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revision 196 by schoenebeck, Sat Jul 10 09:52:24 2004 UTC revision 3929 by schoenebeck, Tue Jun 15 12:22:26 2021 UTC
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1  Version CVS HEAD (?)  Version SVN trunk (?)
2    
3      * src/gig.cpp, src/gig.h:
4        - Region::DeleteDimensionZone(): Fix clang sanatizer warning.
5        - Region::SplitDimensionZone(): Fix clang sanatizer warning.
6        - Sample: Fix unnecessary RAM consumption in case of 24 bit samples
7          (InternalDecompressionBuffer is no longer needed for 24 bit samples since
8          SVN r902 / libgig release 3.1.0).
9        - Use GetSubChunkAt() instead of GetFirstSubChunk() / GetNextSubChunk() in
10          entire gig.cpp file.
11        - Use GetSubListAt() instead of GetFirstSubList() / GetNextSubList() in
12          entire gig.cpp file.
13        - Added method Instrument::GetRegionAt().
14        - Marked methods Instrument::GetFirstRegion() and
15          Instrument::GetNextRegion() as deprecated.
16        - Use GetRegionAt() instead of GetFirstRegion() / GetNextRegion() in entire
17          gig.cpp file.
18        - Changed signature of method File::GetSample(uint) to
19          File::GetSample(size_t,progress_t*).
20        - Marked methods File::GetFirstSample() and File::GetNextSample() as
21          deprecated.
22        - Use File::GetSample() instead of File::GetFirstSample() /
23          File::GetNextSample() in entire gig.cpp file.
24    
25      * src/SF.cpp, src/SF.h:
26        - File::DeleteInstrument(): Fix clang sanatizer warning.
27    
28      * src/DLS.cpp, src/DLS.h:
29        - Use GetSubChunkAt() instead of GetFirstSubChunk() / GetNextSubChunk() in
30          entire DLS.cpp file.
31        - Use GetSubListAt() instead of GetFirstSubList() / GetNextSubList() in
32          entire DLS.cpp file.
33        - Added method Instrument::GetRegionAt().
34        - Marked methods Instrument::GetFirstRegion() and
35          Instrument::GetNextRegion() as deprecated.
36        - Use GetRegionAt() instead of GetFirstRegion() / GetNextRegion() in entire
37          DLS.cpp file.
38        - Added method File::GetSample().
39        - Marked methods File::GetFirstSample() and File::GetNextSample() as
40          deprecated.
41        - Use File::GetSample() instead of File::GetFirstSample() /
42          File::GetNextSample() in entire DLS.cpp file.
43    
44      * src/RIFF.cpp, src/RIFF.h:
45        - Chunk::LoadChunkData(): Fix clang sanatizer warning.
46        - List::LoadSubChunks(): Fix potential garbage data access if reading a
47          RIFF chunk ID failed.
48        - Added methods File::IsIOPerThread() and File::SetIOPerThread(bool); the
49          latter allows to automatically use a separate file I/O stream state for
50          each thread.
51        - Added method List::GetSubChunkAt().
52        - Added method List::GetSubListAt().
53        - Marked methods List::GetFirstSubChunk(), List::GetNextSubChunk(),
54          List::GetFirstSubList() and List::GetNextSubList() as deprecated.
55        - Use GetSubListAt() instead of GetFirstSubList() / GetNextSubList() in
56          entire RIFF.cpp file.
57    
58    Version 4.3.0 (9 May 2021)
59    
60      * general changes:
61        - Require at least a C++11 compliant compiler.
62        - Require some UUID generating function by underlying system.
63    
64      * src/gig.cpp, src/gig.h:
65        - GIG FORMAT EXTENSION: Added attributes DimensionRegion::LFO1WaveForm,
66          DimensionRegion::LFO2WaveForm and DimensionRegion::LFO3WaveForm, which
67          allow to define override LFOs' wave form (e.g. saw or square instead of
68          the default wave form which was always sine in the original
69          Gigasampler/GigaStudio software).
70        - GIG FORMAT EXTENSION: Added attributes DimensionRegion::LFO1Phase,
71          DimensionRegion::LFO2Phase and DimensionRegion::LFO3Phase, which allow to
72          move the start point horizontally of the LFOs' waves (0° ... 360°).
73        - GIG FORMAT EXTENSION: Added attribute DimensionRegion::LFO3FlipPhase
74          (the original Gigasampler/GigaStudio software only had that flip phase
75          option for LFO1 and LFO2).
76        - Added methods DimensionRegion::UsesAnyGigFormatExtension(),
77          Region::UsesAnyGigFormatExtension(),
78          Instrument::UsesAnyGigFormatExtension() and
79          File::UsesAnyGigFormatExtension() (however only as private methods yet,
80          see comments on methods why).
81        - GIG FORMAT EXTENSION: added LinuxSampler specific filter type
82          implementations to enum vcf_type_t: vcf_type_lowpass_1p,
83          vcf_type_lowpass_2p, vcf_type_lowpass_4p, vcf_type_lowpass_6p,
84          vcf_type_highpass_1p, vcf_type_highpass_2p, vcf_type_highpass_4p,
85          vcf_type_highpass_6p, vcf_type_bandpass_2p, vcf_type_bandreject_2p.
