0,0 → 1,2118 |
/* |
* Copyright (C) 2003 Michael Niedermayer <michaelni@gmx.at> |
* Copyright (C) 2005 Nikolaj Poroshin <porosh3@psu.ru> |
* |
* This file is part of MPlayer. |
* |
* MPlayer 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 |
* (at your option) any later version. |
* |
* MPlayer is distributed in the hope that it will be useful, |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
* GNU General Public License for more details. |
* |
* You should have received a copy of the GNU General Public License along |
* with MPlayer; if not, write to the Free Software Foundation, Inc., |
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
*/ |
|
/* |
* This implementation is based on an algorithm described in |
* "Aria Nosratinia Embedded Post-Processing for |
* Enhancement of Compressed Images (1999)" |
* (http://citeseer.nj.nec.com/nosratinia99embedded.html) |
* Futher, with splitting (i)dct into hor/ver passes, one of them can be |
* performed once per block, not pixel. This allows for much better speed. |
*/ |
|
/* |
Heavily optimized version of SPP filter by Nikolaj |
*/ |
|
#include <stdio.h> |
#include <stdlib.h> |
#include <string.h> |
#include <inttypes.h> |
#include <math.h> |
|
#include "config.h" |
|
#include "mp_msg.h" |
#include "cpudetect.h" |
#include "img_format.h" |
#include "mp_image.h" |
#include "vf.h" |
#include "av_helpers.h" |
#include "libvo/fastmemcpy.h" |
|
#include "libavutil/internal.h" |
#include "libavutil/intreadwrite.h" |
#include "libavutil/mem.h" |
#include "libavutil/x86/asm.h" |
#include "libavcodec/avcodec.h" |
#include "libavcodec/dsputil.h" |
|
#undef free |
#undef malloc |
|
//===========================================================================// |
#define BLOCKSZ 12 |
|
static const short custom_threshold[64]= |
// values (296) can't be too high |
// -it causes too big quant dependence |
// or maybe overflow(check), which results in some flashing |
{ 71, 296, 295, 237, 71, 40, 38, 19, |
245, 193, 185, 121, 102, 73, 53, 27, |
158, 129, 141, 107, 97, 73, 50, 26, |
102, 116, 109, 98, 82, 66, 45, 23, |
71, 94, 95, 81, 70, 56, 38, 20, |
56, 77, 74, 66, 56, 44, 30, 15, |
38, 53, 50, 45, 38, 30, 21, 11, |
20, 27, 26, 23, 20, 15, 11, 5 |
}; |
|
static const uint8_t __attribute__((aligned(32))) dither[8][8]={ |
{ 0, 48, 12, 60, 3, 51, 15, 63, }, |
{ 32, 16, 44, 28, 35, 19, 47, 31, }, |
{ 8, 56, 4, 52, 11, 59, 7, 55, }, |
{ 40, 24, 36, 20, 43, 27, 39, 23, }, |
{ 2, 50, 14, 62, 1, 49, 13, 61, }, |
{ 34, 18, 46, 30, 33, 17, 45, 29, }, |
{ 10, 58, 6, 54, 9, 57, 5, 53, }, |
{ 42, 26, 38, 22, 41, 25, 37, 21, }, |
}; |
|
struct vf_priv_s { //align 16 ! |
uint64_t threshold_mtx_noq[8*2]; |
uint64_t threshold_mtx[8*2];//used in both C & MMX (& later SSE2) versions |
|
int log2_count; |
int temp_stride; |
int qp; |
int mpeg2; |
int prev_q; |
uint8_t *src; |
int16_t *temp; |
int bframes; |
char *non_b_qp; |
}; |
|
|
#if !HAVE_MMX |
|
//This func reads from 1 slice, 1 and clears 0 & 1 |
static void store_slice_c(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int height, int log2_scale) |
{int y, x; |
#define STORE(pos) \ |
temp= (src[x + pos] + (d[pos]>>log2_scale))>>(6-log2_scale); \ |
src[x + pos]=src[x + pos - 8*src_stride]=0; \ |
if(temp & 0x100) temp= ~(temp>>31); \ |
dst[x + pos]= temp; |
|
for(y=0; y<height; y++){ |
const uint8_t *d= dither[y]; |
for(x=0; x<width; x+=8){ |
int temp; |
STORE(0); |
STORE(1); |
STORE(2); |
STORE(3); |
STORE(4); |
STORE(5); |
STORE(6); |
STORE(7); |
} |
src+=src_stride; |
dst+=dst_stride; |
} |
} |
|
//This func reads from 2 slices, 0 & 2 and clears 2-nd |
static void store_slice2_c(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int height, int log2_scale) |
{int y, x; |
#define STORE2(pos) \ |
temp= (src[x + pos] + src[x + pos + 16*src_stride] + (d[pos]>>log2_scale))>>(6-log2_scale); \ |
src[x + pos + 16*src_stride]=0; \ |
if(temp & 0x100) temp= ~(temp>>31); \ |
dst[x + pos]= temp; |
|
for(y=0; y<height; y++){ |
const uint8_t *d= dither[y]; |
for(x=0; x<width; x+=8){ |
int temp; |
STORE2(0); |
STORE2(1); |
STORE2(2); |
STORE2(3); |
STORE2(4); |
STORE2(5); |
STORE2(6); |
STORE2(7); |
} |
src+=src_stride; |
dst+=dst_stride; |
} |
} |
|
static void mul_thrmat_c(struct vf_priv_s *p,int q) |
{ |
int a; |
for(a=0;a<64;a++) |
((short*)p->threshold_mtx)[a]=q * ((short*)p->threshold_mtx_noq)[a];//ints faster in C |
} |
|
static void column_fidct_c(int16_t* thr_adr, int16_t *data, int16_t *output, int cnt); |
static void row_idct_c(int16_t* workspace, |
int16_t* output_adr, int output_stride, int cnt); |
static void row_fdct_c(int16_t *data, const uint8_t *pixels, int line_size, int cnt); |
|
//this is rather ugly, but there is no need for function pointers |
#define store_slice_s store_slice_c |
#define store_slice2_s store_slice2_c |
#define mul_thrmat_s mul_thrmat_c |
#define column_fidct_s column_fidct_c |
#define row_idct_s row_idct_c |
#define row_fdct_s row_fdct_c |
|
#else /* HAVE_MMX */ |
|
//This func reads from 1 slice, 1 and clears 0 & 1 |
static void store_slice_mmx(uint8_t *dst, int16_t *src, long dst_stride, long src_stride, long width, long height, long log2_scale) |
{ |
const uint8_t *od=&dither[0][0]; |
const uint8_t *end=&dither[height][0]; |
width = (width+7)&~7; |
dst_stride-=width; |
//src_stride=(src_stride-width)*2; |
__asm__ volatile( |
"mov %5, %%"REG_d" \n\t" |
"mov %6, %%"REG_S" \n\t" |
"mov %7, %%"REG_D" \n\t" |
"mov %1, %%"REG_a" \n\t" |
"movd %%"REG_d", %%mm5 \n\t" |
"xor $-1, %%"REG_d" \n\t" |
"mov %%"REG_a", %%"REG_c" \n\t" |
"add $7, %%"REG_d" \n\t" |
"neg %%"REG_a" \n\t" |
"sub %0, %%"REG_c" \n\t" |
"add %%"REG_c", %%"REG_c" \n\t" |
"movd %%"REG_d", %%mm2 \n\t" |
"mov %%"REG_c", %1 \n\t" |
"mov %2, %%"REG_d" \n\t" |
"shl $4, %%"REG_a" \n\t" |
|
"2: \n\t" |
"movq (%%"REG_d"), %%mm3 \n\t" |
"movq %%mm3, %%mm4 \n\t" |
"pxor %%mm7, %%mm7 \n\t" |
"punpcklbw %%mm7, %%mm3 \n\t" |
"punpckhbw %%mm7, %%mm4 \n\t" |
"mov %0, %%"REG_c" \n\t" |
"psraw %%mm5, %%mm3 \n\t" |
"psraw %%mm5, %%mm4 \n\t" |
"1: \n\t" |
"movq %%mm7, (%%"REG_S",%%"REG_a",) \n\t" |
"movq (%%"REG_S"), %%mm0 \n\t" |
"movq 8(%%"REG_S"), %%mm1 \n\t" |
|
"movq %%mm7, 8(%%"REG_S",%%"REG_a",) \n\t" |
"paddw %%mm3, %%mm0 \n\t" |
"paddw %%mm4, %%mm1 \n\t" |
|
"movq %%mm7, (%%"REG_S") \n\t" |
"psraw %%mm2, %%mm0 \n\t" |
"psraw %%mm2, %%mm1 \n\t" |
|
"movq %%mm7, 8(%%"REG_S") \n\t" |
"packuswb %%mm1, %%mm0 \n\t" |
"add $16, %%"REG_S" \n\t" |
|
"movq %%mm0, (%%"REG_D") \n\t" |
"add $8, %%"REG_D" \n\t" |
"sub $8, %%"REG_c" \n\t" |
"jg 1b \n\t" |
"add %1, %%"REG_S" \n\t" |
"add $8, %%"REG_d" \n\t" |
"add %3, %%"REG_D" \n\t" |
"cmp %4, %%"REG_d" \n\t" |
"jl 2b \n\t" |
|
: |
: "m" (width), "m" (src_stride), "erm" (od), "m" (dst_stride), "erm" (end), |
"m" (log2_scale), "m" (src), "m" (dst) //input |
: "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D |
); |
} |
|
//This func reads from 2 slices, 0 & 2 and clears 2-nd |
static void store_slice2_mmx(uint8_t *dst, int16_t *src, long dst_stride, long src_stride, long width, long height, long log2_scale) |
{ |
const uint8_t *od=&dither[0][0]; |
const uint8_t *end=&dither[height][0]; |
width = (width+7)&~7; |
dst_stride-=width; |
//src_stride=(src_stride-width)*2; |
__asm__ volatile( |
"mov %5, %%"REG_d" \n\t" |
"mov %6, %%"REG_S" \n\t" |
