libkmid Library API Documentation

midistat.cc

00001 /************************************************************************** 00002 00003 midistat.cc - class MidiStatus, change it internally and then send it. 00004 This file is part of LibKMid 0.9.5 00005 Copyright (C) 1997,98,99,2000 Antonio Larrosa Jimenez 00006 LibKMid's homepage : http://www.arrakis.es/~rlarrosa/libkmid.html 00007 00008 This library is free software; you can redistribute it and/or 00009 modify it under the terms of the GNU Library General Public 00010 License as published by the Free Software Foundation; either 00011 version 2 of the License, or (at your option) any later version. 00012 00013 This library is distributed in the hope that it will be useful, 00014 but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00016 Library General Public License for more details. 00017 00018 You should have received a copy of the GNU Library General Public License 00019 along with this library; see the file COPYING.LIB. If not, write to 00020 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, 00021 Boston, MA 02111-1307, USA. 00022 00023 Send comments and bug fixes to Antonio Larrosa <larrosa@kde.org> 00024 00025 ***************************************************************************/ 00026 #include "midistat.h" 00027 #include "deviceman.h" 00028 #include "sndcard.h" 00029 00030 #ifdef HAVE_CONFIG_H 00031 #include <config.h> 00032 #endif 00033 00034 extern int MT32toGM[128]; 00035 00036 MidiStatus::MidiStatus() 00037 { 00038 int i; 00039 tempo=1000000; 00040 for (int chn=0;chn<16;chn++) 00041 { 00042 chn_patch[chn]=0; 00043 chn_bender[chn]=0x4000; 00044 chn_pressure[chn]=127; 00045 for (i=0;i<256;i++) 00046 chn_controller[chn][i]=0; 00047 chn_controller[chn][CTL_MAIN_VOLUME]=127; 00048 chn_controller[chn][11]=127; 00049 chn_controller[chn][0x4a]=127; 00050 chn_lastisvolumeev[chn]=1; 00051 } 00052 } 00053 00054 MidiStatus::~MidiStatus() 00055 { 00056 } 00057 00058 // void noteOn ( uchar chn, uchar note, uchar vel ); 00059 // void noteOff ( uchar chn, uchar note, uchar vel ); 00060 00061 void MidiStatus::chnPatchChange ( uchar chn, uchar patch ) 00062 { 00063 chn_patch[chn]=patch; 00064 } 00065 00066 void MidiStatus::chnPressure ( uchar chn, uchar vel ) 00067 { 00068 chn_pressure[chn]=vel; 00069 } 00070 00071 void MidiStatus::chnPitchBender ( uchar chn, uchar lsb, uchar msb ) 00072 { 00073 chn_bender[chn]=((int)msb<<8|lsb); 00074 } 00075 00076 void MidiStatus::chnController ( uchar chn, uchar ctl , uchar v ) 00077 { 00078 if (ctl==7) chn_lastisvolumeev[chn]=1; 00079 else if (ctl==11) chn_lastisvolumeev[chn]=0; 00080 00081 chn_controller[chn][ctl]=v; 00082 } 00083 00084 void MidiStatus::tmrSetTempo(int v) 00085 { 00086 tempo=v; 00087 } 00088 00089 void MidiStatus::sendData(DeviceManager *midi,int gm) 00090 { 00091 for (int chn=0;chn<16;chn++) 00092 { 00093 #ifdef MIDISTATDEBUG 00094 printf("Restoring channel %d\n",chn); 00095 #endif 00096 midi->chnPatchChange(chn, 00097 (gm==1)?(chn_patch[chn]):(MT32toGM[chn_patch[chn]])); 00098 midi->chnPitchBender(chn,chn_bender[chn]&0xFF,chn_bender[chn]>>8); 00099 midi->chnPressure(chn,chn_pressure[chn]); 00100 if (chn_lastisvolumeev[chn]) 00101 { 00102 midi->chnController(chn,11,chn_controller[chn][11]); 00103 midi->chnController(chn,CTL_MAIN_VOLUME,chn_controller[chn][CTL_MAIN_VOLUME]); 00104 } else { 00105 midi->chnController(chn,CTL_MAIN_VOLUME,chn_controller[chn][CTL_MAIN_VOLUME]); 00106 midi->chnController(chn,11,chn_controller[chn][11]); 00107 } 00108 /* 00109 for (int i=0;i<256;i++) 00110 midi->chnController(chn,i,chn_controller[chn][i]); 00111 */ 00112 } 00113 midi->tmrSetTempo(tempo); 00114 midi->sync(); 00115 }
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This file is part of the documentation for libkmid Library Version 3.2.3.
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