mirror of https://github.com/FFmpeg/FFmpeg.git
parent
4d13bcceb9
commit
1a094af638
20 changed files with 463 additions and 243 deletions
@ -0,0 +1,39 @@ |
|||||||
|
/*
|
||||||
|
* 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/aarch64/cpu.h" |
||||||
|
|
||||||
|
#include "libavcodec/fft.h" |
||||||
|
|
||||||
|
void ff_imdct_calc_neon(FFTContext *s, FFTSample *output, const FFTSample *input); |
||||||
|
void ff_imdct_half_neon(FFTContext *s, FFTSample *output, const FFTSample *input); |
||||||
|
void ff_mdct_calc_neon(FFTContext *s, FFTSample *output, const FFTSample *input); |
||||||
|
|
||||||
|
av_cold void ff_mdct_init_aarch64(FFTContext *s) |
||||||
|
{ |
||||||
|
int cpu_flags = av_get_cpu_flags(); |
||||||
|
|
||||||
|
if (have_neon(cpu_flags)) { |
||||||
|
s->imdct_calc = ff_imdct_calc_neon; |
||||||
|
s->imdct_half = ff_imdct_half_neon; |
||||||
|
s->mdct_calc = ff_mdct_calc_neon; |
||||||
|
s->mdct_permutation = FF_MDCT_PERM_INTERLEAVE; |
||||||
|
} |
||||||
|
} |
@ -0,0 +1,40 @@ |
|||||||
|
/*
|
||||||
|
* 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/arm/cpu.h" |
||||||
|
|
||||||
|
#define FFT_FLOAT 0 |
||||||
|
#include "libavcodec/fft.h" |
||||||
|
|
||||||
|
void ff_mdct_fixed_calc_neon(FFTContext *s, FFTSample *o, const FFTSample *i); |
||||||
|
void ff_mdct_fixed_calcw_neon(FFTContext *s, FFTDouble *o, const FFTSample *i); |
||||||
|
|
||||||
|
av_cold void ff_mdct_fixed_init_arm(FFTContext *s) |
||||||
|
{ |
||||||
|
int cpu_flags = av_get_cpu_flags(); |
||||||
|
|
||||||
|
if (have_neon(cpu_flags)) { |
||||||
|
if (!s->inverse && s->nbits >= 3) { |
||||||
|
s->mdct_permutation = FF_MDCT_PERM_INTERLEAVE; |
||||||
|
s->mdct_calc = ff_mdct_fixed_calc_neon; |
||||||
|
s->mdct_calcw = ff_mdct_fixed_calcw_neon; |
||||||
|
} |
||||||
|
} |
||||||
|
} |
@ -0,0 +1,47 @@ |
|||||||
|
/*
|
||||||
|
* Copyright (c) 2009 Mans Rullgard <mans@mansr.com> |
||||||
|
* |
||||||
|
* 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/arm/cpu.h" |
||||||
|
|
||||||
|
#include "libavcodec/fft.h" |
||||||
|
|
||||||
|
void ff_imdct_half_vfp(FFTContext *s, FFTSample *output, const FFTSample *input); |
||||||
|
|
||||||
|
void ff_imdct_calc_neon(FFTContext *s, FFTSample *output, const FFTSample *input); |
||||||
|
void ff_imdct_half_neon(FFTContext *s, FFTSample *output, const FFTSample *input); |
||||||
|
void ff_mdct_calc_neon(FFTContext *s, FFTSample *output, const FFTSample *input); |
||||||
|
|
||||||
|
av_cold void ff_mdct_init_arm(FFTContext *s) |
||||||
|
{ |
||||||
|
int cpu_flags = av_get_cpu_flags(); |
||||||
|
|
||||||
|
