some printf->mp_msg conversion, and some debug messages moved from warn/info to v/dbg2 mplayer's output is now shorter, readable and consistent Originally committed as revision 6139 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
		
			
				
	
	
		
			2119 lines
		
	
	
		
			58 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			2119 lines
		
	
	
		
			58 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|     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
 | |
|     it under the terms of the GNU General Public License as published by
 | |
|     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
 | |
|     GNU General Public License for more details.
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| 
 | |
|     You should have received a copy of the GNU General Public License
 | |
|     along with this program; if not, write to the Free Software
 | |
|     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 | |
| */
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| 
 | |
| /*
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|   supported Input formats: YV12, I420, IYUV, YUY2, BGR32, BGR24, BGR16, BGR15, RGB32, RGB24, Y8, Y800
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|   supported output formats: YV12, I420, IYUV, BGR15, BGR16, BGR24, BGR32 (grayscale soon too)
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|   BGR15/16 support dithering
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|   
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|   unscaled special converters
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|   YV12/I420/IYUV -> BGR15/BGR16/BGR24/BGR32
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|   YV12/I420/IYUV -> YV12/I420/IYUV
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|   YUY2/BGR15/BGR16/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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|   BGR15 -> BGR16
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| */
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| 
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| /* 
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| tested special converters
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|  YV12/I420 -> BGR16
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|  YV12 -> YV12
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|  BGR15 -> BGR16
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|  BGR16 -> BGR16
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| 
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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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| 
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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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| #undef MOVNTQ
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| #undef PAVGB
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| 
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| //#undef HAVE_MMX2
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| //#define HAVE_3DNOW
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| //#undef HAVE_MMX
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| //#undef ARCH_X86
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| //#define WORDS_BIGENDIAN
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| #define DITHER1XBPP
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| 
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| #define FAST_BGR2YV12 // use 7 bit coeffs instead of 15bit
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| 
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| #define RET 0xC3 //near return opcode for X86
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| 
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| #ifdef MP_DEBUG
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| #define ASSERT(x) assert(x);
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| #else
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| #define ASSERT(x) ;
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| #endif
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| 
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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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| 
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| //FIXME replace this with something faster
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| #define isPlanarYUV(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_I420)
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| #define isYUV(x)       ((x)==IMGFMT_YUY2 || isPlanarYUV(x))
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| #define isHalfChrV(x)  ((x)==IMGFMT_YV12 || (x)==IMGFMT_I420)
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| #define isHalfChrH(x)  ((x)==IMGFMT_YUY2 || (x)==IMGFMT_YV12 || (x)==IMGFMT_I420)
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| #define isPacked(x)    ((x)==IMGFMT_YUY2 || ((x)&IMGFMT_BGR_MASK)==IMGFMT_BGR || ((x)&IMGFMT_RGB_MASK)==IMGFMT_RGB)
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| #define isGray(x)      ((x)==IMGFMT_Y800)
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| #define isSupportedIn(x)  ((x)==IMGFMT_YV12 || (x)==IMGFMT_I420 || (x)==IMGFMT_YUY2 \
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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)
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| #define isSupportedOut(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_I420 \
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| 			|| (x)==IMGFMT_BGR32|| (x)==IMGFMT_BGR24|| (x)==IMGFMT_BGR16|| (x)==IMGFMT_BGR15)
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| #define isBGR(x)       ((x)==IMGFMT_BGR32|| (x)==IMGFMT_BGR24|| (x)==IMGFMT_BGR16|| (x)==IMGFMT_BGR15)
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| 
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| #define RGB2YUV_SHIFT 16
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| #define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5))
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| #define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5))
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| #define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
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| #define GY ((int)( 0.504*(1<<RGB2YUV_SHIFT)+0.5))
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| #define GV ((int)(-0.368*(1<<RGB2YUV_SHIFT)+0.5))
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| #define GU ((int)(-0.291*(1<<RGB2YUV_SHIFT)+0.5))
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| #define RY ((int)( 0.257*(1<<RGB2YUV_SHIFT)+0.5))
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| #define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
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| #define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5))
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| 
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| extern int verbose; // defined in mplayer.c
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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
 | |
| write special vertical cubic upscale version
 | |
| 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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| // FIXME remove
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| static uint64_t __attribute__((aligned(8))) asm_yalpha1;
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| static uint64_t __attribute__((aligned(8))) asm_uvalpha1;
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| #endif
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| 
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| // clipping helper table for C implementations:
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| static unsigned char clip_table[768];
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| 
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| static unsigned short clip_table16b[768];
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| static unsigned short clip_table16g[768];
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| static unsigned short clip_table16r[768];
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| static unsigned short clip_table15b[768];
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| static unsigned short clip_table15g[768];
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| static unsigned short clip_table15r[768];
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| 
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| // yuv->rgb conversion tables:
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| static    int yuvtab_2568[256];
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| static    int yuvtab_3343[256];
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| static    int yuvtab_0c92[256];
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| static    int yuvtab_1a1e[256];
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| static    int yuvtab_40cf[256];
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| // Needed for cubic scaler to catch overflows
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| static    int clip_yuvtab_2568[768];
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| static    int clip_yuvtab_3343[768];
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| static    int clip_yuvtab_0c92[768];
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| static    int clip_yuvtab_1a1e[768];
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| static    int clip_yuvtab_40cf[768];
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| 
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| //global sws_flags from the command line
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| int sws_flags=2;
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| 
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| //global srcFilter
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| SwsFilter src_filter= {NULL, NULL, NULL, NULL};
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| 
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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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| 
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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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| 
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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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| 
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| static SwsVector *getConvVec(SwsVector *a, SwsVector *b);
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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+asm_yalpha1+ asm_uvalpha1+
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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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| 
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| static inline void yuv2yuvXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
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| 				    int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
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| 				    uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW)
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| {
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| 	//FIXME Optimize (just quickly writen not opti..)
