output/wasapi: move to separate directory

src/output/plugins/wasapi/WasapiOutputPlugin.hxx

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2020-2021 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_WASAPI_OUTPUT_PLUGIN_HXX
+#define MPD_WASAPI_OUTPUT_PLUGIN_HXX
+
+#include "output/Features.h"
+
+#include "output/OutputAPI.hxx"
+#include "util/Compiler.h"
+#include "win32/ComPtr.hxx"
+
+#include <audioclient.h>
+#include <mmdeviceapi.h>
+
+extern const struct AudioOutputPlugin wasapi_output_plugin;
+
+class WasapiOutput;
+
+gcc_pure WasapiOutput &wasapi_output_downcast(AudioOutput &output) noexcept;
+
+gcc_pure bool wasapi_is_exclusive(WasapiOutput &output) noexcept;
+
+gcc_pure IMMDevice *wasapi_output_get_device(WasapiOutput &output) noexcept;
+
+gcc_pure IAudioClient *wasapi_output_get_client(WasapiOutput &output) noexcept;
+
+#endif