LMMS#1153: added basic apple midi support

CMakeLists.txt

@@ -53,6 +53,7 @@ IF(LMMS_BUILD_APPLE)
 	SET(WANT_VST OFF)
 	SET(STATUS_ALSA "<not supported on this platform>")
 	SET(STATUS_PULSEAUDIO "<not supported on this platform>")
+	SET(STATUS_APPLEMIDI "OK")
 	# MacPorts: /opt/local/lib
 	LINK_DIRECTORIES(${LINK_DIRECTORIES} /opt/local/lib)
 ENDIF(LMMS_BUILD_APPLE)
@@ -69,6 +70,7 @@ IF(LMMS_BUILD_WIN32)
 	SET(STATUS_JACK "<not supported on this platform>")
 	SET(STATUS_PULSEAUDIO "<not supported on this platform>")
 	SET(STATUS_WINMM "OK")
+	SET(STATUS_APPLEMIDI "<not supported on this platform>")
 ELSE(LMMS_BUILD_WIN32)
 	SET(STATUS_WINMM "<not supported on this platform>")
 ENDIF(LMMS_BUILD_WIN32)
@@ -531,6 +533,7 @@ MESSAGE(
 "* ALSA                        : ${STATUS_ALSA}\n"
 "* OSS                         : ${STATUS_OSS}\n"
 "* WinMM                       : ${STATUS_WINMM}\n"
+"* AppleMidi                   : ${STATUS_APPLEMIDI}\n"
 )
 
 MESSAGE(

include/MidiApple.h

@@ -0,0 +1,158 @@
+/*
+ * MidiApple.h - Apple raw MIDI client
+ *
+ * Copyright (c) 2005-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
+ * Copyright (c) 2015 Maurizio Lo Bosco (rageboge on github)
+ *
+ * This file is part of LMMS - http://lmms.io
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program (see COPYING); if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301 USA.
+ *
+ */
+
+#ifndef MIDI_APPLE_H
+#define MIDI_APPLE_H
+
+#include "lmmsconfig.h"
+
+#ifdef LMMS_BUILD_APPLE
+
+#include "MidiClient.h"
+#include "MidiPort.h"
+#include <CoreMIDI/CoreMIDI.h>
+
+
+class QLineEdit;
+
+
+class MidiApple : public QObject, public MidiClient
+{
+	Q_OBJECT
+public:
+	MidiApple();
+	virtual ~MidiApple();
+
+	static QString probeDevice();
+
+
+	inline static QString name()
+	{
+		return QT_TRANSLATE_NOOP( "setupWidget", "Apple MIDI" );
+	}
+
+	virtual void processOutEvent( const MidiEvent & _me,
+								const MidiTime & _time,
+								const MidiPort * _port );
+
+	virtual void applyPortMode( MidiPort * _port );
+	virtual void removePort( MidiPort * _port );
+
+
+	// list devices as ports
+	virtual QStringList readablePorts() const
+	{
+		return m_inputDevices.keys();
+	}
+
+	virtual QStringList writablePorts() const
+	{
+		return m_outputDevices.keys();
+	}
+
+	// return name of port which specified MIDI event came from
+	virtual QString sourcePortName( const MidiEvent & ) const;
+
+	// (un)subscribe given MidiPort to/from destination-port
+	virtual void subscribeReadablePort( MidiPort * _port,
+									const QString & _dest,
+									bool _subscribe = true );
+
+	virtual void subscribeWritablePort( MidiPort * _port,
+									const QString & _dest,
+									bool _subscribe = true );
+
+	virtual void connectRPChanged( QObject * _receiver,
+									const char * _member )
+	{
+		connect( this, SIGNAL( readablePortsChanged() ),
+				_receiver, _member );
+	}
+
+
+	virtual void connectWPChanged( QObject * _receiver,
+									const char * _member )
+	{
+		connect( this, SIGNAL( writablePortsChanged() ),
+				_receiver, _member );
+	}
+
+
+	virtual bool isRaw() const
+	{
+		return false;
+	}
+
+
+	class setupWidget : public MidiClient::setupWidget
+	{
+	public:
+		setupWidget( QWidget * _parent );
+		virtual ~setupWidget();
+
+		void saveSettings()
+		{
+		}
+	} ;
+
+
+private:// slots:
+	void updateDeviceList();
+
+
+private:
+	void openDevices();
+	void closeDevices();
+	void openMidiReference( MIDIEndpointRef reference, QString refName,bool isIn );
+	MIDIClientRef getMidiClientRef();
+	void midiInClose( MIDIEndpointRef reference );
+	static void NotifyCallback( const MIDINotification *message, void *refCon );
+	static void ReadCallback( const MIDIPacketList *pktlist, void *readProcRefCon, void *srcConnRefCon );
+	void HandleReadCallback( const MIDIPacketList *pktlist, void *srcConnRefCon );
+	void notifyMidiPortList( MidiPortList portList, MidiEvent midiEvent);
+	char * getFullName( MIDIEndpointRef &endpoint_ref );
+	void sendMidiOut( MIDIEndpointRef & endPointRef, const MidiEvent& event );
+	MIDIPacketList createMidiPacketList( const MidiEvent& event );
+
+	MIDIClientRef mClient = 0;
+	QMap<QString, MIDIEndpointRef> m_inputDevices;
+	QMap<QString, MIDIEndpointRef> m_outputDevices;
+	QMap<MIDIEndpointRef, MIDIPortRef> m_sourcePortRef;
+
+	// subscriptions
+	typedef QMap<QString, MidiPortList> SubMap;
+	SubMap m_inputSubs;
+	SubMap m_outputSubs;
+
+signals:
+	void readablePortsChanged();
+	void writablePortsChanged();
+
+} ;
+
+#endif
+
+
+#endif

