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/* |
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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 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/rv34dsp.h" |
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void ff_rv34_idct_dc_mmxext(int16_t *block); |
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void ff_rv34_idct_dc_noround_mmxext(int16_t *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_sse2(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_mmxext(uint8_t *dst, ptrdiff_t stride, int16_t *block); |
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av_cold void ff_rv34dsp_init_x86(RV34DSPContext* c) |
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{ |
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int cpu_flags = av_get_cpu_flags(); |
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if (ARCH_X86_32 && EXTERNAL_MMX(cpu_flags)) |
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c->rv34_idct_dc_add = ff_rv34_idct_dc_add_mmx; |
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✗✓ |
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if (EXTERNAL_MMXEXT(cpu_flags)) { |
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c->rv34_inv_transform_dc = ff_rv34_idct_dc_noround_mmxext; |
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c->rv34_idct_add = ff_rv34_idct_add_mmxext; |
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} |
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✗✓ |
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if (EXTERNAL_SSE2(cpu_flags)) |
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c->rv34_idct_dc_add = ff_rv34_idct_dc_add_sse2; |
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✗✓ |
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if (EXTERNAL_SSE4(cpu_flags)) |
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c->rv34_idct_dc_add = ff_rv34_idct_dc_add_sse4; |
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} |