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revision 2 by schoenebeck, Sat Oct 25 20:15:04 2003 UTC revision 1186 by schoenebeck, Sun May 13 19:03:34 2007 UTC
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1    Version CVS HEAD (?)
2    
3      * packaging changes:
4        - added Mac OSX XCode project files (patch by Toshi Nagata)
5        - Dev-C++ (win32) project file is automatically updated with
6          the version info from configure.in
7    
8      * src/DLS.cpp, src/DLS.h:
9        - added Sampler::AddSampleLoop() and Sampler::DeleteSampleLoop() methods
10        - fixed write support for big-endian systems
11        - improved handling of fixed length info strings - separate default
12          lengths can be specified for each INFO chunk
13    
14      * src/gig.cpp, src/gig.h:
15        - fixed segmentation fault in the gig::File destructor sequence which
16          happened when gig::Group informations were accessed before
17        - fixed write support for big-endian systems
18        - defined lengths of a fixed set of info strings. These strings
19          are saved when the file is written, even if they are empty.
20        - added missing parameter initalizations in sample, region and
21          instrument constructors
22        - clear unused fields when saving samples and regions
23        - fixed write support bugs: v3 dimension limits and chunksize
24          weren't saved, leverage controller of type controlchange
25          couldn't be saved, group name list chunk was placed wrong
26        - added initialization of some fixed info strings in file and
27          instrument
28    
29      * src/RIFF.cpp, src/RIFF.h:
30        - added File::SetByteOrder method
31    
32    Version 3.1.1 (24 Mar 2007)
33    
34      * packaging changes:
35        - ported to Windows using native Windows functions for file IO
36          (provided Dev-C++ + mingw project file)
37        - only export relevant files to Doxygen API documentation
38    
39      * src/gig.cpp, src/gig.h:
40        - custom velocity splits now works for gig v3 files too
41        - added support for custom splits points for other dimensions than
42          velocity (gig v3 feature)
43        - added "smart midi" and "round robin keyboard" dimensions
44        - added new method File::DeleteGroupOnly() which only deletes the given
45          group but moves all its members to another group, the other method,
46          that is File::DeleteGroup() now removes not just the group, but also
47          all the samples that belong to that group
48        - fixed crash which occured on interfering File::DeleteSample() and
49          File::GetNextSample() calls (due to iterator invalidation)
50        - fixed group names which were not saved
51        - fixed group destructor which did not remove the RIFF chunk associated
52          with the group
53        - added Instrument::MoveRegion method
54        - fixed constructor for Region, which did not initialize correctly
55          when used from Instrument::AddRegion
56        - when saving, override the gig::Regions sample reference simply by
57          the region's first dimension region's sample (avoids an exception
58          when trying to save a new instrument)
59        - fixed AddDimension() method which did not fill out all mandatory
60          dimension definition fields
61    
62      * src/DLS.cpp, src/DLS.h:
63        - added Instrument::MoveRegion method
64        - fixed software info field which was wrongly stored on instruments,
65          causing an exception when trying to save a new instrument
66    
67      * src/RIFF.cpp, src/RIFF.h:
68        - fixed RIFF::Chunk destructor which did not unregister previously
69          resized chunks, leading to a "zero size chunk" exception when
70          File::Save() was called
71        - added List::MoveSubChunk method
72    
73    Version 3.1.0 (24 Nov 2006)
74    
75      * packaging changes:
76        - changed deprecated copyright attribute to license;
77          added ldconfig to post-(un)install steps on libgig.spec (RPM)
78    
79      * src/gig.cpp, src/gig.h:
80        - added support for more than one set of custom velocity splits
81          inside a region (for example different velocity split levels for
82          pedal up and pedal down)
83        - sample loop parameters are now taken from the DimensionRegion
84          instead of the wave chunk
85        - keyswitching dimension is changed from split type "normal" to
86          "bit"
87        - real support for 24 bit samples - samples are not truncated to
88          16 bits anymore
89        - support for reading of ".art" files. (Merging of .art and .gig
90          files are not implemented yet.)