86        - Compatibility fix: GigaStudio always expects 128 '3gnm' RIFF chunks
87          (patch by Ivan Maguidhir).
88        - Compatibility fix: GigaStudio 3 expects '3dnm' and '3ddp' RIFF chunks
89          (original patch by Ivan Maguidhir).
90        - Region::DeleteDimensionZone() and Region::SplitDimensionZone(): Fixed
91          dimensions being in different order after deleting a dimension zone.
92        - Script: Generate a persistent UUID for each script.
93        - GIG FORMAT EXTENSION: Added support for script 'patch' variables and
94          accordingly added new methods to Instrument class:
95          IsScriptPatchVariableSet(), GetScriptPatchVariables(),
96          GetScriptPatchVariable(), SetScriptPatchVariable(),
97          UnsetScriptPatchVariable(); stored persistently as new 'SCPV' RIFF chunk
98          as child of our '3LS ' list chunk on Instrument level.
99        - Fixed undefined behaviour when modifying script slots on an instrument
100          that had been cloned and not been saved yet (e.g. unintended modification
101          of original instrument's script slots, and crash on Instrument destruction
102          due to double free of pScriptRefs).
103    
104      * src/Serialization.cpp, src/Serialization.h:
105        - Fixed broken Archive(RawData) constructor which always threw an
106          Exception.
107        - Added built-in support for C++ String objects (a.k.a. std::string
108          from the STL) and bumped Srx format version to 1.1 for that reason.
109        - Fixed assertion fault on some systems if a member variable defined was
110          serialized which was declared as size_t or ssize_t data type.
111        - Added new method Archive::operation() which allows applications to
112          distinguish between serialization vs. deserialization in their
113          serialize() method implementations.
114        - Added built-in support for C++ Array<> objects (a.k.a. std::vector from
115          the STL).
116        - Member offsets are now signed and for (newly added support of) member
117          variables on the heap -1 is always used as offset instead.
118        - Added built-in support for C++ Set<> objects (a.k.a. std::set from the
119          STL).
120        - DataType: Added optional 2nd custom type name.
121        - Added built-in support for C++ Map<> objects (a.k.a. std::map from the
122          STL).
123    
124      * src/helper.h:
125        - Fix compile error with GCC 9 due to ignored result value of vasprintf()
126          function call.
127    
128      * src/tools/gigdump.cpp:
129        - Print dimension region properties LFO1WaveForm, LFO2WaveForm,
130          LFO3WaveForm, LFO1Phase, LFO2Phase, LFO3Phase, LFO1FlipPhase,
131          LFO2FlipPhase and LFO3FlipPhase.
132    
133    Version 4.2.0 (25 Jul 2019)
134    
135      * general changes:
136        - Added MSVC build support (anonymous patch from mailing list).
137        - Introduced CMake build support (yet constrained for building with MSVC)
138          (anonymous patch from mailing list).
139        - Fix: Don't automatically delete RIFF chunks from DLS/gig classes'
140          destructors. Added new virtual method DeleteChunks() to those classes
141          for this which must be explicitly called instead to remove their RIFF
142          chunks.
143        - Fix: Many methods of DLS/gig classes assumed a RIFF chunk read position
144          of zero; which is unsafe per se.
145        - Added C++11 "override" keyword where appropriate.
146        - Fixed crash in RIFF, DLS and gig classes which occurred on certain
147          of their actions when not passing a progress_t callback structure.
148    
149      * src/gig.cpp, src/gig.h:
150        - Fixed Doxygen API comments for enum types (currently latest Doxygen
151          [v1.8.13] only supports C comments in macro arguments expansion, but
152          not C++ comments; see <FindDefineArgs> lexer rules in src/pre.l of
153          the Doxygen source code, which currently also filter out new line
154          \n chars).
155        - Added new method File::CountSamples().
156        - Added new method File::CountInstruments().
157        - Fixed gig v4 files falsely being handled as v2 format
158          (patch by Ivan Maguidhir).
159        - Added gig v4 version identifier (File::VERSION_4).
160        - GIG FORMAT EXTENSION: Added attribute
161          DimensionRegion::SustainReleaseTrigger which allows to define whether
162          a sustain pedal up event shall cause a release trigger sample to be
163          played (default: don't play release trigger sample by sustain pedal).
164        - GIG FORMAT EXTENSION: Added attribute
165          DimensionRegion::NoNoteOffReleaseTrigger which allows to disable the
166          regular behaviour of playing release trigger sample on MIDI note-off
167          events.
168        - Introduced support for writing extension files (.gx01, .gx02, ...)
169          (original patch by Ivan Maguidhir).
170        - Many gig classes derive now from DLS::Storage (see DLS changes below).
171        - Added File::GetRiffFile() method.
172    
173      * src/DLS.cpp, src/DLS.h:
174        - File: Fixed implicitly allocated RIFF::File object never been freed.
