2109 lines
78 KiB
C
2109 lines
78 KiB
C
/*
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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/avassert.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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#define DITHER1XBPP
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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_GRAY8A \
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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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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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DECLARE_ALIGNED(8, const uint8_t, dithers)[8][8][8]={
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{
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{ 0, 1, 0, 1, 0, 1, 0, 1,},
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{ 1, 0, 1, 0, 1, 0, 1, 0,},
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{ 0, 1, 0, 1, 0, 1, 0, 1,},
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{ 1, 0, 1, 0, 1, 0, 1, 0,},
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{ 0, 1, 0, 1, 0, 1, 0, 1,},
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{ 1, 0, 1, 0, 1, 0, 1, 0,},
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{ 0, 1, 0, 1, 0, 1, 0, 1,},
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{ 1, 0, 1, 0, 1, 0, 1, 0,},
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},{
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{ 1, 2, 1, 2, 1, 2, 1, 2,},
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{ 3, 0, 3, 0, 3, 0, 3, 0,},
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{ 1, 2, 1, 2, 1, 2, 1, 2,},
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{ 3, 0, 3, 0, 3, 0, 3, 0,},
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{ 1, 2, 1, 2, 1, 2, 1, 2,},
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{ 3, 0, 3, 0, 3, 0, 3, 0,},
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{ 1, 2, 1, 2, 1, 2, 1, 2,},
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{ 3, 0, 3, 0, 3, 0, 3, 0,},
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},{
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{ 2, 4, 3, 5, 2, 4, 3, 5,},
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{ 6, 0, 7, 1, 6, 0, 7, 1,},
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{ 3, 5, 2, 4, 3, 5, 2, 4,},
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{ 7, 1, 6, 0, 7, 1, 6, 0,},
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{ 2, 4, 3, 5, 2, 4, 3, 5,},
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{ 6, 0, 7, 1, 6, 0, 7, 1,},
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{ 3, 5, 2, 4, 3, 5, 2, 4,},
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{ 7, 1, 6, 0, 7, 1, 6, 0,},
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},{
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{ 4, 8, 7, 11, 4, 8, 7, 11,},
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{ 12, 0, 15, 3, 12, 0, 15, 3,},
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{ 6, 10, 5, 9, 6, 10, 5, 9,},
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{ 14, 2, 13, 1, 14, 2, 13, 1,},
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{ 4, 8, 7, 11, 4, 8, 7, 11,},
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{ 12, 0, 15, 3, 12, 0, 15, 3,},
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{ 6, 10, 5, 9, 6, 10, 5, 9,},
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{ 14, 2, 13, 1, 14, 2, 13, 1,},
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},{
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{ 9, 17, 15, 23, 8, 16, 14, 22,},
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{ 25, 1, 31, 7, 24, 0, 30, 6,},
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{ 13, 21, 11, 19, 12, 20, 10, 18,},
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{ 29, 5, 27, 3, 28, 4, 26, 2,},
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{ 8, 16, 14, 22, 9, 17, 15, 23,},
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{ 24, 0, 30, 6, 25, 1, 31, 7,},
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{ 12, 20, 10, 18, 13, 21, 11, 19,},
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{ 28, 4, 26, 2, 29, 5, 27, 3,},
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},{
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{ 18, 34, 30, 46, 17, 33, 29, 45,},
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{ 50, 2, 62, 14, 49, 1, 61, 13,},
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{ 26, 42, 22, 38, 25, 41, 21, 37,},
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{ 58, 10, 54, 6, 57, 9, 53, 5,},
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{ 16, 32, 28, 44, 19, 35, 31, 47,},
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{ 48, 0, 60, 12, 51, 3, 63, 15,},
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{ 24, 40, 20, 36, 27, 43, 23, 39,},
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{ 56, 8, 52, 4, 59, 11, 55, 7,},
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},{
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{ 18, 34, 30, 46, 17, 33, 29, 45,},
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{ 50, 2, 62, 14, 49, 1, 61, 13,},
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{ 26, 42, 22, 38, 25, 41, 21, 37,},
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{ 58, 10, 54, 6, 57, 9, 53, 5,},
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{ 16, 32, 28, 44, 19, 35, 31, 47,},
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{ 48, 0, 60, 12, 51, 3, 63, 15,},
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{ 24, 40, 20, 36, 27, 43, 23, 39,},
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{ 56, 8, 52, 4, 59, 11, 55, 7,},
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},{
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{ 36, 68, 60, 92, 34, 66, 58, 90,},
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{ 100, 4,124, 28, 98, 2,122, 26,},
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{ 52, 84, 44, 76, 50, 82, 42, 74,},
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{ 116, 20,108, 12,114, 18,106, 10,},
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{ 32, 64, 56, 88, 38, 70, 62, 94,},
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{ 96, 0,120, 24,102, 6,126, 30,},
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{ 48, 80, 40, 72, 54, 86, 46, 78,},
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{ 112, 16,104, 8,118, 22,110, 14,},
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}};
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uint16_t dither_scale[15][16]={
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{ 2, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,},
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{ 2, 3, 7, 7, 13, 13, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,},
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{ 3, 3, 4, 15, 15, 29, 57, 57, 57, 113, 113, 113, 113, 113, 113, 113,},
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{ 3, 4, 4, 5, 31, 31, 61, 121, 241, 241, 241, 241, 481, 481, 481, 481,},
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{ 3, 4, 5, 5, 6, 63, 63, 125, 249, 497, 993, 993, 993, 993, 993, 1985,},
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{ 3, 5, 6, 6, 6, 7, 127, 127, 253, 505, 1009, 2017, 4033, 4033, 4033, 4033,},
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{ 3, 5, 6, 7, 7, 7, 8, 255, 255, 509, 1017, 2033, 4065, 8129,16257,16257,},
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{ 3, 5, 6, 8, 8, 8, 8, 9, 511, 511, 1021, 2041, 4081, 8161,16321,32641,},
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{ 3, 5, 7, 8, 9, 9, 9, 9, 10, 1023, 1023, 2045, 4089, 8177,16353,32705,},
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{ 3, 5, 7, 8, 10, 10, 10, 10, 10, 11, 2047, 2047, 4093, 8185,16369,32737,},
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{ 3, 5, 7, 8, 10, 11, 11, 11, 11, 11, 12, 4095, 4095, 8189,16377,32753,},
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{ 3, 5, 7, 9, 10, 12, 12, 12, 12, 12, 12, 13, 8191, 8191,16381,32761,},
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{ 3, 5, 7, 9, 10, 12, 13, 13, 13, 13, 13, 13, 14,16383,16383,32765,},
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{ 3, 5, 7, 9, 10, 12, 14, 14, 14, 14, 14, 14, 14, 15,32767,32767,},
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{ 3, 5, 7, 9, 11, 12, 14, 15, 15, 15, 15, 15, 15, 15, 16,65535,},
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};
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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 **chrUSrc,
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const int16_t **chrVSrc, 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, int output_bits)
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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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int shift = 11 + 16 - output_bits;
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#define output_pixel(pos, val) \
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if (big_endian) { \
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if (output_bits == 16) { \
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AV_WB16(pos, av_clip_uint16(val >> shift)); \
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} else { \
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AV_WB16(pos, av_clip_uintp2(val >> shift, output_bits)); \
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} \
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} else { \
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if (output_bits == 16) { \
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AV_WL16(pos, av_clip_uint16(val >> shift)); \
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} else { \
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AV_WL16(pos, av_clip_uintp2(val >> shift, output_bits)); \
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} \
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}
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for (i = 0; i < dstW; i++) {
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int val = 1 << (26-output_bits);
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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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output_pixel(&dest[i], val);
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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 << (26-output_bits);
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int v = 1 << (26-output_bits);
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int j;
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for (j = 0; j < chrFilterSize; j++) {
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u += chrUSrc[j][i] * chrFilter[j];
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v += chrVSrc[j][i] * chrFilter[j];
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}
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output_pixel(&uDest[i], u);
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output_pixel(&vDest[i], v);
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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 << (26-output_bits);
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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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output_pixel(&aDest[i], val);
|
|
}
|
|
}
|
|
}
|
|
|
|
#define yuv2NBPS(bits, BE_LE, is_be) \
|
|
static void yuv2yuvX ## bits ## BE_LE ## _c(const int16_t *lumFilter, \
|
|
const int16_t **lumSrc, int lumFilterSize, \
|
|
const int16_t *chrFilter, const int16_t **chrUSrc, \
|
|
const int16_t **chrVSrc, \
|
|
int chrFilterSize, const int16_t **alpSrc, \
|
|
uint16_t *dest, uint16_t *uDest, uint16_t *vDest, \
|
|
uint16_t *aDest, int dstW, int chrDstW) \
|
|
{ \
|
|
yuv2yuvX16inC_template(lumFilter, lumSrc, lumFilterSize, \
|
|
chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
|
|
alpSrc, \
|
|
dest, uDest, vDest, aDest, \
|
|
dstW, chrDstW, is_be, bits); \
|
|
}
|
|
yuv2NBPS( 9, BE, 1);
|
|
yuv2NBPS( 9, LE, 0);
|
|
yuv2NBPS(10, BE, 1);
|
|
yuv2NBPS(10, LE, 0);
|
|
yuv2NBPS(16, BE, 1);
|
|
yuv2NBPS(16, LE, 0);
|
|
|
|
static inline void yuv2yuvX16inC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
|
|
const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize,
|
|
const int16_t **alpSrc, uint16_t *dest, uint16_t *uDest, uint16_t *vDest, uint16_t *aDest, int dstW, int chrDstW,
|
|
enum PixelFormat dstFormat)
|
|
{
|
|
if (isNBPS(dstFormat)) {
|
|
const int depth = av_pix_fmt_descriptors[dstFormat].comp[0].depth_minus1+1;
|
|
yuv2yuvX16inC_template(lumFilter, lumSrc, lumFilterSize,
|
|
chrFilter, chrUSrc, chrVSrc, chrFilterSize,
|
|
alpSrc,
|
|
dest, uDest, vDest, aDest,
|
|
dstW, chrDstW, isBE(dstFormat), depth);
|
|
} else {
|
|
if (isBE(dstFormat)) {
|
|
yuv2yuvX16inC_template(lumFilter, lumSrc, lumFilterSize,
|
|
chrFilter, chrUSrc, chrVSrc, chrFilterSize,
|
|
alpSrc,
|
|
dest, uDest, vDest, aDest,
|
|
dstW, chrDstW, 1, 16);
|
|
} else {
|
|
yuv2yuvX16inC_template(lumFilter, lumSrc, lumFilterSize,
|
|
chrFilter, chrUSrc, chrVSrc, chrFilterSize,
|
|
alpSrc,
|
|
dest, uDest, vDest, aDest,
|
|
dstW, chrDstW, 0, 16);
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline void yuv2yuvXinC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
|
|
const int16_t *chrFilter, const int16_t **chrUSrc,
|
|
const int16_t **chrVSrc, int chrFilterSize,
|
|
const int16_t **alpSrc, uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, int dstW, int chrDstW)
|
|
{
|
|
//FIXME Optimize (just quickly written not optimized..)
