Initial commit

engines/m4/platform/sound/midi.h

@@ -0,0 +1,82 @@
+
+/* 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 M4_SOUND_PLATFORM_MIDI_H
+#define M4_SOUND_PLATFORM_MIDI_H
+
+#include "m4/m4_types.h"
+
+#include "audio/mididrv_ms.h"
+#include "audio/midiparser.h"
+
+namespace M4 {
+namespace Sound {
+
+class Midi {
+private:
+	static int _midiEndTrigger;
+
+	Common::Mutex _mutex;
+
+	MusicType _deviceType;
+
+	MidiDriver_Multisource *_driver;
+	MidiParser *_midiParser;
+	byte *_midiData;
+
+	bool _paused;
+
+protected:
+	static void onTimer(void *data);
+
+public:
+	Midi();
+	~Midi();
+
+	int open();
+
+	void load(byte *in, int32 size);
+	void play();
+	void pause(bool pause);
+	void stop();
+	bool isPlaying();
+	void startFade(uint16 duration, uint16 targetVolume);
+	bool isFading();
+
+	void syncSoundSettings();
+
+	void midi_play(const char *name, int volume, bool loop, int trigger, int roomNum);
+	void task();
+	void loop();
+	void midi_fade_volume(int targetVolume, int duration);
+};
+
+} // namespace Sound
+
+void midi_play(const char *name, int volume, bool loop, int trigger, int roomNum);
+void midi_loop();
+void midi_stop();
+void midi_fade_volume(int targetVolume, int duration);
+
+} // namespace M4
+
+#endif