- clean working copy for leaving SVN
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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MidiMessageSequence::MidiMessageSequence()
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{
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}
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MidiMessageSequence::MidiMessageSequence (const MidiMessageSequence& other)
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{
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list.addCopiesOf (other.list);
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updateMatchedPairs();
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}
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MidiMessageSequence& MidiMessageSequence::operator= (const MidiMessageSequence& other)
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{
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MidiMessageSequence otherCopy (other);
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swapWith (otherCopy);
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return *this;
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}
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void MidiMessageSequence::swapWith (MidiMessageSequence& other) noexcept
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{
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list.swapWith (other.list);
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}
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MidiMessageSequence::~MidiMessageSequence()
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{
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}
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void MidiMessageSequence::clear()
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{
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list.clear();
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}
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int MidiMessageSequence::getNumEvents() const noexcept
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{
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return list.size();
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}
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MidiMessageSequence::MidiEventHolder* MidiMessageSequence::getEventPointer (const int index) const noexcept
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{
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return list [index];
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}
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double MidiMessageSequence::getTimeOfMatchingKeyUp (const int index) const noexcept
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{
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if (const MidiEventHolder* const meh = list [index])
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if (meh->noteOffObject != nullptr)
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return meh->noteOffObject->message.getTimeStamp();
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return 0.0;
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}
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int MidiMessageSequence::getIndexOfMatchingKeyUp (const int index) const noexcept
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{
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if (const MidiEventHolder* const meh = list [index])
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return list.indexOf (meh->noteOffObject);
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return -1;
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}
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int MidiMessageSequence::getIndexOf (MidiEventHolder* const event) const noexcept
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{
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return list.indexOf (event);
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}
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int MidiMessageSequence::getNextIndexAtTime (const double timeStamp) const noexcept
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{
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const int numEvents = list.size();
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int i;
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for (i = 0; i < numEvents; ++i)
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if (list.getUnchecked(i)->message.getTimeStamp() >= timeStamp)
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break;
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return i;
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}
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//==============================================================================
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double MidiMessageSequence::getStartTime() const noexcept
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{
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return getEventTime (0);
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}
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double MidiMessageSequence::getEndTime() const noexcept
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{
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return getEventTime (list.size() - 1);
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}
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double MidiMessageSequence::getEventTime (const int index) const noexcept
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{
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if (const MidiEventHolder* const meh = list [index])
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return meh->message.getTimeStamp();
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return 0.0;
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}
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//==============================================================================
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MidiMessageSequence::MidiEventHolder* MidiMessageSequence::addEvent (const MidiMessage& newMessage,
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double timeAdjustment)
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{
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MidiEventHolder* const newOne = new MidiEventHolder (newMessage);
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timeAdjustment += newMessage.getTimeStamp();
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newOne->message.setTimeStamp (timeAdjustment);
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int i;
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for (i = list.size(); --i >= 0;)
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if (list.getUnchecked(i)->message.getTimeStamp() <= timeAdjustment)
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break;
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list.insert (i + 1, newOne);
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return newOne;
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}
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void MidiMessageSequence::deleteEvent (const int index,
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const bool deleteMatchingNoteUp)
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{
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if (isPositiveAndBelow (index, list.size()))
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{
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if (deleteMatchingNoteUp)
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deleteEvent (getIndexOfMatchingKeyUp (index), false);
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list.remove (index);
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}
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}
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struct MidiMessageSequenceSorter
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{
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static int compareElements (const MidiMessageSequence::MidiEventHolder* const first,
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const MidiMessageSequence::MidiEventHolder* const second) noexcept
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{
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const double diff = first->message.getTimeStamp() - second->message.getTimeStamp();
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return (diff > 0) - (diff < 0);
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}
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};
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void MidiMessageSequence::addSequence (const MidiMessageSequence& other,
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double timeAdjustment,
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double firstAllowableTime,
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double endOfAllowableDestTimes)
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{
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firstAllowableTime -= timeAdjustment;
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endOfAllowableDestTimes -= timeAdjustment;
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for (int i = 0; i < other.list.size(); ++i)
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{
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const MidiMessage& m = other.list.getUnchecked(i)->message;
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const double t = m.getTimeStamp();
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if (t >= firstAllowableTime && t < endOfAllowableDestTimes)
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{
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MidiEventHolder* const newOne = new MidiEventHolder (m);
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newOne->message.setTimeStamp (timeAdjustment + t);
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list.add (newOne);
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}
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}
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sort();
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}
