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fixed a rounding bug thing in the X1 Filter

Browse Source 
changed the X1 Filter slightly to make flat blocks look like in the 9tap lpf
minor change to the -pp numbers & added decimal numbers in comments
new experimental horizontal deblocking filter

Originally committed as revision 2180 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
pull/126/head
Michael Niedermayer 24 years ago
parent 67b4cf184a
commit 9f45d04d3a
3 changed files with 508 additions and 65 deletions
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  1. 262
      postproc/postprocess.c
  2. 29
      postproc/postprocess.h
  3. 262
      postproc/postprocess_template.c

262
postproc/postprocess.c
Unescape View File

@ -27,8 +27,9 @@ isHorizMinMaxOk a
doHorizLowPass E a a*
doHorizDefFilter E ac ac
deRing
RKAlgo1 E a a*
X1 a E E*
Vertical RKAlgo1 E a a*
Vertical X1 a E E*
Horizontal X1 a E E*
* i dont have a 3dnow CPU -> its untested
@ -40,7 +41,7 @@ c = checked against the other implementations (-vo md5)
/*
TODO:
verify that everything workes as it should
verify that everything workes as it should (how?)
reduce the time wasted on the mem transfer
implement dering
implement everything in C at least (done at the moment but ...)
@ -51,6 +52,9 @@ write a faster and higher quality deblocking filter :)
do something about the speed of the horizontal filters
make the mainloop more flexible (variable number of blocks at once
(the if/else stuff per block is slowing things down)
compare the quality & speed of all filters
implement a few simple deinterlacing filters
split this huge file
...
Notes:
@ -58,7 +62,7 @@ Notes:
*/
/*
Changelog:
Changelog: use the CVS log
0.1.3
bugfixes: last 3 lines not brightness/contrast corrected
brightness statistics messed up with initial black pic
@ -99,11 +103,13 @@ static uint64_t bm10000000= 0xFF00000000000000LL;
static uint64_t bm10000001= 0xFF000000000000FFLL;
static uint64_t bm11000011= 0xFFFF00000000FFFFLL;
static uint64_t bm00000011= 0x000000000000FFFFLL;
static uint64_t bm11111110= 0xFFFFFFFFFFFFFF00LL;
static uint64_t bm11000000= 0xFFFF000000000000LL;
static uint64_t bm00011000= 0x000000FFFF000000LL;
static uint64_t bm00110011= 0x0000FFFF0000FFFFLL;
static uint64_t bm11001100= 0xFFFF0000FFFF0000LL;
static uint64_t b00= 0x0000000000000000LL;
static uint64_t b01= 0x0101010101010101LL;
static uint64_t b02= 0x0202020202020202LL;
static uint64_t b0F= 0x0F0F0F0F0F0F0F0FLL;
static uint64_t bFF= 0xFFFFFFFFFFFFFFFFLL;
@ -544,7 +550,7 @@ static inline void doVertLowPass(uint8_t *src, int stride, int QP)
x/8 = 1
1 12 12 23
*/
static inline void vertRKFilter(uint8_t *src, int stride, int QP)
static inline void vertRK1Filter(uint8_t *src, int stride, int QP)
{
#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
// FIXME rounding
@ -638,7 +644,8 @@ static inline void vertRKFilter(uint8_t *src, int stride, int QP)
/**
* Experimental Filter 1
* will nor damage linear gradients
* will not damage linear gradients
* Flat blocks should look like they where passed through the (1,1,2,2,4,2,2,1,1) 9-Tap filter
* can only smooth blocks at the expected locations (it cant smooth them if they did move)