175        - Added new abstract interface base class DLS::Storage which is derived by
176          the respective classes for implementing (the old) UpdateChunks() and the
177          new DeleteChunks() method.
178        - Added File::GetRiffFile() method.
179    
180      * src/sf2.cpp, src/sf2.h:
181        - Added Sample::GetFile() method.
182        - Added File::GetRiffFile() method.
183    
184      * src/Serialization.cpp, src/Serialization.h:
185        - Hide pure internal declarations from header file to avoid numerous
186          compiler warnings when building and linking against the public API.
187        - Fixed comparision logic bug
188        - Fixed memory leak in DataType::customTypeName().
189    
190      * src/RIFF.cpp, src/RIFF.h:
191        - Fix: Calling File::SetMode() left an undefined file handle on Windows and
192          caused a resource leak
193        - Avoid compiler warning when building for 32 bit windows.
194        - Added new method progress_t::subdivide().
195        - Fix: API doc comment for Chunk::GetFilePos() was completely wrong.
196        - progress_t: Added a 2nd (overridden) progress_t::subdivide() method which
197          allows a more fine graded control into which portions the subtasks are
198          divided to.
199    
200      * src/tools/gigdump.cpp:
201        - Added command line option --instrument-names which causes only
202          instrument names and their index numbers to be printed.
203    
204    Version 4.1.0 (25 Nov 2017)
205      * general changes:
206        - removed 2 GB limitation when loading a gig or DLS file
207        - using now native integer size where appropriate
208        - fixed minor issues with man pages (patch by Debian maintainer)
209        - fixed various spelling mistakes (patch by Debian maintainer)
210        - Added new "Serialization" framework (and equally named namespace)
211          which allows to serialize and deserialize native C++ objects
212          in a portable, easy and flexible way.
213        - print compiler warning if no RTTI available
214        - Fixed potential crash in command line tools gig2stereo, korg2gig,
215          korgdump and sf2extract.
216        - Fixed CVE-2017-12950, CVE-2017-12952, CVE-2017-12953
217          (original patch by Paul Brossier, slightly modified).
218        - Debian: Fixed packaging error about invalid substitution variable
219          "Source-Version".
220        - Raised Debian compatibility level to Debian 9 "Stretch".
221    
222      * src/gig.cpp, src/gig.h:
223        - fixed bug in Script::SetGroup: the script chunk wasn't moved
224        - fixed compilation error with clang 3.4
225        - GIG FORMAT EXTENSION: added support for saving gig file larger than 4 GB
226          as one single monolithic gig file. In case .gig file is >= 2GB expect a
227          large monolithic file, otherwise if .gig file is < 2 GB check for
228          "extension" files (.gx01, .gx02, ...) instead.
229        - fixed Region::UpdateUpdateVelocityTable() which did not work correctly
230          if there were dimensions after the velocity dimension: it only created
231          valid velocity tables for cases of dimensions lower than the velocity
232          dimension.
233        - added new method Sample::VerifyWaveData() which allows to check whether
234          a sample had been damaged for some reason
235        - Fix: samples' CRC checksums were damaged on file structure changes.
236        - Fix: samples' CRC checksums were misordered when a Sample was deleted.
237        - Added new method Sample::GetWaveDataCRC32Checksum().
238        - Changed default value of EG2Release (filter release time) to 60s.
239        - Instruments' default pitch bend range is now +-2 semi tones.
240        - Fixed CRC checksums being wrong sometimes.
241        - Fix: method File::AddContentOf() did not clone script groups and scripts
242          of passed original file.
243        - Added support for serializing & deserializing DimensionRegion
244          objects (and crossfade_t and leverage_ctrl_t objects).
245        - Added enum reflection API functions for retrieving enum declaration type
246          information at runtime (enumCount(), enumKey(), enumKeys(), enumValue()).
247        - Exception class now has a variadic constructor which allows to add
248          textual format specifiers like with printf().
249        - On unknown leverage controller exception: show precise unknown leverage
250          controller number found.
251        - Ignore invalid leverage controller types and just show a warning on the
252          console instead of throwing an exception.
253        - Added new struct eg_opt_t and new class member variable
254          DimensionRegion::EG1Options and DimensionRegion::EG2Options as an
255          extension to the gig file format, which allows to override the default
256          behavior of the first two EGs' state machines.
257        - Fixed undefined behavior when loading a gig file with invalid
258          velocity curve parameters (fixes CVE-2017-12951).
259        - Fixed undefined behavior when loading a gig file with invalid wave
260          pool index number (fixes CVE-2017-12954).
261    
262      * src/DLS.cpp, src/DLS.h:
263        - Sample: wave pool offsets are now 64 bits (to allow support for files
264          larger than 4 GB).
265        - Exception class now has a variadic constructor which allows to add
266          textual format specifiers like with printf().
