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Home |
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==== |
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You can always find the latest version of libgig at: |
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http://www.linuxsampler.org/libgig/ |
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Content |
Content |
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======= |
======= |
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libgig actually consists of three parts: |
libgig actually consists of three major parts: |
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- RIFF classes (RIFF.h, RIFF.cpp): Provides convenient methods to parse and |
- RIFF classes (RIFF.h, RIFF.cpp): Provides convenient methods to parse and |
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access arbitrary RIFF files. |
access arbitrary RIFF files. |
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files and provide abstract access to the |
files and provide abstract access to the |
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data. |
data. |
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- gig classes (gig.h, gig.cpp): These are based on the DLS classes and |
- gig classes (gig.h, gig.cpp): These are based on the DLS classes and |
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provide the neccessary extensions for |
provide the necessary extensions for |
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the Gigasampler file format. |
the Gigasampler/GigaStudio file format. |
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Despite its name, libgig also provides (since version 4.0.0) support for |
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other sampler file formats as well: |
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- SoundFont classes (SF.h, SF.cpp): They provide support for the very popular |
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SoundFont v1 and v2 format (.sf2). |
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- KORG classes (Korg.h, Korg.cpp): Provides support for sample based sounds |
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used on many KORG synthesizer keyboards. |
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- Akai classes (Akai.h): Currently S1000, S01, S2000 and S3000 |
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series are supported. |
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Additionally libgig contains the following separate API: |
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- Serialization classes (Serialization.h, Serialization.cpp): |
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Framework to serialize and deserialize |
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the runtime state of native C++ objects |
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(for saving and restoring their states |
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as abstract data). |
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Beside the actual library there are following example applications: |
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gigdump: Demo app that prints out the content of a .gig file. |
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gigextract: Extracts samples from a .gig file. |
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gigmerge: Merges several .gig files to one .gig file. |
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gig2mono: Converts .gig files from stereo to mono. |
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gig2stereo: Converts .gig files to true interleaved stereo sounds. |
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dlsdump: Demo app that prints out the content of a DLS file. |
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korgdump: Prints out the content of the various KORG file types. |
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korg2gig: Convert KORG sound file to Gigasampler/GigaStudio format. |
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sf2dump: Prints out the content of a .sf2 file. |
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sf2extract: Extracts audio samples from a .sf2 file. |
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rifftree: Tool that prints out the RIFF tree of an arbitrary RIFF |
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file. |
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akaidump: Dump an AKAI media i.e. from a CDROM drive as disk image file |
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to your hard disk drive. |
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akaiextract: Extracts samples from an Akai disk image, either from a media |
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(i.e. CDROM or Zip drive) for from a AKAI disk image file. |
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Since version 3.0.0 libgig also provides write support, that is for |
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creating modifying .gig, DLS and RIFF files. |
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Requirements |
Requirements |
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============ |
============ |
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I simply used automake & co this time so you will need to have automake, |
POSIX systems (e.g. Linux, macOS): |
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autoconf and libtool installed. I used the following versions: |
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automake 1.6.3 |
You need at least to have libtool installed to be able to build the |
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autoconf 2.57 |
library with "./configure && make". |
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If you want to compile the 'gigextract' application that comes with these |
Additionally you need to have either libaudiofile (>= 0.2.3) or |
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sources then you will additionally need to have libaudiofile installed (I |
libsndfile (>= 1.0.2) installed which is mandatory to be able to compile |
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used version 0.2.3). |
the 'gigextract' example application. But of course 'gigextract' is still |
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just an example application, so it would make sense to compile it only if |
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one of those libraries are available. That would remove that hard |
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dependency to those two libs. But that's not a priority for me now. |
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Note: for Windows systems only libsndfile is available. |
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Non-POSIX systems |
If you want to regenerate all autotools build files (that is configure, |
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================= |
Makefile.in, etc.) then you need to have automake (>= 1.5) and autoconf |
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If you don't have a POSIX system, you have to set 'POSIX' to '0' in RIFF.h. |
installed. |
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Instead of using POSIX calls then standard C calls will be used for file |
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access. This applies e.g. to Windows systems. |
Windows: |
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-------- |
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The precompiled versions of libgig (and its tools) should be compatible |
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with any Windows operating system of at least Win95 or younger. Notice |