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| 	int i;
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| 	for(i=0; i<dstW; i++)
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| 	{
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| 		int val=0;
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| 		int j;
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| 		for(j=0; j<lumFilterSize; j++)
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| 			val += lumSrc[j][i] * lumFilter[j];
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| 
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| 		dest[i]= MIN(MAX(val>>19, 0), 255);
 | |
| 	}
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| 
 | |
| 	if(uDest != NULL)
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| 		for(i=0; i<(dstW>>1); i++)
 | |
| 		{
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| 			int u=0;
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| 			int v=0;
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| 			int j;
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| 			for(j=0; j<chrFilterSize; j++)
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| 			{
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| 				u += chrSrc[j][i] * chrFilter[j];
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| 				v += chrSrc[j][i + 2048] * chrFilter[j];
 | |
| 			}
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| 
 | |
| 			uDest[i]= MIN(MAX(u>>19, 0), 255);
 | |
| 			vDest[i]= MIN(MAX(v>>19, 0), 255);
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| 		}
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| }
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| 
 | |
| static inline void yuv2rgbXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
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| 				    int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
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| 				    uint8_t *dest, int dstW, int dstFormat)
 | |
| {
 | |
| 	if(dstFormat==IMGFMT_BGR32)
 | |
| 	{
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| 		int i;
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| #ifdef WORDS_BIGENDIAN
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| 	dest++;
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| #endif
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| 		for(i=0; i<(dstW>>1); i++){
 | |
| 			int j;
 | |
| 			int Y1=0;
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| 			int Y2=0;
 | |
| 			int U=0;
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| 			int V=0;
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| 			int Cb, Cr, Cg;
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| 			for(j=0; j<lumFilterSize; j++)
 | |
| 			{
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| 				Y1 += lumSrc[j][2*i] * lumFilter[j];
 | |
| 				Y2 += lumSrc[j][2*i+1] * lumFilter[j];
 | |
| 			}
 | |
| 			for(j=0; j<chrFilterSize; j++)
 | |
| 			{
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| 				U += chrSrc[j][i] * chrFilter[j];
 | |
| 				V += chrSrc[j][i+2048] * chrFilter[j];
 | |
| 			}
 | |
| 			Y1= clip_yuvtab_2568[ (Y1>>19) + 256 ];
 | |
| 			Y2= clip_yuvtab_2568[ (Y2>>19) + 256 ];
 | |
| 			U >>= 19;
 | |
| 			V >>= 19;
 | |
| 
 | |
| 			Cb= clip_yuvtab_40cf[U+ 256];
 | |
| 			Cg= clip_yuvtab_1a1e[V+ 256] + yuvtab_0c92[U+ 256];
 | |
| 			Cr= clip_yuvtab_3343[V+ 256];
 | |
| 
 | |
| 			dest[8*i+0]=clip_table[((Y1 + Cb) >>13)];
 | |
| 			dest[8*i+1]=clip_table[((Y1 + Cg) >>13)];
 | |
| 			dest[8*i+2]=clip_table[((Y1 + Cr) >>13)];
 | |
| 
 | |
| 			dest[8*i+4]=clip_table[((Y2 + Cb) >>13)];
 | |
| 			dest[8*i+5]=clip_table[((Y2 + Cg) >>13)];
 | |
| 			dest[8*i+6]=clip_table[((Y2 + Cr) >>13)];
 | |
| 		}
 | |
| 	}
 | |
| 	else if(dstFormat==IMGFMT_BGR24)
 | |
| 	{
 | |
| 		int i;
 | |
| 		for(i=0; i<(dstW>>1); i++){
 | |
| 			int j;
 | |
| 			int Y1=0;
 | |