267    
268      * src/RIFF.cpp, src/RIFF.h:
269        - added support for RIFF files larger than 4 GB, by default the required
270          internal RIFF file offset size is automatically detected (that is RIFF
271          files < 4 GB automatically use 32 bit offsets while files >= 4 GB
272          automatically use 64 bit offsets), a particular offset size can be forced
273          with a new option added to the RIFF File constructor though
274        - when saving a modified, grown RIFF file, the temporary file size during
275          Save() operation will no longer be larger than the final grown file size
276        - Exception class now has a variadic constructor which allows to add
277          textual format specifiers like with printf().
278    
279      * src/Serialization.cpp, src/Serialization.h:
280        - Archive: Added method isModified().
281        - Archive: Added method setAutoValue().
282        - Archive: Added method setIntValue().
283        - Archive: Added method setRealValue().
284        - Archive: Added method setBoolValue().
285        - Archive: Added method setEnumValue().
286        - Archive: Added method valueAsString().
287        - Archive::rawData(): Automatically re-encode new raw data stream if
288          archive had been modified (i.e. by remove(), setAutoValue(), etc.).
289        - Object: Added method memberByUID().
290        - Object: remove() method is now protected.
291        - Archive: Added method removeMember().
292        - Archive: Added methods name() and setName().
293        - Archive: Added methods comment() and setComment().
294        - Archive: Added methods timeStampCreated(), timeStampModified(),
295          dateTimeCreated() and dateTimeModified().
296        - Archive: Added methods valueAsInt(), valueAsReal() and valueAsBool().
297        - DataType: Implemented demangling C++ type names (for methods
298          asLongDescr() and customTypeName(bool demangle=false)).
299        - Archive::setAutoValue(): Handle human readable boolean text
300          representations like "yes", "no", "true", "false" as expected.
301        - Exception class now has a variadic constructor which allows to add
302          textual format specifiers like with printf().
303        - DataType fix: Retain backward compatibility to older versions of native
304          C++ classes/structs.
305    
306      * src/Akai.cpp:
307        - Fixed compilation error with recent, more strict compilers.
308    
309      * src/tools/akaidump.cpp, src/tools/akaiextract.cpp:
310        - improved output of non-ascii characters in usage messages
311        - fixed printf format strings
312    
313      * src/tools/korg2gig.cpp:
314        - fixed c++11 narrowing warnings
315        - fixed fine tuning which was not translated at all
316    
317      * src/tools/gigdump.cpp:
318        - additionally print VelocityUpperLimit and DimensionUpperLimits of all
319          dimension regions
320        - additionally print RIFF chunk file offset and RIFF chunk size of sample
321          data
322        - added and implemented new parameter "--verify" which allows to check
323          the raw wave form data integrity of all samples
324        - added and implemented new parameter "--rebuild-checksums" which allows
325          to recalculate the CRC32 checksum of all samples' raw wave data and
326          rebuilding the gig file's global checksum table (i.e. in case the
327          file's checksum table was damaged)
328        - print samples' CRC32 checksums
329        - Print the new EG behavior options (eg_opt_t).
330    
331      * src/tools/gigextract.cpp:
332        - Fix: if sample name contains a path separator (slash or backslash) then
333          replace them by a minus sign to avoid file system issues.
334    
335      * src/tools/gig2stereo.cpp:
336        - Also merge mono sample pairs with non matching loop information if
337          argument --incompatible was given.
338    
339      * packaging changes:
340        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
341          auto detect whether it (sh/c)ould output its messages in color.
342    
343    Version 4.0.0 (14 Jul 2015)
344      * general changes:
345        - minor Makefile fix for parallel make
346        - Mac OS X: link with CoreFoundation (for the UUID function)
347        - removed gcc 4.7 warnings
348        - modernized configure script
349        - removed usage of deprecated Automake variable INCLUDES
350        - added new command line tool "gigmerge"
351        - added "const" keyword to several methods
352        - added new command line tool "gig2mono"
353        - added man page for "sf2dump"
354        - added new command line tool "korgdump" (and a man page for it)
355        - added new command line tool "korg2gig" (and a man page for it)
356        - moved source files of command line tools to new subdir src/tools
357        - libgig.so and libakai.so files are now installed under
358          $(prefix)/lib/libgig/ by default.
359        - Header files are now installed under $(prefix)/include/libgig/ by default.
360        - Fixed various packaging issues regarding installation directories
361          (fixes #218).
362        - added new command line tool "gig2stereo" (and a man page for it)
363        - unit tests: fixed wrong return value when test suite app exits
364          (patch by Ryan Schmidt)
365        - added new command line tool "sf2extract" (and a man page for it)
366    
367      * SoundFont file format:
368        - initial implementation
369        - changed region lookup API to avoid malloc in RT threads
370        - fixed GetEG1Sustain which didn't return correct value
371        - bugfix: GetPan always returned -1, 0 or 1
372    
373      * KORG file format:
374        - initial support for sample based instruments in KORG's file format
375          (.KMP and .KSF files)
376    
377      * AKAI file format:
378        - Added Linux/POSIX ported version of libakai. Note that libakai is released
379          under LGPL terms while libgig is released under GPL terms. To handle this
380          license difference appropriately the AKAI support part is built as
381          separate DLL (.so file).
