/[svn]/linuxsampler/trunk/src/common/global_private.h
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Contents of /linuxsampler/trunk/src/common/global_private.h

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Revision 3763 - (show annotations) (download) (as text)
Sun Apr 5 20:15:57 2020 UTC (17 months, 2 weeks ago) by schoenebeck
File MIME type: text/x-c++hdr
File size: 5723 byte(s)
* Implemented global backtraceAsString() function for debugging purposes
  (POSIX systems only, no Windows implementation yet).

* Bumped version (2.1.1.svn51).

1 /***************************************************************************
2 * *
3 * LinuxSampler - modular, streaming capable sampler *
4 * *
5 * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6 * Copyright (C) 2005 - 2020 Christian Schoenebeck *
7 * *
8 * This program is free software; you can redistribute it and/or modify *
9 * it under the terms of the GNU General Public License as published by *
10 * the Free Software Foundation; either version 2 of the License, or *
11 * (at your option) any later version. *
12 * *
13 * This program is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16 * GNU General Public License for more details. *
17 * *
18 * You should have received a copy of the GNU General Public License *
19 * along with this program; if not, write to the Free Software *
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21 * MA 02111-1307 USA *
22 ***************************************************************************/
23
24 // All application global declarations, that are not going to be exposed to
25 // the C++ API are defined here.
26
27 #ifndef __LS_GLOBAL_PRIVATE_H__
28 #define __LS_GLOBAL_PRIVATE_H__
29
30 #include "global.h"
31 #include "Exception.h"
32 #include <sstream>
33 #include <algorithm>
34 #include <math.h>
35
36 #if HAVE_CONFIG_H
37 # include <config.h>
38 #endif
39
40 #if CONFIG_DEBUG_LEVEL > 0
41 # define dmsg(debuglevel,x) if (CONFIG_DEBUG_LEVEL >= debuglevel) {printf x; fflush(stdout);}
42 #else
43 # define dmsg(debuglevel,x)
44 #endif // CONFIG_DEBUG_LEVEL > 0
45
46 #define _strfy(s) #s
47 #define strfy(s) _strfy(s)
48
49 #define EMMS __asm__ __volatile__ ("emms" ::: "st", "st(1)", "st(2)", "st(3)", "st(4)", "st(5)", "st(6)", "st(7)", "mm0", "mm1", "mm2", "mm3", "mm4", "mm5", "mm6", "mm7")
50
51 /// defines globally the bit depth of used samples
52 typedef int16_t sample_t;
53
54 // macro to check for a certain version (or newer) of GCC
55 #define GNUC_VERSION_PREREQ(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
56
57 #if ( GNUC_VERSION_PREREQ(3,3) && ( defined(__i386__) || defined(__x86_64__) || defined(_ARCH_PPC) ) )
58 #define HAVE_GCC_VECTOR_EXTENSIONS 1
59 #endif
60
61 #if HAVE_GCC_VECTOR_EXTENSIONS
62 // v4sf is used by some routines that make use of GCC vector extensions (ie AudioChannel.cpp)
63 typedef float v4sf __attribute__ ((vector_size(16)));
64 #endif
65
66 // circumvents a bug in GCC 4.x which causes a sizeof() expression applied
67 // on a class member to throw a compiler error, i.e. with GCC 4.4:
68 // "object missing in reference to 'LinuxSampler::AbstractEngineChannel::ControllerTable'")
69 // or with GCC 4.0:
70 // "invalid use of non-static data member 'LinuxSampler::AbstractEngineChannel::ControllerTable'"
71 #define _MEMBER_SIZEOF(T_Class, Member) sizeof(((T_Class*)NULL)->Member)
72
73 /**
74 * Whether a function / method call was successful, or if warnings or even an
75 * error occured.
76 */
77 enum result_type_t {
78 result_type_success,
79 result_type_warning,
80 result_type_error
81 };
82
83 /**
84 * Used whenever a detailed description of the result of a function / method
85 * call is needed.
86 */
87 struct result_t {
88 result_type_t type; ///< success, warning or error
89 int code; ///< warning or error code
90 String message; ///< detailed warning or error message
91 };
92
93 template<class T> inline String ToString(T o) {
94 std::stringstream ss;
95 ss << o;
96 return ss.str();
97 }
98
99 inline int ToInt(const std::string& s) throw(LinuxSampler::Exception) {
100 int i;
101 std::istringstream iss(s);
102 if(!(iss >> i)) throw LinuxSampler::Exception("Not an integer");
103 return i;
104 }
105
106 inline float ToFloat(const std::string& s) throw(LinuxSampler::Exception) {
107 float i;
108 std::istringstream iss(s);
109 if(!(iss >> i)) throw LinuxSampler::Exception("Not a floating-point number");
110 return i;
111 }
112
113 inline std::string ltrim(std::string s) {
114 s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](int ch) {
115 return !std::isspace(ch);
116 }));
117 return s;
118 }
119
120 inline std::string rtrim(std::string s) {
121 s.erase(std::find_if(s.rbegin(), s.rend(), [](int ch) {
122 return !std::isspace(ch);
123 }).base(), s.end());
124 return s;
125 }
126
127 inline std::string trim(std::string s) {
128 return ltrim(rtrim(s));
129 }
130
131 class Runnable {
132 public:
133 virtual ~Runnable() { }
134 virtual void Run() = 0;
135 };
136
137 extern double GLOBAL_VOLUME;
138 extern int GLOBAL_MAX_VOICES;
139 extern int GLOBAL_MAX_STREAMS;
140
141 //TODO: (hopefully) just a temporary nasty hack for launching gigedit on the main thread on Mac (see comments in gigedit.cpp for details)
142 #if defined(__APPLE__)
143 extern bool g_mainThreadCallbackSupported;
144 extern void (*g_mainThreadCallback)(void* info);
145 extern void* g_mainThreadCallbackInfo;
146 extern bool g_fireMainThreadCallback;
147 #endif
148
149 // I read with some Linux kernel versions (between 2.4.18 and 2.4.21)
150 // sscanf() might be buggy regarding parsing of hex characters, so ...
151 int hexToNumber(char hex_digit);
152 int hexsToNumber(char hex_digit0, char hex_digit1 = '0');
153
154 std::string backtraceAsString();
155
156 #endif // __LS_GLOBAL_PRIVATE_H__

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