vf_xfade_vulkan.c File Reference

#include "libavutil/avassert.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	XFadeParameters
struct	XFadeVulkanContext

Macros
#define	IN_A   0
#define	IN_B   1
#define	IN_NB   2
#define	OFFSET(x)
#define	FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Enumerations
enum	XFadeTransitions {   FADE , WIPELEFT , WIPERIGHT , WIPEUP ,   WIPEDOWN , SLIDEDOWN , SLIDEUP , SLIDELEFT ,   SLIDERIGHT , CIRCLEOPEN , CIRCLECLOSE , DISSOLVE ,   PIXELIZE , WIPETL , WIPETR , WIPEBL ,   WIPEBR , NB_TRANSITIONS }

Functions
static av_cold int	init_vulkan (AVFilterContext *avctx)
static int	xfade_frame (AVFilterContext *avctx, AVFrame *frame_a, AVFrame *frame_b)
static int	config_props_output (AVFilterLink *outlink)
static int	forward_frame (XFadeVulkanContext *s, AVFilterLink *inlink, AVFilterLink *outlink)
static int	activate (AVFilterContext *avctx)
static av_cold void	uninit (AVFilterContext *avctx)
static AVFrame *	get_video_buffer (AVFilterLink *inlink, int w, int h)
	AVFILTER_DEFINE_CLASS (xfade_vulkan)

Variables
const unsigned char	ff_xfade_comp_spv_data []
const unsigned int	ff_xfade_comp_spv_len
static const AVOption	xfade_vulkan_options []
static const AVFilterPad	xfade_vulkan_inputs []
static const AVFilterPad	xfade_vulkan_outputs []
const FFFilter	ff_vf_xfade_vulkan

Macro Definition Documentation

IN_A

#define IN_A   0

Definition at line 26 of file vf_xfade_vulkan.c.

Referenced by activate(), and config_props_output().

IN_B

#define IN_B   1

Definition at line 27 of file vf_xfade_vulkan.c.

Referenced by activate(), and config_props_output().

IN_NB

#define IN_NB   2

Definition at line 28 of file vf_xfade_vulkan.c.

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(XFadeVulkanContext, x)

Definition at line 389 of file vf_xfade_vulkan.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 390 of file vf_xfade_vulkan.c.

Enumeration Type Documentation

XFadeTransitions

enum XFadeTransitions

Enumerator
FADE
WIPELEFT
WIPERIGHT
WIPEUP
WIPEDOWN
SLIDEDOWN
SLIDEUP
SLIDELEFT
SLIDERIGHT
CIRCLEOPEN
CIRCLECLOSE
DISSOLVE
PIXELIZE
WIPETL
WIPETR
WIPEBL
WIPEBR
NB_TRANSITIONS

Definition at line 70 of file vf_xfade_vulkan.c.

Function Documentation

init_vulkan()

static av_cold int init_vulkan ( AVFilterContext * avctx )

static

Definition at line 91 of file vf_xfade_vulkan.c.

Referenced by xfade_frame().

xfade_frame()

static int xfade_frame ( AVFilterContext * avctx, AVFrame * frame_a, AVFrame * frame_b )

static

Definition at line 148 of file vf_xfade_vulkan.c.

Referenced by activate().

config_props_output()

static int config_props_output ( AVFilterLink * outlink )

static

Definition at line 189 of file vf_xfade_vulkan.c.

forward_frame()

static int forward_frame ( XFadeVulkanContext * s, AVFilterLink * inlink, AVFilterLink * outlink )

static

Definition at line 232 of file vf_xfade_vulkan.c.

Referenced by activate().

activate()

static int activate ( AVFilterContext * avctx )

static

Definition at line 270 of file vf_xfade_vulkan.c.

uninit()

static av_cold void uninit ( AVFilterContext * avctx )

static

Definition at line 362 of file vf_xfade_vulkan.c.

get_video_buffer()

static AVFrame * get_video_buffer ( AVFilterLink * inlink, int w, int h )

static

Definition at line 380 of file vf_xfade_vulkan.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

xfade_vulkan

)

Variable Documentation

ff_xfade_comp_spv_data

const unsigned char ff_xfade_comp_spv_data[]

extern

Referenced by init_vulkan().

ff_xfade_comp_spv_len

const unsigned int ff_xfade_comp_spv_len

extern

Referenced by init_vulkan().

xfade_vulkan_options

const AVOption xfade_vulkan_options[]

static

Initial value:

