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Diffstat (limited to 'libkmid/synthout.cc')
| -rw-r--r-- | libkmid/synthout.cc | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/libkmid/synthout.cc b/libkmid/synthout.cc new file mode 100644 index 000000000..069bbd32f --- /dev/null +++ b/libkmid/synthout.cc @@ -0,0 +1,211 @@ +/************************************************************************** + + synthout.cc - class synthOut which handles the /dev/sequencer device + for synths (as AWE32) + This file is part of LibKMid 0.9.5 + Copyright (C) 1997,98 Antonio Larrosa Jimenez and P.J.Leonard + 1999,2000 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 <larrosa@kde.org> + +***************************************************************************/ +#include "synthout.h" +#include <unistd.h> +#include <fcntl.h> +#include <stdio.h> +#include "sndcard.h" +#include <sys/ioctl.h> +#include <errno.h> +#include <string.h> +#include <sys/param.h> +#include "awe_sup.h" +#include "midispec.h" + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +SEQ_USE_EXTBUF(); + +SynthOut::SynthOut(int d) +{ + seqfd = -1; + devicetype=KMID_SYNTH; + device= d; + _ok=1; +} + +SynthOut::~SynthOut() +{ + closeDev(); +} + +void SynthOut::openDev (int sqfd) +{ + _ok=1; + seqfd = sqfd; + if (seqfd==-1) + { + printfdebug("ERROR: Could not open /dev/sequencer\n"); + return; + } +#ifdef HAVE_OSS_SUPPORT + /* + int i=1; + ioctl(seqfd,SNDCTL_SEQ_THRESHOLD,i); + printfdebug("Threshold : %d\n",i); + */ +#ifdef SYNTHOUTDEBUG + printfdebug("Number of synth devices : %d\n",ndevs); + printfdebug("Number of midi ports : %d\n",nmidiports); + printfdebug("Rate : %d\n",m_rate); +#endif + +#ifdef HAVE_AWE32 + + struct synth_info info; + + // Should really collect the possible devices and let the user choose ? + + info.device = device; + + if (ioctl (seqfd, SNDCTL_SYNTH_INFO, &info) == -1) + printfdebug(" ioctl SNDCTL_SYNTH_INFO FAILED \n"); + + if (info.synth_type == SYNTH_TYPE_SAMPLE + && info.synth_subtype == SAMPLE_TYPE_AWE32) + { + + // Enable layered patches .... + AWE_SET_CHANNEL_MODE(device,1); +#ifdef SYNTHOUTDEBUG + printfdebug(" Found AWE32 dev=%d \n",device); +#endif + } +#endif // HAVE_AWE32 +#endif // HAVE_OSS_SUPPORT + +} + +void SynthOut::closeDev (void) +{ + if (!ok()) return; + //if (seqfd>=0) close(seqfd); + seqfd=-1; +} + +void SynthOut::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,127); + chnController(chn, CTL_EXT_EFF_DEPTH, 0); + chnController(chn, CTL_CHORUS_DEPTH, 0); + chnController(chn, 0x4a, 127); + } +#endif +} + +void SynthOut::noteOn (uchar chn, uchar note, uchar vel) +{ + if (vel==0) + { + noteOff(chn,note,vel); + } + else + { + SEQ_START_NOTE(device, map->channel(chn), + map->key(chn,chnpatch[chn],note), + vel); + } +#ifdef SYNTHOUTDEBUG + printfdebug("Note ON >\t chn : %d\tnote : %d\tvel: %d\n",chn,note,vel); +#endif +} + +void SynthOut::noteOff (uchar chn, uchar note, uchar) +{ + SEQ_STOP_NOTE(device, map->channel(chn), + map->key(chn,chnpatch[chn],note), 0); +#ifdef SYNTHOUTDEBUG + printfdebug("Note OFF >\t chn : %d\tnote : %d\tvel: %d\n",chn,note,vel); +#endif +} + +void SynthOut::keyPressure (uchar chn, uchar note, uchar vel) +{ + SEQ_KEY_PRESSURE(device, map->channel(chn), map->key(chn,chnpatch[chn],note),vel); +} + +void SynthOut::chnPatchChange (uchar chn, uchar patch) +{ + SEQ_SET_PATCH(device,map->channel(chn),map->patch(chn,patch)); + chnpatch[chn]=patch; +} + +void SynthOut::chnPressure (uchar chn, uchar vel) +{ + SEQ_CHN_PRESSURE(device, map->channel(chn) , vel); + chnpressure[chn]=vel; +} + +void SynthOut::chnPitchBender(uchar chn,uchar lsb, uchar msb) +{ + chnbender[chn]=((int)msb<<7) | (lsb & 0x7F); + SEQ_BENDER(device, map->channel(chn), chnbender[chn]); +} + +void SynthOut::chnController (uchar chn, uchar ctl, uchar v) +{ + if ((ctl==11)||(ctl==7)) + { + v=(v*volumepercentage)/100; + if (v>127) v=127; + } + + SEQ_CONTROL(device, map->channel(chn), ctl, v); + chncontroller[chn][ctl]=v; +} + +void SynthOut::sysex(uchar *, ulong ) +{ + // AWE32 doesn't respond to sysex (AFAIK) +/* +#ifndef HAVE_AWE32 + ulong i=0; + SEQ_MIDIOUT(device, MIDI_SYSTEM_PREFIX); + while (i<size) + { + SEQ_MIDIOUT(device, *data); + data++; + i++; + }; + printfdebug("sysex\n"); +#endif +*/ +} |