/* * This file is part of FFmpeg. * * FFmpeg 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. * * FFmpeg 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 FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "config.h" #include "libavutil/attributes.h" #include "libavutil/cpu.h" #include "libavutil/x86/cpu.h" #include "libavcodec/dct.h" void ff_dct32_float_sse2(FFTSample *out, const FFTSample *in); void ff_dct32_float_avx(FFTSample *out, const FFTSample *in); av_cold void ff_dct_init_x86(DCTContext *s) { int cpu_flags = av_get_cpu_flags(); if (EXTERNAL_SSE2(cpu_flags)) s->dct32 = ff_dct32_float_sse2; if (EXTERNAL_AVX_FAST(cpu_flags)) s->dct32 = ff_dct32_float_avx; }