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Diffstat (limited to 'media/libsoundtouch/src/STTypes.h')
| -rw-r--r-- | media/libsoundtouch/src/STTypes.h | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/media/libsoundtouch/src/STTypes.h b/media/libsoundtouch/src/STTypes.h new file mode 100644 index 0000000000..a70743dfe4 --- /dev/null +++ b/media/libsoundtouch/src/STTypes.h @@ -0,0 +1,185 @@ +//////////////////////////////////////////////////////////////////////////////// +/// +/// Common type definitions for SoundTouch audio processing library. +/// +/// Author : Copyright (c) Olli Parviainen +/// Author e-mail : oparviai 'at' iki.fi +/// SoundTouch WWW: http://www.surina.net/soundtouch +/// +//////////////////////////////////////////////////////////////////////////////// +// +// License : +// +// SoundTouch audio processing library +// Copyright (c) Olli Parviainen +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Lesser General Public +// License as published by the Free Software Foundation; either +// version 2.1 of the License, or (at your option) any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +// +//////////////////////////////////////////////////////////////////////////////// + +#ifndef STTypes_H +#define STTypes_H + +typedef unsigned int uint; +typedef unsigned long ulong; + +// Patch for MinGW: on Win64 long is 32-bit +#ifdef _WIN64 + typedef unsigned long long ulongptr; +#else + typedef ulong ulongptr; +#endif + + +// Helper macro for aligning pointer up to next 16-byte boundary +#define SOUNDTOUCH_ALIGN_POINTER_16(x) ( ( (ulongptr)(x) + 15 ) & ~(ulongptr)15 ) + + +#include "soundtouch_config.h" + +namespace soundtouch +{ + /// Max allowed number of channels + #define SOUNDTOUCH_MAX_CHANNELS 16 + + /// Activate these undef's to overrule the possible sampletype + /// setting inherited from some other header file: + //#undef SOUNDTOUCH_INTEGER_SAMPLES + //#undef SOUNDTOUCH_FLOAT_SAMPLES + + /// If following flag is defined, always uses multichannel processing + /// routines also for mono and stero sound. This is for routine testing + /// purposes; output should be same with either routines, yet disabling + /// the dedicated mono/stereo processing routines will result in slower + /// runtime performance so recommendation is to keep this off. + // #define USE_MULTICH_ALWAYS + + #if (defined(__SOFTFP__) && defined(ANDROID)) + // For Android compilation: Force use of Integer samples in case that + // compilation uses soft-floating point emulation - soft-fp is way too slow + #undef SOUNDTOUCH_FLOAT_SAMPLES + #define SOUNDTOUCH_INTEGER_SAMPLES 1 + #endif + + #if !(SOUNDTOUCH_INTEGER_SAMPLES || SOUNDTOUCH_FLOAT_SAMPLES) + + /// Choose either 32bit floating point or 16bit integer sampletype + /// by choosing one of the following defines, unless this selection + /// has already been done in some other file. + //// + /// Notes: + /// - In Windows environment, choose the sample format with the + /// following defines. + /// - In GNU environment, the floating point samples are used by + /// default, but integer samples can be chosen by giving the + /// following switch to the configure script: + /// ./configure --enable-integer-samples + /// However, if you still prefer to select the sample format here + /// also in GNU environment, then please #undef the INTEGER_SAMPLE + /// and FLOAT_SAMPLE defines first as in comments above. + //#define SOUNDTOUCH_INTEGER_SAMPLES 1 //< 16bit integer samples + #define SOUNDTOUCH_FLOAT_SAMPLES 1 //< 32bit float samples + + #endif + + #if (_M_IX86 || __i386__ || __x86_64__ || _M_X64) + /// Define this to allow X86-specific assembler/intrinsic optimizations. + /// Notice that library contains also usual C++ versions of each of these + /// these routines, so if you're having difficulties getting the optimized + /// routines compiled for whatever reason, you may disable these optimizations + /// to make the library compile. + + #define SOUNDTOUCH_ALLOW_X86_OPTIMIZATIONS 1 + + /// In GNU environment, allow the user to override this setting by + /// giving the following switch to the configure script: + /// ./configure --disable-x86-optimizations + /// ./configure --enable-x86-optimizations=no + #ifdef SOUNDTOUCH_DISABLE_X86_OPTIMIZATIONS + #undef SOUNDTOUCH_ALLOW_X86_OPTIMIZATIONS + #endif + #else + /// Always disable optimizations when not using a x86 systems. + #undef SOUNDTOUCH_ALLOW_X86_OPTIMIZATIONS + + #endif + + // If defined, allows the SIMD-optimized routines to skip unevenly aligned + // memory offsets that can cause performance penalty in some SIMD implementations. + // Causes slight compromise in sound quality. + // #define SOUNDTOUCH_ALLOW_NONEXACT_SIMD_OPTIMIZATION 1 + + + #ifdef SOUNDTOUCH_INTEGER_SAMPLES + // 16bit integer sample type + typedef short SAMPLETYPE; + // data type for sample accumulation: Use 32bit integer to prevent overflows + typedef long LONG_SAMPLETYPE; + + #ifdef SOUNDTOUCH_FLOAT_SAMPLES + // check that only one sample type is defined + #error "conflicting sample types defined" + #endif // SOUNDTOUCH_FLOAT_SAMPLES + + #ifdef SOUNDTOUCH_ALLOW_X86_OPTIMIZATIONS + // Allow MMX optimizations (not available in X64 mode) + #if (!_M_X64) + #define SOUNDTOUCH_ALLOW_MMX 1 + #endif + #endif + + #else + + // floating point samples + typedef float SAMPLETYPE; + // data type for sample accumulation: Use float also here to enable + // efficient autovectorization + typedef float LONG_SAMPLETYPE; + + #ifdef SOUNDTOUCH_ALLOW_X86_OPTIMIZATIONS + // Allow SSE optimizations + #define SOUNDTOUCH_ALLOW_SSE 1 + #endif + + #endif // SOUNDTOUCH_INTEGER_SAMPLES + + #if ((SOUNDTOUCH_ALLOW_SSE) || (__SSE__) || (SOUNDTOUCH_USE_NEON)) + #if SOUNDTOUCH_ALLOW_NONEXACT_SIMD_OPTIMIZATION + #define ST_SIMD_AVOID_UNALIGNED + #endif + #endif + +}; + +// define ST_NO_EXCEPTION_HANDLING switch to disable throwing std exceptions: +// #define ST_NO_EXCEPTION_HANDLING 1 +#ifdef ST_NO_EXCEPTION_HANDLING + // Exceptions disabled. Throw asserts instead if enabled. + #include <assert.h> + #define ST_THROW_RT_ERROR(x) {assert((const char *)x);} +#else + // use c++ standard exceptions + #include <stdexcept> + #include <string> + #define ST_THROW_RT_ERROR(x) {throw std::runtime_error(x);} +#endif + +// When this #define is active, eliminates a clicking sound when the "rate" or "pitch" +// parameter setting crosses from value <1 to >=1 or vice versa during processing. +// Default is off as such crossover is untypical case and involves a slight sound +// quality compromise. +//#define SOUNDTOUCH_PREVENT_CLICK_AT_RATE_CROSSOVER 1 + +#endif |