diff options
Diffstat (limited to 'libkmid/midistat.cc')
-rw-r--r-- | libkmid/midistat.cc | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/libkmid/midistat.cc b/libkmid/midistat.cc new file mode 100644 index 000000000..29d1436c8 --- /dev/null +++ b/libkmid/midistat.cc @@ -0,0 +1,115 @@ +/************************************************************************** + + 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(); +} |