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84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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 SOUND_AUDIOCD_H
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#define SOUND_AUDIOCD_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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namespace Audio {
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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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/**
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* Start playback of the specified "CD" track. This method mimics
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* the interface of OSystem::playCD (which it in fact may call, if an Audio CD is
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* present), but also can play digital audio tracks in various formats.
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*
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* @param track the track to play.
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* @param num_loops how often playback should be repeated (-1 = infinitely often).
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* @param start_frame the frame at which playback should start (75 frames = 1 second).
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* @param duration the number of frames to play (0: play until end)
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* @param only_emulate if true, don't try to play from a real CD
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*/
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void play(int track, int numLoops, int startFrame, int duration, bool only_emulate = false);
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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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/* used for emulated CD music */
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SoundHandle _handle;
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bool _emulating;
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Status _cd;
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Mixer *_mixer;
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};
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/** Shortcut for accessing the audio CD manager. */
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#define AudioCD Audio::AudioCDManager::instance()
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} // End of namespace Audio
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#endif
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