/* * 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 "libavutil/attributes.h" #include "libavutil/cpu.h" #include "libavutil/x86/cpu.h" #include "libavcodec/avcodec.h" #include "libavcodec/fdctdsp.h" #include "fdct.h" av_cold void ff_fdctdsp_init_x86(FDCTDSPContext *c, AVCodecContext *avctx, unsigned high_bit_depth) { int cpu_flags = av_get_cpu_flags(); const int dct_algo = avctx->dct_algo; if (!high_bit_depth) { if ((dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX)) { if (INLINE_MMX(cpu_flags)) c->fdct = ff_fdct_mmx; if (INLINE_MMXEXT(cpu_flags)) c->fdct = ff_fdct_mmxext; if (INLINE_SSE2(cpu_flags)) c->fdct = ff_fdct_sse2; } } }