/* 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 Tones; class Sound : public Audio::AudioStream { public: Sound(const Tones &tones); ~Sound() override; // AudioStream int readBuffer(int16 *buffer, const int numSamples) override; bool isStereo() const override { return false; } bool endOfData() const override; int getRate() const override { return _rate; } private: const Tones &_tones; Speaker *_speaker; int _rate; uint _toneIndex; int _samplesRem; }; } // End of namespace Adl #endif