vf_neighbor.c File Reference

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

Go to the source code of this file.

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

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

Functions
static int	query_formats (AVFilterContext *ctx)
static void	erosion (uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
static void	erosion16 (uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
static void	dilation (uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
static void	dilation16 (uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
static void	deflate (uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
static void	deflate16 (uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
static void	inflate (uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
static void	inflate16 (uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
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)

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

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(NContext, x)

Definition at line 356 of file vf_neighbor.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 357 of file vf_neighbor.c.

DEFINE_NEIGHBOR_FILTER

#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,                         \
    .query_formats = query_formats,                          \
    .inputs        = neighbor_inputs,                        \
    .outputs       = neighbor_outputs,                       \
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC| \
                     AVFILTER_FLAG_SLICE_THREADS,            \
    .process_command = ff_filter_process_command,            \
}

Definition at line 359 of file vf_neighbor.c.

DEINFLATE_OPTIONS_OFFSET

#define DEINFLATE_OPTIONS_OFFSET   (CONFIG_EROSION_FILTER || CONFIG_DILATION_FILTER)

Definition at line 377 of file vf_neighbor.c.

Function Documentation

query_formats()

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 53 of file vf_neighbor.c.

erosion()

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

static

Definition at line 80 of file vf_neighbor.c.

Referenced by config_input().

erosion16()

static void erosion16 ( uint8_t *  dstp, const uint8_t *  p1, int  width, int  threshold, const uint8_t *  coordinates[], int  coord, int  maxc  )

static

Definition at line 101 of file vf_neighbor.c.

Referenced by config_input().

dilation()

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

static

Definition at line 123 of file vf_neighbor.c.

Referenced by config_input().

dilation16()

static void dilation16 ( uint8_t *  dstp, const uint8_t *  p1, int  width, int  threshold, const uint8_t *  coordinates[], int  coord, int  maxc  )

static

Definition at line 144 of file vf_neighbor.c.

Referenced by config_input().

deflate()

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

static

Definition at line 166 of file vf_neighbor.c.

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

deflate16()

static void deflate16 ( uint8_t *  dstp, const uint8_t *  p1, int  width, int  threshold, const uint8_t *  coordinates[], int  coord, int  maxc  )

static

Definition at line 182 of file vf_neighbor.c.

Referenced by config_input().

inflate()

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

static

Definition at line 199 of file vf_neighbor.c.

Referenced by config_input(), decode_frame(), decode_idat(), decode_kfrm(), decode_zbuf(), decode_zlib(), flashsv2_prime(), flashsv_decode_block(), main(), png_decode_idat(), and zerocodec_decode_frame().

inflate16()

static void inflate16 ( uint8_t *  dstp, const uint8_t *  p1, int  width, int  threshold, const uint8_t *  coordinates[], int  coord, int  maxc  )

static

Definition at line 215 of file vf_neighbor.c.

Referenced by config_input().

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 232 of file vf_neighbor.c.

filter_slice()

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

static

Definition at line 261 of file vf_neighbor.c.

Referenced by filter_frame().

filter_frame()

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

static

Definition at line 315 of file vf_neighbor.c.

Variable Documentation

neighbor_inputs

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 338 of file vf_neighbor.c.

neighbor_outputs

const AVFilterPad neighbor_outputs[]

static

Initial value:

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

Definition at line 348 of file vf_neighbor.c.

options

const AVOption options[]

static

Initial value:

= {
 
 
 
    { "threshold0",  "set threshold for 1st plane",   OFFSET(threshold[0]),   AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
    { "threshold1",  "set threshold for 2nd plane",   OFFSET(threshold[1]),   AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
    { "threshold2",  "set threshold for 3rd plane",   OFFSET(threshold[2]),   AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
    { "threshold3",  "set threshold for 4th plane",   OFFSET(threshold[3]),   AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
    { NULL }
}

Definition at line 378 of file vf_neighbor.c.