FFmpeg
Data Structures | Macros | Functions | Variables
vf_avgblur_vulkan.c File Reference
#include "libavutil/random_seed.h"
#include "libavutil/vulkan_spirv.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  AvgBlurVulkanContext
 

Macros

#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 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

◆ OFFSET

#define OFFSET (   x)    offsetof(AvgBlurVulkanContext, x)

Definition at line 217 of file vf_avgblur_vulkan.c.

◆ FLAGS

Definition at line 218 of file vf_avgblur_vulkan.c.

Function Documentation

◆ init_filter()

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

Definition at line 61 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 165 of file vf_avgblur_vulkan.c.

◆ avgblur_vulkan_uninit()

static void avgblur_vulkan_uninit ( AVFilterContext avctx)
static

Definition at line 199 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, void distort(const ivec2 pos, const int idx) )
C(0, { )
C(1, vec4 sum = vec4(0); )
C(1, for (int y = -filter_len.y; y <= filter_len.y; y++) )
C(1, for (int x = -filter_len.x; x <= filter_len.x; x++) )
C(2, sum += texture(input_img[idx], pos + ivec2(x, y)); )
C(0, )
C(1, imageStore(output_img[idx], pos, sum * filter_norm); )
C(0, } )
}

Definition at line 49 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 },
{ "sizeY", "Set vertical radius", OFFSET(size_y), 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 },
{ NULL },
}

Definition at line 219 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 228 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 237 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 245 of file vf_avgblur_vulkan.c.

AvgBlurVulkanContext
Definition: vf_avgblur_vulkan.c:29
FLAGS
#define FLAGS
Definition: vf_avgblur_vulkan.c:218
avgblur_vulkan_outputs
static const AVFilterPad avgblur_vulkan_outputs[]
Definition: vf_avgblur_vulkan.c:237
avgblur_vulkan_inputs
static const AVFilterPad avgblur_vulkan_inputs[]
Definition: vf_avgblur_vulkan.c:228
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition: filters.h:262
ff_vk_filter_init
int ff_vk_filter_init(AVFilterContext *avctx)
General lavfi IO functions.
Definition: vulkan_filter.c:233
avgblur_vulkan_uninit
static void avgblur_vulkan_uninit(AVFilterContext *avctx)
Definition: vf_avgblur_vulkan.c:199
AV_PIX_FMT_VULKAN
@ AV_PIX_FMT_VULKAN
Vulkan hardware images.
Definition: pixfmt.h:379
C
s EdgeDetect Foobar g libavfilter vf_edgedetect c libavfilter vf_foobar c edit libavfilter and add an entry for foobar following the pattern of the other filters edit libavfilter allfilters and add an entry for foobar following the pattern of the other filters configure make j< whatever > ffmpeg ffmpeg i you should get a foobar png with Lena edge detected That s your new playground is ready Some little details about what s going which in turn will define variables for the build system and the C
Definition: writing_filters.txt:58
FILTER_OUTPUTS
#define FILTER_OUTPUTS(array)
Definition: filters.h:263
planes
static const struct @465 planes[]
NULL
#define NULL
Definition: coverity.c:32
OFFSET
#define OFFSET(x)
Definition: vf_avgblur_vulkan.c:217
ff_vk_filter_config_output
int ff_vk_filter_config_output(AVFilterLink *outlink)
Definition: vulkan_filter.c:209
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: filters.h:206
init
int(* init)(AVBSFContext *ctx)
Definition: dts2pts.c:368
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:94
for
for(k=2;k<=8;++k)
Definition: h264pred_template.c:425
AVFILTER_FLAG_HWDEVICE
#define AVFILTER_FLAG_HWDEVICE
The filter can create hardware frames using AVFilterContext.hw_device_ctx.
Definition: avfilter.h:173
uninit
static void uninit(AVBSFContext *ctx)
Definition: pcm_rechunk.c:68
pos
unsigned int pos
Definition: spdifenc.c:414
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Underlying C type is int.
Definition: opt.h:259
avgblur_vulkan_filter_frame
static int avgblur_vulkan_filter_frame(AVFilterLink *link, AVFrame *in)
Definition: vf_avgblur_vulkan.c:165
ff_vk_filter_config_input
int ff_vk_filter_config_input(AVFilterLink *inlink)
Definition: vulkan_filter.c:176
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
FILTER_SINGLE_PIXFMT
#define FILTER_SINGLE_PIXFMT(pix_fmt_)
Definition: filters.h:252