| 			int Y2=0;
 | |
| 			int U=0;
 | |
| 			int V=0;
 | |
| 			int Cb, Cr, Cg;
 | |
| 			for(j=0; j<lumFilterSize; j++)
 | |
| 			{
 | |
| 				Y1 += lumSrc[j][2*i] * lumFilter[j];
 | |
| 				Y2 += lumSrc[j][2*i+1] * lumFilter[j];
 | |
| 			}
 | |
| 			for(j=0; j<chrFilterSize; j++)
 | |
| 			{
 | |
| 				U += chrSrc[j][i] * chrFilter[j];
 | |
| 				V += chrSrc[j][i+2048] * chrFilter[j];
 | |
| 			}
 | |
| 			Y1= clip_yuvtab_2568[ (Y1>>19) + 256 ];
 | |
| 			Y2= clip_yuvtab_2568[ (Y2>>19) + 256 ];
 | |
| 			U >>= 19;
 | |
| 			V >>= 19;
 | |
| 
 | |
| 			Cb= clip_yuvtab_40cf[U+ 256];
 | |
| 			Cg= clip_yuvtab_1a1e[V+ 256] + yuvtab_0c92[U+ 256];
 | |
| 			Cr= clip_yuvtab_3343[V+ 256];
 | |
| 
 | |
| 			dest[0]=clip_table[((Y1 + Cb) >>13)];
 | |
| 			dest[1]=clip_table[((Y1 + Cg) >>13)];
 | |
| 			dest[2]=clip_table[((Y1 + Cr) >>13)];
 | |
| 
 | |
| 			dest[3]=clip_table[((Y2 + Cb) >>13)];
 | |
| 			dest[4]=clip_table[((Y2 + Cg) >>13)];
 | |
| 			dest[5]=clip_table[((Y2 + Cr) >>13)];
 | |
| 			dest+=6;
 | |
| 		}
 | |
| 	}
 | |
| 	else if(dstFormat==IMGFMT_BGR16)
 | |
| 	{
 | |
| 		int i;
 | |
| #ifdef DITHER1XBPP
 | |
| 		static int ditherb1=1<<14;
 | |
| 		static int ditherg1=1<<13;
 | |
| 		static int ditherr1=2<<14;
 | |
| 		static int ditherb2=3<<14;
 | |
| 		static int ditherg2=3<<13;
 | |
| 		static int ditherr2=0<<14;
 | |
| 
 | |
| 		ditherb1 ^= (1^2)<<14;
 | |
| 		ditherg1 ^= (1^2)<<13;
 | |
| 		ditherr1 ^= (1^2)<<14;
 | |
| 		ditherb2 ^= (3^0)<<14;
 | |
| 		ditherg2 ^= (3^0)<<13;
 | |
| 		ditherr2 ^= (3^0)<<14;
 | |
| #else
 | |
| 		const int ditherb1=0;
 | |
| 		const int ditherg1=0;
 | |
| 		const int ditherr1=0;
 | |
| 		const int ditherb2=0;
 | |
| 		const int ditherg2=0;
 | |
| 		const int ditherr2=0;
 | |
| #endif
 | |
| 		for(i=0; i<(dstW>>1); i++){
 | |
| 			int j;
 | |
| 			int Y1=0;
 | |
| 			int Y2=0;
 | |
| 			int U=0;
 | |
| 			int V=0;
 | |
| 			int Cb, Cr, Cg;
 | |
| 			for(j=0; j<lumFilterSize; j++)
 | |
| 			{
 | |
| 				Y1 += lumSrc[j][2*i] * lumFilter[j];
 | |
| 				Y2 += lumSrc[j][2*i+1] * lumFilter[j];
 | |
| 			}
 | |
| 			for(j=0; j<chrFilterSize; j++)
 | |
| 			{
 | |
| 				U += chrSrc[j][i] * chrFilter[j];
 | |
| 				V += chrSrc[j][i+2048] * chrFilter[j];
 | |
| 			}
 | |
| 			Y1= clip_yuvtab_2568[ (Y1>>19) + 256 ];
 | |
| 			Y2= clip_yuvtab_2568[ (Y2>>19) + 256 ];
 | |
| 			U >>= 19;
 | |
| 			V >>= 19;
 | |
| 
 | |
| 			Cb= clip_yuvtab_40cf[U+ 256];
 | |
| 			Cg= clip_yuvtab_1a1e[V+ 256] + yuvtab_0c92[U+ 256];
 | |
| 			Cr= clip_yuvtab_3343[V+ 256];
 | |
| 
 | |
| 			((uint16_t*)dest)[2*i] =
 | |
| 				clip_table16b[(Y1 + Cb + ditherb1) >>13] |
 | |
| 				clip_table16g[(Y1 + Cg + ditherg1) >>13] |
 | |
| 				clip_table16r[(Y1 + Cr + ditherr1) >>13];
 | |
| 
 | |
| 			((uint16_t*)dest)[2*i+1] =
 | |
| 				clip_table16b[(Y2 + Cb + ditherb2) >>13] |
 | |
| 				clip_table16g[(Y2 + Cg + ditherg2) >>13] |
 | |
| 				clip_table16r[(Y2 + Cr + ditherr2) >>13];
 | |
| 		}
 | |
| 	}
 | |
| 	else if(dstFormat==IMGFMT_BGR15)
 | |
| 	{
 | |
| 		int i;
 | |
| #ifdef DITHER1XBPP
 | |
| 		static int ditherb1=1<<14;
 | |
| 		static int ditherg1=1<<14;
 | |
| 		static int ditherr1=2<<14;
 | |
| 		static int ditherb2=3<<14;
 | |
| 		static int ditherg2=3<<14;
 | |
| 		static int ditherr2=0<<14;
 | |
| 
 | |
| 		ditherb1 ^= (1^2)<<14;
 | |
| 		ditherg1 ^= (1^2)<<14;
 | |
| 		ditherr1 ^= (1^2)<<14;
 | |
| 		ditherb2 ^= (3^0)<<14;
 | |
| 		ditherg2 ^= (3^0)<<14;
 | |
| 		ditherr2 ^= (3^0)<<14;
 | |
| #else
 | |
| 		const int ditherb1=0;
 | |
| 		const int ditherg1=0;
 | |
| 		const int ditherr1=0;
 | |
| 		const int ditherb2=0;
 | |
| 		const int ditherg2=0;
 | |
| 		const int ditherr2=0;
 | |
| #endif
 | |
| 		for(i=0; i<(dstW>>1); i++){
 | |
| 			int j;
 | |
| 			int Y1=0;
 | |
| 			int Y2=0;
 | |
| 			int U=0;
 | |
| 			int V=0;
 | |
| 			int Cb, Cr, Cg;
 | |
| 			for(j=0; j<lumFilterSize; j++)
 | |
| 			{
 | |
| 				Y1 += lumSrc[j][2*i] * lumFilter[j];
 | |