"mov %7, %%"REG_D" \n\t" |
"mov %1, %%"REG_a" \n\t" |
"movd %%"REG_d", %%mm5 \n\t" |
"xor $-1, %%"REG_d" \n\t" |
"mov %%"REG_a", %%"REG_c" \n\t" |
"add $7, %%"REG_d" \n\t" |
"sub %0, %%"REG_c" \n\t" |
"add %%"REG_c", %%"REG_c" \n\t" |
"movd %%"REG_d", %%mm2 \n\t" |
"mov %%"REG_c", %1 \n\t" |
"mov %2, %%"REG_d" \n\t" |
"shl $5, %%"REG_a" \n\t" |
|
"2: \n\t" |
"movq (%%"REG_d"), %%mm3 \n\t" |
"movq %%mm3, %%mm4 \n\t" |
"pxor %%mm7, %%mm7 \n\t" |
"punpcklbw %%mm7, %%mm3 \n\t" |
"punpckhbw %%mm7, %%mm4 \n\t" |
"mov %0, %%"REG_c" \n\t" |
"psraw %%mm5, %%mm3 \n\t" |
"psraw %%mm5, %%mm4 \n\t" |
"1: \n\t" |
"movq (%%"REG_S"), %%mm0 \n\t" |
"movq 8(%%"REG_S"), %%mm1 \n\t" |
"paddw %%mm3, %%mm0 \n\t" |
|
"paddw (%%"REG_S",%%"REG_a",), %%mm0 \n\t" |
"paddw %%mm4, %%mm1 \n\t" |
"movq 8(%%"REG_S",%%"REG_a",), %%mm6 \n\t" |
|
"movq %%mm7, (%%"REG_S",%%"REG_a",) \n\t" |
"psraw %%mm2, %%mm0 \n\t" |
"paddw %%mm6, %%mm1 \n\t" |
|
"movq %%mm7, 8(%%"REG_S",%%"REG_a",) \n\t" |
"psraw %%mm2, %%mm1 \n\t" |
"packuswb %%mm1, %%mm0 \n\t" |
|
"movq %%mm0, (%%"REG_D") \n\t" |
"add $16, %%"REG_S" \n\t" |
"add $8, %%"REG_D" \n\t" |
"sub $8, %%"REG_c" \n\t" |
"jg 1b \n\t" |
"add %1, %%"REG_S" \n\t" |
"add $8, %%"REG_d" \n\t" |
"add %3, %%"REG_D" \n\t" |
"cmp %4, %%"REG_d" \n\t" |
"jl 2b \n\t" |
|
: |
: "m" (width), "m" (src_stride), "erm" (od), "m" (dst_stride), "erm" (end), |
"m" (log2_scale), "m" (src), "m" (dst) //input |
: "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_D, "%"REG_S |
); |
} |
|
static void mul_thrmat_mmx(struct vf_priv_s *p, int q) |
{ |
uint64_t *adr=&p->threshold_mtx_noq[0]; |
__asm__ volatile( |
"movd %0, %%mm7 \n\t" |
"add $8*8*2, %%"REG_D" \n\t" |
"movq 0*8(%%"REG_S"), %%mm0 \n\t" |
"punpcklwd %%mm7, %%mm7 \n\t" |
"movq 1*8(%%"REG_S"), %%mm1 \n\t" |
"punpckldq %%mm7, %%mm7 \n\t" |
"pmullw %%mm7, %%mm0 \n\t" |
|
"movq 2*8(%%"REG_S"), %%mm2 \n\t" |
"pmullw %%mm7, %%mm1 \n\t" |
|
"movq 3*8(%%"REG_S"), %%mm3 \n\t" |
"pmullw %%mm7, %%mm2 \n\t" |
|
"movq %%mm0, 0*8(%%"REG_D") \n\t" |
"movq 4*8(%%"REG_S"), %%mm4 \n\t" |
"pmullw %%mm7, %%mm3 \n\t" |
|
"movq %%mm1, 1*8(%%"REG_D") \n\t" |
"movq 5*8(%%"REG_S"), %%mm5 \n\t" |
"pmullw %%mm7, %%mm4 \n\t" |
|
"movq %%mm2, 2*8(%%"REG_D") \n\t" |
"movq 6*8(%%"REG_S"), %%mm6 \n\t" |
"pmullw %%mm7, %%mm5 \n\t" |
|
"movq %%mm3, 3*8(%%"REG_D") \n\t" |
"movq 7*8+0*8(%%"REG_S"), %%mm0 \n\t" |
"pmullw %%mm7, %%mm6 \n\t" |
|
"movq %%mm4, 4*8(%%"REG_D") \n\t" |
"movq 7*8+1*8(%%"REG_S"), %%mm1 \n\t" |
"pmullw %%mm7, %%mm0 \n\t" |
|
"movq %%mm5, 5*8(%%"REG_D") \n\t" |
"movq 7*8+2*8(%%"REG_S"), %%mm2 \n\t" |
"pmullw %%mm7, %%mm1 \n\t" |
|
"movq %%mm6, 6*8(%%"REG_D") \n\t" |
"movq 7*8+3*8(%%"REG_S"), %%mm3 \n\t" |
"pmullw %%mm7, %%mm2 \n\t" |
|
"movq %%mm0, 7*8+0*8(%%"REG_D") \n\t" |
"movq 7*8+4*8(%%"REG_S"), %%mm4 \n\t" |
"pmullw %%mm7, %%mm3 \n\t" |
|
"movq %%mm1, 7*8+1*8(%%"REG_D") \n\t" |
"movq 7*8+5*8(%%"REG_S"), %%mm5 \n\t" |
"pmullw %%mm7, %%mm4 \n\t" |
|
"movq %%mm2, 7*8+2*8(%%"REG_D") \n\t" |
"movq 7*8+6*8(%%"REG_S"), %%mm6 \n\t" |
"pmullw %%mm7, %%mm5 \n\t" |
|
"movq %%mm3, 7*8+3*8(%%"REG_D") \n\t" |
"movq 14*8+0*8(%%"REG_S"), %%mm0 \n\t" |
"pmullw %%mm7, %%mm6 \n\t" |
|
"movq %%mm4, 7*8+4*8(%%"REG_D") \n\t" |
"movq 14*8+1*8(%%"REG_S"), %%mm1 \n\t" |
"pmullw %%mm7, %%mm0 \n\t" |
|
"movq %%mm5, 7*8+5*8(%%"REG_D") \n\t" |
"pmullw %%mm7, %%mm1 \n\t" |
|
"movq %%mm6, 7*8+6*8(%%"REG_D") \n\t" |
"movq %%mm0, 14*8+0*8(%%"REG_D") \n\t" |
"movq %%mm1, 14*8+1*8(%%"REG_D") \n\t" |
|
: "+g" (q), "+S" (adr), "+D" (adr) |
: |
); |
} |
|
static void column_fidct_mmx(int16_t* thr_adr, int16_t *data, int16_t *output, int cnt); |
static void row_idct_mmx(int16_t* workspace, |
int16_t* output_adr, int output_stride, int cnt); |
static void row_fdct_mmx(int16_t *data, const uint8_t *pixels, int line_size, int cnt); |
|
#define store_slice_s store_slice_mmx |
#define store_slice2_s store_slice2_mmx |
#define mul_thrmat_s mul_thrmat_mmx |
#define column_fidct_s column_fidct_mmx |
#define row_idct_s row_idct_mmx |
#define row_fdct_s row_fdct_mmx |
#endif // HAVE_MMX |
|
static void filter(struct vf_priv_s *p, uint8_t *dst, uint8_t *src, |
int dst_stride, int src_stride, |
int width, int height, |
uint8_t *qp_store, int qp_stride, int is_luma) |
{ |
int x, x0, y, es, qy, t; |
const int stride= is_luma ? p->temp_stride : (width+16);//((width+16+15)&(~15)) |
const int step=6-p->log2_count; |
const int qps= 3 + is_luma; |
int32_t __attribute__((aligned(32))) block_align[4*8*BLOCKSZ+ 4*8*BLOCKSZ]; |
int16_t *block= (int16_t *)block_align; |
int16_t *block3=(int16_t *)(block_align+4*8*BLOCKSZ); |
|
memset(block3, 0, 4*8*BLOCKSZ); |
|
//p->src=src-src_stride*8-8;//! |
if (!src || !dst) return; // HACK avoid crash for Y8 colourspace |
for(y=0; y<height; y++){ |
int index= 8 + 8*stride + y*stride; |
fast_memcpy(p->src + index, src + y*src_stride, width);//this line can be avoided by using DR & user fr.buffers |
for(x=0; x<8; x++){ |
p->src[index - x - 1]= p->src[index + x ]; |
p->src[index + width + x ]= p->src[index + width - x - 1]; |
} |
} |
for(y=0; y<8; y++){ |
fast_memcpy(p->src + ( 7-y)*stride, p->src + ( y+8)*stride, stride); |
fast_memcpy(p->src + (height+8+y)*stride, p->src + (height-y+7)*stride, stride); |
} |
//FIXME (try edge emu) |
|
for(y=8; y<24; y++) |
memset(p->temp+ 8 +y*stride, 0,width*sizeof(int16_t)); |
|
for(y=step; y<height+8; y+=step){ //step= 1,2 |
qy=y-4; |
if (qy>height-1) qy=height-1; |
if (qy<0) qy=0; |
qy=(qy>>qps)*qp_stride; |
row_fdct_s(block, p->src + y*stride +2-(y&1), stride, 2); |
for(x0=0; x0<width+8-8*(BLOCKSZ-1); x0+=8*(BLOCKSZ-1)){ |
row_fdct_s(block+8*8, p->src + y*stride+8+x0 +2-(y&1), stride, 2*(BLOCKSZ-1)); |
if(p->qp) |
column_fidct_s((int16_t*)(&p->threshold_mtx[0]), block+0*8, block3+0*8, 8*(BLOCKSZ-1)); //yes, this is a HOTSPOT |
else |
for (x=0; x<8*(BLOCKSZ-1); x+=8) { |
t=x+x0-2; //correct t=x+x0-2-(y&1), but its the same |
if (t<0) t=0;//t always < width-2 |
t=qp_store[qy+(t>>qps)]; |
t=norm_qscale(t, p->mpeg2); |
if (t!=p->prev_q) p->prev_q=t, mul_thrmat_s(p, t); |
column_fidct_s((int16_t*)(&p->threshold_mtx[0]), block+x*8, block3+x*8, 8); //yes, this is a HOTSPOT |
} |
row_idct_s(block3+0*8, p->temp + (y&15)*stride+x0+2-(y&1), stride, 2*(BLOCKSZ-1)); |
memmove(block, block+(BLOCKSZ-1)*64, 8*8*sizeof(int16_t)); //cycling |
memmove(block3, block3+(BLOCKSZ-1)*64, 6*8*sizeof(int16_t)); |
} |
// |
es=width+8-x0; // 8, ... |
if (es>8) |
row_fdct_s(block+8*8, p->src + y*stride+8+x0 +2-(y&1), stride, (es-4)>>2); |
column_fidct_s((int16_t*)(&p->threshold_mtx[0]), block, block3, es&(~1)); |
row_idct_s(block3+0*8, p->temp + (y&15)*stride+x0+2-(y&1), stride, es>>2); |
{const int y1=y-8+step;//l5-7 l4-6 |
if (!(y1&7) && y1) { |
if (y1&8) store_slice_s(dst + (y1-8)*dst_stride, p->temp+ 8 +8*stride, |
dst_stride, stride, width, 8, 5-p->log2_count); |
else store_slice2_s(dst + (y1-8)*dst_stride, p->temp+ 8 +0*stride, |
dst_stride, stride, width, 8, 5-p->log2_count); |
} } |
} |
|
if (y&7) { // == height & 7 |
if (y&8) store_slice_s(dst + ((y-8)&~7)*dst_stride, p->temp+ 8 +8*stride, |
dst_stride, stride, width, y&7, 5-p->log2_count); |
else store_slice2_s(dst + ((y-8)&~7)*dst_stride, p->temp+ 8 +0*stride, |
dst_stride, stride, width, y&7, 5-p->log2_count); |
} |
} |
|