if (have_vfp_vm(cpu_flags)) { |
||||||
|
s->imdct_half = ff_imdct_half_vfp; |
||||||
|
} |
||||||
|
|
||||||
|
if (have_neon(cpu_flags)) { |
||||||
|
s->imdct_calc = ff_imdct_calc_neon; |
||||||
|
s->imdct_half = ff_imdct_half_neon; |
||||||
|
s->mdct_calc = ff_mdct_calc_neon; |
||||||
|
s->mdct_permutation = FF_MDCT_PERM_INTERLEAVE; |
||||||
|
} |
||||||
|
} |
@ -0,0 +1,154 @@ |
|||||||
|
/*
|
||||||
|
* FFT/IFFT transforms |
||||||
|
* AltiVec-enabled |
||||||
|
* Copyright (c) 2009 Loren Merritt |
||||||
|
* |
||||||
|
* 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 "config.h" |
||||||
|
#include "libavutil/cpu.h" |
||||||
|
#include "libavutil/ppc/cpu.h" |
||||||
|
#include "libavutil/ppc/types_altivec.h" |
||||||
|
#include "libavutil/ppc/util_altivec.h" |
||||||
|
#include "libavcodec/fft.h" |
||||||
|
|
||||||
|
/**
|
||||||
|
* Do a complex FFT with the parameters defined in ff_fft_init(). |
||||||
|
* The input data must be permuted before with s->revtab table. |
||||||
|
* No 1.0 / sqrt(n) normalization is done. |
||||||
|
* AltiVec-enabled: |
||||||
|
* This code assumes that the 'z' pointer is 16 bytes-aligned. |
||||||
|
* It also assumes all FFTComplex are 8 bytes-aligned pairs of floats. |
||||||
|
*/ |
||||||
|
|
||||||
|
void ff_fft_calc_altivec(FFTContext *s, FFTComplex *z); |
||||||
|
|
||||||
|
#if HAVE_GNU_AS && HAVE_ALTIVEC && HAVE_BIGENDIAN |
||||||
|
static void imdct_half_altivec(FFTContext *s, FFTSample *output, const FFTSample *input) |
||||||
|
{ |
||||||
|
int j, k; |
||||||
|
int n = 1 << s->mdct_bits; |
||||||
|
int n4 = n >> 2; |
||||||
|
int n8 = n >> 3; |
||||||
|
int n32 = n >> 5; |
||||||
|
const uint16_t *revtabj = s->revtab; |
||||||
|
const uint16_t *revtabk = s->revtab+n4; |
||||||
|
const vec_f *tcos = (const vec_f*)(s->tcos+n8); |
||||||
|
const vec_f *tsin = (const vec_f*)(s->tsin+n8); |
||||||
|
const vec_f *pin = (const vec_f*)(input+n4); |
||||||
|
vec_f *pout = (vec_f*)(output+n4); |
||||||
|
|
||||||
|
/* pre rotation */ |
||||||
|
k = n32-1; |
||||||
|
do { |
||||||
|
vec_f cos,sin,cos0,sin0,cos1,sin1,re,im,r0,i0,r1,i1,a,b,c,d; |
||||||
|
#define CMULA(p,o0,o1,o2,o3)\ |
||||||
|
a = pin[ k*2+p]; /* { z[k].re, z[k].im, z[k+1].re, z[k+1].im } */\
|
||||||
|
b = pin[-k*2-p-1]; /* { z[-k-2].re, z[-k-2].im, z[-k-1].re, z[-k-1].im } */\
|
||||||
|
re = vec_perm(a, b, vcprm(0,2,s0,s2)); /* { z[k].re, z[k+1].re, z[-k-2].re, z[-k-1].re } */\
|
||||||
|
im = vec_perm(a, b, vcprm(s3,s1,3,1)); /* { z[-k-1].im, z[-k-2].im, z[k+1].im, z[k].im } */\
|
||||||
|
cos = vec_perm(cos0, cos1, vcprm(o0,o1,s##o2,s##o3)); /* { cos[k], cos[k+1], cos[-k-2], cos[-k-1] } */\