|
|
int i;
|
|
for (i=0; i<dstW; i++) {
|
|
int val=1<<18;
|
|
int j;
|
|
for (j=0; j<lumFilterSize; j++)
|
|
val += lumSrc[j][i] * lumFilter[j];
|
|
|
|
dest[i]= av_clip_uint8(val>>19);
|
|
}
|
|
|
|
if (uDest)
|
|
for (i=0; i<chrDstW; i++) {
|
|
int u=1<<18;
|
|
int v=1<<18;
|
|
int j;
|
|
for (j=0; j<chrFilterSize; j++) {
|
|
u += chrUSrc[j][i] * chrFilter[j];
|
|
v += chrVSrc[j][i] * chrFilter[j];
|
|
}
|
|
|
|
uDest[i]= av_clip_uint8(u>>19);
|
|
vDest[i]= av_clip_uint8(v>>19);
|
|
}
|
|
|
|
if (CONFIG_SWSCALE_ALPHA && aDest)
|
|
for (i=0; i<dstW; i++) {
|
|
int val=1<<18;
|
|
int j;
|
|
for (j=0; j<lumFilterSize; j++)
|
|
val += alpSrc[j][i] * lumFilter[j];
|
|
|
|
aDest[i]= av_clip_uint8(val>>19);
|
|
}
|
|
|
|
}
|
|
|
|
static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
|
|
const int16_t *chrFilter, const int16_t **chrUSrc,
|
|
const int16_t **chrVSrc, int chrFilterSize,
|
|
uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat)
|
|
{
|
|
//FIXME Optimize (just quickly written not optimized..)
|
|
int i;
|
|
for (i=0; i<dstW; i++) {
|
|
int val=1<<18;
|
|
int j;
|
|
for (j=0; j<lumFilterSize; j++)
|
|
val += lumSrc[j][i] * lumFilter[j];
|
|
|
|
dest[i]= av_clip_uint8(val>>19);
|
|
}
|
|
|
|
if (!uDest)
|
|
return;
|
|
|
|
if (dstFormat == PIX_FMT_NV12)
|
|
for (i=0; i<chrDstW; i++) {
|
|
int u=1<<18;
|
|
int v=1<<18;
|
|
int j;
|
|
for (j=0; j<chrFilterSize; j++) {
|
|
u += chrUSrc[j][i] * chrFilter[j];
|
|
v += chrVSrc[j][i] * chrFilter[j];
|
|
}
|
|
|
|
uDest[2*i]= av_clip_uint8(u>>19);
|
|
uDest[2*i+1]= av_clip_uint8(v>>19);
|
|
}
|
|
else
|
|
for (i=0; i<chrDstW; i++) {
|
|
int u=1<<18;
|
|
int v=1<<18;
|
|
int j;
|
|
for (j=0; j<chrFilterSize; j++) {
|
|
u += chrUSrc[j][i] * chrFilter[j];
|
|
v += chrVSrc[j][i] * chrFilter[j];
|
|
}
|
|
|
|
uDest[2*i]= av_clip_uint8(v>>19);
|
|
uDest[2*i+1]= av_clip_uint8(u>>19);
|
|
}
|
|
}
|
|
|
|
#define YSCALE_YUV_2_PACKEDX_NOCLIP_C(type,alpha) \
|
|
for (i=0; i<(dstW>>1); i++) {\
|
|
int j;\
|
|
int Y1 = 1<<18;\
|
|
int Y2 = 1<<18;\
|
|
int U = 1<<18;\
|
|
int V = 1<<18;\
|
|
int av_unused A1, A2;\
|
|
type av_unused *r, *b, *g;\
|
|
const int i2= 2*i;\
|
|
\
|
|
for (j=0; j<lumFilterSize; j++) {\
|
|
Y1 += lumSrc[j][i2] * lumFilter[j];\
|
|
Y2 += lumSrc[j][i2+1] * lumFilter[j];\
|
|
}\
|
|
for (j=0; j<chrFilterSize; j++) {\
|
|
U += chrUSrc[j][i] * chrFilter[j];\
|
|
V += chrVSrc[j][i] * chrFilter[j];\
|
|
}\
|
|
Y1>>=19;\
|
|
Y2>>=19;\
|
|
U >>=19;\
|
|
V >>=19;\
|
|
if (alpha) {\
|
|
A1 = 1<<18;\
|
|
A2 = 1<<18;\
|
|
for (j=0; j<lumFilterSize; j++) {\
|
|
A1 += alpSrc[j][i2 ] * lumFilter[j];\
|
|
A2 += alpSrc[j][i2+1] * lumFilter[j];\
|
|
}\
|
|
A1>>=19;\
|
|
A2>>=19;\
|
|
}
|
|
|
|
#define YSCALE_YUV_2_PACKEDX_C(type,alpha) \
|
|
YSCALE_YUV_2_PACKEDX_NOCLIP_C(type,alpha)\
|
|
if ((Y1|Y2|U|V)&256) {\
|
|
if (Y1>255) Y1=255; \
|
|
else if (Y1<0)Y1=0; \
|
|
if (Y2>255) Y2=255; \
|
|
else if (Y2<0)Y2=0; \
|
|
if (U>255) U=255; \
|
|
else if (U<0) U=0; \
|
|
if (V>255) V=255; \
|
|
else if (V<0) V=0; \
|
|
}\
|
|
if (alpha && ((A1|A2)&256)) {\
|
|
A1=av_clip_uint8(A1);\
|
|
A2=av_clip_uint8(A2);\
|
|
}
|
|
|
|
#define YSCALE_YUV_2_PACKEDX_FULL_C(rnd,alpha) \
|
|
for (i=0; i<dstW; i++) {\
|
|
int j;\
|
|
int Y = 1<<9;\
|
|
int U = (1<<9)-(128<<19);\
|
|
int V = (1<<9)-(128<<19);\
|
|
int av_unused A;\
|
|
int R,G,B;\
|
|
\
|
|
for (j=0; j<lumFilterSize; j++) {\
|
|
Y += lumSrc[j][i ] * lumFilter[j];\
|
|
}\
|
|
for (j=0; j<chrFilterSize; j++) {\
|
|
U += chrUSrc[j][i] * chrFilter[j];\
|
|
V += chrVSrc[j][i] * chrFilter[j];\
|
|
}\
|
|
Y >>=10;\
|
|
U >>=10;\
|
|
V >>=10;\
|
|
if (alpha) {\
|
|
A = rnd;\
|
|
for (j=0; j<lumFilterSize; j++)\
|
|
A += alpSrc[j][i ] * lumFilter[j];\
|
|
A >>=19;\
|
|
if (A&256)\
|
|
A = av_clip_uint8(A);\
|
|
}
|
|
|
|
#define YSCALE_YUV_2_RGBX_FULL_C(rnd,alpha) \
|
|
YSCALE_YUV_2_PACKEDX_FULL_C(rnd>>3,alpha)\
|
|
Y-= c->yuv2rgb_y_offset;\
|
|
Y*= c->yuv2rgb_y_coeff;\
|
|
Y+= rnd;\
|
|
R= Y + V*c->yuv2rgb_v2r_coeff;\
|
|
G= Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;\
|
|
B= Y + U*c->yuv2rgb_u2b_coeff;\
|
|
if ((R|G|B)&(0xC0000000)) {\
|
|
if (R>=(256<<22)) R=(256<<22)-1; \
|
|
else if (R<0)R=0; \
|
|
if (G>=(256<<22)) G=(256<<22)-1; \
|
|
else if (G<0)G=0; \
|
|
if (B>=(256<<22)) B=(256<<22)-1; \
|
|
else if (B<0)B=0; \
|
|
}
|
|
|
|
#define YSCALE_YUV_2_GRAY16_C \
|
|
for (i=0; i<(dstW>>1); i++) {\
|
|
int j;\
|
|
int Y1 = 1<<18;\
|
|
int Y2 = 1<<18;\
|
|
int U = 1<<18;\
|
|
int V = 1<<18;\
|
|
\
|
|
const int i2= 2*i;\
|
|
\
|
|
for (j=0; j<lumFilterSize; j++) {\
|
|
Y1 += lumSrc[j][i2] * lumFilter[j];\
|
|
Y2 += lumSrc[j][i2+1] * lumFilter[j];\
|
|
}\
|
|
Y1>>=11;\
|
|
Y2>>=11;\
|
|
if ((Y1|Y2|U|V)&65536) {\
|
|
if (Y1>65535) Y1=65535; \
|
|
else if (Y1<0)Y1=0; \
|
|
if (Y2>65535) Y2=65535; \
|
|
else if (Y2<0)Y2=0; \
|
|
}
|
|
|
|
#define YSCALE_YUV_2_RGBX_C(type,alpha) \
|
|
YSCALE_YUV_2_PACKEDX_C(type,alpha) /* FIXME fix tables so that clipping is not needed and then use _NOCLIP*/\
|
|
r = (type *)c->table_rV[V]; \
|
|
g = (type *)(c->table_gU[U] + c->table_gV[V]); \
|
|
b = (type *)c->table_bU[U];
|
|
|
|
#define YSCALE_YUV_2_PACKED2_C(type,alpha) \
|
|
for (i=0; i<(dstW>>1); i++) { \
|
|
const int i2= 2*i; \
|
|
int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>19; \
|
|
int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>19; \
|
|
int U= (ubuf0[i]*uvalpha1+ubuf1[i]*uvalpha)>>19; \
|
|
int V= (vbuf0[i]*uvalpha1+vbuf1[i]*uvalpha)>>19; \
|
|
type av_unused *r, *b, *g; \
|
|
int av_unused A1, A2; \
|
|
if (alpha) {\
|
|
A1= (abuf0[i2 ]*yalpha1+abuf1[i2 ]*yalpha)>>19; \
|
|
A2= (abuf0[i2+1]*yalpha1+abuf1[i2+1]*yalpha)>>19; \
|
|
}
|
|
|
|
#define YSCALE_YUV_2_GRAY16_2_C \
|
|
for (i=0; i<(dstW>>1); i++) { \
|
|
const int i2= 2*i; \
|
|
int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>11; \
|
|
int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>11;
|
|
|
|
#define YSCALE_YUV_2_RGB2_C(type,alpha) \
|
|
YSCALE_YUV_2_PACKED2_C(type,alpha)\
|
|
r = (type *)c->table_rV[V];\
|
|
g = (type *)(c->table_gU[U] + c->table_gV[V]);\
|
|
b = (type *)c->table_bU[U];
|
|
|
|
#define YSCALE_YUV_2_PACKED1_C(type,alpha) \
|
|
for (i=0; i<(dstW>>1); i++) {\
|
|
const int i2= 2*i;\
|
|
int Y1= buf0[i2 ]>>7;\
|
|
int Y2= buf0[i2+1]>>7;\
|
|
int U= (ubuf1[i])>>7;\
|
|
int V= (vbuf1[i])>>7;\
|
|
type av_unused *r, *b, *g;\
|
|
int av_unused A1, A2;\
|
|
if (alpha) {\
|
|
A1= abuf0[i2 ]>>7;\
|
|
A2= abuf0[i2+1]>>7;\
|
|
}
|
|
|
|
#define YSCALE_YUV_2_GRAY16_1_C \
|
|
for (i=0; i<(dstW>>1); i++) {\
|
|
const int i2= 2*i;\
|
|
int Y1= buf0[i2 ]<<1;\
|
|
int Y2= buf0[i2+1]<<1;
|
|
|
|
#define YSCALE_YUV_2_RGB1_C(type,alpha) \
|
|
YSCALE_YUV_2_PACKED1_C(type,alpha)\
|
|
r = (type *)c->table_rV[V];\
|
|
g = (type *)(c->table_gU[U] + c->table_gV[V]);\
|
|
b = (type *)c->table_bU[U];
|
|
|
|
#define YSCALE_YUV_2_PACKED1B_C(type,alpha) \
|
|
for (i=0; i<(dstW>>1); i++) {\
|
|
const int i2= 2*i;\
|
|
int Y1= buf0[i2 ]>>7;\
|
|
int Y2= buf0[i2+1]>>7;\
|
|
int U= (ubuf0[i] + ubuf1[i])>>8;\
|
|
int V= (vbuf0[i] + vbuf1[i])>>8;\
|
|
type av_unused *r, *b, *g;\
|
|
int av_unused A1, A2;\
|
|
if (alpha) {\
|
|
A1= abuf0[i2 ]>>7;\
|
|
A2= abuf0[i2+1]>>7;\
|
|
}
|
|
|
|
#define YSCALE_YUV_2_RGB1B_C(type,alpha) \
|
|
YSCALE_YUV_2_PACKED1B_C(type,alpha)\
|
|
r = (type *)c->table_rV[V];\
|
|
g = (type *)(c->table_gU[U] + c->table_gV[V]);\
|
|
b = (type *)c->table_bU[U];
|
|
|
|
#define YSCALE_YUV_2_MONO2_C \
|
|
const uint8_t * const d128=dither_8x8_220[y&7];\
|
|
uint8_t *g= c->table_gU[128] + c->table_gV[128];\
|
|
for (i=0; i<dstW-7; i+=8) {\
|
|
int acc;\
|
|
acc = g[((buf0[i ]*yalpha1+buf1[i ]*yalpha)>>19) + d128[0]];\
|
|
acc+= acc + g[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19) + d128[1]];\
|
|
acc+= acc + g[((buf0[i+2]*yalpha1+buf1[i+2]*yalpha)>>19) + d128[2]];\
|
|
acc+= acc + g[((buf0[i+3]*yalpha1+buf1[i+3]*yalpha)>>19) + d128[3]];\
|
|
