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https://github.com/librempeg/librempeg
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aea0f06db7
jpeg2000_ict_float_c: 2296.0 jpeg2000_ict_float_sse: 628.0 jpeg2000_ict_float_avx: 317.0 jpeg2000_ict_float_fma3: 262.0 Signed-off-by: James Almer <jamrial@gmail.com>
61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
/*
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* SIMD optimized JPEG 2000 DSP functions
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* Copyright (c) 2015 James Almer
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*
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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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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/x86/cpu.h"
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#include "libavcodec/jpeg2000dsp.h"
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void ff_ict_float_sse(void *src0, void *src1, void *src2, int csize);
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void ff_ict_float_avx(void *src0, void *src1, void *src2, int csize);
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void ff_ict_float_fma3(void *src0, void *src1, void *src2, int csize);
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void ff_ict_float_fma4(void *src0, void *src1, void *src2, int csize);
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void ff_rct_int_sse2 (void *src0, void *src1, void *src2, int csize);
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void ff_rct_int_avx2 (void *src0, void *src1, void *src2, int csize);
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av_cold void ff_jpeg2000dsp_init_x86(Jpeg2000DSPContext *c)
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{
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int cpu_flags = av_get_cpu_flags();
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if (EXTERNAL_SSE(cpu_flags)) {
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c->mct_decode[FF_DWT97] = ff_ict_float_sse;
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}
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if (EXTERNAL_SSE2(cpu_flags)) {
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c->mct_decode[FF_DWT53] = ff_rct_int_sse2;
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}
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if (EXTERNAL_AVX_FAST(cpu_flags)) {
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c->mct_decode[FF_DWT97] = ff_ict_float_avx;
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}
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if (EXTERNAL_FMA4(cpu_flags)) {
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c->mct_decode[FF_DWT97] = ff_ict_float_fma4;
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}
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if (EXTERNAL_FMA3_FAST(cpu_flags)) {
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c->mct_decode[FF_DWT97] = ff_ict_float_fma3;
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}
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if (EXTERNAL_AVX2_FAST(cpu_flags)) {
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c->mct_decode[FF_DWT53] = ff_rct_int_avx2;
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}
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}
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