summaryrefslogtreecommitdiff
path: root/attic/muse_qt4_evolution/synti/zynaddsubfx/Input/ALSAMidiIn.C
diff options
context:
space:
mode:
Diffstat (limited to 'attic/muse_qt4_evolution/synti/zynaddsubfx/Input/ALSAMidiIn.C')
-rw-r--r--attic/muse_qt4_evolution/synti/zynaddsubfx/Input/ALSAMidiIn.C96
1 files changed, 96 insertions, 0 deletions
diff --git a/attic/muse_qt4_evolution/synti/zynaddsubfx/Input/ALSAMidiIn.C b/attic/muse_qt4_evolution/synti/zynaddsubfx/Input/ALSAMidiIn.C
new file mode 100644
index 00000000..13aa14d1
--- /dev/null
+++ b/attic/muse_qt4_evolution/synti/zynaddsubfx/Input/ALSAMidiIn.C
@@ -0,0 +1,96 @@
+/*
+ ZynAddSubFX - a software synthesizer
+
+ ALSAMidiIn.C - Midi input for ALSA (this creates an ALSA virtual port)
+ Copyright (C) 2002-2005 Nasca Octavian Paul
+ Author: Nasca Octavian Paul
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of version 2 of the GNU General Public License
+ as published by the Free Software Foundation.
+
+ 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 (version 2) for more details.
+
+ You should have received a copy of the GNU General Public License (version 2)
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+*/
+
+#include "ALSAMidiIn.h"
+#include <stdlib.h>
+#include <stdio.h>
+
+
+ALSAMidiIn::ALSAMidiIn(){
+ int alsaport;
+ inputok=0;
+ char portname[50];
+ sprintf(portname,"ZynAddSubFX");
+
+ midi_handle=NULL;
+
+ if (snd_seq_open(&midi_handle,"default",SND_SEQ_OPEN_INPUT,0)!=0) return;
+
+ snd_seq_set_client_name(midi_handle,"ZynAddSubFX");//thanks to Frank Neumann
+
+ alsaport = snd_seq_create_simple_port(midi_handle,portname
+ ,SND_SEQ_PORT_CAP_WRITE | SND_SEQ_PORT_CAP_SUBS_WRITE
+ ,SND_SEQ_PORT_TYPE_SYNTH);
+ if (alsaport<0) return;
+
+ inputok=1;
+};
+
+ALSAMidiIn::~ALSAMidiIn(){
+ snd_seq_close(midi_handle);
+};
+
+
+/*
+ * Get the midi command,channel and parameters
+ */
+void ALSAMidiIn::getmidicmd(MidiCmdType &cmdtype,unsigned char &cmdchan,int *cmdparams){
+ snd_seq_event_t *midievent=NULL;
+ cmdtype=MidiNull;
+
+ if (inputok==0){
+ return;
+ };
+
+ snd_seq_event_input(midi_handle,&midievent);
+
+ if (midievent==NULL) return;
+ switch (midievent->type){
+ case SND_SEQ_EVENT_NOTEON:
+ cmdtype=MidiNoteON;
+ cmdchan=midievent->data.note.channel;
+ cmdparams[0]=midievent->data.note.note;
+ cmdparams[1]=midievent->data.note.velocity;
+ break;
+ case SND_SEQ_EVENT_NOTEOFF:
+ cmdtype=MidiNoteOFF;
+ cmdchan=midievent->data.note.channel;
+ cmdparams[0]=midievent->data.note.note;
+ break;
+ case SND_SEQ_EVENT_PITCHBEND:
+ cmdtype=MidiController;
+ cmdchan=midievent->data.control.channel;
+ cmdparams[0]=C_pitchwheel;//Pitch Bend
+ cmdparams[1]=midievent->data.control.value;
+ break;
+ case SND_SEQ_EVENT_CONTROLLER:
+ cmdtype=MidiController;
+ cmdchan=midievent->data.control.channel;
+ cmdparams[0]=getcontroller(midievent->data.control.param);
+ cmdparams[1]=midievent->data.control.value;
+ //fprintf(stderr,"t=%d val=%d\n",midievent->data.control.param,midievent->data.control.value);
+ break;
+
+ };
+};
+
+