void notifyControlChangeByName (void *mcfg, const char * cfname, unsigned char val) {
struct b_midicfg * m = (struct b_midicfg *) mcfg;
int x = getCCFunctionId (cfname);
if (x >= 0 && m->ctrlvecF[x].fn) {
controlFunctionHook(m, &m->ctrlvecF[x], val);
}
}
/*
* 26-sep-2004/FK This is the entry point for modules that wish to register
* functions that accept MIDI controller data. Functions entered through this
* interface can be freely remapped by the user via configuration files.
*
* @param cfname The symbolic name (defined in ccFuncNames) of the reaction
* implemented by the function pointed to by the f parameter.
* @param f Pointer to function that acts on the controller message.
*/
void useMIDIControlFunction (void *mcfg, const char * cfname, void (* f) (void *, unsigned char), void *d) {
struct b_midicfg * m = (struct b_midicfg *) mcfg;
int x = getCCFunctionId (cfname);
assert (-1 < x);
if (m->ctrlUseA[x] < 128) {
assignMIDIControllerFunction (m->ctrlvecA, m->ctrlUseA[x], x, f, d);
}
if (m->ctrlUseB[x] < 128) {
assignMIDIControllerFunction (m->ctrlvecB, m->ctrlUseB[x], x, f, d);
}
if (m->ctrlUseC[x] < 128) {
assignMIDIControllerFunction (m->ctrlvecC, m->ctrlUseC[x], x, f, d);
}
if ((m->ctrlvecF[x].fn != emptyControlFunction) && (m->ctrlvecF[x].fn != NULL)) {
fprintf (stderr, "midi.c:WARNING, multiple allocation of control-function %s!\n", cfname);
}
m->ctrlvecF[x].fn = f;
m->ctrlvecF[x].d = d;
m->ctrlvecF[x].id = x;
}
void callMIDIControlFunction (void *mcfg, const char * cfname, unsigned char val) {
struct b_midicfg * m = (struct b_midicfg *) mcfg;
int x = getCCFunctionId (cfname);
if (x >= 0 && m->ctrlvecF[x].fn) {
if (val > 127) val = 127;
execControlFunction(m, &m->ctrlvecF[x], val);
}
}
static void formatDoc (const char *modulename, const ConfigDoc *d) {
printf("Parameters for '%s':\n", modulename);
while (d && d->name) {
if (strlen(d->name) >= 40) {
fprintf(stderr, "PROPERTY NAME IS TOO LONG -- PLEASE REPORT THIS BUG\n");
}
printf(" %-40s %s%s (%s)\n", d->name,
conftypenames[d->type],
(getCCFunctionId(d->name)<0)?" ":"*",
(strlen(d->dflt)>0)?d->dflt:"?");
if (strlen(d->desc)>0) {
// TODO: word-wrap description, with indent 4
printf(" %s\n", d->desc);
}
d++;
}
printf("\n");
}
void rc_add_cfg(void *t, ConfigContext *cfg) {
struct b_rc *rc = (struct b_rc*) t;
#if 0
if (getCCFunctionId(cfg->name) > 0) {
/* if there is a MIDI-CC function corresponding to the cfg -> use it */
// mmh. what to do with 'cfg->value' ?!
// - check doc for function parameter type.
// CFG_DOUBLE, CFG_FLOAT -> * 127.0 -- won't work for all though :(
// CFG_INT -> mmh, keep as is ?!
// CFG_TEXT -> fall though to cfg_eval()
//
// major rework: have all useMIDIControlFunction() /users/
// specify a target range and/or conversion function.
// -> that'll also remove lots of wrapper function bloat:
// eg. setDrumBreakPosition(), revControl(), setPercEnableFromMIDI(),.. etc
printf (" cfg_midi(\"%s\", \"%s\")\n", cfg->name, cfg->value);
return;
} else
#endif
kvstore_store(rc->rrc, cfg->name, cfg->value);
}
/*
* Auxillary function to midiPrimeControllerMapping below.
*/
static void loadCCMap (struct b_midicfg * m,
const char * cfname,
int ccn,
unsigned char * A,
unsigned char * B,
unsigned char * C) {
int x = getCCFunctionId (cfname);
if (!(-1 < x)) {
fprintf (stderr, "Unrecognized controller function name:'%s'\n", cfname);
assert (-1 < x);
}
if (A != NULL) {
A[x] = (unsigned char) ccn;
reverse_cc_map(m, x, m->rcvChA, ccn);
}
if (B != NULL) {
B[x] = (unsigned char) ccn;
reverse_cc_map(m, x, m->rcvChB, ccn);
}
if (C != NULL) {
C[x] = (unsigned char) ccn;
reverse_cc_map(m, x, m->rcvChC, ccn);
}
}
/*
* This call configures this module.
