Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 571 insertions, 0 deletions

diff --git a/libkmid/alsaout.cc b/libkmid/alsaout.cc
new file mode 100644
index 000000000..73effc2e3
--- /dev/null
+++ b/libkmid/alsaout.cc
@@ -0,0 +1,571 @@
+/**************************************************************************
+
+    alsaout.cc   - class AlsaOut which represents an alsa client/port pair
+    This file is part of LibKMid 0.9.5
+    Copyright (C) 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 "alsaout.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"
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifdef HAVE_ALSA_ASOUNDLIB_H
+#	include <alsa/asoundlib.h>
+#elif defined(HAVE_SYS_ASOUNDLIB_H)
+#	include <sys/asoundlib.h>
+#endif
+
+#ifdef HAVE_LIBASOUND2
+#	define HAVE_ALSA_SEQ 1
+#	define snd_seq_flush_output(x)	snd_seq_drain_output(x)
+#elif defined(HAVE_LIBASOUND)
+#	define HAVE_ALSA_SEQ 1
+#	include <linux/asequencer.h>
+#endif
+
+
+SEQ_USE_EXTBUF();
+
+class AlsaOut::AlsaOutPrivate
+{
+public:
+#ifdef HAVE_ALSA_SEQ
+  AlsaOutPrivate(int _client, int _port, const char *cname,const char *pname)
+    {
+      handle=0L;
+      src=tgt=0L;
+      queue=0;
+      tPCN=1;
+      tgtclient=_client;
+      tgtport=_port;
+      tgtname=new char[strlen(cname)+strlen(pname)+3];
+      strcpy(tgtname, cname);
+      strcat(tgtname, "  ");
+      strcat(tgtname, pname);
+      ev=new snd_seq_event_t;
+      timerStarted=false;
+    }
+#else
+  AlsaOutPrivate(int, int, const char *,const char *)
+    {
+    }
+#endif
+
+  ~AlsaOutPrivate()
+    {
+#ifdef HAVE_ALSA_SEQ
+      delete ev;
+      delete tgtname;
+#endif
+    }
+
+#ifdef HAVE_ALSA_SEQ
+  snd_seq_t *handle;
+  int  client;
+  int  queue;
+  snd_seq_addr_t *src;
+  snd_seq_addr_t *tgt;
+
+  snd_seq_event_t *ev;
+  int tPCN;
+
+  int tgtclient;
+  int tgtport;
+  char *tgtname;
+
+  bool timerStarted;
+
+#endif
+};
+
+AlsaOut::AlsaOut(int d,int _client, int _port, const char *cname,const char *pname) : MidiOut (d)
+{
+  di = new AlsaOutPrivate( _client, _port, cname, pname);
+  seqfd = 0;
+  devicetype=KMID_ALSA;
+  device= d;
+
+  volumepercentage=100;
+#ifdef HAVE_ALSA_SEQ
+//  printf("%d %d %d (%s)\n",device, di->tgtclient, di->tgtport, di->tgtname);
+#endif
+
+  _ok=1;
+}
+
+AlsaOut::~AlsaOut()
+{
+  closeDev();
+  delete di;
+}
+
+void AlsaOut::openDev (int)
+{
+#ifndef HAVE_ALSA_SEQ
+  return;
+#else
+  _ok=1;
+#ifdef HAVE_LIBASOUND2
+  if (snd_seq_open(&di->handle, "hw", SND_SEQ_OPEN_DUPLEX, 0) < 0)
+                fprintf(stderr, "Couldn't open sequencer: %s", snd_strerror(errno));
+#else
+  if (snd_seq_open(&di->handle, SND_SEQ_OPEN) < 0)
+                fprintf(stderr, "Couldn't open sequencer: %s", snd_strerror(errno));
+#endif
