1*a58d3d2aSXin Li /* Copyright (c) 2015 Xiph.Org Foundation 2*a58d3d2aSXin Li Written by Viswanath Puttagunta */ 3*a58d3d2aSXin Li /** 4*a58d3d2aSXin Li @file arm_mdct.h 5*a58d3d2aSXin Li @brief ARM Neon Intrinsic optimizations for mdct using NE10 library 6*a58d3d2aSXin Li */ 7*a58d3d2aSXin Li 8*a58d3d2aSXin Li /* 9*a58d3d2aSXin Li Redistribution and use in source and binary forms, with or without 10*a58d3d2aSXin Li modification, are permitted provided that the following conditions 11*a58d3d2aSXin Li are met: 12*a58d3d2aSXin Li 13*a58d3d2aSXin Li - Redistributions of source code must retain the above copyright 14*a58d3d2aSXin Li notice, this list of conditions and the following disclaimer. 15*a58d3d2aSXin Li 16*a58d3d2aSXin Li - Redistributions in binary form must reproduce the above copyright 17*a58d3d2aSXin Li notice, this list of conditions and the following disclaimer in the 18*a58d3d2aSXin Li documentation and/or other materials provided with the distribution. 19*a58d3d2aSXin Li 20*a58d3d2aSXin Li THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21*a58d3d2aSXin Li ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22*a58d3d2aSXin Li LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23*a58d3d2aSXin Li A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 24*a58d3d2aSXin Li OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25*a58d3d2aSXin Li EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26*a58d3d2aSXin Li PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 27*a58d3d2aSXin Li PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 28*a58d3d2aSXin Li LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 29*a58d3d2aSXin Li NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 30*a58d3d2aSXin Li SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31*a58d3d2aSXin Li */ 32*a58d3d2aSXin Li 33*a58d3d2aSXin Li #if !defined(MDCT_ARM_H) 34*a58d3d2aSXin Li #define MDCT_ARM_H 35*a58d3d2aSXin Li 36*a58d3d2aSXin Li #include "mdct.h" 37*a58d3d2aSXin Li 38*a58d3d2aSXin Li #if defined(HAVE_ARM_NE10) 39*a58d3d2aSXin Li /** Compute a forward MDCT and scale by 4/N, trashes the input array */ 40*a58d3d2aSXin Li void clt_mdct_forward_neon(const mdct_lookup *l, kiss_fft_scalar *in, 41*a58d3d2aSXin Li kiss_fft_scalar * OPUS_RESTRICT out, 42*a58d3d2aSXin Li const opus_val16 *window, int overlap, 43*a58d3d2aSXin Li int shift, int stride, int arch); 44*a58d3d2aSXin Li 45*a58d3d2aSXin Li void clt_mdct_backward_neon(const mdct_lookup *l, kiss_fft_scalar *in, 46*a58d3d2aSXin Li kiss_fft_scalar * OPUS_RESTRICT out, 47*a58d3d2aSXin Li const opus_val16 *window, int overlap, 48*a58d3d2aSXin Li int shift, int stride, int arch); 49*a58d3d2aSXin Li 50*a58d3d2aSXin Li #if !defined(OPUS_HAVE_RTCD) 51*a58d3d2aSXin Li #define OVERRIDE_OPUS_MDCT (1) 52*a58d3d2aSXin Li #define clt_mdct_forward(_l, _in, _out, _window, _int, _shift, _stride, _arch) \ 53*a58d3d2aSXin Li clt_mdct_forward_neon(_l, _in, _out, _window, _int, _shift, _stride, _arch) 54*a58d3d2aSXin Li #define clt_mdct_backward(_l, _in, _out, _window, _int, _shift, _stride, _arch) \ 55*a58d3d2aSXin Li clt_mdct_backward_neon(_l, _in, _out, _window, _int, _shift, _stride, _arch) 56*a58d3d2aSXin Li #endif /* OPUS_HAVE_RTCD */ 57*a58d3d2aSXin Li #endif /* HAVE_ARM_NE10 */ 58*a58d3d2aSXin Li 59*a58d3d2aSXin Li #endif 60