gstreamer/subprojects/gst-plugins-good/sys/oss/gstossdeviceprovider.h
Matthieu Volat d228b8d96f oss: add a GstDeviceProvider plugin
Based on Alsa's GstDeviceProvider structure, relies on sndstat
file for OSS device enumeration but uses already existing utils
to query caps and names.

Reviewed and thanks to @slomo

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4879>
2023-06-27 09:34:33 +03:00

88 lines
3.4 KiB
C

/* GStreamer
* Copyright (C) 2023 Matthieu Volat <mathieu.volat@ensimag.fr>
*
* ossdeviceprovider.c: OSS 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_OSS_DEVICE_PROVIDER_H__
#define __GST_OSS_DEVICE_PROVIDER_H__
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
G_BEGIN_DECLS
typedef struct _GstOssDeviceProvider GstOssDeviceProvider;
typedef struct _GstOssDeviceProviderClass GstOssDeviceProviderClass;
#define GST_TYPE_OSS_DEVICE_PROVIDER (gst_oss_device_provider_get_type())
#define GST_IS_OSS_DEVICE_PROVIDER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_OSS_DEVICE_PROVIDER))
#define GST_IS_OSS_DEVICE_PROVIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_OSS_DEVICE_PROVIDER))
#define GST_OSS_DEVICE_PROVIDER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_OSS_DEVICE_PROVIDER, GstOssDeviceProviderClass))
#define GST_OSS_DEVICE_PROVIDER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_OSS_DEVICE_PROVIDER, GstOssDeviceProvider))
#define GST_OSS_DEVICE_PROVIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEVICE_PROVIDER, GstOssDeviceProviderClass))
#define GST_OSS_DEVICE_PROVIDER_CAST(obj) ((GstOssDeviceProvider *)(obj))
struct _GstOssDeviceProvider {
GstDeviceProvider parent;
};
struct _GstOssDeviceProviderClass {
GstDeviceProviderClass parent_class;
};
GType gst_oss_device_provider_get_type (void);
typedef struct _GstOssDevice GstOssDevice;
typedef struct _GstOssDeviceClass GstOssDeviceClass;
#define GST_TYPE_OSS_DEVICE (gst_oss_device_get_type())
#define GST_IS_OSS_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_OSS_DEVICE))
#define GST_IS_OSS_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_OSS_DEVICE))
#define GST_OSS_DEVICE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_OSS_DEVICE, GstOssDeviceClass))
#define GST_OSS_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_OSS_DEVICE, GstOssDevice))
#define GST_OSS_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEVICE, GstOssDeviceClass))
#define GST_OSS_DEVICE_CAST(obj) ((GstOssDevice *)(obj))
typedef enum
{
GST_OSS_DEVICE_TYPE_INVALID = 0,
GST_OSS_DEVICE_TYPE_SOURCE,
GST_OSS_DEVICE_TYPE_SINK
} GstOssDeviceType;
struct _GstOssDevice {
GstDevice parent;
gchar *device_path;
const gchar *element;
};
struct _GstOssDeviceClass {
GstDeviceClass parent_class;
};
GType gst_oss_device_get_type (void);
G_END_DECLS
#endif /* __GST_OSS_DEVICE_PROVIDER_H__ */