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82 lines
1.9 KiB
C++
82 lines
1.9 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2003-2005 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#ifndef SOUND_AUDIOCD_H
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#define SOUND_AUDIOCD_H
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#include "stdafx.h"
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#include "common/scummsys.h"
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#include "common/singleton.h"
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#include "sound/mixer.h"
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class DigitalTrackInfo {
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public:
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virtual bool error() = 0;
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virtual void play(Audio::Mixer *mixer, Audio::SoundHandle *handle, int startFrame, int duration) = 0;
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virtual ~DigitalTrackInfo() { }
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};
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class AudioCDManager : public Common::Singleton<AudioCDManager> {
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public:
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struct Status {
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bool playing;
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int track;
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int start;
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int duration;
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int numLoops;
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};
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void play(int track, int numLoops, int startFrame, int duration);
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void stop();
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bool isPlaying() const;
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void updateCD();
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Status getStatus() const;
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private:
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friend class Common::Singleton<SingletonBaseType>;
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AudioCDManager();
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int getCachedTrack(int track);
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private:
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/* used for emulated CD music */
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struct ExtStatus : Status {
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Audio::SoundHandle handle;
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};
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ExtStatus _cd;
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enum {
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CACHE_TRACKS = 10
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};
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int _cachedTracks[CACHE_TRACKS];
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DigitalTrackInfo *_trackInfo[CACHE_TRACKS];
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int _currentCache;
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};
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/** Shortcut for accessing the audio CD manager. */
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#define AudioCD AudioCDManager::instance()
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#endif
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