vf_gblur_vulkan.c File Reference

#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "vulkan_filter.h"
#include "filters.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	GBlurVulkanContext

Macros
#define	GBLUR_MAX_KERNEL_SIZE   127
#define	OFFSET(x)   offsetof(GBlurVulkanContext, x)
#define	FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Functions
static float	gaussian (float sigma, float x)
static float	gaussian_simpson_integration (float sigma, float a, float b)
static void	init_gaussian_kernel (float *kernel, float sigma, float kernel_size)
static void	init_kernel_size (void *log_ctx, int *out_size)
static av_cold void	init_gaussian_params (AVFilterContext *ctx)
static int	init_gblur_pipeline (GBlurVulkanContext *s, FFVulkanShader *shd, FFVkBuffer *params_buf, int ksize, float sigma)
static av_cold int	init_filter (AVFilterContext *ctx, AVFrame *in)
static av_cold void	gblur_vulkan_uninit (AVFilterContext *avctx)
static int	gblur_vulkan_filter_frame (AVFilterLink *link, AVFrame *in)
	AVFILTER_DEFINE_CLASS (gblur_vulkan)

Variables
const unsigned char	ff_gblur_comp_spv_data []
const unsigned int	ff_gblur_comp_spv_len
static const AVOption	gblur_vulkan_options []
static const AVFilterPad	gblur_vulkan_inputs []
static const AVFilterPad	gblur_vulkan_outputs []
const FFFilter	ff_vf_gblur_vulkan

Macro Definition Documentation

GBLUR_MAX_KERNEL_SIZE

#define GBLUR_MAX_KERNEL_SIZE   127

Definition at line 29 of file vf_gblur_vulkan.c.

OFFSET

#define OFFSET

(

x

)

offsetof(GBlurVulkanContext, x)

Definition at line 259 of file vf_gblur_vulkan.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 260 of file vf_gblur_vulkan.c.

Function Documentation

gaussian()

static float gaussian ( float  sigma, float  x  )

inlinestatic

Definition at line 53 of file vf_gblur_vulkan.c.

Referenced by gaussian_simpson_integration().

gaussian_simpson_integration()

static float gaussian_simpson_integration ( float  sigma, float  a, float  b  )

inlinestatic

Definition at line 59 of file vf_gblur_vulkan.c.

Referenced by init_gaussian_kernel().

init_gaussian_kernel()

static void init_gaussian_kernel ( float *  kernel, float  sigma, float  kernel_size  )

static

Definition at line 65 of file vf_gblur_vulkan.c.

Referenced by init_gblur_pipeline().

init_kernel_size()

static void init_kernel_size ( void *  log_ctx, int *  out_size  )

inlinestatic

Definition at line 85 of file vf_gblur_vulkan.c.

Referenced by init_gaussian_params().

init_gaussian_params()

static av_cold void init_gaussian_params ( AVFilterContext *  ctx )

static

Definition at line 97 of file vf_gblur_vulkan.c.

Referenced by init_filter().

init_gblur_pipeline()

static int init_gblur_pipeline ( GBlurVulkanContext *  s, FFVulkanShader *  shd, FFVkBuffer *  params_buf, int  ksize, float  sigma  )

static

Definition at line 111 of file vf_gblur_vulkan.c.

Referenced by init_filter().

init_filter()

static av_cold int init_filter ( AVFilterContext *  ctx, AVFrame *  in  )

static

Definition at line 149 of file vf_gblur_vulkan.c.

Referenced by gblur_vulkan_filter_frame().

gblur_vulkan_uninit()

static av_cold void gblur_vulkan_uninit ( AVFilterContext *  avctx )

static

Definition at line 198 of file vf_gblur_vulkan.c.

gblur_vulkan_filter_frame()

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

static

Definition at line 214 of file vf_gblur_vulkan.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

gblur_vulkan

)

Variable Documentation

ff_gblur_comp_spv_data

const unsigned char ff_gblur_comp_spv_data[]

Referenced by init_gblur_pipeline().

ff_gblur_comp_spv_len

const unsigned int ff_gblur_comp_spv_len

Referenced by init_gblur_pipeline().

gblur_vulkan_options

const AVOption gblur_vulkan_options[]

static

Initial value:

= {
    { "sigma",  "Set sigma",                OFFSET(sigma),  AV_OPT_TYPE_FLOAT, { .dbl = 0.5 }, 0.01, 1024.0,                FLAGS },
    { "sigmaV", "Set vertical sigma",       OFFSET(sigmaV), AV_OPT_TYPE_FLOAT, { .dbl = 0   }, 0.0,  1024.0,                FLAGS },
    { "planes", "Set planes to filter",     OFFSET(planes), AV_OPT_TYPE_INT,   { .i64 = 0xF }, 0,    0xF,                   FLAGS },
    { "size",   "Set kernel size",          OFFSET(size),   AV_OPT_TYPE_INT,   { .i64 = 19  }, 1,    GBLUR_MAX_KERNEL_SIZE, FLAGS },
    { "sizeV",  "Set vertical kernel size", OFFSET(sizeV),  AV_OPT_TYPE_INT,   { .i64 = 0   }, 0,    GBLUR_MAX_KERNEL_SIZE, FLAGS },
    { NULL },
}

Definition at line 261 of file vf_gblur_vulkan.c.

gblur_vulkan_inputs

const AVFilterPad gblur_vulkan_inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .filter_frame = &gblur_vulkan_filter_frame,
        .config_props = &ff_vk_filter_config_input,
    }
}

Definition at line 272 of file vf_gblur_vulkan.c.

gblur_vulkan_outputs

const AVFilterPad gblur_vulkan_outputs[]

static

Initial value:

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

Definition at line 281 of file vf_gblur_vulkan.c.

ff_vf_gblur_vulkan

const FFFilter ff_vf_gblur_vulkan

Initial value:

= {
    .p.name         = "gblur_vulkan",
    .p.description  = NULL_IF_CONFIG_SMALL("Gaussian Blur in Vulkan"),
    .p.priv_class   = &gblur_vulkan_class,
    .p.flags        = AVFILTER_FLAG_HWDEVICE,
    .priv_size      = sizeof(GBlurVulkanContext),
    .init           = &ff_vk_filter_init,
    .uninit         = &gblur_vulkan_uninit,
    FILTER_INPUTS(gblur_vulkan_inputs),
    FILTER_OUTPUTS(gblur_vulkan_outputs),
    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN),
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 289 of file vf_gblur_vulkan.c.