mirror of
https://github.com/mpv-player/mpv
synced 2024-12-15 03:15:52 +00:00
0e7b470b4e
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9417 b3059339-0415-0410-9bf9-f77b7e298cf2
2720 lines
77 KiB
C
2720 lines
77 KiB
C
/*
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Copyright (C) 2001-2002 Michael Niedermayer <michaelni@gmx.at>
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This program 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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This program 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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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
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supported output formats: YV12, I420/IYUV, YUY2, {BGR,RGB}{1,4,8,15,16,24,32}, Y8/Y800, YVU9/IF09
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{BGR,RGB}{1,4,8,15,16} support dithering
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unscaled special converters (YV12=I420=IYUV, Y800=Y8)
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YV12 -> {BGR,RGB}{1,4,8,15,16,24,32}
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x -> x
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YUV9 -> YV12
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YUV9/YV12 -> Y800
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Y800 -> YUV9/YV12
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BGR24 -> BGR32 & RGB24 -> RGB32
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BGR32 -> BGR24 & RGB32 -> RGB24
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BGR15 -> BGR16
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*/
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/*
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tested special converters (most are tested actually but i 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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untested special converters
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YV12/I420 -> BGR15/BGR24/BGR32 (its the yuv2rgb stuff, so it should be ok)
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YV12/I420 -> YV12/I420
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YUY2/BGR15/BGR24/BGR32/RGB24/RGB32 -> same format
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BGR24 -> BGR32 & RGB24 -> RGB32
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BGR32 -> BGR24 & RGB32 -> RGB24
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BGR24 -> YV12
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*/
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#include <inttypes.h>
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#include <string.h>
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#include <math.h>
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#include <stdio.h>
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#include "../config.h"
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#include "../mangle.h"
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#include <assert.h>
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#ifdef HAVE_MALLOC_H
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#include <malloc.h>
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#else
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#include <stdlib.h>
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#endif
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#include "swscale.h"
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#include "../cpudetect.h"
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#include "../bswap.h"
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#include "../libvo/img_format.h"
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#include "rgb2rgb.h"
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#include "../libvo/fastmemcpy.h"
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#include "../mp_msg.h"
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#define MSG_WARN(args...) mp_msg(MSGT_SWS,MSGL_WARN, ##args )
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#define MSG_FATAL(args...) mp_msg(MSGT_SWS,MSGL_FATAL, ##args )
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#define MSG_ERR(args...) mp_msg(MSGT_SWS,MSGL_ERR, ##args )
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#define MSG_V(args...) mp_msg(MSGT_SWS,MSGL_V, ##args )
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#define MSG_DBG2(args...) mp_msg(MSGT_SWS,MSGL_DBG2, ##args )
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#define MSG_INFO(args...) mp_msg(MSGT_SWS,MSGL_INFO, ##args )
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#undef MOVNTQ
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#undef PAVGB
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//#undef HAVE_MMX2
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//#define HAVE_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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#define FAST_BGR2YV12 // use 7 bit coeffs instead of 15bit
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#define RET 0xC3 //near return opcode for X86
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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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//FIXME replace this with something faster
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#define isPlanarYUV(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_I420 || (x)==IMGFMT_YVU9 \
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|| (x)==IMGFMT_444P || (x)==IMGFMT_422P || (x)==IMGFMT_411P)
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#define isYUV(x) ((x)==IMGFMT_UYVY || (x)==IMGFMT_YUY2 || isPlanarYUV(x))
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#define isGray(x) ((x)==IMGFMT_Y800)
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#define isRGB(x) (((x)&IMGFMT_RGB_MASK)==IMGFMT_RGB)
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#define isBGR(x) (((x)&IMGFMT_BGR_MASK)==IMGFMT_BGR)
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#define isSupportedIn(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_I420 || (x)==IMGFMT_YUY2 || (x)==IMGFMT_UYVY\
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|| (x)==IMGFMT_BGR32|| (x)==IMGFMT_BGR24|| (x)==IMGFMT_BGR16|| (x)==IMGFMT_BGR15\
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|| (x)==IMGFMT_RGB32|| (x)==IMGFMT_RGB24\
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|| (x)==IMGFMT_Y800 || (x)==IMGFMT_YVU9\
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|| (x)==IMGFMT_444P || (x)==IMGFMT_422P || (x)==IMGFMT_411P)
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#define isSupportedOut(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_I420 || (x)==IMGFMT_YUY2\
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|| (x)==IMGFMT_444P || (x)==IMGFMT_422P || (x)==IMGFMT_411P\
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|| isRGB(x) || isBGR(x)\
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|| (x)==IMGFMT_Y800 || (x)==IMGFMT_YVU9)
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#define isPacked(x) ((x)==IMGFMT_YUY2 || (x)==IMGFMT_UYVY ||isRGB(x) || isBGR(x))
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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 int verbose; // defined in mplayer.c
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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 missalignment 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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deglobalize yuv2rgb*.c
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*/
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#define ABS(a) ((a) > 0 ? (a) : (-(a)))
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#define MIN(a,b) ((a) > (b) ? (b) : (a))
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#define MAX(a,b) ((a) < (b) ? (b) : (a))
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#ifdef ARCH_X86
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#define CAN_COMPILE_X86_ASM
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#endif
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#ifdef CAN_COMPILE_X86_ASM
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static uint64_t __attribute__((aligned(8))) yCoeff= 0x2568256825682568LL;
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static uint64_t __attribute__((aligned(8))) vrCoeff= 0x3343334333433343LL;
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static uint64_t __attribute__((aligned(8))) ubCoeff= 0x40cf40cf40cf40cfLL;
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static uint64_t __attribute__((aligned(8))) vgCoeff= 0xE5E2E5E2E5E2E5E2LL;
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static uint64_t __attribute__((aligned(8))) ugCoeff= 0xF36EF36EF36EF36ELL;
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static uint64_t __attribute__((aligned(8))) bF8= 0xF8F8F8F8F8F8F8F8LL;
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static uint64_t __attribute__((aligned(8))) bFC= 0xFCFCFCFCFCFCFCFCLL;
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static uint64_t __attribute__((aligned(8))) w400= 0x0400040004000400LL;
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static uint64_t __attribute__((aligned(8))) w80= 0x0080008000800080LL;
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static uint64_t __attribute__((aligned(8))) w10= 0x0010001000100010LL;
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static uint64_t __attribute__((aligned(8))) w02= 0x0002000200020002LL;
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static uint64_t __attribute__((aligned(8))) bm00001111=0x00000000FFFFFFFFLL;
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static uint64_t __attribute__((aligned(8))) bm00000111=0x0000000000FFFFFFLL;
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static uint64_t __attribute__((aligned(8))) bm11111000=0xFFFFFFFFFF000000LL;
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static uint64_t __attribute__((aligned(8))) bm01010101=0x00FF00FF00FF00FFLL;
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static volatile uint64_t __attribute__((aligned(8))) b5Dither;
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static volatile uint64_t __attribute__((aligned(8))) g5Dither;
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static volatile uint64_t __attribute__((aligned(8))) g6Dither;
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static volatile uint64_t __attribute__((aligned(8))) r5Dither;
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static uint64_t __attribute__((aligned(8))) dither4[2]={
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0x0103010301030103LL,
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0x0200020002000200LL,};
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static uint64_t __attribute__((aligned(8))) dither8[2]={
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0x0602060206020602LL,
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0x0004000400040004LL,};
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static uint64_t __attribute__((aligned(8))) b16Mask= 0x001F001F001F001FLL;
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static uint64_t __attribute__((aligned(8))) g16Mask= 0x07E007E007E007E0LL;
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static uint64_t __attribute__((aligned(8))) r16Mask= 0xF800F800F800F800LL;
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static uint64_t __attribute__((aligned(8))) b15Mask= 0x001F001F001F001FLL;
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static uint64_t __attribute__((aligned(8))) g15Mask= 0x03E003E003E003E0LL;
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static uint64_t __attribute__((aligned(8))) r15Mask= 0x7C007C007C007C00LL;
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static uint64_t __attribute__((aligned(8))) M24A= 0x00FF0000FF0000FFLL;
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static uint64_t __attribute__((aligned(8))) M24B= 0xFF0000FF0000FF00LL;
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static uint64_t __attribute__((aligned(8))) M24C= 0x0000FF0000FF0000LL;
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#ifdef FAST_BGR2YV12
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static const uint64_t bgr2YCoeff __attribute__((aligned(8))) = 0x000000210041000DULL;
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static const uint64_t bgr2UCoeff __attribute__((aligned(8))) = 0x0000FFEEFFDC0038ULL;
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static const uint64_t bgr2VCoeff __attribute__((aligned(8))) = 0x00000038FFD2FFF8ULL;
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#else
