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Diffstat (limited to 'engines/adl/sound.h')
-rw-r--r-- | engines/adl/sound.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/engines/adl/sound.h b/engines/adl/sound.h new file mode 100644 index 0000000000..8fbeb805ff --- /dev/null +++ b/engines/adl/sound.h @@ -0,0 +1,66 @@ +/* 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. + * + */ + +#ifndef ADL_SOUND_H +#define ADL_SOUND_H + +#include "audio/audiostream.h" + +#include "common/array.h" +#include "common/frac.h" + +namespace Adl { + +class Speaker; + +struct Tone { + double freq; // Hz + double len; // ms + + Tone(double frequency, double length) : freq(frequency), len(length) { } +}; + +typedef Common::Array<Tone> Tones; + +class Sound : public Audio::AudioStream { +public: + Sound(const Tones &tones); + ~Sound(); + + // AudioStream + int readBuffer(int16 *buffer, const int numSamples); + bool isStereo() const { return false; } + bool endOfData() const; + int getRate() const { return _rate; } + +private: + const Tones &_tones; + + Speaker *_speaker; + int _rate; + uint _toneIndex; + int _samplesRem; +}; + +} // End of namespace Adl + +#endif |