\
|
453 |
}\ |
454 |
for (j=0; j<chrFilterSize; j++) {\ |
455 |
U += chrSrc[j][i] * chrFilter[j];\ |
456 |
V += chrSrc[j][i+VOFW] * chrFilter[j];\ |
457 |
}\ |
458 |
Y1>>=19;\
|
459 |
Y2>>=19;\
|
460 |
U >>=19;\
|
461 |
V >>=19;\
|
462 |
if (alpha) {\
|
463 |
A1 = 1<<18;\ |
464 |
A2 = 1<<18;\ |
465 |
for (j=0; j<lumFilterSize; j++) {\ |
466 |
A1 += alpSrc[j][i2 ] * lumFilter[j];\ |
467 |
A2 += alpSrc[j][i2+1] * lumFilter[j];\
|
468 |
}\ |
469 |
A1>>=19;\
|
470 |
A2>>=19;\
|
471 |
} |
472 |
|
473 |
#define YSCALE_YUV_2_PACKEDX_C(type,alpha) \
|
474 |
YSCALE_YUV_2_PACKEDX_NOCLIP_C(type,alpha)\ |
475 |
if ((Y1|Y2|U|V)&256) {\ |
476 |
if (Y1>255) Y1=255; \ |
477 |
else if (Y1<0)Y1=0; \ |
478 |
if (Y2>255) Y2=255; \ |
479 |
else if (Y2<0)Y2=0; \ |
480 |
if (U>255) U=255; \ |
481 |
else if (U<0) U=0; \ |
482 |
if (V>255) V=255; \ |
483 |
else if (V<0) V=0; \ |
484 |
}\ |
485 |
if (alpha && ((A1|A2)&256)) {\ |
486 |
A1=av_clip_uint8(A1);\ |
487 |
A2=av_clip_uint8(A2);\ |
488 |
} |
489 |
|
490 |
#define YSCALE_YUV_2_PACKEDX_FULL_C(rnd,alpha) \
|
491 |
for (i=0; i<dstW; i++) {\ |
492 |
int j;\
|
493 |
int Y = 0;\ |
494 |
int U = -128<<19;\ |
495 |
int V = -128<<19;\ |
496 |
int av_unused A;\
|
497 |
int R,G,B;\
|
498 |
\ |
499 |
for (j=0; j<lumFilterSize; j++) {\ |
500 |
Y += lumSrc[j][i ] * lumFilter[j];\ |
501 |
}\ |
502 |
for (j=0; j<chrFilterSize; j++) {\ |
503 |
U += chrSrc[j][i ] * chrFilter[j];\ |
504 |
V += chrSrc[j][i+VOFW] * chrFilter[j];\ |
505 |
}\ |
506 |
Y >>=10;\
|
507 |
U >>=10;\
|
508 |
V >>=10;\
|
509 |
if (alpha) {\
|
510 |
A = rnd;\ |
511 |
for (j=0; j<lumFilterSize; j++)\ |
512 |
A += alpSrc[j][i ] * lumFilter[j];\ |
513 |
A >>=19;\
|
514 |
if (A&256)\ |
515 |
A = av_clip_uint8(A);\ |
516 |
} |
517 |
|
518 |
#define YSCALE_YUV_2_RGBX_FULL_C(rnd,alpha) \
|
519 |
YSCALE_YUV_2_PACKEDX_FULL_C(rnd>>3,alpha)\
|
520 |
Y-= c->yuv2rgb_y_offset;\ |
521 |
Y*= c->yuv2rgb_y_coeff;\ |
522 |
Y+= rnd;\ |
523 |
R= Y + V*c->yuv2rgb_v2r_coeff;\ |
524 |
G= Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;\ |
525 |
B= Y + U*c->yuv2rgb_u2b_coeff;\ |
526 |
if ((R|G|B)&(0xC0000000)) {\ |
527 |
if (R>=(256<<22)) R=(256<<22)-1; \ |
528 |
else if (R<0)R=0; \ |
529 |
if (G>=(256<<22)) G=(256<<22)-1; \ |
530 |
else if (G<0)G=0; \ |
531 |
if (B>=(256<<22)) B=(256<<22)-1; \ |
532 |
else if (B<0)B=0; \ |
533 |
} |
534 |
|
535 |
#define YSCALE_YUV_2_GRAY16_C \
|
536 |
for (i=0; i<(dstW>>1); i++) {\ |
537 |
int j;\
|
538 |
int Y1 = 1<<18;\ |
539 |
int Y2 = 1<<18;\ |
540 |
int U = 1<<18;\ |
541 |
int V = 1<<18;\ |
542 |
\ |
543 |
const int i2= 2*i;\ |
544 |
\ |
545 |
for (j=0; j<lumFilterSize; j++) {\ |
546 |
Y1 += lumSrc[j][i2] * lumFilter[j];\ |
547 |
Y2 += lumSrc[j][i2+1] * lumFilter[j];\
|
548 |
}\ |
549 |
Y1>>=11;\
|
550 |
Y2>>=11;\
|
551 |
if ((Y1|Y2|U|V)&65536) {\ |
552 |
if (Y1>65535) Y1=65535; \ |
553 |
else if (Y1<0)Y1=0; \ |
554 |
if (Y2>65535) Y2=65535; \ |
555 |
else if (Y2<0)Y2=0; \ |
556 |
} |
557 |
|
558 |
#define YSCALE_YUV_2_RGBX_C(type,alpha) \
|
559 |
YSCALE_YUV_2_PACKEDX_C(type,alpha) /* FIXME fix tables so that clipping is not needed and then use _NOCLIP*/\
|
560 |
r = (type *)c->table_rV[V]; \ |
561 |
g = (type *)(c->table_gU[U] + c->table_gV[V]); \ |
562 |
b = (type *)c->table_bU[U]; |
563 |
|
564 |
#define YSCALE_YUV_2_PACKED2_C(type,alpha) \
|
565 |
for (i=0; i<(dstW>>1); i++) { \ |
566 |
const int i2= 2*i; \ |
567 |
int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>19; \ |
568 |
int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>19; \ |
569 |
int U= (uvbuf0[i ]*uvalpha1+uvbuf1[i ]*uvalpha)>>19; \ |
570 |
int V= (uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19; \ |
571 |
type av_unused *r, *b, *g; \ |
572 |
int av_unused A1, A2; \
|
573 |
if (alpha) {\
|
574 |
A1= (abuf0[i2 ]*yalpha1+abuf1[i2 ]*yalpha)>>19; \
|
575 |
A2= (abuf0[i2+1]*yalpha1+abuf1[i2+1]*yalpha)>>19; \ |
576 |
} |
577 |
|
578 |
#define YSCALE_YUV_2_GRAY16_2_C \
|
579 |
for (i=0; i<(dstW>>1); i++) { \ |
580 |
const int i2= 2*i; \ |
581 |
int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>11; \ |
582 |
int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>11; |
583 |
|
584 |
#define YSCALE_YUV_2_RGB2_C(type,alpha) \
|
585 |
YSCALE_YUV_2_PACKED2_C(type,alpha)\ |
586 |
r = (type *)c->table_rV[V];\ |
587 |
g = (type *)(c->table_gU[U] + c->table_gV[V]);\ |
588 |
b = (type *)c->table_bU[U]; |
589 |
|
590 |
#define YSCALE_YUV_2_PACKED1_C(type,alpha) \
|
591 |
for (i=0; i<(dstW>>1); i++) {\ |
592 |
const int i2= 2*i;\ |
593 |
int Y1= buf0[i2 ]>>7;\ |
594 |
int Y2= buf0[i2+1]>>7;\ |
595 |
int U= (uvbuf1[i ])>>7;\ |
596 |
int V= (uvbuf1[i+VOFW])>>7;\ |
597 |
type av_unused *r, *b, *g;\ |
598 |
int av_unused A1, A2;\
|
599 |
if (alpha) {\
|
600 |
A1= abuf0[i2 ]>>7;\
|
601 |
A2= abuf0[i2+1]>>7;\ |
602 |
} |
603 |
|
604 |
#define YSCALE_YUV_2_GRAY16_1_C \
|
605 |
for (i=0; i<(dstW>>1); i++) {\ |
606 |
const int i2= 2*i;\ |
607 |
int Y1= buf0[i2 ]<<1;\ |
608 |
int Y2= buf0[i2+1]<<1; |
609 |
|
610 |
#define YSCALE_YUV_2_RGB1_C(type,alpha) \
|
611 |
YSCALE_YUV_2_PACKED1_C(type,alpha)\ |
612 |
r = (type *)c->table_rV[V];\ |
613 |
g = (type *)(c->table_gU[U] + c->table_gV[V]);\ |
614 |
b = (type *)c->table_bU[U]; |
615 |
|
616 |
#define YSCALE_YUV_2_PACKED1B_C(type,alpha) \
|
617 |
for (i=0; i<(dstW>>1); i++) {\ |
618 |
const int i2= 2*i;\ |
619 |
int Y1= buf0[i2 ]>>7;\ |
620 |
int Y2= buf0[i2+1]>>7;\ |
621 |
int U= (uvbuf0[i ] + uvbuf1[i ])>>8;\ |
622 |
int V= (uvbuf0[i+VOFW] + uvbuf1[i+VOFW])>>8;\ |
623 |
type av_unused *r, *b, *g;\ |
624 |
int av_unused A1, A2;\
|
625 |
if (alpha) {\
|
626 |
A1= abuf0[i2 ]>>7;\
|
627 |
A2= abuf0[i2+1]>>7;\ |
628 |
} |
629 |
|
630 |
#define YSCALE_YUV_2_RGB1B_C(type,alpha) \
|
631 |
YSCALE_YUV_2_PACKED1B_C(type,alpha)\ |
632 |
r = (type *)c->table_rV[V];\ |
633 |
g = (type *)(c->table_gU[U] + c->table_gV[V]);\ |
634 |
b = (type *)c->table_bU[U]; |
635 |
|
636 |
#define YSCALE_YUV_2_MONO2_C \
|
637 |
const uint8_t * const d128=dither_8x8_220[y&7];\ |
638 |
uint8_t *g= c->table_gU[128] + c->table_gV[128];\ |
639 |
for (i=0; i<dstW-7; i+=8) {\ |
640 |
int acc;\
|
641 |
acc = g[((buf0[i ]*yalpha1+buf1[i ]*yalpha)>>19) + d128[0]];\ |
642 |
acc+= acc + g[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19) + d128[1]];\ |
643 |
acc+= acc + g[((buf0[i+2]*yalpha1+buf1[i+2]*yalpha)>>19) + d128[2]];\ |
644 |
acc+= acc + g[((buf0[i+3]*yalpha1+buf1[i+3]*yalpha)>>19) + d128[3]];\ |
645 |
acc+= acc + g[((buf0[i+4]*yalpha1+buf1[i+4]*yalpha)>>19) + d128[4]];\ |
646 |
acc+= acc + g[((buf0[i+5]*yalpha1+buf1[i+5]*yalpha)>>19) + d128[5]];\ |
647 |
acc+= acc + g[((buf0[i+6]*yalpha1+buf1[i+6]*yalpha)>>19) + d128[6]];\ |
648 |
acc+= acc + g[((buf0[i+7]*yalpha1+buf1[i+7]*yalpha)>>19) + d128[7]];\ |
649 |
((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\
|
650 |
dest++;\ |
651 |
} |
652 |
|
653 |
#define YSCALE_YUV_2_MONOX_C \
|
654 |
const uint8_t * const d128=dither_8x8_220[y&7];\ |
655 |
uint8_t *g= c->table_gU[128] + c->table_gV[128];\ |
656 |
int acc=0;\ |
657 |
for (i=0; i<dstW-1; i+=2) {\ |
658 |
int j;\
|
659 |
int Y1=1<<18;\ |
660 |
int Y2=1<<18;\ |
661 |
\ |
662 |
for (j=0; j<lumFilterSize; j++) {\ |
663 |
Y1 += lumSrc[j][i] * lumFilter[j];\ |
664 |
Y2 += lumSrc[j][i+1] * lumFilter[j];\
|
665 |
}\ |
666 |
Y1>>=19;\
|
667 |
Y2>>=19;\
|
668 |
if ((Y1|Y2)&256) {\ |
669 |
if (Y1>255) Y1=255;\ |
670 |
else if (Y1<0)Y1=0;\ |
671 |
if (Y2>255) Y2=255;\ |
672 |
else if (Y2<0)Y2=0;\ |
673 |
}\ |
674 |
acc+= acc + g[Y1+d128[(i+0)&7]];\ |
