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https://github.com/libretro/scummvm.git
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103 lines
3.0 KiB
C++
103 lines
3.0 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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*/
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/* Sound engine */
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#ifndef SCI_AUDIO_H
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#define SCI_AUDIO_H
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#include "sci/engine/vm_types.h"
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#include "audio/mixer.h"
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namespace Audio {
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class RewindableAudioStream;
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} // End of namespace Audio
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namespace Sci {
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enum AudioCommands {
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kSciAudioWPlay = 1, /* Loads an audio stream */
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kSciAudioPlay = 2, /* Plays an audio stream */
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kSciAudioStop = 3, /* Stops an audio stream */
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kSciAudioPause = 4, /* Pauses an audio stream */
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kSciAudioResume = 5, /* Resumes an audio stream */
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kSciAudioPosition = 6, /* Return current position in audio stream */
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kSciAudioRate = 7, /* Return audio rate */
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kSciAudioVolume = 8, /* Return audio volume */
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kSciAudioLanguage = 9, /* Return audio language */
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kSciAudioCD = 10 /* Plays SCI1.1 CD audio */
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};
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enum AudioSyncCommands {
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kSciAudioSyncStart = 0,
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kSciAudioSyncNext = 1,
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kSciAudioSyncStop = 2
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};
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#define AUDIO_VOLUME_MAX 127
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class Resource;
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class ResourceId;
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class ResourceManager;
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class SegManager;
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class AudioPlayer {
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public:
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AudioPlayer(ResourceManager *resMan);
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~AudioPlayer();
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void setAudioRate(uint16 rate) { _audioRate = rate; }
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Audio::SoundHandle *getAudioHandle() { return &_audioHandle; }
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Audio::RewindableAudioStream *getAudioStream(uint32 number, uint32 volume, int *sampleLen);
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byte *getDecodedRobotAudioFrame(Common::SeekableReadStream *str, uint32 encodedSize);
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int getAudioPosition();
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int startAudio(uint16 module, uint32 tuple);
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int wPlayAudio(uint16 module, uint32 tuple);
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void stopAudio();
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void pauseAudio();
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void resumeAudio();
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void setSoundSync(ResourceId id, reg_t syncObjAddr, SegManager *segMan);
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void doSoundSync(reg_t syncObjAddr, SegManager *segMan);
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void stopSoundSync();
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int audioCdPlay(int track, int start, int duration);
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void audioCdStop();
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void audioCdUpdate();
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int audioCdPosition();
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void stopAllAudio();
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private:
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ResourceManager *_resMan;
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uint16 _audioRate;
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Audio::SoundHandle _audioHandle;
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Audio::Mixer *_mixer;
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Resource *_syncResource; /**< Used by kDoSync for speech syncing in CD talkie games */
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uint _syncOffset;
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uint32 _audioCdStart;
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bool _wPlayFlag;
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};
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} // End of namespace Sci
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#endif // SCI_SFX_CORE_H
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