diff options
Diffstat (limited to 'ofxMaxim/examples/iOS')
37 files changed, 5268 insertions, 0 deletions
diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/bin/data/Default.png b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/bin/data/Default.png Binary files differnew file mode 100644 index 0000000..e782497 --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/bin/data/Default.png diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/bin/data/Icon.png b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/bin/data/Icon.png Binary files differnew file mode 100644 index 0000000..2d926c8 --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/bin/data/Icon.png diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/bin/data/beat2.wav b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/bin/data/beat2.wav Binary files differnew file mode 100644 index 0000000..c71cee6 --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/bin/data/beat2.wav diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/bin/data/remoteatmos.wav b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/bin/data/remoteatmos.wav Binary files differnew file mode 100644 index 0000000..87e3cdf --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/bin/data/remoteatmos.wav diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/iPhoneEmptyExample.xcodeproj/project.pbxproj b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/iPhoneEmptyExample.xcodeproj/project.pbxproj new file mode 100755 index 0000000..dd49a5e --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/iPhoneEmptyExample.xcodeproj/project.pbxproj @@ -0,0 +1,909 @@ +// !$*UTF8*$! +{ + archiveVersion = 1; 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+ defaultConfigurationIsVisible = 0; + defaultConfigurationName = Release; + }; + C01FCF4E08A954540054247B /* Build configuration list for PBXProject "iPhoneEmptyExample" */ = { + isa = XCConfigurationList; + buildConfigurations = ( + C01FCF4F08A954540054247B /* Debug */, + C01FCF5008A954540054247B /* Release */, + E49BCC2F12554938009F19D0 /* ReleaseArmv7 */, + ); + defaultConfigurationIsVisible = 0; + defaultConfigurationName = Release; + }; +/* End XCConfigurationList section */ + }; + rootObject = 29B97313FDCFA39411CA2CEA /* Project object */; +} diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/iPhone_Prefix.pch b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/iPhone_Prefix.pch new file mode 100644 index 0000000..fd3401c --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/iPhone_Prefix.pch @@ -0,0 +1,8 @@ +// +// Prefix header for all source files of the 'iPhone' target in the 'iPhone' project +// + +#ifdef __OBJC__ + #import <Foundation/Foundation.h> + #import <UIKit/UIKit.h> +#endif diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/install.xml b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/install.xml new file mode 100644 index 0000000..58923be --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/install.xml @@ -0,0 +1,35 @@ +<install> + <version>0.1</version> + <author>Goldsmiths Creative Computing</author> + <url>http://www.maximilian.strangeloop.co.uk/</url> + <requires></requires> + + + <add> + <!-- ===================================================================== --> + <!-- ========================== add per project using this addon ========= --> + <!-- ===================================================================== --> + + <src> + + <folder name="addons/ofxMaxim/src"> + <file>../../../addons/ofxMaxim/src/ofxMaxim.h</file> + </folder> + + <folder name="addons/ofxMaxim/libs"> + <file>../../../addons/ofxMaxim/libs/fft.h</file> + <file>../../../addons/ofxMaxim/libs/fft.cpp</file> + <file>../../../addons/ofxMaxim/libs/fftOctaveAnalyzer.h</file> + <file>../../../addons/ofxMaxim/libs/fftOctaveAnalyzer.cpp</file> + <file>../../../addons/ofxMaxim/libs/maximilian.h</file> + <file>../../../addons/ofxMaxim/libs/maximilian.cpp</file> + </folder> + + </src> + + <include> + <path>../../../addons/ofxMaxim/src</path> + <path>../../../addons/ofxMaxim/libs</path> + </include> + </add> +</install>
\ No newline at end of file diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/fft.cpp b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/fft.cpp new file mode 100644 index 0000000..3f13bd2 --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/fft.cpp @@ -0,0 +1,608 @@ +/* + * maximilian + * platform independent synthesis library using portaudio or rtaudio + * + * Created by Mick Grierson on 29/12/2009. + * Copyright 2009 Mick Grierson & Strangeloop Limited. All rights reserved. + * Thanks to the Goldsmiths Creative Computing Team. + * Special thanks to Arturo Castro for the PortAudio implementation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +/* + + fft.cpp + + Based on K+R Numerical recipes in C and some other stuff hacked about. + + */ + +#include "fft.h" +#include <stdlib.h> +#include <stdio.h> +#include <math.h> +#include <string.h> + +int **gFFTBitTable = NULL; +const int MaxFastBits = 16; + +int IsPowerOfTwo(int x) +{ + if (x < 2) + return false; + + if (x & (x - 1)) + return false; + + return true; +} + +int NumberOfBitsNeeded(int PowerOfTwo) +{ + int i; + + if (PowerOfTwo < 2) { + fprintf(stderr, "Error: FFT called with size %d\n", PowerOfTwo); + exit(1); + } + + for (i = 0;; i++) + if (PowerOfTwo & (1 << i)) + return i; +} + +int ReverseBits(int index, int NumBits) +{ + int i, rev; + + for (i = rev = 0; i < NumBits; i++) { + rev = (rev << 1) | (index & 1); + index >>= 1; + } + + return rev; +} + +void InitFFT() +{ +// gFFTBitTable = new int *[MaxFastBits]; + //use malloc for 16 byte alignment + gFFTBitTable = (int**) malloc(MaxFastBits * sizeof(int*)); + + int len = 2; + for (int b = 1; b <= MaxFastBits; b++) { + +// gFFTBitTable[b - 1] = new int[len]; + gFFTBitTable[b - 1] = (int*) malloc(len * sizeof(int)); + + for (int i = 0; i < len; i++) + gFFTBitTable[b - 1][i] = ReverseBits(i, b); + + len <<= 1; + } +} + +inline int FastReverseBits(int i, int NumBits) +{ + if (NumBits <= MaxFastBits) + return gFFTBitTable[NumBits - 1][i]; + else + return ReverseBits(i, NumBits); +} + +/* + * Complex Fast Fourier Transform + */ + +void FFT(int NumSamples, + bool InverseTransform, + float *RealIn, float *ImagIn, float *RealOut, float *ImagOut) +{ + int NumBits; /* Number of bits needed to store indices */ + int i, j, k, n; + int BlockSize, BlockEnd; + + double angle_numerator = 2.0 * M_PI; + float tr, ti; /* temp real, temp imaginary */ + + if (!IsPowerOfTwo(NumSamples)) { + fprintf(stderr, "%d is not a power of two\n", NumSamples); + exit(1); + } + + if (!gFFTBitTable) + InitFFT(); + + if (InverseTransform) + angle_numerator = -angle_numerator; + + NumBits = NumberOfBitsNeeded(NumSamples); + + /* + ** Do simultaneous data copy and bit-reversal ordering into outputs... + */ + + for (i = 0; i < NumSamples; i++) { + j = FastReverseBits(i, NumBits); + RealOut[j] = RealIn[i]; + ImagOut[j] = (ImagIn == NULL) ? 0.0 : ImagIn[i]; + } + + /* + ** Do the FFT itself... + */ + + BlockEnd = 1; + for (BlockSize = 2; BlockSize <= NumSamples; BlockSize <<= 1) { + + double delta_angle = angle_numerator / (double) BlockSize; + + float sm2 = sin(-2 * delta_angle); + float sm1 = sin(-delta_angle); + float cm2 = cos(-2 * delta_angle); + float cm1 = cos(-delta_angle); + float w = 2 * cm1; + float ar0, ar1, ar2, ai0, ai1, ai2; + + for (i = 0; i < NumSamples; i += BlockSize) { + ar2 = cm2; + ar1 = cm1; + + ai2 = sm2; + ai1 = sm1; + + for (j = i, n = 0; n < BlockEnd; j++, n++) { + ar0 = w * ar1 - ar2; + ar2 = ar1; + ar1 = ar0; + + ai0 = w * ai1 - ai2; + ai2 = ai1; + ai1 = ai0; + + k = j + BlockEnd; + tr = ar0 * RealOut[k] - ai0 * ImagOut[k]; + ti = ar0 * ImagOut[k] + ai0 * RealOut[k]; + + RealOut[k] = RealOut[j] - tr; + ImagOut[k] = ImagOut[j] - ti; + + RealOut[j] += tr; + ImagOut[j] += ti; + } + } + + BlockEnd = BlockSize; + } + + /* + ** Need to normalize if inverse transform... + */ + + if (InverseTransform) { + float denom = (float) NumSamples; + + for (i = 0; i < NumSamples; i++) { + RealOut[i] /= denom; + ImagOut[i] /= denom; + } + } +} + +/* + * Real Fast Fourier Transform + * + * This function was based on the code in Numerical Recipes in C. + * In Num. Rec., the inner loop is based on a single 1-based array + * of interleaved real and imaginary numbers. Because we have two + * separate zero-based arrays, our indices are quite different. + * Here is the correspondence between Num. Rec. indices and our indices: + * + * i1 <-> real[i] + * i2 <-> imag[i] + * i3 <-> real[n/2-i] + * i4 <-> imag[n/2-i] + */ + +void RealFFT(int NumSamples, float *RealIn, float *RealOut, float *ImagOut) +{ + int Half = NumSamples / 2; + int i; + + float theta = M_PI / Half; + + float *tmpReal = (float*) malloc(Half * sizeof(float)); + float *tmpImag = (float*) malloc(Half * sizeof(float)); + + for (i = 0; i < Half; i++) { + tmpReal[i] = RealIn[2 * i]; + tmpImag[i] = RealIn[2 * i + 1]; + } + + FFT(Half, 0, tmpReal, tmpImag, RealOut, ImagOut); + + float wtemp = float (sin(0.5 * theta)); + + float wpr = -2.0 * wtemp * wtemp; + float wpi = float (sin(theta)); + float wr = 1.0 + wpr; + float wi = wpi; + + int i3; + + float h1r, h1i, h2r, h2i; + + for (i = 1; i < Half / 2; i++) { + + i3 = Half - i; + + h1r = 0.5 * (RealOut[i] + RealOut[i3]); + h1i = 0.5 * (ImagOut[i] - ImagOut[i3]); + h2r = 0.5 * (ImagOut[i] + ImagOut[i3]); + h2i = -0.5 * (RealOut[i] - RealOut[i3]); + + RealOut[i] = h1r + wr * h2r - wi * h2i; + ImagOut[i] = h1i + wr * h2i + wi * h2r; + RealOut[i3] = h1r - wr * h2r + wi * h2i; + ImagOut[i3] = -h1i + wr * h2i + wi * h2r; + + wr = (wtemp = wr) * wpr - wi * wpi + wr; + wi = wi * wpr + wtemp * wpi + wi; + } + + RealOut[0] = (h1r = RealOut[0]) + ImagOut[0]; + ImagOut[0] = h1r - ImagOut[0]; + + delete[]tmpReal; + delete[]tmpImag; +} + +/* + * PowerSpectrum + * + * This function computes the same as RealFFT, above, but + * adds the squares of the real and imaginary part of each + * coefficient, extracting the power and throwing away the + * phase. + * + * For speed, it does not call RealFFT, but duplicates some + * of its code. + */ + +void PowerSpectrum(int NumSamples, float *In, float *Out) +{ + int Half = NumSamples / 2; + int i; + + float theta = M_PI / Half; + + float *tmpReal = new float[Half]; + float *tmpImag = new float[Half]; + float *RealOut = new float[Half]; + float *ImagOut = new float[Half]; + + for (i = 0; i < Half; i++) { + tmpReal[i] = In[2 * i]; + tmpImag[i] = In[2 * i + 1]; + } + + FFT(Half, 0, tmpReal, tmpImag, RealOut, ImagOut); + + float wtemp = float (sin(0.5 * theta)); + + float wpr = -2.0 * wtemp * wtemp; + float wpi = float (sin(theta)); + float wr = 1.0 + wpr; + float wi = wpi; + + int i3; + + float h1r, h1i, h2r, h2i, rt, it; + //float total=0; + + for (i = 1; i < Half / 2; i++) { + + i3 = Half - i; + + h1r = 0.5 * (RealOut[i] + RealOut[i3]); + h1i = 0.5 * (ImagOut[i] - ImagOut[i3]); + h2r = 0.5 * (ImagOut[i] + ImagOut[i3]); + h2i = -0.5 * (RealOut[i] - RealOut[i3]); + + rt = h1r + wr * h2r - wi * h2i; //printf("Realout%i = %f",i,rt);total+=fabs(rt); + it = h1i + wr * h2i + wi * h2r; // printf(" Imageout%i = %f\n",i,it); + + Out[i] = rt * rt + it * it; + + rt = h1r - wr * h2r + wi * h2i; + it = -h1i + wr * h2i + wi * h2r; + + Out[i3] = rt * rt + it * it; + + wr = (wtemp = wr) * wpr - wi * wpi + wr; + wi = wi * wpr + wtemp * wpi + wi; + } + //printf("total = %f\n",total); + rt = (h1r = RealOut[0]) + ImagOut[0]; + it = h1r - ImagOut[0]; + Out[0] = rt * rt + it * it; + + rt = RealOut[Half / 2]; + it = ImagOut[Half / 2]; + Out[Half / 2] = rt * rt + it * it; + + delete[]tmpReal; + delete[]tmpImag; + delete[]RealOut; + delete[]ImagOut; +} + +/* + * Windowing Functions + */ + +int NumWindowFuncs() +{ + return 4; +} + +char *WindowFuncName(int whichFunction) +{ + switch (whichFunction) { + default: + case 0: + return "Rectangular"; + case 1: + return "Bartlett"; + case 2: + return "Hamming"; + case 3: + return "Hanning"; + } +} + +void WindowFunc(int whichFunction, int NumSamples, float *in) +{ + int i; + + if (whichFunction == 1) { + // Bartlett (triangular) window + for (i = 0; i < NumSamples / 2; i++) { + in[i] *= (i / (float) (NumSamples / 2)); + in[i + (NumSamples / 2)] *= + (1.0 - (i / (float) (NumSamples / 2))); + } + } + + if (whichFunction == 2) { + // Hamming + for (i = 0; i < NumSamples; i++) + in[i] *= 0.54 - 0.46 * cos(2 * M_PI * i / (NumSamples - 1)); + } + + if (whichFunction == 3) { + // Hanning + for (i = 0; i < NumSamples; i++) + in[i] *= 0.50 - 0.50 * cos(2 * M_PI * i / (NumSamples - 1)); + } +} + +void fft::genWindow(int whichFunction, int NumSamples, float *window) +{ + int i; + + if (whichFunction == 1) { + // Bartlett (triangular) window + for (i = 0; i < NumSamples / 2; i++) { + window[i] = (i / (float) (NumSamples / 2)); + window[i + (NumSamples / 2)] = + (1.0 - (i / (float) (NumSamples / 2))); + } + } + + if (whichFunction == 2) { + // Hamming + for (i = 0; i < NumSamples; i++) + window[i] = 0.54 - 0.46 * cos(2 * M_PI * i / (NumSamples - 1)); + } + + if (whichFunction == 3) { + // Hanning + for (i = 0; i < NumSamples; i++) + window[i] = 0.50 - 0.50 * cos(2 * M_PI * i / (NumSamples - 1)); + } +} + +/* constructor */ +fft::fft(int fftSize) { + n = fftSize; + half = fftSize / 2; + //use malloc for 16 byte alignment + in_real = (float *) malloc(n * sizeof(float)); + in_img = (float *) malloc(n * sizeof(float)); + out_real = (float *) malloc(n * sizeof(float)); + out_img = (float *) malloc(n * sizeof(float)); + +#ifdef __APPLE_CC__ + log2n = log2(n); + A.realp = (float *) malloc(half * sizeof(float)); + A.imagp = (float *) malloc(half * sizeof(float)); + setupReal = vDSP_create_fftsetup(log2n, FFT_RADIX2); + if (setupReal == NULL) { + printf("\nFFT_Setup failed to allocate enough memory for" + "the real FFT.