vf_avgblur_vulkan.c File Reference

#include "libavutil/random_seed.h"
#include "libavutil/opt.h"
#include "vulkan.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	AvgBlurVulkanContext

Macros
#define	CGS   32
#define	OFFSET(x)   offsetof(AvgBlurVulkanContext, x)
#define	FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Functions
static av_cold int	init_filter (AVFilterContext *ctx, AVFrame *in)
static int	process_frames (AVFilterContext *avctx, AVFrame *out_f, AVFrame *tmp_f, AVFrame *in_f)
static int	avgblur_vulkan_filter_frame (AVFilterLink *link, AVFrame *in)
static void	avgblur_vulkan_uninit (AVFilterContext *avctx)
	AVFILTER_DEFINE_CLASS (avgblur_vulkan)

Variables
static const char	blur_kernel []
static const AVOption	avgblur_vulkan_options []
static const AVFilterPad	avgblur_vulkan_inputs []
static const AVFilterPad	avgblur_vulkan_outputs []
AVFilter	ff_vf_avgblur_vulkan

Macro Definition Documentation

CGS

#define CGS   32

Definition at line 24 of file vf_avgblur_vulkan.c.

OFFSET

#define OFFSET

(

x

)

offsetof(AvgBlurVulkanContext, x)

Definition at line 371 of file vf_avgblur_vulkan.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 372 of file vf_avgblur_vulkan.c.

Function Documentation

init_filter()

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

static

Definition at line 70 of file vf_avgblur_vulkan.c.

Referenced by avgblur_vulkan_filter_frame().

process_frames()

static int process_frames ( AVFilterContext *  avctx, AVFrame *  out_f, AVFrame *  tmp_f, AVFrame *  in_f  )

static

Definition at line 202 of file vf_avgblur_vulkan.c.

Referenced by avgblur_vulkan_filter_frame().

avgblur_vulkan_filter_frame()

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

static

Definition at line 321 of file vf_avgblur_vulkan.c.

avgblur_vulkan_uninit()

static void avgblur_vulkan_uninit ( AVFilterContext *  avctx )

static

Definition at line 362 of file vf_avgblur_vulkan.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

avgblur_vulkan

)

Variable Documentation

blur_kernel

const char blur_kernel[]

static

Initial value:

= {
    C(0, shared vec4 cache[DIR(gl_WorkGroupSize) + FILTER_RADIUS*2 + 1];           )
    C(0,                                                                           )
    C(0, void distort(const ivec2 pos, const int idx)                              )
    C(0, {                                                                         )
    C(1,     const uint cp = DIR(gl_LocalInvocationID) + FILTER_RADIUS;            )
    C(0,                                                                           )
    C(1,     cache[cp] = texture(input_img[idx], pos);                             )
    C(0,                                                                           )
    C(1,     const ivec2 loc_l = pos - INC(FILTER_RADIUS);                         )
    C(1,     cache[cp - FILTER_RADIUS] = texture(input_img[idx], loc_l);           )
    C(0,                                                                           )
    C(1,     const ivec2 loc_h = pos + INC(DIR(gl_WorkGroupSize));                 )
    C(1,     cache[cp + DIR(gl_WorkGroupSize)] = texture(input_img[idx], loc_h);   )
    C(0,                                                                           )
    C(1,     barrier();                                                            )
    C(0,                                                                           )
    C(1,     vec4 sum = vec4(0);                                                   )
    C(1,     for (int p = -FILTER_RADIUS; p <= FILTER_RADIUS; p++)                 )
    C(2,         sum += cache[cp + p];                                             )
    C(0,                                                                           )
    C(1,     sum /= vec4(FILTER_RADIUS*2 + 1);                                     )
    C(1,     imageStore(output_img[idx], pos, sum);                                )
    C(0, }                                                                         )
}

Definition at line 44 of file vf_avgblur_vulkan.c.

Referenced by init_filter().

avgblur_vulkan_options

const AVOption avgblur_vulkan_options[]

static

Initial value:

= {
    { "sizeX",  "Set horizontal radius", OFFSET(size_x), AV_OPT_TYPE_INT, {.i64 = 3}, 1, 32, .flags = FLAGS },
    { "planes", "Set planes to filter (bitmask)", OFFSET(planes), AV_OPT_TYPE_INT, {.i64 = 0xF}, 0, 0xF, .flags = FLAGS },
    { "sizeY",  "Set vertical radius", OFFSET(size_y), AV_OPT_TYPE_INT, {.i64 = 3}, 1, 32, .flags = FLAGS },
    { NULL },
}

Definition at line 373 of file vf_avgblur_vulkan.c.

avgblur_vulkan_inputs

const AVFilterPad avgblur_vulkan_inputs[]

static

Initial value:

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

Definition at line 382 of file vf_avgblur_vulkan.c.

avgblur_vulkan_outputs

const AVFilterPad avgblur_vulkan_outputs[]

static

Initial value:

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

Definition at line 392 of file vf_avgblur_vulkan.c.

ff_vf_avgblur_vulkan

AVFilter ff_vf_avgblur_vulkan

Initial value:

= {
    .name           = "avgblur_vulkan",
    .description    = NULL_IF_CONFIG_SMALL("Apply avgblur mask to input video"),
    .priv_size      = sizeof(AvgBlurVulkanContext),
    .init           = &ff_vk_filter_init,
    .uninit         = &avgblur_vulkan_uninit,
    .query_formats  = &ff_vk_filter_query_formats,
    .inputs         = avgblur_vulkan_inputs,
    .outputs        = avgblur_vulkan_outputs,
    .priv_class     = &avgblur_vulkan_class,
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 401 of file vf_avgblur_vulkan.c.