vf_limiter.c File Reference

#include "libavutil/attributes.h"
#include "libavutil/common.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "limiter.h"
#include "video.h"

Go to the source code of this file.

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

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

Functions
	AVFILTER_DEFINE_CLASS (limiter)
static av_cold int	init (AVFilterContext *ctx)
static int	query_formats (AVFilterContext *ctx)
static void	limiter8 (const uint8_t *src, uint8_t *dst, ptrdiff_t slinesize, ptrdiff_t dlinesize, int w, int h, int min, int max)
static void	limiter16 (const uint8_t *ssrc, uint8_t *ddst, ptrdiff_t slinesize, ptrdiff_t dlinesize, int w, int h, int min, int max)
static int	config_input (AVFilterLink *inlink)
static int	filter_slice (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static int	process_command (AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)

Variables
static const AVOption	limiter_options []
static const AVFilterPad	inputs []
static const AVFilterPad	outputs []
AVFilter	ff_vf_limiter

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(LimiterContext, x)

Definition at line 48 of file vf_limiter.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 49 of file vf_limiter.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

limiter

)

init()

static av_cold int init ( AVFilterContext *  ctx )

static

Definition at line 60 of file vf_limiter.c.

query_formats()

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 69 of file vf_limiter.c.

limiter8()

static void limiter8 ( const uint8_t *  src, uint8_t *  dst, ptrdiff_t  slinesize, ptrdiff_t  dlinesize, int  w, int  h, int  min, int  max  )

static

Definition at line 99 of file vf_limiter.c.

Referenced by config_input().

limiter16()

static void limiter16 ( const uint8_t *  ssrc, uint8_t *  ddst, ptrdiff_t  slinesize, ptrdiff_t  dlinesize, int  w, int  h, int  min, int  max  )

static

Definition at line 115 of file vf_limiter.c.

Referenced by config_input().

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 136 of file vf_limiter.c.

Referenced by process_command().

filter_slice()

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

static

Definition at line 171 of file vf_limiter.c.

Referenced by filter_frame().

filter_frame()

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

static

Definition at line 204 of file vf_limiter.c.

process_command()

static int process_command ( AVFilterContext *  ctx, const char *  cmd, const char *  args, char *  res, int  res_len, int  flags  )

static

Definition at line 233 of file vf_limiter.c.

Variable Documentation

limiter_options

const AVOption limiter_options[]

static

Initial value:

= {
    { "min",    "set min value", OFFSET(min),    AV_OPT_TYPE_INT, {.i64=0},     0, 65535, .flags = FLAGS },
    { "max",    "set max value", OFFSET(max),    AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, .flags = FLAGS },
    { "planes", "set planes",    OFFSET(planes), AV_OPT_TYPE_INT, {.i64=15},    0,    15, .flags = FLAGS },
    { NULL }
}

Definition at line 51 of file vf_limiter.c.

inputs

const AVFilterPad inputs[]

static

Initial value:

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

Definition at line 245 of file vf_limiter.c.

outputs

const AVFilterPad outputs[]

static

Initial value:

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

Definition at line 255 of file vf_limiter.c.

ff_vf_limiter

AVFilter ff_vf_limiter

Initial value:

= {
    .name          = "limiter",
    .description   = NULL_IF_CONFIG_SMALL("Limit pixels components to the specified range."),
    .priv_size     = sizeof(LimiterContext),
    .priv_class    = &limiter_class,
    .init          = init,
    .query_formats = query_formats,
    .inputs        = inputs,
    .outputs       = outputs,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
    .process_command = process_command,
}

Definition at line 263 of file vf_limiter.c.