\n"); + } + polar = (float *) malloc(n * sizeof(float)); +#endif +} + +/* destructor */ +fft::~fft() { + delete[] in_real, out_real, in_img, out_img; +#ifdef __APPLE_CC__ + vDSP_destroy_fftsetup(setupReal); + delete[] A.realp; + delete[] A.imagp; + delete[] polar; +#endif + +} + +/* Calculate the power spectrum */ +void fft::powerSpectrum(int start, float *data, float *window, float *magnitude,float *phase) { + int i; + + //windowing + for (i = 0; i < n; i++) { + in_real[i] = data[start + i] * window[i]; + } + + + RealFFT(n, in_real, out_real, out_img); + + for (i = 0; i < half; i++) { + /* compute power */ + float power = out_real[i]*out_real[i] + out_img[i]*out_img[i]; + /* compute magnitude and phase */ + magnitude[i] = sqrt(power); + phase[i] = atan2(out_img[i],out_real[i]); + +// if (magnitude[i] < 0.000001){ // less than 0.1 nV +// magnitude[i] = 0; // out of range +// } else { +// magnitude[i] = 20.0*log10(magnitude[i] + 1); // get to to db scale +// } + } + +} + +void fft::convToDB(float *in, float *out) { + for (int i = 0; i < half; i++) { + if (in[i] < 0.000001){ // less than 0.1 nV + out[i] = 0; // out of range + } else { + out[i] = 20.0*log10(in[i] + 1); // get to to db scale + } + } +} + + +#ifdef __APPLE_CC__ + +/* Calculate the power spectrum */ +void fft::powerSpectrum_vdsp(int start, float *data, float *window, float *magnitude,float *phase) { + + uint32_t i; + + //multiply by window + vDSP_vmul(data, 1, window, 1, in_real, 1, n); + + //convert to split complex format - evens and odds + vDSP_ctoz((COMPLEX *) in_real, 2, &A, 1, half); + + + //calc fft + vDSP_fft_zrip(setupReal, &A, 1, log2n, FFT_FORWARD); + + //scale by 2 (see vDSP docs) + static float scale=0.5 ; + vDSP_vsmul(A.realp, 1, &scale, A.realp, 1, half); + vDSP_vsmul(A.imagp, 1, &scale, A.imagp, 1, half); + + //back to split complex format + vDSP_ztoc(&A, 1, (COMPLEX*) out_real, 2, half); + + //convert to polar + vDSP_polar(out_real, 2, polar, 2, half); + + for (i = 0; i < half; i++) { + magnitude[i]=polar[2*i]+1.0; + phase[i]=polar[2*i + 1]; + } + + + +} + +void fft::convToDB_vdsp(float *in, float *out) { + float ref = 1.0; + vDSP_vdbcon(in, 1, &ref, out, 1, half, 1); + //get rid of any -infs + float vmin=0.0; + float vmax=9999999.0; + vDSP_vclip(out, 1, &vmin, &vmax, out, 1, half); +} + +#endif + +void fft::inversePowerSpectrum(int start, float *finalOut, float *window, float *magnitude,float *phase) { + int i; + + /* get real and imag part */ + for (i = 0; i < half; i++) { +// float mag = pow(10.0, magnitude[i] / 20.0) - 1.0; +// in_real[i] = mag *cos(phase[i]); +// in_img[i] = mag *sin(phase[i]); + in_real[i] = magnitude[i] *cos(phase[i]); + in_img[i] = magnitude[i] *sin(phase[i]); + } + + /* zero negative frequencies */ + memset(in_real+half, half, 0.0); + memset(in_img+half, half, 0.0); + + FFT(n, 1, in_real, in_img, out_real, out_img); // second parameter indicates inverse transform + + for (i = 0; i < n; i++) { + finalOut[start + i] += out_real[i] * window[i] + ; + } + +} + + +#ifdef __APPLE_CC__ +void fft::inversePowerSpectrum_vdsp(int start, float *finalOut, float *window, float *magnitude,float *phase) { + uint32_t i; + + for (i = 0; i < half; i++) { +// polar[2*i] = pow(10.0, magnitude[i] / 20.0) - 1.0; + polar[2*i] = magnitude[i] - 1.0; + polar[2*i + 1] = phase[i]; + } + + vDSP_rect(polar, 2, in_real, 2, half); + + vDSP_ctoz((COMPLEX*) in_real, 2, &A, 1, half); + vDSP_fft_zrip(setupReal, &A, 1, log2n, FFT_INVERSE); + vDSP_ztoc(&A, 1, (COMPLEX*) out_real, 2, half); + + static float scale = 1./n; + vDSP_vsmul(out_real, 1, &scale, out_real, 1, n); + + //multiply by window + vDSP_vmul(out_real, 1, window, 1, finalOut, 1, n); + +} + +#endif diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/fft.h b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/fft.h new file mode 100644 index 0000000..f7e1947 --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/fft.h @@ -0,0 +1,80 @@ +/* + * maximilian + * platform independent synthesis library using portaudio or rtaudio + * + * Created by Mick Grierson on 29/12/2009. + * Copyright 2009 Mick Grierson & Strangeloop Limited. All rights reserved. + * Thanks to the Goldsmiths Creative Computing Team. + * Special thanks to Arturo Castro for the PortAudio implementation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef _FFT +#define _FFT + +#ifndef M_PI +#define M_PI 3.14159265358979323846 /* pi */ +#endif + +#ifdef __APPLE_CC__ + #include <Accelerate/Accelerate.h> + #warning Please link against the Accelerate framework +#endif + + + +class fft { + +public: + + fft(int fftSize); + ~fft(); + + int n; //fftSize + int half; //halfFFTSize + + float *in_real, *out_real, *in_img, *out_img; + +#ifdef __APPLE_CC__ + int log2n; //log2(n); + FFTSetup setupReal; + COMPLEX_SPLIT A; + float *polar; + void powerSpectrum_vdsp(int start, float *data, float *window, float *magnitude,float *phase); + void inversePowerSpectrum_vdsp(int start, float *finalOut, float *window, float *magnitude,float *phase); + void convToDB_vdsp(float *in, float *out); +#endif; + + /* Calculate the power spectrum */ + void powerSpectrum(int start, float *data, float *window, float *magnitude, float *phase); + /* ... the inverse */ + void inversePowerSpectrum(int start, float *finalOut, float *window, float *magnitude,float *phase); + void convToDB(float *in, float *out); + + static void genWindow(int whichFunction, int NumSamples, float *window); + +}; + + +#endif diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maxiFFT.cpp b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maxiFFT.cpp new file mode 100644 index 0000000..36034b2 --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maxiFFT.cpp @@ -0,0 +1,290 @@ +/* + * maximilian + * platform independent synthesis library using portaudio or rtaudio + * + * Created by Mick Grierson on 29/12/2009. + * Copyright 2009 Mick Grierson & Strangeloop Limited. All rights reserved. + * Thanks to the Goldsmiths Creative Computing Team. + * Special thanks to Arturo Castro for the PortAudio implementation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "maxiFFT.h" +#include "maximilian.h" +#include <iostream> +#include "math.h" + +using namespace std; + + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//F F T +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +void maxiFFT::setup(int _fftSize, int _windowSize, int _hopSize) { + _fft = new fft(_fftSize); + fftSize = _fftSize; + windowSize = _windowSize; + bins = fftSize / 2; + hopSize = _hopSize; + buffer = (float *) malloc(fftSize * sizeof(float)); + magnitudes = (float *) malloc(bins * sizeof(float)); + magnitudesDB = (float *) malloc(bins * sizeof(float)); + phases = (float *) malloc(bins * sizeof(float)); + avgPower = new float; + memset(buffer, 0, fftSize * sizeof(float)); + memset(magnitudes, 0, bins * sizeof(float)); + memset(magnitudesDB, 0, bins * sizeof(float)); + memset(phases, 0, bins * sizeof(float)); + *avgPower = 0; + pos =windowSize - hopSize; + newFFT = 0; + window = (float*) malloc(fftSize * sizeof(float)); + memset(window, 0, fftSize * sizeof(float)); + fft::genWindow(3, windowSize, window); +} + +bool maxiFFT::process(float value) { + //add value to buffer at current pos + buffer[pos++] = value; + //if buffer full, run fft + newFFT = pos == windowSize; + if (newFFT) { +#if defined(__APPLE_CC__) && !defined(_NO_VDSP) + _fft->powerSpectrum_vdsp(0, buffer, window, magnitudes, phases); +#else + _fft->powerSpectrum(0, buffer, window, magnitudes, phases); +#endif + //shift buffer back by one hop size + memcpy(buffer, buffer + hopSize, (windowSize - hopSize) * sizeof(float)); + //set the new data to zero (is this necessary?, it will get overwritten) + memset(buffer + windowSize - hopSize, 0, hopSize * sizeof(float)); + //reset pos to start of hop + pos= windowSize - hopSize; + } + return newFFT; +} + +float* maxiFFT::magsToDB() { +#if defined(__APPLE_CC__) && !defined(_NO_VDSP) + _fft->convToDB_vdsp(magnitudes, magnitudesDB); +#else + _fft->convToDB(magnitudes, magnitudesDB); +#endif + return magnitudesDB; +} + +float maxiFFT::spectralFlatness() { + float geometricMean=0, arithmaticMean=0; + for(int i=0; i < bins; i++) { + if (magnitudes[i] != 0) + geometricMean += log(magnitudes[i]); + arithmaticMean += magnitudes[i]; + } + geometricMean = exp(geometricMean / (float)bins); + arithmaticMean /= (float)bins; + return arithmaticMean !=0 ? geometricMean / arithmaticMean : 0; +} + +float maxiFFT::spectralCentroid() { + float x=0, y=0; + for(int i=0; i < bins; i++) { + x += fabs(magnitudes[i]) * (i+1); + y += fabs(magnitudes[i]); + } + return y != 0 ? x / y * ((float) maxiSettings::sampleRate / fftSize) : 0; +} + + + +maxiFFT::~maxiFFT() { + delete _fft; + if (buffer) + delete[] buffer,magnitudes,phases,window, avgPower; +} + + + + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//I N V E R S E F F T +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +void maxiIFFT::setup(int _fftSize, int _windowSize, int _hopSize) { + _fft = new fft(_fftSize); + fftSize = _fftSize; + windowSize = _windowSize; + bins = fftSize / 2; + hopSize = _hopSize; + buffer = (float *) malloc(fftSize * sizeof(float)); + ifftOut = (float *) malloc(fftSize * sizeof(float)); + memset(buffer, 0, windowSize * sizeof(float)); + pos =0; + window = (float*) malloc(fftSize * sizeof(float)); + memset(window, 0, fftSize * sizeof(float)); + fft::genWindow(3, windowSize, window); +} + +float maxiIFFT::process(float *magnitudes, float *phases) { + if (0==pos) { + //do ifft + memset(ifftOut, 0, fftSize * sizeof(float)); +#if defined(__APPLE_CC__) && !defined(_NO_VDSP) + _fft->inversePowerSpectrum_vdsp(0, ifftOut, window, magnitudes, phases); +#else + _fft->inversePowerSpectrum(0, ifftOut, window, magnitudes, phases); +#endif + //add to output + //shift back by one hop + memcpy(buffer, buffer+hopSize, (fftSize - hopSize) * sizeof(float)); + //clear the end chunk + memset(buffer + (fftSize - hopSize), 0, hopSize * sizeof(float)); + //merge new output + for(int i=0; i < fftSize; i++) { + buffer[i] += ifftOut[i]; + } + } + + nextValue = buffer[pos]; + //limit the values, this alg seems to spike occasionally (and break the audio drivers) + if (nextValue > 0.99999f) nextValue = 0.99999f; + if (nextValue < -0.99999f) nextValue = -0.99999f; + if (hopSize == ++pos ) { + pos=0; + } + + return nextValue; +} + +maxiIFFT::~maxiIFFT() { + delete _fft; + delete[] ifftOut, buffer, window; +}; + + + + + + + +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//O C T A V E A N A L Y S E R +////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + + + +void maxiFFTOctaveAnalyzer::setup(float samplingRate, int nBandsInTheFFT, int nAveragesPerOctave){ + + samplingRate = samplingRate; + nSpectrum = nBandsInTheFFT; + spectrumFrequencySpan = (samplingRate / 2.0f) / (float)(nSpectrum); + nAverages = nBandsInTheFFT; + // fe: 2f for octave bands, sqrt(2) for half-octave bands, cuberoot(2) for third-octave bands, etc + if (nAveragesPerOctave==0) // um, wtf? + nAveragesPerOctave = 1; + nAveragesPerOctave = nAveragesPerOctave; + averageFrequencyIncrement = pow(2.0f, 1.0f/(float)(nAveragesPerOctave)); + // this isn't currently configurable (used once here then no effect), but here's some reasoning: + // 43 is a good value if you want to approximate "computer" octaves: 44100/2/2/2/2/2/2/2/2/2/2 + // 55 is a good value if you'd rather approximate A-440 octaves: 440/2/2/2 + // 65 is a good value if you'd rather approximate "middle-C" octaves: ~262/2/2 + // you could easily double it if you felt the lowest band was just rumble noise (as it probably is) + // but don't go much smaller unless you have a huge fft window size (see below for more why) + // keep in mind, if you change it, that the number of actual bands may change +/-1, and + // for some values, the last averaging band may not be very useful (may extend above nyquist) + firstOctaveFrequency = 55.0f; + // for each spectrum[] bin, calculate the mapping into the appropriate average[] bin. + // this gives us roughly log-sized averaging bins, subject to how "fine" the spectrum bins are. + // with more spectrum bins, you can better map into the averaging bins (especially at low + // frequencies) or use more averaging bins per octave. with an fft window size of 2048, + // sampling rate of 44100, and first octave around 55, that's about enough to do half-octave + // analysis. if you don't have enough spectrum bins to map adequately into averaging bins + // at the requested number per octave then you'll end up with "empty" averaging bins, where + // there is no spectrum available to map into it. (so... if you have "nonreactive" averages, + // either increase fft buffer size, or decrease number of averages per octave, etc) + spe2avg = new int[nSpectrum]; + int avgidx = 0; + float averageFreq = firstOctaveFrequency; // the "top" of the first averaging bin + // we're looking for the "top" of the first spectrum bin, and i'm just sort of + // guessing that this is where it is (or