midistat.cc
/**************************************************************************
midistat.cc - class MidiStatus, change it internally and then send it.
This file is part of LibKMid 0.9.5
Copyright (C) 1997,98,99,2000 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 "midistat.h"
#include "deviceman.h"
#include "sndcard.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
extern int MT32toGM[128];
MidiStatus::MidiStatus()
{
int i;
tempo=1000000;
for (int chn=0;chn<16;chn++)
{
chn_patch[chn]=0;
chn_bender[chn]=0x4000;
chn_pressure[chn]=127;
for (i=0;i<256;i++)
chn_controller[chn][i]=0;
chn_controller[chn][CTL_MAIN_VOLUME]=127;
chn_controller[chn][11]=127;
chn_controller[chn][0x4a]=127;
chn_lastisvolumeev[chn]=1;
}
}
MidiStatus::~MidiStatus()
{
}
// void noteOn ( uchar chn, uchar note, uchar vel );
// void noteOff ( uchar chn, uchar note, uchar vel );
void MidiStatus::chnPatchChange ( uchar chn, uchar patch )
{
chn_patch[chn]=patch;
}
void MidiStatus::chnPressure ( uchar chn, uchar vel )
{
chn_pressure[chn]=vel;
}
void MidiStatus::chnPitchBender ( uchar chn, uchar lsb, uchar msb )
{
chn_bender[chn]=((int)msb<<8|lsb);
}
void MidiStatus::chnController ( uchar chn, uchar ctl , uchar v )
{
if (ctl==7) chn_lastisvolumeev[chn]=1;
else if (ctl==11) chn_lastisvolumeev[chn]=0;
chn_controller[chn][ctl]=v;
}
void MidiStatus::tmrSetTempo(int v)
{
tempo=v;
}
void MidiStatus::sendData(DeviceManager *midi,int gm)
{
for (int chn=0;chn<16;chn++)
{
#ifdef MIDISTATDEBUG
printf("Restoring channel %d\n",chn);
#endif
midi->chnPatchChange(chn,
(gm==1)?(chn_patch[chn]):(MT32toGM[chn_patch[chn]]));
midi->chnPitchBender(chn,chn_bender[chn]&0xFF,chn_bender[chn]>>8);
midi->chnPressure(chn,chn_pressure[chn]);
if (chn_lastisvolumeev[chn])
{
midi->chnController(chn,11,chn_controller[chn][11]);
midi->chnController(chn,CTL_MAIN_VOLUME,chn_controller[chn][CTL_MAIN_VOLUME]);
} else {
midi->chnController(chn,CTL_MAIN_VOLUME,chn_controller[chn][CTL_MAIN_VOLUME]);
midi->chnController(chn,11,chn_controller[chn][11]);
}
/*
for (int i=0;i<256;i++)
midi->chnController(chn,i,chn_controller[chn][i]);
*/
}
midi->tmrSetTempo(tempo);
midi->sync();
}
MidiStatus::chnController
void chnController(uchar chn, uchar ctl, uchar v)
Stores a new value for controller ctl in channel chn.
Definition: midistat.cc:76
MidiStatus::MidiStatus
MidiStatus()
Constructor.
Definition: midistat.cc:36
MidiStatus::chnPatchChange
void chnPatchChange(uchar chn, uchar patch)
Stores a new patch in channel chn.
Definition: midistat.cc:61
DeviceManager::chnPressure
void chnPressure(uchar chn, uchar vel)
Changes the Pressure (Aftertouch) on a MIDI channel.
Definition: deviceman.cc:516
DeviceManager::chnController
void chnController(uchar chn, uchar ctl, uchar v)
Sends a Controller event to a MIDI channel.
Definition: deviceman.cc:526
MidiStatus::chnPressure
void chnPressure(uchar chn, uchar vel)
Stores a new channel pressure value in channel chn.
Definition: midistat.cc:66
DeviceManager::chnPatchChange
void chnPatchChange(uchar chn, uchar patch)
Changes the patch (instrument) on a MIDI channel.
Definition: deviceman.cc:511
MidiStatus::tmrSetTempo
void tmrSetTempo(int v)
Sets the tempo.
Definition: midistat.cc:84
DeviceManager::sync
void sync(bool f=0)
Synchronizes with the MIDI buffer.
Definition: deviceman.cc:632
DeviceManager::tmrSetTempo
void tmrSetTempo(int v)
Sets the tempo which will be used to convert between ticks and milliseconds.
Definition: deviceman.cc:553
DeviceManager::chnPitchBender
void chnPitchBender(uchar chn, uchar lsb, uchar msb)
Changes the Pitch Bender value on a MIDI channel.
Definition: deviceman.cc:521
MidiStatus::~MidiStatus
~MidiStatus()
Destructor.
Definition: midistat.cc:54
DeviceManager
MIDI Device Manager class .
Definition: deviceman.h:47
MidiStatus::chnPitchBender
void chnPitchBender(uchar chn, uchar lsb, uchar msb)
Stores a new pitch bender value in channel chn.
Definition: midistat.cc:71
MidiStatus::sendData
void sendData(class DeviceManager *midi, int gm=1)
Sends the current MIDI state to the DeviceManager object used as parameter (you should have already s...
Definition: midistat.cc:89

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