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avcodec/synth_filter: split off remaining code from dcadec files

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Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2016-01-24 23:52:19 -03:00
parent 5dc37a5d8a
commit 209f50e16b
11 changed files with 424 additions and 320 deletions
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3
libavcodec/aarch64/Makefile
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@ -1,4 +1,5 @@
OBJS-$(CONFIG_DCA_DECODER) += aarch64/dcadsp_init.o
OBJS-$(CONFIG_DCA_DECODER) += aarch64/dcadsp_init.o \
aarch64/synth_filter_init.o
OBJS-$(CONFIG_FFT) += aarch64/fft_init_aarch64.o
OBJS-$(CONFIG_FMTCONVERT) += aarch64/fmtconvert_init.o
OBJS-$(CONFIG_H264CHROMA) += aarch64/h264chroma_init_aarch64.o

21
libavcodec/aarch64/dcadsp_init.c
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@ -24,23 +24,10 @@
#include "libavutil/attributes.h"
#include "libavutil/internal.h"
#include "libavcodec/dcadsp.h"
#include "libavcodec/fft.h"
#include "asm-offsets.h"
#if HAVE_NEON || HAVE_VFP
AV_CHECK_OFFSET(FFTContext, imdct_half, IMDCT_HALF);
#endif
void ff_dca_lfe_fir0_neon(float *out, const float *in, const float *coefs);
void ff_dca_lfe_fir1_neon(float *out, const float *in, const float *coefs);
void ff_synth_filter_float_neon(FFTContext *imdct,
float *synth_buf_ptr, int *synth_buf_offset,
float synth_buf2[32], const float window[512],
float out[32], const float in[32],
float scale);
av_cold void ff_dcadsp_init_aarch64(DCADSPContext *s)
{
int cpu_flags = av_get_cpu_flags();
@ -50,11 +37,3 @@ av_cold void ff_dcadsp_init_aarch64(DCADSPContext *s)
s->lfe_fir[1] = ff_dca_lfe_fir1_neon;
}
}
av_cold void ff_synth_filter_init_aarch64(SynthFilterContext *s)
{
int cpu_flags = av_get_cpu_flags();
if (have_neon(cpu_flags))
s->synth_filter_float = ff_synth_filter_float_neon;
}

47
libavcodec/aarch64/synth_filter_init.c Normal file
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@ -0,0 +1,47 @@
/*
* Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
*
* 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/aarch64/cpu.h"
#include "libavutil/attributes.h"
#include "libavutil/internal.h"
#include "libavcodec/fft.h"
#include "libavcodec/synth_filter.h"
#include "asm-offsets.h"
#if HAVE_NEON || HAVE_VFP
AV_CHECK_OFFSET(FFTContext, imdct_half, IMDCT_HALF);
#endif
void ff_synth_filter_float_neon(FFTContext *imdct,
float *synth_buf_ptr, int *synth_buf_offset,
float synth_buf2[32], const float window[512],
float out[32], const float in[32],
float scale);
av_cold void ff_synth_filter_init_aarch64(SynthFilterContext *s)
{
int cpu_flags = av_get_cpu_flags();
if (have_neon(cpu_flags))
s->synth_filter_float = ff_synth_filter_float_neon;
}

3
libavcodec/arm/Makefile
View File

@ -36,7 +36,8 @@ OBJS-$(CONFIG_VP8DSP) += arm/vp8dsp_init_arm.o
# decoders/encoders
OBJS-$(CONFIG_AAC_DECODER) += arm/aacpsdsp_init_arm.o \
arm/sbrdsp_init_arm.o
OBJS-$(CONFIG_DCA_DECODER) += arm/dcadsp_init_arm.o
OBJS-$(CONFIG_DCA_DECODER) += arm/dcadsp_init_arm.o \
arm/synth_filter_init_arm.o
OBJS-$(CONFIG_HEVC_DECODER) += arm/hevcdsp_init_arm.o
OBJS-$(CONFIG_MLP_DECODER) += arm/mlpdsp_init_arm.o
OBJS-$(CONFIG_RV40_DECODER) += arm/rv40dsp_init_arm.o