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that all example / demo applications coming with libgig are pure console |
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applications, thus you won't see a GUI showing up! :) |
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If you want to compile libgig and its tools by yourself, please also |
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notice the requirements under "Compiling for Windows". |
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Other Operating Systems: |
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libgig was written to compile for any operating system, using standard C |
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library functions. However the latest versions of libgig lack a portable |
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implementation of one tiny method called RIFF::File::ResizeFile(). So you |
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would either have to add native OS API calls for that particular method, |
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that is dependant to your OS, or you have to add a portable |
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implementation. No matter which way you choose, please let us know! :) |
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Compiling for Linux |
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=================== |
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You can either compile the sources and install the library directly on |
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your system or you can create Redhat or Debian packages. |
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a) Compiling and installing directly |
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Call './configure && make' on the console to compile the library, all |
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tools and demo applications, documentation and install them with |
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'make install'. The latter has to be called as root. |
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If you are compiling from CVS you have to call 'make -f Makefile.cvs' |
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to generate all autotools build files before calling |
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'./configure && make'. |
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You can use 'make distclean' and probably 'make -f Makefile.cvs clean' |
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to clean up everything again. The latter will also delete all automatic |
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generated autools build files. |
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b) Creating Debian packages |
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Use 'dpkg-buildpackage -rfakeroot -b' to compile and create the Debian |
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packages. This will generate 3 Debian packages: |
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libgig: Contains the shared library files. |
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libgig-dev: Contains the header files and documentation for building |
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applications using libgig. |
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gigtools: Contains the tools and demo applications. |
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You can use 'fakeroot debian/rules clean' to clean up everything again. |
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c) Creating Redhat packages |
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You need to have the rpmbuild tool installed and properly configured to |
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create RPM packages. To create the RPM packages do the following: |
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* Get .spec file generated by ./configure and edit it as appropriate. |
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* Copy the source tarball to "/usr/src/<rpmdir>/SOURCES" directory, |
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where <rpmdir> is dependent to the system you are using. For SuSE |
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<rmpdir> will be "packages", for Mandrake <rpmdir> is "RPM" and for |
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Redhat / Fedora <rpmdir> always equals "redhat". |
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* Build the rpm(s) by invoking 'rpmbuild -bb <specfile>' from the |
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command line. |
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On success, the resulting rpm(s) can usually be found under the proper |
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"/usr/src/<rpmdir>/RPMS/<arch>" directory. |
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Compiling: |
Compiling for Windows |
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===================== |
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libgig and its tools can be compiled for Windows using Bloodshed Dev-C++, |
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which is a free (GPL) C++ integrated development environment for Windows. |
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It is also possible to use MSYS from MinGW, which allows you to use |
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'./configure && make' like the linux builds. |
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You can download Dev-C++ here: |
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http://www.bloodshed.net/devcpp.html |
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Make sure you install a version with Mingw integrated. |
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a) Compiling libgig.dll |
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Simply open the project file "win32/libgig.dev" either directly in Dev-C++ |
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or by double clicking on the project file in the Windows explorer, then |
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click on "Compile" in the Dev-C++ menu and that's it! After compilation |
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finished, you can find the files "libgig.dll", "libgig.a" and |
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"liblibgig.def" in the "win32" directory. |
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b) Compiling the example tools "rifftree", "dlsdump" and "gigdump" |
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You need to have libgig.dll compiled as described in a). Then you can |
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compile the respective tool by simply opening the respective project |
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(.dev) file and clicking on "Compile" from the Dev-C++ menu. After |
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compilation you can find the respective .exe file in the "win32" |
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directory. |
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c) Compiling the example tool "gigextract" |
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You need to have libgig.dll compiled as described in a). Also you need |
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libsndfile (as DLL) which is used to create the .wav files. You can |
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download libsndfile already precompiled as DLL here: |
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http://www.mega-nerd.com/libsndfile/ |