| 				Y2 += lumSrc[j][2*i+1] * lumFilter[j];
 | |
| 			}
 | |
| 			for(j=0; j<chrFilterSize; j++)
 | |
| 			{
 | |
| 				U += chrSrc[j][i] * chrFilter[j];
 | |
| 				V += chrSrc[j][i+2048] * chrFilter[j];
 | |
| 			}
 | |
| 			Y1= clip_yuvtab_2568[ (Y1>>19) + 256 ];
 | |
| 			Y2= clip_yuvtab_2568[ (Y2>>19) + 256 ];
 | |
| 			U >>= 19;
 | |
| 			V >>= 19;
 | |
| 
 | |
| 			Cb= clip_yuvtab_40cf[U+ 256];
 | |
| 			Cg= clip_yuvtab_1a1e[V+ 256] + yuvtab_0c92[U+ 256];
 | |
| 			Cr= clip_yuvtab_3343[V+ 256];
 | |
| 
 | |
| 			((uint16_t*)dest)[2*i] =
 | |
| 				clip_table15b[(Y1 + Cb + ditherb1) >>13] |
 | |
| 				clip_table15g[(Y1 + Cg + ditherg1) >>13] |
 | |
| 				clip_table15r[(Y1 + Cr + ditherr1) >>13];
 | |
| 
 | |
| 			((uint16_t*)dest)[2*i+1] =
 | |
| 				clip_table15b[(Y2 + Cb + ditherb2) >>13] |
 | |
| 				clip_table15g[(Y2 + Cg + ditherg2) >>13] |
 | |
| 				clip_table15r[(Y2 + Cr + ditherr2) >>13];
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| 
 | |
| //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);
 | |
| }
 | |
| 
 | |
| // 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=0;
 | |
| 	static int firstTime=1;
 | |
| 
 | |
| #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;
 | |
| 		default:flags|= SWS_BILINEAR; break;
 | |
| 	}
 | |
| 
 | |
| 	return getSwsContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, &src_filter, NULL);
 | |
| }
 | |
| 
 | |
| 
 | |
| 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_FAST_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 
 | |
| //		printf("%d %d %d\n", filterSize, srcW, dstW);
 | |
| 		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;
 | |
| 			if((flags & SWS_BICUBIC) || (flags & SWS_X))
 | |
| 			{
 | |
| 				double d= ABS(((xx+1)<<16) - xDstInSrc)/(double)(1<<16);
 | |
| 				double y1,y2,y3,y4;
 | |
| 				double A= -0.6;
 | |
| 				if(flags & SWS_BICUBIC){
 | |
| 						// Equation is from VirtualDub
 | |
| 					y1 = (        +     A*d -       2.0*A*d*d +       A*d*d*d);
 | |
| 					y2 = (+ 1.0             -     (A+3.0)*d*d + (A+2.0)*d*d*d);
 | |
| 					y3 = (        -     A*d + (2.0*A+3.0)*d*d - (A+2.0)*d*d*d);
 | |
| 					y4 = (                  +           A*d*d -       A*d*d*d);
 | |
| 				}else{
 | |
| 						// cubic interpolation (derived it myself)
 | |
| 					y1 = (    -2.0*d + 3.0*d*d - 1.0*d*d*d)/6.0;
 | |
| 					y2 = (6.0 -3.0*d - 6.0*d*d + 3.0*d*d*d)/6.0;
 | |
| 					y3 = (    +6.0*d + 3.0*d*d - 3.0*d*d*d)/6.0;
 | |
| 					y4 = (    -1.0*d           + 1.0*d*d*d)/6.0;
 | |
| 				}
 | |
| 
 | |
| //				printf("%d %d %d \n", coeff, (int)d, xDstInSrc);
 | |
| 				filter[i*filterSize + 0]= y1;
 | |
| 				filter[i*filterSize + 1]= y2;
 | |
| 				filter[i*filterSize + 2]= y3;
 | |
| 				filter[i*filterSize + 3]= y4;
 | |
| //				printf("%1.3f %1.3f %1.3f %1.3f %1.3f\n",d , y1, y2, y3, y4);
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				//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;
 | |
| 	//				printf("%d %d %d \n", coeff, (int)d, xDstInSrc);
 | |
| 					filter[i*filterSize + j]= coeff;
 | |
| 					xx++;
 | |
| 				}
 | |
| 			}
 | |
| 			xDstInSrc+= xInc;
 | |
| 		}
 | |
| 	}
 | |
| 	else // downscale
 | |
| 	{
 | |
| 		int xDstInSrc;
 | |
| 		ASSERT(dstW <= srcW)
 | |
| 
 | |
| 		if(flags&SWS_BICUBIC)	filterSize= (int)ceil(1 + 4.0*srcW / (double)dstW);
 | |
| 		else if(flags&SWS_X)	filterSize= (int)ceil(1 + 4.0*srcW / (double)dstW);
 | |
| 		else if(flags&SWS_AREA)	filterSize= (int)ceil(1 + 1.0*srcW / (double)dstW);
 | |
| 		else /* BILINEAR */	filterSize= (int)ceil(1 + 2.0*srcW / (double)dstW);
 | |
| //		printf("%d %d %d\n", *filterSize, srcW, dstW);
 | |
| 		filter= (double*)memalign(8, dstW*sizeof(double)*filterSize);
 | |
| 
 | |
| 		xDstInSrc= xInc/2 - 0x8000;
 | |
| 		for(i=0; i<dstW; i++)
 | |
| 		{
 | |
| 			int xx= (int)((double)xDstInSrc/(double)(1<<16) - (filterSize-1)*0.5 + 0.5);
 | |
| 			int j;
 | |
| 			(*filterPos)[i]= xx;
 | |
| 			for(j=0; j<filterSize; j++)
 | |