possibly spectrumFrequencySpan/2?) + // ... either way it's probably close enough for these purposes + float spectrumFreq = spectrumFrequencySpan; + for (int speidx=0; speidx < nSpectrum; speidx++) { + while (spectrumFreq > averageFreq) { + avgidx++; + averageFreq *= averageFrequencyIncrement; + } + spe2avg[speidx] = avgidx; + spectrumFreq += spectrumFrequencySpan; + } + nAverages = avgidx; + averages = new float[nAverages]; + peaks = new float[nAverages]; + peakHoldTimes = new int[nAverages]; + peakHoldTime = 0; // arbitrary + peakDecayRate = 0.9f; // arbitrary + linearEQIntercept = 1.0f; // unity -- no eq by default + linearEQSlope = 0.0f; // unity -- no eq by default +} + +void maxiFFTOctaveAnalyzer::calculate(float * fftData){ + + int last_avgidx = 0; // tracks when we've crossed into a new averaging bin, so store current average + float sum = 0.0f; // running total of spectrum data + int count = 0; // count of spectrums accumulated (for averaging) + for (int speidx=0; speidx < nSpectrum; speidx++) { + count++; + sum += fftData[speidx] * (linearEQIntercept + (float)(speidx) * linearEQSlope); + int avgidx = spe2avg[speidx]; + if (avgidx != last_avgidx) { + + for (int j = last_avgidx; j < avgidx; j++){ + averages[j] = sum / (float)(count); + } + count = 0; + sum = 0.0f; + } + last_avgidx = avgidx; + } + // the last average was probably not calculated... + if ((count > 0) && (last_avgidx < nAverages)){ + averages[last_avgidx] = sum / (float)(count); + } + + // update the peaks separately + for (int i=0; i < nAverages; i++) { + if (averages[i] >= peaks[i]) { + // save new peak level, also reset the hold timer + peaks[i] = averages[i]; + peakHoldTimes[i] = peakHoldTime; + } else { + // current average does not exceed peak, so hold or decay the peak + if (peakHoldTimes[i] > 0) { + peakHoldTimes[i]--; + } else { + peaks[i] *= peakDecayRate; + } + } + } +} diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maxiFFT.h b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maxiFFT.h new file mode 100644 index 0000000..d099e84 --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maxiFFT.h @@ -0,0 +1,128 @@ +/* + * maximilian + * platform independent synthesis library using portaudio or rtaudio + * + * Created by Mick Grierson on 29/12/2009. + * Copyright 2009 Mick Grierson & Strangeloop Limited. All rights reserved. + * Thanks to the Goldsmiths Creative Computing Team. + * Special thanks to Arturo Castro for the PortAudio implementation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef _MAXI_FFT +#define _MAXI_FFT + +//#define _NO_VDSP //set this if you don't want to use apple's vDSP fft functions + + +#include "fft.h" +#include "stddef.h" + +class maxiFFT { + +public: + maxiFFT(){ + _fft = NULL; + buffer = magnitudes = phases = window = avgPower = NULL; + }; + ~maxiFFT(); + void setup(int fftSize, int windowSize, int hopSize); + bool process(float value); + float* magsToDB(); + float *magnitudes, *phases, *magnitudesDB; + float *avgPower; + int windowSize; + int hopSize; + int bins; + + //features + float spectralFlatness(); + float spectralCentroid(); + +private: + float *buffer, *window; + int pos; + float nextValue; + int fftSize; + fft *_fft; + bool newFFT; + +}; + +class maxiIFFT { + +public: + maxiIFFT(){ + _fft=0; + }; + ~maxiIFFT(); + void setup(int fftSize, int windowSize, int hopSize); + float process(float *magnitudes, float *phases); + +private: + float *ifftOut, *buffer, *window; + int windowSize; + int bins; + int hopSize; + int pos; + float nextValue; + int fftSize; + fft *_fft; +}; + + +class maxiFFTOctaveAnalyzer { +/*based on code by David Bollinger, http://www.davebollinger.com/ + */ +public: + + float samplingRate; // sampling rate in Hz (needed to calculate frequency spans) + int nSpectrum; // number of spectrum bins in the fft + int nAverages; // number of averaging bins here + int nAveragesPerOctave; // number of averages per octave as requested by user + float spectrumFrequencySpan; // the "width" of an fft spectrum bin in Hz + float firstOctaveFrequency; // the "top" of the first averaging bin here in Hz + float averageFrequencyIncrement; // the root-of-two multiplier between averaging bin frequencies + float * averages; // the actual averages + float * peaks; // peaks of the averages, aka "maxAverages" in other implementations + int * peakHoldTimes; // how long to hold THIS peak meter? decay if == 0 + int peakHoldTime; // how long do we hold peaks? (in fft frames) + float peakDecayRate; // how quickly the peaks decay: 0f=instantly .. 1f=not at all + int * spe2avg; // the mapping between spectrum[] indices and averages[] indices + // the fft's log equalizer() is no longer of any use (it would be nonsense to log scale + // the spectrum values into log-sized average bins) so here's a quick-and-dirty linear + // equalizer instead: + float linearEQSlope; // the rate of linear eq + float linearEQIntercept; // the base linear scaling used at the first averaging bin + // the formula is: spectrum[i] * (linearEQIntercept + i * linearEQSlope) + // so.. note that clever use of it can also provide a "gain" control of sorts + // (fe: set intercept to 2f and slope to 0f to double gain) + + void setup(float samplingRate, int nBandsInTheFFT, int nAveragesPerOctave); + + void calculate(float * fftData); + +}; + +#endif
\ No newline at end of file diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maxiGrains.cpp b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maxiGrains.cpp new file mode 100644 index 0000000..951f3b5 --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maxiGrains.cpp @@ -0,0 +1,6 @@ +#include "maxiGrains.h" + + + + + diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maxiGrains.h b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maxiGrains.h new file mode 100644 index 0000000..d17ffc9 --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maxiGrains.h @@ -0,0 +1,443 @@ + + +#ifndef _MAXI_GRAINS_H +#define _MAXI_GRAINS_H +#include "maximilian.h" + +#if defined(__APPLE_CC__) +#include "accelerate/accelerate.h"; +//Mac users can uncommment the line below to use Apple's accelerate framework for calculating grains. This gives ~300% speed improvement and better sound quality, but doesn't work well on all machines. +//#define MAXIGRAINFAST +#endif + +#define PI 3.1415926535897932384626433832795028841968 + +#include <list> + +typedef unsigned long ulong; + +//window functions from http://en.wikipedia.org/wiki/Window_function#High-_and_moderate-resolution_windows + +struct hannWinFunctor { + inline double operator()(ulong windowLength, ulong windowPos) { + return 0.5 * (1.0 - cos((2.0 * PI * windowPos) / (windowLength - 1))); + } +}; + +//this window can produce clicks +struct hammingWinFunctor { + inline double operator()(ulong windowLength, ulong windowPos) { + return 0.54 - (0.46 * cos((2.0 * PI * windowPos) / (windowLength - 1))); + } +}; + + +struct cosineWinFunctor { + inline double operator()(ulong windowLength, ulong windowPos) { + return sin((PI * windowPos) / (windowLength - 1)); + } +}; + +struct rectWinFunctor { + inline double operator()(ulong windowLength, ulong windowPos) { + return 1; + } +}; + +struct triangleWinFunctor { + inline double operator()(ulong windowLength, ulong windowPos) { + return (2.0 / (windowLength-1.0)) * (((windowLength-1.0)/2.0) - fabs(windowPos - ((windowLength-1.0)/2.0))); + } +}; + +struct triangleNZWinFunctor { + //non zero end points + inline double operator()(ulong windowLength, ulong windowPos) { + return (2.0 / windowLength) * ((windowLength/2.0) - fabs(windowPos - ((windowLength-1.0)/2.0))); + } +}; + +struct blackmanHarrisWinFunctor { + inline double operator()(ulong windowLength, ulong windowPos) { + return 0.35875 - + (0.48829 * cos((2 * PI * windowPos) / (windowLength-1))) + + (0.14128 * cos((4 * PI * windowPos) / (windowLength-1))) + + (0.01168 * cos((6 * PI * windowPos) / (windowLength-1))); + } +}; + +struct blackmanNutallWinFunctor { + inline double operator()(ulong windowLength, ulong windowPos) { + return 0.3635819 - + (0.4891775 * cos((2 * PI * windowPos) / (windowLength-1))) + + (0.1365995 * cos((4 * PI * windowPos) / (windowLength-1))) + + (0.0106411 * cos((6 * PI * windowPos) / (windowLength-1))); + } +}; + +template<typename F> +class maxiGrainWindowCache { +public: + unsigned int cacheSize; + + maxiGrainWindowCache() { + cacheSize = maxiSettings::sampleRate / 2.0; //allocate mem for up to 500ms grains + cache = (double**)malloc(cacheSize * sizeof(double*)); + for(int i=0; i < cacheSize; i++) { + cache[i] = NULL; + } + } + + ~maxiGrainWindowCache() { + for(int i=0; i < cacheSize; i++) { + if(NULL != cache[i]) { + delete[] cache[i]; + } + } + } + + double* getWindow(const unsigned int length) { + if (NULL == cache[length]) { + cache[length] = (double*)malloc(length * sizeof(double)); + for(int i=0; i < length; i++) { + cache[length][i] = F()(length, i); + } + } + return cache[length]; + } + +private: + double** cache; + +}; + +class maxiGrainBase { +public: + virtual double play() = 0; + bool finished; +}; + +template<typename F> +class maxiGrain : public maxiGrainBase { +public: + maxiSample *sample; + double pos; + double dur; + ulong sampleStartPos; + ulong sampleIdx; + ulong sampleDur; + ulong sampleEndPos; + double freq; + double speed; + // F winFunc; + double inc; + double frequency; + double* window; +#if defined(__APPLE_CC__) && defined(MAXIGRAINFAST) + double* grainSamples; +#endif + /* + position between 0.0 and 1.0 + duration in seconds + */ + maxiGrain(maxiSample *sample, const double position, const double duration, const double speed, maxiGrainWindowCache<F> *windowCache) :sample(sample), pos(position), dur(duration), speed(speed) + { + sampleStartPos = sample->length * pos; + sampleDur = dur * (double)sample->mySampleRate; + sampleDurMinusOne = sampleDur - 1; + sampleIdx = 0; + finished = 0; + freq = 1.0 / dur; + sampleEndPos = sampleStartPos + sampleDur; + frequency = freq * speed; + if (frequency > 0) { + pos = sampleStartPos; + }else{ + pos = sampleEndPos; + } + inc = sampleDur/(maxiSettings::sampleRate/frequency); + window = windowCache->getWindow(sampleDur); + +#if defined(__APPLE_CC__) && defined(MAXIGRAINFAST) + //premake the grain using fast vector functions, and quadratic interpolation + double *sourceData = (double*)malloc(sampleDur * sizeof(double)); + short* buffer = (short *)sample->myData; + //convert sample to double data + vDSP_vflt16D(buffer + sampleStartPos, 1, sourceData, 1, min(sampleDur, sample->length - sampleStartPos)); + //todo: wraping code + + grainSamples = (double*)malloc(sampleDur * sizeof(double)); + //make list of interpolation indexes + double* interpIndexes = (double*)malloc(sampleDur * sizeof(double)); + double interpPos = sampleStartPos; + for(int i=0; i < sampleDur; i++) { + interpIndexes[i] = interpPos - sampleStartPos; + interpPos += fabs(inc); + } + vDSP_vqintD(sourceData, interpIndexes, 1, grainSamples, 1, sampleDur, sampleDur); + if (frequency < 0) { + vDSP_vrvrsD(grainSamples,1, sampleDur); + } + static double divFactor = 32767.0; + vDSP_vsdivD(grainSamples, 1, &divFactor, grainSamples, 1, sampleDur); + vDSP_vmulD(grainSamples, 1, window, 1, grainSamples, 1, sampleDur); + delete sourceData, interpIndexes; +#endif + } + + ~maxiGrain() { +#if defined(__APPLE_CC__) && defined(MAXIGRAINFAST) + delete[] grainSamples; +#endif + } + + double play() { + double output = 0.0; + if (!finished) { +#if defined(__APPLE_CC__) && defined(MAXIGRAINFAST) + output = grainSamples[sampleIdx]; +#else + envValue = window[sampleIdx]; + double remainder; + long a,b; + short* buffer = (short *)sample->myData; + if (frequency >0.) { + pos += inc; + long posl = static_cast<long>(pos); + remainder = pos - posl; + a=posl++; + if (a>=sample->length) { + a=posl-1; + } + b = posl+2; + if (b>=sample->length) { + b=sample->length-1; + } + output = (double) ((1-remainder) * buffer[a] + + remainder * buffer[b])/32767;//linear interpolation + } else { + frequency=frequency-(frequency+frequency); + pos += inc; + long posl = static_cast<long>(pos); + remainder = pos - posl; + if (posl-1>=0) { + a=posl-1; + } + else { + a=0; + } + if (posl-2>=0) { + b=posl-2; + } + else { + b=0; + } + output = (double) ((-1-remainder) * buffer[a] + + remainder * buffer[b])/32767;//linear interpolation + } + output *= envValue; +#endif + } + sampleIdx++; + if (sampleIdx >= sampleDur) finished = 1; + return output; + } + +private: + maxiGrain(); + double envValue; + ulong sampleDurMinusOne; +}; + + +typedef list<maxiGrainBase*> grainList; + +class maxiGrainPlayer { +public: + grainList grains; + maxiSample *sample; + + maxiGrainPlayer(maxiSample *sample) : sample(sample) { + } + + void addGrain(maxiGrainBase *g) { + grains.push_back(g); + } + + double play() { + double total = 0.0; + for(grainList::iterator it = grains.begin(); it != grains.end(); ++it) { + total += (*it)->play(); + if ((*it)->finished) { + delete(*it); + grains.erase(it); + } + } + return total; + } +}; + +template<typename F> +class maxiTimestretch { +public: + double position; + long cycles; + maxiSample *sample; + maxiGrainPlayer *grainPlayer; + maxiGrainWindowCache<F> windowCache; + double randomOffset; + + maxiTimestretch(maxiSample *sample) : sample(sample) { + position=0; + cycles=0; + grainPlayer = new maxiGrainPlayer(sample); + randomOffset=0; + } + + ~maxiTimestretch() { + delete grainPlayer; + } + + double play(double speed, double grainLength, int overlaps, double posMod=0.0) { + position = position + (1 * speed); + cycles++; + if (position > sample->length) position=0; + if (position < 0) position = sample->length; + double cycleLength = grainLength * maxiSettings::sampleRate / overlaps; + double cycleMod = fmod(cycles, cycleLength + randomOffset); + if (0 == floor(cycleMod)) { + // cout << cycleMod << endl; + speed = (speed > 0 ? 