mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-12 19:18:44 +02:00
463 lines
20 KiB
C
463 lines
20 KiB
C
/*
|
|
* Optimized for ia32 CPUs by Nick Kurshev <nickols_k@mail.ru>
|
|
* h263, mpeg1, mpeg2 dequantizer & draw_edges by Michael Niedermayer <michaelni@gmx.at>
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav 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.
|
|
*
|
|
* Libav 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 Libav; 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/avcodec.h"
|
|
#include "libavcodec/mpegvideo.h"
|
|
|
|
#if HAVE_INLINE_ASM
|
|
|
|
static void dct_unquantize_h263_intra_mmx(MpegEncContext *s,
|
|
int16_t *block, int n, int qscale)
|
|
{
|
|
x86_reg level, qmul, qadd, nCoeffs;
|
|
|
|
qmul = qscale << 1;
|
|
|
|
assert(s->block_last_index[n]>=0 || s->h263_aic);
|
|
|
|
if (!s->h263_aic) {
|
|
if (n < 4)
|
|
level = block[0] * s->y_dc_scale;
|
|
else
|
|
level = block[0] * s->c_dc_scale;
|
|
qadd = (qscale - 1) | 1;
|
|
}else{
|
|
qadd = 0;
|
|
level= block[0];
|
|
}
|
|
if(s->ac_pred)
|
|
nCoeffs=63;
|
|
else
|
|
nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
|
|
|
|
__asm__ volatile(
|
|
"movd %1, %%mm6 \n\t" //qmul
|
|
"packssdw %%mm6, %%mm6 \n\t"
|
|
"packssdw %%mm6, %%mm6 \n\t"
|
|
"movd %2, %%mm5 \n\t" //qadd
|
|
"pxor %%mm7, %%mm7 \n\t"
|
|
"packssdw %%mm5, %%mm5 \n\t"
|
|
"packssdw %%mm5, %%mm5 \n\t"
|
|
"psubw %%mm5, %%mm7 \n\t"
|
|
"pxor %%mm4, %%mm4 \n\t"
|
|
".p2align 4 \n\t"
|
|
"1: \n\t"
|
|
"movq (%0, %3), %%mm0 \n\t"
|
|
"movq 8(%0, %3), %%mm1 \n\t"
|
|
|
|
"pmullw %%mm6, %%mm0 \n\t"
|
|
"pmullw %%mm6, %%mm1 \n\t"
|
|
|
|
"movq (%0, %3), %%mm2 \n\t"
|
|
"movq 8(%0, %3), %%mm3 \n\t"
|
|
|
|
"pcmpgtw %%mm4, %%mm2 \n\t" // block[i] < 0 ? -1 : 0
|
|
"pcmpgtw %%mm4, %%mm3 \n\t" // block[i] < 0 ? -1 : 0
|
|
|
|
"pxor %%mm2, %%mm0 \n\t"
|
|
"pxor %%mm3, %%mm1 \n\t"
|
|
|
|
"paddw %%mm7, %%mm0 \n\t"
|
|
"paddw %%mm7, %%mm1 \n\t"
|
|
|
|
"pxor %%mm0, %%mm2 \n\t"
|
|
"pxor %%mm1, %%mm3 \n\t"
|
|
|
|
"pcmpeqw %%mm7, %%mm0 \n\t" // block[i] == 0 ? -1 : 0
|
|
"pcmpeqw %%mm7, %%mm1 \n\t" // block[i] == 0 ? -1 : 0
|
|
|
|
"pandn %%mm2, %%mm0 \n\t"
|
|
"pandn %%mm3, %%mm1 \n\t"
|
|
|
|
"movq %%mm0, (%0, %3) \n\t"
|
|
"movq %%mm1, 8(%0, %3) \n\t"
|
|
|
|
"add $16, %3 \n\t"
|
|
"jng 1b \n\t"
|
|
::"r" (block+nCoeffs), "rm"(qmul), "rm" (qadd), "r" (2*(-nCoeffs))
