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-rw-r--r--libkmid/midiout.cc301
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diff --git a/libkmid/midiout.cc b/libkmid/midiout.cc
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-/**************************************************************************
-
- midiout.cc - class midiOut which handles external midi devices
- This file is part of LibKMid 0.9.5
- Copyright (C) 1997,98,99,2000 Antonio Larrosa Jimenez
- LibKMid's homepage : http://www.arrakis.es/~rlarrosa/libkmid.html
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This library 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public License
- along with this library; see the file COPYING.LIB. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
-
- Send comments and bug fixes to Antonio Larrosa <[email protected]>
-
-***************************************************************************/
-#include "midiout.h"
-#include <unistd.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include "sndcard.h"
-#include <errno.h>
-#include <string.h>
-#include <stdlib.h>
-#include <sys/param.h>
-#include "midispec.h"
-#include "alsaout.h"
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <sys/ioctl.h>
-
-SEQ_USE_EXTBUF();
-
-MidiOut::MidiOut(int d)
-{
- seqfd = -1;
- devicetype=KMID_EXTERNAL_MIDI;
- device= d;
- volumepercentage=100;
- map=new MidiMapper(NULL);
- if (map==NULL) { printfdebug("ERROR : midiOut : Map is NULL\n"); return; };
- _ok=1;
-}
-
-MidiOut::~MidiOut()
-{
- delete map;
- closeDev();
-}
-
-void MidiOut::openDev (int sqfd)
-{
-#ifdef HAVE_OSS_SUPPORT
- _ok=1;
- seqfd=sqfd;
- if (seqfd==-1)
- {
- printfdebug("ERROR: Could not open /dev/sequencer\n");
- _ok=0;
- return;
- }
-#endif
-}
-
-void MidiOut::closeDev (void)
-{
- if (!ok()) return;
-// if (deviceType()!=KMID_ALSA) allNotesOff();
- SEQ_STOP_TIMER();
- SEQ_DUMPBUF();
- seqfd=-1;
-}
-
-void MidiOut::initDev (void)
-{
-#ifdef HAVE_OSS_SUPPORT
- int chn;
- if (!ok()) return;
- uchar gm_reset[5]={0x7e, 0x7f, 0x09, 0x01, 0xf7};
- sysex(gm_reset, sizeof(gm_reset));
- for (chn=0;chn<16;chn++)
- {
- chnmute[chn]=0;
- chnPatchChange(chn,0);
- chnPressure(chn,127);
- chnPitchBender(chn, 0x00, 0x40);
- chnController(chn, CTL_MAIN_VOLUME,110*volumepercentage);
- chnController(chn, CTL_EXT_EFF_DEPTH, 0);
- chnController(chn, CTL_CHORUS_DEPTH, 0);
- chnController(chn, 0x4a, 127);
- }
-#endif
-}
-
-void MidiOut::setMidiMapper(MidiMapper *_map)
-{
- delete map;
- map=_map;
-}
-
-void MidiOut::noteOn (uchar chn, uchar note, uchar vel)
-{
- if (vel==0)
- {
- noteOff(chn,note,vel);
- }
- else
- {
- SEQ_MIDIOUT(device, MIDI_NOTEON + map->channel(chn));
- SEQ_MIDIOUT(device, map->key(chn,chnpatch[chn],note));
- SEQ_MIDIOUT(device, vel);
- }
-#ifdef MIDIOUTDEBUG
- printfdebug("Note ON >\t chn : %d\tnote : %d\tvel: %d\n",chn,note,vel);
-#endif
-}
-
-void MidiOut::noteOff (uchar chn, uchar note, uchar vel)
-{
- SEQ_MIDIOUT(device, MIDI_NOTEOFF + map->channel(chn));
- SEQ_MIDIOUT(device, map->key(chn,chnpatch[chn],note));
- SEQ_MIDIOUT(device, vel);
-#ifdef MIDIOUTDEBUG
- printfdebug("Note OFF >\t chn : %d\tnote : %d\tvel: %d\n",chn,note,vel);
-#endif
-}
-
-void MidiOut::keyPressure (uchar chn, uchar note, uchar vel)
-{
- SEQ_MIDIOUT(device, MIDI_KEY_PRESSURE + map->channel(chn));
