mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-21 23:10:13 +00:00
54 lines
2.0 KiB
C
54 lines
2.0 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_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_dca_lfe_fir32_vfp(float *out, const float *in, const float *coefs);
|
|
void ff_dca_lfe_fir64_vfp(float *out, const float *in, const float *coefs);
|
|
|
|
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);
|
|
|
|
av_cold void ff_dcadsp_init_arm(DCADSPContext *s)
|
|
{
|
|
int cpu_flags = av_get_cpu_flags();
|
|
|
|
if (have_vfp_vm(cpu_flags)) {
|
|
s->lfe_fir[0] = ff_dca_lfe_fir32_vfp;
|
|
s->lfe_fir[1] = ff_dca_lfe_fir64_vfp;
|
|
s->qmf_32_subbands = ff_dca_qmf_32_subbands_vfp;
|
|
}
|
|
if (have_neon(cpu_flags)) {
|
|
s->lfe_fir[0] = ff_dca_lfe_fir0_neon;
|
|
s->lfe_fir[1] = ff_dca_lfe_fir1_neon;
|
|
}
|
|
}
|