mirror of https://git.ffmpeg.org/ffmpeg.git
159 lines
7.5 KiB
C
159 lines
7.5 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/x86/cpu.h"
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#include "config.h"
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TX_DECL_FN(fft2, sse3)
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TX_DECL_FN(fft4_fwd, sse2)
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TX_DECL_FN(fft4_inv, sse2)
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TX_DECL_FN(fft8, sse3)
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TX_DECL_FN(fft8_ns, sse3)
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TX_DECL_FN(fft8, avx)
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TX_DECL_FN(fft8_ns, avx)
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TX_DECL_FN(fft16, avx)
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TX_DECL_FN(fft16_ns, avx)
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TX_DECL_FN(fft16, fma3)
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TX_DECL_FN(fft16_ns, fma3)
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TX_DECL_FN(fft32, avx)
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TX_DECL_FN(fft32_ns, avx)
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TX_DECL_FN(fft32, fma3)
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TX_DECL_FN(fft32_ns, fma3)
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TX_DECL_FN(fft_sr, fma3)
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TX_DECL_FN(fft_sr_ns, fma3)
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TX_DECL_FN(fft_sr, avx2)
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TX_DECL_FN(fft_sr_ns, avx2)
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TX_DECL_FN(mdct_sr_inv, avx2)
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TX_DECL_FN(fft8_asm, sse3)
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TX_DECL_FN(fft8_asm, avx)
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TX_DECL_FN(fft16_asm, avx)
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TX_DECL_FN(fft16_asm, fma3)
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TX_DECL_FN(fft32_asm, avx)
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TX_DECL_FN(fft32_asm, fma3)
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TX_DECL_FN(fft_sr_asm, fma3)
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TX_DECL_FN(fft_sr_asm, avx2)
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#define DECL_INIT_FN(basis, interleave) \
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static av_cold int b ##basis## _i ##interleave(AVTXContext *s, \
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const FFTXCodelet *cd, \
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uint64_t flags, \
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FFTXCodeletOptions *opts, \
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int len, int inv, \
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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, \
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basis, interleave); \
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}
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DECL_INIT_FN(8, 0)
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DECL_INIT_FN(8, 2)
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static av_cold int m_inv_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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int ret;
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FFTXCodeletOptions sub_opts = { .invert_lookup = -1 };
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s->scale_d = *((SCALE_TYPE *)scale);
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s->scale_f = s->scale_d;
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flags &= ~FF_TX_OUT_OF_PLACE; /* We want the subtransform to be */
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flags |= AV_TX_INPLACE; /* in-place */
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flags |= FF_TX_PRESHUFFLE; /* This function handles the permute step */
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flags |= FF_TX_ASM_CALL; /* We want an assembly function, not C */
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if ((ret = ff_tx_init_subtx(s, TX_TYPE(FFT), flags, &sub_opts, len >> 1,
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inv, scale)))
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return ret;
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if ((ret = ff_tx_mdct_gen_exp_float(s, s->sub->map)))
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return ret;
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return 0;
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}
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const FFTXCodelet * const ff_tx_codelet_list_float_x86[] = {
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TX_DEF(fft2, FFT, 2, 2, 2, 0, 128, NULL, sse3, SSE3, AV_TX_INPLACE, 0),
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TX_DEF(fft2, FFT, 2, 2, 2, 0, 192, b8_i0, sse3, SSE3, AV_TX_INPLACE | FF_TX_PRESHUFFLE, 0),
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TX_DEF(fft4_fwd, FFT, 4, 4, 2, 0, 128, NULL, sse2, SSE2, AV_TX_INPLACE | FF_TX_FORWARD_ONLY, 0),
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TX_DEF(fft4_fwd, FFT, 4, 4, 2, 0, 192, b8_i0, sse2, SSE2, AV_TX_INPLACE | FF_TX_PRESHUFFLE, 0),
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TX_DEF(fft4_inv, FFT, 4, 4, 2, 0, 128, NULL, sse2, SSE2, AV_TX_INPLACE | FF_TX_INVERSE_ONLY, 0),
