added rudimentary WinMM MIDI support

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1355 0778d3d1-df1d-0410-868b-ea421aaaa00d

src/core/midi/midi_alsa_raw.cpp

@@ -38,6 +38,7 @@
 
 
 midiALSARaw::midiALSARaw( void ) :
+	midiClientRaw(),
 	m_inputp( &m_input ),
 	m_outputp( &m_output ),
 	m_quit( FALSE )

src/core/midi/midi_alsa_seq.cpp

@@ -42,6 +42,7 @@
 
 
 midiALSASeq::midiALSASeq( void ) :
+	midiClient(),
 	m_seqHandle( NULL ),
 	m_queueID( -1 ),
 	m_quit( FALSE ),
@@ -326,9 +327,10 @@ void midiALSASeq::subscribeReadablePort( midiPort * _port,
 						bool _subscribe )
 {
 	if( m_portIDs.contains( _port ) == FALSE ||
-		( _port->mode() != midiPort::Input &&
-		  _port->mode() != midiPort::Duplex ) )
+				_port->inputEnabled() == FALSE )
 	{
+		printf( "port %s can't be (un)subscribed!\n",
+					_port->name().toAscii().constData() );
 		return;
 	}
 	snd_seq_addr_t sender;
@@ -366,9 +368,10 @@ void midiALSASeq::subscribeWriteablePort( midiPort * _port,
 						bool _subscribe )
 {
 	if( m_portIDs.contains( _port ) == FALSE ||
-		( _port->mode() != midiPort::Output &&
-		  _port->mode() != midiPort::Duplex ) )
+				_port->outputEnabled() == FALSE )
 	{
+		printf( "port %s can't be (un)subscribed!\n",
+					_port->name().toAscii().constData() );
 		return;
 	}
 	snd_seq_addr_t dest;

src/core/midi/midi_client.cpp

@@ -86,24 +86,6 @@ void midiClient::removePort( midiPort * _port )
 
 
 
-const QStringList & midiClient::readablePorts( void ) const
-{
-	static QStringList sl;
-	return( sl );
-}
-
-
-
-
-const QStringList & midiClient::writeablePorts( void ) const
-{
-	static QStringList sl;
-	return( sl );
-}
-
-
-
-
 void midiClient::subscribeReadablePort( midiPort *, const QString & , bool )
 {
 }

src/core/midi/midi_oss.cpp

@@ -45,6 +45,7 @@
 
 
 midiOSS::midiOSS( void ) :
+	midiClientRaw(),
 	m_midiDev( probeDevice() ),
 	m_quit( FALSE )
 {

src/core/midi/midi_winmm.cpp

@@ -0,0 +1,421 @@
+/*
+ * midi_winmm.cpp - WinMM MIDI client
+ *
+ * Copyright (c) 2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
+ * 
+ * This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
+ *
+ * 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.
+ *
+ */
+
+
+#include <QtGui/QLabel>
+#include <QtGui/QLineEdit>
+
+
+#include "midi_winmm.h"
+#include "config_mgr.h"
+#include "engine.h"
+#include "gui_templates.h"
+#include "midi_port.h"
+#include "note.h"
+
+
+#ifdef LMMS_BUILD_WIN32
+
+
+midiWinMM::midiWinMM( void ) :
+	midiClient(),
+	m_deviceListUpdateTimer( this )
+{
+	// initial list-update
+	updateDeviceList();
+
+	connect( &m_deviceListUpdateTimer, SIGNAL( timeout() ),
+					this, SLOT( updateDeviceList() ) );
+	// we check for port-changes every second
+//	m_deviceListUpdateTimer.start( 1000 );
+}
+
+
+
+
+midiWinMM::~midiWinMM()
+{
+	closeDevices();
+}
+
+
+
+
+QString midiWinMM::probeDevice( void )
+{
+	QString dev = configManager::inst()->value( "midiwinmm", "device" );
+	if( dev == "" )
+	{
+		if( getenv( "MIDIDEV" ) != NULL )
+		{
+			return( getenv( "MIDIDEV" ) );
+		}
+		return( "default" );
+	}
+	return( dev );
+}
+
+
+
+
+void midiWinMM::processOutEvent( const midiEvent & _me,
+						const midiTime & _time,
+						const midiPort * _port )
+{
+/*	// HACK!!! - need a better solution which isn't that easy since we
+	// cannot store const-ptrs in our map because we need to call non-const
+	// methods of MIDI-port - it's a mess...
+	midiPort * p = const_cast<midiPort *>( _port );
+
+	snd_seq_event_t ev;
+	snd_seq_ev_clear( &ev );
+	snd_seq_ev_set_source( &ev, ( m_portIDs[p][1] != -1 ) ?
+					m_portIDs[p][1] : m_portIDs[p][0] );
+	snd_seq_ev_set_subs( &ev );
+	snd_seq_ev_schedule_tick( &ev, m_queueID, 1,
+						static_cast<Sint32>( _time ) );
+	ev.queue =  m_queueID;
+	switch( _me.m_type )
+	{
+		case MidiNoteOn:
+			snd_seq_ev_set_noteon( &ev,
+						_port->outputChannel(),
+						_me.key() + KeysPerOctave,
+						_me.velocity() );
+			break;
+
+		case MidiNoteOff:
+			snd_seq_ev_set_noteoff( &ev,
+						_port->outputChannel(),
+						_me.key() + KeysPerOctave,
+						_me.velocity() );
+			break;
+
+		case MidiKeyPressure:
+			snd_seq_ev_set_keypress( &ev,
+						_port->outputChannel(),
+						_me.key() + KeysPerOctave,
+						_me.velocity() );
+			break;
+
+		case MidiControlChange:
+			snd_seq_ev_set_controller( &ev,
+						_port->outputChannel(),
+						_me.m_data.m_param[0],
+						_me.m_data.m_param[1] );
+			break;
+
+		case MidiProgramChange:
+			snd_seq_ev_set_pgmchange( &ev,
+						_port->outputChannel(),
+						_me.m_data.m_param[0] );
+			break;
+
+		case MidiChannelPressure:
+			snd_seq_ev_set_chanpress( &ev,
+						_port->outputChannel(),
+						_me.m_data.m_param[0] );
+			break;
+
+		case MidiPitchBend:
+			snd_seq_ev_set_pitchbend( &ev,
+						_port->outputChannel(),
+						_me.m_data.m_param[0] - 8192 );
+			break;
+
+		default:
+			printf( "ALSA-sequencer: unhandled output event %d\n",
+							(int) _me.m_type );
+			return;
+	}*/
+}
+
+
+
+
+void midiWinMM::applyPortMode( midiPort * _port )
+{
+	// make sure no subscriptions exist which are not possible with
+	// current port-mode
+	if( !_port->inputEnabled() )
+	{
+		for( subMap::iterator it = m_inputSubs.begin();
+						it != m_inputSubs.end(); ++it )
+		{
+			it.value().removeAll( _port );
+		}
+	}
+
+	if( _port->outputEnabled() )
+	{
+		for( subMap::iterator it = m_outputSubs.begin();
+						it != m_outputSubs.end(); ++it )
+		{
+			it.value().removeAll( _port );
+		}
+	}
+}
+
+
+
+
+void midiWinMM::removePort( midiPort * _port )
+{
+	for( subMap::iterator it = m_inputSubs.begin();
+						it != m_inputSubs.end(); ++it )
+	{
+		it.value().removeAll( _port );
+	}
+	for( subMap::iterator it = m_outputSubs.begin();
+						it != m_outputSubs.end(); ++it )
+	{
+		it.value().removeAll( _port );
+	}
+	midiClient::removePort( _port );
+}
+
+
+
+
+void midiWinMM::subscribeReadablePort( midiPort * _port,
+						const QString & _dest,
+						bool _subscribe )
+{
+	if( _port->inputEnabled() == FALSE )
+	{
+		printf( "port %s can't be (un)subscribed!\n",
+					_port->name().toAscii().constData() );
+		return;