| 			{
 | |
| 				double d= ABS((xx<<16) - xDstInSrc)/(double)xInc;
 | |
| 				double coeff;
 | |
| 				if((flags & SWS_BICUBIC) || (flags & SWS_X))
 | |
| 				{
 | |
| 					double A= -0.75;
 | |
| //					d*=2;
 | |
| 					// 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_AREA)
 | |
| 				{
 | |
| 					double srcPixelSize= (1<<16)/(double)xInc;
 | |
| 					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
 | |
| 				{
 | |
| 					coeff= 1.0 - d;
 | |
| 					if(coeff<0) coeff=0;
 | |
| 				}
 | |
| //				printf("%1.3f %2.3f %d \n", coeff, d, xDstInSrc);
 | |
| 				filter[i*filterSize + j]= coeff;
 | |
| 				xx++;
 | |
| 			}
 | |
| 			xDstInSrc+= xInc;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	/* 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)
 | |
| 		mp_msg(MSGT_SWS,MSGL_V,"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<filterSize; 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;
 | |
| 	yuvtab_2568[c]= clip_yuvtab_2568[i]=(0x2568*(c-16))+(256<<13);
 | |
| 	yuvtab_3343[c]= clip_yuvtab_3343[i]=0x3343*(c-128);
 | |
| 	yuvtab_0c92[c]= clip_yuvtab_0c92[i]=-0x0c92*(c-128);
 | |
| 	yuvtab_1a1e[c]= clip_yuvtab_1a1e[i]=-0x1a1e*(c-128);
 | |
| 	yuvtab_40cf[c]= clip_yuvtab_40cf[i]=0x40cf*(c-128);
 | |
|     }
 | |
| 
 | |
|     for(i=0; i<768; i++)
 | |
|     {
 | |
| 	int v= clip_table[i];
 | |
| 	clip_table16b[i]=  v>>3;
 | |
| 	clip_table16g[i]= (v<<3)&0x07E0;
 | |
| 	clip_table16r[i]= (v<<8)&0xF800;
 | |
| 	clip_table15b[i]=  v>>3;
 | |
| 	clip_table15g[i]= (v<<2)&0x03E0;
 | |
| 	clip_table15r[i]= (v<<7)&0x7C00;
 | |
|     }
 | |
| 
 | |
| 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
 | |
| }
 | |
| 
 | |
| /* 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 bgr24to32Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
 | |
|              int srcSliceH, uint8_t* dst[], int dstStride[]){
 | |
| 	
 | |
| 	if(dstStride[0]*3==srcStride[0]*4)
 | |
| 		rgb24to32(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++)
 | |
| 		{
 | |
| 			rgb24to32(srcPtr, dstPtr, c->srcW*3);
 | |
| 			srcPtr+= srcStride[0];
 | |
| 			dstPtr+= dstStride[0];
 | |
| 		}
 | |
| 	}     
 | |
| }
 | |
| 
 | |
| static void bgr32to24Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
 | |
|              int srcSliceH, uint8_t* dst[], int dstStride[]){
 | |
| 	
 | |
| 	if(dstStride[0]*4==srcStride[0]*3)
 | |
| 		rgb32to24(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++)
 | |
| 		{
 | |
| 			rgb32to24(srcPtr, dstPtr, c->srcW<<2);
 | |
| 			srcPtr+= srcStride[0];
 | |
| 			dstPtr+= dstStride[0];
 | |
| 		}
 | |
| 	}     
 | |
| }
 | |
| 
 | |
| static void bgr15to16Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
 | |
|              int srcSliceH, uint8_t* dst[], int dstStride[]){
 | |
| 	
 | |
| 	if(dstStride[0]==srcStride[0])
 | |
| 		rgb15to16(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++)
 | |
| 		{
 | |
| 			rgb15to16(srcPtr, dstPtr, c->srcW<<1);
 | |
| 			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]);
 | |
| }
 | |
| 
 | |
| 
 | |
| /* 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 dstStride[]){
 | |
| 
 | |
| 	int srcStride[3];
 | |
| 	uint8_t *src[3];
 | |
| 	uint8_t *dst[3];
 | |
| 
 | |
| 	if(c->srcFormat == IMGFMT_I420){
 | |
| 		src[0]= srcParam[0];
 | |
| 		src[1]= srcParam[2];
 | |
| 		src[2]= srcParam[1];
 | |
| 		srcStride[0]= srcStrideParam[0];
 | |
| 		srcStride[1]= srcStrideParam[2];
 | |
| 		srcStride[2]= srcStrideParam[1];
 | |
| 	}
 | |
| 	else if(c->srcFormat==IMGFMT_YV12){
 | |
| 		src[0]= srcParam[0];
 | |
| 		src[1]= srcParam[1];
 | |
| 		src[2]= srcParam[2];
 | |
| 		srcStride[0]= srcStrideParam[0];
 | |
| 		srcStride[1]= srcStrideParam[1];
 | |
| 		srcStride[2]= srcStrideParam[2];
 | |
| 	}
 | |
| 	else if(isPacked(c->srcFormat) || isGray(c->srcFormat)){
 | |
| 		src[0]= srcParam[0];
 | |
| 		src[1]=
 | |
| 		src[2]= NULL;
 | |
| 		srcStride[0]= srcStrideParam[0];
 | |
| 		srcStride[1]=
 | |
| 		srcStride[2]= 0;
