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cmDspBuiltIn.c : cmDspMidiIn now accepts a MIDI device/port to filter incoming MIDI messages.

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This commit is contained in:
kevin 2017-09-20 23:51:25 -04:00
parent b22f1d3ad3
commit b7ab42065b
1 changed files with 96 additions and 25 deletions
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77
dsp/cmDspBuiltIn.c
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@ -602,6 +602,8 @@ cmDspClass_t* cmSigGenClassCons( cmDspCtx_t* ctx )
//( { label:cmDspMidiIn file_desc:"MIDI input port." kw:[sunit] }
enum
{
kInDeviceMiId,
kInPortMiId,
kDeviceMiId,
kPortMiId,
kSmpIdxMiId,
@ -621,12 +623,49 @@ typedef struct
unsigned midiSymId;
unsigned prevSmpIdx;
cmTimeSpec_t prevTimeStamp;
unsigned inDevIdx;
unsigned inPortIdx;
} cmDspMidiIn_t;
cmDspRC_t _cmDspMidiInSetDevice( cmDspCtx_t* ctx, cmDspMidiIn_t* p, const cmChar_t* deviceStr )
{
cmDspRC_t rc = kOkDspRC;
if( deviceStr != NULL )
{
if((p->inDevIdx = cmMpDeviceNameToIndex(deviceStr)) == cmInvalidIdx )
rc = cmDspInstErr(ctx,&p->inst,kInvalidArgDspRC,"The MIDI input device '%s' could not be found.",cmStringNullGuard(deviceStr));
p->inPortIdx = cmInvalidIdx; // set the port as invalid until it is explicitely set.
}
return rc;
}
cmDspRC_t _cmDspMidiInSetPort( cmDspCtx_t* ctx, cmDspMidiIn_t* p, const cmChar_t* portStr )
{
cmDspRC_t rc = kOkDspRC;
if( portStr == NULL )
return rc;
if( p->inDevIdx == cmInvalidIdx )
rc = cmDspInstErr(ctx,&p->inst,kInvalidArgDspRC,"The MIDI input port cannot be set until the MIDI input device is set.");
else
{
if((p->inPortIdx = cmMpDevicePortNameToIndex(p->inDevIdx,kOutMpFl,portStr)) == cmInvalidIdx )
rc = cmDspInstErr(ctx,&p->inst,kInvalidArgDspRC,"The MIDI input port '%s' could not be found on device '%s'.",cmStringNullGuard(portStr),cmStringNullGuard(cmMpDeviceName(p->inDevIdx)));
}
return rc;
}
cmDspInst_t* _cmDspMidiInAlloc(cmDspCtx_t* ctx, cmDspClass_t* classPtr, unsigned storeSymId, unsigned instSymId, unsigned id, unsigned va_cnt, va_list vl )
{
cmDspVarArg_t args[] =
{
{ "indev", kInDeviceMiId, 0, 0, kInDsvFl | kStrzDsvFl | kOptArgDsvFl, "Listen only to this MIDI device"},
{ "inport", kInPortMiId, 0, 0, kInDsvFl | kStrzDsvFl | kOptArgDsvFl, "Listen only to this MIDI port"},
{ "device", kDeviceMiId, 0, 0, kOutDsvFl | kUIntDsvFl, "MIDI device" },
{ "port", kPortMiId, 0, 0, kOutDsvFl | kUIntDsvFl, "MIDI device port"},
{ "smpidx", kSmpIdxMiId, 0, 0, kOutDsvFl | kUIntDsvFl, "Message time tag as sample index."},
@ -640,6 +679,9 @@ cmDspInst_t* _cmDspMidiInAlloc(cmDspCtx_t* ctx, cmDspClass_t* classPtr, unsigne
cmDspMidiIn_t* p = cmDspInstAlloc(cmDspMidiIn_t,ctx,classPtr,args,instSymId,id,storeSymId,va_cnt,vl);