1 : -1); + // speed = speed - ((cycleMod / cycleLength) * 0.1); + maxiGrain<F> *g = new maxiGrain<F>(sample, max(min(1.0,(position / sample->length) + posMod),0.0), grainLength, speed, &windowCache); + grainPlayer->addGrain(g); + // cout << grainPlayer->grains.size() << endl; + // randomOffset = rand() % 10; + // randomOffset = rand() % 10; + } + return grainPlayer->play(); + } + + double play2(double pos, double grainLength, int overlaps) { + cycles++; + pos *= sample->length; + if (0 == floor(fmod(cycles, grainLength * maxiSettings::sampleRate / overlaps))) { + maxiGrain<F> *g = new maxiGrain<F>(sample, max(min(1.0,(pos / sample->length)),0.0), grainLength, 1, &windowCache); + grainPlayer->addGrain(g); + } + return grainPlayer->play(); + } +}; + +//in maxiTimeStretch, the speed is either 1 or -1, and the actual speed value only affects the grain position +//in maxiPitchShift, speed is uncoupled from position and allowed to set it's value incrementally, resulting in pitchshift. +//with both high speed values and negative speed values there are some terrific artefacts! + +template<typename F> +class maxiPitchShift { +public: + double position; + long cycles; + maxiSample *sample; + maxiGrainPlayer *grainPlayer; + maxiGrainWindowCache<F> windowCache; + double randomOffset; + + maxiPitchShift(maxiSample *sample) : sample(sample) { + position=0; + cycles=0; + grainPlayer = new maxiGrainPlayer(sample); + randomOffset=0; + } + + ~maxiPitchShift() { + delete grainPlayer; + } + + double play(double speed, double grainLength, int overlaps, double posMod=0.0) { + position = position + 1; + cycles++; + if (position > sample->length) position=0; + if (position < 0) position = sample->length; + double cycleLength = grainLength * maxiSettings::sampleRate / overlaps; + double cycleMod = fmod(cycles, cycleLength + randomOffset); + if (0 == floor(cycleMod)) { + // cout << cycleMod << endl; + //speed = (speed > 0 ? 1 : -1); + speed = speed - ((cycleMod / cycleLength) * 0.1); + maxiGrain<F> *g = new maxiGrain<F>(sample, max(min(1.0,(position / sample->length) + posMod),0.0), grainLength, speed, &windowCache); + grainPlayer->addGrain(g); + // cout << grainPlayer->grains.size() << endl; + // randomOffset = rand() % 10; + // randomOffset = rand() % 10; + } + return grainPlayer->play(); + } + + double play2(double pos, double grainLength, int overlaps) { + cycles++; + pos *= sample->length; + if (0 == floor(fmod(cycles, grainLength * maxiSettings::sampleRate / overlaps))) { + maxiGrain<F> *g = new maxiGrain<F>(sample, max(min(1.0,(pos / sample->length)),0.0), grainLength, 1, &windowCache); + grainPlayer->addGrain(g); + } + return grainPlayer->play(); + } +}; + +//and here's maxiPitchStretch. Args to the play function are basically speed for 'pitch' and rate for playback rate. +//the rest is the same. + +template<typename F> +class maxiPitchStretch { +public: + double position; + long cycles; + maxiSample *sample; + maxiGrainPlayer *grainPlayer; + maxiGrainWindowCache<F> windowCache; + double randomOffset; + + maxiPitchStretch(maxiSample *sample) : sample(sample) { + position=0; + cycles=0; + grainPlayer = new maxiGrainPlayer(sample); + randomOffset=0; + } + + ~maxiPitchStretch() { + delete grainPlayer; + } + + double play(double speed, double rate, double grainLength, int overlaps, double posMod=0.0) { + position = position + (1 * rate); + cycles++; + if (position > sample->length) position=0; + if (position < 0) position = sample->length; + double cycleLength = grainLength * maxiSettings::sampleRate / overlaps; + double cycleMod = fmod(cycles, cycleLength + randomOffset); + if (0 == floor(cycleMod)) { + // cout << cycleMod << endl; + //speed = (speed > 0 ? 1 : -1); + speed = speed - ((cycleMod / cycleLength) * 0.1); + maxiGrain<F> *g = new maxiGrain<F>(sample, max(min(1.0,(position / sample->length) + posMod),0.0), grainLength, speed, &windowCache); + grainPlayer->addGrain(g); + // cout << grainPlayer->grains.size() << endl; + // randomOffset = rand() % 10; + // randomOffset = rand() % 10; + } + return grainPlayer->play(); + } + + double play2(double pos, double grainLength, int overlaps) { + cycles++; + pos *= sample->length; + if (0 == floor(fmod(cycles, grainLength * maxiSettings::sampleRate / overlaps))) { + maxiGrain<F> *g = new maxiGrain<F>(sample, max(min(1.0,(pos / sample->length)),0.0), grainLength, 1, &windowCache); + grainPlayer->addGrain(g); + } + return grainPlayer->play(); + } +}; + +#endif
\ No newline at end of file diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maxiMFCC.cpp b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maxiMFCC.cpp new file mode 100644 index 0000000..e72fd75 --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maxiMFCC.cpp @@ -0,0 +1,78 @@ +/* + * maxiMFCC.cpp + * mfccs + * + * Created by Chris on 08/03/2011. + * Copyright 2011 Goldsmiths Creative Computing. All rights reserved. + * + */ + +#include "maxiMFCC.h" + + + +template <> +void maxiMFCCAnalyser<double>::dct(double *mfccs) { + vDSP_mmulD(melBands, 1, dctMatrix, 1, mfccs, 1, 1, numCoeffs, numFilters); + double n = (double) numCoeffs; + vDSP_vsdivD(mfccs, 1, &n, mfccs, 1, numCoeffs); +} + +template <> +void maxiMFCCAnalyser<float>::dct(float *mfccs) { + vDSP_mmul(melBands, 1, dctMatrix, 1, mfccs, 1, 1, numCoeffs, numFilters); + float n = (float) numCoeffs; + vDSP_vsdiv(mfccs, 1, &n, mfccs, 1, numCoeffs); +} + +template <> +void maxiMFCCAnalyser<double>::melFilterAndLogSquare(float* powerSpectrum) { +#ifdef __APPLE_CC__ + //conv to double + vDSP_vspdp(powerSpectrum, 1, doubleSpec, 1, numBins); + // vDSP_mmulD(doubleSpec, 1, melFilters, 1, melBands, 1, 1, 42, 512); + vDSP_mmulD(doubleSpec, 1, melFilters, 1, melBands, 1, 1, numFilters, numBins); +#endif + melFilterAndLogSq_Part2(); +} + + +template <> +void maxiMFCCAnalyser<float>::melFilterAndLogSquare(float* powerSpectrum) { +#ifdef __APPLE_CC__ + vDSP_mmul(powerSpectrum, 1, melFilters, 1, melBands, 1, 1, numFilters, numBins); +#endif + melFilterAndLogSq_Part2(); +} + +template <class T> +void maxiMFCCAnalyser<T>::melFilterAndLogSq_Part2() { +#ifdef __APPLE_CC__ +#else + for (int filter = 0;filter < numFilters;filter++) { + melBands[filter] = 0.0; + for (int bin=0;bin<numBins;bin++) { + // int idx = (numBins * filter) + bin; + int idx = filter + (bin * numFilters); + // melBands[filter] += (melFilters[filter][bin] * powerSpectrum[bin]); + melBands[filter] += (melFilters[idx] * powerSpectrum[bin]); + } + } +#endif + for(int filter=0; filter < numFilters; filter++) { + // log the square + melBands[filter] = melBands[filter] > 0.000001 ? log(melBands[filter] * melBands[filter]) : 0.0; + } +} + + + + + + + + + + + + diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maxiMFCC.h b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maxiMFCC.h new file mode 100644 index 0000000..60bfe04 --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maxiMFCC.h @@ -0,0 +1,204 @@ +/* + * maxiMFCC.h + * mfccs + * + * Created by Chris on 08/03/2011. + * Copyright 2011 Goldsmiths Creative Computing. All rights reserved. + * + + Based on Matthew Yee-King's MFCCMYK java class + */ + +#pragma once +#pragma pack(16) + +#include "maxiFFT.h" +#include <math.h> +#include <iostream> +#ifdef __APPLE_CC__ +#include <Accelerate/Accelerate.h> +#endif + +using namespace std; + + +// implements this formula: +// mel = 2595 log10(Hz/700 + 1) +inline double hzToMel(double hz){ + return 2595.0 * (log10(hz/700.0 + 1.0)); +} + +// implements this formula +// Hz = 700 (10^(mel/2595) - 1) +inline double melToHz(double mel){ + return 700.0 * (pow(10, mel/2595.0) - 1.0); +} + +template <class T> +class maxiMFCCAnalyser { +public: + T *melBands; + maxiMFCCAnalyser():melFilters(NULL),dctMatrix(NULL), melBands(NULL){}; + ~maxiMFCCAnalyser() { + if (melFilters) { + delete[] melFilters; + delete[] melBands; + delete[] dctMatrix; +#ifdef __APPLE_CC__ + delete doubleSpec; +#endif + } + } + + void setup(unsigned int numBins, unsigned int numFilters, unsigned int numCoeffs, double minFreq, double maxFreq, unsigned int sampleRate) + { + this->numFilters = numFilters; + this->numCoeffs = numCoeffs; + this->minFreq = minFreq; + this->maxFreq = maxFreq; + this->sampleRate = sampleRate; + this->numBins = numBins; + melFilters = NULL; + melBands = (T*) malloc(sizeof(T) * numFilters); +#ifdef __APPLE_CC__ + doubleSpec = (T*)malloc(sizeof(T) * numBins); +#endif + //create new matrix + dctMatrix = (T*)malloc(sizeof(T) * numCoeffs * numFilters); + calcMelFilterBank(sampleRate, numBins); + createDCTCoeffs(); + } + void mfcc(float* powerSpectrum, T *mfccs) { + melFilterAndLogSquare(powerSpectrum); + dct(mfccs); + } + +private: + unsigned int numFilters, numCoeffs; + double minFreq, maxFreq; + unsigned int sampleRate; + T *melFilters; + unsigned int numBins; + T *dctMatrix; +#ifdef __APPLE_CC__ + T *doubleSpec; +#endif + +#ifdef __APPLE_CC__ + void dct(T *mfccs); //define later +#else + void dct(T *mfccs) { + for(int i=0; i < numCoeffs; i++) { + mfccs[i] = 0.0; + } + for(int i=0; i < numCoeffs; i++ ) { + for(int j=0; j < numFilters; j++) { + int idx = i + (j * numCoeffs); + mfccs[i] += (dctMatrix[idx] * melBands[j]); + } + } + for(int i=0; i < numCoeffs; i++) { + mfccs[i] /= numCoeffs; + } + } +#endif + + void melFilterAndLogSquare(float* powerSpectrum); + void melFilterAndLogSq_Part2(); + + + void calcMelFilterBank(double sampleRate, int numBins) { + + double mel, dMel, maxMel, minMel, nyquist, binFreq, start, end, thisF, nextF, prevF; + int numValidBins; + + // ignore bins over nyquist + numValidBins = numBins; + + nyquist = sampleRate/2; + if (maxFreq > nyquist) { + maxFreq = nyquist; + } + + maxMel = hzToMel(maxFreq); + minMel = hzToMel(minFreq); + + dMel = (maxMel - minMel) / (numFilters + 2 - 1); + + T *filtPos = (T*) malloc(sizeof(double) * (numFilters + 2)); + + // first generate an array of start and end freqs for each triangle + mel = minMel; + for (int i=0;i<numFilters + 2;i++) { + // start of the triangle + filtPos[i] = melToHz(mel); + // std::cout << "[" << i << "] MFCC: centre is at " <<filtPos[i]<<"hz "<<mel<<" mels" << endl; + mel += dMel; + } + // now generate the coefficients for the mag spectrum + melFilters = (T*) malloc(sizeof(T) * numFilters * numValidBins); + + for (int filter = 1; filter < numFilters; filter++) { + for (int bin=0;bin<numValidBins;bin++) { + // frequency this bin represents + binFreq = (T) sampleRate / (T) numValidBins * (T) bin; + thisF = filtPos[filter]; + nextF = filtPos[filter+1]; + prevF = filtPos[filter-1]; + int idx = filter + (bin * numFilters); + if (binFreq > nextF || binFreq < prevF) { + // outside this filter + melFilters[idx] = 0; + //cout << "MFCCMYK: filter at " <<thisF << " bin at " <<binFreq <<" coeff " <<melFilters[filter][bin] << endl; + } + else { + T height = 2.0 / (nextF - prevF); + + if (binFreq < thisF) { + // up + start = prevF; + end = thisF; + melFilters[idx] = (binFreq - start) * (height / (thisF - start)); + } + else { + // down + start = thisF; + end = nextF; + melFilters[idx] = height + ((binFreq - thisF) * (-height /(nextF - thisF))); + } + // cout << "MFCCMYK: filter at " <<thisF << " bin at " <<binFreq <<" coeff " <<melFilters[filter][bin] << endl; + //cout << "MFCCMYK: filter at " <<thisF << " bin at " <<binFreq <<" coeff " <<melFilters[idx] << endl; + } + } + } + } + void createDCTCoeffs() { + T k = 3.14159265358979323846/numFilters; + T w1 = 1.0/(sqrt(numFilters)); + T w2 = sqrt(2.0/numFilters); + + + //generate dct matrix + for(int i = 0; i < numCoeffs; i++) + { + for(int j = 0; j < numFilters; j++) + { + int idx = i + (j * numCoeffs); + if(i == 0) + dctMatrix[idx]= w1 * cos(k * (i+1) * (j + 0.5)); + else + dctMatrix[idx] = w2 * cos(k * (i+1) * (j + 0.5)); + } + } + + + } + + + +}; + + + +typedef maxiMFCCAnalyser<double> maxiMFCC; +//typedef maxiMFCCAnalyser<float> maxiFloatMFCC; diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maximilian.cpp b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maximilian.cpp new file mode 100644 index 0000000..63b9a34 --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maximilian.cpp @@ -0,0 +1,1028 @@ + +/* + * maximilian.cpp + * platform independent synthesis library using portaudio or rtaudio + * + * Created by Mick Grierson on 29/12/2009. + * Copyright 2009 Mick Grierson & Strangeloop Limited. All rights reserved. + * Thanks to the Goldsmiths Creative Computing Team. + * Special thanks to Arturo Castro for the PortAudio implementation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "maximilian.h" +#include "math.h" + + +//int channels=2; +//int samplerate=44100; +//int buffersize=1024; +float chandiv= 1; + +int maxiSettings::sampleRate = 44100; +int maxiSettings::channels = 2; +int maxiSettings::bufferSize = 1024; + +double