static int config(struct vf_instance *vf, |
int width, int height, int d_width, int d_height, |
unsigned int flags, unsigned int outfmt) |
{ |
int h= (height+16+15)&(~15); |
|
vf->priv->temp_stride= (width+16+15)&(~15); |
vf->priv->temp= (int16_t*)av_mallocz(vf->priv->temp_stride*3*8*sizeof(int16_t)); |
//this can also be avoided, see above |
vf->priv->src = (uint8_t*)av_malloc(vf->priv->temp_stride*h*sizeof(uint8_t)); |
|
return ff_vf_next_config(vf,width,height,d_width,d_height,flags,outfmt); |
} |
|
static void get_image(struct vf_instance *vf, mp_image_t *mpi) |
{ |
if(mpi->flags&MP_IMGFLAG_PRESERVE) return; // don't change |
// ok, we can do pp in-place (or pp disabled): |
vf->dmpi=ff_vf_get_image(vf->next,mpi->imgfmt, |
mpi->type, mpi->flags, mpi->width, mpi->height); |
mpi->planes[0]=vf->dmpi->planes[0]; |
mpi->stride[0]=vf->dmpi->stride[0]; |
mpi->width=vf->dmpi->width; |
if(mpi->flags&MP_IMGFLAG_PLANAR){ |
mpi->planes[1]=vf->dmpi->planes[1]; |
mpi->planes[2]=vf->dmpi->planes[2]; |
mpi->stride[1]=vf->dmpi->stride[1]; |
mpi->stride[2]=vf->dmpi->stride[2]; |
} |
mpi->flags|=MP_IMGFLAG_DIRECT; |
} |
|
static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts) |
{ |
mp_image_t *dmpi; |
if(!(mpi->flags&MP_IMGFLAG_DIRECT)){ |
// no DR, so get a new image! hope we'll get DR buffer: |
dmpi=ff_vf_get_image(vf->next,mpi->imgfmt, |
MP_IMGTYPE_TEMP, |
MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_PREFER_ALIGNED_STRIDE, |
mpi->width,mpi->height); |
ff_vf_clone_mpi_attributes(dmpi, mpi); |
}else{ |
dmpi=vf->dmpi; |
} |
|
vf->priv->mpeg2= mpi->qscale_type; |
if(mpi->pict_type != 3 && mpi->qscale && !vf->priv->qp){ |
int w = mpi->qstride; |
int h = (mpi->h + 15) >> 4; |
if (!w) { |
w = (mpi->w + 15) >> 4; |
h = 1; |
} |
if(!vf->priv->non_b_qp) |
vf->priv->non_b_qp= malloc(w*h); |
fast_memcpy(vf->priv->non_b_qp, mpi->qscale, w*h); |
} |
if(vf->priv->log2_count || !(mpi->flags&MP_IMGFLAG_DIRECT)){ |
char *qp_tab= vf->priv->non_b_qp; |
if(vf->priv->bframes || !qp_tab) |
qp_tab= mpi->qscale; |
|
if(qp_tab || vf->priv->qp){ |
filter(vf->priv, dmpi->planes[0], mpi->planes[0], dmpi->stride[0], mpi->stride[0], |
mpi->w, mpi->h, qp_tab, mpi->qstride, 1); |
filter(vf->priv, dmpi->planes[1], mpi->planes[1], dmpi->stride[1], mpi->stride[1], |
mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, qp_tab, mpi->qstride, 0); |
filter(vf->priv, dmpi->planes[2], mpi->planes[2], dmpi->stride[2], mpi->stride[2], |
mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, qp_tab, mpi->qstride, 0); |
}else{ |
memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h, dmpi->stride[0], mpi->stride[0]); |
memcpy_pic(dmpi->planes[1], mpi->planes[1], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, dmpi->stride[1], mpi->stride[1]); |
memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, dmpi->stride[2], mpi->stride[2]); |
} |
} |
|
#if HAVE_MMX |
if(ff_gCpuCaps.hasMMX) __asm__ volatile ("emms\n\t"); |
#endif |
#if HAVE_MMX2 |
if(ff_gCpuCaps.hasMMX2) __asm__ volatile ("sfence\n\t"); |
#endif |
return ff_vf_next_put_image(vf,dmpi, pts); |
} |
|
static void uninit(struct vf_instance *vf) |
{ |
if(!vf->priv) return; |
|
av_free(vf->priv->temp); |
vf->priv->temp= NULL; |
av_free(vf->priv->src); |
vf->priv->src= NULL; |
//free(vf->priv->avctx); |
//vf->priv->avctx= NULL; |
free(vf->priv->non_b_qp); |
vf->priv->non_b_qp= NULL; |
|
av_free(vf->priv); |
vf->priv=NULL; |
} |
|
//===========================================================================// |
|
static int query_format(struct vf_instance *vf, unsigned int fmt) |
{ |
switch(fmt){ |
case IMGFMT_YVU9: |
case IMGFMT_IF09: |
case IMGFMT_YV12: |
case IMGFMT_I420: |
case IMGFMT_IYUV: |
case IMGFMT_CLPL: |
case IMGFMT_Y800: |
case IMGFMT_Y8: |
case IMGFMT_444P: |
case IMGFMT_422P: |
case IMGFMT_411P: |
return ff_vf_next_query_format(vf,fmt); |
} |
return 0; |
} |
|
static int control(struct vf_instance *vf, int request, void* data) |
{ |
switch(request){ |
case VFCTRL_QUERY_MAX_PP_LEVEL: |
return 5; |
case VFCTRL_SET_PP_LEVEL: |
vf->priv->log2_count= *((unsigned int*)data); |
if (vf->priv->log2_count < 4) vf->priv->log2_count=4; |
return CONTROL_TRUE; |
} |
return ff_vf_next_control(vf,request,data); |
} |
|
static int vf_open(vf_instance_t *vf, char *args) |
{ |
int i=0, bias; |
int custom_threshold_m[64]; |
int log2c=-1; |
|
vf->config=config; |
vf->put_image=put_image; |
vf->get_image=get_image; |
vf->query_format=query_format; |
vf->uninit=uninit; |
vf->control= control; |
vf->priv=av_mallocz(sizeof(struct vf_priv_s));//assumes align 16 ! |
|
ff_init_avcodec(); |
|
//vf->priv->avctx= avcodec_alloc_context(); |
//dsputil_init(&vf->priv->dsp, vf->priv->avctx); |
|
vf->priv->log2_count= 4; |
vf->priv->bframes = 0; |
|
if (args) sscanf(args, "%d:%d:%d:%d", &log2c, &vf->priv->qp, &i, &vf->priv->bframes); |
|
if( log2c >=4 && log2c <=5 ) |
vf->priv->log2_count = log2c; |
else if( log2c >= 6 ) |
vf->priv->log2_count = 5; |
|
if(vf->priv->qp < 0) |
vf->priv->qp = 0; |
|
if (i < -15) i = -15; |
if (i > 32) i = 32; |
|
bias= (1<<4)+i; //regulable |
vf->priv->prev_q=0; |
// |
for(i=0;i<64;i++) //FIXME: tune custom_threshold[] and remove this ! |
custom_threshold_m[i]=(int)(custom_threshold[i]*(bias/71.)+ 0.5); |
for(i=0;i<8;i++){ |
vf->priv->threshold_mtx_noq[2*i]=(uint64_t)custom_threshold_m[i*8+2] |
|(((uint64_t)custom_threshold_m[i*8+6])<<16) |
|(((uint64_t)custom_threshold_m[i*8+0])<<32) |
|(((uint64_t)custom_threshold_m[i*8+4])<<48); |
vf->priv->threshold_mtx_noq[2*i+1]=(uint64_t)custom_threshold_m[i*8+5] |
|(((uint64_t)custom_threshold_m[i*8+3])<<16) |
|(((uint64_t)custom_threshold_m[i*8+1])<<32) |
|(((uint64_t)custom_threshold_m[i*8+7])<<48); |
} |
|
if (vf->priv->qp) vf->priv->prev_q=vf->priv->qp, mul_thrmat_s(vf->priv, vf->priv->qp); |
|
return 1; |
} |
|
const vf_info_t ff_vf_info_fspp = { |
"fast simple postprocess", |
"fspp", |
"Michael Niedermayer, Nikolaj Poroshin", |
"", |
vf_open, |
NULL |
}; |
|
//==================================================================== |
//Specific spp's dct, idct and threshold functions |
//I'd prefer to have them in the separate file. |
|
//#define MANGLE(a) #a |
|
//typedef int16_t int16_t; //! only int16_t |
|
#define DCTSIZE 8 |
#define DCTSIZE_S "8" |
|
#define FIX(x,s) ((int) ((x) * (1<<s) + 0.5)&0xffff) |
#define C64(x) ((uint64_t)((x)|(x)<<16))<<32 | (uint64_t)(x) | (uint64_t)(x)<<16 |
#define FIX64(x,s) C64(FIX(x,s)) |
|
#define MULTIPLY16H(x,k) (((x)*(k))>>16) |
#define THRESHOLD(r,x,t) if(((unsigned)((x)+t))>t*2) r=(x);else r=0; |
#define DESCALE(x,n) (((x) + (1 << ((n)-1))) >> n) |
|
#if HAVE_MMX |
|
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_382683433)=FIX64(0.382683433, 14); |
DECLARE_ALIGNED(8, uint64_t, ff_MM_FIX_0_541196100)=FIX64(0.541196100, 14); |
DECLARE_ALIGNED(8, uint64_t, ff_MM_FIX_0_707106781)=FIX64(0.707106781, 14); |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_306562965)=FIX64(1.306562965, 14); |
|
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_414213562_A)=FIX64(1.414213562, 14); |
|
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_847759065)=FIX64(1.847759065, 13); |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_2_613125930)=FIX64(-2.613125930, 13); //- |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_414213562)=FIX64(1.414213562, 13); |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_082392200)=FIX64(1.082392200, 13); |
