FFmpeg
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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"
Go to the source code of this file.
Data Structures | |
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 |
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) | |
static char * | split (char *message, char delim) |
static int | get_channel_idx (char **map, int *ch, char delim, int max_ch) |
static int | get_channel (char **map, uint64_t *ch, char delim) |
static av_cold int | channelmap_init (AVFilterContext *ctx) |
static int | channelmap_query_formats (AVFilterContext *ctx) |
static int | channelmap_filter_frame (AVFilterLink *inlink, AVFrame *buf) |
static int | channelmap_config_input (AVFilterLink *inlink) |
Variables | |
static const AVOption | channelmap_options [] |
static const AVFilterPad | avfilter_af_channelmap_inputs [] |
static const AVFilterPad | avfilter_af_channelmap_outputs [] |
AVFilter | ff_af_channelmap |
audio channel mapping filter
Definition in file af_channelmap.c.
#define MAX_CH 64 |
Definition at line 57 of file af_channelmap.c.
Referenced by channelmap_filter_frame(), and channelmap_init().
#define OFFSET | ( | x | ) | offsetof(ChannelMapContext, x) |
Definition at line 68 of file af_channelmap.c.
#define A AV_OPT_FLAG_AUDIO_PARAM |
Definition at line 69 of file af_channelmap.c.
#define F AV_OPT_FLAG_FILTERING_PARAM |
Definition at line 70 of file af_channelmap.c.
enum MappingMode |
Enumerator | |
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MAP_NONE | |
MAP_ONE_INT | |
MAP_ONE_STR | |
MAP_PAIR_INT_INT | |
MAP_PAIR_INT_STR | |
MAP_PAIR_STR_INT | |
MAP_PAIR_STR_STR |
Definition at line 47 of file af_channelmap.c.
AVFILTER_DEFINE_CLASS | ( | channelmap | ) |
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Definition at line 81 of file af_channelmap.c.
Referenced by arith2_get_scaled_value(), arith2_rescale_interval(), colormap_nearest_iterative(), dirac_unpack_block_motion_data(), encode_block(), ff_celt_decode_band(), ff_celt_encode_band(), get_channel(), get_channel_idx(), intra_prediction_unit(), main(), mss4_decode_image_block(), and register_all().
Definition at line 88 of file af_channelmap.c.
Referenced by channelmap_init().
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Definition at line 108 of file af_channelmap.c.
Referenced by channelmap_init().
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Definition at line 120 of file af_channelmap.c.
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Definition at line 287 of file af_channelmap.c.
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Definition at line 314 of file af_channelmap.c.
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Definition at line 362 of file af_channelmap.c.
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Definition at line 71 of file af_channelmap.c.
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Definition at line 399 of file af_channelmap.c.
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Definition at line 410 of file af_channelmap.c.
AVFilter ff_af_channelmap |
Definition at line 418 of file af_channelmap.c.