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4b6ffc2880
The only systems which benefit from these are truely ancient 32bit x86s as all other systems use at least the SSE2 versions (this includes all x64 cpus (which is why this code is restricted to x86-32)). Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
54 lines
2.1 KiB
C
54 lines
2.1 KiB
C
/*
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* Copyright (c) 2009 Loren Merritt <lorenm@u.washington.edu>
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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 "config.h"
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/x86/asm.h"
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#include "libavutil/x86/cpu.h"
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#include "libavcodec/huffyuvdsp.h"
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void ff_add_int16_sse2(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
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void ff_add_int16_avx2(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
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void ff_add_hfyu_left_pred_bgr32_sse2(uint8_t *dst, const uint8_t *src,
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intptr_t w, uint8_t *left);
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void ff_add_hfyu_median_pred_int16_mmxext(uint16_t *dst, const uint16_t *top, const uint16_t *diff, unsigned mask, int w, int *left, int *left_top);
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av_cold void ff_huffyuvdsp_init_x86(HuffYUVDSPContext *c, enum AVPixelFormat pix_fmt)
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{
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int cpu_flags = av_get_cpu_flags();
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const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(pix_fmt);
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if (EXTERNAL_MMXEXT(cpu_flags) && pix_desc && pix_desc->comp[0].depth<16) {
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c->add_hfyu_median_pred_int16 = ff_add_hfyu_median_pred_int16_mmxext;
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}
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if (EXTERNAL_SSE2(cpu_flags)) {
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c->add_int16 = ff_add_int16_sse2;
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c->add_hfyu_left_pred_bgr32 = ff_add_hfyu_left_pred_bgr32_sse2;
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}
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if (EXTERNAL_AVX2_FAST(cpu_flags)) {
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c->add_int16 = ff_add_int16_avx2;
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}
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}
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