mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
removed global vars so that multiple swscalers can be used
experimental upscaling mode (-sws 3) general convolution filters support (unfinished) bugfix for bicubic upscaling assertion checking if defined MP_DEBUG checking of the input/output size instead of segfault if its very large Originally committed as revision 4277 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer
parent
cbf5fa71c9
commit
28bf81c90d
@ -5,6 +5,11 @@
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// current version mostly by Michael Niedermayer (michaelni@gmx.at)
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// the parts written by michael are under GNU GPL
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/*
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supported Input formats: YV12 (grayscale soon too)
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supported output formats: YV12, BGR15, BGR16, BGR24, BGR32 (grayscale soon too)
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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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@ -16,6 +21,7 @@
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#endif
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#include "swscale.h"
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#include "../cpudetect.h"
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#include "../libvo/img_format.h"
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#undef MOVNTQ
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#undef PAVGB
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@ -23,14 +29,20 @@
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//#undef HAVE_MMX
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//#undef ARCH_X86
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#define DITHER1XBPP
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int fullUVIpol=0;
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//disables the unscaled height version
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int allwaysIpol=0;
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#define RET 0xC3 //near return opcode
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//#define ASSERT(x) if(!(x)) { printf("ASSERT " #x " failed\n"); *((int*)0)=0; }
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#ifdef MP_DEBUG
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#define ASSERT(x) if(!(x)) { printf("ASSERT " #x " failed\n"); *((int*)0)=0; }
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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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extern int verbose; // defined in mplayer.c
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/*
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@ -50,7 +62,6 @@ change the distance of the u & v buffer
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Move static / global vars into a struct so multiple scalers can be used
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write special vertical cubic upscale version
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Optimize C code (yv12 / minmax)
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dstStride[3]
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*/
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#define ABS(a) ((a) > 0 ? (a) : (-(a)))
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@ -101,39 +112,9 @@ 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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static uint64_t __attribute__((aligned(8))) temp0;
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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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static int16_t __attribute__((aligned(8))) *lumPixBuf[2000];
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static int16_t __attribute__((aligned(8))) *chrPixBuf[2000];
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static int16_t __attribute__((aligned(8))) hLumFilter[8000];
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static int16_t __attribute__((aligned(8))) hLumFilterPos[2000];
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static int16_t __attribute__((aligned(8))) hChrFilter[8000];
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static int16_t __attribute__((aligned(8))) hChrFilterPos[2000];
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static int16_t __attribute__((aligned(8))) vLumFilter[8000];
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static int16_t __attribute__((aligned(8))) vLumFilterPos[2000];
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static int16_t __attribute__((aligned(8))) vChrFilter[8000];
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static int16_t __attribute__((aligned(8))) vChrFilterPos[2000];
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// Contain simply the values from v(Lum|Chr)Filter just nicely packed for mmx
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//FIXME these are very likely too small / 8000 caused problems with 480x480
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static int16_t __attribute__((aligned(8))) lumMmxFilter[16000];
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static int16_t __attribute__((aligned(8))) chrMmxFilter[16000];
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#else
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static int16_t *lumPixBuf[2000];
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static int16_t *chrPixBuf[2000];
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static int16_t hLumFilter[8000];
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static int16_t hLumFilterPos[2000];
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static int16_t hChrFilter[8000];
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static int16_t hChrFilterPos[2000];
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static int16_t vLumFilter[8000];
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static int16_t vLumFilterPos[2000];
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static int16_t vChrFilter[8000];
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static int16_t vChrFilterPos[2000];
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//FIXME just dummy vars
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static int16_t lumMmxFilter[1];
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static int16_t chrMmxFilter[1];
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#endif