|
||||||
|
sin = vec_perm(sin0, sin1, vcprm(o0,o1,s##o2,s##o3));\
|
||||||
|
r##p = im*cos - re*sin;\
|
||||||
|
i##p = re*cos + im*sin; |
||||||
|
#define STORE2(v,dst)\ |
||||||
|
j = dst;\
|
||||||
|
vec_ste(v, 0, output+j*2);\
|
||||||
|
vec_ste(v, 4, output+j*2); |
||||||
|
#define STORE8(p)\ |
||||||
|
a = vec_perm(r##p, i##p, vcprm(0,s0,0,s0));\
|
||||||
|
b = vec_perm(r##p, i##p, vcprm(1,s1,1,s1));\
|
||||||
|
c = vec_perm(r##p, i##p, vcprm(2,s2,2,s2));\
|
||||||
|
d = vec_perm(r##p, i##p, vcprm(3,s3,3,s3));\
|
||||||
|
STORE2(a, revtabk[ p*2-4]);\
|
||||||
|
STORE2(b, revtabk[ p*2-3]);\
|
||||||
|
STORE2(c, revtabj[-p*2+2]);\
|
||||||
|
STORE2(d, revtabj[-p*2+3]); |
||||||
|
|
||||||
|
cos0 = tcos[k]; |
||||||
|
sin0 = tsin[k]; |
||||||
|
cos1 = tcos[-k-1]; |
||||||
|
sin1 = tsin[-k-1]; |
||||||
|
CMULA(0, 0,1,2,3); |
||||||
|
CMULA(1, 2,3,0,1); |
||||||
|
STORE8(0); |
||||||
|
STORE8(1); |
||||||
|
revtabj += 4; |
||||||
|
revtabk -= 4; |
||||||
|
k--; |
||||||
|
} while(k >= 0); |
||||||
|
|
||||||
|
ff_fft_calc_altivec(s, (FFTComplex*)output); |
||||||
|
|
||||||
|
/* post rotation + reordering */ |
||||||
|
j = -n32; |
||||||
|
k = n32-1; |
||||||
|
do { |
||||||
|
vec_f cos,sin,re,im,a,b,c,d; |
||||||
|
#define CMULB(d0,d1,o)\ |
||||||
|
re = pout[o*2];\
|
||||||
|
im = pout[o*2+1];\
|
||||||
|
cos = tcos[o];\
|
||||||
|
sin = tsin[o];\
|
||||||
|
d0 = im*sin - re*cos;\
|
||||||
|
d1 = re*sin + im*cos; |
||||||
|
|
||||||
|
CMULB(a,b,j); |
||||||
|
CMULB(c,d,k); |
||||||
|
pout[2*j] = vec_perm(a, d, vcprm(0,s3,1,s2)); |
||||||
|
pout[2*j+1] = vec_perm(a, d, vcprm(2,s1,3,s0)); |
||||||
|
pout[2*k] = vec_perm(c, b, vcprm(0,s3,1,s2)); |
||||||
|
pout[2*k+1] = vec_perm(c, b, vcprm(2,s1,3,s0)); |
||||||
|
j++; |
||||||
|
k--; |
||||||
|
} while(k >= 0); |
||||||
|
} |
||||||
|
|
||||||
|
static void imdct_calc_altivec(FFTContext *s, FFTSample *output, const FFTSample *input) |
||||||
|
{ |
||||||
|
int k; |
||||||
|
int n = 1 << s->mdct_bits; |
||||||
|
int n4 = n >> 2; |
||||||
|
int n16 = n >> 4; |
||||||
|
vec_u32 sign = {1U<<31,1U<<31,1U<<31,1U<<31}; |
||||||
|
vec_u32 *p0 = (vec_u32*)(output+n4); |
||||||
|
vec_u32 *p1 = (vec_u32*)(output+n4*3); |
||||||
|
|
||||||
|
imdct_half_altivec(s, output + n4, input); |
||||||
|
|
||||||
|
for (k = 0; k < n16; k++) { |
||||||
|
vec_u32 a = p0[k] ^ sign; |
||||||
|
vec_u32 b = p1[-k-1]; |
||||||
|
p0[-k-1] = vec_perm(a, a, vcprm(3,2,1,0)); |
||||||
|
p1[k] = vec_perm(b, b, vcprm(3,2,1,0)); |
||||||
|
} |
||||||
|
} |
||||||
|
#endif /* HAVE_GNU_AS && HAVE_ALTIVEC && HAVE_BIGENDIAN */ |
