annotate src/opus-1.3/celt/celt_lpc.h @ 169:223a55898ab9 tip default

Add null config files
author Chris Cannam <cannam@all-day-breakfast.com>
date Mon, 02 Mar 2020 14:03:47 +0000
parents 4664ac0c1032
children
rev   line source
cannam@154 1 /* Copyright (c) 2009-2010 Xiph.Org Foundation
cannam@154 2 Written by Jean-Marc Valin */
cannam@154 3 /*
cannam@154 4 Redistribution and use in source and binary forms, with or without
cannam@154 5 modification, are permitted provided that the following conditions
cannam@154 6 are met:
cannam@154 7
cannam@154 8 - Redistributions of source code must retain the above copyright
cannam@154 9 notice, this list of conditions and the following disclaimer.
cannam@154 10
cannam@154 11 - Redistributions in binary form must reproduce the above copyright
cannam@154 12 notice, this list of conditions and the following disclaimer in the
cannam@154 13 documentation and/or other materials provided with the distribution.
cannam@154 14
cannam@154 15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
cannam@154 16 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
cannam@154 17 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
cannam@154 18 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
cannam@154 19 OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
cannam@154 20 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
cannam@154 21 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
cannam@154 22 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
cannam@154 23 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
cannam@154 24 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
cannam@154 25 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
cannam@154 26 */
cannam@154 27
cannam@154 28 #ifndef PLC_H
cannam@154 29 #define PLC_H
cannam@154 30
cannam@154 31 #include "arch.h"
cannam@154 32 #include "cpu_support.h"
cannam@154 33
cannam@154 34 #if defined(OPUS_X86_MAY_HAVE_SSE4_1)
cannam@154 35 #include "x86/celt_lpc_sse.h"
cannam@154 36 #endif
cannam@154 37
cannam@154 38 #define LPC_ORDER 24
cannam@154 39
cannam@154 40 void _celt_lpc(opus_val16 *_lpc, const opus_val32 *ac, int p);
cannam@154 41
cannam@154 42 void celt_fir_c(
cannam@154 43 const opus_val16 *x,
cannam@154 44 const opus_val16 *num,
cannam@154 45 opus_val16 *y,
cannam@154 46 int N,
cannam@154 47 int ord,
cannam@154 48 int arch);
cannam@154 49
cannam@154 50 #if !defined(OVERRIDE_CELT_FIR)
cannam@154 51 #define celt_fir(x, num, y, N, ord, arch) \
cannam@154 52 (celt_fir_c(x, num, y, N, ord, arch))
cannam@154 53 #endif
cannam@154 54
cannam@154 55 void celt_iir(const opus_val32 *x,
cannam@154 56 const opus_val16 *den,
cannam@154 57 opus_val32 *y,
cannam@154 58 int N,
cannam@154 59 int ord,
cannam@154 60 opus_val16 *mem,
cannam@154 61 int arch);
cannam@154 62
cannam@154 63 int _celt_autocorr(const opus_val16 *x, opus_val32 *ac,
cannam@154 64 const opus_val16 *window, int overlap, int lag, int n, int arch);
cannam@154 65
cannam@154 66 #endif /* PLC_H */