acc+= acc + g[((buf0[i+4]*yalpha1+buf1[i+4]*yalpha)>>19) + d128[4]];\
|
|
acc+= acc + g[((buf0[i+5]*yalpha1+buf1[i+5]*yalpha)>>19) + d128[5]];\
|
|
acc+= acc + g[((buf0[i+6]*yalpha1+buf1[i+6]*yalpha)>>19) + d128[6]];\
|
|
acc+= acc + g[((buf0[i+7]*yalpha1+buf1[i+7]*yalpha)>>19) + d128[7]];\
|
|
((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\
|
|
dest++;\
|
|
}
|
|
|
|
#define YSCALE_YUV_2_MONOX_C \
|
|
const uint8_t * const d128=dither_8x8_220[y&7];\
|
|
uint8_t *g= c->table_gU[128] + c->table_gV[128];\
|
|
int acc=0;\
|
|
for (i=0; i<dstW-1; i+=2) {\
|
|
int j;\
|
|
int Y1=1<<18;\
|
|
int Y2=1<<18;\
|
|
\
|
|
for (j=0; j<lumFilterSize; j++) {\
|
|
Y1 += lumSrc[j][i] * lumFilter[j];\
|
|
Y2 += lumSrc[j][i+1] * lumFilter[j];\
|
|
}\
|
|
Y1>>=19;\
|
|
Y2>>=19;\
|
|
if ((Y1|Y2)&256) {\
|
|
if (Y1>255) Y1=255;\
|
|
else if (Y1<0)Y1=0;\
|
|
if (Y2>255) Y2=255;\
|
|
else if (Y2<0)Y2=0;\
|
|
}\
|
|
acc+= acc + g[Y1+d128[(i+0)&7]];\
|
|
acc+= acc + g[Y2+d128[(i+1)&7]];\
|
|
if ((i&7)==6) {\
|
|
((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\
|
|
dest++;\
|
|
}\
|
|
}
|
|
|
|
#define YSCALE_YUV_2_ANYRGB_C(func, func2, func_g16, func_monoblack)\
|
|
switch(c->dstFormat) {\
|
|
case PIX_FMT_RGB48BE:\
|
|
case PIX_FMT_RGB48LE:\
|
|
func(uint8_t,0)\
|
|
((uint8_t*)dest)[ 0]= r[Y1];\
|
|
((uint8_t*)dest)[ 1]= r[Y1];\
|
|
((uint8_t*)dest)[ 2]= g[Y1];\
|
|
((uint8_t*)dest)[ 3]= g[Y1];\
|
|
((uint8_t*)dest)[ 4]= b[Y1];\
|
|
((uint8_t*)dest)[ 5]= b[Y1];\
|
|
((uint8_t*)dest)[ 6]= r[Y2];\
|
|
((uint8_t*)dest)[ 7]= r[Y2];\
|
|
((uint8_t*)dest)[ 8]= g[Y2];\
|
|
((uint8_t*)dest)[ 9]= g[Y2];\
|
|
((uint8_t*)dest)[10]= b[Y2];\
|
|
((uint8_t*)dest)[11]= b[Y2];\
|
|
dest+=12;\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_BGR48BE:\
|
|
case PIX_FMT_BGR48LE:\
|
|
func(uint8_t,0)\
|
|
((uint8_t*)dest)[ 0] = ((uint8_t*)dest)[ 1] = b[Y1];\
|
|
((uint8_t*)dest)[ 2] = ((uint8_t*)dest)[ 3] = g[Y1];\
|
|
((uint8_t*)dest)[ 4] = ((uint8_t*)dest)[ 5] = r[Y1];\
|
|
((uint8_t*)dest)[ 6] = ((uint8_t*)dest)[ 7] = b[Y2];\
|
|
((uint8_t*)dest)[ 8] = ((uint8_t*)dest)[ 9] = g[Y2];\
|
|
((uint8_t*)dest)[10] = ((uint8_t*)dest)[11] = r[Y2];\
|
|
dest+=12;\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_RGBA:\
|
|
case PIX_FMT_BGRA:\
|
|
if (CONFIG_SMALL) {\
|
|
int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;\
|
|
func(uint32_t,needAlpha)\
|
|
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (needAlpha ? (A1<<24) : 0);\
|
|
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (needAlpha ? (A2<<24) : 0);\
|
|
}\
|
|
} else {\
|
|
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {\
|
|
func(uint32_t,1)\
|
|
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (A1<<24);\
|
|
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (A2<<24);\
|
|
}\
|
|
} else {\
|
|
func(uint32_t,0)\
|
|
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\
|
|
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\
|
|
}\
|
|
}\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_ARGB:\
|
|
case PIX_FMT_ABGR:\
|
|
if (CONFIG_SMALL) {\
|
|
int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;\
|
|
func(uint32_t,needAlpha)\
|
|
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (needAlpha ? A1 : 0);\
|
|
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (needAlpha ? A2 : 0);\
|
|
}\
|
|
} else {\
|
|
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {\
|
|
func(uint32_t,1)\
|
|
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + A1;\
|
|
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + A2;\
|
|
}\
|
|
} else {\
|
|
func(uint32_t,0)\
|
|
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\
|
|
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\
|
|
}\
|
|
}\
|
|
} \
|
|
break;\
|
|
case PIX_FMT_RGB24:\
|
|
func(uint8_t,0)\
|
|
((uint8_t*)dest)[0]= r[Y1];\
|
|
((uint8_t*)dest)[1]= g[Y1];\
|
|
((uint8_t*)dest)[2]= b[Y1];\
|
|
((uint8_t*)dest)[3]= r[Y2];\
|
|
((uint8_t*)dest)[4]= g[Y2];\
|
|
((uint8_t*)dest)[5]= b[Y2];\
|
|
dest+=6;\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_BGR24:\
|
|
func(uint8_t,0)\
|
|
((uint8_t*)dest)[0]= b[Y1];\
|
|
((uint8_t*)dest)[1]= g[Y1];\
|
|
((uint8_t*)dest)[2]= r[Y1];\
|
|
((uint8_t*)dest)[3]= b[Y2];\
|
|
((uint8_t*)dest)[4]= g[Y2];\
|
|
((uint8_t*)dest)[5]= r[Y2];\
|
|
dest+=6;\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_RGB565BE:\
|
|
case PIX_FMT_RGB565LE:\
|
|
case PIX_FMT_BGR565BE:\
|
|
case PIX_FMT_BGR565LE:\
|
|
{\
|
|
const int dr1= dither_2x2_8[y&1 ][0];\
|
|
const int dg1= dither_2x2_4[y&1 ][0];\
|
|
const int db1= dither_2x2_8[(y&1)^1][0];\
|
|
const int dr2= dither_2x2_8[y&1 ][1];\
|
|
const int dg2= dither_2x2_4[y&1 ][1];\
|
|
const int db2= dither_2x2_8[(y&1)^1][1];\
|
|
func(uint16_t,0)\
|
|
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
|
|
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
|
|
}\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_RGB555BE:\
|
|
case PIX_FMT_RGB555LE:\
|
|
case PIX_FMT_BGR555BE:\
|
|
case PIX_FMT_BGR555LE:\
|
|
{\
|
|
const int dr1= dither_2x2_8[y&1 ][0];\
|
|
const int dg1= dither_2x2_8[y&1 ][1];\
|
|
const int db1= dither_2x2_8[(y&1)^1][0];\
|
|
const int dr2= dither_2x2_8[y&1 ][1];\
|
|
const int dg2= dither_2x2_8[y&1 ][0];\
|
|
const int db2= dither_2x2_8[(y&1)^1][1];\
|
|
func(uint16_t,0)\
|
|
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
|
|
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
|
|
}\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_RGB444BE:\
|
|
case PIX_FMT_RGB444LE:\
|
|
case PIX_FMT_BGR444BE:\
|
|
case PIX_FMT_BGR444LE:\
|
|
{\
|
|
const int dr1= dither_4x4_16[y&3 ][0];\
|
|
const int dg1= dither_4x4_16[y&3 ][1];\
|
|
const int db1= dither_4x4_16[(y&3)^3][0];\
|
|
const int dr2= dither_4x4_16[y&3 ][1];\
|
|
const int dg2= dither_4x4_16[y&3 ][0];\
|
|
const int db2= dither_4x4_16[(y&3)^3][1];\
|
|
func(uint16_t,0)\
|
|
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
|
|
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
|
|
}\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_RGB8:\
|
|
case PIX_FMT_BGR8:\
|
|
{\
|
|
const uint8_t * const d64= dither_8x8_73[y&7];\
|
|
const uint8_t * const d32= dither_8x8_32[y&7];\
|
|
func(uint8_t,0)\
|
|
((uint8_t*)dest)[i2+0]= r[Y1+d32[(i2+0)&7]] + g[Y1+d32[(i2+0)&7]] + b[Y1+d64[(i2+0)&7]];\
|
|
((uint8_t*)dest)[i2+1]= r[Y2+d32[(i2+1)&7]] + g[Y2+d32[(i2+1)&7]] + b[Y2+d64[(i2+1)&7]];\
|
|
}\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_RGB4:\
|
|
case PIX_FMT_BGR4:\
|
|
{\
|
|
const uint8_t * const d64= dither_8x8_73 [y&7];\
|
|
const uint8_t * const d128=dither_8x8_220[y&7];\
|
|
func(uint8_t,0)\
|
|
((uint8_t*)dest)[i]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]]\
|
|
+ ((r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]])<<4);\
|
|
}\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_RGB4_BYTE:\
|
|
case PIX_FMT_BGR4_BYTE:\
|
|
{\
|
|
const uint8_t * const d64= dither_8x8_73 [y&7];\
|
|
const uint8_t * const d128=dither_8x8_220[y&7];\
|
|
func(uint8_t,0)\
|
|
((uint8_t*)dest)[i2+0]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];\
|
|
((uint8_t*)dest)[i2+1]= r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]];\
|
|
}\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_MONOBLACK:\
|
|
case PIX_FMT_MONOWHITE:\
|
|
{\
|
|
func_monoblack\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_YUYV422:\
|
|
func2\
|
|
((uint8_t*)dest)[2*i2+0]= Y1;\
|
|
((uint8_t*)dest)[2*i2+1]= U;\
|
|
((uint8_t*)dest)[2*i2+2]= Y2;\
|
|
((uint8_t*)dest)[2*i2+3]= V;\
|
|
} \
|
|
break;\
|
|
case PIX_FMT_UYVY422:\
|
|
func2\
|
|
((uint8_t*)dest)[2*i2+0]= U;\
|
|
((uint8_t*)dest)[2*i2+1]= Y1;\
|
|
((uint8_t*)dest)[2*i2+2]= V;\
|
|
((uint8_t*)dest)[2*i2+3]= Y2;\
|
|
} \
|
|
break;\
|
|
case PIX_FMT_GRAY16BE:\
|
|
func_g16\
|
|
((uint8_t*)dest)[2*i2+0]= Y1>>8;\
|
|
((uint8_t*)dest)[2*i2+1]= Y1;\
|
|
((uint8_t*)dest)[2*i2+2]= Y2>>8;\
|
|
((uint8_t*)dest)[2*i2+3]= Y2;\
|
|
} \
|
|
break;\
|
|
