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revision 11 by schoenebeck, Sun Nov 16 17:47:00 2003 UTC revision 1301 by persson, Sat Aug 25 09:59:53 2007 UTC
# Line 1  Line 1 
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        - added Resource::GenerateDLSID function
14        - write support fix: allow regions without mapped samples
15    
16      * src/gig.cpp, src/gig.h:
17        - fixed segmentation fault in the gig::File destructor sequence which
18          happened when gig::Group informations were accessed before
19        - fixed write support for big-endian systems
20        - defined lengths of a fixed set of info strings. These strings
21          are saved when the file is written, even if they are empty.
22        - added missing parameter initalizations in sample, region and
23          instrument constructors
24        - clear unused fields when saving samples and regions
25        - fixed write support bugs: v3 dimension limits and chunksize
26          weren't saved, leverage controller of type controlchange
27          couldn't be saved, group name list chunk was placed wrong,
28          dimension region chunks also placed wrong
29        - added initialization of some fixed info strings in file and
30          instrument
31        - write support: files created by libgig will now have the RIFF
32          chunks in correct order
33        - write support: two previously unknown fields in dimension
34          definition are now saved
35        - added constants for gig file versions
36        - write support: the 3crc and einf chunks are now created or
37          updated when a file is saved (3crc contains sample checksums,
38          einf contains file statistics)
39        - write support: DLSID is now generated on the file and the
40          instruments
41        - write support: improved the default values for dimension region
42          parameters
43        - more write support fixes: crossfade parameters were not saved,
44          v3 dimension limits were not correctly initialized and saved
45          when dimensions were added or deleted, v3 wave pool offsets were
46          not saved correctly
47        - write support: 24 bit samples can now be written
48        - write support: version 3 is now the default for new files
49        - more write support fixes: the 3ewg chunk is now bigger for v3,
50          dimension regions without mapped samples are now allowed, 3gnl
51          list in v3 files now always has 128 entries, several parameters
52          where incorrectly saved due to an operator precedence mistake
53        - DeleteSample now removes all references to the deleted sample
54        - AddDimension now copies all parameters from existing dimension
55          regions and also makes sure that the samplechannel dimension is
56          placed first in the list of dimensions.
57    
58      * src/RIFF.cpp, src/RIFF.h:
59        - added File::SetByteOrder method
60        - Windows fix: saving a new file didn't work
61    
62      * src/gigdump.cpp:
63        - added some missing dimension strings
64    
65    Version 3.1.1 (24 Mar 2007)
66    
67      * packaging changes:
68        - ported to Windows using native Windows functions for file IO
69          (provided Dev-C++ + mingw project file)
70        - only export relevant files to Doxygen API documentation
71    
72      * src/gig.cpp, src/gig.h:
73        - custom velocity splits now works for gig v3 files too
74        - added support for custom splits points for other dimensions than
75          velocity (gig v3 feature)
76        - added "smart midi" and "round robin keyboard" dimensions
77        - added new method File::DeleteGroupOnly() which only deletes the given
78          group but moves all its members to another group, the other method,
79          that is File::DeleteGroup() now removes not just the group, but also
80          all the samples that belong to that group
81        - fixed crash which occured on interfering File::DeleteSample() and
82          File::GetNextSample() calls (due to iterator invalidation)
83        - fixed group names which were not saved
84        - fixed group destructor which did not remove the RIFF chunk associated
85          with the group
86        - added Instrument::MoveRegion method
87        - fixed constructor for Region, which did not initialize correctly
88          when used from Instrument::AddRegion
89        - when saving, override the gig::Regions sample reference simply by
90          the region's first dimension region's sample (avoids an exception
91          when trying to save a new instrument)
92        - fixed AddDimension() method which did not fill out all mandatory
93          dimension definition fields
94    
95      * src/DLS.cpp, src/DLS.h:
96        - added Instrument::MoveRegion method
97        - fixed software info field which was wrongly stored on instruments,
98          causing an exception when trying to save a new instrument
99    
100      * src/RIFF.cpp, src/RIFF.h:
101        - fixed RIFF::Chunk destructor which did not unregister previously
102          resized chunks, leading to a "zero size chunk" exception when
103          File::Save() was called
104        - added List::MoveSubChunk method
105    
106    Version 3.1.0 (24 Nov 2006)
107    
108      * packaging changes:
109        - changed deprecated copyright attribute to license;
110          added ldconfig to post-(un)install steps on libgig.spec (RPM)
111    
112      * src/gig.cpp, src/gig.h:
113        - added support for more than one set of custom velocity splits
114          inside a region (for example different velocity split levels for
115          pedal up and pedal down)
116        - sample loop parameters are now taken from the DimensionRegion
117          instead of the wave chunk
118        - keyswitching dimension is changed from split type "normal" to
119          "bit"
120        - real support for 24 bit samples - samples are not truncated to
121          16 bits anymore
122        - support for reading of ".art" files. (Merging of .art and .gig
123          files are not implemented yet.)
