asrc_hilbert.c File Reference

#include "libavutil/opt.h"
#include "audio.h"
#include "avfilter.h"
#include "internal.h"
#include "window_func.h"

Go to the source code of this file.

Data Structures
struct	HilbertContext

Macros
#define	OFFSET(x)   offsetof(HilbertContext, x)
#define	FLAGS   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Functions
	AVFILTER_DEFINE_CLASS (hilbert)
static av_cold int	init (AVFilterContext *ctx)
static av_cold void	uninit (AVFilterContext *ctx)
static av_cold int	query_formats (AVFilterContext *ctx)
static av_cold int	config_props (AVFilterLink *outlink)
static int	request_frame (AVFilterLink *outlink)

Variables
static const AVOption	hilbert_options []
static const AVFilterPad	hilbert_outputs []
AVFilter	ff_asrc_hilbert

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(HilbertContext, x)

Definition at line 39 of file asrc_hilbert.c.

#define FLAGS   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 40 of file asrc_hilbert.c.

Function Documentation

AVFILTER_DEFINE_CLASS

(

hilbert

)

static av_cold int init ( AVFilterContext *  ctx )

static

Definition at line 76 of file asrc_hilbert.c.

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 88 of file asrc_hilbert.c.

static av_cold int query_formats ( AVFilterContext *  ctx )

static

Definition at line 95 of file asrc_hilbert.c.

static av_cold int config_props ( AVFilterLink *  outlink )

static

Definition at line 129 of file asrc_hilbert.c.

static int request_frame ( AVFilterLink *  outlink )

static

Definition at line 159 of file asrc_hilbert.c.

Variable Documentation

const AVOption hilbert_options[]

static

Definition at line 42 of file asrc_hilbert.c.

const AVFilterPad hilbert_outputs[]

static

Initial value:

= {
    {
        .name          = "default",
        .type          = AVMEDIA_TYPE_AUDIO,
        .request_frame = request_frame,
        .config_props  = config_props,
    },
    { NULL }
}

Definition at line 180 of file asrc_hilbert.c.

AVFilter ff_asrc_hilbert

Initial value:

= {
    .name          = "hilbert",
    .description   = NULL_IF_CONFIG_SMALL("Generate a Hilbert transform FIR coefficients."),
    .query_formats = query_formats,
    .init          = init,
    .uninit        = uninit,
    .priv_size     = sizeof(HilbertContext),
    .inputs        = NULL,
    .outputs       = hilbert_outputs,
    .priv_class    = &hilbert_class,
}

Definition at line 190 of file asrc_hilbert.c.