*/
int midiConfig (void *mcfg, ConfigContext * cfg) {
int v;
int ack = 0;
struct b_midicfg * m = (struct b_midicfg *) mcfg;
if ((ack = getConfigParameter_ir ("midi.upper.channel",
cfg,
&v,
1, 16)) == 1) {
m->rcvChA = v - 1;
}
else if ((ack = getConfigParameter_ir ("midi.lower.channel",
cfg,
&v,
1, 16)) == 1) {
m->rcvChB = v - 1;
}
else if ((ack = getConfigParameter_ir ("midi.pedals.channel",
cfg,
&v,
1, 16)) == 1) {
m->rcvChC = v - 1;
}
else if ((ack = getConfigParameter_ir ("midi.transpose",
cfg,
&v,
-127, 127)) == 1) {
m->transpose = v;
}
else if ((ack = getConfigParameter_ir ("midi.upper.transpose",
cfg,
&v,
-127, 127)) == 1) {
m->nshA = v;
}
else if ((ack = getConfigParameter_ir ("midi.lower.transpose",
cfg,
&v,
-127, 127)) == 1) {
m->nshB = v;
}
else if ((ack = getConfigParameter_ir ("midi.pedals.transpose",
cfg,
&v,
-127, 127)) == 1) {
m->nshC = v;
}
else if ((ack = getConfigParameter_ir ("midi.pedals.transpose.split",
cfg,
&v,
-127, 127)) == 1) {
m->nshA_PL = v;
}
else if ((ack = getConfigParameter_ir ("midi.lower.transpose.split",
cfg,
&v,
-127, 127)) == 1) {
m->nshA_UL = v;
}
else if ((ack = getConfigParameter_ir ("midi.upper.transpose.split",
cfg,
&v,
-127, 127)) == 1) {
m->nshA_U = v;
}
else if (strncasecmp (cfg->name, "midi.controller.reset", 21) == 0) {
ack++;
if (atoi(cfg->name+21)) {
clearControllerMapping(m);
}
}
/*
* The syntax for this config option is:
* midi.controller.{upper,lower,pedals}.<cc>=<fname>
* where <cc> is a MIDI controller number, and
* <fname> is the symbolic name of a controllable function.
*/
else if (strncasecmp (cfg->name, "midi.controller.", 16) == 0) {
unsigned char * ctrlUse = m->ctrlUseA;
int ccIdx = 0; // offset in cfg->name
int ccChn = 0;
if (strncasecmp ((cfg->name) + 16, "upper", 5) == 0) {
ctrlUse = m->ctrlUseA;
ccIdx = 22;
ccChn = m->rcvChA;
}
else if (strncasecmp ((cfg->name) + 16, "lower", 5) == 0) {
ctrlUse = m->ctrlUseB;
ccIdx = 22;
ccChn = m->rcvChB;
}
else if (strncasecmp ((cfg->name) + 16, "pedals", 6) == 0) {
ctrlUse = m->ctrlUseC;
ccIdx = 23;
ccChn = m->rcvChC;
}
else {
showConfigfileContext (cfg, "directive 'upper', 'lower' or 'pedals' expected");
}
/* If the code above managed to parse a channel name... */
if (0 < ccIdx) {
int ccn;
/* ... and we manage to parse a controller number... */
if (sscanf ((cfg->name) + ccIdx, "%d", &ccn) == 1) {
/* ...and the controller number is in the allowed range... */
if ((0 <= ccn) && (ccn < 128)) {
int i = getCCFunctionId (cfg->value);
if (!strcmp(cfg->value,"unmap")) {
remove_CC_map(m, ccChn, ccn);
} else if (-1 < i) {
remove_CC_map(m, ccChn, ccn);
/* Store the controller number indexed by abstract function id */
ctrlUse[i] = ccn;
parseCCFlags(&(m->ctrlflg[ccChn][ccn]), cfg->value);
reverse_cc_map(m, i, ccChn, ccn);
ack++;
} else {
/* No match found for symbolic function name. */
showConfigfileContext (cfg,
"name of controllable function not found");
}
}
else {
showConfigfileContext (cfg, "controller number out of range");
}
}
}
}
return ack;
}
