gstreamer/sys/v4l2/gstv4l2xoverlay.h

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/* G-Streamer generic V4L2 element - X overlay interface implementation
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
* Copyright (C) 2006 Edgard Lima <edgard.lima@indt.org.br>
*
* gstv4l2xoverlay.h: tv mixer interface implementation for V4L2
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_V4L2_X_OVERLAY_H__
#define __GST_V4L2_X_OVERLAY_H__
#include <X11/X.h>
#include <gst/gst.h>
#include <gst/interfaces/xoverlay.h>
#include "gstv4l2object.h"
G_BEGIN_DECLS
void gst_v4l2_xoverlay_start (GstV4l2Object *v4l2object);
void gst_v4l2_xoverlay_stop (GstV4l2Object *v4l2object);
extern void
gst_v4l2_xoverlay_interface_init (GstXOverlayClass * klass);
#define GST_IMPLEMENT_V4L2_XOVERLAY_METHODS(Type, interface_as_function) \
\
static void \
interface_as_function ## _xoverlay_set_xwindow_id (GstXOverlay * xoverlay, \
XID xwindow_id) \
{ \
Type *this = (Type*) xoverlay; \
gst_v4l2_xoverlay_set_xwindow_id (this->v4l2object, xwindow_id); \
} \
\
static void \
interface_as_function ## _xoverlay_interface_init (GstXOverlayClass * klass) \
{ \
/* default virtual functions */ \
klass->set_xwindow_id = interface_as_function ## _xoverlay_set_xwindow_id; \
\
gst_v4l2_xoverlay_interface_init(GstXOverlayClass * klass); \
} \
\
#endif /* __GST_V4L2_X_OVERLAY_H__ */