+	}
+
+	if( m_inputSubs.contains( _dest ) )
+	{
+		m_inputSubs[_dest].removeAll( _port );
+		if( _subscribe )
+		{
+			m_inputSubs[_dest].push_back( _port );
+		}
+	}
+}
+
+
+
+
+void midiWinMM::subscribeWriteablePort( midiPort * _port,
+						const QString & _dest,
+						bool _subscribe )
+{
+	if( _port->outputEnabled() == FALSE && _subscribe == FALSE )
+	{
+		printf( "port %s can't be (un)subscribed!\n",
+					_port->name().toAscii().constData() );
+		return;
+	}
+
+	if( m_outputSubs.contains( _dest ) )
+	{
+		m_outputSubs[_dest].removeAll( _port );
+		if( _subscribe )
+		{
+			m_outputSubs[_dest].push_back( _port );
+		}
+	}
+}
+
+
+
+
+void CALLBACK midiWinMM::inputCallback( HMIDIIN _hm, UINT _msg, DWORD_PTR _inst,
+					DWORD_PTR _param1, DWORD_PTR _param2 )
+{
+printf("input callback %d\n", (int) _hm );
+	if( _msg == MIM_DATA )
+	{
+		( (midiWinMM *) _inst )->handleInputEvent( _hm, _param1 );
+	}
+}
+
+
+
+
+void midiWinMM::handleInputEvent( HMIDIIN _hm, DWORD _ev )
+{
+	const int cmd = _ev & 0xff;
+	if( cmd == MidiActiveSensing )
+	{
+		return;
+	}
+	const int par1 = ( _ev >> 8 ) & 0xff;
+	const int par2 = _ev >> 16;
+	const MidiEventTypes cmdtype =
+				static_cast<MidiEventTypes>( cmd & 0xf0 );
+	const int chan = cmd & 0x0f;
+
+		printf("%d\n", cmd );
+	const QString d = m_inputDevices.value( _hm );
+	if( d.isEmpty() )
+	{
+printf("return\n");
+		return;
+	}
+
+	const midiPortList & l = m_inputSubs[d];
+	for( midiPortList::const_iterator it = l.begin(); it != l.end(); ++it )
+	{
+		switch( cmdtype )
+		{
+			case MidiNoteOn:
+			case MidiNoteOff:
+			case MidiKeyPressure:
+				( *it )->processInEvent(
+					midiEvent( cmdtype, chan,
+							par1 - KeysPerOctave,
+							par2 & 0xff ),
+								midiTime() );
+				break;
+
+			case MidiControlChange:
+			case MidiProgramChange:
+			case MidiChannelPressure:
+				( *it )->processInEvent(
+					midiEvent( cmdtype, chan, par1,
+							par2 & 0xff ),
+								midiTime() );
+		
+				break;
+
+			case MidiPitchBend:
+				( *it )->processInEvent(
+					midiEvent( cmdtype, chan,
+							par1 + par2*128, 0 ),
+								midiTime() );
+			default:
+				printf( "WinMM-MIDI: unhandled input "
+							"event %d\n", cmdtype );
+				break;
+		}
+	}
+}
+
+
+
+
+void midiWinMM::updateDeviceList( void )
+{
+	closeDevices();
+	openDevices();
+//	if( m_readablePorts != readable_ports )
+	{
+//		m_readablePorts = readable_ports;
+		emit( readablePortsChanged() );
+	}
+
+//	if( m_writeablePorts != writeable_ports )
+	{
+//		m_writeablePorts = writeable_ports;
+		emit( writeablePortsChanged() );
+	}
+}
+
+
+
+void midiWinMM::closeDevices( void )
+{
+	for( QList<HMIDIIN>::const_iterator it = m_inputDevices.keys().begin();
+				it != m_inputDevices.keys().end(); ++it )
+	{
+		midiInReset( *it );
+		midiInClose( *it );
+	}
+	for( QList<HMIDIOUT>::const_iterator it =
+					m_outputDevices.keys().begin();
+				it != m_outputDevices.keys().end(); ++it )
+	{
+		//midiOutStop( *it );
+		midiOutClose( *it );
+	}
+}
+
+
+
+
+void midiWinMM::openDevices( void )
+{
+	m_inputDevices.clear();
+	for( int i = 0; i < midiInGetNumDevs(); ++i )
+	{
+printf("opening %d\n", i );
+		HMIDIIN hm = 0;
+		MMRESULT res = midiInOpen( &hm, i, (DWORD) &inputCallback,
+						(DWORD_PTR) this,
+							CALLBACK_FUNCTION );
+printf("opened %d\n", (int) hm);
+		if( res == MMSYSERR_NOERROR )
+		{
+			midiInStart( hm );
+printf("started\n" );
+			MIDIINCAPS c;
+			midiInGetDevCaps( (UINT) hm, &c, sizeof( c ) );
+			m_inputDevices[hm] = c.szPname;
+printf("caps done %s\n", c.szPname );
+		}
+	}
+}
+
+
+
+
+midiWinMM::setupWidget::setupWidget( QWidget * _parent ) :
+	midiClient::setupWidget( midiWinMM::name(), _parent )
+{
+	m_device = new QLineEdit( midiWinMM::probeDevice(), this );
+	m_device->setGeometry( 10, 20, 160, 20 );
+
+	QLabel * dev_lbl = new QLabel( tr( "DEVICE" ), this );
+	dev_lbl->setFont( pointSize<6>( dev_lbl->font() ) );
+	dev_lbl->setGeometry( 10, 40, 160, 10 );
+}
+
+
+
+
+midiWinMM::setupWidget::~setupWidget()
+{
+}
+
+
+
+
+void midiWinMM::setupWidget::saveSettings( void )
+{
+	configManager::inst()->setValue( "midiwinmm", "device",
+							m_device->text() );
+}
+
+
+#include "midi_winmm.moc"
+
+
+#endif
+