675 |
acc+= acc + g[Y2+d128[(i+1)&7]];\ |
676 |
if ((i&7)==6) {\ |
677 |
((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\
|
678 |
dest++;\ |
679 |
}\ |
680 |
} |
681 |
|
682 |
#define YSCALE_YUV_2_ANYRGB_C(func, func2, func_g16, func_monoblack)\
|
683 |
switch(c->dstFormat) {\
|
684 |
case PIX_FMT_RGB48BE:\
|
685 |
case PIX_FMT_RGB48LE:\
|
686 |
func(uint8_t,0)\
|
687 |
((uint8_t*)dest)[ 0]= r[Y1];\
|
688 |
((uint8_t*)dest)[ 1]= r[Y1];\
|
689 |
((uint8_t*)dest)[ 2]= g[Y1];\
|
690 |
((uint8_t*)dest)[ 3]= g[Y1];\
|
691 |
((uint8_t*)dest)[ 4]= b[Y1];\
|
692 |
((uint8_t*)dest)[ 5]= b[Y1];\
|
693 |
((uint8_t*)dest)[ 6]= r[Y2];\
|
694 |
((uint8_t*)dest)[ 7]= r[Y2];\
|
695 |
((uint8_t*)dest)[ 8]= g[Y2];\
|
696 |
((uint8_t*)dest)[ 9]= g[Y2];\
|
697 |
((uint8_t*)dest)[10]= b[Y2];\
|
698 |
((uint8_t*)dest)[11]= b[Y2];\
|
699 |
dest+=12;\
|
700 |
}\ |
701 |
break;\
|
702 |
case PIX_FMT_BGR48BE:\
|
703 |
case PIX_FMT_BGR48LE:\
|
704 |
func(uint8_t,0)\
|
705 |
((uint8_t*)dest)[ 0] = ((uint8_t*)dest)[ 1] = b[Y1];\ |
706 |
((uint8_t*)dest)[ 2] = ((uint8_t*)dest)[ 3] = g[Y1];\ |
707 |
((uint8_t*)dest)[ 4] = ((uint8_t*)dest)[ 5] = r[Y1];\ |
708 |
((uint8_t*)dest)[ 6] = ((uint8_t*)dest)[ 7] = b[Y2];\ |
709 |
((uint8_t*)dest)[ 8] = ((uint8_t*)dest)[ 9] = g[Y2];\ |
710 |
((uint8_t*)dest)[10] = ((uint8_t*)dest)[11] = r[Y2];\ |
711 |
dest+=12;\
|
712 |
}\ |
713 |
break;\
|
714 |
case PIX_FMT_RGBA:\
|
715 |
case PIX_FMT_BGRA:\
|
716 |
if (CONFIG_SMALL) {\
|
717 |
int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;\
|
718 |
func(uint32_t,needAlpha)\ |
719 |
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (needAlpha ? (A1<<24) : 0);\ |
720 |
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (needAlpha ? (A2<<24) : 0);\ |
721 |
}\ |
722 |
} else {\
|
723 |
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {\
|
724 |
func(uint32_t,1)\
|
725 |
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (A1<<24);\ |
726 |
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (A2<<24);\ |
727 |
}\ |
728 |
} else {\
|
729 |
func(uint32_t,0)\
|
730 |
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\
|
731 |
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\
|
732 |
}\ |
733 |
}\ |
734 |
}\ |
735 |
break;\
|
736 |
case PIX_FMT_ARGB:\
|
737 |
case PIX_FMT_ABGR:\
|
738 |
if (CONFIG_SMALL) {\
|
739 |
int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;\
|
740 |
func(uint32_t,needAlpha)\ |
741 |
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (needAlpha ? A1 : 0);\ |
742 |
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (needAlpha ? A2 : 0);\ |
743 |
}\ |
744 |
} else {\
|
745 |
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {\
|
746 |
func(uint32_t,1)\
|
747 |
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + A1;\
|
748 |
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + A2;\
|
749 |
}\ |
750 |
} else {\
|
751 |
func(uint32_t,0)\
|
752 |
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\
|
753 |
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\
|
754 |
}\ |
755 |
}\ |
756 |
} \ |
757 |
break;\
|
758 |
case PIX_FMT_RGB24:\
|
759 |
func(uint8_t,0)\
|
760 |
((uint8_t*)dest)[0]= r[Y1];\
|
761 |
((uint8_t*)dest)[1]= g[Y1];\
|
762 |
((uint8_t*)dest)[2]= b[Y1];\
|
763 |
((uint8_t*)dest)[3]= r[Y2];\
|
764 |
((uint8_t*)dest)[4]= g[Y2];\
|
765 |
((uint8_t*)dest)[5]= b[Y2];\
|
766 |
dest+=6;\
|
767 |
}\ |
768 |
break;\
|
769 |
case PIX_FMT_BGR24:\
|
770 |
func(uint8_t,0)\
|
771 |
((uint8_t*)dest)[0]= b[Y1];\
|
772 |
((uint8_t*)dest)[1]= g[Y1];\
|
773 |
((uint8_t*)dest)[2]= r[Y1];\
|
774 |
((uint8_t*)dest)[3]= b[Y2];\
|
775 |
((uint8_t*)dest)[4]= g[Y2];\
|
776 |
((uint8_t*)dest)[5]= r[Y2];\
|
777 |
dest+=6;\
|
778 |
}\ |
779 |
break;\
|
780 |
case PIX_FMT_RGB565BE:\
|
781 |
case PIX_FMT_RGB565LE:\
|
782 |
case PIX_FMT_BGR565BE:\
|
783 |
case PIX_FMT_BGR565LE:\
|
784 |
{\ |
785 |
const int dr1= dither_2x2_8[y&1 ][0];\ |
786 |
const int dg1= dither_2x2_4[y&1 ][0];\ |
787 |
const int db1= dither_2x2_8[(y&1)^1][0];\ |
788 |
const int dr2= dither_2x2_8[y&1 ][1];\ |
789 |
const int dg2= dither_2x2_4[y&1 ][1];\ |
790 |
const int db2= dither_2x2_8[(y&1)^1][1];\ |
791 |
func(uint16_t,0)\
|
792 |
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
|
793 |
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
|
794 |
}\ |
795 |
}\ |
796 |
break;\
|
797 |
case PIX_FMT_RGB555BE:\
|
798 |
case PIX_FMT_RGB555LE:\
|
799 |
case PIX_FMT_BGR555BE:\
|
800 |
case PIX_FMT_BGR555LE:\
|
801 |
{\ |
802 |
const int dr1= dither_2x2_8[y&1 ][0];\ |
803 |
const int dg1= dither_2x2_8[y&1 ][1];\ |
804 |
const int db1= dither_2x2_8[(y&1)^1][0];\ |
805 |
const int dr2= dither_2x2_8[y&1 ][1];\ |
806 |
const int dg2= dither_2x2_8[y&1 ][0];\ |
807 |
const int db2= dither_2x2_8[(y&1)^1][1];\ |
808 |
func(uint16_t,0)\
|
809 |
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
|
810 |
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
|
811 |
}\ |
812 |
}\ |
813 |
break;\
|
814 |
case PIX_FMT_RGB444BE:\
|
815 |
case PIX_FMT_RGB444LE:\
|
816 |
case PIX_FMT_BGR444BE:\
|
817 |
case PIX_FMT_BGR444LE:\
|
818 |
{\ |
819 |
const int dr1= dither_4x4_16[y&3 ][0];\ |
820 |
const int dg1= dither_4x4_16[y&3 ][1];\ |
821 |
const int db1= dither_4x4_16[(y&3)^3][0];\ |
822 |
const int dr2= dither_4x4_16[y&3 ][1];\ |
823 |
const int dg2= dither_4x4_16[y&3 ][0];\ |
824 |
const int db2= dither_4x4_16[(y&3)^3][1];\ |
825 |
func(uint16_t,0)\
|
826 |
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
|
827 |
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
|
828 |
}\ |
829 |
}\ |
830 |
break;\
|
831 |
case PIX_FMT_RGB8:\
|
832 |
case PIX_FMT_BGR8:\
|
833 |
{\ |
834 |
const uint8_t * const d64= dither_8x8_73[y&7];\ |
835 |
const uint8_t * const d32= dither_8x8_32[y&7];\ |
836 |
func(uint8_t,0)\
|
837 |
((uint8_t*)dest)[i2+0]= r[Y1+d32[(i2+0)&7]] + g[Y1+d32[(i2+0)&7]] + b[Y1+d64[(i2+0)&7]];\ |
838 |
((uint8_t*)dest)[i2+1]= r[Y2+d32[(i2+1)&7]] + g[Y2+d32[(i2+1)&7]] + b[Y2+d64[(i2+1)&7]];\ |
839 |
}\ |
840 |
}\ |
841 |
break;\
|
842 |
case PIX_FMT_RGB4:\
|
843 |
case PIX_FMT_BGR4:\
|
844 |
{\ |
845 |
const uint8_t * const d64= dither_8x8_73 [y&7];\ |
846 |
const uint8_t * const d128=dither_8x8_220[y&7];\ |
847 |
func(uint8_t,0)\
|
848 |
((uint8_t*)dest)[i]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]]\ |
849 |
+ ((r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]])<<4);\ |
850 |
}\ |
851 |
}\ |
852 |
break;\
|
853 |
case PIX_FMT_RGB4_BYTE:\
|
854 |
case PIX_FMT_BGR4_BYTE:\
|
855 |
{\ |
856 |
const uint8_t * const d64= dither_8x8_73 [y&7];\ |
857 |
const uint8_t * const d128=dither_8x8_220[y&7];\ |
858 |
func(uint8_t,0)\
|
859 |
((uint8_t*)dest)[i2+0]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];\ |
860 |
((uint8_t*)dest)[i2+1]= r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]];\ |
861 |
}\ |
862 |
}\ |
863 |
break;\
|
864 |
case PIX_FMT_MONOBLACK:\
|
865 |
case PIX_FMT_MONOWHITE:\
|
866 |
{\ |
867 |
func_monoblack\ |
868 |
}\ |
869 |
break;\
|
870 |
case PIX_FMT_YUYV422:\
|
871 |
func2\ |
872 |
((uint8_t*)dest)[2*i2+0]= Y1;\ |
873 |
((uint8_t*)dest)[2*i2+1]= U;\ |
874 |
((uint8_t*)dest)[2*i2+2]= Y2;\ |
875 |
((uint8_t*)dest)[2*i2+3]= V;\ |
876 |
} \ |
877 |
break;\
|
878 |
case PIX_FMT_UYVY422:\
|
879 |
func2\ |
880 |
((uint8_t*)dest)[2*i2+0]= U;\ |
881 |
((uint8_t*)dest)[2*i2+1]= Y1;\ |
882 |
((uint8_t*)dest)[2*i2+2]= V;\ |
883 |
((uint8_t*)dest)[2*i2+3]= Y2;\ |
884 |
} \ |
885 |
break;\
|
886 |
case PIX_FMT_GRAY16BE:\
|