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static const uint64_t bgr2YCoeff __attribute__((aligned(8))) = 0x000020E540830C8BULL;
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static const uint64_t bgr2UCoeff __attribute__((aligned(8))) = 0x0000ED0FDAC23831ULL;
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static const uint64_t bgr2VCoeff __attribute__((aligned(8))) = 0x00003831D0E6F6EAULL;
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#endif
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static const uint64_t bgr2YOffset __attribute__((aligned(8))) = 0x1010101010101010ULL;
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static const uint64_t bgr2UVOffset __attribute__((aligned(8)))= 0x8080808080808080ULL;
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static const uint64_t w1111 __attribute__((aligned(8))) = 0x0001000100010001ULL;
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#endif
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// clipping helper table for C implementations:
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static unsigned char clip_table[768];
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//global sws_flags from the command line
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int sws_flags=2;
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//global srcFilter
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SwsFilter src_filter= {NULL, NULL, NULL, NULL};
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float sws_lum_gblur= 0.0;
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float sws_chr_gblur= 0.0;
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int sws_chr_vshift= 0;
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int sws_chr_hshift= 0;
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float sws_chr_sharpen= 0.0;
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float sws_lum_sharpen= 0.0;
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/* cpuCaps combined from cpudetect and whats actually compiled in
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(if there is no support for something compiled in it wont appear here) */
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static CpuCaps cpuCaps;
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void (*swScale)(SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
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int srcSliceH, uint8_t* dst[], int dstStride[])=NULL;
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static SwsVector *getConvVec(SwsVector *a, SwsVector *b);
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static inline void orderYUV(int format, uint8_t * sortedP[], int sortedStride[], uint8_t * p[], int stride[]);
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void *yuv2rgb_c_init (unsigned bpp, int mode, void *table_rV[256], void *table_gU[256], int table_gV[256], void *table_bU[256]);
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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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#ifdef CAN_COMPILE_X86_ASM
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void in_asm_used_var_warning_killer()
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{
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volatile int i= yCoeff+vrCoeff+ubCoeff+vgCoeff+ugCoeff+bF8+bFC+w400+w80+w10+
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bm00001111+bm00000111+bm11111000+b16Mask+g16Mask+r16Mask+b15Mask+g15Mask+r15Mask+
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M24A+M24B+M24C+w02 + b5Dither+g5Dither+r5Dither+g6Dither+dither4[0]+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 int testFormat[]={
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IMGFMT_YVU9,
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IMGFMT_YV12,
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//IMGFMT_IYUV,
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IMGFMT_I420,
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IMGFMT_BGR15,
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IMGFMT_BGR16,
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IMGFMT_BGR24,
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IMGFMT_BGR32,
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IMGFMT_RGB24,
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IMGFMT_RGB32,
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//IMGFMT_Y8,
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IMGFMT_Y800,
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//IMGFMT_YUY2,
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0
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};
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static uint64_t getSSD(uint8_t *src1, uint8_t *src2, int stride1, int stride2, int w, int h){
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int x,y;
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uint64_t ssd=0;
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for(y=0; y<h; y++){
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for(x=0; x<w; x++){
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int d= src1[x + y*stride1] - src2[x + y*stride2];
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ssd+= d*d;
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}
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}
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return ssd;
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}
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// test by ref -> src -> dst -> out & compare out against ref
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// ref & out are YV12
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static void doTest(uint8_t *ref[3], int refStride[3], int w, int h, int srcFormat, int dstFormat,
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int srcW, int srcH, int dstW, int dstH, int flags){
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uint8_t *src[3];
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uint8_t *dst[3];
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uint8_t *out[3];
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int srcStride[3], dstStride[3];
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int i;
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uint64_t ssdY, ssdU, ssdV;
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SwsContext *srcContext, *dstContext, *outContext;
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for(i=0; i<3; i++){
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// avoid stride % bpp != 0
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if(srcFormat==IMGFMT_RGB24 || srcFormat==IMGFMT_BGR24)
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srcStride[i]= srcW*3;
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else
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srcStride[i]= srcW*4;
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if(dstFormat==IMGFMT_RGB24 || dstFormat==IMGFMT_BGR24)
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dstStride[i]= dstW*3;
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else
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dstStride[i]= dstW*4;
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src[i]= malloc(srcStride[i]*srcH);
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dst[i]= malloc(dstStride[i]*dstH);
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out[i]= malloc(refStride[i]*h);
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}
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srcContext= getSwsContext(w, h, IMGFMT_YV12, srcW, srcH, srcFormat, flags, NULL, NULL);
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dstContext= getSwsContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL);
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outContext= getSwsContext(dstW, dstH, dstFormat, w, h, IMGFMT_YV12, flags, NULL, NULL);
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if(srcContext==NULL ||dstContext==NULL ||outContext==NULL){
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printf("Failed allocating swsContext\n");
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goto end;
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}
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// printf("test %X %X %X -> %X %X %X\n", (int)ref[0], (int)ref[1], (int)ref[2],
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// (int)src[0], (int)src[1], (int)src[2]);
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srcContext->swScale(srcContext, ref, refStride, 0, h , src, srcStride);
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dstContext->swScale(dstContext, src, srcStride, 0, srcH, dst, dstStride);
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outContext->swScale(outContext, dst, dstStride, 0, dstH, out, refStride);
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ssdY= getSSD(ref[0], out[0], refStride[0], refStride[0], w, h);
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ssdU= getSSD(ref[1], out[1], refStride[1], refStride[1], (w+1)>>1, (h+1)>>1);
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ssdV= getSSD(ref[2], out[2], refStride[2], refStride[2], (w+1)>>1, (h+1)>>1);
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if(isGray(srcFormat) || isGray(dstFormat)) ssdU=ssdV=0; //FIXME check that output is really gray
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ssdY/= w*h;
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ssdU/= w*h/4;
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ssdV/= w*h/4;
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if(ssdY>100 || ssdU>50 || ssdV>50){
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printf(" %s %dx%d -> %s %4dx%4d flags=%2d SSD=%5lld,%5lld,%5lld\n",
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vo_format_name(srcFormat), srcW, srcH,
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vo_format_name(dstFormat), dstW, dstH,
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flags,
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ssdY, ssdU, ssdV);
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}
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end:
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freeSwsContext(srcContext);
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freeSwsContext(dstContext);
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freeSwsContext(outContext);
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for(i=0; i<3; i++){
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free(src[i]);
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free(dst[i]);
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free(out[i]);
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}
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}
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static void selfTest(uint8_t *src[3], int stride[3], int w, int h){
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int srcFormat, dstFormat, srcFormatIndex, dstFormatIndex;
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int srcW, srcH, dstW, dstH;
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int flags;
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for(srcFormatIndex=0; ;srcFormatIndex++){
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srcFormat= testFormat[srcFormatIndex];
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if(!srcFormat) break;
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for(dstFormatIndex=0; ;dstFormatIndex++){
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dstFormat= testFormat[dstFormatIndex];
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if(!dstFormat) break;
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if(!isSupportedOut(dstFormat)) continue;
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printf("%s -> %s\n",
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vo_format_name(srcFormat),
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vo_format_name(dstFormat));
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srcW= w+w/3;
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srcH= h+h/3;
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for(dstW=w; dstW<w*2; dstW+= dstW/3){
|
|
for(dstH=h; dstH<h*2; dstH+= dstH/3){
|
|
for(flags=1; flags<33; flags*=2)
|
|
doTest(src, stride, w, h, srcFormat, dstFormat,
|
|
srcW, srcH, dstW, dstH, flags);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline void yuv2yuvXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
|
|
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
|
|
uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW)
|
|
{
|
|
//FIXME Optimize (just quickly writen not opti..)
