/* JOrbis * Copyright (C) 2000 ymnk, JCraft,Inc. * * Written by: 2000 ymnk<ymnk@jcraft.com> * * Many thanks to * Monty <monty@xiph.org> and * The XIPHOPHORUS Company http://www.xiph.org/ . * JOrbis has been based on their awesome works, Vorbis codec. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public License * as published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * This program 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 Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ package com.jcraft.jorbis; class PsyLook { int n; PsyInfo vi; float[][][] tonecurves; float[][] peakatt; float[][][] noisecurves; float[] ath; int[] octave; void init(PsyInfo vi, int n, int rate){ /* float rate2=rate/2.; //memset(p,0,sizeof(vorbis_look_psy)); ath=new float[n]; octave=new int[n]; this.vi=vi; this.n=n; // set up the lookups for a given blocksize and sample rate // Vorbis max sample rate is limited by 26 Bark (54kHz) set_curve(ATH_Bark_dB, ath,n,rate); for(int i=0;i<n;i++) ath[i]=fromdB(ath[i]+vi.ath_att); for(int i=0;i<n;i++){ int oc=rint(toOC((i+.5)*rate2/n)*2.); if(oc<0)oc=0; if(oc>12)oc=12; octave[i]=oc; } tonecurves=malloc(13*sizeof(float **)); noisecurves=malloc(13*sizeof(float **)); peakatt=malloc(7*sizeof(float *)); for(int i=0;i<13;i++){ tonecurves[i]=malloc(9*sizeof(float *)); noisecurves[i]=malloc(9*sizeof(float *)); } for(i=0;i<7;i++) peakatt[i]=malloc(5*sizeof(float)); for(i=0;i<13;i++){ for(j=0;j<9;j++){ tonecurves[i][j]=malloc(EHMER_MAX*sizeof(float)); noisecurves[i][j]=malloc(EHMER_MAX*sizeof(float)); } } // OK, yeah, this was a silly way to do it memcpy(tonecurves[0][2],tone_125_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[0][4],tone_125_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[0][6],tone_125_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[0][8],tone_125_100dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[2][2],tone_250_40dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[2][4],tone_250_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[2][6],tone_250_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[2][8],tone_250_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[4][2],tone_500_40dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[4][4],tone_500_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[4][6],tone_500_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[4][8],tone_500_100dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[6][2],tone_1000_40dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[6][4],tone_1000_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[6][6],tone_1000_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[6][8],tone_1000_100dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[8][2],tone_2000_40dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[8][4],tone_2000_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[8][6],tone_2000_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[8][8],tone_2000_100dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[10][2],tone_4000_40dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[10][4],tone_4000_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[10][6],tone_4000_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[10][8],tone_4000_100dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[12][2],tone_4000_40dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[12][4],tone_4000_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[12][6],tone_8000_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(tonecurves[12][8],tone_8000_100dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[0][2],noise_500_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[0][4],noise_500_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[0][6],noise_500_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[0][8],noise_500_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[2][2],noise_500_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[2][4],noise_500_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[2][6],noise_500_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[2][8],noise_500_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[4][2],noise_500_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[4][4],noise_500_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[4][6],noise_500_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[4][8],noise_500_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[6][2],noise_1000_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[6][4],noise_1000_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[6][6],noise_1000_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[6][8],noise_1000_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[8][2],noise_2000_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[8][4],noise_2000_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[8][6],noise_2000_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[8][8],noise_2000_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[10][2],noise_4000_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[10][4],noise_4000_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[10][6],noise_4000_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[10][8],noise_4000_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[12][2],noise_4000_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[12][4],noise_4000_60dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[12][6],noise_4000_80dB_SL,sizeof(float)*EHMER_MAX); memcpy(noisecurves[12][8],noise_4000_80dB_SL,sizeof(float)*EHMER_MAX); setup_curve(tonecurves[0],0,vi.toneatt_125Hz); setup_curve(tonecurves[2],2,vi.toneatt_250Hz); setup_curve(tonecurves[4],4,vi.toneatt_500Hz); setup_curve(tonecurves[6],6,vi.toneatt_1000Hz); setup_curve(tonecurves[8],8,vi.toneatt_2000Hz); setup_curve(tonecurves[10],10,vi.toneatt_4000Hz); setup_curve(tonecurves[12],12,vi.toneatt_8000Hz); setup_curve(noisecurves[0],0,vi.noiseatt_125Hz); setup_curve(noisecurves[2],2,vi.noiseatt_250Hz); setup_curve(noisecurves[4],4,vi.noiseatt_500Hz); setup_curve(noisecurves[6],6,vi.noiseatt_1000Hz); setup_curve(noisecurves[8],8,vi.noiseatt_2000Hz); setup_curve(noisecurves[10],10,vi.noiseatt_4000Hz); setup_curve(noisecurves[12],12,vi.noiseatt_8000Hz); for(i=1;i<13;i+=2){ for(j=0;j<9;j++){ interp_curve_dB(tonecurves[i][j], tonecurves[i-1][j], tonecurves[i+1][j],.5); interp_curve_dB(noisecurves[i][j], noisecurves[i-1][j], noisecurves[i+1][j],.5); } } for(i=0;i<5;i++){ peakatt[0][i]=fromdB(vi.peakatt_125Hz[i]); peakatt[1][i]=fromdB(vi.peakatt_250Hz[i]); peakatt[2][i]=fromdB(vi.peakatt_500Hz[i]); peakatt[3][i]=fromdB(vi.peakatt_1000Hz[i]); peakatt[4][i]=fromdB(vi.peakatt_2000Hz[i]); peakatt[5][i]=fromdB(vi.peakatt_4000Hz[i]); peakatt[6][i]=fromdB(vi.peakatt_8000Hz[i]); } */ } }