sineBuffer[514]={0,0.012268,0.024536,0.036804,0.049042,0.06131,0.073547,0.085785,0.097992,0.1102,0.12241,0.13455,0.1467,0.15884,0.17093,0.18301,0.19507,0.20709,0.21909,0.23105,0.24295,0.25485,0.26669,0.2785,0.29025,0.30197,0.31366,0.32529,0.33685,0.34839,0.35986,0.37128,0.38266,0.39395,0.40521,0.41641,0.42752,0.4386,0.44958,0.46051,0.47137,0.48215,0.49286,0.50351,0.51407,0.52457,0.53497,0.54529,0.55554,0.5657,0.57578,0.58575,0.59567,0.60547,0.6152,0.62482,0.63437,0.6438,0.65314,0.66238,0.67151,0.68057,0.68951,0.69833,0.70706,0.7157,0.72421,0.7326,0.74091,0.74908,0.75717,0.76514,0.77298,0.7807,0.7883,0.79581,0.80316,0.81042,0.81754,0.82455,0.83142,0.8382,0.84482,0.85132,0.8577,0.86392,0.87006,0.87604,0.88187,0.8876,0.89319,0.89862,0.90396,0.90912,0.91415,0.91907,0.92383,0.92847,0.93295,0.93729,0.9415,0.94556,0.94949,0.95325,0.95691,0.96039,0.96375,0.96692,0.97,0.9729,0.97565,0.97827,0.98074,0.98306,0.98523,0.98724,0.98914,0.99084,0.99243,0.99387,0.99515,0.99628,0.99725,0.99808,0.99875,0.99927,0.99966,0.99988,0.99997,0.99988,0.99966,0.99927,0.99875,0.99808,0.99725,0.99628,0.99515,0.99387,0.99243,0.99084,0.98914,0.98724,0.98523,0.98306,0.98074,0.97827,0.97565,0.9729,0.97,0.96692,0.96375,0.96039,0.95691,0.95325,0.94949,0.94556,0.9415,0.93729,0.93295,0.92847,0.92383,0.91907,0.91415,0.90912,0.90396,0.89862,0.89319,0.8876,0.88187,0.87604,0.87006,0.86392,0.8577,0.85132,0.84482,0.8382,0.83142,0.82455,0.81754,0.81042,0.80316,0.79581,0.7883,0.7807,0.77298,0.76514,0.75717,0.74908,0.74091,0.7326,0.72421,0.7157,0.70706,0.69833,0.68951,0.68057,0.67151,0.66238,0.65314,0.6438,0.63437,0.62482,0.6152,0.60547,0.59567,0.58575,0.57578,0.5657,0.55554,0.54529,0.53497,0.52457,0.51407,0.50351,0.49286,0.48215,0.47137,0.46051,0.44958,0.4386,0.42752,0.41641,0.40521,0.39395,0.38266,0.37128,0.35986,0.34839,0.33685,0.32529,0.31366,0.30197,0.29025,0.2785,0.26669,0.25485,0.24295,0.23105,0.21909,0.20709,0.19507,0.18301,0.17093,0.15884,0.1467,0.13455,0.12241,0.1102,0.097992,0.085785,0.073547,0.06131,0.049042,0.036804,0.024536,0.012268,0,-0.012268,-0.024536,-0.036804,-0.049042,-0.06131,-0.073547,-0.085785,-0.097992,-0.1102,-0.12241,-0.13455,-0.1467,-0.15884,-0.17093,-0.18301,-0.19507,-0.20709,-0.21909,-0.23105,-0.24295,-0.25485,-0.26669,-0.2785,-0.29025,-0.30197,-0.31366,-0.32529,-0.33685,-0.34839,-0.35986,-0.37128,-0.38266,-0.39395,-0.40521,-0.41641,-0.42752,-0.4386,-0.44958,-0.46051,-0.47137,-0.48215,-0.49286,-0.50351,-0.51407,-0.52457,-0.53497,-0.54529,-0.55554,-0.5657,-0.57578,-0.58575,-0.59567,-0.60547,-0.6152,-0.62482,-0.63437,-0.6438,-0.65314,-0.66238,-0.67151,-0.68057,-0.68951,-0.69833,-0.70706,-0.7157,-0.72421,-0.7326,-0.74091,-0.74908,-0.75717,-0.76514,-0.77298,-0.7807,-0.7883,-0.79581,-0.80316,-0.81042,-0.81754,-0.82455,-0.83142,-0.8382,-0.84482,-0.85132,-0.8577,-0.86392,-0.87006,-0.87604,-0.88187,-0.8876,-0.89319,-0.89862,-0.90396,-0.90912,-0.91415,-0.91907,-0.92383,-0.92847,-0.93295,-0.93729,-0.9415,-0.94556,-0.94949,-0.95325,-0.95691,-0.96039,-0.96375,-0.96692,-0.97,-0.9729,-0.97565,-0.97827,-0.98074,-0.98306,-0.98523,-0.98724,-0.98914,-0.99084,-0.99243,-0.99387,-0.99515,-0.99628,-0.99725,-0.99808,-0.99875,-0.99927,-0.99966,-0.99988,-0.99997,-0.99988,-0.99966,-0.99927,-0.99875,-0.99808,-0.99725,-0.99628,-0.99515,-0.99387,-0.99243,-0.99084,-0.98914,-0.98724,-0.98523,-0.98306,-0.98074,-0.97827,-0.97565,-0.9729,-0.97,-0.96692,-0.96375,-0.96039,-0.95691,-0.95325,-0.94949,-0.94556,-0.9415,-0.93729,-0.93295,-0.92847,-0.92383,-0.91907,-0.91415,-0.90912,-0.90396,-0.89862,-0.89319,-0.8876,-0.88187,-0.87604,-0.87006,-0.86392,-0.8577,-0.85132,-0.84482,-0.8382,-0.83142,-0.82455,-0.81754,-0.81042,-0.80316,-0.79581,-0.7883,-0.7807,-0.77298,-0.76514,-0.75717,-0.74908,-0.74091,-0.7326,-0.72421,-0.7157,-0.70706,-0.69833,-0.68951,-0.68057,-0.67151,-0.66238,-0.65314,-0.6438,-0.63437,-0.62482,-0.6152,-0.60547,-0.59567,-0.58575,-0.57578,-0.5657,-0.55554,-0.54529,-0.53497,-0.52457,-0.51407,-0.50351,-0.49286,-0.48215,-0.47137,-0.46051,-0.44958,-0.4386,-0.42752,-0.41641,-0.40521,-0.39395,-0.38266,-0.37128,-0.35986,-0.34839,-0.33685,-0.32529,-0.31366,-0.30197,-0.29025,-0.2785,-0.26669,-0.25485,-0.24295,-0.23105,-0.21909,-0.20709,-0.19507,-0.18301,-0.17093,-0.15884,-0.1467,-0.13455,-0.12241,-0.1102,-0.097992,-0.085785,-0.073547,-0.06131,-0.049042,-0.036804,-0.024536,-0.012268,0,0.012268 +}; + +double mtofarray[129]={0, 8.661957, 9.177024, 9.722718, 10.3, 10.913383, 11.562325, 12.25, 12.978271, 13.75, 14.567617, 15.433853, 16.351599, 17.323914, 18.354048, 19.445436, 20.601723, 21.826765, 23.124651, 24.5, 25.956543, 27.5, 29.135235, 30.867706, 32.703197, 34.647827, 36.708096, 38.890873, 41.203445, 43.65353, 46.249302, 49., 51.913086, 55., 58.27047, 61.735413, 65.406395, 69.295654, 73.416191, 77.781746, 82.406891, 87.30706, 92.498604, 97.998856, 103.826172, 110., 116.540939, 123.470825, 130.81279, 138.591309, 146.832382, 155.563492, 164.813782, 174.61412, 184.997208, 195.997711, 207.652344, 220., 233.081879, 246.94165, 261.62558, 277.182617,293.664764, 311.126984, 329.627563, 349.228241, 369.994415, 391.995422, 415.304688, 440., 466.163757, 493.883301, 523.25116, 554.365234, 587.329529, 622.253967, 659.255127, 698.456482, 739.988831, 783.990845, 830.609375, 880., 932.327515, 987.766602, 1046.502319, 1108.730469, 1174.659058, 1244.507935, 1318.510254, 1396.912964, 1479.977661, 1567.981689, 1661.21875, 1760., 1864.655029, 1975.533203, 2093.004639, 2217.460938, 2349.318115, 2489.015869, 2637.020508, 2793.825928, 2959.955322, 3135.963379, 3322.4375, 3520., 3729.31, 3951.066406, 4186.009277, 4434.921875, 4698.63623, 4978.031738, 5274.041016, 5587.651855, 5919.910645, 6271.926758, 6644.875, 7040., 7458.620117, 7902.132812, 8372.018555, 8869.84375, 9397.272461, 9956.063477, 10548.082031, 11175.303711, 11839.821289, 12543.853516, 13289.75}; + +void setup();//use this to do any initialisation if you want. + +void play(double *channels);//run dac! + +maxiOsc::maxiOsc(){ + phase = 0.0; + // memset(phases,0,500); + // memset(freqs,0,500); +} + +double maxiOsc::noise() { + //always the same unless you seed it. + float r = rand()/(float)RAND_MAX; + output=r*2-1; + return(output); +} + +void maxiOsc::phaseReset(double phaseIn) { + phase=phaseIn; + +} + +double maxiOsc::sinewave(double frequency) { + output=sin (phase*(TWOPI)); + if ( phase >= 1.0 ) phase -= 1.0; + phase += (1./(maxiSettings::sampleRate/(frequency))); + return(output); + +} + +double maxiOsc::sinebuf4(double frequency) { + double remainder; + double a,b,c,d,a1,a2,a3; + phase += 512./(maxiSettings::sampleRate/(frequency)); + if ( phase >= 511 ) phase -=512; + remainder = phase - floor(phase); + + if (phase==0) { + a=sineBuffer[(long) 512]; + b=sineBuffer[(long) phase]; + c=sineBuffer[(long) phase+1]; + d=sineBuffer[(long) phase+2]; + + } else { + a=sineBuffer[(long) phase-1]; + b=sineBuffer[(long) phase]; + c=sineBuffer[(long) phase+1]; + d=sineBuffer[(long) phase+2]; + + } + + a1 = 0.5f * (c - a); + a2 = a - 2.5 * b + 2.f * c - 0.5f * d; + a3 = 0.5f * (d - a) + 1.5f * (b - c); + output = double (((a3 * remainder + a2) * remainder + a1) * remainder + b); + return(output); +} + +double maxiOsc::sinebuf(double frequency) { + double remainder; + phase += 512./(maxiSettings::sampleRate/(frequency*chandiv)); + if ( phase >= 511 ) phase -=512; + remainder = phase - floor(phase); + output = (double) ((1-remainder) * sineBuffer[1+ (long) phase] + remainder * sineBuffer[2+(long) phase]); + return(output); +} + +double maxiOsc::coswave(double frequency) { + output=cos (phase*(TWOPI)); + if ( phase >= 1.0 ) phase -= 1.0; + phase += (1./(maxiSettings::sampleRate/(frequency))); + return(output); + +} + +double maxiOsc::phasor(double frequency) { + output=phase; + if ( phase >= 1.0 ) phase -= 1.0; + phase += (1./(maxiSettings::sampleRate/(frequency))); + return(output); +} + +double maxiOsc::square(double frequency) { + if (phase<0.5) output=-1; + if (phase>0.5) output=1; + if ( phase >= 1.0 ) phase -= 1.0; + phase += (1./(maxiSettings::sampleRate/(frequency))); + return(output); +} + +double maxiOsc::pulse(double frequency, double duty) { + if (duty<0.) duty=0; + if (duty>1.) duty=1; + if ( phase >= 1.0 ) phase -= 1.0; + phase += (1./(maxiSettings::sampleRate/(frequency))); + if (phase<duty) output=-1.; + if (phase>duty) output=1.; + return(output); +} + +double maxiOsc::phasor(double frequency, double startphase, double endphase) { + output=phase; + if (phase<startphase) { + phase=startphase; + } + if ( phase >= endphase ) phase = startphase; + phase += ((endphase-startphase)/(maxiSettings::sampleRate/(frequency))); + return(output); +} + + +double maxiOsc::saw(double frequency) { + + output=phase; + if ( phase >= 1.0 ) phase -= 2.0; + phase += (1./(maxiSettings::sampleRate/(frequency))); + return(output); + +} + +double maxiOsc::triangle(double frequency) { + if ( phase >= 1.0 ) phase -= 1.0; + phase += (1./(maxiSettings::sampleRate/(frequency))); + if (phase <= 0.5 ) { + output =((phase)*4)-1; + } else { + output =((0.5-phase)*4)-1; + } + return(output); + +} + +//I like this. +double maxiEnvelope::line(int numberofsegments,double segments[1000]) { + if (isPlaying==1) {//only make a sound once you've been triggered + + period=2./(segments[valindex+1]*0.004); + nextval=segments[valindex+2]; + currentval=segments[valindex]; + if (currentval-amplitude > 0.0000001 && valindex < numberofsegments) { + amplitude += ((currentval-startval)/(maxiSettings::sampleRate/period)); + } else if (currentval-amplitude < -0.0000001 && valindex < numberofsegments) { + amplitude -= (((currentval-startval)*(-1))/(maxiSettings::sampleRate/period)); + } else if (valindex >numberofsegments-1) { + valindex=numberofsegments-2; + } else { + valindex=valindex+2; + startval=currentval; + } + output=amplitude; + + } + else { + output=0; + + } + return(output); +} + +//and this +void maxiEnvelope::trigger(int index, double amp) { + isPlaying=1;//ok the envelope is being used now. + valindex=index; + amplitude=amp; + +} + +//and this + +maxiDelayline::maxiDelayline() { + memset( memory, 0, 88200*sizeof (double) ); + +} + + +double maxiDelayline::dl(double input, int size, double feedback) { + if ( phase >=size ) { + phase = 0; + } + output=memory[phase]; + memory[phase]=(memory[phase]*feedback)+(input*feedback)*0.5; + phase+=1; + return(output); + +} + +double maxiDelayline::dl(double input, int size, double feedback, int position) { + if ( phase >=size ) phase = 0; + if ( position >=size ) position = 0; + output=memory[position]; + memory[phase]=(memory[phase]*feedback)+(input*feedback)*chandiv; + phase+=1; + return(output); + +} + + +//I particularly like these. cutoff between 0 and 1 +double maxiFilter::lopass(double input, double cutoff) { + output=outputs[0] + cutoff*(input-outputs[0]); + outputs[0]=output; + return(output); +} +//as above +double maxiFilter::hipass(double input, double cutoff) { + output=input-(outputs[0] + cutoff*(input-outputs[0])); + outputs[0]=output; + return(output); +} +//awesome. cuttof is freq in hz. res is between 1 and whatever. Watch out! +double maxiFilter::lores(double input,double cutoff1, double resonance) { + cutoff=cutoff1*0.5; + if (cutoff<10) cutoff=10; + if (cutoff>(maxiSettings::sampleRate*0.5)) cutoff=(maxiSettings::sampleRate*0.5); + if (resonance<1.) resonance = 1.; + z=cos(TWOPI*cutoff/maxiSettings::sampleRate); + c=2-2*z; + double r=(sqrt(2.0)*sqrt(-pow((z-1.0),3.0))+resonance*(z-1))/(resonance*(z-1)); + x=x+(input-y)*c; + y=y+x; + x=x*r; + output=y; + return(output); +} + +//working hires filter +double maxiFilter::hires(double input,double cutoff1, double resonance) { + cutoff=cutoff1*0.5; + if (cutoff<10) cutoff=10; + if (cutoff>(maxiSettings::sampleRate*0.5)) cutoff=(maxiSettings::sampleRate*0.5); + if (resonance<1.) resonance = 1.; + z=cos(TWOPI*cutoff/maxiSettings::sampleRate); + c=2-2*z; + double r=(sqrt(2.0)*sqrt(-pow((z-1.0),3.0))+resonance*(z-1))/(resonance*(z-1)); + x=x+(input-y)*c; + y=y+x; + x=x*r; + output=input-y; + return(output); +} + +//This works a bit. Needs attention. +double maxiFilter::bandpass(double input,double cutoff1, double resonance) { + cutoff=cutoff1; + if (cutoff>(maxiSettings::sampleRate*0.5)) cutoff=(maxiSettings::sampleRate*0.5); + if (resonance>=1.) resonance=0.999999; + z=cos(TWOPI*cutoff/maxiSettings::sampleRate); + inputs[0] = (1-resonance)*(sqrt(resonance*(resonance-4.0*pow(z,2.0)+2.0)+1)); + inputs[1] = 2*z*resonance; + inputs[2] = pow((resonance*-1),2); + + output=inputs[0]*input+inputs[1]*outputs[1]+inputs[2]*outputs[2]; + outputs[2]=outputs[1]; + outputs[1]=output; + return(output); +} + +//stereo bus +double *maxiMix::stereo(double input,double two[2],double x) { + if (x>1) x=1; + if (x<0) x=0; + two[0]=input*sqrt(1.0-x); + two[1]=input*sqrt(x); + return(two); +} + +//quad bus +double *maxiMix::quad(double input,double four[4],double x,double y) { + if (x>1) x=1; + if (x<0) x=0; + if (y>1) y=1; + if (y<0) y=0; + four[0]=input*sqrt((1.0-x)*y); + four[1]=input*sqrt((1.0-x)*(1.0-y)); + four[2]=input*sqrt(x*y); + four[3]=input*sqrt(x*(1.0-y)); + return(four); +} + +//ambisonic bus +double *maxiMix::ambisonic(double input,double eight[8],double x,double y,double z) { + if (x>1) x=1; + if (x<0) x=0; + if (y>1) y=1; + if (y<0) y=0; + if (z>1) y=1; + if (z<0) y=0; + eight[0]=input*(sqrt((1.0-x)*y)*1.0-z); + eight[1]=input*(sqrt((1.0-x)*(1.0-y))*1.0-z); + eight[2]=input*(sqrt(x*y)*1.0-z); + eight[3]=input*(sqrt(x*(1.0-y))*1.0-z); + eight[4]=input*(sqrt((1.0-x)*y)*z); + eight[5]=input*(sqrt((1.0-x)*(1.0-y))*z); + eight[6]=input*sqrt((x*y)*z); + eight[7]=input*sqrt((x*(1.0-y))*z); + return(eight); +} + + +bool