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Diffstat (limited to 'src/mdaTalkBox.h')
-rw-r--r-- | src/mdaTalkBox.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/mdaTalkBox.h b/src/mdaTalkBox.h new file mode 100644 index 0000000..ebbb096 --- /dev/null +++ b/src/mdaTalkBox.h @@ -0,0 +1,85 @@ +/* + Copyright 2008-2011 David Robillard <http://drobilla.net> + Copyright 1999-2000 Paul Kellett (Maxim Digital Audio) + + This is free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, + or (at your option) any later version. + + This software is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this software. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "audioeffectx.h" + +#define NPARAMS 4 ///number of parameters +#define NPROGS 1 ///number of programs +#define BUF_MAX 1600 +#define ORD_MAX 50 +#define TWO_PI 6.28318530717958647692528676655901f + + +class mdaTalkBoxProgram +{ +public: + mdaTalkBoxProgram(); + ~mdaTalkBoxProgram() {} + +private: + friend class mdaTalkBox; + float param[NPARAMS]; + char name[24]; +}; + + +class mdaTalkBox : public AudioEffectX +{ +public: + mdaTalkBox(audioMasterCallback audioMaster); + ~mdaTalkBox(); + + virtual void process(float **inputs, float **outputs, int32_t sampleFrames); + virtual void processReplacing(float **inputs, float **outputs, int32_t sampleFrames); + virtual void setProgram(int32_t program); + virtual void setProgramName(char *name); + virtual void getProgramName(char *name); + virtual bool getProgramNameIndexed (int32_t category, int32_t index, char* name); + virtual void setParameter(int32_t index, float value); + virtual float getParameter(int32_t index); + virtual void getParameterLabel(int32_t index, char *label); + virtual void getParameterDisplay(int32_t index, char *text); + virtual void getParameterName(int32_t index, char *text); + virtual void suspend(); + virtual void resume(); + + virtual bool getEffectName(char *name); + virtual bool getVendorString(char *text); + virtual bool getProductString(char *text); + virtual int32_t getVendorVersion() { return 1000; } + +protected: + mdaTalkBoxProgram *programs; + + void lpc(float *buf, float *car, int32_t n, int32_t o); + void lpc_durbin(float *r, int p, float *k, float *g); + + ///global internal variables + float *car0, *car1; + float *window; + float *buf0, *buf1; + + float emphasis; + int32_t K, N, O, pos, swap; + float wet, dry, FX; + + float d0, d1, d2, d3, d4; + float u0, u1, u2, u3, u4; +}; + + |