1 /* GStreamer 2 * Copyright (C) 2021 Seungha Yang <seungha@centricular.com> 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public 15 * License along with this library; if not, write to the 16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef __GST_WIN32_DEVICE_WATCHER_H__ 21 #define __GST_WIN32_DEVICE_WATCHER_H__ 22 23 #include <gst/gst.h> 24 #include <windows.h> 25 26 G_BEGIN_DECLS 27 28 #define GST_TYPE_WIN32_DEVICE_WATCHER (gst_win32_device_watcher_get_type()) 29 G_DECLARE_FINAL_TYPE (GstWin32DeviceWatcher, 30 gst_win32_device_watcher, GST, WIN32_DEVICE_WATCHER, GstObject); 31 32 typedef struct _GstWin32DeviceWatcherCallbacks 33 { 34 void (*device_changed) (GstWin32DeviceWatcher * watcher, 35 WPARAM wparam, 36 LPARAM lparam, 37 gpointer user_data); 38 39 } GstWin32DeviceWatcherCallbacks; 40 41 GstWin32DeviceWatcher * gst_win32_device_watcher_new (DWORD device_type, 42 const GUID * class_guid, 43 const GstWin32DeviceWatcherCallbacks * callbacks, 44 gpointer user_data); 45 46 gboolean gst_win32_device_watcher_start (GstWin32DeviceWatcher * watcher); 47 48 void gst_win32_device_watcher_stop (GstWin32DeviceWatcher * watcher); 49 50 G_END_DECLS 51 52 #endif /* __GST_WIN32_DEVICE_WATCHER_H__ */ 53