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提交 407c50a0 编写于 作者: A Aurelien Jacobs
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move FLAC mmx dsp to its own file 

Originally committed as revision 11244 to svn://svn.ffmpeg.org/ffmpeg/trunk
上级 bcfe2ba0
隐藏空白更改
内联 并排
Showing with 146 addition and 120 deletion
libavcodec/Makefile
浏览文件 @ 407c50a0
......@@ -363,6 +363,7 @@ OBJS += i386/fdct_mmx.o \
OBJS-$(CONFIG_GPL) += i386/idct_mmx.o
OBJS-$(CONFIG_CAVS_DECODER) += i386/cavsdsp_mmx.o
OBJS-$(CONFIG_FLAC_ENCODER) += i386/flacdsp_mmx.o
OBJS-$(CONFIG_SNOW_DECODER) += i386/snowdsp_mmx.o
OBJS-$(CONFIG_VC1_DECODER) += i386/vc1dsp_mmx.o
OBJS-$(CONFIG_VP3_DECODER) += i386/vp3dsp_mmx.o i386/vp3dsp_sse2.o
......
libavcodec/i386/dsputil_mmx.c
浏览文件 @ 407c50a0
......@@ -2857,6 +2857,10 @@ void ff_avg_cavs_qpel16_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride) {
avg_pixels16_mmx(dst, src, stride, 16);
}
/* FLAC specific */
void ff_flac_compute_autocorr_sse2(const int32_t *data, int len, int lag,
double *autoc);
/* VC1 specific */
void ff_vc1dsp_init_mmx(DSPContext* dsp, AVCodecContext *avctx);
......@@ -2971,125 +2975,6 @@ static void vorbis_inverse_coupling_sse(float *mag, float *ang, int blocksize)
}
}
#ifdef CONFIG_ENCODERS
static void apply_welch_window_sse2(const int32_t *data, int len, double *w_data)
{
double c = 2.0 / (len-1.0);
int n2 = len>>1;
long i = -n2*sizeof(int32_t);
long j = n2*sizeof(int32_t);
asm volatile(
"movsd %0, %%xmm7 \n\t"
"movapd %1, %%xmm6 \n\t"
"movapd %2, %%xmm5 \n\t"
"movlhps %%xmm7, %%xmm7 \n\t"
"subpd %%xmm5, %%xmm7 \n\t"
"addsd %%xmm6, %%xmm7 \n\t"
::"m"(c), "m"(*ff_pd_1), "m"(*ff_pd_2)
);
#define WELCH(MOVPD)\
asm volatile(\
"1: \n\t"\
"movapd %%xmm7, %%xmm1 \n\t"\
"mulpd %%xmm1, %%xmm1 \n\t"\
"movapd %%xmm6, %%xmm0 \n\t"\
"subpd %%xmm1, %%xmm0 \n\t"\
"pshufd $0x4e, %%xmm0, %%xmm1 \n\t"\
"cvtpi2pd (%4,%0), %%xmm2 \n\t"\
"cvtpi2pd (%5,%1), %%xmm3 \n\t"\
"mulpd %%xmm0, %%xmm2 \n\t"\
"mulpd %%xmm1, %%xmm3 \n\t"\
"movapd %%xmm2, (%2,%0,2) \n\t"\
MOVPD" %%xmm3, (%3,%1,2) \n\t"\
"subpd %%xmm5, %%xmm7 \n\t"\
"sub $8, %1 \n\t"\
"add $8, %0 \n\t"\
"jl 1b \n\t"\
:"+&r"(i), "+&r"(j)\
:"r"(w_data+n2), "r"(w_data+len-2-n2),\
"r"(data+n2), "r"(data+len-2-n2)\
);