//for t3,t5,t7 == 0 shortcut |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_847759065)=FIX64(0.847759065, 14); |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_566454497)=FIX64(0.566454497, 14); |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_198912367)=FIX64(0.198912367, 14); |
|
DECLARE_ASM_CONST(8, uint64_t, MM_DESCALE_RND)=C64(4); |
DECLARE_ASM_CONST(8, uint64_t, MM_2)=C64(2); |
|
#else /* !HAVE_MMX */ |
|
typedef int32_t int_simd16_t; |
static const int16_t FIX_0_382683433=FIX(0.382683433, 14); |
static const int16_t FIX_0_541196100=FIX(0.541196100, 14); |
static const int16_t FIX_0_707106781=FIX(0.707106781, 14); |
static const int16_t FIX_1_306562965=FIX(1.306562965, 14); |
static const int16_t FIX_1_414213562_A=FIX(1.414213562, 14); |
static const int16_t FIX_1_847759065=FIX(1.847759065, 13); |
static const int16_t FIX_2_613125930=FIX(-2.613125930, 13); //- |
static const int16_t FIX_1_414213562=FIX(1.414213562, 13); |
static const int16_t FIX_1_082392200=FIX(1.082392200, 13); |
|
#endif |
|
#if !HAVE_MMX |
|
static void column_fidct_c(int16_t* thr_adr, int16_t *data, int16_t *output, int cnt) |
{ |
int_simd16_t tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; |
int_simd16_t tmp10, tmp11, tmp12, tmp13; |
int_simd16_t z1,z2,z3,z4,z5, z10, z11, z12, z13; |
int_simd16_t d0, d1, d2, d3, d4, d5, d6, d7; |
|
int16_t* dataptr; |
int16_t* wsptr; |
int16_t *threshold; |
int ctr; |
|
dataptr = data; |
wsptr = output; |
|
for (; cnt > 0; cnt-=2) { //start positions |
threshold=(int16_t*)thr_adr;//threshold_mtx |
for (ctr = DCTSIZE; ctr > 0; ctr--) { |
// Process columns from input, add to output. |
tmp0 = dataptr[DCTSIZE*0] + dataptr[DCTSIZE*7]; |
tmp7 = dataptr[DCTSIZE*0] - dataptr[DCTSIZE*7]; |
|
tmp1 = dataptr[DCTSIZE*1] + dataptr[DCTSIZE*6]; |
tmp6 = dataptr[DCTSIZE*1] - dataptr[DCTSIZE*6]; |
|
tmp2 = dataptr[DCTSIZE*2] + dataptr[DCTSIZE*5]; |
tmp5 = dataptr[DCTSIZE*2] - dataptr[DCTSIZE*5]; |
|
tmp3 = dataptr[DCTSIZE*3] + dataptr[DCTSIZE*4]; |
tmp4 = dataptr[DCTSIZE*3] - dataptr[DCTSIZE*4]; |
|
// Even part of FDCT |
|
tmp10 = tmp0 + tmp3; |
tmp13 = tmp0 - tmp3; |
tmp11 = tmp1 + tmp2; |
tmp12 = tmp1 - tmp2; |
|
d0 = tmp10 + tmp11; |
d4 = tmp10 - tmp11; |
|
z1 = MULTIPLY16H((tmp12 + tmp13) <<2, FIX_0_707106781); |
d2 = tmp13 + z1; |
d6 = tmp13 - z1; |
|
// Even part of IDCT |
|
THRESHOLD(tmp0, d0, threshold[0*8]); |
THRESHOLD(tmp1, d2, threshold[2*8]); |
THRESHOLD(tmp2, d4, threshold[4*8]); |
THRESHOLD(tmp3, d6, threshold[6*8]); |
tmp0+=2; |
tmp10 = (tmp0 + tmp2)>>2; |
tmp11 = (tmp0 - tmp2)>>2; |
|
tmp13 = (tmp1 + tmp3)>>2; //+2 ! (psnr decides) |
tmp12 = MULTIPLY16H((tmp1 - tmp3), FIX_1_414213562_A) - tmp13; //<<2 |
|
tmp0 = tmp10 + tmp13; //->temps |
tmp3 = tmp10 - tmp13; //->temps |
tmp1 = tmp11 + tmp12; //->temps |
tmp2 = tmp11 - tmp12; //->temps |
|
// Odd part of FDCT |
|
tmp10 = tmp4 + tmp5; |
tmp11 = tmp5 + tmp6; |
tmp12 = tmp6 + tmp7; |
|
z5 = MULTIPLY16H((tmp10 - tmp12)<<2, FIX_0_382683433); |
z2 = MULTIPLY16H(tmp10 <<2, FIX_0_541196100) + z5; |
z4 = MULTIPLY16H(tmp12 <<2, FIX_1_306562965) + z5; |
z3 = MULTIPLY16H(tmp11 <<2, FIX_0_707106781); |
|
z11 = tmp7 + z3; |
z13 = tmp7 - z3; |
|
d5 = z13 + z2; |
d3 = z13 - z2; |
d1 = z11 + z4; |
d7 = z11 - z4; |
|
// Odd part of IDCT |
|
THRESHOLD(tmp4, d1, threshold[1*8]); |
THRESHOLD(tmp5, d3, threshold[3*8]); |
THRESHOLD(tmp6, d5, threshold[5*8]); |
THRESHOLD(tmp7, d7, threshold[7*8]); |
|
//Simd version uses here a shortcut for the tmp5,tmp6,tmp7 == 0 |
z13 = tmp6 + tmp5; |
z10 = (tmp6 - tmp5)<<1; |
z11 = tmp4 + tmp7; |
z12 = (tmp4 - tmp7)<<1; |
|
tmp7 = (z11 + z13)>>2; //+2 ! |
tmp11 = MULTIPLY16H((z11 - z13)<<1, FIX_1_414213562); |
z5 = MULTIPLY16H(z10 + z12, FIX_1_847759065); |
tmp10 = MULTIPLY16H(z12, FIX_1_082392200) - z5; |
tmp12 = MULTIPLY16H(z10, FIX_2_613125930) + z5; // - !! |
|
tmp6 = tmp12 - tmp7; |
tmp5 = tmp11 - tmp6; |
tmp4 = tmp10 + tmp5; |
|
wsptr[DCTSIZE*0]+= (tmp0 + tmp7); |
wsptr[DCTSIZE*1]+= (tmp1 + tmp6); |
wsptr[DCTSIZE*2]+= (tmp2 + tmp5); |
wsptr[DCTSIZE*3]+= (tmp3 - tmp4); |
wsptr[DCTSIZE*4]+= (tmp3 + tmp4); |
wsptr[DCTSIZE*5]+= (tmp2 - tmp5); |
wsptr[DCTSIZE*6]= (tmp1 - tmp6); |
wsptr[DCTSIZE*7]= (tmp0 - tmp7); |
// |
dataptr++; //next column |
wsptr++; |
threshold++; |
} |
dataptr+=8; //skip each second start pos |
wsptr +=8; |
} |
} |
|
#else /* HAVE_MMX */ |
|
static void column_fidct_mmx(int16_t* thr_adr, int16_t *data, int16_t *output, int cnt) |
{ |
uint64_t __attribute__((aligned(8))) temps[4]; |
__asm__ volatile( |
ASMALIGN(4) |
"1: \n\t" |
"movq "DCTSIZE_S"*0*2(%%"REG_S"), %%mm1 \n\t" |
// |
"movq "DCTSIZE_S"*3*2(%%"REG_S"), %%mm7 \n\t" |
"movq %%mm1, %%mm0 \n\t" |
|
"paddw "DCTSIZE_S"*7*2(%%"REG_S"), %%mm1 \n\t" //t0 |
"movq %%mm7, %%mm3 \n\t" |
|
"paddw "DCTSIZE_S"*4*2(%%"REG_S"), %%mm7 \n\t" //t3 |
"movq %%mm1, %%mm5 \n\t" |
|
"movq "DCTSIZE_S"*1*2(%%"REG_S"), %%mm6 \n\t" |
"psubw %%mm7, %%mm1 \n\t" //t13 |
|
"movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" |
"movq %%mm6, %%mm4 \n\t" |
|
"paddw "DCTSIZE_S"*6*2(%%"REG_S"), %%mm6 \n\t" //t1 |
"paddw %%mm7, %%mm5 \n\t" //t10 |
|
"paddw "DCTSIZE_S"*5*2(%%"REG_S"), %%mm2 \n\t" //t2 |
"movq %%mm6, %%mm7 \n\t" |
|
"paddw %%mm2, %%mm6 \n\t" //t11 |
"psubw %%mm2, %%mm7 \n\t" //t12 |
|
"movq %%mm5, %%mm2 \n\t" |
"paddw %%mm6, %%mm5 \n\t" //d0 |
// i0 t13 t12 i3 i1 d0 - d4 |
"psubw %%mm6, %%mm2 \n\t" //d4 |
"paddw %%mm1, %%mm7 \n\t" |
|
"movq 4*16(%%"REG_d"), %%mm6 \n\t" |
"psllw $2, %%mm7 \n\t" |
|
"psubw 0*16(%%"REG_d"), %%mm5 \n\t" |
"psubw %%mm6, %%mm2 \n\t" |
|
"paddusw 0*16(%%"REG_d"), %%mm5 \n\t" |
"paddusw %%mm6, %%mm2 \n\t" |
|
"pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm7 \n\t" |
// |
"paddw 0*16(%%"REG_d"), %%mm5 \n\t" |
"paddw %%mm6, %%mm2 \n\t" |
|
"psubusw 0*16(%%"REG_d"), %%mm5 \n\t" |
"psubusw %%mm6, %%mm2 \n\t" |
|
//This func is totally compute-bound, operates at huge speed. So, DC shortcut |
// at this place isn't worthwhile due to BTB miss penalty (checked on Pent. 3). |
//However, typical numbers: nondc - 29%%, dc - 46%%, zero - 25%%. All <> 0 case is very rare. |
"paddw "MANGLE(MM_2)", %%mm5 \n\t" |
"movq %%mm2, %%mm6 \n\t" |
|
"paddw %%mm5, %%mm2 \n\t" |
"psubw %%mm6, %%mm5 \n\t" |
|
"movq %%mm1, %%mm6 \n\t" |
"paddw %%mm7, %%mm1 \n\t" //d2 |
|
"psubw 2*16(%%"REG_d"), %%mm1 \n\t" |
"psubw %%mm7, %%mm6 \n\t" //d6 |
|
"movq 6*16(%%"REG_d"), %%mm7 \n\t" |
"psraw $2, %%mm5 \n\t" |
|
"paddusw 2*16(%%"REG_d"), %%mm1 \n\t" |
"psubw %%mm7, %%mm6 \n\t" |
// t7 d2 /t11 t4 t6 - d6 /t10 |
|
"paddw 2*16(%%"REG_d"), %%mm1 \n\t" |
"paddusw %%mm7, %%mm6 \n\t" |
|
"psubusw 2*16(%%"REG_d"), %%mm1 \n\t" |
"paddw %%mm7, %%mm6 \n\t" |
|
"psubw "DCTSIZE_S"*4*2(%%"REG_S"), %%mm3 \n\t" |
"psubusw %%mm7, %%mm6 \n\t" |
|
//movq [edi+"DCTSIZE_S"*2*2], mm1 |
//movq [edi+"DCTSIZE_S"*6*2], mm6 |
"movq %%mm1, %%mm7 \n\t" |
"psraw $2, %%mm2 \n\t" |
|
"psubw "DCTSIZE_S"*6*2(%%"REG_S"), %%mm4 \n\t" |
"psubw %%mm6, %%mm1 \n\t" |
|
"psubw "DCTSIZE_S"*7*2(%%"REG_S"), %%mm0 \n\t" |
"paddw %%mm7, %%mm6 \n\t" //'t13 |
|
"psraw $2, %%mm6 \n\t" //paddw mm6, MM_2 !! --- |
"movq %%mm2, %%mm7 \n\t" |
|
"pmulhw "MANGLE(MM_FIX_1_414213562_A)", %%mm1 \n\t" |
