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https://github.com/scummvm/scummvm.git
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84 lines
2.4 KiB
C++
84 lines
2.4 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "agos/drivers/accolade/mididriver.h"
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#include "audio/mididrv.h"
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#include "common/mutex.h"
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namespace AGOS {
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class MidiDriver_Accolade_MT32 : public MidiDriver {
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public:
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MidiDriver_Accolade_MT32();
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~MidiDriver_Accolade_MT32() override;
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// MidiDriver
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int open() override;
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void close() override;
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bool isOpen() const override { return _isOpen; }
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void send(uint32 b) override;
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MidiChannel *allocateChannel() override {
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if (_driver)
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return _driver->allocateChannel();
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return NULL;
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}
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MidiChannel *getPercussionChannel() override {
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if (_driver)
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return _driver->getPercussionChannel();
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return NULL;
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}
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void setTimerCallback(void *timer_param, Common::TimerManager::TimerProc timer_proc) override {
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if (_driver)
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_driver->setTimerCallback(timer_param, timer_proc);
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}
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uint32 getBaseTempo() override {
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if (_driver) {
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return _driver->getBaseTempo();
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}
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return 1000000 / _baseFreq;
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}
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protected:
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Common::Mutex _mutex;
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MidiDriver *_driver;
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bool _nativeMT32; // native MT32, may also be our MUNT, or MUNT over MIDI
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bool _isOpen;
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int _baseFreq;
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private:
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// simple mapping between MIDI channel and MT32 channel
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byte _channelMapping[AGOS_MIDI_CHANNEL_COUNT];
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// simple mapping between MIDI instruments and MT32 instruments
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byte _instrumentMapping[AGOS_MIDI_INSTRUMENT_COUNT];
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public:
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bool setupInstruments(byte *instrumentData, uint16 instrumentDataSize, bool useMusicDrvFile);
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};
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} // End of namespace AGOS
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