vf_maskedthreshold.c File Reference

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

Go to the source code of this file.

Data Structures
struct	MaskedThresholdContext
struct	ThreadData
	Used for passing data between threads. More...

Macros
#define	OFFSET(x)   offsetof(MaskedThresholdContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Functions
static int	query_formats (AVFilterContext *ctx)
static void	threshold8 (const uint8_t *src, const uint8_t *ref, uint8_t *dst, int threshold, int w)
static void	threshold16 (const uint8_t *ssrc, const uint8_t *rref, uint8_t *ddst, int threshold, int w)
static int	config_input (AVFilterLink *inlink)
static int	threshold_slice (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	process_frame (FFFrameSync *fs)
static int	config_output (AVFilterLink *outlink)
static int	activate (AVFilterContext *ctx)
static av_cold void	uninit (AVFilterContext *ctx)
	AVFILTER_DEFINE_CLASS (maskedthreshold)

Variables
static const AVOption	maskedthreshold_options []
static const AVFilterPad	maskedthreshold_inputs []
static const AVFilterPad	maskedthreshold_outputs []
AVFilter	ff_vf_maskedthreshold

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(MaskedThresholdContext, x)

Definition at line 45 of file vf_maskedthreshold.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 46 of file vf_maskedthreshold.c.

Function Documentation

query_formats()

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 58 of file vf_maskedthreshold.c.

threshold8()

static void threshold8 ( const uint8_t *  src, const uint8_t *  ref, uint8_t *  dst, int  threshold, int  w  )

static

Definition at line 85 of file vf_maskedthreshold.c.

Referenced by config_input().

threshold16()

static void threshold16 ( const uint8_t *  ssrc, const uint8_t *  rref, uint8_t *  ddst, int  threshold, int  w  )

static

Definition at line 91 of file vf_maskedthreshold.c.

Referenced by config_input().

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 101 of file vf_maskedthreshold.c.

threshold_slice()

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

static

Definition at line 130 of file vf_maskedthreshold.c.

Referenced by process_frame().

process_frame()

static int process_frame ( FFFrameSync *  fs )

static

Definition at line 166 of file vf_maskedthreshold.c.

Referenced by config_output().

config_output()

static int config_output ( AVFilterLink *  outlink )

static

Definition at line 202 of file vf_maskedthreshold.c.

activate()

static int activate ( AVFilterContext *  ctx )

static

Definition at line 250 of file vf_maskedthreshold.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 256 of file vf_maskedthreshold.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

maskedthreshold

)

Variable Documentation

maskedthreshold_options

const AVOption maskedthreshold_options[]

static

Initial value:

= {
    { "threshold", "set threshold", OFFSET(threshold), AV_OPT_TYPE_INT, {.i64=1},   0, UINT16_MAX, FLAGS },
    { "planes",    "set planes",    OFFSET(planes),    AV_OPT_TYPE_INT, {.i64=0xF}, 0, 0xF,        FLAGS },
    { NULL }
}

Definition at line 52 of file vf_maskedthreshold.c.

maskedthreshold_inputs

const AVFilterPad maskedthreshold_inputs[]

static

Initial value:

= {
    {
        .name         = "source",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = config_input,
    },
    {
        .name         = "reference",
        .type         = AVMEDIA_TYPE_VIDEO,
    },
    { NULL }
}

Definition at line 263 of file vf_maskedthreshold.c.

maskedthreshold_outputs

const AVFilterPad maskedthreshold_outputs[]

static

Initial value:

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

Definition at line 276 of file vf_maskedthreshold.c.

ff_vf_maskedthreshold

AVFilter ff_vf_maskedthreshold

Initial value:

= {
    .name          = "maskedthreshold",
    .description   = NULL_IF_CONFIG_SMALL("Pick pixels comparing absolute difference of two streams with threshold."),
    .priv_class    = &maskedthreshold_class,
    .priv_size     = sizeof(MaskedThresholdContext),
    .uninit        = uninit,
    .activate      = activate,
    .query_formats = query_formats,
    .inputs        = maskedthreshold_inputs,
    .outputs       = maskedthreshold_outputs,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
}

Definition at line 287 of file vf_maskedthreshold.c.