Initial commit

audio/null.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef AUDIO_NULL_H
+#define AUDIO_NULL_H
+
+#include "audio/musicplugin.h"
+#include "audio/mpu401.h"
+
+/* NULL driver */
+class MidiDriver_NULL : public MidiDriver_MPU401 {
+public:
+	int open() { return 0; }
+ 	bool isOpen() const { return true; }
+	void send(uint32 b) { }
+};
+
+
+// Plugin interface
+
+class NullMusicPlugin : public MusicPluginObject {
+public:
+	virtual const char *getName() const;
+
+	virtual const char *getId() const {
+		return "null";
+	}
+
+	virtual MusicDevices getDevices() const;
+	Common::Error createInstance(MidiDriver **mididriver, MidiDriver::DeviceHandle = 0) const;
+};
+
+#endif