* MMX2 version does correct clipping C version doesnt
*/
@ -675,9 +682,13 @@ static inline void vertX1Filter(uint8_t *src, int stride, int QP)
"movq %%mm4, %%mm3 \n\t" // d
"psubusb pQPb, %%mm4 \n\t"
"pcmpeqb %%mm7, %%mm4 \n\t" // d <= QP ? -1 : 0
"psubusb b01, %%mm3 \n\t"
"pand %%mm4, %%mm3 \n\t" // d <= QP ? d : 0
PAVGB(%%mm7, %%mm3) // d/2
"movq %%mm3, %%mm1 \n\t" // d/2
PAVGB(%%mm7, %%mm3) // d/4
PAVGB(%%mm1, %%mm3) // 3*d/8
"movq (%0, %1, 4), %%mm0 \n\t" // line 4
"pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l4-1 : l4
@ -691,31 +702,31 @@ static inline void vertX1Filter(uint8_t *src, int stride, int QP)
"pxor %%mm2, %%mm0 \n\t"
"movq %%mm0, (%%ebx) \n\t" // line 5
PAVGB(%%mm7, %%mm3) // d/4
PAVGB(%%mm7, %%mm1) // d/4
"movq (%%eax, %1, 2), %%mm0 \n\t" // line 3
"pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l4-1 : l4
"psubusb %%mm3, %%mm0 \n\t"
"psubusb %%mm1, %%mm0 \n\t"
"pxor %%mm2, %%mm0 \n\t"
"movq %%mm0, (%%eax, %1, 2) \n\t" // line 3
"movq (%%ebx, %1), %%mm0 \n\t" // line 6
"pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l5-1 : l5
"paddusb %%mm3, %%mm0 \n\t"
"paddusb %%mm1, %%mm0 \n\t"
"pxor %%mm2, %%mm0 \n\t"
"movq %%mm0, (%%ebx, %1) \n\t" // line 6
PAVGB(%%mm7, %%mm3) // d/8
PAVGB(%%mm7, %%mm1) // d/8
"movq (%%eax, %1), %%mm0 \n\t" // line 2
"pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l2-1 : l2
"psubusb %%mm3, %%mm0 \n\t"
"psubusb %%mm1, %%mm0 \n\t"
"pxor %%mm2, %%mm0 \n\t"
"movq %%mm0, (%%eax, %1) \n\t" // line 2
"movq (%%ebx, %1, 2), %%mm0 \n\t" // line 7
"pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l7-1 : l7
"paddusb %%mm3, %%mm0 \n\t"
"paddusb %%mm1, %%mm0 \n\t"
"pxor %%mm2, %%mm0 \n\t"
"movq %%mm0, (%%ebx, %1, 2) \n\t" // line 7
@ -739,7 +750,7 @@ static inline void vertX1Filter(uint8_t *src, int stride, int QP)
{
int a= src[l3] - src[l4];
int b= src[l4] - src[l5];
int c= src[l6] - src[l7];
int c= src[l5] - src[l6];
int d= MAX(ABS(b) - (ABS(a) + ABS(c))/2, 0);
@ -749,8 +760,8 @@ static inline void vertX1Filter(uint8_t *src, int stride, int QP)
src[l2] +=v/8;
src[l3] +=v/4;
src[l4] +=v/2;
src[l5] -=v/2;
src[l4] +=3*v/8;
src[l5] -=3*v/8;
src[l6] -=v/4;
src[l7] -=v/8;
@ -789,6 +800,211 @@ static inline void vertX1Filter(uint8_t *src, int stride, int QP)
#endif
}
/**
* Experimental Filter 1 (Horizontal)
* will not damage linear gradients
* Flat blocks should look like they where passed through the (1,1,2,2,4,2,2,1,1) 9-Tap filter
* can only smooth blocks at the expected locations (it cant smooth them if they did move)
* MMX2 version does correct clipping C version doesnt
* not identical with the vertical one
*/
static inline void horizX1Filter(uint8_t *src, int stride, int QP)
{
int y;
static uint64_t *lut= NULL;
if(lut==NULL)
{
int i;
lut= (uint64_t*)memalign(8, 256*8);
for(i=0; i<256; i++)
{
int v= i < 128 ? 2*i : 2*(i-256);
/*
//Simulate 112242211 9-Tap filter
uint64_t a= (v/16) & 0xFF;
uint64_t b= (v/8) & 0xFF;
uint64_t c= (v/4) & 0xFF;
uint64_t d= (3*v/8) & 0xFF;
*/
//Simulate piecewise linear interpolation
uint64_t a= (v/16) & 0xFF;
uint64_t b= (v*3/16) & 0xFF;
uint64_t c= (v*5/16) & 0xFF;
uint64_t d= (7*v/16) & 0xFF;
