Chris@150: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@150: 
Chris@150: /*
Chris@150:     Sonic Visualiser
Chris@150:     An audio file viewer and annotation editor.
Chris@150:     Centre for Digital Music, Queen Mary, University of London.
Chris@1475:     This file copyright 2006-2018 Chris Cannam and QMUL.
Chris@150:     
Chris@150:     This program is free software; you can redistribute it and/or
Chris@150:     modify it under the terms of the GNU General Public License as
Chris@150:     published by the Free Software Foundation; either version 2 of the
Chris@150:     License, or (at your option) any later version.  See the file
Chris@150:     COPYING included with this distribution for more information.
Chris@150: */
Chris@150: 
Chris@1475: #ifndef SV_SYSTEM_H
Chris@1475: #define SV_SYSTEM_H
Chris@150: 
Chris@687: #include "base/Debug.h"
Chris@687: 
Chris@150: #ifdef _WIN32
Chris@150: 
Chris@150: #include <windows.h>
Chris@150: #include <malloc.h>
Chris@150: #include <process.h>
Chris@606: #include <math.h>
Chris@150: 
Chris@150: #define MLOCK(a,b)   1
Chris@150: #define MUNLOCK(a,b) 1
Chris@150: #define MUNLOCK_SAMPLEBLOCK(a) 1
Chris@368: #define MUNLOCKALL() 1
Chris@150: 
Chris@835: extern void SystemMemoryBarrier();
Chris@835: #define MBARRIER()   SystemMemoryBarrier()
Chris@835: 
Chris@150: #define DLOPEN(a,b)  LoadLibrary((a).toStdWString().c_str())
Chris@150: #define DLSYM(a,b)   GetProcAddress((HINSTANCE)(a),(b))
Chris@223: #define DLCLOSE(a)   (!FreeLibrary((HINSTANCE)(a)))
Chris@150: #define DLERROR()    ""
Chris@150: 
Chris@150: #define PLUGIN_GLOB  "*.dll"
Chris@223: #define PATH_SEPARATOR ';'
Chris@186: 
Chris@219: // The default Vamp plugin path is obtained from a function in the
Chris@219: // Vamp SDK (Vamp::PluginHostAdapter::getPluginPath).
Chris@186: 
Chris@219: // At the time of writing, at least, the vast majority of LADSPA
Chris@219: // plugins on Windows hosts will have been put there for use in
Chris@219: // Audacity.  It's a bit of a shame that Audacity uses its own Program
Chris@219: // Files directory for plugins that any host may want to use... maybe
Chris@219: // they were just following the example of VSTs, which are usually
Chris@219: // found in Steinberg's Program Files directory.  Anyway, we can
Chris@219: // greatly increase our chances of picking up some LADSPA plugins by
Chris@219: // default if we include the Audacity plugin location as well as an
Chris@219: // (imho) more sensible place.
Chris@219: 
Chris@223: #define DEFAULT_LADSPA_PATH "%ProgramFiles%\\LADSPA Plugins;%ProgramFiles%\\Audacity\\Plug-Ins"
Chris@186: #define DEFAULT_DSSI_PATH   "%ProgramFiles%\\DSSI Plugins"
Chris@150: 
Chris@150: #define getpid _getpid
Chris@150: 
Chris@1216: #if defined(_MSC_VER)
Chris@1216: #include <BaseTsd.h>
Chris@1216: typedef SSIZE_T ssize_t;
Chris@1216: #endif
Chris@1216: 
Chris@1232: #ifdef _MSC_VER
Chris@150: extern "C" {
Chris@150: void usleep(unsigned long usec);
Chris@1232: }
Chris@1232: #else
Chris@1232: #include <unistd.h>
Chris@1218: #endif
Chris@1218: 
Chris@1232: extern "C" {
Chris@501: int gettimeofday(struct timeval *p, void *tz);
Chris@150: }
Chris@150: 
Chris@765: #define ISNAN std::isnan
Chris@765: #define ISINF std::isinf
Chris@606: 
Chris@150: #else
Chris@150: 
Chris@150: #include <sys/mman.h>
Chris@150: #include <dlfcn.h>
Chris@602: #include <stdio.h> // for perror
Chris@606: #include <cmath>
Chris@1219: #include <unistd.h> // sleep + usleep primarily
Chris@150: 
Chris@150: #define MLOCK(a,b)   ::mlock((a),(b))
Chris@150: #define MUNLOCK(a,b) (::munlock((a),(b)) ? (::perror("munlock failed"), 0) : 0)
Chris@150: #define MUNLOCK_SAMPLEBLOCK(a) do { if (!(a).empty()) { const float &b = *(a).begin(); MUNLOCK(&b, (a).capacity() * sizeof(float)); } } while(0);
Chris@232: //#define MLOCK(a,b)   1
Chris@232: //#define MUNLOCK(a,b) 1
Chris@232: //#define MUNLOCK_SAMPLEBLOCK(a) 1
Chris@150: 
Chris@150: #define DLOPEN(a,b)  dlopen((a).toStdString().c_str(),(b))
Chris@150: #define DLSYM(a,b)   dlsym((a),(b))
Chris@150: #define DLCLOSE(a)   dlclose((a))
Chris@150: #define DLERROR()    dlerror()
Chris@150: 
Chris@606: #include <cmath>
Chris@606: #define ISNAN std::isnan
Chris@606: #define ISINF std::isinf
Chris@606: 
Chris@150: #ifdef __APPLE__
Chris@150: 
