vf_nlmeans_opencl.c File Reference

#include <float.h>
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/imgutils.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "internal.h"
#include "opencl.h"
#include "opencl_source.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	NLMeansOpenCLContext

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

Functions
static int	is_format_supported (enum AVPixelFormat fmt)
static int	nlmeans_opencl_init (AVFilterContext *avctx, int width, int height)
static int	nlmeans_plane (AVFilterContext *avctx, cl_mem dst, cl_mem src, cl_int width, cl_int height, cl_int p, cl_int r)
static int	nlmeans_opencl_filter_frame (AVFilterLink *inlink, AVFrame *input)
static av_cold void	nlmeans_opencl_uninit (AVFilterContext *avctx)
	AVFILTER_DEFINE_CLASS (nlmeans_opencl)

Variables
static enum AVPixelFormat	supported_formats []
static const AVOption	nlmeans_opencl_options []
static const AVFilterPad	nlmeans_opencl_inputs []
static const AVFilterPad	nlmeans_opencl_outputs []
const AVFilter	ff_vf_nlmeans_opencl

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(NLMeansOpenCLContext, x)

Definition at line 400 of file vf_nlmeans_opencl.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 401 of file vf_nlmeans_opencl.c.

Function Documentation

is_format_supported()

static int is_format_supported ( enum AVPixelFormat  fmt )

static

Definition at line 42 of file vf_nlmeans_opencl.c.

Referenced by nlmeans_opencl_filter_frame().

nlmeans_opencl_init()

static int nlmeans_opencl_init ( AVFilterContext *  avctx, int  width, int  height  )

static

Definition at line 74 of file vf_nlmeans_opencl.c.

Referenced by nlmeans_opencl_filter_frame().

nlmeans_plane()

static int nlmeans_plane ( AVFilterContext *  avctx, cl_mem  dst, cl_mem  src, cl_int  width, cl_int  height, cl_int  p, cl_int  r  )

static

Definition at line 170 of file vf_nlmeans_opencl.c.

Referenced by nlmeans_opencl_filter_frame().

nlmeans_opencl_filter_frame()

static int nlmeans_opencl_filter_frame ( AVFilterLink *  inlink, AVFrame *  input  )

static

Definition at line 286 of file vf_nlmeans_opencl.c.

nlmeans_opencl_uninit()

static av_cold void nlmeans_opencl_uninit ( AVFilterContext *  avctx )

static

Definition at line 380 of file vf_nlmeans_opencl.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

nlmeans_opencl

)

Variable Documentation

supported_formats

enum AVPixelFormat supported_formats[]

static

Initial value:

= {
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUV444P,
    AV_PIX_FMT_GBRP,
}

Definition at line 36 of file vf_nlmeans_opencl.c.

Referenced by is_format_supported().

nlmeans_opencl_options

const AVOption nlmeans_opencl_options[]

static

Initial value:

= {
    { "s",  "denoising strength", OFFSET(sigma), AV_OPT_TYPE_DOUBLE, { .dbl = 1.0 }, 1.0, 30.0, FLAGS },
    { "p",  "patch size",                   OFFSET(patch_size),    AV_OPT_TYPE_INT, { .i64 = 2*3+1 }, 0, 99, FLAGS },
    { "pc", "patch size for chroma planes", OFFSET(patch_size_uv), AV_OPT_TYPE_INT, { .i64 = 0 },     0, 99, FLAGS },
    { "r",  "research window",                   OFFSET(research_size),    AV_OPT_TYPE_INT, { .i64 = 7*2+1 }, 0, 99, FLAGS },
    { "rc", "research window for chroma planes", OFFSET(research_size_uv), AV_OPT_TYPE_INT, { .i64 = 0 },     0, 99, FLAGS },
    { NULL }
}

Definition at line 402 of file vf_nlmeans_opencl.c.

nlmeans_opencl_inputs

const AVFilterPad nlmeans_opencl_inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .filter_frame = &nlmeans_opencl_filter_frame,
        .config_props = &ff_opencl_filter_config_input,
    },
}

Definition at line 413 of file vf_nlmeans_opencl.c.

nlmeans_opencl_outputs

const AVFilterPad nlmeans_opencl_outputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = &ff_opencl_filter_config_output,
    },
}

Definition at line 422 of file vf_nlmeans_opencl.c.

ff_vf_nlmeans_opencl

const AVFilter ff_vf_nlmeans_opencl

Initial value:

= {
    .name           = "nlmeans_opencl",
    .description    = NULL_IF_CONFIG_SMALL("Non-local means denoiser through OpenCL"),
    .priv_size      = sizeof(NLMeansOpenCLContext),
    .priv_class     = &nlmeans_opencl_class,
    .init           = &ff_opencl_filter_init,
    .uninit         = &nlmeans_opencl_uninit,
    FILTER_INPUTS(nlmeans_opencl_inputs),
    FILTER_OUTPUTS(nlmeans_opencl_outputs),
    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_OPENCL),
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 430 of file vf_nlmeans_opencl.c.