vf_vibrance.c File Reference

#include "libavutil/opt.h"
#include "libavutil/imgutils.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	VibranceContext

Macros
#define	OFFSET(x)   offsetof(VibranceContext, x)
#define	VF   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Functions
static float	lerpf (float v0, float v1, float f)
static int	vibrance_slice8 (AVFilterContext *avctx, void *arg, int jobnr, int nb_jobs)
static int	vibrance_slice16 (AVFilterContext *avctx, void *arg, int jobnr, int nb_jobs)
static int	filter_frame (AVFilterLink *link, AVFrame *frame)
static av_cold int	query_formats (AVFilterContext *avctx)
static av_cold int	config_input (AVFilterLink *inlink)
	AVFILTER_DEFINE_CLASS (vibrance)

Variables
static const AVFilterPad	vibrance_inputs []
static const AVFilterPad	vibrance_outputs []
static const AVOption	vibrance_options []
AVFilter	ff_vf_vibrance

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(VibranceContext, x)

Definition at line 226 of file vf_vibrance.c.

VF

#define VF   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 227 of file vf_vibrance.c.

Function Documentation

lerpf()

static float lerpf ( float  v0, float  v1, float  f  )

inlinestatic

Definition at line 42 of file vf_vibrance.c.

Referenced by vibrance_slice16(), and vibrance_slice8().

vibrance_slice8()

static int vibrance_slice8 ( AVFilterContext *  avctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 47 of file vf_vibrance.c.

Referenced by config_input().

vibrance_slice16()

static int vibrance_slice16 ( AVFilterContext *  avctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 104 of file vf_vibrance.c.

Referenced by config_input().

filter_frame()

static int filter_frame ( AVFilterLink *  link, AVFrame *  frame  )

static

Definition at line 163 of file vf_vibrance.c.

query_formats()

static av_cold int query_formats ( AVFilterContext *  avctx )

static

Definition at line 176 of file vf_vibrance.c.

config_input()

static av_cold int config_input ( AVFilterLink *  inlink )

static

Definition at line 195 of file vf_vibrance.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

vibrance

)

Variable Documentation

vibrance_inputs

const AVFilterPad vibrance_inputs[]

static

Initial value:

= {
    {
        .name           = "default",
        .type           = AVMEDIA_TYPE_VIDEO,
        .needs_writable = 1,
        .filter_frame   = filter_frame,
        .config_props   = config_input,
    },
    { NULL }
}

Definition at line 207 of file vf_vibrance.c.

vibrance_outputs

const AVFilterPad vibrance_outputs[]

static

Initial value:

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

Definition at line 218 of file vf_vibrance.c.

vibrance_options

const AVOption vibrance_options[]

static

Initial value:

= {
    { "intensity", "set the intensity value",   OFFSET(intensity),  AV_OPT_TYPE_FLOAT, {.dbl=0},       -2,  2, VF },
    { "rbal", "set the red balance value",      OFFSET(balance[2]), AV_OPT_TYPE_FLOAT, {.dbl=1},      -10, 10, VF },
    { "gbal", "set the green balance value",    OFFSET(balance[0]), AV_OPT_TYPE_FLOAT, {.dbl=1},      -10, 10, VF },
    { "bbal", "set the blue balance value",     OFFSET(balance[1]), AV_OPT_TYPE_FLOAT, {.dbl=1},      -10, 10, VF },
    { "rlum", "set the red luma coefficient",   OFFSET(lcoeffs[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.072186}, 0,  1, VF },
    { "glum", "set the green luma coefficient", OFFSET(lcoeffs[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.715158}, 0,  1, VF },
    { "blum", "set the blue luma coefficient",  OFFSET(lcoeffs[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.212656}, 0,  1, VF },
    { "alternate", "use alternate colors",      OFFSET(alternate),  AV_OPT_TYPE_BOOL,  {.i64=0},        0,  1, VF },
    { NULL }
}

Definition at line 229 of file vf_vibrance.c.

ff_vf_vibrance

AVFilter ff_vf_vibrance

Initial value:

= {
    .name          = "vibrance",
    .description   = NULL_IF_CONFIG_SMALL("Boost or alter saturation."),
    .priv_size     = sizeof(VibranceContext),
    .priv_class    = &vibrance_class,
    .query_formats = query_formats,
    .inputs        = vibrance_inputs,
    .outputs       = vibrance_outputs,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
    .process_command = ff_filter_process_command,
}

Definition at line 243 of file vf_vibrance.c.