lbajardsilogic@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@0: 
lbajardsilogic@0: /*
lbajardsilogic@0:     Sonic Visualiser
lbajardsilogic@0:     An audio file viewer and annotation editor.
lbajardsilogic@0:     Centre for Digital Music, Queen Mary, University of London.
lbajardsilogic@0:     This file copyright 2006 Chris Cannam and QMUL.
lbajardsilogic@0:     
lbajardsilogic@0:     This program is free software; you can redistribute it and/or
lbajardsilogic@0:     modify it under the terms of the GNU General Public License as
lbajardsilogic@0:     published by the Free Software Foundation; either version 2 of the
lbajardsilogic@0:     License, or (at your option) any later version.  See the file
lbajardsilogic@0:     COPYING included with this distribution for more information.
lbajardsilogic@0: */
lbajardsilogic@0: 
lbajardsilogic@0: #ifndef _SYSTEM_H_
lbajardsilogic@0: #define _SYSTEM_H_
lbajardsilogic@0: 
lbajardsilogic@188: //#include <cmath>
lbajardsilogic@188: 
lbajardsilogic@0: #ifdef _WIN32
lbajardsilogic@0: 
lbajardsilogic@0: #include <windows.h>
lbajardsilogic@0: #include <malloc.h>
lbajardsilogic@0: #include <process.h>
lbajardsilogic@0: 
lbajardsilogic@0: #ifdef USE_VC
lbajardsilogic@0: #include <time.h>
lbajardsilogic@0: #include <io.h>
lbajardsilogic@0: #include <math.h>
lbajardsilogic@0: #include <float.h>
lbajardsilogic@0: 
lbajardsilogic@190: #ifndef MIN  
lbajardsilogic@190: #define  MIN(x, y)  min(x, y) 
lbajardsilogic@190: #endif
lbajardsilogic@190: 
lbajardsilogic@190: #ifndef MAX
lbajardsilogic@190: #define  MAX(x, y)  max(x, y) 
lbajardsilogic@190: #endif
lbajardsilogic@190: 
lbajardsilogic@190: #ifndef ISNAN  
lbajardsilogic@190: #define  ISNAN(x)  isnan((x)) 
lbajardsilogic@190: #endif
lbajardsilogic@190: 
lbajardsilogic@190: #ifndef ISINF  
lbajardsilogic@190: #define  ISINF(x)  isinf((x)) 
lbajardsilogic@190: #endif
lbajardsilogic@190: 
lbajardsilogic@0: typedef int WINBOOL;
lbajardsilogic@0: 
lbajardsilogic@188: typedef signed char int8_t;
lbajardsilogic@188: typedef unsigned char   uint8_t;
lbajardsilogic@188: typedef short  int16_t;
lbajardsilogic@188: typedef unsigned short  uint16_t;
lbajardsilogic@0: typedef long ssize_t;
lbajardsilogic@0: typedef unsigned short mode_t;
lbajardsilogic@0: 
lbajardsilogic@188: #define	_S_IWUSR	_S_IWRITE
lbajardsilogic@188: #define	_S_IRUSR	_S_IREAD
lbajardsilogic@188: #define	S_IRUSR		_S_IRUSR
lbajardsilogic@0: #define	S_IWUSR		_S_IWUSR
lbajardsilogic@0: 
lbajardsilogic@188: /* If we're not using GNU C, elide __attribute__ */
lbajardsilogic@188: #ifndef __GNUC__
lbajardsilogic@188: #  define  __attribute__(x)  /*NOTHING*/
lbajardsilogic@0: #endif
lbajardsilogic@0: 
lbajardsilogic@188: /*  Win32 doesn't seem to have these functions. 
lbajardsilogic@188: **	Therefore implement inline versions of these functions here.