382        - Fixed Mac OSX support so that the Akai lib files and tools compile without
383          any exotic third party libraries.
384        - Fixed various compilation errors for Windows.
385        - POSIX fix: open() requires third (mode) argument if used with O_CREAT
386          (fixes #219).
387    
388      * src/gig.cpp:
389        - bugfix: VCF velocity dynamic range and VCF velocity curve
390          weren't saved correctly
391        - implemented File::AddDuplicateInstrument()
392        - bugfix: negative EG3 depth values were not correctly parsed or
393          saved
394        - added write support for CtrlTrigger midi rule
395        - added read and write support for Legato and Alternator midi
396          rules
397        - bugfix: sample groups were sometimes created multiple times or with
398          wrong textual group name
399        - added new method File::AddContentOf() for merging .gig files
400        - GIG FORMAT EXTENSION: added additional MIDI controllers for leverage
401          controller types (only works with LinuxSampler & gigedit, will not
402          work with Gigasampler/GigaStudio)
403        - added new method File::GetGroup(String name) for getting group by name
404        - added new method Region::GetDimensionDefinition(dimension_t type)
405        - bugfix: don't alter region pointer in DimensionRegion::CopyAssign()
406        - added some more sanity checks in Region::AddDimension()
407        - added new method Region::DeleteDimensionZone(dimension_t, int)
408        - added new method Region::SplitDimensionZone(dimension_t, int)
409        - Fixed crash caused by Region::GetDimensionRegionByValue() that happened
410          with certain velocity split sounds under certain conditions (added bound
411          constraints to prevent that)
412        - GIG FORMAT EXTENSION: added support for real-time instrument scripts.
413        - added new method Region::GetDimensionRegionIndexByValue()
414        - added new method Script::GetGroup()
415        - added new method Region::SetDimensionType()
416        - Added support for custom progress notification while saving to gig file.
417        - Bugfix: Adding a new region in between two existing regions caused the
418          new one being dropped after save operation and the gig file being tainted
419          (chunks at wrong location in the RIFF tree).
420        - Added new method Instrument::MoveTo() which allows to rearrange the order
421          of instruments within the same gig file.
422    
423      * src/DLS.cpp, src/DLS.h:
424        - added new method File::GetFileName()
425        - fixed minor "memory leak on exception" bug found with cppcheck
426        - added new method File::GetExtensionFile(int index)
427        - added new method File::SetFileName() allowing to call File::Save()
428          later on without passing a file name
429        - added inline helper methods overlaps() for struct range_t
430        - Added support for custom progress notification while saving to DLS file.
431        - Bugfix: Adding a new region in between two existing regions caused the
432          new one being dropped after save operation and the gig file being tainted
433          (chunks at wrong location in the RIFF tree).
434    
435      * src/SF.cpp, src/SF.h:
436        - added new method Sample::ReadNoClear()
437    
438      * src/RIFF.cpp, src/RIFF.h:
439        - bugfix: avoid calling read() with count 0 when writing a file,
440          as this may hang on some systems
441        - fixed memory leak and memory handling errors when file loading
442          fails
443        - added new method Chunk::ReadString
444        - added new method File::SetFileName() allowing to call File::Save()
445          later on without passing a file name
446        - added new method File::IsNew()
447        - added support for loading RIFF-like files with a bit different layout
448          than "real" RIFF files (used for KORG format support)
449        - added new method Chunk::GetFile()
450        - added new method Chunk::GetLayout()
451        - added 2nd, alternative method for List::MoveSubChunk(), the old 1st one
452          allows to move a subchunk within the current List, whereas the new 2nd
453          one allows to move the subchunk from the current list to another list
454        - POSIX: only assume -1 result value as error on open() calls
455        - POSIX: show operating system's error reason if opening a file failed
456        - Added support for custom progress notification while saving to RIFF file.
457        - Fixed embarrassing old bug: POSIX read() errors were never detected on
458          Chunk::Read() calls due to signment incompatible variable.
459        - Cleanup of an old DLL binary backward compatibility hack.
460    
461      * src/gigextract.cpp:
462        - export sample loop, unity note and fine tune with libsndfile
463    
464      * src/riftree.cpp:
465        - added more command line options for being able to also dump other kind
466          of file formats similar but not equal to the RIFF format
467    
468    Version 3.3.0 (30 Jul 2009)
469    
470      * general changes:
471        - fixed compilation with gcc 4.3
472        - fixes for building with Visual C++
473        - minor fix in configure for building DLL on Windows
474    
475      * src/gig.cpp, src/gig.h:
476        - added partial support for MIDI rules, only the Controller
477          Triggered rule is supported so far
478        - bugfix: removed another iterator invalidation in DeleteSample
479        - bugfix in Sample::LoadSampleData*(): reset sample read position to
480          sample start before trying to (re)load sample data from file (#82)
481        - bugfix: EG3 depth parameter was not saved correctly
482        - fixed crash which occured when streaming a gig sample with
483          bi-directional (a.k.a. 'pingpong') loop type (fixes #102)
484    
485      * src/RIFF.cpp, src/RIFF.h:
486        - bugfix: saving to the same file after the file size had been
487          increased made the file corrupt (#82)
488        - bugfix: refuse Chunk::Read() in case chunk has just been added, that
489          is not written physically yet (#82)
490        - bugfix: saving to the same file after the file size had been
491          decreased sometimes also made the file corrupt!
