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revision 632 by schoenebeck, Sun Jun 12 13:06:57 2005 UTC revision 3933 by schoenebeck, Thu Jun 17 09:21:11 2021 UTC
# Line 1  Line 1 
1    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        - Added method Group::GetSample().
25        - Marked methods Group::GetFirstSample() and Group::GetNextSample() as
26          deprecated.
27    
28      * src/SF.cpp, src/SF.h:
29        - File::DeleteInstrument(): Fix clang sanatizer warning.
30    
31      * src/DLS.cpp, src/DLS.h:
32        - Use GetSubChunkAt() instead of GetFirstSubChunk() / GetNextSubChunk() in
33          entire DLS.cpp file.
34        - Use GetSubListAt() instead of GetFirstSubList() / GetNextSubList() in
35          entire DLS.cpp file.
36        - Added method Instrument::GetRegionAt().
37        - Marked methods Instrument::GetFirstRegion() and
38          Instrument::GetNextRegion() as deprecated.
39        - Use GetRegionAt() instead of GetFirstRegion() / GetNextRegion() in entire
40          DLS.cpp file.
41        - Added method File::GetSample().
42        - Marked methods File::GetFirstSample() and File::GetNextSample() as
43          deprecated.
44        - Use File::GetSample() instead of File::GetFirstSample() /
45          File::GetNextSample() in entire DLS.cpp file.
46    
47      * src/RIFF.cpp, src/RIFF.h:
48        - Chunk::LoadChunkData(): Fix clang sanatizer warning.
49        - List::LoadSubChunks(): Fix potential garbage data access if reading a
50          RIFF chunk ID failed.
51        - Added methods File::IsIOPerThread() and File::SetIOPerThread(bool); the
52          latter allows to automatically use a separate file I/O stream state for
53          each thread.
54        - Added method List::GetSubChunkAt().
55        - Added method List::GetSubListAt().
56        - Marked methods List::GetFirstSubChunk(), List::GetNextSubChunk(),
57          List::GetFirstSubList() and List::GetNextSubList() as deprecated.
58        - Use GetSubListAt() instead of GetFirstSubList() / GetNextSubList() in
59          entire RIFF.cpp file.
60    
61    Version 4.3.0 (9 May 2021)
62    
63      * general changes:
64        - Require at least a C++11 compliant compiler.
65        - Require some UUID generating function by underlying system.
66    
67      * src/gig.cpp, src/gig.h:
68        - GIG FORMAT EXTENSION: Added attributes DimensionRegion::LFO1WaveForm,
69          DimensionRegion::LFO2WaveForm and DimensionRegion::LFO3WaveForm, which
70          allow to define override LFOs' wave form (e.g. saw or square instead of
71          the default wave form which was always sine in the original
72          Gigasampler/GigaStudio software).
73        - GIG FORMAT EXTENSION: Added attributes DimensionRegion::LFO1Phase,
74          DimensionRegion::LFO2Phase and DimensionRegion::LFO3Phase, which allow to
75          move the start point horizontally of the LFOs' waves (0° ... 360°).
76        - GIG FORMAT EXTENSION: Added attribute DimensionRegion::LFO3FlipPhase
77          (the original Gigasampler/GigaStudio software only had that flip phase
78          option for LFO1 and LFO2).
79        - Added methods DimensionRegion::UsesAnyGigFormatExtension(),
80          Region::UsesAnyGigFormatExtension(),
81          Instrument::UsesAnyGigFormatExtension() and
82          File::UsesAnyGigFormatExtension() (however only as private methods yet,
83          see comments on methods why).
84        - GIG FORMAT EXTENSION: added LinuxSampler specific filter type
85          implementations to enum vcf_type_t: vcf_type_lowpass_1p,
86          vcf_type_lowpass_2p, vcf_type_lowpass_4p, vcf_type_lowpass_6p,
87          vcf_type_highpass_1p, vcf_type_highpass_2p, vcf_type_highpass_4p,
88          vcf_type_highpass_6p, vcf_type_bandpass_2p, vcf_type_bandreject_2p.
