FFmpeg
Data Structures | Macros | Functions | Variables
af_crossfeed.c File Reference
#include "libavutil/channel_layout.h"
#include "libavutil/ffmath.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "audio.h"
#include "formats.h"

Go to the source code of this file.

Data Structures

struct  CrossfeedContext
 

Macros

#define OFFSET(x)   offsetof(CrossfeedContext, x)
 
#define FLAGS   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
 

Functions

static int query_formats (AVFilterContext *ctx)
 
static int config_input (AVFilterLink *inlink)
 
static int filter_frame (AVFilterLink *inlink, AVFrame *in)
 
 AVFILTER_DEFINE_CLASS (crossfeed)
 

Variables

static const AVOption crossfeed_options []
 
static const AVFilterPad inputs []
 
static const AVFilterPad outputs []
 
AVFilter ff_af_crossfeed
 

Macro Definition Documentation

#define OFFSET (   x)    offsetof(CrossfeedContext, x)

Definition at line 136 of file af_crossfeed.c.

Definition at line 137 of file af_crossfeed.c.

Function Documentation

static int query_formats ( AVFilterContext ctx)
static

Definition at line 41 of file af_crossfeed.c.

static int config_input ( AVFilterLink inlink)
static

Definition at line 57 of file af_crossfeed.c.

static int filter_frame ( AVFilterLink inlink,
AVFrame in 
)
static

Definition at line 83 of file af_crossfeed.c.

AVFILTER_DEFINE_CLASS ( crossfeed  )

Variable Documentation

const AVOption crossfeed_options[]
static
Initial value:
= {
{ "strength", "set crossfeed strength", OFFSET(strength), AV_OPT_TYPE_DOUBLE, {.dbl=.2}, 0, 1, FLAGS },
{ "range", "set soundstage wideness", OFFSET(range), AV_OPT_TYPE_DOUBLE, {.dbl=.5}, 0, 1, FLAGS },
{ "level_in", "set level in", OFFSET(level_in), AV_OPT_TYPE_DOUBLE, {.dbl=.9}, 0, 1, FLAGS },
{ "level_out", "set level out", OFFSET(level_out), AV_OPT_TYPE_DOUBLE, {.dbl=1.}, 0, 1, FLAGS },
{ NULL }
}
#define NULL
Definition: coverity.c:32
#define FLAGS
Definition: af_crossfeed.c:137
#define OFFSET(x)
Definition: af_crossfeed.c:136

Definition at line 139 of file af_crossfeed.c.

const AVFilterPad inputs[]
static
Initial value:
= {
{
.name = "default",
.filter_frame = filter_frame,
.config_props = config_input,
},
{ NULL }
}
#define NULL
Definition: coverity.c:32
static int config_input(AVFilterLink *inlink)
Definition: af_crossfeed.c:57
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: af_crossfeed.c:83

Definition at line 149 of file af_crossfeed.c.

const AVFilterPad outputs[]
static
Initial value:
= {
{
.name = "default",
},
{ NULL }
}
#define NULL
Definition: coverity.c:32

Definition at line 159 of file af_crossfeed.c.

AVFilter ff_af_crossfeed
Initial value:
= {
.name = "crossfeed",
.description = NULL_IF_CONFIG_SMALL("Apply headphone crossfeed filter."),
.query_formats = query_formats,
.priv_size = sizeof(CrossfeedContext),
.priv_class = &crossfeed_class,
}
static const AVFilterPad inputs[]
Definition: af_crossfeed.c:149
static const AVFilterPad outputs[]
Definition: af_crossfeed.c:159
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
static int query_formats(AVFilterContext *ctx)
Definition: af_crossfeed.c:41
#define AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
Same as AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, except that the filter will have its filter_frame() c...
Definition: avfilter.h:133
#define flags(name, subs,...)
Definition: cbs_av1.c:561

Definition at line 167 of file af_crossfeed.c.