af_afir.c File Reference

An arbitrary audio FIR filter. More...

#include <float.h>
#include "libavutil/common.h"
#include "libavutil/float_dsp.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "libavutil/xga_font_data.h"
#include "libavcodec/avfft.h"
#include "audio.h"
#include "avfilter.h"
#include "filters.h"
#include "formats.h"
#include "internal.h"
#include "af_afir.h"

Macros
#define	AF   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define	VF   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define	OFFSET(x)   offsetof(AudioFIRContext, x)

Functions
void	ff_afir_init (AudioFIRDSPContext *dsp)
	AVFILTER_DEFINE_CLASS (afir)

Variables
AVFilter	ff_af_afir

Detailed Description

An arbitrary audio FIR filter.

Variable Documentation

ff_af_afir

AVFilter ff_af_afir

Initial value:

= {
    .name          = "afir",
    .description   = NULL_IF_CONFIG_SMALL("Apply Finite Impulse Response filter with supplied coefficients in 2nd stream."),
    .priv_size     = sizeof(AudioFIRContext),
    .priv_class    = &afir_class,
    .query_formats = query_formats,
    .init          = init,
    .activate      = activate,
    .uninit        = uninit,
    .inputs        = afir_inputs,
    .flags         = AVFILTER_FLAG_DYNAMIC_OUTPUTS |
                     AVFILTER_FLAG_SLICE_THREADS,
}