- port to minGw

git-svn-id: http://moon:8086/svn/software/trunk/projects/JaySynth@235 b431acfa-c32f-4a4a-93f1-934dc6c82436
2015-02-21 17:09:43 +00:00
parent 843c6e300c
commit cfc9645b0b
1093 changed files with 426078 additions and 143 deletions
@@ -0,0 +1,183 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2013 - Raw Material Software Ltd.
+
+   Permission is granted to use this software under the terms of either:
+   a) the GPL v2 (or any later version)
+   b) the Affero GPL v3
+
+   Details of these licenses can be found at: www.gnu.org/licenses
+
+   JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+   ------------------------------------------------------------------------------
+
+   To release a closed-source product which uses JUCE, commercial licenses are
+   available: visit www.juce.com for more information.
+
+  ==============================================================================
+*/
+
+MidiKeyboardState::MidiKeyboardState()
+{
+    zerostruct (noteStates);
+}
+
+MidiKeyboardState::~MidiKeyboardState()
+{
+}
+
+//==============================================================================
+void MidiKeyboardState::reset()
+{
+    const ScopedLock sl (lock);
+    zerostruct (noteStates);
+    eventsToAdd.clear();
+}
+
+bool MidiKeyboardState::isNoteOn (const int midiChannel, const int n) const noexcept
+{
+    jassert (midiChannel >= 0 && midiChannel <= 16);
+
+    return isPositiveAndBelow (n, (int) 128)
+            && (noteStates[n] & (1 << (midiChannel - 1))) != 0;
+}
+
+bool MidiKeyboardState::isNoteOnForChannels (const int midiChannelMask, const int n) const noexcept
+{
+    return isPositiveAndBelow (n, (int) 128)
+            && (noteStates[n] & midiChannelMask) != 0;
+}
+
+void MidiKeyboardState::noteOn (const int midiChannel, const int midiNoteNumber, const float velocity)
+{
+    jassert (midiChannel >= 0 && midiChannel <= 16);
+    jassert (isPositiveAndBelow (midiNoteNumber, (int) 128));
+
+    const ScopedLock sl (lock);
+
+    if (isPositiveAndBelow (midiNoteNumber, (int) 128))
+    {
+        const int timeNow = (int) Time::getMillisecondCounter();
+        eventsToAdd.addEvent (MidiMessage::noteOn (midiChannel, midiNoteNumber, velocity), timeNow);
+        eventsToAdd.clear (0, timeNow - 500);
+
+        noteOnInternal (midiChannel, midiNoteNumber, velocity);
+    }
+}
+
+void MidiKeyboardState::noteOnInternal  (const int midiChannel, const int midiNoteNumber, const float velocity)
+{
+    if (isPositiveAndBelow (midiNoteNumber, (int) 128))
+    {
+        noteStates [midiNoteNumber] |= (1 << (midiChannel - 1));
+
+        for (int i = listeners.size(); --i >= 0;)
+            listeners.getUnchecked(i)->handleNoteOn (this, midiChannel, midiNoteNumber, velocity);
+    }
+}
+
+void MidiKeyboardState::noteOff (const int midiChannel, const int midiNoteNumber)
+{
+    const ScopedLock sl (lock);
+
+    if (isNoteOn (midiChannel, midiNoteNumber))
+    {
+        const int timeNow = (int) Time::getMillisecondCounter();
+        eventsToAdd.addEvent (MidiMessage::noteOff (midiChannel, midiNoteNumber), timeNow);
+        eventsToAdd.clear (0, timeNow - 500);
+
+        noteOffInternal (midiChannel, midiNoteNumber);
+    }
+}
+
+void MidiKeyboardState::noteOffInternal  (const int midiChannel, const int midiNoteNumber)
+{
+    if (isNoteOn (midiChannel, midiNoteNumber))
+    {
+        noteStates [midiNoteNumber] &= ~(1 << (midiChannel - 1));
+
+        for (int i = listeners.size(); --i >= 0;)
+            listeners.getUnchecked(i)->handleNoteOff (this, midiChannel, midiNoteNumber);
+    }
+}
+
+void MidiKeyboardState::allNotesOff (const int midiChannel)
+{
+    const ScopedLock sl (lock);
+
+    if (midiChannel <= 0)
+    {
+        for (int i = 1; i <= 16; ++i)
+            allNotesOff (i);
+    }
+    else
+    {
+        for (int i = 0; i < 128; ++i)
+            noteOff (midiChannel, i);
+    }
+}
+
+void MidiKeyboardState::processNextMidiEvent (const MidiMessage& message)
+{
+    if (message.isNoteOn())
+    {
+        noteOnInternal (message.getChannel(), message.getNoteNumber(), message.getFloatVelocity());
+    }
+    else if (message.isNoteOff())
+    {
+        noteOffInternal (message.getChannel(), message.getNoteNumber());
+    }
+    else if (message.isAllNotesOff())
+    {
+        for (int i = 0; i < 128; ++i)
+            noteOffInternal (message.getChannel(), i);
+    }
+}
+
+void MidiKeyboardState::processNextMidiBuffer (MidiBuffer& buffer,
+                                               const int startSample,
+                                               const int numSamples,
+                                               const bool injectIndirectEvents)
+{
+    MidiBuffer::Iterator i (buffer);
+    MidiMessage message (0xf4, 0.0);
+    int time;
+
+    const ScopedLock sl (lock);
+
+    while (i.getNextEvent (message, time))
+        processNextMidiEvent (message);
+
+    if (injectIndirectEvents)
+    {
+        MidiBuffer::Iterator i2 (eventsToAdd);
+        const int firstEventToAdd = eventsToAdd.getFirstEventTime();
+        const double scaleFactor = numSamples / (double) (eventsToAdd.getLastEventTime() + 1 - firstEventToAdd);
+
+        while (i2.getNextEvent (message, time))
+        {
+            const int pos = jlimit (0, numSamples - 1, roundToInt ((time - firstEventToAdd) * scaleFactor));
+            buffer.addEvent (message, startSample + pos);
+        }
+    }
+
+    eventsToAdd.clear();
+}
+
+//==============================================================================
+void MidiKeyboardState::addListener (MidiKeyboardStateListener* const listener)
+{
+    const ScopedLock sl (lock);
+    listeners.addIfNotAlreadyThere (listener);
+}
+
+void MidiKeyboardState::removeListener (MidiKeyboardStateListener* const listener)
+{
+    const ScopedLock sl (lock);
+    listeners.removeFirstMatchingValue (listener);
+}