af_channelmap.c File Reference

audio channel mapping filter More...

#include <ctype.h>
#include "libavutil/avstring.h"
#include "libavutil/channel_layout.h"
#include "libavutil/common.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/samplefmt.h"
#include "audio.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"

Classes
struct	ChannelMap
struct	ChannelMapContext

Macros
#define	MAX_CH   64
#define	OFFSET(x)   offsetof(ChannelMapContext, x)
#define	A   AV_OPT_FLAG_AUDIO_PARAM
#define	F   AV_OPT_FLAG_FILTERING_PARAM

Typedefs
typedef struct ChannelMapContext	ChannelMapContext

Enumerations
enum	MappingMode {   MAP_NONE, MAP_ONE_INT, MAP_ONE_STR, MAP_PAIR_INT_INT,   MAP_PAIR_INT_STR, MAP_PAIR_STR_INT, MAP_PAIR_STR_STR }

Functions
	AVFILTER_DEFINE_CLASS (channelmap)

Variables
AVFilter	ff_af_channelmap

Detailed Description

audio channel mapping filter

Variable Documentation

ff_af_channelmap

AVFilter ff_af_channelmap

Initial value:

= {
    .name          = "channelmap",
    .description   = NULL_IF_CONFIG_SMALL("Remap audio channels."),
    .init          = channelmap_init,
    .query_formats = channelmap_query_formats,
    .priv_size     = sizeof(ChannelMapContext),
    .priv_class    = &channelmap_class,
    .inputs        = avfilter_af_channelmap_inputs,
    .outputs       = avfilter_af_channelmap_outputs,
}