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// clipping helper table for C implementations:
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@ -159,28 +140,22 @@ 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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static int hLumFilterSize=0;
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static int hChrFilterSize=0;
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static int vLumFilterSize=0;
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static int vChrFilterSize=0;
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static int vLumBufSize=0;
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static int vChrBufSize=0;
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//global sws_flags from the command line
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int sws_flags=0;
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#ifdef CAN_COMPILE_X86_ASM
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static uint8_t funnyYCode[10000];
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static uint8_t funnyUVCode[10000];
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#endif
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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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static int canMMX2BeUsed=0;
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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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#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+temp0+asm_yalpha1+ asm_uvalpha1+
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M24A+M24B+M24C+w02 + funnyYCode[0]+ funnyUVCode[0]+b5Dither+g5Dither+r5Dither+g6Dither+dither4[0]+dither8[0];
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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];
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if(i) i=0;
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}
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#endif
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@ -220,9 +195,9 @@ static inline void yuv2yuvXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilt
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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 dstbpp)
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uint8_t *dest, int dstW, int dstFormat)
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{
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if(dstbpp==32)
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if(dstFormat==IMGFMT_BGR32)
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{
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int i;
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for(i=0; i<(dstW>>1); i++){
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@ -260,7 +235,7 @@ static inline void yuv2rgbXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilt
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dest[8*i+6]=clip_table[((Y2 + Cr) >>13)];
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}
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}
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else if(dstbpp==24)
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else if(dstFormat==IMGFMT_BGR24)
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{
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int i;
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for(i=0; i<(dstW>>1); i++){
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@ -299,7 +274,7 @@ static inline void yuv2rgbXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilt
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dest+=6;
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}
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}
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else if(dstbpp==16)
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else if(dstFormat==IMGFMT_BGR16)
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{
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int i;
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for(i=0; i<(dstW>>1); i++){
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@ -339,7 +314,7 @@ static inline void yuv2rgbXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilt
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clip_table16r[(Y2 + Cr) >>13];
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}
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}
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else if(dstbpp==15)
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else if(dstFormat==IMGFMT_BGR15)
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{
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int i;
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for(i=0; i<(dstW>>1); i++){
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@ -467,42 +442,320 @@ static inline void yuv2rgbXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilt
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// minor note: the HAVE_xyz is messed up after that line so dont use it
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// *** bilinear scaling and yuv->rgb or yuv->yuv conversion of yv12 slices:
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// *** Note: it's called multiple times while decoding a frame, first time y==0
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// switching the cpu type during a sliced drawing can have bad effects, like sig11
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void SwScale_YV12slice(unsigned char* srcptr[],int stride[], int srcSliceY ,
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int srcSliceH, uint8_t* dstptr[], int dststride, int dstbpp,
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// old global scaler, dont use for new code
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// will use sws_flags from the command line
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void SwScale_YV12slice(unsigned char* src[], int srcStride[], int srcSliceY ,
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int srcSliceH, uint8_t* dst[], int dstStride, int dstbpp,
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int srcW, int srcH, int dstW, int dstH){
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#ifdef RUNTIME_CPUDETECT
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#ifdef CAN_COMPILE_X86_ASM
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// ordered per speed fasterst first
