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81 lines
2.0 KiB
C++
81 lines
2.0 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2006 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#ifndef PARALLACTION_MUSIC_H
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#define PARALLACTION_MUSIC_H
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#include "common/util.h"
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#include "common/mutex.h"
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#include "sound/mididrv.h"
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class MidiParser;
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namespace Parallaction {
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class MidiPlayer : public MidiDriver {
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public:
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enum {
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NUM_CHANNELS = 16
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};
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MidiPlayer(MidiDriver *driver);
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~MidiPlayer();
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void play(const char *filename);
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void stop();
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void updateTimer();
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void adjustVolume(int diff);
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void setVolume(int volume);
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int getVolume() const { return _masterVolume; }
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void setLooping(bool loop) { _isLooping = loop; }
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// MidiDriver interface
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int open();
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void close();
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void send(uint32 b);
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void metaEvent(byte type, byte *data, uint16 length);
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void setTimerCallback(void *timerParam, void (*timerProc)(void *)) { }
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uint32 getBaseTempo() { return _driver ? _driver->getBaseTempo() : 0; }
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MidiChannel *allocateChannel() { return 0; }
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MidiChannel *getPercussionChannel() { return 0; }
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private:
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static void timerCallback(void *p);
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MidiDriver *_driver;
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MidiParser *_parser;
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uint8 *_midiData;
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bool _isLooping;
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bool _isPlaying;
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int _masterVolume;
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MidiChannel *_channelsTable[NUM_CHANNELS];
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uint8 _channelsVolume[NUM_CHANNELS];
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Common::Mutex _mutex;
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};
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} // namespace Parallaction
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#endif
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