91        - several fixes for the write support
92        - support for sample groups added
93    
94      * src/DLS.cpp, src/DLS.h:
95        - support for reading of ".art" files
96        - removed incorrect use of memccpy in the write support (patch by
97          Jeremy Kerr)
98        - several fixes for the write support
99    
100      * src/gigextract.cpp:
101        - real support for 24 bit samples
102    
103      * src/gigdump.cpp:
104        - print global file informations
105        - print sample groups
106    
107      * general changes:
108        - added CPPUnit test cases (at the moment primarily for automatic check
109          of Gigasampler write support)
110    
111    Version 3.0.0 (28 Apr 2006)
112    
113      * general changes:
114        - added write support (that is for creating and modifying RIFF, DLS and
115          gig files)
116        - loading DLS and gig files is now much more permissive, DLS and gig
117          files are now loaded even if mandatory RIFF chunks are missing
118        - fixed some memory management errors, one of them was causing a
119          crash when a multi-file gig was deallocated
120    
121      * src/gig.cpp, src/gig.h:
122        - fixed the GetVelocityCutoff function, it wasn't always using the
123          VCFVelocityScale parameter when no cutoff controller was defined
124        - support for the gig v3 feature to have a number of dimension
125          splits not equal to a power of two
126        - added write support (highly experimental)
127    
128      * src/DLS.cpp, src/DLS.h:
129        - fixed loading of Articulation Connections (<artl> list chunks were
130          seeked instead of ordinary <artl> data chunks)
131        - added write support (highly experimental)
132    
133      * src/RIFF.cpp, src/RIFF.h:
134        - added write support
135        - Chunk::LoadChunkData() can now be called again to resize the buffer
136          after a Chunk::Resize() and before the File::Save() call to allow
137          placing the new data in the chunk's write buffer and perform the
138          resize and write operations in one rush
139    
140      * src/gigdump.cpp:
141        - fixed to show the correct amount of dimension regions instead of 32
142          (patch by James Wylder)
143    
144      * src/dlsdump.cpp:
145        - show for every region the name of the referenced sample
146        - show file name in quotation marks
147    
148    Version 2.0.2 (15 Aug 2005)
149    
150      * packaging changes:
151        - require automake (>= 1.5) for 'make -f Makefile.cvs'
152          (mandatory for 'dist-bzip2' automake option)
153    
154      * src/gig.cpp, src/gig.h:
155        - support for gig v3 multi-file format (.gig, .gx01, .gx02, ...),
156          the extension files are read automatically when the samples are
157          loaded
158        - fixed the 24 bit decompression, the result should now be exact
159          instead of an approximation
160        - added VCFCutoffControllerInvert parameter and GetVelocityCutoff
161          function to DimensionRegion
162    
163      * src/DLS.cpp, src/DLS.h:
164        - the upper bits of the pool table indices are read (used as
165          extension file numbers for gig v3)
166    
167      * src/RIFF.cpp, src/RIFF.h:
168        - the file name is remembered in the RIFF::File object
169    
170    Version 2.0.1 (12 Jun 2005)
171    
172      * packaging changes:
173        - include debian/ directory on 'make dist'
174        - create a bzip2 tarball on 'make dist'
175    
176      * src/gigextract.cpp:
177        - show also version of libsndfile or build version of libaudiofile when
178          using the -v switch
179        - fixed mutual link dependency to libsndfile / libaudiofile
180    
181      * src/gig.cpp, src/gig.h:
182        - added DimensionRegion::GetVelocityRelease function
183    
184    Version 2.0.0 (9 May 2005)
185    
186      * packaging changes:
187        - fixed conditional linkage of either libsndfile or libaudiofile
188          (if none of the two exist, configure script will abort)
189        - man pages are now auto generated with the correct libgig version
190    
191      * src/gig.cpp, src/gig.h:
192        - experimental support for Gigasampler v3 format;
193          64 bit file offsets are truncated to 32 bit, 24 bit samples are
194          truncated to 16 bit, up to 8 dimensions are read, additional
195          articulation informations are ignored at the moment
196          (patch by Andreas Persson)
197        - added some file format compatibility checks
198        - fixed vcf_type_lowpassturbo value (vcf_type_lowpassturbo was actually
199          never used, because the necessary check was made before
200          initialization)
201        - fixed crossfade points order (structure for big endian and little
202          endian systems was interchanged)
203        - fixed some memory leaks (patch by 'Gene', a.k.a Anders Alm)
204        - fixed crash which occured when patches did not have a sample assigned
205          to their region or dimension region (patch by Andreas Persson)
206        - support for compressed mono samples
207        - experimental support for compressed 24 bit samples
208        - fixed decompression on big-endian CPUs
209        - fixed decompression bug that truncated the last block of samples
210        - external decompression buffers can now be used for streaming samples
211          to avoid race conditions in case of multiple streaming threads
212        - added pre-calculated sample attenuation parameter
213        - added v3 "random" and "round robin" dimensions
214        - implemented progress indicator callback mechanism for loading
215          instruments and samples
216        - added functions libraryName() and libraryVersion()
217    
218      * src/DLS.cpp, src/DLS.h:
219        - fixed File constructor which caused variable File::Instruments always
220          to be zero
221        - added functions libraryName() and libraryVersion()
222    
223      * src/RIFF.cpp, src/RIFF.h:
224        - fixed method List::LoadSubChunks() which did not restore the original
225          position within the body of the given list chunk
226        - added functions libraryName() and libraryVersion()
227    
228      * src/rifftree.cpp:
229        - added command line switch -v to show rifftree's revision and the used
230          libgig version
231    
232      * src/dlsdump.cpp:
233        - added command line switch -v to show dlsdump's revision and the used
234          libgig version
235    
236      * src/gigdump.cpp:
237        - added output of UnityNote, FineTune, Gain, SampleStartOffset an
238          LoopPlayCount
239        - added command line switch -v to show gigdump's revision and the used
240          libgig version
241    
242      * src/gigextract.cpp:
243        - support for compressed mono samples and compressed 24 bit samples
244        - added command line switch -v to show gigextract's revision and the
245          used libgig version
246    
247    Version 1.0.0 (26 Nov 2004)
248    
249      * packaging changes:
250        - renamed 'libgig.pc.in' -> 'gig.pc.in' and renamed pkg-config lib name
251          'libgig' -> 'gig' as it's common practice to omit the 'lib' prefix
252        - fixed man pages automake install rule (which didn't work on Mandrake,
253          SuSE and Fedora)
254        - fixed generation of Doxygen API documentation (now also included in
255          RPM and Debian packages)
256    
257      * src/gig.cpp, src/gig.h:
258        - fixed / improved accuracy of all three velocity to volume
259          transformation functions a.k.a. 'nonlinear','linear','special'
260          (patch by Andreas Persson)
261        - denormals are filtered from the velocity to volume tables
262        - bugfix for dimension region switching (wrong handling of the release
263          trigger dimension, no bit range check for dimensions of split type
264          'split_type_bit')
265        - fixed panorama value in DimensionRegion (invalid conversion from
266          signed 7 bit to signed 8 bit)
267        - added class attribute 'Layers' to class 'gig::Region'
268        - symbol prototyping of gig::Region (fixes build failure with qsampler)
269    
270      * src/gigextract.cpp:
271        - added support for libsndfile (if libaudiofile and libsndfile are
272          available then libsndfile is preferred)
273    
274      * src/gigdump.cpp:
275        - added printout for dimension informations (amount, type, bits, zones)
276        - added printout for velocity response curve parameters
277        - added printout for crossfade definitions
278        - added printout for panorama value for each DimensionRegion
279        - replaced printout of DLS Region layer by printout of amount of
280          Gigasampler layers
281    
282    Version 0.7.1 (2 Jul 2004)
283    
284      * packaging changes:
285        - added libgig.spec and libgig.pc package configurations for generating
286          Redhat packages
287        - header files included on installation.
288        - autotools-generated files removed from CVS repository.
289        - added support for generating Debian packages
290        - version of shared library can be set in configure.in
291    
292    Version 0.7.0 (3 May 2004)
293    
294      * general changes:
295        - various big endian specific corrections
296          (successfully tested now on PPC)
297        - minor adjustments to avoid compile errors on some systems
298          (using now pow() instead of powl() and --pedantic g++ compiler switch)
299        - libtoolized the library
300        - added man pages for the command line tools
301          (gigextract, gigdump, dlsdump, rifftree)
302    
303      * src/gig.cpp, src/gig.h:
304        - fixed bug in decompression algorithm which caused it not to detect
305          the end of a stream
306        - added method GetVelocityAttenuation() to class 'DimensionRegion' which
307          takes the MIDI key velocity value as an argument and returns the
308          appropriate volume factor (0.0 ... 1.0) for the sample to be played
309          back, the velocity curve transformation functions used for this are
310          only an approximation so far
311        - fixed class attributes 'Sample::LoopStart', 'Sample::LoopEnd' and
312          'Sample::LoopSize' which reflected wrong values
313        - class attributes 'Sample::LoopStart' and 'Sample::LoopEnd' are now
314          measured in sample points instead of byte offset
315        - renamed misleading attribute name 'Sample::MIDIPitchFraction' to
316          'Sample::FineTune'
317        - added class attribute 'Sample::LoopSize'
318        - added method GetInstrument(uint index) to class 'File'
319        - added ReadAndLoop() method to class 'Sample' which is an extension to
320          the normal Read() method to honor the sample's looping information
321          while streaming from disk
322        - changed interface for 'attenuation_ctrl_t', 'eg1_ctrl_t' and
323          'eg2_ctrl_t': replaced this huge enumeration by a structure which
324          reflects the MIDI controller number in case of an ordinary control
325          change controller (this saves a huge switch-case block in the
326          application of the library user)
327        - renamed following attributes in class 'DimensionRegion':
328          'AttenuationContol' -> 'AttenuationController',
329          'InvertAttenuationControl' -> 'InvertAttenuationController',
330          'AttenuationControlTreshold' -> 'AttenuationControllerThreshold'
331        - minor fix in API documentation for method GetVelocityAttenuation() in
332          class 'DimensionRegion'
333    
334      * src/RIFF.cpp, src/RIFF.h:
335        - added additional API documentation
336        - minor fix in Chunk::Read() method (only a minor efficiency issue)
337    
338      * src/gigdump.cpp:
339        - added printout of samples' looping informations
340    
341    Version 0.6.0 (3 Nov 2003)
342    
343      * initial release

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