|
|
int i;
|
|
for(i=0; i<dstW; i++)
|
|
{
|
|
int val=0;
|
|
int j;
|
|
for(j=0; j<lumFilterSize; j++)
|
|
val += lumSrc[j][i] * lumFilter[j];
|
|
|
|
dest[i]= MIN(MAX(val>>19, 0), 255);
|
|
}
|
|
|
|
if(uDest != NULL)
|
|
for(i=0; i<chrDstW; i++)
|
|
{
|
|
int u=0;
|
|
int v=0;
|
|
int j;
|
|
for(j=0; j<chrFilterSize; j++)
|
|
{
|
|
u += chrSrc[j][i] * chrFilter[j];
|
|
v += chrSrc[j][i + 2048] * chrFilter[j];
|
|
}
|
|
|
|
uDest[i]= MIN(MAX(u>>19, 0), 255);
|
|
vDest[i]= MIN(MAX(v>>19, 0), 255);
|
|
}
|
|
}
|
|
|
|
|
|
#define YSCALE_YUV_2_PACKEDX_C(type) \
|
|
for(i=0; i<(dstW>>1); i++){\
|
|
int j;\
|
|
int Y1=0;\
|
|
int Y2=0;\
|
|
int U=0;\
|
|
int V=0;\
|
|
type *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 = c->table_rV[V];\
|
|
g = c->table_gU[U] + c->table_gV[V];\
|
|
b = 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 = c->table_rV[V];\
|
|
g = c->table_gU[U] + c->table_gV[V];\
|
|
b = 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 = c->table_rV[V];\
|
|
g = c->table_gU[U] + c->table_gV[V];\
|
|
b = 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 = c->table_rV[V];\
|
|
g = c->table_gU[U] + c->table_gV[V];\
|
|
b = c->table_bU[U];\
|
|
|
|
#define YSCALE_YUV_2_ANYRGB_C(func, func2)\
|
|
switch(c->dstFormat)\
|
|
{\
|
|
case IMGFMT_BGR32:\
|
|
case IMGFMT_RGB32:\
|
|
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 IMGFMT_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];\
|
|
((uint8_t*)dest)+=6;\
|
|
}\
|
|
break;\
|
|
case IMGFMT_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];\
|
|
((uint8_t*)dest)+=6;\
|
|
}\
|
|
break;\
|
|
case IMGFMT_RGB16:\
|
|
case IMGFMT_BGR16:\
|
|
{\
|
|
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 IMGFMT_RGB15:\
|
|
case IMGFMT_BGR15:\
|
|
{\
|
|
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 IMGFMT_RGB8:\
|
|
case IMGFMT_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 IMGFMT_RGB4:\
|
|
case IMGFMT_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 IMGFMT_RG4B:\
|
|
case IMGFMT_BG4B:\
|
|
{\
|
|
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 IMGFMT_RGB1:\
|
|
case IMGFMT_BGR1:\
|
|
{\
|
|
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;\
|
|
((uint8_t*)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+= ABS(last_new[y][i] - new);\
|
|
error_in3+= ABS(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 IMGFMT_YUY2:\
|
|
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;\
|
|
}\
|
|
|
|
|
|
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 IMGFMT_RGB32:
|
|
case IMGFMT_BGR32:
|
|
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 IMGFMT_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];
|
|
((uint8_t*)dest)+=6;
|
|
}
|
|
break;
|
|
case IMGFMT_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];
|
|
((uint8_t*)dest)+=6;
|
|
}
|
|
break;
|
|
case IMGFMT_RGB16:
|
|
case IMGFMT_BGR16:
|
|
{
|
|
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 IMGFMT_RGB15:
|
|
case IMGFMT_BGR15:
|
|
{
|
|
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 IMGFMT_RGB8:
|
|
case IMGFMT_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 IMGFMT_RGB4:
|
|
case IMGFMT_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 IMGFMT_RG4B:
|
|
case IMGFMT_BG4B:
|
|
{
|
|
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 IMGFMT_RGB1:
|
|
case IMGFMT_BGR1:
|
|
{
|
|
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=0;
|
|
int Y2=0;
|
|
|
|
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;
|
|
((uint8_t*)dest)++;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case IMGFMT_YUY2:
|
|
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;
|
|
}
|
|
}
|
|
|
|
|
|
//Note: we have C, X86, MMX, MMX2, 3DNOW version therse no 3DNOW+MMX2 one
|
|
//Plain C versions
|
|
#if !defined (HAVE_MMX) || defined (RUNTIME_CPUDETECT)
|
|
#define COMPILE_C
|
|
#endif
|
|
|
|
#ifdef CAN_COMPILE_X86_ASM
|
|
|
|
#if (defined (HAVE_MMX) && !defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)
|
|
#define COMPILE_MMX
|
|
#endif
|
|
|
|
#if defined (HAVE_MMX2) || defined (RUNTIME_CPUDETECT)
|
|
#define COMPILE_MMX2
|
|
#endif
|
|
|
|
#if (defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)
|
|
#define COMPILE_3DNOW
|
|
#endif
|
|
#endif //CAN_COMPILE_X86_ASM
|
|
|
|
#undef HAVE_MMX
|
|
#undef HAVE_MMX2
|
|
#undef HAVE_3DNOW
|
|
|
|
#ifdef COMPILE_C
|
|
#undef HAVE_MMX
|
|
#undef HAVE_MMX2
|
|
#undef HAVE_3DNOW
|
|
#define RENAME(a) a ## _C
|
|
#include "swscale_template.c"
|
|
#endif
|
|
|
|
#ifdef CAN_COMPILE_X86_ASM
|
|
|
|
//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 //CAN_COMPILE_X86_ASM
|
|
|
|
// minor note: the HAVE_xyz is messed up after that line so dont use it
|
|
|
|
|
|
// old global scaler, dont use for new code
|
|
// will use sws_flags from the command line
|
|
void SwScale_YV12slice(unsigned char* src[], int srcStride[], int srcSliceY ,
|
|
int srcSliceH, uint8_t* dst[], int dstStride, int dstbpp,
|
|
int srcW, int srcH, int dstW, int dstH){
|
|
|
|
static SwsContext *context=NULL;
|
|
int dstFormat;
|
|
int dstStride3[3]= {dstStride, dstStride>>1, dstStride>>1};
|
|
|
|
switch(dstbpp)
|
|
{
|
|
case 8 : dstFormat= IMGFMT_Y8; break;
|
|
case 12: dstFormat= IMGFMT_YV12; break;
|
|
case 15: dstFormat= IMGFMT_BGR15; break;
|
|
case 16: dstFormat= IMGFMT_BGR16; break;
|
|
case 24: dstFormat= IMGFMT_BGR24; break;
|
|
case 32: dstFormat= IMGFMT_BGR32; break;
|
|
default: return;
|
|
}
|
|
|
|
if(!context) context=getSwsContextFromCmdLine(srcW, srcH, IMGFMT_YV12, dstW, dstH, dstFormat);
|
|
|
|
context->swScale(context, src, srcStride, srcSliceY, srcSliceH, dst, dstStride3);
|
|
}
|
|
|
|
void swsGetFlagsAndFilterFromCmdLine(int *flags, SwsFilter **srcFilterParam, SwsFilter **dstFilterParam)
|
|
{
|
|
static int firstTime=1;
|
|
*flags=0;
|
|
|
|
#ifdef ARCH_X86
|
|
if(gCpuCaps.hasMMX)
|
|
asm volatile("emms\n\t"::: "memory"); //FIXME this shouldnt be required but it IS (even for non mmx versions)
|
|
#endif
|
|
if(firstTime)
|
|
{
|
|
firstTime=0;
|
|
*flags= SWS_PRINT_INFO;
|
|
}
|
|
else if(verbose>1) *flags= SWS_PRINT_INFO;
|
|
|
|
if(src_filter.lumH) freeVec(src_filter.lumH);
|
|
if(src_filter.lumV) freeVec(src_filter.lumV);
|
|
if(src_filter.chrH) freeVec(src_filter.chrH);
|
|
if(src_filter.chrV) freeVec(src_filter.chrV);
|
|
|
|
if(sws_lum_gblur!=0.0){
|
|
src_filter.lumH= getGaussianVec(sws_lum_gblur, 3.0);
|
|
src_filter.lumV= getGaussianVec(sws_lum_gblur, 3.0);
|
|
}else{
|
|
src_filter.lumH= getIdentityVec();
|
|
src_filter.lumV= getIdentityVec();
|
|
}
|
|
|
|
if(sws_chr_gblur!=0.0){
|
|
src_filter.chrH= getGaussianVec(sws_chr_gblur, 3.0);
|
|
src_filter.chrV= getGaussianVec(sws_chr_gblur, 3.0);
|
|
}else{
|
|
src_filter.chrH= getIdentityVec();
|
|
src_filter.chrV= getIdentityVec();
|
|
}
|
|
|
|
if(sws_chr_sharpen!=0.0){
|
|
SwsVector *g= getConstVec(-1.0, 3);
|
|
SwsVector *id= getConstVec(10.0/sws_chr_sharpen, 1);
|
|
g->coeff[1]=2.0;
|
|
addVec(id, g);
|
|
convVec(src_filter.chrH, id);
|
|
convVec(src_filter.chrV, id);
|
|
freeVec(g);
|
|
freeVec(id);
|
|
}
|
|
|
