vf_blend_vulkan.c File Reference

#include "libavutil/opt.h"
#include "vulkan_filter.h"
#include "filters.h"
#include "framesync.h"
#include "blend.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	FilterParamsVulkan
struct	BlendVulkanContext

Macros
#define	IN_TOP   0
#define	IN_BOTTOM   1
#define	OFFSET(x)   offsetof(BlendVulkanContext, x)
#define	FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Functions
static int	config_params (AVFilterContext *avctx)
static int	process_command (AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
static av_cold int	init_filter (AVFilterContext *avctx)
static int	blend_frame (FFFrameSync *fs)
static av_cold int	init (AVFilterContext *avctx)
static av_cold void	uninit (AVFilterContext *avctx)
static int	config_props_output (AVFilterLink *outlink)
static int	activate (AVFilterContext *avctx)
	AVFILTER_DEFINE_CLASS (blend_vulkan)

Variables
const unsigned char	ff_blend_comp_spv_data []
const unsigned int	ff_blend_comp_spv_len
static const AVOption	blend_vulkan_options []
static const AVFilterPad	blend_vulkan_inputs []
static const AVFilterPad	blend_vulkan_outputs []
const FFFilter	ff_vf_blend_vulkan

Macro Definition Documentation

IN_TOP

#define IN_TOP   0

Definition at line 35 of file vf_blend_vulkan.c.

IN_BOTTOM

#define IN_BOTTOM   1

Definition at line 36 of file vf_blend_vulkan.c.

OFFSET

#define OFFSET

(

x

)

offsetof(BlendVulkanContext, x)

Definition at line 254 of file vf_blend_vulkan.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 255 of file vf_blend_vulkan.c.

Function Documentation

config_params()

static int config_params ( AVFilterContext *  avctx )

static

Definition at line 58 of file vf_blend_vulkan.c.

Referenced by config_props_output(), init_filter(), and process_command().

process_command()

static int process_command ( AVFilterContext *  ctx, const char *  cmd, const char *  args, char *  res, int  res_len, int  flags  )

static

Definition at line 79 of file vf_blend_vulkan.c.

init_filter()

static av_cold int init_filter ( AVFilterContext *  avctx )

static

Definition at line 89 of file vf_blend_vulkan.c.

Referenced by blend_frame().

blend_frame()

static int blend_frame ( FFFrameSync *  fs )

static

Definition at line 148 of file vf_blend_vulkan.c.

Referenced by init().

init()

static av_cold int init ( AVFilterContext *  avctx )

static

Definition at line 190 of file vf_blend_vulkan.c.

uninit()

static av_cold void uninit ( AVFilterContext *  avctx )

static

Definition at line 199 of file vf_blend_vulkan.c.

config_props_output()

static int config_props_output ( AVFilterLink *  outlink )

static

Definition at line 213 of file vf_blend_vulkan.c.

activate()

static int activate ( AVFilterContext *  avctx )

static

Definition at line 248 of file vf_blend_vulkan.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

blend_vulkan

)

Variable Documentation

ff_blend_comp_spv_data

const unsigned char ff_blend_comp_spv_data[]

Referenced by init_filter().

ff_blend_comp_spv_len

const unsigned int ff_blend_comp_spv_len

Referenced by init_filter().

blend_vulkan_options

const AVOption blend_vulkan_options[]

static

Definition at line 257 of file vf_blend_vulkan.c.

blend_vulkan_inputs

const AVFilterPad blend_vulkan_inputs[]

static

Initial value:

= {
    {
        .name         = "top",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = &ff_vk_filter_config_input,
    },
    {
        .name         = "bottom",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = &ff_vk_filter_config_input,
    },
}

Definition at line 317 of file vf_blend_vulkan.c.

blend_vulkan_outputs

const AVFilterPad blend_vulkan_outputs[]

static

Initial value:

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

Definition at line 331 of file vf_blend_vulkan.c.

ff_vf_blend_vulkan

const FFFilter ff_vf_blend_vulkan

Initial value:

= {
    .p.name          = "blend_vulkan",
    .p.description   = NULL_IF_CONFIG_SMALL("Blend two video frames in Vulkan"),
    .p.priv_class    = &blend_vulkan_class,
    .p.flags         = AVFILTER_FLAG_HWDEVICE,
    .priv_size       = sizeof(BlendVulkanContext),
    .init            = &init,
    .uninit          = &uninit,
    .activate        = &activate,
    FILTER_INPUTS(blend_vulkan_inputs),
    FILTER_OUTPUTS(blend_vulkan_outputs),
    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN),
    .flags_internal  = FF_FILTER_FLAG_HWFRAME_AWARE,
    .process_command = &process_command,
}

Definition at line 339 of file vf_blend_vulkan.c.