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revision 196 by schoenebeck, Sat Jul 10 09:52:24 2004 UTC revision 2016 by iliev, Tue Oct 27 18:34:06 2009 UTC
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1  Version CVS HEAD (?)  Version CVS HEAD (?)
2      * SoundFont file format
3        - initial implementation
4    
5    Version 3.3.0 (30 Jul 2009)
6    
7      * general changes:
8        - fixed compilation with gcc 4.3
9        - fixes for building with Visual C++
10        - minor fix in configure for building DLL on Windows
11    
12      * src/gig.cpp, src/gig.h:
13        - added partial support for MIDI rules, only the Controller
14          Triggered rule is supported so far
15        - bugfix: removed another iterator invalidation in DeleteSample
16        - bugfix in Sample::LoadSampleData*(): reset sample read position to
17          sample start before trying to (re)load sample data from file (#82)
18        - bugfix: EG3 depth parameter was not saved correctly
19        - fixed crash which occured when streaming a gig sample with
20          bi-directional (a.k.a. 'pingpong') loop type (fixes #102)
21    
22      * src/RIFF.cpp, src/RIFF.h:
23        - bugfix: saving to the same file after the file size had been
24          increased made the file corrupt (#82)
25        - bugfix: refuse Chunk::Read() in case chunk has just been added, that
26          is not written physically yet (#82)
27        - bugfix: saving to the same file after the file size had been
28          decreased sometimes also made the file corrupt!
29        - bugfix: undefined behavior (e.g. endless loop) when opening zero
30          length files, now throws a RIFF::Exception instead (fixes bug #121)
31        - bugfix: destructor for base class RIFF::Chunk accessed members
32          of derived class RIFF::File, which is bad, and caused crashes
33          when using Visual C++
34        - bugfix: files that contain zero length RIFF lists were not read
35          correctly (fixes #127) (bug was introduced 2009-03-13)
36    
37    Version 3.2.1 (5 Dec 2007)
38    
39      * src/RIFF.cpp, src/RIFF.h:
40        - avoid Windows to perform unnecessary file stream caching which would
41          decrease disk streaming performance on Windows systems otherwise
42    
43      * src/gig.cpp, src/gig.h:
44        - added File::SetAutoLoad() and File::GetAutoLoad() for allowing
45          applications to retrieve very superficial informations like amount of
46          instruments and their names in a very fast way
47    
48    Version 3.2.0 (14 Oct 2007)
49    
50      * packaging changes:
51        - added Mac OSX XCode project files (patch by Toshi Nagata)
52        - Dev-C++ (win32) project file is automatically updated with
53          the version info from configure.in
54        - the configure script can now be used in Windows with MSYS
55        - added a mainpage for the Doxygen API documentation
56    
57      * src/DLS.cpp, src/DLS.h:
58        - added Sampler::AddSampleLoop() and Sampler::DeleteSampleLoop() methods
59        - fixed write support for big-endian systems
60        - improved handling of fixed length info strings - separate default
61          lengths can be specified for each INFO chunk
62        - added Resource::GenerateDLSID function
63        - write support fix: allow regions without mapped samples
64        - added method SetKeyRange() to the Region class which should be used
65          instead of setting the KeyRange member variable directly
66        - MoveRegion() method of Region class is now private
67        - added SetGain() method to Sampler class
68        - fixed crash when saving a file after a sample loop was added
69    
70      * src/gig.cpp, src/gig.h:
71        - fixed segmentation fault in the gig::File destructor sequence which
72          happened when gig::Group informations were accessed before
73        - fixed write support for big-endian systems
74        - defined lengths of a fixed set of info strings. These strings
75          are saved when the file is written, even if they are empty.
