mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-23 18:21:04 +00:00
106 lines
3.4 KiB
C
106 lines
3.4 KiB
C
/* GStreamer
|
|
* Copyright (C) 2012 Olivier Crete <olivier.crete@collabora.com>
|
|
*
|
|
* gstdevice.c: Device discovery
|
|
*
|
|
* 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_H__
|
|
#define __GST_DEVICE_H__
|
|
|
|
typedef struct _GstDevice GstDevice;
|
|
typedef struct _GstDeviceClass GstDeviceClass;
|
|
|
|
#include <gst/gstelement.h>
|
|
#include <gst/gstcaps.h>
|
|
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
typedef struct _GstDevicePrivate GstDevicePrivate;
|
|
|
|
#define GST_TYPE_DEVICE (gst_device_get_type())
|
|
#define GST_IS_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEVICE))
|
|
#define GST_IS_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEVICE))
|
|
#define GST_DEVICE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEVICE, GstDeviceClass))
|
|
#define GST_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEVICE, GstDevice))
|
|
#define GST_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEVICE, GstDeviceClass))
|
|
#define GST_DEVICE_CAST(obj) ((GstDevice *)(obj))
|
|
|
|
/**
|
|
* GstDevice:
|
|
* @parent: The parent #GstObject strucuture.
|
|
*
|
|
* A device object.
|
|
*
|
|
* Since: 1.4
|
|
*/
|
|
|
|
struct _GstDevice {
|
|
GstObject parent;
|
|
|
|
/*< private >*/
|
|
GstDevicePrivate *priv;
|
|
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
};
|
|
|
|
/**
|
|
* GstDeviceClass:
|
|
* @parent_class: The parent #GstObjectClass strucuture.
|
|
* @create_element: Creates the fully configured element to access this device.
|
|
* Subclasses need to override this and return a new element.
|
|
* @reconfigure_element: This only needs to be implemented by subclasses if the
|
|
* element can be reconfigured to use a different device. See the documentation
|
|
* for gst_device_reconfigure_element().
|
|
*
|
|
* The class structure for a #GstDevice object.
|
|
*
|
|
* Since: 1.4
|
|
*/
|
|
|
|
struct _GstDeviceClass {
|
|
GstObjectClass parent_class;
|
|
|
|
GstElement * (*create_element) (GstDevice * device, const gchar * name);
|
|
gboolean (*reconfigure_element) (GstDevice * device, GstElement * element);
|
|
|
|
/*< private >*/
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
};
|
|
|
|
GType gst_device_get_type (void);
|
|
|
|
GstElement * gst_device_create_element (GstDevice * device, const gchar * name);
|
|
|
|
GstCaps * gst_device_get_caps (GstDevice * device);
|
|
gchar * gst_device_get_display_name (GstDevice * device);
|
|
gchar * gst_device_get_device_class (GstDevice * device);
|
|
gboolean gst_device_reconfigure_element (GstDevice * device,
|
|
GstElement * element);
|
|
|
|
gboolean gst_device_has_classesv (GstDevice * device,
|
|
gchar ** classes);
|
|
|
|
gboolean gst_device_has_classes (GstDevice * device,
|
|
const gchar * classes);
|
|
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_DEVICE_H__ */
|