vf_bilateral_cuda.c File Reference

#include <float.h>
#include <stdio.h>
#include "libavutil/common.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_cuda_internal.h"
#include "libavutil/cuda_check.h"
#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "filters.h"
#include "cuda/load_helper.h"

Go to the source code of this file.

Data Structures
struct	CUDABilateralContext

Macros
#define	DIV_UP(a, b)   ( ((a) + (b) - 1) / (b) )
#define	BLOCKX   32
#define	BLOCKY   16
#define	CHECK_CU(x)   FF_CUDA_CHECK_DL(ctx, s->hwctx->internal->cuda_dl, x)
#define	OFFSET(x)   offsetof(CUDABilateralContext, x)
#define	FLAGS   (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)

Functions
static av_cold int	cudabilateral_init (AVFilterContext *ctx)
static av_cold void	cudabilateral_uninit (AVFilterContext *ctx)
static av_cold int	init_hwframe_ctx (CUDABilateralContext *s, AVBufferRef *device_ctx, int width, int height)
static int	format_is_supported (enum AVPixelFormat fmt)
static av_cold void	set_format_info (AVFilterContext *ctx, enum AVPixelFormat in_format, enum AVPixelFormat out_format)
static av_cold int	init_processing_chain (AVFilterContext *ctx, int width, int height)
static av_cold int	cuda_bilateral_load_functions (AVFilterContext *ctx)
static av_cold int	cuda_bilateral_config_props (AVFilterLink *outlink)
static int	call_cuda_kernel (AVFilterContext *ctx, CUfunction func, CUtexObject src_tex[3], AVFrame *out_frame, int width, int height, int pitch, int width_uv, int height_uv, int pitch_uv, int window_size, float sigmaS, float sigmaR)
static int	cuda_bilateral_process_internal (AVFilterContext *ctx, AVFrame *out, AVFrame *in)
static int	cuda_bilateral_process (AVFilterContext *ctx, AVFrame *out, AVFrame *in)
static int	cuda_bilateral_filter_frame (AVFilterLink *link, AVFrame *in)

Variables
static enum AVPixelFormat	supported_formats []
static const AVOption	options []
static const AVClass	cuda_bilateral_class
static const AVFilterPad	cuda_bilateral_inputs []
static const AVFilterPad	cuda_bilateral_outputs []
const AVFilter	ff_vf_bilateral_cuda

Macro Definition Documentation

DIV_UP

#define DIV_UP	(		a,
			b
	)		( ((a) + (b) - 1) / (b) )

Definition at line 43 of file vf_bilateral_cuda.c.

BLOCKX

#define BLOCKX   32

Definition at line 44 of file vf_bilateral_cuda.c.

BLOCKY

#define BLOCKY   16

Definition at line 45 of file vf_bilateral_cuda.c.

CHECK_CU

#define CHECK_CU

(

x

)

FF_CUDA_CHECK_DL(ctx, s->hwctx->internal->cuda_dl, x)

Definition at line 47 of file vf_bilateral_cuda.c.

OFFSET

#define OFFSET

(

x

)

offsetof(CUDABilateralContext, x)

Definition at line 433 of file vf_bilateral_cuda.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 434 of file vf_bilateral_cuda.c.

Function Documentation

cudabilateral_init()

static av_cold int cudabilateral_init ( AVFilterContext *  ctx )

static

Definition at line 75 of file vf_bilateral_cuda.c.

cudabilateral_uninit()

static av_cold void cudabilateral_uninit ( AVFilterContext *  ctx )

static

Definition at line 90 of file vf_bilateral_cuda.c.

init_hwframe_ctx()

static av_cold int init_hwframe_ctx ( CUDABilateralContext *  s, AVBufferRef *  device_ctx, int  width, int  height  )

static

Definition at line 109 of file vf_bilateral_cuda.c.

Referenced by init_processing_chain().

format_is_supported()

static int format_is_supported ( enum AVPixelFormat  fmt )

static

Definition at line 143 of file vf_bilateral_cuda.c.