Chris@255: #define PLUGIN_GLOB  "*.dylib *.so"
Chris@223: #define PATH_SEPARATOR ':'
Chris@186: 
Chris@186: #define DEFAULT_LADSPA_PATH "$HOME/Library/Audio/Plug-Ins/LADSPA:/Library/Audio/Plug-Ins/LADSPA"
Chris@186: #define DEFAULT_DSSI_PATH   "$HOME/Library/Audio/Plug-Ins/DSSI:/Library/Audio/Plug-Ins/DSSI"
Chris@150: 
Chris@368: #define MUNLOCKALL() 1
Chris@368: 
Chris@835: #include <libkern/OSAtomic.h>
Chris@835: #define MBARRIER() OSMemoryBarrier()
Chris@835: 
Chris@150: #else 
Chris@150: 
Chris@606: #ifdef sun
Chris@606: #undef MLOCK
Chris@606: #undef MUNLOCK
Chris@606: #define MLOCK(a,b) ::mlock((char *)a,b)
Chris@606: #define MUNLOCK(a,b) ::munlock((char *)a,b)
Chris@606: #ifdef __SUNPRO_CC
Chris@606: #undef ISNAN
Chris@606: #undef ISINF
Chris@606: #define ISNAN(x) ((x)!=(x))
Chris@606: #define ISINF(x) 0
Chris@606: #endif
Chris@606: #endif
Chris@606: 
Chris@150: #define PLUGIN_GLOB  "*.so"
Chris@223: #define PATH_SEPARATOR ':'
Chris@186: 
Chris@186: #define DEFAULT_LADSPA_PATH "$HOME/ladspa:$HOME/.ladspa:/usr/local/lib/ladspa:/usr/lib/ladspa"
Chris@186: #define DEFAULT_DSSI_PATH "$HOME/dssi:$HOME/.dssi:/usr/local/lib/dssi:/usr/lib/dssi"
Chris@150: 
Chris@368: #define MUNLOCKALL() ::munlockall()
Chris@368: 
Chris@835: #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)
Chris@835: #define MBARRIER() __sync_synchronize()
Chris@835: #else
Chris@835: extern void SystemMemoryBarrier();
Chris@835: #define MBARRIER() SystemMemoryBarrier()
Chris@835: #endif
Chris@835: 
Chris@835: #endif /* ! __APPLE__ */
Chris@150: 
Chris@150: #endif /* ! _WIN32 */
Chris@150: 
Chris@150: enum ProcessStatus { ProcessRunning, ProcessNotRunning, UnknownProcessStatus };
Chris@150: extern ProcessStatus GetProcessStatus(int pid);
Chris@150: 
Chris@168: // Return a vague approximation to the number of free megabytes of real memory.
Chris@1405: // Return -1 if unknown. (Hence signed args.) Note that this could be more than
Chris@1405: // is actually addressable, e.g. for a 32-bit process on a 64-bit system.
Chris@1038: extern void GetRealMemoryMBAvailable(ssize_t &available, ssize_t &total);
Chris@168: 
Chris@1038: // Return a vague approximation to the number of free megabytes of
Chris@1038: // disc space on the partition containing the given path.  Return -1
Chris@1038: // if unknown. (Hence signed return type)
Chris@1038: extern ssize_t GetDiscSpaceMBAvailable(const char *path);
Chris@168: 
Chris@1818: // Return true if the OS desktop is set to use a dark mode
Chris@1818: // theme. Return false if it is set to a light theme or if the theme
Chris@1818: // is unknown.
Chris@1819: extern bool OSReportsDarkThemeActive();
Chris@1818: 
Chris@1820: // Return true if the OS desktop reports an accent colour to go with
Chris@1820: // the current theme; if so, also return by reference the r, g, and b
Chris@1820: // components of the colour (range 0-255). Return false if we can't
Chris@1820: // query such a thing.
Chris@1820: extern bool OSQueryAccentColour(int &r, int &g, int &b);
Chris@1820: 
Chris@303: extern void StoreStartupLocale();
Chris@303: extern void RestoreStartupLocale();
Chris@303: 
Chris@150: #include <cmath>
Chris@150: 
Chris@1059: #ifndef M_PI
Chris@1059: #define M_PI 3.14159265358979323846
Chris@1059: #endif
Chris@1059: 
Chris@150: extern double mod(double x, double y);
Chris@150: extern float modf(float x, float y);
Chris@150: 
Chris@150: extern double princarg(double a);
Chris@150: extern float princargf(float a);
Chris@150: 
Chris@573: #ifdef USE_POW_NO_F
Chris@573: #define powf pow
Chris@573: #endif
Chris@573: 
Chris@1475: /** Return the value of the given environment variable by reference.
Chris@1475:     Return true if successfully retrieved, false if unset or on error.
Chris@1475:     Both the variable name and the returned value are UTF-8 encoded.
Chris@1475: */
Chris@1475: extern bool getEnvUtf8(std::string variable, std::string &value);
Chris@1475: 
Chris@1475: /** Set the value of the given environment variable.
Chris@1475:     Return true if successfully set, false on error.
Chris@1475:     Both the variable name and the value must be UTF-8 encoded.
Chris@1475: */
Chris@1475: extern bool putEnvUtf8(std::string variable, std::string value);
Chris@1475: 
Chris@150: #endif /* ! _SYSTEM_H_ */
Chris@150: 
Chris@150: