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Contents of /libgig/trunk/README

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Revision 1063 - (show annotations) (download)
Sat Mar 3 21:45:25 2007 UTC (14 years, 7 months ago) by schoenebeck
File size: 8999 byte(s)
* fixed libgig's Dev-C++ project file to produce an actually working
  Windows DLL file (mandatory symbols were not exported so far)
* fixed native Windows implementation of RIFF::File::__GetFileSize() to
  work with younger versions than XP as well
* added Dev-C++ project files for the demo / example applications as well
* added instructions in README for how to compile libgig and its tools for

1 Home
2 ====
3 You can always find the latest version of libgig at:
4 http://stud.hs-heilbronn.de/~cschoene/projects/libgig/
6 Content
7 =======
8 libgig actually consists of three parts:
10 - RIFF classes (RIFF.h, RIFF.cpp): Provides convenient methods to parse and
11 access arbitrary RIFF files.
12 - DLS classes (DLS.h, DLS.cpp): They're using the RIFF classes to parse
13 DLS (Downloadable Sounds) Level 1 and 2
14 files and provide abstract access to the
15 data.
16 - gig classes (gig.h, gig.cpp): These are based on the DLS classes and
17 provide the necessary extensions for
18 the Gigasampler file format.
20 Beside the actual library there are four example applications:
22 gigdump: Demo app that prints out the content of a .gig file.
23 gigextract: Extracts samples from a .gig file.
24 dlsdump: Demo app that prints out the content of a DLS file.
25 rifftree: Tool that prints out the RIFF tree of an arbitrary RIFF
26 file.
28 Since version 3.0.0 libgig also provides write support, that is for
29 creating modifying .gig, DLS and RIFF files.
31 Requirements
32 ============
33 POSIX systems (e.g. Linux, OS X):
34 ---------------------------------
36 You need at least to have libtool installed to be able to build the
37 library with "./configure && make".
39 Additionally you need to have either libaudiofile (>= 0.2.3) or
40 libsndfile (>= 1.0.2) installed which is mandatory to be able to compile
41 the 'gigextract' example application. But of course 'gigextract' is still
42 just an example application, so it would make sense to compile it only if
43 one of those libraries are available. That would remove that hard
44 dependency to those two libs. But that's not a priority for me now.
45 Note: for Windows systems only libsndfile is available.
47 If you want to regenerate all autotools build files (that is configure,
48 Makefile.in, etc.) then you need to have automake (>= 1.5) and autoconf
49 installed.
51 Windows:
52 --------
54 The precompiled versions of libgig (and its tools) should be compatible
55 with any Windows operating system of at least Win95 or younger. Notice
56 that all example / demo applications coming with libgig are pure console
57 applications, thus you won't see a GUI showing up! :)
59 If you want to compile libgig and its tools by yourself, please also
60 notice the requirements under "Compiling for Windows".
62 Other Operating Systems:
63 ------------------------
65 libgig was written to compile for any operating system, using standard C
66 library functions. However the latest versions of libgig lack a portable
67 implementation of one tiny method called RIFF::File::ResizeFile(). So you
68 would either have to add native OS API calls for that particular method,
69 that is dependant to your OS, or you have to add a portable
70 implementation. No matter which way you choose, please let us know! :)
72 Compiling for Linux
73 ===================
74 You can either compile the sources and install the library directly on
75 your system or you can create Redhat or Debian packages.
77 a) Compiling and installing directly
79 Call './configure && make' on the console to compile the library, all
80 tools and demo applications, documentation and install them with
81 'make install'. The latter has to be called as root.
83 If you are compiling from CVS you have to call 'make -f Makefile.cvs'
84 to generate all autotools build files before calling
85 './configure && make'.
87 You can use 'make distclean' and probably 'make -f Makefile.cvs clean'
88 to clean up everything again. The latter will also delete all automatic
89 generated autools build files.
91 b) Creating Debian packages
93 Use 'dpkg-buildpackage -rfakeroot -b' to compile and create the Debian
94 packages. This will generate 3 Debian packages:
96 libgig: Contains the shared library files.
97 libgig-dev: Contains the header files and documentation for building
98 applications using libgig.
99 gigtools: Contains the tools and demo applications.
101 You can use 'fakeroot debian/rules clean' to clean up everything again.
103 c) Creating Redhat packages
105 You need to have the rpmbuild tool installed and properly configured to