|
|
: "memory"
|
|
);
|
|
block[0]= level;
|
|
}
|
|
|
|
|
|
static void dct_unquantize_h263_inter_mmx(MpegEncContext *s,
|
|
int16_t *block, int n, int qscale)
|
|
{
|
|
x86_reg qmul, qadd, nCoeffs;
|
|
|
|
qmul = qscale << 1;
|
|
qadd = (qscale - 1) | 1;
|
|
|
|
assert(s->block_last_index[n]>=0 || s->h263_aic);
|
|
|
|
nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
|
|
|
|
__asm__ volatile(
|
|
"movd %1, %%mm6 \n\t" //qmul
|
|
"packssdw %%mm6, %%mm6 \n\t"
|
|
"packssdw %%mm6, %%mm6 \n\t"
|
|
"movd %2, %%mm5 \n\t" //qadd
|
|
"pxor %%mm7, %%mm7 \n\t"
|
|
"packssdw %%mm5, %%mm5 \n\t"
|
|
"packssdw %%mm5, %%mm5 \n\t"
|
|
"psubw %%mm5, %%mm7 \n\t"
|
|
"pxor %%mm4, %%mm4 \n\t"
|
|
".p2align 4 \n\t"
|
|
"1: \n\t"
|
|
"movq (%0, %3), %%mm0 \n\t"
|
|
"movq 8(%0, %3), %%mm1 \n\t"
|
|
|
|
"pmullw %%mm6, %%mm0 \n\t"
|
|
"pmullw %%mm6, %%mm1 \n\t"
|
|
|
|
"movq (%0, %3), %%mm2 \n\t"
|
|
"movq 8(%0, %3), %%mm3 \n\t"
|
|
|
|
"pcmpgtw %%mm4, %%mm2 \n\t" // block[i] < 0 ? -1 : 0
|
|
"pcmpgtw %%mm4, %%mm3 \n\t" // block[i] < 0 ? -1 : 0
|
|
|
|
"pxor %%mm2, %%mm0 \n\t"
|
|
"pxor %%mm3, %%mm1 \n\t"
|
|
|
|
"paddw %%mm7, %%mm0 \n\t"
|
|
"paddw %%mm7, %%mm1 \n\t"
|
|
|
|
"pxor %%mm0, %%mm2 \n\t"
|
|
"pxor %%mm1, %%mm3 \n\t"
|
|
|
|
"pcmpeqw %%mm7, %%mm0 \n\t" // block[i] == 0 ? -1 : 0
|
|
"pcmpeqw %%mm7, %%mm1 \n\t" // block[i] == 0 ? -1 : 0
|
|
|
|
"pandn %%mm2, %%mm0 \n\t"
|
|
"pandn %%mm3, %%mm1 \n\t"
|
|
|
|
"movq %%mm0, (%0, %3) \n\t"
|
|
"movq %%mm1, 8(%0, %3) \n\t"
|
|
|
|
"add $16, %3 \n\t"
|
|
"jng 1b \n\t"
|
|
::"r" (block+nCoeffs), "rm"(qmul), "rm" (qadd), "r" (2*(-nCoeffs))
|
|
: "memory"
|
|
);
|
|
}
|
|
|
|
static void dct_unquantize_mpeg1_intra_mmx(MpegEncContext *s,
|
|
int16_t *block, int n, int qscale)
|
|
{
|
|
x86_reg nCoeffs;
|
|
const uint16_t *quant_matrix;
|
|
int block0;
|
|
|
|
assert(s->block_last_index[n]>=0);
|
|
|
|
nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ]+1;
|
|
|
|
if (n < 4)
|
|
block0 = block[0] * s->y_dc_scale;
|
|
else
|
|
block0 = block[0] * s->c_dc_scale;
|
|
/* XXX: only mpeg1 */
|
|
quant_matrix = s->intra_matrix;
|
|
__asm__ volatile(
|
|
"pcmpeqw %%mm7, %%mm7 \n\t"
|
|
"psrlw $15, %%mm7 \n\t"
|
|
"movd %2, %%mm6 \n\t"
|
|
"packssdw %%mm6, %%mm6 \n\t"
|
|
"packssdw %%mm6, %%mm6 \n\t"
|
|
"mov %3, %%"REG_a" \n\t"
|
|
".p2align 4 \n\t"
|
|
