- 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 +1,146 @@
+/*
+  ==============================================================================
+
+   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.
+
+  ==============================================================================
+*/
+
+#ifndef JUCE_SAMPLER_H_INCLUDED
+#define JUCE_SAMPLER_H_INCLUDED
+
+
+//==============================================================================
+/**
+    A subclass of SynthesiserSound that represents a sampled audio clip.
+
+    This is a pretty basic sampler, and just attempts to load the whole audio stream
+    into memory.
+
+    To use it, create a Synthesiser, add some SamplerVoice objects to it, then
+    give it some SampledSound objects to play.
+
+    @see SamplerVoice, Synthesiser, SynthesiserSound
+*/
+class JUCE_API  SamplerSound    : public SynthesiserSound
+{
+public:
+    //==============================================================================
+    /** Creates a sampled sound from an audio reader.
+
+        This will attempt to load the audio from the source into memory and store
+        it in this object.
+
+        @param name         a name for the sample
+        @param source       the audio to load. This object can be safely deleted by the
+                            caller after this constructor returns
+        @param midiNotes    the set of midi keys that this sound should be played on. This
+                            is used by the SynthesiserSound::appliesToNote() method
+        @param midiNoteForNormalPitch   the midi note at which the sample should be played
+                                        with its natural rate. All other notes will be pitched
+                                        up or down relative to this one
+        @param attackTimeSecs   the attack (fade-in) time, in seconds
+        @param releaseTimeSecs  the decay (fade-out) time, in seconds
+        @param maxSampleLengthSeconds   a maximum length of audio to read from the audio
+                                        source, in seconds
+    */
+    SamplerSound (const String& name,
+                  AudioFormatReader& source,
+                  const BigInteger& midiNotes,
+                  int midiNoteForNormalPitch,
+                  double attackTimeSecs,
+                  double releaseTimeSecs,
+                  double maxSampleLengthSeconds);
+
+    /** Destructor. */
+    ~SamplerSound();
+
+    //==============================================================================
+    /** Returns the sample's name */
+    const String& getName() const noexcept                  { return name; }
+
+    /** Returns the audio sample data.
+        This could return nullptr if there was a problem loading the data.
+    */
+    AudioSampleBuffer* getAudioData() const noexcept        { return data; }
+
+
+    //==============================================================================
+    bool appliesToNote (int midiNoteNumber) override;
+    bool appliesToChannel (int midiChannel) override;
+
+
+private:
+    //==============================================================================
+    friend class SamplerVoice;
+
+    String name;
+    ScopedPointer<AudioSampleBuffer> data;
+    double sourceSampleRate;
+    BigInteger midiNotes;
+    int length, attackSamples, releaseSamples;
+    int midiRootNote;
+
+    JUCE_LEAK_DETECTOR (SamplerSound)
+};
+
+
+//==============================================================================
+/**
+    A subclass of SynthesiserVoice that can play a SamplerSound.
+
+    To use it, create a Synthesiser, add some SamplerVoice objects to it, then
+    give it some SampledSound objects to play.
+
+    @see SamplerSound, Synthesiser, SynthesiserVoice
+*/
+class JUCE_API  SamplerVoice    : public SynthesiserVoice
+{
+public:
+    //==============================================================================
+    /** Creates a SamplerVoice. */
+    SamplerVoice();
+
+    /** Destructor. */
+    ~SamplerVoice();
+
+    //==============================================================================
+    bool canPlaySound (SynthesiserSound*) override;
+
+    void startNote (int midiNoteNumber, float velocity, SynthesiserSound*, int pitchWheel) override;
+    void stopNote (float velocity, bool allowTailOff) override;
+
+    void pitchWheelMoved (int newValue);
+    void controllerMoved (int controllerNumber, int newValue) override;
+
+    void renderNextBlock (AudioSampleBuffer&, int startSample, int numSamples) override;
+
+
+private:
+    //==============================================================================
+    double pitchRatio;
+    double sourceSamplePosition;
+    float lgain, rgain, attackReleaseLevel, attackDelta, releaseDelta;
+    bool isInAttack, isInRelease;
+
+    JUCE_LEAK_DETECTOR (SamplerVoice)
+};
+
+
+#endif   // JUCE_SAMPLER_H_INCLUDED