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vf_colorkey_opencl.c File Reference
#include "libavutil/opt.h"
#include "avfilter.h"
#include "filters.h"
#include "opencl.h"
#include "opencl_source.h"
#include "video.h"

Go to the source code of this file.

Data Structures

struct  ColorkeyOpenCLContext
 

Macros

#define OFFSET(x)
 
#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
 

Functions

static int colorkey_opencl_init (AVFilterContext *avctx)
 
static int filter_frame (AVFilterLink *link, AVFrame *input_frame)
 
static av_cold void colorkey_opencl_uninit (AVFilterContext *avctx)
 
 AVFILTER_DEFINE_CLASS (colorkey_opencl)
 

Variables

static const AVFilterPad colorkey_opencl_inputs []
 
static const AVFilterPad colorkey_opencl_outputs []
 
static const AVOption colorkey_opencl_options []
 
const FFFilter ff_vf_colorkey_opencl
 

Macro Definition Documentation

◆ OFFSET

#define OFFSET ( x)
Value:

Definition at line 217 of file vf_colorkey_opencl.c.

◆ FLAGS

Definition at line 218 of file vf_colorkey_opencl.c.

Function Documentation

◆ colorkey_opencl_init()

static int colorkey_opencl_init ( AVFilterContext * avctx)
static

Definition at line 47 of file vf_colorkey_opencl.c.

Referenced by filter_frame().

◆ filter_frame()

static int filter_frame ( AVFilterLink * link,
AVFrame * input_frame )
static

Definition at line 89 of file vf_colorkey_opencl.c.

◆ colorkey_opencl_uninit()

static av_cold void colorkey_opencl_uninit ( AVFilterContext * avctx)
static

Definition at line 178 of file vf_colorkey_opencl.c.

◆ AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS ( colorkey_opencl )

Variable Documentation

◆ colorkey_opencl_inputs

const AVFilterPad colorkey_opencl_inputs[]
static
Initial value:
= {
{
.name = "default",
.filter_frame = filter_frame,
},
}
static int filter_frame(DBEDecodeContext *s, AVFrame *frame)
Definition dolby_e.c:1067
@ AVMEDIA_TYPE_VIDEO
Definition avutil.h:200
int ff_opencl_filter_config_input(AVFilterLink *inlink)
Check that the input link contains a suitable hardware frames context and extract the device from it.
Definition opencl.c:46

Definition at line 200 of file vf_colorkey_opencl.c.

◆ colorkey_opencl_outputs

const AVFilterPad colorkey_opencl_outputs[]
static
Initial value:
= {
{
.name = "default",
},
}
int ff_opencl_filter_config_output(AVFilterLink *outlink)
Create a suitable hardware frames context for the output.
Definition opencl.c:83

Definition at line 209 of file vf_colorkey_opencl.c.

◆ colorkey_opencl_options

const AVOption colorkey_opencl_options[]
static
Initial value:
= {
{ "color", "set the colorkey key color", OFFSET(colorkey_rgba), AV_OPT_TYPE_COLOR, { .str = "black" }, 0, 0, FLAGS },
{ "similarity", "set the colorkey similarity value", OFFSET(similarity), AV_OPT_TYPE_FLOAT, { .dbl = 0.01 }, 0.01, 1.0, FLAGS },
{ "blend", "set the colorkey key blend value", OFFSET(blend), AV_OPT_TYPE_FLOAT, { .dbl = 0.0 }, 0.0, 1.0, FLAGS },
{ NULL }
}
#define FLAGS
Definition cmdutils.c:598
#define NULL
Definition coverity.c:32
#define OFFSET(x)
@ AV_OPT_TYPE_FLOAT
Underlying C type is float.
Definition opt.h:270
@ AV_OPT_TYPE_COLOR
Underlying C type is uint8_t[4].
Definition opt.h:322

Definition at line 220 of file vf_colorkey_opencl.c.

◆ ff_vf_colorkey_opencl

const FFFilter ff_vf_colorkey_opencl
Initial value:
= {
.p.name = "colorkey_opencl",
.p.description = NULL_IF_CONFIG_SMALL("Turns a certain color into transparency. Operates on RGB colors."),
.p.priv_class = &colorkey_opencl_class,
.priv_size = sizeof(ColorkeyOpenCLContext),
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}
int(* init)(AVBSFContext *ctx)
Definition dts2pts.c:608
#define AVFILTER_FLAG_HWDEVICE
The filter can create hardware frames using AVFilterContext.hw_device_ctx.
Definition avfilter.h:187
static av_cold void uninit(AVBitStreamFilterContext *ctx)
#define FILTER_INPUTS(array)
Definition filters.h:264
#define FILTER_OUTPUTS(array)
Definition filters.h:265
#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:208
#define FILTER_SINGLE_PIXFMT(pix_fmt_)
Definition filters.h:254
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition internal.h:88
int ff_opencl_filter_init(AVFilterContext *avctx)
Initialise an OpenCL filter context.
Definition opencl.c:135
@ AV_PIX_FMT_OPENCL
Hardware surfaces for OpenCL.
Definition pixfmt.h:358
static av_cold void colorkey_opencl_uninit(AVFilterContext *avctx)
static const AVFilterPad colorkey_opencl_inputs[]
static const AVFilterPad colorkey_opencl_outputs[]

Definition at line 229 of file vf_colorkey_opencl.c.