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music.h

/* 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.
 *
 * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-1-2-1/engines/draci/music.h $
 * $Id: music.h 45616 2009-11-02 21:54:57Z fingolfin $
 *
 */

// Music class

#ifndef DRACI_MUSIC_H
#define DRACI_MUSIC_H

#include "sound/mididrv.h"
#include "sound/midiparser.h"
#include "common/mutex.h"

namespace Draci {

// Taken from MADE, which took it from SAGA.

00039 class MusicPlayer : public MidiDriver {
public:
      MusicPlayer(MidiDriver *driver, const char *pathMask);
      ~MusicPlayer();

      bool isPlaying() { return _isPlaying; }
      void setPlaying(bool playing) { _isPlaying = playing; }

      void setVolume(int volume);
      int getVolume() { return _masterVolume; }
      void syncVolume();

      void setNativeMT32(bool b) { _nativeMT32 = b; }
      bool hasNativeMT32() { return _nativeMT32; }
      void playSMF(int track, bool loop);
      void stop();
      void pause();
      void resume();
      void setLoop(bool loop) { _looping = loop; }
      void setPassThrough(bool b) { _passThrough = b; }

      void setGM(bool isGM) { _isGM = isGM; }

      // MidiDriver interface implementation
      int open();
      void close();
      void send(uint32 b);

      void metaEvent(byte type, byte *data, uint16 length);

      void setTimerCallback(void *timerParam, void (*timerProc)(void *)) { }
00070       uint32 getBaseTempo() { return _driver ? _driver->getBaseTempo() : 0; }

      //Channel allocation functions
      MidiChannel *allocateChannel() { return 0; }
      MidiChannel *getPercussionChannel() { return 0; }

      MidiParser *_parser;
      Common::Mutex _mutex;

protected:

      static void onTimer(void *data);
      void setChannelVolume(int channel);

      MidiChannel *_channel[16];
      MidiDriver *_driver;
      MidiParser *_smfParser;
      Common::String _pathMask;
      byte _channelVolume[16];
      bool _nativeMT32;
      bool _isGM;
      bool _passThrough;

      bool _isPlaying;
      bool _looping;
      byte _masterVolume;
      int _track;

      byte *_midiMusicData;
};

} // End of namespace Draci

#endif

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