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Diffstat (limited to 'arts/midi/midisend.cpp')
-rw-r--r-- | arts/midi/midisend.cpp | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/arts/midi/midisend.cpp b/arts/midi/midisend.cpp new file mode 100644 index 00000000..2b976d61 --- /dev/null +++ b/arts/midi/midisend.cpp @@ -0,0 +1,375 @@ +/* + +Copyright (C) 1999 Emmeran Seehuber + the_emmy@gmx.de + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program 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 General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + +*/ + +/* + Changes: + 16.09.1999 Emmeran "Emmy" Seehuber <the_emmy@gmx.de> + - Implementeted mapping of channels and pitches. + - Reworked option parsing, now using getopt(). + Note: The parameters of the programms have changed ! +*/ + +/* +** This program was in original by David G. Slomin. +** It was released to the Public Domain on 1/25/99. +*/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "midisend.h" +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> + +using namespace std; + +int input_fd = -1, test = 0, verbose = 0; +char cFileName[1025]; +int optch; +CMidiMap Map; + +void usage(char *prog) +{ + fprintf(stderr,"\n"); + fprintf(stderr,"Usage: %s [ -f <mididevice> ] [ -m <mapfile> ] [ -v ] [ -t <loop> ]\n",prog); + fprintf(stderr," -f the mididevice to read the input from.\n"); + fprintf(stderr," Default is /dev/midi. If you specify a dash, it is stdin\n"); + fprintf(stderr," -m the mapfile to load.\n"); + fprintf(stderr," -v verbose output.\n"); + fprintf(stderr," -t test mode. Generates a testoutput on the midibus\n"); + fprintf(stderr," -l long test mode. Generates a testoutput on the midibus\n"); + exit(1); +} + +void parseArgs(int argc, char** argv) +{ + // Setup default + strcpy(cFileName,"/dev/midi"); + + while((optch = getopt(argc,argv,"m:f:vtl")) > 0) + { + switch(optch) + { + case 'm': if( !Map.readMap(optarg) ) + fprintf(stderr,"%s: can't read file %s!\n",argv[0],optarg); + break; + case 't': test = 1; + break; + case 'l': test = 2; + break; +#ifdef VERSION + case 'v': verbose = 1; printf("MidiSend %s\n", VERSION ); + break; +#endif + case 'f': strncpy(cFileName,optarg,1024); + break; + default: usage(argv[0]); + break; + } + } +} + + +#ifdef COMMON_BINARY +int midisend_main(int argc, char *argv[]) +#else +int main(int argc, char *argv[]) +#endif +{ + Arts::Dispatcher dispatcher; + Arts::MidiManager manager = Arts::Reference("global:Arts_MidiManager"); + + if (manager.isNull()) + { + fprintf(stderr, "%s trouble: No midimanager object found; please start " + "artsd.\n",argv[0]); + exit(EXIT_FAILURE); + } + + /* + ** MIDI input initialization. + */ + + parseArgs(argc,argv); + + string title = string("midisend (") + cFileName +")"; + Arts::MidiClient client + = manager.addClient(Arts::mcdPlay,Arts::mctApplication,title,"midisend"); + Arts::MidiPort port = client.addOutputPort(); + + if(test) + { + if( verbose ) + printf("performing test ...