af_crystalizer.c File Reference

#include "libavutil/channel_layout.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	CrystalizerContext
struct	ThreadData
	Used for passing data between threads. More...

Macros
#define	OFFSET(x)   offsetof(CrystalizerContext, x)
#define	A   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Functions
	AVFILTER_DEFINE_CLASS (crystalizer)
static int	query_formats (AVFilterContext *ctx)
static int	filter_flt (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	filter_dbl (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	filter_fltp (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	filter_dblp (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	config_input (AVFilterLink *inlink)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	crystalizer_options []
static const AVFilterPad	inputs []
static const AVFilterPad	outputs []
AVFilter	ff_af_crystalizer

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(CrystalizerContext, x)

Definition at line 35 of file af_crystalizer.c.

A

#define A   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 36 of file af_crystalizer.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

crystalizer

)

query_formats()

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 46 of file af_crystalizer.c.

filter_flt()

static int filter_flt ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 86 of file af_crystalizer.c.

Referenced by config_input().

filter_dbl()

static int filter_dbl ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 121 of file af_crystalizer.c.

Referenced by config_input().

filter_fltp()

static int filter_fltp ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 157 of file af_crystalizer.c.

Referenced by config_input().

filter_dblp()

static int filter_dblp ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 190 of file af_crystalizer.c.

Referenced by config_input().

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 223 of file af_crystalizer.c.

filter_frame()

static int filter_frame ( AVFilterLink *  inlink, AVFrame *  in  )

static

Definition at line 238 of file af_crystalizer.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 281 of file af_crystalizer.c.

Variable Documentation

crystalizer_options

const AVOption crystalizer_options[]

static

Initial value:

= {
    { "i", "set intensity",    OFFSET(mult), AV_OPT_TYPE_FLOAT, {.dbl=2.0}, 0, 10, A },
    { "c", "enable clipping",  OFFSET(clip), AV_OPT_TYPE_BOOL,  {.i64=1},   0,  1, A },
    { NULL }
}

Definition at line 38 of file af_crystalizer.c.

inputs

const AVFilterPad inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_AUDIO,
        .filter_frame = filter_frame,
        .config_props = config_input,
    },
    { NULL }
}

Definition at line 288 of file af_crystalizer.c.

outputs

const AVFilterPad outputs[]

static

Initial value:

= {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_AUDIO,
    },
    { NULL }
}

Definition at line 298 of file af_crystalizer.c.

ff_af_crystalizer

AVFilter ff_af_crystalizer

Initial value:

= {
    .name           = "crystalizer",
    .description    = NULL_IF_CONFIG_SMALL("Simple expand audio dynamic range filter."),
    .query_formats  = query_formats,
    .priv_size      = sizeof(CrystalizerContext),
    .priv_class     = &crystalizer_class,
    .uninit         = uninit,
    .inputs         = inputs,
    .outputs        = outputs,
    .process_command = ff_filter_process_command,
    .flags          = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
                      AVFILTER_FLAG_SLICE_THREADS,
}

Definition at line 306 of file af_crystalizer.c.