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audiocd.h

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00001 /* ScummVM - Graphic Adventure Engine
00002  *
00003  * ScummVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the COPYRIGHT
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #ifndef BACKENDS_AUDIOCD_ABSTRACT_H
00024 #define BACKENDS_AUDIOCD_ABSTRACT_H
00025 
00026 #include "audio/mixer.h"
00027 #include "common/scummsys.h"
00028 #include "common/noncopyable.h"
00029 
00034 class AudioCDManager : Common::NonCopyable {
00035 public:
00036     virtual ~AudioCDManager() {}
00037 
00041     struct Status {
00042         bool playing;
00043         int track;
00044         int start;
00045         int duration;
00046         int numLoops;
00047         int volume;
00048         int balance;
00049     };
00050 
00055     virtual bool open() = 0;
00056 
00060     virtual void close() = 0;
00061 
00073     virtual bool play(int track, int numLoops, int startFrame, int duration, bool onlyEmulate = false,
00074         Audio::Mixer::SoundType soundType = Audio::Mixer::kMusicSoundType) = 0;
00075 
00080     virtual bool isPlaying() const = 0;
00081 
00085     virtual void setVolume(byte volume) = 0;
00086 
00090     virtual void setBalance(int8 balance) = 0;
00091 
00095     virtual void stop() = 0;
00096 
00100     virtual void update() = 0;
00101 
00106     virtual Status getStatus() const = 0;
00107 };
00108 
00109 #endif


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