gstreamer/subprojects/gst-plugins-bad/sys/mediafoundation/gstwin32devicewatcher.h
Seungha Yang feb5a5aae6 mfdeviceprovider: Add support for device update
Similar to the wasapi2 plugin, GstWinRT library will be used for UWP,
and adding new GstWin32DeviceWatcher object implementation for
Win32 desktop application.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/947>
2021-09-30 06:13:07 +00:00

53 lines
2 KiB
C

/* GStreamer
* Copyright (C) 2021 Seungha Yang <seungha@centricular.com>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_WIN32_DEVICE_WATCHER_H__
#define __GST_WIN32_DEVICE_WATCHER_H__
#include <gst/gst.h>
#include <windows.h>
G_BEGIN_DECLS
#define GST_TYPE_WIN32_DEVICE_WATCHER (gst_win32_device_watcher_get_type())
G_DECLARE_FINAL_TYPE (GstWin32DeviceWatcher,
gst_win32_device_watcher, GST, WIN32_DEVICE_WATCHER, GstObject);
typedef struct _GstWin32DeviceWatcherCallbacks
{
void (*device_changed) (GstWin32DeviceWatcher * watcher,
WPARAM wparam,
LPARAM lparam,
gpointer user_data);
} GstWin32DeviceWatcherCallbacks;
GstWin32DeviceWatcher * gst_win32_device_watcher_new (DWORD device_type,
const GUID * class_guid,
const GstWin32DeviceWatcherCallbacks * callbacks,
gpointer user_data);
gboolean gst_win32_device_watcher_start (GstWin32DeviceWatcher * watcher);
void gst_win32_device_watcher_stop (GstWin32DeviceWatcher * watcher);
G_END_DECLS
#endif /* __GST_WIN32_DEVICE_WATCHER_H__ */