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revision 2 by schoenebeck, Sat Oct 25 20:15:04 2003 UTC revision 1218 by persson, Fri Jun 1 19:19:28 2007 UTC
# Line 0  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    
15      * src/gig.cpp, src/gig.h:
16        - fixed segmentation fault in the gig::File destructor sequence which
17          happened when gig::Group informations were accessed before
18        - fixed write support for big-endian systems
19        - defined lengths of a fixed set of info strings. These strings
20          are saved when the file is written, even if they are empty.
21        - added missing parameter initalizations in sample, region and
22          instrument constructors
23        - clear unused fields when saving samples and regions
24        - fixed write support bugs: v3 dimension limits and chunksize
25          weren't saved, leverage controller of type controlchange
26          couldn't be saved, group name list chunk was placed wrong,
27          dimension region chunks also placed wrong
28        - added initialization of some fixed info strings in file and
29          instrument
30        - write support: files created by libgig will now have the RIFF
31          chunks in correct order
32        - write support: two previously unknown fields in dimension
33          definition are now saved
34        - added constants for gig file versions
35        - write support: the 3crc and einf chunks are now created or
36          updated when a file is saved (3crc contains sample checksums,
37          einf contains file statistics)
38        - write support: DLSID is now generated on the file and the
39          instruments
40        - write support: improved the default values for dimension region
41          parameters
42    
43      * src/RIFF.cpp, src/RIFF.h:
44        - added File::SetByteOrder method
45    
46    Version 3.1.1 (24 Mar 2007)
47    
48      * packaging changes:
49        - ported to Windows using native Windows functions for file IO
50          (provided Dev-C++ + mingw project file)
51        - only export relevant files to Doxygen API documentation
52    
53      * src/gig.cpp, src/gig.h:
54        - custom velocity splits now works for gig v3 files too
55        - added support for custom splits points for other dimensions than
56          velocity (gig v3 feature)
57        - added "smart midi" and "round robin keyboard" dimensions
58        - added new method File::DeleteGroupOnly() which only deletes the given
59          group but moves all its members to another group, the other method,
60          that is File::DeleteGroup() now removes not just the group, but also
61          all the samples that belong to that group
62        - fixed crash which occured on interfering File::DeleteSample() and
63          File::GetNextSample() calls (due to iterator invalidation)
64        - fixed group names which were not saved
65        - fixed group destructor which did not remove the RIFF chunk associated
66          with the group
67        - added Instrument::MoveRegion method
68        - fixed constructor for Region, which did not initialize correctly
69          when used from Instrument::AddRegion
70        - when saving, override the gig::Regions sample reference simply by
71          the region's first dimension region's sample (avoids an exception
72          when trying to save a new instrument)
73        - fixed AddDimension() method which did not fill out all mandatory
74          dimension definition fields
75    
76      * src/DLS.cpp, src/DLS.h:
77        - added Instrument::MoveRegion method
78        - fixed software info field which was wrongly stored on instruments,
79          causing an exception when trying to save a new instrument
80    
81      * src/RIFF.cpp, src/RIFF.h:
82        - fixed RIFF::Chunk destructor which did not unregister previously
83          resized chunks, leading to a "zero size chunk" exception when
84          File::Save() was called
85        - added List::MoveSubChunk method
86    
87    Version 3.1.0 (24 Nov 2006)
88    
89      * packaging changes:
90        - changed deprecated copyright attribute to license;
91          added ldconfig to post-(un)install steps on libgig.spec (RPM)
92    
93      * src/gig.cpp, src/gig.h:
94        - added support for more than one set of custom velocity splits
95          inside a region (for example different velocity split levels for
96          pedal up and pedal down)
97        - sample loop parameters are now taken from the DimensionRegion
98          instead of the wave chunk
99        - keyswitching dimension is changed from split type "normal" to
100          "bit"
101        - real support for 24 bit samples - samples are not truncated to
102          16 bits anymore
103        - support for reading of ".art" files. (Merging of .art and .gig
104          files are not implemented yet.)
