diff options
Diffstat (limited to 'libavcodec/x86/rv34dsp_init.c')
-rw-r--r-- | libavcodec/x86/rv34dsp_init.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/libavcodec/x86/rv34dsp_init.c b/libavcodec/x86/rv34dsp_init.c new file mode 100644 index 0000000000..4317e9b23b --- /dev/null +++ b/libavcodec/x86/rv34dsp_init.c @@ -0,0 +1,40 @@ +/* + * RV30/40 MMX/SSE2 optimizations + * Copyright (C) 2012 Christophe Gisquet <christophe.gisquet@gmail.com> + * + * This file is part of Libav. + * + * Libav is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * Libav is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavutil/cpu.h" +#include "libavutil/x86_cpu.h" +#include "libavcodec/dsputil.h" +#include "libavcodec/rv34dsp.h" + +void ff_rv34_idct_dequant4x4_dc_mmx2(DCTELEM *block); +void ff_rv34_idct_dequant4x4_dc_noround_mmx2(DCTELEM *block); + +av_cold void ff_rv34dsp_init_x86(RV34DSPContext* c, DSPContext *dsp) +{ +#if HAVE_YASM + int mm_flags = av_get_cpu_flags(); + + if (mm_flags & AV_CPU_FLAG_MMX2) { + c->rv34_inv_transform_dc_tab[0] = ff_rv34_idct_dequant4x4_dc_mmx2; + c->rv34_inv_transform_dc_tab[1] = ff_rv34_idct_dequant4x4_dc_noround_mmx2; + } +#endif +} |