annotate system/System.h @ 573:bdc9bb371a9f

...
author Chris Cannam
date Fri, 13 Mar 2009 17:53:43 +0000
parents ca208281238b
children 02d9664906e8
rev   line source
Chris@150 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@150 2
Chris@150 3 /*
Chris@150 4 Sonic Visualiser
Chris@150 5 An audio file viewer and annotation editor.
Chris@150 6 Centre for Digital Music, Queen Mary, University of London.
Chris@202 7 This file copyright 2006 Chris Cannam and QMUL.
Chris@150 8
Chris@150 9 This program is free software; you can redistribute it and/or
Chris@150 10 modify it under the terms of the GNU General Public License as
Chris@150 11 published by the Free Software Foundation; either version 2 of the
Chris@150 12 License, or (at your option) any later version. See the file
Chris@150 13 COPYING included with this distribution for more information.
Chris@150 14 */
Chris@150 15
Chris@150 16 #ifndef _SYSTEM_H_
Chris@150 17 #define _SYSTEM_H_
Chris@150 18
Chris@150 19 #ifdef _WIN32
Chris@150 20
Chris@150 21 #include <windows.h>
Chris@150 22 #include <malloc.h>
Chris@150 23 #include <process.h>
Chris@150 24
Chris@150 25 #define MLOCK(a,b) 1
Chris@150 26 #define MUNLOCK(a,b) 1
Chris@150 27 #define MUNLOCK_SAMPLEBLOCK(a) 1
Chris@368 28 #define MUNLOCKALL() 1
Chris@150 29
Chris@150 30 #define DLOPEN(a,b) LoadLibrary((a).toStdWString().c_str())
Chris@150 31 #define DLSYM(a,b) GetProcAddress((HINSTANCE)(a),(b))
Chris@223 32 #define DLCLOSE(a) (!FreeLibrary((HINSTANCE)(a)))
Chris@150 33 #define DLERROR() ""
Chris@150 34
Chris@150 35 #define PLUGIN_GLOB "*.dll"
Chris@223 36 #define PATH_SEPARATOR ';'
Chris@186 37
Chris@219 38 // The default Vamp plugin path is obtained from a function in the
Chris@219 39 // Vamp SDK (Vamp::PluginHostAdapter::getPluginPath).
Chris@186 40
Chris@219 41 // At the time of writing, at least, the vast majority of LADSPA
Chris@219 42 // plugins on Windows hosts will have been put there for use in
Chris@219 43 // Audacity. It's a bit of a shame that Audacity uses its own Program
Chris@219 44 // Files directory for plugins that any host may want to use... maybe
Chris@219 45 // they were just following the example of VSTs, which are usually
Chris@219 46 // found in Steinberg's Program Files directory. Anyway, we can
Chris@219 47 // greatly increase our chances of picking up some LADSPA plugins by
Chris@219 48 // default if we include the Audacity plugin location as well as an
Chris@219 49 // (imho) more sensible place.
Chris@219 50
Chris@223 51 #define DEFAULT_LADSPA_PATH "%ProgramFiles%\\LADSPA Plugins;%ProgramFiles%\\Audacity\\Plug-Ins"
Chris@186 52 #define DEFAULT_DSSI_PATH "%ProgramFiles%\\DSSI Plugins"
Chris@150 53
Chris@150 54 #define getpid _getpid
Chris@150 55
Chris@150 56 extern "C" {
Chris@150 57 void usleep(unsigned long usec);
Chris@501 58 int gettimeofday(struct timeval *p, void *tz);
Chris@150 59 }
Chris@150 60
Chris@150 61 #else
Chris@150 62
Chris@150 63 #include <sys/mman.h>
Chris@150 64 #include <dlfcn.h>
Chris@150 65
Chris@150 66 #define MLOCK(a,b) ::mlock((a),(b))
Chris@150 67 #define MUNLOCK(a,b) (::munlock((a),(b)) ? (::perror("munlock failed"), 0) : 0)
Chris@150 68 #define MUNLOCK_SAMPLEBLOCK(a) do { if (!(a).empty()) { const float &b = *(a).begin(); MUNLOCK(&b, (a).capacity() * sizeof(float)); } } while(0);
Chris@232 69 //#define MLOCK(a,b) 1
Chris@232 70 //#define MUNLOCK(a,b) 1
Chris@232 71 //#define MUNLOCK_SAMPLEBLOCK(a) 1
Chris@150 72
Chris@150 73 #define DLOPEN(a,b) dlopen((a).toStdString().c_str(),(b))
Chris@150 74 #define DLSYM(a,b) dlsym((a),(b))
Chris@150 75 #define DLCLOSE(a) dlclose((a))
Chris@150 76 #define DLERROR() dlerror()
Chris@150 77
Chris@150 78 #ifdef __APPLE__
Chris@150 79
Chris@255 80 #define PLUGIN_GLOB "*.dylib *.so"
Chris@223 81 #define PATH_SEPARATOR ':'
Chris@186 82
Chris@186 83 #define DEFAULT_LADSPA_PATH "$HOME/Library/Audio/Plug-Ins/LADSPA:/Library/Audio/Plug-Ins/LADSPA"
Chris@186 84 #define DEFAULT_DSSI_PATH "$HOME/Library/Audio/Plug-Ins/DSSI:/Library/Audio/Plug-Ins/DSSI"
Chris@150 85
Chris@368 86 #define MUNLOCKALL() 1
Chris@368 87
Chris@150 88 #else
Chris@150 89
Chris@150 90 #define PLUGIN_GLOB "*.so"
Chris@223 91 #define PATH_SEPARATOR ':'
Chris@186 92
Chris@186 93 #define DEFAULT_LADSPA_PATH "$HOME/ladspa:$HOME/.ladspa:/usr/local/lib/ladspa:/usr/lib/ladspa"
Chris@186 94 #define DEFAULT_DSSI_PATH "$HOME/dssi:$HOME/.dssi:/usr/local/lib/dssi:/usr/lib/dssi"
Chris@150 95
Chris@368 96 #define MUNLOCKALL() ::munlockall()
Chris@368 97
Chris@150 98 #endif /* __APPLE__ */
Chris@150 99
Chris@150 100 #endif /* ! _WIN32 */
Chris@150 101
Chris@150 102 enum ProcessStatus { ProcessRunning, ProcessNotRunning, UnknownProcessStatus };
Chris@150 103 extern ProcessStatus GetProcessStatus(int pid);
Chris@150 104
Chris@168 105 // Return a vague approximation to the number of free megabytes of real memory.
Chris@168 106 // Return -1 if unknown.
Chris@170 107 extern void GetRealMemoryMBAvailable(int &available, int &total);
Chris@168 108
Chris@168 109 // Return a vague approximation to the number of free megabytes of disc space
Chris@168 110 // on the partition containing the given path. Return -1 if unknown.
Chris@168 111 extern int GetDiscSpaceMBAvailable(const char *path);
Chris@168 112
Chris@303 113 extern void StoreStartupLocale();
Chris@303 114 extern void RestoreStartupLocale();
Chris@303 115
Chris@150 116 #include <cmath>
Chris@150 117
Chris@150 118 extern double mod(double x, double y);
Chris@150 119 extern float modf(float x, float y);
Chris@150 120
Chris@150 121 extern double princarg(double a);
Chris@150 122 extern float princargf(float a);
Chris@150 123
Chris@573 124 #ifdef USE_POW_NO_F
Chris@573 125 #define powf pow
Chris@573 126 #endif
Chris@573 127
Chris@150 128 #endif /* ! _SYSTEM_H_ */
Chris@150 129
Chris@150 130