89        - Compatibility fix: GigaStudio always expects 128 '3gnm' RIFF chunks
90          (patch by Ivan Maguidhir).
91        - Compatibility fix: GigaStudio 3 expects '3dnm' and '3ddp' RIFF chunks
92          (original patch by Ivan Maguidhir).
93        - Region::DeleteDimensionZone() and Region::SplitDimensionZone(): Fixed
94          dimensions being in different order after deleting a dimension zone.
95        - Script: Generate a persistent UUID for each script.
96        - GIG FORMAT EXTENSION: Added support for script 'patch' variables and
97          accordingly added new methods to Instrument class:
98          IsScriptPatchVariableSet(), GetScriptPatchVariables(),
99          GetScriptPatchVariable(), SetScriptPatchVariable(),
100          UnsetScriptPatchVariable(); stored persistently as new 'SCPV' RIFF chunk
101          as child of our '3LS ' list chunk on Instrument level.
102        - Fixed undefined behaviour when modifying script slots on an instrument
103          that had been cloned and not been saved yet (e.g. unintended modification
104          of original instrument's script slots, and crash on Instrument destruction
105          due to double free of pScriptRefs).
106    
107      * src/Serialization.cpp, src/Serialization.h:
108        - Fixed broken Archive(RawData) constructor which always threw an
109          Exception.
110        - Added built-in support for C++ String objects (a.k.a. std::string
111          from the STL) and bumped Srx format version to 1.1 for that reason.
112        - Fixed assertion fault on some systems if a member variable defined was
113          serialized which was declared as size_t or ssize_t data type.
114        - Added new method Archive::operation() which allows applications to
115          distinguish between serialization vs. deserialization in their
116          serialize() method implementations.
117        - Added built-in support for C++ Array<> objects (a.k.a. std::vector from
118          the STL).
119        - Member offsets are now signed and for (newly added support of) member
120          variables on the heap -1 is always used as offset instead.
121        - Added built-in support for C++ Set<> objects (a.k.a. std::set from the
122          STL).
123        - DataType: Added optional 2nd custom type name.
124        - Added built-in support for C++ Map<> objects (a.k.a. std::map from the
125          STL).
126    
127      * src/helper.h:
128        - Fix compile error with GCC 9 due to ignored result value of vasprintf()
129          function call.
130    
131      * src/tools/gigdump.cpp:
132        - Print dimension region properties LFO1WaveForm, LFO2WaveForm,
133          LFO3WaveForm, LFO1Phase, LFO2Phase, LFO3Phase, LFO1FlipPhase,
134          LFO2FlipPhase and LFO3FlipPhase.
135    
136    Version 4.2.0 (25 Jul 2019)
137    
138      * general changes:
139        - Added MSVC build support (anonymous patch from mailing list).
140        - Introduced CMake build support (yet constrained for building with MSVC)
141          (anonymous patch from mailing list).
142        - Fix: Don't automatically delete RIFF chunks from DLS/gig classes'
143          destructors. Added new virtual method DeleteChunks() to those classes
144          for this which must be explicitly called instead to remove their RIFF
145          chunks.
146        - Fix: Many methods of DLS/gig classes assumed a RIFF chunk read position
147          of zero; which is unsafe per se.
148        - Added C++11 "override" keyword where appropriate.
149        - Fixed crash in RIFF, DLS and gig classes which occurred on certain
150          of their actions when not passing a progress_t callback structure.
151    
152      * src/gig.cpp, src/gig.h:
153        - Fixed Doxygen API comments for enum types (currently latest Doxygen
154          [v1.8.13] only supports C comments in macro arguments expansion, but
155          not C++ comments; see <FindDefineArgs> lexer rules in src/pre.l of
156          the Doxygen source code, which currently also filter out new line
157          \n chars).
158        - Added new method File::CountSamples().
159        - Added new method File::CountInstruments().
160        - Fixed gig v4 files falsely being handled as v2 format
161          (patch by Ivan Maguidhir).
162        - Added gig v4 version identifier (File::VERSION_4).
