Moved engines to the new engines/ directory

svn-id: r20582

1 files changed, 97 insertions, 0 deletions

diff --git a/engines/scumm/player_mod.h b/engines/scumm/player_mod.h
new file mode 100644
index 0000000000..317bf7fd6e
--- /dev/null
+++ b/engines/scumm/player_mod.h
@@ -0,0 +1,97 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001  Ludvig Strigeus
+ * Copyright (C) 2001-2006 The ScummVM project
+ *
+ * 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef PLAYER_MOD_H
+#define PLAYER_MOD_H
+
+#include "scumm/scumm.h"
+#include "sound/audiostream.h"
+
+namespace Audio {
+	class RateConverter;
+}
+
+namespace Scumm {
+
+/**
+ * Generic Amiga MOD mixer - provides a 60Hz 'update' routine.
+ */
+class Player_MOD : public AudioStream {
+public:
+	Player_MOD(ScummEngine *scumm);
+	virtual ~Player_MOD();
+	virtual void setMusicVolume(int vol);
+
+	virtual void startChannel(int id, void *data, int size, int rate, uint8 vol, int loopStart = 0, int loopEnd = 0, int8 pan = 0);
+	virtual void stopChannel(int id);
+	virtual void setChannelVol(int id, uint8 vol);
+	virtual void setChannelPan(int id, int8 pan);
+	virtual void setChannelFreq(int id, int freq);
+
+	typedef void ModUpdateProc(void *param);
+
+	virtual void setUpdateProc(ModUpdateProc *proc, void *param, int freq);
+	virtual void clearUpdateProc();
+
+	// AudioStream API
+	int readBuffer(int16 *buffer, const int numSamples) {
+		do_mix(buffer, numSamples / 2);
+		return numSamples;
+	}
+	bool isStereo() const { return true; }
+	bool endOfData() const { return false; }
+	int getRate() const { return _samplerate; }
+
+private:
+	enum {
+		MOD_MAXCHANS = 24
+	};
+
+	struct soundChan {
+		int id;
+		uint8 vol;
+		int8 pan;
+		uint16 freq;
+		Audio::RateConverter *converter;
+		AudioStream *input;
+	};
+
+	Audio::Mixer *_mixer;
+
+	uint32 _mixamt;
+	uint32 _mixpos;
+	int _samplerate;
+
+	soundChan _channels[MOD_MAXCHANS];
+
+	uint8 _maxvol;
+
+	virtual void do_mix(int16 *buf, uint len);
+
+	ModUpdateProc *_playproc;
+	void *_playparam;
+};
+
+} // End of namespace Scumm
+
+#endif