||||||
|
|
||||||
|
av_cold void ff_mdct_init_ppc(FFTContext *s) |
||||||
|
{ |
||||||
|
#if HAVE_GNU_AS && HAVE_ALTIVEC && HAVE_BIGENDIAN |
||||||
|
if (!PPC_ALTIVEC(av_get_cpu_flags())) |
||||||
|
return; |
||||||
|
|
||||||
|
if (s->mdct_bits >= 5) { |
||||||
|
s->imdct_calc = imdct_calc_altivec; |
||||||
|
s->imdct_half = imdct_half_altivec; |
||||||
|
} |
||||||
|
#endif /* HAVE_GNU_AS && HAVE_ALTIVEC && HAVE_BIGENDIAN */ |
||||||
|
} |
@ -0,0 +1,32 @@ |
|||||||
|
/*
|
||||||
|
* 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 |
||||||
|
*/ |
||||||
|
|
||||||
|
#ifndef AVCODEC_X86_MDCT_H |
||||||
|
#define AVCODEC_X86_MDCT_H |
||||||
|
|
||||||
|
#include "libavcodec/fft.h" |
||||||
|
|
||||||
|
void ff_imdct_calc_3dnow(FFTContext *s, FFTSample *output, const FFTSample *input); |
||||||
|
void ff_imdct_half_3dnow(FFTContext *s, FFTSample *output, const FFTSample *input); |
||||||
|
void ff_imdct_calc_3dnowext(FFTContext *s, FFTSample *output, const FFTSample *input); |
||||||
|
void ff_imdct_half_3dnowext(FFTContext *s, FFTSample *output, const FFTSample *input); |
||||||
|
void ff_imdct_calc_sse(FFTContext *s, FFTSample *output, const FFTSample *input); |
||||||
|
void ff_imdct_half_sse(FFTContext *s, FFTSample *output, const FFTSample *input); |
||||||
|
void ff_imdct_half_avx(FFTContext *s, FFTSample *output, const FFTSample *input); |
||||||
|
|
||||||
|
#endif /* AVCODEC_X86_MDCT_H */ |
@ -0,0 +1,51 @@ |
|||||||
|
/*
|
||||||
|
* 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 "config.h" |
||||||
|
|
||||||
|
#include "libavutil/attributes.h" |
||||||
|
#include "libavutil/cpu.h" |
||||||
|
#include "libavutil/x86/cpu.h" |
||||||
|
|
||||||
|
#include "mdct.h" |
||||||
|
|
||||||
|
av_cold void ff_mdct_init_x86(FFTContext *s) |
||||||
|
{ |
||||||
|
int cpu_flags = av_get_cpu_flags(); |
||||||
|
|
||||||
|
#if ARCH_X86_32 |
||||||
|
if (EXTERNAL_AMD3DNOW(cpu_flags)) { |
||||||
|
s->imdct_calc = ff_imdct_calc_3dnow; |
||||||
|
s->imdct_half = ff_imdct_half_3dnow; |
||||||
|
} |
||||||
|
|
||||||
|
if (EXTERNAL_AMD3DNOWEXT(cpu_flags)) { |
||||||
|
s->imdct_calc = ff_imdct_calc_3dnowext; |
||||||
|
s->imdct_half = ff_imdct_half_3dnowext; |
||||||
|
} |
||||||
|
#endif /* ARCH_X86_32 */ |
||||||
|
|
||||||
|
if (EXTERNAL_SSE(cpu_flags)) { |
||||||
|
s->imdct_calc = ff_imdct_calc_sse; |
||||||
|
s->imdct_half = ff_imdct_half_sse; |
||||||
|
} |
||||||
|
|
||||||
|
if (EXTERNAL_AVX_FAST(cpu_flags) && s->nbits >= 5) { |
||||||
|
s->imdct_half = ff_imdct_half_avx; |
||||||
|
} |
||||||
|
} |
Loading…
Reference in new issue