|
if(sws_lum_sharpen!=0.0){
|
|
SwsVector *g= getConstVec(-1.0, 3);
|
|
SwsVector *id= getConstVec(10.0/sws_lum_sharpen, 1);
|
|
g->coeff[1]=2.0;
|
|
addVec(id, g);
|
|
convVec(src_filter.lumH, id);
|
|
convVec(src_filter.lumV, id);
|
|
freeVec(g);
|
|
freeVec(id);
|
|
}
|
|
|
|
if(sws_chr_hshift)
|
|
shiftVec(src_filter.chrH, sws_chr_hshift);
|
|
|
|
if(sws_chr_vshift)
|
|
shiftVec(src_filter.chrV, sws_chr_vshift);
|
|
|
|
normalizeVec(src_filter.chrH, 1.0);
|
|
normalizeVec(src_filter.chrV, 1.0);
|
|
normalizeVec(src_filter.lumH, 1.0);
|
|
normalizeVec(src_filter.lumV, 1.0);
|
|
|
|
if(verbose > 1) printVec(src_filter.chrH);
|
|
if(verbose > 1) printVec(src_filter.lumH);
|
|
|
|
switch(sws_flags)
|
|
{
|
|
case 0: *flags|= SWS_FAST_BILINEAR; break;
|
|
case 1: *flags|= SWS_BILINEAR; break;
|
|
case 2: *flags|= SWS_BICUBIC; break;
|
|
case 3: *flags|= SWS_X; break;
|
|
case 4: *flags|= SWS_POINT; break;
|
|
case 5: *flags|= SWS_AREA; break;
|
|
case 6: *flags|= SWS_BICUBLIN; break;
|
|
case 7: *flags|= SWS_GAUSS; break;
|
|
case 8: *flags|= SWS_SINC; break;
|
|
case 9: *flags|= SWS_LANCZOS; break;
|
|
case 10:*flags|= SWS_SPLINE; break;
|
|
default:*flags|= SWS_BILINEAR; break;
|
|
}
|
|
|
|
*srcFilterParam= &src_filter;
|
|
*dstFilterParam= NULL;
|
|
}
|
|
|
|
// will use sws_flags & src_filter (from cmd line)
|
|
SwsContext *getSwsContextFromCmdLine(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat)
|
|
{
|
|
int flags;
|
|
SwsFilter *dstFilterParam, *srcFilterParam;
|
|
swsGetFlagsAndFilterFromCmdLine(&flags, &srcFilterParam, &dstFilterParam);
|
|
|
|
return getSwsContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, srcFilterParam, dstFilterParam);
|
|
}
|
|
|
|
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 void 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)
|
|
{
|
|
int i;
|
|
int filterSize;
|
|
int filter2Size;
|
|
int minFilterSize;
|
|
double *filter=NULL;
|
|
double *filter2=NULL;
|
|
#ifdef ARCH_X86
|
|
if(gCpuCaps.hasMMX)
|
|
asm volatile("emms\n\t"::: "memory"); //FIXME this shouldnt be required but it IS (even for non mmx versions)
|
|
#endif
|
|
|
|
// Note the +1 is for the MMXscaler which reads over the end
|
|
*filterPos = (int16_t*)memalign(8, (dstW+1)*sizeof(int16_t));
|
|
|
|
if(ABS(xInc - 0x10000) <10) // unscaled
|
|
{
|
|
int i;
|
|
filterSize= 1;
|
|
filter= (double*)memalign(8, 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= (double*)memalign(8, 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= (double*)memalign(8, 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= ABS((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);
|
|
int param= (flags&SWS_PARAM_MASK)>>SWS_PARAM_SHIFT;
|
|
|
|
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 ? 2.0*param : 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= (double*)memalign(16, 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= ABS(xx - xDstInSrc)/filterSizeInSrc*sizeFactor;
|
|
double coeff;
|
|
if(flags & SWS_BICUBIC)
|
|
{
|
|
double A= param ? -param*0.01 : -0.60;
|
|
|
|
// Equation is from VirtualDub
|
|
if(d<1.0)
|
|
coeff = (1.0 - (A+3.0)*d*d + (A+2.0)*d*d*d);
|
|
else if(d<2.0)
|
|
coeff = (-4.0*A + 8.0*A*d - 5.0*A*d*d + A*d*d*d);
|
|
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 ? param*0.1 : 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 ? param*0.1 : 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 ? param : 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
|
|
free(filter);
|
|
*/
|
|
ASSERT(filterSize>0)
|
|
filter2Size= filterSize;
|
|
if(srcFilter) filter2Size+= srcFilter->length - 1;
|
|
if(dstFilter) filter2Size+= dstFilter->length - 1;
|
|
ASSERT(filter2Size>0)
|
|
filter2= (double*)memalign(8, 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= 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) freeVec(outVec);
|
|
}
|
|
free(filter); filter=NULL;
|
|
|
|
/* try to reduce the filter-size (step1 find size and shift left) */
|
|
// Assume its 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 += ABS(filter2[i*filter2Size]);
|
|
|
|
if(cutOff > SWS_MAX_REDUCE_CUTOFF) break;
|
|
|
|
/* preserve Monotonicity because the core cant 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 += ABS(filter2[i*filter2Size + j]);
|
|
|
|
if(cutOff > SWS_MAX_REDUCE_CUTOFF) break;
|
|
min--;
|
|
}
|
|
|
|
if(min>minFilterSize) minFilterSize= min;
|
|
}
|
|
|
|
ASSERT(minFilterSize > 0)
|
|
filterSize= (minFilterSize +(filterAlign-1)) & (~(filterAlign-1));
|
|
ASSERT(filterSize > 0)
|
|
filter= (double*)memalign(8, filterSize*dstW*sizeof(double));
|
|
*outFilterSize= filterSize;
|
|
|
|
if(flags&SWS_PRINT_INFO)
|
|
MSG_INFO("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];
|
|
}
|
|
}
|
|
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= MAX(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= MIN(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
|
|
*outFilter= (int16_t*)memalign(8, *outFilterSize*(dstW+1)*sizeof(int16_t));
|
|
memset(*outFilter, 0, *outFilterSize*(dstW+1)*sizeof(int16_t));
|
|
|
|
/* Normalize & Store in outFilter */
|
|
for(i=0; i<dstW; i++)
|
|
{
|
|
int j;
|
|
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++)
|
|
{
|
|
(*outFilter)[i*(*outFilterSize) + j]= (int)(filter[i*filterSize + j]*scale);
|
|
}
|
|
}
|
|
|
|
(*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)];
|
|
}
|
|
|
|
free(filter);
|
|
}
|
|
|
|
#ifdef ARCH_X86
|
|
static void initMMX2HScaler(int dstW, int xInc, uint8_t *funnyCode, int16_t *filter, int32_t *filterPos, int numSplits)
|
|
{
|
|
uint8_t *fragmentA;
|
|
int imm8OfPShufW1A;
|
|
int imm8OfPShufW2A;
|
|
int fragmentLengthA;
|
|
uint8_t *fragmentB;
|
|
int imm8OfPShufW1B;
|
|
int imm8OfPShufW2B;
|
|
int 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 (%%edx, %%eax), %%mm3 \n\t"
|
|
"movd (%%ecx, %%esi), %%mm0 \n\t"
|
|
"movd 1(%%ecx, %%esi), %%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(%%ebx, %%eax), %%esi \n\t"
|
|
"pmullw %%mm3, %%mm0 \n\t"
|
|
"psllw $7, %%mm1 \n\t"
|
|
"paddw %%mm1, %%mm0 \n\t"
|
|
|
|
"movq %%mm0, (%%edi, %%eax) \n\t"
|
|
|
|
"addl $8, %%eax \n\t"
|
|
// End
|
|
"9: \n\t"
|
|
// "int $3\n\t"
|
|
"leal 0b, %0 \n\t"
|
|
"leal 1b, %1 \n\t"
|
|
"leal 2b, %2 \n\t"
|
|
"decl %1 \n\t"
|
|
"decl %2 \n\t"
|
|
"subl %0, %1 \n\t"
|
|
"subl %0, %2 \n\t"
|
|
"leal 9b, %3 \n\t"
|
|
"subl %0, %3 \n\t"
|
|
|
|
|
|
:"=r" (fragmentA), "=r" (imm8OfPShufW1A), "=r" (imm8OfPShufW2A),
|
|
"=r" (fragmentLengthA)
|
|
);
|
|
|
|
asm volatile(
|
|
"jmp 9f \n\t"
|
|
// Begin
|
|
"0: \n\t"
|
|
"movq (%%edx, %%eax), %%mm3 \n\t"
|
|
"movd (%%ecx, %%esi), %%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(%%ebx, %%eax), %%esi \n\t"
|
|
"pmullw %%mm3, %%mm0 \n\t"
|
|
"psllw $7, %%mm1 \n\t"
|
|
"paddw %%mm1, %%mm0 \n\t"
|
|
|
|
"movq %%mm0, (%%edi, %%eax) \n\t"
|
|
|
|
"addl $8, %%eax \n\t"
|
|
// End
|
|
"9: \n\t"
|
|
// "int $3\n\t"
|
|
"leal 0b, %0 \n\t"
|
|
"leal 1b, %1 \n\t"
|
|
"leal 2b, %2 \n\t"
|
|
"decl %1 \n\t"
|
|
"decl %2 \n\t"
|
|
"subl %0, %1 \n\t"
|
|
"subl %0, %2 \n\t"
