FFmpeg
Data Structures | Macros | Functions | Variables
vf_scdet_vulkan.c File Reference
#include "libavutil/avassert.h"
#include "libavutil/vulkan_spirv.h"
#include "libavutil/opt.h"
#include "libavutil/timestamp.h"
#include "vulkan_filter.h"
#include "filters.h"

Go to the source code of this file.

Data Structures

struct  SceneDetectVulkanContext
 
struct  SceneDetectBuf
 

Macros

#define SLICES   16
 
#define OFFSET(x)   offsetof(SceneDetectVulkanContext, x)
 
#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
 

Functions

static av_cold int init_filter (AVFilterContext *ctx)
 
static double evaluate (AVFilterContext *ctx, const SceneDetectBuf *buf)
 
static int scdet_vulkan_filter_frame (AVFilterLink *link, AVFrame *in)
 
static void scdet_vulkan_uninit (AVFilterContext *avctx)
 
 AVFILTER_DEFINE_CLASS (scdet_vulkan)
 

Variables

static const AVOption scdet_vulkan_options []
 
static const AVFilterPad scdet_vulkan_inputs []
 
static const AVFilterPad scdet_vulkan_outputs []
 
const FFFilter ff_vf_scdet_vulkan
 

Macro Definition Documentation

◆ SLICES

#define SLICES   16

Definition at line 48 of file vf_scdet_vulkan.c.

◆ OFFSET

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

Definition at line 371 of file vf_scdet_vulkan.c.

◆ FLAGS

Definition at line 372 of file vf_scdet_vulkan.c.

Function Documentation

◆ init_filter()

static av_cold int init_filter ( AVFilterContext ctx)
static

Definition at line 52 of file vf_scdet_vulkan.c.

Referenced by scdet_vulkan_filter_frame().

◆ evaluate()

static double evaluate ( AVFilterContext ctx,
const SceneDetectBuf buf 
)
static

Definition at line 156 of file vf_scdet_vulkan.c.

◆ scdet_vulkan_filter_frame()

static int scdet_vulkan_filter_frame ( AVFilterLink link,
AVFrame in 
)
static

Definition at line 177 of file vf_scdet_vulkan.c.

◆ scdet_vulkan_uninit()

static void scdet_vulkan_uninit ( AVFilterContext avctx)
static

Definition at line 353 of file vf_scdet_vulkan.c.

◆ AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS ( scdet_vulkan  )

Variable Documentation

◆ scdet_vulkan_options

const AVOption scdet_vulkan_options[]
static
Initial value:
= {
{ "threshold", "set scene change detect threshold", OFFSET(threshold), AV_OPT_TYPE_DOUBLE, {.dbl = 10.}, 0, 100., FLAGS },
{ "t", "set scene change detect threshold", OFFSET(threshold), AV_OPT_TYPE_DOUBLE, {.dbl = 10.}, 0, 100., FLAGS },
{ "sc_pass", "Set the flag to pass scene change frames", OFFSET(sc_pass), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, FLAGS },
{ "s", "Set the flag to pass scene change frames", OFFSET(sc_pass), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, FLAGS },
{ NULL }
}

Definition at line 373 of file vf_scdet_vulkan.c.

◆ scdet_vulkan_inputs

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

Definition at line 383 of file vf_scdet_vulkan.c.

◆ scdet_vulkan_outputs

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

Definition at line 392 of file vf_scdet_vulkan.c.

◆ ff_vf_scdet_vulkan

const FFFilter ff_vf_scdet_vulkan
Initial value:
= {
.p.name = "scdet_vulkan",
.p.description = NULL_IF_CONFIG_SMALL("Detect video scene change"),
.p.priv_class = &scdet_vulkan_class,
.priv_size = sizeof(SceneDetectVulkanContext),
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 400 of file vf_scdet_vulkan.c.

scdet_vulkan_uninit
static void scdet_vulkan_uninit(AVFilterContext *avctx)
Definition: vf_scdet_vulkan.c:353
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
AV_PIX_FMT_VULKAN
@ AV_PIX_FMT_VULKAN
Vulkan hardware images.
Definition: pixfmt.h:379
scdet_vulkan_filter_frame
static int scdet_vulkan_filter_frame(AVFilterLink *link, AVFrame *in)
Definition: vf_scdet_vulkan.c:177
AV_OPT_TYPE_DOUBLE
@ AV_OPT_TYPE_DOUBLE
Underlying C type is double.
Definition: opt.h:267
FILTER_OUTPUTS
#define FILTER_OUTPUTS(array)
Definition: filters.h:263
NULL
#define NULL
Definition: coverity.c:32
FLAGS
#define FLAGS
Definition: vf_scdet_vulkan.c:372
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
AVFILTER_FLAG_HWDEVICE
#define AVFILTER_FLAG_HWDEVICE
The filter can create hardware frames using AVFilterContext.hw_device_ctx.
Definition: avfilter.h:183
OFFSET
#define OFFSET(x)
Definition: vf_scdet_vulkan.c:371
uninit
static void uninit(AVBSFContext *ctx)
Definition: pcm_rechunk.c:68
SceneDetectVulkanContext
Definition: vf_scdet_vulkan.c:29
scdet_vulkan_outputs
static const AVFilterPad scdet_vulkan_outputs[]
Definition: vf_scdet_vulkan.c:392
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:200
AV_OPT_TYPE_BOOL
@ AV_OPT_TYPE_BOOL
Underlying C type is int.
Definition: opt.h:327
FILTER_SINGLE_PIXFMT
#define FILTER_SINGLE_PIXFMT(pix_fmt_)
Definition: filters.h:252
scdet_vulkan_inputs
static const AVFilterPad scdet_vulkan_inputs[]
Definition: vf_scdet_vulkan.c:383