if(len&1)
WELCH("movupd")
else
WELCH("movapd")
#undef WELCH
}
static void flac_compute_autocorr_sse2(const int32_t *data, int len, int lag,
double *autoc)
{
double tmp[len + lag + 2];
double *data1 = tmp + lag;
int j;
if((long)data1 & 15)
data1++;
apply_welch_window_sse2(data, len, data1);
for(j=0; j<lag; j++)
data1[j-lag]= 0.0;
data1[len] = 0.0;
for(j=0; j<lag; j+=2){
long i = -len*sizeof(double);
if(j == lag-2) {
asm volatile(
"movsd %6, %%xmm0 \n\t"
"movsd %6, %%xmm1 \n\t"
"movsd %6, %%xmm2 \n\t"
"1: \n\t"
"movapd (%4,%0), %%xmm3 \n\t"
"movupd -8(%5,%0), %%xmm4 \n\t"
"movapd (%5,%0), %%xmm5 \n\t"
"mulpd %%xmm3, %%xmm4 \n\t"
"mulpd %%xmm3, %%xmm5 \n\t"
"mulpd -16(%5,%0), %%xmm3 \n\t"
"addpd %%xmm4, %%xmm1 \n\t"
"addpd %%xmm5, %%xmm0 \n\t"
"addpd %%xmm3, %%xmm2 \n\t"
"add $16, %0 \n\t"
"jl 1b \n\t"
"movhlps %%xmm0, %%xmm3 \n\t"
"movhlps %%xmm1, %%xmm4 \n\t"
"movhlps %%xmm2, %%xmm5 \n\t"
"addsd %%xmm3, %%xmm0 \n\t"
"addsd %%xmm4, %%xmm1 \n\t"
"addsd %%xmm5, %%xmm2 \n\t"
"movsd %%xmm0, %1 \n\t"
"movsd %%xmm1, %2 \n\t"
"movsd %%xmm2, %3 \n\t"
:"+&r"(i), "=m"(autoc[j]), "=m"(autoc[j+1]), "=m"(autoc[j+2])
:"r"(data1+len), "r"(data1+len-j), "m"(*ff_pd_1)
);
} else {
asm volatile(
"movsd %5, %%xmm0 \n\t"
"movsd %5, %%xmm1 \n\t"
"1: \n\t"
"movapd (%3,%0), %%xmm3 \n\t"
"movupd -8(%4,%0), %%xmm4 \n\t"
"mulpd %%xmm3, %%xmm4 \n\t"
"mulpd (%4,%0), %%xmm3 \n\t"
"addpd %%xmm4, %%xmm1 \n\t"
"addpd %%xmm3, %%xmm0 \n\t"
"add $16, %0 \n\t"
"jl 1b \n\t"
"movhlps %%xmm0, %%xmm3 \n\t"
"movhlps %%xmm1, %%xmm4 \n\t"
"addsd %%xmm3, %%xmm0 \n\t"
"addsd %%xmm4, %%xmm1 \n\t"
"movsd %%xmm0, %1 \n\t"
"movsd %%xmm1, %2 \n\t"
:"+&r"(i), "=m"(autoc[j]), "=m"(autoc[j+1])
:"r"(data1+len), "r"(data1+len-j), "m"(*ff_pd_1)
);
}
}
}
#endif // CONFIG_ENCODERS
static void vector_fmul_3dnow(float *dst, const float *src, int len){
long i = (len-4)*4;
asm volatile(
......@@ -3737,7 +3622,8 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
c->sum_abs_dctelem= sum_abs_dctelem_sse2;
c->hadamard8_diff[0]= hadamard8_diff16_sse2;
c->hadamard8_diff[1]= hadamard8_diff_sse2;
c->flac_compute_autocorr = flac_compute_autocorr_sse2;
if (ENABLE_FLAC_ENCODER)
c->flac_compute_autocorr = ff_flac_compute_autocorr_sse2;
}
#ifdef HAVE_SSSE3
......