lbajardsilogic@188: */
lbajardsilogic@188: 	
lbajardsilogic@188: __inline long int lrint (double flt)
lbajardsilogic@188: {	int intgr;
lbajardsilogic@188: 	_asm
lbajardsilogic@188: 	{	fld flt
lbajardsilogic@188: 		fistp intgr
lbajardsilogic@188: 	} ;
lbajardsilogic@188: 			
lbajardsilogic@188: 	return intgr ;
lbajardsilogic@188: } 
lbajardsilogic@188: 	
lbajardsilogic@188: __inline long int lrintf (float flt)
lbajardsilogic@188: {	int intgr;
lbajardsilogic@188: 	_asm
lbajardsilogic@188: 	{	fld flt
lbajardsilogic@188: 		fistp intgr
lbajardsilogic@188: 	} ;
lbajardsilogic@188: 		
lbajardsilogic@188: 	return intgr ;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@188: __inline double nearbyint(double x)
lbajardsilogic@188: {
lbajardsilogic@188:     unsigned int tmpMSW1;
lbajardsilogic@188:     unsigned int tmpMSW2;
lbajardsilogic@188:     __asm {
lbajardsilogic@188:         // get current state
lbajardsilogic@188:         fnstcw tmpMSW1
lbajardsilogic@188:     }
lbajardsilogic@188:     // set bit 5
lbajardsilogic@188:     tmpMSW2 = tmpMSW1 | 0x00000020;
lbajardsilogic@188: 	__asm {
lbajardsilogic@188:         // and load
lbajardsilogic@188:         fldcw tmpMSW2
lbajardsilogic@188:         // do the job
lbajardsilogic@188:         fld x
lbajardsilogic@188:         frndint
lbajardsilogic@188:         // clear exception
lbajardsilogic@188:         fclex
lbajardsilogic@188:         // restore old state
lbajardsilogic@188:         fldcw tmpMSW1
lbajardsilogic@188:     }
lbajardsilogic@188: }
lbajardsilogic@188: 
lbajardsilogic@188: #ifndef isinf
lbajardsilogic@188: #define isinf(d) ((_fpclass(d) == _FPCLASS_PINF) ? 1 \
lbajardsilogic@188:          : ((_fpclass(d) == _FPCLASS_NINF) ? -1 : 0))
lbajardsilogic@188: #endif
lbajardsilogic@188: /* _isnan(x) returns nonzero if (x == NaN) and zero otherwise. */
lbajardsilogic@188: #ifndef isnan
lbajardsilogic@188: #define isnan(d) (_isnan(d))
lbajardsilogic@188: #endif
lbajardsilogic@188: 
lbajardsilogic@188: #define ftruncate _chsize 
lbajardsilogic@0: 
lbajardsilogic@0: #else /*USE_VC*/
lbajardsilogic@0: #include <sys/time.h>
lbajardsilogic@0: #include <stdint.h>
lbajardsilogic@0: #endif /*USE_VC*/
lbajardsilogic@0: 
lbajardsilogic@0: #define MLOCK(a,b)   1
lbajardsilogic@0: #define MUNLOCK(a,b) 1
lbajardsilogic@0: #define MUNLOCK_SAMPLEBLOCK(a) 1
lbajardsilogic@0: 
lbajardsilogic@0: #define DLOPEN(a,b)  LoadLibrary((a).toStdWString().c_str())
lbajardsilogic@0: #define DLSYM(a,b)   GetProcAddress((HINSTANCE)(a),(b))
lbajardsilogic@0: #define DLCLOSE(a)   (!FreeLibrary((HINSTANCE)(a)))
lbajardsilogic@0: #define DLERROR()    ""
lbajardsilogic@0: 
lbajardsilogic@0: #define PLUGIN_GLOB  "*.dll"
lbajardsilogic@0: #define PATH_SEPARATOR ';'
lbajardsilogic@0: 
lbajardsilogic@0: // The default Vamp plugin path is obtained from a function in the
lbajardsilogic@0: // Vamp SDK (Vamp::PluginHostAdapter::getPluginPath).
lbajardsilogic@0: 
lbajardsilogic@0: // At the time of writing, at least, the vast majority of LADSPA
lbajardsilogic@0: // plugins on Windows hosts will have been put there for use in
lbajardsilogic@0: // Audacity.  It's a bit of a shame that Audacity uses its own Program
lbajardsilogic@0: // Files directory for plugins that any host may want to use... maybe
lbajardsilogic@0: // they were just following the example of VSTs, which are usually
lbajardsilogic@0: // found in Steinberg's Program Files directory.  Anyway, we can
lbajardsilogic@0: // greatly increase our chances of picking up some LADSPA plugins by
lbajardsilogic@0: // default if we include the Audacity plugin location as well as an
lbajardsilogic@0: // (imho) more sensible place.
