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2985 lines
101 KiB
2985 lines
101 KiB
/* |
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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 modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (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 |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* 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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* the C code (not assembly, mmx, ...) of this file can be used |
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* under the LGPL license too |
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*/ |
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|
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/* |
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supported Input formats: YV12, I420/IYUV, YUY2, UYVY, BGR32, BGR24, BGR16, BGR15, RGB32, 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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|
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unscaled special converters (YV12=I420=IYUV, Y800=Y8) |
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YV12 -> {BGR,RGB}{1,4,8,15,16,24,32} |
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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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/* |
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tested special converters (most are tested actually but i didnt write it down ...) |
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YV12 -> 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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|
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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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|
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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 <unistd.h> |
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#include "config.h" |
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#include <assert.h> |
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#ifdef HAVE_SYS_MMAN_H |
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#include <sys/mman.h> |
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#if defined(MAP_ANON) && !defined(MAP_ANONYMOUS) |
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#define MAP_ANONYMOUS MAP_ANON |
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#endif |
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#endif |
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#include "swscale.h" |
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#include "swscale_internal.h" |
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#include "x86_cpu.h" |
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#include "bswap.h" |
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#include "rgb2rgb.h" |
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#include "libavcodec/opt.h" |
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|
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#undef MOVNTQ |
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#undef PAVGB |
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|
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//#undef HAVE_MMX2 |
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//#define HAVE_3DNOW |
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//#undef HAVE_MMX |
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//#undef ARCH_X86 |
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//#define WORDS_BIGENDIAN |
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#define DITHER1XBPP |
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|
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#define FAST_BGR2YV12 // use 7 bit coeffs instead of 15bit |
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|
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#define RET 0xC3 //near return opcode for X86 |
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|
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#ifdef MP_DEBUG |
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#define ASSERT(x) assert(x); |
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#else |
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#define ASSERT(x) ; |
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#endif |
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#ifdef M_PI |
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#define PI M_PI |
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#else |
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#define PI 3.14159265358979323846 |
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#endif |
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#define isSupportedIn(x) ( \ |
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(x)==PIX_FMT_YUV420P \ |
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|| (x)==PIX_FMT_YUVA420P \ |
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|| (x)==PIX_FMT_YUYV422 \ |
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|| (x)==PIX_FMT_UYVY422 \ |
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|| (x)==PIX_FMT_RGB32 \ |
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|| (x)==PIX_FMT_BGR24 \ |
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|| (x)==PIX_FMT_BGR565 \ |
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|| (x)==PIX_FMT_BGR555 \ |
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|| (x)==PIX_FMT_BGR32 \ |
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|| (x)==PIX_FMT_RGB24 \ |
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|| (x)==PIX_FMT_RGB565 \ |
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|| (x)==PIX_FMT_RGB555 \ |
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|| (x)==PIX_FMT_GRAY8 \ |
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|| (x)==PIX_FMT_YUV410P \ |
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|| (x)==PIX_FMT_GRAY16BE \ |
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|| (x)==PIX_FMT_GRAY16LE \ |
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|| (x)==PIX_FMT_YUV444P \ |
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|| (x)==PIX_FMT_YUV422P \ |
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|| (x)==PIX_FMT_YUV411P \ |
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|| (x)==PIX_FMT_PAL8 \ |
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|| (x)==PIX_FMT_BGR8 \ |
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|| (x)==PIX_FMT_RGB8 \ |
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|| (x)==PIX_FMT_BGR4_BYTE \ |
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|| (x)==PIX_FMT_RGB4_BYTE \ |
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|| (x)==PIX_FMT_YUV440P \ |
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) |
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#define isSupportedOut(x) ( \ |
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(x)==PIX_FMT_YUV420P \ |
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|| (x)==PIX_FMT_YUYV422 \ |
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|| (x)==PIX_FMT_UYVY422 \ |
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|| (x)==PIX_FMT_YUV444P \ |
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|| (x)==PIX_FMT_YUV422P \ |
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|| (x)==PIX_FMT_YUV411P \ |
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|| isRGB(x) \ |
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|| isBGR(x) \ |
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|| (x)==PIX_FMT_NV12 \ |
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|| (x)==PIX_FMT_NV21 \ |
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|| (x)==PIX_FMT_GRAY16BE \ |
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|| (x)==PIX_FMT_GRAY16LE \ |
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|| (x)==PIX_FMT_GRAY8 \ |
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|| (x)==PIX_FMT_YUV410P \ |
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) |
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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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|| isRGB(x) \ |
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|| isBGR(x) \ |
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) |
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#define RGB2YUV_SHIFT 16 |
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#define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define GY ((int)( 0.504*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define GV ((int)(-0.368*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define GU ((int)(-0.291*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define RY ((int)( 0.257*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5)) |
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#define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5)) |
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extern const int32_t Inverse_Table_6_9[8][4]; |
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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 defined(ARCH_X86) && defined (CONFIG_GPL) |
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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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static volatile uint64_t attribute_used __attribute__((aligned(8))) b5Dither; |
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static volatile uint64_t attribute_used __attribute__((aligned(8))) g5Dither; |
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static volatile uint64_t attribute_used __attribute__((aligned(8))) g6Dither; |
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static volatile uint64_t attribute_used __attribute__((aligned(8))) r5Dither; |
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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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#endif /* defined(ARCH_X86) */ |
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// clipping helper table for C implementations: |
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static unsigned char clip_table[768]; |
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static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b); |
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extern const uint8_t dither_2x2_4[2][8]; |
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extern const uint8_t dither_2x2_8[2][8]; |
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extern const uint8_t dither_8x8_32[8][8]; |
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extern const uint8_t dither_8x8_73[8][8]; |
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extern const uint8_t dither_8x8_220[8][8]; |
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static const char * sws_context_to_name(void * ptr) { |
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return "swscaler"; |
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} |
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#define OFFSET(x) offsetof(SwsContext, x) |
