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FFmpeg/libavcodec/x86/dsputilenc_mmx.c

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/*
* MMX optimized DSP utils
* Copyright (c) 2000, 2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
* MMX optimization by Nick Kurshev <nickols_k@mail.ru>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/x86/asm.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/dct.h"
#include "libavcodec/dsputil.h"
#include "libavcodec/mpegvideo.h"
#include "libavcodec/mathops.h"
#include "dsputil_x86.h"
void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, int line_size);
void ff_get_pixels_sse2(int16_t *block, const uint8_t *pixels, int line_size);
void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2, int stride);
int ff_pix_sum16_mmx(uint8_t * pix, int line_size);
int ff_pix_norm1_mmx(uint8_t *pix, int line_size);
#if HAVE_INLINE_ASM
static int sse8_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
int tmp;
__asm__ volatile (
"movl %4,%%ecx\n"
"shr $1,%%ecx\n"
"pxor %%mm0,%%mm0\n" /* mm0 = 0 */
"pxor %%mm7,%%mm7\n" /* mm7 holds the sum */
"1:\n"
"movq (%0),%%mm1\n" /* mm1 = pix1[0][0-7] */
"movq (%1),%%mm2\n" /* mm2 = pix2[0][0-7] */
"movq (%0,%3),%%mm3\n" /* mm3 = pix1[1][0-7] */
"movq (%1,%3),%%mm4\n" /* mm4 = pix2[1][0-7] */
/* todo: mm1-mm2, mm3-mm4 */
/* algo: subtract mm1 from mm2 with saturation and vice versa */
/* OR the results to get absolute difference */
"movq %%mm1,%%mm5\n"
"movq %%mm3,%%mm6\n"
"psubusb %%mm2,%%mm1\n"
"psubusb %%mm4,%%mm3\n"
"psubusb %%mm5,%%mm2\n"
"psubusb %%mm6,%%mm4\n"
"por %%mm1,%%mm2\n"
"por %%mm3,%%mm4\n"
/* now convert to 16-bit vectors so we can square them */
"movq %%mm2,%%mm1\n"
"movq %%mm4,%%mm3\n"
"punpckhbw %%mm0,%%mm2\n"
"punpckhbw %%mm0,%%mm4\n"
"punpcklbw %%mm0,%%mm1\n" /* mm1 now spread over (mm1,mm2) */
"punpcklbw %%mm0,%%mm3\n" /* mm4 now spread over (mm3,mm4) */
"pmaddwd %%mm2,%%mm2\n"
"pmaddwd %%mm4,%%mm4\n"
"pmaddwd %%mm1,%%mm1\n"
"pmaddwd %%mm3,%%mm3\n"
"lea (%0,%3,2), %0\n" /* pix1 += 2*line_size */
"lea (%1,%3,2), %1\n" /* pix2 += 2*line_size */
"paddd %%mm2,%%mm1\n"
"paddd %%mm4,%%mm3\n"
"paddd %%mm1,%%mm7\n"
"paddd %%mm3,%%mm7\n"
"decl %%ecx\n"
"jnz 1b\n"
"movq %%mm7,%%mm1\n"
"psrlq $32, %%mm7\n" /* shift hi dword to lo */
"paddd %%mm7,%%mm1\n"
"movd %%mm1,%2\n"
: "+r" (pix1), "+r" (pix2), "=r"(tmp)
: "r" ((x86_reg)line_size) , "m" (h)
: "%ecx");
return tmp;
}
static int sse16_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
int tmp;
__asm__ volatile (
"movl %4,%%ecx\n"
"pxor %%mm0,%%mm0\n" /* mm0 = 0 */
"pxor %%mm7,%%mm7\n" /* mm7 holds the sum */
"1:\n"
"movq (%0),%%mm1\n" /* mm1 = pix1[0-7] */
"movq (%1),%%mm2\n" /* mm2 = pix2[0-7] */
"movq 8(%0),%%mm3\n" /* mm3 = pix1[8-15] */
"movq 8(%1),%%mm4\n" /* mm4 = pix2[8-15] */
/* todo: mm1-mm2, mm3-mm4 */
/* algo: subtract mm1 from mm2 with saturation and vice versa */
/* OR the results to get absolute difference */
