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