492        - bugfix: undefined behavior (e.g. endless loop) when opening zero
493          length files, now throws a RIFF::Exception instead (fixes bug #121)
494        - bugfix: destructor for base class RIFF::Chunk accessed members
495          of derived class RIFF::File, which is bad, and caused crashes
496          when using Visual C++
497        - bugfix: files that contain zero length RIFF lists were not read
498          correctly (fixes #127) (bug was introduced 2009-03-13)
499    
500    Version 3.2.1 (5 Dec 2007)
501    
502      * src/RIFF.cpp, src/RIFF.h:
503        - avoid Windows to perform unnecessary file stream caching which would
504          decrease disk streaming performance on Windows systems otherwise
505    
506      * src/gig.cpp, src/gig.h:
507        - added File::SetAutoLoad() and File::GetAutoLoad() for allowing
508          applications to retrieve very superficial informations like amount of
509          instruments and their names in a very fast way
510    
511    Version 3.2.0 (14 Oct 2007)
512    
513      * packaging changes:
514        - added Mac OSX XCode project files (patch by Toshi Nagata)
515        - Dev-C++ (win32) project file is automatically updated with
516          the version info from configure.in
517        - the configure script can now be used in Windows with MSYS
518        - added a mainpage for the Doxygen API documentation
519    
520      * src/DLS.cpp, src/DLS.h:
521        - added Sampler::AddSampleLoop() and Sampler::DeleteSampleLoop() methods
522        - fixed write support for big-endian systems
523        - improved handling of fixed length info strings - separate default
524          lengths can be specified for each INFO chunk
525        - added Resource::GenerateDLSID function
526        - write support fix: allow regions without mapped samples
527        - added method SetKeyRange() to the Region class which should be used
528          instead of setting the KeyRange member variable directly
529        - MoveRegion() method of Region class is now private
530        - added SetGain() method to Sampler class
531        - fixed crash when saving a file after a sample loop was added
532    
533      * src/gig.cpp, src/gig.h:
534        - fixed segmentation fault in the gig::File destructor sequence which
535          happened when gig::Group informations were accessed before
536        - fixed write support for big-endian systems
537        - defined lengths of a fixed set of info strings. These strings
538          are saved when the file is written, even if they are empty.
539        - added missing parameter initalizations in sample, region and
540          instrument constructors
541        - clear unused fields when saving samples and regions
542        - fixed write support bugs: v3 dimension limits and chunksize
543          weren't saved, leverage controller of type controlchange
544          couldn't be saved, group name list chunk was placed wrong,
545          dimension region chunks also placed wrong
546        - added initialization of some fixed info strings in file and
547          instrument
548        - write support: files created by libgig will now have the RIFF
549          chunks in correct order
550        - write support: two previously unknown fields in dimension
551          definition are now saved
552        - added constants for gig file versions
553        - write support: the 3crc and einf chunks are now created or
554          updated when a file is saved (3crc contains sample checksums,
555          einf contains file statistics)
556        - write support: DLSID is now generated on the file and the
557          instruments
558        - write support: improved the default values for dimension region
559          parameters
560        - more write support fixes: crossfade parameters were not saved,
561          v3 dimension limits were not correctly initialized and saved
562          when dimensions were added or deleted, v3 wave pool offsets were
563          not saved correctly
564        - write support: 24 bit samples can now be written
565        - write support: version 3 is now the default for new files
566        - more write support fixes: the 3ewg chunk is now bigger for v3,
567          dimension regions without mapped samples are now allowed, 3gnl
568          list in v3 files now always has 128 entries, several parameters
569          where incorrectly saved due to an operator precedence mistake
570        - DeleteSample now removes all references to the deleted sample
571        - AddDimension now copies all parameters from existing dimension
572          regions and also makes sure that the samplechannel dimension is
573          placed first in the list of dimensions.
574        - added method GetParent() to class 'DimensionRegion', which returns its
575          parent Region
576        - fixed Instrument::UpdateRegionKeyTable() method which did not reset
577          unused areas
578        - added various setter methods to DimensionRegion class which take care
579          of updating lookup tables / caches.
