options.c File Reference

#include "libavutil/channel_layout.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "swresample_internal.h"
#include <float.h>

Go to the source code of this file.

Macros
#define	C30DB   M_SQRT2
#define	C15DB   1.189207115
#define	C__0DB   1.0
#define	C_15DB   0.840896415
#define	C_30DB   M_SQRT1_2
#define	C_45DB   0.594603558
#define	C_60DB   0.5
#define	OFFSET(x)
#define	PARAM   AV_OPT_FLAG_AUDIO_PARAM
#define	DEPREC   AV_OPT_FLAG_DEPRECATED

Functions
static const char *	context_to_name (void *ptr)
const AVClass *	swr_get_class (void)
	Get the AVClass for SwrContext.
av_cold struct SwrContext *	swr_alloc (void)
	Allocate SwrContext.

Variables
static const AVOption	options []
static const AVClass	av_class

Macro Definition Documentation

C30DB

#define C30DB   M_SQRT2

Definition at line 28 of file options.c.

C15DB

#define C15DB   1.189207115

Definition at line 29 of file options.c.

C__0DB

#define C__0DB   1.0

Definition at line 30 of file options.c.

C_15DB

#define C_15DB   0.840896415

Definition at line 31 of file options.c.

C_30DB

#define C_30DB   M_SQRT1_2

Definition at line 32 of file options.c.

C_45DB

#define C_45DB   0.594603558

Definition at line 33 of file options.c.

C_60DB

#define C_60DB   0.5

Definition at line 34 of file options.c.

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(SwrContext,x)

Definition at line 36 of file options.c.

PARAM

#define PARAM   AV_OPT_FLAG_AUDIO_PARAM

Definition at line 37 of file options.c.

DEPREC

#define DEPREC   AV_OPT_FLAG_DEPRECATED

Definition at line 38 of file options.c.

Function Documentation

context_to_name()

static const char * context_to_name ( void * ptr )

static

Definition at line 129 of file options.c.

Variable Documentation

options

const AVOption options[]

static

Definition at line 40 of file options.c.

av_class

const AVClass av_class

static

Initial value:

= {
    .class_name                = "SWResampler",
    .item_name                 = context_to_name,
    .option                    = options,
    .version                   = LIBAVUTIL_VERSION_INT,
    .log_level_offset_offset   = OFFSET(log_level_offset),
    .parent_log_context_offset = OFFSET(log_ctx),
    .category                  = AV_CLASS_CATEGORY_SWRESAMPLER,
}

Definition at line 133 of file options.c.

Referenced by swr_alloc(), and swr_get_class().