vf_sharpen_npp.c File Reference

#include <nppi.h>
#include <nppi_filtering_functions.h>
#include "filters.h"
#include "libavutil/pixdesc.h"
#include "libavutil/cuda_check.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_cuda_internal.h"
#include "libavutil/opt.h"

Go to the source code of this file.

Data Structures
struct	NPPSharpenContext

Macros
#define	CHECK_CU(x)   FF_CUDA_CHECK_DL(ctx, device_hwctx->internal->cuda_dl, x)
#define	OFFSET(x)   offsetof(NPPSharpenContext, x)
#define	FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Functions
static int	nppsharpen_init (AVFilterContext *ctx)
static int	nppsharpen_config (AVFilterContext *ctx, int width, int height)
static void	nppsharpen_uninit (AVFilterContext *ctx)
static int	nppsharpen_config_props (AVFilterLink *outlink)
static int	nppsharpen_sharpen (AVFilterContext *ctx, AVFrame *out, AVFrame *in)
static int	nppsharpen_filter_frame (AVFilterLink *link, AVFrame *in)

Variables
static enum AVPixelFormat	supported_formats []
static const AVOption	options []
static const AVClass	nppsharpen_class
static const AVFilterPad	nppsharpen_inputs []
static const AVFilterPad	nppsharpen_outputs []
const AVFilter	ff_vf_sharpen_npp

Detailed Description

NPP sharpen video filter

Definition in file vf_sharpen_npp.c.

Macro Definition Documentation

CHECK_CU

#define CHECK_CU

(

x

)

FF_CUDA_CHECK_DL(ctx, device_hwctx->internal->cuda_dl, x)

Definition at line 35 of file vf_sharpen_npp.c.

OFFSET

#define OFFSET

(

x

)

offsetof(NPPSharpenContext, x)

Definition at line 232 of file vf_sharpen_npp.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 233 of file vf_sharpen_npp.c.

Function Documentation

nppsharpen_init()

static int nppsharpen_init ( AVFilterContext *  ctx )

static

Definition at line 52 of file vf_sharpen_npp.c.

nppsharpen_config()

static int nppsharpen_config ( AVFilterContext *  ctx, int  width, int  height  )

static

Definition at line 72 of file vf_sharpen_npp.c.

Referenced by nppsharpen_config_props().

nppsharpen_uninit()

static void nppsharpen_uninit ( AVFilterContext *  ctx )

static

Definition at line 128 of file vf_sharpen_npp.c.

nppsharpen_config_props()

static int nppsharpen_config_props ( AVFilterLink *  outlink )

static

Definition at line 137 of file vf_sharpen_npp.c.

nppsharpen_sharpen()

static int nppsharpen_sharpen ( AVFilterContext *  ctx, AVFrame *  out, AVFrame *  in  )

static

Definition at line 156 of file vf_sharpen_npp.c.

Referenced by nppsharpen_filter_frame().

nppsharpen_filter_frame()

static int nppsharpen_filter_frame ( AVFilterLink *  link, AVFrame *  in  )

static

Definition at line 180 of file vf_sharpen_npp.c.

Variable Documentation

supported_formats

enum AVPixelFormat supported_formats[]

static

Initial value:

= {
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUV444P,
}

Definition at line 37 of file vf_sharpen_npp.c.

Referenced by nppsharpen_config().

options

const AVOption options[]

static

Initial value:

= {
    { "border_type", "Type of operation to be performed on image border", OFFSET(border_type), AV_OPT_TYPE_INT, { .i64 = NPP_BORDER_REPLICATE }, NPP_BORDER_REPLICATE, NPP_BORDER_REPLICATE, FLAGS, .unit = "border_type" },
    { "replicate", "replicate pixels", 0, AV_OPT_TYPE_CONST, { .i64 = NPP_BORDER_REPLICATE }, 0, 0, FLAGS, .unit = "border_type" },
    {NULL},
}

Definition at line 234 of file vf_sharpen_npp.c.

nppsharpen_class

const AVClass nppsharpen_class

static

Initial value:

= {
    .class_name = "nppsharpen",
    .item_name = av_default_item_name,
    .option = options,
    .version = LIBAVUTIL_VERSION_INT,
}

Definition at line 240 of file vf_sharpen_npp.c.

nppsharpen_inputs

const AVFilterPad nppsharpen_inputs[]

static

Initial value:

= {{
    .name = "default",
    .type = AVMEDIA_TYPE_VIDEO,
    .filter_frame = nppsharpen_filter_frame,
}}

Definition at line 247 of file vf_sharpen_npp.c.

nppsharpen_outputs

const AVFilterPad nppsharpen_outputs[]

static

Initial value:

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

Definition at line 253 of file vf_sharpen_npp.c.

ff_vf_sharpen_npp

const AVFilter ff_vf_sharpen_npp

Initial value:

= {
    .name = "sharpen_npp",
    .description = NULL_IF_CONFIG_SMALL("NVIDIA Performance Primitives video "
                                        "sharpening filter."),
 
    .init = nppsharpen_init,
    .uninit = nppsharpen_uninit,
 
    .priv_size = sizeof(NPPSharpenContext),
    .priv_class = &nppsharpen_class,
 
    FILTER_INPUTS(nppsharpen_inputs),
    FILTER_OUTPUTS(nppsharpen_outputs),
    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_CUDA),
 
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 259 of file vf_sharpen_npp.c.