195 lines
6.5 KiB
C++
195 lines
6.5 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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Audacity(R) is copyright (c) 1999-2015 Audacity Team.
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License: GPL v2. See License.txt.
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Audacity.h
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Dominic Mazzoni
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Joshua Haberman
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Vaughan Johnson
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et alii
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********************************************************************//*!
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\file Audacity.h
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This is the main include file for Audacity. All files which need
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any Audacity-specific \#defines or need to access any of Audacity's
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global functions should \#include this file.
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*//********************************************************************/
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#ifndef __AUDACITY_H__
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#define __AUDACITY_H__
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// If building with GNU compiler, then must be 4.9 or later.
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// TODO: This would be much nicer as a standalone test in configure.ac
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#if !defined(__APPLE__) && defined __GNUC__ && ( __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 9))
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#error insufficient compiler
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#endif
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// We only do alpha builds and release versions.
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// Most of the time we're in development, so IS_ALPHA should be defined
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// to 1.
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#define IS_ALPHA 1
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// Increment as appropriate every time we release a NEW version.
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#define AUDACITY_VERSION 2
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#define AUDACITY_RELEASE 2
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#define AUDACITY_REVISION 0
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#define AUDACITY_MODLEVEL 0
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#if IS_ALPHA
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#define AUDACITY_SUFFIX wxT("-alpha-") __TDATE__
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#else
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#define AUDACITY_SUFFIX wxT("") // for a stable release
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#endif
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#define AUDACITY_MAKESTR( x ) #x
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#define AUDACITY_QUOTE( x ) AUDACITY_MAKESTR( x )
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// Version string for visual display
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#define AUDACITY_VERSION_STRING wxT( AUDACITY_QUOTE( AUDACITY_VERSION ) ) wxT(".") \
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wxT( AUDACITY_QUOTE( AUDACITY_RELEASE ) ) wxT(".") \
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wxT( AUDACITY_QUOTE( AUDACITY_REVISION ) ) \
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AUDACITY_SUFFIX
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// Version string for file info (under Windows)
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#define AUDACITY_FILE_VERSION AUDACITY_QUOTE( AUDACITY_VERSION ) "," \
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AUDACITY_QUOTE( AUDACITY_RELEASE ) "," \
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AUDACITY_QUOTE( AUDACITY_REVISION ) "," \
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AUDACITY_QUOTE( AUDACITY_MODLEVEL )
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// Increment this every time the prefs need to be reset
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// the first part (before the r) indicates the version the reset took place
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// the second part (after the r) indicates the number of times the prefs have been reset within the same version
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#define AUDACITY_PREFS_VERSION_STRING "1.1.1r1"
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// Don't change this unless the file format changes
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// in an irrevocable way
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#define AUDACITY_FILE_FORMAT_VERSION "1.3.0"
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class wxWindow;
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void QuitAudacity(bool bForce);
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void QuitAudacity();
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// Please try to support unlimited path length instead of using PLATFORM_MAX_PATH!
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// Define one constant for maximum path value, so we don't have to do
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// platform-specific conditionals everywhere we want to check it.
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#define PLATFORM_MAX_PATH 260 // Play it safe for default, with same value as Windows' MAX_PATH.
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#ifdef __WXMAC__
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#include "configmac.h"
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#undef PLATFORM_MAX_PATH
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#define PLATFORM_MAX_PATH PATH_MAX
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#endif
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#ifdef __WXGTK__
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#include "configunix.h"
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// Some systems do not restrict the path length and therefore PATH_MAX is undefined
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#ifdef PATH_MAX
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#undef PLATFORM_MAX_PATH
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#define PLATFORM_MAX_PATH PATH_MAX
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#endif
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#endif
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#ifdef __WXX11__
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#include "configunix.h"
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// wxX11 should also get the platform-specific definition of PLATFORM_MAX_PATH, so do not declare here.
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#endif
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#ifdef __WXMSW__
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#include "configwin.h"
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#undef PLATFORM_MAX_PATH
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#define PLATFORM_MAX_PATH MAX_PATH
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#endif
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/* Magic for dynamic library import and export. This is unfortunately
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* compiler-specific because there isn't a standard way to do it. Currently it
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* works with the Visual Studio compiler for windows, and for GCC 4+. Anything
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* else gets all symbols made public, which gets messy */
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/* The Visual Studio implementation */
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#ifdef _MSC_VER
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#ifndef AUDACITY_DLL_API
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#ifdef BUILDING_AUDACITY
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#define AUDACITY_DLL_API _declspec(dllexport)
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#else
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#ifdef _DLL
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#define AUDACITY_DLL_API _declspec(dllimport)
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#else
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#define AUDACITY_DLL_API
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#endif
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#endif
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#endif
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#endif //_MSC_VER
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// Put extra symbol information in the release build, for the purpose of gathering
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// profiling information (as from Windows Process Monitor), when there otherwise
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// isn't a need for AUDACITY_DLL_API.
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#if IS_ALPHA
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#define PROFILE_DLL_API AUDACITY_DLL_API
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#else
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#define PROFILE_DLL_API
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#endif
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/* The GCC-elf implementation */
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#ifdef HAVE_VISIBILITY // this is provided by the configure script, is only
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// enabled for suitable GCC versions
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/* The incantation is a bit weird here because it uses ELF symbol stuff. If we
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* make a symbol "default" it makes it visible (for import or export). Making it
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* "hidden" means it is invisible outside the shared object. */
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#ifndef AUDACITY_DLL_API
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#ifdef BUILDING_AUDACITY
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#define AUDACITY_DLL_API __attribute__((visibility("default")))
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#else
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#define AUDACITY_DLL_API __attribute__((visibility("default")))
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#endif
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#endif
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#endif
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/* The GCC-win32 implementation */
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// bizzarely, GCC-for-win32 supports Visual Studio style symbol visibility, so
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// we use that if building on Cygwin
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#if defined __CYGWIN__ && defined __GNUC__
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#ifndef AUDACITY_DLL_API
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#ifdef BUILDING_AUDACITY
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#define AUDACITY_DLL_API _declspec(dllexport)
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#else
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#ifdef _DLL
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#define AUDACITY_DLL_API _declspec(dllimport)
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#else
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#define AUDACITY_DLL_API
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#endif
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#endif
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#endif
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#endif
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// These macros are used widely, so declared here.
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#define QUANTIZED_TIME(time, rate) (floor(((double)(time) * (rate)) + 0.5) / (rate))
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// dB - linear amplitude convesions
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#define DB_TO_LINEAR(x) (pow(10.0, (x) / 20.0))
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#define LINEAR_TO_DB(x) (20.0 * log10(x))
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#define MAX_AUDIO (1. - 1./(1<<15))
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#define JUST_BELOW_MAX_AUDIO (1. - 1./(1<<14))
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// Marks strings for extraction only...must use wxGetTranslation() to translate.
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#define XO(s) wxT(s)
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// Marks string for substitution only.
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#define _TS(s) wxT(s)
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// This renames a good use of this C++ keyword that we don't need to review when hunting for leaks.
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#define PROHIBITED = delete
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// Reviewed, certified, non-leaky uses of NEW that immediately entrust their results to RAII objects.
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// You may use it in NEW code when constructing a wxWindow subclass with non-NULL parent window.
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// You may use it in NEW code when the NEW expression is the constructor argument for a standard smart
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// pointer like std::unique_ptr or std::shared_ptr.
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#define safenew new
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#endif // __AUDACITY_H__
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