FFmpeg
4.4.6
|
#include "libavutil/channel_layout.h"
#include "libavutil/ffmath.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "audio.h"
#include "formats.h"
Go to the source code of this file.
Data Structures | |
struct | AFreqShift |
struct | ThreadData |
Used for passing data between threads. More... | |
Macros | |
#define | NB_COEFS 16 |
#define | PFILTER(name, type, sin, cos, cc) |
#define | FFILTER(name, type, sin, cos, fmod, cc) |
#define | OFFSET(x) offsetof(AFreqShift, x) |
#define | FLAGS AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM |
Functions | |
static int | query_formats (AVFilterContext *ctx) |
static void | compute_transition_param (double *K, double *Q, double transition) |
static double | ipowp (double x, int64_t n) |
static double | compute_acc_num (double q, int order, int c) |
static double | compute_acc_den (double q, int order, int c) |
static double | compute_coef (int index, double k, double q, int order) |
static void | compute_coefs (double *coef_arrd, float *coef_arrf, int nbr_coefs, double transition) |
static int | config_input (AVFilterLink *inlink) |
static int | filter_channels (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) |
static int | filter_frame (AVFilterLink *inlink, AVFrame *in) |
static av_cold void | uninit (AVFilterContext *ctx) |
AVFILTER_DEFINE_CLASS (afreqshift) | |
AVFILTER_DEFINE_CLASS (aphaseshift) | |
Variables | |
static const AVOption | afreqshift_options [] |
static const AVFilterPad | inputs [] |
static const AVFilterPad | outputs [] |
AVFilter | ff_af_afreqshift |
static const AVOption | aphaseshift_options [] |
AVFilter | ff_af_aphaseshift |
#define NB_COEFS 16 |
Definition at line 29 of file af_afreqshift.c.
Definition at line 80 of file af_afreqshift.c.
Definition at line 129 of file af_afreqshift.c.
#define OFFSET | ( | x | ) | offsetof(AFreqShift, x) |
Definition at line 364 of file af_afreqshift.c.
Definition at line 365 of file af_afreqshift.c.
|
static |
Definition at line 50 of file af_afreqshift.c.
|
static |
Definition at line 179 of file af_afreqshift.c.
Referenced by compute_coefs().
|
static |
Definition at line 195 of file af_afreqshift.c.
Referenced by compute_acc_den(), and compute_acc_num().
Definition at line 209 of file af_afreqshift.c.
Referenced by compute_coef().
Definition at line 228 of file af_afreqshift.c.
Referenced by compute_coef().
Definition at line 247 of file af_afreqshift.c.
Referenced by compute_coefs().
|
static |
Definition at line 261 of file af_afreqshift.c.
Referenced by config_input().
|
static |
Definition at line 276 of file af_afreqshift.c.
|
static |
Definition at line 309 of file af_afreqshift.c.
Referenced by filter_frame().
|
static |
Definition at line 324 of file af_afreqshift.c.
|
static |
Definition at line 354 of file af_afreqshift.c.
AVFILTER_DEFINE_CLASS | ( | afreqshift | ) |
AVFILTER_DEFINE_CLASS | ( | aphaseshift | ) |
|
static |
Definition at line 367 of file af_afreqshift.c.
|
static |
Definition at line 375 of file af_afreqshift.c.
|
static |
Definition at line 385 of file af_afreqshift.c.
AVFilter ff_af_afreqshift |
Definition at line 393 of file af_afreqshift.c.
|
static |
Definition at line 407 of file af_afreqshift.c.
AVFilter ff_af_aphaseshift |
Definition at line 415 of file af_afreqshift.c.