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 <stdint.h>
  20.  
  21. #include "config.h"
  22. #include "libavutil/attributes.h"
  23. #include "libavutil/cpu.h"
  24. #include "libavutil/x86/asm.h"
  25. #include "libavutil/x86/cpu.h"
  26. #include "libavcodec/audiodsp.h"
  27.  
  28. int32_t ff_scalarproduct_int16_mmxext(const int16_t *v1, const int16_t *v2,
  29.                                       int order);
  30. int32_t ff_scalarproduct_int16_sse2(const int16_t *v1, const int16_t *v2,
  31.                                     int order);
  32.  
  33. void ff_vector_clip_int32_mmx(int32_t *dst, const int32_t *src,
  34.                               int32_t min, int32_t max, unsigned int len);
  35. void ff_vector_clip_int32_sse2(int32_t *dst, const int32_t *src,
  36.                                int32_t min, int32_t max, unsigned int len);
  37. void ff_vector_clip_int32_int_sse2(int32_t *dst, const int32_t *src,
  38.                                    int32_t min, int32_t max, unsigned int len);
  39. void ff_vector_clip_int32_sse4(int32_t *dst, const int32_t *src,
  40.                                int32_t min, int32_t max, unsigned int len);
  41. void ff_vector_clipf_sse(float *dst, const float *src,
  42.                          float min, float max, int len);
  43.  
  44. av_cold void ff_audiodsp_init_x86(AudioDSPContext *c)
  45. {
  46.     int cpu_flags = av_get_cpu_flags();
  47.  
  48.     if (EXTERNAL_MMX(cpu_flags))
  49.         c->vector_clip_int32 = ff_vector_clip_int32_mmx;
  50.  
  51.     if (EXTERNAL_MMXEXT(cpu_flags))
  52.         c->scalarproduct_int16 = ff_scalarproduct_int16_mmxext;
  53.  
  54.     if (EXTERNAL_SSE(cpu_flags))
  55.         c->vector_clipf = ff_vector_clipf_sse;
  56.  
  57.     if (EXTERNAL_SSE2(cpu_flags)) {
  58.         c->scalarproduct_int16 = ff_scalarproduct_int16_sse2;
  59.         if (cpu_flags & AV_CPU_FLAG_ATOM)
  60.             c->vector_clip_int32 = ff_vector_clip_int32_int_sse2;
  61.         else
  62.             c->vector_clip_int32 = ff_vector_clip_int32_sse2;
  63.     }
  64.  
  65.     if (EXTERNAL_SSE4(cpu_flags))
  66.         c->vector_clip_int32 = ff_vector_clip_int32_sse4;
  67. }
  68.