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#define DEFAULT 0 |
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#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM |
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static const AVOption options[] = { |
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{ "sws_flags", "scaler/cpu flags", OFFSET(flags), FF_OPT_TYPE_FLAGS, DEFAULT, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "fast_bilinear", "fast bilinear", 0, FF_OPT_TYPE_CONST, SWS_FAST_BILINEAR, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "bilinear", "bilinear", 0, FF_OPT_TYPE_CONST, SWS_BILINEAR, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "bicubic", "bicubic", 0, FF_OPT_TYPE_CONST, SWS_BICUBIC, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "experimental", "experimental", 0, FF_OPT_TYPE_CONST, SWS_X, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "neighbor", "nearest neighbor", 0, FF_OPT_TYPE_CONST, SWS_POINT, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "area", "averaging area", 0, FF_OPT_TYPE_CONST, SWS_AREA, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "bicublin", "luma bicubic, chroma bilinear", 0, FF_OPT_TYPE_CONST, SWS_BICUBLIN, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "gauss", "gaussian", 0, FF_OPT_TYPE_CONST, SWS_GAUSS, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "sinc", "sinc", 0, FF_OPT_TYPE_CONST, SWS_SINC, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "lanczos", "lanczos", 0, FF_OPT_TYPE_CONST, SWS_LANCZOS, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "spline", "natural bicubic spline", 0, FF_OPT_TYPE_CONST, SWS_SPLINE, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "print_info", "print info", 0, FF_OPT_TYPE_CONST, SWS_PRINT_INFO, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "accurate_rnd", "accurate rounding", 0, FF_OPT_TYPE_CONST, SWS_ACCURATE_RND, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "mmx", "MMX SIMD acceleration", 0, FF_OPT_TYPE_CONST, SWS_CPU_CAPS_MMX, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "mmx2", "MMX2 SIMD acceleration", 0, FF_OPT_TYPE_CONST, SWS_CPU_CAPS_MMX2, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "3dnow", "3DNOW SIMD acceleration", 0, FF_OPT_TYPE_CONST, SWS_CPU_CAPS_3DNOW, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "altivec", "AltiVec SIMD acceleration", 0, FF_OPT_TYPE_CONST, SWS_CPU_CAPS_ALTIVEC, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "bfin", "Blackfin SIMD acceleration", 0, FF_OPT_TYPE_CONST, SWS_CPU_CAPS_BFIN, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "full_chroma_int", "full chroma interpolation", 0 , FF_OPT_TYPE_CONST, SWS_FULL_CHR_H_INT, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ "full_chroma_inp", "full chroma input", 0 , FF_OPT_TYPE_CONST, SWS_FULL_CHR_H_INP, INT_MIN, INT_MAX, VE, "sws_flags" }, |
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{ NULL } |
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}; |
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#undef VE |
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#undef DEFAULT |
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static AVClass sws_context_class = { "SWScaler", sws_context_to_name, options }; |
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char *sws_format_name(enum PixelFormat format) |
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{ |
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switch (format) { |
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case PIX_FMT_YUV420P: |
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return "yuv420p"; |
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case PIX_FMT_YUVA420P: |
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return "yuva420p"; |
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case PIX_FMT_YUYV422: |
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return "yuyv422"; |
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case PIX_FMT_RGB24: |
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return "rgb24"; |
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case PIX_FMT_BGR24: |
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return "bgr24"; |
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case PIX_FMT_YUV422P: |
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return "yuv422p"; |
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case PIX_FMT_YUV444P: |
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return "yuv444p"; |
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case PIX_FMT_RGB32: |
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return "rgb32"; |
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case PIX_FMT_YUV410P: |
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return "yuv410p"; |
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case PIX_FMT_YUV411P: |
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return "yuv411p"; |
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case PIX_FMT_RGB565: |
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return "rgb565"; |
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case PIX_FMT_RGB555: |
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return "rgb555"; |
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case PIX_FMT_GRAY16BE: |
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return "gray16be"; |
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case PIX_FMT_GRAY16LE: |
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return "gray16le"; |
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case PIX_FMT_GRAY8: |
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return "gray8"; |
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case PIX_FMT_MONOWHITE: |
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return "mono white"; |
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case PIX_FMT_MONOBLACK: |
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return "mono black"; |
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case PIX_FMT_PAL8: |
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return "Palette"; |
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case PIX_FMT_YUVJ420P: |
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return "yuvj420p"; |
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case PIX_FMT_YUVJ422P: |
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return "yuvj422p"; |
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case PIX_FMT_YUVJ444P: |
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return "yuvj444p"; |
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case PIX_FMT_XVMC_MPEG2_MC: |
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return "xvmc_mpeg2_mc"; |
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case PIX_FMT_XVMC_MPEG2_IDCT: |
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return "xvmc_mpeg2_idct"; |
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case PIX_FMT_UYVY422: |
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return "uyvy422"; |
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case PIX_FMT_UYYVYY411: |
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return "uyyvyy411"; |
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case PIX_FMT_RGB32_1: |
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return "rgb32x"; |
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case PIX_FMT_BGR32_1: |
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return "bgr32x"; |
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case PIX_FMT_BGR32: |
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return "bgr32"; |
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case PIX_FMT_BGR565: |
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return "bgr565"; |
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case PIX_FMT_BGR555: |
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return "bgr555"; |
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case PIX_FMT_BGR8: |
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return "bgr8"; |
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case PIX_FMT_BGR4: |
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return "bgr4"; |
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case PIX_FMT_BGR4_BYTE: |
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return "bgr4 byte"; |
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case PIX_FMT_RGB8: |
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return "rgb8"; |
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case PIX_FMT_RGB4: |
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return "rgb4"; |
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case PIX_FMT_RGB4_BYTE: |
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return "rgb4 byte"; |
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case PIX_FMT_NV12: |
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return "nv12"; |
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case PIX_FMT_NV21: |
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return "nv21"; |
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case PIX_FMT_YUV440P: |
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return "yuv440p"; |
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default: |
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return "Unknown format"; |
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} |
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} |
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#if defined(ARCH_X86) && defined (CONFIG_GPL) |
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void in_asm_used_var_warning_killer() |
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{ |
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volatile int i= bF8+bFC+w10+ |
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bm00001111+bm00000111+bm11111000+b16Mask+g16Mask+r16Mask+b15Mask+g15Mask+r15Mask+ |
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ff_M24A+ff_M24B+ff_M24C+w02 + b5Dither+g5Dither+r5Dither+g6Dither+ff_dither4[0]+ff_dither8[0]+bm01010101; |
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if (i) i=0; |
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} |
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#endif |
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static inline void yuv2yuvXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, |
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int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize, |
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uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW) |
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{ |
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//FIXME Optimize (just quickly writen not opti..) |
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int i; |
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for (i=0; i<dstW; i++) |
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{ |
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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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|
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dest[i]= av_clip_uint8(val>>19); |