887 |
func_g16\ |
888 |
((uint8_t*)dest)[2*i2+0]= Y1>>8;\ |
889 |
((uint8_t*)dest)[2*i2+1]= Y1;\ |
890 |
((uint8_t*)dest)[2*i2+2]= Y2>>8;\ |
891 |
((uint8_t*)dest)[2*i2+3]= Y2;\ |
892 |
} \ |
893 |
break;\
|
894 |
case PIX_FMT_GRAY16LE:\
|
895 |
func_g16\ |
896 |
((uint8_t*)dest)[2*i2+0]= Y1;\ |
897 |
((uint8_t*)dest)[2*i2+1]= Y1>>8;\ |
898 |
((uint8_t*)dest)[2*i2+2]= Y2;\ |
899 |
((uint8_t*)dest)[2*i2+3]= Y2>>8;\ |
900 |
} \ |
901 |
break;\
|
902 |
} |
903 |
|
904 |
static inline void yuv2packedXinC(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, |
905 |
const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, |
906 |
const int16_t **alpSrc, uint8_t *dest, int dstW, int y) |
907 |
{ |
908 |
int i;
|
909 |
YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGBX_C, YSCALE_YUV_2_PACKEDX_C(void,0), YSCALE_YUV_2_GRAY16_C, YSCALE_YUV_2_MONOX_C) |
910 |
} |
911 |
|
912 |
static inline void yuv2rgbXinC_full(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, |
913 |
const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, |
914 |
const int16_t **alpSrc, uint8_t *dest, int dstW, int y) |
915 |
{ |
916 |
int i;
|
917 |
int step= c->dstFormatBpp/8; |
918 |
int aidx= 3; |
919 |
|
920 |
switch(c->dstFormat) {
|
921 |
case PIX_FMT_ARGB:
|
922 |
dest++; |
923 |
aidx= 0;
|
924 |
case PIX_FMT_RGB24:
|
925 |
aidx--; |
926 |
case PIX_FMT_RGBA:
|
927 |
if (CONFIG_SMALL) {
|
928 |
int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;
|
929 |
YSCALE_YUV_2_RGBX_FULL_C(1<<21, needAlpha) |
930 |
dest[aidx]= needAlpha ? A : 255;
|
931 |
dest[0]= R>>22; |
932 |
dest[1]= G>>22; |
933 |
dest[2]= B>>22; |
934 |
dest+= step; |
935 |
} |
936 |
} else {
|
937 |
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
|
938 |
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 1) |
939 |
dest[aidx]= A; |
940 |
dest[0]= R>>22; |
941 |
dest[1]= G>>22; |
942 |
dest[2]= B>>22; |
943 |
dest+= step; |
944 |
} |
945 |
} else {
|
946 |
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 0) |
947 |
dest[aidx]= 255;
|
948 |
dest[0]= R>>22; |
949 |
dest[1]= G>>22; |
950 |
dest[2]= B>>22; |
951 |
dest+= step; |
952 |
} |
953 |
} |
954 |
} |
955 |
break;
|
956 |
case PIX_FMT_ABGR:
|
957 |
dest++; |
958 |
aidx= 0;
|
959 |
case PIX_FMT_BGR24:
|
960 |
aidx--; |
961 |
case PIX_FMT_BGRA:
|
962 |
if (CONFIG_SMALL) {
|
963 |
int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;
|
964 |
YSCALE_YUV_2_RGBX_FULL_C(1<<21, needAlpha) |
965 |
dest[aidx]= needAlpha ? A : 255;
|
966 |
dest[0]= B>>22; |
967 |
dest[1]= G>>22; |
968 |
dest[2]= R>>22; |
969 |
dest+= step; |
970 |
} |
971 |
} else {
|
972 |
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
|
973 |
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 1) |
974 |
dest[aidx]= A; |
975 |
dest[0]= B>>22; |
976 |
dest[1]= G>>22; |
977 |
dest[2]= R>>22; |
978 |
dest+= step; |
979 |
} |
980 |
} else {
|
981 |
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 0) |
982 |
dest[aidx]= 255;
|
983 |
dest[0]= B>>22; |
984 |
dest[1]= G>>22; |
985 |
dest[2]= R>>22; |
986 |
dest+= step; |
987 |
} |
988 |
} |
989 |
} |
990 |
break;
|
991 |
default:
|
992 |
assert(0);
|
993 |
} |
994 |
} |
995 |
|
996 |
static void fillPlane(uint8_t* plane, int stride, int width, int height, int y, uint8_t val) |
997 |
{ |
998 |
int i;
|
999 |
uint8_t *ptr = plane + stride*y; |
1000 |
for (i=0; i<height; i++) { |
1001 |
memset(ptr, val, width); |
1002 |
ptr += stride; |
1003 |
} |
1004 |
} |
1005 |
|
1006 |
static inline void rgb48ToY(uint8_t *dst, const uint8_t *src, long width, |
1007 |
uint32_t *unused) |
1008 |
{ |
1009 |
int i;
|
1010 |
for (i = 0; i < width; i++) { |
1011 |
int r = src[i*6+0]; |
1012 |
int g = src[i*6+2]; |
1013 |
int b = src[i*6+4]; |
1014 |
|
1015 |
dst[i] = (RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT; |
1016 |
} |
1017 |
} |
1018 |
|
1019 |
static inline void rgb48ToUV(uint8_t *dstU, uint8_t *dstV, |
1020 |
const uint8_t *src1, const uint8_t *src2, |
1021 |
long width, uint32_t *unused)
|
1022 |
{ |
1023 |
int i;
|
1024 |
assert(src1==src2); |
1025 |
for (i = 0; i < width; i++) { |
1026 |
int r = src1[6*i + 0]; |
1027 |
int g = src1[6*i + 2]; |
1028 |
int b = src1[6*i + 4]; |
1029 |
|
1030 |
dstU[i] = (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT; |
1031 |
dstV[i] = (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT; |
1032 |
} |
1033 |
} |
1034 |
|
1035 |
static inline void rgb48ToUV_half(uint8_t *dstU, uint8_t *dstV, |
1036 |
const uint8_t *src1, const uint8_t *src2, |
1037 |
long width, uint32_t *unused)
|
1038 |
{ |
1039 |
int i;
|
1040 |
assert(src1==src2); |
1041 |
for (i = 0; i < width; i++) { |
1042 |
int r= src1[12*i + 0] + src1[12*i + 6]; |
1043 |
int g= src1[12*i + 2] + src1[12*i + 8]; |
1044 |
int b= src1[12*i + 4] + src1[12*i + 10]; |
1045 |
|
1046 |
dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT+1); |
1047 |
dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT+1); |
1048 |
} |
1049 |
} |
1050 |
|
1051 |
static inline void bgr48ToY(uint8_t *dst, const uint8_t *src, long width, |
1052 |
uint32_t *unused) |
1053 |
{ |
1054 |
int i;
|
1055 |
for (i = 0; i < width; i++) { |
1056 |
int b = src[i*6+0]; |
1057 |
int g = src[i*6+2]; |
1058 |
int r = src[i*6+4]; |
1059 |
|
1060 |
dst[i] = (RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT; |
1061 |
} |
1062 |
} |
1063 |
|
1064 |
static inline void bgr48ToUV(uint8_t *dstU, uint8_t *dstV, |
1065 |
const uint8_t *src1, const uint8_t *src2, |
1066 |
long width, uint32_t *unused)
|
1067 |
{ |
1068 |
int i;
|
1069 |
for (i = 0; i < width; i++) { |
1070 |
int b = src1[6*i + 0]; |
1071 |
int g = src1[6*i + 2]; |
1072 |
int r = src1[6*i + 4]; |
1073 |
|
1074 |
dstU[i] = (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT; |
1075 |
dstV[i] = (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT; |
1076 |
} |
1077 |
} |
1078 |
|
1079 |
static inline void bgr48ToUV_half(uint8_t *dstU, uint8_t *dstV, |
1080 |
const uint8_t *src1, const uint8_t *src2, |
1081 |
long width, uint32_t *unused)
|
1082 |
{ |
1083 |
int i;
|
1084 |
for (i = 0; i < width; i++) { |
1085 |
int b= src1[12*i + 0] + src1[12*i + 6]; |
1086 |
int g= src1[12*i + 2] + src1[12*i + 8]; |
1087 |
int r= src1[12*i + 4] + src1[12*i + 10]; |
1088 |
|
1089 |
dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT+1); |
1090 |
dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT+1); |
1091 |
} |
1092 |
} |
1093 |
|
1094 |
#define BGR2Y(type, name, shr, shg, shb, maskr, maskg, maskb, RY, GY, BY, S)\
|
1095 |
static inline void name(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)\ |
1096 |
{\ |
1097 |
int i;\
|
1098 |
for (i=0; i<width; i++) {\ |
1099 |
int b= (((const type*)src)[i]>>shb)&maskb;\ |
1100 |
int g= (((const type*)src)[i]>>shg)&maskg;\ |
1101 |
int r= (((const type*)src)[i]>>shr)&maskr;\ |
1102 |
\ |
1103 |
dst[i]= (((RY)*r + (GY)*g + (BY)*b + (33<<((S)-1)))>>(S));\ |
1104 |
}\ |
1105 |
} |
1106 |
|
1107 |
BGR2Y(uint32_t, bgr32ToY,16, 0, 0, 0x00FF, 0xFF00, 0x00FF, RY<< 8, GY , BY<< 8, RGB2YUV_SHIFT+8) |
1108 |
BGR2Y(uint32_t,bgr321ToY,16,16, 0, 0xFF00, 0x00FF, 0xFF00, RY , GY<<8, BY , RGB2YUV_SHIFT+8) |
1109 |
BGR2Y(uint32_t, rgb32ToY, 0, 0,16, 0x00FF, 0xFF00, 0x00FF, RY<< 8, GY , BY<< 8, RGB2YUV_SHIFT+8) |
1110 |
BGR2Y(uint32_t,rgb321ToY, 0,16,16, 0xFF00, 0x00FF, 0xFF00, RY , GY<<8, BY , RGB2YUV_SHIFT+8) |
1111 |
BGR2Y(uint16_t, bgr16ToY, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RY<<11, GY<<5, BY , RGB2YUV_SHIFT+8) |
1112 |
