mirror of
https://github.com/FFmpeg/FFmpeg.git
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66 lines
3.0 KiB
C
66 lines
3.0 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#define TX_FLOAT
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#include "libavutil/tx_priv.h"
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#include "libavutil/attributes.h"
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#include "libavutil/aarch64/cpu.h"
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TX_DECL_FN(fft2, neon)
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TX_DECL_FN(fft4_fwd, neon)
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TX_DECL_FN(fft4_inv, neon)
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TX_DECL_FN(fft8, neon)
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TX_DECL_FN(fft8_ns, neon)
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TX_DECL_FN(fft16, neon)
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TX_DECL_FN(fft16_ns, neon)
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TX_DECL_FN(fft32, neon)
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TX_DECL_FN(fft32_ns, neon)
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TX_DECL_FN(fft_sr, neon)
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TX_DECL_FN(fft_sr_ns, neon)
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static av_cold int neon_init(AVTXContext *s, const FFTXCodelet *cd,
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uint64_t flags, FFTXCodeletOptions *opts,
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int len, int inv, const void *scale)
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{
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const int inv_lookup = opts ? opts->invert_lookup : 1;
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ff_tx_init_tabs_float(len);
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if (cd->max_len == 2)
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return ff_tx_gen_ptwo_revtab(s, inv_lookup);
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else
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return ff_tx_gen_split_radix_parity_revtab(s, len, inv, inv_lookup, 8, 0);
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}
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const FFTXCodelet * const ff_tx_codelet_list_float_aarch64[] = {
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TX_DEF(fft2, FFT, 2, 2, 2, 0, 128, NULL, neon, NEON, AV_TX_INPLACE, 0),
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TX_DEF(fft2, FFT, 2, 2, 2, 0, 192, neon_init, neon, NEON, AV_TX_INPLACE | FF_TX_PRESHUFFLE, 0),
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TX_DEF(fft4_fwd, FFT, 4, 4, 2, 0, 128, NULL, neon, NEON, AV_TX_INPLACE | FF_TX_FORWARD_ONLY, 0),
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TX_DEF(fft4_fwd, FFT, 4, 4, 2, 0, 192, neon_init, neon, NEON, AV_TX_INPLACE | FF_TX_PRESHUFFLE, 0),
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TX_DEF(fft4_inv, FFT, 4, 4, 2, 0, 128, NULL, neon, NEON, AV_TX_INPLACE | FF_TX_INVERSE_ONLY, 0),
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TX_DEF(fft8, FFT, 8, 8, 2, 0, 128, neon_init, neon, NEON, AV_TX_INPLACE, 0),
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TX_DEF(fft8_ns, FFT, 8, 8, 2, 0, 192, neon_init, neon, NEON, AV_TX_INPLACE | FF_TX_PRESHUFFLE, 0),
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TX_DEF(fft16, FFT, 16, 16, 2, 0, 128, neon_init, neon, NEON, AV_TX_INPLACE, 0),
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TX_DEF(fft16_ns, FFT, 16, 16, 2, 0, 192, neon_init, neon, NEON, AV_TX_INPLACE | FF_TX_PRESHUFFLE, 0),
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TX_DEF(fft32, FFT, 32, 32, 2, 0, 128, neon_init, neon, NEON, AV_TX_INPLACE, 0),
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TX_DEF(fft32_ns, FFT, 32, 32, 2, 0, 192, neon_init, neon, NEON, AV_TX_INPLACE | FF_TX_PRESHUFFLE, 0),
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TX_DEF(fft_sr, FFT, 64, 131072, 2, 0, 128, neon_init, neon, NEON, 0, 0),
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TX_DEF(fft_sr_ns, FFT, 64, 131072, 2, 0, 192, neon_init, neon, NEON, AV_TX_INPLACE | FF_TX_PRESHUFFLE, 0),
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NULL,
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};
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