"paddw %%mm6, %%mm2 \n\t" //'t0 |
|
"movq %%mm2, 0*8+%3 \n\t" //! |
"psubw %%mm6, %%mm7 \n\t" //'t3 |
|
"movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" |
"psubw %%mm6, %%mm1 \n\t" //'t12 |
|
"psubw "DCTSIZE_S"*5*2(%%"REG_S"), %%mm2 \n\t" //t5 |
"movq %%mm5, %%mm6 \n\t" |
|
"movq %%mm7, 3*8+%3 \n\t" |
"paddw %%mm2, %%mm3 \n\t" //t10 |
|
"paddw %%mm4, %%mm2 \n\t" //t11 |
"paddw %%mm0, %%mm4 \n\t" //t12 |
|
"movq %%mm3, %%mm7 \n\t" |
"psubw %%mm4, %%mm3 \n\t" |
|
"psllw $2, %%mm3 \n\t" |
"psllw $2, %%mm7 \n\t" //opt for P6 |
|
"pmulhw "MANGLE(MM_FIX_0_382683433)", %%mm3 \n\t" |
"psllw $2, %%mm4 \n\t" |
|
"pmulhw "MANGLE(ff_MM_FIX_0_541196100)", %%mm7 \n\t" |
"psllw $2, %%mm2 \n\t" |
|
"pmulhw "MANGLE(MM_FIX_1_306562965)", %%mm4 \n\t" |
"paddw %%mm1, %%mm5 \n\t" //'t1 |
|
"pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm2 \n\t" |
"psubw %%mm1, %%mm6 \n\t" //'t2 |
// t7 't12 't11 t4 t6 - 't13 't10 --- |
|
"paddw %%mm3, %%mm7 \n\t" //z2 |
|
"movq %%mm5, 1*8+%3 \n\t" |
"paddw %%mm3, %%mm4 \n\t" //z4 |
|
"movq 3*16(%%"REG_d"), %%mm3 \n\t" |
"movq %%mm0, %%mm1 \n\t" |
|
"movq %%mm6, 2*8+%3 \n\t" |
"psubw %%mm2, %%mm1 \n\t" //z13 |
|
//=== |
"paddw %%mm2, %%mm0 \n\t" //z11 |
"movq %%mm1, %%mm5 \n\t" |
|
"movq 5*16(%%"REG_d"), %%mm2 \n\t" |
"psubw %%mm7, %%mm1 \n\t" //d3 |
|
"paddw %%mm7, %%mm5 \n\t" //d5 |
"psubw %%mm3, %%mm1 \n\t" |
|
"movq 1*16(%%"REG_d"), %%mm7 \n\t" |
"psubw %%mm2, %%mm5 \n\t" |
|
"movq %%mm0, %%mm6 \n\t" |
"paddw %%mm4, %%mm0 \n\t" //d1 |
|
"paddusw %%mm3, %%mm1 \n\t" |
"psubw %%mm4, %%mm6 \n\t" //d7 |
|
// d1 d3 - - - d5 d7 - |
"movq 7*16(%%"REG_d"), %%mm4 \n\t" |
"psubw %%mm7, %%mm0 \n\t" |
|
"psubw %%mm4, %%mm6 \n\t" |
"paddusw %%mm2, %%mm5 \n\t" |
|
"paddusw %%mm4, %%mm6 \n\t" |
"paddw %%mm3, %%mm1 \n\t" |
|
"paddw %%mm2, %%mm5 \n\t" |
"paddw %%mm4, %%mm6 \n\t" |
|
"psubusw %%mm3, %%mm1 \n\t" |
"psubusw %%mm2, %%mm5 \n\t" |
|
"psubusw %%mm4, %%mm6 \n\t" |
"movq %%mm1, %%mm4 \n\t" |
|
"por %%mm5, %%mm4 \n\t" |
"paddusw %%mm7, %%mm0 \n\t" |
|
"por %%mm6, %%mm4 \n\t" |
"paddw %%mm7, %%mm0 \n\t" |
|
"packssdw %%mm4, %%mm4 \n\t" |
"psubusw %%mm7, %%mm0 \n\t" |
|
"movd %%mm4, %%"REG_a" \n\t" |
"or %%"REG_a", %%"REG_a" \n\t" |
"jnz 2f \n\t" |
//movq [edi+"DCTSIZE_S"*3*2], mm1 |
//movq [edi+"DCTSIZE_S"*5*2], mm5 |
//movq [edi+"DCTSIZE_S"*1*2], mm0 |
//movq [edi+"DCTSIZE_S"*7*2], mm6 |
// t4 t5 - - - t6 t7 - |
//--- t4 (mm0) may be <>0; mm1, mm5, mm6 == 0 |
//Typical numbers: nondc - 19%%, dc - 26%%, zero - 55%%. zero case alone isn't worthwhile |
"movq 0*8+%3, %%mm4 \n\t" |
"movq %%mm0, %%mm1 \n\t" |
|
"pmulhw "MANGLE(MM_FIX_0_847759065)", %%mm0 \n\t" //tmp6 |
"movq %%mm1, %%mm2 \n\t" |
|
"movq "DCTSIZE_S"*0*2(%%"REG_D"), %%mm5 \n\t" |
"movq %%mm2, %%mm3 \n\t" |
|
"pmulhw "MANGLE(MM_FIX_0_566454497)", %%mm1 \n\t" //tmp5 |
"paddw %%mm4, %%mm5 \n\t" |
|
"movq 1*8+%3, %%mm6 \n\t" |
//paddw mm3, MM_2 |
"psraw $2, %%mm3 \n\t" //tmp7 |
|
"pmulhw "MANGLE(MM_FIX_0_198912367)", %%mm2 \n\t" //-tmp4 |
"psubw %%mm3, %%mm4 \n\t" |
|
"movq "DCTSIZE_S"*1*2(%%"REG_D"), %%mm7 \n\t" |
"paddw %%mm3, %%mm5 \n\t" |
|
"movq %%mm4, "DCTSIZE_S"*7*2(%%"REG_D") \n\t" |
"paddw %%mm6, %%mm7 \n\t" |
|
"movq 2*8+%3, %%mm3 \n\t" |
"psubw %%mm0, %%mm6 \n\t" |
|
"movq "DCTSIZE_S"*2*2(%%"REG_D"), %%mm4 \n\t" |
"paddw %%mm0, %%mm7 \n\t" |
|
"movq %%mm5, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" |
"paddw %%mm3, %%mm4 \n\t" |
|
"movq %%mm6, "DCTSIZE_S"*6*2(%%"REG_D") \n\t" |
"psubw %%mm1, %%mm3 \n\t" |
|
"movq "DCTSIZE_S"*5*2(%%"REG_D"), %%mm5 \n\t" |
"paddw %%mm1, %%mm4 \n\t" |
|
"movq "DCTSIZE_S"*3*2(%%"REG_D"), %%mm6 \n\t" |
"paddw %%mm3, %%mm5 \n\t" |
|
"movq 3*8+%3, %%mm0 \n\t" |
"add $8, %%"REG_S" \n\t" |
|
"movq %%mm7, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" |
"paddw %%mm0, %%mm6 \n\t" |
|
"movq %%mm4, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" |
"psubw %%mm2, %%mm0 \n\t" |
|
"movq "DCTSIZE_S"*4*2(%%"REG_D"), %%mm7 \n\t" |
"paddw %%mm2, %%mm6 \n\t" |
|
"movq %%mm5, "DCTSIZE_S"*5*2(%%"REG_D") \n\t" |
"paddw %%mm0, %%mm7 \n\t" |
|
"movq %%mm6, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" |
|
"movq %%mm7, "DCTSIZE_S"*4*2(%%"REG_D") \n\t" |
"add $8, %%"REG_D" \n\t" |
"jmp 4f \n\t" |
|
"2: \n\t" |
//--- non DC2 |
//psraw mm1, 2 w/o it -> offset. thr1, thr1, thr1 (actually thr1, thr1, thr1-1) |
//psraw mm5, 2 |
//psraw mm0, 2 |
//psraw mm6, 2 |
"movq %%mm5, %%mm3 \n\t" |
"psubw %%mm1, %%mm5 \n\t" |
|
"psllw $1, %%mm5 \n\t" //'z10 |
"paddw %%mm1, %%mm3 \n\t" //'z13 |
|
"movq %%mm0, %%mm2 \n\t" |
"psubw %%mm6, %%mm0 \n\t" |
|
"movq %%mm5, %%mm1 \n\t" |
"psllw $1, %%mm0 \n\t" //'z12 |
|
"pmulhw "MANGLE(MM_FIX_2_613125930)", %%mm1 \n\t" //- |
"paddw %%mm0, %%mm5 \n\t" |
|
"pmulhw "MANGLE(MM_FIX_1_847759065)", %%mm5 \n\t" //'z5 |
"paddw %%mm6, %%mm2 \n\t" //'z11 |
|
"pmulhw "MANGLE(MM_FIX_1_082392200)", %%mm0 \n\t" |
"movq %%mm2, %%mm7 \n\t" |
|
//--- |
"movq 0*8+%3, %%mm4 \n\t" |
"psubw %%mm3, %%mm2 \n\t" |
|
"psllw $1, %%mm2 \n\t" |
"paddw %%mm3, %%mm7 \n\t" //'t7 |
|
"pmulhw "MANGLE(MM_FIX_1_414213562)", %%mm2 \n\t" //'t11 |
"movq %%mm4, %%mm6 \n\t" |
//paddw mm7, MM_2 |
"psraw $2, %%mm7 \n\t" |
|
"paddw "DCTSIZE_S"*0*2(%%"REG_D"), %%mm4 \n\t" |
"psubw %%mm7, %%mm6 \n\t" |
|
"movq 1*8+%3, %%mm3 \n\t" |
"paddw %%mm7, %%mm4 \n\t" |
|
"movq %%mm6, "DCTSIZE_S"*7*2(%%"REG_D") \n\t" |
"paddw %%mm5, %%mm1 \n\t" //'t12 |
|
"movq %%mm4, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" |
"psubw %%mm7, %%mm1 \n\t" //'t6 |
|
"movq 2*8+%3, %%mm7 \n\t" |
"psubw %%mm5, %%mm0 \n\t" //'t10 |
|
"movq 3*8+%3, %%mm6 \n\t" |
"movq %%mm3, %%mm5 \n\t" |
|
"paddw "DCTSIZE_S"*1*2(%%"REG_D"), %%mm3 \n\t" |
"psubw %%mm1, %%mm5 \n\t" |
|
"psubw %%mm1, %%mm2 \n\t" //'t5 |
"paddw %%mm1, %%mm3 \n\t" |
|
"movq %%mm5, "DCTSIZE_S"*6*2(%%"REG_D") \n\t" |
"movq %%mm7, %%mm4 \n\t" |
|
"paddw "DCTSIZE_S"*2*2(%%"REG_D"), %%mm7 \n\t" |
"psubw %%mm2, %%mm4 \n\t" |
|
"paddw "DCTSIZE_S"*5*2(%%"REG_D"), %%mm4 \n\t" |
"paddw %%mm2, %%mm7 \n\t" |
|
"movq %%mm3, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" |
"paddw %%mm2, %%mm0 \n\t" //'t4 |
|
// 't4 't6 't5 - - - - 't7 |
"movq %%mm7, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" |
"movq %%mm6, %%mm1 \n\t" |
|
"paddw "DCTSIZE_S"*4*2(%%"REG_D"), %%mm6 \n\t" |
"psubw %%mm0, %%mm1 \n\t" |
|
"paddw "DCTSIZE_S"*3*2(%%"REG_D"), %%mm1 \n\t" |
"paddw %%mm0, %%mm6 \n\t" |
|
"movq %%mm4, "DCTSIZE_S"*5*2(%%"REG_D") \n\t" |
"add $8, %%"REG_S" \n\t" |
|
"movq %%mm6, "DCTSIZE_S"*4*2(%%"REG_D") \n\t" |
|
"movq %%mm1, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" |
"add $8, %%"REG_D" \n\t" |
|
"4: \n\t" |
//=part 2 (the same)=========================================================== |
"movq "DCTSIZE_S"*0*2(%%"REG_S"), %%mm1 \n\t" |
// |
"movq "DCTSIZE_S"*3*2(%%"REG_S"), %%mm7 \n\t" |
"movq %%mm1, %%mm0 \n\t" |
|
"paddw "DCTSIZE_S"*7*2(%%"REG_S"), %%mm1 \n\t" //t0 |
"movq %%mm7, %%mm3 \n\t" |
|
"paddw "DCTSIZE_S"*4*2(%%"REG_S"), %%mm7 \n\t" //t3 |
"movq %%mm1, %%mm5 \n\t" |
|
"movq "DCTSIZE_S"*1*2(%%"REG_S"), %%mm6 \n\t" |
"psubw %%mm7, %%mm1 \n\t" //t13 |
|
"movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" |
"movq %%mm6, %%mm4 \n\t" |
|
"paddw "DCTSIZE_S"*6*2(%%"REG_S"), %%mm6 \n\t" //t1 |
"paddw %%mm7, %%mm5 \n\t" //t10 |
|
"paddw "DCTSIZE_S"*5*2(%%"REG_S"), %%mm2 \n\t" //t2 |