case PIX_FMT_GRAY16LE:\
|
|
func_g16\
|
|
((uint8_t*)dest)[2*i2+0]= Y1;\
|
|
((uint8_t*)dest)[2*i2+1]= Y1>>8;\
|
|
((uint8_t*)dest)[2*i2+2]= Y2;\
|
|
((uint8_t*)dest)[2*i2+3]= Y2>>8;\
|
|
} \
|
|
break;\
|
|
}
|
|
|
|
static inline void yuv2packedXinC(SwsContext *c, const int16_t *lumFilter,
|
|
const int16_t **lumSrc, int lumFilterSize,
|
|
const int16_t *chrFilter, const int16_t **chrUSrc,
|
|
const int16_t **chrVSrc, int chrFilterSize,
|
|
const int16_t **alpSrc, uint8_t *dest, int dstW, int y)
|
|
{
|
|
int i;
|
|
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)
|
|
}
|
|
|
|
static inline void yuv2rgbXinC_full(SwsContext *c, const int16_t *lumFilter,
|
|
const int16_t **lumSrc, int lumFilterSize,
|
|
const int16_t *chrFilter, const int16_t **chrUSrc,
|
|
const int16_t **chrVSrc, int chrFilterSize,
|
|
const int16_t **alpSrc, uint8_t *dest, int dstW, int y)
|
|
{
|
|
int i;
|
|
int step= c->dstFormatBpp/8;
|
|
int aidx= 3;
|
|
|
|
switch(c->dstFormat) {
|
|
case PIX_FMT_ARGB:
|
|
dest++;
|
|
aidx= 0;
|
|
case PIX_FMT_RGB24:
|
|
aidx--;
|
|
case PIX_FMT_RGBA:
|
|
if (CONFIG_SMALL) {
|
|
int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;
|
|
YSCALE_YUV_2_RGBX_FULL_C(1<<21, needAlpha)
|
|
dest[aidx]= needAlpha ? A : 255;
|
|
dest[0]= R>>22;
|
|
dest[1]= G>>22;
|
|
dest[2]= B>>22;
|
|
dest+= step;
|
|
}
|
|
} else {
|
|
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
|
|
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 1)
|
|
dest[aidx]= A;
|
|
dest[0]= R>>22;
|
|
dest[1]= G>>22;
|
|
dest[2]= B>>22;
|
|
dest+= step;
|
|
}
|
|
} else {
|
|
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 0)
|
|
dest[aidx]= 255;
|
|
dest[0]= R>>22;
|
|
dest[1]= G>>22;
|
|
dest[2]= B>>22;
|
|
dest+= step;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case PIX_FMT_ABGR:
|
|
dest++;
|
|
aidx= 0;
|
|
case PIX_FMT_BGR24:
|
|
aidx--;
|
|
case PIX_FMT_BGRA:
|
|
if (CONFIG_SMALL) {
|
|
int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;
|
|
YSCALE_YUV_2_RGBX_FULL_C(1<<21, needAlpha)
|
|
dest[aidx]= needAlpha ? A : 255;
|
|
dest[0]= B>>22;
|
|
dest[1]= G>>22;
|
|
dest[2]= R>>22;
|
|
dest+= step;
|
|
}
|
|
} else {
|
|
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
|
|
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 1)
|
|
dest[aidx]= A;
|
|
dest[0]= B>>22;
|
|
dest[1]= G>>22;
|
|
dest[2]= R>>22;
|
|
dest+= step;
|
|
}
|
|
} else {
|
|
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 0)
|
|
dest[aidx]= 255;
|
|
dest[0]= B>>22;
|
|
dest[1]= G>>22;
|
|
dest[2]= R>>22;
|
|
dest+= step;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
static void fillPlane(uint8_t* plane, int stride, int width, int height, int y, uint8_t val)
|
|
{
|
|
int i;
|
|
uint8_t *ptr = plane + stride*y;
|
|
for (i=0; i<height; i++) {
|
|
memset(ptr, val, width);
|
|
ptr += stride;
|
|
}
|
|
}
|
|
|
|
#define RGB48(name, R, B, READ)\
|
|
static inline void name ## ToY(int16_t *dst, const uint16_t *src, int width, uint32_t *unused)\
|
|
{\
|
|
int i;\
|
|
for (i = 0; i < width; i++) {\
|
|
int r = READ(&src[i*3+R]);\
|
|
int g = READ(&src[i*3+1]);\
|
|
int b = READ(&src[i*3+B]);\
|
|
\
|
|
dst[i] = (RY*r + GY*g + BY*b + (32<<(RGB2YUV_SHIFT-1+8)) + (1<<(RGB2YUV_SHIFT-7+8))) >> (RGB2YUV_SHIFT-6+8);\
|
|
}\
|
|
}\
|
|
\
|
|
static inline void name ## ToUV(int16_t *dstU, int16_t *dstV,\
|
|
const uint16_t *src1, const uint16_t *src2,\
|
|
int width, uint32_t *unused)\
|
|
{\
|
|
int i;\
|
|
assert(src1==src2);\
|
|
for (i = 0; i < width; i++) {\
|
|
int r = READ(&src1[3*i + R]);\
|
|
int g = READ(&src1[3*i + 1]);\
|
|
int b = READ(&src1[3*i + B]);\
|
|
\
|
|
dstU[i] = (RU*r + GU*g + BU*b + (256<<(RGB2YUV_SHIFT-1+8)) + (1<<(RGB2YUV_SHIFT-7+8))) >> (RGB2YUV_SHIFT-6+8);\
|
|
dstV[i] = (RV*r + GV*g + BV*b + (256<<(RGB2YUV_SHIFT-1+8)) + (1<<(RGB2YUV_SHIFT-7+8))) >> (RGB2YUV_SHIFT-6+8);\
|
|
}\
|
|
}\
|
|
\
|
|
static inline void name ## ToUV_half(int16_t *dstU, int16_t *dstV,\
|
|
const uint16_t *src1, const uint16_t *src2,\
|
|
int width, uint32_t *unused)\
|
|
{\
|
|
int i;\
|
|
assert(src1==src2);\
|
|
for (i = 0; i < width; i++) {\
|
|
int r= READ(&src1[6*i + R]) + READ(&src1[6*i + 3+R]);\
|
|
int g= READ(&src1[6*i + 1]) + READ(&src1[6*i + 4]);\
|
|
int b= READ(&src1[6*i + B]) + READ(&src1[6*i + 3+B]);\
|
|
\
|
|
dstU[i]= (RU*r + GU*g + BU*b + (256U<<(RGB2YUV_SHIFT+8)) + (1<<(RGB2YUV_SHIFT-6+8))) >> (RGB2YUV_SHIFT-5+8);\
|
|
dstV[i]= (RV*r + GV*g + BV*b + (256U<<(RGB2YUV_SHIFT+8)) + (1<<(RGB2YUV_SHIFT-6+8))) >> (RGB2YUV_SHIFT-5+8);\
|
|
}\
|
|
}
|
|
|
|
RGB48(rgb48LE, 0, 2, AV_RL16)
|
|
RGB48(rgb48BE, 0, 2, AV_RB16)
|
|
RGB48(bgr48LE, 2, 0, AV_RL16)
|
|
RGB48(bgr48BE, 2, 0, AV_RB16)
|
|
|
|
#define BGR2Y(type, name, shr, shg, shb, maskr, maskg, maskb, RY, GY, BY, S)\
|
|
static inline void name(int16_t *dst, const uint8_t *src, int width, uint32_t *unused)\
|
|
{\
|
|
int i;\
|
|
for (i=0; i<width; i++) {\
|
|
int b= (((const type*)src)[i]>>shb)&maskb;\
|
|
int g= (((const type*)src)[i]>>shg)&maskg;\
|
|
int r= (((const type*)src)[i]>>shr)&maskr;\
|
|
\
|
|
dst[i]= (((RY)*r + (GY)*g + (BY)*b + (32<<((S)-1)) + (1<<(S-7)))>>((S)-6));\
|
|
}\
|
|
}
|
|
|
|
BGR2Y(uint32_t, bgr32ToY,16, 0, 0, 0x00FF, 0xFF00, 0x00FF, RY<< 8, GY , BY<< 8, RGB2YUV_SHIFT+8)
|
|
BGR2Y(uint32_t,bgr321ToY,16,16, 0, 0xFF00, 0x00FF, 0xFF00, RY , GY<<8, BY , RGB2YUV_SHIFT+8)
|
|
BGR2Y(uint32_t, rgb32ToY, 0, 0,16, 0x00FF, 0xFF00, 0x00FF, RY<< 8, GY , BY<< 8, RGB2YUV_SHIFT+8)
|
|
BGR2Y(uint32_t,rgb321ToY, 0,16,16, 0xFF00, 0x00FF, 0xFF00, RY , GY<<8, BY , RGB2YUV_SHIFT+8)
|
|
BGR2Y(uint16_t, bgr16ToY, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RY<<11, GY<<5, BY , RGB2YUV_SHIFT+8)
|
|
BGR2Y(uint16_t, bgr15ToY, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RY<<10, GY<<5, BY , RGB2YUV_SHIFT+7)
|
|
BGR2Y(uint16_t, rgb16ToY, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RY , GY<<5, BY<<11, RGB2YUV_SHIFT+8)
|
|
BGR2Y(uint16_t, rgb15ToY, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RY , GY<<5, BY<<10, RGB2YUV_SHIFT+7)
|
|
|
|
static inline void abgrToA(int16_t *dst, const uint8_t *src, int width, uint32_t *unused)
|
|
{
|
|
int i;
|
|
for (i=0; i<width; i++) {
|
|
dst[i]= src[4*i]<<6;
|
|
}
|
|
}
|
|
|
|
#define BGR2UV(type, name, shr, shg, shb, shp, maskr, maskg, maskb, RU, GU, BU, RV, GV, BV, S) \
|
|
static inline void name(int16_t *dstU, int16_t *dstV, const uint8_t *src, const uint8_t *dummy, int width, uint32_t *unused)\
|
|
{\
|
|
int i;\
|
|
for (i=0; i<width; i++) {\
|
|
int b= ((((const type*)src)[i]>>shp)&maskb)>>shb;\
|
|
int g= ((((const type*)src)[i]>>shp)&maskg)>>shg;\
|
|
int r= ((((const type*)src)[i]>>shp)&maskr)>>shr;\
|
|
\
|
|
dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (256<<((S)-1)) + (1<<(S-7)))>>((S)-6);\
|
|
dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (256<<((S)-1)) + (1<<(S-7)))>>((S)-6);\
|
|
}\
|
|
}\
|
|
static inline void name ## _half(int16_t *dstU, int16_t *dstV, const uint8_t *src, const uint8_t *dummy, int width, uint32_t *unused)\
|
|
{\
|
|
int i;\
|
|
for (i=0; i<width; i++) {\
|
|
int pix0= ((const type*)src)[2*i+0]>>shp;\
|
|
int pix1= ((const type*)src)[2*i+1]>>shp;\
|
|
int g= (pix0&~(maskr|maskb))+(pix1&~(maskr|maskb));\
|
|
int b= ((pix0+pix1-g)&(maskb|(2*maskb)))>>shb;\
|
|
int r= ((pix0+pix1-g)&(maskr|(2*maskr)))>>shr;\
|
|
g&= maskg|(2*maskg);\
|
|
\
|
|
g>>=shg;\
|
|
\
|
|
dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (256U<<(S)) + (1<<(S-6)))>>((S)-6+1);\
|
|
dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (256U<<(S)) + (1<<(S-6)))>>((S)-6+1);\
|
|
}\
|
|
}
|
|
|
|
BGR2UV(uint32_t, bgr32ToUV,16, 0, 0, 0, 0xFF0000, 0xFF00, 0x00FF, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8)
|
|
BGR2UV(uint32_t,bgr321ToUV,16, 0, 0, 8, 0xFF0000, 0xFF00, 0x00FF, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8)
|
|
BGR2UV(uint32_t, rgb32ToUV, 0, 0,16, 0, 0x00FF, 0xFF00, 0xFF0000, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8)