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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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{ |
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int u=1<<18; |
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int v=1<<18; |
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int j; |
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for (j=0; j<chrFilterSize; j++) |
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{ |
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u += chrSrc[j][i] * chrFilter[j]; |
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v += chrSrc[j][i + 2048] * chrFilter[j]; |
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} |
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|
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uDest[i]= av_clip_uint8(u>>19); |
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vDest[i]= av_clip_uint8(v>>19); |
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} |
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} |
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static inline void yuv2nv12XinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, |
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int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize, |
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uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat) |
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{ |
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//FIXME Optimize (just quickly writen not opti..) |
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int i; |
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for (i=0; i<dstW; i++) |
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{ |
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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); |
|
} |
|
|
|
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 += chrSrc[j][i] * chrFilter[j]; |
|
v += chrSrc[j][i + 2048] * 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 += chrSrc[j][i] * chrFilter[j]; |
|
v += chrSrc[j][i + 2048] * chrFilter[j]; |
|
} |
|
|
|
uDest[2*i]= av_clip_uint8(v>>19); |
|
uDest[2*i+1]= av_clip_uint8(u>>19); |
|
} |
|
} |
|
|
|
#define YSCALE_YUV_2_PACKEDX_C(type) \ |
|
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;\ |
|
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 += chrSrc[j][i] * chrFilter[j];\ |
|
V += chrSrc[j][i+2048] * chrFilter[j];\ |
|
}\ |
|
Y1>>=19;\ |
|
Y2>>=19;\ |
|
U >>=19;\ |
|
V >>=19;\ |
|
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; \ |
|
} |
|
|
|
#define YSCALE_YUV_2_RGBX_C(type) \ |
|
YSCALE_YUV_2_PACKEDX_C(type) \ |
|
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 \ |
|
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= (uvbuf0[i ]*uvalpha1+uvbuf1[i ]*uvalpha)>>19; \ |
|
int V= (uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19; \ |
|
|
|
#define YSCALE_YUV_2_RGB2_C(type) \ |
|
YSCALE_YUV_2_PACKED2_C\ |
|
type *r, *b, *g;\ |
|
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 \ |
|
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= (uvbuf1[i ])>>7;\ |
|
int V= (uvbuf1[i+2048])>>7;\ |
|
|
|
#define YSCALE_YUV_2_RGB1_C(type) \ |
|
YSCALE_YUV_2_PACKED1_C\ |
|
type *r, *b, *g;\ |
|
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 \ |
|
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= (uvbuf0[i ] + uvbuf1[i ])>>8;\ |
|
int V= (uvbuf0[i+2048] + uvbuf1[i+2048])>>8;\ |
|
|
|
#define YSCALE_YUV_2_RGB1B_C(type) \ |
|
YSCALE_YUV_2_PACKED1B_C\ |
|
type *r, *b, *g;\ |
|
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_ANYRGB_C(func, func2)\ |
|
switch(c->dstFormat)\ |
|
{\ |
|
case PIX_FMT_RGB32:\ |
|
case PIX_FMT_BGR32:\ |
|
func(uint32_t)\ |
|
((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)\ |
|
((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)\ |
|
((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_RGB565:\ |
|
case PIX_FMT_BGR565:\ |
|
{\ |
|
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)\ |
|
((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_RGB555:\ |
|
case PIX_FMT_BGR555:\ |
|
{\ |
|
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)\ |
|
((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)\ |
|
((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)\ |
|
((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)\ |
|
((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:\ |
|
{\ |
|
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]= acc;\ |
|
dest++;\ |
|
}\ |
|
\ |
|
/*\ |
|
((uint8_t*)dest)-= dstW>>4;\ |
|
{\ |
|
int acc=0;\ |
|
int left=0;\ |
|
static int top[1024];\ |
|
static int last_new[1024][1024];\ |
|
static int last_in3[1024][1024];\ |
|
static int drift[1024][1024];\ |
|
int topLeft=0;\ |
|
int shift=0;\ |
|
int count=0;\ |
|
const uint8_t * const d128=dither_8x8_220[y&7];\ |
|
int error_new=0;\ |
|
int error_in3=0;\ |
|
int f=0;\ |
|
\ |
|
for (i=dstW>>1; i<dstW; i++){\ |
|
int in= ((buf0[i ]*yalpha1+buf1[i ]*yalpha)>>19);\ |
|
int in2 = (76309 * (in - 16) + 32768) >> 16;\ |
|
int in3 = (in2 < 0) ? 0 : ((in2 > 255) ? 255 : in2);\ |
|
int old= (left*7 + topLeft + top[i]*5 + top[i+1]*3)/20 + in3\ |
|
+ (last_new[y][i] - in3)*f/256;\ |
|
int new= old> 128 ? 255 : 0;\ |
|
\ |
|
error_new+= FFABS(last_new[y][i] - new);\ |
|
error_in3+= FFABS(last_in3[y][i] - in3);\ |
|
f= error_new - error_in3*4;\ |
|
if (f<0) f=0;\ |
|
if (f>256) f=256;\ |
|
\ |
|
topLeft= top[i];\ |
|
left= top[i]= old - new;\ |
|
last_new[y][i]= new;\ |
|
last_in3[y][i]= in3;\ |
|
\ |
|
acc+= acc + (new&1);\ |
|
if ((i&7)==6){\ |
|
((uint8_t*)dest)[0]= acc;\ |
|
((uint8_t*)dest)++;\ |
|
}\ |
|
}\ |
|
}\ |
|
*/\ |
|
}\ |
|
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;\ |
|
}\ |
|
|
|
|
|
static inline void yuv2packedXinC(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, |
|
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize, |
|
uint8_t *dest, int dstW, int y) |
|
{ |
|
int i; |
|
switch(c->dstFormat) |
|
{ |
|
case PIX_FMT_BGR32: |
|
case PIX_FMT_RGB32: |
|
YSCALE_YUV_2_RGBX_C(uint32_t) |
|
((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: |
|
YSCALE_YUV_2_RGBX_C(uint8_t) |
|
((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: |
|
YSCALE_YUV_2_RGBX_C(uint8_t) |
|
((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_RGB565: |
|
case PIX_FMT_BGR565: |
|
{ |
|
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]; |
|
YSCALE_YUV_2_RGBX_C(uint16_t) |
|
((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_RGB555: |
|
case PIX_FMT_BGR555: |
|
{ |
|
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]; |
|
YSCALE_YUV_2_RGBX_C(uint16_t) |
|
((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]; |
|
YSCALE_YUV_2_RGBX_C(uint8_t) |
|
((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]; |
|
YSCALE_YUV_2_RGBX_C(uint8_t) |
|
((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]; |
|
YSCALE_YUV_2_RGBX_C(uint8_t) |
|
((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: |
|
{ |
|
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]= acc; |
|
dest++; |
|
} |
|
} |
|
} |
|
break; |
|
case PIX_FMT_YUYV422: |
|
YSCALE_YUV_2_PACKEDX_C(void) |
|
((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: |
|
YSCALE_YUV_2_PACKEDX_C(void) |
|
((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; |
|
} |
|
} |
|
|
|
|
|
//Note: we have C, X86, MMX, MMX2, 3DNOW version therse no 3DNOW+MMX2 one |
|
//Plain C versions |
|
#if !defined (HAVE_MMX) || defined (RUNTIME_CPUDETECT) || !defined(CONFIG_GPL) |
|
#define COMPILE_C |
|
#endif |
|
|
|
#ifdef ARCH_POWERPC |
|
#if (defined (HAVE_ALTIVEC) || defined (RUNTIME_CPUDETECT)) && defined (CONFIG_GPL) |
|
#define COMPILE_ALTIVEC |
|
#endif //HAVE_ALTIVEC |
|
#endif //ARCH_POWERPC |
|
|
|
#if defined(ARCH_X86) |
|
|
|
#if ((defined (HAVE_MMX) && !defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)) && defined (CONFIG_GPL) |
|
#define COMPILE_MMX |
|
#endif |
|
|
|
#if (defined (HAVE_MMX2) || defined (RUNTIME_CPUDETECT)) && defined (CONFIG_GPL) |
|
#define COMPILE_MMX2 |
|
#endif |
|
|
|
#if ((defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)) && defined (CONFIG_GPL) |
|
#define COMPILE_3DNOW |
|
#endif |
|
#endif //ARCH_X86 || ARCH_X86_64 |
|
|
|
#undef HAVE_MMX |
|
#undef HAVE_MMX2 |
|
#undef HAVE_3DNOW |
|
|
|
#ifdef COMPILE_C |
|
#undef HAVE_MMX |
|
#undef HAVE_MMX2 |
|
#undef HAVE_3DNOW |
|
#undef HAVE_ALTIVEC |
|
#define RENAME(a) a ## _C |
|
#include "swscale_template.c" |
|
#endif |
|
|
|
#ifdef ARCH_POWERPC |
|
#ifdef COMPILE_ALTIVEC |
|
#undef RENAME |
|
#define HAVE_ALTIVEC |
|
#define RENAME(a) a ## _altivec |
|
#include "swscale_template.c" |
|
#endif |
|
#endif //ARCH_POWERPC |
|
|
|
#if defined(ARCH_X86) |
|
|
|
//X86 versions |
|
/* |
|
#undef RENAME |
|
#undef HAVE_MMX |
|
#undef HAVE_MMX2 |
|
#undef HAVE_3DNOW |
|
#define ARCH_X86 |
|
#define RENAME(a) a ## _X86 |
|
#include "swscale_template.c" |
|
*/ |
|
//MMX versions |
|
#ifdef COMPILE_MMX |
|
#undef RENAME |
|
#define HAVE_MMX |
|
#undef HAVE_MMX2 |
|
#undef HAVE_3DNOW |
|
#define RENAME(a) a ## _MMX |
|
#include "swscale_template.c" |
|
#endif |
|
|
|
//MMX2 versions |
|
#ifdef COMPILE_MMX2 |
|
#undef RENAME |
|
#define HAVE_MMX |
|
#define HAVE_MMX2 |
|
#undef HAVE_3DNOW |
|
#define RENAME(a) a ## _MMX2 |
|
#include "swscale_template.c" |
|
#endif |
|
|
|
//3DNOW versions |
|
#ifdef COMPILE_3DNOW |
|
#undef RENAME |
|
#define HAVE_MMX |
|
#undef HAVE_MMX2 |
|
#define HAVE_3DNOW |
|
#define RENAME(a) a ## _3DNow |
|
#include "swscale_template.c" |
|
#endif |
|
|
|
#endif //ARCH_X86 || ARCH_X86_64 |
|
|
|
// minor note: the HAVE_xyz is messed up after that line so don't use it |
|
|
|
static double getSplineCoeff(double a, double b, double c, double d, double dist) |
|
{ |
|
// printf("%f %f %f %f %f\n", a,b,c,d,dist); |
|
if (dist<=1.0) return ((d*dist + c)*dist + b)*dist +a; |
|
else return getSplineCoeff( 0.0, |
|
b+ 2.0*c + 3.0*d, |
|
c + 3.0*d, |
|
-b- 3.0*c - 6.0*d, |
|
dist-1.0); |
|
} |
|
|
|
static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSize, int xInc, |
|
int srcW, int dstW, int filterAlign, int one, int flags, |
|
SwsVector *srcFilter, SwsVector *dstFilter, double param[2]) |
|
{ |
|
int i; |
|
int filterSize; |
|
int filter2Size; |
|
int minFilterSize; |
|
double *filter=NULL; |
|
double *filter2=NULL; |
|
#if defined(ARCH_X86) |
|
if (flags & SWS_CPU_CAPS_MMX) |
|
asm volatile("emms\n\t"::: "memory"); //FIXME this should not be required but it IS (even for non-MMX versions) |
|
#endif |
|
|
|
// Note the +1 is for the MMXscaler which reads over the end |
|
*filterPos = av_malloc((dstW+1)*sizeof(int16_t)); |
|
|
|
if (FFABS(xInc - 0x10000) <10) // unscaled |
|
{ |
|
int i; |
|
filterSize= 1; |
|
filter= av_malloc(dstW*sizeof(double)*filterSize); |
|
for (i=0; i<dstW*filterSize; i++) filter[i]=0; |
|
|
|
for (i=0; i<dstW; i++) |
|
{ |
|
filter[i*filterSize]=1; |
|
(*filterPos)[i]=i; |
|
} |
|
|
|
} |
|
else if (flags&SWS_POINT) // lame looking point sampling mode |
|
{ |
|
int i; |
|
int xDstInSrc; |
|
filterSize= 1; |
|
filter= av_malloc(dstW*sizeof(double)*filterSize); |
|
|
|
xDstInSrc= xInc/2 - 0x8000; |
|
for (i=0; i<dstW; i++) |
|
{ |
|
int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16; |
|
|
|
