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116 lines
3.2 KiB
116 lines
3.2 KiB
15 years ago
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/**************************************************************************
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midistat.cc - class MidiStatus, change it internally and then send it.
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This file is part of LibKMid 0.9.5
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Copyright (C) 1997,98,99,2000 Antonio Larrosa Jimenez
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LibKMid's homepage : http://www.arrakis.es/~rlarrosa/libkmid.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 "midistat.h"
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#include "deviceman.h"
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#include "sndcard.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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extern int MT32toGM[128];
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MidiStatus::MidiStatus()
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{
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int i;
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tempo=1000000;
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for (int chn=0;chn<16;chn++)
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{
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chn_patch[chn]=0;
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chn_bender[chn]=0x4000;
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chn_pressure[chn]=127;
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for (i=0;i<256;i++)
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chn_controller[chn][i]=0;
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chn_controller[chn][CTL_MAIN_VOLUME]=127;
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chn_controller[chn][11]=127;
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chn_controller[chn][0x4a]=127;
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chn_lastisvolumeev[chn]=1;
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}
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}
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MidiStatus::~MidiStatus()
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{
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}
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// void noteOn ( uchar chn, uchar note, uchar vel );
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// void noteOff ( uchar chn, uchar note, uchar vel );
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void MidiStatus::chnPatchChange ( uchar chn, uchar patch )
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{
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chn_patch[chn]=patch;
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}
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void MidiStatus::chnPressure ( uchar chn, uchar vel )
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{
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chn_pressure[chn]=vel;
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}
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void MidiStatus::chnPitchBender ( uchar chn, uchar lsb, uchar msb )
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{
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chn_bender[chn]=((int)msb<<8|lsb);
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}
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void MidiStatus::chnController ( uchar chn, uchar ctl , uchar v )
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{
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if (ctl==7) chn_lastisvolumeev[chn]=1;
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else if (ctl==11) chn_lastisvolumeev[chn]=0;
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chn_controller[chn][ctl]=v;
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}
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void MidiStatus::tmrSetTempo(int v)
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{
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tempo=v;
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}
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void MidiStatus::sendData(DeviceManager *midi,int gm)
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{
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for (int chn=0;chn<16;chn++)
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{
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#ifdef MIDISTATDEBUG
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printf("Restoring channel %d\n",chn);
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#endif
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midi->chnPatchChange(chn,
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(gm==1)?(chn_patch[chn]):(MT32toGM[chn_patch[chn]]));
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midi->chnPitchBender(chn,chn_bender[chn]&0xFF,chn_bender[chn]>>8);
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midi->chnPressure(chn,chn_pressure[chn]);
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if (chn_lastisvolumeev[chn])
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{
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midi->chnController(chn,11,chn_controller[chn][11]);
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midi->chnController(chn,CTL_MAIN_VOLUME,chn_controller[chn][CTL_MAIN_VOLUME]);
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} else {
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midi->chnController(chn,CTL_MAIN_VOLUME,chn_controller[chn][CTL_MAIN_VOLUME]);
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midi->chnController(chn,11,chn_controller[chn][11]);
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}
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/*
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for (int i=0;i<256;i++)
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midi->chnController(chn,i,chn_controller[chn][i]);
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*/
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}
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midi->tmrSetTempo(tempo);
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midi->sync();
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}
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