BGR2Y(uint16_t, bgr15ToY, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RY<<10, GY<<5, BY , RGB2YUV_SHIFT+7) |
1113 |
BGR2Y(uint16_t, rgb16ToY, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RY , GY<<5, BY<<11, RGB2YUV_SHIFT+8) |
1114 |
BGR2Y(uint16_t, rgb15ToY, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RY , GY<<5, BY<<10, RGB2YUV_SHIFT+7) |
1115 |
|
1116 |
static inline void abgrToA(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused) |
1117 |
{ |
1118 |
int i;
|
1119 |
for (i=0; i<width; i++) { |
1120 |
dst[i]= src[4*i];
|
1121 |
} |
1122 |
} |
1123 |
|
1124 |
#define BGR2UV(type, name, shr, shg, shb, shp, maskr, maskg, maskb, RU, GU, BU, RV, GV, BV, S) \
|
1125 |
static inline void name(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, const uint8_t *dummy, long width, uint32_t *unused)\ |
1126 |
{\ |
1127 |
int i;\
|
1128 |
for (i=0; i<width; i++) {\ |
1129 |
int b= ((((const type*)src)[i]>>shp)&maskb)>>shb;\ |
1130 |
int g= ((((const type*)src)[i]>>shp)&maskg)>>shg;\ |
1131 |
int r= ((((const type*)src)[i]>>shp)&maskr)>>shr;\ |
1132 |
\ |
1133 |
dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<((S)-1)))>>(S);\ |
1134 |
dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<((S)-1)))>>(S);\ |
1135 |
}\ |
1136 |
}\ |
1137 |
static inline void name ## _half(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, const uint8_t *dummy, long width, uint32_t *unused)\ |
1138 |
{\ |
1139 |
int i;\
|
1140 |
for (i=0; i<width; i++) {\ |
1141 |
int pix0= ((const type*)src)[2*i+0]>>shp;\ |
1142 |
int pix1= ((const type*)src)[2*i+1]>>shp;\ |
1143 |
int g= (pix0&~(maskr|maskb))+(pix1&~(maskr|maskb));\
|
1144 |
int b= ((pix0+pix1-g)&(maskb|(2*maskb)))>>shb;\ |
1145 |
int r= ((pix0+pix1-g)&(maskr|(2*maskr)))>>shr;\ |
1146 |
g&= maskg|(2*maskg);\
|
1147 |
\ |
1148 |
g>>=shg;\ |
1149 |
\ |
1150 |
dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<(S)))>>((S)+1);\ |
1151 |
dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<(S)))>>((S)+1);\ |
1152 |
}\ |
1153 |
} |
1154 |
|
1155 |
BGR2UV(uint32_t, bgr32ToUV,16, 0, 0, 0, 0xFF0000, 0xFF00, 0x00FF, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8) |
1156 |
BGR2UV(uint32_t,bgr321ToUV,16, 0, 0, 8, 0xFF0000, 0xFF00, 0x00FF, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8) |
1157 |
BGR2UV(uint32_t, rgb32ToUV, 0, 0,16, 0, 0x00FF, 0xFF00, 0xFF0000, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8) |
1158 |
BGR2UV(uint32_t,rgb321ToUV, 0, 0,16, 8, 0x00FF, 0xFF00, 0xFF0000, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8) |
1159 |
BGR2UV(uint16_t, bgr16ToUV, 0, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RU<<11, GU<<5, BU , RV<<11, GV<<5, BV , RGB2YUV_SHIFT+8) |
1160 |
BGR2UV(uint16_t, bgr15ToUV, 0, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RU<<10, GU<<5, BU , RV<<10, GV<<5, BV , RGB2YUV_SHIFT+7) |
1161 |
BGR2UV(uint16_t, rgb16ToUV, 0, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RU , GU<<5, BU<<11, RV , GV<<5, BV<<11, RGB2YUV_SHIFT+8) |
1162 |
BGR2UV(uint16_t, rgb15ToUV, 0, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RU , GU<<5, BU<<10, RV , GV<<5, BV<<10, RGB2YUV_SHIFT+7) |
1163 |
|
1164 |
static inline void palToY(uint8_t *dst, const uint8_t *src, long width, uint32_t *pal) |
1165 |
{ |
1166 |
int i;
|
1167 |
for (i=0; i<width; i++) { |
1168 |
int d= src[i];
|
1169 |
|
1170 |
dst[i]= pal[d] & 0xFF;
|
1171 |
} |
1172 |
} |
1173 |
|
1174 |
static inline void palToUV(uint8_t *dstU, uint8_t *dstV, |
1175 |
const uint8_t *src1, const uint8_t *src2, |
1176 |
long width, uint32_t *pal)
|
1177 |
{ |
1178 |
int i;
|
1179 |
assert(src1 == src2); |
1180 |
for (i=0; i<width; i++) { |
1181 |
int p= pal[src1[i]];
|
1182 |
|
1183 |
dstU[i]= p>>8;
|
1184 |
dstV[i]= p>>16;
|
1185 |
} |
1186 |
} |
1187 |
|
1188 |
static inline void monowhite2Y(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused) |
1189 |
{ |
1190 |
int i, j;
|
1191 |
for (i=0; i<width/8; i++) { |
1192 |
int d= ~src[i];
|
1193 |
for(j=0; j<8; j++) |
1194 |
dst[8*i+j]= ((d>>(7-j))&1)*255; |
1195 |
} |
1196 |
} |
1197 |
|
1198 |
static inline void monoblack2Y(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused) |
1199 |
{ |
1200 |
int i, j;
|
1201 |
for (i=0; i<width/8; i++) { |
1202 |
int d= src[i];
|
1203 |
for(j=0; j<8; j++) |
1204 |
dst[8*i+j]= ((d>>(7-j))&1)*255; |
1205 |
} |
1206 |
} |
1207 |
|
1208 |
//Note: we have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW+MMX2 one
|
1209 |
//Plain C versions
|
1210 |
#if CONFIG_RUNTIME_CPUDETECT
|
1211 |
# define COMPILE_C 1 |
1212 |
# if ARCH_X86
|
1213 |
# define COMPILE_MMX 1 |
1214 |
# define COMPILE_MMX2 1 |
1215 |
# define COMPILE_3DNOW 1 |
1216 |
# elif ARCH_PPC
|
1217 |
# define COMPILE_ALTIVEC HAVE_ALTIVEC
|
1218 |
# endif
|
1219 |
#else /* CONFIG_RUNTIME_CPUDETECT */ |
1220 |
# if ARCH_X86
|
1221 |
# if HAVE_MMX2
|
1222 |
# define COMPILE_MMX2 1 |
1223 |
# elif HAVE_AMD3DNOW
|
1224 |
# define COMPILE_3DNOW 1 |
1225 |
# elif HAVE_MMX
|
1226 |
# define COMPILE_MMX 1 |
1227 |
# else
|
1228 |
# define COMPILE_C 1 |
1229 |
# endif
|
1230 |
# elif ARCH_PPC && HAVE_ALTIVEC
|
1231 |
# define COMPILE_ALTIVEC 1 |
1232 |
# else
|
1233 |
# define COMPILE_C 1 |
1234 |
# endif
|
1235 |
#endif
|
1236 |
|
1237 |
#ifndef COMPILE_C
|
1238 |
# define COMPILE_C 0 |
1239 |
#endif
|
1240 |
#ifndef COMPILE_MMX
|
1241 |
# define COMPILE_MMX 0 |
1242 |
#endif
|
1243 |
#ifndef COMPILE_MMX2
|
1244 |
# define COMPILE_MMX2 0 |
1245 |
#endif
|
1246 |
#ifndef COMPILE_3DNOW
|
1247 |
# define COMPILE_3DNOW 0 |
1248 |
#endif
|
1249 |
#ifndef COMPILE_ALTIVEC
|
1250 |
# define COMPILE_ALTIVEC 0 |
1251 |
#endif
|
1252 |
|
1253 |
#define COMPILE_TEMPLATE_MMX 0 |
1254 |
#define COMPILE_TEMPLATE_MMX2 0 |
1255 |
#define COMPILE_TEMPLATE_AMD3DNOW 0 |
1256 |
#define COMPILE_TEMPLATE_ALTIVEC 0 |
1257 |
|
1258 |
#if COMPILE_C
|
1259 |
#define RENAME(a) a ## _C |
1260 |
#include "swscale_template.c" |
1261 |
#endif
|
1262 |
|
1263 |
#if COMPILE_ALTIVEC
|
1264 |
#undef RENAME
|
1265 |
#undef COMPILE_TEMPLATE_ALTIVEC
|
1266 |
#define COMPILE_TEMPLATE_ALTIVEC 1 |
1267 |
#define RENAME(a) a ## _altivec |
1268 |
#include "swscale_template.c" |
1269 |
#endif
|
1270 |
|
1271 |
#if ARCH_X86
|
1272 |
|
1273 |
//MMX versions
|
1274 |
#if COMPILE_MMX
|
1275 |
#undef RENAME
|
1276 |
#undef COMPILE_TEMPLATE_MMX
|
1277 |
#undef COMPILE_TEMPLATE_MMX2
|
1278 |
#undef COMPILE_TEMPLATE_AMD3DNOW
|
1279 |
#define COMPILE_TEMPLATE_MMX 1 |
1280 |
#define COMPILE_TEMPLATE_MMX2 0 |
1281 |
#define COMPILE_TEMPLATE_AMD3DNOW 0 |
1282 |
#define RENAME(a) a ## _MMX |
1283 |
#include "swscale_template.c" |
1284 |
#endif
|
1285 |
|
1286 |
//MMX2 versions
|
1287 |
#if COMPILE_MMX2
|
1288 |
#undef RENAME
|
1289 |
#undef COMPILE_TEMPLATE_MMX
|
1290 |
#undef COMPILE_TEMPLATE_MMX2
|
1291 |
#undef COMPILE_TEMPLATE_AMD3DNOW
|
1292 |
#define COMPILE_TEMPLATE_MMX 1 |
1293 |
#define COMPILE_TEMPLATE_MMX2 1 |
1294 |
#define COMPILE_TEMPLATE_AMD3DNOW 0 |
1295 |
#define RENAME(a) a ## _MMX2 |
1296 |
#include "swscale_template.c" |
1297 |
#endif
|
1298 |
|
1299 |
//3DNOW versions
|
1300 |
#if COMPILE_3DNOW
|
1301 |
#undef RENAME
|
1302 |
#undef COMPILE_TEMPLATE_MMX
|
1303 |
#undef COMPILE_TEMPLATE_MMX2
|
1304 |
#undef COMPILE_TEMPLATE_AMD3DNOW
|
1305 |
#define COMPILE_TEMPLATE_MMX 1 |
1306 |
#define COMPILE_TEMPLATE_MMX2 0 |
1307 |
#define COMPILE_TEMPLATE_AMD3DNOW 1 |
1308 |
#define RENAME(a) a ## _3DNow |
1309 |
#include "swscale_template.c" |
1310 |
#endif
|
1311 |
|
1312 |