|
|
BGR2UV(uint32_t,rgb321ToUV, 0, 0,16, 8, 0x00FF, 0xFF00, 0xFF0000, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8)
|
|
BGR2UV(uint16_t, bgr16ToUV, 0, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RU<<11, GU<<5, BU , RV<<11, GV<<5, BV , RGB2YUV_SHIFT+8)
|
|
BGR2UV(uint16_t, bgr15ToUV, 0, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RU<<10, GU<<5, BU , RV<<10, GV<<5, BV , RGB2YUV_SHIFT+7)
|
|
BGR2UV(uint16_t, rgb16ToUV, 0, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RU , GU<<5, BU<<11, RV , GV<<5, BV<<11, RGB2YUV_SHIFT+8)
|
|
BGR2UV(uint16_t, rgb15ToUV, 0, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RU , GU<<5, BU<<10, RV , GV<<5, BV<<10, RGB2YUV_SHIFT+7)
|
|
|
|
static inline void palToA(int16_t *dst, const uint8_t *src, int width, uint32_t *pal)
|
|
{
|
|
int i;
|
|
for (i=0; i<width; i++) {
|
|
int d= src[i];
|
|
|
|
dst[i]= (pal[d] >> 24)<<6;
|
|
}
|
|
}
|
|
|
|
static inline void palToY(int16_t *dst, const uint8_t *src, long width, uint32_t *pal)
|
|
{
|
|
int i;
|
|
for (i=0; i<width; i++) {
|
|
int d= src[i];
|
|
|
|
dst[i]= (pal[d] & 0xFF)<<6;
|
|
}
|
|
}
|
|
|
|
static inline void palToUV(uint16_t *dstU, int16_t *dstV,
|
|
const uint8_t *src1, const uint8_t *src2,
|
|
int width, uint32_t *pal)
|
|
{
|
|
int i;
|
|
assert(src1 == src2);
|
|
for (i=0; i<width; i++) {
|
|
int p= pal[src1[i]];
|
|
|
|
dstU[i]= (uint8_t)(p>> 8)<<6;
|
|
dstV[i]= (uint8_t)(p>>16)<<6;
|
|
}
|
|
}
|
|
|
|
static inline void monowhite2Y(int16_t *dst, const uint8_t *src, int width, uint32_t *unused)
|
|
{
|
|
int i, j;
|
|
for (i=0; i<width/8; i++) {
|
|
int d= ~src[i];
|
|
for(j=0; j<8; j++)
|
|
dst[8*i+j]= ((d>>(7-j))&1)*16383;
|
|
}
|
|
}
|
|
|
|
static inline void monoblack2Y(int16_t *dst, const uint8_t *src, int width, uint32_t *unused)
|
|
{
|
|
int i, j;
|
|
for (i=0; i<width/8; i++) {
|
|
int d= src[i];
|
|
for(j=0; j<8; j++)
|
|
dst[8*i+j]= ((d>>(7-j))&1)*16383;
|
|
}
|
|
}
|
|
|
|
//Note: we have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW+MMX2 one
|
|
//Plain C versions
|
|
|
|
#define COMPILE_TEMPLATE_MMX2 0
|
|
#define COMPILE_TEMPLATE_ALTIVEC 0
|
|
|
|
#include "swscale_template.c"
|
|
|
|
#if HAVE_ALTIVEC
|
|
#undef RENAME
|
|
#undef COMPILE_TEMPLATE_ALTIVEC
|
|
#define COMPILE_TEMPLATE_ALTIVEC 1
|
|
#define RENAME(a) a ## _altivec
|
|
#include "ppc/swscale_template.c"
|
|
#endif
|
|
|
|
//MMX versions
|
|
#if HAVE_MMX
|
|
#undef RENAME
|
|
#undef COMPILE_TEMPLATE_MMX2
|
|
#define COMPILE_TEMPLATE_MMX2 0
|
|
#define RENAME(a) a ## _MMX
|
|
#include "x86/swscale_template.c"
|
|
#endif
|
|
|
|
//MMX2 versions
|
|
#if HAVE_MMX2
|
|
#undef RENAME
|
|
#undef COMPILE_TEMPLATE_MMX2
|
|
#define COMPILE_TEMPLATE_MMX2 1
|
|
#define RENAME(a) a ## _MMX2
|
|
#include "x86/swscale_template.c"
|
|
#endif
|
|
|
|
SwsFunc ff_getSwsFunc(SwsContext *c)
|
|
{
|
|
int cpu_flags = av_get_cpu_flags();
|
|
|
|
sws_init_swScale_c(c);
|
|
|
|
#if HAVE_MMX
|
|
if (cpu_flags & AV_CPU_FLAG_MMX)
|
|
sws_init_swScale_MMX(c);
|
|
#endif
|
|
#if HAVE_MMX2
|
|
if (cpu_flags & AV_CPU_FLAG_MMX2)
|
|
sws_init_swScale_MMX2(c);
|
|
#endif
|
|
#if HAVE_ALTIVEC
|
|
if (cpu_flags & AV_CPU_FLAG_ALTIVEC)
|
|
sws_init_swScale_altivec(c);
|
|
#endif
|
|
|
|
return swScale_c;
|
|
}
|
|
|
|
static void copyPlane(const uint8_t *src, int srcStride,
|
|
int srcSliceY, int srcSliceH, int width,
|
|
uint8_t *dst, int dstStride)
|
|
{
|
|
dst += dstStride * srcSliceY;
|
|
if (dstStride == srcStride && srcStride > 0) {
|
|
memcpy(dst, src, srcSliceH * dstStride);
|
|
} else {
|
|
int i;
|
|
for (i=0; i<srcSliceH; i++) {
|
|
memcpy(dst, src, width);
|
|
src += srcStride;
|
|
dst += dstStride;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int planarToNv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dstParam[], int dstStride[])
|
|
{
|
|
uint8_t *dst = dstParam[1] + dstStride[1]*srcSliceY/2;
|
|
|
|
copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
|
|
dstParam[0], dstStride[0]);
|
|
|
|
if (c->dstFormat == PIX_FMT_NV12)
|
|
interleaveBytes(src[1], src[2], dst, c->srcW/2, srcSliceH/2, srcStride[1], srcStride[2], dstStride[0]);
|
|
else
|
|
interleaveBytes(src[2], src[1], dst, c->srcW/2, srcSliceH/2, srcStride[2], srcStride[1], dstStride[0]);
|
|
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int planarToYuy2Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dstParam[], int dstStride[])
|
|
{
|
|
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
|
|
|
|
yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]);
|
|
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int planarToUyvyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dstParam[], int dstStride[])
|
|
{
|
|
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
|
|
|
|
yv12touyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]);
|
|
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int yuv422pToYuy2Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dstParam[], int dstStride[])
|
|
{
|
|
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
|
|
|
|
yuv422ptoyuy2(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]);
|
|
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int yuv422pToUyvyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dstParam[], int dstStride[])
|
|
{
|
|
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
|
|
|
|
yuv422ptouyvy(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]);
|
|
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int yuyvToYuv420Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dstParam[], int dstStride[])
|
|
{
|
|
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY;
|
|
uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY/2;
|
|
uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY/2;
|
|
|
|
yuyvtoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]);
|
|
|
|
if (dstParam[3])
|
|
fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
|
|
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int yuyvToYuv422Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dstParam[], int dstStride[])
|
|
{
|
|
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY;
|
|
uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY;
|
|
uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY;
|
|
|
|
yuyvtoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]);
|
|
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int uyvyToYuv420Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dstParam[], int dstStride[])
|
|
{
|
|
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY;
|
|
uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY/2;
|
|
uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY/2;
|
|
|
|
uyvytoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]);
|
|
|
|
if (dstParam[3])
|
|
fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
|
|
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int uyvyToYuv422Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dstParam[], int dstStride[])
|
|
{
|
|
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY;
|
|
uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY;
|
|
uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY;
|
|
|
|
uyvytoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]);
|
|
|
|
return srcSliceH;
|
|
}
|
|
|
|
static void gray8aToPacked32(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette)
|
|
{
|
|
int i;
|
|
for (i=0; i<num_pixels; i++)
|
|
((uint32_t *) dst)[i] = ((const uint32_t *)palette)[src[i<<1]] | (src[(i<<1)+1] << 24);
|
|
}
|
|
|
|
static void gray8aToPacked32_1(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette)
|
|
{
|
|
int i;
|
|
|
|
for (i=0; i<num_pixels; i++)
|
|
((uint32_t *) dst)[i] = ((const uint32_t *)palette)[src[i<<1]] | src[(i<<1)+1];
|
|
}
|
|
|
|
static void gray8aToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette)
|
|
{
|
|
int i;
|
|
|
|
for (i=0; i<num_pixels; i++) {
|
|
//FIXME slow?
