vf_hsvkey.c File Reference

#include <float.h>
#include "libavutil/opt.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	HSVKeyContext

Macros
#define	SQR(x)   ((x)*(x))
#define	OFFSET(x)   offsetof(HSVKeyContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Functions
static int	do_hsvkey_pixel (HSVKeyContext *s, int y, int u, int v, float hue_key, float sat_key, float val_key)
static int	do_hsvkey_slice (AVFilterContext *avctx, void *arg, int jobnr, int nb_jobs)
static int	do_hsvkey16_slice (AVFilterContext *avctx, void *arg, int jobnr, int nb_jobs)
static int	do_hsvhold_slice (AVFilterContext *avctx, void *arg, int jobnr, int nb_jobs)
static int	do_hsvhold16_slice (AVFilterContext *avctx, void *arg, int jobnr, int nb_jobs)
static int	filter_frame (AVFilterLink *link, AVFrame *frame)
static av_cold int	config_output (AVFilterLink *outlink)
static av_cold int	config_input (AVFilterLink *inlink)
	AVFILTER_DEFINE_CLASS (hsvkey)
	AVFILTER_DEFINE_CLASS (hsvhold)

Variables
static enum AVPixelFormat	key_pixel_fmts []
static const AVFilterPad	inputs []
static const AVFilterPad	outputs []
static const AVOption	hsvkey_options []
const AVFilter	ff_vf_hsvkey
static enum AVPixelFormat	hold_pixel_fmts []
static const AVOption	hsvhold_options []
const AVFilter	ff_vf_hsvhold

Macro Definition Documentation

SQR

#define SQR

(

x

)

((x)*(x))

Definition at line 50 of file vf_hsvkey.c.

OFFSET

#define OFFSET

(

x

)

offsetof(HSVKeyContext, x)

Definition at line 286 of file vf_hsvkey.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 287 of file vf_hsvkey.c.

Function Documentation

do_hsvkey_pixel()

static int do_hsvkey_pixel ( HSVKeyContext *  s, int  y, int  u, int  v, float  hue_key, float  sat_key, float  val_key  )

static

Definition at line 52 of file vf_hsvkey.c.

Referenced by do_hsvhold16_slice(), do_hsvhold_slice(), do_hsvkey16_slice(), and do_hsvkey_slice().

do_hsvkey_slice()

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

static

Definition at line 87 of file vf_hsvkey.c.

Referenced by config_output().

do_hsvkey16_slice()

static int do_hsvkey16_slice ( AVFilterContext *  avctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 112 of file vf_hsvkey.c.

Referenced by config_output().

do_hsvhold_slice()

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

static

Definition at line 138 of file vf_hsvkey.c.

Referenced by config_output().

do_hsvhold16_slice()

static int do_hsvhold16_slice ( AVFilterContext *  avctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 174 of file vf_hsvkey.c.

Referenced by config_output().

filter_frame()

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

static

Definition at line 211 of file vf_hsvkey.c.

config_output()

static av_cold int config_output ( AVFilterLink *  outlink )

static

Definition at line 225 of file vf_hsvkey.c.

config_input()

static av_cold int config_input ( AVFilterLink *  inlink )

static

Definition at line 245 of file vf_hsvkey.c.

AVFILTER_DEFINE_CLASS() [1/2]

AVFILTER_DEFINE_CLASS

(

hsvkey

)

AVFILTER_DEFINE_CLASS() [2/2]

AVFILTER_DEFINE_CLASS

(

hsvhold

)

Variable Documentation

key_pixel_fmts

enum AVPixelFormat key_pixel_fmts[]

static

Initial value:

= {
    AV_PIX_FMT_YUVA420P,
    AV_PIX_FMT_YUVA422P,
    AV_PIX_FMT_YUVA444P,
    AV_PIX_FMT_YUVA420P9,  AV_PIX_FMT_YUVA422P9,  AV_PIX_FMT_YUVA444P9,
    AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
    AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA444P12,
    AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
    AV_PIX_FMT_NONE
}

Definition at line 257 of file vf_hsvkey.c.

inputs

const AVFilterPad inputs[]

static

Initial value:

= {
    {
        .name           = "default",
        .type           = AVMEDIA_TYPE_VIDEO,
        .flags          = AVFILTERPAD_FLAG_NEEDS_WRITABLE,
        .filter_frame   = filter_frame,
        .config_props   = config_input,
    },
}

Definition at line 268 of file vf_hsvkey.c.

outputs

const AVFilterPad outputs[]

static

Initial value:

= {
    {
        .name           = "default",
        .type           = AVMEDIA_TYPE_VIDEO,
        .config_props   = config_output,
    },
}

Definition at line 278 of file vf_hsvkey.c.