(*filterPos)[i]= xx; |
|
filter[i]= 1.0; |
|
xDstInSrc+= xInc; |
|
} |
|
} |
|
else if ((xInc <= (1<<16) && (flags&SWS_AREA)) || (flags&SWS_FAST_BILINEAR)) // bilinear upscale |
|
{ |
|
int i; |
|
int xDstInSrc; |
|
if (flags&SWS_BICUBIC) filterSize= 4; |
|
else if (flags&SWS_X ) filterSize= 4; |
|
else filterSize= 2; // SWS_BILINEAR / SWS_AREA |
|
filter= av_malloc(dstW*sizeof(double)*filterSize); |
|
|
|
xDstInSrc= xInc/2 - 0x8000; |
|
for (i=0; i<dstW; i++) |
|
{ |
|
int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16; |
|
int j; |
|
|
|
(*filterPos)[i]= xx; |
|
//Bilinear upscale / linear interpolate / Area averaging |
|
for (j=0; j<filterSize; j++) |
|
{ |
|
double d= FFABS((xx<<16) - xDstInSrc)/(double)(1<<16); |
|
double coeff= 1.0 - d; |
|
if (coeff<0) coeff=0; |
|
filter[i*filterSize + j]= coeff; |
|
xx++; |
|
} |
|
xDstInSrc+= xInc; |
|
} |
|
} |
|
else |
|
{ |
|
double xDstInSrc; |
|
double sizeFactor, filterSizeInSrc; |
|
const double xInc1= (double)xInc / (double)(1<<16); |
|
|
|
if (flags&SWS_BICUBIC) sizeFactor= 4.0; |
|
else if (flags&SWS_X) sizeFactor= 8.0; |
|
else if (flags&SWS_AREA) sizeFactor= 1.0; //downscale only, for upscale it is bilinear |
|
else if (flags&SWS_GAUSS) sizeFactor= 8.0; // infinite ;) |
|
else if (flags&SWS_LANCZOS) sizeFactor= param[0] != SWS_PARAM_DEFAULT ? 2.0*param[0] : 6.0; |
|
else if (flags&SWS_SINC) sizeFactor= 20.0; // infinite ;) |
|
else if (flags&SWS_SPLINE) sizeFactor= 20.0; // infinite ;) |
|
else if (flags&SWS_BILINEAR) sizeFactor= 2.0; |
|
else { |
|
sizeFactor= 0.0; //GCC warning killer |
|
ASSERT(0) |
|
} |
|
|
|
if (xInc1 <= 1.0) filterSizeInSrc= sizeFactor; // upscale |
|
else filterSizeInSrc= sizeFactor*srcW / (double)dstW; |
|
|
|
filterSize= (int)ceil(1 + filterSizeInSrc); // will be reduced later if possible |
|
if (filterSize > srcW-2) filterSize=srcW-2; |
|
|
|
filter= av_malloc(dstW*sizeof(double)*filterSize); |
|
|
|
xDstInSrc= xInc1 / 2.0 - 0.5; |
|
for (i=0; i<dstW; i++) |
|
{ |
|
int xx= (int)(xDstInSrc - (filterSize-1)*0.5 + 0.5); |
|
int j; |
|
(*filterPos)[i]= xx; |
|
for (j=0; j<filterSize; j++) |
|
{ |
|
double d= FFABS(xx - xDstInSrc)/filterSizeInSrc*sizeFactor; |
|
double coeff; |
|
if (flags & SWS_BICUBIC) |
|
{ |
|
double B= param[0] != SWS_PARAM_DEFAULT ? param[0] : 0.0; |
|
double C= param[1] != SWS_PARAM_DEFAULT ? param[1] : 0.6; |
|
|
|
if (d<1.0) |
|
coeff = (12-9*B-6*C)*d*d*d + (-18+12*B+6*C)*d*d + 6-2*B; |
|
else if (d<2.0) |
|
coeff = (-B-6*C)*d*d*d + (6*B+30*C)*d*d + (-12*B-48*C)*d +8*B+24*C; |
|
else |
|
coeff=0.0; |
|
} |
|
/* else if (flags & SWS_X) |
|
{ |
|
double p= param ? param*0.01 : 0.3; |
|
coeff = d ? sin(d*PI)/(d*PI) : 1.0; |
|
coeff*= pow(2.0, - p*d*d); |
|
}*/ |
|
else if (flags & SWS_X) |
|
{ |
|
double A= param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0; |
|
|
|
if (d<1.0) |
|
coeff = cos(d*PI); |
|
else |
|
coeff=-1.0; |
|
if (coeff<0.0) coeff= -pow(-coeff, A); |
|
else coeff= pow( coeff, A); |
|
coeff= coeff*0.5 + 0.5; |
|
} |
|
else if (flags & SWS_AREA) |
|
{ |
|
double srcPixelSize= 1.0/xInc1; |
|
if (d + srcPixelSize/2 < 0.5) coeff= 1.0; |
|
else if (d - srcPixelSize/2 < 0.5) coeff= (0.5-d)/srcPixelSize + 0.5; |
|
else coeff=0.0; |
|
} |
|
else if (flags & SWS_GAUSS) |
|
{ |
|
double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0; |
|
coeff = pow(2.0, - p*d*d); |
|
} |
|
else if (flags & SWS_SINC) |
|
{ |
|
coeff = d ? sin(d*PI)/(d*PI) : 1.0; |
|
} |
|
else if (flags & SWS_LANCZOS) |
|
{ |
|
double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0; |
|
coeff = d ? sin(d*PI)*sin(d*PI/p)/(d*d*PI*PI/p) : 1.0; |
|
if (d>p) coeff=0; |
|
} |
|
else if (flags & SWS_BILINEAR) |
|
{ |
|
coeff= 1.0 - d; |
|
if (coeff<0) coeff=0; |
|
} |
|
else if (flags & SWS_SPLINE) |
|
{ |
|
double p=-2.196152422706632; |
|
coeff = getSplineCoeff(1.0, 0.0, p, -p-1.0, d); |
|
} |
|
else { |
|
coeff= 0.0; //GCC warning killer |
|
ASSERT(0) |
|
} |
|
|
|
filter[i*filterSize + j]= coeff; |
|
xx++; |
|
} |
|
xDstInSrc+= xInc1; |
|
} |
|
} |
|
|
|
/* apply src & dst Filter to filter -> filter2 |
|
av_free(filter); |
|
*/ |
|
ASSERT(filterSize>0) |
|
filter2Size= filterSize; |
|
if (srcFilter) filter2Size+= srcFilter->length - 1; |
|
if (dstFilter) filter2Size+= dstFilter->length - 1; |
|
ASSERT(filter2Size>0) |
|
filter2= av_malloc(filter2Size*dstW*sizeof(double)); |
|
|
|
for (i=0; i<dstW; i++) |
|
{ |
|
int j; |
|
SwsVector scaleFilter; |
|
SwsVector *outVec; |
|
|
|
scaleFilter.coeff= filter + i*filterSize; |
|
scaleFilter.length= filterSize; |
|
|
|
if (srcFilter) outVec= sws_getConvVec(srcFilter, &scaleFilter); |
|
else outVec= &scaleFilter; |
|
|
|
ASSERT(outVec->length == filter2Size) |
|
//FIXME dstFilter |
|
|
|
for (j=0; j<outVec->length; j++) |
|
{ |
|
filter2[i*filter2Size + j]= outVec->coeff[j]; |
|
} |
|
|
|
(*filterPos)[i]+= (filterSize-1)/2 - (filter2Size-1)/2; |
|
|
|
if (outVec != &scaleFilter) sws_freeVec(outVec); |
|
} |
|
av_free(filter); filter=NULL; |
|
|
|
/* try to reduce the filter-size (step1 find size and shift left) */ |
|
// Assume it is near normalized (*0.5 or *2.0 is OK but * 0.001 is not). |
|
minFilterSize= 0; |
|
for (i=dstW-1; i>=0; i--) |
|
{ |
|
int min= filter2Size; |
|
int j; |
|
double cutOff=0.0; |
|
|
|
/* get rid off near zero elements on the left by shifting left */ |
|
for (j=0; j<filter2Size; j++) |
|
{ |
|
int k; |
|
cutOff += FFABS(filter2[i*filter2Size]); |
|
|
|
if (cutOff > SWS_MAX_REDUCE_CUTOFF) break; |
|
|
|
/* preserve monotonicity because the core can't handle the filter otherwise */ |
|
if (i<dstW-1 && (*filterPos)[i] >= (*filterPos)[i+1]) break; |
|
|
|
// Move filter coeffs left |
|
for (k=1; k<filter2Size; k++) |
|
filter2[i*filter2Size + k - 1]= filter2[i*filter2Size + k]; |
|
filter2[i*filter2Size + k - 1]= 0.0; |
|
(*filterPos)[i]++; |
|
} |
|
|
|
cutOff=0.0; |
|
/* count near zeros on the right */ |
|
for (j=filter2Size-1; j>0; j--) |
|
{ |
|
cutOff += FFABS(filter2[i*filter2Size + j]); |
|
|
|
if (cutOff > SWS_MAX_REDUCE_CUTOFF) break; |
|
min--; |
|
} |
|
|
|
if (min>minFilterSize) minFilterSize= min; |
|
} |
|
|
|
if (flags & SWS_CPU_CAPS_ALTIVEC) { |
|
// we can handle the special case 4, |
|
// so we don't want to go to the full 8 |
|
if (minFilterSize < 5) |
|
filterAlign = 4; |
|
|
|
// we really don't want to waste our time |
|
// doing useless computation, so fall-back on |
|
// the scalar C code for very small filter. |
|
// vectorizing is worth it only if you have |
|
// decent-sized vector. |
|
if (minFilterSize < 3) |
|
filterAlign = 1; |
|
} |
|
|
|
if (flags & SWS_CPU_CAPS_MMX) { |
|
// special case for unscaled vertical filtering |
|
if (minFilterSize == 1 && filterAlign == 2) |
|
filterAlign= 1; |
|
} |
|
|
|
ASSERT(minFilterSize > 0) |
|
filterSize= (minFilterSize +(filterAlign-1)) & (~(filterAlign-1)); |
|
ASSERT(filterSize > 0) |
|
filter= av_malloc(filterSize*dstW*sizeof(double)); |
|
if (filterSize >= MAX_FILTER_SIZE) |
|
return -1; |
|
*outFilterSize= filterSize; |
|
|
|
if (flags&SWS_PRINT_INFO) |
|
av_log(NULL, AV_LOG_VERBOSE, "SwScaler: reducing / aligning filtersize %d -> %d\n", filter2Size, filterSize); |
|
/* try to reduce the filter-size (step2 reduce it) */ |
|
for (i=0; i<dstW; i++) |
|
{ |
|
int j; |
|
|
|
for (j=0; j<filterSize; j++) |
|
{ |
|
if (j>=filter2Size) filter[i*filterSize + j]= 0.0; |
|
else filter[i*filterSize + j]= filter2[i*filter2Size + j]; |
|
} |
|
} |
|
av_free(filter2); filter2=NULL; |
|
|
|
|
|
//FIXME try to align filterpos if possible |
|
|
|
//fix borders |
|
for (i=0; i<dstW; i++) |
|
{ |
|
int j; |
|
if ((*filterPos)[i] < 0) |
|
{ |
|
// Move filter coeffs left to compensate for filterPos |
|
for (j=1; j<filterSize; j++) |
|
{ |
|
int left= FFMAX(j + (*filterPos)[i], 0); |
|
filter[i*filterSize + left] += filter[i*filterSize + j]; |
|
filter[i*filterSize + j]=0; |
|
} |
|
(*filterPos)[i]= 0; |
|
} |
|
|
|
if ((*filterPos)[i] + filterSize > srcW) |
|
{ |
|
int shift= (*filterPos)[i] + filterSize - srcW; |
|
// Move filter coeffs right to compensate for filterPos |
|
for (j=filterSize-2; j>=0; j--) |
|
{ |
|
int right= FFMIN(j + shift, filterSize-1); |
|
filter[i*filterSize +right] += filter[i*filterSize +j]; |
|
filter[i*filterSize +j]=0; |
|
} |
|
(*filterPos)[i]= srcW - filterSize; |
|
} |
|
} |
|
|
|
// Note the +1 is for the MMXscaler which reads over the end |
|
/* align at 16 for AltiVec (needed by hScale_altivec_real) */ |
|
*outFilter= av_mallocz(*outFilterSize*(dstW+1)*sizeof(int16_t)); |
|
|
|
/* Normalize & Store in outFilter */ |
|
for (i=0; i<dstW; i++) |
|
{ |
|
int j; |
|
double error=0; |
|
double sum=0; |
|
double scale= one; |
|
|
|
for (j=0; j<filterSize; j++) |
|
{ |
|
sum+= filter[i*filterSize + j]; |
|
} |
|
scale/= sum; |
|
for (j=0; j<*outFilterSize; j++) |
|
{ |
|
double v= filter[i*filterSize + j]*scale + error; |
|
int intV= floor(v + 0.5); |
|
(*outFilter)[i*(*outFilterSize) + j]= intV; |
|
error = v - intV; |
|
} |
|
} |
|
|
|
(*filterPos)[dstW]= (*filterPos)[dstW-1]; // the MMX scaler will read over the end |
|
for (i=0; i<*outFilterSize; i++) |
|
{ |
|
int j= dstW*(*outFilterSize); |
|
(*outFilter)[j + i]= (*outFilter)[j + i - (*outFilterSize)]; |
|
} |
|
|
|
av_free(filter); |
|
return 0; |
|
} |
|
|
|
#ifdef COMPILE_MMX2 |
|
static void initMMX2HScaler(int dstW, int xInc, uint8_t *funnyCode, int16_t *filter, int32_t *filterPos, int numSplits) |
|
{ |
|
uint8_t *fragmentA; |
|
long imm8OfPShufW1A; |
|
long imm8OfPShufW2A; |
|
long fragmentLengthA; |
|
uint8_t *fragmentB; |
|
long imm8OfPShufW1B; |
|
long imm8OfPShufW2B; |
|
long fragmentLengthB; |
|
int fragmentPos; |
|
|
|
int xpos, i; |
|
|
|
// create an optimized horizontal scaling routine |
|
|
|
//code fragment |
|
|
|
asm volatile( |
|
"jmp 9f \n\t" |
|
// Begin |
|
"0: \n\t" |
|
"movq (%%"REG_d", %%"REG_a"), %%mm3 \n\t" |
|
"movd (%%"REG_c", %%"REG_S"), %%mm0 \n\t" |
|
"movd 1(%%"REG_c", %%"REG_S"), %%mm1 \n\t" |
|
"punpcklbw %%mm7, %%mm1 \n\t" |
|
"punpcklbw %%mm7, %%mm0 \n\t" |
|
"pshufw $0xFF, %%mm1, %%mm1 \n\t" |
|
"1: \n\t" |
|
"pshufw $0xFF, %%mm0, %%mm0 \n\t" |
|
"2: \n\t" |
|
"psubw %%mm1, %%mm0 \n\t" |
|
"movl 8(%%"REG_b", %%"REG_a"), %%esi \n\t" |
|
"pmullw %%mm3, %%mm0 \n\t" |
|
"psllw $7, %%mm1 \n\t" |
|
"paddw %%mm1, %%mm0 \n\t" |
|
|
|
"movq %%mm0, (%%"REG_D", %%"REG_a") \n\t" |
|
|
|
"add $8, %%"REG_a" \n\t" |
|
// End |
|
"9: \n\t" |
|
// "int $3 \n\t" |
|
"lea 0b, %0 \n\t" |
|
"lea 1b, %1 \n\t" |
|
"lea 2b, %2 \n\t" |
|
"dec %1 \n\t" |
|
"dec %2 \n\t" |
|
"sub %0, %1 \n\t" |
|
"sub %0, %2 \n\t" |
|
"lea 9b, %3 \n\t" |
|
"sub %0, %3 \n\t" |
|
|
|
|
|
:"=r" (fragmentA), "=r" (imm8OfPShufW1A), "=r" (imm8OfPShufW2A), |
|
"=r" (fragmentLengthA) |
|
); |
|
|
|
asm volatile( |
|
"jmp 9f \n\t" |
|
// Begin |
|
"0: \n\t" |
|
"movq (%%"REG_d", %%"REG_a"), %%mm3 \n\t" |
|
"movd (%%"REG_c", %%"REG_S"), %%mm0 \n\t" |
|
"punpcklbw %%mm7, %%mm0 \n\t" |
|
"pshufw $0xFF, %%mm0, %%mm1 \n\t" |
|
"1: \n\t" |
|
"pshufw $0xFF, %%mm0, %%mm0 \n\t" |
|
"2: \n\t" |
|
"psubw %%mm1, %%mm0 \n\t" |
|
"movl 8(%%"REG_b", %%"REG_a"), %%esi \n\t" |
|
"pmullw %%mm3, %%mm0 \n\t" |
|
"psllw $7, %%mm1 \n\t" |
|
"paddw %%mm1, %%mm0 \n\t" |
|
|
|
"movq %%mm0, (%%"REG_D", %%"REG_a") \n\t" |
|
|
|
"add $8, %%"REG_a" \n\t" |
|
// End |
|
"9: \n\t" |
|
// "int $3 \n\t" |
|
"lea 0b, %0 \n\t" |
|
"lea 1b, %1 \n\t" |
|
"lea 2b, %2 \n\t" |
|
"dec %1 \n\t" |
|
"dec %2 \n\t" |
