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comparison: media/libsoundtouch/src/STTypes.h
media/libsoundtouch/src/STTypes.h
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| -1:000000000000 | 0:380616e3a76d |
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| 1 //////////////////////////////////////////////////////////////////////////////// | |
| 2 /// | |
| 3 /// Common type definitions for SoundTouch audio processing library. | |
| 4 /// | |
| 5 /// Author : Copyright (c) Olli Parviainen | |
| 6 /// Author e-mail : oparviai 'at' iki.fi | |
| 7 /// SoundTouch WWW: http://www.surina.net/soundtouch | |
| 8 /// | |
| 9 //////////////////////////////////////////////////////////////////////////////// | |
| 10 // | |
| 11 // Last changed : $Date: 2014-04-06 10:57:21 -0500 (Sun, 06 Apr 2014) $ | |
| 12 // File revision : $Revision: 3 $ | |
| 13 // | |
| 14 // $Id: STTypes.h 195 2014-04-06 15:57:21Z oparviai $ | |
| 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 // Patch for MinGW: on Win64 long is 32-bit | |
| 46 #ifdef _WIN64 | |
| 47 typedef unsigned long long ulongptr; | |
| 48 #else | |
| 49 typedef ulong ulongptr; | |
| 50 #endif | |
| 51 | |
| 52 | |
| 53 // Helper macro for aligning pointer up to next 16-byte boundary | |
| 54 #define SOUNDTOUCH_ALIGN_POINTER_16(x) ( ( (ulongptr)(x) + 15 ) & ~(ulongptr)15 ) | |
| 55 | |
| 56 | |
| 57 #include "soundtouch_config.h" | |
| 58 | |
| 59 #ifdef WIN32 | |
| 60 #ifdef BUILDING_SOUNDTOUCH | |
| 61 #define EXPORT __declspec(dllexport) | |
| 62 #else | |
| 63 #define EXPORT __declspec(dllimport) | |
| 64 #endif | |
| 65 #else | |
| 66 #define EXPORT | |
| 67 #endif | |
| 68 | |
| 69 namespace soundtouch | |
| 70 { | |
| 71 /// Activate these undef's to overrule the possible sampletype | |
| 72 /// setting inherited from some other header file: | |
| 73 //#undef SOUNDTOUCH_INTEGER_SAMPLES | |
| 74 //#undef SOUNDTOUCH_FLOAT_SAMPLES | |
| 75 | |
| 76 /// If following flag is defined, always uses multichannel processing | |
| 77 /// routines also for mono and stero sound. This is for routine testing | |
| 78 /// purposes; output should be same with either routines, yet disabling | |
| 79 /// the dedicated mono/stereo processing routines will result in slower | |
| 80 /// runtime performance so recommendation is to keep this off. | |
| 81 // #define USE_MULTICH_ALWAYS | |
| 82 | |
| 83 #if (defined(__SOFTFP__)) | |
| 84 // For Android compilation: Force use of Integer samples in case that | |
| 85 // compilation uses soft-floating point emulation - soft-fp is way too slow | |
| 86 #undef SOUNDTOUCH_FLOAT_SAMPLES | |
| 87 #define SOUNDTOUCH_INTEGER_SAMPLES 1 | |
| 88 #endif | |
| 89 | |
| 90 #if !(SOUNDTOUCH_INTEGER_SAMPLES || SOUNDTOUCH_FLOAT_SAMPLES) | |
| 91 | |
| 92 /// Choose either 32bit floating point or 16bit integer sampletype | |
| 93 /// by choosing one of the following defines, unless this selection | |
| 94 /// has already been done in some other file. | |
| 95 //// | |
| 96 /// Notes: | |
| 97 /// - In Windows environment, choose the sample format with the | |
| 98 /// following defines. | |
| 99 /// - In GNU environment, the floating point samples are used by | |
| 100 /// default, but integer samples can be chosen by giving the | |
| 101 /// following switch to the configure script: | |
| 102 /// ./configure --enable-integer-samples | |
| 103 /// However, if you still prefer to select the sample format here | |
| 104 /// also in GNU environment, then please #undef the INTEGER_SAMPLE | |
| 105 /// and FLOAT_SAMPLE defines first as in comments above. | |
