media/libopus/celt/laplace.h@ac0c01689b40
media/libopus/celt/laplace.h
Thu, 15 Jan 2015 15:59:08 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 15:59:08 +0100
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
- permissions
- -rw-r--r--
Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
1 /* Copyright (c) 2007 CSIRO
2 Copyright (c) 2007-2009 Xiph.Org Foundation
3 Written by Jean-Marc Valin */
4 /*
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions
7 are met:
9 - Redistributions of source code must retain the above copyright
10 notice, this list of conditions and the following disclaimer.
12 - Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in the
14 documentation and/or other materials provided with the distribution.
16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
20 OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
24 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
25 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
26 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
29 #include "entenc.h"
30 #include "entdec.h"
32 /** Encode a value that is assumed to be the realisation of a
33 Laplace-distributed random process
34 @param enc Entropy encoder state
35 @param value Value to encode
36 @param fs Probability of 0, multiplied by 32768
37 @param decay Probability of the value +/- 1, multiplied by 16384
38 */
39 void ec_laplace_encode(ec_enc *enc, int *value, unsigned fs, int decay);
41 /** Decode a value that is assumed to be the realisation of a
42 Laplace-distributed random process
43 @param dec Entropy decoder state
44 @param fs Probability of 0, multiplied by 32768
45 @param decay Probability of the value +/- 1, multiplied by 16384
46 @return Value decoded
47 */
48 int ec_laplace_decode(ec_dec *dec, unsigned fs, int decay);
