mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-10 23:44:24 +00:00
113 lines
3.7 KiB
C++
113 lines
3.7 KiB
C++
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE library.
|
|
Copyright (c) 2017 - ROLI Ltd.
|
|
|
|
JUCE is an open source library subject to commercial or open-source
|
|
licensing.
|
|
|
|
The code included in this file is provided under the terms of the ISC license
|
|
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
|
|
To use, copy, modify, and/or distribute this software for any purpose with or
|
|
without fee is hereby granted provided that the above copyright notice and
|
|
this permission notice appear in all copies.
|
|
|
|
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
|
|
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
|
|
DISCLAIMED.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
namespace juce
|
|
{
|
|
|
|
struct MIDIDeviceConnection : public PhysicalTopologySource::DeviceConnection,
|
|
public MidiInputCallback
|
|
{
|
|
MIDIDeviceConnection() {}
|
|
|
|
~MIDIDeviceConnection() override
|
|
{
|
|
JUCE_ASSERT_MESSAGE_MANAGER_IS_LOCKED
|
|
|
|
listeners.call ([this] (Listener& l) { l.connectionBeingDeleted (*this); });
|
|
|
|
if (midiInput != nullptr)
|
|
midiInput->stop();
|
|
}
|
|
|
|
void setLockAgainstOtherProcesses (std::shared_ptr<InterProcessLock> newLock)
|
|
{
|
|
midiPortLock = newLock;
|
|
}
|
|
|
|
struct Listener
|
|
{
|
|
virtual ~Listener() {}
|
|
|
|
virtual void handleIncomingMidiMessage (const MidiMessage& message) = 0;
|
|
virtual void connectionBeingDeleted (const MIDIDeviceConnection&) = 0;
|
|
};
|
|
|
|
void addListener (Listener* l)
|
|
{
|
|
ScopedLock scopedLock (criticalSecton);
|
|
listeners.add (l);
|
|
}
|
|
|
|
void removeListener (Listener* l)
|
|
{
|
|
ScopedLock scopedLock (criticalSecton);
|
|
listeners.remove (l);
|
|
}
|
|
|
|
bool sendMessageToDevice (const void* data, size_t dataSize) override
|
|
{
|
|
JUCE_ASSERT_MESSAGE_MANAGER_IS_LOCKED // This method must only be called from the message thread!
|
|
|
|
jassert (dataSize > sizeof (BlocksProtocol::roliSysexHeader) + 2);
|
|
jassert (memcmp (data, BlocksProtocol::roliSysexHeader, sizeof (BlocksProtocol::roliSysexHeader) - 1) == 0);
|
|
jassert (static_cast<const uint8*> (data)[dataSize - 1] == 0xf7);
|
|
|
|
if (midiOutput != nullptr)
|
|
{
|
|
midiOutput->sendMessageNow (MidiMessage (data, (int) dataSize));
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void handleIncomingMidiMessage (MidiInput*, const MidiMessage& message) override
|
|
{
|
|
ScopedTryLock lock (criticalSecton);
|
|
|
|
if (lock.isLocked())
|
|
{
|
|
const auto data = message.getRawData();
|
|
const int dataSize = message.getRawDataSize();
|
|
const int bodySize = dataSize - (int) (sizeof (BlocksProtocol::roliSysexHeader) + 1);
|
|
|
|
if (bodySize > 0 && memcmp (data, BlocksProtocol::roliSysexHeader, sizeof (BlocksProtocol::roliSysexHeader)) == 0)
|
|
if (handleMessageFromDevice != nullptr)
|
|
handleMessageFromDevice (data + sizeof (BlocksProtocol::roliSysexHeader), (size_t) bodySize);
|
|
|
|
listeners.call ([&] (Listener& l) { l.handleIncomingMidiMessage (message); });
|
|
}
|
|
}
|
|
|
|
std::unique_ptr<MidiInput> midiInput;
|
|
std::unique_ptr<MidiOutput> midiOutput;
|
|
|
|
CriticalSection criticalSecton;
|
|
|
|
private:
|
|
ListenerList<Listener> listeners;
|
|
std::shared_ptr<InterProcessLock> midiPortLock;
|
|
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MIDIDeviceConnection)
|
|
};
|
|
|
|
} // namespace juce
|