580    
581      * src/RIFF.cpp, src/RIFF.h:
582        - added File::SetByteOrder method
583        - Windows fix: saving a new file didn't work
584    
585      * src/gigdump.cpp:
586        - added some missing dimension strings
587    
588    Version 3.1.1 (24 Mar 2007)
589    
590      * packaging changes:
591        - ported to Windows using native Windows functions for file IO
592          (provided Dev-C++ + mingw project file)
593        - only export relevant files to Doxygen API documentation
594    
595      * src/gig.cpp, src/gig.h:
596        - custom velocity splits now works for gig v3 files too
597        - added support for custom splits points for other dimensions than
598          velocity (gig v3 feature)
599        - added "smart midi" and "round robin keyboard" dimensions
600        - added new method File::DeleteGroupOnly() which only deletes the given
601          group but moves all its members to another group, the other method,
602          that is File::DeleteGroup() now removes not just the group, but also
603          all the samples that belong to that group
604        - fixed crash which occured on interfering File::DeleteSample() and
605          File::GetNextSample() calls (due to iterator invalidation)
606        - fixed group names which were not saved
607        - fixed group destructor which did not remove the RIFF chunk associated
608          with the group
609        - added Instrument::MoveRegion method
610        - fixed constructor for Region, which did not initialize correctly
611          when used from Instrument::AddRegion
612        - when saving, override the gig::Regions sample reference simply by
613          the region's first dimension region's sample (avoids an exception
614          when trying to save a new instrument)
615        - fixed AddDimension() method which did not fill out all mandatory
616          dimension definition fields
617    
618      * src/DLS.cpp, src/DLS.h:
619        - added Instrument::MoveRegion method
620        - fixed software info field which was wrongly stored on instruments,
621          causing an exception when trying to save a new instrument
622    
623      * src/RIFF.cpp, src/RIFF.h:
624        - fixed RIFF::Chunk destructor which did not unregister previously
625          resized chunks, leading to a "zero size chunk" exception when
626          File::Save() was called
627        - added List::MoveSubChunk method
628    
629    Version 3.1.0 (24 Nov 2006)
630    
631      * packaging changes:
632        - changed deprecated copyright attribute to license;
633          added ldconfig to post-(un)install steps on libgig.spec (RPM)
634    
635      * src/gig.cpp, src/gig.h:
636        - added support for more than one set of custom velocity splits
637          inside a region (for example different velocity split levels for
638          pedal up and pedal down)
639        - sample loop parameters are now taken from the DimensionRegion
640          instead of the wave chunk
641        - keyswitching dimension is changed from split type "normal" to
642          "bit"
643        - real support for 24 bit samples - samples are not truncated to
644          16 bits anymore
645        - support for reading of ".art" files. (Merging of .art and .gig
646          files are not implemented yet.)
647        - several fixes for the write support
648        - support for sample groups added
649    
650      * src/DLS.cpp, src/DLS.h:
651        - support for reading of ".art" files
652        - removed incorrect use of memccpy in the write support (patch by
653          Jeremy Kerr)
654        - several fixes for the write support
655    
656      * src/gigextract.cpp:
657        - real support for 24 bit samples
658    
659      * src/gigdump.cpp:
660        - print global file informations
661        - print sample groups
662    
663      * general changes:
664        - added CPPUnit test cases (at the moment primarily for automatic check
665          of Gigasampler write support)
666    
667    Version 3.0.0 (28 Apr 2006)
668    
669      * general changes:
670        - added write support (that is for creating and modifying RIFF, DLS and
671          gig files)
672        - loading DLS and gig files is now much more permissive, DLS and gig
673          files are now loaded even if mandatory RIFF chunks are missing
674        - fixed some memory management errors, one of them was causing a
675          crash when a multi-file gig was deallocated
676    
677      * src/gig.cpp, src/gig.h:
678        - fixed the GetVelocityCutoff function, it wasn't always using the
679          VCFVelocityScale parameter when no cutoff controller was defined
680        - support for the gig v3 feature to have a number of dimension
681          splits not equal to a power of two
682        - added write support (highly experimental)
683    
684      * src/DLS.cpp, src/DLS.h:
685        - fixed loading of Articulation Connections (<artl> list chunks were
686          seeked instead of ordinary <artl> data chunks)
687        - added write support (highly experimental)
688    
689      * src/RIFF.cpp, src/RIFF.h:
690        - added write support
691        - Chunk::LoadChunkData() can now be called again to resize the buffer
692          after a Chunk::Resize() and before the File::Save() call to allow
693          placing the new data in the chunk's write buffer and perform the
694          resize and write operations in one rush
695    
696      * src/gigdump.cpp:
697        - fixed to show the correct amount of dimension regions instead of 32
698          (patch by James Wylder)
699    
700      * src/dlsdump.cpp:
701        - show for every region the name of the referenced sample
702        - show file name in quotation marks
703    
704    Version 2.0.2 (15 Aug 2005)
705    
706      * packaging changes:
707        - require automake (>= 1.5) for 'make -f Makefile.cvs'
708          (mandatory for 'dist-bzip2' automake option)
709    
710      * src/gig.cpp, src/gig.h:
711        - support for gig v3 multi-file format (.gig, .gx01, .gx02, ...),
712          the extension files are read automatically when the samples are
713          loaded