libavcodec/i386/flacdsp_mmx.c 0 → 100644
浏览文件 @ 407c50a0
/*
* MMX optimized FLAC DSP utils
* Copyright (c) 2007 Loren Merritt
*
* 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 "dsputil_mmx.h"
static void apply_welch_window_sse2(const int32_t *data, int len, double *w_data)
{
double c = 2.0 / (len-1.0);
int n2 = len>>1;
long i = -n2*sizeof(int32_t);
long j = n2*sizeof(int32_t);
asm volatile(
"movsd %0, %%xmm7 \n\t"
"movapd %1, %%xmm6 \n\t"
"movapd %2, %%xmm5 \n\t"
"movlhps %%xmm7, %%xmm7 \n\t"
"subpd %%xmm5, %%xmm7 \n\t"
"addsd %%xmm6, %%xmm7 \n\t"
::"m"(c), "m"(*ff_pd_1), "m"(*ff_pd_2)
);
#define WELCH(MOVPD)\
asm volatile(\
"1: \n\t"\
"movapd %%xmm7, %%xmm1 \n\t"\
"mulpd %%xmm1, %%xmm1 \n\t"\
"movapd %%xmm6, %%xmm0 \n\t"\
"subpd %%xmm1, %%xmm0 \n\t"\
"pshufd $0x4e, %%xmm0, %%xmm1 \n\t"\
"cvtpi2pd (%4,%0), %%xmm2 \n\t"\
"cvtpi2pd (%5,%1), %%xmm3 \n\t"\
"mulpd %%xmm0, %%xmm2 \n\t"\
"mulpd %%xmm1, %%xmm3 \n\t"\
"movapd %%xmm2, (%2,%0,2) \n\t"\
MOVPD" %%xmm3, (%3,%1,2) \n\t"\
"subpd %%xmm5, %%xmm7 \n\t"\
"sub $8, %1 \n\t"\
"add $8, %0 \n\t"\
"jl 1b \n\t"\
:"+&r"(i), "+&r"(j)\
:"r"(w_data+n2), "r"(w_data+len-2-n2),\
"r"(data+n2), "r"(data+len-2-n2)\
);
if(len&1)
WELCH("movupd")
else
WELCH("movapd")
#undef WELCH
}
void ff_flac_compute_autocorr_sse2(const int32_t *data, int len, int lag,
double *autoc)
{
double tmp[len + lag + 2];
double *data1 = tmp + lag;
int j;
if((long)data1 & 15)
data1++;
apply_welch_window_sse2(data, len, data1);
for(j=0; j<lag; j++)
data1[j-lag]= 0.0;
data1[len] = 0.0;
for(j=0; j<lag; j+=2){
long i = -len*sizeof(double);
if(j == lag-2) {
asm volatile(
"movsd %6, %%xmm0 \n\t"
"movsd %6, %%xmm1 \n\t"
"movsd %6, %%xmm2 \n\t"
"1: \n\t"
"movapd (%4,%0), %%xmm3 \n\t"
"movupd -8(%5,%0), %%xmm4 \n\t"
"movapd (%5,%0), %%xmm5 \n\t"
"mulpd %%xmm3, %%xmm4 \n\t"
"mulpd %%xmm3, %%xmm5 \n\t"
"mulpd -16(%5,%0), %%xmm3 \n\t"
"addpd %%xmm4, %%xmm1 \n\t"
"addpd %%xmm5, %%xmm0 \n\t"
"addpd %%xmm3, %%xmm2 \n\t"
"add $16, %0 \n\t"
"jl 1b \n\t"
"movhlps %%xmm0, %%xmm3 \n\t"
"movhlps %%xmm1, %%xmm4 \n\t"
"movhlps %%xmm2, %%xmm5 \n\t"
"addsd %%xmm3, %%xmm0 \n\t"
"addsd %%xmm4, %%xmm1 \n\t"
"addsd %%xmm5, %%xmm2 \n\t"
"movsd %%xmm0, %1 \n\t"
"movsd %%xmm1, %2 \n\t"
"movsd %%xmm2, %3 \n\t"
:"+&r"(i), "=m"(autoc[j]), "=m"(autoc[j+1]), "=m"(autoc[j+2])
:"r"(data1+len), "r"(data1+len-j), "m"(*ff_pd_1)
);
} else {
asm volatile(
"movsd %5, %%xmm0 \n\t"
"movsd %5, %%xmm1 \n\t"
"1: \n\t"
"movapd (%3,%0), %%xmm3 \n\t"
"movupd -8(%4,%0), %%xmm4 \n\t"
"mulpd %%xmm3, %%xmm4 \n\t"
"mulpd (%4,%0), %%xmm3 \n\t"
"addpd %%xmm4, %%xmm1 \n\t"
"addpd %%xmm3, %%xmm0 \n\t"
"add $16, %0 \n\t"
"jl 1b \n\t"
"movhlps %%xmm0, %%xmm3 \n\t"
"movhlps %%xmm1, %%xmm4 \n\t"
"addsd %%xmm3, %%xmm0 \n\t"
"addsd %%xmm4, %%xmm1 \n\t"
"movsd %%xmm0, %1 \n\t"
"movsd %%xmm1, %2 \n\t"
:"+&r"(i), "=m"(autoc[j]), "=m"(autoc[j+1])
:"r"(data1+len), "r"(data1+len-j), "m"(*ff_pd_1)
);
}
}
}
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