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e4e85fc88a
Also add GstDevice and GstDeviceMonitorFactory And add code to the registry to save them https://bugzilla.gnome.org/show_bug.cgi?id=678402
130 lines
5.2 KiB
C
130 lines
5.2 KiB
C
/* GStreamer
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* Copyright (C) 2012 Olivier Crete <olivier.crete@collabora.com>
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*
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* gstdevicemonitor.h: Device probing and monitoring
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <gst/gstdevicemonitorfactory.h>
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#ifndef __GST_DEVICE_MONITOR_H__
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#define __GST_DEVICE_MONITOR_H__
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#include <gst/gstelement.h>
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G_BEGIN_DECLS
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typedef struct _GstDeviceMonitor GstDeviceMonitor;
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typedef struct _GstDeviceMonitorClass GstDeviceMonitorClass;
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typedef struct _GstDeviceMonitorPrivate GstDeviceMonitorPrivate;
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#define GST_TYPE_DEVICE_MONITOR (gst_device_monitor_get_type())
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#define GST_IS_DEVICE_MONITOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEVICE_MONITOR))
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#define GST_IS_DEVICE_MONITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEVICE_MONITOR))
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#define GST_DEVICE_MONITOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEVICE_MONITOR, GstDeviceMonitorClass))
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#define GST_DEVICE_MONITOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEVICE_MONITOR, GstDeviceMonitor))
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#define GST_DEVICE_MONITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEVICE_MONITOR, GstDeviceMonitorClass))
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#define GST_DEVICE_MONITOR_CAST(obj) ((GstDeviceMonitor *)(obj))
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struct _GstDeviceMonitor {
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GstObject parent;
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/*< private >*/
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/* Protected by the Object lock */
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GList *devices;
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GstDeviceMonitorPrivate *priv;
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gpointer _gst_reserved[GST_PADDING];
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};
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/**
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* GstDeviceMonitorClass:
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* @factory: a pointer to the #GstDeviceMonitorFactory that creates this
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* monitor
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* @get_devices: Returns a list of devices that are currently available.
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* This should never block.
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* @start: Starts monitoring for new devices.
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* @stop: Stops monitoring for new devices
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*
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* The structure of the base #GstDeviceMonitorClass
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*
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* Since: 1.4
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*/
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struct _GstDeviceMonitorClass {
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GstObjectClass parent_class;
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GstDeviceMonitorFactory *factory;
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GList* (*probe) (GstDeviceMonitor * monitor);
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gboolean (*start) (GstDeviceMonitor * monitor);
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void (*stop) (GstDeviceMonitor * monitor);
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gpointer metadata;
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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GType gst_device_monitor_get_type (void);
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GList * gst_device_monitor_get_devices (GstDeviceMonitor * monitor);
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gboolean gst_device_monitor_start (GstDeviceMonitor * monitor);
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void gst_device_monitor_stop (GstDeviceMonitor * monitor);
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gboolean gst_device_monitor_can_monitor (GstDeviceMonitor * monitor);
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GstBus * gst_device_monitor_get_bus (GstDeviceMonitor * monitor);
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void gst_device_monitor_device_add (GstDeviceMonitor * monitor,
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GstDevice * device);
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void gst_device_monitor_device_remove (GstDeviceMonitor * monitor,
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GstDevice * device);
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/* device monitor class meta data */
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void gst_device_monitor_class_set_metadata (GstDeviceMonitorClass *klass,
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const gchar *longname,
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const gchar *classification,
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const gchar *description,
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const gchar *author);
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void gst_device_monitor_class_set_static_metadata (GstDeviceMonitorClass *klass,
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const gchar *longname,
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const gchar *classification,
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const gchar *description,
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const gchar *author);
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void gst_device_monitor_class_add_metadata (GstDeviceMonitorClass * klass,
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const gchar * key, const gchar * value);
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void gst_device_monitor_class_add_static_metadata (GstDeviceMonitorClass * klass,
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const gchar * key, const gchar * value);
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const gchar * gst_device_monitor_class_get_metadata (GstDeviceMonitorClass * klass,
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const gchar * key);
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/* factory management */
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GstDeviceMonitorFactory * gst_device_monitor_get_factory (GstDeviceMonitor * monitor);
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G_END_DECLS
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#endif /* __GST_DEVICE_MONITOR_H__ */
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