|
|
dst[0]= palette[src[i<<1]*4+0];
|
|
dst[1]= palette[src[i<<1]*4+1];
|
|
dst[2]= palette[src[i<<1]*4+2];
|
|
dst+= 3;
|
|
}
|
|
}
|
|
|
|
static int palToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dst[], int dstStride[])
|
|
{
|
|
const enum PixelFormat srcFormat= c->srcFormat;
|
|
const enum PixelFormat dstFormat= c->dstFormat;
|
|
void (*conv)(const uint8_t *src, uint8_t *dst, int num_pixels,
|
|
const uint8_t *palette)=NULL;
|
|
int i;
|
|
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
|
|
const uint8_t *srcPtr= src[0];
|
|
|
|
if (srcFormat == PIX_FMT_GRAY8A) {
|
|
switch (dstFormat) {
|
|
case PIX_FMT_RGB32 : conv = gray8aToPacked32; break;
|
|
case PIX_FMT_BGR32 : conv = gray8aToPacked32; break;
|
|
case PIX_FMT_BGR32_1: conv = gray8aToPacked32_1; break;
|
|
case PIX_FMT_RGB32_1: conv = gray8aToPacked32_1; break;
|
|
case PIX_FMT_RGB24 : conv = gray8aToPacked24; break;
|
|
case PIX_FMT_BGR24 : conv = gray8aToPacked24; break;
|
|
}
|
|
} else if (usePal(srcFormat)) {
|
|
switch (dstFormat) {
|
|
case PIX_FMT_RGB32 : conv = sws_convertPalette8ToPacked32; break;
|
|
case PIX_FMT_BGR32 : conv = sws_convertPalette8ToPacked32; break;
|
|
case PIX_FMT_BGR32_1: conv = sws_convertPalette8ToPacked32; break;
|
|
case PIX_FMT_RGB32_1: conv = sws_convertPalette8ToPacked32; break;
|
|
case PIX_FMT_RGB24 : conv = sws_convertPalette8ToPacked24; break;
|
|
case PIX_FMT_BGR24 : conv = sws_convertPalette8ToPacked24; break;
|
|
}
|
|
}
|
|
|
|
if (!conv)
|
|
av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
|
|
av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
|
|
else {
|
|
for (i=0; i<srcSliceH; i++) {
|
|
conv(srcPtr, dstPtr, c->srcW, (uint8_t *) c->pal_rgb);
|
|
srcPtr+= srcStride[0];
|
|
dstPtr+= dstStride[0];
|
|
}
|
|
}
|
|
|
|
return srcSliceH;
|
|
}
|
|
|
|
#define isRGBA32(x) ( \
|
|
(x) == PIX_FMT_ARGB \
|
|
|| (x) == PIX_FMT_RGBA \
|
|
|| (x) == PIX_FMT_BGRA \
|
|
|| (x) == PIX_FMT_ABGR \
|
|
)
|
|
|
|
/* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
|
|
static int rgbToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dst[], int dstStride[])
|
|
{
|
|
const enum PixelFormat srcFormat= c->srcFormat;
|
|
const enum PixelFormat dstFormat= c->dstFormat;
|
|
const int srcBpp= (c->srcFormatBpp + 7) >> 3;
|
|
const int dstBpp= (c->dstFormatBpp + 7) >> 3;
|
|
const int srcId= c->srcFormatBpp >> 2; /* 1:0, 4:1, 8:2, 15:3, 16:4, 24:6, 32:8 */
|
|
const int dstId= c->dstFormatBpp >> 2;
|
|
void (*conv)(const uint8_t *src, uint8_t *dst, int src_size)=NULL;
|
|
|
|
#define CONV_IS(src, dst) (srcFormat == PIX_FMT_##src && dstFormat == PIX_FMT_##dst)
|
|
|
|
if (isRGBA32(srcFormat) && isRGBA32(dstFormat)) {
|
|
if ( CONV_IS(ABGR, RGBA)
|
|
|| CONV_IS(ARGB, BGRA)
|
|
|| CONV_IS(BGRA, ARGB)
|
|
|| CONV_IS(RGBA, ABGR)) conv = shuffle_bytes_3210;
|
|
else if (CONV_IS(ABGR, ARGB)
|
|
|| CONV_IS(ARGB, ABGR)) conv = shuffle_bytes_0321;
|
|
else if (CONV_IS(ABGR, BGRA)
|
|
|| CONV_IS(ARGB, RGBA)) conv = shuffle_bytes_1230;
|
|
else if (CONV_IS(BGRA, RGBA)
|
|
|| CONV_IS(RGBA, BGRA)) conv = shuffle_bytes_2103;
|
|
else if (CONV_IS(BGRA, ABGR)
|
|
|| CONV_IS(RGBA, ARGB)) conv = shuffle_bytes_3012;
|
|
} else
|
|
/* BGR -> BGR */
|
|
if ( (isBGRinInt(srcFormat) && isBGRinInt(dstFormat))
|
|
|| (isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) {
|
|
switch(srcId | (dstId<<4)) {
|
|
case 0x34: conv= rgb16to15; break;
|
|
case 0x36: conv= rgb24to15; break;
|
|
case 0x38: conv= rgb32to15; break;
|
|
case 0x43: conv= rgb15to16; break;
|
|
case 0x46: conv= rgb24to16; break;
|
|
case 0x48: conv= rgb32to16; break;
|
|
case 0x63: conv= rgb15to24; break;
|
|
case 0x64: conv= rgb16to24; break;
|
|
case 0x68: conv= rgb32to24; break;
|
|
case 0x83: conv= rgb15to32; break;
|
|
case 0x84: conv= rgb16to32; break;
|
|
case 0x86: conv= rgb24to32; break;
|
|
}
|
|
} else if ( (isBGRinInt(srcFormat) && isRGBinInt(dstFormat))
|
|
|| (isRGBinInt(srcFormat) && isBGRinInt(dstFormat))) {
|
|
switch(srcId | (dstId<<4)) {
|
|
case 0x33: conv= rgb15tobgr15; break;
|
|
case 0x34: conv= rgb16tobgr15; break;
|
|
case 0x36: conv= rgb24tobgr15; break;
|
|
case 0x38: conv= rgb32tobgr15; break;
|
|
case 0x43: conv= rgb15tobgr16; break;
|
|
case 0x44: conv= rgb16tobgr16; break;
|
|
case 0x46: conv= rgb24tobgr16; break;
|
|
case 0x48: conv= rgb32tobgr16; break;
|
|
case 0x63: conv= rgb15tobgr24; break;
|
|
case 0x64: conv= rgb16tobgr24; break;
|
|
case 0x66: conv= rgb24tobgr24; break;
|
|
case 0x68: conv= rgb32tobgr24; break;
|
|
case 0x83: conv= rgb15tobgr32; break;
|
|
case 0x84: conv= rgb16tobgr32; break;
|
|
case 0x86: conv= rgb24tobgr32; break;
|
|
}
|
|
}
|
|
|
|
if (!conv) {
|
|
av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
|
|
av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
|
|
} else {
|
|
const uint8_t *srcPtr= src[0];
|
|
uint8_t *dstPtr= dst[0];
|
|
if ((srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1) && !isRGBA32(dstFormat))
|
|
srcPtr += ALT32_CORR;
|
|
|
|
if ((dstFormat == PIX_FMT_RGB32_1 || dstFormat == PIX_FMT_BGR32_1) && !isRGBA32(srcFormat))
|
|
dstPtr += ALT32_CORR;
|
|
|
|
if (dstStride[0]*srcBpp == srcStride[0]*dstBpp && srcStride[0] > 0 && !(srcStride[0]%srcBpp))
|
|
conv(srcPtr, dstPtr + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]);
|
|
else {
|
|
int i;
|
|
dstPtr += dstStride[0]*srcSliceY;
|
|
|
|
for (i=0; i<srcSliceH; i++) {
|
|
conv(srcPtr, dstPtr, c->srcW*srcBpp);
|
|
srcPtr+= srcStride[0];
|
|
dstPtr+= dstStride[0];
|
|
}
|
|
}
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int bgr24ToYv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dst[], int dstStride[])
|
|
{
|
|
rgb24toyv12(
|
|
src[0],
|
|
dst[0]+ srcSliceY *dstStride[0],
|
|
dst[1]+(srcSliceY>>1)*dstStride[1],
|
|
dst[2]+(srcSliceY>>1)*dstStride[2],
|
|
c->srcW, srcSliceH,
|
|
dstStride[0], dstStride[1], srcStride[0]);
|
|
if (dst[3])
|
|
fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int yvu9ToYv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dst[], int dstStride[])
|
|
{
|
|
copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
|
|
dst[0], dstStride[0]);
|
|
|
|
planar2x(src[1], dst[1] + dstStride[1]*(srcSliceY >> 1), c->chrSrcW,
|
|
srcSliceH >> 2, srcStride[1], dstStride[1]);
|
|
planar2x(src[2], dst[2] + dstStride[2]*(srcSliceY >> 1), c->chrSrcW,
|
|
srcSliceH >> 2, srcStride[2], dstStride[2]);
|
|
if (dst[3])
|
|
fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
|
|
return srcSliceH;
|
|
}
|
|
|
|
/* unscaled copy like stuff (assumes nearly identical formats) */
|
|
static int packedCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dst[], int dstStride[])
|
|
{
|
|
if (dstStride[0]==srcStride[0] && srcStride[0] > 0)
|
|
memcpy(dst[0] + dstStride[0]*srcSliceY, src[0], srcSliceH*dstStride[0]);
|
|
else {
|
|
int i;
|
|
const uint8_t *srcPtr= src[0];
|
|
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
|
|
int length=0;
|
|
|
|
/* universal length finder */
|
|
while(length+c->srcW <= FFABS(dstStride[0])
|
|
&& length+c->srcW <= FFABS(srcStride[0])) length+= c->srcW;
|
|
assert(length!=0);
|
|
|
|
for (i=0; i<srcSliceH; i++) {
|
|
memcpy(dstPtr, srcPtr, length);
|
|
srcPtr+= srcStride[0];
|
|
dstPtr+= dstStride[0];
|
|
}
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
|
|
#define DITHER_COPY(dst, dstStride, src, srcStride, bswap, dbswap)\
|
|
uint16_t scale= dither_scale[dst_depth-1][src_depth-1];\
|
|
int shift= src_depth-dst_depth + dither_scale[src_depth-2][dst_depth-1];\
|
|
for (i = 0; i < height; i++) {\
|
|
const uint8_t *dither= dithers[src_depth-9][i&7];\
|
|