"movq %%mm1,%%mm5\n"
"movq %%mm3,%%mm6\n"
"psubusb %%mm2,%%mm1\n"
"psubusb %%mm4,%%mm3\n"
"psubusb %%mm5,%%mm2\n"
"psubusb %%mm6,%%mm4\n"
"por %%mm1,%%mm2\n"
"por %%mm3,%%mm4\n"
/* now convert to 16-bit vectors so we can square them */
"movq %%mm2,%%mm1\n"
"movq %%mm4,%%mm3\n"
"punpckhbw %%mm0,%%mm2\n"
"punpckhbw %%mm0,%%mm4\n"
"punpcklbw %%mm0,%%mm1\n" /* mm1 now spread over (mm1,mm2) */
"punpcklbw %%mm0,%%mm3\n" /* mm4 now spread over (mm3,mm4) */
"pmaddwd %%mm2,%%mm2\n"
"pmaddwd %%mm4,%%mm4\n"
"pmaddwd %%mm1,%%mm1\n"
"pmaddwd %%mm3,%%mm3\n"
"add %3,%0\n"
"add %3,%1\n"
"paddd %%mm2,%%mm1\n"
"paddd %%mm4,%%mm3\n"
"paddd %%mm1,%%mm7\n"
"paddd %%mm3,%%mm7\n"
"decl %%ecx\n"
"jnz 1b\n"
"movq %%mm7,%%mm1\n"
"psrlq $32, %%mm7\n" /* shift hi dword to lo */
"paddd %%mm7,%%mm1\n"
"movd %%mm1,%2\n"
: "+r" (pix1), "+r" (pix2), "=r"(tmp)
: "r" ((x86_reg)line_size) , "m" (h)
: "%ecx");
return tmp;
}
static int hf_noise8_mmx(uint8_t * pix1, int line_size, int h) {
int tmp;
__asm__ volatile (
"movl %3,%%ecx\n"
"pxor %%mm7,%%mm7\n"
"pxor %%mm6,%%mm6\n"
"movq (%0),%%mm0\n"
"movq %%mm0, %%mm1\n"
"psllq $8, %%mm0\n"
"psrlq $8, %%mm1\n"
"psrlq $8, %%mm0\n"
"movq %%mm0, %%mm2\n"
"movq %%mm1, %%mm3\n"
"punpcklbw %%mm7,%%mm0\n"
"punpcklbw %%mm7,%%mm1\n"
"punpckhbw %%mm7,%%mm2\n"
"punpckhbw %%mm7,%%mm3\n"
"psubw %%mm1, %%mm0\n"
"psubw %%mm3, %%mm2\n"
"add %2,%0\n"
"movq (%0),%%mm4\n"
"movq %%mm4, %%mm1\n"
"psllq $8, %%mm4\n"
"psrlq $8, %%mm1\n"
"psrlq $8, %%mm4\n"
"movq %%mm4, %%mm5\n"
"movq %%mm1, %%mm3\n"
"punpcklbw %%mm7,%%mm4\n"
"punpcklbw %%mm7,%%mm1\n"
"punpckhbw %%mm7,%%mm5\n"
"punpckhbw %%mm7,%%mm3\n"
"psubw %%mm1, %%mm4\n"
"psubw %%mm3, %%mm5\n"
"psubw %%mm4, %%mm0\n"
"psubw %%mm5, %%mm2\n"
"pxor %%mm3, %%mm3\n"
"pxor %%mm1, %%mm1\n"
"pcmpgtw %%mm0, %%mm3\n\t"
"pcmpgtw %%mm2, %%mm1\n\t"
"pxor %%mm3, %%mm0\n"
"pxor %%mm1, %%mm2\n"
"psubw %%mm3, %%mm0\n"
"psubw %%mm1, %%mm2\n"
"paddw %%mm0, %%mm2\n"
"paddw %%mm2, %%mm6\n"
"add %2,%0\n"
"1:\n"
"movq (%0),%%mm0\n"
"movq %%mm0, %%mm1\n"
"psllq $8, %%mm0\n"
"psrlq $8, %%mm1\n"
"psrlq $8, %%mm0\n"
"movq %%mm0, %%mm2\n"
"movq %%mm1, %%mm3\n"
"punpcklbw %%mm7,%%mm0\n"
"punpcklbw %%mm7,%%mm1\n"
"punpckhbw %%mm7,%%mm2\n"
"punpckhbw %%mm7,%%mm3\n"
"psubw %%mm1, %%mm0\n"
"psubw %%mm3, %%mm2\n"
"psubw %%mm0, %%mm4\n"
"psubw %%mm2, %%mm5\n"
"pxor %%mm3, %%mm3\n"
"pxor %%mm1, %%mm1\n"
"pcmpgtw %%mm4, %%mm3\n\t"
"pcmpgtw %%mm5, %%mm1\n\t"
"pxor %%mm3, %%mm4\n"
"pxor %%mm1, %%mm5\n"
"psubw %%mm3, %%mm4\n"
"psubw %%mm1, %%mm5\n"
"paddw %%mm4, %%mm5\n"
"paddw %%mm5, %%mm6\n"
"add %2,%0\n"
"movq (%0),%%mm4\n"
"movq %%mm4, %%mm1\n"
"psllq $8, %%mm4\n"
"psrlq $8, %%mm1\n"
"psrlq $8, %%mm4\n"
"movq %%mm4, %%mm5\n"
"movq %%mm1, %%mm3\n"
"punpcklbw %%mm7,%%mm4\n"
"punpcklbw %%mm7,%%mm1\n"
"punpckhbw %%mm7,%%mm5\n"
"punpckhbw %%mm7,%%mm3\n"
"psubw %%mm1, %%mm4\n"
"psubw %%mm3, %%mm5\n"
"psubw %%mm4, %%mm0\n"
"psubw %%mm5, %%mm2\n"
"pxor %%mm3, %%mm3\n"
"pxor %%mm1, %%mm1\n"