 | |
| 	}
 | |
| 
 | |
| 	if(c->dstFormat == IMGFMT_I420){
 | |
| 		dst[0]= dstParam[0];
 | |
| 		dst[1]= dstParam[2];
 | |
| 		dst[2]= dstParam[1];
 | |
| 		
 | |
| 	}else{
 | |
| 		dst[0]= dstParam[0];
 | |
| 		dst[1]= dstParam[1];
 | |
| 		dst[2]= dstParam[2];
 | |
| 	}
 | |
| 
 | |
| 	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 */
 | |
| 		int plane;
 | |
| 		for(plane=0; plane<3; plane++)
 | |
| 		{
 | |
| 			int length= plane==0 ? c->srcW  : ((c->srcW+1)>>1);
 | |
| 			int y=      plane==0 ? srcSliceY: ((srcSliceY+1)>>1);
 | |
| 			int height= plane==0 ? srcSliceH: ((srcSliceH+1)>>1);
 | |
| 
 | |
| 			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];
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| 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;
 | |
| 	SwsFilter dummyFilter= {NULL, NULL, NULL, NULL};
 | |
| 
 | |
| #ifdef ARCH_X86
 | |
| 	if(gCpuCaps.hasMMX)
 | |
| 		asm volatile("emms\n\t"::: "memory");
 | |
| #endif
 | |
| 
 | |
| 	if(swScale==NULL) globalInit();
 | |
| 
 | |
| 	/* avoid dupplicate Formats, so we dont need to check to much */
 | |
| 	if(srcFormat==IMGFMT_IYUV) srcFormat=IMGFMT_I420;
 | |
| 	if(srcFormat==IMGFMT_Y8)   srcFormat=IMGFMT_Y800;
 | |
| 	if(dstFormat==IMGFMT_Y8)   dstFormat=IMGFMT_Y800;
 | |
| 
 | |
| 	if(!isSupportedIn(srcFormat)) 
 | |
| 	{
 | |
| 		mp_msg(MSGT_SWS,MSGL_ERR,"swScaler: %s is not supported as input format\n", vo_format_name(srcFormat));
 | |
| 		return NULL;
 | |
| 	}
 | |
| 	if(!isSupportedOut(dstFormat))
 | |
| 	{
 | |
| 		 mp_msg(MSGT_SWS,MSGL_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
 | |
| 	{
 | |
| 		 mp_msg(MSGT_SWS,MSGL_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;
 | |
| 
 | |
| 	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;
 | |
| 	
 | |
| 	/* unscaled special Cases */
 | |
| 	if(srcW==dstW && srcH==dstH && !usesFilter)
 | |
| 	{
 | |
| 		/* yuv2bgr */
 | |
| 		if(isPlanarYUV(srcFormat) && isBGR(dstFormat))
 | |
| 		{
 | |
| 			// FIXME multiple yuv2rgb converters wont work that way cuz that thing is full of globals&statics
 | |
| #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)
 | |
| 				mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using unscaled %s -> %s special converter\n", 
 | |
| 					vo_format_name(srcFormat), vo_format_name(dstFormat));
 | |
| 			return c;
 | |
| 		}
 | |
| 
 | |
| 		/* simple copy */
 | |
| 		if(srcFormat == dstFormat || (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat)))
 | |
| 		{
 | |
| 			c->swScale= simpleCopy;
 | |
| 
 | |
| 			if(flags&SWS_PRINT_INFO)
 | |
| 				mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using unscaled %s -> %s special converter\n", 
 | |
| 					vo_format_name(srcFormat), vo_format_name(dstFormat));
 | |
| 			return c;
 | |
| 		}
 | |
| 		
 | |
| 		/* bgr32to24 & rgb32to24*/
 | |
| 		if((srcFormat==IMGFMT_BGR32 && dstFormat==IMGFMT_BGR24)
 | |
| 		 ||(srcFormat==IMGFMT_RGB32 && dstFormat==IMGFMT_RGB24))
 | |
| 		{
 | |
| 			c->swScale= bgr32to24Wrapper;
 | |
| 
 | |
| 			if(flags&SWS_PRINT_INFO)
 | |
| 				mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using unscaled %s -> %s special converter\n", 
 | |
| 					vo_format_name(srcFormat), vo_format_name(dstFormat));
 | |
| 			return c;
 | |
| 		}
 | |
| 		
 | |
| 		/* bgr24to32 & rgb24to32*/
 | |
| 		if((srcFormat==IMGFMT_BGR24 && dstFormat==IMGFMT_BGR32)
 | |
| 		 ||(srcFormat==IMGFMT_RGB24 && dstFormat==IMGFMT_RGB32))
 | |
| 		{
 | |
| 			c->swScale= bgr24to32Wrapper;
 | |
| 
 | |
| 			if(flags&SWS_PRINT_INFO)
 | |
| 				mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using unscaled %s -> %s special converter\n", 
 | |
| 					vo_format_name(srcFormat), vo_format_name(dstFormat));
 | |
| 			return c;
 | |
| 		}
 | |
| 
 | |
| 		/* bgr15to16 */
 | |
| 		if(srcFormat==IMGFMT_BGR15 && dstFormat==IMGFMT_BGR16)
 | |
| 		{
 | |
| 			c->swScale= bgr15to16Wrapper;
 | |
| 
 | |
| 			if(flags&SWS_PRINT_INFO)
 | |
