libs/soundtouch/STTypes.h

   1 ////////////////////////////////////////////////////////////////////////////////
   2 ///
   3 /// Common type definitions for SoundTouch audio processing library.
   4 ///
   5 /// Author        : Copyright (c) Olli Parviainen
   6 /// Author e-mail : oparviai @ iki.fi
   7 /// SoundTouch WWW: http://www.iki.fi/oparviai/soundtouch
   8 ///
   9 ////////////////////////////////////////////////////////////////////////////////
  10 //
  11 // Last changed  : $Date$
  12 // File revision : $Revision$
  13 //
  14 // $Id$
  15 //
  16 ////////////////////////////////////////////////////////////////////////////////
  17 //
  18 // License :
  19 //
  20 //  SoundTouch audio processing library
  21 //  Copyright (c) Olli Parviainen
  22 //
  23 //  This library is free software; you can redistribute it and/or
  24 //  modify it under the terms of the GNU Lesser General Public
  25 //  License as published by the Free Software Foundation; either
  26 //  version 2.1 of the License, or (at your option) any later version.
  27 //
  28 //  This library is distributed in the hope that it will be useful,
  29 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  30 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  31 //  Lesser General Public License for more details.
  32 //
  33 //  You should have received a copy of the GNU Lesser General Public
  34 //  License along with this library; if not, write to the Free Software
  35 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  36 //
  37 ////////////////////////////////////////////////////////////////////////////////
  38
  39 #ifndef STTypes_H
  40 #define STTypes_H
  41
  42 typedef unsigned int    uint;
  43 typedef unsigned long   ulong;
  44
  45 #ifndef _WINDEF_
  46     // if these aren't defined already by Windows headers, define now
  47
  48     typedef unsigned int    BOOL;
  49
  50 #ifndef FALSE
  51     #define FALSE   0
  52 #endif
  53 #ifndef TRUE
  54     #define TRUE    1
  55 #endif
  56
  57 #endif  // _WINDEF_
  58
  59
  60 namespace soundtouch
  61 {
  62     /// Enable one of the following defines to choose either 16bit integer or
  63     /// 32bit float sample type. If you don't have opinion, using integer samples
  64     /// is generally faster.
  65     /// #define INTEGER_SAMPLES       //< 16bit integer samples
  66     #define FLOAT_SAMPLES       //< 32bit float samples
  67
  68
  69     /// Define this to allow CPU-specific assembler optimizations. Notice that
  70     /// having this enabled on non-x86 platforms doesn't matter; the compiler can
  71     /// drop unsupported extensions on different platforms automatically.
  72     /// However, if you're having difficulties getting the optimized routines
  73     /// compiled with your compler (e.g. some gcc compiler versions may be picky),
  74     /// you may wish to disable the optimizations to make the library compile.
  75     #define ALLOW_OPTIMIZATIONS     1
  76
  77
  78     #ifdef INTEGER_SAMPLES
  79         // 16bit integer sample type
  80         typedef short SAMPLETYPE;
  81         // data type for sample accumulation: Use 32bit integer to prevent overflows
  82         typedef long  LONG_SAMPLETYPE;
  83
  84         #ifdef FLOAT_SAMPLES
  85             // check that only one sample type is defined
  86             #error "conflicting sample types defined"
  87         #endif // FLOAT_SAMPLES
  88
  89         #ifdef ALLOW_OPTIMIZATIONS
  90             #if WIN32 || __i386__
  91                 // Allow MMX optimizations
  92                 #define ALLOW_MMX   1
  93             #endif
  94         #endif
  95
  96     #else
  97
  98         // floating point samples
  99         typedef float  SAMPLETYPE;
 100         // data type for sample accumulation: Use double to utilize full precision.
 101         typedef double LONG_SAMPLETYPE;
 102
 103         #ifdef ALLOW_OPTIMIZATIONS
 104             #ifdef WIN32
 105                 // Allow 3DNow! and SSE optimizations
 106                 #define ALLOW_3DNOW     1
 107                 #define ALLOW_SSE       1
 108             #endif // WIN32
 109         #endif
 110
 111     #endif  // INTEGER_SAMPLES
 112 }
 113
 114 #endif