vf_overlay_opencl.c File Reference

#include "libavutil/log.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "framesync.h"
#include "internal.h"
#include "opencl.h"
#include "opencl_source.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	OverlayOpenCLContext

Macros
#define	OFFSET(x)   offsetof(OverlayOpenCLContext, x)
#define	FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Functions
static int	overlay_opencl_load (AVFilterContext *avctx, enum AVPixelFormat main_format, enum AVPixelFormat overlay_format)
static int	overlay_opencl_blend (FFFrameSync *fs)
static int	overlay_opencl_config_output (AVFilterLink *outlink)
static av_cold int	overlay_opencl_init (AVFilterContext *avctx)
static int	overlay_opencl_activate (AVFilterContext *avctx)
static av_cold void	overlay_opencl_uninit (AVFilterContext *avctx)
	AVFILTER_DEFINE_CLASS (overlay_opencl)

Variables
static const AVOption	overlay_opencl_options []
static const AVFilterPad	overlay_opencl_inputs []
static const AVFilterPad	overlay_opencl_outputs []
AVFilter	ff_vf_overlay_opencl

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(OverlayOpenCLContext, x)

Definition at line 310 of file vf_overlay_opencl.c.

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 311 of file vf_overlay_opencl.c.

Function Documentation

static int overlay_opencl_load ( AVFilterContext *  avctx, enum AVPixelFormat  main_format, enum AVPixelFormat  overlay_format  )

static

Definition at line 49 of file vf_overlay_opencl.c.

Referenced by overlay_opencl_blend().

static int overlay_opencl_blend ( FFFrameSync *  fs )

static

Definition at line 128 of file vf_overlay_opencl.c.

Referenced by overlay_opencl_init().

static int overlay_opencl_config_output ( AVFilterLink *  outlink )

static

Definition at line 253 of file vf_overlay_opencl.c.

static av_cold int overlay_opencl_init ( AVFilterContext *  avctx )

static

Definition at line 270 of file vf_overlay_opencl.c.

static int overlay_opencl_activate ( AVFilterContext *  avctx )

static

Definition at line 279 of file vf_overlay_opencl.c.

static av_cold void overlay_opencl_uninit ( AVFilterContext *  avctx )

static

Definition at line 286 of file vf_overlay_opencl.c.

AVFILTER_DEFINE_CLASS

(

overlay_opencl

)

Variable Documentation

const AVOption overlay_opencl_options[]

static

Initial value:

= {
    { "x", "Overlay x position",
      OFFSET(x_position), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, .flags = FLAGS },
    { "y", "Overlay y position",
      OFFSET(y_position), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, .flags = FLAGS },
    { NULL },
}

Definition at line 312 of file vf_overlay_opencl.c.

const AVFilterPad overlay_opencl_inputs[]

static

Initial value:

= {
    {
        .name         = "main",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = &ff_opencl_filter_config_input,
    },
    {
        .name         = "overlay",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = &ff_opencl_filter_config_input,
    },
    { NULL }
}

Definition at line 322 of file vf_overlay_opencl.c.

const AVFilterPad overlay_opencl_outputs[]

static

Initial value:

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

Definition at line 336 of file vf_overlay_opencl.c.

AVFilter ff_vf_overlay_opencl

Initial value:

= {
    .name            = "overlay_opencl",
    .description     = NULL_IF_CONFIG_SMALL("Overlay one video on top of another"),
    .priv_size       = sizeof(OverlayOpenCLContext),
    .priv_class      = &overlay_opencl_class,
    .init            = &overlay_opencl_init,
    .uninit          = &overlay_opencl_uninit,
    .query_formats   = &ff_opencl_filter_query_formats,
    .activate        = &overlay_opencl_activate,
    .inputs          = overlay_opencl_inputs,
    .outputs         = overlay_opencl_outputs,
    .flags_internal  = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 345 of file vf_overlay_opencl.c.