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if(gCpuCaps.hasMMX2)
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SwScale_YV12slice_MMX2(srcptr, stride, srcSliceY, srcSliceH, dstptr, dststride, dstbpp, srcW, srcH, dstW, dstH);
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else if(gCpuCaps.has3DNow)
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SwScale_YV12slice_3DNow(srcptr, stride, srcSliceY, srcSliceH, dstptr, dststride, dstbpp, srcW, srcH, dstW, dstH);
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else if(gCpuCaps.hasMMX)
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SwScale_YV12slice_MMX(srcptr, stride, srcSliceY, srcSliceH, dstptr, dststride, dstbpp, srcW, srcH, dstW, dstH);
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else
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SwScale_YV12slice_C(srcptr, stride, srcSliceY, srcSliceH, dstptr, dststride, dstbpp, srcW, srcH, dstW, dstH);
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#else
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SwScale_YV12slice_C(srcptr, stride, srcSliceY, srcSliceH, dstptr, dststride, dstbpp, srcW, srcH, dstW, dstH);
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#endif
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#else //RUNTIME_CPUDETECT
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#ifdef HAVE_MMX2
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SwScale_YV12slice_MMX2(srcptr, stride, srcSliceY, srcSliceH, dstptr, dststride, dstbpp, srcW, srcH, dstW, dstH);
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#elif defined (HAVE_3DNOW)
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SwScale_YV12slice_3DNow(srcptr, stride, srcSliceY, srcSliceH, dstptr, dststride, dstbpp, srcW, srcH, dstW, dstH);
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#elif defined (HAVE_MMX)
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SwScale_YV12slice_MMX(srcptr, stride, srcSliceY, srcSliceH, dstptr, dststride, dstbpp, srcW, srcH, dstW, dstH);
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#else
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SwScale_YV12slice_C(srcptr, stride, srcSliceY, srcSliceH, dstptr, dststride, dstbpp, srcW, srcH, dstW, dstH);
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#endif
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#endif //!RUNTIME_CPUDETECT
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static SwsContext *context=NULL;
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int dstFormat;
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int flags=0;
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static int firstTime=1;
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int dstStride3[3]= {dstStride, dstStride>>1, dstStride>>1};
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if(firstTime)
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{
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flags= SWS_PRINT_INFO;
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firstTime=0;
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}
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switch(dstbpp)
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{
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case 8 : dstFormat= IMGFMT_Y8; break;
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case 12: dstFormat= IMGFMT_YV12; break;
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case 15: dstFormat= IMGFMT_BGR15; break;
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case 16: dstFormat= IMGFMT_BGR16; break;
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case 24: dstFormat= IMGFMT_BGR24; break;
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case 32: dstFormat= IMGFMT_BGR32; break;
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default: return;
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}
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switch(sws_flags)
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{
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case 0: flags|= SWS_FAST_BILINEAR; break;
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case 1: flags|= SWS_BILINEAR; break;
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case 2: flags|= SWS_BICUBIC; break;
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case 3: flags|= SWS_X; break;
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default:flags|= SWS_BILINEAR; break;
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}
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if(!context) context=getSwsContext(srcW, srcH, IMGFMT_YV12, dstW, dstH, dstFormat, flags, NULL, NULL);
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swScale(context, src, srcStride, srcSliceY, srcSliceH, dst, dstStride3);
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}
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static inline void initFilter(int16_t *dstFilter, int16_t *filterPos, int *filterSize, int xInc,
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int srcW, int dstW, int filterAlign, int one, int flags)
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{
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int i;
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double filter[10000];
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#ifdef ARCH_X86
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if(gCpuCaps.hasMMX)
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asm volatile("emms\n\t"::: "memory"); //FIXME this shouldnt be required but it IS (even for non mmx versions)
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#endif
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if(ABS(xInc - 0x10000) <10) // unscaled
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{
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int i;
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*filterSize= (1 +(filterAlign-1)) & (~(filterAlign-1)); // 1 or 4 normaly
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for(i=0; i<dstW*(*filterSize); i++) filter[i]=0;
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for(i=0; i<dstW; i++)
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{
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filter[i*(*filterSize)]=1;
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filterPos[i]=i;
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}
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}
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else if(xInc <= (1<<16) || (flags&SWS_FAST_BILINEAR)) // upscale
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{
