78 lines
2.1 KiB
C++
78 lines
2.1 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef GOT_MUSICDRIVER_H
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#define GOT_MUSICDRIVER_H
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#include "common/timer.h"
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namespace Got {
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class MusicDriver_Got {
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public:
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MusicDriver_Got(uint8 timerFrequency);
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virtual ~MusicDriver_Got() { };
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virtual int open() = 0;
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bool isOpen() const;
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virtual void close() = 0;
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virtual void syncSoundSettings() = 0;
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virtual void send(uint16 b) = 0;
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virtual void stopAllNotes() = 0;
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virtual void setTimerFrequency(uint8 timerFrequency);
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void onTimer();
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void setTimerCallback(void *timer_param, Common::TimerManager::TimerProc timer_proc);
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protected:
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// True if the driver has been successfully opened.
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bool _isOpen;
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// The number of timer callbacks per second.
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int _timerFrequency;
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// External timer callback
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void *_timer_param;
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Common::TimerManager::TimerProc _timer_proc;
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};
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class MusicDriver_Got_NULL : public MusicDriver_Got {
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public:
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MusicDriver_Got_NULL(uint8 timerFrequency) : MusicDriver_Got(timerFrequency) { };
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~MusicDriver_Got_NULL() { };
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int open() override;
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void close() override;
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void syncSoundSettings() override { };
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void send(uint16 b) override { };
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void stopAllNotes() override { };
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void setTimerFrequency(uint8 timerFrequency) override;
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static void timerCallback(void *data);
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};
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} // namespace Got
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#endif
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