- SEQ_MIDIOUT(device, map->key(chn,chnpatch[chn],note));
- SEQ_MIDIOUT(device, vel);
-}
-
-void MidiOut::chnPatchChange (uchar chn, uchar patch)
-{
-#ifdef MIDIOUTDEBUG
- printfdebug("PATCHCHANGE [%d->%d] %d -> %d\n",
- chn,map->channel(chn),patch,map->patch(chn,patch));
-#endif
- SEQ_MIDIOUT(device, MIDI_PGM_CHANGE + map->channel(chn));
- SEQ_MIDIOUT(device, map->patch(chn,patch));
- chnpatch[chn]=patch;
-}
-
-void MidiOut::chnPressure (uchar chn, uchar vel)
-{
- SEQ_MIDIOUT(device, MIDI_CHN_PRESSURE + map->channel(chn));
- SEQ_MIDIOUT(device, vel);
-
- chnpressure[chn]=vel;
-}
-
-void MidiOut::chnPitchBender(uchar chn,uchar lsb, uchar msb)
-{
- SEQ_MIDIOUT(device, MIDI_PITCH_BEND + map->channel(chn));
- /*
-#ifdef AT_HOME
- short pbs=((short)msb<<7) | (lsb & 0x7F);
- pbs=pbs-0x2000;
- short pbs2=(((long)pbs*672)/4096);
- printfdebug("Pitch Bender (%d): %d -> %d \n",chn,pbs,pbs2);
- pbs2=pbs2+0x2000;
- lsb=pbs2 & 0x7F;
- msb=(pbs2 >> 7)&0x7F;
-#endif
- */
- map->pitchBender(chn,lsb,msb);
- SEQ_MIDIOUT(device, lsb);
- SEQ_MIDIOUT(device, msb);
- chnbender[chn]=(msb << 8) | (lsb & 0xFF);
-}
-
-void MidiOut::chnController (uchar chn, uchar ctl, uchar v)
-{
- SEQ_MIDIOUT(device, MIDI_CTL_CHANGE + map->channel(chn));
-#ifdef AT_HOME
- if (ctl==11) ctl=7;
-#endif
- map->controller(chn,ctl,v);
- if ((ctl==11)||(ctl==7))
- {
- v=(v*volumepercentage)/100;
- if (v>127) v=127;
- }
-
- SEQ_MIDIOUT(device, ctl);
- SEQ_MIDIOUT(device, v);
-
- chncontroller[chn][ctl]=v;
-}
-
-void MidiOut::sysex(uchar *data, ulong size)
-{
- ulong i=0;
- SEQ_MIDIOUT(device, MIDI_SYSTEM_PREFIX);
- while (i<size)
- {
- SEQ_MIDIOUT(device, *data);
- data++;
- i++;
- }
-#ifdef MIDIOUTDEBUG
- printfdebug("sysex\n");
-#endif
-}
-
-void MidiOut::allNotesOff (void)
-{
- for (int i=0; i<16; i++)
- {
- chnController(i, 0x78, 0);
- chnController(i, 0x79, 0);
- };
- sync(1);
-}
-
-void MidiOut::channelSilence (uchar chn)
-{
- uchar i;
- for ( i=0; i<127; i++)
- {
- noteOff(chn,i,0);
- };
- sync();
-}
-
-void MidiOut::channelMute(uchar chn, int a)
-{
- if (a==1)
- {
- chnmute[chn]=a;
- channelSilence(chn);
- }
- else if (a==0)
- {
- chnmute[chn]=a;
- }
- /* else ignore the call to this function */
-}
-
-void MidiOut::seqbuf_dump (void)
-{
-#ifdef HAVE_OSS_SUPPORT
- if (_seqbufptr && seqfd!=-1 && seqfd!=0)
- if (write (seqfd, _seqbuf, _seqbufptr) == -1)
- {
- printfdebug("Error writing to /dev/sequencer in MidiOut::seq_buf_dump\n");
- perror ("write /dev/sequencer in seqBufDump\n");
- exit (-1);
- }
- _seqbufptr = 0;
-#endif
-}
-
-void MidiOut::seqbuf_clean(void)
-{
-#ifdef HAVE_OSS_SUPPORT
- _seqbufptr=0;
-#endif
-}
-
-const char *MidiOut::midiMapFilename(void)
-{
- return (map!=NULL) ? map->filename() : "";
-}
-
-const char * MidiOut::deviceName(void) const
-{
- switch (deviceType())
- {
- case (KMID_EXTERNAL_MIDI) : return "External Midi";
- case (KMID_SYNTH) : return "Synth";
- case (KMID_FM) : return "FM";
- case (KMID_GUS) : return "GUS";
- case (KMID_AWE) : return "AWE";
- case (KMID_ALSA) : return reinterpret_cast<const AlsaOut *>(this)->deviceName();
- }
- return "Unknown";
-}
-
-void MidiOut::sync(int i)
-{
- if (deviceType()==KMID_ALSA) { // XXX : sync should be virtual after next bic
- reinterpret_cast<AlsaOut *>(this)->sync(i);
- return;
- }
- SEQ_DUMPBUF();
-}
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