1885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org/* Copyright (c) 2009-2010 Xiph.Org Foundation 2885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org Written by Jean-Marc Valin */ 3885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org/* 4885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org Redistribution and use in source and binary forms, with or without 5885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org modification, are permitted provided that the following conditions 6885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org are met: 7885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org 8885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org - Redistributions of source code must retain the above copyright 9885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org notice, this list of conditions and the following disclaimer. 10885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org 11885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org - Redistributions in binary form must reproduce the above copyright 12885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org notice, this list of conditions and the following disclaimer in the 13885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org documentation and/or other materials provided with the distribution. 14885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org 15885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 19885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 22885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 23885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 24885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 25885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org*/ 27885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org 28885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org#ifndef PLC_H 29885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org#define PLC_H 30885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org 31885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org#include "arch.h" 32885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org 33885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org#define LPC_ORDER 24 34885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org 35885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgvoid _celt_lpc(opus_val16 *_lpc, const opus_val32 *ac, int p); 36885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org 37885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgvoid celt_fir(const opus_val16 *x, 38885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org const opus_val16 *num, 39885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org opus_val16 *y, 40885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org int N, 41885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org int ord, 42885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org opus_val16 *mem); 43885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org 44885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.orgvoid celt_iir(const opus_val32 *x, 45885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org const opus_val16 *den, 46885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org opus_val32 *y, 47885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org int N, 48885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org int ord, 49885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org opus_val16 *mem); 50885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org 513c3902f0ac13428394f14f78f0fab05ef3468d69tlegrand@google.comint _celt_autocorr(const opus_val16 *x, opus_val32 *ac, 523c3902f0ac13428394f14f78f0fab05ef3468d69tlegrand@google.com const opus_val16 *window, int overlap, int lag, int n, int arch); 53885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org 54885f2ff5a7a7d6a73432d26a6c0ae9147e6b452sergeyu@chromium.org#endif /* PLC_H */ 55