22
libavcodec/arm/dcadsp_init_arm.c
View File

@ -37,18 +37,6 @@ void ff_dca_qmf_32_subbands_vfp(float samples_in[32][8], int sb_act,
const float window[512], float *samples_out,
float raXin[32], float scale);
void ff_synth_filter_float_vfp(FFTContext *imdct,
float *synth_buf_ptr, int *synth_buf_offset,
float synth_buf2[32], const float window[512],
float out[32], const float in[32],
float scale);
void ff_synth_filter_float_neon(FFTContext *imdct,
float *synth_buf_ptr, int *synth_buf_offset,
float synth_buf2[32], const float window[512],
float out[32], const float in[32],
float scale);
av_cold void ff_dcadsp_init_arm(DCADSPContext *s)
{
int cpu_flags = av_get_cpu_flags();
@ -63,13 +51,3 @@ av_cold void ff_dcadsp_init_arm(DCADSPContext *s)
s->lfe_fir[1] = ff_dca_lfe_fir1_neon;
}
}
av_cold void ff_synth_filter_init_arm(SynthFilterContext *s)
{
int cpu_flags = av_get_cpu_flags();
if (have_vfp_vm(cpu_flags))
s->synth_filter_float = ff_synth_filter_float_vfp;
if (have_neon(cpu_flags))
s->synth_filter_float = ff_synth_filter_float_neon;
}

49
libavcodec/arm/synth_filter_init_arm.c Normal file
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@ -0,0 +1,49 @@
/*
* Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
*
* 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/arm/cpu.h"
#include "libavutil/attributes.h"
#include "libavutil/internal.h"
#include "libavcodec/fft.h"
#include "libavcodec/synth_filter.h"
void ff_synth_filter_float_vfp(FFTContext *imdct,
float *synth_buf_ptr, int *synth_buf_offset,
float synth_buf2[32], const float window[512],
float out[32], const float in[32],
float scale);
void ff_synth_filter_float_neon(FFTContext *imdct,
float *synth_buf_ptr, int *synth_buf_offset,
float synth_buf2[32], const float window[512],
float out[32], const float in[32],
float scale);
av_cold void ff_synth_filter_init_arm(SynthFilterContext *s)
{
int cpu_flags = av_get_cpu_flags();
if (have_vfp_vm(cpu_flags))
s->synth_filter_float = ff_synth_filter_float_vfp;
if (have_neon(cpu_flags))
s->synth_filter_float = ff_synth_filter_float_neon;
}

6
libavcodec/x86/Makefile
View File

@ -44,7 +44,8 @@ OBJS-$(CONFIG_ADPCM_G722_ENCODER) += x86/g722dsp_init.o
OBJS-$(CONFIG_ALAC_DECODER) += x86/alacdsp_init.o
OBJS-$(CONFIG_APNG_DECODER) += x86/pngdsp_init.o
OBJS-$(CONFIG_CAVS_DECODER) += x86/cavsdsp.o
OBJS-$(CONFIG_DCA_DECODER) += x86/dcadsp_init.o
OBJS-$(CONFIG_DCA_DECODER) += x86/dcadsp_init.o \
x86/synth_filter_init.o
OBJS-$(CONFIG_DNXHD_ENCODER) += x86/dnxhdenc_init.o
OBJS-$(CONFIG_HEVC_DECODER) += x86/hevcdsp_init.o
OBJS-$(CONFIG_JPEG2000_DECODER) += x86/jpeg2000dsp_init.o
@ -132,7 +133,8 @@ YASM-OBJS-$(CONFIG_ADPCM_G722_DECODER) += x86/g722dsp.o
YASM-OBJS-$(CONFIG_ADPCM_G722_ENCODER) += x86/g722dsp.o
YASM-OBJS-$(CONFIG_ALAC_DECODER) += x86/alacdsp.o
YASM-OBJS-$(CONFIG_APNG_DECODER) += x86/pngdsp.o
YASM-OBJS-$(CONFIG_DCA_DECODER) += x86/dcadsp.o
YASM-OBJS-$(CONFIG_DCA_DECODER) += x86/dcadsp.o \
x86/synth_filter.o
YASM-OBJS-$(CONFIG_DIRAC_DECODER) += x86/diracdsp_mmx.o x86/diracdsp_yasm.o \
x86/dwt_yasm.o
YASM-OBJS-$(CONFIG_DNXHD_ENCODER) += x86/dnxhdenc.o