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Extract the .zip file i.e. to "C:\". The libsndfile .dll file should then |
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be i.e. under "C:\libsndfile-1_0_17". Beside the .dll file, make sure |
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libsndfile's .lib file exists in that directory as well. If the .lib file |
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does not exist yet, you have to create it with: |
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dlltool --input-def libsndfile-1.def --output-lib libsndfile-1.lib |
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Then you have to ensure the settings of gigextract's Dev-C++ project file |
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are pointing to the correct location of your local copy of libsndfile. For |
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that click in the Dev-C++ menu on "Project" -> "Project Options". Then |
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click on the tab "Parameter" and make sure the path to "libsndfile-1.lib" |
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in the "Linker" list view is correct. Then click on the tab "Directories" |
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and then on the tab "Include Directories" and make sure the path to |
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libsndfile points to the correct location there as well. |
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After that you should finally be able to compile "gigextract" by clicking |
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on "Compile" in the Dev-C++ menu. After compilation succeeded, you can |
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find the "gigextract.exe" file in the "win32" directory. |
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Test Cases |
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========== |
========== |
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- Use './configure && make all' to compile the library and all tools and |
The libgig sources come with a tiny console application which allows to |
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demo applications. |
automatically test libgig's functions on your system. This test |
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application is not compiled by default, you have to compile it explicitly |
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with the following commands on the console (cppunit has to be installed): |
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- Beside the actual library there are four applications: |
cd src/testcases |
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make libgigtests |
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gigdump: Demo app that prints out the content of a .gig file. |
and then run the test application from the same directory with: |
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gigextract: Extracts samples from a .gig file. |
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dlsdump: Demo app that prints out the content of a DLS file. |
./libgigtests |
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rifftree: Tool that prints out the RIFF tree of an arbitrary RIFF |
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file. |
License |
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======= |
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libgig and its tools are released under the GNU General Public License (GPL). |
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- If you have Doxygen installed you can generate the API documentation by |
libakai and its tools are released under the GNU Lesser General Public (LGPL). |
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just running 'doxygen' in the sources' top level directory. |
Due to its different license model the Akai support part is built as separate |
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DLL (.so) file. |
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- 'make distclean' to clean up everything again |
API Documentation |
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================= |
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If you have Doxygen installed you can generate the API documentation by |
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running 'make docs' in the sources' top level directory. The API |
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documentation will be generated in the 'doc' subdirectory. |
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Patches |
Patches |
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======= |
======= |
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If you find bugs or have improvements, your patches are always welcome! |
If you have bug fixes or improvements, your patches are always welcome! |
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Send them either directly to me or to the LinuxSampler developer's mailing |
Send them either directly to me or to the LinuxSampler developer's mailing |
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list <linuxsampler-devel@lists.sourceforge.net>. |
list <linuxsampler-devel@lists.sourceforge.net>. |
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Bugs |
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==== |
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Please use http://bugs.linuxsampler.org to check and report possible bugs. |
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You might also try to run the "Test Cases" coming with libgig (see above), |
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especially in case you are running on an odd system. |
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Trademarks |
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========== |
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Tascam, Gigasampler, GigaStudio, KORG, Trinity, Triton, OASYS, M3, Kronos |
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and Akai are trademarks of their respective owners. |
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Credits |
Credits |
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======= |
======= |
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This library is based on the reverse engineering work of Paul Kellett and |
The initial library (Gigasampler part) was based on the reverse engineering |
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Ruben van Royen. Thanks for your great work! |
effort of Paul Kellett and Ruben van Royen. We owe current support for the |
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Gigasampler v3/v4 format to Andreas Persson. Please also have a look at the |
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ChangeLog for all those who contributed. |
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Akai support files are a ported version of Sébastien Métrot's libakai. The |
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original libakai only supported Mac and Windows. This forked version of |
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libakai now also supports Linux and other POSIX compliant operating systems |
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as well and does not have a dependency to libngl as the original libakai had. |
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The SoundFont 2 file format C++ classes were written by Grigor Iliev. |
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Thanks to all of you for your great work! |
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Christian Schoenebeck <cuse@users.sourceforge.net> |
Christian Schoenebeck <cuse@users.sourceforge.net> |
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