/* 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 3 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, see . * * * This file is dual-licensed. * In addition to the GPLv3 license mentioned above, this code is also * licensed under LGPL 2.1. See LICENSES/COPYING.LGPL file for the * full text of the license. * */ #ifndef GOB_SOUND_SOUNDBLASTER_H #define GOB_SOUND_SOUNDBLASTER_H #include "common/mutex.h" #include "gob/sound/soundmixer.h" namespace Audio { class Mixer; } namespace Gob { class SoundDesc; class SoundBlaster : public SoundMixer { public: SoundBlaster(Audio::Mixer &mixer); ~SoundBlaster() override; void playSample(SoundDesc &sndDesc, int16 repCount, int16 frequency, int16 fadeLength = 0); void stopSound(int16 fadeLength, SoundDesc *sndDesc = 0); void playComposition(const int16 *composition, int16 freqVal, SoundDesc *sndDescs = 0, int8 sndCount = 60); void stopComposition(); void endComposition(); void repeatComposition(int32 repCount); protected: Common::Mutex _mutex; SoundDesc *_compositionSamples; int8 _compositionSampleCount; int16 _composition[50]; int8 _compositionPos; int32 _compositionRepCount; SoundDesc *_curSoundDesc; void setSample(SoundDesc &sndDesc, int16 repCount, int16 frequency, int16 fadeLength) override; void checkEndSample() override; void endFade() override; void nextCompositionPos(); }; } // End of namespace Gob #endif // GOB_SOUND_SOUNDBLASTER_H