#endif //ARCH_X86 |
1313 |
|
1314 |
SwsFunc ff_getSwsFunc(SwsContext *c) |
1315 |
{ |
1316 |
#if CONFIG_RUNTIME_CPUDETECT
|
1317 |
int flags = c->flags;
|
1318 |
|
1319 |
int cpuflags = av_get_cpu_flags();
|
1320 |
|
1321 |
flags |= (cpuflags & AV_CPU_FLAG_MMX ? SWS_CPU_CAPS_MMX : 0);
|
1322 |
flags |= (cpuflags & AV_CPU_FLAG_MMX2 ? SWS_CPU_CAPS_MMX2 : 0);
|
1323 |
flags |= (cpuflags & AV_CPU_FLAG_3DNOW ? SWS_CPU_CAPS_3DNOW : 0);
|
1324 |
|
1325 |
#if ARCH_X86
|
1326 |
// ordered per speed fastest first
|
1327 |
if (flags & SWS_CPU_CAPS_MMX2) {
|
1328 |
sws_init_swScale_MMX2(c); |
1329 |
return swScale_MMX2;
|
1330 |
} else if (flags & SWS_CPU_CAPS_3DNOW) { |
1331 |
sws_init_swScale_3DNow(c); |
1332 |
return swScale_3DNow;
|
1333 |
} else if (flags & SWS_CPU_CAPS_MMX) { |
1334 |
sws_init_swScale_MMX(c); |
1335 |
return swScale_MMX;
|
1336 |
} else {
|
1337 |
sws_init_swScale_C(c); |
1338 |
return swScale_C;
|
1339 |
} |
1340 |
|
1341 |
#else
|
1342 |
#if COMPILE_ALTIVEC
|
1343 |
if (flags & SWS_CPU_CAPS_ALTIVEC) {
|
1344 |
sws_init_swScale_altivec(c); |
1345 |
return swScale_altivec;
|
1346 |
} else {
|
1347 |
sws_init_swScale_C(c); |
1348 |
return swScale_C;
|
1349 |
} |
1350 |
#endif
|
1351 |
sws_init_swScale_C(c); |
1352 |
return swScale_C;
|
1353 |
#endif /* ARCH_X86 */ |
1354 |
#else //CONFIG_RUNTIME_CPUDETECT |
1355 |
#if COMPILE_TEMPLATE_MMX2
|
1356 |
sws_init_swScale_MMX2(c); |
1357 |
return swScale_MMX2;
|
1358 |
#elif COMPILE_TEMPLATE_AMD3DNOW
|
1359 |
sws_init_swScale_3DNow(c); |
1360 |
return swScale_3DNow;
|
1361 |
#elif COMPILE_TEMPLATE_MMX
|
1362 |
sws_init_swScale_MMX(c); |
1363 |
return swScale_MMX;
|
1364 |
#elif COMPILE_TEMPLATE_ALTIVEC
|
1365 |
sws_init_swScale_altivec(c); |
1366 |
return swScale_altivec;
|
1367 |
#else
|
1368 |
sws_init_swScale_C(c); |
1369 |
return swScale_C;
|
1370 |
#endif
|
1371 |
#endif //!CONFIG_RUNTIME_CPUDETECT |
1372 |
} |
1373 |
|
1374 |
static void copyPlane(const uint8_t *src, int srcStride, |
1375 |
int srcSliceY, int srcSliceH, int width, |
1376 |
uint8_t *dst, int dstStride)
|
1377 |
{ |
1378 |
dst += dstStride * srcSliceY; |
1379 |
if (dstStride == srcStride && srcStride > 0) { |
1380 |
memcpy(dst, src, srcSliceH * dstStride); |
1381 |
} else {
|
1382 |
int i;
|
1383 |
for (i=0; i<srcSliceH; i++) { |
1384 |
memcpy(dst, src, width); |
1385 |
src += srcStride; |
1386 |
dst += dstStride; |
1387 |
} |
1388 |
} |
1389 |
} |
1390 |
|
1391 |
static int planarToNv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, |
1392 |
int srcSliceH, uint8_t* dstParam[], int dstStride[]) |
1393 |
{ |
1394 |
uint8_t *dst = dstParam[1] + dstStride[1]*srcSliceY/2; |
1395 |
|
1396 |
copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW, |
1397 |
dstParam[0], dstStride[0]); |
1398 |
|
1399 |
if (c->dstFormat == PIX_FMT_NV12)
|
1400 |
interleaveBytes(src[1], src[2], dst, c->srcW/2, srcSliceH/2, srcStride[1], srcStride[2], dstStride[0]); |
1401 |
else
|
1402 |
interleaveBytes(src[2], src[1], dst, c->srcW/2, srcSliceH/2, srcStride[2], srcStride[1], dstStride[0]); |
1403 |
|
1404 |
return srcSliceH;
|
1405 |
} |
1406 |
|
1407 |
static int planarToYuy2Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, |
1408 |
int srcSliceH, uint8_t* dstParam[], int dstStride[]) |
1409 |
{ |
1410 |
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; |
1411 |
|
1412 |
yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]); |
1413 |
|
1414 |
return srcSliceH;
|
1415 |
} |
1416 |
|
1417 |
static int planarToUyvyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, |
1418 |
int srcSliceH, uint8_t* dstParam[], int dstStride[]) |
1419 |
{ |
1420 |
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; |
1421 |
|
1422 |
yv12touyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]); |
1423 |
|
1424 |
return srcSliceH;
|
1425 |
} |
1426 |
|
1427 |
static int yuv422pToYuy2Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, |
1428 |
int srcSliceH, uint8_t* dstParam[], int dstStride[]) |
1429 |
{ |
1430 |
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; |
1431 |
|
1432 |
yuv422ptoyuy2(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]); |
1433 |
|
1434 |
return srcSliceH;
|
1435 |
} |
1436 |
|
1437 |
static int yuv422pToUyvyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, |
1438 |
int srcSliceH, uint8_t* dstParam[], int dstStride[]) |
1439 |
{ |
1440 |
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; |
1441 |
|
1442 |
yuv422ptouyvy(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]); |
1443 |
|
1444 |
return srcSliceH;
|
1445 |
} |
1446 |
|
1447 |
static int yuyvToYuv420Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, |
1448 |
int srcSliceH, uint8_t* dstParam[], int dstStride[]) |
1449 |
{ |
1450 |
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY; |
1451 |
uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY/2; |
1452 |
uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY/2; |
1453 |
|
1454 |
yuyvtoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); |
1455 |
|
1456 |
if (dstParam[3]) |
1457 |
fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); |
1458 |
|
1459 |
return srcSliceH;
|
1460 |
} |
1461 |
|
1462 |
static int yuyvToYuv422Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, |
1463 |
int srcSliceH, uint8_t* dstParam[], int dstStride[]) |
1464 |
{ |
1465 |
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY; |
1466 |
uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY; |
1467 |
uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY; |
1468 |
|
1469 |
yuyvtoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); |
1470 |
|
1471 |
return srcSliceH;
|
1472 |
} |
1473 |
|
1474 |
static int uyvyToYuv420Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, |
1475 |
int srcSliceH, uint8_t* dstParam[], int dstStride[]) |
1476 |
{ |
1477 |
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY; |
1478 |
uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY/2; |
1479 |
uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY/2; |
1480 |
|
1481 |
uyvytoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); |
1482 |
|
1483 |
if (dstParam[3]) |
1484 |
fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); |
1485 |
|
1486 |
return srcSliceH;
|
1487 |
} |
1488 |
|
1489 |
static int uyvyToYuv422Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, |
1490 |
int srcSliceH, uint8_t* dstParam[], int dstStride[]) |
1491 |
{ |
1492 |
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY; |
1493 |
uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY; |
1494 |
uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY; |
1495 |
|
1496 |
uyvytoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); |
1497 |
|
1498 |
return srcSliceH;
|
1499 |
} |
1500 |
|
1501 |
static void gray8aToPacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) |
1502 |
{ |
1503 |
long i;
|
1504 |
for (i=0; i<num_pixels; i++) |
1505 |
((uint32_t *) dst)[i] = ((const uint32_t *)palette)[src[i<<1]] | (src[(i<<1)+1] << 24); |
1506 |
} |
1507 |
|
1508 |
static void gray8aToPacked32_1(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) |
1509 |
{ |
1510 |
long i;
|
1511 |
|
1512 |
for (i=0; i<num_pixels; i++) |
1513 |
((uint32_t *) dst)[i] = ((const uint32_t *)palette)[src[i<<1]] | src[(i<<1)+1]; |
1514 |
} |
1515 |
|
1516 |
static void gray8aToPacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) |
1517 |
{ |
1518 |
long i;
|
1519 |
|
1520 |
for (i=0; i<num_pixels; i++) { |
1521 |
//FIXME slow?