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int i;
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int xDstInSrc;
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if (flags&SWS_BICUBIC) *filterSize= 4;
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else if(flags&SWS_X ) *filterSize= 4;
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else *filterSize= 2;
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// printf("%d %d %d\n", filterSize, srcW, dstW);
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*filterSize= (*filterSize +(filterAlign-1)) & (~(filterAlign-1));
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xDstInSrc= xInc/2 - 0x8000;
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for(i=0; i<dstW; i++)
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{
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int xx= (xDstInSrc>>16) - (*filterSize>>1) + 1;
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int j;
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filterPos[i]= xx;
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if((flags & SWS_BICUBIC) || (flags & SWS_X))
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{
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double d= ABS(((xx+1)<<16) - xDstInSrc)/(double)(1<<16);
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double y1,y2,y3,y4;
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double A= -0.6;
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if(flags & SWS_BICUBIC){
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// Equation is from VirtualDub
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y1 = ( + A*d - 2.0*A*d*d + A*d*d*d);
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y2 = (+ 1.0 - (A+3.0)*d*d + (A+2.0)*d*d*d);
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y3 = ( - A*d + (2.0*A+3.0)*d*d - (A+2.0)*d*d*d);
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y4 = ( + A*d*d - A*d*d*d);
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}else{
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// cubic interpolation (derived it myself)
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y1 = ( -2.0*d + 3.0*d*d - 1.0*d*d*d)/6.0;
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y2 = (6.0 -3.0*d - 6.0*d*d + 3.0*d*d*d)/6.0;
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y3 = ( +6.0*d + 3.0*d*d - 3.0*d*d*d)/6.0;
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y4 = ( -1.0*d + 1.0*d*d*d)/6.0;
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}
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// printf("%d %d %d \n", coeff, (int)d, xDstInSrc);
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filter[i*(*filterSize) + 0]= y1;
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filter[i*(*filterSize) + 1]= y2;
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filter[i*(*filterSize) + 2]= y3;
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filter[i*(*filterSize) + 3]= y4;
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// printf("%1.3f %1.3f %1.3f %1.3f %1.3f\n",d , y1, y2, y3, y4);
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}
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else
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{
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for(j=0; j<*filterSize; j++)
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{
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double d= ABS((xx<<16) - xDstInSrc)/(double)(1<<16);
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double coeff= 1.0 - d;
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if(coeff<0) coeff=0;
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// printf("%d %d %d \n", coeff, (int)d, xDstInSrc);
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filter[i*(*filterSize) + j]= coeff;
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xx++;
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}
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}
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xDstInSrc+= xInc;
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}
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}
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else // downscale
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{
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int xDstInSrc;
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if(flags&SWS_BICUBIC) *filterSize= (int)ceil(1 + 4.0*srcW / (double)dstW);
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else if(flags&SWS_X) *filterSize= (int)ceil(1 + 4.0*srcW / (double)dstW);
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else *filterSize= (int)ceil(1 + 2.0*srcW / (double)dstW);
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// printf("%d %d %d\n", *filterSize, srcW, dstW);
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*filterSize= (*filterSize +(filterAlign-1)) & (~(filterAlign-1));
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xDstInSrc= xInc/2 - 0x8000;
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for(i=0; i<dstW; i++)
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{
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int xx= (int)((double)xDstInSrc/(double)(1<<16) - ((*filterSize)-1)*0.5 + 0.5);
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int j;
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filterPos[i]= xx;
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for(j=0; j<*filterSize; j++)
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{
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double d= ABS((xx<<16) - xDstInSrc)/(double)xInc;
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double coeff;
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if((flags & SWS_BICUBIC) || (flags & SWS_X))
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{
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double A= -0.75;
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// d*=2;
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// Equation is from VirtualDub
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if(d<1.0)
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coeff = (1.0 - (A+3.0)*d*d + (A+2.0)*d*d*d);
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else if(d<2.0)
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coeff = (-4.0*A + 8.0*A*d - 5.0*A*d*d + A*d*d*d);
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else
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coeff=0.0;