for (j = 0; j < length-7; j+=8){\
|
|
dst[j+0] = dbswap((bswap(src[j+0]) + dither[0])*scale>>shift);\
|
|
dst[j+1] = dbswap((bswap(src[j+1]) + dither[1])*scale>>shift);\
|
|
dst[j+2] = dbswap((bswap(src[j+2]) + dither[2])*scale>>shift);\
|
|
dst[j+3] = dbswap((bswap(src[j+3]) + dither[3])*scale>>shift);\
|
|
dst[j+4] = dbswap((bswap(src[j+4]) + dither[4])*scale>>shift);\
|
|
dst[j+5] = dbswap((bswap(src[j+5]) + dither[5])*scale>>shift);\
|
|
dst[j+6] = dbswap((bswap(src[j+6]) + dither[6])*scale>>shift);\
|
|
dst[j+7] = dbswap((bswap(src[j+7]) + dither[7])*scale>>shift);\
|
|
}\
|
|
for (; j < length; j++)\
|
|
dst[j] = dbswap((bswap(src[j]) + dither[j&7])*scale>>shift);\
|
|
dst += dstStride;\
|
|
src += srcStride;\
|
|
}
|
|
|
|
|
|
static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dst[], int dstStride[])
|
|
{
|
|
int plane, i, j;
|
|
for (plane=0; plane<4; plane++) {
|
|
int length= (plane==0 || plane==3) ? c->srcW : -((-c->srcW )>>c->chrDstHSubSample);
|
|
int y= (plane==0 || plane==3) ? srcSliceY: -((-srcSliceY)>>c->chrDstVSubSample);
|
|
int height= (plane==0 || plane==3) ? srcSliceH: -((-srcSliceH)>>c->chrDstVSubSample);
|
|
const uint8_t *srcPtr= src[plane];
|
|
uint8_t *dstPtr= dst[plane] + dstStride[plane]*y;
|
|
|
|
if (!dst[plane]) continue;
|
|
// ignore palette for GRAY8
|
|
if (plane == 1 && !dst[2]) continue;
|
|
if (!src[plane] || (plane == 1 && !src[2])) {
|
|
if(is16BPS(c->dstFormat))
|
|
length*=2;
|
|
fillPlane(dst[plane], dstStride[plane], length, height, y, (plane==3) ? 255 : 128);
|
|
} else {
|
|
if(isNBPS(c->srcFormat) || isNBPS(c->dstFormat)
|
|
|| (is16BPS(c->srcFormat) != is16BPS(c->dstFormat))
|
|
) {
|
|
const int src_depth = av_pix_fmt_descriptors[c->srcFormat].comp[plane].depth_minus1+1;
|
|
const int dst_depth = av_pix_fmt_descriptors[c->dstFormat].comp[plane].depth_minus1+1;
|
|
const uint16_t *srcPtr2 = (const uint16_t*)srcPtr;
|
|
uint16_t *dstPtr2 = (uint16_t*)dstPtr;
|
|
|
|
if (dst_depth == 8) {
|
|
if(isBE(c->srcFormat) == HAVE_BIGENDIAN){
|
|
DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, , )
|
|
} else {
|
|
DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, av_bswap16, )
|
|
}
|
|
} else if (src_depth == 8) {
|
|
for (i = 0; i < height; i++) {
|
|
if(isBE(c->dstFormat)){
|
|
for (j = 0; j < length; j++)
|
|
AV_WB16(&dstPtr2[j], (srcPtr[j]<<(dst_depth-8)) |
|
|
(srcPtr[j]>>(2*8-dst_depth)));
|
|
} else {
|
|
for (j = 0; j < length; j++)
|
|
AV_WL16(&dstPtr2[j], (srcPtr[j]<<(dst_depth-8)) |
|
|
(srcPtr[j]>>(2*8-dst_depth)));
|
|
}
|
|
dstPtr2 += dstStride[plane]/2;
|
|
srcPtr += srcStride[plane];
|
|
}
|
|
} else if (src_depth <= dst_depth) {
|
|
for (i = 0; i < height; i++) {
|
|
#define COPY_UP(r,w) \
|
|
for (j = 0; j < length; j++){ \
|
|
unsigned int v= r(&srcPtr2[j]);\
|
|
w(&dstPtr2[j], (v<<(dst_depth-src_depth)) | \
|
|
(v>>(2*src_depth-dst_depth)));\
|
|
}
|
|
if(isBE(c->srcFormat)){
|
|
if(isBE(c->dstFormat)){
|
|
COPY_UP(AV_RB16, AV_WB16)
|
|
} else {
|
|
COPY_UP(AV_RB16, AV_WL16)
|
|
}
|
|
} else {
|
|
if(isBE(c->dstFormat)){
|
|
COPY_UP(AV_RL16, AV_WB16)
|
|
} else {
|
|
COPY_UP(AV_RL16, AV_WL16)
|
|
}
|
|
}
|
|
dstPtr2 += dstStride[plane]/2;
|
|
srcPtr2 += srcStride[plane]/2;
|
|
}
|
|
} else {
|
|
if(isBE(c->srcFormat) == HAVE_BIGENDIAN){
|
|
if(isBE(c->dstFormat) == HAVE_BIGENDIAN){
|
|
DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , )
|
|
} else {
|
|
DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , av_bswap16)
|
|
}
|
|
}else{
|
|
if(isBE(c->dstFormat) == HAVE_BIGENDIAN){
|
|
DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, )
|
|
} else {
|
|
DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, av_bswap16)
|
|
}
|
|
}
|
|
}
|
|
} else if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat)
|
|
&& isBE(c->srcFormat) != isBE(c->dstFormat)) {
|
|
|
|
for (i=0; i<height; i++) {
|
|
for (j=0; j<length; j++)
|
|
((uint16_t*)dstPtr)[j] = av_bswap16(((const uint16_t*)srcPtr)[j]);
|
|
srcPtr+= srcStride[plane];
|
|
dstPtr+= dstStride[plane];
|
|
}
|
|
} else if (dstStride[plane] == srcStride[plane] &&
|
|
srcStride[plane] > 0 && srcStride[plane] == length) {
|
|
memcpy(dst[plane] + dstStride[plane]*y, src[plane],
|
|
height*dstStride[plane]);
|
|
} else {
|
|
if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat))
|
|
length*=2;
|
|
for (i=0; i<height; i++) {
|
|
memcpy(dstPtr, srcPtr, length);
|
|
srcPtr+= srcStride[plane];
|
|
dstPtr+= dstStride[plane];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
|
|
void ff_get_unscaled_swscale(SwsContext *c)
|
|
{
|
|
const enum PixelFormat srcFormat = c->srcFormat;
|
|
const enum PixelFormat dstFormat = c->dstFormat;
|
|
const int flags = c->flags;
|
|
const int dstH = c->dstH;
|
|
int needsDither;
|
|
|
|
needsDither= isAnyRGB(dstFormat)
|
|
&& c->dstFormatBpp < 24
|
|
&& (c->dstFormatBpp < c->srcFormatBpp || (!isAnyRGB(srcFormat)));
|
|
|
|
/* yv12_to_nv12 */
|
|
if ((srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) && (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21)) {
|
|
c->swScale= planarToNv12Wrapper;
|
|
}
|
|
/* yuv2bgr */
|
|
if ((srcFormat==PIX_FMT_YUV420P || srcFormat==PIX_FMT_YUV422P || srcFormat==PIX_FMT_YUVA420P) && isAnyRGB(dstFormat)
|
|
&& !(flags & SWS_ACCURATE_RND) && !(dstH&1)) {
|
|
c->swScale= ff_yuv2rgb_get_func_ptr(c);
|
|
}
|
|
|
|
if (srcFormat==PIX_FMT_YUV410P && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_BITEXACT)) {
|
|
c->swScale= yvu9ToYv12Wrapper;
|
|
}
|
|
|
|
/* bgr24toYV12 */
|
|
if (srcFormat==PIX_FMT_BGR24 && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_ACCURATE_RND))
|
|
c->swScale= bgr24ToYv12Wrapper;
|
|
|
|
/* RGB/BGR -> RGB/BGR (no dither needed forms) */
|
|
if ( isAnyRGB(srcFormat)
|
|
&& isAnyRGB(dstFormat)
|
|
&& srcFormat != PIX_FMT_BGR8 && dstFormat != PIX_FMT_BGR8
|
|
&& srcFormat != PIX_FMT_RGB8 && dstFormat != PIX_FMT_RGB8
|
|
&& srcFormat != PIX_FMT_BGR4 && dstFormat != PIX_FMT_BGR4
|
|
&& srcFormat != PIX_FMT_RGB4 && dstFormat != PIX_FMT_RGB4
|
|
&& srcFormat != PIX_FMT_BGR4_BYTE && dstFormat != PIX_FMT_BGR4_BYTE
|
|
&& srcFormat != PIX_FMT_RGB4_BYTE && dstFormat != PIX_FMT_RGB4_BYTE
|
|
&& srcFormat != PIX_FMT_MONOBLACK && dstFormat != PIX_FMT_MONOBLACK
|
|
&& srcFormat != PIX_FMT_MONOWHITE && dstFormat != PIX_FMT_MONOWHITE
|
|
&& srcFormat != PIX_FMT_RGB48LE && dstFormat != PIX_FMT_RGB48LE
|
|
&& srcFormat != PIX_FMT_RGB48BE && dstFormat != PIX_FMT_RGB48BE
|
|
&& srcFormat != PIX_FMT_BGR48LE && dstFormat != PIX_FMT_BGR48LE
|
|
&& srcFormat != PIX_FMT_BGR48BE && dstFormat != PIX_FMT_BGR48BE
|
|
&& (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT))))
|
|
c->swScale= rgbToRgbWrapper;
|
|
|
|
if ((usePal(srcFormat) && (
|
|
dstFormat == PIX_FMT_RGB32 ||
|
|
dstFormat == PIX_FMT_RGB32_1 ||
|
|
dstFormat == PIX_FMT_RGB24 ||
|
|
dstFormat == PIX_FMT_BGR32 ||
|
|
dstFormat == PIX_FMT_BGR32_1 ||
|
|
dstFormat == PIX_FMT_BGR24)))
|
|
c->swScale= palToRgbWrapper;
|
|
|
|
if (srcFormat == PIX_FMT_YUV422P) {
|
|
if (dstFormat == PIX_FMT_YUYV422)
|
|
c->swScale= yuv422pToYuy2Wrapper;
|
|
else if (dstFormat == PIX_FMT_UYVY422)
|
|
c->swScale= yuv422pToUyvyWrapper;
|
|
}
|
|
|
|
/* LQ converters if -sws 0 or -sws 4*/
|
|
if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)) {
|
|
/* yv12_to_yuy2 */
|
|
if (srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) {
|
|
if (dstFormat == PIX_FMT_YUYV422)
|
|
c->swScale= planarToYuy2Wrapper;
|
|
else if (dstFormat == PIX_FMT_UYVY422)
|
|
c->swScale= planarToUyvyWrapper;
|
|
}
|
|
}
|
|
if(srcFormat == PIX_FMT_YUYV422 && (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P))
|
