gstreamer/sys/v4l2/gstv4l2videooverlay.h
2012-11-04 00:07:18 +00:00

69 lines
3.2 KiB
C

/* GStreamer
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
* 2006 Edgard Lima <edgard.lima@indt.org.br>
*
* gstv4l2videooverlay.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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_V4L2_VIDEO_OVERLAY_H__
#define __GST_V4L2_VIDEO_OVERLAY_H__
#include <X11/X.h>
#include <gst/gst.h>
#include <gst/video/navigation.h>
#include <gst/video/gstvideosink.h> /* for GstVideoRectange */
#include <gst/video/videooverlay.h>
#include "gstv4l2object.h"
G_BEGIN_DECLS
void gst_v4l2_video_overlay_start (GstV4l2Object *v4l2object);
void gst_v4l2_video_overlay_stop (GstV4l2Object *v4l2object);
gboolean gst_v4l2_video_overlay_get_render_rect (GstV4l2Object *v4l2object,
GstVideoRectangle *rect);
void gst_v4l2_video_overlay_interface_init (GstVideoOverlayInterface * iface);
void gst_v4l2_video_overlay_set_window_handle (GstV4l2Object * v4l2object,
guintptr id);
void gst_v4l2_video_overlay_prepare_window_handle (GstV4l2Object * v4l2object,
gboolean required);
#define GST_IMPLEMENT_V4L2_VIDEO_OVERLAY_METHODS(Type, interface_as_function) \
\
static void \
interface_as_function ## _video_overlay_set_window_handle (GstVideoOverlay * overlay, \
guintptr id) \
{ \
Type *this = (Type*) overlay; \
gst_v4l2_video_overlay_set_window_handle (this->v4l2object, id); \
} \
\
static void \
interface_as_function ## _video_overlay_interface_init (GstVideoOverlayInterface * iface) \
{ \
/* default virtual functions */ \
iface->set_window_handle = interface_as_function ## _video_overlay_set_window_handle; \
\
gst_v4l2_video_overlay_interface_init (iface); \
} \
#endif /* __GST_V4L2_VIDEO_OVERLAY_H__ */