code.delx.au - pulseaudio/blob - src/pulsecore/cpu-orc.c

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2010 Arun Raghavan <arun.raghavan@collabora.co.uk>
   5
   6   PulseAudio is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU Lesser General Public License as published
   8   by the Free Software Foundation; either version 2.1 of the License,
   9   or (at your option) any later version.
  10
  11   PulseAudio is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with PulseAudio; if not, write to the Free Software
  18   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  19   USA.
  20 ***/
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include "cpu-orc.h"
  27
  28 bool pa_cpu_init_orc(pa_cpu_info cpu_info) {
  29 #ifndef DISABLE_ORC
  30     /* Update these as we test on more architectures */
  31     pa_cpu_x86_flag_t x86_want_flags = PA_CPU_X86_MMX | PA_CPU_X86_SSE | PA_CPU_X86_SSE2 | PA_CPU_X86_SSE3 | PA_CPU_X86_SSSE3 | PA_CPU_X86_SSE4_1 | PA_CPU_X86_SSE4_2;
  32
  33     /* Enable Orc svolume optimizations */
  34     if ((cpu_info.cpu_type == PA_CPU_X86) && (cpu_info.flags.x86 & x86_want_flags)) {
  35         pa_volume_func_init_orc();
  36         return true;
  37     }
  38 #endif
  39
  40     return false;
  41 }