src/core/mixer.cpp

@@ -62,6 +62,7 @@
 #include "midi_alsa_raw.h"
 #include "midi_alsa_seq.h"
 #include "midi_oss.h"
+#include "midi_winmm.h"
 #include "midi_dummy.h"
 
 
@@ -1045,6 +1046,18 @@ midiClient * mixer::tryMIDIClients( void )
 	}
 #endif
 
+#ifdef LMMS_BUILD_WIN32
+	if( client_name == midiWinMM::name() || client_name == "" )
+	{
+		midiWinMM * mwmm = new midiWinMM;
+//		if( moss->isRunning() )
+		{
+			m_midiClientName = midiWinMM::name();
+			return( mwmm );
+		}
+		delete mwmm;
+	}
+#endif
 	printf( "Couldn't create MIDI-client, neither with ALSA nor with "
 		"OSS. Will use dummy-MIDI-client.\n" );
 

src/gui/setup_dialog.cpp

@@ -63,6 +63,7 @@
 #include "midi_alsa_raw.h"
 #include "midi_alsa_seq.h"
 #include "midi_oss.h"
+#include "midi_winmm.h"
 #include "midi_dummy.h"
 
 
@@ -537,6 +538,12 @@ setupDialog::setupDialog( ConfigTabs _tab_to_open ) :
 	m_midiIfaceSetupWidgets[midiOSS::name()] =
 					new midiOSS::setupWidget( msw );
 #endif
+
+#ifdef LMMS_BUILD_WIN32
+	m_midiIfaceSetupWidgets[midiWinMM::name()] =
+					new midiWinMM::setupWidget( msw );
+#endif
+
 	m_midiIfaceSetupWidgets[midiDummy::name()] =
 					new midiDummy::setupWidget( msw );