Referenced by init_processing_chain().

set_format_info()

static av_cold void set_format_info ( AVFilterContext *  ctx, enum AVPixelFormat  in_format, enum AVPixelFormat  out_format  )

static

Definition at line 153 of file vf_bilateral_cuda.c.

Referenced by init_processing_chain().

init_processing_chain()

static av_cold int init_processing_chain ( AVFilterContext *  ctx, int  width, int  height  )

static

Definition at line 179 of file vf_bilateral_cuda.c.

Referenced by cuda_bilateral_config_props().

cuda_bilateral_load_functions()

static av_cold int cuda_bilateral_load_functions ( AVFilterContext *  ctx )

static

Definition at line 212 of file vf_bilateral_cuda.c.

Referenced by cuda_bilateral_config_props().

cuda_bilateral_config_props()

static av_cold int cuda_bilateral_config_props ( AVFilterLink *  outlink )

static

Definition at line 249 of file vf_bilateral_cuda.c.

call_cuda_kernel()

static int call_cuda_kernel ( AVFilterContext *  ctx, CUfunction  func, CUtexObject  src_tex[3], AVFrame *  out_frame, int  width, int  height, int  pitch, int  width_uv, int  height_uv, int  pitch_uv, int  window_size, float  sigmaS, float  sigmaR  )

static

Definition at line 281 of file vf_bilateral_cuda.c.

Referenced by cuda_bilateral_process_internal().

cuda_bilateral_process_internal()

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

static

Definition at line 312 of file vf_bilateral_cuda.c.

Referenced by cuda_bilateral_process().

cuda_bilateral_process()

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

static

Definition at line 373 of file vf_bilateral_cuda.c.

Referenced by cuda_bilateral_filter_frame().

cuda_bilateral_filter_frame()

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

static

Definition at line 398 of file vf_bilateral_cuda.c.

Variable Documentation

supported_formats

enum AVPixelFormat supported_formats[]

static

Initial value:

= {
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_NV12,
    AV_PIX_FMT_YUV444P
}

Definition at line 37 of file vf_bilateral_cuda.c.

Referenced by format_is_supported().

options

const AVOption options[]

static

Initial value:

= {
    { "sigmaS",      "set spatial sigma",          OFFSET(sigmaS), AV_OPT_TYPE_FLOAT,    {.dbl=0.1}, 0.1, 512, FLAGS },
    { "sigmaR",      "set range sigma",            OFFSET(sigmaR), AV_OPT_TYPE_FLOAT,    {.dbl=0.1}, 0.1, 512, FLAGS },
    { "window_size", "set neighbours window_size", OFFSET(window_size), AV_OPT_TYPE_INT, {.i64=1},   1,   255, FLAGS },
    { NULL }
}

Definition at line 435 of file vf_bilateral_cuda.c.

cuda_bilateral_class

const AVClass cuda_bilateral_class

static

Initial value:

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

Definition at line 442 of file vf_bilateral_cuda.c.

cuda_bilateral_inputs

const AVFilterPad cuda_bilateral_inputs[]

static

Initial value:

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

Definition at line 449 of file vf_bilateral_cuda.c.

cuda_bilateral_outputs

const AVFilterPad cuda_bilateral_outputs[]

static

Initial value:

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

Definition at line 457 of file vf_bilateral_cuda.c.

ff_vf_bilateral_cuda

const AVFilter ff_vf_bilateral_cuda

Initial value:

= {
    .name        = "bilateral_cuda",
    .description = NULL_IF_CONFIG_SMALL("GPU accelerated bilateral filter"),
 
    .init          = cudabilateral_init,
    .uninit        = cudabilateral_uninit,
 
    .priv_size = sizeof(CUDABilateralContext),
    .priv_class = &cuda_bilateral_class,
 
    FILTER_INPUTS(cuda_bilateral_inputs),
    FILTER_OUTPUTS(cuda_bilateral_outputs),
 
    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_CUDA),
 
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 465 of file vf_bilateral_cuda.c.