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  1. /*
  2.  * Copyright (C) 2014 Kieran Kunhya <kierank@obe.tv>
  3.  *
  4.  * This file is part of FFmpeg.
  5.  *
  6.   * FFmpeg is free software; you can redistribute it and/or modify
  7.  * it under the terms of the GNU General Public License as published by
  8.  * the Free Software Foundation; either version 2 of the License, or
  9.  * (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
  14.  * GNU General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU General Public License along
  17.  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
  18.  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19.  */
  20.  
  21. #include "libavutil/attributes.h"
  22. #include "libavutil/cpu.h"
  23. #include "libavutil/internal.h"
  24. #include "libavutil/mem.h"
  25. #include "libavutil/x86/asm.h"
  26. #include "libavutil/x86/cpu.h"
  27.  
  28. #include "libavfilter/interlace.h"
  29.  
  30. void ff_lowpass_line_sse2(uint8_t *dstp, ptrdiff_t linesize,
  31.                           const uint8_t *srcp,
  32.                           const uint8_t *srcp_above,
  33.                           const uint8_t *srcp_below);
  34. void ff_lowpass_line_avx (uint8_t *dstp, ptrdiff_t linesize,
  35.                           const uint8_t *srcp,
  36.                           const uint8_t *srcp_above,
  37.                           const uint8_t *srcp_below);
  38.  
  39. av_cold void ff_interlace_init_x86(InterlaceContext *s)
  40. {
  41.     int cpu_flags = av_get_cpu_flags();
  42.  
  43.     if (EXTERNAL_SSE2(cpu_flags))
  44.         s->lowpass_line = ff_lowpass_line_sse2;
  45.     if (EXTERNAL_AVX(cpu_flags))
  46.         s->lowpass_line = ff_lowpass_line_avx;
  47. }
  48.