= {
    { "transition", "set cross fade transition", OFFSET(transition), AV_OPT_TYPE_INT, {.i64=FADE}, 0, NB_TRANSITIONS-1, FLAGS, .unit = "transition" },
        { "fade", "fade transition", 0, AV_OPT_TYPE_CONST, {.i64=FADE}, 0, 0, FLAGS, .unit = "transition" },
        { "wipeleft", "wipe left transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPELEFT}, 0, 0, FLAGS, .unit = "transition" },
        { "wiperight", "wipe right transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPERIGHT}, 0, 0, FLAGS, .unit = "transition" },
        { "wipeup", "wipe up transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPEUP}, 0, 0, FLAGS, .unit = "transition" },
        { "wipedown", "wipe down transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPEDOWN}, 0, 0, FLAGS, .unit = "transition" },
        { "slidedown", "slide down transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDEDOWN}, 0, 0, FLAGS, .unit = "transition" },
        { "slideup", "slide up transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDEUP}, 0, 0, FLAGS, .unit = "transition" },
        { "slideleft", "slide left transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDELEFT}, 0, 0, FLAGS, .unit = "transition" },
        { "slideright", "slide right transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDERIGHT}, 0, 0, FLAGS, .unit = "transition" },
        { "circleopen", "circleopen transition", 0, AV_OPT_TYPE_CONST, {.i64=CIRCLEOPEN}, 0, 0, FLAGS, .unit = "transition" },
        { "circleclose", "circleclose transition", 0, AV_OPT_TYPE_CONST, {.i64=CIRCLECLOSE}, 0, 0, FLAGS, .unit = "transition" },
        { "dissolve", "dissolve transition", 0, AV_OPT_TYPE_CONST, {.i64=DISSOLVE}, 0, 0, FLAGS, .unit = "transition" },
        { "pixelize", "pixelize transition", 0, AV_OPT_TYPE_CONST, {.i64=PIXELIZE}, 0, 0, FLAGS, .unit = "transition" },
        { "wipetl", "wipe top left transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPETL}, 0, 0, FLAGS, .unit = "transition" },
        { "wipetr", "wipe top right transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPETR}, 0, 0, FLAGS, .unit = "transition" },
        { "wipebl", "wipe bottom left transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPEBL}, 0, 0, FLAGS, .unit = "transition" },
        { "wipebr", "wipe bottom right transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPEBR}, 0, 0, FLAGS, .unit = "transition" },
    { "duration", "set cross fade duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64=1000000}, 0, 60000000, FLAGS },
    { "offset",   "set cross fade start relative to first input stream", OFFSET(offset), AV_OPT_TYPE_DURATION, {.i64=0}, INT64_MIN, INT64_MAX, FLAGS },
    { NULL }
}

Definition at line 392 of file vf_xfade_vulkan.c.

xfade_vulkan_inputs

const AVFilterPad xfade_vulkan_inputs[]

static

Initial value:

= {
    {
        .name             = "main",
        .type             = AVMEDIA_TYPE_VIDEO,
        .get_buffer.video = &get_video_buffer,
        .config_props     = &ff_vk_filter_config_input,
    },
    {
        .name             = "xfade",
        .type             = AVMEDIA_TYPE_VIDEO,
        .get_buffer.video = &get_video_buffer,
        .config_props     = &ff_vk_filter_config_input,
    },
}

Definition at line 418 of file vf_xfade_vulkan.c.

xfade_vulkan_outputs

const AVFilterPad xfade_vulkan_outputs[]

static

Initial value:

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

Definition at line 433 of file vf_xfade_vulkan.c.

ff_vf_xfade_vulkan

const FFFilter ff_vf_xfade_vulkan

Initial value:

= {
    .p.name          = "xfade_vulkan",
    .p.description   = NULL_IF_CONFIG_SMALL("Cross fade one video with another video."),
    .p.priv_class    = &xfade_vulkan_class,
    .p.flags         = AVFILTER_FLAG_HWDEVICE,
    .priv_size       = sizeof(XFadeVulkanContext),
    .init            = &ff_vk_filter_init,
    .uninit          = &uninit,
    .activate        = &activate,
    FILTER_INPUTS(xfade_vulkan_inputs),
    FILTER_OUTPUTS(xfade_vulkan_outputs),
    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN),
    .flags_internal  = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 441 of file vf_xfade_vulkan.c.