|
|
"leal 9b, %3 \n\t"
|
|
"subl %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 // ARCH_X86
|
|
|
|
//FIXME remove
|
|
void SwScale_Init(){
|
|
}
|
|
|
|
static void globalInit(){
|
|
// generating tables:
|
|
int i;
|
|
for(i=0; i<768; i++){
|
|
int c= MIN(MAX(i-256, 0), 255);
|
|
clip_table[i]=c;
|
|
}
|
|
|
|
cpuCaps= gCpuCaps;
|
|
|
|
#ifdef RUNTIME_CPUDETECT
|
|
#ifdef CAN_COMPILE_X86_ASM
|
|
// ordered per speed fasterst first
|
|
if(gCpuCaps.hasMMX2)
|
|
swScale= swScale_MMX2;
|
|
else if(gCpuCaps.has3DNow)
|
|
swScale= swScale_3DNow;
|
|
else if(gCpuCaps.hasMMX)
|
|
swScale= swScale_MMX;
|
|
else
|
|
swScale= swScale_C;
|
|
|
|
#else
|
|
swScale= swScale_C;
|
|
cpuCaps.hasMMX2 = cpuCaps.hasMMX = cpuCaps.has3DNow = 0;
|
|
#endif
|
|
#else //RUNTIME_CPUDETECT
|
|
#ifdef HAVE_MMX2
|
|
swScale= swScale_MMX2;
|
|
cpuCaps.has3DNow = 0;
|
|
#elif defined (HAVE_3DNOW)
|
|
swScale= swScale_3DNow;
|
|
cpuCaps.hasMMX2 = 0;
|
|
#elif defined (HAVE_MMX)
|
|
swScale= swScale_MMX;
|
|
cpuCaps.hasMMX2 = cpuCaps.has3DNow = 0;
|
|
#else
|
|
swScale= swScale_C;
|
|
cpuCaps.hasMMX2 = cpuCaps.hasMMX = cpuCaps.has3DNow = 0;
|
|
#endif
|
|
#endif //!RUNTIME_CPUDETECT
|
|
}
|
|
|
|
static void 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])
|
|
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, srcStride[0]);
|
|
srcPtr+= srcStride[0];
|
|
dstPtr+= dstStride[0];
|
|
}
|
|
}
|
|
dst = dstParam[1] + dstStride[1]*srcSliceY;
|
|
if(c->srcFormat==IMGFMT_YV12)
|
|
interleaveBytes( src[1],src[2],dst,c->srcW,srcSliceH,srcStride[1],srcStride[2],dstStride[0] );
|
|
else /* I420 & IYUV */
|
|
interleaveBytes( src[2],src[1],dst,c->srcW,srcSliceH,srcStride[2],srcStride[1],dstStride[0] );
|
|
}
|
|
|
|
|
|
/* Warper functions for yuv2bgr */
|
|
static void planarYuvToBgr(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dstParam[], int dstStride[]){
|
|
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
|
|
|
|
if(c->srcFormat==IMGFMT_YV12)
|
|
yuv2rgb( dst,src[0],src[1],src[2],c->srcW,srcSliceH,dstStride[0],srcStride[0],srcStride[1] );
|
|
else /* I420 & IYUV */
|
|
yuv2rgb( dst,src[0],src[2],src[1],c->srcW,srcSliceH,dstStride[0],srcStride[0],srcStride[1] );
|
|
}
|
|
|
|
static void 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;
|
|
|
|
if(c->srcFormat==IMGFMT_YV12)
|
|
yv12toyuy2( src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0] );
|
|
else /* I420 & IYUV */
|
|
yv12toyuy2( src[0],src[2],src[1],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0] );
|
|
}
|
|
|
|
/* {RGB,BGR}{15,16,24,32} -> {RGB,BGR}{15,16,24,32} */
|
|
static void 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= ((srcFormat&0xFF) + 7)>>3;
|
|
const int dstBpp= ((dstFormat&0xFF) + 7)>>3;
|
|
const int srcId= (srcFormat&0xFF)>>2; // 1:0, 4:1, 8:2, 15:3, 16:4, 24:6, 32:8
|
|
const int dstId= (dstFormat&0xFF)>>2;
|
|
void (*conv)(const uint8_t *src, uint8_t *dst, unsigned src_size)=NULL;
|
|
|
|
/* BGR -> BGR */
|
|
if(isBGR(srcFormat) && isBGR(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: MSG_ERR("swScaler: internal error %s -> %s converter\n",
|
|
vo_format_name(srcFormat), vo_format_name(dstFormat)); break;
|
|
}
|
|
}else if(isBGR(srcFormat) && isRGB(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: MSG_ERR("swScaler: internal error %s -> %s converter\n",
|
|
vo_format_name(srcFormat), vo_format_name(dstFormat)); break;
|
|
}
|
|
}else if(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: MSG_ERR("swScaler: internal error %s -> %s converter\n",
|
|
vo_format_name(srcFormat), vo_format_name(dstFormat)); break;
|
|
}
|
|
}else if(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: MSG_ERR("swScaler: internal error %s -> %s converter\n",
|
|
vo_format_name(srcFormat), vo_format_name(dstFormat)); break;
|
|
}
|
|
}
|
|
if(dstStride[0]*srcBpp == srcStride[0]*dstBpp)
|
|
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];
|
|
}
|
|
}
|
|
}
|
|
|
|
static void 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]);
|
|
}
|
|
|
|
static void 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])
|
|
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==IMGFMT_YV12){
|
|
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]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* bring pointers in YUV order instead of YVU
|
|
*/
|
|
static inline void orderYUV(int format, uint8_t * sortedP[], int sortedStride[], uint8_t * p[], int stride[]){
|
|
if(format == IMGFMT_YV12 || format == IMGFMT_YVU9
|
|
|| format == IMGFMT_444P || format == IMGFMT_422P || format == IMGFMT_411P){
|
|
sortedP[0]= p[0];
|
|
sortedP[1]= p[1];
|
|
sortedP[2]= p[2];
|
|
sortedStride[0]= stride[0];
|
|
sortedStride[1]= stride[1];
|
|
sortedStride[2]= stride[2];
|
|
}
|
|
else if(isPacked(format) || isGray(format))
|
|
{
|
|
sortedP[0]= p[0];
|
|
sortedP[1]=
|
|
sortedP[2]= NULL;
|
|
sortedStride[0]= stride[0];
|
|
sortedStride[1]=
|
|
sortedStride[2]= 0;
|
|
}
|
|
else if(format == IMGFMT_I420)
|
|
{
|
|
sortedP[0]= p[0];
|
|
sortedP[1]= p[2];
|
|
sortedP[2]= p[1];
|
|
sortedStride[0]= stride[0];
|
|
sortedStride[1]= stride[2];
|
|
sortedStride[2]= stride[1];
|
|
}else{
|
|
MSG_ERR("internal error in orderYUV\n");
|
|
}
|
|
}
|
|
|
|
/* unscaled copy like stuff (assumes nearly identical formats) */
|
|
static void simpleCopy(SwsContext *c, uint8_t* srcParam[], int srcStrideParam[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dstParam[], int dstStrideParam[]){
|
|
|
|
int srcStride[3];
|
|
int dstStride[3];
|
|
uint8_t *src[3];
|
|
uint8_t *dst[3];
|
|
|
|
orderYUV(c->srcFormat, src, srcStride, srcParam, srcStrideParam);
|
|
orderYUV(c->dstFormat, dst, dstStride, dstParam, dstStrideParam);
|
|
|
|
if(isPacked(c->srcFormat))
|
|
{
|
|
if(dstStride[0]==srcStride[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 <= ABS(dstStride[0])
|
|
&& length+c->srcW <= ABS(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])
|
|
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];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static int remove_dup_fourcc(int fourcc)
|
|
{
|
|
switch(fourcc)
|
|
{
|
|
case IMGFMT_IYUV: return IMGFMT_I420;
|
|
case IMGFMT_Y8 : return IMGFMT_Y800;
|
|
case IMGFMT_IF09: return IMGFMT_YVU9;
|
|
default: return fourcc;
|
|
}
|
|
}
|
|
|
|
static void getSubSampleFactors(int *h, int *v, int format){
|
|
switch(format){
|
|
case IMGFMT_UYVY:
|
|
case IMGFMT_YUY2:
|
|
*h=1;
|
|
*v=0;
|
|
break;
|
|
case IMGFMT_YV12:
|
|
case IMGFMT_I420:
|
|
case IMGFMT_Y800: //FIXME remove after different subsamplings are fully implemented
|
|
*h=1;
|
|
*v=1;
|
|
break;
|
|
case IMGFMT_YVU9:
|
|
*h=2;
|
|
*v=2;
|
|
break;
|
|
case IMGFMT_444P:
|
|
*h=0;
|
|
*v=0;
|
|
break;
|
|
case IMGFMT_422P:
|
|
*h=1;
|
|
*v=0;
|
|
break;
|
|
case IMGFMT_411P:
|
|
*h=2;
|
|
*v=0;
|
|
break;
|
|
default:
|
|
*h=0;
|
|
*v=0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static uint16_t roundToInt16(float f){
|
|
if(f<-0x7FFF) f= -0x7FFF;
|
|
else if(f> 0x7FFF) f= 0x7FFF;
|
|
|
|
return (int)floor(f + 0.5);
|
|
}
|
|
|
|
/**
