FFmpeg
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#include "libavutil/audio_fifo.h"
#include "libavutil/avstring.h"
#include "libavfilter/internal.h"
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "libavcodec/avfft.h"
#include "libavutil/eval.h"
#include "audio.h"
#include "filters.h"
#include "window_func.h"
Go to the source code of this file.
Data Structures | |
struct | AFFTFiltContext |
Macros | |
#define | OFFSET(x) offsetof(AFFTFiltContext, x) |
#define | A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM |
Enumerations | |
enum | { VAR_SAMPLE_RATE, VAR_BIN, VAR_NBBINS, VAR_CHANNEL, VAR_CHANNELS, VAR_PTS, VAR_REAL, VAR_IMAG, VAR_VARS_NB } |
Functions | |
AVFILTER_DEFINE_CLASS (afftfilt) | |
static double | getreal (void *priv, double x, double ch) |
static double | getimag (void *priv, double x, double ch) |
static double | realf (void *priv, double x, double ch) |
static double | imagf (void *priv, double x, double ch) |
static int | config_input (AVFilterLink *inlink) |
static int | filter_frame (AVFilterLink *inlink) |
static int | activate (AVFilterContext *ctx) |
static int | query_formats (AVFilterContext *ctx) |
static av_cold void | uninit (AVFilterContext *ctx) |
Variables | |
static const char *const | var_names [] = { "sr", "b", "nb", "ch", "chs", "pts", "re", "im", NULL } |
static const AVOption | afftfilt_options [] |
static const char *const | func2_names [] = { "real", "imag", NULL } |
double(* | func2 [])(void *, double, double) = { realf, imagf, NULL } |
static const AVFilterPad | inputs [] |
static const AVFilterPad | outputs [] |
AVFilter | ff_af_afftfilt |
#define OFFSET | ( | x | ) | offsetof(AFFTFiltContext, x) |
Definition at line 59 of file af_afftfilt.c.
Definition at line 60 of file af_afftfilt.c.
anonymous enum |
Enumerator | |
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VAR_SAMPLE_RATE | |
VAR_BIN | |
VAR_NBBINS | |
VAR_CHANNEL | |
VAR_CHANNELS | |
VAR_PTS | |
VAR_REAL | |
VAR_IMAG | |
VAR_VARS_NB |
Definition at line 57 of file af_afftfilt.c.
AVFILTER_DEFINE_CLASS | ( | afftfilt | ) |
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inlinestatic |
Definition at line 94 of file af_afftfilt.c.
Referenced by realf().
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inlinestatic |
Definition at line 105 of file af_afftfilt.c.
Referenced by imagf().
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Definition at line 116 of file af_afftfilt.c.
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Definition at line 117 of file af_afftfilt.c.
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Definition at line 122 of file af_afftfilt.c.
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Definition at line 227 of file af_afftfilt.c.
Referenced by activate().
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Definition at line 338 of file af_afftfilt.c.
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Definition at line 395 of file af_afftfilt.c.
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Definition at line 425 of file af_afftfilt.c.
Definition at line 56 of file af_afftfilt.c.
Referenced by config_input().
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Definition at line 62 of file af_afftfilt.c.
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Definition at line 119 of file af_afftfilt.c.
Referenced by av_expr_parse(), av_expr_parse_and_eval(), config_input(), geq_init(), and initialize().
Definition at line 120 of file af_afftfilt.c.
Referenced by config_input(), ff_slice_thread_execute_with_mainfunc(), geq_init(), initialize(), and thread_execute2().
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Definition at line 455 of file af_afftfilt.c.
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Definition at line 464 of file af_afftfilt.c.
AVFilter ff_af_afftfilt |
Definition at line 472 of file af_afftfilt.c.