105        - several fixes for the write support
106        - support for sample groups added
107    
108      * src/DLS.cpp, src/DLS.h:
109        - support for reading of ".art" files
110        - removed incorrect use of memccpy in the write support (patch by
111          Jeremy Kerr)
112        - several fixes for the write support
113    
114      * src/gigextract.cpp:
115        - real support for 24 bit samples
116    
117      * src/gigdump.cpp:
118        - print global file informations
119        - print sample groups
120    
121      * general changes:
122        - added CPPUnit test cases (at the moment primarily for automatic check
123          of Gigasampler write support)
124    
125    Version 3.0.0 (28 Apr 2006)
126    
127      * general changes:
128        - added write support (that is for creating and modifying RIFF, DLS and
129          gig files)
130        - loading DLS and gig files is now much more permissive, DLS and gig
131          files are now loaded even if mandatory RIFF chunks are missing
132        - fixed some memory management errors, one of them was causing a
133          crash when a multi-file gig was deallocated
134    
135      * src/gig.cpp, src/gig.h:
136        - fixed the GetVelocityCutoff function, it wasn't always using the
137          VCFVelocityScale parameter when no cutoff controller was defined
138        - support for the gig v3 feature to have a number of dimension
139          splits not equal to a power of two
140        - added write support (highly experimental)
141    
142      * src/DLS.cpp, src/DLS.h:
143        - fixed loading of Articulation Connections (<artl> list chunks were
144          seeked instead of ordinary <artl> data chunks)
145        - added write support (highly experimental)
146    
147      * src/RIFF.cpp, src/RIFF.h:
148        - added write support
149        - Chunk::LoadChunkData() can now be called again to resize the buffer
150          after a Chunk::Resize() and before the File::Save() call to allow
151          placing the new data in the chunk's write buffer and perform the
152          resize and write operations in one rush
153    
154      * src/gigdump.cpp:
155        - fixed to show the correct amount of dimension regions instead of 32
156          (patch by James Wylder)
157    
158      * src/dlsdump.cpp:
159        - show for every region the name of the referenced sample
160        - show file name in quotation marks
161    
162    Version 2.0.2 (15 Aug 2005)
163    
164      * packaging changes:
165        - require automake (>= 1.5) for 'make -f Makefile.cvs'
166          (mandatory for 'dist-bzip2' automake option)
167    
168      * src/gig.cpp, src/gig.h:
169        - support for gig v3 multi-file format (.gig, .gx01, .gx02, ...),
170          the extension files are read automatically when the samples are
171          loaded
172        - fixed the 24 bit decompression, the result should now be exact
173          instead of an approximation
174        - added VCFCutoffControllerInvert parameter and GetVelocityCutoff
175          function to DimensionRegion
176    
177      * src/DLS.cpp, src/DLS.h:
178        - the upper bits of the pool table indices are read (used as
179          extension file numbers for gig v3)
180    
181      * src/RIFF.cpp, src/RIFF.h:
182        - the file name is remembered in the RIFF::File object
183    
184    Version 2.0.1 (12 Jun 2005)
185    
186      * packaging changes:
187        - include debian/ directory on 'make dist'
188        - create a bzip2 tarball on 'make dist'
189    
190      * src/gigextract.cpp:
191        - show also version of libsndfile or build version of libaudiofile when
192          using the -v switch
193        - fixed mutual link dependency to libsndfile / libaudiofile
194    
195      * src/gig.cpp, src/gig.h:
196        - added DimensionRegion::GetVelocityRelease function
197    
198    Version 2.0.0 (9 May 2005)
199    
200      * packaging changes:
201        - fixed conditional linkage of either libsndfile or libaudiofile
202          (if none of the two exist, configure script will abort)
203        - man pages are now auto generated with the correct libgig version
204    
205      * src/gig.cpp, src/gig.h:
206        - experimental support for Gigasampler v3 format;
207          64 bit file offsets are truncated to 32 bit, 24 bit samples are
208          truncated to 16 bit, up to 8 dimensions are read, additional
209          articulation informations are ignored at the moment
210          (patch by Andreas Persson)
211        - added some file format compatibility checks
212        - fixed vcf_type_lowpassturbo value (vcf_type_lowpassturbo was actually
213          never used, because the necessary check was made before
214          initialization)
215        - fixed crossfade points order (structure for big endian and little
216          endian systems was interchanged)
217        - fixed some memory leaks (patch by 'Gene', a.k.a Anders Alm)
218        - fixed crash which occured when patches did not have a sample assigned
219          to their region or dimension region (patch by Andreas Persson)
220        - support for compressed mono samples
221        - experimental support for compressed 24 bit samples
222        - fixed decompression on big-endian CPUs
223        - fixed decompression bug that truncated the last block of samples
224        - external decompression buffers can now be used for streaming samples
225          to avoid race conditions in case of multiple streaming threads
226        - added pre-calculated sample attenuation parameter
227        - added v3 "random" and "round robin" dimensions
228        - implemented progress indicator callback mechanism for loading
229          instruments and samples
230        - added functions libraryName() and libraryVersion()
231    
232      * src/DLS.cpp, src/DLS.h:
233        - fixed File constructor which caused variable File::Instruments always
234          to be zero
235        - added functions libraryName() and libraryVersion()
236    
237      * src/RIFF.cpp, src/RIFF.h:
