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  1. /*
  2.  * Copyright (c) 2007 Loren Merritt
  3.  *
  4.  * This file is part of FFmpeg.
  5.  *
  6.  * FFmpeg is free software; you can redistribute it and/or
  7.  * modify it under the terms of the GNU Lesser General Public
  8.  * License as published by the Free Software Foundation; either
  9.  * version 2.1 of the License, or (at your option) any later version.
  10.  *
  11.  * FFmpeg is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14.  * Lesser General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Lesser General Public
  17.  * License along with FFmpeg; if not, write to the Free Software
  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19.  */
  20.  
  21. #include "config.h"
  22. #include "libavutil/attributes.h"
  23. #include "libavutil/cpu.h"
  24. #include "libavutil/x86/cpu.h"
  25. #include "libavcodec/svq1enc.h"
  26.  
  27. int ff_ssd_int8_vs_int16_mmx(const int8_t *pix1, const int16_t *pix2,
  28.                              intptr_t size);
  29. int ff_ssd_int8_vs_int16_sse2(const int8_t *pix1, const int16_t *pix2,
  30.                               intptr_t size);
  31.  
  32. av_cold void ff_svq1enc_init_x86(SVQ1EncContext *c)
  33. {
  34.     int cpu_flags = av_get_cpu_flags();
  35.  
  36.     if (EXTERNAL_MMX(cpu_flags)) {
  37.         c->ssd_int8_vs_int16 = ff_ssd_int8_vs_int16_mmx;
  38.     }
  39.     if (EXTERNAL_SSE2(cpu_flags)) {
  40.         c->ssd_int8_vs_int16 = ff_ssd_int8_vs_int16_sse2;
  41.     }
  42. }
  43.