|
"sub %0, %1 \n\t" |
|
"sub %0, %2 \n\t" |
|
"lea 9b, %3 \n\t" |
|
"sub %0, %3 \n\t" |
|
|
|
|
|
:"=r" (fragmentB), "=r" (imm8OfPShufW1B), "=r" (imm8OfPShufW2B), |
|
"=r" (fragmentLengthB) |
|
); |
|
|
|
xpos= 0; //lumXInc/2 - 0x8000; // difference between pixel centers |
|
fragmentPos=0; |
|
|
|
for (i=0; i<dstW/numSplits; i++) |
|
{ |
|
int xx=xpos>>16; |
|
|
|
if ((i&3) == 0) |
|
{ |
|
int a=0; |
|
int b=((xpos+xInc)>>16) - xx; |
|
int c=((xpos+xInc*2)>>16) - xx; |
|
int d=((xpos+xInc*3)>>16) - xx; |
|
|
|
filter[i ] = (( xpos & 0xFFFF) ^ 0xFFFF)>>9; |
|
filter[i+1] = (((xpos+xInc ) & 0xFFFF) ^ 0xFFFF)>>9; |
|
filter[i+2] = (((xpos+xInc*2) & 0xFFFF) ^ 0xFFFF)>>9; |
|
filter[i+3] = (((xpos+xInc*3) & 0xFFFF) ^ 0xFFFF)>>9; |
|
filterPos[i/2]= xx; |
|
|
|
if (d+1<4) |
|
{ |
|
int maxShift= 3-(d+1); |
|
int shift=0; |
|
|
|
memcpy(funnyCode + fragmentPos, fragmentB, fragmentLengthB); |
|
|
|
funnyCode[fragmentPos + imm8OfPShufW1B]= |
|
(a+1) | ((b+1)<<2) | ((c+1)<<4) | ((d+1)<<6); |
|
funnyCode[fragmentPos + imm8OfPShufW2B]= |
|
a | (b<<2) | (c<<4) | (d<<6); |
|
|
|
if (i+3>=dstW) shift=maxShift; //avoid overread |
|
else if ((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //Align |
|
|
|
if (shift && i>=shift) |
|
{ |
|
funnyCode[fragmentPos + imm8OfPShufW1B]+= 0x55*shift; |
|
funnyCode[fragmentPos + imm8OfPShufW2B]+= 0x55*shift; |
|
filterPos[i/2]-=shift; |
|
} |
|
|
|
fragmentPos+= fragmentLengthB; |
|
} |
|
else |
|
{ |
|
int maxShift= 3-d; |
|
int shift=0; |
|
|
|
memcpy(funnyCode + fragmentPos, fragmentA, fragmentLengthA); |
|
|
|
funnyCode[fragmentPos + imm8OfPShufW1A]= |
|
funnyCode[fragmentPos + imm8OfPShufW2A]= |
|
a | (b<<2) | (c<<4) | (d<<6); |
|
|
|
if (i+4>=dstW) shift=maxShift; //avoid overread |
|
else if ((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //partial align |
|
|
|
if (shift && i>=shift) |
|
{ |
|
funnyCode[fragmentPos + imm8OfPShufW1A]+= 0x55*shift; |
|
funnyCode[fragmentPos + imm8OfPShufW2A]+= 0x55*shift; |
|
filterPos[i/2]-=shift; |
|
} |
|
|
|
fragmentPos+= fragmentLengthA; |
|
} |
|
|
|
funnyCode[fragmentPos]= RET; |
|
} |
|
xpos+=xInc; |
|
} |
|
filterPos[i/2]= xpos>>16; // needed to jump to the next part |
|
} |
|
#endif /* COMPILE_MMX2 */ |
|
|
|
static void globalInit(void){ |
|
// generating tables: |
|
int i; |
|
for (i=0; i<768; i++){ |
|
int c= av_clip_uint8(i-256); |
|
clip_table[i]=c; |
|
} |
|
} |
|
|
|
static SwsFunc getSwsFunc(int flags){ |
|
|
|
#if defined(RUNTIME_CPUDETECT) && defined (CONFIG_GPL) |
|
#if defined(ARCH_X86) |
|
// ordered per speed fastest first |
|
if (flags & SWS_CPU_CAPS_MMX2) |
|
return swScale_MMX2; |
|
else if (flags & SWS_CPU_CAPS_3DNOW) |
|
return swScale_3DNow; |
|
else if (flags & SWS_CPU_CAPS_MMX) |
|
return swScale_MMX; |
|
else |
|
return swScale_C; |
|
|
|
#else |
|
#ifdef ARCH_POWERPC |
|
if (flags & SWS_CPU_CAPS_ALTIVEC) |
|
return swScale_altivec; |
|
else |
|
return swScale_C; |
|
#endif |
|
return swScale_C; |
|
#endif /* defined(ARCH_X86) */ |
|
#else //RUNTIME_CPUDETECT |
|
#ifdef HAVE_MMX2 |
|
return swScale_MMX2; |
|
#elif defined (HAVE_3DNOW) |
|
return swScale_3DNow; |
|
#elif defined (HAVE_MMX) |
|
return swScale_MMX; |
|
#elif defined (HAVE_ALTIVEC) |
|
return swScale_altivec; |
|
#else |
|
return swScale_C; |
|
#endif |
|
#endif //!RUNTIME_CPUDETECT |
|
} |
|
|
|
static int PlanarToNV12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dstParam[], int dstStride[]){ |
|
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; |
|
/* Copy Y plane */ |
|
if (dstStride[0]==srcStride[0] && srcStride[0] > 0) |
|
memcpy(dst, src[0], srcSliceH*dstStride[0]); |
|
else |
|
{ |
|
int i; |
|
uint8_t *srcPtr= src[0]; |
|
uint8_t *dstPtr= dst; |
|
for (i=0; i<srcSliceH; i++) |
|
{ |
|
memcpy(dstPtr, srcPtr, c->srcW); |
|
srcPtr+= srcStride[0]; |
|
dstPtr+= dstStride[0]; |
|
} |
|
} |
|
dst = dstParam[1] + dstStride[1]*srcSliceY/2; |
|
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, 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, 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; |
|
} |
|
|
|
/* {RGB,BGR}{15,16,24,32} -> {RGB,BGR}{15,16,24,32} */ |
|
static int rgb2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
|
const int srcFormat= c->srcFormat; |
|
const int dstFormat= c->dstFormat; |
|
const int srcBpp= (fmt_depth(srcFormat) + 7) >> 3; |
|
const int dstBpp= (fmt_depth(dstFormat) + 7) >> 3; |
|
const int srcId= fmt_depth(srcFormat) >> 2; /* 1:0, 4:1, 8:2, 15:3, 16:4, 24:6, 32:8 */ |
|
const int dstId= fmt_depth(dstFormat) >> 2; |
|
void (*conv)(const uint8_t *src, uint8_t *dst, long src_size)=NULL; |
|
|
|
/* BGR -> BGR */ |
|
if ( (isBGR(srcFormat) && isBGR(dstFormat)) |
|
|| (isRGB(srcFormat) && isRGB(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; |
|
default: av_log(c, AV_LOG_ERROR, "swScaler: internal error %s -> %s converter\n", |
|
sws_format_name(srcFormat), sws_format_name(dstFormat)); break; |
|
} |
|
}else if ( (isBGR(srcFormat) && isRGB(dstFormat)) |
|
|| (isRGB(srcFormat) && isBGR(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; |
|
case 0x88: conv= rgb32tobgr32; break; |
|
default: av_log(c, AV_LOG_ERROR, "swScaler: internal error %s -> %s converter\n", |
|
sws_format_name(srcFormat), sws_format_name(dstFormat)); break; |
|
} |
|
}else{ |
|
av_log(c, AV_LOG_ERROR, "swScaler: internal error %s -> %s converter\n", |
|
sws_format_name(srcFormat), sws_format_name(dstFormat)); |
|
} |
|
|
|
if(conv) |
|
{ |
|
if (dstStride[0]*srcBpp == srcStride[0]*dstBpp && srcStride[0] > 0) |
|
conv(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); |
|
else |
|
{ |
|
int i; |
|
uint8_t *srcPtr= src[0]; |
|
uint8_t *dstPtr= dst[0] + 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, 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]); |
|
return srcSliceH; |
|
} |
|
|
|
static int yvu9toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
|
int i; |
|
|
|
/* copy Y */ |
|
if (srcStride[0]==dstStride[0] && srcStride[0] > 0) |
|
memcpy(dst[0]+ srcSliceY*dstStride[0], src[0], srcStride[0]*srcSliceH); |
|
else{ |
|
uint8_t *srcPtr= src[0]; |
|
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; |
|
|
|
for (i=0; i<srcSliceH; i++) |
|
{ |
|
memcpy(dstPtr, srcPtr, c->srcW); |
|
srcPtr+= srcStride[0]; |
|
dstPtr+= dstStride[0]; |
|
} |
|
} |
|
|
|
if (c->dstFormat==PIX_FMT_YUV420P){ |
|
planar2x(src[1], dst[1], c->chrSrcW, c->chrSrcH, srcStride[1], dstStride[1]); |
|
planar2x(src[2], dst[2], c->chrSrcW, c->chrSrcH, srcStride[2], dstStride[2]); |
|
}else{ |
|
planar2x(src[1], dst[2], c->chrSrcW, c->chrSrcH, srcStride[1], dstStride[2]); |
|
planar2x(src[2], dst[1], c->chrSrcW, c->chrSrcH, srcStride[2], dstStride[1]); |
|
} |
|
return srcSliceH; |
|
} |
|
|
|
/* unscaled copy like stuff (assumes nearly identical formats) */ |
|
static int simpleCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
|
|
|
if (isPacked(c->srcFormat)) |
|
{ |
|
if (dstStride[0]==srcStride[0] && srcStride[0] > 0) |
|
memcpy(dst[0] + dstStride[0]*srcSliceY, src[0], srcSliceH*dstStride[0]); |
|
else |
|
{ |
|
int i; |
|
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]; |
|
} |
|
} |
|
} |
|
else |
|
{ /* Planar YUV or gray */ |
|
int plane; |
|
for (plane=0; plane<3; plane++) |
|
{ |
|
int length= plane==0 ? c->srcW : -((-c->srcW )>>c->chrDstHSubSample); |
|
int y= plane==0 ? srcSliceY: -((-srcSliceY)>>c->chrDstVSubSample); |
|
int height= plane==0 ? srcSliceH: -((-srcSliceH)>>c->chrDstVSubSample); |
|
|
|
if ((isGray(c->srcFormat) || isGray(c->dstFormat)) && plane>0) |
|
{ |
|
if (!isGray(c->dstFormat)) |
|
memset(dst[plane], 128, dstStride[plane]*height); |
|
} |
|
else |
|
{ |
|
if (dstStride[plane]==srcStride[plane] && srcStride[plane] > 0) |
|
memcpy(dst[plane] + dstStride[plane]*y, src[plane], height*dstStride[plane]); |
|
else |
|
{ |
|
int i; |
|
uint8_t *srcPtr= src[plane]; |
|
uint8_t *dstPtr= dst[plane] + dstStride[plane]*y; |
|
for (i=0; i<height; i++) |
|
{ |
|
memcpy(dstPtr, srcPtr, length); |
|
srcPtr+= srcStride[plane]; |
|
dstPtr+= dstStride[plane]; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
return srcSliceH; |
|
} |
|
|
|
static int gray16togray(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
|
|
|
int length= c->srcW; |
|
int y= srcSliceY; |
|
int height= srcSliceH; |
|
int i, j; |
|
uint8_t *srcPtr= src[0]; |
|
uint8_t *dstPtr= dst[0] + dstStride[0]*y; |
|
|
|
if (!isGray(c->dstFormat)){ |
|
int height= -((-srcSliceH)>>c->chrDstVSubSample); |
|
memset(dst[1], 128, dstStride[1]*height); |
|
memset(dst[2], 128, dstStride[2]*height); |
|
} |
|
if (c->srcFormat == PIX_FMT_GRAY16LE) srcPtr++; |
|
for (i=0; i<height; i++) |
|
{ |
|
for (j=0; j<length; j++) dstPtr[j] = srcPtr[j<<1]; |
|
srcPtr+= srcStride[0]; |
|
dstPtr+= dstStride[0]; |
|
} |
|
return srcSliceH; |
|
} |
|
|
|
static int graytogray16(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
|
|
|
int length= c->srcW; |
|
int y= srcSliceY; |
|
int height= srcSliceH; |
|
int i, j; |
|
uint8_t *srcPtr= src[0]; |
|
uint8_t *dstPtr= dst[0] + dstStride[0]*y; |
|
for (i=0; i<height; i++) |
|
{ |
|
for (j=0; j<length; j++) |
|
{ |
|
dstPtr[j<<1] = srcPtr[j]; |
|
dstPtr[(j<<1)+1] = srcPtr[j]; |
|
} |
|
srcPtr+= srcStride[0]; |
|
dstPtr+= dstStride[0]; |
|
} |
|
return srcSliceH; |
|
} |
|
|
|
static int gray16swap(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
|
|
|
int length= c->srcW; |
|
int y= srcSliceY; |
|
int height= srcSliceH; |
|
int i, j; |
|
uint16_t *srcPtr= src[0]; |
|
uint16_t *dstPtr= dst[0] + dstStride[0]*y/2; |
|
for (i=0; i<height; i++) |
|
{ |
|
for (j=0; j<length; j++) dstPtr[j] = bswap_16(srcPtr[j]); |
|
srcPtr+= srcStride[0]/2; |
|
dstPtr+= dstStride[0]/2; |
|
} |
|
return srcSliceH; |
|
} |
|
|
|
|
|
static void getSubSampleFactors(int *h, int *v, int format){ |
|
switch(format){ |
|
case PIX_FMT_UYVY422: |
|
case PIX_FMT_YUYV422: |
|
*h=1; |
|
*v=0; |
|
break; |
|
case PIX_FMT_YUV420P: |
|
case PIX_FMT_YUVA420P: |
|
case PIX_FMT_GRAY16BE: |
|
case PIX_FMT_GRAY16LE: |
|
case PIX_FMT_GRAY8: //FIXME remove after different subsamplings are fully implemented |
|
case PIX_FMT_NV12: |
|
case PIX_FMT_NV21: |
|
*h=1; |
|
*v=1; |
|
break; |
|
case PIX_FMT_YUV440P: |
|
*h=0; |
|
*v=1; |
|
break; |
|
case PIX_FMT_YUV410P: |
|
*h=2; |
|
*v=2; |
|
break; |
|
case PIX_FMT_YUV444P: |
|
*h=0; |
|
*v=0; |
|
break; |
|
case PIX_FMT_YUV422P: |
|
*h=1; |
|
*v=0; |
|
break; |
|
case PIX_FMT_YUV411P: |
|
*h=2; |
|
*v=0; |
|
break; |
|
default: |
|
*h=0; |
|
*v=0; |
|
break; |
|
} |
|
} |
|
|
|
static uint16_t roundToInt16(int64_t f){ |
|
int r= (f + (1<<15))>>16; |
|
if (r<-0x7FFF) return 0x8000; |
|
else if (r> 0x7FFF) return 0x7FFF; |
|
else return r; |
|
} |
|
|
|
/** |
|
* @param inv_table the yuv2rgb coeffs, normally Inverse_Table_6_9[x] |
|
* @param fullRange if 1 then the luma range is 0..255 if 0 it is 16..235 |
|
* @return -1 if not supported |
|
*/ |
|
int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation){ |
|
int64_t crv = inv_table[0]; |
|
int64_t cbu = inv_table[1]; |
|
int64_t cgu = -inv_table[2]; |
|
int64_t cgv = -inv_table[3]; |
|
int64_t cy = 1<<16; |
|
int64_t oy = 0; |
|
|
|
if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1; |
|
memcpy(c->srcColorspaceTable, inv_table, sizeof(int)*4); |
|
memcpy(c->dstColorspaceTable, table, sizeof(int)*4); |
|
|
|
c->brightness= brightness; |
|
c->contrast = contrast; |
|
c->saturation= saturation; |
