FFmpeg
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#include "libavutil/avassert.h"
#include "libavutil/ffmath.h"
#include "libavutil/opt.h"
#include "audio.h"
#include "avfilter.h"
#include "internal.h"
Go to the source code of this file.
Data Structures | |
struct | ChanCache |
struct | BiquadsContext |
struct | ThreadData |
Used for passing data between threads. More... | |
Macros | |
#define | BIQUAD_FILTER(name, type, min, max, need_clipping) |
#define | OFFSET(x) offsetof(BiquadsContext, x) |
#define | FLAGS AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM |
#define | AF AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM |
#define | DEFINE_BIQUAD_FILTER(name_, description_) |
Enumerations | |
enum | FilterType { BUTTERWORTH, CHEBYSHEV1, CHEBYSHEV2, NB_TYPES, biquad, equalizer, bass, treble, bandpass, bandreject, allpass, highpass, lowpass, lowshelf, highshelf, WEAK, STRONG, NB_FILTER, LOWPASS, FLAT, AFLAT, CHROMA, COLOR, ACOLOR, XFLAT, YFLAT, NB_FILTERS } |
enum | WidthType { NONE, HERTZ, OCTAVE, QFACTOR, SLOPE, KHERTZ, NB_WTYPE } |
Functions | |
static av_cold int | init (AVFilterContext *ctx) |
static int | query_formats (AVFilterContext *ctx) |
static int | config_filter (AVFilterLink *outlink, int reset) |
static int | config_output (AVFilterLink *outlink) |
static int | filter_channel (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) |
static int | filter_frame (AVFilterLink *inlink, AVFrame *buf) |
static int | process_command (AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags) |
static av_cold void | uninit (AVFilterContext *ctx) |
Variables | |
static const AVFilterPad | inputs [] |
static const AVFilterPad | outputs [] |
Definition at line 178 of file af_biquads.c.
#define OFFSET | ( | x | ) | offsetof(BiquadsContext, x) |
Definition at line 564 of file af_biquads.c.
Definition at line 565 of file af_biquads.c.
Definition at line 566 of file af_biquads.c.
#define DEFINE_BIQUAD_FILTER | ( | name_, | |
description_ | |||
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Definition at line 568 of file af_biquads.c.
enum FilterType |
Definition at line 72 of file af_biquads.c.
enum WidthType |
Enumerator | |
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NONE | |
HERTZ | |
OCTAVE | |
QFACTOR | |
SLOPE | |
KHERTZ | |
NB_WTYPE |
Definition at line 86 of file af_biquads.c.
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Definition at line 130 of file af_biquads.c.
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Definition at line 145 of file af_biquads.c.
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Definition at line 261 of file af_biquads.c.
Referenced by config_output(), and process_command().
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Definition at line 453 of file af_biquads.c.
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Definition at line 462 of file af_biquads.c.
Referenced by filter_frame().
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Definition at line 489 of file af_biquads.c.
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Definition at line 526 of file af_biquads.c.
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Definition at line 539 of file af_biquads.c.
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Definition at line 546 of file af_biquads.c.
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Definition at line 555 of file af_biquads.c.