"pcmpgtw %%mm0, %%mm3\n\t"
"pcmpgtw %%mm2, %%mm1\n\t"
"pxor %%mm3, %%mm0\n"
"pxor %%mm1, %%mm2\n"
"psubw %%mm3, %%mm0\n"
"psubw %%mm1, %%mm2\n"
"paddw %%mm0, %%mm2\n"
"paddw %%mm2, %%mm6\n"
"add %2,%0\n"
"subl $2, %%ecx\n"
" jnz 1b\n"
"movq %%mm6, %%mm0\n"
"punpcklwd %%mm7,%%mm0\n"
"punpckhwd %%mm7,%%mm6\n"
"paddd %%mm0, %%mm6\n"
"movq %%mm6,%%mm0\n"
"psrlq $32, %%mm6\n"
"paddd %%mm6,%%mm0\n"
"movd %%mm0,%1\n"
: "+r" (pix1), "=r"(tmp)
: "r" ((x86_reg)line_size) , "g" (h-2)
: "%ecx");
return tmp;
}
static int hf_noise16_mmx(uint8_t * pix1, int line_size, int h) {
int tmp;
uint8_t * pix= pix1;
__asm__ volatile (
"movl %3,%%ecx\n"
"pxor %%mm7,%%mm7\n"
"pxor %%mm6,%%mm6\n"
"movq (%0),%%mm0\n"
"movq 1(%0),%%mm1\n"
"movq %%mm0, %%mm2\n"
"movq %%mm1, %%mm3\n"
"punpcklbw %%mm7,%%mm0\n"
"punpcklbw %%mm7,%%mm1\n"
"punpckhbw %%mm7,%%mm2\n"
"punpckhbw %%mm7,%%mm3\n"
"psubw %%mm1, %%mm0\n"
"psubw %%mm3, %%mm2\n"
"add %2,%0\n"
"movq (%0),%%mm4\n"
"movq 1(%0),%%mm1\n"
"movq %%mm4, %%mm5\n"
"movq %%mm1, %%mm3\n"
"punpcklbw %%mm7,%%mm4\n"
"punpcklbw %%mm7,%%mm1\n"
"punpckhbw %%mm7,%%mm5\n"
"punpckhbw %%mm7,%%mm3\n"
"psubw %%mm1, %%mm4\n"
"psubw %%mm3, %%mm5\n"
"psubw %%mm4, %%mm0\n"
"psubw %%mm5, %%mm2\n"
"pxor %%mm3, %%mm3\n"
"pxor %%mm1, %%mm1\n"
"pcmpgtw %%mm0, %%mm3\n\t"
"pcmpgtw %%mm2, %%mm1\n\t"
"pxor %%mm3, %%mm0\n"
"pxor %%mm1, %%mm2\n"
"psubw %%mm3, %%mm0\n"
"psubw %%mm1, %%mm2\n"
"paddw %%mm0, %%mm2\n"
"paddw %%mm2, %%mm6\n"
"add %2,%0\n"
"1:\n"
"movq (%0),%%mm0\n"
"movq 1(%0),%%mm1\n"
"movq %%mm0, %%mm2\n"
"movq %%mm1, %%mm3\n"
"punpcklbw %%mm7,%%mm0\n"
"punpcklbw %%mm7,%%mm1\n"
"punpckhbw %%mm7,%%mm2\n"
"punpckhbw %%mm7,%%mm3\n"
"psubw %%mm1, %%mm0\n"
"psubw %%mm3, %%mm2\n"
"psubw %%mm0, %%mm4\n"
"psubw %%mm2, %%mm5\n"
"pxor %%mm3, %%mm3\n"
"pxor %%mm1, %%mm1\n"
"pcmpgtw %%mm4, %%mm3\n\t"
"pcmpgtw %%mm5, %%mm1\n\t"
"pxor %%mm3, %%mm4\n"
"pxor %%mm1, %%mm5\n"
"psubw %%mm3, %%mm4\n"
"psubw %%mm1, %%mm5\n"
"paddw %%mm4, %%mm5\n"
"paddw %%mm5, %%mm6\n"
"add %2,%0\n"
"movq (%0),%%mm4\n"
"movq 1(%0),%%mm1\n"
"movq %%mm4, %%mm5\n"
"movq %%mm1, %%mm3\n"
"punpcklbw %%mm7,%%mm4\n"
"punpcklbw %%mm7,%%mm1\n"
"punpckhbw %%mm7,%%mm5\n"
"punpckhbw %%mm7,%%mm3\n"
"psubw %%mm1, %%mm4\n"
"psubw %%mm3, %%mm5\n"
"psubw %%mm4, %%mm0\n"
"psubw %%mm5, %%mm2\n"
"pxor %%mm3, %%mm3\n"
"pxor %%mm1, %%mm1\n"
"pcmpgtw %%mm0, %%mm3\n\t"
"pcmpgtw %%mm2, %%mm1\n\t"
"pxor %%mm3, %%mm0\n"
"pxor %%mm1, %%mm2\n"
"psubw %%mm3, %%mm0\n"
"psubw %%mm1, %%mm2\n"
"paddw %%mm0, %%mm2\n"
"paddw %%mm2, %%mm6\n"
"add %2,%0\n"
"subl $2, %%ecx\n"
" jnz 1b\n"
"movq %%mm6, %%mm0\n"
"punpcklwd %%mm7,%%mm0\n"
"punpckhwd %%mm7,%%mm6\n"
"paddd %%mm0, %%mm6\n"
"movq %%mm6,%%mm0\n"
"psrlq $32, %%mm6\n"
"paddd %%mm6,%%mm0\n"
"movd %%mm0,%1\n"
: "+r" (pix1), "=r"(tmp)
: "r" ((x86_reg)line_size) , "g" (h-2)
: "%ecx");
return tmp + hf_noise8_mmx(pix+8, line_size, h);
}
static int nsse16_mmx(void *p, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
