af_aformat.c File Reference

format audio filter More...

#include "libavutil/avstring.h"
#include "libavutil/channel_layout.h"
#include "libavutil/common.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "audio.h"
#include "avfilter.h"
#include "filters.h"
#include "formats.h"

Go to the source code of this file.

Data Structures
struct	AFormatContext

Macros
#define	OFFSET(x)
#define	A   AV_OPT_FLAG_AUDIO_PARAM
#define	F   AV_OPT_FLAG_FILTERING_PARAM

Functions
	AVFILTER_DEFINE_CLASS (aformat)
static av_cold int	init (AVFilterContext *ctx)
static int	query_formats (const AVFilterContext *ctx, AVFilterFormatsConfig **cfg_in, AVFilterFormatsConfig **cfg_out)

Variables
static const AVOptionArrayDef	array_def = { .sep = '|' }
static const AVOption	aformat_options []
const FFFilter	ff_af_aformat

Detailed Description

format audio filter

Definition in file af_aformat.c.

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(AFormatContext, x)

Definition at line 52 of file af_aformat.c.

A

#define A   AV_OPT_FLAG_AUDIO_PARAM

Definition at line 53 of file af_aformat.c.

F

#define F   AV_OPT_FLAG_FILTERING_PARAM

Definition at line 54 of file af_aformat.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

aformat

)

init()

static av_cold int init ( AVFilterContext * ctx )

static

Definition at line 73 of file af_aformat.c.

query_formats()

static int query_formats ( const AVFilterContext * ctx, AVFilterFormatsConfig ** cfg_in, AVFilterFormatsConfig ** cfg_out )

static

Definition at line 107 of file af_aformat.c.

Variable Documentation

array_def

const AVOptionArrayDef array_def = { .sep = '|' }

static

Definition at line 50 of file af_aformat.c.

aformat_options

const AVOption aformat_options[]

static

Initial value:

= {
    { "sample_fmts",     "A '|'-separated list of sample formats.",  OFFSET(formats),
        AV_OPT_TYPE_SAMPLE_FMT | AV_OPT_TYPE_FLAG_ARRAY, .default_val.arr = &array_def, .flags = A|F },
    { "f",               "A '|'-separated list of sample formats.",  OFFSET(formats),
        AV_OPT_TYPE_SAMPLE_FMT | AV_OPT_TYPE_FLAG_ARRAY, .default_val.arr = &array_def, .flags = A|F },
    { "sample_rates",    "A '|'-separated list of sample rates.",    OFFSET(sample_rates),
        AV_OPT_TYPE_INT | AV_OPT_TYPE_FLAG_ARRAY, .default_val.arr = &array_def, .min = 1, .max = INT_MAX, .flags = A|F },
    { "r",               "A '|'-separated list of sample rates.",    OFFSET(sample_rates),
        AV_OPT_TYPE_INT | AV_OPT_TYPE_FLAG_ARRAY, .default_val.arr = &array_def, .min = 1, .max = INT_MAX, .flags = A|F },
    { "channel_layouts", "A '|'-separated list of channel layouts.", OFFSET(channel_layouts),
        AV_OPT_TYPE_CHLAYOUT | AV_OPT_TYPE_FLAG_ARRAY, .default_val.arr = &array_def, .flags = A|F },
    { "cl",              "A '|'-separated list of channel layouts.", OFFSET(channel_layouts),
        AV_OPT_TYPE_CHLAYOUT | AV_OPT_TYPE_FLAG_ARRAY, .default_val.arr = &array_def, .flags = A|F },
    { NULL }
}

Definition at line 55 of file af_aformat.c.

ff_af_aformat

const FFFilter ff_af_aformat

Initial value:

= {
    .p.name        = "aformat",
    .p.description = NULL_IF_CONFIG_SMALL("Convert the input audio to one of the specified formats."),
    .p.priv_class  = &aformat_class,
    .p.flags       = AVFILTER_FLAG_METADATA_ONLY,
    .init          = init,
    .priv_size     = sizeof(AFormatContext),
    FILTER_INPUTS(ff_audio_default_filterpad),
    FILTER_OUTPUTS(ff_audio_default_filterpad),
    FILTER_QUERY_FUNC2(query_formats),
}

Definition at line 135 of file af_aformat.c.