|
c->swScale= yuyvToYuv420Wrapper;
|
|
if(srcFormat == PIX_FMT_UYVY422 && (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P))
|
|
c->swScale= uyvyToYuv420Wrapper;
|
|
if(srcFormat == PIX_FMT_YUYV422 && dstFormat == PIX_FMT_YUV422P)
|
|
c->swScale= yuyvToYuv422Wrapper;
|
|
if(srcFormat == PIX_FMT_UYVY422 && dstFormat == PIX_FMT_YUV422P)
|
|
c->swScale= uyvyToYuv422Wrapper;
|
|
|
|
#if HAVE_ALTIVEC
|
|
if ((av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) &&
|
|
!(c->flags & SWS_BITEXACT) &&
|
|
srcFormat == PIX_FMT_YUV420P) {
|
|
// unscaled YV12 -> packed YUV, we want speed
|
|
if (dstFormat == PIX_FMT_YUYV422)
|
|
c->swScale= yv12toyuy2_unscaled_altivec;
|
|
else if (dstFormat == PIX_FMT_UYVY422)
|
|
c->swScale= yv12touyvy_unscaled_altivec;
|
|
}
|
|
#endif
|
|
|
|
/* simple copy */
|
|
if ( srcFormat == dstFormat
|
|
|| (srcFormat == PIX_FMT_YUVA420P && dstFormat == PIX_FMT_YUV420P)
|
|
|| (srcFormat == PIX_FMT_YUV420P && dstFormat == PIX_FMT_YUVA420P)
|
|
|| (isPlanarYUV(srcFormat) && isGray(dstFormat))
|
|
|| (isPlanarYUV(dstFormat) && isGray(srcFormat))
|
|
|| (isGray(dstFormat) && isGray(srcFormat))
|
|
|| (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat)
|
|
&& c->chrDstHSubSample == c->chrSrcHSubSample
|
|
&& c->chrDstVSubSample == c->chrSrcVSubSample
|
|
&& dstFormat != PIX_FMT_NV12 && dstFormat != PIX_FMT_NV21
|
|
&& srcFormat != PIX_FMT_NV12 && srcFormat != PIX_FMT_NV21))
|
|
{
|
|
if (isPacked(c->srcFormat))
|
|
c->swScale= packedCopyWrapper;
|
|
else /* Planar YUV or gray */
|
|
c->swScale= planarCopyWrapper;
|
|
}
|
|
#if ARCH_BFIN
|
|
ff_bfin_get_unscaled_swscale (c);
|
|
#endif
|
|
}
|
|
|
|
static void reset_ptr(const uint8_t* src[], int format)
|
|
{
|
|
if(!isALPHA(format))
|
|
src[3]=NULL;
|
|
if(!isPlanarYUV(format)) {
|
|
src[3]=src[2]=NULL;
|
|
|
|
if (!usePal(format))
|
|
src[1]= NULL;
|
|
}
|
|
}
|
|
|
|
static int check_image_pointers(uint8_t *data[4], enum PixelFormat pix_fmt,
|
|
const int linesizes[4])
|
|
{
|
|
const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
|
|
int i;
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
int plane = desc->comp[i].plane;
|
|
if (!data[plane] || !linesizes[plane])
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* swscale wrapper, so we don't need to export the SwsContext.
|
|
* Assumes planar YUV to be in YUV order instead of YVU.
|
|
*/
|
|
int sws_scale(SwsContext *c, const uint8_t* const src[], const int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* const dst[], const int dstStride[])
|
|
{
|
|
int i;
|
|
const uint8_t* src2[4]= {src[0], src[1], src[2], src[3]};
|
|
uint8_t* dst2[4]= {dst[0], dst[1], dst[2], dst[3]};
|
|
|
|
// do not mess up sliceDir if we have a "trailing" 0-size slice
|
|
if (srcSliceH == 0)
|
|
return 0;
|
|
|
|
if (!check_image_pointers(src, c->srcFormat, srcStride)) {
|
|
av_log(c, AV_LOG_ERROR, "bad src image pointers\n");
|
|
return 0;
|
|
}
|
|
if (!check_image_pointers(dst, c->dstFormat, dstStride)) {
|
|
av_log(c, AV_LOG_ERROR, "bad dst image pointers\n");
|
|
return 0;
|
|
}
|
|
|
|
if (c->sliceDir == 0 && srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) {
|
|
av_log(c, AV_LOG_ERROR, "Slices start in the middle!\n");
|
|
return 0;
|
|
}
|
|
if (c->sliceDir == 0) {
|
|
if (srcSliceY == 0) c->sliceDir = 1; else c->sliceDir = -1;
|
|
}
|
|
|
|
if (usePal(c->srcFormat)) {
|
|
for (i=0; i<256; i++) {
|
|
int p, r, g, b, y, u, v, a = 0xff;
|
|
if(c->srcFormat == PIX_FMT_PAL8) {
|
|
p=((const uint32_t*)(src[1]))[i];
|
|
a= (p>>24)&0xFF;
|
|
r= (p>>16)&0xFF;
|
|
g= (p>> 8)&0xFF;
|
|
b= p &0xFF;
|
|
} else if(c->srcFormat == PIX_FMT_RGB8) {
|
|
r= (i>>5 )*36;
|
|
g= ((i>>2)&7)*36;
|
|
b= (i&3 )*85;
|
|
} else if(c->srcFormat == PIX_FMT_BGR8) {
|
|
b= (i>>6 )*85;
|
|
g= ((i>>3)&7)*36;
|
|
r= (i&7 )*36;
|
|
} else if(c->srcFormat == PIX_FMT_RGB4_BYTE) {
|
|
r= (i>>3 )*255;
|
|
g= ((i>>1)&3)*85;
|
|
b= (i&1 )*255;
|
|
} else if(c->srcFormat == PIX_FMT_GRAY8 || c->srcFormat == PIX_FMT_GRAY8A) {
|
|
r = g = b = i;
|
|
} else {
|
|
assert(c->srcFormat == PIX_FMT_BGR4_BYTE);
|
|
b= (i>>3 )*255;
|
|
g= ((i>>1)&3)*85;
|
|
r= (i&1 )*255;
|
|
}
|
|
y= av_clip_uint8((RY*r + GY*g + BY*b + ( 33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
|
|
u= av_clip_uint8((RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
|
|
v= av_clip_uint8((RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
|
|
c->pal_yuv[i]= y + (u<<8) + (v<<16) + (a<<24);
|
|
|
|
switch(c->dstFormat) {
|
|
case PIX_FMT_BGR32:
|
|
#if !HAVE_BIGENDIAN
|
|
case PIX_FMT_RGB24:
|
|
#endif
|
|
c->pal_rgb[i]= r + (g<<8) + (b<<16) + (a<<24);
|
|
break;
|
|
case PIX_FMT_BGR32_1:
|
|
#if HAVE_BIGENDIAN
|
|
case PIX_FMT_BGR24:
|
|
#endif
|
|
c->pal_rgb[i]= a + (r<<8) + (g<<16) + (b<<24);
|
|
break;
|
|
case PIX_FMT_RGB32_1:
|
|
#if HAVE_BIGENDIAN
|
|
case PIX_FMT_RGB24:
|
|
#endif
|
|
c->pal_rgb[i]= a + (b<<8) + (g<<16) + (r<<24);
|
|
break;
|
|
case PIX_FMT_RGB32:
|
|
#if !HAVE_BIGENDIAN
|
|
case PIX_FMT_BGR24:
|
|
#endif
|
|
default:
|
|
c->pal_rgb[i]= b + (g<<8) + (r<<16) + (a<<24);
|
|
}
|
|
}
|
|
}
|
|
|
|
// copy strides, so they can safely be modified
|
|
if (c->sliceDir == 1) {
|
|
// slices go from top to bottom
|
|
int srcStride2[4]= {srcStride[0], srcStride[1], srcStride[2], srcStride[3]};
|
|
int dstStride2[4]= {dstStride[0], dstStride[1], dstStride[2], dstStride[3]};
|
|
|
|
reset_ptr(src2, c->srcFormat);
|
|
reset_ptr((const uint8_t**)dst2, c->dstFormat);
|
|
|
|
/* reset slice direction at end of frame */
|
|
if (srcSliceY + srcSliceH == c->srcH)
|
|
c->sliceDir = 0;
|
|
|
|
return c->swScale(c, src2, srcStride2, srcSliceY, srcSliceH, dst2, dstStride2);
|
|
} else {
|
|
// slices go from bottom to top => we flip the image internally
|
|
int srcStride2[4]= {-srcStride[0], -srcStride[1], -srcStride[2], -srcStride[3]};
|
|
int dstStride2[4]= {-dstStride[0], -dstStride[1], -dstStride[2], -dstStride[3]};
|
|
|
|
src2[0] += (srcSliceH-1)*srcStride[0];
|
|
if (!usePal(c->srcFormat))
|
|
src2[1] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[1];
|
|
src2[2] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[2];
|
|
src2[3] += (srcSliceH-1)*srcStride[3];
|
|
dst2[0] += ( c->dstH -1)*dstStride[0];
|
|
dst2[1] += ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[1];
|
|
dst2[2] += ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[2];
|
|
dst2[3] += ( c->dstH -1)*dstStride[3];
|
|
|
|
reset_ptr(src2, c->srcFormat);
|
|
reset_ptr((const uint8_t**)dst2, c->dstFormat);
|
|
|
|
/* reset slice direction at end of frame */
|
|
if (!srcSliceY)
|
|
c->sliceDir = 0;
|
|
|
|
return c->swScale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH, srcSliceH, dst2, dstStride2);
|
|
}
|
|
}
|
|
|
|
#if LIBSWSCALE_VERSION_MAJOR < 1
|
|
int sws_scale_ordered(SwsContext *c, const uint8_t* const src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dst[], int dstStride[])
|
|
{
|
|
return sws_scale(c, src, srcStride, srcSliceY, srcSliceH, dst, dstStride);
|
|
}
|
|
#endif
|
|
|
|
/* Convert the palette to the same packed 32-bit format as the palette */
|
|
void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette)
|
|
{
|
|
int i;
|
|
|
|
for (i=0; i<num_pixels; i++)
|
|
((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]];
|
|
}
|
|
|
|
/* Palette format: ABCD -> dst format: ABC */
|
|
void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette)
|
|
{
|
|
int i;
|
|
|
|
for (i=0; i<num_pixels; i++) {
|
|
//FIXME slow?
|
|
dst[0]= palette[src[i]*4+0];
|
|
dst[1]= palette[src[i]*4+1];
|
|
dst[2]= palette[src[i]*4+2];
|
|
dst+= 3;
|
|
}
|
|
}
|