| 106 //#define SOUNDTOUCH_INTEGER_SAMPLES 1 //< 16bit integer samples | |
| 107 #define SOUNDTOUCH_FLOAT_SAMPLES 1 //< 32bit float samples | |
| 108 | |
| 109 #endif | |
| 110 | |
| 111 #if (_M_IX86 || __i386__ || __x86_64__ || _M_X64) | |
| 112 /// Define this to allow X86-specific assembler/intrinsic optimizations. | |
| 113 /// Notice that library contains also usual C++ versions of each of these | |
| 114 /// these routines, so if you're having difficulties getting the optimized | |
| 115 /// routines compiled for whatever reason, you may disable these optimizations | |
| 116 /// to make the library compile. | |
| 117 | |
| 118 #define SOUNDTOUCH_ALLOW_X86_OPTIMIZATIONS 1 | |
| 119 | |
| 120 /// In GNU environment, allow the user to override this setting by | |
| 121 /// giving the following switch to the configure script: | |
| 122 /// ./configure --disable-x86-optimizations | |
| 123 /// ./configure --enable-x86-optimizations=no | |
| 124 #ifdef SOUNDTOUCH_DISABLE_X86_OPTIMIZATIONS | |
| 125 #undef SOUNDTOUCH_ALLOW_X86_OPTIMIZATIONS | |
| 126 #endif | |
| 127 #else | |
| 128 /// Always disable optimizations when not using a x86 systems. | |
| 129 #undef SOUNDTOUCH_ALLOW_X86_OPTIMIZATIONS | |
| 130 | |
| 131 #endif | |
| 132 | |
| 133 // If defined, allows the SIMD-optimized routines to take minor shortcuts | |
| 134 // for improved performance. Undefine to require faithfully similar SIMD | |
| 135 // calculations as in normal C implementation. | |
| 136 #define SOUNDTOUCH_ALLOW_NONEXACT_SIMD_OPTIMIZATION 1 | |
| 137 | |
| 138 | |
| 139 #ifdef SOUNDTOUCH_INTEGER_SAMPLES | |
| 140 // 16bit integer sample type | |
| 141 typedef short SAMPLETYPE; | |
| 142 // data type for sample accumulation: Use 32bit integer to prevent overflows | |
| 143 typedef long LONG_SAMPLETYPE; | |
| 144 | |
| 145 #ifdef SOUNDTOUCH_FLOAT_SAMPLES | |
| 146 // check that only one sample type is defined | |
| 147 #error "conflicting sample types defined" | |
| 148 #endif // SOUNDTOUCH_FLOAT_SAMPLES | |
| 149 | |
| 150 #ifdef SOUNDTOUCH_ALLOW_X86_OPTIMIZATIONS | |
| 151 // Allow MMX optimizations | |
| 152 #define SOUNDTOUCH_ALLOW_MMX 1 | |
| 153 #endif | |
| 154 | |
| 155 #else | |
| 156 | |
| 157 // floating point samples | |
| 158 typedef float SAMPLETYPE; | |
| 159 // data type for sample accumulation: Use double to utilize full precision. | |
| 160 typedef double LONG_SAMPLETYPE; | |
| 161 | |
| 162 #ifdef SOUNDTOUCH_ALLOW_X86_OPTIMIZATIONS | |
| 163 // Allow SSE optimizations | |
| 164 #define SOUNDTOUCH_ALLOW_SSE 1 | |
| 165 #endif | |
| 166 | |
| 167 #endif // SOUNDTOUCH_INTEGER_SAMPLES | |
| 168 | |
| 169 }; | |
| 170 | |
| 171 // define ST_NO_EXCEPTION_HANDLING switch to disable throwing std exceptions: | |
| 172 #define ST_NO_EXCEPTION_HANDLING 1 | |
| 173 #ifdef ST_NO_EXCEPTION_HANDLING | |
| 174 // Exceptions disabled. Throw asserts instead if enabled. | |
| 175 #include <assert.h> | |
| 176 #define ST_THROW_RT_ERROR(x) {assert((const char *)x);} | |
| 177 #else | |
| 178 // use c++ standard exceptions | |
| 179 #include <stdexcept> | |
| 180 #define ST_THROW_RT_ERROR(x) {throw std::runtime_error(x);} | |
| 181 #endif | |
| 182 | |
| 183 // When this #define is active, eliminates a clicking sound when the "rate" or "pitch" | |
| 184 // parameter setting crosses from value <1 to >=1 or vice versa during processing. | |
| 185 // Default is off as such crossover is untypical case and involves a slight sound | |
| 186 // quality compromise. | |
| 187 //#define SOUNDTOUCH_PREVENT_CLICK_AT_RATE_CROSSOVER 1 | |
| 188 | |
| 189 #endif |