76        - added missing parameter initalizations in sample, region and
77          instrument constructors
78        - clear unused fields when saving samples and regions
79        - fixed write support bugs: v3 dimension limits and chunksize
80          weren't saved, leverage controller of type controlchange
81          couldn't be saved, group name list chunk was placed wrong,
82          dimension region chunks also placed wrong
83        - added initialization of some fixed info strings in file and
84          instrument
85        - write support: files created by libgig will now have the RIFF
86          chunks in correct order
87        - write support: two previously unknown fields in dimension
88          definition are now saved
89        - added constants for gig file versions
90        - write support: the 3crc and einf chunks are now created or
91          updated when a file is saved (3crc contains sample checksums,
92          einf contains file statistics)
93        - write support: DLSID is now generated on the file and the
94          instruments
95        - write support: improved the default values for dimension region
96          parameters
97        - more write support fixes: crossfade parameters were not saved,
98          v3 dimension limits were not correctly initialized and saved
99          when dimensions were added or deleted, v3 wave pool offsets were
100          not saved correctly
101        - write support: 24 bit samples can now be written
102        - write support: version 3 is now the default for new files
103        - more write support fixes: the 3ewg chunk is now bigger for v3,
104          dimension regions without mapped samples are now allowed, 3gnl
105          list in v3 files now always has 128 entries, several parameters
106          where incorrectly saved due to an operator precedence mistake
107        - DeleteSample now removes all references to the deleted sample
108        - AddDimension now copies all parameters from existing dimension
109          regions and also makes sure that the samplechannel dimension is
110          placed first in the list of dimensions.
111        - added method GetParent() to class 'DimensionRegion', which returns its
112          parent Region
113        - fixed Instrument::UpdateRegionKeyTable() method which did not reset
114          unused areas
115        - added various setter methods to DimensionRegion class which take care
116          of updating lookup tables / caches.
117    
118      * src/RIFF.cpp, src/RIFF.h:
119        - added File::SetByteOrder method
120        - Windows fix: saving a new file didn't work
121    
122      * src/gigdump.cpp:
123        - added some missing dimension strings
124    
125    Version 3.1.1 (24 Mar 2007)
126    
127      * packaging changes:
128        - ported to Windows using native Windows functions for file IO
129          (provided Dev-C++ + mingw project file)
130        - only export relevant files to Doxygen API documentation
131    
132      * src/gig.cpp, src/gig.h:
133        - custom velocity splits now works for gig v3 files too
134        - added support for custom splits points for other dimensions than
135          velocity (gig v3 feature)
136        - added "smart midi" and "round robin keyboard" dimensions
137        - added new method File::DeleteGroupOnly() which only deletes the given
138          group but moves all its members to another group, the other method,
139          that is File::DeleteGroup() now removes not just the group, but also
140          all the samples that belong to that group
141        - fixed crash which occured on interfering File::DeleteSample() and
142          File::GetNextSample() calls (due to iterator invalidation)
143        - fixed group names which were not saved
144        - fixed group destructor which did not remove the RIFF chunk associated
145          with the group
146        - added Instrument::MoveRegion method
147        - fixed constructor for Region, which did not initialize correctly
148          when used from Instrument::AddRegion
149        - when saving, override the gig::Regions sample reference simply by
150          the region's first dimension region's sample (avoids an exception
151          when trying to save a new instrument)
152        - fixed AddDimension() method which did not fill out all mandatory
153          dimension definition fields
154    
155      * src/DLS.cpp, src/DLS.h:
156        - added Instrument::MoveRegion method
157        - fixed software info field which was wrongly stored on instruments,
158          causing an exception when trying to save a new instrument
159    
160      * src/RIFF.cpp, src/RIFF.h:
161        - fixed RIFF::Chunk destructor which did not unregister previously
162          resized chunks, leading to a "zero size chunk" exception when
163          File::Save() was called
164        - added List::MoveSubChunk method
165    
166    Version 3.1.0 (24 Nov 2006)
167    
168      * packaging changes:
169        - changed deprecated copyright attribute to license;
170          added ldconfig to post-(un)install steps on libgig.spec (RPM)
171    
172      * src/gig.cpp, src/gig.h:
173        - added support for more than one set of custom velocity splits
174          inside a region (for example different velocity split levels for
175          pedal up and pedal down)
176        - sample loop parameters are now taken from the DimensionRegion
177          instead of the wave chunk
178        - keyswitching dimension is changed from split type "normal" to
179          "bit"
180        - real support for 24 bit samples - samples are not truncated to
181          16 bits anymore
182        - support for reading of ".art" files. (Merging of .art and .gig
183          files are not implemented yet.)
