mirror of
https://github.com/azahar-emu/soundtouch
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145 lines
5.0 KiB
C++
145 lines
5.0 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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///
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/// Common type definitions for SoundTouch audio processing library.
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///
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/// Author : Copyright (c) Olli Parviainen
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/// Author e-mail : oparviai 'at' iki.fi
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/// SoundTouch WWW: http://www.surina.net/soundtouch
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///
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////////////////////////////////////////////////////////////////////////////////
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//
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// Last changed : $Date: 2008-02-10 18:03:11 +0200 (su, 10 helmi 2008) $
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// File revision : $Revision: 3 $
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//
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// $Id: STTypes.h 3 2008-02-10 16:03:11Z oparviai $
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//
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////////////////////////////////////////////////////////////////////////////////
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//
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// License :
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//
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// SoundTouch audio processing library
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// Copyright (c) Olli Parviainen
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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////////////////////////////////////////////////////////////////////////////////
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#ifndef STTypes_H
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#define STTypes_H
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typedef unsigned int uint;
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typedef unsigned long ulong;
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#ifdef __GNUC__
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// In GCC, include soundtouch_config.h made by config scritps
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#include "soundtouch_config.h"
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#endif
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#ifndef _WINDEF_
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// if these aren't defined already by Windows headers, define now
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typedef int BOOL;
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#define FALSE 0
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#define TRUE 1
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#endif // _WINDEF_
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namespace soundtouch
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{
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/// Activate these undef's to overrule the possible sampletype
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/// setting inherited from some other header file:
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//#undef INTEGER_SAMPLES
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//#undef FLOAT_SAMPLES
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#if !(INTEGER_SAMPLES || FLOAT_SAMPLES)
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/// Choose either 32bit floating point or 16bit integer sampletype
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/// by choosing one of the following defines, unless this selection
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/// has already been done in some other file.
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////
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/// Notes:
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/// - In Windows environment, choose the sample format with the
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/// following defines.
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/// - In GNU environment, the floating point samples are used by
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/// default, but integer samples can be chosen by giving the
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/// following switch to the configure script:
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/// ./configure --enable-integer-samples
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/// However, if you still prefer to select the sample format here
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/// also in GNU environment, then please #undef the INTEGER_SAMPLE
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/// and FLOAT_SAMPLE defines first as in comments above.
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//#define INTEGER_SAMPLES 1 //< 16bit integer samples
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#define FLOAT_SAMPLES 1 //< 32bit float samples
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#endif
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/// Define this to allow CPU-specific assembler optimizations. Notice that
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/// having this enabled on non-x86 platforms doesn't matter; the compiler can
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/// drop unsupported extensions on different platforms automatically.
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/// However, if you're having difficulties getting the optimized routines
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/// compiled with your compler (e.g. some gcc compiler versions may be picky),
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/// you may wish to disable the optimizations to make the library compile.
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#define ALLOW_OPTIMIZATIONS 1
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// If defined, allows the SIMD-optimized routines to take minor shortcuts
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// for improved performance. Undefine to require faithfully similar SIMD
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// calculations as in normal C implementation.
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#define ALLOW_NONEXACT_SIMD_OPTIMIZATION 1
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#ifdef INTEGER_SAMPLES
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// 16bit integer sample type
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typedef short SAMPLETYPE;
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// data type for sample accumulation: Use 32bit integer to prevent overflows
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typedef long LONG_SAMPLETYPE;
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#ifdef FLOAT_SAMPLES
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// check that only one sample type is defined
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#error "conflicting sample types defined"
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#endif // FLOAT_SAMPLES
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#ifdef ALLOW_OPTIMIZATIONS
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#if (WIN32 || __i386__ || __x86_64__)
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// Allow MMX optimizations
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#define ALLOW_MMX 1
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#endif
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#endif
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#else
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// floating point samples
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typedef float SAMPLETYPE;
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// data type for sample accumulation: Use double to utilize full precision.
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typedef double LONG_SAMPLETYPE;
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#ifdef ALLOW_OPTIMIZATIONS
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// Allow 3DNow! and SSE optimizations
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#if WIN32
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#define ALLOW_3DNOW 1
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#endif
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#if (WIN32 || __i386__ || __x86_64__)
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#define ALLOW_SSE 1
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#endif
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#endif
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#endif // INTEGER_SAMPLES
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};
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#endif
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