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  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 "libavutil/cpu.h"
  20. #include "libavcodec/v210dec.h"
  21.  
  22. extern void ff_v210_planar_unpack_unaligned_ssse3(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
  23. extern void ff_v210_planar_unpack_unaligned_avx(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
  24.  
  25. extern void ff_v210_planar_unpack_aligned_ssse3(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
  26. extern void ff_v210_planar_unpack_aligned_avx(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
  27.  
  28. av_cold void v210_x86_init(V210DecContext *s)
  29. {
  30.     int cpu_flags = av_get_cpu_flags();
  31.  
  32. #if HAVE_YASM
  33.     if (s->aligned_input) {
  34.         if (cpu_flags & AV_CPU_FLAG_SSSE3)
  35.             s->unpack_frame = ff_v210_planar_unpack_aligned_ssse3;
  36.  
  37.         if (HAVE_AVX_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX)
  38.             s->unpack_frame = ff_v210_planar_unpack_aligned_avx;
  39.     }
  40.     else {
  41.         if (cpu_flags & AV_CPU_FLAG_SSSE3)
  42.             s->unpack_frame = ff_v210_planar_unpack_unaligned_ssse3;
  43.  
  44.         if (HAVE_AVX_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX)
  45.             s->unpack_frame = ff_v210_planar_unpack_unaligned_avx;
  46.     }
  47. #endif
  48. }
  49.