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FFmpeg/libavcodec/arm/dcadsp_init_arm.c
Christophe Gisquet 45854df9a5 dcadsp: split lfe_dir cases
The x86 runs short on registers because numerous elements are not static.
In addition, splitting them allows more optimized code, at least for x86.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-02-08 02:04:12 +01:00

98 lines
3.6 KiB
C

/*
* 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 "libavcodec/dcadsp.h"
void ff_dca_lfe_fir_vfp(float *out, const float *in, const float *coefs,
int decifactor, float scale);
void ff_dca_qmf_32_subbands_vfp(float samples_in[32][8], int sb_act,
SynthFilterContext *synth, FFTContext *imdct,
float synth_buf_ptr[512],
int *synth_buf_offset, float synth_buf2[32],
const float window[512], float *samples_out,
float raXin[32], float scale);
void ff_dca_lfe_fir_neon(float *out, const float *in, const float *coefs,
int decifactor, 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);
static void lfe_fir0_vfp(float *out, const float *in, const float *coefs,
float scale)
{
ff_dca_lfe_fir_vfp(out, in, coefs, 32, scale);
}
static void lfe_fir1_vfp(float *out, const float *in, const float *coefs,
float scale)
{
ff_dca_lfe_fir_vfp(out, in, coefs, 64, scale);
}
static void lfe_fir0_neon(float *out, const float *in, const float *coefs,
float scale)
{
ff_dca_lfe_fir_neon(out, in, coefs, 32, scale);
}
static void lfe_fir1_neon(float *out, const float *in, const float *coefs,
float scale)
{
ff_dca_lfe_fir_neon(out, in, coefs, 64, scale);
}
av_cold void ff_dcadsp_init_arm(DCADSPContext *s)
{
int cpu_flags = av_get_cpu_flags();
if (have_vfp(cpu_flags) && !have_vfpv3(cpu_flags)) {
s->lfe_fir[0] = lfe_fir0_vfp;
s->lfe_fir[1] = lfe_fir1_vfp;
s->qmf_32_subbands = ff_dca_qmf_32_subbands_vfp;
}
if (have_neon(cpu_flags)) {
s->lfe_fir[0] = lfe_fir0_neon;
s->lfe_fir[1] = lfe_fir1_neon;
}
}
av_cold void ff_synth_filter_init_arm(SynthFilterContext *s)
{
int cpu_flags = av_get_cpu_flags();
if (have_vfp(cpu_flags) && !have_vfpv3(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;
}