maxiSample::load(string fileName, int channel) { + myPath = fileName; + readChannel=channel; + return read(); +} + +void maxiSample::trigger() { + position = 0; +} + +bool maxiSample::read() +{ + bool result; + ifstream inFile( myPath.c_str(), ios::in | ios::binary); + result = inFile; + if (inFile) { + bool datafound = false; + inFile.seekg(4, ios::beg); + inFile.read( (char*) &myChunkSize, 4 ); // read the ChunkSize + + inFile.seekg(16, ios::beg); + inFile.read( (char*) &mySubChunk1Size, 4 ); // read the SubChunk1Size + + //inFile.seekg(20, ios::beg); + inFile.read( (char*) &myFormat, sizeof(short) ); // read the file format. This should be 1 for PCM + + //inFile.seekg(22, ios::beg); + inFile.read( (char*) &myChannels, sizeof(short) ); // read the # of channels (1 or 2) + + //inFile.seekg(24, ios::beg); + inFile.read( (char*) &mySampleRate, sizeof(int) ); // read the samplerate + + //inFile.seekg(28, ios::beg); + inFile.read( (char*) &myByteRate, sizeof(int) ); // read the byterate + + //inFile.seekg(32, ios::beg); + inFile.read( (char*) &myBlockAlign, sizeof(short) ); // read the blockalign + + //inFile.seekg(34, ios::beg); + inFile.read( (char*) &myBitsPerSample, sizeof(short) ); // read the bitspersample + + //ignore any extra chunks + char chunkID[5]=""; + chunkID[4] = 0; + int filePos = 36; + while(!datafound && !inFile.eof()) { + inFile.seekg(filePos, ios::beg); + inFile.read((char*) &chunkID, sizeof(char) * 4); + inFile.seekg(filePos + 4, ios::beg); + inFile.read( (char*) &myDataSize, sizeof(int) ); // read the size of the data + filePos += 8; + if (strcmp(chunkID,"data") == 0) { + datafound = true; + }else{ + filePos += myDataSize; + } + } + + // read the data chunk + myData = (char*) malloc(myDataSize * sizeof(char)); + inFile.seekg(filePos, ios::beg); + inFile.read(myData, myDataSize); + length=myDataSize*(0.5/myChannels); + inFile.close(); // close the input file + + if (myChannels>1) { + int position=0; + int channel=readChannel*2; + for (int i=channel;i<myDataSize+6;i+=(myChannels*2)) { + myData[position]=myData[i]; + myData[position+1]=myData[i+1]; + position+=2; + } + } + + }else { + cout << "ERROR: Could not load sample: " <<myPath << endl; + } + + + return result; // this should probably be something more descriptive +} + + +double maxiSample::play() { + // long length=myDataSize*(1./myChannels); + double remainder; + short* buffer = (short *)myData; + position=(position+1); + remainder = position - (long) position; + if ((long) position>length) position=0; + output = + (double) ((1-remainder) * buffer[1+ (long) position] + remainder * buffer[2+(long) position])/32767;//linear interpolation + return(output); +} + +double maxiSample::playOnce() { + // long length=myDataSize*(0.5/myChannels); + double remainder; + short* buffer = (short *)myData; + position=(position+1); + remainder = position - (long) position; + if ((long) position<length) + output = (double) ((1-remainder) * buffer[1+ (long) position] + remainder * buffer[2+(long) position])/32767;//linear interpolation + else + output=0; + + return(output); +} + +double maxiSample::playOnce(double speed) { + double remainder; + //long a,b; + // long length=myDataSize*0.5; + short* buffer = (short *)myData; + position=position+((speed*chandiv*myChannels)/(maxiSettings::sampleRate/mySampleRate)); + if ((long) position<length) + output = (double) ((1-remainder) * buffer[1+ (long) position] + remainder * buffer[2+(long) position])/32767;//linear interpolation + else + output=0; + return(output); +} + +double maxiSample::play(double speed) { + double remainder; + long a,b; + // long length=myDataSize*0.5; + short* buffer = (short *)myData; + position=position+((speed*chandiv*myChannels)/(maxiSettings::sampleRate/mySampleRate)); + if (speed >=0) { + + if ((long) position>=length-1) position=1; + remainder = position - floor(position); + if (position+1<length) { + a=position+1; + + } + else { + a=length-1; + } + if (position+2<length) + { + b=position+2; + } + else { + b=length-1; + } + + output = (double) ((1-remainder) * buffer[a] + remainder * buffer[b])/32767;//linear interpolation + } else { + if ((long) position<0) position=length; + remainder = position - floor(position); + if (position-1>=0) { + a=position-1; + + } + else { + a=0; + } + if (position-2>=0) { + b=position-2; + } + else { + b=0; + } + output = (double) ((-1-remainder) * buffer[a] + remainder * buffer[b])/32767;//linear interpolation + } + return(output); +} + +double maxiSample::play(double frequency, double start, double end) { + return play(frequency, start, end, position); +} + +double maxiSample::play(double frequency, double start, double end, double &pos) { + double remainder; + // long length=myDataSize; + + if (end>=length) end=length-1; + long a,b; + short* buffer = (short *)myData; + if (frequency >0.) { + if (pos<start) { + pos=start; + } + + if ( pos >= end ) pos = start; + pos += ((end-start)/(maxiSettings::sampleRate/(frequency*chandiv))); + remainder = pos - floor(pos); + long posl = floor(pos); + if (posl+1<length) { + a=posl+1; + + } + else { + a=posl-1; + } + if (posl+2<length) { + b=posl+2; + } + else { + b=length-1; + } + + output = (double) ((1-remainder) * buffer[a] + + remainder * buffer[b])/32767;//linear interpolation + } else { + frequency=frequency-(frequency+frequency); + if ( pos <= start ) pos = end; + pos -= ((end-start)/(maxiSettings::sampleRate/(frequency*chandiv))); + remainder = pos - floor(pos); + long posl = floor(pos); + if (posl-1>=0) { + a=posl-1; + } + else { + a=0; + } + if (posl-2>=0) { + b=posl-2; + } + else { + b=0; + } + output = (double) ((-1-remainder) * buffer[a] + + remainder * buffer[b])/32767;//linear interpolation + + } + + return(output); +} + + +//better cubic inerpolation. Cobbled together from various (pd externals, yehar, other places). +double maxiSample::play4(double frequency, double start, double end) { + double remainder; + double a,b,c,d,a1,a2,a3; + short* buffer = (short*)myData; + if (frequency >0.) { + if (position<start) { + position=start; + } + if ( position >= end ) position = start; + position += ((end-start)/(maxiSettings::sampleRate/(frequency*chandiv))); + remainder = position - floor(position); + if (position>0) { + a=buffer[(int)(floor(position))-1]; + + } else { + a=buffer[0]; + + } + + b=buffer[(long) position]; + if (position<end-2) { + c=buffer[(long) position+1]; + + } else { + c=buffer[0]; + + } + if (position<end-3) { + d=buffer[(long) position+2]; + + } else { + d=buffer[0]; + } + a1 = 0.5f * (c - a); + a2 = a - 2.5 * b + 2.f * c - 0.5f * d; + a3 = 0.5f * (d - a) + 1.5f * (b - c); + output = (double) (((a3 * remainder + a2) * remainder + a1) * remainder + b) / 32767; + + } else { + frequency=frequency-(frequency+frequency); + if ( position <= start ) position = end; + position -= ((end-start)/(maxiSettings::sampleRate/(frequency*chandiv))); + remainder = position - floor(position); + if (position>start && position < end-1) { + a=buffer[(long) position+1]; + + } else { + a=buffer[0]; + + } + + b=buffer[(long) position]; + if (position>start) { + c=buffer[(long) position-1]; + + } else { + c=buffer[0]; + + } + if (position>start+1) { + d=buffer[(long) position-2]; + + } else { + d=buffer[0]; + } + a1 = 0.5f * (c - a); + a2 = a - 2.5 * b + 2.f * c - 0.5f * d; + a3 = 0.5f * (d - a) + 1.5f * (b - c); + output = (double) (((a3 * remainder + a2) * -remainder + a1) * -remainder + b) / 32767; + + } + + return(output); +} + +double maxiSample::bufferPlay(unsigned char &bufferin,long length) { + double remainder; + short* buffer = (short *)&bufferin; + position=(position+1); + remainder = position - (long) position; + if ((long) position>length) position=0; + output = (double) ((1-remainder) * buffer[1+ (long) position] + remainder * buffer[2+(long) position])/32767;//linear interpolation + return(output); +} + +double maxiSample::bufferPlay(unsigned char &bufferin,double speed,long length) { + double remainder; + long a,b; + short* buffer = (short *)&bufferin; + position=position+((speed*chandiv*myChannels)/(maxiSettings::sampleRate/mySampleRate)); + if (speed >=0) { + + if ((long) position>=length-1) position=1; + remainder = position - floor(position); + if (position+1<length) { + a=position+1; + + } + else { + a=length-1; + } + if (position+2<length) + { + b=position+2; + } + else { + b=length-1; + } + + output = (double) ((1-remainder) * buffer[a] + remainder * buffer[b])/32767;//linear interpolation + } else { + if ((long) position<0) position=length; + remainder = position - floor(position); + if (position-1>=0) { + a=position-1; + + } + else { + a=0; + } + if (position-2>=0) { + b=position-2; + } + else { + b=0; + } + output = (double) ((-1-remainder) * buffer[a] + remainder * buffer[b])/32767;//linear interpolation + } + return(output); +} + +double maxiSample::bufferPlay(unsigned char &bufferin,double frequency, double start, double end) { + double remainder; + length=end; + long a,b; + short* buffer = (short *)&bufferin; + if (frequency >0.) { + if (position<start) { + position=start; + } + + if ( position >= end ) position = start; + position += ((end-start)/(maxiSettings::sampleRate/(frequency*chandiv))); + remainder = position - floor(position); + long pos = floor(position); + if (pos+1<length) { + a=pos+1; + + } + else { + a=pos-1; + } + if (pos+2<length) { + b=pos+2; + } + else { + b=length-1; + } + + output = (double) ((1-remainder) * buffer[a] + + remainder * buffer[b])/32767;//linear interpolation + } else { + frequency=frequency-(frequency+frequency); + if ( position <= start ) position = end; + position -= ((end-start)/(maxiSettings::sampleRate/(frequency*chandiv))); + remainder = position - floor(position); + long pos = floor(position); + if (pos-1>=0) { + a=pos-1; + } + else { + a=0; + } + if (pos-2>=0) { + b=pos-2; + } + else { + b=0; + } + output = (double) ((-1-remainder) * buffer[a] + + remainder * buffer[b])/32767;//linear interpolation + + } + + return(output); +} + +//better cubic inerpolation. Cobbled together from various (pd externals, yehar, other places). +double maxiSample::bufferPlay4(unsigned char &bufferin,double frequency, double start, double end) { + double remainder; + double a,b,c,d,a1,a2,a3; + short* buffer = (short*)&bufferin; + if (frequency >0.) { + if (position<start) { + position=start; + } + if ( position >= end ) position = start; + position += ((end-start)/(maxiSettings::sampleRate/(frequency*chandiv))); + remainder = position - floor(position); + if (position>0) { + a=buffer[(int)(floor(position))-1]; + + } else { + a=buffer[0]; + + } + + b=buffer[(long) position]; + if (position<end-2) { + c=buffer[(long) position+1]; + + } else { + c=buffer[0]; + + } + if (position<end-3) { + d=buffer[(long) position+2]; + + } else { + d=buffer[0]; + } + a1 = 0.5f * (c - a); + a2 = a - 2.5 * b + 2.f * c - 0.5f * d; + a3 = 0.5f * (d - a) + 1.5f * (b - c); + output = (double) (((a3 * remainder + a2) * remainder + a1) * remainder + b) / 32767; + + } else { + frequency=frequency-(frequency+frequency); + if ( position <= start ) position = end; + position -= ((end-start)/(maxiSettings::sampleRate/(frequency*chandiv))); + remainder = position - floor(position); + if (position>start && position < end-1) { + a=buffer[(long) position+1]; + + } else { + a=buffer[0]; + + } + + b=buffer[(long) position]; + if (position>start) { + c=buffer[(long) position-1]; + + } else { + c=buffer[0]; + + } + if (position>start+1) { + d=buffer[(long) position-2]; + + } else { + d=buffer[0]; + } + a1 = 0.5f * (c - a); + a2 = a - 2.5 * b + 2.f * c - 0.5f * d; + a3 = 0.5f * (d - a) + 1.5f * (b - c); + output = (double) (((a3 * remainder + a2) * -remainder + a1) * -remainder + b) / 32767; + + } + + return(output); +} + + +void maxiSample::getLength() { + length=myDataSize*0.5; +} + + +/* OK this compressor and gate are now ready to use. The envelopes, like all the envelopes in this recent update, use stupid algorithms for + incrementing - consequently a long attack is something like 0.0001 and a long release is like 0.9999. + Annoyingly, a short attack is 0.1, and a short release is 0.99. I'll sort this out laters */ + +double maxiDyn::gate(double input, double threshold, long holdtime, double attack, double release) { + + if (fabs(input)>threshold && attackphase!=1){ + holdcount=0; + releasephase=0; + attackphase=1; + if(amplitude==0) amplitude=0.01; + } + + if (attackphase==1 && amplitude<1) { + amplitude*=(1+attack); + output=input*amplitude; + } + + if (amplitude>=1) { + attackphase=0; + holdphase=1; + } + + if (holdcount<holdtime && holdphase==1) { + output=input; + holdcount++; + } + + if (holdcount==holdtime) { + holdphase=0; + releasephase=1; + } + + if (releasephase==1 && amplitude>0.) { + output=input*(amplitude*=release); + + } + + return output; +} + + +double maxiDyn::compressor(double input, double ratio, double threshold, double attack, double release) { + + if (fabs(input)>threshold && attackphase!=1){ + holdcount=0; + releasephase=0; + attackphase=1; + if(currentRatio==0) currentRatio=ratio; + } + + if (attackphase==1 && currentRatio<ratio-1) { + currentRatio*=(1+attack); + } + + if (currentRatio>=ratio-1) { + attackphase=0; + releasephase=1; + } + + if (releasephase==1 && currentRatio>0.) { + currentRatio*=release; + } + + if (input>0.) { + output = input/(1.+currentRatio); + } else { + output = input/(1.