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}
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/* else if(flags & SWS_X)
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{
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}*/
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else
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{
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coeff= 1.0 - d;
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if(coeff<0) coeff=0;
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}
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// printf("%1.3f %d %d \n", coeff, (int)d, xDstInSrc);
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filter[i*(*filterSize) + j]= coeff;
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xx++;
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}
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xDstInSrc+= xInc;
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}
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}
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//fix borders
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for(i=0; i<dstW; i++)
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{
|
||||
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);
|
||||
}
|
||||
}
|
||||
|
||||
//FIXME try to align filterpos if possible / try to shift filterpos to put zeros at the end
|
||||
// and skip these than later
|
||||
|
||||
//Normalize
|
||||
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++)
|
||||
{
|
||||
dstFilter[i*(*filterSize) + j]= (int)(filter[i*(*filterSize) + j]*scale);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef ARCH_X86
|
||||
static void initMMX2HScaler(int dstW, int xInc, uint8_t *funnyCode)
|
||||
{
|
||||
uint8_t *fragment;
|
||||
int imm8OfPShufW1;
|
||||
int imm8OfPShufW2;
|
||||
int fragmentLength;
|
||||
|
||||
int xpos, i;
|
||||
|
||||
// create an optimized horizontal scaling routine
|
||||
|
||||
//code fragment
|
||||
|
||||
asm volatile(
|
||||
"jmp 9f \n\t"
|
||||
// Begin
|
||||
"0: \n\t"
|
||||
"movq (%%esi), %%mm0 \n\t" //FIXME Alignment
|
||||
"movq %%mm0, %%mm1 \n\t"
|
||||
"psrlq $8, %%mm0 \n\t"
|
||||
"punpcklbw %%mm7, %%mm1 \n\t"
|
||||
"movq %%mm2, %%mm3 \n\t"
|
||||
"punpcklbw %%mm7, %%mm0 \n\t"
|
||||
"addw %%bx, %%cx \n\t" //2*xalpha += (4*lumXInc)&0xFFFF
|
||||
"pshufw $0xFF, %%mm1, %%mm1 \n\t"
|
||||
"1: \n\t"
|
||||
"adcl %%edx, %%esi \n\t" //xx+= (4*lumXInc)>>16 + carry
|
||||
"pshufw $0xFF, %%mm0, %%mm0 \n\t"
|
||||
"2: \n\t"
|
||||
"psrlw $9, %%mm3 \n\t"
|
||||
"psubw %%mm1, %%mm0 \n\t"
|
||||
"pmullw %%mm3, %%mm0 \n\t"
|
||||
"paddw %%mm6, %%mm2 \n\t" // 2*alpha += xpos&0xFFFF
|
||||
"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" (fragment), "=r" (imm8OfPShufW1), "=r" (imm8OfPShufW2),
|
||||
"=r" (fragmentLength)
|
||||
);
|
||||
|
||||
xpos= 0; //lumXInc/2 - 0x8000; // difference between pixel centers
|
||||
|
||||
for(i=0; i<dstW/8; 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;
|
||||
|
||||
memcpy(funnyCode + fragmentLength*i/4, fragment, fragmentLength);
|
||||
|
||||
funnyCode[fragmentLength*i/4 + imm8OfPShufW1]=
|
||||
funnyCode[fragmentLength*i/4 + imm8OfPShufW2]=
|
||||
a | (b<<2) | (c<<4) | (d<<6);
|
||||
|
||||
// if we dont need to read 8 bytes than dont :), reduces the chance of
|
||||
// crossing a cache line
|
||||
if(d<3) funnyCode[fragmentLength*i/4 + 1]= 0x6E;
|
||||
|
||||
funnyCode[fragmentLength*(i+4)/4]= RET;
|
||||
}
|
||||
xpos+=xInc;
|
||||
}
|
||||
}
|
||||
#endif // ARCH_X86
|
||||
|
||||
//FIXME remove
|
||||
void SwScale_Init(){
|
||||
}
|
||||
|
||||
static void globalInit(){
|
||||
// generating tables:
|
||||
int i;
|
||||
for(i=0; i<768; i++){
|
||||
@ -517,7 +770,7 @@ void SwScale_Init(){
|
||||
|
||||
for(i=0; i<768; i++)
|
||||
{
|
||||
int v= clip_table[i];
|
||||
int v= clip_table[i];
|
||||
clip_table16b[i]= v>>3;
|
||||
clip_table16g[i]= (v<<3)&0x07E0;
|
||||
clip_table16r[i]= (v<<8)&0xF800;
|
||||
@ -526,5 +779,346 @@ void SwScale_Init(){
|
||||
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
|
||||
}
|
||||
|
||||
|
||||
SwsContext *getSwsContext(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat, int flags,
|
||||
SwsFilter *srcFilter, SwsFilter *dstFilter){
|
||||
|
||||
const int widthAlign= dstFormat==IMGFMT_YV12 ? 16 : 8;
|
||||
SwsContext *c;
|
||||
int i;
|
||||
//const int bytespp= (dstbpp+1)/8; //(12->1, 15&16->2, 24->3, 32->4)
|
||||
//const int over= dstFormat==IMGFMT_YV12 ? (((dstW+15)&(~15))) - dststride
|
||||
// : (((dstW+7)&(~7)))*bytespp - dststride;
|
||||
if(swScale==NULL) globalInit();
|
||||
|
||||
/* sanity check */
|
||||
if(srcW<1 || srcH<1 || dstW<1 || dstH<1) return NULL;
|
||||
if(srcW>=SWS_MAX_SIZE || dstW>=SWS_MAX_SIZE || srcH>=SWS_MAX_SIZE || dstH>=SWS_MAX_SIZE)
|
||||
{
|
||||
fprintf(stderr, "size is too large, increase SWS_MAX_SIZE\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* FIXME
|
||||
if(dstStride[0]%widthAlign !=0 )
|
||||
{
|
||||
if(flags & SWS_PRINT_INFO)
|
||||
fprintf(stderr, "SwScaler: Warning: dstStride is not a multiple of %d!\n"
|
||||
"SwScaler: ->cannot do aligned memory acesses anymore\n",
|
||||
widthAlign);
|
||||
}
|
||||
*/
|
||||
c= memalign(64, sizeof(SwsContext));
|
||||
|
||||
c->srcW= srcW;
|
||||
c->srcH= srcH;
|
||||
c->dstW= dstW;
|
||||
c->dstH= dstH;
|
||||
c->lumXInc= ((srcW<<16) + (1<<15))/dstW;
|
||||
c->lumYInc= ((srcH<<16) + (1<<15))/dstH;
|
||||
c->flags= flags;
|
||||
c->dstFormat= dstFormat;
|
||||
c->srcFormat= srcFormat;
|
||||
|
||||
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)
|
||||
fprintf(stderr, "SwScaler: output Width is not a multiple of 32 -> no MMX2 scaler\n");
|
||||
}
|
||||
}
|
||||
else
|
||||
c->canMMX2BeUsed=0;
|
||||
|
||||
// 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;
|
||||
//we dont use the x86asm scaler if mmx is available
|
||||
else if(cpuCaps.hasMMX) c->lumXInc = ((srcW-2)<<16)/(dstW-2) - 20;
|
||||
}
|
||||
|
||||
/* set chrXInc & chrDstW */
|
||||
if((flags&SWS_FULL_UV_IPOL) && dstFormat!=IMGFMT_YV12)
|
||||
c->chrXInc= c->lumXInc>>1, c->chrDstW= dstW;
|
||||
else
|
||||
c->chrXInc= c->lumXInc, c->chrDstW= (dstW+1)>>1;
|
||||
|
||||
/* set chrYInc & chrDstH */
|
||||
if(dstFormat==IMGFMT_YV12) c->chrYInc= c->lumYInc, c->chrDstH= (dstH+1)>>1;
|
||||
else c->chrYInc= c->lumYInc>>1, c->chrDstH= dstH;
|
||||
|
||||
/* 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);
|
||||
initFilter(c->hChrFilter, c->hChrFilterPos, &c->hChrFilterSize, c->chrXInc,
|
||||
(srcW+1)>>1, c->chrDstW, filterAlign, 1<<14, flags);
|
||||
|
||||
#ifdef ARCH_X86
|
||||
// cant downscale !!!
