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/* 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.
*
* $URL$
* $Id$
*
*/
/* Sound engine */
#ifndef SCI_AUDIO_H
#define SCI_AUDIO_H
#include "sound/mixer.h"
namespace Sci {
enum AudioCommands {
// TODO: find the difference between kSci1AudioWPlay and kSci1AudioPlay
kSciAudioWPlay = 1, /* Plays an audio stream */
kSciAudioPlay = 2, /* Plays an audio stream */
kSciAudioStop = 3, /* Stops an audio stream */
kSciAudioPause = 4, /* Pauses an audio stream */
kSciAudioResume = 5, /* Resumes an audio stream */
kSciAudioPosition = 6, /* Return current position in audio stream */
kSciAudioRate = 7, /* Return audio rate */
kSciAudioVolume = 8, /* Return audio volume */
kSciAudioLanguage = 9, /* Return audio language */
kSciAudioCD = 10 /* Plays SCI1.1 CD audio */
};
enum AudioSyncCommands {
kSciAudioSyncStart = 0,
kSciAudioSyncNext = 1,
kSciAudioSyncStop = 2
};
#define AUDIO_VOLUME_MAX 127
class Resource;
class ResourceId;
class ResourceManager;
class SegManager;
class AudioPlayer {
public:
AudioPlayer(ResourceManager *resMan);
~AudioPlayer();
void setAudioRate(uint16 rate) { _audioRate = rate; }
Audio::SoundHandle* getAudioHandle() { return &_audioHandle; }
Audio::AudioStream* getAudioStream(uint32 number, uint32 volume, int *sampleLen);
int getAudioPosition();
int startAudio(uint16 module, uint32 tuple);
void stopAudio();
void pauseAudio();
void resumeAudio();
void setSoundSync(ResourceId id, reg_t syncObjAddr, SegManager *segMan);
void doSoundSync(reg_t syncObjAddr, SegManager *segMan);
void stopSoundSync();
int audioCdPlay(int track, int start, int duration);
void audioCdStop();
void audioCdUpdate();
int audioCdPosition();
void stopAllAudio();
private:
ResourceManager *_resMan;
uint16 _audioRate;
Audio::SoundHandle _audioHandle;
Audio::Mixer* _mixer;
Resource *_syncResource; /**< Used by kDoSync for speech syncing in CD talkie games */
uint _syncOffset;
uint32 _audioCdStart;
};
} // End of namespace Sci
#endif // SCI_SFX_CORE_H
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