|
|
* @param colorspace colorspace
|
|
* @param fullRange if 1 then the luma range is 0..255 if 0 its 16..235
|
|
*/
|
|
void setInputColorspaceDetails(SwsContext *c, int colorspace, int fullRange, float brightness, float contrast, float saturation){
|
|
|
|
float crv = Inverse_Table_6_9[colorspace][0]/65536.0;
|
|
float cbu = Inverse_Table_6_9[colorspace][1]/65536.0;
|
|
float cgu = -Inverse_Table_6_9[colorspace][2]/65536.0;
|
|
float cgv = -Inverse_Table_6_9[colorspace][3]/65536.0;
|
|
float cy = 1.0;
|
|
float oy = 0;
|
|
|
|
c->uOffset= 0x0400040004000400LL;
|
|
c->vOffset= 0x0400040004000400LL;
|
|
|
|
if(!fullRange){
|
|
cy= (cy*255.0) / 219.0;
|
|
oy= 16.0;
|
|
}
|
|
|
|
cy *= contrast;
|
|
crv*= contrast * saturation;
|
|
cbu*= contrast * saturation;
|
|
cgu*= contrast * saturation;
|
|
cgv*= contrast * saturation;
|
|
|
|
oy -= 256.0*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;
|
|
}
|
|
|
|
SwsContext *getSwsContext(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat, int flags,
|
|
SwsFilter *srcFilter, SwsFilter *dstFilter){
|
|
|
|
SwsContext *c;
|
|
int i;
|
|
int usesFilter;
|
|
int unscaled, needsDither;
|
|
SwsFilter dummyFilter= {NULL, NULL, NULL, NULL};
|
|
#ifdef ARCH_X86
|
|
if(gCpuCaps.hasMMX)
|
|
asm volatile("emms\n\t"::: "memory");
|
|
#endif
|
|
if(swScale==NULL) globalInit();
|
|
//srcFormat= IMGFMT_Y800;
|
|
//dstFormat= IMGFMT_Y800;
|
|
/* avoid dupplicate Formats, so we dont need to check to much */
|
|
srcFormat = remove_dup_fourcc(srcFormat);
|
|
dstFormat = remove_dup_fourcc(dstFormat);
|
|
|
|
unscaled = (srcW == dstW && srcH == dstH);
|
|
needsDither= (isBGR(dstFormat) || isRGB(dstFormat))
|
|
&& (dstFormat&0xFF)<24
|
|
&& ((dstFormat&0xFF)<(srcFormat&0xFF) || (!(isRGB(srcFormat) || isBGR(srcFormat))));
|
|
|
|
if(!isSupportedIn(srcFormat))
|
|
{
|
|
MSG_ERR("swScaler: %s is not supported as input format\n", vo_format_name(srcFormat));
|
|
return NULL;
|
|
}
|
|
if(!isSupportedOut(dstFormat))
|
|
{
|
|
MSG_ERR("swScaler: %s is not supported as output format\n", vo_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
|
|
{
|
|
MSG_ERR("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= memalign(64, sizeof(SwsContext));
|
|
memset(c, 0, sizeof(SwsContext));
|
|
|
|
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;
|
|
|
|
setInputColorspaceDetails(c, SWS_CS_DEFAULT, 0, 0.0, 1.0, 1.0);
|
|
|
|
usesFilter=0;
|
|
if(dstFilter->lumV!=NULL && dstFilter->lumV->length>1) usesFilter=1;
|
|
if(dstFilter->lumH!=NULL && dstFilter->lumH->length>1) usesFilter=1;
|
|
if(dstFilter->chrV!=NULL && dstFilter->chrV->length>1) usesFilter=1;
|
|
if(dstFilter->chrH!=NULL && dstFilter->chrH->length>1) usesFilter=1;
|
|
if(srcFilter->lumV!=NULL && srcFilter->lumV->length>1) usesFilter=1;
|
|
if(srcFilter->lumH!=NULL && srcFilter->lumH->length>1) usesFilter=1;
|
|
if(srcFilter->chrV!=NULL && srcFilter->chrV->length>1) usesFilter=1;
|
|
if(srcFilter->chrH!=NULL && srcFilter->chrH->length>1) usesFilter=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))
|
|
c->chrSrcHSubSample=1;
|
|
|
|
c->chrIntHSubSample= c->chrDstHSubSample;
|
|
c->chrIntVSubSample= c->chrSrcVSubSample;
|
|
|
|
// note the -((-x)>>y) is so that we allways round toward +inf
|
|
c->chrSrcW= -((-srcW) >> c->chrSrcHSubSample);
|
|
c->chrSrcH= -((-srcH) >> c->chrSrcVSubSample);
|
|
c->chrDstW= -((-dstW) >> c->chrDstHSubSample);
|
|
c->chrDstH= -((-dstH) >> c->chrDstVSubSample);
|
|
|
|
if(isBGR(dstFormat))
|
|
c->yuvTable= yuv2rgb_c_init(dstFormat & 0xFF, MODE_RGB, c->table_rV, c->table_gU, c->table_gV, c->table_bU);
|
|
if(isRGB(dstFormat))
|
|
c->yuvTable= yuv2rgb_c_init(dstFormat & 0xFF, MODE_BGR, c->table_rV, c->table_gU, c->table_gV, c->table_bU);
|
|
|
|
/* unscaled special Cases */
|
|
if(unscaled && !usesFilter)
|
|
{
|
|
/* yv12_to_nv12 */
|
|
if((srcFormat == IMGFMT_YV12||srcFormat==IMGFMT_I420)&&dstFormat == IMGFMT_NV12)
|
|
{
|
|
c->swScale= PlanarToNV12Wrapper;
|
|
|
|
if(flags&SWS_PRINT_INFO)
|
|
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
|
|
vo_format_name(srcFormat), vo_format_name(dstFormat));
|
|
return c;
|
|
}
|
|
/* yuv2bgr */
|
|
if((srcFormat==IMGFMT_YV12 || srcFormat==IMGFMT_I420) && isBGR(dstFormat))
|
|
{
|
|
// FIXME multiple yuv2rgb converters wont work that way cuz that thing is full of globals&statics
|
|
//FIXME rgb vs. bgr ?
|
|
#ifdef WORDS_BIGENDIAN
|
|
if(dstFormat==IMGFMT_BGR32)
|
|
yuv2rgb_init( dstFormat&0xFF /* =bpp */, MODE_BGR);
|
|
else
|
|
yuv2rgb_init( dstFormat&0xFF /* =bpp */, MODE_RGB);
|
|
#else
|
|
yuv2rgb_init( dstFormat&0xFF /* =bpp */, MODE_RGB);
|
|
#endif
|
|
c->swScale= planarYuvToBgr;
|
|
|
|
if(flags&SWS_PRINT_INFO)
|
|
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
|
|
vo_format_name(srcFormat), vo_format_name(dstFormat));
|
|
return c;
|
|
}
|
|
|
|
/* simple copy */
|
|
if( srcFormat == dstFormat
|
|
|| (srcFormat==IMGFMT_YV12 && dstFormat==IMGFMT_I420)
|
|
|| (srcFormat==IMGFMT_I420 && dstFormat==IMGFMT_YV12)
|
|
|| (isPlanarYUV(srcFormat) && isGray(dstFormat))
|
|
|| (isPlanarYUV(dstFormat) && isGray(srcFormat))
|
|
)
|
|
{
|
|
c->swScale= simpleCopy;
|
|
|
|
if(flags&SWS_PRINT_INFO)
|
|
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
|
|
vo_format_name(srcFormat), vo_format_name(dstFormat));
|
|
return c;
|
|
}
|
|
|
|
if( srcFormat==IMGFMT_YVU9 && (dstFormat==IMGFMT_YV12 || dstFormat==IMGFMT_I420) )
|
|
{
|
|
c->swScale= yvu9toyv12Wrapper;
|
|
|
|
if(flags&SWS_PRINT_INFO)
|
|
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
|
|
vo_format_name(srcFormat), vo_format_name(dstFormat));
|
|
return c;
|
|
}
|
|
|
|
/* bgr24toYV12 */
|
|
if(srcFormat==IMGFMT_BGR24 && dstFormat==IMGFMT_YV12)
|
|
c->swScale= bgr24toyv12Wrapper;
|
|
|
|
/* rgb/bgr -> rgb/bgr (no dither needed forms) */
|
|
if( (isBGR(srcFormat) || isRGB(srcFormat))
|
|
&& (isBGR(dstFormat) || isRGB(dstFormat))
|
|
&& !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 == IMGFMT_YV12||srcFormat==IMGFMT_I420)&&dstFormat == IMGFMT_YUY2)
|
|
{
|
|
c->swScale= PlanarToYuy2Wrapper;
|
|
|
|
if(flags&SWS_PRINT_INFO)
|
|
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
|
|
vo_format_name(srcFormat), vo_format_name(dstFormat));
|
|
return c;
|
|
}
|
|
}
|
|
|
|
if(c->swScale){
|
|
if(flags&SWS_PRINT_INFO)
|
|
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
|
|
vo_format_name(srcFormat), vo_format_name(dstFormat));
|
|
return c;
|
|
}
|
|
}
|
|
|
|
if(cpuCaps.hasMMX2)
|
|
{
|
|
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)
|
|
MSG_INFO("SwScaler: output Width is not a multiple of 32 -> no MMX2 scaler\n");
|
|
}
|
|
}
|
|
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 noone shuld 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 dont use the x86asm scaler if mmx is available
|
|
else if(cpuCaps.hasMMX)
|
|
{
|
|
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= cpuCaps.hasMMX ? 4 : 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);
|
|
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);
|
|
|
|
#ifdef ARCH_X86
|
|
// cant downscale !!!
