yading@10: /*
yading@10:  * Copyright (C) 2006 Loren Merritt <lorenm@u.washington.edu>
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg 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:  * FFmpeg 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 FFmpeg; 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 "config.h"
yading@10: #include "libavutil/attributes.h"
yading@10: #include "libavutil/cpu.h"
yading@10: #include "libavcodec/vorbisdsp.h"
yading@10: 
yading@10: void ff_vorbis_inverse_coupling_3dnow(float *mag, float *ang,
yading@10:                                       intptr_t blocksize);
yading@10: void ff_vorbis_inverse_coupling_sse(float *mag, float *ang,
yading@10:                                     intptr_t blocksize);
yading@10: 
yading@10: av_cold void ff_vorbisdsp_init_x86(VorbisDSPContext *dsp)
yading@10: {
yading@10: #if HAVE_YASM
yading@10:     int mm_flags = av_get_cpu_flags();
yading@10: 
yading@10: #if ARCH_X86_32
yading@10:     if (mm_flags & AV_CPU_FLAG_3DNOW)
yading@10:         dsp->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_3dnow;
yading@10: #endif /* ARCH_X86_32 */
yading@10:     if (mm_flags & AV_CPU_FLAG_SSE)
yading@10:         dsp->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_sse;
yading@10: #endif /* HAVE_YASM */
yading@10: }