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TX_DEF(fft8, FFT, 8, 8, 2, 0, 128, b8_i0, sse3, SSE3, AV_TX_INPLACE, 0),
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TX_DEF(fft8_asm, FFT, 8, 8, 2, 0, 192, b8_i0, sse3, SSE3,
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AV_TX_INPLACE | FF_TX_PRESHUFFLE | FF_TX_ASM_CALL, 0),
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TX_DEF(fft8_ns, FFT, 8, 8, 2, 0, 192, b8_i0, sse3, SSE3, AV_TX_INPLACE | FF_TX_PRESHUFFLE, 0),
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TX_DEF(fft8, FFT, 8, 8, 2, 0, 256, b8_i0, avx, AVX, AV_TX_INPLACE, AV_CPU_FLAG_AVXSLOW),
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TX_DEF(fft8_asm, FFT, 8, 8, 2, 0, 320, b8_i0, avx, AVX,
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AV_TX_INPLACE | FF_TX_PRESHUFFLE | FF_TX_ASM_CALL, AV_CPU_FLAG_AVXSLOW),
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TX_DEF(fft8_ns, FFT, 8, 8, 2, 0, 320, b8_i0, avx, AVX, AV_TX_INPLACE | FF_TX_PRESHUFFLE,
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AV_CPU_FLAG_AVXSLOW),
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TX_DEF(fft16, FFT, 16, 16, 2, 0, 256, b8_i2, avx, AVX, AV_TX_INPLACE, AV_CPU_FLAG_AVXSLOW),
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TX_DEF(fft16_asm, FFT, 16, 16, 2, 0, 320, b8_i2, avx, AVX,
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AV_TX_INPLACE | FF_TX_PRESHUFFLE | FF_TX_ASM_CALL, AV_CPU_FLAG_AVXSLOW),
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TX_DEF(fft16_ns, FFT, 16, 16, 2, 0, 320, b8_i2, avx, AVX, AV_TX_INPLACE | FF_TX_PRESHUFFLE,
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AV_CPU_FLAG_AVXSLOW),
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TX_DEF(fft16, FFT, 16, 16, 2, 0, 288, b8_i2, fma3, FMA3, AV_TX_INPLACE, AV_CPU_FLAG_AVXSLOW),
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TX_DEF(fft16_asm, FFT, 16, 16, 2, 0, 352, b8_i2, fma3, FMA3,
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AV_TX_INPLACE | FF_TX_PRESHUFFLE | FF_TX_ASM_CALL, AV_CPU_FLAG_AVXSLOW),
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TX_DEF(fft16_ns, FFT, 16, 16, 2, 0, 352, b8_i2, fma3, FMA3, AV_TX_INPLACE | FF_TX_PRESHUFFLE,
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AV_CPU_FLAG_AVXSLOW),
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#if ARCH_X86_64
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TX_DEF(fft32, FFT, 32, 32, 2, 0, 256, b8_i2, avx, AVX, AV_TX_INPLACE, AV_CPU_FLAG_AVXSLOW),
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TX_DEF(fft32_asm, FFT, 32, 32, 2, 0, 320, b8_i2, avx, AVX,
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AV_TX_INPLACE | FF_TX_PRESHUFFLE | FF_TX_ASM_CALL, AV_CPU_FLAG_AVXSLOW),
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TX_DEF(fft32_ns, FFT, 32, 32, 2, 0, 320, b8_i2, avx, AVX, AV_TX_INPLACE | FF_TX_PRESHUFFLE,
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AV_CPU_FLAG_AVXSLOW),
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TX_DEF(fft32, FFT, 32, 32, 2, 0, 288, b8_i2, fma3, FMA3, AV_TX_INPLACE, AV_CPU_FLAG_AVXSLOW),
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TX_DEF(fft32_asm, FFT, 32, 32, 2, 0, 352, b8_i2, fma3, FMA3,
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AV_TX_INPLACE | FF_TX_PRESHUFFLE | FF_TX_ASM_CALL, AV_CPU_FLAG_AVXSLOW),
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TX_DEF(fft32_ns, FFT, 32, 32, 2, 0, 352, b8_i2, fma3, FMA3, AV_TX_INPLACE | FF_TX_PRESHUFFLE,
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AV_CPU_FLAG_AVXSLOW),
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TX_DEF(fft_sr, FFT, 64, 131072, 2, 0, 288, b8_i2, fma3, FMA3, 0, AV_CPU_FLAG_AVXSLOW),
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TX_DEF(fft_sr_asm, FFT, 64, 131072, 2, 0, 352, b8_i2, fma3, FMA3,
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AV_TX_INPLACE | FF_TX_PRESHUFFLE | FF_TX_ASM_CALL, AV_CPU_FLAG_AVXSLOW),
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TX_DEF(fft_sr_ns, FFT, 64, 131072, 2, 0, 352, b8_i2, fma3, FMA3, AV_TX_INPLACE | FF_TX_PRESHUFFLE,
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AV_CPU_FLAG_AVXSLOW),
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#if HAVE_AVX2_EXTERNAL
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TX_DEF(fft_sr, FFT, 64, 131072, 2, 0, 320, b8_i2, avx2, AVX2, 0,
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AV_CPU_FLAG_AVXSLOW | AV_CPU_FLAG_SLOW_GATHER),
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TX_DEF(fft_sr_asm, FFT, 64, 131072, 2, 0, 384, b8_i2, avx2, AVX2,
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AV_TX_INPLACE | FF_TX_PRESHUFFLE | FF_TX_ASM_CALL, AV_CPU_FLAG_AVXSLOW | AV_CPU_FLAG_SLOW_GATHER),
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TX_DEF(fft_sr_ns, FFT, 64, 131072, 2, 0, 384, b8_i2, avx2, AVX2, AV_TX_INPLACE | FF_TX_PRESHUFFLE,
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AV_CPU_FLAG_AVXSLOW | AV_CPU_FLAG_SLOW_GATHER),
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TX_DEF(mdct_sr_inv, MDCT, 16, TX_LEN_UNLIMITED, 2, TX_FACTOR_ANY, 384, m_inv_init, avx2, AVX2,
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FF_TX_INVERSE_ONLY, AV_CPU_FLAG_AVXSLOW | AV_CPU_FLAG_SLOW_GATHER),
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#endif
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#endif
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NULL,
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};
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