Subversion Repositories Kolibri OS

Rev

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 "libavutil/attributes.h"
  20. #include "libavutil/cpu.h"
  21. #include "libavutil/x86/cpu.h"
  22. #include "libavcodec/lossless_audiodsp.h"
  23.  
  24. int32_t ff_scalarproduct_and_madd_int16_mmxext(int16_t *v1, const int16_t *v2,
  25.                                                const int16_t *v3,
  26.                                                int order, int mul);
  27. int32_t ff_scalarproduct_and_madd_int16_sse2(int16_t *v1, const int16_t *v2,
  28.                                              const int16_t *v3,
  29.                                              int order, int mul);
  30. int32_t ff_scalarproduct_and_madd_int16_ssse3(int16_t *v1, const int16_t *v2,
  31.                                               const int16_t *v3,
  32.                                               int order, int mul);
  33.  
  34. av_cold void ff_llauddsp_init_x86(LLAudDSPContext *c)
  35. {
  36. #if HAVE_YASM
  37.     int cpu_flags = av_get_cpu_flags();
  38.  
  39.     if (EXTERNAL_MMXEXT(cpu_flags))
  40.         c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_mmxext;
  41.  
  42.     if (EXTERNAL_SSE2(cpu_flags))
  43.         c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_sse2;
  44.  
  45.     if (EXTERNAL_SSSE3(cpu_flags) &&
  46.         !(cpu_flags & (AV_CPU_FLAG_SSE42 | AV_CPU_FLAG_3DNOW))) // cachesplit
  47.         c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_ssse3;
  48. #endif
  49. }
  50.