222
libavcodec/x86/dcadsp.asm
View File

@ -121,225 +121,3 @@ DCA_LFE_FIR 1
INIT_XMM fma3
DCA_LFE_FIR 0
%endif
%macro SETZERO 1
%if cpuflag(sse2) && notcpuflag(avx)
pxor %1, %1
%else
xorps %1, %1, %1
%endif
%endmacro
%macro SHUF 3
%if cpuflag(avx)
mova %3, [%2 - 16]
vperm2f128 %1, %3, %3, 1
vshufps %1, %1, %1, q0123
%elif cpuflag(sse2)
pshufd %1, [%2], q0123
%else
mova %1, [%2]
shufps %1, %1, q0123
%endif
%endmacro
%macro INNER_LOOP 1
; reading backwards: ptr1 = synth_buf + j + i; ptr2 = synth_buf + j - i
;~ a += window[i + j] * (-synth_buf[15 - i + j])
;~ b += window[i + j + 16] * (synth_buf[i + j])
SHUF m5, ptr2 + j + (15 - 3) * 4, m6
mova m6, [ptr1 + j]
%if ARCH_X86_64
SHUF m11, ptr2 + j + (15 - 3) * 4 - mmsize, m12
mova m12, [ptr1 + j + mmsize]
%endif
%if cpuflag(fma3)
fmaddps m2, m6, [win + %1 + j + 16 * 4], m2
fnmaddps m1, m5, [win + %1 + j], m1
%if ARCH_X86_64
fmaddps m8, m12, [win + %1 + j + mmsize + 16 * 4], m8
fnmaddps m7, m11, [win + %1 + j + mmsize], m7
%endif
%else ; non-FMA
mulps m6, m6, [win + %1 + j + 16 * 4]
mulps m5, m5, [win + %1 + j]
%if ARCH_X86_64
mulps m12, m12, [win + %1 + j + mmsize + 16 * 4]
mulps m11, m11, [win + %1 + j + mmsize]
%endif
addps m2, m2, m6
subps m1, m1, m5
%if ARCH_X86_64
addps m8, m8, m12
subps m7, m7, m11
%endif
%endif ; cpuflag(fma3)
;~ c += window[i + j + 32] * (synth_buf[16 + i + j])
;~ d += window[i + j + 48] * (synth_buf[31 - i + j])
SHUF m6, ptr2 + j + (31 - 3) * 4, m5
mova m5, [ptr1 + j + 16 * 4]
%if ARCH_X86_64
SHUF m12, ptr2 + j + (31 - 3) * 4 - mmsize, m11
mova m11, [ptr1 + j + mmsize + 16 * 4]
%endif
%if cpuflag(fma3)
fmaddps m3, m5, [win + %1 + j + 32 * 4], m3
fmaddps m4, m6, [win + %1 + j + 48 * 4], m4
%if ARCH_X86_64
fmaddps m9, m11, [win + %1 + j + mmsize + 32 * 4], m9
fmaddps m10, m12, [win + %1 + j + mmsize + 48 * 4], m10
%endif
%else ; non-FMA
mulps m5, m5, [win + %1 + j + 32 * 4]
mulps m6, m6, [win + %1 + j + 48 * 4]
%if ARCH_X86_64
mulps m11, m11, [win + %1 + j + mmsize + 32 * 4]
mulps m12, m12, [win + %1 + j + mmsize + 48 * 4]
%endif
addps m3, m3, m5
addps m4, m4, m6
%if ARCH_X86_64
addps m9, m9, m11
addps m10, m10, m12
%endif
%endif ; cpuflag(fma3)
sub j, 64 * 4
%endmacro
; void ff_synth_filter_inner_<opt>(float *synth_buf, float synth_buf2[32],
; const float window[512], float out[32],
; intptr_t offset, float scale)
%macro SYNTH_FILTER 0
cglobal synth_filter_inner, 0, 6 + 4 * ARCH_X86_64, 7 + 6 * ARCH_X86_64, \
synth_buf, synth_buf2, window, out, off, scale
%define scale m0
%if ARCH_X86_32 || WIN64
%if cpuflag(sse2) && notcpuflag(avx)
movd scale, scalem
SPLATD m0
%else
VBROADCASTSS m0, scalem
%endif
; Make sure offset is in a register and not on the stack
%define OFFQ r4q
%else
SPLATD xmm0
%if cpuflag(avx)
vinsertf128 m0, m0, xmm0, 1
%endif
%define OFFQ offq
%endif
; prepare inner counter limit 1
mov r5q, 480
sub r5q, offmp
and r5q, -64
shl r5q, 2
%if ARCH_X86_32 || notcpuflag(avx)
mov OFFQ, r5q
%define i r5q
mov i, 16 * 4 - (ARCH_X86_64 + 1) * mmsize ; main loop counter
%else
%define i 0
%define OFFQ r5q
%endif
%define buf2 synth_buf2q
%if ARCH_X86_32
mov buf2, synth_buf2mp
%endif
.mainloop:
; m1 = a m2 = b m3 = c m4 = d
SETZERO m3
SETZERO m4
mova m1, [buf2 + i]
mova m2, [buf2 + i + 16 * 4]
%if ARCH_X86_32
%define ptr1 r0q
%define ptr2 r1q
%define win r2q
%define j r3q
mov win, windowm
mov ptr1, synth_bufm
%if ARCH_X86_32 || notcpuflag(avx)
add win, i
add ptr1, i
%endif
%else ; ARCH_X86_64
%define ptr1 r6q
%define ptr2 r7q ; must be loaded
%define win r8q
%define j r9q
SETZERO m9
SETZERO m10
mova m7, [buf2 + i + mmsize]
mova m8, [buf2 + i + mmsize + 16 * 4]
lea win, [windowq + i]
lea ptr1, [synth_bufq + i]
%endif
mov ptr2, synth_bufmp
; prepare the inner loop counter
mov j, OFFQ
%if ARCH_X86_32 || notcpuflag(avx)
sub ptr2, i
%endif
.loop1:
INNER_LOOP 0
jge .loop1
mov j, 448 * 4
sub j, OFFQ
jz .end
sub ptr1, j
sub ptr2, j
add win, OFFQ ; now at j-64, so define OFFSET
sub j, 64 * 4
.loop2:
INNER_LOOP 64 * 4
jge .loop2
.end:
%if ARCH_X86_32
mov buf2, synth_buf2m ; needed for next iteration anyway
mov outq, outmp ; j, which will be set again during it
%endif
;~ out[i] = a * scale;
;~ out[i + 16] = b * scale;
mulps m1, m1, scale
mulps m2, m2, scale
%if ARCH_X86_64
mulps m7, m7, scale
mulps m8, m8, scale
%endif
;~ synth_buf2[i] = c;
;~ synth_buf2[i + 16] = d;
mova [buf2 + i + 0 * 4], m3
mova [buf2 + i + 16 * 4], m4
%if ARCH_X86_64
mova [buf2 + i + 0 * 4 + mmsize], m9
mova [buf2 + i + 16 * 4 + mmsize], m10
%endif
;~ out[i] = a;
;~ out[i + 16] = a;
mova [outq + i + 0 * 4], m1
mova [outq + i + 16 * 4], m2
%if ARCH_X86_64
mova [outq + i + 0 * 4 + mmsize], m7
mova [outq + i + 16 * 4 + mmsize], m8
%endif
%if ARCH_X86_32 || notcpuflag(avx)
sub i, (ARCH_X86_64 + 1) * mmsize
jge .mainloop
%endif
RET
%endmacro
%if ARCH_X86_32
INIT_XMM sse
SYNTH_FILTER
%endif
INIT_XMM sse2
SYNTH_FILTER
INIT_YMM avx
SYNTH_FILTER
INIT_YMM fma3
SYNTH_FILTER

51
libavcodec/x86/dcadsp_init.c
View File

@ -40,54 +40,3 @@ av_cold void ff_dcadsp_init_x86(DCADSPContext *s)
s->lfe_fir[0] = ff_dca_lfe_fir0_fma3;
}
}
#define SYNTH_FILTER_FUNC(opt) \
void ff_synth_filter_inner_##opt(float *synth_buf_ptr, float synth_buf2[32], \
const float window[512], \
float out[32], intptr_t offset, float scale); \
static void synth_filter_##opt(FFTContext *imdct, \
float *synth_buf_ptr, int *synth_buf_offset, \
float synth_buf2[32], const float window[512], \
float out[32], const float in[32], float scale) \
{ \
float *synth_buf= synth_buf_ptr + *synth_buf_offset; \
\
imdct->imdct_half(imdct, synth_buf, in); \
\
ff_synth_filter_inner_##opt(synth_buf, synth_buf2, window, \
out, *synth_buf_offset, scale); \
\
*synth_buf_offset = (*synth_buf_offset - 32) & 511; \
} \
#if HAVE_YASM
#if ARCH_X86_32
SYNTH_FILTER_FUNC(sse)
#endif
SYNTH_FILTER_FUNC(sse2)
SYNTH_FILTER_FUNC(avx)
SYNTH_FILTER_FUNC(fma3)
#endif /* HAVE_YASM */
av_cold void ff_synth_filter_init_x86(SynthFilterContext *s)
{
#if HAVE_YASM
int cpu_flags = av_get_cpu_flags();
#if ARCH_X86_32
if (EXTERNAL_SSE(cpu_flags)) {
s->synth_filter_float = synth_filter_sse;
}
#endif
if (EXTERNAL_SSE2(cpu_flags)) {
s->synth_filter_float = synth_filter_sse2;
}
if (EXTERNAL_AVX_FAST(cpu_flags)) {
s->synth_filter_float = synth_filter_avx;
}
if (EXTERNAL_FMA3(cpu_flags) && !(cpu_flags & AV_CPU_FLAG_AVXSLOW)) {
s->synth_filter_float = synth_filter_fma3;
}
#endif /* HAVE_YASM */
}