|
||||
if(c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR))
|
||||
{
|
||||
initMMX2HScaler( dstW, c->lumXInc, c->funnyYCode);
|
||||
initMMX2HScaler(c->chrDstW, c->chrXInc, c->funnyUVCode);
|
||||
}
|
||||
#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);
|
||||
initFilter(c->vChrFilter, c->vChrFilterPos, &c->vChrFilterSize, c->chrYInc,
|
||||
(srcH+1)>>1, c->chrDstH, 1, (1<<12)-4, flags);
|
||||
|
||||
// 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
|
||||
// allocate several megabytes to handle all possible cases)
|
||||
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)
|
||||
ASSERT(c->vLumFilterSize* dstH*4 <= SWS_MAX_SIZE*20)
|
||||
ASSERT(c->vChrFilterSize*c->chrDstH*4 <= SWS_MAX_SIZE*20)
|
||||
|
||||
// pack filter data for mmx code
|
||||
if(cpuCaps.hasMMX)
|
||||
{
|
||||
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= cpuCaps.hasMMX ? " dithered" : "";
|
||||
#endif
|
||||
if(flags&SWS_FAST_BILINEAR)
|
||||
fprintf(stderr, "\nSwScaler: FAST_BILINEAR scaler ");
|
||||
else if(flags&SWS_BILINEAR)
|
||||
fprintf(stderr, "\nSwScaler: BILINEAR scaler ");
|
||||
else if(flags&SWS_BICUBIC)
|
||||
fprintf(stderr, "\nSwScaler: BICUBIC scaler ");
|
||||
else
|
||||
fprintf(stderr, "\nSwScaler: ehh flags invalid?! ");
|
||||
|
||||
if(dstFormat==IMGFMT_BGR15)
|
||||
fprintf(stderr, "with%s BGR15 output ", dither);
|
||||
else if(dstFormat==IMGFMT_BGR16)
|
||||
fprintf(stderr, "with%s BGR16 output ", dither);
|
||||
else if(dstFormat==IMGFMT_BGR24)
|
||||
fprintf(stderr, "with BGR24 output ");
|
||||
else if(dstFormat==IMGFMT_BGR32)
|
||||
fprintf(stderr, "with BGR32 output ");
|
||||
else if(dstFormat==IMGFMT_YV12)
|
||||
fprintf(stderr, "with YV12 output ");
|
||||
else
|
||||
fprintf(stderr, "without output ");
|
||||
|
||||
if(cpuCaps.hasMMX2)
|
||||
fprintf(stderr, "using MMX2\n");
|
||||
else if(cpuCaps.has3DNow)
|
||||
fprintf(stderr, "using 3DNOW\n");
|
||||
else if(cpuCaps.hasMMX)
|
||||
fprintf(stderr, "using MMX\n");
|
||||
else
|
||||
fprintf(stderr, "using C\n");
|
||||
}
|
||||
|
||||
if((flags & SWS_PRINT_INFO) && verbose)
|
||||
{
|
||||
if(cpuCaps.hasMMX)
|
||||
{
|
||||
if(c->canMMX2BeUsed && (flags&SWS_FAST_BILINEAR))
|
||||
printf("SwScaler: using FAST_BILINEAR MMX2 scaler for horizontal scaling\n");
|
||||
else
|
||||
{
|
||||
if(c->hLumFilterSize==4)
|
||||
printf("SwScaler: using 4-tap MMX scaler for horizontal luminance scaling\n");
|
||||
else if(c->hLumFilterSize==8)
|
||||
printf("SwScaler: using 8-tap MMX scaler for horizontal luminance scaling\n");
|
||||
else
|
||||
printf("SwScaler: using n-tap MMX scaler for horizontal luminance scaling\n");
|
||||
|
||||
if(c->hChrFilterSize==4)
|
||||
printf("SwScaler: using 4-tap MMX scaler for horizontal chrominance scaling\n");
|
||||
else if(c->hChrFilterSize==8)
|
||||
printf("SwScaler: using 8-tap MMX scaler for horizontal chrominance scaling\n");
|
||||
else
|
||||
printf("SwScaler: using n-tap MMX scaler for horizontal chrominance scaling\n");
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
#ifdef ARCH_X86
|
||||
printf("SwScaler: using X86-Asm scaler for horizontal scaling\n");
|
||||
#else
|
||||
if(flags & SWS_FAST_BILINEAR)
|
||||