MpegEncContext *c = p;
int score1, score2;
if(c) score1 = c->dsp.sse[0](c, pix1, pix2, line_size, h);
else score1 = sse16_mmx(c, pix1, pix2, line_size, h);
score2= hf_noise16_mmx(pix1, line_size, h) - hf_noise16_mmx(pix2, line_size, h);
if(c) return score1 + FFABS(score2)*c->avctx->nsse_weight;
else return score1 + FFABS(score2)*8;
}
static int nsse8_mmx(void *p, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
MpegEncContext *c = p;
int score1= sse8_mmx(c, pix1, pix2, line_size, h);
int score2= hf_noise8_mmx(pix1, line_size, h) - hf_noise8_mmx(pix2, line_size, h);
if(c) return score1 + FFABS(score2)*c->avctx->nsse_weight;
else return score1 + FFABS(score2)*8;
}
static int vsad_intra16_mmx(void *v, uint8_t * pix, uint8_t * dummy, int line_size, int h) {
int tmp;
av_assert2( (((int)pix) & 7) == 0);
av_assert2((line_size &7) ==0);
#define SUM(in0, in1, out0, out1) \
"movq (%0), %%mm2\n"\
"movq 8(%0), %%mm3\n"\
"add %2,%0\n"\
"movq %%mm2, " #out0 "\n"\
"movq %%mm3, " #out1 "\n"\
"psubusb " #in0 ", %%mm2\n"\
"psubusb " #in1 ", %%mm3\n"\
"psubusb " #out0 ", " #in0 "\n"\
"psubusb " #out1 ", " #in1 "\n"\
"por %%mm2, " #in0 "\n"\
"por %%mm3, " #in1 "\n"\
"movq " #in0 ", %%mm2\n"\
"movq " #in1 ", %%mm3\n"\
"punpcklbw %%mm7, " #in0 "\n"\
"punpcklbw %%mm7, " #in1 "\n"\
"punpckhbw %%mm7, %%mm2\n"\
"punpckhbw %%mm7, %%mm3\n"\
"paddw " #in1 ", " #in0 "\n"\
"paddw %%mm3, %%mm2\n"\
"paddw %%mm2, " #in0 "\n"\
"paddw " #in0 ", %%mm6\n"
__asm__ volatile (
"movl %3,%%ecx\n"
"pxor %%mm6,%%mm6\n"
"pxor %%mm7,%%mm7\n"
"movq (%0),%%mm0\n"
"movq 8(%0),%%mm1\n"
"add %2,%0\n"
"jmp 2f\n"
"1:\n"
SUM(%%mm4, %%mm5, %%mm0, %%mm1)
"2:\n"
SUM(%%mm0, %%mm1, %%mm4, %%mm5)
"subl $2, %%ecx\n"
"jnz 1b\n"
"movq %%mm6,%%mm0\n"
"psrlq $32, %%mm6\n"
"paddw %%mm6,%%mm0\n"
"movq %%mm0,%%mm6\n"
"psrlq $16, %%mm0\n"
"paddw %%mm6,%%mm0\n"
"movd %%mm0,%1\n"
: "+r" (pix), "=r"(tmp)
: "r" ((x86_reg)line_size) , "m" (h)
: "%ecx");
return tmp & 0xFFFF;
}
#undef SUM
static int vsad_intra16_mmxext(void *v, uint8_t *pix, uint8_t *dummy,
int line_size, int h)
{
int tmp;
av_assert2( (((int)pix) & 7) == 0);
av_assert2((line_size &7) ==0);
#define SUM(in0, in1, out0, out1) \
"movq (%0), " #out0 "\n"\
"movq 8(%0), " #out1 "\n"\
"add %2,%0\n"\
"psadbw " #out0 ", " #in0 "\n"\
"psadbw " #out1 ", " #in1 "\n"\
"paddw " #in1 ", " #in0 "\n"\
"paddw " #in0 ", %%mm6\n"
__asm__ volatile (
"movl %3,%%ecx\n"
"pxor %%mm6,%%mm6\n"
"pxor %%mm7,%%mm7\n"
"movq (%0),%%mm0\n"
"movq 8(%0),%%mm1\n"
"add %2,%0\n"
"jmp 2f\n"
"1:\n"
SUM(%%mm4, %%mm5, %%mm0, %%mm1)
"2:\n"
SUM(%%mm0, %%mm1, %%mm4, %%mm5)
"subl $2, %%ecx\n"
"jnz 1b\n"
"movd %%mm6,%1\n"
: "+r" (pix), "=r"(tmp)
: "r" ((x86_reg)line_size) , "m" (h)
: "%ecx");
return tmp;
}
#undef SUM
static int vsad16_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
int tmp;
av_assert2( (((int)pix1) & 7) == 0);
av_assert2( (((int)pix2) & 7) == 0);
av_assert2((line_size &7) ==0);
#define SUM(in0, in1, out0, out1) \