uint64_t A= (0x100 - a)&0xFF;
uint64_t B= (0x100 - b)&0xFF;
uint64_t C= (0x100 - c)&0xFF;
uint64_t D= (0x100 - c)&0xFF;
lut[i] = (a<<56) | (b<<48) | (c<<40) | (d<<32) |
(D<<24) | (C<<16) | (B<<8) | (A);
//lut[i] = (v<<32) | (v<<24);
}
}
#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
asm volatile(
"pxor %%mm7, %%mm7 \n\t" // 0
// "movq b80, %%mm6 \n\t" // MIN_SIGNED_BYTE
"leal (%0, %1), %%eax \n\t"
"leal (%%eax, %1, 4), %%ebx \n\t"
"movq b80, %%mm6 \n\t"
"movd %2, %%mm5 \n\t" // QP
"movq %%mm5, %%mm4 \n\t"
"paddusb %%mm5, %%mm5 \n\t" // 2QP
"paddusb %%mm5, %%mm4 \n\t" // 3QP
"pxor %%mm5, %%mm5 \n\t" // 0
"psubb %%mm4, %%mm5 \n\t" // -3QP
"por bm11111110, %%mm5 \n\t" // ...,FF,FF,-3QP
"psllq $24, %%mm5 \n\t"
// 0 1 2 3 4 5 6 7 8 9
// %0 eax eax+%1 eax+2%1 %0+4%1 ebx ebx+%1 ebx+2%1 %0+8%1 ebx+4%1
#define HX1old(a) \
"movd " #a ", %%mm0 \n\t"\
"movd 4" #a ", %%mm1 \n\t"\
"punpckldq %%mm1, %%mm0 \n\t"\
"movq %%mm0, %%mm1 \n\t"\
"movq %%mm0, %%mm2 \n\t"\
"psrlq $8, %%mm1 \n\t"\
"psubusb %%mm1, %%mm2 \n\t"\
"psubusb %%mm0, %%mm1 \n\t"\
"por %%mm2, %%mm1 \n\t" /* p´x = |px - p(x+1)| */\
"pcmpeqb %%mm7, %%mm2 \n\t" /* p´x = sgn[px - p(x+1)] */\
"pshufw $0x00, %%mm1, %%mm3 \n\t" /* p´5 = |p1 - p2| */\
PAVGB(%%mm1, %%mm3) /* p´5 = (|p2-p1| + |p6-p5|)/2 */\
"psrlq $16, %%mm3 \n\t" /* p´3 = (|p2-p1| + |p6-p5|)/2 */\
"psubusb %%mm3, %%mm1 \n\t" /* |p3-p4|-(|p2-p1| + |p6-p5|)/2 */\
"paddb %%mm5, %%mm1 \n\t"\
"psubusb %%mm5, %%mm1 \n\t"\
PAVGB(%%mm7, %%mm1)\
"pxor %%mm2, %%mm1 \n\t"\
"psubb %%mm2, %%mm1 \n\t"\
"psrlq $24, %%mm1 \n\t"\
"movd %%mm1, %%ecx \n\t"\
"paddb %%mm6, %%mm0 \n\t"\
"paddsb (%3, %%ecx, 8), %%mm0 \n\t"\
"paddb %%mm6, %%mm0 \n\t"\
"movq %%mm0, " #a " \n\t"\
/*
HX1old((%0))
HX1old((%%eax))
HX1old((%%eax, %1))
HX1old((%%eax, %1, 2))
HX1old((%0, %1, 4))
HX1old((%%ebx))
HX1old((%%ebx, %1))
HX1old((%%ebx, %1, 2))
*/
//FIXME add some comments, its unreadable ...
#define HX1b(a, c, b, d) \
"movd " #a ", %%mm0 \n\t"\
"movd 4" #a ", %%mm1 \n\t"\
"punpckldq %%mm1, %%mm0 \n\t"\
"movd " #b ", %%mm4 \n\t"\
"movq %%mm0, %%mm1 \n\t"\
"movq %%mm0, %%mm2 \n\t"\
"psrlq $8, %%mm1 \n\t"\
"movd 4" #b ", %%mm3 \n\t"\
"psubusb %%mm1, %%mm2 \n\t"\
"psubusb %%mm0, %%mm1 \n\t"\
"por %%mm2, %%mm1 \n\t" /* p´x = |px - p(x+1)| */\
"pcmpeqb %%mm7, %%mm2 \n\t" /* p´x = sgn[px - p(x+1)] */\
"punpckldq %%mm3, %%mm4 \n\t"\
"movq %%mm1, %%mm3 \n\t"\
"psllq $32, %%mm3 \n\t" /* p´5 = |p1 - p2| */\
PAVGB(%%mm1, %%mm3) /* p´5 = (|p2-p1| + |p6-p5|)/2 */\
"paddb %%mm6, %%mm0 \n\t"\
"psrlq $16, %%mm3 \n\t" /* p´3 = (|p2-p1| + |p6-p5|)/2 */\
"psubusb %%mm3, %%mm1 \n\t" /* |p3-p4|-(|p2-p1| + |p6-p5|)/2 */\
"movq %%mm4, %%mm3 \n\t"\
"paddb %%mm5, %%mm1 \n\t"\
"psubusb %%mm5, %%mm1 \n\t"\
"psrlq $8, %%mm3 \n\t"\
PAVGB(%%mm7, %%mm1)\
"pxor %%mm2, %%mm1 \n\t"\
"psubb %%mm2, %%mm1 \n\t"\
"movq %%mm4, %%mm2 \n\t"\
"psrlq $24, %%mm1 \n\t"\
"psubusb %%mm3, %%mm2 \n\t"\
"movd %%mm1, %%ecx \n\t"\
"psubusb %%mm4, %%mm3 \n\t"\
"paddsb (%3, %%ecx, 8), %%mm0 \n\t"\
"por %%mm2, %%mm3 \n\t" /* p´x = |px - p(x+1)| */\
"paddb %%mm6, %%mm0 \n\t"\
"pcmpeqb %%mm7, %%mm2 \n\t" /* p´x = sgn[px - p(x+1)] */\
"movq %%mm3, %%mm1 \n\t"\
"psllq $32, %%mm1 \n\t" /* p´5 = |p1 - p2| */\