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//==============================================================================
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void MidiMessageSequence::sort() noexcept
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{
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MidiMessageSequenceSorter sorter;
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list.sort (sorter, true);
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}
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void MidiMessageSequence::updateMatchedPairs() noexcept
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{
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for (int i = 0; i < list.size(); ++i)
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{
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MidiEventHolder* const meh = list.getUnchecked(i);
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const MidiMessage& m1 = meh->message;
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if (m1.isNoteOn())
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{
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meh->noteOffObject = nullptr;
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const int note = m1.getNoteNumber();
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const int chan = m1.getChannel();
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const int len = list.size();
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for (int j = i + 1; j < len; ++j)
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{
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const MidiMessage& m = list.getUnchecked(j)->message;
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if (m.getNoteNumber() == note && m.getChannel() == chan)
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{
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if (m.isNoteOff())
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{
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meh->noteOffObject = list[j];
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break;
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}
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else if (m.isNoteOn())
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{
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MidiEventHolder* const newEvent = new MidiEventHolder (MidiMessage::noteOff (chan, note));
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list.insert (j, newEvent);
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newEvent->message.setTimeStamp (m.getTimeStamp());
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meh->noteOffObject = newEvent;
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break;
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}
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}
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}
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}
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}
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}
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void MidiMessageSequence::addTimeToMessages (const double delta) noexcept
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{
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for (int i = list.size(); --i >= 0;)
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{
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MidiMessage& mm = list.getUnchecked(i)->message;
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mm.setTimeStamp (mm.getTimeStamp() + delta);
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}
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}
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//==============================================================================
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void MidiMessageSequence::extractMidiChannelMessages (const int channelNumberToExtract,
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MidiMessageSequence& destSequence,
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const bool alsoIncludeMetaEvents) const
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{
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for (int i = 0; i < list.size(); ++i)
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{
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const MidiMessage& mm = list.getUnchecked(i)->message;
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if (mm.isForChannel (channelNumberToExtract) || (alsoIncludeMetaEvents && mm.isMetaEvent()))
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destSequence.addEvent (mm);
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}
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}
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void MidiMessageSequence::extractSysExMessages (MidiMessageSequence& destSequence) const
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{
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for (int i = 0; i < list.size(); ++i)
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{
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const MidiMessage& mm = list.getUnchecked(i)->message;
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if (mm.isSysEx())
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destSequence.addEvent (mm);
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}
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}
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void MidiMessageSequence::deleteMidiChannelMessages (const int channelNumberToRemove)
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{
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for (int i = list.size(); --i >= 0;)
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if (list.getUnchecked(i)->message.isForChannel (channelNumberToRemove))
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list.remove(i);
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}
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void MidiMessageSequence::deleteSysExMessages()
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{
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for (int i = list.size(); --i >= 0;)
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if (list.getUnchecked(i)->message.isSysEx())
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list.remove(i);
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}
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//==============================================================================
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void MidiMessageSequence::createControllerUpdatesForTime (const int channelNumber,
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const double time,
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OwnedArray<MidiMessage>& dest)
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{
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bool doneProg = false;
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bool donePitchWheel = false;
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Array<int> doneControllers;
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doneControllers.ensureStorageAllocated (32);
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for (int i = list.size(); --i >= 0;)
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{
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const MidiMessage& mm = list.getUnchecked(i)->message;
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if (mm.isForChannel (channelNumber) && mm.getTimeStamp() <= time)
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{
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if (mm.isProgramChange())
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{
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if (! doneProg)
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{
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dest.add (new MidiMessage (mm, 0.0));
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doneProg = true;
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}
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}
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else if (mm.isController())
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{
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if (! doneControllers.contains (mm.getControllerNumber()))
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{
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dest.add (new MidiMessage (mm, 0.0));
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doneControllers.add (mm.getControllerNumber());
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}
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}
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else if (mm.isPitchWheel())
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{
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if (! donePitchWheel)
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{
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dest.add (new MidiMessage (mm, 0.0));
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donePitchWheel = true;
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}
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}
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}
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}
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}
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//==============================================================================
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MidiMessageSequence::MidiEventHolder::MidiEventHolder (const MidiMessage& mm)
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: message (mm), noteOffObject (nullptr)
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{
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}
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MidiMessageSequence::MidiEventHolder::~MidiEventHolder()
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{
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}
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