diff options
author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2013-01-26 13:17:21 -0600 |
---|---|---|
committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2013-01-26 13:17:21 -0600 |
commit | dfe289850f068f19ba4a83ab4e7e22a7e09c13c9 (patch) | |
tree | c297348a55df66c571de4525646e0b9762427353 /libtdemid/midiout.cc | |
parent | b7658a0d5eca24a9d37c6e04f88298ef02389db0 (diff) | |
download | tdelibs-dfe289850f068f19ba4a83ab4e7e22a7e09c13c9.tar.gz tdelibs-dfe289850f068f19ba4a83ab4e7e22a7e09c13c9.zip |
Rename a number of libraries and executables to avoid conflicts with KDE4
Diffstat (limited to 'libtdemid/midiout.cc')
-rw-r--r-- | libtdemid/midiout.cc | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/libtdemid/midiout.cc b/libtdemid/midiout.cc new file mode 100644 index 000000000..24a209cce --- /dev/null +++ b/libtdemid/midiout.cc @@ -0,0 +1,301 @@ +/************************************************************************** + + 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/libtdemid.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 <larrosa@kde.org> + +***************************************************************************/ +#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(); +} |