234 lines
7.1 KiB
C++
234 lines
7.1 KiB
C++
/*
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File: CAAUMIDIMapManager.cpp
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Abstract: CAAUMIDIMapManager.h
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Version: 1.1
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Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple
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Inc. ("Apple") in consideration of your agreement to the following
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terms, and your use, installation, modification or redistribution of
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this Apple software constitutes acceptance of these terms. If you do
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not agree with these terms, please do not use, install, modify or
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redistribute this Apple software.
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In consideration of your agreement to abide by the following terms, and
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subject to these terms, Apple grants you a personal, non-exclusive
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license, under Apple's copyrights in this original Apple software (the
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"Apple Software"), to use, reproduce, modify and redistribute the Apple
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Software, with or without modifications, in source and/or binary forms;
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provided that if you redistribute the Apple Software in its entirety and
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without modifications, you must retain this notice and the following
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text and disclaimers in all such redistributions of the Apple Software.
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Neither the name, trademarks, service marks or logos of Apple Inc. may
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be used to endorse or promote products derived from the Apple Software
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without specific prior written permission from Apple. Except as
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expressly stated in this notice, no other rights or licenses, express or
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implied, are granted by Apple herein, including but not limited to any
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patent rights that may be infringed by your derivative works or by other
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works in which the Apple Software may be incorporated.
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The Apple Software is provided by Apple on an "AS IS" basis. APPLE
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MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
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THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
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OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
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IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
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MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED
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AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
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STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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Copyright (C) 2014 Apple Inc. All Rights Reserved.
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*/
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#include "CAAUMIDIMapManager.h"
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#include <AudioToolbox/AudioUnitUtilities.h>
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CAAUMIDIMapManager::CAAUMIDIMapManager()
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{
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hotMapping = false;
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}
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static void FillInMap (CAAUMIDIMap &map, AUBase &That)
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{
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AudioUnitParameterInfo info;
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That.GetParameterInfo (map.mScope, map.mParameterID, info);
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if (map.IsSubRange()) {
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map.mMinValue = map.mSubRangeMin;
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map.mMaxValue = map.mSubRangeMax;
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} else {
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map.mMinValue = info.minValue;
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map.mMaxValue = info.maxValue;
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}
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map.mTransType = CAAUMIDIMap::GetTransformer(info.flags);
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}
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OSStatus CAAUMIDIMapManager::SortedInsertToParamaterMaps (AUParameterMIDIMapping *maps, UInt32 inNumMaps, AUBase &That)
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{
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for (unsigned int i = 0; i < inNumMaps; ++i)
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{
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CAAUMIDIMap map(maps[i]);
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FillInMap (map, That);
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int idx = FindParameterIndex (maps[i]);
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if (idx > -1)
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mParameterMaps.erase(mParameterMaps.begin() + idx);
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// least disruptive place to put this is at the end
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mParameterMaps.push_back(map);
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}
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std::sort(mParameterMaps.begin(), mParameterMaps.end(), CompareMIDIMap());
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return noErr;
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}
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void CAAUMIDIMapManager::GetHotParameterMap(AUParameterMIDIMapping &outMap )
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{
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outMap = mHotMap;
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}
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void CAAUMIDIMapManager::SortedRemoveFromParameterMaps(AUParameterMIDIMapping *maps, UInt32 inNumMaps, bool &outMapDidChange)
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{
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if (hotMapping) {
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hotMapping = false;
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}
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outMapDidChange = false;
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for (unsigned int i = 0; i < inNumMaps; ++i) {
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int idx = FindParameterIndex (maps[i]);
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if (idx > -1) {
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//mParameterMaps[idx].Print();
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mParameterMaps.erase(mParameterMaps.begin() + idx);
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outMapDidChange = true;
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}
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}