p->inDevIdx = cmInvalidIdx;
p->inPortIdx = cmInvalidIdx;
p->midiSymId = cmDspSysAssignInstAttrSymbolStr( ctx->dspH, &p->inst, "_midi" );
return &p->inst;
@ -649,20 +691,48 @@ cmDspRC_t _cmDspMidiInReset(cmDspCtx_t* ctx, cmDspInst_t* inst, const cmDspEvt_t
{
cmDspRC_t rc = kOkDspRC;
cmDspMidiIn_t* p = (cmDspMidiIn_t*)inst;
cmDspApplyAllDefaults(ctx,inst);
if(_cmDspMidiInSetDevice(ctx,p,cmDspStrcz(inst,kInDeviceMiId)) == kOkDspRC )
_cmDspMidiInSetPort( ctx,p,cmDspStrcz(inst,kInPortMiId));
p->prevSmpIdx = 0;
return rc;
}
cmDspRC_t _cmDspMidiInRecv(cmDspCtx_t* ctx, cmDspInst_t* inst, const cmDspEvt_t* evt )
{
cmDspMidiIn_t* p = (cmDspMidiIn_t*)inst;
switch( evt->dstVarId )
{
case kInDeviceMiId:
_cmDspMidiInSetDevice(ctx, p, cmDsvStrcz(evt->valuePtr));
break;
case kInPortMiId:
_cmDspMidiInSetPort(ctx, p, cmDsvStrcz(evt->valuePtr));
break;
}
return kOkDspRC;
}
cmDspRC_t _cmDspMidiInRecvFunc( cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned attrSymId, const cmDspValue_t* value )
{
cmDspMidiIn_t* p = (cmDspMidiIn_t*)inst;
if( attrSymId == p->midiSymId )
{
cmMidiPacket_t* pkt = (cmMidiPacket_t*)(value->u.m.u.vp);
unsigned i;
if( (p->inDevIdx==cmInvalidIdx || p->inDevIdx==pkt->devIdx) && (p->inPortIdx==cmInvalidIdx || p->inPortIdx==pkt->portIdx ) )
{
cmDspSetUInt(ctx, inst, kDeviceMiId, pkt->devIdx);
cmDspSetUInt(ctx, inst, kPortMiId, pkt->portIdx);
@ -688,6 +758,7 @@ cmDspRC_t _cmDspMidiInRecvFunc( cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned
p->prevTimeStamp = m->timeStamp;
}
}
}
return kOkDspRC;
}
@ -700,7 +771,7 @@ cmDspClass_t* cmMidiInClassCons( cmDspCtx_t* ctx )
NULL,
_cmDspMidiInReset,
NULL,
NULL,
_cmDspMidiInRecv,
NULL,
_cmDspMidiInRecvFunc,
"Midi input port");
@ -737,7 +808,7 @@ cmDspRC_t _cmDspMidiOutSetDevice( cmDspCtx_t* ctx, cmDspMidiOut_t* p, const cmCh
if( deviceStr != NULL )
if((p->devIdx = cmMpDeviceNameToIndex(deviceStr)) == cmInvalidIdx )
rc = cmDspInstErr(ctx,&p->inst,kInvalidArgDspRC,"The MIDI device '%s' could not be found.",cmStringNullGuard(deviceStr));
rc = cmDspInstErr(ctx,&p->inst,kInvalidArgDspRC,"The MIDI output device '%s' could not be found.",cmStringNullGuard(deviceStr));
return rc;
}
@ -753,7 +824,7 @@ cmDspRC_t _cmDspMidiOutSetPort( cmDspCtx_t* ctx, cmDspMidiOut_t* p, const cmChar
else
{
if((p->portIdx = cmMpDevicePortNameToIndex(p->devIdx,kOutMpFl,portStr)) == cmInvalidIdx )
rc = cmDspInstErr(ctx,&p->inst,kInvalidArgDspRC,"The MIDI port '%s' could not be found on device '%s'.",cmStringNullGuard(portStr),cmStringNullGuard(cmMpDeviceName(p->devIdx)));
rc = cmDspInstErr(ctx,&p->inst,kInvalidArgDspRC,"The MIDI out port '%s' could not be found on device '%s'.",cmStringNullGuard(portStr),cmStringNullGuard(cmMpDeviceName(p->devIdx)));
}
return rc;