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music-synthesizer-for-android/cpp/src/SynthApp/midi_in_mac.h

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/*
* Copyright 2012 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Interface for receiving MIDI events
#include <CoreMIDI/CoreMIDI.h>
#include "ringbuffer.h"
// At some point, we may want to have a generic MidiIn interface that gets
// implemented differently on different platforms, but for now we keep it
// simple (threading and lifetime might be different on other platforms,
// so it's not obvious what the interface might look like).
class MidiInMac {
public:
//MidiInMac();
// Return true on success. While running (ie until Done() is called,
// MIDI bytes from the device are written to the ring buffer.
bool Init(CFStringRef name, RingBuffer *ring_buffer);
void Done();
// Effectively private - only called from ReadProc
void OnRead(const MIDIPacketList *pktlist);
private:
RingBuffer *ring_buffer_;
MIDIClientRef client_;
MIDIPortRef port_;
MIDIEndpointRef endpoint_;
};