| 				mp_msg(MSGT_SWS,MSGL_V,"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;
 | |
| 
 | |
| 			if(flags&SWS_PRINT_INFO)
 | |
| 				mp_msg(MSGT_SWS,MSGL_V,"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)
 | |
| 				mp_msg(MSGT_SWS,MSGL_WARN,"SwScaler: output Width is not a multiple of 32 -> no MMX2 scaler\n");
 | |
| 		}
 | |
| 	}
 | |
| 	else
 | |
| 		c->canMMX2BeUsed=0;
 | |
| 
 | |
| 
 | |
| 	/* dont use full vertical UV input/internaly if the source doesnt even have it */
 | |
| 	if(isHalfChrV(srcFormat)) c->flags= flags= flags&(~SWS_FULL_CHR_V);
 | |
| 	/* dont use full horizontal UV input if the source doesnt even have it */
 | |
| 	if(isHalfChrH(srcFormat)) c->flags= flags= flags&(~SWS_FULL_CHR_H_INP);
 | |
| 	/* dont use full horizontal UV internally if the destination doesnt even have it */
 | |
| 	if(isHalfChrH(dstFormat)) c->flags= flags= flags&(~SWS_FULL_CHR_H_INT);
 | |
| 
 | |
| 	if(flags&SWS_FULL_CHR_H_INP)	c->chrSrcW= srcW;
 | |
| 	else				c->chrSrcW= (srcW+1)>>1;
 | |
| 
 | |
| 	if(flags&SWS_FULL_CHR_H_INT)	c->chrDstW= dstW;
 | |
| 	else				c->chrDstW= (dstW+1)>>1;
 | |
| 
 | |
| 	if(flags&SWS_FULL_CHR_V)	c->chrSrcH= srcH;
 | |
| 	else				c->chrSrcH= (srcH+1)>>1;
 | |
| 
 | |
| 	if(isHalfChrV(dstFormat))	c->chrDstH= (dstH+1)>>1;
 | |
| 	else				c->chrDstH= dstH;
 | |
| 
 | |
| 	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,
 | |
| 				 srcFilter->lumH, dstFilter->lumH);
 | |
| 		initFilter(&c->hChrFilter, &c->hChrFilterPos, &c->hChrFilterSize, c->chrXInc,
 | |
| 				(srcW+1)>>1, c->chrDstW, filterAlign, 1<<14, 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,
 | |
| 			srcFilter->lumV, dstFilter->lumV);
 | |
| 	initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize, c->chrYInc,
 | |
| 			(srcH+1)>>1, c->chrDstH, 1, (1<<12)-4, 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)<<1));
 | |
| 		nextSlice&= ~1; // Slices start at even boundaries
 | |
| 		if(c->vLumFilterPos[i   ] + c->vLumBufSize < nextSlice)
 | |
| 			c->vLumBufSize= nextSlice - c->vLumFilterPos[i   ];
 | |
| 		if(c->vChrFilterPos[chrI] + c->vChrBufSize < (nextSlice>>1))
 | |
| 			c->vChrBufSize= (nextSlice>>1) - 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)
 | |
| 
 | |
| 	// pack filter data for mmx code
 | |
| 	if(cpuCaps.hasMMX)
 | |
| 	{
 | |
| 		c->lumMmxFilter= (int16_t*)memalign(8, c->vLumFilterSize*      dstH*4*sizeof(int16_t));
 | |
| 		c->chrMmxFilter= (int16_t*)memalign(8, c->vChrFilterSize*c->chrDstH*4*sizeof(int16_t));
 | |
| 		for(i=0; i<c->vLumFilterSize*dstH; i++)
 | |
| 			c->lumMmxFilter[4*i]=c->lumMmxFilter[4*i+1]=c->lumMmxFilter[4*i+2]=c->lumMmxFilter[4*i+3]=
 | |
| 				c->vLumFilter[i];
 | |
| 		for(i=0; i<c->vChrFilterSize*c->chrDstH; i++)
 | |
| 			c->chrMmxFilter[4*i]=c->chrMmxFilter[4*i+1]=c->chrMmxFilter[4*i+2]=c->chrMmxFilter[4*i+3]=
 | |
| 				c->vChrFilter[i];
 | |
| 	}
 | |
| 
 | |
| 	if(flags&SWS_PRINT_INFO)
 | |
| 	{
 | |
| #ifdef DITHER1XBPP
 | |
| 		char *dither= " dithered";
 | |
| #else
 | |
| 		char *dither= "";
 | |
| #endif
 | |
| 		if(flags&SWS_FAST_BILINEAR)
 | |
| 			mp_msg(MSGT_SWS,MSGL_INFO,"SwScaler: FAST_BILINEAR scaler, ");
 | |
| 		else if(flags&SWS_BILINEAR)
 | |
| 			mp_msg(MSGT_SWS,MSGL_INFO,"SwScaler: BILINEAR scaler, ");
 | |
| 		else if(flags&SWS_BICUBIC)
 | |
| 			mp_msg(MSGT_SWS,MSGL_INFO,"SwScaler: BICUBIC scaler, ");
 | |
| 		else if(flags&SWS_X)
 | |
| 			mp_msg(MSGT_SWS,MSGL_INFO,"SwScaler: Experimental scaler, ");
 | |
| 		else if(flags&SWS_POINT)
 | |
| 			mp_msg(MSGT_SWS,MSGL_INFO,"SwScaler: Nearest Neighbor / POINT scaler, ");
 | |
| 		else if(flags&SWS_AREA)
 | |
| 			mp_msg(MSGT_SWS,MSGL_INFO,"SwScaler: Area Averageing scaler, ");
 | |
| 		else
 | |
| 			mp_msg(MSGT_SWS,MSGL_INFO,"SwScaler: ehh flags invalid?! ");
 | |
| 
 | |
| 		mp_msg(MSGT_SWS,MSGL_INFO,"%dx%d %s -> %dx%d%s %s ", 
 | |
| 			srcW,srcH, vo_format_name(srcFormat), dstW,dstH,
 | |
| 			(dstFormat==IMGFMT_BGR15 || dstFormat==IMGFMT_BGR16) ?
