vf_limitdiff.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	ThreadData
	Used for passing data between threads. More...
struct	LimitDiffContext

Macros
#define	OFFSET(x)   offsetof(LimitDiffContext, x)
#define	TFLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Functions
static void	limitdiff8 (const uint8_t *filtered, uint8_t *dst, const uint8_t *source, const uint8_t *reference, int thr1, int thr2, int w, int depth)
static void	limitdiff16 (const uint8_t *ffiltered, uint8_t *ddst, const uint8_t *ssource, const uint8_t *rreference, int thr1, int thr2, int w, int depth)
static int	config_input (AVFilterLink *inlink)
static int	limitdiff_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 int	init (AVFilterContext *ctx)
static av_cold void	uninit (AVFilterContext *ctx)
	AVFILTER_DEFINE_CLASS (limitdiff)

Variables
static const AVOption	limitdiff_options []
static enum AVPixelFormat	pix_fmts []
static const AVFilterPad	limitdiff_outputs []
const AVFilter	ff_vf_limitdiff

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(LimitDiffContext, x)

Definition at line 55 of file vf_limitdiff.c.

TFLAGS

#define TFLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 56 of file vf_limitdiff.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 57 of file vf_limitdiff.c.

Function Documentation

limitdiff8()

static void limitdiff8 ( const uint8_t *  filtered, uint8_t *  dst, const uint8_t *  source, const uint8_t *  reference, int  thr1, int  thr2, int  w, int  depth  )

static

Definition at line 89 of file vf_limitdiff.c.

Referenced by config_input().

limitdiff16()

static void limitdiff16 ( const uint8_t *  ffiltered, uint8_t *  ddst, const uint8_t *  ssource, const uint8_t *  rreference, int  thr1, int  thr2, int  w, int  depth  )

static

Definition at line 106 of file vf_limitdiff.c.

Referenced by config_input().

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 128 of file vf_limitdiff.c.

Referenced by init().

limitdiff_slice()

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

static

Definition at line 159 of file vf_limitdiff.c.

Referenced by process_frame().

process_frame()

static int process_frame ( FFFrameSync *  fs )

static

Definition at line 200 of file vf_limitdiff.c.

Referenced by config_output().

config_output()

static int config_output ( AVFilterLink *  outlink )

static

Definition at line 241 of file vf_limitdiff.c.

activate()

static int activate ( AVFilterContext *  ctx )

static

Definition at line 305 of file vf_limitdiff.c.

init()

static av_cold int init ( AVFilterContext *  ctx )

static

Definition at line 311 of file vf_limitdiff.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 339 of file vf_limitdiff.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

limitdiff

)

Variable Documentation

limitdiff_options

const AVOption limitdiff_options[]

static

Initial value:

= {
    { "threshold",  "set the threshold",        OFFSET(threshold),  AV_OPT_TYPE_FLOAT, {.dbl=1/255.f}, 0,   1, TFLAGS },
    { "elasticity", "set the elasticity",       OFFSET(elasticity), AV_OPT_TYPE_FLOAT, {.dbl=2.f},     0,  10, TFLAGS },
    { "reference",  "enable reference stream",  OFFSET(reference),  AV_OPT_TYPE_BOOL,  {.i64=0},       0,   1,  FLAGS },
    { "planes",     "set the planes to filter", OFFSET(planes),     AV_OPT_TYPE_INT,   {.i64=0xF},     0, 0xF, TFLAGS },
    { NULL }
}

Definition at line 59 of file vf_limitdiff.c.

pix_fmts

enum AVPixelFormat pix_fmts[]

static

Initial value:

= {
    AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P,
    AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P,
    AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,
    AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
    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_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12,
    AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
    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_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
    AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
    AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
    AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
    AV_PIX_FMT_NONE
}

Definition at line 67 of file vf_limitdiff.c.

limitdiff_outputs

const AVFilterPad limitdiff_outputs[]

static

Initial value:

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

Definition at line 346 of file vf_limitdiff.c.

ff_vf_limitdiff

const AVFilter ff_vf_limitdiff

Initial value:

= {
    .name          = "limitdiff",
    .description   = NULL_IF_CONFIG_SMALL("Apply filtering with limiting difference."),
    .priv_class    = &limitdiff_class,
    .priv_size     = sizeof(LimitDiffContext),
    .init          = init,
    .uninit        = uninit,
    .activate      = activate,
    FILTER_OUTPUTS(limitdiff_outputs),
    FILTER_PIXFMTS_ARRAY(pix_fmts),
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
                     AVFILTER_FLAG_SLICE_THREADS |
                     AVFILTER_FLAG_DYNAMIC_INPUTS,
    .process_command = ff_filter_process_command,
}

Definition at line 356 of file vf_limitdiff.c.