yading@10: /*
yading@10:  * RV30/40 MMX/SSE2 optimizations
yading@10:  * Copyright (C) 2012 Christophe Gisquet <christophe.gisquet@gmail.com>
yading@10:  *
yading@10:  * This file is part of Libav.
yading@10:  *
yading@10:  * Libav is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * Libav is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with Libav; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: #include "libavutil/cpu.h"
yading@10: #include "libavutil/x86/asm.h"
yading@10: #include "libavutil/x86/cpu.h"
yading@10: #include "libavcodec/rv34dsp.h"
yading@10: 
yading@10: void ff_rv34_idct_dc_mmxext(int16_t *block);
yading@10: void ff_rv34_idct_dc_noround_mmxext(int16_t *block);
yading@10: void ff_rv34_idct_dc_add_mmx(uint8_t *dst, ptrdiff_t stride, int dc);
yading@10: void ff_rv34_idct_dc_add_sse4(uint8_t *dst, ptrdiff_t stride, int dc);
yading@10: void ff_rv34_idct_add_mmxext(uint8_t *dst, ptrdiff_t stride, int16_t *block);
yading@10: 
yading@10: av_cold void ff_rv34dsp_init_x86(RV34DSPContext* c)
yading@10: {
yading@10:     int mm_flags = av_get_cpu_flags();
yading@10: 
yading@10:     if (EXTERNAL_MMX(mm_flags))
yading@10:         c->rv34_idct_dc_add = ff_rv34_idct_dc_add_mmx;
yading@10:     if (EXTERNAL_MMXEXT(mm_flags)) {
yading@10:         c->rv34_inv_transform_dc = ff_rv34_idct_dc_noround_mmxext;
yading@10:         c->rv34_idct_add         = ff_rv34_idct_add_mmxext;
yading@10:     }
yading@10:     if (EXTERNAL_SSE4(mm_flags))
yading@10:         c->rv34_idct_dc_add = ff_rv34_idct_dc_add_sse4;
yading@10: }