printf("SwScaler: using FAST_BILINEAR C scaler for horizontal scaling\n");
|
||||
else
|
||||
printf("SwScaler: using C scaler for horizontal scaling\n");
|
||||
#endif
|
||||
}
|
||||
if(dstFormat==IMGFMT_YV12)
|
||||
{
|
||||
if(c->vLumFilterSize==1)
|
||||
printf("SwScaler: using 1-tap %s \"scaler\" for vertical scaling (YV12)\n", cpuCaps.hasMMX ? "MMX" : "C");
|
||||
else
|
||||
printf("SwScaler: using n-tap %s scaler for vertical scaling (YV12)\n", cpuCaps.hasMMX ? "MMX" : "C");
|
||||
}
|
||||
else
|
||||
{
|
||||
if(c->vLumFilterSize==1 && c->vChrFilterSize==2)
|
||||
printf("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)
|
||||
printf("SwScaler: using 2-tap linear %s scaler for vertical scaling (BGR)\n", cpuCaps.hasMMX ? "MMX" : "C");
|
||||
else
|
||||
printf("SwScaler: using n-tap %s scaler for vertical scaling (BGR)\n", cpuCaps.hasMMX ? "MMX" : "C");
|
||||
}
|
||||
|
||||
if(dstFormat==IMGFMT_BGR24)
|
||||
printf("SwScaler: using %s YV12->BGR24 Converter\n",
|
||||
cpuCaps.hasMMX2 ? "MMX2" : (cpuCaps.hasMMX ? "MMX" : "C"));
|
||||
else
|
||||
printf("SwScaler: using %s YV12->BGR Converter\n", cpuCaps.hasMMX ? "MMX" : "C");//FIXME print format
|
||||
|
||||
printf("SwScaler: %dx%d -> %dx%d\n", srcW, srcH, dstW, dstH);
|
||||
}
|
||||
|
||||
return c;
|
||||
}
|
||||
|
||||
/**
|
||||
* returns a normalized gaussian curve used to filter stuff
|
||||
* quality=3 is high quality, lowwer is lowwer quality
|
||||
*/
|
||||
double *getGaussian(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;
|
||||
|
||||
for(i=0; i<length; i++)
|
||||
{
|
||||
double dist= i-middle;
|
||||
coeff[i]= exp( -dist*dist/(2*variance*variance) ) / sqrt(2*variance*PI);
|
||||
}
|
||||
|
||||
normalize(coeff, length, 1.0);
|
||||
return coeff;
|
||||
}
|
||||
|
||||
void normalize(double *coeff, int length, double height){
|
||||
int i;
|
||||
double sum=0;
|
||||
double inv;
|
||||
|
||||
for(i=0; i<length; i++)
|
||||
sum+= coeff[i];
|
||||
|
||||
inv= height/sum;
|
||||
|
||||
for(i=0; i<length; i++)
|
||||
coeff[i]*= height;
|
||||
}
|
||||
|
||||
double *conv(double *a, int aLength, double *b, int bLength){
|
||||
int length= aLength + bLength - 1;
|
||||
double *coeff= memalign(sizeof(double), length*sizeof(double));
|
||||
int i, j;
|
||||
|
||||
for(i=0; i<length; i++) coeff[i]= 0.0;
|
||||
|
||||
for(i=0; i<aLength; i++)
|
||||
{
|
||||
for(j=0; j<bLength; j++)
|
||||
{
|
||||
coeff[i+j]+= a[i]*b[j];
|
||||
}
|
||||
}
|
||||
|
||||
return coeff;
|
||||
}
|
||||
|
||||
/*
|
||||
double *sum(double *a, int aLength, double *b, int bLength){
|
||||
int length= MAX(aLength, bLength);
|
||||
double *coeff= memalign(sizeof(double), length*sizeof(double));
|
||||
int i;
|
||||
|
||||
for(i=0; i<length; i++) coeff[i]= 0.0;
|
||||
|
||||
for(i=0; i<aLength; i++) coeff[i]+= a[i];
|
||||
}
|
||||
*/
|
||||
@ -1,14 +1,90 @@
|
||||
|
||||
#define SWS_FAST_BILINEAR 0
|
||||
#define SWS_BILINEAR 1
|
||||
#define SWS_BICUBIC 2
|
||||
/* values for the flags, the stuff on the command line is different */
|
||||
#define SWS_FAST_BILINEAR 1
|
||||
#define SWS_BILINEAR 2
|
||||
#define SWS_BICUBIC 4
|
||||
#define SWS_X 8
|
||||
#define SWS_FULL_UV_IPOL 0x100
|
||||
#define SWS_PRINT_INFO 0x1000
|
||||
|
||||