|
c->srcRange = srcRange; |
|
c->dstRange = dstRange; |
|
|
|
c->uOffset= 0x0400040004000400LL; |
|
c->vOffset= 0x0400040004000400LL; |
|
|
|
if (!srcRange){ |
|
cy= (cy*255) / 219; |
|
oy= 16<<16; |
|
}else{ |
|
crv= (crv*224) / 255; |
|
cbu= (cbu*224) / 255; |
|
cgu= (cgu*224) / 255; |
|
cgv= (cgv*224) / 255; |
|
} |
|
|
|
cy = (cy *contrast )>>16; |
|
crv= (crv*contrast * saturation)>>32; |
|
cbu= (cbu*contrast * saturation)>>32; |
|
cgu= (cgu*contrast * saturation)>>32; |
|
cgv= (cgv*contrast * saturation)>>32; |
|
|
|
oy -= 256*brightness; |
|
|
|
c->yCoeff= roundToInt16(cy *8192) * 0x0001000100010001ULL; |
|
c->vrCoeff= roundToInt16(crv*8192) * 0x0001000100010001ULL; |
|
c->ubCoeff= roundToInt16(cbu*8192) * 0x0001000100010001ULL; |
|
c->vgCoeff= roundToInt16(cgv*8192) * 0x0001000100010001ULL; |
|
c->ugCoeff= roundToInt16(cgu*8192) * 0x0001000100010001ULL; |
|
c->yOffset= roundToInt16(oy * 8) * 0x0001000100010001ULL; |
|
|
|
yuv2rgb_c_init_tables(c, inv_table, srcRange, brightness, contrast, saturation); |
|
//FIXME factorize |
|
|
|
#ifdef COMPILE_ALTIVEC |
|
if (c->flags & SWS_CPU_CAPS_ALTIVEC) |
|
yuv2rgb_altivec_init_tables (c, inv_table, brightness, contrast, saturation); |
|
#endif |
|
return 0; |
|
} |
|
|
|
/** |
|
* @return -1 if not supported |
|
*/ |
|
int sws_getColorspaceDetails(SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation){ |
|
if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1; |
|
|
|
*inv_table = c->srcColorspaceTable; |
|
*table = c->dstColorspaceTable; |
|
*srcRange = c->srcRange; |
|
*dstRange = c->dstRange; |
|
*brightness= c->brightness; |
|
*contrast = c->contrast; |
|
*saturation= c->saturation; |
|
|
|
return 0; |
|
} |
|
|
|
static int handle_jpeg(int *format) |
|
{ |
|
switch (*format) { |
|
case PIX_FMT_YUVJ420P: |
|
*format = PIX_FMT_YUV420P; |
|
return 1; |
|
case PIX_FMT_YUVJ422P: |
|
*format = PIX_FMT_YUV422P; |
|
return 1; |
|
case PIX_FMT_YUVJ444P: |
|
*format = PIX_FMT_YUV444P; |
|
return 1; |
|
case PIX_FMT_YUVJ440P: |
|
*format = PIX_FMT_YUV440P; |
|
return 1; |
|
default: |
|
return 0; |
|
} |
|
} |
|
|
|
SwsContext *sws_getContext(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat, int flags, |
|
SwsFilter *srcFilter, SwsFilter *dstFilter, double *param){ |
|
|
|
SwsContext *c; |
|
int i; |
|
int usesVFilter, usesHFilter; |
|
int unscaled, needsDither; |
|
int srcRange, dstRange; |
|
SwsFilter dummyFilter= {NULL, NULL, NULL, NULL}; |
|
#if defined(ARCH_X86) |
|
if (flags & SWS_CPU_CAPS_MMX) |
|
asm volatile("emms\n\t"::: "memory"); |
|
#endif |
|
|
|
#if !defined(RUNTIME_CPUDETECT) || !defined (CONFIG_GPL) //ensure that the flags match the compiled variant if cpudetect is off |
|
flags &= ~(SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2|SWS_CPU_CAPS_3DNOW|SWS_CPU_CAPS_ALTIVEC|SWS_CPU_CAPS_BFIN); |
|
#ifdef HAVE_MMX2 |
|
flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2; |
|
#elif defined (HAVE_3DNOW) |
|
flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_3DNOW; |
|
#elif defined (HAVE_MMX) |
|
flags |= SWS_CPU_CAPS_MMX; |
|
#elif defined (HAVE_ALTIVEC) |
|
flags |= SWS_CPU_CAPS_ALTIVEC; |
|
#elif defined (ARCH_BFIN) |
|
flags |= SWS_CPU_CAPS_BFIN; |
|
#endif |
|
#endif /* RUNTIME_CPUDETECT */ |
|
if (clip_table[512] != 255) globalInit(); |
|
if (!rgb15to16) sws_rgb2rgb_init(flags); |
|
|
|
unscaled = (srcW == dstW && srcH == dstH); |
|
needsDither= (isBGR(dstFormat) || isRGB(dstFormat)) |
|
&& (fmt_depth(dstFormat))<24 |
|
&& ((fmt_depth(dstFormat))<(fmt_depth(srcFormat)) || (!(isRGB(srcFormat) || isBGR(srcFormat)))); |
|
|
|
srcRange = handle_jpeg(&srcFormat); |
|
dstRange = handle_jpeg(&dstFormat); |
|
|
|
if (!isSupportedIn(srcFormat)) |
|
{ |
|
av_log(NULL, AV_LOG_ERROR, "swScaler: %s is not supported as input pixel format\n", sws_format_name(srcFormat)); |
|
return NULL; |
|
} |
|
if (!isSupportedOut(dstFormat)) |
|
{ |
|
av_log(NULL, AV_LOG_ERROR, "swScaler: %s is not supported as output pixel format\n", sws_format_name(dstFormat)); |
|
return NULL; |
|
} |
|
|
|
/* sanity check */ |
|
if (srcW<4 || srcH<1 || dstW<8 || dstH<1) //FIXME check if these are enough and try to lowwer them after fixing the relevant parts of the code |
|
{ |
|
av_log(NULL, AV_LOG_ERROR, "swScaler: %dx%d -> %dx%d is invalid scaling dimension\n", |
|
srcW, srcH, dstW, dstH); |
|
return NULL; |
|
} |
|
|
|
if (!dstFilter) dstFilter= &dummyFilter; |
|
if (!srcFilter) srcFilter= &dummyFilter; |
|
|
|
c= av_mallocz(sizeof(SwsContext)); |
|
|
|
c->av_class = &sws_context_class; |
|
c->srcW= srcW; |
|
c->srcH= srcH; |
|
c->dstW= dstW; |
|
c->dstH= dstH; |
|
c->lumXInc= ((srcW<<16) + (dstW>>1))/dstW; |
|
c->lumYInc= ((srcH<<16) + (dstH>>1))/dstH; |
|
c->flags= flags; |
|
c->dstFormat= dstFormat; |
|
c->srcFormat= srcFormat; |
|
c->vRounder= 4* 0x0001000100010001ULL; |
|
|
|
usesHFilter= usesVFilter= 0; |
|
if (dstFilter->lumV && dstFilter->lumV->length>1) usesVFilter=1; |
|
if (dstFilter->lumH && dstFilter->lumH->length>1) usesHFilter=1; |
|
if (dstFilter->chrV && dstFilter->chrV->length>1) usesVFilter=1; |
|
if (dstFilter->chrH && dstFilter->chrH->length>1) usesHFilter=1; |
|
if (srcFilter->lumV && srcFilter->lumV->length>1) usesVFilter=1; |
|
if (srcFilter->lumH && srcFilter->lumH->length>1) usesHFilter=1; |
|
if (srcFilter->chrV && srcFilter->chrV->length>1) usesVFilter=1; |
|
if (srcFilter->chrH && srcFilter->chrH->length>1) usesHFilter=1; |
|
|
|
getSubSampleFactors(&c->chrSrcHSubSample, &c->chrSrcVSubSample, srcFormat); |
|
getSubSampleFactors(&c->chrDstHSubSample, &c->chrDstVSubSample, dstFormat); |
|
|
|
// reuse chroma for 2 pixles rgb/bgr unless user wants full chroma interpolation |
|
if ((isBGR(dstFormat) || isRGB(dstFormat)) && !(flags&SWS_FULL_CHR_H_INT)) c->chrDstHSubSample=1; |
|
|
|
// drop some chroma lines if the user wants it |
|
c->vChrDrop= (flags&SWS_SRC_V_CHR_DROP_MASK)>>SWS_SRC_V_CHR_DROP_SHIFT; |
|
c->chrSrcVSubSample+= c->vChrDrop; |
|
|
|
// drop every 2. pixel for chroma calculation unless user wants full chroma |
|
if ((isBGR(srcFormat) || isRGB(srcFormat)) && !(flags&SWS_FULL_CHR_H_INP) |
|
&& srcFormat!=PIX_FMT_RGB8 && srcFormat!=PIX_FMT_BGR8 |
|
&& srcFormat!=PIX_FMT_RGB4 && srcFormat!=PIX_FMT_BGR4 |
|
&& srcFormat!=PIX_FMT_RGB4_BYTE && srcFormat!=PIX_FMT_BGR4_BYTE) |
|
c->chrSrcHSubSample=1; |
|
|
|
if (param){ |
|
c->param[0] = param[0]; |
|
c->param[1] = param[1]; |
|
}else{ |
|
c->param[0] = |
|
c->param[1] = SWS_PARAM_DEFAULT; |
|
} |
|
|
|
c->chrIntHSubSample= c->chrDstHSubSample; |
|
c->chrIntVSubSample= c->chrSrcVSubSample; |
|
|
|
// Note the -((-x)>>y) is so that we always round toward +inf. |
|
c->chrSrcW= -((-srcW) >> c->chrSrcHSubSample); |
|
c->chrSrcH= -((-srcH) >> c->chrSrcVSubSample); |
|
c->chrDstW= -((-dstW) >> c->chrDstHSubSample); |
|
c->chrDstH= -((-dstH) >> c->chrDstVSubSample); |
|
|
|
sws_setColorspaceDetails(c, Inverse_Table_6_9[SWS_CS_DEFAULT], srcRange, Inverse_Table_6_9[SWS_CS_DEFAULT] /* FIXME*/, dstRange, 0, 1<<16, 1<<16); |
|
|
|
/* unscaled special Cases */ |
|
if (unscaled && !usesHFilter && !usesVFilter) |
|
{ |
|
/* yv12_to_nv12 */ |
|
if (srcFormat == PIX_FMT_YUV420P && (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21)) |
|
{ |
|
c->swScale= PlanarToNV12Wrapper; |
|
} |
|
#ifdef CONFIG_GPL |
|
/* yuv2bgr */ |
|
if ((srcFormat==PIX_FMT_YUV420P || srcFormat==PIX_FMT_YUV422P) && (isBGR(dstFormat) || isRGB(dstFormat))) |
|
{ |
|
c->swScale= yuv2rgb_get_func_ptr(c); |
|
} |
|
#endif |
|
|
|
if (srcFormat==PIX_FMT_YUV410P && dstFormat==PIX_FMT_YUV420P) |
|
{ |
|
c->swScale= yvu9toyv12Wrapper; |
|
} |
|
|
|
/* bgr24toYV12 */ |
|
if (srcFormat==PIX_FMT_BGR24 && dstFormat==PIX_FMT_YUV420P) |
|
c->swScale= bgr24toyv12Wrapper; |
|
|
|
/* rgb/bgr -> rgb/bgr (no dither needed forms) */ |
|
if ( (isBGR(srcFormat) || isRGB(srcFormat)) |
|
&& (isBGR(dstFormat) || isRGB(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 |
|
&& !needsDither) |
|
c->swScale= rgb2rgbWrapper; |
|
|
|
/* LQ converters if -sws 0 or -sws 4*/ |
|
if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)){ |
|
/* rgb/bgr -> rgb/bgr (dither needed forms) */ |
|
if ( (isBGR(srcFormat) || isRGB(srcFormat)) |
|
&& (isBGR(dstFormat) || isRGB(dstFormat)) |
|
&& needsDither) |
|
c->swScale= rgb2rgbWrapper; |
|
|
|
/* yv12_to_yuy2 */ |
|
if (srcFormat == PIX_FMT_YUV420P && |
|
(dstFormat == PIX_FMT_YUYV422 || dstFormat == PIX_FMT_UYVY422)) |
|
{ |
|
if (dstFormat == PIX_FMT_YUYV422) |
|
c->swScale= PlanarToYuy2Wrapper; |
|
else |
|
c->swScale= PlanarToUyvyWrapper; |
|
} |
|
} |
|
|
|
#ifdef COMPILE_ALTIVEC |
|
if ((c->flags & SWS_CPU_CAPS_ALTIVEC) && |
|
((srcFormat == PIX_FMT_YUV420P && |
|
(dstFormat == PIX_FMT_YUYV422 || dstFormat == PIX_FMT_UYVY422)))) { |
|
// unscaled YV12 -> packed YUV, we want speed |
|
if (dstFormat == PIX_FMT_YUYV422) |
|
c->swScale= yv12toyuy2_unscaled_altivec; |
|
else |
|
c->swScale= yv12touyvy_unscaled_altivec; |
|
} |
|
#endif |
|
|
|
/* simple copy */ |
|
if ( srcFormat == dstFormat |
|
|| (isPlanarYUV(srcFormat) && isGray(dstFormat)) |
|
|| (isPlanarYUV(dstFormat) && isGray(srcFormat))) |
|
{ |
|
c->swScale= simpleCopy; |
|
} |
|
|
|
/* gray16{le,be} conversions */ |
|
if (isGray16(srcFormat) && (isPlanarYUV(dstFormat) || (dstFormat == PIX_FMT_GRAY8))) |
|
{ |
|
c->swScale= gray16togray; |
|
} |
|
if ((isPlanarYUV(srcFormat) || (srcFormat == PIX_FMT_GRAY8)) && isGray16(dstFormat)) |
|
{ |
|
c->swScale= graytogray16; |
|
} |
|
if (srcFormat != dstFormat && isGray16(srcFormat) && isGray16(dstFormat)) |
|
{ |
|
c->swScale= gray16swap; |
|
} |
|
|
|
#ifdef ARCH_BFIN |
|
if (flags & SWS_CPU_CAPS_BFIN) |
|
ff_bfin_get_unscaled_swscale (c); |
|
#endif |
|
|
|
if (c->swScale){ |
|
if (flags&SWS_PRINT_INFO) |
|
av_log(c, AV_LOG_INFO, "SwScaler: using unscaled %s -> %s special converter\n", |
|
sws_format_name(srcFormat), sws_format_name(dstFormat)); |
|
return c; |
|
} |
|
} |
|
|
|
if (flags & SWS_CPU_CAPS_MMX2) |
|
{ |
|
c->canMMX2BeUsed= (dstW >=srcW && (dstW&31)==0 && (srcW&15)==0) ? 1 : 0; |
|
if (!c->canMMX2BeUsed && dstW >=srcW && (srcW&15)==0 && (flags&SWS_FAST_BILINEAR)) |
|
{ |
|
if (flags&SWS_PRINT_INFO) |
|
av_log(c, AV_LOG_INFO, "SwScaler: output Width is not a multiple of 32 -> no MMX2 scaler\n"); |
|
} |
|
if (usesHFilter) c->canMMX2BeUsed=0; |
|
} |
|
else |
|
c->canMMX2BeUsed=0; |
|
|
|
c->chrXInc= ((c->chrSrcW<<16) + (c->chrDstW>>1))/c->chrDstW; |
|
c->chrYInc= ((c->chrSrcH<<16) + (c->chrDstH>>1))/c->chrDstH; |
|
|
|
// match pixel 0 of the src to pixel 0 of dst and match pixel n-2 of src to pixel n-2 of dst |
|
// but only for the FAST_BILINEAR mode otherwise do correct scaling |
|
// n-2 is the last chrominance sample available |
|
// this is not perfect, but no one should notice the difference, the more correct variant |
|
// would be like the vertical one, but that would require some special code for the |
|
// first and last pixel |
|
if (flags&SWS_FAST_BILINEAR) |
|
{ |
|
if (c->canMMX2BeUsed) |
|
{ |
|
c->lumXInc+= 20; |
|
c->chrXInc+= 20; |
|
} |
|
//we don't use the x86asm scaler if mmx is available |
|
else if (flags & SWS_CPU_CAPS_MMX) |
|
{ |
|
c->lumXInc = ((srcW-2)<<16)/(dstW-2) - 20; |
|
c->chrXInc = ((c->chrSrcW-2)<<16)/(c->chrDstW-2) - 20; |
|
} |
|
} |
|
|
|
/* precalculate horizontal scaler filter coefficients */ |
|
{ |
|
const int filterAlign= |
|
(flags & SWS_CPU_CAPS_MMX) ? 4 : |
|