"movq %%mm0, " #a " \n\t"\
PAVGB(%%mm3, %%mm1) /* p´5 = (|p2-p1| + |p6-p5|)/2 */\
"paddb %%mm6, %%mm4 \n\t"\
"psrlq $16, %%mm1 \n\t" /* p´3 = (|p2-p1| + |p6-p5|)/2 */\
"psubusb %%mm1, %%mm3 \n\t" /* |p3-p4|-(|p2-p1| + |p6-p5|)/2 */\
"paddb %%mm5, %%mm3 \n\t"\
"psubusb %%mm5, %%mm3 \n\t"\
PAVGB(%%mm7, %%mm3)\
"pxor %%mm2, %%mm3 \n\t"\
"psubb %%mm2, %%mm3 \n\t"\
"psrlq $24, %%mm3 \n\t"\
"movd " #c ", %%mm0 \n\t"\
"movd 4" #c ", %%mm1 \n\t"\
"punpckldq %%mm1, %%mm0 \n\t"\
"paddb %%mm6, %%mm0 \n\t"\
"paddsb (%3, %%ecx, 8), %%mm0 \n\t"\
"paddb %%mm6, %%mm0 \n\t"\
"movq %%mm0, " #c " \n\t"\
"movd %%mm3, %%ecx \n\t"\
"movd " #d ", %%mm0 \n\t"\
"paddsb (%3, %%ecx, 8), %%mm4 \n\t"\
"movd 4" #d ", %%mm1 \n\t"\
"paddb %%mm6, %%mm4 \n\t"\
"punpckldq %%mm1, %%mm0 \n\t"\
"movq %%mm4, " #b " \n\t"\
"paddb %%mm6, %%mm0 \n\t"\
"paddsb (%3, %%ecx, 8), %%mm0 \n\t"\
"paddb %%mm6, %%mm0 \n\t"\
"movq %%mm0, " #d " \n\t"\
HX1b((%0),(%%eax),(%%eax, %1),(%%eax, %1, 2))
HX1b((%0, %1, 4),(%%ebx),(%%ebx, %1),(%%ebx, %1, 2))
:
: "r" (src), "r" (stride), "r" (QP), "r" (lut)
: "%eax", "%ebx", "%ecx"
);
#else
//FIXME (has little in common with the mmx2 version)
for(y=0; y<BLOCK_SIZE; y++)
{
int a= src[1] - src[2];
int b= src[3] - src[4];
int c= src[5] - src[6];
int d= MAX(ABS(b) - (ABS(a) + ABS(c))/2, 0);
if(d < QP)
{
int v = d * SIGN(-b);
src[1] +=v/8;
src[2] +=v/4;
src[3] +=3*v/8;
src[4] -=3*v/8;
src[5] -=v/4;
src[6] -=v/8;
}
src+=stride;
}
#endif
}
static inline void doVertDefFilter(uint8_t src[], int stride, int QP)
{
@ -1638,13 +1854,14 @@ void postprocess(unsigned char * src[], int src_stride,
vertical_size >>= 1;
src_stride >>= 1;
dst_stride >>= 1;
mode= ((mode&0xFF)>>4) | (mode&0xFFFFFF00);
if(1)
{
postProcess(src[1], src_stride, dst[1], dst_stride,
horizontal_size, vertical_size, QP_store, QP_stride, 1, mode >>4);
horizontal_size, vertical_size, QP_store, QP_stride, 1, mode);
postProcess(src[2], src_stride, dst[2], dst_stride,
horizontal_size, vertical_size, QP_store, QP_stride, 1, mode >>4);
horizontal_size, vertical_size, QP_store, QP_stride, 1, mode);
}
else
{
@ -1929,9 +2146,9 @@ void postProcess(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int
#endif
if(mode & V_DEBLOCK)
{
if(mode & RK_FILTER)
vertRKFilter(vertBlock, stride, QP);
else if(mode & X1_FILTER)
if(mode & V_RK1_FILTER)
vertRK1Filter(vertBlock, stride, QP);
else if(mode & V_X1_FILTER)
vertX1Filter(vertBlock, stride, QP);
else
{
@ -1961,6 +2178,10 @@ void postProcess(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int
T0= rdtsc();
#endif
if(mode & H_DEBLOCK)
{
if(mode & H_X1_FILTER)
horizX1Filter(dstBlock-4, stride, QP);
else
{
if( isHorizDCAndCopy2Temp(dstBlock-4, stride))
{
@ -1970,6 +2191,7 @@ void postProcess(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int
else
doHorizDefFilterAndCopyBack(dstBlock-4, stride, QP);
}
}
#ifdef MORE_TIMEING
T1= rdtsc();
horizTime+= T1-T0;

29
postproc/postprocess.h
Unescape View File

@ -28,24 +28,23 @@
#define DERING 0x04
#define LEVEL_FIX 0x08 /* Brightness & Contrast */
#define LUM_V_DEBLOCK V_DEBLOCK
#define LUM_H_DEBLOCK H_DEBLOCK
#define CHROM_V_DEBLOCK (V_DEBLOCK<<4)
#define CHROM_H_DEBLOCK (H_DEBLOCK<<4)