+currentRatio); + } + + return output*(1+log(ratio)); +} + + +/* Lots of people struggle with the envelope generators so here's a new easy one. + It takes mental numbers for attack and release tho. Basically, they're exponentials. + I'll map them out later so that it's a bit more intuitive */ +double maxiEnv::ar(double input, double attack, double release, long holdtime, int trigger) { + + if (trigger==1 && attackphase!=1 && holdphase!=1){ + holdcount=0; + releasephase=0; + attackphase=1; + } + + if (attackphase==1) { + amplitude+=(1*attack); + output=input*amplitude; + } + + if (amplitude>=1) { + amplitude=1; + attackphase=0; + holdphase=1; + } + + if (holdcount<holdtime && holdphase==1) { + output=input; + holdcount++; + } + + if (holdcount==holdtime && trigger==1) { + output=input; + } + + if (holdcount==holdtime && trigger!=1) { + holdphase=0; + releasephase=1; + } + + if (releasephase==1 && amplitude>0.) { + output=input*(amplitude*=release); + + } + + return output; +} + +/* and here's a new adsr. It's not bad, very simple to use*/ + +double maxiEnv::adsr(double input, double attack, double decay, double sustain, double release, long holdtime, int trigger) { + + if (trigger==1 && attackphase!=1 && holdphase!=1 && decayphase!=1){ + holdcount=0; + decayphase=0; + sustainphase=0; + releasephase=0; + attackphase=1; + } + + if (attackphase==1) { + amplitude+=(1*attack); + output=input*amplitude; + } + + if (amplitude>=1) { + amplitude=1; + attackphase=0; + decayphase=1; + } + + if (decayphase==1) { + output=input*(amplitude*=decay); + if (amplitude<=sustain) { + decayphase=0; + holdphase=1; + } + } + + if (holdcount<holdtime && holdphase==1) { + output=input*amplitude; + holdcount++; + } + + if (holdcount==holdtime && trigger==1) { + output=input*amplitude; + } + + if (holdcount==holdtime && trigger!=1) { + holdphase=0; + releasephase=1; + } + + if (releasephase==1 && amplitude>0.) { + output=input*(amplitude*=release); + + } + + return output; +} + +double convert::mtof(int midinote) { + + return mtofarray[midinote]; +}
\ No newline at end of file diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maximilian.h b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maximilian.h new file mode 100755 index 0000000..102d552 --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/libs/maximilian.h @@ -0,0 +1,366 @@ +/* + * maximilian.h + * platform independent synthesis library using portaudio or rtaudio + * + * Created by Mick Grierson on 29/12/2009. + * Copyright 2009 Mick Grierson & Strangeloop Limited. All rights reserved. + * Thanks to the Goldsmiths Creative Computing Team. + * Special thanks to Arturo Castro for the PortAudio implementation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef MAXIMILIAN_H +#define MAXIMILIAN_H + +//#define MAXIMILIAN_PORTAUDIO +#define MAXIMILIAN_RT_AUDIO + +//#include "ofMain.h" +//#include "ofUtils.h" + + +#include <iostream> +#include <fstream> +#include <string> +#include <cstdlib> +#include "math.h" + +using namespace std; +#define TWOPI (3.14159*2) + +class maxiSettings { +public: + static int sampleRate; + static int channels; + static int bufferSize; + static void setup(int initSampleRate, int initChannels, int initBufferSize) { + maxiSettings::sampleRate = initSampleRate; + maxiSettings::channels = initChannels; + maxiSettings::bufferSize = initBufferSize; + } +}; + + +class maxiOsc { + + double frequency; + double phase; + double startphase; + double endphase; + double output; + double tri; + + +public: + maxiOsc(); + double sinewave(double frequency); + double coswave(double frequency); + double phasor(double frequency); + double phasor(double frequency, double startphase, double endphase); + double saw(double frequency); + double triangle(double frequency); + double square(double frequency); + double pulse(double frequency, double duty); + double noise(); + double sinebuf(double frequency); + double sinebuf4(double frequency); + void phaseReset(double phaseIn); + +}; + + +class maxiEnvelope { + + double period; + double output; + double startval; + double currentval; + double nextval; + int isPlaying; + +public: + double line(int numberofsegments,double segments[100]); + void trigger(int index,double amp); + int valindex; + double amplitude; + +}; + + +class maxiDelayline { + double frequency; + int phase; + double startphase; + double endphase; + double output; + double memory[88200]; + +public: + maxiDelayline(); + double dl(double input, int size, double feedback); + double dl(double input, int size, double feedback, int position); + + +}; + + +class maxiFilter { + double gain; + double input; + double output; + double inputs[10]; + double outputs[10]; + double cutoff1; + double x;//speed + double y;//pos + double z;//pole + double c;//filter coefficient +public: + maxiFilter():x(0.0), y(0.0), z(0.0), c(0.0){}; + double cutoff; + double resonance; + double lores(double input,double cutoff1, double resonance); + double hires(double input,double cutoff1, double resonance); + double bandpass(double input,double cutoff1, double resonance); + double lopass(double input,double cutoff); + double hipass(double input,double cutoff); + +}; + +class maxiMix { + double input; + double two[2]; + double four[4]; + double eight[8]; +public: + double x; + double y; + double z; + double *stereo(double input,double two[2],double x); + double *quad(double input,double four[4], double x,double y); + double *ambisonic(double input,double eight[8],double x,double y, double z); + +}; + +class maxiSample { + +private: + string myPath; + int myChunkSize; + int mySubChunk1Size; + int readChannel; + short myFormat; + int myByteRate; + short myBlockAlign; + short myBitsPerSample; + double position; + double speed; + double output; + +public: + int myDataSize; + short myChannels; + int mySampleRate; + long length; + void getLength(); + + + char* myData; + + // get/set for the Path property + + ~maxiSample() + { + if (myData) delete[] myData; + myChunkSize = NULL; + mySubChunk1Size = NULL; + myFormat = NULL; + myChannels = NULL; + mySampleRate = NULL; + myByteRate = NULL; + myBlockAlign = NULL; + myBitsPerSample = NULL; + myDataSize = NULL; + } + + maxiSample():myData(NULL){}; + + bool load(string fileName, int channel=0); + + void trigger(); + + // read a wav file into this class + bool read(); + + double play(); + + double playOnce(); + + double playOnce(double speed); + + double play(double speed); + + double play(double frequency, double start, double end, double &pos); + + double play(double frequency, double start, double end); + + double play4(double frequency, double start, double end); + + double bufferPlay(unsigned char &bufferin,long length); + + double bufferPlay(unsigned char &bufferin,double speed,long length); + + double bufferPlay(unsigned char &bufferin,double frequency, double start, double end); + + double bufferPlay4(unsigned char &bufferin,double frequency, double start, double end); + + //int open(char *filename) { + // // open the wav file + // char *path = new char[50]; + // strcpy(path, filename); + // sample *myWav = new sample(path); + // return 0; + // } + // // print a summary of the wav file + // int info() { + // char *summary = myWav->getSummary(); + // printf("Summary:\n%s", summary); + // return 0; + // } + // int savefile() { + // // write the summary back out + // strcpy(path, "testout.wav"); + // myWav->setPath(path); + // myWav->save(); + // return 0: + // } + // int close() { + // // collect the garbage + // delete summary; + // delete path; + // delete myWav; + // + // return 0; + // } + // write out the wav file + bool save() + { + fstream myFile (myPath.c_str(), ios::out | ios::binary); + + // write the wav file per the wav file format + myFile.seekp (0, ios::beg); + myFile.write ("RIFF", 4); + myFile.write ((char*) &myChunkSize, 4); + myFile.write ("WAVE", 4); + myFile.write ("fmt ", 4); + myFile.write ((char*) &mySubChunk1Size, 4); + myFile.write ((char*) &myFormat, 2); + myFile.write ((char*) &myChannels, 2); + myFile.write ((char*) &mySampleRate, 4); + myFile.write ((char*) &myByteRate, 4); + myFile.write ((char*) &myBlockAlign, 2); + myFile.write ((char*) &myBitsPerSample, 2); + myFile.write ("data", 4); + myFile.write ((char*) &myDataSize, 4); + myFile.write (myData, myDataSize); + + return true; + } + + // return a printable summary of the wav file + char *getSummary() + { + char *summary = new char[250]; + sprintf(summary, " Format: %d\n Channels: %d\n SampleRate: %d\n ByteRate: %d\n BlockAlign: %d\n BitsPerSample: %d\n DataSize: %d\n", myFormat, myChannels, mySampleRate, myByteRate, myBlockAlign, myBitsPerSample, myDataSize); + std::cout << myDataSize; + return summary; + } +}; + + +class maxiMap { +public: + static double inline linlin(double val, double inMin, double inMax, double outMin, double outMax) { + return ((val - inMin) / (inMax - inMin) * (outMax - outMin)) + outMin; + } + + static double inline linexp(double val, double inMin, double inMax, double outMin, double outMax) { + //clipping + val = max(min(val, inMax), inMin); + return pow((outMax / outMin), (val - inMin) / (inMax - inMin)) * outMin; + } + + static double inline explin(double val, double inMin, double inMax, double outMin, double outMax) { + //clipping + val = max(min(val, inMax), inMin); + return (log(val/inMin) / log(inMax/inMin) * (outMax - outMin)) + outMin; + } + +}; + + +class maxiDyn { + + +public: + double gate(double input, double threshold=0.9, long holdtime=1, double attack=1, double release=0.9995); + double compressor(double input, double ratio, double threshold=0.9, double attack=1, double release=0.9995); + double input; + double ratio; + double currentRatio; + double threshold; + double output; + double attack; + double release; + double amplitude; + long holdtime; + long holdcount; + int attackphase,holdphase,releasephase; +}; + +class maxiEnv { + + +public: + double ar(double input, double attack=1, double release=0.9, long holdtime=1, int trigger=0); + double adsr(double input, double attack=1, double decay=0.99, double sustain=0.125, double release=0.9, long holdtime=1, int trigger=0); + double input; + double output; + double attack; + double decay; + double sustain; + double release; + double amplitude; + int trigger; + long holdtime; + long holdcount; + int attackphase,decayphase,sustainphase,holdphase,releasephase; +}; + +class convert { +public: + double mtof(int midinote); +}; + +#endif diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/src/ofxMaxim.h b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/src/ofxMaxim.h new file mode 100644 index 0000000..ec8c539 --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxMaxim/src/ofxMaxim.h @@ -0,0 +1,55 @@ +/* + * maximilian + * platform independent synthesis library using portaudio or rtaudio + * + * Created by Mick Grierson on 29/12/2009. + * Copyright 2009 Mick Grierson & Strangeloop Limited. All rights reserved. + * Thanks to the Goldsmiths Creative Computing Team. + * Special thanks to Arturo Castro for the PortAudio implementation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef _OFMAXIM_H +#define _OFMAXIM_H + +#include "maximilian.h" +#include "maxiFFT.h" +#include "maxiGrains.h" +#include "maxiMFCC.h" + + +typedef maxiMix ofxMaxiMix; +typedef maxiOsc ofxMaxiOsc; +typedef maxiEnvelope ofxMaxiEnvelope; +typedef maxiDelayline ofxMaxiDelayline; +typedef maxiFilter ofxMaxiFilter; +typedef maxiSample ofxMaxiSample; +typedef maxiFFT ofxMaxiFFT; +typedef maxiIFFT ofxMaxiIFFT; +typedef maxiFFTOctaveAnalyzer ofxMaxiFFTOctaveAnalyzer; +typedef maxiSettings ofxMaxiSettings; +typedef maxiMFCC ofxMaxiMFCC; + + +#endif diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxiphone-Info.plist b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxiphone-Info.plist new file mode 100644 index 0000000..43db2fa --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/ofxiphone-Info.plist @@ -0,0 +1,36 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> +<plist version="1.0"> +<dict> + <key>CFBundleVersion</key> + <string>1.0</string> + <key>CFBundleShortVersionString</key> + <string>1.0</string> + <key>CFBundleIdentifier</key> + <string>${PRODUCT_NAME:identifier}</string> + <key>UIStatusBarHidden</key> + <true/> + <key>CFBundleDevelopmentRegion</key> + <string>English</string> + <key>CFBundleDisplayName</key> + <string>${PRODUCT_NAME}</string> + <key>CFBundleExecutable</key> + <string>${EXECUTABLE_NAME}</string> + <key>CFBundleIconFile</key> + <string></string> + <key>CFBundleInfoDictionaryVersion</key> + <string>6.0</string> + <key>CFBundleName</key> + <string>${PRODUCT_NAME}</string> + <key>CFBundlePackageType</key> + <string>APPL</string> + <key>CFBundleSignature</key> + <string>????