"1: \n\t"
|
|
"movq (%0, %%"REG_a"), %%mm0 \n\t"
|
|
"movq 8(%0, %%"REG_a"), %%mm1 \n\t"
|
|
"movq (%1, %%"REG_a"), %%mm4 \n\t"
|
|
"movq 8(%1, %%"REG_a"), %%mm5 \n\t"
|
|
"pmullw %%mm6, %%mm4 \n\t" // q=qscale*quant_matrix[i]
|
|
"pmullw %%mm6, %%mm5 \n\t" // q=qscale*quant_matrix[i]
|
|
"pxor %%mm2, %%mm2 \n\t"
|
|
"pxor %%mm3, %%mm3 \n\t"
|
|
"pcmpgtw %%mm0, %%mm2 \n\t" // block[i] < 0 ? -1 : 0
|
|
"pcmpgtw %%mm1, %%mm3 \n\t" // block[i] < 0 ? -1 : 0
|
|
"pxor %%mm2, %%mm0 \n\t"
|
|
"pxor %%mm3, %%mm1 \n\t"
|
|
"psubw %%mm2, %%mm0 \n\t" // abs(block[i])
|
|
"psubw %%mm3, %%mm1 \n\t" // abs(block[i])
|
|
"pmullw %%mm4, %%mm0 \n\t" // abs(block[i])*q
|
|
"pmullw %%mm5, %%mm1 \n\t" // abs(block[i])*q
|
|
"pxor %%mm4, %%mm4 \n\t"
|
|
"pxor %%mm5, %%mm5 \n\t" // FIXME slow
|
|
"pcmpeqw (%0, %%"REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0
|
|
"pcmpeqw 8(%0, %%"REG_a"), %%mm5\n\t" // block[i] == 0 ? -1 : 0
|
|
"psraw $3, %%mm0 \n\t"
|
|
"psraw $3, %%mm1 \n\t"
|
|
"psubw %%mm7, %%mm0 \n\t"
|
|
"psubw %%mm7, %%mm1 \n\t"
|
|
"por %%mm7, %%mm0 \n\t"
|
|
"por %%mm7, %%mm1 \n\t"
|
|
"pxor %%mm2, %%mm0 \n\t"
|
|
"pxor %%mm3, %%mm1 \n\t"
|
|
"psubw %%mm2, %%mm0 \n\t"
|
|
"psubw %%mm3, %%mm1 \n\t"
|
|
"pandn %%mm0, %%mm4 \n\t"
|
|
"pandn %%mm1, %%mm5 \n\t"
|
|
"movq %%mm4, (%0, %%"REG_a") \n\t"
|
|
"movq %%mm5, 8(%0, %%"REG_a") \n\t"
|
|
|
|
"add $16, %%"REG_a" \n\t"
|
|
"js 1b \n\t"
|
|
::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "rm" (qscale), "g" (-2*nCoeffs)
|
|
: "%"REG_a, "memory"
|
|
);
|
|
block[0]= block0;
|
|
}
|
|
|
|
static void dct_unquantize_mpeg1_inter_mmx(MpegEncContext *s,
|
|
int16_t *block, int n, int qscale)
|
|
{
|
|
x86_reg nCoeffs;
|
|
const uint16_t *quant_matrix;
|
|
|
|
assert(s->block_last_index[n]>=0);
|
|
|
|
nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ]+1;
|
|
|
|
quant_matrix = s->inter_matrix;
|
|
__asm__ volatile(
|
|
"pcmpeqw %%mm7, %%mm7 \n\t"
|
|
"psrlw $15, %%mm7 \n\t"
|
|
"movd %2, %%mm6 \n\t"
|
|
"packssdw %%mm6, %%mm6 \n\t"
|
|
"packssdw %%mm6, %%mm6 \n\t"
|
|
"mov %3, %%"REG_a" \n\t"
|
|
".p2align 4 \n\t"
|
|
"1: \n\t"
|
|
"movq (%0, %%"REG_a"), %%mm0 \n\t"
|
|
"movq 8(%0, %%"REG_a"), %%mm1 \n\t"
|
|
"movq (%1, %%"REG_a"), %%mm4 \n\t"
|
|
"movq 8(%1, %%"REG_a"), %%mm5 \n\t"
|
|
"pmullw %%mm6, %%mm4 \n\t" // q=qscale*quant_matrix[i]
|
|