#define LUM_DERING DERING
#define CHROM_DERING (DERING<<4)
#define LUM_LEVEL_FIX LEVEL_FIX
#define LUM_V_DEBLOCK V_DEBLOCK // 1
#define LUM_H_DEBLOCK H_DEBLOCK // 2
#define CHROM_V_DEBLOCK (V_DEBLOCK<<4) // 16
#define CHROM_H_DEBLOCK (H_DEBLOCK<<4) // 32
#define LUM_DERING DERING // 4
#define CHROM_DERING (DERING<<4) // 64
#define LUM_LEVEL_FIX LEVEL_FIX // 8
//not supported currently
#define CHROM_LEVEL_FIX (LEVEL_FIX<<4)
#define CHROM_LEVEL_FIX (LEVEL_FIX<<4) // 128
// Experimental stuff
#define RK_FILTER 0x0100
#define LUM_V_RK_FILTER RK_FILTER
#define CHROM_V_RK_FILTER (RK_FILTER<<4)
// Experimental vertical filters
#define V_RK1_FILTER 0x0100 // 256
#define V_X1_FILTER 0x0200 // 512
#define X1_FILTER 0x0200
#define LUM_V_X1_FILTER X1_FILTER
#define CHROM_V_X1_FILTER (X1_FILTER<<4)
// Experimental horizontal filters
#define H_RK1_FILTER 0x1000 // 4096
#define H_X1_FILTER 0x2000 // 8192
#define TIMEING

262
postproc/postprocess_template.c
Unescape View File

@ -27,8 +27,9 @@ isHorizMinMaxOk a
doHorizLowPass E a a*
doHorizDefFilter E ac ac
deRing
RKAlgo1 E a a*
X1 a E E*
Vertical RKAlgo1 E a a*
Vertical X1 a E E*
Horizontal X1 a E E*
* i dont have a 3dnow CPU -> its untested
@ -40,7 +41,7 @@ c = checked against the other implementations (-vo md5)
/*
TODO:
verify that everything workes as it should
verify that everything workes as it should (how?)
reduce the time wasted on the mem transfer
implement dering
implement everything in C at least (done at the moment but ...)
@ -51,6 +52,9 @@ write a faster and higher quality deblocking filter :)
do something about the speed of the horizontal filters
make the mainloop more flexible (variable number of blocks at once
(the if/else stuff per block is slowing things down)
compare the quality & speed of all filters
implement a few simple deinterlacing filters
split this huge file
...
Notes:
@ -58,7 +62,7 @@ Notes:
*/
/*
Changelog:
Changelog: use the CVS log
0.1.3
bugfixes: last 3 lines not brightness/contrast corrected
brightness statistics messed up with initial black pic
@ -99,11 +103,13 @@ static uint64_t bm10000000= 0xFF00000000000000LL;
static uint64_t bm10000001= 0xFF000000000000FFLL;
static uint64_t bm11000011= 0xFFFF00000000FFFFLL;
static uint64_t bm00000011= 0x000000000000FFFFLL;
static uint64_t bm11111110= 0xFFFFFFFFFFFFFF00LL;
static uint64_t bm11000000= 0xFFFF000000000000LL;
static uint64_t bm00011000= 0x000000FFFF000000LL;
static uint64_t bm00110011= 0x0000FFFF0000FFFFLL;
static uint64_t bm11001100= 0xFFFF0000FFFF0000LL;
static uint64_t b00= 0x0000000000000000LL;
static uint64_t b01= 0x0101010101010101LL;
static uint64_t b02= 0x0202020202020202LL;
static uint64_t b0F= 0x0F0F0F0F0F0F0F0FLL;
static uint64_t bFF= 0xFFFFFFFFFFFFFFFFLL;
@ -544,7 +550,7 @@ static inline void doVertLowPass(uint8_t *src, int stride, int QP)
x/8 = 1
1 12 12 23
*/
static inline void vertRKFilter(uint8_t *src, int stride, int QP)
static inline void vertRK1Filter(uint8_t *src, int stride, int QP)
{
#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
// FIXME rounding
@ -638,7 +644,8 @@ static inline void vertRKFilter(uint8_t *src, int stride, int QP)
/**
* Experimental Filter 1