"movq (%0),%%mm2\n"\
"movq (%1)," #out0 "\n"\
"movq 8(%0),%%mm3\n"\
"movq 8(%1)," #out1 "\n"\
"add %3,%0\n"\
"add %3,%1\n"\
"psubb " #out0 ", %%mm2\n"\
"psubb " #out1 ", %%mm3\n"\
"pxor %%mm7, %%mm2\n"\
"pxor %%mm7, %%mm3\n"\
"movq %%mm2, " #out0 "\n"\
"movq %%mm3, " #out1 "\n"\
"psubusb " #in0 ", %%mm2\n"\
"psubusb " #in1 ", %%mm3\n"\
"psubusb " #out0 ", " #in0 "\n"\
"psubusb " #out1 ", " #in1 "\n"\
"por %%mm2, " #in0 "\n"\
"por %%mm3, " #in1 "\n"\
"movq " #in0 ", %%mm2\n"\
"movq " #in1 ", %%mm3\n"\
"punpcklbw %%mm7, " #in0 "\n"\
"punpcklbw %%mm7, " #in1 "\n"\
"punpckhbw %%mm7, %%mm2\n"\
"punpckhbw %%mm7, %%mm3\n"\
"paddw " #in1 ", " #in0 "\n"\
"paddw %%mm3, %%mm2\n"\
"paddw %%mm2, " #in0 "\n"\
"paddw " #in0 ", %%mm6\n"
__asm__ volatile (
"movl %4,%%ecx\n"
"pxor %%mm6,%%mm6\n"
"pcmpeqw %%mm7,%%mm7\n"
"psllw $15, %%mm7\n"
"packsswb %%mm7, %%mm7\n"
"movq (%0),%%mm0\n"
"movq (%1),%%mm2\n"
"movq 8(%0),%%mm1\n"
"movq 8(%1),%%mm3\n"
"add %3,%0\n"
"add %3,%1\n"
"psubb %%mm2, %%mm0\n"
"psubb %%mm3, %%mm1\n"
"pxor %%mm7, %%mm0\n"
"pxor %%mm7, %%mm1\n"
"jmp 2f\n"
"1:\n"
SUM(%%mm4, %%mm5, %%mm0, %%mm1)
"2:\n"
SUM(%%mm0, %%mm1, %%mm4, %%mm5)
"subl $2, %%ecx\n"
"jnz 1b\n"
"movq %%mm6,%%mm0\n"
"psrlq $32, %%mm6\n"
"paddw %%mm6,%%mm0\n"
"movq %%mm0,%%mm6\n"
"psrlq $16, %%mm0\n"
"paddw %%mm6,%%mm0\n"
"movd %%mm0,%2\n"
: "+r" (pix1), "+r" (pix2), "=r"(tmp)
: "r" ((x86_reg)line_size) , "m" (h)
: "%ecx");
return tmp & 0x7FFF;
}
#undef SUM
static int vsad16_mmxext(void *v, uint8_t *pix1, uint8_t *pix2,
int line_size, int h)
{
int tmp;
av_assert2( (((int)pix1) & 7) == 0);
av_assert2( (((int)pix2) & 7) == 0);
av_assert2((line_size &7) ==0);
#define SUM(in0, in1, out0, out1) \
"movq (%0)," #out0 "\n"\
"movq (%1),%%mm2\n"\
"movq 8(%0)," #out1 "\n"\
"movq 8(%1),%%mm3\n"\
"add %3,%0\n"\
"add %3,%1\n"\
"psubb %%mm2, " #out0 "\n"\
"psubb %%mm3, " #out1 "\n"\
"pxor %%mm7, " #out0 "\n"\
"pxor %%mm7, " #out1 "\n"\
"psadbw " #out0 ", " #in0 "\n"\
"psadbw " #out1 ", " #in1 "\n"\
"paddw " #in1 ", " #in0 "\n"\
"paddw " #in0 ", %%mm6\n"
__asm__ volatile (
"movl %4,%%ecx\n"
"pxor %%mm6,%%mm6\n"
"pcmpeqw %%mm7,%%mm7\n"
"psllw $15, %%mm7\n"
"packsswb %%mm7, %%mm7\n"
"movq (%0),%%mm0\n"
"movq (%1),%%mm2\n"
"movq 8(%0),%%mm1\n"
"movq 8(%1),%%mm3\n"
"add %3,%0\n"
"add %3,%1\n"
"psubb %%mm2, %%mm0\n"
"psubb %%mm3, %%mm1\n"
"pxor %%mm7, %%mm0\n"
"pxor %%mm7, %%mm1\n"
"jmp 2f\n"
"1:\n"
SUM(%%mm4, %%mm5, %%mm0, %%mm1)
"2:\n"
SUM(%%mm0, %%mm1, %%mm4, %%mm5)
"subl $2, %%ecx\n"
"jnz 1b\n"
"movd %%mm6,%2\n"
: "+r" (pix1), "+r" (pix2), "=r"(tmp)
: "r" ((x86_reg)line_size) , "m" (h)
: "%ecx");
return tmp;
}
#undef SUM
static void diff_bytes_mmx(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int w){
x86_reg i=0;
if(w>=16)
__asm__ volatile(
"1: \n\t"
"movq (%2, %0), %%mm0 \n\t"
"movq (%1, %0), %%mm1 \n\t"
"psubb %%mm0, %%mm1 \n\t"
"movq %%mm1, (%3, %0) \n\t"
"movq 8(%2, %0), %%mm0 \n\t"
"movq 8(%1, %0), %%mm1 \n\t"
"psubb %%mm0, %%mm1 \n\t"
