gstreamer/sys/v4l2/gstv4l2devicemonitor.h

101 lines
3.7 KiB
C

/* GStreamer
* Copyright (C) 2012 Olivier Crete <olivier.crete@collabora.com>
*
* gstv4l2devicemonitor.h: V4l2 device probing and monitoring
*
* 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_DEVICE_MONITOR_H__
#define __GST_V4L2_DEVICE_MONITOR_H__
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#ifdef HAVE_GUDEV
#include <gudev/gudev.h>
#endif
G_BEGIN_DECLS
typedef struct _GstV4l2DeviceMonitor GstV4l2DeviceMonitor;
typedef struct _GstV4l2DeviceMonitorPrivate GstV4l2DeviceMonitorPrivate;
typedef struct _GstV4l2DeviceMonitorClass GstV4l2DeviceMonitorClass;
#define GST_TYPE_V4L2_DEVICE_MONITOR (gst_v4l2_device_monitor_get_type())
#define GST_IS_V4L2_DEVICE_MONITOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2_DEVICE_MONITOR))
#define GST_IS_V4L2_DEVICE_MONITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_V4L2_DEVICE_MONITOR))
#define GST_V4L2_DEVICE_MONITOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_V4L2_DEVICE_MONITOR, GstV4l2DeviceMonitorClass))
#define GST_V4L2_DEVICE_MONITOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2_DEVICE_MONITOR, GstV4l2DeviceMonitor))
#define GST_V4L2_DEVICE_MONITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEVICE_MONITOR, GstV4l2DeviceMonitorClass))
#define GST_V4L2_DEVICE_MONITOR_CAST(obj) ((GstV4l2DeviceMonitor *)(obj))
struct _GstV4l2DeviceMonitor {
GstDeviceMonitor parent;
#ifdef HAVE_GUDEV
GMainContext *context;
GMainLoop *loop;
GThread *thread;
gboolean started;
GCond started_cond;
#endif
};
typedef enum {
GST_V4L2_DEVICE_TYPE_INVALID = 0,
GST_V4L2_DEVICE_TYPE_SOURCE,
GST_V4L2_DEVICE_TYPE_SINK
} GstV4l2DeviceType;
struct _GstV4l2DeviceMonitorClass {
GstDeviceMonitorClass parent_class;
};
GType gst_v4l2_device_monitor_get_type (void);
typedef struct _GstV4l2Device GstV4l2Device;
typedef struct _GstV4l2DevicePrivate GstV4l2DevicePrivate;
typedef struct _GstV4l2DeviceClass GstV4l2DeviceClass;
#define GST_TYPE_V4L2_DEVICE (gst_v4l2_device_get_type())
#define GST_IS_V4L2_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2_DEVICE))
#define GST_IS_V4L2_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_V4L2_DEVICE))
#define GST_V4L2_DEVICE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_V4L2_DEVICE, GstV4l2DeviceClass))
#define GST_V4L2_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2_DEVICE, GstV4l2Device))
#define GST_V4L2_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEVICE, GstV4l2DeviceClass))
#define GST_V4L2_DEVICE_CAST(obj) ((GstV4l2Device *)(obj))
struct _GstV4l2Device {
GstDevice parent;
gchar *device_path;
gchar *syspath;
const gchar *element;
};
struct _GstV4l2DeviceClass {
GstDeviceClass parent_class;
};
GType gst_v4l2_device_get_type (void);
#endif /* __GST_V4L2_DEVICE_MONITOR_H__ */