* will nor damage linear gradients
* will not damage linear gradients
* Flat blocks should look like they where passed through the (1,1,2,2,4,2,2,1,1) 9-Tap filter
* can only smooth blocks at the expected locations (it cant smooth them if they did move)
* MMX2 version does correct clipping C version doesnt
*/
@ -675,9 +682,13 @@ static inline void vertX1Filter(uint8_t *src, int stride, int QP)
"movq %%mm4, %%mm3 \n\t" // d
"psubusb pQPb, %%mm4 \n\t"
"pcmpeqb %%mm7, %%mm4 \n\t" // d <= QP ? -1 : 0
"psubusb b01, %%mm3 \n\t"
"pand %%mm4, %%mm3 \n\t" // d <= QP ? d : 0
PAVGB(%%mm7, %%mm3) // d/2
"movq %%mm3, %%mm1 \n\t" // d/2
PAVGB(%%mm7, %%mm3) // d/4
PAVGB(%%mm1, %%mm3) // 3*d/8
"movq (%0, %1, 4), %%mm0 \n\t" // line 4
"pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l4-1 : l4
@ -691,31 +702,31 @@ static inline void vertX1Filter(uint8_t *src, int stride, int QP)
"pxor %%mm2, %%mm0 \n\t"
"movq %%mm0, (%%ebx) \n\t" // line 5
PAVGB(%%mm7, %%mm3) // d/4
PAVGB(%%mm7, %%mm1) // d/4
"movq (%%eax, %1, 2), %%mm0 \n\t" // line 3
"pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l4-1 : l4
"psubusb %%mm3, %%mm0 \n\t"
"psubusb %%mm1, %%mm0 \n\t"
"pxor %%mm2, %%mm0 \n\t"
"movq %%mm0, (%%eax, %1, 2) \n\t" // line 3
"movq (%%ebx, %1), %%mm0 \n\t" // line 6
"pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l5-1 : l5
"paddusb %%mm3, %%mm0 \n\t"
"paddusb %%mm1, %%mm0 \n\t"
"pxor %%mm2, %%mm0 \n\t"
"movq %%mm0, (%%ebx, %1) \n\t" // line 6
PAVGB(%%mm7, %%mm3) // d/8
PAVGB(%%mm7, %%mm1) // d/8
"movq (%%eax, %1), %%mm0 \n\t" // line 2
"pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l2-1 : l2
"psubusb %%mm3, %%mm0 \n\t"
"psubusb %%mm1, %%mm0 \n\t"
"pxor %%mm2, %%mm0 \n\t"
"movq %%mm0, (%%eax, %1) \n\t" // line 2
"movq (%%ebx, %1, 2), %%mm0 \n\t" // line 7
"pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l7-1 : l7
"paddusb %%mm3, %%mm0 \n\t"
"paddusb %%mm1, %%mm0 \n\t"
"pxor %%mm2, %%mm0 \n\t"
"movq %%mm0, (%%ebx, %1, 2) \n\t" // line 7
@ -739,7 +750,7 @@ static inline void vertX1Filter(uint8_t *src, int stride, int QP)
{
int a= src[l3] - src[l4];
int b= src[l4] - src[l5];
int c= src[l6] - src[l7];
int c= src[l5] - src[l6];
int d= MAX(ABS(b) - (ABS(a) + ABS(c))/2, 0);
@ -749,8 +760,8 @@ static inline void vertX1Filter(uint8_t *src, int stride, int QP)
src[l2] +=v/8;
src[l3] +=v/4;
src[l4] +=v/2;
src[l5] -=v/2;
src[l4] +=3*v/8;
src[l5] -=3*v/8;
src[l6] -=v/4;
src[l7] -=v/8;
@ -789,6 +800,211 @@ static inline void vertX1Filter(uint8_t *src, int stride, int QP)
#endif
}
/**
* Experimental Filter 1 (Horizontal)
* will not damage linear gradients
* Flat blocks should look like they where passed through the (1,1,2,2,4,2,2,1,1) 9-Tap filter
* can only smooth blocks at the expected locations (it cant smooth them if they did move)
* MMX2 version does correct clipping C version doesnt
* not identical with the vertical one
*/
static inline void horizX1Filter(uint8_t *src, int stride, int QP)
{
int y;
static uint64_t *lut= NULL;
if(lut==NULL)
{
int i;
lut= (uint64_t*)memalign(8, 256*8);
for(i=0; i<256; i++)
{
int v= i < 128 ? 2*i : 2*(i-256);
/*
//Simulate 112242211 9-Tap filter
uint64_t a= (v/16) & 0xFF;
uint64_t b= (v/8) & 0xFF;
