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45 lines
1.6 KiB
45 lines
1.6 KiB
/* |
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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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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_MMX2) { |
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c->rv34_inv_transform_dc = ff_rv34_idct_dc_noround_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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