mirror of
https://git.videolan.org/git/ffmpeg.git
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50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
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/*
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* Copyright (C) 2019 Paul B Mahol
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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/mem.h"
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#include "libavutil/x86/asm.h"
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#include "libavutil/x86/cpu.h"
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#include "libavfilter/transpose.h"
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void ff_transpose_8x8_8_sse2(uint8_t *src,
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ptrdiff_t src_linesize,
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uint8_t *dst,
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ptrdiff_t dst_linesize);
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void ff_transpose_8x8_16_sse2(uint8_t *src,
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ptrdiff_t src_linesize,
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uint8_t *dst,
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ptrdiff_t dst_linesize);
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av_cold void ff_transpose_init_x86(TransVtable *v, int pixstep)
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{
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int cpu_flags = av_get_cpu_flags();
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if (EXTERNAL_SSE4(cpu_flags) && pixstep == 1) {
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v->transpose_8x8 = ff_transpose_8x8_8_sse2;
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}
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if (ARCH_X86_64 && EXTERNAL_SSE4(cpu_flags) && pixstep == 2) {
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v->transpose_8x8 = ff_transpose_8x8_16_sse2;
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}
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}
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