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tdemultimedia/arts/midi/midisend.cc

376 lines
10 KiB

/*
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);
}
}
}