hsvkey_options

const AVOption hsvkey_options[]

static

Initial value:

= {
    { "hue", "set the hue value", OFFSET(hue_opt), AV_OPT_TYPE_FLOAT, { .dbl = 0 }, -360, 360, FLAGS },
    { "sat", "set the saturation value", OFFSET(sat), AV_OPT_TYPE_FLOAT, { .dbl = 0 }, -1, 1, FLAGS },
    { "val", "set the value value", OFFSET(val), AV_OPT_TYPE_FLOAT, { .dbl = 0 }, -1, 1, FLAGS },
    { "similarity", "set the hsvkey similarity value", OFFSET(similarity), AV_OPT_TYPE_FLOAT, { .dbl = 0.01}, 0.00001, 1.0, FLAGS },
    { "blend", "set the hsvkey blend value", OFFSET(blend), AV_OPT_TYPE_FLOAT, { .dbl = 0.0 }, 0.0, 1.0, FLAGS },
    { NULL }
}

Definition at line 289 of file vf_hsvkey.c.

ff_vf_hsvkey

const AVFilter ff_vf_hsvkey

Initial value:

= {
    .name          = "hsvkey",
    .description   = NULL_IF_CONFIG_SMALL("Turns a certain HSV range into transparency. Operates on YUV colors."),
    .priv_size     = sizeof(HSVKeyContext),
    .priv_class    = &hsvkey_class,
    FILTER_INPUTS(inputs),
    FILTER_OUTPUTS(outputs),
    FILTER_PIXFMTS_ARRAY(key_pixel_fmts),
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
    .process_command = ff_filter_process_command,
}

Definition at line 300 of file vf_hsvkey.c.

hold_pixel_fmts

enum AVPixelFormat hold_pixel_fmts[]

static

Initial value:

= {
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUV422P,
    AV_PIX_FMT_YUV444P,
    AV_PIX_FMT_YUVA420P,
    AV_PIX_FMT_YUVA422P,
    AV_PIX_FMT_YUVA444P,
    AV_PIX_FMT_YUV420P9,   AV_PIX_FMT_YUV422P9,   AV_PIX_FMT_YUV444P9,
    AV_PIX_FMT_YUV420P10,  AV_PIX_FMT_YUV422P10,  AV_PIX_FMT_YUV444P10,
    AV_PIX_FMT_YUV444P12,  AV_PIX_FMT_YUV422P12,  AV_PIX_FMT_YUV420P12,
    AV_PIX_FMT_YUV444P14,  AV_PIX_FMT_YUV422P14,  AV_PIX_FMT_YUV420P14,
    AV_PIX_FMT_YUV420P16,  AV_PIX_FMT_YUV422P16,  AV_PIX_FMT_YUV444P16,
    AV_PIX_FMT_YUVA420P9,  AV_PIX_FMT_YUVA422P9,  AV_PIX_FMT_YUVA444P9,
    AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
    AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA444P12,
    AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
    AV_PIX_FMT_NONE
}

Definition at line 312 of file vf_hsvkey.c.

hsvhold_options

const AVOption hsvhold_options[]

static

Initial value:

= {
    { "hue", "set the hue value", OFFSET(hue_opt), AV_OPT_TYPE_FLOAT, { .dbl = 0 }, -360, 360, FLAGS },
    { "sat", "set the saturation value", OFFSET(sat), AV_OPT_TYPE_FLOAT, { .dbl = 0 }, -1, 1, FLAGS },
    { "val", "set the value value", OFFSET(val), AV_OPT_TYPE_FLOAT, { .dbl = 0 }, -1, 1, FLAGS },
    { "similarity", "set the hsvhold similarity value", OFFSET(similarity), AV_OPT_TYPE_FLOAT, { .dbl = 0.01 }, 0.00001, 1.0, FLAGS },
    { "blend", "set the hsvhold blend value", OFFSET(blend), AV_OPT_TYPE_FLOAT, { .dbl = 0.0 }, 0.0, 1.0, FLAGS },
    { NULL }
}

Definition at line 331 of file vf_hsvkey.c.

ff_vf_hsvhold

const AVFilter ff_vf_hsvhold

Initial value:

= {
    .name          = "hsvhold",
    .description   = NULL_IF_CONFIG_SMALL("Turns a certain HSV range into gray."),
    .priv_size     = sizeof(HSVKeyContext),
    .priv_class    = &hsvhold_class,
    FILTER_INPUTS(inputs),
    FILTER_OUTPUTS(outputs),
    FILTER_PIXFMTS_ARRAY(hold_pixel_fmts),
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
    .process_command = ff_filter_process_command,
}

Definition at line 342 of file vf_hsvkey.c.