|
1522 |
dst[0]= palette[src[i<<1]*4+0]; |
1523 |
dst[1]= palette[src[i<<1]*4+1]; |
1524 |
dst[2]= palette[src[i<<1]*4+2]; |
1525 |
dst+= 3;
|
1526 |
} |
1527 |
} |
1528 |
|
1529 |
static int palToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, |
1530 |
int srcSliceH, uint8_t* dst[], int dstStride[]) |
1531 |
{ |
1532 |
const enum PixelFormat srcFormat= c->srcFormat; |
1533 |
const enum PixelFormat dstFormat= c->dstFormat; |
1534 |
void (*conv)(const uint8_t *src, uint8_t *dst, long num_pixels, |
1535 |
const uint8_t *palette)=NULL; |
1536 |
int i;
|
1537 |
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; |
1538 |
const uint8_t *srcPtr= src[0]; |
1539 |
|
1540 |
if (srcFormat == PIX_FMT_Y400A) {
|
1541 |
switch (dstFormat) {
|
1542 |
case PIX_FMT_RGB32 : conv = gray8aToPacked32; break; |
1543 |
case PIX_FMT_BGR32 : conv = gray8aToPacked32; break; |
1544 |
case PIX_FMT_BGR32_1: conv = gray8aToPacked32_1; break; |
1545 |
case PIX_FMT_RGB32_1: conv = gray8aToPacked32_1; break; |
1546 |
case PIX_FMT_RGB24 : conv = gray8aToPacked24; break; |
1547 |
case PIX_FMT_BGR24 : conv = gray8aToPacked24; break; |
1548 |
} |
1549 |
} else if (usePal(srcFormat)) { |
1550 |
switch (dstFormat) {
|
1551 |
case PIX_FMT_RGB32 : conv = sws_convertPalette8ToPacked32; break; |
1552 |
case PIX_FMT_BGR32 : conv = sws_convertPalette8ToPacked32; break; |
1553 |
case PIX_FMT_BGR32_1: conv = sws_convertPalette8ToPacked32; break; |
1554 |
case PIX_FMT_RGB32_1: conv = sws_convertPalette8ToPacked32; break; |
1555 |
case PIX_FMT_RGB24 : conv = sws_convertPalette8ToPacked24; break; |
1556 |
case PIX_FMT_BGR24 : conv = sws_convertPalette8ToPacked24; break; |
1557 |
} |
1558 |
} |
1559 |
|
1560 |
if (!conv)
|
1561 |
av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
|
1562 |
sws_format_name(srcFormat), sws_format_name(dstFormat)); |
1563 |
else {
|
1564 |
for (i=0; i<srcSliceH; i++) { |
1565 |
conv(srcPtr, dstPtr, c->srcW, (uint8_t *) c->pal_rgb); |
1566 |
srcPtr+= srcStride[0];
|
1567 |
dstPtr+= dstStride[0];
|
1568 |
} |
1569 |
} |
1570 |
|
1571 |
return srcSliceH;
|
1572 |
} |
1573 |
|
1574 |
#define isRGBA32(x) ( \
|
1575 |
(x) == PIX_FMT_ARGB \ |
1576 |
|| (x) == PIX_FMT_RGBA \ |
1577 |
|| (x) == PIX_FMT_BGRA \ |
1578 |
|| (x) == PIX_FMT_ABGR \ |
1579 |
) |
1580 |
|
1581 |
/* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
|
1582 |
static int rgbToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, |
1583 |
int srcSliceH, uint8_t* dst[], int dstStride[]) |
1584 |
{ |
1585 |
const enum PixelFormat srcFormat= c->srcFormat; |
1586 |
const enum PixelFormat dstFormat= c->dstFormat; |
1587 |
const int srcBpp= (c->srcFormatBpp + 7) >> 3; |
1588 |
const int dstBpp= (c->dstFormatBpp + 7) >> 3; |
1589 |
const int srcId= c->srcFormatBpp >> 2; /* 1:0, 4:1, 8:2, 15:3, 16:4, 24:6, 32:8 */ |
1590 |
const int dstId= c->dstFormatBpp >> 2; |
1591 |
void (*conv)(const uint8_t *src, uint8_t *dst, long src_size)=NULL; |
1592 |
|
1593 |
#define CONV_IS(src, dst) (srcFormat == PIX_FMT_##src && dstFormat == PIX_FMT_##dst) |
1594 |
|
1595 |
if (isRGBA32(srcFormat) && isRGBA32(dstFormat)) {
|
1596 |
if ( CONV_IS(ABGR, RGBA)
|
1597 |
|| CONV_IS(ARGB, BGRA) |
1598 |
|| CONV_IS(BGRA, ARGB) |
1599 |
|| CONV_IS(RGBA, ABGR)) conv = shuffle_bytes_3210; |
1600 |
else if (CONV_IS(ABGR, ARGB) |
1601 |
|| CONV_IS(ARGB, ABGR)) conv = shuffle_bytes_0321; |
1602 |
else if (CONV_IS(ABGR, BGRA) |
1603 |
|| CONV_IS(ARGB, RGBA)) conv = shuffle_bytes_1230; |
1604 |
else if (CONV_IS(BGRA, RGBA) |
1605 |
|| CONV_IS(RGBA, BGRA)) conv = shuffle_bytes_2103; |
1606 |
else if (CONV_IS(BGRA, ABGR) |
1607 |
|| CONV_IS(RGBA, ARGB)) conv = shuffle_bytes_3012; |
1608 |
} else
|
1609 |
/* BGR -> BGR */
|
1610 |
if ( (isBGRinInt(srcFormat) && isBGRinInt(dstFormat))
|
1611 |
|| (isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) { |
1612 |
switch(srcId | (dstId<<4)) { |
1613 |
case 0x34: conv= rgb16to15; break; |
1614 |
case 0x36: conv= rgb24to15; break; |
1615 |
case 0x38: conv= rgb32to15; break; |
1616 |
case 0x43: conv= rgb15to16; break; |
1617 |
case 0x46: conv= rgb24to16; break; |
1618 |
case 0x48: conv= rgb32to16; break; |
1619 |
case 0x63: conv= rgb15to24; break; |
1620 |
case 0x64: conv= rgb16to24; break; |
1621 |
case 0x68: conv= rgb32to24; break; |
1622 |
case 0x83: conv= rgb15to32; break; |
1623 |
case 0x84: conv= rgb16to32; break; |
1624 |
case 0x86: conv= rgb24to32; break; |
1625 |
} |
1626 |
} else if ( (isBGRinInt(srcFormat) && isRGBinInt(dstFormat)) |
1627 |
|| (isRGBinInt(srcFormat) && isBGRinInt(dstFormat))) { |
1628 |
switch(srcId | (dstId<<4)) { |
1629 |
case 0x33: conv= rgb15tobgr15; break; |
1630 |
case 0x34: conv= rgb16tobgr15; break; |
1631 |
case 0x36: conv= rgb24tobgr15; break; |
1632 |
case 0x38: conv= rgb32tobgr15; break; |
1633 |
case 0x43: conv= rgb15tobgr16; break; |
1634 |
case 0x44: conv= rgb16tobgr16; break; |
1635 |
case 0x46: conv= rgb24tobgr16; break; |
1636 |
case 0x48: conv= rgb32tobgr16; break; |
1637 |
case 0x63: conv= rgb15tobgr24; break; |
1638 |
case 0x64: conv= rgb16tobgr24; break; |
1639 |
case 0x66: conv= rgb24tobgr24; break; |
1640 |
case 0x68: conv= rgb32tobgr24; break; |
1641 |
case 0x83: conv= rgb15tobgr32; break; |
1642 |
case 0x84: conv= rgb16tobgr32; break; |
1643 |
case 0x86: conv= rgb24tobgr32; break; |
1644 |
} |
1645 |
} |
1646 |
|
1647 |
if (!conv) {
|
1648 |
av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
|
1649 |
sws_format_name(srcFormat), sws_format_name(dstFormat)); |
1650 |
} else {
|
1651 |
const uint8_t *srcPtr= src[0]; |
1652 |
uint8_t *dstPtr= dst[0];
|
1653 |
if ((srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1) && !isRGBA32(dstFormat))
|
1654 |
srcPtr += ALT32_CORR; |
1655 |
|
1656 |
if ((dstFormat == PIX_FMT_RGB32_1 || dstFormat == PIX_FMT_BGR32_1) && !isRGBA32(srcFormat))
|
1657 |
dstPtr += ALT32_CORR; |
1658 |
|
1659 |
if (dstStride[0]*srcBpp == srcStride[0]*dstBpp && srcStride[0] > 0) |
1660 |
conv(srcPtr, dstPtr + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); |
1661 |
else {
|
1662 |
int i;
|
1663 |
dstPtr += dstStride[0]*srcSliceY;
|
1664 |
|
1665 |
for (i=0; i<srcSliceH; i++) { |
1666 |
conv(srcPtr, dstPtr, c->srcW*srcBpp); |
1667 |
srcPtr+= srcStride[0];
|
1668 |
dstPtr+= dstStride[0];
|
1669 |
} |
1670 |
} |
1671 |
} |
1672 |
return srcSliceH;
|
1673 |
} |
1674 |
|
1675 |
static int bgr24ToYv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, |
1676 |
int srcSliceH, uint8_t* dst[], int dstStride[]) |
1677 |
{ |
1678 |
rgb24toyv12( |
1679 |
src[0],
|
1680 |
dst[0]+ srcSliceY *dstStride[0], |
1681 |
dst[1]+(srcSliceY>>1)*dstStride[1], |
1682 |
dst[2]+(srcSliceY>>1)*dstStride[2], |
1683 |
c->srcW, srcSliceH, |
1684 |
dstStride[0], dstStride[1], srcStride[0]); |
1685 |
if (dst[3]) |
1686 |
fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); |
1687 |
return srcSliceH;
|
1688 |
} |
1689 |
|
1690 |
static int yvu9ToYv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, |
1691 |
int srcSliceH, uint8_t* dst[], int dstStride[]) |
1692 |
{ |
1693 |
copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW, |
1694 |
dst[0], dstStride[0]); |
1695 |
|
1696 |
planar2x(src[1], dst[1] + dstStride[1]*(srcSliceY >> 1), c->chrSrcW, |
1697 |
srcSliceH >> 2, srcStride[1], dstStride[1]); |
1698 |
planar2x(src[2], dst[2] + dstStride[2]*(srcSliceY >> 1), c->chrSrcW, |
1699 |
srcSliceH >> 2, srcStride[2], dstStride[2]); |
1700 |
if (dst[3]) |
1701 |
fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); |
1702 |
return srcSliceH;
|
1703 |
} |
1704 |
|
1705 |
/* unscaled copy like stuff (assumes nearly identical formats) */
|
1706 |
static int packedCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, |
1707 |
int srcSliceH, uint8_t* dst[], int dstStride[]) |
1708 |
{ |
1709 |
if (dstStride[0]==srcStride[0] && srcStride[0] > 0) |
1710 |
memcpy(dst[0] + dstStride[0]*srcSliceY, src[0], srcSliceH*dstStride[0]); |
1711 |
else {
|
1712 |
int i;
|
1713 |
const uint8_t *srcPtr= src[0]; |
1714 |
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; |
1715 |
int length=0; |
1716 |
|
1717 |
/* universal length finder */
|
1718 |
while(length+c->srcW <= FFABS(dstStride[0]) |
1719 |
&& length+c->srcW <= FFABS(srcStride[0])) length+= c->srcW;
|
1720 |
assert(length!=0);
|
1721 |
|
1722 |
for (i=0; i<srcSliceH; i++) { |
1723 |
memcpy(dstPtr, srcPtr, length); |
1724 |
srcPtr+= srcStride[0];
|
1725 |
dstPtr+= dstStride[0];
|
1726 |
} |
1727 |
} |
1728 |
return srcSliceH;
|
1729 |
} |
1730 |
|
1731 |
static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, |
1732 |
int srcSliceH, uint8_t* dst[], int dstStride[]) |
1733 |
{ |
1734 |
int plane, i, j;
|
1735 |
for (plane=0; plane<4; plane++) { |
1736 |
int length= (plane==0 || plane==3) ? c->srcW : -((-c->srcW )>>c->chrDstHSubSample); |
1737 |
int y= (plane==0 || plane==3) ? srcSliceY: -((-srcSliceY)>>c->chrDstVSubSample); |
