/* Copyright (c) 2007-2008 CSIRO Copyright (c) 2007-2009 Xiph.Org Foundation
Written by Jean-Marc Valin */ /** @file pitch.h @brief Pitch analysis
*/
/* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef OVERRIDE_DUAL_INNER_PROD # define dual_inner_prod(x, y01, y02, N, xy1, xy2, arch) \
((void)(arch),dual_inner_prod_c(x, y01, y02, N, xy1, xy2)) #endif
/*We make sure a C version is always available for cases where the overhead of
vectorization and passing around an arch flag aren't worth it.*/ static OPUS_INLINE opus_val32 celt_inner_prod_c(const opus_val16 *x, const opus_val16 *y, int N)
{ int i;
opus_val32 xy=0; for (i=0;i<N;i++)
xy = MAC16_16(xy, x[i], y[i]); return xy;
}
#if !defined(OVERRIDE_CELT_INNER_PROD) # define celt_inner_prod(x, y, N, arch) \
((void)(arch),celt_inner_prod_c(x, y, N)) #endif
#ifdef NON_STATIC_COMB_FILTER_CONST_C void comb_filter_const_c(opus_val32 *y, opus_val32 *x, int T, int N,
opus_val16 g10, opus_val16 g11, opus_val16 g12); #endif
#ifdef FIXED_POINT
opus_val32 #else void #endif
celt_pitch_xcorr_c(const opus_val16 *_x, const opus_val16 *_y,
opus_val32 *xcorr, int len, int max_pitch, int arch);
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