mirror of
https://github.com/FFmpeg/FFmpeg.git
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143 lines
6.8 KiB
C
143 lines
6.8 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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/* These versions already do what we need them to do. */
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#define ff_tx_fft2_ns_float_sse3 ff_tx_fft2_float_sse3
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#define ff_tx_fft4_ns_float_sse2 ff_tx_fft4_fwd_float_sse2
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#define DECL_INIT_FN(basis, interleave) \
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static av_cold int \
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ff_tx_fft_sr_codelet_init_b ##basis## _i ##interleave## _x86 \
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(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, inv_lookup, \
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basis, interleave); \
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}
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#define ff_tx_fft_sr_codelet_init_b0_i0_x86 NULL
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DECL_INIT_FN(8, 0)
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DECL_INIT_FN(8, 2)
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#define DECL_CD_DEF(fn, t, min, max, f1, f2, i, p, c, f) \
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void ff_tx_ ##fn(AVTXContext *s, void *out, void *in, ptrdiff_t stride); \
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static const FFTXCodelet ff_tx_ ##fn## _def = { \
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.name = #fn, \
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.function = ff_tx_ ##fn, \
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.type = TX_TYPE(t), \
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.flags = FF_TX_ALIGNED | f, \
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.factors = { f1, f2 }, \
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.min_len = min, \
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.max_len = max, \
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.init = ff_tx_ ##i## _x86, \
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.cpu_flags = c, \
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.prio = p, \
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};
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#define DECL_SR_CD_DEF(fn_name, len, init_fn, fn_prio, cpu, fn_flags) \
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DECL_CD_DEF(fn_name, FFT, len, len, 2, 0, \
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fft_sr_codelet_init_ ##init_fn, fn_prio, \
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AV_CPU_FLAG_ ##cpu, FF_TX_OUT_OF_PLACE | fn_flags)
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DECL_SR_CD_DEF(fft2_float_sse3, 2, b0_i0, 128, SSE3, AV_TX_INPLACE)
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DECL_SR_CD_DEF(fft2_ns_float_sse3, 2, b8_i0, 192, SSE3, AV_TX_INPLACE | FF_TX_PRESHUFFLE)
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DECL_SR_CD_DEF(fft4_fwd_float_sse2, 4, b0_i0, 128, SSE2, AV_TX_INPLACE | FF_TX_FORWARD_ONLY)
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DECL_SR_CD_DEF(fft4_inv_float_sse2, 4, b0_i0, 128, SSE2, AV_TX_INPLACE | FF_TX_INVERSE_ONLY)
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DECL_SR_CD_DEF(fft4_ns_float_sse2, 4, b8_i0, 192, SSE2, AV_TX_INPLACE | FF_TX_PRESHUFFLE)
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DECL_SR_CD_DEF(fft8_float_sse3, 8, b8_i0, 128, SSE3, AV_TX_INPLACE)
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DECL_SR_CD_DEF(fft8_ns_float_sse3, 8, b8_i0, 192, SSE3, AV_TX_INPLACE | FF_TX_PRESHUFFLE)
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DECL_SR_CD_DEF(fft8_float_avx, 8, b8_i0, 256, AVX, AV_TX_INPLACE)
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DECL_SR_CD_DEF(fft8_ns_float_avx, 8, b8_i0, 320, AVX, AV_TX_INPLACE | FF_TX_PRESHUFFLE)
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DECL_SR_CD_DEF(fft16_float_avx, 16, b8_i2, 256, AVX, AV_TX_INPLACE)
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DECL_SR_CD_DEF(fft16_ns_float_avx, 16, b8_i2, 320, AVX, AV_TX_INPLACE | FF_TX_PRESHUFFLE)
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DECL_SR_CD_DEF(fft16_float_fma3, 16, b8_i2, 288, FMA3, AV_TX_INPLACE)
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DECL_SR_CD_DEF(fft16_ns_float_fma3, 16, b8_i2, 352, FMA3, AV_TX_INPLACE | FF_TX_PRESHUFFLE)
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#if ARCH_X86_64
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DECL_SR_CD_DEF(fft32_float_avx, 32, b8_i2, 256, AVX, AV_TX_INPLACE)
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DECL_SR_CD_DEF(fft32_ns_float_avx, 32, b8_i2, 320, AVX, AV_TX_INPLACE | FF_TX_PRESHUFFLE)
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DECL_SR_CD_DEF(fft32_float_fma3, 32, b8_i2, 288, FMA3, AV_TX_INPLACE)
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DECL_SR_CD_DEF(fft32_ns_float_fma3, 32, b8_i2, 352, FMA3, AV_TX_INPLACE | FF_TX_PRESHUFFLE)
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DECL_CD_DEF(fft_sr_float_avx, FFT, 64, 131072, 2, 0, fft_sr_codelet_init_b8_i2,
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256, AV_CPU_FLAG_AVX,
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FF_TX_OUT_OF_PLACE)
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DECL_CD_DEF(fft_sr_ns_float_avx, FFT, 64, 131072, 2, 0, fft_sr_codelet_init_b8_i2,
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320, AV_CPU_FLAG_AVX,
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FF_TX_OUT_OF_PLACE | AV_TX_INPLACE | FF_TX_PRESHUFFLE)
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#if HAVE_AVX2_EXTERNAL
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DECL_CD_DEF(fft_sr_float_avx2, FFT, 64, 131072, 2, 0, fft_sr_codelet_init_b8_i2,
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288, AV_CPU_FLAG_AVX2,
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FF_TX_OUT_OF_PLACE)
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DECL_CD_DEF(fft_sr_ns_float_avx2, FFT, 64, 131072, 2, 0, fft_sr_codelet_init_b8_i2,
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352, AV_CPU_FLAG_AVX2,
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FF_TX_OUT_OF_PLACE | AV_TX_INPLACE | FF_TX_PRESHUFFLE)
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#endif
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#endif
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const FFTXCodelet * const ff_tx_codelet_list_float_x86[] = {
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&ff_tx_fft2_float_sse3_def,
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&ff_tx_fft2_ns_float_sse3_def,
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&ff_tx_fft4_fwd_float_sse2_def,
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&ff_tx_fft4_inv_float_sse2_def,
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&ff_tx_fft4_ns_float_sse2_def,
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&ff_tx_fft8_float_sse3_def,
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&ff_tx_fft8_ns_float_sse3_def,
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&ff_tx_fft8_float_avx_def,
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&ff_tx_fft8_ns_float_avx_def,
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&ff_tx_fft16_float_avx_def,
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&ff_tx_fft16_ns_float_avx_def,
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&ff_tx_fft16_float_fma3_def,
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&ff_tx_fft16_ns_float_fma3_def,
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#if ARCH_X86_64
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&ff_tx_fft32_float_avx_def,
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&ff_tx_fft32_ns_float_avx_def,
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&ff_tx_fft32_float_fma3_def,
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&ff_tx_fft32_ns_float_fma3_def,
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&ff_tx_fft_sr_float_avx_def,
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&ff_tx_fft_sr_ns_float_avx_def,
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#if HAVE_AVX2_EXTERNAL
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&ff_tx_fft_sr_float_avx2_def,
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&ff_tx_fft_sr_ns_float_avx2_def,
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#endif
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#endif
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NULL,
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};
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