"movq %%mm1, 8(%3, %0) \n\t"
"add $16, %0 \n\t"
"cmp %4, %0 \n\t"
" jb 1b \n\t"
: "+r" (i)
: "r"(src1), "r"(src2), "r"(dst), "r"((x86_reg)w-15)
);
for(; i<w; i++)
dst[i+0] = src1[i+0]-src2[i+0];
}
static void sub_hfyu_median_prediction_mmxext(uint8_t *dst, const uint8_t *src1,
const uint8_t *src2, int w,
int *left, int *left_top)
{
x86_reg i=0;
uint8_t l, lt;
__asm__ volatile(
"movq (%1, %0), %%mm0 \n\t" // LT
"psllq $8, %%mm0 \n\t"
"1: \n\t"
"movq (%1, %0), %%mm1 \n\t" // T
"movq -1(%2, %0), %%mm2 \n\t" // L
"movq (%2, %0), %%mm3 \n\t" // X
"movq %%mm2, %%mm4 \n\t" // L
"psubb %%mm0, %%mm2 \n\t"
"paddb %%mm1, %%mm2 \n\t" // L + T - LT
"movq %%mm4, %%mm5 \n\t" // L
"pmaxub %%mm1, %%mm4 \n\t" // max(T, L)
"pminub %%mm5, %%mm1 \n\t" // min(T, L)
"pminub %%mm2, %%mm4 \n\t"
"pmaxub %%mm1, %%mm4 \n\t"
"psubb %%mm4, %%mm3 \n\t" // dst - pred
"movq %%mm3, (%3, %0) \n\t"
"add $8, %0 \n\t"
"movq -1(%1, %0), %%mm0 \n\t" // LT
"cmp %4, %0 \n\t"
" jb 1b \n\t"
: "+r" (i)
: "r"(src1), "r"(src2), "r"(dst), "r"((x86_reg)w)
);
l= *left;
lt= *left_top;
dst[0]= src2[0] - mid_pred(l, src1[0], (l + src1[0] - lt)&0xFF);
*left_top= src1[w-1];
*left = src2[w-1];
}
#define MMABS_MMX(a,z)\
"pxor " #z ", " #z " \n\t"\
"pcmpgtw " #a ", " #z " \n\t"\
"pxor " #z ", " #a " \n\t"\
"psubw " #z ", " #a " \n\t"
#define MMABS_MMXEXT(a, z) \
"pxor " #z ", " #z " \n\t"\
"psubw " #a ", " #z " \n\t"\
"pmaxsw " #z ", " #a " \n\t"
#define MMABS_SSSE3(a,z)\
"pabsw " #a ", " #a " \n\t"
#define MMABS_SUM(a,z, sum)\
MMABS(a,z)\
"paddusw " #a ", " #sum " \n\t"
/* FIXME: HSUM_* saturates at 64k, while an 8x8 hadamard or dct block can get up to
* about 100k on extreme inputs. But that's very unlikely to occur in natural video,
* and it's even more unlikely to not have any alternative mvs/modes with lower cost. */
#define HSUM_MMX(a, t, dst)\
"movq "#a", "#t" \n\t"\
"psrlq $32, "#a" \n\t"\
"paddusw "#t", "#a" \n\t"\
"movq "#a", "#t" \n\t"\
"psrlq $16, "#a" \n\t"\
"paddusw "#t", "#a" \n\t"\
"movd "#a", "#dst" \n\t"\
#define HSUM_MMXEXT(a, t, dst) \
"pshufw $0x0E, "#a", "#t" \n\t"\
"paddusw "#t", "#a" \n\t"\
"pshufw $0x01, "#a", "#t" \n\t"\
"paddusw "#t", "#a" \n\t"\
"movd "#a", "#dst" \n\t"\
#define HSUM_SSE2(a, t, dst)\
"movhlps "#a", "#t" \n\t"\
"paddusw "#t", "#a" \n\t"\
"pshuflw $0x0E, "#a", "#t" \n\t"\
"paddusw "#t", "#a" \n\t"\
"pshuflw $0x01, "#a", "#t" \n\t"\
"paddusw "#t", "#a" \n\t"\
"movd "#a", "#dst" \n\t"\
#define DCT_SAD4(m,mm,o)\
"mov"#m" "#o"+ 0(%1), "#mm"2 \n\t"\
"mov"#m" "#o"+16(%1), "#mm"3 \n\t"\
"mov"#m" "#o"+32(%1), "#mm"4 \n\t"\
"mov"#m" "#o"+48(%1), "#mm"5 \n\t"\
MMABS_SUM(mm##2, mm##6, mm##0)\
MMABS_SUM(mm##3, mm##7, mm##1)\
MMABS_SUM(mm##4, mm##6, mm##0)\
MMABS_SUM(mm##5, mm##7, mm##1)\
#define DCT_SAD_MMX\
"pxor %%mm0, %%mm0 \n\t"\
"pxor %%mm1, %%mm1 \n\t"\
DCT_SAD4(q, %%mm, 0)\
DCT_SAD4(q, %%mm, 8)\
DCT_SAD4(q, %%mm, 64)\
DCT_SAD4(q, %%mm, 72)\
"paddusw %%mm1, %%mm0 \n\t"\
HSUM(%%mm0, %%mm1, %0)
#define DCT_SAD_SSE2\