 | |
| 			dither : "", vo_format_name(dstFormat));
 | |
| 
 | |
| 		if(cpuCaps.hasMMX2)
 | |
| 			mp_msg(MSGT_SWS,MSGL_INFO,"using MMX2\n");
 | |
| 		else if(cpuCaps.has3DNow)
 | |
| 			mp_msg(MSGT_SWS,MSGL_INFO,"using 3DNOW\n");
 | |
| 		else if(cpuCaps.hasMMX)
 | |
| 			mp_msg(MSGT_SWS,MSGL_INFO,"using MMX\n");
 | |
| 		else
 | |
| 			mp_msg(MSGT_SWS,MSGL_INFO,"using C\n");
 | |
| 	}
 | |
| 
 | |
| 	if((flags & SWS_PRINT_INFO) && verbose)
 | |
| 	{
 | |
| 		if(cpuCaps.hasMMX)
 | |
| 		{
 | |
| 			if(c->canMMX2BeUsed && (flags&SWS_FAST_BILINEAR))
 | |
| 				mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using FAST_BILINEAR MMX2 scaler for horizontal scaling\n");
 | |
| 			else
 | |
| 			{
 | |
| 				if(c->hLumFilterSize==4)
 | |
| 					mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using 4-tap MMX scaler for horizontal luminance scaling\n");
 | |
| 				else if(c->hLumFilterSize==8)
 | |
| 					mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using 8-tap MMX scaler for horizontal luminance scaling\n");
 | |
| 				else
 | |
| 					mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using n-tap MMX scaler for horizontal luminance scaling\n");
 | |
| 
 | |
| 				if(c->hChrFilterSize==4)
 | |
| 					mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using 4-tap MMX scaler for horizontal chrominance scaling\n");
 | |
| 				else if(c->hChrFilterSize==8)
 | |
| 					mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using 8-tap MMX scaler for horizontal chrominance scaling\n");
 | |
| 				else
 | |
| 					mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using n-tap MMX scaler for horizontal chrominance scaling\n");
 | |
| 			}
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| #ifdef ARCH_X86
 | |
| 			mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using X86-Asm scaler for horizontal scaling\n");
 | |
| #else
 | |
| 			if(flags & SWS_FAST_BILINEAR)
 | |
| 				mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using FAST_BILINEAR C scaler for horizontal scaling\n");
 | |
| 			else
 | |
| 				mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using C scaler for horizontal scaling\n");
 | |
| #endif
 | |
| 		}
 | |
| 		if(isPlanarYUV(dstFormat))
 | |
| 		{
 | |
| 			if(c->vLumFilterSize==1)
 | |
| 				mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using 1-tap %s \"scaler\" for vertical scaling (YV12 like)\n", cpuCaps.hasMMX ? "MMX" : "C");
 | |
| 			else
 | |
| 				mp_msg(MSGT_SWS,MSGL_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)
 | |
| 				mp_msg(MSGT_SWS,MSGL_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)
 | |
| 				mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using 2-tap linear %s scaler for vertical scaling (BGR)\n", cpuCaps.hasMMX ? "MMX" : "C");
 | |
| 			else
 | |
| 				mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using n-tap %s scaler for vertical scaling (BGR)\n", cpuCaps.hasMMX ? "MMX" : "C");
 | |
| 		}
 | |
| 
 | |
| 		if(dstFormat==IMGFMT_BGR24)
 | |
| 			mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using %s YV12->BGR24 Converter\n",
 | |
| 				cpuCaps.hasMMX2 ? "MMX2" : (cpuCaps.hasMMX ? "MMX" : "C"));
 | |
| 		else if(dstFormat==IMGFMT_BGR32)
 | |
| 			mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using %s YV12->BGR32 Converter\n", cpuCaps.hasMMX ? "MMX" : "C");
 | |
| 		else if(dstFormat==IMGFMT_BGR16)
 | |
| 			mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using %s YV12->BGR16 Converter\n", cpuCaps.hasMMX ? "MMX" : "C");
 | |
| 		else if(dstFormat==IMGFMT_BGR15)
 | |
| 			mp_msg(MSGT_SWS,MSGL_V,"SwScaler: using %s YV12->BGR15 Converter\n", cpuCaps.hasMMX ? "MMX" : "C");
 | |
| 
 | |
| 		mp_msg(MSGT_SWS,MSGL_V,"SwScaler: %dx%d -> %dx%d\n", srcW, srcH, dstW, dstH);
 | |
| 	}
 | |
| 	if((flags & SWS_PRINT_INFO) && verbose>1)
 | |
| 	{
 | |
| 		mp_msg(MSGT_SWS,MSGL_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);
 | |
| 		mp_msg(MSGT_SWS,MSGL_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]*= height;
 | |
| }
 | |
| 
 | |
| 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);
 | |
| 		printf("%1.3f ", a->coeff[i]);
 | |
| 		for(;x>0; x--) printf(" ");
 | |
| 		printf("|\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->lumMmxFilter) free(c->lumMmxFilter);
 | |
| 	c->lumMmxFilter = NULL;
 | |
| 	if(c->chrMmxFilter) free(c->chrMmxFilter);
 | |
| 	c->chrMmxFilter = 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;
 | |
| 
 | |
| 	free(c);
 | |
| }
 | |
| 
 | |
| 
 |