"movq %%mm6, %%mm7 \n\t" |
|
"paddw %%mm2, %%mm6 \n\t" //t11 |
"psubw %%mm2, %%mm7 \n\t" //t12 |
|
"movq %%mm5, %%mm2 \n\t" |
"paddw %%mm6, %%mm5 \n\t" //d0 |
// i0 t13 t12 i3 i1 d0 - d4 |
"psubw %%mm6, %%mm2 \n\t" //d4 |
"paddw %%mm1, %%mm7 \n\t" |
|
"movq 1*8+4*16(%%"REG_d"), %%mm6 \n\t" |
"psllw $2, %%mm7 \n\t" |
|
"psubw 1*8+0*16(%%"REG_d"), %%mm5 \n\t" |
"psubw %%mm6, %%mm2 \n\t" |
|
"paddusw 1*8+0*16(%%"REG_d"), %%mm5 \n\t" |
"paddusw %%mm6, %%mm2 \n\t" |
|
"pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm7 \n\t" |
// |
"paddw 1*8+0*16(%%"REG_d"), %%mm5 \n\t" |
"paddw %%mm6, %%mm2 \n\t" |
|
"psubusw 1*8+0*16(%%"REG_d"), %%mm5 \n\t" |
"psubusw %%mm6, %%mm2 \n\t" |
|
//This func is totally compute-bound, operates at huge speed. So, DC shortcut |
// at this place isn't worthwhile due to BTB miss penalty (checked on Pent. 3). |
//However, typical numbers: nondc - 29%%, dc - 46%%, zero - 25%%. All <> 0 case is very rare. |
"paddw "MANGLE(MM_2)", %%mm5 \n\t" |
"movq %%mm2, %%mm6 \n\t" |
|
"paddw %%mm5, %%mm2 \n\t" |
"psubw %%mm6, %%mm5 \n\t" |
|
"movq %%mm1, %%mm6 \n\t" |
"paddw %%mm7, %%mm1 \n\t" //d2 |
|
"psubw 1*8+2*16(%%"REG_d"), %%mm1 \n\t" |
"psubw %%mm7, %%mm6 \n\t" //d6 |
|
"movq 1*8+6*16(%%"REG_d"), %%mm7 \n\t" |
"psraw $2, %%mm5 \n\t" |
|
"paddusw 1*8+2*16(%%"REG_d"), %%mm1 \n\t" |
"psubw %%mm7, %%mm6 \n\t" |
// t7 d2 /t11 t4 t6 - d6 /t10 |
|
"paddw 1*8+2*16(%%"REG_d"), %%mm1 \n\t" |
"paddusw %%mm7, %%mm6 \n\t" |
|
"psubusw 1*8+2*16(%%"REG_d"), %%mm1 \n\t" |
"paddw %%mm7, %%mm6 \n\t" |
|
"psubw "DCTSIZE_S"*4*2(%%"REG_S"), %%mm3 \n\t" |
"psubusw %%mm7, %%mm6 \n\t" |
|
//movq [edi+"DCTSIZE_S"*2*2], mm1 |
//movq [edi+"DCTSIZE_S"*6*2], mm6 |
"movq %%mm1, %%mm7 \n\t" |
"psraw $2, %%mm2 \n\t" |
|
"psubw "DCTSIZE_S"*6*2(%%"REG_S"), %%mm4 \n\t" |
"psubw %%mm6, %%mm1 \n\t" |
|
"psubw "DCTSIZE_S"*7*2(%%"REG_S"), %%mm0 \n\t" |
"paddw %%mm7, %%mm6 \n\t" //'t13 |
|
"psraw $2, %%mm6 \n\t" //paddw mm6, MM_2 !! --- |
"movq %%mm2, %%mm7 \n\t" |
|
"pmulhw "MANGLE(MM_FIX_1_414213562_A)", %%mm1 \n\t" |
"paddw %%mm6, %%mm2 \n\t" //'t0 |
|
"movq %%mm2, 0*8+%3 \n\t" //! |
"psubw %%mm6, %%mm7 \n\t" //'t3 |
|
"movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" |
"psubw %%mm6, %%mm1 \n\t" //'t12 |
|
"psubw "DCTSIZE_S"*5*2(%%"REG_S"), %%mm2 \n\t" //t5 |
"movq %%mm5, %%mm6 \n\t" |
|
"movq %%mm7, 3*8+%3 \n\t" |
"paddw %%mm2, %%mm3 \n\t" //t10 |
|
"paddw %%mm4, %%mm2 \n\t" //t11 |
"paddw %%mm0, %%mm4 \n\t" //t12 |
|
"movq %%mm3, %%mm7 \n\t" |
"psubw %%mm4, %%mm3 \n\t" |
|
"psllw $2, %%mm3 \n\t" |
"psllw $2, %%mm7 \n\t" //opt for P6 |
|
"pmulhw "MANGLE(MM_FIX_0_382683433)", %%mm3 \n\t" |
"psllw $2, %%mm4 \n\t" |
|
"pmulhw "MANGLE(ff_MM_FIX_0_541196100)", %%mm7 \n\t" |
"psllw $2, %%mm2 \n\t" |
|
"pmulhw "MANGLE(MM_FIX_1_306562965)", %%mm4 \n\t" |
"paddw %%mm1, %%mm5 \n\t" //'t1 |
|
"pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm2 \n\t" |
"psubw %%mm1, %%mm6 \n\t" //'t2 |
// t7 't12 't11 t4 t6 - 't13 't10 --- |
|
"paddw %%mm3, %%mm7 \n\t" //z2 |
|
"movq %%mm5, 1*8+%3 \n\t" |
"paddw %%mm3, %%mm4 \n\t" //z4 |
|
"movq 1*8+3*16(%%"REG_d"), %%mm3 \n\t" |
"movq %%mm0, %%mm1 \n\t" |
|
"movq %%mm6, 2*8+%3 \n\t" |
"psubw %%mm2, %%mm1 \n\t" //z13 |
|
//=== |
"paddw %%mm2, %%mm0 \n\t" //z11 |
"movq %%mm1, %%mm5 \n\t" |
|
"movq 1*8+5*16(%%"REG_d"), %%mm2 \n\t" |
"psubw %%mm7, %%mm1 \n\t" //d3 |
|
"paddw %%mm7, %%mm5 \n\t" //d5 |
"psubw %%mm3, %%mm1 \n\t" |
|
"movq 1*8+1*16(%%"REG_d"), %%mm7 \n\t" |
"psubw %%mm2, %%mm5 \n\t" |
|
"movq %%mm0, %%mm6 \n\t" |
"paddw %%mm4, %%mm0 \n\t" //d1 |
|
"paddusw %%mm3, %%mm1 \n\t" |
"psubw %%mm4, %%mm6 \n\t" //d7 |
|
// d1 d3 - - - d5 d7 - |
"movq 1*8+7*16(%%"REG_d"), %%mm4 \n\t" |
"psubw %%mm7, %%mm0 \n\t" |
|
"psubw %%mm4, %%mm6 \n\t" |
"paddusw %%mm2, %%mm5 \n\t" |
|
"paddusw %%mm4, %%mm6 \n\t" |
"paddw %%mm3, %%mm1 \n\t" |
|
"paddw %%mm2, %%mm5 \n\t" |
"paddw %%mm4, %%mm6 \n\t" |
|
"psubusw %%mm3, %%mm1 \n\t" |
"psubusw %%mm2, %%mm5 \n\t" |
|
"psubusw %%mm4, %%mm6 \n\t" |
"movq %%mm1, %%mm4 \n\t" |
|
"por %%mm5, %%mm4 \n\t" |
"paddusw %%mm7, %%mm0 \n\t" |
|
"por %%mm6, %%mm4 \n\t" |
"paddw %%mm7, %%mm0 \n\t" |
|
"packssdw %%mm4, %%mm4 \n\t" |
"psubusw %%mm7, %%mm0 \n\t" |
|
"movd %%mm4, %%"REG_a" \n\t" |
"or %%"REG_a", %%"REG_a" \n\t" |
"jnz 3f \n\t" |
//movq [edi+"DCTSIZE_S"*3*2], mm1 |
//movq [edi+"DCTSIZE_S"*5*2], mm5 |
//movq [edi+"DCTSIZE_S"*1*2], mm0 |
//movq [edi+"DCTSIZE_S"*7*2], mm6 |
// t4 t5 - - - t6 t7 - |
//--- t4 (mm0) may be <>0; mm1, mm5, mm6 == 0 |
//Typical numbers: nondc - 19%%, dc - 26%%, zero - 55%%. zero case alone isn't worthwhile |
"movq 0*8+%3, %%mm4 \n\t" |
"movq %%mm0, %%mm1 \n\t" |
|
"pmulhw "MANGLE(MM_FIX_0_847759065)", %%mm0 \n\t" //tmp6 |
"movq %%mm1, %%mm2 \n\t" |
|
"movq "DCTSIZE_S"*0*2(%%"REG_D"), %%mm5 \n\t" |
"movq %%mm2, %%mm3 \n\t" |
|
"pmulhw "MANGLE(MM_FIX_0_566454497)", %%mm1 \n\t" //tmp5 |
"paddw %%mm4, %%mm5 \n\t" |
|
"movq 1*8+%3, %%mm6 \n\t" |
//paddw mm3, MM_2 |
"psraw $2, %%mm3 \n\t" //tmp7 |
|
"pmulhw "MANGLE(MM_FIX_0_198912367)", %%mm2 \n\t" //-tmp4 |
"psubw %%mm3, %%mm4 \n\t" |
|
"movq "DCTSIZE_S"*1*2(%%"REG_D"), %%mm7 \n\t" |
"paddw %%mm3, %%mm5 \n\t" |
|
"movq %%mm4, "DCTSIZE_S"*7*2(%%"REG_D") \n\t" |
"paddw %%mm6, %%mm7 \n\t" |
|
"movq 2*8+%3, %%mm3 \n\t" |
"psubw %%mm0, %%mm6 \n\t" |
|
"movq "DCTSIZE_S"*2*2(%%"REG_D"), %%mm4 \n\t" |
"paddw %%mm0, %%mm7 \n\t" |
|
"movq %%mm5, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" |
"paddw %%mm3, %%mm4 \n\t" |
|
"movq %%mm6, "DCTSIZE_S"*6*2(%%"REG_D") \n\t" |
"psubw %%mm1, %%mm3 \n\t" |
|
"movq "DCTSIZE_S"*5*2(%%"REG_D"), %%mm5 \n\t" |
"paddw %%mm1, %%mm4 \n\t" |
|
"movq "DCTSIZE_S"*3*2(%%"REG_D"), %%mm6 \n\t" |
"paddw %%mm3, %%mm5 \n\t" |
|
"movq 3*8+%3, %%mm0 \n\t" |
"add $24, %%"REG_S" \n\t" |
|
"movq %%mm7, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" |
"paddw %%mm0, %%mm6 \n\t" |
|
"movq %%mm4, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" |
"psubw %%mm2, %%mm0 \n\t" |
|
"movq "DCTSIZE_S"*4*2(%%"REG_D"), %%mm7 \n\t" |
"paddw %%mm2, %%mm6 \n\t" |
|
"movq %%mm5, "DCTSIZE_S"*5*2(%%"REG_D") \n\t" |
"paddw %%mm0, %%mm7 \n\t" |
|
"movq %%mm6, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" |
|
"movq %%mm7, "DCTSIZE_S"*4*2(%%"REG_D") \n\t" |
"add $24, %%"REG_D" \n\t" |
"sub $2, %%"REG_c" \n\t" |
"jnz 1b \n\t" |
"jmp 5f \n\t" |
|
"3: \n\t" |
//--- non DC2 |
//psraw mm1, 2 w/o it -> offset. thr1, thr1, thr1 (actually thr1, thr1, thr1-1) |
//psraw mm5, 2 |
//psraw mm0, 2 |
//psraw mm6, 2 |
"movq %%mm5, %%mm3 \n\t" |
"psubw %%mm1, %%mm5 \n\t" |
|
"psllw $1, %%mm5 \n\t" //'z10 |
"paddw %%mm1, %%mm3 \n\t" //'z13 |
|
"movq %%mm0, %%mm2 \n\t" |
"psubw %%mm6, %%mm0 \n\t" |
|
"movq %%mm5, %%mm1 \n\t" |
"psllw $1, %%mm0 \n\t" //'z12 |
|
"pmulhw "MANGLE(MM_FIX_2_613125930)", %%mm1 \n\t" //- |
"paddw %%mm0, %%mm5 \n\t" |
|
"pmulhw "MANGLE(MM_FIX_1_847759065)", %%mm5 \n\t" //'z5 |
"paddw %%mm6, %%mm2 \n\t" //'z11 |
|
"pmulhw "MANGLE(MM_FIX_1_082392200)", %%mm0 \n\t" |
"movq %%mm2, %%mm7 \n\t" |
|
//--- |
"movq 0*8+%3, %%mm4 \n\t" |
"psubw %%mm3, %%mm2 \n\t" |
|
"psllw $1, %%mm2 \n\t" |
"paddw %%mm3, %%mm7 \n\t" //'t7 |
|
"pmulhw "MANGLE(MM_FIX_1_414213562)", %%mm2 \n\t" //'t11 |
"movq %%mm4, %%mm6 \n\t" |
//paddw mm7, MM_2 |
"psraw $2, %%mm7 \n\t" |
|
"paddw "DCTSIZE_S"*0*2(%%"REG_D"), %%mm4 \n\t" |