184        - several fixes for the write support
185        - support for sample groups added
186    
187      * src/DLS.cpp, src/DLS.h:
188        - support for reading of ".art" files
189        - removed incorrect use of memccpy in the write support (patch by
190          Jeremy Kerr)
191        - several fixes for the write support
192    
193      * src/gigextract.cpp:
194        - real support for 24 bit samples
195    
196      * src/gigdump.cpp:
197        - print global file informations
198        - print sample groups
199    
200      * general changes:
201        - added CPPUnit test cases (at the moment primarily for automatic check
202          of Gigasampler write support)
203    
204    Version 3.0.0 (28 Apr 2006)
205    
206      * general changes:
207        - added write support (that is for creating and modifying RIFF, DLS and
208          gig files)
209        - loading DLS and gig files is now much more permissive, DLS and gig
210          files are now loaded even if mandatory RIFF chunks are missing
211        - fixed some memory management errors, one of them was causing a
212          crash when a multi-file gig was deallocated
213    
214      * src/gig.cpp, src/gig.h:
215        - fixed the GetVelocityCutoff function, it wasn't always using the
216          VCFVelocityScale parameter when no cutoff controller was defined
217        - support for the gig v3 feature to have a number of dimension
218          splits not equal to a power of two
219        - added write support (highly experimental)
220    
221      * src/DLS.cpp, src/DLS.h:
222        - fixed loading of Articulation Connections (<artl> list chunks were
223          seeked instead of ordinary <artl> data chunks)
224        - added write support (highly experimental)
225    
226      * src/RIFF.cpp, src/RIFF.h:
227        - added write support
228        - Chunk::LoadChunkData() can now be called again to resize the buffer
229          after a Chunk::Resize() and before the File::Save() call to allow
230          placing the new data in the chunk's write buffer and perform the
231          resize and write operations in one rush
232    
233      * src/gigdump.cpp:
234        - fixed to show the correct amount of dimension regions instead of 32
235          (patch by James Wylder)
236    
237      * src/dlsdump.cpp:
238        - show for every region the name of the referenced sample
239        - show file name in quotation marks
240    
241    Version 2.0.2 (15 Aug 2005)
242    
243      * packaging changes:
244        - require automake (>= 1.5) for 'make -f Makefile.cvs'
245          (mandatory for 'dist-bzip2' automake option)
246    
247      * src/gig.cpp, src/gig.h:
248        - support for gig v3 multi-file format (.gig, .gx01, .gx02, ...),
249          the extension files are read automatically when the samples are
250          loaded
251        - fixed the 24 bit decompression, the result should now be exact
252          instead of an approximation
253        - added VCFCutoffControllerInvert parameter and GetVelocityCutoff
254          function to DimensionRegion
255    
256      * src/DLS.cpp, src/DLS.h:
257        - the upper bits of the pool table indices are read (used as
258          extension file numbers for gig v3)
259    
260      * src/RIFF.cpp, src/RIFF.h:
261        - the file name is remembered in the RIFF::File object
262    
263    Version 2.0.1 (12 Jun 2005)
264    
265      * packaging changes:
266        - include debian/ directory on 'make dist'
267        - create a bzip2 tarball on 'make dist'
268    
269      * src/gigextract.cpp:
270        - show also version of libsndfile or build version of libaudiofile when
271          using the -v switch
272        - fixed mutual link dependency to libsndfile / libaudiofile
273    
274      * src/gig.cpp, src/gig.h:
275        - added DimensionRegion::GetVelocityRelease function
276    
277    Version 2.0.0 (9 May 2005)
278    
279      * packaging changes:
280        - fixed conditional linkage of either libsndfile or libaudiofile
281          (if none of the two exist, configure script will abort)
282        - man pages are now auto generated with the correct libgig version
283    
284      * src/gig.cpp, src/gig.h:
285        - experimental support for Gigasampler v3 format;
286          64 bit file offsets are truncated to 32 bit, 24 bit samples are
287          truncated to 16 bit, up to 8 dimensions are read, additional
288          articulation informations are ignored at the moment
289          (patch by Andreas Persson)
290        - added some file format compatibility checks