lbajardsilogic@0: 
lbajardsilogic@0: #define DEFAULT_LADSPA_PATH "%ProgramFiles%\\LADSPA Plugins;%ProgramFiles%\\Audacity\\Plug-Ins"
lbajardsilogic@0: #define DEFAULT_DSSI_PATH   "%ProgramFiles%\\DSSI Plugins"
lbajardsilogic@0: 
lbajardsilogic@0: #define getpid _getpid
lbajardsilogic@0: 
lbajardsilogic@0: extern "C" {
lbajardsilogic@0: void usleep(unsigned long usec);
lbajardsilogic@0: void gettimeofday(struct timeval *p, void *tz);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: #else /* ! _WIN32 */
lbajardsilogic@0: 
lbajardsilogic@191: #include <sys/time.h>
lbajardsilogic@191: #include <stdint.h>
lbajardsilogic@191: 
lbajardsilogic@0: #include <sys/mman.h>
lbajardsilogic@0: #include <dlfcn.h>
lbajardsilogic@0: 
lbajardsilogic@0: #define MLOCK(a,b)   ::mlock((a),(b))
lbajardsilogic@0: #define MUNLOCK(a,b) (::munlock((a),(b)) ? (::perror("munlock failed"), 0) : 0)
lbajardsilogic@0: #define MUNLOCK_SAMPLEBLOCK(a) do { if (!(a).empty()) { const float &b = *(a).begin(); MUNLOCK(&b, (a).capacity() * sizeof(float)); } } while(0);
lbajardsilogic@0: //#define MLOCK(a,b)   1
lbajardsilogic@0: //#define MUNLOCK(a,b) 1
lbajardsilogic@0: //#define MUNLOCK_SAMPLEBLOCK(a) 1
lbajardsilogic@0: 
lbajardsilogic@0: #define DLOPEN(a,b)  dlopen((a).toStdString().c_str(),(b))
lbajardsilogic@0: #define DLSYM(a,b)   dlsym((a),(b))
lbajardsilogic@0: #define DLCLOSE(a)   dlclose((a))
lbajardsilogic@0: #define DLERROR()    dlerror()
lbajardsilogic@0: 
lbajardsilogic@0: #ifdef __APPLE__
lbajardsilogic@0: 
lbajardsilogic@0: #define PLUGIN_GLOB  "*.dylib *.so"
lbajardsilogic@0: #define PATH_SEPARATOR ':'
lbajardsilogic@0: 
lbajardsilogic@0: #define DEFAULT_LADSPA_PATH "$HOME/Library/Audio/Plug-Ins/LADSPA:/Library/Audio/Plug-Ins/LADSPA"
lbajardsilogic@0: #define DEFAULT_DSSI_PATH   "$HOME/Library/Audio/Plug-Ins/DSSI:/Library/Audio/Plug-Ins/DSSI"
lbajardsilogic@0: 
lbajardsilogic@0: #else 
lbajardsilogic@0: 
lbajardsilogic@0: #define PLUGIN_GLOB  "*.so"
lbajardsilogic@0: #define PATH_SEPARATOR ':'
lbajardsilogic@0: 
lbajardsilogic@0: #define DEFAULT_LADSPA_PATH "$HOME/ladspa:$HOME/.ladspa:/usr/local/lib/ladspa:/usr/lib/ladspa"
lbajardsilogic@0: #define DEFAULT_DSSI_PATH "$HOME/dssi:$HOME/.dssi:/usr/local/lib/dssi:/usr/lib/dssi"
lbajardsilogic@0: 
lbajardsilogic@0: #endif /* __APPLE__ */
lbajardsilogic@0: 
lbajardsilogic@0: #endif /* ! _WIN32 */
lbajardsilogic@0: 
lbajardsilogic@188: #include <cmath>
lbajardsilogic@188: #include <algorithm>
lbajardsilogic@188: 
lbajardsilogic@188: #ifdef __GNUC__
lbajardsilogic@188: 
lbajardsilogic@188: #ifndef MIN  
lbajardsilogic@188: #define  MIN(x, y)  std::min(x, y) 
lbajardsilogic@0: #endif
lbajardsilogic@188: 
lbajardsilogic@188: #ifndef MAX
lbajardsilogic@188: #define  MAX(x, y)  std::max(x, y) 
lbajardsilogic@0: #endif
lbajardsilogic@188: 
lbajardsilogic@190: #ifndef ISNAN  
lbajardsilogic@190: #define  ISNAN(x)  std::isnan((x)) 
lbajardsilogic@188: #endif
lbajardsilogic@188: 
lbajardsilogic@190: #ifndef ISINF  
lbajardsilogic@190: #define  ISINF(x)  std::isinf((x)) 
lbajardsilogic@0: #endif
lbajardsilogic@0: 
lbajardsilogic@0: #endif /* __GNUC__ */
lbajardsilogic@0: 
lbajardsilogic@0: enum ProcessStatus { ProcessRunning, ProcessNotRunning, UnknownProcessStatus };
lbajardsilogic@0: extern ProcessStatus GetProcessStatus(int pid);
lbajardsilogic@0: 
lbajardsilogic@0: // Return a vague approximation to the number of free megabytes of real memory.
lbajardsilogic@0: // Return -1 if unknown.
lbajardsilogic@0: extern void GetRealMemoryMBAvailable(int &available, int &total);
lbajardsilogic@0: 
lbajardsilogic@0: // Return a vague approximation to the number of free megabytes of disc space
lbajardsilogic@0: // on the partition containing the given path.  Return -1 if unknown.
lbajardsilogic@0: extern int GetDiscSpaceMBAvailable(const char *path);
lbajardsilogic@0: 
lbajardsilogic@188: //#include <cmath>
lbajardsilogic@0: 
lbajardsilogic@0: extern double mod(double x, double y);
lbajardsilogic@0: extern float modf(float x, float y);
lbajardsilogic@0: 
lbajardsilogic@0: extern double princarg(double a);
lbajardsilogic@0: extern float princargf(float a);
lbajardsilogic@0: 
lbajardsilogic@0: #endif /* ! _SYSTEM_H_ */
lbajardsilogic@0: 
lbajardsilogic@0: