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//////////////////////////////////////////////////////////////////////////////// |
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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: 2009-05-17 14:30:57 +0300 (Sun, 17 May 2009) $ |
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// File revision : $Revision: 3 $ |
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// |
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// $Id: STTypes.h 70 2009-05-17 11:30:57Z 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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|
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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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|
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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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|
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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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|
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#endif |
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#if (WIN32 || __i386__ || __x86_64__) |
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/// Define this to allow X86-specific assembler/intrinsic optimizations. |
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/// Notice that library contains also usual C++ versions of each of these |
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/// these routines, so if you're having difficulties getting the optimized |
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/// routines compiled for whatever reason, you may disable these optimizations |
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/// to make the library compile. |
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#define ALLOW_X86_OPTIMIZATIONS 1 |
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#endif |
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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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|
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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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|
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#ifdef ALLOW_X86_OPTIMIZATIONS |
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// Allow MMX optimizations |
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#define ALLOW_MMX 1 |
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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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|
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#ifdef ALLOW_X86_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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#define ALLOW_SSE 1 |
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#endif |
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#endif // INTEGER_SAMPLES |
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}; |
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// When this #define is active, eliminates a clicking sound when the "rate" or "pitch" |
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// parameter setting crosses from value <1 to >=1 or vice versa during processing. |
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// Default is off as such crossover is untypical case and involves a slight sound |
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// quality compromise. |
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//#define PREVENT_CLICK_AT_RATE_CROSSOVER 1 |
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#endif |
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