diff options
Diffstat (limited to 'drivers/opus/celt/arm/celt_ne10_fft.c')
| -rw-r--r-- | drivers/opus/celt/arm/celt_ne10_fft.c | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/drivers/opus/celt/arm/celt_ne10_fft.c b/drivers/opus/celt/arm/celt_ne10_fft.c deleted file mode 100644 index e57d23ee1d..0000000000 --- a/drivers/opus/celt/arm/celt_ne10_fft.c +++ /dev/null @@ -1,172 +0,0 @@ -/* Copyright (c) 2015 Xiph.Org Foundation - Written by Viswanath Puttagunta */ -/** - @file celt_ne10_fft.c - @brief ARM Neon 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. -*/ - -#ifndef SKIP_CONFIG_H -#include "opus/opus_config.h" -#endif - -#include <NE10_init.h> -#include <NE10_dsp.h> -#include "opus/celt/os_support.h" -#include "opus/celt/kiss_fft.h" -#include "opus/celt/stack_alloc.h" - -#if !defined(FIXED_POINT) -# define NE10_FFT_ALLOC_C2C_TYPE_NEON ne10_fft_alloc_c2c_float32_neon -# define NE10_FFT_CFG_TYPE_T ne10_fft_cfg_float32_t -# define NE10_FFT_STATE_TYPE_T ne10_fft_state_float32_t -# define NE10_FFT_DESTROY_C2C_TYPE ne10_fft_destroy_c2c_float32 -# define NE10_FFT_CPX_TYPE_T ne10_fft_cpx_float32_t -# define NE10_FFT_C2C_1D_TYPE_NEON ne10_fft_c2c_1d_float32_neon -#else -# define NE10_FFT_ALLOC_C2C_TYPE_NEON(nfft) ne10_fft_alloc_c2c_int32_neon(nfft) -# define NE10_FFT_CFG_TYPE_T ne10_fft_cfg_int32_t -# define NE10_FFT_STATE_TYPE_T ne10_fft_state_int32_t -# define NE10_FFT_DESTROY_C2C_TYPE ne10_fft_destroy_c2c_int32 -# define NE10_FFT_DESTROY_C2C_TYPE ne10_fft_destroy_c2c_int32 -# define NE10_FFT_CPX_TYPE_T ne10_fft_cpx_int32_t -# define NE10_FFT_C2C_1D_TYPE_NEON ne10_fft_c2c_1d_int32_neon -#endif - -#if defined(CUSTOM_MODES) - -/* nfft lengths in NE10 that support scaled fft */ -# define NE10_FFTSCALED_SUPPORT_MAX 4 -static const int ne10_fft_scaled_support[NE10_FFTSCALED_SUPPORT_MAX] = { - 480, 240, 120, 60 -}; - -int opus_fft_alloc_arm_neon(kiss_fft_state *st) -{ - int i; - size_t memneeded = sizeof(struct arch_fft_state); - - st->arch_fft = (arch_fft_state *)opus_alloc(memneeded); - if (!st->arch_fft) - return -1; - - for (i = 0; i < NE10_FFTSCALED_SUPPORT_MAX; i++) { - if(st->nfft == ne10_fft_scaled_support[i]) - break; - } - if (i == NE10_FFTSCALED_SUPPORT_MAX) { - /* This nfft length (scaled fft) is not supported in NE10 */ - st->arch_fft->is_supported = 0; - st->arch_fft->priv = NULL; - } - else { - st->arch_fft->is_supported = 1; - st->arch_fft->priv = (void *)NE10_FFT_ALLOC_C2C_TYPE_NEON(st->nfft); - if (st->arch_fft->priv == NULL) { - return -1; - } - } - return 0; -} - -void opus_fft_free_arm_neon(kiss_fft_state *st) -{ - NE10_FFT_CFG_TYPE_T cfg; - - if (!st->arch_fft) - return; - - cfg = (NE10_FFT_CFG_TYPE_T)st->arch_fft->priv; - if (cfg) - NE10_FFT_DESTROY_C2C_TYPE(cfg); - opus_free(st->arch_fft); -} -#endif - -void opus_fft_neon(const kiss_fft_state *st, - const kiss_fft_cpx *fin, - kiss_fft_cpx *fout) -{ - NE10_FFT_STATE_TYPE_T state; - NE10_FFT_CFG_TYPE_T cfg = &state; - VARDECL(NE10_FFT_CPX_TYPE_T, buffer); - SAVE_STACK; - ALLOC(buffer, st->nfft, NE10_FFT_CPX_TYPE_T); - - if (!st->arch_fft->is_supported) { - /* This nfft length (scaled fft) not supported in NE10 */ - opus_fft_c(st, fin, fout); - } - else { - memcpy((void *)cfg, st->arch_fft->priv, sizeof(NE10_FFT_STATE_TYPE_T)); - state.buffer = (NE10_FFT_CPX_TYPE_T *)&buffer[0]; -#if !defined(FIXED_POINT) - state.is_forward_scaled = 1; - - NE10_FFT_C2C_1D_TYPE_NEON((NE10_FFT_CPX_TYPE_T *)fout, - (NE10_FFT_CPX_TYPE_T *)fin, - cfg, 0); -#else - NE10_FFT_C2C_1D_TYPE_NEON((NE10_FFT_CPX_TYPE_T *)fout, - (NE10_FFT_CPX_TYPE_T *)fin, - cfg, 0, 1); -#endif - } - RESTORE_STACK; -} - -void opus_ifft_neon(const kiss_fft_state *st, - const kiss_fft_cpx *fin, - kiss_fft_cpx *fout) -{ - NE10_FFT_STATE_TYPE_T state; - NE10_FFT_CFG_TYPE_T cfg = &state; - VARDECL(NE10_FFT_CPX_TYPE_T, buffer); - SAVE_STACK; - ALLOC(buffer, st->nfft, NE10_FFT_CPX_TYPE_T); - - if (!st->arch_fft->is_supported) { - /* This nfft length (scaled fft) not supported in NE10 */ - opus_ifft_c(st, fin, fout); - } - else { - memcpy((void *)cfg, st->arch_fft->priv, sizeof(NE10_FFT_STATE_TYPE_T)); - state.buffer = (NE10_FFT_CPX_TYPE_T *)&buffer[0]; -#if !defined(FIXED_POINT) - state.is_backward_scaled = 0; - - NE10_FFT_C2C_1D_TYPE_NEON((NE10_FFT_CPX_TYPE_T *)fout, - (NE10_FFT_CPX_TYPE_T *)fin, - cfg, 1); -#else - NE10_FFT_C2C_1D_TYPE_NEON((NE10_FFT_CPX_TYPE_T *)fout, - (NE10_FFT_CPX_TYPE_T *)fin, - cfg, 1, 0); -#endif - } - RESTORE_STACK; -} |