124        - several fixes for the write support
125        - support for sample groups added
126    
127      * src/DLS.cpp, src/DLS.h:
128        - support for reading of ".art" files
129        - removed incorrect use of memccpy in the write support (patch by
130          Jeremy Kerr)
131        - several fixes for the write support
132    
133      * src/gigextract.cpp:
134        - real support for 24 bit samples
135    
136      * src/gigdump.cpp:
137        - print global file informations
138        - print sample groups
139    
140      * general changes:
141        - added CPPUnit test cases (at the moment primarily for automatic check
142          of Gigasampler write support)
143    
144    Version 3.0.0 (28 Apr 2006)
145    
146      * general changes:
147        - added write support (that is for creating and modifying RIFF, DLS and
148          gig files)
149        - loading DLS and gig files is now much more permissive, DLS and gig
150          files are now loaded even if mandatory RIFF chunks are missing
151        - fixed some memory management errors, one of them was causing a
152          crash when a multi-file gig was deallocated
153    
154      * src/gig.cpp, src/gig.h:
155        - fixed the GetVelocityCutoff function, it wasn't always using the
156          VCFVelocityScale parameter when no cutoff controller was defined
157        - support for the gig v3 feature to have a number of dimension
158          splits not equal to a power of two
159        - added write support (highly experimental)
160    
161      * src/DLS.cpp, src/DLS.h:
162        - fixed loading of Articulation Connections (<artl> list chunks were
163          seeked instead of ordinary <artl> data chunks)
164        - added write support (highly experimental)
165    
166      * src/RIFF.cpp, src/RIFF.h:
167        - added write support
168        - Chunk::LoadChunkData() can now be called again to resize the buffer
169          after a Chunk::Resize() and before the File::Save() call to allow
170          placing the new data in the chunk's write buffer and perform the
171          resize and write operations in one rush
172    
173      * src/gigdump.cpp:
174        - fixed to show the correct amount of dimension regions instead of 32
175          (patch by James Wylder)
176    
177      * src/dlsdump.cpp:
178        - show for every region the name of the referenced sample
179        - show file name in quotation marks
180    
181    Version 2.0.2 (15 Aug 2005)
182    
183      * packaging changes:
184        - require automake (>= 1.5) for 'make -f Makefile.cvs'
185          (mandatory for 'dist-bzip2' automake option)
186    
187      * src/gig.cpp, src/gig.h:
188        - support for gig v3 multi-file format (.gig, .gx01, .gx02, ...),
189          the extension files are read automatically when the samples are
190          loaded
191        - fixed the 24 bit decompression, the result should now be exact
192          instead of an approximation
193        - added VCFCutoffControllerInvert parameter and GetVelocityCutoff
194          function to DimensionRegion
195    
196      * src/DLS.cpp, src/DLS.h:
197        - the upper bits of the pool table indices are read (used as
198          extension file numbers for gig v3)
199    
200      * src/RIFF.cpp, src/RIFF.h:
201        - the file name is remembered in the RIFF::File object
202    
203    Version 2.0.1 (12 Jun 2005)
204    
205      * packaging changes:
206        - include debian/ directory on 'make dist'
207        - create a bzip2 tarball on 'make dist'
208    
209      * src/gigextract.cpp:
210        - show also version of libsndfile or build version of libaudiofile when
211          using the -v switch
212        - fixed mutual link dependency to libsndfile / libaudiofile
213    
214      * src/gig.cpp, src/gig.h:
215        - added DimensionRegion::GetVelocityRelease function
216    
217    Version 2.0.0 (9 May 2005)
218    
219      * packaging changes:
220        - fixed conditional linkage of either libsndfile or libaudiofile