246
libavcodec/x86/synth_filter.asm Normal file
View File

@ -0,0 +1,246 @@
;******************************************************************************
;* SSE-optimized functions for the DCA decoder
;* Copyright (C) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com>
;*
;* 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/x86/x86util.asm"
SECTION .text
%macro SETZERO 1
%if cpuflag(sse2) && notcpuflag(avx)
pxor %1, %1
%else
xorps %1, %1, %1
%endif
%endmacro
%macro SHUF 3
%if cpuflag(avx)
mova %3, [%2 - 16]
vperm2f128 %1, %3, %3, 1
vshufps %1, %1, %1, q0123
%elif cpuflag(sse2)
pshufd %1, [%2], q0123
%else
mova %1, [%2]
shufps %1, %1, q0123
%endif
%endmacro
%macro INNER_LOOP 1
; reading backwards: ptr1 = synth_buf + j + i; ptr2 = synth_buf + j - i
;~ a += window[i + j] * (-synth_buf[15 - i + j])
;~ b += window[i + j + 16] * (synth_buf[i + j])
SHUF m5, ptr2 + j + (15 - 3) * 4, m6
mova m6, [ptr1 + j]
%if ARCH_X86_64
SHUF m11, ptr2 + j + (15 - 3) * 4 - mmsize, m12
mova m12, [ptr1 + j + mmsize]
%endif
%if cpuflag(fma3)
fmaddps m2, m6, [win + %1 + j + 16 * 4], m2
fnmaddps m1, m5, [win + %1 + j], m1
%if ARCH_X86_64
fmaddps m8, m12, [win + %1 + j + mmsize + 16 * 4], m8
fnmaddps m7, m11, [win + %1 + j + mmsize], m7
%endif
%else ; non-FMA
mulps m6, m6, [win + %1 + j + 16 * 4]
mulps m5, m5, [win + %1 + j]
%if ARCH_X86_64
mulps m12, m12, [win + %1 + j + mmsize + 16 * 4]
mulps m11, m11, [win + %1 + j + mmsize]
%endif
addps m2, m2, m6
subps m1, m1, m5
%if ARCH_X86_64
addps m8, m8, m12
subps m7, m7, m11
%endif
%endif ; cpuflag(fma3)
;~ c += window[i + j + 32] * (synth_buf[16 + i + j])
;~ d += window[i + j + 48] * (synth_buf[31 - i + j])
SHUF m6, ptr2 + j + (31 - 3) * 4, m5
mova m5, [ptr1 + j + 16 * 4]
%if ARCH_X86_64
SHUF m12, ptr2 + j + (31 - 3) * 4 - mmsize, m11
mova m11, [ptr1 + j + mmsize + 16 * 4]
%endif
%if cpuflag(fma3)
fmaddps m3, m5, [win + %1 + j + 32 * 4], m3
fmaddps m4, m6, [win + %1 + j + 48 * 4], m4
%if ARCH_X86_64
fmaddps m9, m11, [win + %1 + j + mmsize + 32 * 4], m9
fmaddps m10, m12, [win + %1 + j + mmsize + 48 * 4], m10
%endif
%else ; non-FMA
mulps m5, m5, [win + %1 + j + 32 * 4]
mulps m6, m6, [win + %1 + j + 48 * 4]
%if ARCH_X86_64
mulps m11, m11, [win + %1 + j + mmsize + 32 * 4]
mulps m12, m12, [win + %1 + j + mmsize + 48 * 4]
%endif
addps m3, m3, m5
addps m4, m4, m6
%if ARCH_X86_64
addps m9, m9, m11
addps m10, m10, m12
%endif
%endif ; cpuflag(fma3)
sub j, 64 * 4
%endmacro
; void ff_synth_filter_inner_<opt>(float *synth_buf, float synth_buf2[32],
; const float window[512], float out[32],
; intptr_t offset, float scale)
