gstreamer/ext/rsvg/gstrsvgoverlay.h

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/* GStreamer
* Copyright (C) 2010 Olivier Aubert <olivier.aubert@liris.cnrs.fr>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_RSVG_OVERLAY_H__
#define __GST_RSVG_OVERLAY_H__
#include <librsvg/rsvg.h>
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/gstvideofilter.h>
#include <gst/base/gstadapter.h>
G_BEGIN_DECLS
#define GST_TYPE_RSVG_OVERLAY (gst_rsvg_overlay_get_type())
#define GST_RSVG_OVERLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RSVG_OVERLAY,GstRsvgOverlay))
#define GST_RSVG_OVERLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RSVG_OVERLAY,GstRsvgOverlayClass))
#define GST_IS_RSVG_OVERLAY(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RSVG_OVERLAY))
#define GST_IS_RSVG_OVERLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RSVG_OVERLAY))
typedef struct _GstRsvgOverlay GstRsvgOverlay;
typedef struct _GstRsvgOverlayClass GstRsvgOverlayClass;
/**
* GstRsvgOverlay:
*
* Opaque object data structure.
*/
struct _GstRsvgOverlay
{
GstVideoFilter element;
/* < private > */
GMutex rsvg_lock;
RsvgHandle *handle;
/* width and height of the SVG data */
int svg_width;
int svg_height;
int x_offset;
int y_offset;
float x_relative;
float y_relative;
int width;
int height;
float width_relative;
float height_relative;
GstPad *data_sinkpad;
GstAdapter *adapter;
};
struct _GstRsvgOverlayClass
{
GstVideoFilterClass parent_class;
};
GType gst_rsvg_overlay_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (rsvgoverlay);
G_END_DECLS
#endif /* __GST_RSVG_OVERLAY_H__ */