221          (if none of the two exist, configure script will abort)
222        - man pages are now auto generated with the correct libgig version
223    
224      * src/gig.cpp, src/gig.h:
225        - experimental support for Gigasampler v3 format;
226          64 bit file offsets are truncated to 32 bit, 24 bit samples are
227          truncated to 16 bit, up to 8 dimensions are read, additional
228          articulation informations are ignored at the moment
229          (patch by Andreas Persson)
230        - added some file format compatibility checks
231        - fixed vcf_type_lowpassturbo value (vcf_type_lowpassturbo was actually
232          never used, because the necessary check was made before
233          initialization)
234        - fixed crossfade points order (structure for big endian and little
235          endian systems was interchanged)
236        - fixed some memory leaks (patch by 'Gene', a.k.a Anders Alm)
237        - fixed crash which occured when patches did not have a sample assigned
238          to their region or dimension region (patch by Andreas Persson)
239        - support for compressed mono samples
240        - experimental support for compressed 24 bit samples
241        - fixed decompression on big-endian CPUs
242        - fixed decompression bug that truncated the last block of samples
243        - external decompression buffers can now be used for streaming samples
244          to avoid race conditions in case of multiple streaming threads
245        - added pre-calculated sample attenuation parameter
246        - added v3 "random" and "round robin" dimensions
247        - implemented progress indicator callback mechanism for loading
248          instruments and samples
249        - added functions libraryName() and libraryVersion()
250    
251      * src/DLS.cpp, src/DLS.h:
252        - fixed File constructor which caused variable File::Instruments always
253          to be zero
254        - added functions libraryName() and libraryVersion()
255    
256      * src/RIFF.cpp, src/RIFF.h:
257        - fixed method List::LoadSubChunks() which did not restore the original
258          position within the body of the given list chunk
259        - added functions libraryName() and libraryVersion()
260    
261      * src/rifftree.cpp:
262        - added command line switch -v to show rifftree's revision and the used
263          libgig version
264    
265      * src/dlsdump.cpp:
266        - added command line switch -v to show dlsdump's revision and the used
267          libgig version
268    
269      * src/gigdump.cpp:
270        - added output of UnityNote, FineTune, Gain, SampleStartOffset an
271          LoopPlayCount
272        - added command line switch -v to show gigdump's revision and the used
273          libgig version
274    
275      * src/gigextract.cpp:
276        - support for compressed mono samples and compressed 24 bit samples
277        - added command line switch -v to show gigextract's revision and the
278          used libgig version
279    
280    Version 1.0.0 (26 Nov 2004)
281    
282      * packaging changes:
283        - renamed 'libgig.pc.in' -> 'gig.pc.in' and renamed pkg-config lib name
284          'libgig' -> 'gig' as it's common practice to omit the 'lib' prefix
285        - fixed man pages automake install rule (which didn't work on Mandrake,
286          SuSE and Fedora)
287        - fixed generation of Doxygen API documentation (now also included in
288          RPM and Debian packages)
289    
290      * src/gig.cpp, src/gig.h:
291        - fixed / improved accuracy of all three velocity to volume
292          transformation functions a.k.a. 'nonlinear','linear','special'
293          (patch by Andreas Persson)
294        - denormals are filtered from the velocity to volume tables
295        - bugfix for dimension region switching (wrong handling of the release
296          trigger dimension, no bit range check for dimensions of split type
297          'split_type_bit')
298        - fixed panorama value in DimensionRegion (invalid conversion from
299          signed 7 bit to signed 8 bit)
