summaryrefslogtreecommitdiffstats
path: root/libtdemid/synthout.cc
diff options
context:
space:
mode:
Diffstat (limited to 'libtdemid/synthout.cc')
-rw-r--r--libtdemid/synthout.cc211
1 files changed, 211 insertions, 0 deletions
diff --git a/libtdemid/synthout.cc b/libtdemid/synthout.cc
new file mode 100644
index 000000000..6d7ef47a1
--- /dev/null
+++ b/libtdemid/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/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 "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
+*/
+}