jamulus/libs/celt/cc6_laplace.h

/* (C) 2007 Jean-Marc Valin, CSIRO
*/
/*
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   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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*/

#include "cc6_entenc.h"
#include "cc6_entdec.h"

int cc6_ec_laplace_get_start_freq(int decay);

/** Encode a value that is assumed to be the realisation of a
    Laplace-distributed random process
 @param enc Entropy encoder state
 @param value Value to encode
 @param decay Probability of the value +/- 1, multiplied by 16384
*/
void cc6_ec_laplace_encode(cc6_ec_enc *enc, int *value, int decay);

void cc6_ec_laplace_encode_start(cc6_ec_enc *enc, int *value, int decay, int fs);

/** Decode a value that is assumed to be the realisation of a
    Laplace-distributed random process
 @param dec Entropy decoder state
 @param decay Probability of the value +/- 1, multiplied by 16384
 @return Value decoded
 */
int cc6_ec_laplace_decode(cc6_ec_dec *dec, int decay);

int cc6_ec_laplace_decode_start(cc6_ec_dec *dec, int decay, int fs);