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}
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void CAAUMIDIMapManager::ReplaceAllMaps (AUParameterMIDIMapping* inMappings, UInt32 inNumMaps, AUBase &That)
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{
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mParameterMaps.clear();
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for (unsigned int i = 0; i < inNumMaps; ++i) {
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CAAUMIDIMap mapping(inMappings[i]);
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FillInMap (mapping, That);
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mParameterMaps.push_back (mapping);
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}
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std::sort(mParameterMaps.begin(),mParameterMaps.end(), CompareMIDIMap());
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}
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bool CAAUMIDIMapManager::HandleHotMapping(UInt8 inStatus,
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UInt8 inChannel,
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UInt8 inData1,
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AUBase &That)
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{ //used to set the hot map info
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if (inStatus == 0xf0) return false;
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if (!hotMapping) return false;
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hotMapping = false;
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mHotMap.mStatus = inStatus | inChannel;
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mHotMap.mData1 = inData1;
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SortedInsertToParamaterMaps (&mHotMap, 1, That);
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return true;
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}
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#if DEBUG
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void CAAUMIDIMapManager::Print()
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{
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for ( ParameterMaps::iterator i = mParameterMaps.begin(); i < mParameterMaps.end(); ++i) {
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CAAUMIDIMap* listmap = &(*i);
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listmap->Print();
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}
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}
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#endif // DEBUG
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void CAAUMIDIMapManager::GetMaps(AUParameterMIDIMapping* maps)
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{
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int i = 0;
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for ( ParameterMaps::iterator iter = mParameterMaps.begin(); iter < mParameterMaps.end(); ++iter, ++i) {
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AUParameterMIDIMapping &listmap = (*iter);
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maps[i] = listmap;
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}
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}
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int CAAUMIDIMapManager::FindParameterIndex (AUParameterMIDIMapping &inMap)
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{
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//used to get back hot mapping and one at a time maps, for ui
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int idx = 0;
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for ( ParameterMaps::iterator i = mParameterMaps.begin(); i < mParameterMaps.end(); ++i) {
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CAAUMIDIMap & listmap = (*i);
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if ( (listmap.mParameterID == inMap.mParameterID) &&
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(listmap.mScope == inMap.mScope) &&
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(listmap.mElement == inMap.mElement) )
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{
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return idx;
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}
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idx++;
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}
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return -1;
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}
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bool CAAUMIDIMapManager::FindParameterMapEventMatch( UInt8 inStatus,
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UInt8 inChannel,
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UInt8 inData1,
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UInt8 inData2,
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UInt32 inBufferOffset,
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AUBase& inAUBase)
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{
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bool ret_value = false;
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if (inStatus == 0x90 && !inData2)
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inStatus = 0x80 | inChannel;
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//used to test for midi matches once map is made
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CAAUMIDIMap tempMap;
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tempMap.mStatus = inStatus | inChannel;
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tempMap.mData1 = inData1;
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CompareMIDIMap compareObj;
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AudioUnitEvent event;
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event.mEventType = kAudioUnitEvent_ParameterValueChange;
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event.mArgument.mParameter.mAudioUnit = inAUBase.GetComponentInstance();
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ParameterMaps::iterator lower_iter =
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std::lower_bound(mParameterMaps.begin(), mParameterMaps.end(), tempMap, compareObj);
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while (lower_iter < mParameterMaps.end())
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{
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CAAUMIDIMap & map = (*lower_iter);
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if (compareObj.Finish(map, tempMap))
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break;
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Float32 value;
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if (map.MIDI_Matches(inChannel, inData1, inData2, value))
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{
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inAUBase.SetParameter ( map.mParameterID, map.mScope, map.mElement,
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map.ParamValueFromMIDILinear(value), inBufferOffset);
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event.mArgument.mParameter.mParameterID = map.mParameterID;
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event.mArgument.mParameter.mScope = map.mScope;
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event.mArgument.mParameter.mElement = map.mElement;
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AUEventListenerNotify(NULL, NULL, &event);
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ret_value = true;
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}
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++lower_iter;
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}
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return ret_value;
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}
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