\n"); + unsigned long i,max=5000; + if(test==2) max = 20000; + for(i=0;i<max;i++) + { + port.processCommand( + Arts::MidiCommand(Arts::mcsNoteOn, 60+(i%12), 100)); + port.processCommand( + Arts::MidiCommand(Arts::mcsNoteOff,60+(i%12), 0)); + } + exit(0); + } + + if( verbose ) + printf("trying to open %s ...", cFileName ); + + input_fd = open(cFileName,O_RDONLY); + + if(input_fd == -1) + { + fprintf(stderr,"\n%s trouble: can't open input device!\n",argv[0]); + exit(EXIT_FAILURE); + } + else if( verbose ) + printf(" ok!\n"); + + + /* + ** Main loop. + */ + + if(verbose) + printf("beginning loop ...\n"); + + unsigned char msg[3]; + + while (1) + { + midimsgRead(input_fd, msg); + switch (midimsgGetMessageType(msg)) + { + case MIDIMSG_NOTE_OFF: + Map.mapMsg(msg); + port.processCommand( + Arts::MidiCommand(Arts::mcsNoteOff|midimsgGetChannel(msg), + midimsgGetPitch(msg), midimsgGetVelocity(msg))); + if( verbose ) + printf("NoteOff: Channel %d, Pitch %3d\n", midimsgGetChannel(msg),midimsgGetPitch(msg)); + break; + case MIDIMSG_NOTE_ON: + Map.mapMsg(msg); + port.processCommand( + Arts::MidiCommand(Arts::mcsNoteOn|midimsgGetChannel(msg), + midimsgGetPitch(msg), midimsgGetVelocity(msg))); + if( verbose ) + printf("NoteOn : Channel %d, Pitch %3d, Velocity %2d\n", midimsgGetChannel(msg), + midimsgGetPitch(msg),midimsgGetVelocity(msg)); + break; + case MIDIMSG_PITCH_WHEEL: + Map.mapMsg(msg); + port.processCommand( + Arts::MidiCommand(Arts::mcsPitchWheel|midimsgGetChannel(msg), + midimsgGetPitch(msg), midimsgGetVelocity(msg))); + if( verbose ) + printf("PitchWheel : Channel %d, LSB %3d MSB %3d\n", midimsgGetChannel(msg), + midimsgGetPitch(msg),midimsgGetVelocity(msg)); + break; + } + } +} + +//-------------------------------------------- +// The mapping stuff +//-------------------------------------------- + +bool CMidiMap::readMap(const char* pszFileName) +{ + if( verbose ) + printf("reading mapfile %s ...\n", pszFileName); + + FILE *file = fopen(pszFileName,"r"); + if( !file ) + return false; + + char cBuffer[1024+1]; + char* pszLine; + int nLine = 0; + while( (pszLine = fgets(cBuffer,1024,file)) ) { + nLine++; + parseLine(pszLine,pszFileName,nLine); + } + fclose(file); + + return true; +} + +bool CMidiMap::getNextWord(char*& pszLine, char*& pszWord) +{ + // First skip all leading blanks, etc. + bool bCont = true; + while(bCont) { + char cHelp = *pszLine; + switch( cHelp ) + { + case 0: return false; // Out of line + case ' ': + case '\n': + case '\r': + case '\t': pszLine++; break; // Goto next char + default: bCont = false; break; // NonSpace character -> Word begins here. + } + } + + // The word starts here + pszWord = pszLine; + + // And now, goto the end of the word. + bCont = true; + while(bCont) { + char cHelp = *pszLine; + switch( cHelp ) + { + case 0: + case ',': + case ';': + case ' ': + case '\n': + case '\r': + case '\t': *pszLine++ = 0; bCont = false; break; // Goto next char + default: pszLine++; break; + } + } + + return true; +} + +void CMidiMap::parseLine(char* pszLine, const char* pszConfigFile, int nConfigLine ) +{ + char* pszWord = 0; + bool bOk = true; + + // Get first word of the line + bOk = bOk && getNextWord(pszLine,pszWord); + if( !bOk ) + return; + + // Skip comments + if( *pszWord == '#' ) + return; + + if( strcmp(pszWord,"PRC") == 0 ) { + bOk = bOk && getNextWord(pszLine,pszWord); + int nOrigChannel = atol(pszWord); + bOk = bOk && getNextWord(pszLine,pszWord); + int nStart = atol(pszWord); + bOk = bOk && getNextWord(pszLine,pszWord); + int nEnd = atol(pszWord); + bOk = bOk && getNextWord(pszLine,pszWord); + int nChannel = atol(pszWord); + if( bOk ) { + channelMaps[nOrigChannel].nChannel = nOrigChannel; + for( int i = nStart; i <= nEnd; i++ ) { + channelMaps[nOrigChannel].channelRemaps[i].nPitch = i; + channelMaps[nOrigChannel].channelRemaps[i].nChannel = nChannel; + } + } + else { + printf("midisend: (PRC) missing parameters at %s:%d\n", pszConfigFile,nConfigLine); + } + return; + } + + if( strcmp(pszWord,"PRD") == 0 ) { + bOk = bOk && getNextWord(pszLine,pszWord); + int nOrigChannel = atol(pszWord); + bOk = bOk && getNextWord(pszLine,pszWord); + int nStart = atol(pszWord); + bOk = bOk && getNextWord(pszLine,pszWord); + int nEnd = atol(pszWord); + bOk = bOk && getNextWord(pszLine,pszWord); + int nPitchDiff = atol(pszWord); + if( bOk ) { + channelMaps[nOrigChannel].nChannel = nOrigChannel; + for( int i = nStart; i <= nEnd; i++ ) { + channelMaps[nOrigChannel].pitchRemaps[i].nPitch = i; + channelMaps[nOrigChannel].pitchRemaps[i].nToPitch = i + nPitchDiff; + } + } + else { + printf("midisend: (PRD) missing parameters at %s:%d\n", pszConfigFile,nConfigLine); + } + return; + } + + if( strcmp(pszWord,"PTC") == 0 ) { + bOk = bOk && getNextWord(pszLine,pszWord); + int nOrigChannel = atol(pszWord); + bOk = bOk && getNextWord(pszLine,pszWord); + int nPitch = atol(pszWord); + bOk = bOk && getNextWord(pszLine,pszWord); + int nToChannel = atol(pszWord); + if( bOk ) { + channelMaps[nOrigChannel].nChannel = nOrigChannel; + channelMaps[nOrigChannel].channelRemaps[nPitch].nPitch = nPitch; + channelMaps[nOrigChannel].channelRemaps[nPitch].nChannel = nToChannel; + } + else { + printf("midisend: (PTC) missing parameters at %s:%d\n", pszConfigFile,nConfigLine); + } + return; + } + + if( strcmp(pszWord,"PTP") == 0 ) { + bOk = bOk && getNextWord(pszLine,pszWord); + int nOrigChannel = atol(pszWord); + bOk = bOk && getNextWord(pszLine,pszWord); + int nPitch = atol(pszWord); + bOk = bOk && getNextWord(pszLine,pszWord); + int nToPitch = atol(pszWord); + if( bOk ) { + channelMaps[nOrigChannel].nChannel = nOrigChannel; + channelMaps[nOrigChannel].pitchRemaps[nPitch].nPitch = nPitch; + channelMaps[nOrigChannel].pitchRemaps[nPitch].nToPitch = nToPitch; + } + else { + printf("midisend: (PTP) missing parameters at %s:%d\n", pszConfigFile,nConfigLine); + } + return; + } + + printf("midisend: Unknown command at %s:%d\n", pszConfigFile,nConfigLine); +} + +void CMidiMap::mapMsg(Byte* msg) +{ + // Get out the data for mapping + int nChannel = midimsgGetChannel(msg); + int nPitch = midimsgGetPitch(msg); + + // Is there something to map for this channel ? + if( channelMaps.find(nChannel) != channelMaps.end() ) { + // => Yes, than do it. + + // C/P => C + if( channelMaps[nChannel].channelRemaps.find(nPitch) != channelMaps[nChannel].channelRemaps.end() ) + midimsgSetChannel(msg,channelMaps[nChannel].channelRemaps[nPitch].nChannel); + + // C/P => P + if( channelMaps[nChannel].pitchRemaps.find(nPitch) != channelMaps[nChannel].pitchRemaps.end() ) { + midimsgSetPitch(msg,channelMaps[nChannel].pitchRemaps[nPitch].nToPitch); + } + } +} |