mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
164 lines
6.7 KiB
164 lines
6.7 KiB
/* |
|
* 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 "config.h" |
|
|
|
#include "libavutil/attributes.h" |
|
#include "libavutil/cpu.h" |
|
#include "libavutil/float_dsp.h" |
|
#include "cpu.h" |
|
#include "asm.h" |
|
|
|
void ff_vector_fmul_sse(float *dst, const float *src0, const float *src1, |
|
int len); |
|
void ff_vector_fmul_avx(float *dst, const float *src0, const float *src1, |
|
int len); |
|
|
|
void ff_vector_fmac_scalar_sse(float *dst, const float *src, float mul, |
|
int len); |
|
void ff_vector_fmac_scalar_avx(float *dst, const float *src, float mul, |
|
int len); |
|
void ff_vector_fmac_scalar_fma3(float *dst, const float *src, float mul, |
|
int len); |
|
|
|
void ff_vector_fmul_scalar_sse(float *dst, const float *src, float mul, |
|
int len); |
|
|
|
void ff_vector_dmul_scalar_sse2(double *dst, const double *src, |
|
double mul, int len); |
|
void ff_vector_dmul_scalar_avx(double *dst, const double *src, |
|
double mul, int len); |
|
|
|
void ff_vector_fmul_add_sse(float *dst, const float *src0, const float *src1, |
|
const float *src2, int len); |
|
void ff_vector_fmul_add_avx(float *dst, const float *src0, const float *src1, |
|
const float *src2, int len); |
|
void ff_vector_fmul_add_fma3(float *dst, const float *src0, const float *src1, |
|
const float *src2, int len); |
|
|
|
void ff_vector_fmul_reverse_sse(float *dst, const float *src0, |
|
const float *src1, int len); |
|
void ff_vector_fmul_reverse_avx(float *dst, const float *src0, |
|
const float *src1, int len); |
|
|
|
float ff_scalarproduct_float_sse(const float *v1, const float *v2, int order); |
|
|
|
void ff_butterflies_float_sse(float *src0, float *src1, int len); |
|
|
|
#if HAVE_6REGS && HAVE_INLINE_ASM |
|
static void vector_fmul_window_3dnowext(float *dst, const float *src0, |
|
const float *src1, const float *win, |
|
int len) |
|
{ |
|
x86_reg i = -len * 4; |
|
x86_reg j = len * 4 - 8; |
|
__asm__ volatile ( |
|
"1: \n" |
|
"pswapd (%5, %1), %%mm1 \n" |
|
"movq (%5, %0), %%mm0 \n" |
|
"pswapd (%4, %1), %%mm5 \n" |
|
"movq (%3, %0), %%mm4 \n" |
|
"movq %%mm0, %%mm2 \n" |
|
"movq %%mm1, %%mm3 \n" |
|
"pfmul %%mm4, %%mm2 \n" // src0[len + i] * win[len + i] |
|
"pfmul %%mm5, %%mm3 \n" // src1[j] * win[len + j] |
|
"pfmul %%mm4, %%mm1 \n" // src0[len + i] * win[len + j] |
|
"pfmul %%mm5, %%mm0 \n" // src1[j] * win[len + i] |
|
"pfadd %%mm3, %%mm2 \n" |
|
"pfsub %%mm0, %%mm1 \n" |
|
"pswapd %%mm2, %%mm2 \n" |
|
"movq %%mm1, (%2, %0) \n" |
|
"movq %%mm2, (%2, %1) \n" |
|
"sub $8, %1 \n" |
|
"add $8, %0 \n" |
|
"jl 1b \n" |
|
"femms \n" |
|
: "+r"(i), "+r"(j) |
|
: "r"(dst + len), "r"(src0 + len), "r"(src1), "r"(win + len) |
|
); |
|
} |
|
|
|
static void vector_fmul_window_sse(float *dst, const float *src0, |
|
const float *src1, const float *win, int len) |
|
{ |
|
x86_reg i = -len * 4; |
|
x86_reg j = len * 4 - 16; |
|
__asm__ volatile ( |
|
"1: \n" |
|
"movaps (%5, %1), %%xmm1 \n" |
|
"movaps (%5, %0), %%xmm0 \n" |
|
"movaps (%4, %1), %%xmm5 \n" |
|
"movaps (%3, %0), %%xmm4 \n" |
|
"shufps $0x1b, %%xmm1, %%xmm1 \n" |
|
"shufps $0x1b, %%xmm5, %%xmm5 \n" |
|
"movaps %%xmm0, %%xmm2 \n" |
|
"movaps %%xmm1, %%xmm3 \n" |
|
"mulps %%xmm4, %%xmm2 \n" // src0[len + i] * win[len + i] |
|
"mulps %%xmm5, %%xmm3 \n" // src1[j] * win[len + j] |
|
"mulps %%xmm4, %%xmm1 \n" // src0[len + i] * win[len + j] |
|
"mulps %%xmm5, %%xmm0 \n" // src1[j] * win[len + i] |
|
"addps %%xmm3, %%xmm2 \n" |
|
"subps %%xmm0, %%xmm1 \n" |
|
"shufps $0x1b, %%xmm2, %%xmm2 \n" |
|
"movaps %%xmm1, (%2, %0) \n" |
|
"movaps %%xmm2, (%2, %1) \n" |
|
"sub $16, %1 \n" |
|
"add $16, %0 \n" |
|
"jl 1b \n" |
|
: "+r"(i), "+r"(j) |
|
: "r"(dst + len), "r"(src0 + len), "r"(src1), "r"(win + len) |
|
); |
|
} |
|
#endif /* HAVE_6REGS && HAVE_INLINE_ASM */ |
|
|
|
av_cold void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp) |
|
{ |
|
int cpu_flags = av_get_cpu_flags(); |
|
|
|
#if HAVE_6REGS && HAVE_INLINE_ASM |
|
if (INLINE_AMD3DNOWEXT(cpu_flags)) { |
|
fdsp->vector_fmul_window = vector_fmul_window_3dnowext; |
|
} |
|
if (INLINE_SSE(cpu_flags)) { |
|
fdsp->vector_fmul_window = vector_fmul_window_sse; |
|
} |
|
#endif |
|
if (EXTERNAL_SSE(cpu_flags)) { |
|
fdsp->vector_fmul = ff_vector_fmul_sse; |
|
fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_sse; |
|
fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_sse; |
|
fdsp->vector_fmul_add = ff_vector_fmul_add_sse; |
|
fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_sse; |
|
fdsp->scalarproduct_float = ff_scalarproduct_float_sse; |
|
fdsp->butterflies_float = ff_butterflies_float_sse; |
|
} |
|
if (EXTERNAL_SSE2(cpu_flags)) { |
|
fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_sse2; |
|
} |
|
if (EXTERNAL_AVX(cpu_flags)) { |
|
fdsp->vector_fmul = ff_vector_fmul_avx; |
|
fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_avx; |
|
fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_avx; |
|
fdsp->vector_fmul_add = ff_vector_fmul_add_avx; |
|
fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_avx; |
|
} |
|
if (EXTERNAL_FMA3(cpu_flags)) { |
|
fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_fma3; |
|
fdsp->vector_fmul_add = ff_vector_fmul_add_fma3; |
|
} |
|
}
|
|
|