106 create RPM packages. To create the RPM packages do the following:
108 * Get .spec file generated by ./configure and edit it as appropriate.
110 * Copy the source tarball to "/usr/src/<rpmdir>/SOURCES" directory,
111 where <rpmdir> is dependent to the system you are using. For SuSE
112 <rmpdir> will be "packages", for Mandrake <rpmdir> is "RPM" and for
113 Redhat / Fedora <rpmdir> always equals "redhat".
115 * Build the rpm(s) by invoking 'rpmbuild -bb <specfile>' from the
116 command line.
118 On success, the resulting rpm(s) can usually be found under the proper
119 "/usr/src/<rpmdir>/RPMS/<arch>" directory.
121 Compiling for Windows
122 =====================
123 libgig and its tools can be compiled for Windows using Bloodshed Dev-C++,
124 which is a free (GPL) C++ integrated development environment for Windows.
125 You can download it here:
127 http://www.bloodshed.net/devcpp.html
129 Make sure you install a version with Mingw integrated.
131 a) Compiling libgig.dll
133 Simply open the project file "win32/libgig.dev" either directly in Dev-C++
134 or by double clicking on the project file in the Windows explorer, then
135 click on "Compile" in the Dev-C++ menu and that's it! After compilation
136 finished, you can find the files "libgig.dll", "libgig.a" and
137 "liblibgig.def" in the "win32" directory.
139 b) Compiling the example tools "rifftree", "dlsdump" and "gigdump"
141 You need to have libgig.dll compiled as described in a). Then you can
142 compile the respective tool by simply opening the respective project
143 (.dev) file and clicking on "Compile" from the Dev-C++ menu. After
144 compilation you can find the respective .exe file in the "win32"
145 directory.
147 c) Compiling the example tool "gigextract"
149 You need to have libgig.dll compiled as described in a). Also you need
150 libsndfile (as DLL) which is used to create the .wav files. You can
151 download libsndfile already precompiled as DLL here:
153 http://www.mega-nerd.com/libsndfile/
155 Extract the .zip file i.e. to "C:\". The libsndfile .dll file should then
156 be i.e. under "C:\libsndfile-1_0_17". Beside the .dll file, make sure
157 libsndfile's .lib file exists in that directory as well. If the .lib file
158 does not exist yet, you have to create it with:
160 dlltool --input-def libsndfile-1.def --output-lib libsndfile-1.lib
162 Then you have to ensure the settings of gigextract's Dev-C++ project file
163 are pointing to the correct location of your local copy of libsndfile. For
164 that click in the Dev-C++ menu on "Project" -> "Project Options". Then
165 click on the tab "Parameter" and make sure the path to "libsndfile-1.lib"
166 in the "Linker" list view is correct. Then click on the tab "Directories"
167 and then on the tab "Include Directories" and make sure the path to
168 libsndfile points to the correct location there as well.
170 After that you should finally be able to compile "gigextract" by clicking
171 on "Compile" in the Dev-C++ menu. After compilation succeeded, you can
172 find the "gigextract.exe" file in the "win32" directory.
174 Test Cases
175 ==========
176 The libgig sources come with a tiny console application which allows to
177 automatically test libgig's functions on your system. This test
178 application is not compiled by default, you have to compile it explicitly
179 with the following commands on the console (cppunit has to be installed):
181 cd src/testcases
182 make libgigtests
184 and then run the test application from the same directory with:
186 ./libgigtests
188 License
189 =======
190 libgig and its tools are released under the GNU General Public License.
192 API Documentation
193 =================
194 If you have Doxygen installed you can generate the API documentation by
195 running 'make docs' in the sources' top level directory. The API
196 documentation will be generated in the 'doc' subdirectory.
198 Patches
199 =======
200 If you have bug fixes or improvements, your patches are always welcome!
201 Send them either directly to me or to the LinuxSampler developer's mailing
202 list <linuxsampler-devel@lists.sourceforge.net>.
204 Bugs
205 ====
206 Please use http://bugs.linuxsampler.org to check and report possible bugs.
207 You might also try to run the "Test Cases" coming with libgig (see above),
208 especially in case you are running on an odd system.
210 Credits
211 =======
212 The initial library was based on the reverse engineering effort of
213 Paul Kellett and Ruben van Royen. We owe current support for the quite new
214 Gigasampler v3 format to Andreas Persson. Please also have a look at the
215 ChangeLog for all those who contributed. Thanks to all of you for your
216 great work!
218 Christian Schoenebeck <cuse@users.sourceforge.net>

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