66 lines
1.7 KiB
C++
66 lines
1.7 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 ZVISION_MIDI_H
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#define ZVISION_MIDI_H
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class MidiDriver;
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namespace ZVision {
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class MidiManager {
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public:
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MidiManager();
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~MidiManager();
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void stop();
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void noteOn(uint8 channel, uint8 noteNumber, uint8 velocity);
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void noteOff(uint8 channel);
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void setVolume(uint8 channel, uint8 volume);
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void setBalance(uint8 channel, int8 balance);
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void setPan(uint8 channel, int8 pan);
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void setProgram(uint8 channel, uint8 prog);
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int8 getFreeChannel(); // Negative if none available
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bool isAvailable() const {
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return _available;
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}
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protected:
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bool _available = false;
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bool _mt32 = false;
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struct chan {
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bool playing;
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uint8 note;
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chan() : playing(false), note(0) {}
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};
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void send(uint8 status, uint8 data1 = 0x00, uint8 data2 = 0x00);
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uint8 _startChannel = 0;
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uint8 _maxChannels = 16;
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MidiDriver *_driver;
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chan _activeChannels[16];
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};
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}
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#endif
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