238        - fixed method List::LoadSubChunks() which did not restore the original
239          position within the body of the given list chunk
240        - added functions libraryName() and libraryVersion()
241    
242      * src/rifftree.cpp:
243        - added command line switch -v to show rifftree's revision and the used
244          libgig version
245    
246      * src/dlsdump.cpp:
247        - added command line switch -v to show dlsdump's revision and the used
248          libgig version
249    
250      * src/gigdump.cpp:
251        - added output of UnityNote, FineTune, Gain, SampleStartOffset an
252          LoopPlayCount
253        - added command line switch -v to show gigdump's revision and the used
254          libgig version
255    
256      * src/gigextract.cpp:
257        - support for compressed mono samples and compressed 24 bit samples
258        - added command line switch -v to show gigextract's revision and the
259          used libgig version
260    
261    Version 1.0.0 (26 Nov 2004)
262    
263      * packaging changes:
264        - renamed 'libgig.pc.in' -> 'gig.pc.in' and renamed pkg-config lib name
265          'libgig' -> 'gig' as it's common practice to omit the 'lib' prefix
266        - fixed man pages automake install rule (which didn't work on Mandrake,
267          SuSE and Fedora)
268        - fixed generation of Doxygen API documentation (now also included in
269          RPM and Debian packages)
270    
271      * src/gig.cpp, src/gig.h:
272        - fixed / improved accuracy of all three velocity to volume
273          transformation functions a.k.a. 'nonlinear','linear','special'
274          (patch by Andreas Persson)
275        - denormals are filtered from the velocity to volume tables
276        - bugfix for dimension region switching (wrong handling of the release
277          trigger dimension, no bit range check for dimensions of split type
278          'split_type_bit')
279        - fixed panorama value in DimensionRegion (invalid conversion from
280          signed 7 bit to signed 8 bit)
281        - added class attribute 'Layers' to class 'gig::Region'
282        - symbol prototyping of gig::Region (fixes build failure with qsampler)
283    
284      * src/gigextract.cpp:
285        - added support for libsndfile (if libaudiofile and libsndfile are
286          available then libsndfile is preferred)
287    
288      * src/gigdump.cpp:
289        - added printout for dimension informations (amount, type, bits, zones)
290        - added printout for velocity response curve parameters
291        - added printout for crossfade definitions
292        - added printout for panorama value for each DimensionRegion
293        - replaced printout of DLS Region layer by printout of amount of
294          Gigasampler layers
295    
296    Version 0.7.1 (2 Jul 2004)
297    
298      * packaging changes:
299        - added libgig.spec and libgig.pc package configurations for generating
300          Redhat packages
301        - header files included on installation.
302        - autotools-generated files removed from CVS repository.
303        - added support for generating Debian packages
304        - version of shared library can be set in configure.in
305    
306    Version 0.7.0 (3 May 2004)
307    
308      * general changes:
309        - various big endian specific corrections
310          (successfully tested now on PPC)
311        - minor adjustments to avoid compile errors on some systems
312          (using now pow() instead of powl() and --pedantic g++ compiler switch)
313        - libtoolized the library
314        - added man pages for the command line tools
315          (gigextract, gigdump, dlsdump, rifftree)
316    
317      * src/gig.cpp, src/gig.h:
318        - fixed bug in decompression algorithm which caused it not to detect
319          the end of a stream
320        - added method GetVelocityAttenuation() to class 'DimensionRegion' which
321          takes the MIDI key velocity value as an argument and returns the
322          appropriate volume factor (0.0 ... 1.0) for the sample to be played
323          back, the velocity curve transformation functions used for this are
324          only an approximation so far
325        - fixed class attributes 'Sample::LoopStart', 'Sample::LoopEnd' and
326          'Sample::LoopSize' which reflected wrong values
327        - class attributes 'Sample::LoopStart' and 'Sample::LoopEnd' are now
328          measured in sample points instead of byte offset
329        - renamed misleading attribute name 'Sample::MIDIPitchFraction' to
330          'Sample::FineTune'
331        - added class attribute 'Sample::LoopSize'
332        - added method GetInstrument(uint index) to class 'File'
333        - added ReadAndLoop() method to class 'Sample' which is an extension to
334          the normal Read() method to honor the sample's looping information
335          while streaming from disk
336        - changed interface for 'attenuation_ctrl_t', 'eg1_ctrl_t' and
337          'eg2_ctrl_t': replaced this huge enumeration by a structure which
338          reflects the MIDI controller number in case of an ordinary control
339          change controller (this saves a huge switch-case block in the
340          application of the library user)
341        - renamed following attributes in class 'DimensionRegion':
342          'AttenuationContol' -> 'AttenuationController',
343          'InvertAttenuationControl' -> 'InvertAttenuationController',
344          'AttenuationControlTreshold' -> 'AttenuationControllerThreshold'
345        - minor fix in API documentation for method GetVelocityAttenuation() in
346          class 'DimensionRegion'
347    
348      * src/RIFF.cpp, src/RIFF.h:
349        - added additional API documentation
350        - minor fix in Chunk::Read() method (only a minor efficiency issue)
351    
352      * src/gigdump.cpp:
353        - added printout of samples' looping informations
354    
355    Version 0.6.0 (3 Nov 2003)
356    
357      * initial release

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