mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
84 lines
2.0 KiB
C
84 lines
2.0 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2017 Paul B Mahol
|
||
|
|
*
|
||
|
|
* 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
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef AVFILTER_AFIR_H
|
||
|
|
#define AVFILTER_AFIR_H
|
||
|
|
|
||
|
|
#include "libavutil/audio_fifo.h"
|
||
|
|
#include "libavutil/common.h"
|
||
|
|
#include "libavutil/float_dsp.h"
|
||
|
|
#include "libavutil/opt.h"
|
||
|
|
#include "libavcodec/avfft.h"
|
||
|
|
|
||
|
|
#include "audio.h"
|
||
|
|
#include "avfilter.h"
|
||
|
|
#include "formats.h"
|
||
|
|
#include "internal.h"
|
||
|
|
|
||
|
|
#define MAX_IR_DURATION 30
|
||
|
|
|
||
|
|
typedef struct AudioFIRContext {
|
||
|
|
const AVClass *class;
|
||
|
|
|
||
|
|
float wet_gain;
|
||
|
|
float dry_gain;
|
||
|
|
float length;
|
||
|
|
int again;
|
||
|
|
|
||
|
|
float gain;
|
||
|
|
|
||
|
|
int eof_coeffs;
|
||
|
|
int have_coeffs;
|
||
|
|
int nb_coeffs;
|
||
|
|
int nb_taps;
|
||
|
|
int part_size;
|
||
|
|
int part_index;
|
||
|
|
int coeff_size;
|
||
|
|
int block_size;
|
||
|
|
int nb_partitions;
|
||
|
|
int nb_channels;
|
||
|
|
int ir_length;
|
||
|
|
int fft_length;
|
||
|
|
int nb_coef_channels;
|
||
|
|
int one2many;
|
||
|
|
int nb_samples;
|
||
|
|
int want_skip;
|
||
|
|
int need_padding;
|
||
|
|
|
||
|
|
RDFTContext **rdft, **irdft;
|
||
|
|
float **sum;
|
||
|
|
float **block;
|
||
|
|
FFTComplex **coeff;
|
||
|
|
|
||
|
|
AVAudioFifo *fifo[2];
|
||
|
|
AVFrame *in[2];
|
||
|
|
AVFrame *buffer;
|
||
|
|
int64_t pts;
|
||
|
|
int index;
|
||
|
|
|
||
|
|
AVFloatDSPContext *fdsp;
|
||
|
|
void (*fcmul_add)(float *sum, const float *t, const float *c,
|
||
|
|
ptrdiff_t len);
|
||
|
|
} AudioFIRContext;
|
||
|
|
|
||
|
|
void ff_afir_init_x86(AudioFIRContext *s);
|
||
|
|
|
||
|
|
#endif /* AVFILTER_AFIR_H */
|