%macro SYNTH_FILTER 0
cglobal synth_filter_inner, 0, 6 + 4 * ARCH_X86_64, 7 + 6 * ARCH_X86_64, \
synth_buf, synth_buf2, window, out, off, scale
%define scale m0
%if ARCH_X86_32 || WIN64
%if cpuflag(sse2) && notcpuflag(avx)
movd scale, scalem
SPLATD m0
%else
VBROADCASTSS m0, scalem
%endif
; Make sure offset is in a register and not on the stack
%define OFFQ r4q
%else
SPLATD xmm0
%if cpuflag(avx)
vinsertf128 m0, m0, xmm0, 1
%endif
%define OFFQ offq
%endif
; prepare inner counter limit 1
mov r5q, 480
sub r5q, offmp
and r5q, -64
shl r5q, 2
%if ARCH_X86_32 || notcpuflag(avx)
mov OFFQ, r5q
%define i r5q
mov i, 16 * 4 - (ARCH_X86_64 + 1) * mmsize ; main loop counter
%else
%define i 0
%define OFFQ r5q
%endif
%define buf2 synth_buf2q
%if ARCH_X86_32
mov buf2, synth_buf2mp
%endif
.mainloop:
; m1 = a m2 = b m3 = c m4 = d
SETZERO m3
SETZERO m4
mova m1, [buf2 + i]
mova m2, [buf2 + i + 16 * 4]
%if ARCH_X86_32
%define ptr1 r0q
%define ptr2 r1q
%define win r2q
%define j r3q
mov win, windowm
mov ptr1, synth_bufm
%if ARCH_X86_32 || notcpuflag(avx)
add win, i
add ptr1, i
%endif
%else ; ARCH_X86_64
%define ptr1 r6q
%define ptr2 r7q ; must be loaded
%define win r8q
%define j r9q
SETZERO m9
SETZERO m10
mova m7, [buf2 + i + mmsize]
mova m8, [buf2 + i + mmsize + 16 * 4]
lea win, [windowq + i]
lea ptr1, [synth_bufq + i]
%endif
mov ptr2, synth_bufmp
; prepare the inner loop counter
mov j, OFFQ
%if ARCH_X86_32 || notcpuflag(avx)
sub ptr2, i
%endif
.loop1:
INNER_LOOP 0
jge .loop1
mov j, 448 * 4
sub j, OFFQ
jz .end
sub ptr1, j
sub ptr2, j
add win, OFFQ ; now at j-64, so define OFFSET
sub j, 64 * 4
.loop2:
INNER_LOOP 64 * 4
jge .loop2
.end:
%if ARCH_X86_32
mov buf2, synth_buf2m ; needed for next iteration anyway
mov outq, outmp ; j, which will be set again during it
%endif
;~ out[i] = a * scale;
;~ out[i + 16] = b * scale;
mulps m1, m1, scale
mulps m2, m2, scale
%if ARCH_X86_64
mulps m7, m7, scale
mulps m8, m8, scale
%endif
;~ synth_buf2[i] = c;
;~ synth_buf2[i + 16] = d;
mova [buf2 + i + 0 * 4], m3
mova [buf2 + i + 16 * 4], m4
%if ARCH_X86_64
mova [buf2 + i + 0 * 4 + mmsize], m9
mova [buf2 + i + 16 * 4 + mmsize], m10
%endif
;~ out[i] = a;
;~ out[i + 16] = a;
mova [outq + i + 0 * 4], m1
mova [outq + i + 16 * 4], m2
%if ARCH_X86_64
mova [outq + i + 0 * 4 + mmsize], m7
mova [outq + i + 16 * 4 + mmsize], m8
%endif
%if ARCH_X86_32 || notcpuflag(avx)
sub i, (ARCH_X86_64 + 1) * mmsize
jge .mainloop
%endif
RET
%endmacro
%if ARCH_X86_32
INIT_XMM sse
SYNTH_FILTER
%endif
INIT_XMM sse2
SYNTH_FILTER
INIT_YMM avx
SYNTH_FILTER
INIT_YMM fma3
SYNTH_FILTER

