FFmpeg
4.4.5
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audio volume filter More...
#include "libavutil/channel_layout.h"
#include "libavutil/common.h"
#include "libavutil/eval.h"
#include "libavutil/ffmath.h"
#include "libavutil/float_dsp.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "libavutil/replaygain.h"
#include "audio.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "af_volume.h"
Go to the source code of this file.
Macros | |
#define | OFFSET(x) offsetof(VolumeContext, x) |
#define | A AV_OPT_FLAG_AUDIO_PARAM |
#define | F AV_OPT_FLAG_FILTERING_PARAM |
#define | T AV_OPT_FLAG_RUNTIME_PARAM |
Variables | |
static const char *const | precision_str [] |
static const char *const | var_names [] |
static const AVOption | volume_options [] |
static const AVFilterPad | avfilter_af_volume_inputs [] |
static const AVFilterPad | avfilter_af_volume_outputs [] |
AVFilter | ff_af_volume |
audio volume filter
Definition in file af_volume.c.
#define OFFSET | ( | x | ) | offsetof(VolumeContext, x) |
Definition at line 62 of file af_volume.c.
#define A AV_OPT_FLAG_AUDIO_PARAM |
Definition at line 63 of file af_volume.c.
#define F AV_OPT_FLAG_FILTERING_PARAM |
Definition at line 64 of file af_volume.c.
#define T AV_OPT_FLAG_RUNTIME_PARAM |
Definition at line 65 of file af_volume.c.
AVFILTER_DEFINE_CLASS | ( | volume | ) |
Definition at line 93 of file af_volume.c.
Referenced by init(), and process_command().
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Definition at line 113 of file af_volume.c.
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Definition at line 124 of file af_volume.c.
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Definition at line 132 of file af_volume.c.
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Definition at line 180 of file af_volume.c.
Referenced by volume_init().
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Definition at line 188 of file af_volume.c.
Referenced by volume_init().
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Definition at line 196 of file af_volume.c.
Referenced by volume_init().
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Definition at line 206 of file af_volume.c.
Referenced by volume_init().
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Definition at line 216 of file af_volume.c.
Referenced by volume_init().
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Definition at line 226 of file af_volume.c.
Referenced by filter_frame(), and set_volume().
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Definition at line 258 of file af_volume.c.
Referenced by config_output(), filter_frame(), and process_command().
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Definition at line 290 of file af_volume.c.
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Definition at line 322 of file af_volume.c.
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Definition at line 338 of file af_volume.c.
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Definition at line 42 of file af_volume.c.
Referenced by set_volume().
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Definition at line 46 of file af_volume.c.
Referenced by set_expr().
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Definition at line 67 of file af_volume.c.
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Definition at line 462 of file af_volume.c.
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Definition at line 471 of file af_volume.c.
AVFilter ff_af_volume |
Definition at line 480 of file af_volume.c.