# libkmid Library API Documentation

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# alsaout.h

    00001 /*  alsaout.cc   - class AlsaOut which represents an alsa client/port pair
    00002     This file is part of LibKMid 0.9.5
    00003     Copyright (C) 1997,98,99,2000  Antonio Larrosa Jimenez
    00004     LibKMid's homepage : http://www.arrakis.es/~rlarrosa/libkmid.html
    00005
    00006     This library is free software; you can redistribute it and/or
    00007     modify it under the terms of the GNU Library General Public
    00008     License as published by the Free Software Foundation; either
    00009     version 2 of the License, or (at your option) any later version.
    00010
    00011     This library is distributed in the hope that it will be useful,
    00012     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00013     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00014     Library General Public License for more details.
    00015
    00016     You should have received a copy of the GNU Library General Public License
    00017     along with this library; see the file COPYING.LIB.  If not, write to
    00018     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    00019     Boston, MA 02111-1307, USA.
    00020
    00021     Send comments and bug fixes to Antonio Larrosa <larrosa@kde.org>
    00022
    00023 ***************************************************************************/
    00024 #ifndef _ALSAOUT_H
    00025 #define _ALSAOUT_H
    00026
    00027 #include <libkmid/midiout.h>
    00028
    00029 struct snd_seq_event;
    00030 typedef struct snd_seq_event snd_seq_event_t;
    00031
    00037 class AlsaOut : public MidiOut
    00038 {
    00039   friend class DeviceManager;
    00040
    00041   protected:
    00042
    00047   int ndevs;
    00048
    00053   int nmidiports;
    00054
    00055   double count;
    00056   double lastcount;
    00057   double lasttime;
    00058   double begintime;
    00059   int m_rate;
    00060
    00065   double convertrate;
    00066
    00067   long int time;
    00068
    00069   virtual void seqbuf_dump (void);
    00070   virtual void seqbuf_clean(void);
    00071   void eventInit(snd_seq_event_t *ev);
    00072   void eventSend(snd_seq_event_t *ep);
    00073   void timerEventSend(int type);
    00074
    00075   public:
    00076
    00082   AlsaOut(int d, int client=64, int port=0, const char *cname="", const char *pname="");
    00083
    00089   virtual ~AlsaOut();
    00090
    00099   virtual void openDev  (int sqfd);
    00100
    00106   virtual void closeDev ();
    00107
    00113   virtual void initDev  ();
    00114
    00129   int          deviceType () const { return devicetype; };
    00130
    00135   virtual const char * deviceName (void) const;
    00136
    00140   int  rate    (void) { return m_rate; };
    00141
    00145   virtual void noteOn   ( uchar chn, uchar note, uchar vel );
    00146
    00150   virtual void noteOff  ( uchar chn, uchar note, uchar vel );
    00151
    00155   virtual void keyPressure      ( uchar chn, uchar note, uchar vel );
    00156
    00160   virtual void chnPatchChange   ( uchar chn, uchar patch );
    00161
    00165   virtual void chnPressure      ( uchar chn, uchar vel );
    00166
    00170   virtual void chnPitchBender   ( uchar chn, uchar lsb,  uchar msb );
    00171
    00175   virtual void chnController    ( uchar chn, uchar ctl , uchar v );
    00176
    00180   virtual void sysex            ( uchar *data,ulong size);
    00181
    00185   virtual void channelSilence   ( uchar chn );
    00186
    00194   virtual void channelMute      ( uchar chn, int a );
    00195
    00203   virtual void setVolumePercentage ( int volper )
    00204   { volumepercentage = volper; };
    00205
    00209   int ok (void)
    00210   { if (seqfd<0) return 0;
    00211     return (_ok>0);
    00212   };
    00213
    00214   virtual void wait        (double ticks);
    00215   virtual void tmrSetTempo (int v);
    00216   virtual void tmrStart    (int tpcn);
    00217   virtual void tmrStart    () { tmrStart(-1); }
    00218   virtual void tmrStop     ();
    00219   virtual void tmrContinue ();
    00225   void sync        (int i=0);
    00226
    00227   class AlsaOutPrivate;
    00228   AlsaOutPrivate *di;
    00229 };
    00230
    00231 #endif // _ALSAOUT_H

This file is part of the documentation for kdelibs Version 3.1.5.
Documentation copyright © 1996-2002 the KDE developers.
Generated on Wed Jan 28 13:28:28 2004 by doxygen 1.3.4 written by Dimitri van Heesch, © 1997-2001