74
libavcodec/x86/synth_filter_init.c Normal file
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/*
* Copyright (c) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com>
*
* 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/cpu.h"
#include "libavcodec/synth_filter.h"
#define SYNTH_FILTER_FUNC(opt) \
void ff_synth_filter_inner_##opt(float *synth_buf_ptr, float synth_buf2[32], \
const float window[512], \
float out[32], intptr_t offset, float scale); \
static void synth_filter_##opt(FFTContext *imdct, \
float *synth_buf_ptr, int *synth_buf_offset, \
float synth_buf2[32], const float window[512], \
float out[32], const float in[32], float scale) \
{ \
float *synth_buf= synth_buf_ptr + *synth_buf_offset; \
\
imdct->imdct_half(imdct, synth_buf, in); \
\
ff_synth_filter_inner_##opt(synth_buf, synth_buf2, window, \
out, *synth_buf_offset, scale); \
\
*synth_buf_offset = (*synth_buf_offset - 32) & 511; \
} \
#if HAVE_YASM
#if ARCH_X86_32
SYNTH_FILTER_FUNC(sse)
#endif
SYNTH_FILTER_FUNC(sse2)
SYNTH_FILTER_FUNC(avx)
SYNTH_FILTER_FUNC(fma3)
#endif /* HAVE_YASM */
av_cold void ff_synth_filter_init_x86(SynthFilterContext *s)
{
#if HAVE_YASM
int cpu_flags = av_get_cpu_flags();
#if ARCH_X86_32
if (EXTERNAL_SSE(cpu_flags)) {
s->synth_filter_float = synth_filter_sse;
}
#endif
if (EXTERNAL_SSE2(cpu_flags)) {
s->synth_filter_float = synth_filter_sse2;
}
if (EXTERNAL_AVX_FAST(cpu_flags)) {
s->synth_filter_float = synth_filter_avx;
}
if (EXTERNAL_FMA3(cpu_flags) && !(cpu_flags & AV_CPU_FLAG_AVXSLOW)) {
s->synth_filter_float = synth_filter_fma3;
}
#endif /* HAVE_YASM */
}