(flags & SWS_CPU_CAPS_ALTIVEC) ? 8 : |
|
1; |
|
|
|
initFilter(&c->hLumFilter, &c->hLumFilterPos, &c->hLumFilterSize, c->lumXInc, |
|
srcW , dstW, filterAlign, 1<<14, |
|
(flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags, |
|
srcFilter->lumH, dstFilter->lumH, c->param); |
|
initFilter(&c->hChrFilter, &c->hChrFilterPos, &c->hChrFilterSize, c->chrXInc, |
|
c->chrSrcW, c->chrDstW, filterAlign, 1<<14, |
|
(flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags, |
|
srcFilter->chrH, dstFilter->chrH, c->param); |
|
|
|
#define MAX_FUNNY_CODE_SIZE 10000 |
|
#if defined(COMPILE_MMX2) |
|
// can't downscale !!! |
|
if (c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR)) |
|
{ |
|
#ifdef MAP_ANONYMOUS |
|
c->funnyYCode = (uint8_t*)mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); |
|
c->funnyUVCode = (uint8_t*)mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); |
|
#else |
|
c->funnyYCode = av_malloc(MAX_FUNNY_CODE_SIZE); |
|
c->funnyUVCode = av_malloc(MAX_FUNNY_CODE_SIZE); |
|
#endif |
|
|
|
c->lumMmx2Filter = av_malloc((dstW /8+8)*sizeof(int16_t)); |
|
c->chrMmx2Filter = av_malloc((c->chrDstW /4+8)*sizeof(int16_t)); |
|
c->lumMmx2FilterPos= av_malloc((dstW /2/8+8)*sizeof(int32_t)); |
|
c->chrMmx2FilterPos= av_malloc((c->chrDstW/2/4+8)*sizeof(int32_t)); |
|
|
|
initMMX2HScaler( dstW, c->lumXInc, c->funnyYCode , c->lumMmx2Filter, c->lumMmx2FilterPos, 8); |
|
initMMX2HScaler(c->chrDstW, c->chrXInc, c->funnyUVCode, c->chrMmx2Filter, c->chrMmx2FilterPos, 4); |
|
} |
|
#endif /* defined(COMPILE_MMX2) */ |
|
} // Init Horizontal stuff |
|
|
|
|
|
|
|
/* precalculate vertical scaler filter coefficients */ |
|
{ |
|
const int filterAlign= |
|
(flags & SWS_CPU_CAPS_MMX) && (flags & SWS_ACCURATE_RND) ? 2 : |
|
(flags & SWS_CPU_CAPS_ALTIVEC) ? 8 : |
|
1; |
|
|
|
initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize, c->lumYInc, |
|
srcH , dstH, filterAlign, (1<<12)-4, |
|
(flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags, |
|
srcFilter->lumV, dstFilter->lumV, c->param); |
|
initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize, c->chrYInc, |
|
c->chrSrcH, c->chrDstH, filterAlign, (1<<12)-4, |
|
(flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags, |
|
srcFilter->chrV, dstFilter->chrV, c->param); |
|
|
|
#ifdef HAVE_ALTIVEC |
|
c->vYCoeffsBank = av_malloc(sizeof (vector signed short)*c->vLumFilterSize*c->dstH); |
|
c->vCCoeffsBank = av_malloc(sizeof (vector signed short)*c->vChrFilterSize*c->chrDstH); |
|
|
|
for (i=0;i<c->vLumFilterSize*c->dstH;i++) { |
|
int j; |
|
short *p = (short *)&c->vYCoeffsBank[i]; |
|
for (j=0;j<8;j++) |
|
p[j] = c->vLumFilter[i]; |
|
} |
|
|
|
for (i=0;i<c->vChrFilterSize*c->chrDstH;i++) { |
|
int j; |
|
short *p = (short *)&c->vCCoeffsBank[i]; |
|
for (j=0;j<8;j++) |
|
p[j] = c->vChrFilter[i]; |
|
} |
|
#endif |
|
} |
|
|
|
// Calculate Buffer Sizes so that they won't run out while handling these damn slices |
|
c->vLumBufSize= c->vLumFilterSize; |
|
c->vChrBufSize= c->vChrFilterSize; |
|
for (i=0; i<dstH; i++) |
|
{ |
|
int chrI= i*c->chrDstH / dstH; |
|
int nextSlice= FFMAX(c->vLumFilterPos[i ] + c->vLumFilterSize - 1, |
|
((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample)); |
|
|
|
nextSlice>>= c->chrSrcVSubSample; |
|
nextSlice<<= c->chrSrcVSubSample; |
|
if (c->vLumFilterPos[i ] + c->vLumBufSize < nextSlice) |
|
c->vLumBufSize= nextSlice - c->vLumFilterPos[i]; |
|
if (c->vChrFilterPos[chrI] + c->vChrBufSize < (nextSlice>>c->chrSrcVSubSample)) |
|
c->vChrBufSize= (nextSlice>>c->chrSrcVSubSample) - c->vChrFilterPos[chrI]; |
|
} |
|
|
|
// allocate pixbufs (we use dynamic allocation because otherwise we would need to |
|
c->lumPixBuf= av_malloc(c->vLumBufSize*2*sizeof(int16_t*)); |
|
c->chrPixBuf= av_malloc(c->vChrBufSize*2*sizeof(int16_t*)); |
|
//Note we need at least one pixel more at the end because of the mmx code (just in case someone wanna replace the 4000/8000) |
|
/* align at 16 bytes for AltiVec */ |
|
for (i=0; i<c->vLumBufSize; i++) |
|
c->lumPixBuf[i]= c->lumPixBuf[i+c->vLumBufSize]= av_mallocz(4000); |
|
for (i=0; i<c->vChrBufSize; i++) |
|
c->chrPixBuf[i]= c->chrPixBuf[i+c->vChrBufSize]= av_malloc(8000); |
|
|
|
//try to avoid drawing green stuff between the right end and the stride end |
|
for (i=0; i<c->vChrBufSize; i++) memset(c->chrPixBuf[i], 64, 8000); |
|
|
|
ASSERT(c->chrDstH <= dstH) |
|
|
|
if (flags&SWS_PRINT_INFO) |
|
{ |
|
#ifdef DITHER1XBPP |
|
char *dither= " dithered"; |
|
#else |
|
char *dither= ""; |
|
#endif |
|
if (flags&SWS_FAST_BILINEAR) |
|
av_log(c, AV_LOG_INFO, "SwScaler: FAST_BILINEAR scaler, "); |
|
else if (flags&SWS_BILINEAR) |
|
av_log(c, AV_LOG_INFO, "SwScaler: BILINEAR scaler, "); |
|
else if (flags&SWS_BICUBIC) |
|
av_log(c, AV_LOG_INFO, "SwScaler: BICUBIC scaler, "); |
|
else if (flags&SWS_X) |
|
av_log(c, AV_LOG_INFO, "SwScaler: Experimental scaler, "); |
|
else if (flags&SWS_POINT) |
|
av_log(c, AV_LOG_INFO, "SwScaler: Nearest Neighbor / POINT scaler, "); |
|
else if (flags&SWS_AREA) |
|
av_log(c, AV_LOG_INFO, "SwScaler: Area Averageing scaler, "); |
|
else if (flags&SWS_BICUBLIN) |
|
av_log(c, AV_LOG_INFO, "SwScaler: luma BICUBIC / chroma BILINEAR scaler, "); |
|
else if (flags&SWS_GAUSS) |
|
av_log(c, AV_LOG_INFO, "SwScaler: Gaussian scaler, "); |
|
else if (flags&SWS_SINC) |
|
av_log(c, AV_LOG_INFO, "SwScaler: Sinc scaler, "); |
|
else if (flags&SWS_LANCZOS) |
|
av_log(c, AV_LOG_INFO, "SwScaler: Lanczos scaler, "); |
|
else if (flags&SWS_SPLINE) |
|
av_log(c, AV_LOG_INFO, "SwScaler: Bicubic spline scaler, "); |
|
else |
|
av_log(c, AV_LOG_INFO, "SwScaler: ehh flags invalid?! "); |
|
|
|
if (dstFormat==PIX_FMT_BGR555 || dstFormat==PIX_FMT_BGR565) |
|
av_log(c, AV_LOG_INFO, "from %s to%s %s ", |
|
sws_format_name(srcFormat), dither, sws_format_name(dstFormat)); |
|
else |
|
av_log(c, AV_LOG_INFO, "from %s to %s ", |
|
sws_format_name(srcFormat), sws_format_name(dstFormat)); |
|
|
|
if (flags & SWS_CPU_CAPS_MMX2) |
|
av_log(c, AV_LOG_INFO, "using MMX2\n"); |
|
else if (flags & SWS_CPU_CAPS_3DNOW) |
|
av_log(c, AV_LOG_INFO, "using 3DNOW\n"); |
|
else if (flags & SWS_CPU_CAPS_MMX) |
|
av_log(c, AV_LOG_INFO, "using MMX\n"); |
|
else if (flags & SWS_CPU_CAPS_ALTIVEC) |
|
av_log(c, AV_LOG_INFO, "using AltiVec\n"); |
|
else |
|
av_log(c, AV_LOG_INFO, "using C\n"); |
|
} |
|
|
|
if (flags & SWS_PRINT_INFO) |
|
{ |
|
if (flags & SWS_CPU_CAPS_MMX) |
|
{ |
|
if (c->canMMX2BeUsed && (flags&SWS_FAST_BILINEAR)) |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using FAST_BILINEAR MMX2 scaler for horizontal scaling\n"); |
|
else |
|
{ |
|
if (c->hLumFilterSize==4) |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using 4-tap MMX scaler for horizontal luminance scaling\n"); |
|
else if (c->hLumFilterSize==8) |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using 8-tap MMX scaler for horizontal luminance scaling\n"); |
|
else |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using n-tap MMX scaler for horizontal luminance scaling\n"); |
|
|
|
if (c->hChrFilterSize==4) |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using 4-tap MMX scaler for horizontal chrominance scaling\n"); |
|
else if (c->hChrFilterSize==8) |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using 8-tap MMX scaler for horizontal chrominance scaling\n"); |
|
else |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using n-tap MMX scaler for horizontal chrominance scaling\n"); |
|
} |
|
} |
|
else |
|
{ |
|
#if defined(ARCH_X86) |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using X86-Asm scaler for horizontal scaling\n"); |
|
#else |
|
if (flags & SWS_FAST_BILINEAR) |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using FAST_BILINEAR C scaler for horizontal scaling\n"); |
|
else |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using C scaler for horizontal scaling\n"); |
|
#endif |
|
} |
|
if (isPlanarYUV(dstFormat)) |
|
{ |
|
if (c->vLumFilterSize==1) |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using 1-tap %s \"scaler\" for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
|
else |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using n-tap %s scaler for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
|
} |
|
else |
|
{ |
|
if (c->vLumFilterSize==1 && c->vChrFilterSize==2) |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using 1-tap %s \"scaler\" for vertical luminance scaling (BGR)\n" |
|
"SwScaler: 2-tap scaler for vertical chrominance scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
|
else if (c->vLumFilterSize==2 && c->vChrFilterSize==2) |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using 2-tap linear %s scaler for vertical scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
|
else |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using n-tap %s scaler for vertical scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
|
} |
|
|
|
if (dstFormat==PIX_FMT_BGR24) |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using %s YV12->BGR24 Converter\n", |
|
(flags & SWS_CPU_CAPS_MMX2) ? "MMX2" : ((flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C")); |
|
else if (dstFormat==PIX_FMT_RGB32) |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using %s YV12->BGR32 Converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
|
else if (dstFormat==PIX_FMT_BGR565) |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using %s YV12->BGR16 Converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
|
else if (dstFormat==PIX_FMT_BGR555) |
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: using %s YV12->BGR15 Converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
|
|
|
av_log(c, AV_LOG_VERBOSE, "SwScaler: %dx%d -> %dx%d\n", srcW, srcH, dstW, dstH); |
|
} |
|
if (flags & SWS_PRINT_INFO) |
|
{ |
|
av_log(c, AV_LOG_DEBUG, "SwScaler:Lum srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n", |
|
c->srcW, c->srcH, c->dstW, c->dstH, c->lumXInc, c->lumYInc); |
|
av_log(c, AV_LOG_DEBUG, "SwScaler:Chr srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n", |
|
c->chrSrcW, c->chrSrcH, c->chrDstW, c->chrDstH, c->chrXInc, c->chrYInc); |
|
} |
|
|
|
c->swScale= getSwsFunc(flags); |
|
return c; |
|
} |
|
|
|
/** |
|
* 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, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
|
int i; |
|
uint8_t* src2[4]= {src[0], src[1], src[2]}; |
|
uint32_t pal[256]; |
|
if (c->sliceDir == 0 && srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) { |
|
av_log(c, AV_LOG_ERROR, "swScaler: slices start in the middle!\n"); |
|
return 0; |
|
} |
|
if (c->sliceDir == 0) { |
|
if (srcSliceY == 0) c->sliceDir = 1; else c->sliceDir = -1; |
|
} |
|
|
|
if (c->srcFormat == PIX_FMT_PAL8){ |
|
for (i=0; i<256; i++){ |
|
int p= ((uint32_t*)(src[1]))[i]; |
|
int r= (p>>16)&0xFF; |
|
int g= (p>> 8)&0xFF; |
|
int b= p &0xFF; |
|
int y= av_clip_uint8(((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16 ); |
|
int u= av_clip_uint8(((RU*r + GU*g + BU*b)>>RGB2YUV_SHIFT) + 128); |
|
int v= av_clip_uint8(((RV*r + GV*g + BV*b)>>RGB2YUV_SHIFT) + 128); |
|
pal[i]= y + (u<<8) + (v<<16); |
|
} |
|
src2[1]= pal; |
|
} |
|
|
|
// 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]}; |
|
int dstStride2[4]= {dstStride[0], dstStride[1], dstStride[2]}; |
|
return c->swScale(c, src2, srcStride2, srcSliceY, srcSliceH, dst, dstStride2); |
|
} else { |
|
// slices go from bottom to top => we flip the image internally |
