111 lines
2.6 KiB
C
111 lines
2.6 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/float_dsp.h"
|
|
#include "libavutil/frame.h"
|
|
#include "libavutil/rational.h"
|
|
#include "libavutil/tx.h"
|
|
#include "avfilter.h"
|
|
#include "af_afirdsp.h"
|
|
|
|
#define MAX_IR_STREAMS 32
|
|
|
|
typedef struct AudioFIRSegment {
|
|
int nb_partitions;
|
|
int part_size;
|
|
int block_size;
|
|
int fft_length;
|
|
int coeff_size;
|
|
int input_size;
|
|
int input_offset;
|
|
|
|
int *output_offset;
|
|
int *part_index;
|
|
|
|
AVFrame *sumin;
|
|
AVFrame *sumout;
|
|
AVFrame *blockout;
|
|
AVFrame *tempin;
|
|
AVFrame *tempout;
|
|
AVFrame *buffer;
|
|
AVFrame *coeff;
|
|
AVFrame *input;
|
|
AVFrame *output;
|
|
|
|
AVTXContext **ctx, **tx, **itx;
|
|
av_tx_fn ctx_fn, tx_fn, itx_fn;
|
|
} AudioFIRSegment;
|
|
|
|
typedef struct AudioFIRContext {
|
|
const AVClass *class;
|
|
|
|
float wet_gain;
|
|
float dry_gain;
|
|
float length;
|
|
int gtype;
|
|
float ir_norm;
|
|
float ir_link;
|
|
float ir_gain;
|
|
int ir_format;
|
|
int ir_load;
|
|
float max_ir_len;
|
|
int response;
|
|
int w, h;
|
|
AVRational frame_rate;
|
|
int ir_channel;
|
|
int minp;
|
|
int maxp;
|
|
int nb_irs;
|
|
int prev_selir;
|
|
int selir;
|
|
int precision;
|
|
int format;
|
|
|
|
int eof_coeffs[MAX_IR_STREAMS];
|
|
int have_coeffs[MAX_IR_STREAMS];
|
|
int nb_taps[MAX_IR_STREAMS];
|
|
int nb_segments[MAX_IR_STREAMS];
|
|
int max_offset[MAX_IR_STREAMS];
|
|
int nb_channels;
|
|
int one2many;
|
|
int prev_is_disabled;
|
|
int *loading;
|
|
double *ch_gain;
|
|
|
|
AudioFIRSegment seg[MAX_IR_STREAMS][1024];
|
|
|
|
AVFrame *in;
|
|
AVFrame *xfade[2];
|
|
AVFrame *fadein[2];
|
|
AVFrame *ir[MAX_IR_STREAMS];
|
|
AVFrame *norm_ir[MAX_IR_STREAMS];
|
|
int min_part_size;
|
|
int max_part_size;
|
|
int64_t pts;
|
|
|
|
AudioFIRDSPContext afirdsp;
|
|
AVFloatDSPContext *fdsp;
|
|
} AudioFIRContext;
|
|
|
|
#endif /* AVFILTER_AFIR_H */
|