cannam@154: /* Copyright (c) 2015 Xiph.Org Foundation
cannam@154:    Written by Viswanath Puttagunta */
cannam@154: /**
cannam@154:    @file fft_arm.h
cannam@154:    @brief ARM Neon Intrinsic optimizations for fft using NE10 library
cannam@154:  */
cannam@154: 
cannam@154: /*
cannam@154:    Redistribution and use in source and binary forms, with or without
cannam@154:    modification, are permitted provided that the following conditions
cannam@154:    are met:
cannam@154: 
cannam@154:    - Redistributions of source code must retain the above copyright
cannam@154:    notice, this list of conditions and the following disclaimer.
cannam@154: 
cannam@154:    - Redistributions in binary form must reproduce the above copyright
cannam@154:    notice, this list of conditions and the following disclaimer in the
cannam@154:    documentation and/or other materials provided with the distribution.
cannam@154: 
cannam@154:    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
cannam@154:    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
cannam@154:    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
cannam@154:    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
cannam@154:    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
cannam@154:    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
cannam@154:    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
cannam@154:    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
cannam@154:    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
cannam@154:    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
cannam@154:    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
cannam@154: */
cannam@154: 
cannam@154: 
cannam@154: #if !defined(FFT_ARM_H)
cannam@154: #define FFT_ARM_H
cannam@154: 
cannam@154: #include "kiss_fft.h"
cannam@154: 
cannam@154: #if defined(HAVE_ARM_NE10)
cannam@154: 
cannam@154: int opus_fft_alloc_arm_neon(kiss_fft_state *st);
cannam@154: void opus_fft_free_arm_neon(kiss_fft_state *st);
cannam@154: 
cannam@154: void opus_fft_neon(const kiss_fft_state *st,
cannam@154:                    const kiss_fft_cpx *fin,
cannam@154:                    kiss_fft_cpx *fout);
cannam@154: 
cannam@154: void opus_ifft_neon(const kiss_fft_state *st,
cannam@154:                     const kiss_fft_cpx *fin,
cannam@154:                     kiss_fft_cpx *fout);
cannam@154: 
cannam@154: #if !defined(OPUS_HAVE_RTCD)
cannam@154: #define OVERRIDE_OPUS_FFT (1)
cannam@154: 
cannam@154: #define opus_fft_alloc_arch(_st, arch) \
cannam@154:    ((void)(arch), opus_fft_alloc_arm_neon(_st))
cannam@154: 
cannam@154: #define opus_fft_free_arch(_st, arch) \
cannam@154:    ((void)(arch), opus_fft_free_arm_neon(_st))
cannam@154: 
cannam@154: #define opus_fft(_st, _fin, _fout, arch) \
cannam@154:    ((void)(arch), opus_fft_neon(_st, _fin, _fout))
cannam@154: 
cannam@154: #define opus_ifft(_st, _fin, _fout, arch) \
cannam@154:    ((void)(arch), opus_ifft_neon(_st, _fin, _fout))
cannam@154: 
cannam@154: #endif /* OPUS_HAVE_RTCD */
cannam@154: 
cannam@154: #endif /* HAVE_ARM_NE10 */
cannam@154: 
cannam@154: #endif