+
+  di->queue = snd_seq_alloc_queue(di->handle);
+  if (di->queue < 0) {fprintf(stderr, "Couldn't allocate queue"); return; };
+  di->client = snd_seq_client_id(di->handle);
+  if (di->client < 0) {fprintf(stderr, "Couldn't get client id"); return; };
+  di->tgt = new snd_seq_addr_t;
+  di->tgt->client=di->tgtclient;
+  di->tgt->port=di->tgtport;
+
+  di->src = new snd_seq_addr_t;
+  di->src->client = di->client;
+  int port = snd_seq_create_simple_port(di->handle, NULL,
+	SND_SEQ_PORT_CAP_WRITE | SND_SEQ_PORT_CAP_SUBS_WRITE
+	| SND_SEQ_PORT_CAP_READ, SND_SEQ_PORT_TYPE_MIDI_GENERIC);
+  if ( port < 0 )
+  {
+    delete di->src;
+    delete di->tgt;
+    di->src=0;
+    di->tgt=0;
+    _ok=0;
+    time=0;
+    snd_seq_free_queue(di->handle, di->queue);
+    snd_seq_close(di->handle);
+    fprintf(stderr, "Cannot connect to %d:%d\n",di->tgtclient,di->tgtport);
+    return;
+  }
+  di->src->port = port;
+  
+
+  int r=snd_seq_connect_to(di->handle, di->src->port, di->tgt->client, di->tgt->port);
+  if (r < 0) { _ok=0; fprintf(stderr, "Cannot connect to %d:%d\n",di->tgtclient,di->tgtport); }
+  time=0;
+#endif
+}
+
+void AlsaOut::closeDev (void)
+{
+  if (!ok()) return;
+#ifdef HAVE_ALSA_SEQ
+  if (di->handle)
+  {
+    if (di->src) 
+    {
+       snd_seq_delete_simple_port(di->handle,di->src->port);
+       delete di->src;
+       di->src=0;
+    }
+    if (di->tgt) 
+    {
+       delete di->tgt;
+       di->tgt=0;
+    }
+    if (di->queue) 
+    {
+      snd_seq_free_queue(di->handle, di->queue);
+      snd_seq_close(di->handle);
+    }
+    di->handle=0;
+  }
+
+#endif
+}
+
+void AlsaOut::initDev (void)
+{
+#ifdef HAVE_ALSA_SEQ
+  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;
+    if (chn!=9) chnPatchChange(chn,0);
+    chnPressure(chn,64);
+    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
+}
+
+#ifdef HAVE_ALSA_SEQ
+void AlsaOut::eventInit(snd_seq_event_t *ev)
+{
+  snd_seq_ev_clear(ev);
+  snd_seq_real_time_t tmp;
+  tmp.tv_sec=(time)/1000;
+  tmp.tv_nsec=(time%1000)*1000000;
+//  printf("time : %d %d %d\n",(int)time,(int)tmp.tv_sec, (int)tmp.tv_nsec);
+  if (!di->src) { fprintf(stderr,"AlsaOut::eventInit : no source\n"); return; }
+  ev->source = *di->src;
+  if (!di->tgt) { fprintf(stderr,"AlsaOut::eventInit : no target\n"); return; }
+  ev->dest = *di->tgt;
+
+  snd_seq_ev_schedule_real(ev, di->queue, 0, &tmp);
+}
+
+void AlsaOut::eventSend(snd_seq_event_t *ev)
+{
+    /*int err = */ snd_seq_event_output(di->handle, ev);
+/*        if (err < 0)
+                return;
+*/
+//#ifndef SND_SEQ_IOCTL_GET_CLIENT_POOL
+        /*
+         * If this is not defined then block mode writes will not be
+         * working correctly.  Therefore loop until all events are flushed
+         * out.