300        - added class attribute 'Layers' to class 'gig::Region'
301        - symbol prototyping of gig::Region (fixes build failure with qsampler)
302    
303      * src/gigextract.cpp:
304        - added support for libsndfile (if libaudiofile and libsndfile are
305          available then libsndfile is preferred)
306    
307      * src/gigdump.cpp:
308        - added printout for dimension informations (amount, type, bits, zones)
309        - added printout for velocity response curve parameters
310        - added printout for crossfade definitions
311        - added printout for panorama value for each DimensionRegion
312        - replaced printout of DLS Region layer by printout of amount of
313          Gigasampler layers
314    
315    Version 0.7.1 (2 Jul 2004)
316    
317      * packaging changes:
318        - added libgig.spec and libgig.pc package configurations for generating
319          Redhat packages
320        - header files included on installation.
321        - autotools-generated files removed from CVS repository.
322        - added support for generating Debian packages
323        - version of shared library can be set in configure.in
324    
325    Version 0.7.0 (3 May 2004)
326    
327      * general changes:
328        - various big endian specific corrections
329          (successfully tested now on PPC)
330        - minor adjustments to avoid compile errors on some systems
331          (using now pow() instead of powl() and --pedantic g++ compiler switch)
332        - libtoolized the library
333        - added man pages for the command line tools
334          (gigextract, gigdump, dlsdump, rifftree)
335    
336      * src/gig.cpp, src/gig.h:
337        - fixed bug in decompression algorithm which caused it not to detect
338          the end of a stream
339        - added method GetVelocityAttenuation() to class 'DimensionRegion' which
340          takes the MIDI key velocity value as an argument and returns the
341          appropriate volume factor (0.0 ... 1.0) for the sample to be played
342          back, the velocity curve transformation functions used for this are
343          only an approximation so far
344        - fixed class attributes 'Sample::LoopStart', 'Sample::LoopEnd' and
345          'Sample::LoopSize' which reflected wrong values
346        - class attributes 'Sample::LoopStart' and 'Sample::LoopEnd' are now
347          measured in sample points instead of byte offset
348        - renamed misleading attribute name 'Sample::MIDIPitchFraction' to
349          'Sample::FineTune'
350        - added class attribute 'Sample::LoopSize'
351        - added method GetInstrument(uint index) to class 'File'
352        - added ReadAndLoop() method to class 'Sample' which is an extension to
353          the normal Read() method to honor the sample's looping information
354          while streaming from disk
355        - changed interface for 'attenuation_ctrl_t', 'eg1_ctrl_t' and
356          'eg2_ctrl_t': replaced this huge enumeration by a structure which
357          reflects the MIDI controller number in case of an ordinary control
358          change controller (this saves a huge switch-case block in the
359          application of the library user)
360        - renamed following attributes in class 'DimensionRegion':
361          'AttenuationContol' -> 'AttenuationController',
362          'InvertAttenuationControl' -> 'InvertAttenuationController',
363          'AttenuationControlTreshold' -> 'AttenuationControllerThreshold'
364        - minor fix in API documentation for method GetVelocityAttenuation() in
365          class 'DimensionRegion'
366    
367      * src/RIFF.cpp, src/RIFF.h:
368        - added additional API documentation
369        - minor fix in Chunk::Read() method (only a minor efficiency issue)
370    
371      * src/gigdump.cpp:
372        - added printout of samples' looping informations
373    
374  Version 0.6.0 (3 Nov 2003)  Version 0.6.0 (3 Nov 2003)
375    
376    * initial release    * initial release

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