vf_neighbor.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"

Go to the source code of this file.

Data Structures
struct	NContext

Macros
#define	OFFSET(x)   offsetof(NContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
#define	DEFINE_NEIGHBOR_FILTER(name_, description_)

Functions
static int	query_formats (AVFilterContext *ctx)
static av_cold void	uninit (AVFilterContext *ctx)
static void	line_copy8 (uint8_t *line, const uint8_t *srcp, int width, int mergin)
static void	erosion (uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord)
static void	dilation (uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord)
static void	deflate (uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord)
static void	inflate (uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord)
static int	config_input (AVFilterLink *inlink)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)

Variables
static const AVFilterPad	neighbor_inputs []
static const AVFilterPad	neighbor_outputs []

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(NContext, x)

Definition at line 250 of file vf_neighbor.c.

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 251 of file vf_neighbor.c.

#define DEFINE_NEIGHBOR_FILTER	(		name_,
			description_
	)

Value:

AVFILTER_DEFINE_CLASS(name_);                                \
                                                             \
AVFilter ff_vf_##name_ = {                                   \
    .name          = #name_,                                 \
    .description   = NULL_IF_CONFIG_SMALL(description_),     \
    .priv_size     = sizeof(NContext),                       \
    .priv_class    = &name_##_class,                         \
    .uninit        = uninit,                                 \
    .query_formats = query_formats,                          \
    .inputs        = neighbor_inputs,                        \
    .outputs       = neighbor_outputs,                       \
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, \
}

Definition at line 253 of file vf_neighbor.c.

Function Documentation

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 43 of file vf_neighbor.c.

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 56 of file vf_neighbor.c.

static void line_copy8 ( uint8_t *  line, const uint8_t *  srcp, int  width, int  mergin  )

inlinestatic

Definition at line 63 of file vf_neighbor.c.

Referenced by filter_frame().

static void erosion ( uint8_t *  dst, const uint8_t *  p1, int  width, int  threshold, const uint8_t *  coordinates[], int  coord  )

static

Definition at line 75 of file vf_neighbor.c.

Referenced by avfilter_register_all(), and config_input().

static void dilation ( uint8_t *  dst, const uint8_t *  p1, int  width, int  threshold, const uint8_t *  coordinates[], int  coord  )

static

Definition at line 95 of file vf_neighbor.c.

Referenced by avfilter_register_all(), and config_input().

static void deflate ( uint8_t *  dst, const uint8_t *  p1, int  width, int  threshold, const uint8_t *  coordinates[], int  coord  )

static

Definition at line 115 of file vf_neighbor.c.

Referenced by avfilter_register_all(), config_input(), encode_frame(), encode_zlibprime(), flashsv2_prime(), and png_write_row().

static void inflate ( uint8_t *  dst, const uint8_t *  p1, int  width, int  threshold, const uint8_t *  coordinates[], int  coord  )

static

Definition at line 130 of file vf_neighbor.c.

Referenced by avfilter_register_all(), config_input(), decode_frame(), decode_zbuf(), flashsv2_prime(), flashsv_decode_block(), main(), matroska_decode_buffer(), png_decode_idat(), and zerocodec_decode_frame().

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 145 of file vf_neighbor.c.

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

static

Definition at line 175 of file vf_neighbor.c.

Variable Documentation

const AVFilterPad neighbor_inputs[]

static

Initial value:

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

Definition at line 232 of file vf_neighbor.c.

const AVFilterPad neighbor_outputs[]

static

Initial value:

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

Definition at line 242 of file vf_neighbor.c.