"pmullw %%mm6, %%mm5 \n\t" // q=qscale*quant_matrix[i]
|
|
"pxor %%mm2, %%mm2 \n\t"
|
|
"pxor %%mm3, %%mm3 \n\t"
|
|
"pcmpgtw %%mm0, %%mm2 \n\t" // block[i] < 0 ? -1 : 0
|
|
"pcmpgtw %%mm1, %%mm3 \n\t" // block[i] < 0 ? -1 : 0
|
|
"pxor %%mm2, %%mm0 \n\t"
|
|
"pxor %%mm3, %%mm1 \n\t"
|
|
"psubw %%mm2, %%mm0 \n\t" // abs(block[i])
|
|
"psubw %%mm3, %%mm1 \n\t" // abs(block[i])
|
|
"paddw %%mm0, %%mm0 \n\t" // abs(block[i])*2
|
|
"paddw %%mm1, %%mm1 \n\t" // abs(block[i])*2
|
|
"paddw %%mm7, %%mm0 \n\t" // abs(block[i])*2 + 1
|
|
"paddw %%mm7, %%mm1 \n\t" // abs(block[i])*2 + 1
|
|
"pmullw %%mm4, %%mm0 \n\t" // (abs(block[i])*2 + 1)*q
|
|
"pmullw %%mm5, %%mm1 \n\t" // (abs(block[i])*2 + 1)*q
|
|
"pxor %%mm4, %%mm4 \n\t"
|
|
"pxor %%mm5, %%mm5 \n\t" // FIXME slow
|
|
"pcmpeqw (%0, %%"REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0
|
|
"pcmpeqw 8(%0, %%"REG_a"), %%mm5\n\t" // block[i] == 0 ? -1 : 0
|
|
"psraw $4, %%mm0 \n\t"
|
|
"psraw $4, %%mm1 \n\t"
|
|
"psubw %%mm7, %%mm0 \n\t"
|
|
"psubw %%mm7, %%mm1 \n\t"
|
|
"por %%mm7, %%mm0 \n\t"
|
|
"por %%mm7, %%mm1 \n\t"
|
|
"pxor %%mm2, %%mm0 \n\t"
|
|
"pxor %%mm3, %%mm1 \n\t"
|
|
"psubw %%mm2, %%mm0 \n\t"
|
|
"psubw %%mm3, %%mm1 \n\t"
|
|
"pandn %%mm0, %%mm4 \n\t"
|
|
"pandn %%mm1, %%mm5 \n\t"
|
|
"movq %%mm4, (%0, %%"REG_a") \n\t"
|
|
"movq %%mm5, 8(%0, %%"REG_a") \n\t"
|
|
|
|
"add $16, %%"REG_a" \n\t"
|
|
"js 1b \n\t"
|
|
::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "rm" (qscale), "g" (-2*nCoeffs)
|
|
: "%"REG_a, "memory"
|
|
);
|
|
}
|
|
|
|
static void dct_unquantize_mpeg2_intra_mmx(MpegEncContext *s,
|
|
int16_t *block, int n, int qscale)
|
|
{
|
|
x86_reg nCoeffs;
|
|
const uint16_t *quant_matrix;
|
|
int block0;
|
|
|
|
assert(s->block_last_index[n]>=0);
|
|
|
|
if(s->alternate_scan) nCoeffs= 63; //FIXME
|
|
else nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ];
|
|
|
|
if (n < 4)
|
|
block0 = block[0] * s->y_dc_scale;
|
|
else
|
|
block0 = block[0] * s->c_dc_scale;
|
|
quant_matrix = s->intra_matrix;
|
|
__asm__ volatile(
|
|
"pcmpeqw %%mm7, %%mm7 \n\t"
|
|
"psrlw $15, %%mm7 \n\t"
|
|
"movd %2, %%mm6 \n\t"
|
|
"packssdw %%mm6, %%mm6 \n\t"
|
|
"packssdw %%mm6, %%mm6 \n\t"
|
|
"mov %3, %%"REG_a" \n\t"
|
|
".p2align 4 \n\t"
|
|
"1: \n\t"
|
|
"movq (%0, %%"REG_a"), %%mm0 \n\t"
|
|
"movq 8(%0, %%"REG_a"), %%mm1 \n\t"
|
|
"movq (%1, %%"REG_a"), %%mm4 \n\t"
|
|
"movq 8(%1, %%"REG_a"), %%mm5 \n\t"
|
|
"pmullw %%mm6, %%mm4 \n\t" // q=qscale*quant_matrix[i]
|
|
"pmullw %%mm6, %%mm5 \n\t" // q=qscale*quant_matrix[i]
|
|
"pxor %%mm2, %%mm2 \n\t"
|
|
"pxor %%mm3, %%mm3 \n\t"
|
|
"pcmpgtw %%mm0, %%mm2 \n\t" // block[i] < 0 ? -1 : 0
|
|
"pcmpgtw %%mm1, %%mm3 \n\t" // block[i] < 0 ? -1 : 0
|
|
"pxor %%mm2, %%mm0 \n\t"
|
|
"pxor %%mm3, %%mm1 \n\t"
|
|
"psubw %%mm2, %%mm0 \n\t" // abs(block[i])
|
|
"psubw %%mm3, %%mm1 \n\t" // abs(block[i])
|
|
"pmullw %%mm4, %%mm0 \n\t" // abs(block[i])*q
|
|
"pmullw %%mm5, %%mm1 \n\t" // abs(block[i])*q
|
|
"pxor %%mm4, %%mm4 \n\t"
|
|
"pxor %%mm5, %%mm5 \n\t" // FIXME slow
|
|
"pcmpeqw (%0, %%"REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0
|
|
"pcmpeqw 8(%0, %%"REG_a"), %%mm5\n\t" // block[i] == 0 ? -1 : 0
|
|
"psraw $3, %%mm0 \n\t"
|
|
"psraw $3, %%mm1 \n\t"
|
|
"pxor %%mm2, %%mm0 \n\t"
|
|
"pxor %%mm3, %%mm1 \n\t"
|
|
"psubw %%mm2, %%mm0 \n\t"
|
|
"psubw %%mm3, %%mm1 \n\t"
|
|
"pandn %%mm0, %%mm4 \n\t"
|
|
"pandn %%mm1, %%mm5 \n\t"
|
|
"movq %%mm4, (%0, %%"REG_a") \n\t"
|
|
"movq %%mm5, 8(%0, %%"REG_a") \n\t"
|
|
|
|
"add $16, %%"REG_a" \n\t"
|
|
"jng 1b \n\t"
|
|
::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "rm" (qscale), "g" (-2*nCoeffs)
|
|
: "%"REG_a, "memory"
|
|
);
|
|
block[0]= block0;
|
|
//Note, we do not do mismatch control for intra as errors cannot accumulate
|
|
}
|
|
|
|
static void dct_unquantize_mpeg2_inter_mmx(MpegEncContext *s,
|
|
int16_t *block, int n, int qscale)
|
|
{
|
|
x86_reg nCoeffs;
|
|
const uint16_t *quant_matrix;
|
|
|
|
assert(s->block_last_index[n]>=0);
|
|
|
|
if(s->alternate_scan) nCoeffs= 63; //FIXME
|
|
else nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ];
|
|
|
|
quant_matrix = s->inter_matrix;
|
|
__asm__ volatile(
|
|
"pcmpeqw %%mm7, %%mm7 \n\t"
|
|
"psrlq $48, %%mm7 \n\t"
|
|
"movd %2, %%mm6 \n\t"
|
|
"packssdw %%mm6, %%mm6 \n\t"
|
|
"packssdw %%mm6, %%mm6 \n\t"
|
|
"mov %3, %%"REG_a" \n\t"
|
|
".p2align 4 \n\t"
|
|
"1: \n\t"
|
|
"movq (%0, %%"REG_a"), %%mm0 \n\t"
|
|
"movq 8(%0, %%"REG_a"), %%mm1 \n\t"
|
|
"movq (%1, %%"REG_a"), %%mm4 \n\t"
|
|
"movq 8(%1, %%"REG_a"), %%mm5 \n\t"
|
|
"pmullw %%mm6, %%mm4 \n\t" // q=qscale*quant_matrix[i]
|
|
"pmullw %%mm6, %%mm5 \n\t" // q=qscale*quant_matrix[i]
|
|
"pxor %%mm2, %%mm2 \n\t"
|
|
"pxor %%mm3, %%mm3 \n\t"
|
|
"pcmpgtw %%mm0, %%mm2 \n\t" // block[i] < 0 ? -1 : 0
|
|
"pcmpgtw %%mm1, %%mm3 \n\t" // block[i] < 0 ? -1 : 0
|
|
"pxor %%mm2, %%mm0 \n\t"
|
|
"pxor %%mm3, %%mm1 \n\t"
|
|
"psubw %%mm2, %%mm0 \n\t" // abs(block[i])
|
|
"psubw %%mm3, %%mm1 \n\t" // abs(block[i])
|
|
"paddw %%mm0, %%mm0 \n\t" // abs(block[i])*2
|
|
"paddw %%mm1, %%mm1 \n\t" // abs(block[i])*2
|
|
"pmullw %%mm4, %%mm0 \n\t" // abs(block[i])*2*q
|
|
"pmullw %%mm5, %%mm1 \n\t" // abs(block[i])*2*q
|
|
"paddw %%mm4, %%mm0 \n\t" // (abs(block[i])*2 + 1)*q
|
|
"paddw %%mm5, %%mm1 \n\t" // (abs(block[i])*2 + 1)*q
|
|
"pxor %%mm4, %%mm4 \n\t"
|
|
"pxor %%mm5, %%mm5 \n\t" // FIXME slow
|
|
"pcmpeqw (%0, %%"REG_a"), %%mm4 \n\t" // block[i] == 0 ? -1 : 0
|
|
"pcmpeqw 8(%0, %%"REG_a"), %%mm5\n\t" // block[i] == 0 ? -1 : 0
|
|
"psrlw $4, %%mm0 \n\t"
|
|
"psrlw $4, %%mm1 \n\t"
|
|
"pxor %%mm2, %%mm0 \n\t"
|
|
"pxor %%mm3, %%mm1 \n\t"
|
|
"psubw %%mm2, %%mm0 \n\t"
|
|
"psubw %%mm3, %%mm1 \n\t"
|
|
"pandn %%mm0, %%mm4 \n\t"
|
|
"pandn %%mm1, %%mm5 \n\t"
|
|
"pxor %%mm4, %%mm7 \n\t"
|
|
"pxor %%mm5, %%mm7 \n\t"
|
|
"movq %%mm4, (%0, %%"REG_a") \n\t"
|
|
"movq %%mm5, 8(%0, %%"REG_a") \n\t"
|
|
|
|
"add $16, %%"REG_a" \n\t"
|
|
"jng 1b \n\t"
|
|
"movd 124(%0, %3), %%mm0 \n\t"
|
|
"movq %%mm7, %%mm6 \n\t"
|
|
"psrlq $32, %%mm7 \n\t"
|
|
"pxor %%mm6, %%mm7 \n\t"
|
|
"movq %%mm7, %%mm6 \n\t"
|
|
"psrlq $16, %%mm7 \n\t"
|
|
"pxor %%mm6, %%mm7 \n\t"
|
|
"pslld $31, %%mm7 \n\t"
|
|
"psrlq $15, %%mm7 \n\t"
|
|
"pxor %%mm7, %%mm0 \n\t"
|
|
"movd %%mm0, 124(%0, %3) \n\t"
|
|
|
|
::"r" (block+nCoeffs), "r"(quant_matrix+nCoeffs), "rm" (qscale), "r" (-2*nCoeffs)
|
|
: "%"REG_a, "memory"
|
|
);
|
|
}
|
|
|
|
#endif /* HAVE_INLINE_ASM */
|
|
|
|
av_cold void ff_mpv_common_init_x86(MpegEncContext *s)
|
|
{
|
|
#if HAVE_INLINE_ASM
|
|
int cpu_flags = av_get_cpu_flags();
|
|
|
|
if (INLINE_MMX(cpu_flags)) {
|
|
s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_mmx;
|
|
s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_mmx;
|
|
s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_mmx;
|
|
s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_mmx;
|
|
if(!(s->flags & CODEC_FLAG_BITEXACT))
|
|
s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_mmx;
|
|
s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_mmx;
|
|
}
|
|
#endif /* HAVE_INLINE_ASM */
|
|
}
|