|
uint8_t* dst2[4]= {dst[0] + (c->dstH-1)*dstStride[0], |
|
dst[1] + ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[1], |
|
dst[2] + ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[2]}; |
|
int srcStride2[4]= {-srcStride[0], -srcStride[1], -srcStride[2]}; |
|
int dstStride2[4]= {-dstStride[0], -dstStride[1], -dstStride[2]}; |
|
|
|
src2[0] += (srcSliceH-1)*srcStride[0]; |
|
if (c->srcFormat != PIX_FMT_PAL8) |
|
src2[1] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[1]; |
|
src2[2] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[2]; |
|
|
|
return c->swScale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH, srcSliceH, dst2, dstStride2); |
|
} |
|
} |
|
|
|
/** |
|
* swscale wrapper, so we don't need to export the SwsContext |
|
*/ |
|
int sws_scale_ordered(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
|
return sws_scale(c, src, srcStride, srcSliceY, srcSliceH, dst, dstStride); |
|
} |
|
|
|
SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur, |
|
float lumaSharpen, float chromaSharpen, |
|
float chromaHShift, float chromaVShift, |
|
int verbose) |
|
{ |
|
SwsFilter *filter= av_malloc(sizeof(SwsFilter)); |
|
|
|
if (lumaGBlur!=0.0){ |
|
filter->lumH= sws_getGaussianVec(lumaGBlur, 3.0); |
|
filter->lumV= sws_getGaussianVec(lumaGBlur, 3.0); |
|
}else{ |
|
filter->lumH= sws_getIdentityVec(); |
|
filter->lumV= sws_getIdentityVec(); |
|
} |
|
|
|
if (chromaGBlur!=0.0){ |
|
filter->chrH= sws_getGaussianVec(chromaGBlur, 3.0); |
|
filter->chrV= sws_getGaussianVec(chromaGBlur, 3.0); |
|
}else{ |
|
filter->chrH= sws_getIdentityVec(); |
|
filter->chrV= sws_getIdentityVec(); |
|
} |
|
|
|
if (chromaSharpen!=0.0){ |
|
SwsVector *id= sws_getIdentityVec(); |
|
sws_scaleVec(filter->chrH, -chromaSharpen); |
|
sws_scaleVec(filter->chrV, -chromaSharpen); |
|
sws_addVec(filter->chrH, id); |
|
sws_addVec(filter->chrV, id); |
|
sws_freeVec(id); |
|
} |
|
|
|
if (lumaSharpen!=0.0){ |
|
SwsVector *id= sws_getIdentityVec(); |
|
sws_scaleVec(filter->lumH, -lumaSharpen); |
|
sws_scaleVec(filter->lumV, -lumaSharpen); |
|
sws_addVec(filter->lumH, id); |
|
sws_addVec(filter->lumV, id); |
|
sws_freeVec(id); |
|
} |
|
|
|
if (chromaHShift != 0.0) |
|
sws_shiftVec(filter->chrH, (int)(chromaHShift+0.5)); |
|
|
|
if (chromaVShift != 0.0) |
|
sws_shiftVec(filter->chrV, (int)(chromaVShift+0.5)); |
|
|
|
sws_normalizeVec(filter->chrH, 1.0); |
|
sws_normalizeVec(filter->chrV, 1.0); |
|
sws_normalizeVec(filter->lumH, 1.0); |
|
sws_normalizeVec(filter->lumV, 1.0); |
|
|
|
if (verbose) sws_printVec(filter->chrH); |
|
if (verbose) sws_printVec(filter->lumH); |
|
|
|
return filter; |
|
} |
|
|
|
/** |
|
* returns a normalized gaussian curve used to filter stuff |
|
* quality=3 is high quality, lowwer is lowwer quality |
|
*/ |
|
SwsVector *sws_getGaussianVec(double variance, double quality){ |
|
const int length= (int)(variance*quality + 0.5) | 1; |
|
int i; |
|
double *coeff= av_malloc(length*sizeof(double)); |
|
double middle= (length-1)*0.5; |
|
SwsVector *vec= av_malloc(sizeof(SwsVector)); |
|
|
|
vec->coeff= coeff; |
|
vec->length= length; |
|
|
|
for (i=0; i<length; i++) |
|
{ |
|
double dist= i-middle; |
|
coeff[i]= exp(-dist*dist/(2*variance*variance)) / sqrt(2*variance*PI); |
|
} |
|
|
|
sws_normalizeVec(vec, 1.0); |
|
|
|
return vec; |
|
} |
|
|
|
SwsVector *sws_getConstVec(double c, int length){ |
|
int i; |
|
double *coeff= av_malloc(length*sizeof(double)); |
|
SwsVector *vec= av_malloc(sizeof(SwsVector)); |
|
|
|
vec->coeff= coeff; |
|
vec->length= length; |
|
|
|
for (i=0; i<length; i++) |
|
coeff[i]= c; |
|
|
|
return vec; |
|
} |
|
|
|
|
|
SwsVector *sws_getIdentityVec(void){ |
|
return sws_getConstVec(1.0, 1); |
|
} |
|
|
|
double sws_dcVec(SwsVector *a){ |
|
int i; |
|
double sum=0; |
|
|
|
for (i=0; i<a->length; i++) |
|
sum+= a->coeff[i]; |
|
|
|
return sum; |
|
} |
|
|
|
void sws_scaleVec(SwsVector *a, double scalar){ |
|
int i; |
|
|
|
for (i=0; i<a->length; i++) |
|
a->coeff[i]*= scalar; |
|
} |
|
|
|
void sws_normalizeVec(SwsVector *a, double height){ |
|
sws_scaleVec(a, height/sws_dcVec(a)); |
|
} |
|
|
|
static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b){ |
|
int length= a->length + b->length - 1; |
|
double *coeff= av_malloc(length*sizeof(double)); |
|
int i, j; |
|
SwsVector *vec= av_malloc(sizeof(SwsVector)); |
|
|
|
vec->coeff= coeff; |
|
vec->length= length; |
|
|
|
for (i=0; i<length; i++) coeff[i]= 0.0; |
|
|
|
for (i=0; i<a->length; i++) |
|
{ |
|
for (j=0; j<b->length; j++) |
|
{ |
|
coeff[i+j]+= a->coeff[i]*b->coeff[j]; |
|
} |
|
} |
|
|
|
return vec; |
|
} |
|
|
|
static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b){ |
|
int length= FFMAX(a->length, b->length); |
|
double *coeff= av_malloc(length*sizeof(double)); |
|
int i; |
|
SwsVector *vec= av_malloc(sizeof(SwsVector)); |
|
|
|
vec->coeff= coeff; |
|
vec->length= length; |
|
|
|
for (i=0; i<length; i++) coeff[i]= 0.0; |
|
|
|
for (i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i]; |
|
for (i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]+= b->coeff[i]; |
|
|
|
return vec; |
|
} |
|
|
|
static SwsVector *sws_diffVec(SwsVector *a, SwsVector *b){ |
|
int length= FFMAX(a->length, b->length); |
|
double *coeff= av_malloc(length*sizeof(double)); |
|
int i; |
|
SwsVector *vec= av_malloc(sizeof(SwsVector)); |
|
|
|
vec->coeff= coeff; |
|
vec->length= length; |
|
|
|
for (i=0; i<length; i++) coeff[i]= 0.0; |
|
|
|
for (i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i]; |
|
for (i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]-= b->coeff[i]; |
|
|
|
return vec; |
|
} |
|
|
|
/* shift left / or right if "shift" is negative */ |
|
static SwsVector *sws_getShiftedVec(SwsVector *a, int shift){ |
|
int length= a->length + FFABS(shift)*2; |
|
double *coeff= av_malloc(length*sizeof(double)); |
|
int i; |
|
SwsVector *vec= av_malloc(sizeof(SwsVector)); |
|
|
|
vec->coeff= coeff; |
|
vec->length= length; |
|
|
|
for (i=0; i<length; i++) coeff[i]= 0.0; |
|
|
|
for (i=0; i<a->length; i++) |
|
{ |
|
coeff[i + (length-1)/2 - (a->length-1)/2 - shift]= a->coeff[i]; |
|
} |
|
|
|
return vec; |
|
} |
|
|
|
void sws_shiftVec(SwsVector *a, int shift){ |
|
SwsVector *shifted= sws_getShiftedVec(a, shift); |
|
av_free(a->coeff); |
|
a->coeff= shifted->coeff; |
|
a->length= shifted->length; |
|
av_free(shifted); |
|
} |
|
|
|
void sws_addVec(SwsVector *a, SwsVector *b){ |
|
SwsVector *sum= sws_sumVec(a, b); |
|
av_free(a->coeff); |
|
a->coeff= sum->coeff; |
|
a->length= sum->length; |
|
av_free(sum); |
|
} |
|
|
|
void sws_subVec(SwsVector *a, SwsVector *b){ |
|
SwsVector *diff= sws_diffVec(a, b); |
|
av_free(a->coeff); |
|
a->coeff= diff->coeff; |
|
a->length= diff->length; |
|
av_free(diff); |
|
} |
|
|
|
void sws_convVec(SwsVector *a, SwsVector *b){ |
|
SwsVector *conv= sws_getConvVec(a, b); |
|
av_free(a->coeff); |
|
a->coeff= conv->coeff; |
|
a->length= conv->length; |
|
av_free(conv); |
|
} |
|
|
|
SwsVector *sws_cloneVec(SwsVector *a){ |
|
double *coeff= av_malloc(a->length*sizeof(double)); |
|
int i; |
|
SwsVector *vec= av_malloc(sizeof(SwsVector)); |
|
|
|
vec->coeff= coeff; |
|
vec->length= a->length; |
|
|
|
for (i=0; i<a->length; i++) coeff[i]= a->coeff[i]; |
|
|
|
return vec; |
|
} |
|
|
|
void sws_printVec(SwsVector *a){ |
|
int i; |
|
double max=0; |
|
double min=0; |
|
double range; |
|
|
|
for (i=0; i<a->length; i++) |
|
if (a->coeff[i]>max) max= a->coeff[i]; |
|
|
|
for (i=0; i<a->length; i++) |
|
if (a->coeff[i]<min) min= a->coeff[i]; |
|
|
|
range= max - min; |
|
|
|
for (i=0; i<a->length; i++) |
|
{ |
|
int x= (int)((a->coeff[i]-min)*60.0/range +0.5); |
|
av_log(NULL, AV_LOG_DEBUG, "%1.3f ", a->coeff[i]); |
|
for (;x>0; x--) av_log(NULL, AV_LOG_DEBUG, " "); |
|
av_log(NULL, AV_LOG_DEBUG, "|\n"); |
|
} |
|
} |
|
|
|
void sws_freeVec(SwsVector *a){ |
|
if (!a) return; |
|
av_free(a->coeff); |
|
a->coeff=NULL; |
|
a->length=0; |
|
av_free(a); |
|
} |
|
|
|
void sws_freeFilter(SwsFilter *filter){ |
|
if (!filter) return; |
|
|
|
if (filter->lumH) sws_freeVec(filter->lumH); |
|
if (filter->lumV) sws_freeVec(filter->lumV); |
|
if (filter->chrH) sws_freeVec(filter->chrH); |
|
if (filter->chrV) sws_freeVec(filter->chrV); |
|
av_free(filter); |
|
} |
|
|
|
|
|
void sws_freeContext(SwsContext *c){ |
|
int i; |
|
if (!c) return; |
|
|
|
if (c->lumPixBuf) |
|
{ |
|
for (i=0; i<c->vLumBufSize; i++) |
|
{ |
|
av_free(c->lumPixBuf[i]); |
|
c->lumPixBuf[i]=NULL; |
|
} |
|
av_free(c->lumPixBuf); |
|
c->lumPixBuf=NULL; |
|
} |
|
|
|
if (c->chrPixBuf) |
|
{ |
|
for (i=0; i<c->vChrBufSize; i++) |
|
{ |
|
av_free(c->chrPixBuf[i]); |
|
c->chrPixBuf[i]=NULL; |
|
} |
|
av_free(c->chrPixBuf); |
|
c->chrPixBuf=NULL; |
|
} |
|
|
|
av_free(c->vLumFilter); |
|
c->vLumFilter = NULL; |
|
av_free(c->vChrFilter); |
|
c->vChrFilter = NULL; |
|
av_free(c->hLumFilter); |
|
c->hLumFilter = NULL; |
|
av_free(c->hChrFilter); |
|
c->hChrFilter = NULL; |
|
#ifdef HAVE_ALTIVEC |
|
av_free(c->vYCoeffsBank); |
|
c->vYCoeffsBank = NULL; |
|
av_free(c->vCCoeffsBank); |
|
c->vCCoeffsBank = NULL; |
|
#endif |
|
|
|
av_free(c->vLumFilterPos); |
|
c->vLumFilterPos = NULL; |
|
av_free(c->vChrFilterPos); |
|
c->vChrFilterPos = NULL; |
|
av_free(c->hLumFilterPos); |
|
c->hLumFilterPos = NULL; |
|
av_free(c->hChrFilterPos); |
|
c->hChrFilterPos = NULL; |
|
|
|
#if defined(ARCH_X86) && defined(CONFIG_GPL) |
|
#ifdef MAP_ANONYMOUS |
|
if (c->funnyYCode) munmap(c->funnyYCode, MAX_FUNNY_CODE_SIZE); |
|
if (c->funnyUVCode) munmap(c->funnyUVCode, MAX_FUNNY_CODE_SIZE); |
|
#else |
|
av_free(c->funnyYCode); |
|
av_free(c->funnyUVCode); |
|
#endif |
|
c->funnyYCode=NULL; |
|
c->funnyUVCode=NULL; |
|
#endif /* defined(ARCH_X86) */ |
|
|
|
av_free(c->lumMmx2Filter); |
|
c->lumMmx2Filter=NULL; |
|
av_free(c->chrMmx2Filter); |
|
c->chrMmx2Filter=NULL; |
|
av_free(c->lumMmx2FilterPos); |
|
c->lumMmx2FilterPos=NULL; |
|
av_free(c->chrMmx2FilterPos); |
|
c->chrMmx2FilterPos=NULL; |
|
av_free(c->yuvTable); |
|
c->yuvTable=NULL; |
|
|
|
av_free(c); |
|
} |
|
|
|
/** |
|
* Checks if context is valid or reallocs a new one instead. |
|
* If context is NULL, just calls sws_getContext() to get a new one. |
|
* Otherwise, checks if the parameters are the same already saved in context. |
|
* If that is the case, returns the current context. |
|
* Otherwise, frees context and gets a new one. |
|
* |
|
* Be warned that srcFilter, dstFilter are not checked, they are |
|
* asumed to remain valid. |
|
*/ |
|
struct SwsContext *sws_getCachedContext(struct SwsContext *context, |
|
int srcW, int srcH, int srcFormat, |
|
int dstW, int dstH, int dstFormat, int flags, |
|
SwsFilter *srcFilter, SwsFilter *dstFilter, double *param) |
|
{ |
|
static const double default_param[2] = {SWS_PARAM_DEFAULT, SWS_PARAM_DEFAULT}; |
|
|
|
if (!param) |
|
param = default_param; |
|
|
|
if (context) { |
|
if (context->srcW != srcW || context->srcH != srcH || |
|
context->srcFormat != srcFormat || |
|
context->dstW != dstW || context->dstH != dstH || |
|
context->dstFormat != dstFormat || context->flags != flags || |
|
context->param[0] != param[0] || context->param[1] != param[1]) |
|
{ |
|
sws_freeContext(context); |
|
context = NULL; |
|
} |
|
} |
|
if (!context) { |
|
return sws_getContext(srcW, srcH, srcFormat, |
|
dstW, dstH, dstFormat, flags, |
|
srcFilter, dstFilter, param); |
|
} |
|
return context; |
|
} |
|
|
|
|