FFmpeg
Data Structures | Macros | Functions | Variables
vf_avgblur_vulkan.c File Reference
#include "libavutil/random_seed.h"
#include "libavutil/opt.h"
#include "vulkan_filter.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 []
 
const 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 382 of file vf_avgblur_vulkan.c.

◆ FLAGS

Definition at line 383 of file vf_avgblur_vulkan.c.

Function Documentation

◆ init_filter()

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

Definition at line 71 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 205 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 332 of file vf_avgblur_vulkan.c.

◆ avgblur_vulkan_uninit()

static void avgblur_vulkan_uninit ( AVFilterContext avctx)
static

Definition at line 373 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 45 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 384 of file vf_avgblur_vulkan.c.

◆ avgblur_vulkan_inputs

const AVFilterPad avgblur_vulkan_inputs[]
static
Initial value:
= {
{
.name = "default",
.filter_frame = &avgblur_vulkan_filter_frame,
.config_props = &ff_vk_filter_config_input,
},
}

Definition at line 393 of file vf_avgblur_vulkan.c.

◆ avgblur_vulkan_outputs

const AVFilterPad avgblur_vulkan_outputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = &ff_vk_filter_config_output,
},
}

Definition at line 402 of file vf_avgblur_vulkan.c.

◆ ff_vf_avgblur_vulkan

const 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),
.priv_class = &avgblur_vulkan_class,
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 410 of file vf_avgblur_vulkan.c.

AvgBlurVulkanContext
Definition: vf_avgblur_vulkan.c:26
FLAGS
#define FLAGS
Definition: vf_avgblur_vulkan.c:383
avgblur_vulkan_outputs
static const AVFilterPad avgblur_vulkan_outputs[]
Definition: vf_avgblur_vulkan.c:402
FF_FILTER_FLAG_HWFRAME_AWARE
#define FF_FILTER_FLAG_HWFRAME_AWARE
The filter is aware of hardware frames, and any hardware frame context should not be automatically pr...
Definition: internal.h:370
avgblur_vulkan_inputs
static const AVFilterPad avgblur_vulkan_inputs[]
Definition: vf_avgblur_vulkan.c:393
ff_vk_filter_init
int ff_vk_filter_init(AVFilterContext *avctx)
General lavfi IO functions.
Definition: vulkan_filter.c:184
avgblur_vulkan_uninit
static void avgblur_vulkan_uninit(AVFilterContext *avctx)
Definition: vf_avgblur_vulkan.c:373
AV_PIX_FMT_VULKAN
@ AV_PIX_FMT_VULKAN
Vulkan hardware images.
Definition: pixfmt.h:348
init
static int init
Definition: av_tx.c:47
C
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Definition: writing_filters.txt:58
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition: internal.h:190
NULL
#define NULL
Definition: coverity.c:32
OFFSET
#define OFFSET(x)
Definition: vf_avgblur_vulkan.c:382
ff_vk_filter_config_output
int ff_vk_filter_config_output(AVFilterLink *outlink)
Definition: vulkan_filter.c:133
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:115
for
for(k=2;k<=8;++k)
Definition: h264pred_template.c:425
FILTER_SINGLE_PIXFMT
#define FILTER_SINGLE_PIXFMT(pix_fmt_)
Definition: internal.h:180
planes
static const struct @337 planes[]
pos
unsigned int pos
Definition: spdifenc.c:412
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
avgblur_vulkan_filter_frame
static int avgblur_vulkan_filter_frame(AVFilterLink *link, AVFrame *in)
Definition: vf_avgblur_vulkan.c:332
ff_vk_filter_config_input
int ff_vk_filter_config_input(AVFilterLink *inlink)
Definition: vulkan_filter.c:52
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
FILTER_OUTPUTS
#define FILTER_OUTPUTS(array)
Definition: internal.h:191
uninit
static av_cold int uninit(AVCodecContext *avctx)
Definition: crystalhd.c:285