cannam@95: /* Copyright Chris Cannam - All Rights Reserved */
cannam@95: 
cannam@95: package com.breakfastquay.rubberband;
cannam@95: 
cannam@95: public class RubberBandStretcher
cannam@95: {
cannam@95:     public RubberBandStretcher(int sampleRate, int channels,
cannam@95: 			       int options,
cannam@95: 			       double initialTimeRatio,
cannam@95: 			       double initialPitchScale) {
cannam@95: 	handle = 0;
cannam@95: 	initialise(sampleRate, channels, options,
cannam@95: 		   initialTimeRatio, initialPitchScale);
cannam@95:     }
cannam@95: 
cannam@95:     public native void dispose();
cannam@95: 
cannam@95:     public native void reset();
cannam@95: 
cannam@95:     public native void setTimeRatio(double ratio);
cannam@95:     public native void setPitchScale(double scale);
cannam@95: 
cannam@95:     public native int getChannelCount();
cannam@95:     public native double getTimeRatio();
cannam@95:     public native double getPitchScale();
cannam@95: 
cannam@95:     public native int getLatency();
cannam@95: 
cannam@95:     public native void setTransientsOption(int options);
cannam@95:     public native void setDetectorOption(int options);
cannam@95:     public native void setPhaseOption(int options);
cannam@95:     public native void setFormantOption(int options);
cannam@95:     public native void setPitchOption(int options);
cannam@95: 
cannam@95:     public native void setExpectedInputDuration(long samples);
cannam@95:     public native void setMaxProcessSize(int samples);
cannam@95: 
cannam@95:     public native int getSamplesRequired();
cannam@95: 
cannam@95:     //!!! todo: setKeyFrameMap
cannam@95: 
cannam@95:     public native void study(float[][] input, int offset, int n, boolean finalBlock);
cannam@95:     public void study(float[][] input, boolean finalBlock) {
cannam@95: 	study(input, 0, input[0].length, finalBlock);
cannam@95:     }
cannam@95: 
cannam@95:     public native void process(float[][] input, int offset, int n, boolean finalBlock);
cannam@95:     public void process(float[][] input, boolean finalBlock) {
cannam@95: 	process(input, 0, input[0].length, finalBlock);
cannam@95:     }
cannam@95: 
cannam@95:     public native int available();
cannam@95: 
cannam@95:     public native int retrieve(float[][] output, int offset, int n);
cannam@95:     public int retrieve(float[][] output) {
cannam@95: 	return retrieve(output, 0, output[0].length);
cannam@95:     }
cannam@95: 
cannam@95:     private native void initialise(int sampleRate, int channels, int options,
cannam@95: 				   double initialTimeRatio,
cannam@95: 				   double initialPitchScale);
cannam@95:     private long handle;
cannam@95: 
cannam@95:     public static final int OptionProcessOffline       = 0x00000000;
cannam@95:     public static final int OptionProcessRealTime      = 0x00000001;
cannam@95: 
cannam@95:     public static final int OptionStretchElastic       = 0x00000000;
cannam@95:     public static final int OptionStretchPrecise       = 0x00000010;
cannam@95:     
cannam@95:     public static final int OptionTransientsCrisp      = 0x00000000;
cannam@95:     public static final int OptionTransientsMixed      = 0x00000100;
cannam@95:     public static final int OptionTransientsSmooth     = 0x00000200;
cannam@95: 
cannam@95:     public static final int OptionDetectorCompound     = 0x00000000;
cannam@95:     public static final int OptionDetectorPercussive   = 0x00000400;
cannam@95:     public static final int OptionDetectorSoft         = 0x00000800;
cannam@95: 
cannam@95:     public static final int OptionPhaseLaminar         = 0x00000000;
cannam@95:     public static final int OptionPhaseIndependent     = 0x00002000;
cannam@95:     
cannam@95:     public static final int OptionThreadingAuto        = 0x00000000;
cannam@95:     public static final int OptionThreadingNever       = 0x00010000;
cannam@95:     public static final int OptionThreadingAlways      = 0x00020000;
cannam@95: 
cannam@95:     public static final int OptionWindowStandard       = 0x00000000;
cannam@95:     public static final int OptionWindowShort          = 0x00100000;
cannam@95:     public static final int OptionWindowLong           = 0x00200000;
cannam@95: 
cannam@95:     public static final int OptionSmoothingOff         = 0x00000000;
cannam@95:     public static final int OptionSmoothingOn          = 0x00800000;
cannam@95: 
cannam@95:     public static final int OptionFormantShifted       = 0x00000000;
cannam@95:     public static final int OptionFormantPreserved     = 0x01000000;
cannam@95: 
cannam@95:     public static final int OptionPitchHighSpeed       = 0x00000000;
cannam@95:     public static final int OptionPitchHighQuality     = 0x02000000;
cannam@95:     public static final int OptionPitchHighConsistency = 0x04000000;
cannam@95: 
cannam@95:     public static final int OptionChannelsApart        = 0x00000000;
cannam@95:     public static final int OptionChannelsTogether     = 0x10000000;
cannam@95: 
cannam@95:     public static final int DefaultOptions             = 0x00000000;
cannam@95:     public static final int PercussiveOptions          = 0x00102000;
cannam@95: 
cannam@95:     static {
cannam@95: 	System.loadLibrary("rubberband");
cannam@95:     }
cannam@95: };
cannam@95: