1 files changed, 91 insertions, 0 deletions
diff --git a/engines/sherlock/scalpel/drivers/mididriver.h b/engines/sherlock/scalpel/drivers/mididriver.h
new file mode 100644
index 0000000000..f1366f8ebc
--- /dev/null
+++ b/engines/sherlock/scalpel/drivers/mididriver.h
@@ -0,0 +1,91 @@
+/* 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 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 SHERLOCK_SOFTSEQ_MIDIDRIVER_H
+#define SHERLOCK_SOFTSEQ_MIDIDRIVER_H
+
+#include "sherlock/sherlock.h"
+//#include "audio/mididrv.h"
+#include "common/error.h"
+
+namespace Sherlock {
+
+#define USE_SCI_MIDIPLAYER 1
+
+#if USE_SCI_MIDIPLAYER
+enum {
+	MIDI_CHANNELS = 16,
+	MIDI_PROP_MASTER_VOLUME = 0
+};
+
+#define MIDI_RHYTHM_CHANNEL 9
+
+class MidiPlayer : public MidiDriver_BASE {
+protected:
+	MidiDriver *_driver;
+	int8 _reverb;
+
+public:
+	MidiPlayer() : _driver(0), _reverb(-1) { }
+
+	virtual int open() { return _driver->open(); }
+	virtual void close() { _driver->close(); }
+	virtual void send(uint32 b) { _driver->send(b); }
+	virtual uint32 getBaseTempo() { return _driver->getBaseTempo(); }
+	virtual bool hasRhythmChannel() const = 0;
+	virtual void setTimerCallback(void *timer_param, Common::TimerManager::TimerProc timer_proc) { _driver->setTimerCallback(timer_param, timer_proc); }
+
+	virtual byte getPlayId() const = 0;
+	virtual int getPolyphony() const = 0;
+	virtual int getFirstChannel() const { return 0; }
+	//virtual int getLastChannel() const { return 15; }
+
+	virtual void setVolume(byte volume) {
+		if(_driver)
+			_driver->property(MIDI_PROP_MASTER_VOLUME, volume);
+	}
+
+	virtual int getVolume() {
+		return _driver ? _driver->property(MIDI_PROP_MASTER_VOLUME, 0xffff) : 0;
+	}
+
+	// Returns the current reverb, or -1 when no reverb is active
+	int8 getReverb() const { return _reverb; }
+	// Sets the current reverb, used mainly in MT-32
+	virtual void setReverb(int8 reverb) { _reverb = reverb; }
+
+	// Special stuff for Sherlock Holmes
+//	virtual void newMusicData(byte *musicData, int32 musicDataSize);
+
+//protected:
+};
+
+extern MidiPlayer *MidiPlayer_AdLib_create();
+extern void MidiPlayer_AdLib_newMusicData(MidiPlayer *driver, byte *musicData, int32 musicDataSize);
+#endif
+
+extern MidiDriver *MidiDriver_AdLib_create();
+extern void MidiDriver_AdLib_newMusicData(MidiDriver *driver, byte *musicData, int32 musicDataSize);
+
+} // End of namespace Sci
+
+#endif // SHERLOCK_SOFTSEQ_MIDIDRIVER_H