1738 |
int height= (plane==0 || plane==3) ? srcSliceH: -((-srcSliceH)>>c->chrDstVSubSample); |
1739 |
const uint8_t *srcPtr= src[plane];
|
1740 |
uint8_t *dstPtr= dst[plane] + dstStride[plane]*y; |
1741 |
|
1742 |
if (!dst[plane]) continue; |
1743 |
// ignore palette for GRAY8
|
1744 |
if (plane == 1 && !dst[2]) continue; |
1745 |
if (!src[plane] || (plane == 1 && !src[2])) { |
1746 |
if(is16BPS(c->dstFormat))
|
1747 |
length*=2;
|
1748 |
fillPlane(dst[plane], dstStride[plane], length, height, y, (plane==3) ? 255 : 128); |
1749 |
} else {
|
1750 |
if(is16BPS(c->srcFormat) && !is16BPS(c->dstFormat)) {
|
1751 |
if (!isBE(c->srcFormat)) srcPtr++;
|
1752 |
for (i=0; i<height; i++) { |
1753 |
for (j=0; j<length; j++) dstPtr[j] = srcPtr[j<<1]; |
1754 |
srcPtr+= srcStride[plane]; |
1755 |
dstPtr+= dstStride[plane]; |
1756 |
} |
1757 |
} else if(!is16BPS(c->srcFormat) && is16BPS(c->dstFormat)) { |
1758 |
for (i=0; i<height; i++) { |
1759 |
for (j=0; j<length; j++) { |
1760 |
dstPtr[ j<<1 ] = srcPtr[j];
|
1761 |
dstPtr[(j<<1)+1] = srcPtr[j]; |
1762 |
} |
1763 |
srcPtr+= srcStride[plane]; |
1764 |
dstPtr+= dstStride[plane]; |
1765 |
} |
1766 |
} else if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat) |
1767 |
&& isBE(c->srcFormat) != isBE(c->dstFormat)) { |
1768 |
|
1769 |
for (i=0; i<height; i++) { |
1770 |
for (j=0; j<length; j++) |
1771 |
((uint16_t*)dstPtr)[j] = av_bswap16(((const uint16_t*)srcPtr)[j]);
|
1772 |
srcPtr+= srcStride[plane]; |
1773 |
dstPtr+= dstStride[plane]; |
1774 |
} |
1775 |
} else if (dstStride[plane] == srcStride[plane] && |
1776 |
srcStride[plane] > 0 && srcStride[plane] == length) {
|
1777 |
memcpy(dst[plane] + dstStride[plane]*y, src[plane], |
1778 |
height*dstStride[plane]); |
1779 |
} else {
|
1780 |
if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat))
|
1781 |
length*=2;
|
1782 |
for (i=0; i<height; i++) { |
1783 |
memcpy(dstPtr, srcPtr, length); |
1784 |
srcPtr+= srcStride[plane]; |
1785 |
dstPtr+= dstStride[plane]; |
1786 |
} |
1787 |
} |
1788 |
} |
1789 |
} |
1790 |
return srcSliceH;
|
1791 |
} |
1792 |
|
1793 |
int ff_hardcodedcpuflags(void) |
1794 |
{ |
1795 |
int flags = 0; |
1796 |
#if COMPILE_TEMPLATE_MMX2
|
1797 |
flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2; |
1798 |
#elif COMPILE_TEMPLATE_AMD3DNOW
|
1799 |
flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_3DNOW; |
1800 |
#elif COMPILE_TEMPLATE_MMX
|
1801 |
flags |= SWS_CPU_CAPS_MMX; |
1802 |
#elif COMPILE_TEMPLATE_ALTIVEC
|
1803 |
flags |= SWS_CPU_CAPS_ALTIVEC; |
1804 |
#elif ARCH_BFIN
|
1805 |
flags |= SWS_CPU_CAPS_BFIN; |
1806 |
#endif
|
1807 |
return flags;
|
1808 |
} |
1809 |
|
1810 |
void ff_get_unscaled_swscale(SwsContext *c)
|
1811 |
{ |
1812 |
const enum PixelFormat srcFormat = c->srcFormat; |
1813 |
const enum PixelFormat dstFormat = c->dstFormat; |
1814 |
const int flags = c->flags; |
1815 |
const int dstH = c->dstH; |
1816 |
int needsDither;
|
1817 |
|
1818 |
needsDither= isAnyRGB(dstFormat) |
1819 |
&& c->dstFormatBpp < 24
|
1820 |
&& (c->dstFormatBpp < c->srcFormatBpp || (!isAnyRGB(srcFormat))); |
1821 |
|
1822 |
/* yv12_to_nv12 */
|
1823 |
if ((srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) && (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21)) {
|
1824 |
c->swScale= planarToNv12Wrapper; |
1825 |
} |
1826 |
/* yuv2bgr */
|
1827 |
if ((srcFormat==PIX_FMT_YUV420P || srcFormat==PIX_FMT_YUV422P || srcFormat==PIX_FMT_YUVA420P) && isAnyRGB(dstFormat)
|
1828 |
&& !(flags & SWS_ACCURATE_RND) && !(dstH&1)) {
|
1829 |
c->swScale= ff_yuv2rgb_get_func_ptr(c); |
1830 |
} |
1831 |
|
1832 |
if (srcFormat==PIX_FMT_YUV410P && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_BITEXACT)) {
|
1833 |
c->swScale= yvu9ToYv12Wrapper; |
1834 |
} |
1835 |
|
1836 |
/* bgr24toYV12 */
|
1837 |
if (srcFormat==PIX_FMT_BGR24 && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_ACCURATE_RND))
|
1838 |
c->swScale= bgr24ToYv12Wrapper; |
1839 |
|
1840 |
/* RGB/BGR -> RGB/BGR (no dither needed forms) */
|
1841 |
if ( isAnyRGB(srcFormat)
|
1842 |
&& isAnyRGB(dstFormat) |
1843 |
&& srcFormat != PIX_FMT_BGR8 && dstFormat != PIX_FMT_BGR8 |
1844 |
&& srcFormat != PIX_FMT_RGB8 && dstFormat != PIX_FMT_RGB8 |
1845 |
&& srcFormat != PIX_FMT_BGR4 && dstFormat != PIX_FMT_BGR4 |
1846 |
&& srcFormat != PIX_FMT_RGB4 && dstFormat != PIX_FMT_RGB4 |
1847 |
&& srcFormat != PIX_FMT_BGR4_BYTE && dstFormat != PIX_FMT_BGR4_BYTE |
1848 |
&& srcFormat != PIX_FMT_RGB4_BYTE && dstFormat != PIX_FMT_RGB4_BYTE |
1849 |
&& srcFormat != PIX_FMT_MONOBLACK && dstFormat != PIX_FMT_MONOBLACK |
1850 |
&& srcFormat != PIX_FMT_MONOWHITE && dstFormat != PIX_FMT_MONOWHITE |
1851 |
&& srcFormat != PIX_FMT_RGB48LE && dstFormat != PIX_FMT_RGB48LE |
1852 |
&& srcFormat != PIX_FMT_RGB48BE && dstFormat != PIX_FMT_RGB48BE |
1853 |
&& srcFormat != PIX_FMT_BGR48LE && dstFormat != PIX_FMT_BGR48LE |
1854 |
&& srcFormat != PIX_FMT_BGR48BE && dstFormat != PIX_FMT_BGR48BE |
1855 |
&& (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)))) |
1856 |
c->swScale= rgbToRgbWrapper; |
1857 |
|
1858 |
if ((usePal(srcFormat) && (
|
1859 |
dstFormat == PIX_FMT_RGB32 || |
1860 |
dstFormat == PIX_FMT_RGB32_1 || |
1861 |
dstFormat == PIX_FMT_RGB24 || |
1862 |
dstFormat == PIX_FMT_BGR32 || |
1863 |
dstFormat == PIX_FMT_BGR32_1 || |
1864 |
dstFormat == PIX_FMT_BGR24))) |
1865 |
c->swScale= palToRgbWrapper; |
1866 |
|
1867 |
if (srcFormat == PIX_FMT_YUV422P) {
|
1868 |
if (dstFormat == PIX_FMT_YUYV422)
|
1869 |
c->swScale= yuv422pToYuy2Wrapper; |
1870 |
else if (dstFormat == PIX_FMT_UYVY422) |
1871 |
c->swScale= yuv422pToUyvyWrapper; |
1872 |
} |
1873 |
|
1874 |
/* LQ converters if -sws 0 or -sws 4*/
|
1875 |
if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)) {
|
1876 |
/* yv12_to_yuy2 */
|
1877 |
if (srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) {
|
1878 |
if (dstFormat == PIX_FMT_YUYV422)
|
1879 |
c->swScale= planarToYuy2Wrapper; |
1880 |
else if (dstFormat == PIX_FMT_UYVY422) |
1881 |
c->swScale= planarToUyvyWrapper; |
1882 |
} |
1883 |
} |
1884 |
if(srcFormat == PIX_FMT_YUYV422 && (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P))
|
1885 |
c->swScale= yuyvToYuv420Wrapper; |
1886 |
if(srcFormat == PIX_FMT_UYVY422 && (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P))
|
1887 |
c->swScale= uyvyToYuv420Wrapper; |
1888 |
if(srcFormat == PIX_FMT_YUYV422 && dstFormat == PIX_FMT_YUV422P)
|
1889 |
c->swScale= yuyvToYuv422Wrapper; |
1890 |
if(srcFormat == PIX_FMT_UYVY422 && dstFormat == PIX_FMT_YUV422P)
|
1891 |
c->swScale= uyvyToYuv422Wrapper; |
1892 |
|
1893 |
#if COMPILE_ALTIVEC
|
1894 |
if ((c->flags & SWS_CPU_CAPS_ALTIVEC) &&
|
1895 |
!(c->flags & SWS_BITEXACT) && |
1896 |
srcFormat == PIX_FMT_YUV420P) { |
1897 |
// unscaled YV12 -> packed YUV, we want speed
|
1898 |
if (dstFormat == PIX_FMT_YUYV422)
|
1899 |
c->swScale= yv12toyuy2_unscaled_altivec; |
1900 |
else if (dstFormat == PIX_FMT_UYVY422) |
1901 |
c->swScale= yv12touyvy_unscaled_altivec; |
1902 |
} |
1903 |
#endif
|
1904 |
|
1905 |
/* simple copy */
|
1906 |
if ( srcFormat == dstFormat
|
1907 |
|| (srcFormat == PIX_FMT_YUVA420P && dstFormat == PIX_FMT_YUV420P) |
1908 |
|| (srcFormat == PIX_FMT_YUV420P && dstFormat == PIX_FMT_YUVA420P) |
1909 |
|| (isPlanarYUV(srcFormat) && isGray(dstFormat)) |
1910 |
|| (isPlanarYUV(dstFormat) && isGray(srcFormat)) |
1911 |
|| (isGray(dstFormat) && isGray(srcFormat)) |
1912 |
|| (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat) |
1913 |
&& c->chrDstHSubSample == c->chrSrcHSubSample |
1914 |
&& c->chrDstVSubSample == c->chrSrcVSubSample |
1915 |
&& dstFormat != PIX_FMT_NV12 && dstFormat != PIX_FMT_NV21 |
1916 |
&& srcFormat != PIX_FMT_NV12 && srcFormat != PIX_FMT_NV21)) |
1917 |
{ |
1918 |
if (isPacked(c->srcFormat))
|
1919 |
c->swScale= packedCopyWrapper; |
1920 |
else /* Planar YUV or gray */ |
1921 |
c->swScale= planarCopyWrapper; |
1922 |
} |
1923 |
#if ARCH_BFIN
|
1924 |
if (flags & SWS_CPU_CAPS_BFIN)
|
1925 |
ff_bfin_get_unscaled_swscale (c); |
1926 |
#endif
|
1927 |
} |
1928 |
|
1929 |
static void reset_ptr(const uint8_t* src[], int format) |
1930 |
{ |
1931 |
if(!isALPHA(format))
|
1932 |
src[3]=NULL; |
1933 |
if(!isPlanarYUV(format)) {
|
1934 |
src[3]=src[2]=NULL; |
1935 |
|
1936 |
if (!usePal(format))
|
1937 |
src[1]= NULL; |
1938 |
} |
1939 |
} |
1940 |
|
1941 |
static int check_image_pointers(uint8_t *data[4], enum PixelFormat pix_fmt, |
1942 |
const int linesizes[4]) |
1943 |
{ |
1944 |
const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
|
1945 |
int i;
|
1946 |
|
1947 |
for (i = 0; i < 4; i++) { |
1948 |
int plane = desc->comp[i].plane;
|
1949 |
if (!data[plane] || !linesizes[plane])
|
1950 |
return 0; |
1951 |
} |
1952 |
|
1953 |
return 1; |
1954 |
} |
1955 |
|
1956 |
/**
|
1957 |
* swscale wrapper, so we don't need to export the SwsContext.