|
|
if(c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR))
|
|
{
|
|
c->lumMmx2Filter = (int16_t*)memalign(8, (dstW /8+8)*sizeof(int16_t));
|
|
c->chrMmx2Filter = (int16_t*)memalign(8, (c->chrDstW /4+8)*sizeof(int16_t));
|
|
c->lumMmx2FilterPos= (int32_t*)memalign(8, (dstW /2/8+8)*sizeof(int32_t));
|
|
c->chrMmx2FilterPos= (int32_t*)memalign(8, (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
|
|
} // Init Horizontal stuff
|
|
|
|
|
|
|
|
/* precalculate vertical scaler filter coefficients */
|
|
initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize, c->lumYInc,
|
|
srcH , dstH, 1, (1<<12)-4,
|
|
(flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags,
|
|
srcFilter->lumV, dstFilter->lumV);
|
|
initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize, c->chrYInc,
|
|
c->chrSrcH, c->chrDstH, 1, (1<<12)-4,
|
|
(flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags,
|
|
srcFilter->chrV, dstFilter->chrV);
|
|
|
|
// Calculate Buffer Sizes so that they wont 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= MAX(c->vLumFilterPos[i ] + c->vLumFilterSize - 1,
|
|
((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample));
|
|
nextSlice&= ~3; // Slices start at boundaries which are divisable through 4
|
|
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= (int16_t**)memalign(4, c->vLumBufSize*2*sizeof(int16_t*));
|
|
c->chrPixBuf= (int16_t**)memalign(4, 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)
|
|
for(i=0; i<c->vLumBufSize; i++)
|
|
c->lumPixBuf[i]= c->lumPixBuf[i+c->vLumBufSize]= (uint16_t*)memalign(8, 4000);
|
|
for(i=0; i<c->vChrBufSize; i++)
|
|
c->chrPixBuf[i]= c->chrPixBuf[i+c->vChrBufSize]= (uint16_t*)memalign(8, 8000);
|
|
|
|
//try to avoid drawing green stuff between the right end and the stride end
|
|
for(i=0; i<c->vLumBufSize; i++) memset(c->lumPixBuf[i], 0, 4000);
|
|
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)
|
|
MSG_INFO("\nSwScaler: FAST_BILINEAR scaler, ");
|
|
else if(flags&SWS_BILINEAR)
|
|
MSG_INFO("\nSwScaler: BILINEAR scaler, ");
|
|
else if(flags&SWS_BICUBIC)
|
|
MSG_INFO("\nSwScaler: BICUBIC scaler, ");
|
|
else if(flags&SWS_X)
|
|
MSG_INFO("\nSwScaler: Experimental scaler, ");
|
|
else if(flags&SWS_POINT)
|
|
MSG_INFO("\nSwScaler: Nearest Neighbor / POINT scaler, ");
|
|
else if(flags&SWS_AREA)
|
|
MSG_INFO("\nSwScaler: Area Averageing scaler, ");
|
|
else if(flags&SWS_BICUBLIN)
|
|
MSG_INFO("\nSwScaler: luma BICUBIC / chroma BILINEAR scaler, ");
|
|
else if(flags&SWS_GAUSS)
|
|
MSG_INFO("\nSwScaler: Gaussian scaler, ");
|
|
else if(flags&SWS_SINC)
|
|
MSG_INFO("\nSwScaler: Sinc scaler, ");
|
|
else if(flags&SWS_LANCZOS)
|
|
MSG_INFO("\nSwScaler: Lanczos scaler, ");
|
|
else if(flags&SWS_SPLINE)
|
|
MSG_INFO("\nSwScaler: Bicubic spline scaler, ");
|
|
else
|
|
MSG_INFO("\nSwScaler: ehh flags invalid?! ");
|
|
|
|
if(dstFormat==IMGFMT_BGR15 || dstFormat==IMGFMT_BGR16)
|
|
MSG_INFO("from %s to%s %s ",
|
|
vo_format_name(srcFormat), dither, vo_format_name(dstFormat));
|
|
else
|
|
MSG_INFO("from %s to %s ",
|
|
vo_format_name(srcFormat), vo_format_name(dstFormat));
|
|
|
|
if(cpuCaps.hasMMX2)
|
|
MSG_INFO("using MMX2\n");
|
|
else if(cpuCaps.has3DNow)
|
|
MSG_INFO("using 3DNOW\n");
|
|
else if(cpuCaps.hasMMX)
|
|
MSG_INFO("using MMX\n");
|
|
else
|
|
MSG_INFO("using C\n");
|
|
}
|
|
|
|
if((flags & SWS_PRINT_INFO) && verbose>0)
|
|
{
|
|
if(cpuCaps.hasMMX)
|
|
{
|
|
if(c->canMMX2BeUsed && (flags&SWS_FAST_BILINEAR))
|
|
MSG_V("SwScaler: using FAST_BILINEAR MMX2 scaler for horizontal scaling\n");
|
|
else
|
|
{
|
|
if(c->hLumFilterSize==4)
|
|
MSG_V("SwScaler: using 4-tap MMX scaler for horizontal luminance scaling\n");
|
|
else if(c->hLumFilterSize==8)
|
|
MSG_V("SwScaler: using 8-tap MMX scaler for horizontal luminance scaling\n");
|
|
else
|
|
MSG_V("SwScaler: using n-tap MMX scaler for horizontal luminance scaling\n");
|
|
|
|
if(c->hChrFilterSize==4)
|
|
MSG_V("SwScaler: using 4-tap MMX scaler for horizontal chrominance scaling\n");
|
|
else if(c->hChrFilterSize==8)
|
|
MSG_V("SwScaler: using 8-tap MMX scaler for horizontal chrominance scaling\n");
|
|
else
|
|
MSG_V("SwScaler: using n-tap MMX scaler for horizontal chrominance scaling\n");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
#ifdef ARCH_X86
|
|
MSG_V("SwScaler: using X86-Asm scaler for horizontal scaling\n");
|
|
#else
|
|
if(flags & SWS_FAST_BILINEAR)
|
|
MSG_V("SwScaler: using FAST_BILINEAR C scaler for horizontal scaling\n");
|
|
else
|
|
MSG_V("SwScaler: using C scaler for horizontal scaling\n");
|
|
#endif
|
|
}
|
|
if(isPlanarYUV(dstFormat))
|
|
{
|
|
if(c->vLumFilterSize==1)
|
|
MSG_V("SwScaler: using 1-tap %s \"scaler\" for vertical scaling (YV12 like)\n", cpuCaps.hasMMX ? "MMX" : "C");
|
|
else
|
|
MSG_V("SwScaler: using n-tap %s scaler for vertical scaling (YV12 like)\n", cpuCaps.hasMMX ? "MMX" : "C");
|
|
}
|
|
else
|
|
{
|
|
if(c->vLumFilterSize==1 && c->vChrFilterSize==2)
|
|
MSG_V("SwScaler: using 1-tap %s \"scaler\" for vertical luminance scaling (BGR)\n"
|
|
"SwScaler: 2-tap scaler for vertical chrominance scaling (BGR)\n",cpuCaps.hasMMX ? "MMX" : "C");
|
|
else if(c->vLumFilterSize==2 && c->vChrFilterSize==2)
|
|
MSG_V("SwScaler: using 2-tap linear %s scaler for vertical scaling (BGR)\n", cpuCaps.hasMMX ? "MMX" : "C");
|
|
else
|
|
MSG_V("SwScaler: using n-tap %s scaler for vertical scaling (BGR)\n", cpuCaps.hasMMX ? "MMX" : "C");
|
|
}
|
|
|
|
if(dstFormat==IMGFMT_BGR24)
|
|
MSG_V("SwScaler: using %s YV12->BGR24 Converter\n",
|
|
cpuCaps.hasMMX2 ? "MMX2" : (cpuCaps.hasMMX ? "MMX" : "C"));
|
|
else if(dstFormat==IMGFMT_BGR32)
|
|
MSG_V("SwScaler: using %s YV12->BGR32 Converter\n", cpuCaps.hasMMX ? "MMX" : "C");
|
|