#define SWS_MAX_SIZE 2000
|
||||
|
||||
/* this struct should be aligned on at least 32-byte boundary */
|
||||
typedef struct{
|
||||
int srcW, srcH, dstW, dstH;
|
||||
int chrDstW, chrDstH;
|
||||
int lumXInc, chrXInc;
|
||||
int lumYInc, chrYInc;
|
||||
int dstFormat, srcFormat;
|
||||
int16_t __attribute__((aligned(8))) *lumPixBuf[SWS_MAX_SIZE];
|
||||
int16_t __attribute__((aligned(8))) *chrPixBuf[SWS_MAX_SIZE];
|
||||
int16_t __attribute__((aligned(8))) hLumFilter[SWS_MAX_SIZE*5];
|
||||
int16_t __attribute__((aligned(8))) hLumFilterPos[SWS_MAX_SIZE];
|
||||
int16_t __attribute__((aligned(8))) hChrFilter[SWS_MAX_SIZE*5];
|
||||
int16_t __attribute__((aligned(8))) hChrFilterPos[SWS_MAX_SIZE];
|
||||
int16_t __attribute__((aligned(8))) vLumFilter[SWS_MAX_SIZE*5];
|
||||
int16_t __attribute__((aligned(8))) vLumFilterPos[SWS_MAX_SIZE];
|
||||
int16_t __attribute__((aligned(8))) vChrFilter[SWS_MAX_SIZE*5];
|
||||
int16_t __attribute__((aligned(8))) vChrFilterPos[SWS_MAX_SIZE];
|
||||
|
||||
// Contain simply the values from v(Lum|Chr)Filter just nicely packed for mmx
|
||||
int16_t __attribute__((aligned(8))) lumMmxFilter[SWS_MAX_SIZE*20];
|
||||
int16_t __attribute__((aligned(8))) chrMmxFilter[SWS_MAX_SIZE*20];
|
||||
|
||||
int hLumFilterSize;
|
||||
int hChrFilterSize;
|
||||
int vLumFilterSize;
|
||||
int vChrFilterSize;
|
||||
int vLumBufSize;
|
||||
int vChrBufSize;
|
||||
|
||||
uint8_t __attribute__((aligned(32))) funnyYCode[10000];
|
||||
uint8_t __attribute__((aligned(32))) funnyUVCode[10000];
|
||||
|
||||
int canMMX2BeUsed;
|
||||
|
||||
int lastInLumBuf;
|
||||
int lastInChrBuf;
|
||||
int lumBufIndex;
|
||||
int chrBufIndex;
|
||||
int dstY;
|
||||
int flags;
|
||||
} SwsContext;
|
||||
//FIXME check init (where 0)
|
||||
|
||||
typedef struct {
|
||||
double *lumH;
|
||||
double *lumV;
|
||||
double *chrH;
|
||||
double *chrV;
|
||||
int length;
|
||||
} SwsFilter;
|
||||
|
||||
|
||||
// *** bilinear scaling and yuv->rgb & yuv->yuv conversion of yv12 slices:
|
||||
// *** Note: it's called multiple times while decoding a frame, first time y==0
|
||||
// *** Designed to upscale, but may work for downscale too.
|
||||
// dstbpp == 12 -> yv12 output
|
||||
void SwScale_YV12slice(unsigned char* srcptr[],int stride[], int srcSliceY,
|
||||
int srcSliceH, uint8_t* dstptr[], int dststride, int dstbpp,
|
||||
// will use sws_flags
|
||||
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);
|
||||
// generating tables
|
||||
void SwScale_Init();
|
||||
|
||||
// Obsolete, will be removed soon
|
||||
void SwScale_Init();
|
||||
|
||||
|
||||
|
||||
void freeSwsContext(SwsContext swsContext);
|
||||
|
||||
SwsContext *getSwsContext(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat, int flags,
|
||||
SwsFilter *srcFilter, SwsFilter *dstFilter);
|
||||
|
||||
extern void (*swScale)(SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
|
||||
int srcSliceH, uint8_t* dst[], int dstStride[]);
|
||||
|
||||
double *getGaussian(double variance, double quality);
|
||||
|
||||
void normalize(double *coeff, int length, double height);
|
||||
|
||||
double *conv(double *a, int aLength, double *b, int bLength);
|
||||
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user