+         */
+/*        err = 0;
+        do {
+                err = snd_seq_flush_output(di->handle);
+                if (err > 0)
+                        usleep(2000);
+        } while (err > 0);
+
+#endif
+
+        return ;
+*/
+}
+
+void AlsaOut::timerEventSend(int type)
+{
+  snd_seq_event_t ev;
+
+  ev.queue = di->queue;
+  ev.dest.client = SND_SEQ_CLIENT_SYSTEM;
+  ev.dest.port = SND_SEQ_PORT_SYSTEM_TIMER;
+
+  ev.data.queue.queue = di->queue;
+
+  ev.flags = SND_SEQ_TIME_STAMP_REAL | SND_SEQ_TIME_MODE_REL;
+  ev.time.time.tv_sec = 0;
+  ev.time.time.tv_nsec = 0;
+
+  ev.type = type;
+
+  snd_seq_event_output(di->handle, &ev);
+  snd_seq_flush_output(di->handle);
+}
+
+#endif // HAVE_ALSA_SEQ
+
+#ifndef HAVE_ALSA_SEQ
+void AlsaOut::noteOn  (uchar , uchar , uchar )
+{
+#else
+void AlsaOut::noteOn  (uchar chn, uchar note, uchar vel)
+{
+  if (vel==0)
+  {
+    noteOff(chn,note,vel);
+  }
+  else
+  {
+    eventInit(di->ev);
+    snd_seq_ev_set_noteon(di->ev,map->channel(chn), map->key(chn,chnpatch[chn],note), vel);
+    eventSend(di->ev);
+  }
+#endif
+#ifdef MIDIOUTDEBUG
+  printfdebug("Note ON >\t chn : %d\tnote : %d\tvel: %d\n",chn,note,vel);
+#endif
+}
+
+#ifndef HAVE_ALSA_SEQ
+void AlsaOut::noteOff (uchar , uchar , uchar )
+{
+#else
+void AlsaOut::noteOff (uchar chn, uchar note, uchar vel)
+{
+  eventInit(di->ev);
+  snd_seq_ev_set_noteoff(di->ev,map->channel(chn), map->key(chn,chnpatch[chn],note), vel);
+  eventSend(di->ev);
+#endif
+#ifdef MIDIOUTDEBUG
+  printfdebug("Note OFF >\t chn : %d\tnote : %d\tvel: %d\n",chn,note,vel);
+#endif
+}
+
+#ifndef HAVE_ALSA_SEQ
+void AlsaOut::keyPressure (uchar , uchar , uchar )
+{
+#else
+void AlsaOut::keyPressure (uchar chn, uchar note, uchar vel)
+{
+  eventInit(di->ev);
+  snd_seq_ev_set_keypress(di->ev,map->channel(chn), map->key(chn,chnpatch[chn],note), vel);
+  eventSend(di->ev);
+#endif
+}
+
+#ifndef HAVE_ALSA_SEQ
+void AlsaOut::chnPatchChange (uchar , uchar )
+{
+#else
+void AlsaOut::chnPatchChange (uchar chn, uchar patch)
+{
+#ifdef MIDIOUTDEBUG
+  printfdebug("PATCHCHANGE [%d->%d] %d -> %d\n",
+      chn,map->channel(chn),patch,map->patch(chn,patch));
+#endif
+  eventInit(di->ev);
+  snd_seq_ev_set_pgmchange(di->ev,map->channel(chn), map->patch(chn,patch));
+  eventSend(di->ev);
+  chnpatch[chn]=patch;
+#endif
+}
+
+#ifndef HAVE_ALSA_SEQ
+void AlsaOut::chnPressure (uchar , uchar )
+{
+#else
+void AlsaOut::chnPressure (uchar chn, uchar vel)
+{
+  eventInit(di->ev);
+  snd_seq_ev_set_chanpress(di->ev,map->channel(chn), vel);
+  eventSend(di->ev);
+
+  chnpressure[chn]=vel;
+#endif
+}
+
+#ifndef HAVE_ALSA_SEQ
+void AlsaOut::chnPitchBender(uchar ,uchar , uchar )
+{
+#else
+void AlsaOut::chnPitchBender(uchar chn,uchar lsb, uchar msb)
+{
+  map->pitchBender(chn,lsb,msb);
+  chnbender[chn]=((short)msb<<7) | (lsb & 0x7F);
+  chnbender[chn]=chnbender[chn]-0x2000;
+
+  eventInit(di->ev);
+  snd_seq_ev_set_pitchbend(di->ev,map->channel(chn), chnbender[chn]);
+  eventSend(di->ev);
+#endif
+}
+
+#ifndef HAVE_ALSA_SEQ
+void AlsaOut::chnController (uchar , uchar , uchar )
+{
+#else
+void AlsaOut::chnController (uchar chn, uchar ctl, uchar v)
+{
+  map->controller(chn,ctl,v);
+  if ((ctl==11)||(ctl==7))
+  {