uint64_t c= (v/4) & 0xFF;
uint64_t d= (3*v/8) & 0xFF;
*/
//Simulate piecewise linear interpolation
uint64_t a= (v/16) & 0xFF;
uint64_t b= (v*3/16) & 0xFF;
uint64_t c= (v*5/16) & 0xFF;
uint64_t d= (7*v/16) & 0xFF;
uint64_t A= (0x100 - a)&0xFF;
uint64_t B= (0x100 - b)&0xFF;
uint64_t C= (0x100 - c)&0xFF;
uint64_t D= (0x100 - c)&0xFF;
lut[i] = (a<<56) | (b<<48) | (c<<40) | (d<<32) |
(D<<24) | (C<<16) | (B<<8) | (A);
//lut[i] = (v<<32) | (v<<24);
}
}
#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
asm volatile(
"pxor %%mm7, %%mm7 \n\t" // 0
// "movq b80, %%mm6 \n\t" // MIN_SIGNED_BYTE
"leal (%0, %1), %%eax \n\t"
"leal (%%eax, %1, 4), %%ebx \n\t"
"movq b80, %%mm6 \n\t"
"movd %2, %%mm5 \n\t" // QP
"movq %%mm5, %%mm4 \n\t"
"paddusb %%mm5, %%mm5 \n\t" // 2QP
"paddusb %%mm5, %%mm4 \n\t" // 3QP
"pxor %%mm5, %%mm5 \n\t" // 0
"psubb %%mm4, %%mm5 \n\t" // -3QP
"por bm11111110, %%mm5 \n\t" // ...,FF,FF,-3QP
"psllq $24, %%mm5 \n\t"
// 0 1 2 3 4 5 6 7 8 9
// %0 eax eax+%1 eax+2%1 %0+4%1 ebx ebx+%1 ebx+2%1 %0+8%1 ebx+4%1
#define HX1old(a) \
"movd " #a ", %%mm0 \n\t"\
"movd 4" #a ", %%mm1 \n\t"\
"punpckldq %%mm1, %%mm0 \n\t"\
"movq %%mm0, %%mm1 \n\t"\
"movq %%mm0, %%mm2 \n\t"\
"psrlq $8, %%mm1 \n\t"\
"psubusb %%mm1, %%mm2 \n\t"\
"psubusb %%mm0, %%mm1 \n\t"\
"por %%mm2, %%mm1 \n\t" /* p´x = |px - p(x+1)| */\
"pcmpeqb %%mm7, %%mm2 \n\t" /* p´x = sgn[px - p(x+1)] */\
"pshufw $0x00, %%mm1, %%mm3 \n\t" /* p´5 = |p1 - p2| */\
PAVGB(%%mm1, %%mm3) /* p´5 = (|p2-p1| + |p6-p5|)/2 */\
"psrlq $16, %%mm3 \n\t" /* p´3 = (|p2-p1| + |p6-p5|)/2 */\
"psubusb %%mm3, %%mm1 \n\t" /* |p3-p4|-(|p2-p1| + |p6-p5|)/2 */\
"paddb %%mm5, %%mm1 \n\t"\
"psubusb %%mm5, %%mm1 \n\t"\
PAVGB(%%mm7, %%mm1)\
"pxor %%mm2, %%mm1 \n\t"\
"psubb %%mm2, %%mm1 \n\t"\
"psrlq $24, %%mm1 \n\t"\
"movd %%mm1, %%ecx \n\t"\
"paddb %%mm6, %%mm0 \n\t"\
"paddsb (%3, %%ecx, 8), %%mm0 \n\t"\
"paddb %%mm6, %%mm0 \n\t"\
"movq %%mm0, " #a " \n\t"\
/*
HX1old((%0))
HX1old((%%eax))
HX1old((%%eax, %1))
HX1old((%%eax, %1, 2))
HX1old((%0, %1, 4))
HX1old((%%ebx))
HX1old((%%ebx, %1))
HX1old((%%ebx, %1, 2))
*/
//FIXME add some comments, its unreadable ...
#define HX1b(a, c, b, d) \
"movd " #a ", %%mm0 \n\t"\
"movd 4" #a ", %%mm1 \n\t"\
"punpckldq %%mm1, %%mm0 \n\t"\
"movd " #b ", %%mm4 \n\t"\
"movq %%mm0, %%mm1 \n\t"\
"movq %%mm0, %%mm2 \n\t"\
"psrlq $8, %%mm1 \n\t"\
"movd 4" #b ", %%mm3 \n\t"\
"psubusb %%mm1, %%mm2 \n\t"\
"psubusb %%mm0, %%mm1 \n\t"\
"por %%mm2, %%mm1 \n\t" /* p´x = |px - p(x+1)| */\
"pcmpeqb %%mm7, %%mm2 \n\t" /* p´x = sgn[px - p(x+1)] */\
"punpckldq %%mm3, %%mm4 \n\t"\
"movq %%mm1, %%mm3 \n\t"\
"psllq $32, %%mm3 \n\t" /* p´5 = |p1 - p2| */\
PAVGB(%%mm1, %%mm3) /* p´5 = (|p2-p1| + |p6-p5|)/2 */\
"paddb %%mm6, %%mm0 \n\t"\
"psrlq $16, %%mm3 \n\t" /* p´3 = (|p2-p1| + |p6-p5|)/2 */\
"psubusb %%mm3, %%mm1 \n\t" /* |p3-p4|-(|p2-p1| + |p6-p5|)/2 */\
"movq %%mm4, %%mm3 \n\t"\
"paddb %%mm5, %%mm1 \n\t"\
"psubusb %%mm5, %%mm1 \n\t"\
"psrlq $8, %%mm3 \n\t"\
PAVGB(%%mm7, %%mm1)\
"pxor %%mm2, %%mm1 \n\t"\
"psubb %%mm2, %%mm1 \n\t"\
"movq %%mm4, %%mm2 \n\t"\
"psrlq $24, %%mm1 \n\t"\
"psubusb %%mm3, %%mm2 \n\t"\
"movd %%mm1, %%ecx \n\t"\
"psubusb %%mm4, %%mm3 \n\t"\
