The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/media/libopus/celt/laplace.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,48 @@
     1.4 +/* Copyright (c) 2007 CSIRO
     1.5 +   Copyright (c) 2007-2009 Xiph.Org Foundation
     1.6 +   Written by Jean-Marc Valin */
     1.7 +/*
     1.8 +   Redistribution and use in source and binary forms, with or without
     1.9 +   modification, are permitted provided that the following conditions
    1.10 +   are met:
    1.11 +
    1.12 +   - Redistributions of source code must retain the above copyright
    1.13 +   notice, this list of conditions and the following disclaimer.
    1.14 +
    1.15 +   - Redistributions in binary form must reproduce the above copyright
    1.16 +   notice, this list of conditions and the following disclaimer in the
    1.17 +   documentation and/or other materials provided with the distribution.
    1.18 +
    1.19 +   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    1.20 +   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    1.21 +   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    1.22 +   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
    1.23 +   OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    1.24 +   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    1.25 +   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
    1.26 +   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
    1.27 +   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
    1.28 +   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    1.29 +   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    1.30 +*/
    1.31 +
    1.32 +#include "entenc.h"
    1.33 +#include "entdec.h"
    1.34 +
    1.35 +/** Encode a value that is assumed to be the realisation of a
    1.36 +    Laplace-distributed random process
    1.37 + @param enc Entropy encoder state
    1.38 + @param value Value to encode
    1.39 + @param fs Probability of 0, multiplied by 32768
    1.40 + @param decay Probability of the value +/- 1, multiplied by 16384
    1.41 +*/
    1.42 +void ec_laplace_encode(ec_enc *enc, int *value, unsigned fs, int decay);
    1.43 +
    1.44 +/** Decode a value that is assumed to be the realisation of a
    1.45 +    Laplace-distributed random process
    1.46 + @param dec Entropy decoder state
    1.47 + @param fs Probability of 0, multiplied by 32768
    1.48 + @param decay Probability of the value +/- 1, multiplied by 16384
    1.49 + @return Value decoded
    1.50 + */
    1.51 +int ec_laplace_decode(ec_dec *dec, unsigned fs, int decay);