/* |
File: CAAUMIDIMapManager.cpp |
Abstract: CAAUMIDIMapManager.h |
Version: 1.0.1 |
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*/ |
#include "CAAUMIDIMapManager.h" |
#include <AudioToolbox/AudioUnitUtilities.h> |
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CAAUMIDIMapManager::CAAUMIDIMapManager() |
{ |
hotMapping = false; |
} |
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static void FillInMap (CAAUMIDIMap &map, AUBase &That) |
{ |
AudioUnitParameterInfo info; |
That.GetParameterInfo (map.mScope, map.mParameterID, info); |
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if (map.IsSubRange()) { |
map.mMinValue = map.mSubRangeMin; |
map.mMaxValue = map.mSubRangeMax; |
} else { |
map.mMinValue = info.minValue; |
map.mMaxValue = info.maxValue; |
} |
|
map.mTransType = CAAUMIDIMap::GetTransformer(info.flags); |
} |
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OSStatus CAAUMIDIMapManager::SortedInsertToParamaterMaps (AUParameterMIDIMapping *maps, UInt32 inNumMaps, AUBase &That) |
{ |
for (unsigned int i = 0; i < inNumMaps; ++i) |
{ |
CAAUMIDIMap map(maps[i]); |
|
FillInMap (map, That); |
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int idx = FindParameterIndex (maps[i]); |
if (idx > -1) |
mParameterMaps.erase(mParameterMaps.begin() + idx); |
|
// least disruptive place to put this is at the end |
mParameterMaps.push_back(map); |
} |
|
std::sort(mParameterMaps.begin(), mParameterMaps.end(), CompareMIDIMap()); |
|
return noErr; |
} |
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void CAAUMIDIMapManager::GetHotParameterMap(AUParameterMIDIMapping &outMap ) |
{ |
outMap = mHotMap; |
} |
|
void CAAUMIDIMapManager::SortedRemoveFromParameterMaps(AUParameterMIDIMapping *maps, UInt32 inNumMaps, bool &outMapDidChange) |
{ |
if (hotMapping) { |
hotMapping = false; |
} |
|
outMapDidChange = false; |
for (unsigned int i = 0; i < inNumMaps; ++i) { |
int idx = FindParameterIndex (maps[i]); |
if (idx > -1) { |
//mParameterMaps[idx].Print(); |
mParameterMaps.erase(mParameterMaps.begin() + idx); |
outMapDidChange = true; |
} |
} |
} |
|
void CAAUMIDIMapManager::ReplaceAllMaps (AUParameterMIDIMapping* inMappings, UInt32 inNumMaps, AUBase &That) |
{ |
mParameterMaps.clear(); |
|
for (unsigned int i = 0; i < inNumMaps; ++i) { |
CAAUMIDIMap mapping(inMappings[i]); |
|
FillInMap (mapping, That); |
mParameterMaps.push_back (mapping); |
} |
|
std::sort(mParameterMaps.begin(),mParameterMaps.end(), CompareMIDIMap()); |
} |
|
bool CAAUMIDIMapManager::HandleHotMapping(UInt8 inStatus, |
UInt8 inChannel, |
UInt8 inData1, |
AUBase &That) |
{ //used to set the hot map info |
|
if (inStatus == 0xf0) return false; |
|
if (!hotMapping) return false; |
hotMapping = false; |
|
mHotMap.mStatus = inStatus | inChannel; |
mHotMap.mData1 = inData1; |
|
SortedInsertToParamaterMaps (&mHotMap, 1, That); |
return true; |
} |
|
#if DEBUG |
|
void CAAUMIDIMapManager::Print() |
{ |
for ( ParameterMaps::iterator i = mParameterMaps.begin(); i < mParameterMaps.end(); ++i) { |
CAAUMIDIMap* listmap = &(*i); |
listmap->Print(); |
} |
} |
|
#endif // DEBUG |
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void CAAUMIDIMapManager::GetMaps(AUParameterMIDIMapping* maps) |
{ |
int i = 0; |
for ( ParameterMaps::iterator iter = mParameterMaps.begin(); iter < mParameterMaps.end(); ++iter, ++i) { |
AUParameterMIDIMapping &listmap = (*iter); |
maps[i] = listmap; |
} |
} |
|
int CAAUMIDIMapManager::FindParameterIndex (AUParameterMIDIMapping &inMap) |
{ |
//used to get back hot mapping and one at a time maps, for ui |
|
int idx = 0; |
for ( ParameterMaps::iterator i = mParameterMaps.begin(); i < mParameterMaps.end(); ++i) { |
CAAUMIDIMap & listmap = (*i); |
if ( (listmap.mParameterID == inMap.mParameterID) && |
(listmap.mScope == inMap.mScope) && |
(listmap.mElement == inMap.mElement) ) |
{ |
return idx; |
} |
idx++; |
} |
return -1; |
} |
|
bool CAAUMIDIMapManager::FindParameterMapEventMatch( UInt8 inStatus, |
UInt8 inChannel, |
UInt8 inData1, |
UInt8 inData2, |
UInt32 inBufferOffset, |
AUBase& inAUBase) |
{ |
bool ret_value = false; |
|
if (inStatus == 0x90 && !inData2) |
inStatus = 0x80 | inChannel; |
|
//used to test for midi matches once map is made |
CAAUMIDIMap tempMap; |
tempMap.mStatus = inStatus | inChannel; |
tempMap.mData1 = inData1; |
|
CompareMIDIMap compareObj; |
|
AudioUnitEvent event; |
event.mEventType = kAudioUnitEvent_ParameterValueChange; |
event.mArgument.mParameter.mAudioUnit = inAUBase.GetComponentInstance(); |
|
ParameterMaps::iterator lower_iter = |
std::lower_bound(mParameterMaps.begin(), mParameterMaps.end(), tempMap, compareObj); |
|
while (lower_iter < mParameterMaps.end()) |
{ |
CAAUMIDIMap & map = (*lower_iter); |
if (compareObj.Finish(map, tempMap)) |
break; |
|
Float32 value; |
if (map.MIDI_Matches(inChannel, inData1, inData2, value)) |
{ |
inAUBase.SetParameter ( map.mParameterID, map.mScope, map.mElement, |
map.ParamValueFromMIDILinear(value), inBufferOffset); |
|
event.mArgument.mParameter.mParameterID = map.mParameterID; |
event.mArgument.mParameter.mScope = map.mScope; |
event.mArgument.mParameter.mElement = map.mElement; |
|
AUEventListenerNotify(NULL, NULL, &event); |
ret_value = true; |
} |
++lower_iter; |
} |
return ret_value; |
} |