"psubw %%mm7, %%mm6 \n\t" |
|
"movq 1*8+%3, %%mm3 \n\t" |
"paddw %%mm7, %%mm4 \n\t" |
|
"movq %%mm6, "DCTSIZE_S"*7*2(%%"REG_D") \n\t" |
"paddw %%mm5, %%mm1 \n\t" //'t12 |
|
"movq %%mm4, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" |
"psubw %%mm7, %%mm1 \n\t" //'t6 |
|
"movq 2*8+%3, %%mm7 \n\t" |
"psubw %%mm5, %%mm0 \n\t" //'t10 |
|
"movq 3*8+%3, %%mm6 \n\t" |
"movq %%mm3, %%mm5 \n\t" |
|
"paddw "DCTSIZE_S"*1*2(%%"REG_D"), %%mm3 \n\t" |
"psubw %%mm1, %%mm5 \n\t" |
|
"psubw %%mm1, %%mm2 \n\t" //'t5 |
"paddw %%mm1, %%mm3 \n\t" |
|
"movq %%mm5, "DCTSIZE_S"*6*2(%%"REG_D") \n\t" |
"movq %%mm7, %%mm4 \n\t" |
|
"paddw "DCTSIZE_S"*2*2(%%"REG_D"), %%mm7 \n\t" |
"psubw %%mm2, %%mm4 \n\t" |
|
"paddw "DCTSIZE_S"*5*2(%%"REG_D"), %%mm4 \n\t" |
"paddw %%mm2, %%mm7 \n\t" |
|
"movq %%mm3, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" |
"paddw %%mm2, %%mm0 \n\t" //'t4 |
|
// 't4 't6 't5 - - - - 't7 |
"movq %%mm7, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" |
"movq %%mm6, %%mm1 \n\t" |
|
"paddw "DCTSIZE_S"*4*2(%%"REG_D"), %%mm6 \n\t" |
"psubw %%mm0, %%mm1 \n\t" |
|
"paddw "DCTSIZE_S"*3*2(%%"REG_D"), %%mm1 \n\t" |
"paddw %%mm0, %%mm6 \n\t" |
|
"movq %%mm4, "DCTSIZE_S"*5*2(%%"REG_D") \n\t" |
"add $24, %%"REG_S" \n\t" |
|
"movq %%mm6, "DCTSIZE_S"*4*2(%%"REG_D") \n\t" |
|
"movq %%mm1, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" |
"add $24, %%"REG_D" \n\t" |
"sub $2, %%"REG_c" \n\t" |
"jnz 1b \n\t" |
"5: \n\t" |
|
: "+S"(data), "+D"(output), "+c"(cnt), "=o"(temps) |
: "d"(thr_adr) |
: "%"REG_a |
); |
} |
|
#endif // HAVE_MMX |
|
#if !HAVE_MMX |
|
static void row_idct_c(int16_t* workspace, |
int16_t* output_adr, int output_stride, int cnt) |
{ |
int_simd16_t tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; |
int_simd16_t tmp10, tmp11, tmp12, tmp13; |
int_simd16_t z5, z10, z11, z12, z13; |
int16_t* outptr; |
int16_t* wsptr; |
|
cnt*=4; |
wsptr = workspace; |
outptr = output_adr; |
for (; cnt > 0; cnt--) { |
// Even part |
//Simd version reads 4x4 block and transposes it |
tmp10 = ( wsptr[2] + wsptr[3]); |
tmp11 = ( wsptr[2] - wsptr[3]); |
|
tmp13 = ( wsptr[0] + wsptr[1]); |
tmp12 = (MULTIPLY16H( wsptr[0] - wsptr[1], FIX_1_414213562_A)<<2) - tmp13;//this shift order to avoid overflow |
|
tmp0 = tmp10 + tmp13; //->temps |
tmp3 = tmp10 - tmp13; //->temps |
tmp1 = tmp11 + tmp12; |
tmp2 = tmp11 - tmp12; |
|
// Odd part |
//Also transpose, with previous: |
// ---- ---- |||| |
// ---- ---- idct |||| |
// ---- ---- ---> |||| |
// ---- ---- |||| |
z13 = wsptr[4] + wsptr[5]; |
z10 = wsptr[4] - wsptr[5]; |
z11 = wsptr[6] + wsptr[7]; |
z12 = wsptr[6] - wsptr[7]; |
|
tmp7 = z11 + z13; |
tmp11 = MULTIPLY16H(z11 - z13, FIX_1_414213562); |
|
z5 = MULTIPLY16H(z10 + z12, FIX_1_847759065); |
tmp10 = MULTIPLY16H(z12, FIX_1_082392200) - z5; |
tmp12 = MULTIPLY16H(z10, FIX_2_613125930) + z5; // - FIX_ |
|
tmp6 = (tmp12<<3) - tmp7; |
tmp5 = (tmp11<<3) - tmp6; |
tmp4 = (tmp10<<3) + tmp5; |
|
// Final output stage: descale and write column |
outptr[0*output_stride]+= DESCALE(tmp0 + tmp7, 3); |
outptr[1*output_stride]+= DESCALE(tmp1 + tmp6, 3); |
outptr[2*output_stride]+= DESCALE(tmp2 + tmp5, 3); |
outptr[3*output_stride]+= DESCALE(tmp3 - tmp4, 3); |
outptr[4*output_stride]+= DESCALE(tmp3 + tmp4, 3); |
outptr[5*output_stride]+= DESCALE(tmp2 - tmp5, 3); |
outptr[6*output_stride]+= DESCALE(tmp1 - tmp6, 3); //no += ? |
outptr[7*output_stride]+= DESCALE(tmp0 - tmp7, 3); //no += ? |
outptr++; |
|
wsptr += DCTSIZE; // advance pointer to next row |
} |
} |
|
#else /* HAVE_MMX */ |
|
static void row_idct_mmx (int16_t* workspace, |
int16_t* output_adr, int output_stride, int cnt) |
{ |
uint64_t __attribute__((aligned(8))) temps[4]; |
__asm__ volatile( |
"lea (%%"REG_a",%%"REG_a",2), %%"REG_d" \n\t" |
"1: \n\t" |
"movq "DCTSIZE_S"*0*2(%%"REG_S"), %%mm0 \n\t" |
// |
|
"movq "DCTSIZE_S"*1*2(%%"REG_S"), %%mm1 \n\t" |
"movq %%mm0, %%mm4 \n\t" |
|
"movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" |
"punpcklwd %%mm1, %%mm0 \n\t" |
|
"movq "DCTSIZE_S"*3*2(%%"REG_S"), %%mm3 \n\t" |
"punpckhwd %%mm1, %%mm4 \n\t" |
|
//transpose 4x4 |
"movq %%mm2, %%mm7 \n\t" |
"punpcklwd %%mm3, %%mm2 \n\t" |
|
"movq %%mm0, %%mm6 \n\t" |
"punpckldq %%mm2, %%mm0 \n\t" //0 |
|
"punpckhdq %%mm2, %%mm6 \n\t" //1 |
"movq %%mm0, %%mm5 \n\t" |
|
"punpckhwd %%mm3, %%mm7 \n\t" |
"psubw %%mm6, %%mm0 \n\t" |
|
"pmulhw "MANGLE(MM_FIX_1_414213562_A)", %%mm0 \n\t" |
"movq %%mm4, %%mm2 \n\t" |
|
"punpckldq %%mm7, %%mm4 \n\t" //2 |
"paddw %%mm6, %%mm5 \n\t" |
|
"punpckhdq %%mm7, %%mm2 \n\t" //3 |
"movq %%mm4, %%mm1 \n\t" |
|
"psllw $2, %%mm0 \n\t" |
"paddw %%mm2, %%mm4 \n\t" //t10 |
|
"movq "DCTSIZE_S"*0*2+"DCTSIZE_S"(%%"REG_S"), %%mm3 \n\t" |
"psubw %%mm2, %%mm1 \n\t" //t11 |
|
"movq "DCTSIZE_S"*1*2+"DCTSIZE_S"(%%"REG_S"), %%mm2 \n\t" |
"psubw %%mm5, %%mm0 \n\t" |
|
"movq %%mm4, %%mm6 \n\t" |
"paddw %%mm5, %%mm4 \n\t" //t0 |
|
"psubw %%mm5, %%mm6 \n\t" //t3 |
"movq %%mm1, %%mm7 \n\t" |
|
"movq "DCTSIZE_S"*2*2+"DCTSIZE_S"(%%"REG_S"), %%mm5 \n\t" |
"paddw %%mm0, %%mm1 \n\t" //t1 |
|
"movq %%mm4, 0*8+%3 \n\t" //t0 |
"movq %%mm3, %%mm4 \n\t" |
|
"movq %%mm6, 1*8+%3 \n\t" //t3 |
"punpcklwd %%mm2, %%mm3 \n\t" |
|
//transpose 4x4 |
"movq "DCTSIZE_S"*3*2+"DCTSIZE_S"(%%"REG_S"), %%mm6 \n\t" |
"punpckhwd %%mm2, %%mm4 \n\t" |
|
"movq %%mm5, %%mm2 \n\t" |
"punpcklwd %%mm6, %%mm5 \n\t" |
|
"psubw %%mm0, %%mm7 \n\t" //t2 |
"punpckhwd %%mm6, %%mm2 \n\t" |
|
"movq %%mm3, %%mm0 \n\t" |
"punpckldq %%mm5, %%mm3 \n\t" //4 |
|
"punpckhdq %%mm5, %%mm0 \n\t" //5 |
"movq %%mm4, %%mm5 \n\t" |
|
// |
"movq %%mm3, %%mm6 \n\t" |
"punpckldq %%mm2, %%mm4 \n\t" //6 |
|
"psubw %%mm0, %%mm3 \n\t" //z10 |
"punpckhdq %%mm2, %%mm5 \n\t" //7 |
|
"paddw %%mm0, %%mm6 \n\t" //z13 |
"movq %%mm4, %%mm2 \n\t" |
|
"movq %%mm3, %%mm0 \n\t" |
"psubw %%mm5, %%mm4 \n\t" //z12 |
|
"pmulhw "MANGLE(MM_FIX_2_613125930)", %%mm0 \n\t" //- |
"paddw %%mm4, %%mm3 \n\t" |
|
"pmulhw "MANGLE(MM_FIX_1_847759065)", %%mm3 \n\t" //z5 |
"paddw %%mm5, %%mm2 \n\t" //z11 > |
|
"pmulhw "MANGLE(MM_FIX_1_082392200)", %%mm4 \n\t" |
"movq %%mm2, %%mm5 \n\t" |
|
"psubw %%mm6, %%mm2 \n\t" |
"paddw %%mm6, %%mm5 \n\t" //t7 |
|
"pmulhw "MANGLE(MM_FIX_1_414213562)", %%mm2 \n\t" //t11 |
"paddw %%mm3, %%mm0 \n\t" //t12 |
|
"psllw $3, %%mm0 \n\t" |
"psubw %%mm3, %%mm4 \n\t" //t10 |
|
"movq 0*8+%3, %%mm6 \n\t" |
"movq %%mm1, %%mm3 \n\t" |
|
"psllw $3, %%mm4 \n\t" |
"psubw %%mm5, %%mm0 \n\t" //t6 |
|
"psllw $3, %%mm2 \n\t" |
"paddw %%mm0, %%mm1 \n\t" //d1 |
|
"psubw %%mm0, %%mm2 \n\t" //t5 |
"psubw %%mm0, %%mm3 \n\t" //d6 |
|
"paddw %%mm2, %%mm4 \n\t" //t4 |
"movq %%mm7, %%mm0 \n\t" |
|
"paddw %%mm2, %%mm7 \n\t" //d2 |
"psubw %%mm2, %%mm0 \n\t" //d5 |
|
"movq "MANGLE(MM_DESCALE_RND)", %%mm2 \n\t" //4 |
"psubw %%mm5, %%mm6 \n\t" //d7 |
|
"paddw 0*8+%3, %%mm5 \n\t" //d0 |
"paddw %%mm2, %%mm1 \n\t" |
|
"paddw %%mm2, %%mm5 \n\t" |
"psraw $3, %%mm1 \n\t" |
|
"paddw %%mm2, %%mm7 \n\t" |
"psraw $3, %%mm5 \n\t" |
|
"paddw (%%"REG_D"), %%mm5 \n\t" |
"psraw $3, %%mm7 \n\t" |
|
"paddw (%%"REG_D",%%"REG_a",), %%mm1 \n\t" |
"paddw %%mm2, %%mm0 \n\t" |
|
"paddw (%%"REG_D",%%"REG_a",2), %%mm7 \n\t" |
"paddw %%mm2, %%mm3 \n\t" |
|
"movq %%mm5, (%%"REG_D") \n\t" |
"paddw %%mm2, %%mm6 \n\t" |
|
"movq %%mm1, (%%"REG_D",%%"REG_a",) \n\t" |
"psraw $3, %%mm0 \n\t" |
|
"movq %%mm7, (%%"REG_D",%%"REG_a",2) \n\t" |
