| /* Copyright (c) 2015 Xiph.Org Foundation |
| Written by Viswanath Puttagunta */ |
| /** |
| @file fft_arm.h |
| @brief ARM Neon Intrinsic optimizations for fft using NE10 library |
| */ |
| |
| /* |
| 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. |
| */ |
| |
| |
| #if !defined(FFT_ARM_H) |
| #define FFT_ARM_H |
| |
| #include "config.h" |
| #include "kiss_fft.h" |
| |
| #if defined(HAVE_ARM_NE10) |
| |
| int opus_fft_alloc_arm_neon(kiss_fft_state *st); |
| void opus_fft_free_arm_neon(kiss_fft_state *st); |
| |
| void opus_fft_neon(const kiss_fft_state *st, |
| const kiss_fft_cpx *fin, |
| kiss_fft_cpx *fout); |
| |
| void opus_ifft_neon(const kiss_fft_state *st, |
| const kiss_fft_cpx *fin, |
| kiss_fft_cpx *fout); |
| |
| #if !defined(OPUS_HAVE_RTCD) |
| #define OVERRIDE_OPUS_FFT (1) |
| |
| #define opus_fft_alloc_arch(_st, arch) \ |
| ((void)(arch), opus_fft_alloc_arm_neon(_st)) |
| |
| #define opus_fft_free_arch(_st, arch) \ |
| ((void)(arch), opus_fft_free_arm_neon(_st)) |
| |
| #define opus_fft(_st, _fin, _fout, arch) \ |
| ((void)(arch), opus_fft_neon(_st, _fin, _fout)) |
| |
| #define opus_ifft(_st, _fin, _fout, arch) \ |
| ((void)(arch), opus_ifft_neon(_st, _fin, _fout)) |
| |
| #endif /* OPUS_HAVE_RTCD */ |
| |
| #endif /* HAVE_ARM_NE10 */ |
| |
| #endif |