src/CMakeLists.txt

@@ -95,6 +95,10 @@ IF(LMMS_BUILD_WIN32)
 	SET(EXTRA_LIBRARIES "-lwinmm")
 ENDIF()
 
+IF(LMMS_BUILD_APPLE)
+	SET(EXTRA_LIBRARIES "-framework CoreMIDI")
+ENDIF()
+
 SET(LMMS_REQUIRED_LIBS
 	${CMAKE_THREAD_LIBS_INIT}
 	${QT_LIBRARIES}

src/core/CMakeLists.txt

@@ -81,6 +81,7 @@ set(LMMS_SRCS
 	core/midi/MidiClient.cpp
 	core/midi/MidiController.cpp
 	core/midi/MidiOss.cpp
+	core/midi/MidiApple.cpp
 	core/midi/MidiPort.cpp
 	core/midi/MidiTime.cpp
 	core/midi/MidiWinMM.cpp

src/core/Mixer.cpp

@@ -50,6 +50,7 @@
 #include "MidiAlsaSeq.h"
 #include "MidiOss.h"
 #include "MidiWinMM.h"
+#include "MidiApple.h"
 #include "MidiDummy.h"
 
 #include "MemoryHelper.h"
@@ -894,6 +895,18 @@ MidiClient * Mixer::tryMidiClients()
 	}
 #endif
 
+#ifdef LMMS_BUILD_APPLE
+    printf( "trying midi apple...\n" );
+    if( client_name == MidiApple::name() || client_name == "" )
+    {
+        MidiApple * mapple = new MidiApple;
+        m_midiClientName = MidiApple::name();
+        printf( "Returning midi apple\n" );
+        return mapple;
+    }
+    printf( "midi apple didn't work: client_name=%s\n", client_name.toUtf8().constData());
+#endif
+
 	printf( "Couldn't create MIDI-client, neither with ALSA nor with "
 		"OSS. Will use dummy-MIDI-client.\n" );