"add %%"REG_d", %%"REG_D" \n\t" //3*ls |
|
"movq 1*8+%3, %%mm5 \n\t" //t3 |
"psraw $3, %%mm3 \n\t" |
|
"paddw (%%"REG_D",%%"REG_a",2), %%mm0 \n\t" |
"psubw %%mm4, %%mm5 \n\t" //d3 |
|
"paddw (%%"REG_D",%%"REG_d",), %%mm3 \n\t" |
"psraw $3, %%mm6 \n\t" |
|
"paddw 1*8+%3, %%mm4 \n\t" //d4 |
"paddw %%mm2, %%mm5 \n\t" |
|
"paddw (%%"REG_D",%%"REG_a",4), %%mm6 \n\t" |
"paddw %%mm2, %%mm4 \n\t" |
|
"movq %%mm0, (%%"REG_D",%%"REG_a",2) \n\t" |
"psraw $3, %%mm5 \n\t" |
|
"paddw (%%"REG_D"), %%mm5 \n\t" |
"psraw $3, %%mm4 \n\t" |
|
"paddw (%%"REG_D",%%"REG_a",), %%mm4 \n\t" |
"add $"DCTSIZE_S"*2*4, %%"REG_S" \n\t" //4 rows |
|
"movq %%mm3, (%%"REG_D",%%"REG_d",) \n\t" |
"movq %%mm6, (%%"REG_D",%%"REG_a",4) \n\t" |
"movq %%mm5, (%%"REG_D") \n\t" |
"movq %%mm4, (%%"REG_D",%%"REG_a",) \n\t" |
|
"sub %%"REG_d", %%"REG_D" \n\t" |
"add $8, %%"REG_D" \n\t" |
"dec %%"REG_c" \n\t" |
"jnz 1b \n\t" |
|
: "+S"(workspace), "+D"(output_adr), "+c"(cnt), "=o"(temps) |
: "a"(output_stride*sizeof(short)) |
: "%"REG_d |
); |
} |
|
#endif // HAVE_MMX |
|
#if !HAVE_MMX |
|
static void row_fdct_c(int16_t *data, const uint8_t *pixels, int line_size, int cnt) |
{ |
int_simd16_t tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; |
int_simd16_t tmp10, tmp11, tmp12, tmp13; |
int_simd16_t z1, z2, z3, z4, z5, z11, z13; |
int16_t *dataptr; |
|
cnt*=4; |
// Pass 1: process rows. |
|
dataptr = data; |
for (; cnt > 0; cnt--) { |
tmp0 = pixels[line_size*0] + pixels[line_size*7]; |
tmp7 = pixels[line_size*0] - pixels[line_size*7]; |
tmp1 = pixels[line_size*1] + pixels[line_size*6]; |
tmp6 = pixels[line_size*1] - pixels[line_size*6]; |
tmp2 = pixels[line_size*2] + pixels[line_size*5]; |
tmp5 = pixels[line_size*2] - pixels[line_size*5]; |
tmp3 = pixels[line_size*3] + pixels[line_size*4]; |
tmp4 = pixels[line_size*3] - pixels[line_size*4]; |
|
// Even part |
|
tmp10 = tmp0 + tmp3; |
tmp13 = tmp0 - tmp3; |
tmp11 = tmp1 + tmp2; |
tmp12 = tmp1 - tmp2; |
//Even columns are written first, this leads to different order of columns |
//in column_fidct(), but they are processed independently, so all ok. |
//Later in the row_idct() columns readed at the same order. |
dataptr[2] = tmp10 + tmp11; |
dataptr[3] = tmp10 - tmp11; |
|
z1 = MULTIPLY16H((tmp12 + tmp13)<<2, FIX_0_707106781); |
dataptr[0] = tmp13 + z1; |
dataptr[1] = tmp13 - z1; |
|
// Odd part |
|
tmp10 = (tmp4 + tmp5) <<2; |
tmp11 = (tmp5 + tmp6) <<2; |
tmp12 = (tmp6 + tmp7) <<2; |
|
z5 = MULTIPLY16H(tmp10 - tmp12, FIX_0_382683433); |
z2 = MULTIPLY16H(tmp10, FIX_0_541196100) + z5; |
z4 = MULTIPLY16H(tmp12, FIX_1_306562965) + z5; |
z3 = MULTIPLY16H(tmp11, FIX_0_707106781); |
|
z11 = tmp7 + z3; |
z13 = tmp7 - z3; |
|
dataptr[4] = z13 + z2; |
dataptr[5] = z13 - z2; |
dataptr[6] = z11 + z4; |
dataptr[7] = z11 - z4; |
|
pixels++; // advance pointer to next column |
dataptr += DCTSIZE; |
} |
} |
|
#else /* HAVE_MMX */ |
|
static void row_fdct_mmx(int16_t *data, const uint8_t *pixels, int line_size, int cnt) |
{ |
uint64_t __attribute__((aligned(8))) temps[4]; |
__asm__ volatile( |
"lea (%%"REG_a",%%"REG_a",2), %%"REG_d" \n\t" |
"6: \n\t" |
"movd (%%"REG_S"), %%mm0 \n\t" |
"pxor %%mm7, %%mm7 \n\t" |
|
"movd (%%"REG_S",%%"REG_a",), %%mm1 \n\t" |
"punpcklbw %%mm7, %%mm0 \n\t" |
|
"movd (%%"REG_S",%%"REG_a",2), %%mm2 \n\t" |
"punpcklbw %%mm7, %%mm1 \n\t" |
|
"punpcklbw %%mm7, %%mm2 \n\t" |
"add %%"REG_d", %%"REG_S" \n\t" |
|
"movq %%mm0, %%mm5 \n\t" |
// |
|
"movd (%%"REG_S",%%"REG_a",4), %%mm3 \n\t" //7 ;prefetch! |
"movq %%mm1, %%mm6 \n\t" |
|
"movd (%%"REG_S",%%"REG_d",), %%mm4 \n\t" //6 |
"punpcklbw %%mm7, %%mm3 \n\t" |
|
"psubw %%mm3, %%mm5 \n\t" |
"punpcklbw %%mm7, %%mm4 \n\t" |
|
"paddw %%mm3, %%mm0 \n\t" |
"psubw %%mm4, %%mm6 \n\t" |
|
"movd (%%"REG_S",%%"REG_a",2), %%mm3 \n\t" //5 |
"paddw %%mm4, %%mm1 \n\t" |
|
"movq %%mm5, 0*8+%3 \n\t" //t7 |
"punpcklbw %%mm7, %%mm3 \n\t" |
|
"movq %%mm6, 1*8+%3 \n\t" //t6 |
"movq %%mm2, %%mm4 \n\t" |
|
"movd (%%"REG_S"), %%mm5 \n\t" //3 |
"paddw %%mm3, %%mm2 \n\t" |
|
"movd (%%"REG_S",%%"REG_a",), %%mm6 \n\t" //4 |
"punpcklbw %%mm7, %%mm5 \n\t" |
|
"psubw %%mm3, %%mm4 \n\t" |
"punpcklbw %%mm7, %%mm6 \n\t" |
|
"movq %%mm5, %%mm3 \n\t" |
"paddw %%mm6, %%mm5 \n\t" //t3 |
|
"psubw %%mm6, %%mm3 \n\t" //t4 ; t0 t1 t2 t4 t5 t3 - - |
"movq %%mm0, %%mm6 \n\t" |
|
"movq %%mm1, %%mm7 \n\t" |
"psubw %%mm5, %%mm0 \n\t" //t13 |
|
"psubw %%mm2, %%mm1 \n\t" |
"paddw %%mm2, %%mm7 \n\t" //t11 |
|
"paddw %%mm0, %%mm1 \n\t" |
"movq %%mm7, %%mm2 \n\t" |
|
"psllw $2, %%mm1 \n\t" |
"paddw %%mm5, %%mm6 \n\t" //t10 |
|
"pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm1 \n\t" |
"paddw %%mm6, %%mm7 \n\t" //d2 |
|
"psubw %%mm2, %%mm6 \n\t" //d3 |
"movq %%mm0, %%mm5 \n\t" |
|
//transpose 4x4 |
"movq %%mm7, %%mm2 \n\t" |
"punpcklwd %%mm6, %%mm7 \n\t" |
|
"paddw %%mm1, %%mm0 \n\t" //d0 |
"punpckhwd %%mm6, %%mm2 \n\t" |
|
"psubw %%mm1, %%mm5 \n\t" //d1 |
"movq %%mm0, %%mm6 \n\t" |
|
"movq 1*8+%3, %%mm1 \n\t" |
"punpcklwd %%mm5, %%mm0 \n\t" |
|
"punpckhwd %%mm5, %%mm6 \n\t" |
"movq %%mm0, %%mm5 \n\t" |
|
"punpckldq %%mm7, %%mm0 \n\t" //0 |
"paddw %%mm4, %%mm3 \n\t" |
|
"punpckhdq %%mm7, %%mm5 \n\t" //1 |
"movq %%mm6, %%mm7 \n\t" |
|
"movq %%mm0, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" |
"punpckldq %%mm2, %%mm6 \n\t" //2 |
|
"movq %%mm5, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" |
"punpckhdq %%mm2, %%mm7 \n\t" //3 |
|
"movq %%mm6, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" |
"paddw %%mm1, %%mm4 \n\t" |
|
"movq %%mm7, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" |
"psllw $2, %%mm3 \n\t" //t10 |
|
"movq 0*8+%3, %%mm2 \n\t" |
"psllw $2, %%mm4 \n\t" //t11 |
|
"pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm4 \n\t" //z3 |
"paddw %%mm2, %%mm1 \n\t" |
|
"psllw $2, %%mm1 \n\t" //t12 |
"movq %%mm3, %%mm0 \n\t" |
|
"pmulhw "MANGLE(ff_MM_FIX_0_541196100)", %%mm0 \n\t" |
"psubw %%mm1, %%mm3 \n\t" |
|
"pmulhw "MANGLE(MM_FIX_0_382683433)", %%mm3 \n\t" //z5 |
"movq %%mm2, %%mm5 \n\t" |
|
"pmulhw "MANGLE(MM_FIX_1_306562965)", %%mm1 \n\t" |
"psubw %%mm4, %%mm2 \n\t" //z13 |
|
"paddw %%mm4, %%mm5 \n\t" //z11 |
"movq %%mm2, %%mm6 \n\t" |
|
"paddw %%mm3, %%mm0 \n\t" //z2 |
"movq %%mm5, %%mm7 \n\t" |
|
"paddw %%mm0, %%mm2 \n\t" //d4 |
"psubw %%mm0, %%mm6 \n\t" //d5 |
|
"movq %%mm2, %%mm4 \n\t" |
"paddw %%mm3, %%mm1 \n\t" //z4 |
|
//transpose 4x4 |
"punpcklwd %%mm6, %%mm2 \n\t" |
"paddw %%mm1, %%mm5 \n\t" //d6 |
|
"punpckhwd %%mm6, %%mm4 \n\t" |
"psubw %%mm1, %%mm7 \n\t" //d7 |
|
"movq %%mm5, %%mm6 \n\t" |
"punpcklwd %%mm7, %%mm5 \n\t" |
|
"punpckhwd %%mm7, %%mm6 \n\t" |
"movq %%mm2, %%mm7 \n\t" |
|
"punpckldq %%mm5, %%mm2 \n\t" //4 |
"sub %%"REG_d", %%"REG_S" \n\t" |
|
"punpckhdq %%mm5, %%mm7 \n\t" //5 |
"movq %%mm4, %%mm5 \n\t" |
|
"movq %%mm2, "DCTSIZE_S"*0*2+"DCTSIZE_S"(%%"REG_D") \n\t" |
"punpckldq %%mm6, %%mm4 \n\t" //6 |
|
"movq %%mm7, "DCTSIZE_S"*1*2+"DCTSIZE_S"(%%"REG_D") \n\t" |
"punpckhdq %%mm6, %%mm5 \n\t" //7 |
|
"movq %%mm4, "DCTSIZE_S"*2*2+"DCTSIZE_S"(%%"REG_D") \n\t" |
"add $4, %%"REG_S" \n\t" |
|
"movq %%mm5, "DCTSIZE_S"*3*2+"DCTSIZE_S"(%%"REG_D") \n\t" |
"add $"DCTSIZE_S"*2*4, %%"REG_D" \n\t" //4 rows |
"dec %%"REG_c" \n\t" |
"jnz 6b \n\t" |
|
: "+S"(pixels), "+D"(data), "+c"(cnt), "=o"(temps) |
: "a"(line_size) |
: "%"REG_d); |
} |
|
#endif // HAVE_MMX |