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187 lines
7.0 KiB
C++
187 lines
7.0 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: 2015-05-18 15:25:07 +0000 (Mon, 18 May 2015) $
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// File revision : $Revision: 3 $
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//
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// $Id: STTypes.h 215 2015-05-18 15:25:07Z 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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// Patch for MinGW: on Win64 long is 32-bit
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#ifdef _WIN64
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typedef unsigned long long ulongptr;
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#else
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typedef ulong ulongptr;
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#endif
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// Helper macro for aligning pointer up to next 16-byte boundary
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#define SOUNDTOUCH_ALIGN_POINTER_16(x) ( ( (ulongptr)(x) + 15 ) & ~(ulongptr)15 )
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#include "soundtouch_config.h"
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#if defined(WIN32)
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#define EXPORT __declspec(dllexport)
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#else
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#define EXPORT
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#endif
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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 SOUNDTOUCH_INTEGER_SAMPLES
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//#undef SOUNDTOUCH_FLOAT_SAMPLES
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/// If following flag is defined, always uses multichannel processing
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/// routines also for mono and stero sound. This is for routine testing
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/// purposes; output should be same with either routines, yet disabling
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/// the dedicated mono/stereo processing routines will result in slower
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/// runtime performance so recommendation is to keep this off.
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// #define USE_MULTICH_ALWAYS
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#if (defined(__SOFTFP__) && defined(ANDROID))
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// For Android compilation: Force use of Integer samples in case that
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// compilation uses soft-floating point emulation - soft-fp is way too slow
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#undef SOUNDTOUCH_FLOAT_SAMPLES
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#define SOUNDTOUCH_INTEGER_SAMPLES 1
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#endif
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#if !(SOUNDTOUCH_INTEGER_SAMPLES || SOUNDTOUCH_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 SOUNDTOUCH_INTEGER_SAMPLES 1 //< 16bit integer samples
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#define SOUNDTOUCH_FLOAT_SAMPLES 1 //< 32bit float samples
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#endif
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#if (_M_IX86 || __i386__ || __x86_64__ || _M_X64)
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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 SOUNDTOUCH_ALLOW_X86_OPTIMIZATIONS 1
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/// In GNU environment, allow the user to override this setting by
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/// giving the following switch to the configure script:
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/// ./configure --disable-x86-optimizations
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/// ./configure --enable-x86-optimizations=no
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#ifdef SOUNDTOUCH_DISABLE_X86_OPTIMIZATIONS
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#undef SOUNDTOUCH_ALLOW_X86_OPTIMIZATIONS
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#endif
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#else
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/// Always disable optimizations when not using a x86 systems.
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#undef SOUNDTOUCH_ALLOW_X86_OPTIMIZATIONS
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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 SOUNDTOUCH_ALLOW_NONEXACT_SIMD_OPTIMIZATION 1
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#ifdef SOUNDTOUCH_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 SOUNDTOUCH_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 // SOUNDTOUCH_FLOAT_SAMPLES
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#ifdef SOUNDTOUCH_ALLOW_X86_OPTIMIZATIONS
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// Allow MMX optimizations
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#define SOUNDTOUCH_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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#ifdef SOUNDTOUCH_ALLOW_X86_OPTIMIZATIONS
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// Allow SSE optimizations
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#define SOUNDTOUCH_ALLOW_SSE 1
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#endif
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#endif // SOUNDTOUCH_INTEGER_SAMPLES
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};
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// define ST_NO_EXCEPTION_HANDLING switch to disable throwing std exceptions:
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// #define ST_NO_EXCEPTION_HANDLING 1
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#ifdef ST_NO_EXCEPTION_HANDLING
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// Exceptions disabled. Throw asserts instead if enabled.
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#include <assert.h>
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#define ST_THROW_RT_ERROR(x) {assert((const char *)x);}
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#else
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// use c++ standard exceptions
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#include <stdexcept>
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#include <string>
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#define ST_THROW_RT_ERROR(x) {throw std::runtime_error(x);}
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#endif
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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 SOUNDTOUCH_PREVENT_CLICK_AT_RATE_CROSSOVER 1
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#endif
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