239fdf1b4a
Refactoring mmx2/mmxext YASM code with cpuflags will force renames. So switching to a consistent naming scheme beforehand is sensible. The name "mmxext" is more official and widespread and also the name of the CPU flag, as reported e.g. by the Linux kernel.
48 lines
1.8 KiB
C
48 lines
1.8 KiB
C
/*
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* RV30/40 MMX/SSE2 optimizations
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* Copyright (C) 2012 Christophe Gisquet <christophe.gisquet@gmail.com>
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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/cpu.h"
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#include "libavutil/x86_cpu.h"
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#include "libavcodec/dsputil.h"
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#include "libavcodec/rv34dsp.h"
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void ff_rv34_idct_dc_mmx2(DCTELEM *block);
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void ff_rv34_idct_dc_noround_mmx2(DCTELEM *block);
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void ff_rv34_idct_dc_add_mmx(uint8_t *dst, ptrdiff_t stride, int dc);
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void ff_rv34_idct_dc_add_sse4(uint8_t *dst, ptrdiff_t stride, int dc);
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void ff_rv34_idct_add_mmx2(uint8_t *dst, ptrdiff_t stride, DCTELEM *block);
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av_cold void ff_rv34dsp_init_x86(RV34DSPContext* c, DSPContext *dsp)
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{
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#if HAVE_YASM
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int mm_flags = av_get_cpu_flags();
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if (mm_flags & AV_CPU_FLAG_MMX)
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c->rv34_idct_dc_add = ff_rv34_idct_dc_add_mmx;
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if (mm_flags & AV_CPU_FLAG_MMXEXT) {
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c->rv34_inv_transform_dc = ff_rv34_idct_dc_noround_mmx2;
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c->rv34_idct_add = ff_rv34_idct_add_mmx2;
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}
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if (mm_flags & AV_CPU_FLAG_SSE4)
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c->rv34_idct_dc_add = ff_rv34_idct_dc_add_sse4;
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#endif
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}
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