|
1958 |
* Assumes planar YUV to be in YUV order instead of YVU.
|
1959 |
*/
|
1960 |
int sws_scale(SwsContext *c, const uint8_t* const src[], const int srcStride[], int srcSliceY, |
1961 |
int srcSliceH, uint8_t* const dst[], const int dstStride[]) |
1962 |
{ |
1963 |
int i;
|
1964 |
const uint8_t* src2[4]= {src[0], src[1], src[2], src[3]}; |
1965 |
uint8_t* dst2[4]= {dst[0], dst[1], dst[2], dst[3]}; |
1966 |
|
1967 |
// do not mess up sliceDir if we have a "trailing" 0-size slice
|
1968 |
if (srcSliceH == 0) |
1969 |
return 0; |
1970 |
|
1971 |
if (!check_image_pointers(src, c->srcFormat, srcStride)) {
|
1972 |
av_log(c, AV_LOG_ERROR, "bad src image pointers\n");
|
1973 |
return 0; |
1974 |
} |
1975 |
if (!check_image_pointers(dst, c->dstFormat, dstStride)) {
|
1976 |
av_log(c, AV_LOG_ERROR, "bad dst image pointers\n");
|
1977 |
return 0; |
1978 |
} |
1979 |
|
1980 |
if (c->sliceDir == 0 && srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) { |
1981 |
av_log(c, AV_LOG_ERROR, "Slices start in the middle!\n");
|
1982 |
return 0; |
1983 |
} |
1984 |
if (c->sliceDir == 0) { |
1985 |
if (srcSliceY == 0) c->sliceDir = 1; else c->sliceDir = -1; |
1986 |
} |
1987 |
|
1988 |
if (usePal(c->srcFormat)) {
|
1989 |
for (i=0; i<256; i++) { |
1990 |
int p, r, g, b,y,u,v;
|
1991 |
if(c->srcFormat == PIX_FMT_PAL8) {
|
1992 |
p=((const uint32_t*)(src[1]))[i]; |
1993 |
r= (p>>16)&0xFF; |
1994 |
g= (p>> 8)&0xFF; |
1995 |
b= p &0xFF;
|
1996 |
} else if(c->srcFormat == PIX_FMT_RGB8) { |
1997 |
r= (i>>5 )*36; |
1998 |
g= ((i>>2)&7)*36; |
1999 |
b= (i&3 )*85; |
2000 |
} else if(c->srcFormat == PIX_FMT_BGR8) { |
2001 |
b= (i>>6 )*85; |
2002 |
g= ((i>>3)&7)*36; |
2003 |
r= (i&7 )*36; |
2004 |
} else if(c->srcFormat == PIX_FMT_RGB4_BYTE) { |
2005 |
r= (i>>3 )*255; |
2006 |
g= ((i>>1)&3)*85; |
2007 |
b= (i&1 )*255; |
2008 |
} else if(c->srcFormat == PIX_FMT_GRAY8 || c->srcFormat == PIX_FMT_Y400A) { |
2009 |
r = g = b = i; |
2010 |
} else {
|
2011 |
assert(c->srcFormat == PIX_FMT_BGR4_BYTE); |
2012 |
b= (i>>3 )*255; |
2013 |
g= ((i>>1)&3)*85; |
2014 |
r= (i&1 )*255; |
2015 |
} |
2016 |
y= av_clip_uint8((RY*r + GY*g + BY*b + ( 33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT); |
2017 |
u= av_clip_uint8((RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT); |
2018 |
v= av_clip_uint8((RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT); |
2019 |
c->pal_yuv[i]= y + (u<<8) + (v<<16); |
2020 |
|
2021 |
switch(c->dstFormat) {
|
2022 |
case PIX_FMT_BGR32:
|
2023 |
#if !HAVE_BIGENDIAN
|
2024 |
case PIX_FMT_RGB24:
|
2025 |
#endif
|
2026 |
c->pal_rgb[i]= r + (g<<8) + (b<<16); |
2027 |
break;
|
2028 |
case PIX_FMT_BGR32_1:
|
2029 |
#if HAVE_BIGENDIAN
|
2030 |
case PIX_FMT_BGR24:
|
2031 |
#endif
|
2032 |
c->pal_rgb[i]= (r + (g<<8) + (b<<16)) << 8; |
2033 |
break;
|
2034 |
case PIX_FMT_RGB32_1:
|
2035 |
#if HAVE_BIGENDIAN
|
2036 |
case PIX_FMT_RGB24:
|
2037 |
#endif
|
2038 |
c->pal_rgb[i]= (b + (g<<8) + (r<<16)) << 8; |
2039 |
break;
|
2040 |
case PIX_FMT_RGB32:
|
2041 |
#if !HAVE_BIGENDIAN
|
2042 |
case PIX_FMT_BGR24:
|
2043 |
#endif
|
2044 |
default:
|
2045 |
c->pal_rgb[i]= b + (g<<8) + (r<<16); |
2046 |
} |
2047 |
} |
2048 |
} |
2049 |
|
2050 |
// copy strides, so they can safely be modified
|
2051 |
if (c->sliceDir == 1) { |
2052 |
// slices go from top to bottom
|
2053 |
int srcStride2[4]= {srcStride[0], srcStride[1], srcStride[2], srcStride[3]}; |
2054 |
int dstStride2[4]= {dstStride[0], dstStride[1], dstStride[2], dstStride[3]}; |
2055 |
|
2056 |
reset_ptr(src2, c->srcFormat); |
2057 |
reset_ptr((const uint8_t**)dst2, c->dstFormat);
|
2058 |
|
2059 |
/* reset slice direction at end of frame */
|
2060 |
if (srcSliceY + srcSliceH == c->srcH)
|
2061 |
c->sliceDir = 0;
|
2062 |
|
2063 |
return c->swScale(c, src2, srcStride2, srcSliceY, srcSliceH, dst2, dstStride2);
|
2064 |
} else {
|
2065 |
// slices go from bottom to top => we flip the image internally
|
2066 |
int srcStride2[4]= {-srcStride[0], -srcStride[1], -srcStride[2], -srcStride[3]}; |
2067 |
int dstStride2[4]= {-dstStride[0], -dstStride[1], -dstStride[2], -dstStride[3]}; |
2068 |
|
2069 |
src2[0] += (srcSliceH-1)*srcStride[0]; |
2070 |
if (!usePal(c->srcFormat))
|
2071 |
src2[1] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[1]; |
2072 |
src2[2] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[2]; |
2073 |
src2[3] += (srcSliceH-1)*srcStride[3]; |
2074 |
dst2[0] += ( c->dstH -1)*dstStride[0]; |
2075 |
dst2[1] += ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[1]; |
2076 |
dst2[2] += ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[2]; |
2077 |
dst2[3] += ( c->dstH -1)*dstStride[3]; |
2078 |
|
2079 |
reset_ptr(src2, c->srcFormat); |
2080 |
reset_ptr((const uint8_t**)dst2, c->dstFormat);
|
2081 |
|
2082 |
/* reset slice direction at end of frame */
|
2083 |
if (!srcSliceY)
|
2084 |
c->sliceDir = 0;
|
2085 |
|
2086 |
return c->swScale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH, srcSliceH, dst2, dstStride2);
|
2087 |
} |
2088 |
} |
2089 |
|
2090 |
#if LIBSWSCALE_VERSION_MAJOR < 1 |
2091 |
int sws_scale_ordered(SwsContext *c, const uint8_t* const src[], int srcStride[], int srcSliceY, |
2092 |
int srcSliceH, uint8_t* dst[], int dstStride[]) |
2093 |
{ |
2094 |
return sws_scale(c, src, srcStride, srcSliceY, srcSliceH, dst, dstStride);
|
2095 |
} |
2096 |
#endif
|
2097 |
|
2098 |
/* Convert the palette to the same packed 32-bit format as the palette */
|
2099 |
void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) |
2100 |
{ |
2101 |
long i;
|
2102 |
|
2103 |
for (i=0; i<num_pixels; i++) |
2104 |
((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]];
|
2105 |
} |
2106 |
|
2107 |
/* Palette format: ABCD -> dst format: ABC */
|
2108 |
void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) |
2109 |
{ |
2110 |
long i;
|
2111 |
|
2112 |
for (i=0; i<num_pixels; i++) { |
2113 |
//FIXME slow?
|
2114 |
dst[0]= palette[src[i]*4+0]; |
2115 |
dst[1]= palette[src[i]*4+1]; |
2116 |
dst[2]= palette[src[i]*4+2]; |
2117 |
dst+= 3;
|
2118 |
} |
2119 |
} |