else if(dstFormat==IMGFMT_BGR16)
|
|
MSG_V("SwScaler: using %s YV12->BGR16 Converter\n", cpuCaps.hasMMX ? "MMX" : "C");
|
|
else if(dstFormat==IMGFMT_BGR15)
|
|
MSG_V("SwScaler: using %s YV12->BGR15 Converter\n", cpuCaps.hasMMX ? "MMX" : "C");
|
|
|
|
MSG_V("SwScaler: %dx%d -> %dx%d\n", srcW, srcH, dstW, dstH);
|
|
}
|
|
if((flags & SWS_PRINT_INFO) && verbose>1)
|
|
{
|
|
MSG_DBG2("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);
|
|
MSG_DBG2("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= swScale;
|
|
return c;
|
|
}
|
|
|
|
/**
|
|
* returns a normalized gaussian curve used to filter stuff
|
|
* quality=3 is high quality, lowwer is lowwer quality
|
|
*/
|
|
|
|
SwsVector *getGaussianVec(double variance, double quality){
|
|
const int length= (int)(variance*quality + 0.5) | 1;
|
|
int i;
|
|
double *coeff= memalign(sizeof(double), length*sizeof(double));
|
|
double middle= (length-1)*0.5;
|
|
SwsVector *vec= 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);
|
|
}
|
|
|
|
normalizeVec(vec, 1.0);
|
|
|
|
return vec;
|
|
}
|
|
|
|
SwsVector *getConstVec(double c, int length){
|
|
int i;
|
|
double *coeff= memalign(sizeof(double), length*sizeof(double));
|
|
SwsVector *vec= malloc(sizeof(SwsVector));
|
|
|
|
vec->coeff= coeff;
|
|
vec->length= length;
|
|
|
|
for(i=0; i<length; i++)
|
|
coeff[i]= c;
|
|
|
|
return vec;
|
|
}
|
|
|
|
|
|
SwsVector *getIdentityVec(void){
|
|
double *coeff= memalign(sizeof(double), sizeof(double));
|
|
SwsVector *vec= malloc(sizeof(SwsVector));
|
|
coeff[0]= 1.0;
|
|
|
|
vec->coeff= coeff;
|
|
vec->length= 1;
|
|
|
|
return vec;
|
|
}
|
|
|
|
void normalizeVec(SwsVector *a, double height){
|
|
int i;
|
|
double sum=0;
|
|
double inv;
|
|
|
|
for(i=0; i<a->length; i++)
|
|
sum+= a->coeff[i];
|
|
|
|
inv= height/sum;
|
|
|
|
for(i=0; i<a->length; i++)
|
|
a->coeff[i]*= inv;
|
|
}
|
|
|
|
void scaleVec(SwsVector *a, double scalar){
|
|
int i;
|
|
|
|
for(i=0; i<a->length; i++)
|
|
a->coeff[i]*= scalar;
|
|
}
|
|
|
|
static SwsVector *getConvVec(SwsVector *a, SwsVector *b){
|
|
int length= a->length + b->length - 1;
|
|
double *coeff= memalign(sizeof(double), length*sizeof(double));
|
|
int i, j;
|
|
SwsVector *vec= 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 *sumVec(SwsVector *a, SwsVector *b){
|
|
int length= MAX(a->length, b->length);
|
|
double *coeff= memalign(sizeof(double), length*sizeof(double));
|
|
int i;
|
|
SwsVector *vec= 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 *diffVec(SwsVector *a, SwsVector *b){
|
|
int length= MAX(a->length, b->length);
|
|
double *coeff= memalign(sizeof(double), length*sizeof(double));
|
|
int i;
|
|
SwsVector *vec= 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 *getShiftedVec(SwsVector *a, int shift){
|
|
int length= a->length + ABS(shift)*2;
|
|
double *coeff= memalign(sizeof(double), length*sizeof(double));
|
|
int i;
|
|
SwsVector *vec= 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 shiftVec(SwsVector *a, int shift){
|
|
SwsVector *shifted= getShiftedVec(a, shift);
|
|
free(a->coeff);
|
|
a->coeff= shifted->coeff;
|
|
a->length= shifted->length;
|
|
free(shifted);
|
|
}
|
|
|
|
void addVec(SwsVector *a, SwsVector *b){
|
|
SwsVector *sum= sumVec(a, b);
|
|
free(a->coeff);
|
|
a->coeff= sum->coeff;
|
|
a->length= sum->length;
|
|
free(sum);
|
|
}
|
|
|
|
void subVec(SwsVector *a, SwsVector *b){
|
|
SwsVector *diff= diffVec(a, b);
|
|
free(a->coeff);
|
|
a->coeff= diff->coeff;
|
|
a->length= diff->length;
|
|
free(diff);
|
|
}
|
|
|
|
void convVec(SwsVector *a, SwsVector *b){
|
|
SwsVector *conv= getConvVec(a, b);
|
|
free(a->coeff);
|
|
a->coeff= conv->coeff;
|
|
a->length= conv->length;
|
|
free(conv);
|
|
}
|
|
|
|
SwsVector *cloneVec(SwsVector *a){
|
|
double *coeff= memalign(sizeof(double), a->length*sizeof(double));
|
|
int i;
|
|
SwsVector *vec= 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 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);
|
|
MSG_DBG2("%1.3f ", a->coeff[i]);
|
|
for(;x>0; x--) MSG_DBG2(" ");
|
|
MSG_DBG2("|\n");
|
|
}
|
|
}
|
|
|
|
void freeVec(SwsVector *a){
|
|
if(!a) return;
|
|
if(a->coeff) free(a->coeff);
|
|
a->coeff=NULL;
|
|
a->length=0;
|
|
free(a);
|
|
}
|
|
|
|
void freeSwsContext(SwsContext *c){
|
|
int i;
|
|
if(!c) return;
|
|
|
|
if(c->lumPixBuf)
|
|
{
|
|
for(i=0; i<c->vLumBufSize; i++)
|
|
{
|
|
if(c->lumPixBuf[i]) free(c->lumPixBuf[i]);
|
|
c->lumPixBuf[i]=NULL;
|
|
}
|
|
free(c->lumPixBuf);
|
|
c->lumPixBuf=NULL;
|
|
}
|
|
|
|
if(c->chrPixBuf)
|
|
{
|
|
for(i=0; i<c->vChrBufSize; i++)
|
|
{
|
|
if(c->chrPixBuf[i]) free(c->chrPixBuf[i]);
|
|
c->chrPixBuf[i]=NULL;
|
|
}
|
|
free(c->chrPixBuf);
|
|
c->chrPixBuf=NULL;
|
|
}
|
|
|
|
if(c->vLumFilter) free(c->vLumFilter);
|
|
c->vLumFilter = NULL;
|
|
if(c->vChrFilter) free(c->vChrFilter);
|
|
c->vChrFilter = NULL;
|
|
if(c->hLumFilter) free(c->hLumFilter);
|
|
c->hLumFilter = NULL;
|
|
if(c->hChrFilter) free(c->hChrFilter);
|
|
c->hChrFilter = NULL;
|
|
|
|
if(c->vLumFilterPos) free(c->vLumFilterPos);
|
|
c->vLumFilterPos = NULL;
|
|
if(c->vChrFilterPos) free(c->vChrFilterPos);
|
|
c->vChrFilterPos = NULL;
|
|
if(c->hLumFilterPos) free(c->hLumFilterPos);
|
|
c->hLumFilterPos = NULL;
|
|
if(c->hChrFilterPos) free(c->hChrFilterPos);
|
|
c->hChrFilterPos = NULL;
|
|
|
|
if(c->lumMmx2Filter) free(c->lumMmx2Filter);
|
|
c->lumMmx2Filter=NULL;
|
|
if(c->chrMmx2Filter) free(c->chrMmx2Filter);
|
|
c->chrMmx2Filter=NULL;
|
|
if(c->lumMmx2FilterPos) free(c->lumMmx2FilterPos);
|
|
c->lumMmx2FilterPos=NULL;
|
|
if(c->chrMmx2FilterPos) free(c->chrMmx2FilterPos);
|
|
c->chrMmx2FilterPos=NULL;
|
|
if(c->yuvTable) free(c->yuvTable);
|
|
c->yuvTable=NULL;
|
|
|
|
free(c);
|
|
}
|
|
|