| /* GStreamer |
| * Copyright (C) 2012 Olivier Crete <olivier.crete@collabora.com> |
| * |
| * gstdeviceprovider.h: 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_DEVICE_PROVIDER_H__ |
| #define __GST_DEVICE_PROVIDER_H__ |
| |
| #include <gst/gstelement.h> |
| |
| G_BEGIN_DECLS |
| |
| typedef struct _GstDeviceProvider GstDeviceProvider; |
| typedef struct _GstDeviceProviderClass GstDeviceProviderClass; |
| typedef struct _GstDeviceProviderPrivate GstDeviceProviderPrivate; |
| |
| #include <gst/gstdeviceproviderfactory.h> |
| |
| #define GST_TYPE_DEVICE_PROVIDER (gst_device_provider_get_type()) |
| #define GST_IS_DEVICE_PROVIDER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEVICE_PROVIDER)) |
| #define GST_IS_DEVICE_PROVIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEVICE_PROVIDER)) |
| #define GST_DEVICE_PROVIDER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEVICE_PROVIDER, GstDeviceProviderClass)) |
| #define GST_DEVICE_PROVIDER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEVICE_PROVIDER, GstDeviceProvider)) |
| #define GST_DEVICE_PROVIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEVICE_PROVIDER, GstDeviceProviderClass)) |
| #define GST_DEVICE_PROVIDER_CAST(obj) ((GstDeviceProvider *)(obj)) |
| |
| |
| /** |
| * GstDeviceProvider: |
| * @parent: The parent #GstObject |
| * @devices: a #GList of the #GstDevice objects |
| * |
| * The structure of the base #GstDeviceProvider |
| * |
| * Since: 1.4 |
| */ |
| struct _GstDeviceProvider { |
| GstObject parent; |
| |
| /* Protected by the Object lock */ |
| GList *devices; |
| |
| /*< private >*/ |
| |
| GstDeviceProviderPrivate *priv; |
| |
| gpointer _gst_reserved[GST_PADDING]; |
| }; |
| |
| /** |
| * GstDeviceProviderClass: |
| * @parent_class: the parent #GstObjectClass structure |
| * @factory: a pointer to the #GstDeviceProviderFactory that creates this |
| * provider |
| * @probe: Returns a list of devices that are currently available. |
| * This should never block. |
| * @start: Starts monitoring for new devices. Only subclasses that can know |
| * that devices have been added or remove need to implement this method. |
| * @stop: Stops monitoring for new devices. Only subclasses that implement |
| * the start() method need to implement this method. |
| * |
| * The structure of the base #GstDeviceProviderClass |
| * |
| * Since: 1.4 |
| */ |
| |
| struct _GstDeviceProviderClass { |
| GstObjectClass parent_class; |
| |
| GstDeviceProviderFactory *factory; |
| |
| GList* (*probe) (GstDeviceProvider * provider); |
| |
| gboolean (*start) (GstDeviceProvider * provider); |
| void (*stop) (GstDeviceProvider * provider); |
| |
| /*< private >*/ |
| gpointer metadata; |
| |
| /*< private >*/ |
| gpointer _gst_reserved[GST_PADDING]; |
| }; |
| |
| GType gst_device_provider_get_type (void); |
| |
| |
| GList * gst_device_provider_get_devices (GstDeviceProvider * provider); |
| |
| gboolean gst_device_provider_start (GstDeviceProvider * provider); |
| void gst_device_provider_stop (GstDeviceProvider * provider); |
| |
| gboolean gst_device_provider_can_monitor (GstDeviceProvider * provider); |
| |
| GstBus * gst_device_provider_get_bus (GstDeviceProvider * provider); |
| |
| void gst_device_provider_device_add (GstDeviceProvider * provider, |
| GstDevice * device); |
| void gst_device_provider_device_remove (GstDeviceProvider * provider, |
| GstDevice * device); |
| |
| gchar ** gst_device_provider_get_hidden_providers (GstDeviceProvider * provider); |
| void gst_device_provider_hide_provider (GstDeviceProvider * provider, |
| const gchar * name); |
| void gst_device_provider_unhide_provider (GstDeviceProvider * provider, |
| const gchar * name); |
| |
| |
| /* device provider class meta data */ |
| void gst_device_provider_class_set_metadata (GstDeviceProviderClass *klass, |
| const gchar *longname, |
| const gchar *classification, |
| const gchar *description, |
| const gchar *author); |
| void gst_device_provider_class_set_static_metadata (GstDeviceProviderClass *klass, |
| const gchar *longname, |
| const gchar *classification, |
| const gchar *description, |
| const gchar *author); |
| void gst_device_provider_class_add_metadata (GstDeviceProviderClass * klass, |
| const gchar * key, const gchar * value); |
| void gst_device_provider_class_add_static_metadata (GstDeviceProviderClass * klass, |
| const gchar * key, const gchar * value); |
| const gchar * gst_device_provider_class_get_metadata (GstDeviceProviderClass * klass, |
| const gchar * key); |
| |
| /* factory management */ |
| GstDeviceProviderFactory * gst_device_provider_get_factory (GstDeviceProvider * provider); |
| |
| G_END_DECLS |
| |
| #endif /* __GST_DEVICE_PROVIDER_H__ */ |