714        - fixed the 24 bit decompression, the result should now be exact
715          instead of an approximation
716        - added VCFCutoffControllerInvert parameter and GetVelocityCutoff
717          function to DimensionRegion
718    
719      * src/DLS.cpp, src/DLS.h:
720        - the upper bits of the pool table indices are read (used as
721          extension file numbers for gig v3)
722    
723      * src/RIFF.cpp, src/RIFF.h:
724        - the file name is remembered in the RIFF::File object
725    
726    Version 2.0.1 (12 Jun 2005)
727    
728      * packaging changes:
729        - include debian/ directory on 'make dist'
730        - create a bzip2 tarball on 'make dist'
731    
732      * src/gigextract.cpp:
733        - show also version of libsndfile or build version of libaudiofile when
734          using the -v switch
735        - fixed mutual link dependency to libsndfile / libaudiofile
736    
737      * src/gig.cpp, src/gig.h:
738        - added DimensionRegion::GetVelocityRelease function
739    
740    Version 2.0.0 (9 May 2005)
741    
742      * packaging changes:
743        - fixed conditional linkage of either libsndfile or libaudiofile
744          (if none of the two exist, configure script will abort)
745        - man pages are now auto generated with the correct libgig version
746    
747      * src/gig.cpp, src/gig.h:
748        - experimental support for Gigasampler v3 format;
749          64 bit file offsets are truncated to 32 bit, 24 bit samples are
750          truncated to 16 bit, up to 8 dimensions are read, additional
751          articulation informations are ignored at the moment
752          (patch by Andreas Persson)
753        - added some file format compatibility checks
754        - fixed vcf_type_lowpassturbo value (vcf_type_lowpassturbo was actually
755          never used, because the necessary check was made before
756          initialization)
757        - fixed crossfade points order (structure for big endian and little
758          endian systems was interchanged)
759        - fixed some memory leaks (patch by 'Gene', a.k.a Anders Alm)
760        - fixed crash which occured when patches did not have a sample assigned
761          to their region or dimension region (patch by Andreas Persson)
762        - support for compressed mono samples
763        - experimental support for compressed 24 bit samples
764        - fixed decompression on big-endian CPUs
765        - fixed decompression bug that truncated the last block of samples
766        - external decompression buffers can now be used for streaming samples
767          to avoid race conditions in case of multiple streaming threads
768        - added pre-calculated sample attenuation parameter
769        - added v3 "random" and "round robin" dimensions
770        - implemented progress indicator callback mechanism for loading
771          instruments and samples
772        - added functions libraryName() and libraryVersion()
773    
774      * src/DLS.cpp, src/DLS.h:
775        - fixed File constructor which caused variable File::Instruments always
776          to be zero
777        - added functions libraryName() and libraryVersion()
778    
779      * src/RIFF.cpp, src/RIFF.h:
780        - fixed method List::LoadSubChunks() which did not restore the original
781          position within the body of the given list chunk
782        - added functions libraryName() and libraryVersion()
783    
784      * src/rifftree.cpp:
785        - added command line switch -v to show rifftree's revision and the used
786          libgig version
787    
788      * src/dlsdump.cpp:
789        - added command line switch -v to show dlsdump's revision and the used
790          libgig version
791    
792      * src/gigdump.cpp:
793        - added output of UnityNote, FineTune, Gain, SampleStartOffset an
794          LoopPlayCount
795        - added command line switch -v to show gigdump's revision and the used
796          libgig version
797    
798      * src/gigextract.cpp:
799        - support for compressed mono samples and compressed 24 bit samples
800        - added command line switch -v to show gigextract's revision and the
801          used libgig version
802    
803    Version 1.0.0 (26 Nov 2004)
804    
805    * packaging changes:    * packaging changes:
806      - 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
807        'libgig' -> 'gig' as it's common practice to omit the 'lib' prefix        'libgig' -> 'gig' as it's common practice to omit the 'lib' prefix
808        - fixed man pages automake install rule (which didn't work on Mandrake,
809          SuSE and Fedora)
810        - fixed generation of Doxygen API documentation (now also included in
811          RPM and Debian packages)
812    
813      * src/gig.cpp, src/gig.h:
814        - fixed / improved accuracy of all three velocity to volume
815          transformation functions a.k.a. 'nonlinear','linear','special'
816          (patch by Andreas Persson)
817        - denormals are filtered from the velocity to volume tables
818        - bugfix for dimension region switching (wrong handling of the release
819          trigger dimension, no bit range check for dimensions of split type
820          'split_type_bit')
821        - fixed panorama value in DimensionRegion (invalid conversion from
822          signed 7 bit to signed 8 bit)
823        - added class attribute 'Layers' to class 'gig::Region'
824        - symbol prototyping of gig::Region (fixes build failure with qsampler)
825    
826      * src/gigextract.cpp:
827        - added support for libsndfile (if libaudiofile and libsndfile are
828          available then libsndfile is preferred)
829    
830      * src/gigdump.cpp:
831        - added printout for dimension informations (amount, type, bits, zones)
832        - added printout for velocity response curve parameters
833        - added printout for crossfade definitions
834        - added printout for panorama value for each DimensionRegion
835        - replaced printout of DLS Region layer by printout of amount of
836          Gigasampler layers
837    
838  Version 0.7.1 (2 Jul 2004)  Version 0.7.1 (2 Jul 2004)
839    

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