"pxor %%xmm0, %%xmm0 \n\t"\
"pxor %%xmm1, %%xmm1 \n\t"\
DCT_SAD4(dqa, %%xmm, 0)\
DCT_SAD4(dqa, %%xmm, 64)\
"paddusw %%xmm1, %%xmm0 \n\t"\
HSUM(%%xmm0, %%xmm1, %0)
#define DCT_SAD_FUNC(cpu) \
static int sum_abs_dctelem_##cpu(int16_t *block){\
int sum;\
__asm__ volatile(\
DCT_SAD\
:"=r"(sum)\
:"r"(block)\
);\
return sum&0xFFFF;\
}
#define DCT_SAD DCT_SAD_MMX
#define HSUM(a,t,dst) HSUM_MMX(a,t,dst)
#define MMABS(a,z) MMABS_MMX(a,z)
DCT_SAD_FUNC(mmx)
#undef MMABS
#undef HSUM
#define HSUM(a,t,dst) HSUM_MMXEXT(a,t,dst)
#define MMABS(a,z) MMABS_MMXEXT(a,z)
DCT_SAD_FUNC(mmxext)
#undef HSUM
#undef DCT_SAD
#define DCT_SAD DCT_SAD_SSE2
#define HSUM(a,t,dst) HSUM_SSE2(a,t,dst)
DCT_SAD_FUNC(sse2)
#undef MMABS
#if HAVE_SSSE3_INLINE
#define MMABS(a,z) MMABS_SSSE3(a,z)
DCT_SAD_FUNC(ssse3)
#undef MMABS
#endif
#undef HSUM
#undef DCT_SAD
static int ssd_int8_vs_int16_mmx(const int8_t *pix1, const int16_t *pix2, int size){
int sum;
x86_reg i=size;
__asm__ volatile(
"pxor %%mm4, %%mm4 \n"
"1: \n"
"sub $8, %0 \n"
"movq (%2,%0), %%mm2 \n"
"movq (%3,%0,2), %%mm0 \n"
"movq 8(%3,%0,2), %%mm1 \n"
"punpckhbw %%mm2, %%mm3 \n"
"punpcklbw %%mm2, %%mm2 \n"
"psraw $8, %%mm3 \n"
"psraw $8, %%mm2 \n"
"psubw %%mm3, %%mm1 \n"
"psubw %%mm2, %%mm0 \n"
"pmaddwd %%mm1, %%mm1 \n"
"pmaddwd %%mm0, %%mm0 \n"
"paddd %%mm1, %%mm4 \n"
"paddd %%mm0, %%mm4 \n"
"jg 1b \n"
"movq %%mm4, %%mm3 \n"
"psrlq $32, %%mm3 \n"
"paddd %%mm3, %%mm4 \n"
"movd %%mm4, %1 \n"
:"+r"(i), "=r"(sum)
:"r"(pix1), "r"(pix2)
);
return sum;
}
#define PHADDD(a, t)\
"movq "#a", "#t" \n\t"\
"psrlq $32, "#a" \n\t"\
"paddd "#t", "#a" \n\t"
/*
pmulhw: dst[0-15]=(src[0-15]*dst[0-15])[16-31]
pmulhrw: dst[0-15]=(src[0-15]*dst[0-15] + 0x8000)[16-31]
pmulhrsw: dst[0-15]=(src[0-15]*dst[0-15] + 0x4000)[15-30]
*/
#define PMULHRW(x, y, s, o)\
"pmulhw " #s ", "#x " \n\t"\
"pmulhw " #s ", "#y " \n\t"\
"paddw " #o ", "#x " \n\t"\
"paddw " #o ", "#y " \n\t"\
"psraw $1, "#x " \n\t"\
"psraw $1, "#y " \n\t"
#define DEF(x) x ## _mmx
#define SET_RND MOVQ_WONE
#define SCALE_OFFSET 1
#include "dsputil_qns_template.c"
#undef DEF
#undef SET_RND
#undef SCALE_OFFSET
#undef PMULHRW
#define DEF(x) x ## _3dnow
#define SET_RND(x)
#define SCALE_OFFSET 0
#define PMULHRW(x, y, s, o)\
"pmulhrw " #s ", "#x " \n\t"\
"pmulhrw " #s ", "#y " \n\t"
#include "dsputil_qns_template.c"
#undef DEF
#undef SET_RND
#undef SCALE_OFFSET
#undef PMULHRW
#if HAVE_SSSE3_INLINE
#undef PHADDD
#define DEF(x) x ## _ssse3
#define SET_RND(x)
#define SCALE_OFFSET -1
#define PHADDD(a, t)\
"pshufw $0x0E, "#a", "#t" \n\t"\
"paddd "#t", "#a" \n\t" /* faster than phaddd on core2 */
#define PMULHRW(x, y, s, o)\
"pmulhrsw " #s ", "#x " \n\t"\
"pmulhrsw " #s ", "#y " \n\t"
#include "dsputil_qns_template.c"
#undef DEF
#undef SET_RND
#undef SCALE_OFFSET
#undef PMULHRW
#undef PHADDD
#endif /* HAVE_SSSE3_INLINE */
#endif /* HAVE_INLINE_ASM */
int ff_sse16_sse2(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h);