+    v=(v*volumepercentage)/100;
+    if (v>127) v=127;
+  }
+
+  eventInit(di->ev);
+  snd_seq_ev_set_controller(di->ev,map->channel(chn), ctl, v);
+  eventSend(di->ev);
+
+  chncontroller[chn][ctl]=v;
+#endif
+}
+
+#ifndef HAVE_ALSA_SEQ
+void AlsaOut::sysex(uchar *, ulong )
+{
+#else
+void AlsaOut::sysex(uchar *data, ulong size)
+{
+  eventInit(di->ev);
+  snd_seq_ev_set_sysex(di->ev, size, data);
+  eventSend(di->ev);
+#endif
+
+#ifdef MIDIOUTDEBUG
+  printfdebug("sysex\n");
+#endif
+}
+
+#ifndef HAVE_ALSA_SEQ
+void AlsaOut::channelSilence (uchar )
+{
+#else
+void AlsaOut::channelSilence (uchar chn)
+{
+  uchar i;
+  for ( i=0; i<127; i++)
+  {
+    noteOff(chn,i,0);
+  }
+#endif
+}
+
+#ifndef HAVE_ALSA_SEQ
+void AlsaOut::channelMute(uchar , int )
+{
+#else
+void AlsaOut::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 procedure */
+#endif
+}
+
+void AlsaOut::seqbuf_dump (void)
+{
+  printf("You shouldn't be here.\n");
+}
+
+void AlsaOut::seqbuf_clean(void)
+{
+  printf("You shouldn't be here neither.\n");
+}
+
+void AlsaOut::wait(double ticks)
+{
+//  SEQ_WAIT_TIME(((int)(ticks/convertrate)));
+  time=(long int)ticks;
+
+#ifdef MIDIOUTDEBUG
+  printfdebug("Wait  >\t ticks: %g\n",ticks);
+#endif
+}
+
+#ifndef HAVE_ALSA_SEQ
+void AlsaOut::tmrSetTempo(int )
+{
+#else
+void AlsaOut::tmrSetTempo(int v)
+{
+  eventInit(di->ev);
+  di->ev->type = SND_SEQ_EVENT_TEMPO;
+  snd_seq_ev_set_direct(di->ev);
+  di->ev->data.queue.queue = di->queue;
+  di->ev->data.queue.param.value = v;
+  di->ev->dest.client = SND_SEQ_CLIENT_SYSTEM;
+  di->ev->dest.port = SND_SEQ_PORT_SYSTEM_TIMER;
+  snd_seq_event_output_direct(di->handle, di->ev);
+#ifdef MIDIOUTDEBUG
+  printfdebug("SETTEMPO  >\t tempo: %d\n",v);
+#endif
+#endif
+}
+
+#ifndef HAVE_ALSA_SEQ
+void AlsaOut::sync(int )
+{
+#else
+void AlsaOut::sync(int i)
+{
+  if (i==1)
+  {
+    snd_seq_flush_output(di->handle);
+  }
+
+  if (di->timerStarted && di->src)
+  {
+    eventInit(di->ev);
+    di->ev->dest = *di->src;
+    eventSend(di->ev);
+    snd_seq_flush_output(di->handle);
+    snd_seq_event_input(di->handle,&di->ev);
+  }
+
+#endif
+}
+
+#ifndef HAVE_ALSA_SEQ
+void AlsaOut::tmrStart(int )
+{
+#else
+void AlsaOut::tmrStart(int tpcn)
+{
+  int  ret;
+  di->timerStarted=true;
+  di->tPCN=tpcn;
+
+#ifdef HAVE_LIBASOUND2
+  snd_seq_queue_tempo_t *queuetempo;
+  snd_seq_queue_tempo_alloca(&queuetempo);
+  snd_seq_queue_tempo_set_ppq(queuetempo, tpcn);
+  snd_seq_queue_tempo_set_tempo(queuetempo, 60*1000000/120);
+  ret = snd_seq_set_queue_tempo(di->handle, di->queue, queuetempo);
+#else
+  snd_seq_queue_tempo_t queuetempo;
+  memset(&queuetempo, 0, sizeof(queuetempo));
+  queuetempo.queue = di->queue;
+  queuetempo.ppq = tpcn;
+  queuetempo.tempo = 60*1000000/120;
+  ret = snd_seq_set_queue_tempo(di->handle, di->queue, &queuetempo);
+#endif
+
+  timerEventSend(SND_SEQ_EVENT_START);
+  snd_seq_start_queue(di->handle,di->queue,NULL);
+#endif
+}
+
+void AlsaOut::tmrStop(void)
+{
+#ifdef HAVE_ALSA_SEQ
+  di->timerStarted=false;
+  timerEventSend(SND_SEQ_EVENT_STOP);
+#endif
+}
+
+void AlsaOut::tmrContinue(void)
+{
+}
+
+const char * AlsaOut::deviceName(void) const
+{
+#ifdef HAVE_ALSA_SEQ
+  return di->tgtname;
+#else
+  return 0L;
+#endif
+}