Subversion Repositories Kolibri OS

Rev

Go to most recent revision | Blame | Last modification | View Log | RSS feed

  1. /*
  2.  * This file is part of FFmpeg.
  3.  *
  4.  * FFmpeg is free software; you can redistribute it and/or
  5.  * modify it under the terms of the GNU Lesser General Public
  6.  * License as published by the Free Software Foundation; either
  7.  * version 2.1 of the License, or (at your option) any later version.
  8.  *
  9.  * FFmpeg is distributed in the hope that it will be useful,
  10.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12.  * Lesser General Public License for more details.
  13.  *
  14.  * You should have received a copy of the GNU Lesser General Public
  15.  * License along with FFmpeg; if not, write to the Free Software
  16.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17.  */
  18.  
  19. #include "config.h"
  20. #include "libavutil/attributes.h"
  21. #include "libavutil/cpu.h"
  22. #include "libavutil/x86/cpu.h"
  23. #include "libavcodec/dct.h"
  24.  
  25. void ff_dct32_float_sse(FFTSample *out, const FFTSample *in);
  26. void ff_dct32_float_sse2(FFTSample *out, const FFTSample *in);
  27. void ff_dct32_float_avx(FFTSample *out, const FFTSample *in);
  28.  
  29. av_cold void ff_dct_init_x86(DCTContext *s)
  30. {
  31.     int cpu_flags = av_get_cpu_flags();
  32.  
  33.     if (EXTERNAL_SSE(cpu_flags))
  34.         s->dct32 = ff_dct32_float_sse;
  35.     if (EXTERNAL_SSE2(cpu_flags))
  36.         s->dct32 = ff_dct32_float_sse2;
  37.     if (EXTERNAL_AVX(cpu_flags))
  38.         s->dct32 = ff_dct32_float_avx;
  39. }
  40.