#define hadamard_func(cpu) \
int ff_hadamard8_diff_##cpu (void *s, uint8_t *src1, uint8_t *src2, \
int stride, int h); \
int ff_hadamard8_diff16_##cpu(void *s, uint8_t *src1, uint8_t *src2, \
int stride, int h);
hadamard_func(mmx)
hadamard_func(mmxext)
hadamard_func(sse2)
hadamard_func(ssse3)
av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx)
{
int cpu_flags = av_get_cpu_flags();
#if HAVE_YASM
int bit_depth = avctx->bits_per_raw_sample;
if (EXTERNAL_MMX(cpu_flags)) {
if (bit_depth <= 8)
c->get_pixels = ff_get_pixels_mmx;
c->diff_pixels = ff_diff_pixels_mmx;
c->pix_sum = ff_pix_sum16_mmx;
c->pix_norm1 = ff_pix_norm1_mmx;
}
if (EXTERNAL_SSE2(cpu_flags))
if (bit_depth <= 8)
c->get_pixels = ff_get_pixels_sse2;
#endif /* HAVE_YASM */
#if HAVE_INLINE_ASM
if (INLINE_MMX(cpu_flags)) {
const int dct_algo = avctx->dct_algo;
if (avctx->bits_per_raw_sample <= 8 &&
(dct_algo==FF_DCT_AUTO || dct_algo==FF_DCT_MMX)) {
if (cpu_flags & AV_CPU_FLAG_SSE2) {
c->fdct = ff_fdct_sse2;
} else if (cpu_flags & AV_CPU_FLAG_MMXEXT) {
c->fdct = ff_fdct_mmxext;
}else{
c->fdct = ff_fdct_mmx;
}
}
c->diff_bytes= diff_bytes_mmx;
c->sum_abs_dctelem= sum_abs_dctelem_mmx;
c->sse[0] = sse16_mmx;
c->sse[1] = sse8_mmx;
c->vsad[4]= vsad_intra16_mmx;
c->nsse[0] = nsse16_mmx;
c->nsse[1] = nsse8_mmx;
if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
c->vsad[0] = vsad16_mmx;
}
if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
c->try_8x8basis= try_8x8basis_mmx;
}
c->add_8x8basis= add_8x8basis_mmx;
c->ssd_int8_vs_int16 = ssd_int8_vs_int16_mmx;
}
if (INLINE_MMXEXT(cpu_flags)) {
c->sum_abs_dctelem = sum_abs_dctelem_mmxext;
c->vsad[4] = vsad_intra16_mmxext;
if (!(avctx->flags & CODEC_FLAG_BITEXACT)){
c->vsad[0] = vsad16_mmxext;
}
c->sub_hfyu_median_prediction = sub_hfyu_median_prediction_mmxext;
}
if (INLINE_SSE2(cpu_flags)) {
c->sum_abs_dctelem= sum_abs_dctelem_sse2;
}
#if HAVE_SSSE3_INLINE
if (INLINE_SSSE3(cpu_flags)) {
if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
c->try_8x8basis = try_8x8basis_ssse3;
}
c->add_8x8basis = add_8x8basis_ssse3;
c->sum_abs_dctelem = sum_abs_dctelem_ssse3;
}
#endif
if (INLINE_AMD3DNOW(cpu_flags)) {
if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
c->try_8x8basis = try_8x8basis_3dnow;
}
c->add_8x8basis = add_8x8basis_3dnow;
}
#endif /* HAVE_INLINE_ASM */
if (EXTERNAL_MMX(cpu_flags)) {
c->hadamard8_diff[0] = ff_hadamard8_diff16_mmx;
c->hadamard8_diff[1] = ff_hadamard8_diff_mmx;
}
if (EXTERNAL_MMXEXT(cpu_flags)) {
c->hadamard8_diff[0] = ff_hadamard8_diff16_mmxext;
c->hadamard8_diff[1] = ff_hadamard8_diff_mmxext;
}
if (EXTERNAL_SSE2(cpu_flags)) {
c->sse[0] = ff_sse16_sse2;
#if HAVE_ALIGNED_STACK
c->hadamard8_diff[0] = ff_hadamard8_diff16_sse2;
c->hadamard8_diff[1] = ff_hadamard8_diff_sse2;
#endif
}
if (EXTERNAL_SSSE3(cpu_flags) && HAVE_ALIGNED_STACK) {
c->hadamard8_diff[0] = ff_hadamard8_diff16_ssse3;
c->hadamard8_diff[1] = ff_hadamard8_diff_ssse3;
}
ff_dsputil_init_pix_mmx(c, avctx);
}