"paddsb (%3, %%ecx, 8), %%mm0 \n\t"\
"por %%mm2, %%mm3 \n\t" /* p´x = |px - p(x+1)| */\
"paddb %%mm6, %%mm0 \n\t"\
"pcmpeqb %%mm7, %%mm2 \n\t" /* p´x = sgn[px - p(x+1)] */\
"movq %%mm3, %%mm1 \n\t"\
"psllq $32, %%mm1 \n\t" /* p´5 = |p1 - p2| */\
"movq %%mm0, " #a " \n\t"\
PAVGB(%%mm3, %%mm1) /* p´5 = (|p2-p1| + |p6-p5|)/2 */\
"paddb %%mm6, %%mm4 \n\t"\
"psrlq $16, %%mm1 \n\t" /* p´3 = (|p2-p1| + |p6-p5|)/2 */\
"psubusb %%mm1, %%mm3 \n\t" /* |p3-p4|-(|p2-p1| + |p6-p5|)/2 */\
"paddb %%mm5, %%mm3 \n\t"\
"psubusb %%mm5, %%mm3 \n\t"\
PAVGB(%%mm7, %%mm3)\
"pxor %%mm2, %%mm3 \n\t"\
"psubb %%mm2, %%mm3 \n\t"\
"psrlq $24, %%mm3 \n\t"\
"movd " #c ", %%mm0 \n\t"\
"movd 4" #c ", %%mm1 \n\t"\
"punpckldq %%mm1, %%mm0 \n\t"\
"paddb %%mm6, %%mm0 \n\t"\
"paddsb (%3, %%ecx, 8), %%mm0 \n\t"\
"paddb %%mm6, %%mm0 \n\t"\
"movq %%mm0, " #c " \n\t"\
"movd %%mm3, %%ecx \n\t"\
"movd " #d ", %%mm0 \n\t"\
"paddsb (%3, %%ecx, 8), %%mm4 \n\t"\
"movd 4" #d ", %%mm1 \n\t"\
"paddb %%mm6, %%mm4 \n\t"\
"punpckldq %%mm1, %%mm0 \n\t"\
"movq %%mm4, " #b " \n\t"\
"paddb %%mm6, %%mm0 \n\t"\
"paddsb (%3, %%ecx, 8), %%mm0 \n\t"\
"paddb %%mm6, %%mm0 \n\t"\
"movq %%mm0, " #d " \n\t"\
HX1b((%0),(%%eax),(%%eax, %1),(%%eax, %1, 2))
HX1b((%0, %1, 4),(%%ebx),(%%ebx, %1),(%%ebx, %1, 2))
:
: "r" (src), "r" (stride), "r" (QP), "r" (lut)
: "%eax", "%ebx", "%ecx"
);
#else
//FIXME (has little in common with the mmx2 version)
for(y=0; y<BLOCK_SIZE; y++)
{
int a= src[1] - src[2];
int b= src[3] - src[4];
int c= src[5] - src[6];
int d= MAX(ABS(b) - (ABS(a) + ABS(c))/2, 0);
if(d < QP)
{
int v = d * SIGN(-b);
src[1] +=v/8;
src[2] +=v/4;
src[3] +=3*v/8;
src[4] -=3*v/8;
src[5] -=v/4;
src[6] -=v/8;
}
src+=stride;
}
#endif
}
static inline void doVertDefFilter(uint8_t src[], int stride, int QP)
{
@ -1638,13 +1854,14 @@ void postprocess(unsigned char * src[], int src_stride,
vertical_size >>= 1;
src_stride >>= 1;
dst_stride >>= 1;
mode= ((mode&0xFF)>>4) | (mode&0xFFFFFF00);
if(1)
{
postProcess(src[1], src_stride, dst[1], dst_stride,
horizontal_size, vertical_size, QP_store, QP_stride, 1, mode >>4);
horizontal_size, vertical_size, QP_store, QP_stride, 1, mode);
postProcess(src[2], src_stride, dst[2], dst_stride,
horizontal_size, vertical_size, QP_store, QP_stride, 1, mode >>4);
horizontal_size, vertical_size, QP_store, QP_stride, 1, mode);
}
else
{
@ -1929,9 +2146,9 @@ void postProcess(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int
#endif
if(mode & V_DEBLOCK)
{
if(mode & RK_FILTER)
vertRKFilter(vertBlock, stride, QP);
else if(mode & X1_FILTER)
if(mode & V_RK1_FILTER)
vertRK1Filter(vertBlock, stride, QP);
else if(mode & V_X1_FILTER)
vertX1Filter(vertBlock, stride, QP);
else
{
@ -1961,6 +2178,10 @@ void postProcess(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int
T0= rdtsc();
#endif
if(mode & H_DEBLOCK)
{
if(mode & H_X1_FILTER)
horizX1Filter(dstBlock-4, stride, QP);
else
{
if( isHorizDCAndCopy2Temp(dstBlock-4, stride))
{
@ -1970,6 +2191,7 @@ void postProcess(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int
else
doHorizDefFilterAndCopyBack(dstBlock-4, stride, QP);
}
}
#ifdef MORE_TIMEING
T1= rdtsc();
horizTime+= T1-T0;

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