Cross Reference: /openjdk7/jdk/src/share/classes/com/sun/media/sound/FFT.java

Lines Matching refs:fftFrameSize
35     private final int fftFrameSize;
44     public FFT(int fftFrameSize, int sign) {
45         w = computeTwiddleFactors(fftFrameSize, sign);
47         this.fftFrameSize = fftFrameSize;
49         fftFrameSize2 = fftFrameSize << 1;
68         calc(fftFrameSize, data, sign, w);
71     private final static double[] computeTwiddleFactors(int fftFrameSize,
74         int imax = (int) (Math.log(fftFrameSize) / Math.log(2.));
76         double[] warray = new double[(fftFrameSize - 1) * 4];
125     private final static void calc(int fftFrameSize, double[] data, int sign,
128         final int fftFrameSize2 = fftFrameSize << 1;
136             calcF4F(fftFrameSize, data, i, nstep, w);
138             calcF4I(fftFrameSize, data, i, nstep, w);
142     private final static void calcF2E(int fftFrameSize, double[] data, int i,
166     private final static void calcF4F(int fftFrameSize, double[] data, int i,
168         final int fftFrameSize2 = fftFrameSize << 1; // 2*fftFrameSize;
177                 calcF4FE(fftFrameSize, data, i, nstep, w);
184                 calcF2E(fftFrameSize, data, i, nstep, w);
328         calcF2E(fftFrameSize, data, i, nstep, w);
334     private final static void calcF4I(int fftFrameSize, double[] data, int i,
336         final int fftFrameSize2 = fftFrameSize << 1; // 2*fftFrameSize;
345                 calcF4IE(fftFrameSize, data, i, nstep, w);
352                 calcF2E(fftFrameSize, data, i, nstep, w);
496         calcF2E(fftFrameSize, data, i, nstep, w);
502     private final static void calcF4FE(int fftFrameSize, double[] data, int i,
504         final int fftFrameSize2 = fftFrameSize << 1; // 2*fftFrameSize;
514                 calcF2E(fftFrameSize, data, i, nstep, w);
596     private final static void calcF4IE(int fftFrameSize, double[] data, int i,
598         final int fftFrameSize2 = fftFrameSize << 1; // 2*fftFrameSize;
608                 calcF2E(fftFrameSize, data, i, nstep, w);
689         if (fftFrameSize < 4)
693         for (int i = 0; i < fftFrameSize; i += 4) {
732             int m = j + fftFrameSize; // bitm_array[i+2];