</string> + <key>LSRequiresIPhoneOS</key> + <true/> + <key>UIApplicationExitsOnSuspend</key> + <true/> + <key>UIInterfaceOrientation</key> + <string>UIInterfaceOrientationPortrait</string> +</dict> +</plist> diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/src/main.mm b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/src/main.mm new file mode 100644 index 0000000..a0b6b4c --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/src/main.mm @@ -0,0 +1,8 @@ +#include "ofMain.h" +#include "testApp.h" + +int main(){ + ofSetupOpenGL(1024,768, OF_FULLSCREEN); // <-------- setup the GL context + + ofRunApp(new testApp); +} diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/src/testApp.h b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/src/testApp.h new file mode 100755 index 0000000..ac944e5 --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/src/testApp.h @@ -0,0 +1,42 @@ +#pragma once + +#include "ofMain.h" +#include "ofxiPhone.h" +#include "ofxiPhoneExtras.h" +#include "ofxMaxim.h" + + +class testApp : public ofxiPhoneApp { + +public: + ~testApp(); + void setup(); + void update(); + void draw(); + void exit(); + + void touchDown(ofTouchEventArgs &touch); + void touchMoved(ofTouchEventArgs &touch); + void touchUp(ofTouchEventArgs &touch); + void touchDoubleTap(ofTouchEventArgs &touch); + + void lostFocus(); + void gotFocus(); + void gotMemoryWarning(); + void deviceOrientationChanged(int newOrientation); + + void audioReceived( float * input, int bufferSize, int nChannels ); + void audioRequested( float * output, int bufferSize, int nChannels ); + + int initialBufferSize; + int sampleRate; + + + ofxMaxiOsc myOsc1; + ofxMaxiSample sample1; + double patch1,sample,outputs1[2]; + ofxMaxiMix channel1; + +}; + + diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/src/testApp.mm b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/src/testApp.mm new file mode 100755 index 0000000..8dc9e95 --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone0062Example/src/testApp.mm @@ -0,0 +1,116 @@ +#include "testApp.h" +#include "ofxMaxim.h" + +testApp::~testApp() { + + delete sample1.myData; + +} + + +//-------------------------------------------------------------- +void testApp::setup(){ + ofEnableAlphaBlending(); + // register touch events + ofRegisterTouchEvents(this); + + // initialize the accelerometer + ofxAccelerometer.setup(); + + //iPhoneAlerts will be sent to this. + ofxiPhoneAlerts.addListener(this); + + sampleRate = 44100; + initialBufferSize = 512; + + sample1.load(ofToDataPath("beat2.wav")); + + ofSoundStreamSetup(2,0,this, sampleRate, initialBufferSize, 4); + + //If you want a landscape oreintation + //iPhoneSetOrientation(OFXIPHONE_ORIENTATION_LANDSCAPE_RIGHT); + + ofBackground(255,255,255); +} + +//-------------------------------------------------------------- +void testApp::update(){ + +} + +//-------------------------------------------------------------- +void testApp::draw(){ + +} + +//-------------------------------------------------------------- +void testApp::exit(){ + +} + + +//-------------------------------------------------------------- +void testApp::audioRequested(float * output, int bufferSize, int nChannels){ + + if( initialBufferSize != bufferSize ){ + ofLog(OF_LOG_ERROR, "your buffer size was set to %i - but the stream needs a buffer size of %i", initialBufferSize, bufferSize); + return; + } + + for (int i = 0; i < bufferSize; i++){ + + sample=sample1.play(1.); + channel1.stereo(sample,outputs1,0.5); + + output[i*nChannels ] = outputs1[0]; + output[i*nChannels + 1] = outputs1[1]; + + } + +} + +//-------------------------------------------------------------- +void testApp::audioReceived(float * input, int bufferSize, int nChannels){ + +} + +//-------------------------------------------------------------- +void testApp::touchDown(ofTouchEventArgs &touch){ + +} + +//-------------------------------------------------------------- +void testApp::touchMoved(ofTouchEventArgs &touch){ + +} + +//-------------------------------------------------------------- +void testApp::touchUp(ofTouchEventArgs &touch){ + +} + +//-------------------------------------------------------------- +void testApp::touchDoubleTap(ofTouchEventArgs &touch){ + +} + +//-------------------------------------------------------------- +void testApp::lostFocus(){ + +} + +//-------------------------------------------------------------- +void testApp::gotFocus(){ + +} + +//-------------------------------------------------------------- +void testApp::gotMemoryWarning(){ + +} + +//-------------------------------------------------------------- +void testApp::deviceOrientationChanged(int newOrientation){ + +} + diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/Project.xcconfig b/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/Project.xcconfig new file mode 100644 index 0000000..1a590ae --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/Project.xcconfig @@ -0,0 +1,14 @@ +//THE PATH TO THE ROOT OF OUR OF PATH RELATIVE TO THIS PROJECT. +//THIS NEEDS TO BE DEFINED BEFORE CoreOF.xcconfig IS INCLUDED +OF_PATH = ../../.. + +//THIS HAS ALL THE HEADER AND LIBS FOR OF CORE +#include "../../../libs/openFrameworksCompiled/project/iphone/CoreOF.xcconfig" + +OTHER_LDFLAGS = $(OF_CORE_LIBS) +HEADER_SEARCH_PATHS = $(OF_CORE_HEADERS) + +COMPRESS_PNG_FILES = NO +GCC_THUMB_SUPPORT = NO +IPHONEOS_DEPLOYMENT_TARGET = 3.1 +TARGETED_DEVICE_FAMILY = 1 diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/bin/data/Default.png b/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/bin/data/Default.png Binary files differnew file mode 100644 index 0000000..e782497 --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/bin/data/Default.png diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/bin/data/Icon.png 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b/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/emptyExample.xcodeproj/xcuserdata/mick.xcuserdatad/xcschemes/emptyExample.xcscheme @@ -0,0 +1,84 @@ +<?xml version="1.0" encoding="UTF-8"?> +<Scheme + version = "1.3"> + <BuildAction + parallelizeBuildables = "YES" + buildImplicitDependencies = "YES"> + <BuildActionEntries> + <BuildActionEntry + buildForTesting = "YES" + buildForRunning = "YES" + buildForProfiling = "YES" + buildForArchiving = "YES" + buildForAnalyzing = "YES"> + <BuildableReference + BuildableIdentifier = "primary" + BlueprintIdentifier = "1D6058900D05DD3D006BFB54" + BuildableName = "emptyExample.app" + BlueprintName = "emptyExample" + ReferencedContainer = "container:emptyExample.xcodeproj"> + </BuildableReference> + </BuildActionEntry> + </BuildActionEntries> + </BuildAction> + <TestAction + selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.GDB" + selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.GDB" + shouldUseLaunchSchemeArgsEnv = "YES" 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b/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/emptyExample.xcodeproj/xcuserdata/mick.xcuserdatad/xcschemes/xcschememanagement.plist new file mode 100644 index 0000000..0ba941f --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/emptyExample.xcodeproj/xcuserdata/mick.xcuserdatad/xcschemes/xcschememanagement.plist @@ -0,0 +1,22 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> +<plist version="1.0"> +<dict> + <key>SchemeUserState</key> + <dict> + <key>emptyExample.xcscheme</key> + <dict> + <key>orderHint</key> + <integer>1</integer> + </dict> + </dict> + <key>SuppressBuildableAutocreation</key> + <dict> + <key>1D6058900D05DD3D006BFB54</key> + <dict> + <key>primary</key> + <true/> + </dict> + </dict> +</dict> +</plist> diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/iPhone_Prefix.pch b/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/iPhone_Prefix.pch new file mode 100644 index 0000000..fd3401c --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/iPhone_Prefix.pch @@ -0,0 +1,8 @@ +// +// Prefix header for all source files of the 'iPhone' target in the 'iPhone' project +// + +#ifdef __OBJC__ + #import <Foundation/Foundation.h> + #import <UIKit/UIKit.h> +#endif diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/ofxiphone-Info.plist b/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/ofxiphone-Info.plist new file mode 100644 index 0000000..43db2fa --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/ofxiphone-Info.plist @@ -0,0 +1,36 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> +<plist version="1.0"> +<dict> + <key>CFBundleVersion</key> + <string>1.0</string> + <key>CFBundleShortVersionString</key> + <string>1.0</string> + <key>CFBundleIdentifier</key> + <string>${PRODUCT_NAME:identifier}</string> + <key>UIStatusBarHidden</key> + <true/> + <key>CFBundleDevelopmentRegion</key> + <string>English</string> + <key>CFBundleDisplayName</key> + <string>${PRODUCT_NAME}</string> + <key>CFBundleExecutable</key> + <string>${EXECUTABLE_NAME}</string> + <key>CFBundleIconFile</key> + <string></string> + <key>CFBundleInfoDictionaryVersion</key> + <string>6.0</string> + <key>CFBundleName</key> + <string>${PRODUCT_NAME}</string> + <key>CFBundlePackageType</key> + <string>APPL</string> + <key>CFBundleSignature</key> + <string>????</string> + <key>LSRequiresIPhoneOS</key> + <true/> + <key>UIApplicationExitsOnSuspend</key> + <true/> + <key>UIInterfaceOrientation</key> + <string>UIInterfaceOrientationPortrait</string> +</dict> +</plist> diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/src/main.mm b/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/src/main.mm new file mode 100644 index 0000000..a0b6b4c --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/src/main.mm @@ -0,0 +1,8 @@ +#include "ofMain.h" +#include "testApp.h" + +int main(){ + ofSetupOpenGL(1024,768, OF_FULLSCREEN); // <-------- setup the GL context + + ofRunApp(new testApp); +} diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/src/testApp.h b/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/src/testApp.h new file mode 100755 index 0000000..0bf924f --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/src/testApp.h @@ -0,0 +1,43 @@ +#pragma once + +#include "ofMain.h" +#include "ofxiPhone.h" +#include "ofxiPhoneExtras.h" +#include "ofxMaxim.h" + + +class testApp : public ofxiPhoneApp { + +public: + ~testApp(); + void setup(); + void update(); + void draw(); + void exit(); + + void touchDown(ofTouchEventArgs &touch); + void touchMoved(ofTouchEventArgs &touch); + void touchUp(ofTouchEventArgs &touch); + void touchDoubleTap(ofTouchEventArgs &touch); + void touchCancelled(ofTouchEventArgs &touch); + + void lostFocus(); + void gotFocus(); + void gotMemoryWarning(); + void deviceOrientationChanged(int newOrientation); + + void audioReceived( float * input, int bufferSize, int nChannels ); + void audioRequested( float * output, int bufferSize, int nChannels ); + + int initialBufferSize; + int sampleRate; + + + ofxMaxiOsc myOsc1; + ofxMaxiSample sample1; + double patch1,sample,outputs1[2]; + ofxMaxiMix channel1; + +}; + + diff --git a/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/src/testApp.mm b/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/src/testApp.mm new file mode 100755 index 0000000..ad2a865 --- /dev/null +++ b/ofxMaxim/examples/iOS/ofxMaximiPhone007Example/src/testApp.mm @@ -0,0 +1,121 @@ +#include "testApp.h" +#include "ofxMaxim.h" + +testApp::~testApp() { + + delete sample1.myData; + +} + + +//-------------------------------------------------------------- +void testApp::setup(){ + ofEnableAlphaBlending(); + // register touch events + ofRegisterTouchEvents(this); + + // initialize the accelerometer + ofxAccelerometer.setup(); + + //iPhoneAlerts will be sent to this. + ofxiPhoneAlerts.addListener(this); + + sampleRate = 44100; + initialBufferSize = 512; + + sample1.load(ofToDataPath("beat2.wav")); + + ofSoundStreamSetup(2,0,this, sampleRate, initialBufferSize, 4); + + //If you want a landscape oreintation + //iPhoneSetOrientation(OFXIPHONE_ORIENTATION_LANDSCAPE_RIGHT); + + ofBackground(255,255,255); +} + +//-------------------------------------------------------------- +void testApp::update(){ + +} + +//-------------------------------------------------------------- +void testApp::draw(){ + +} + +//-------------------------------------------------------------- +void testApp::exit(){ + +} + + +//-------------------------------------------------------------- +void testApp::audioRequested(float * output, int bufferSize, int nChannels){ + + if( initialBufferSize != bufferSize ){ + ofLog(OF_LOG_ERROR, "your buffer size was set to %i - but the stream needs a buffer size of %i", initialBufferSize, bufferSize); + return; + } + + for (int i = 0; i < bufferSize; i++){ + + sample=sample1.play(1.); + channel1.stereo(sample,outputs1,0.5); + + output[i*nChannels ] = outputs1[0]; + output[i*nChannels + 1] = outputs1[1]; + + } + +} + +//-------------------------------------------------------------- +void testApp::audioReceived(float * input, int bufferSize, int nChannels){ + +} + +//-------------------------------------------------------------- +void testApp::touchDown(ofTouchEventArgs &touch){ + +} + +//-------------------------------------------------------------- +void testApp::touchMoved(ofTouchEventArgs &touch){ + +} + +//-------------------------------------------------------------- +void testApp::touchUp(ofTouchEventArgs &touch){ + +} + +//-------------------------------------------------------------- +void testApp::touchDoubleTap(ofTouchEventArgs &touch){ + +} + +//-------------------------------------------------------------- +void testApp::lostFocus(){ + +} + +//-------------------------------------------------------------- +void testApp::gotFocus(){ + +} + +//-------------------------------------------------------------- +void testApp::gotMemoryWarning(){ + +} + +//-------------------------------------------------------------- +void testApp::deviceOrientationChanged(int newOrientation){ + +} + +//-------------------------------------------------------------- +void testApp::touchCancelled(ofTouchEventArgs& args){ + +} + |
