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212 lines
5.0 KiB
212 lines
5.0 KiB
/**************************************************************************
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synthout.cc - class synthOut which handles the /dev/sequencer device
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for synths (as AWE32)
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This file is part of LibKMid 0.9.5
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Copyright (C) 1997,98 Antonio Larrosa Jimenez and P.J.Leonard
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1999,2000 Antonio Larrosa Jimenez
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LibKMid's homepage : http://www.arrakis.es/~rlarrosa/libtdemid.html
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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Send comments and bug fixes to Antonio Larrosa <larrosa@kde.org>
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***************************************************************************/
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#include "synthout.h"
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#include <unistd.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include "sndcard.h"
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#include <sys/ioctl.h>
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#include <errno.h>
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#include <string.h>
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#include <sys/param.h>
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#include "awe_sup.h"
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#include "midispec.h"
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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SEQ_USE_EXTBUF();
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SynthOut::SynthOut(int d)
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{
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seqfd = -1;
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devicetype=KMID_SYNTH;
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device= d;
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_ok=1;
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}
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SynthOut::~SynthOut()
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{
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closeDev();
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}
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void SynthOut::openDev (int sqfd)
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{
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_ok=1;
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seqfd = sqfd;
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if (seqfd==-1)
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{
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printfdebug("ERROR: Could not open /dev/sequencer\n");
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return;
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}
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#ifdef HAVE_OSS_SUPPORT
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/*
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int i=1;
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ioctl(seqfd,SNDCTL_SEQ_THRESHOLD,i);
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printfdebug("Threshold : %d\n",i);
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*/
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#ifdef SYNTHOUTDEBUG
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printfdebug("Number of synth devices : %d\n",ndevs);
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printfdebug("Number of midi ports : %d\n",nmidiports);
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printfdebug("Rate : %d\n",m_rate);
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#endif
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#ifdef HAVE_AWE32
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struct synth_info info;
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// Should really collect the possible devices and let the user choose ?
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info.device = device;
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if (ioctl (seqfd, SNDCTL_SYNTH_INFO, &info) == -1)
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printfdebug(" ioctl SNDCTL_SYNTH_INFO FAILED \n");
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if (info.synth_type == SYNTH_TYPE_SAMPLE
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&& info.synth_subtype == SAMPLE_TYPE_AWE32)
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{
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// Enable layered patches ....
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AWE_SET_CHANNEL_MODE(device,1);
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#ifdef SYNTHOUTDEBUG
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printfdebug(" Found AWE32 dev=%d \n",device);
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#endif
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}
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#endif // HAVE_AWE32
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#endif // HAVE_OSS_SUPPORT
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}
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void SynthOut::closeDev (void)
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{
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if (!ok()) return;
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//if (seqfd>=0) close(seqfd);
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seqfd=-1;
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}
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void SynthOut::initDev (void)
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{
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#ifdef HAVE_OSS_SUPPORT
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int chn;
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if (!ok()) return;
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uchar gm_reset[5]={0x7e, 0x7f, 0x09, 0x01, 0xf7};
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sysex(gm_reset, sizeof(gm_reset));
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for (chn=0;chn<16;chn++)
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{
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chnmute[chn]=0;
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chnPatchChange(chn,0);
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chnPressure(chn,127);
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chnPitchBender(chn, 0x00, 0x40);
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chnController(chn, CTL_MAIN_VOLUME,127);
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chnController(chn, CTL_EXT_EFF_DEPTH, 0);
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chnController(chn, CTL_CHORUS_DEPTH, 0);
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chnController(chn, 0x4a, 127);
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}
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#endif
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}
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void SynthOut::noteOn (uchar chn, uchar note, uchar vel)
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{
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if (vel==0)
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{
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noteOff(chn,note,vel);
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}
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else
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{
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SEQ_START_NOTE(device, map->channel(chn),
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map->key(chn,chnpatch[chn],note),
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vel);
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}
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#ifdef SYNTHOUTDEBUG
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printfdebug("Note ON >\t chn : %d\tnote : %d\tvel: %d\n",chn,note,vel);
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#endif
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}
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void SynthOut::noteOff (uchar chn, uchar note, uchar)
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{
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SEQ_STOP_NOTE(device, map->channel(chn),
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map->key(chn,chnpatch[chn],note), 0);
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#ifdef SYNTHOUTDEBUG
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printfdebug("Note OFF >\t chn : %d\tnote : %d\tvel: %d\n",chn,note,vel);
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#endif
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}
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void SynthOut::keyPressure (uchar chn, uchar note, uchar vel)
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{
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SEQ_KEY_PRESSURE(device, map->channel(chn), map->key(chn,chnpatch[chn],note),vel);
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}
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void SynthOut::chnPatchChange (uchar chn, uchar patch)
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{
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SEQ_SET_PATCH(device,map->channel(chn),map->patch(chn,patch));
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chnpatch[chn]=patch;
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}
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void SynthOut::chnPressure (uchar chn, uchar vel)
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{
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SEQ_CHN_PRESSURE(device, map->channel(chn) , vel);
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chnpressure[chn]=vel;
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}
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void SynthOut::chnPitchBender(uchar chn,uchar lsb, uchar msb)
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{
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chnbender[chn]=((int)msb<<7) | (lsb & 0x7F);
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SEQ_BENDER(device, map->channel(chn), chnbender[chn]);
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}
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void SynthOut::chnController (uchar chn, uchar ctl, uchar v)
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{
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if ((ctl==11)||(ctl==7))
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{
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v=(v*volumepercentage)/100;
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if (v>127) v=127;
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}
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SEQ_CONTROL(device, map->channel(chn), ctl, v);
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chncontroller[chn][ctl]=v;
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}
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void SynthOut::sysex(uchar *, ulong )
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{
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// AWE32 doesn't respond to sysex (AFAIK)
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/*
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#ifndef HAVE_AWE32
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ulong i=0;
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SEQ_MIDIOUT(device, MIDI_SYSTEM_PREFIX);
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while (i<size)
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{
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SEQ_MIDIOUT(device, *data);
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data++;
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i++;
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};
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printfdebug("sysex\n");
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#endif
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*/
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}
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