291        - fixed vcf_type_lowpassturbo value (vcf_type_lowpassturbo was actually
292          never used, because the necessary check was made before
293          initialization)
294        - fixed crossfade points order (structure for big endian and little
295          endian systems was interchanged)
296        - fixed some memory leaks (patch by 'Gene', a.k.a Anders Alm)
297        - fixed crash which occured when patches did not have a sample assigned
298          to their region or dimension region (patch by Andreas Persson)
299        - support for compressed mono samples
300        - experimental support for compressed 24 bit samples
301        - fixed decompression on big-endian CPUs
302        - fixed decompression bug that truncated the last block of samples
303        - external decompression buffers can now be used for streaming samples
304          to avoid race conditions in case of multiple streaming threads
305        - added pre-calculated sample attenuation parameter
306        - added v3 "random" and "round robin" dimensions
307        - implemented progress indicator callback mechanism for loading
308          instruments and samples
309        - added functions libraryName() and libraryVersion()
310    
311      * src/DLS.cpp, src/DLS.h:
312        - fixed File constructor which caused variable File::Instruments always
313          to be zero
314        - added functions libraryName() and libraryVersion()
315    
316      * src/RIFF.cpp, src/RIFF.h:
317        - fixed method List::LoadSubChunks() which did not restore the original
318          position within the body of the given list chunk
319        - added functions libraryName() and libraryVersion()
320    
321      * src/rifftree.cpp:
322        - added command line switch -v to show rifftree's revision and the used
323          libgig version
324    
325      * src/dlsdump.cpp:
326        - added command line switch -v to show dlsdump's revision and the used
327          libgig version
328    
329      * src/gigdump.cpp:
330        - added output of UnityNote, FineTune, Gain, SampleStartOffset an
331          LoopPlayCount
332        - added command line switch -v to show gigdump's revision and the used
333          libgig version
334    
335      * src/gigextract.cpp:
336        - support for compressed mono samples and compressed 24 bit samples
337        - added command line switch -v to show gigextract's revision and the
338          used libgig version
339    
340    Version 1.0.0 (26 Nov 2004)
341    
342    * packaging changes:    * packaging changes:
343      - renamed 'libgig.pc.in' -> 'gig.pc.in' and renamed pkg-config lib name      - renamed 'libgig.pc.in' -> 'gig.pc.in' and renamed pkg-config lib name
344        'libgig' -> 'gig' as it's common practice to omit the 'lib' prefix        'libgig' -> 'gig' as it's common practice to omit the 'lib' prefix
345        - fixed man pages automake install rule (which didn't work on Mandrake,
346          SuSE and Fedora)
347        - fixed generation of Doxygen API documentation (now also included in
348          RPM and Debian packages)
349    
350      * src/gig.cpp, src/gig.h:
351        - fixed / improved accuracy of all three velocity to volume
352          transformation functions a.k.a. 'nonlinear','linear','special'
353          (patch by Andreas Persson)
354        - denormals are filtered from the velocity to volume tables
355        - bugfix for dimension region switching (wrong handling of the release
356          trigger dimension, no bit range check for dimensions of split type
357          'split_type_bit')
358        - fixed panorama value in DimensionRegion (invalid conversion from
359          signed 7 bit to signed 8 bit)
360        - added class attribute 'Layers' to class 'gig::Region'
361        - symbol prototyping of gig::Region (fixes build failure with qsampler)
362    
363      * src/gigextract.cpp:
364        - added support for libsndfile (if libaudiofile and libsndfile are
365          available then libsndfile is preferred)
366    
367      * src/gigdump.cpp:
368        - added printout for dimension informations (amount, type, bits, zones)
369        - added printout for velocity response curve parameters
370        - added printout for crossfade definitions
371        - added printout for panorama value for each DimensionRegion
372        - replaced printout of DLS Region layer by printout of amount of
373          Gigasampler layers
374    
375  Version 0.7.1 (2 Jul 2004)  Version 0.7.1 (2 Jul 2004)
376    

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