mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
0aded9484d
This leaves fft.h with only the core FFT and MDCT definitions thus making it more managable. Signed-off-by: Mans Rullgard <mans@mansr.com>
67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
/*
|
|
* 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 "libavcodec/fft.h"
|
|
#include "libavcodec/rdft.h"
|
|
#include "libavcodec/synth_filter.h"
|
|
|
|
void ff_fft_permute_neon(FFTContext *s, FFTComplex *z);
|
|
void ff_fft_calc_neon(FFTContext *s, FFTComplex *z);
|
|
|
|
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);
|
|
|
|
void ff_rdft_calc_neon(struct RDFTContext *s, FFTSample *z);
|
|
|
|
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_fft_init_arm(FFTContext *s)
|
|
{
|
|
if (HAVE_NEON) {
|
|
s->fft_permute = ff_fft_permute_neon;
|
|
s->fft_calc = ff_fft_calc_neon;
|
|
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;
|
|
}
|
|
}
|
|
|
|
#if CONFIG_RDFT
|
|
av_cold void ff_rdft_init_arm(RDFTContext *s)
|
|
{
|
|
if (HAVE_NEON)
|
|
s->rdft_calc = ff_rdft_calc_neon;
|
|
}
|
|
#endif
|
|
|
|
#if CONFIG_DCA_DECODER
|
|
av_cold void ff_synth_filter_init_arm(SynthFilterContext *s)
|
|
{
|
|
if (HAVE_NEON)
|
|
s->synth_filter_float = ff_synth_filter_float_neon;
|
|
}
|
|
#endif
|