163        - GIG FORMAT EXTENSION: Added attribute
164          DimensionRegion::SustainReleaseTrigger which allows to define whether
165          a sustain pedal up event shall cause a release trigger sample to be
166          played (default: don't play release trigger sample by sustain pedal).
167        - GIG FORMAT EXTENSION: Added attribute
168          DimensionRegion::NoNoteOffReleaseTrigger which allows to disable the
169          regular behaviour of playing release trigger sample on MIDI note-off
170          events.
171        - Introduced support for writing extension files (.gx01, .gx02, ...)
172          (original patch by Ivan Maguidhir).
173        - Many gig classes derive now from DLS::Storage (see DLS changes below).
174        - Added File::GetRiffFile() method.
175    
176      * src/DLS.cpp, src/DLS.h:
177        - File: Fixed implicitly allocated RIFF::File object never been freed.
178        - Added new abstract interface base class DLS::Storage which is derived by
179          the respective classes for implementing (the old) UpdateChunks() and the
180          new DeleteChunks() method.
181        - Added File::GetRiffFile() method.
182    
183      * src/sf2.cpp, src/sf2.h:
184        - Added Sample::GetFile() method.
185        - Added File::GetRiffFile() method.
186    
187      * src/Serialization.cpp, src/Serialization.h:
188        - Hide pure internal declarations from header file to avoid numerous
189          compiler warnings when building and linking against the public API.
190        - Fixed comparision logic bug
191        - Fixed memory leak in DataType::customTypeName().
192    
193      * src/RIFF.cpp, src/RIFF.h:
194        - Fix: Calling File::SetMode() left an undefined file handle on Windows and
195          caused a resource leak
196        - Avoid compiler warning when building for 32 bit windows.
197        - Added new method progress_t::subdivide().
198        - Fix: API doc comment for Chunk::GetFilePos() was completely wrong.
199        - progress_t: Added a 2nd (overridden) progress_t::subdivide() method which
200          allows a more fine graded control into which portions the subtasks are
201          divided to.
202    
203      * src/tools/gigdump.cpp:
204        - Added command line option --instrument-names which causes only
205          instrument names and their index numbers to be printed.
206    
207    Version 4.1.0 (25 Nov 2017)
208      * general changes:
209        - removed 2 GB limitation when loading a gig or DLS file
210        - using now native integer size where appropriate
211        - fixed minor issues with man pages (patch by Debian maintainer)
212        - fixed various spelling mistakes (patch by Debian maintainer)
213        - Added new "Serialization" framework (and equally named namespace)
214          which allows to serialize and deserialize native C++ objects
215          in a portable, easy and flexible way.
216        - print compiler warning if no RTTI available
217        - Fixed potential crash in command line tools gig2stereo, korg2gig,
218          korgdump and sf2extract.
219        - Fixed CVE-2017-12950, CVE-2017-12952, CVE-2017-12953
220          (original patch by Paul Brossier, slightly modified).
221        - Debian: Fixed packaging error about invalid substitution variable
222          "Source-Version".
223        - Raised Debian compatibility level to Debian 9 "Stretch".
224    
225      * src/gig.cpp, src/gig.h:
226        - fixed bug in Script::SetGroup: the script chunk wasn't moved
227        - fixed compilation error with clang 3.4
228        - GIG FORMAT EXTENSION: added support for saving gig file larger than 4 GB
229          as one single monolithic gig file. In case .gig file is >= 2GB expect a
230          large monolithic file, otherwise if .gig file is < 2 GB check for
231          "extension" files (.gx01, .gx02, ...) instead.
232        - fixed Region::UpdateUpdateVelocityTable() which did not work correctly
233          if there were dimensions after the velocity dimension: it only created
234          valid velocity tables for cases of dimensions lower than the velocity
235          dimension.
236        - added new method Sample::VerifyWaveData() which allows to check whether
237          a sample had been damaged for some reason
238        - Fix: samples' CRC checksums were damaged on file structure changes.
239        - Fix: samples' CRC checksums were misordered when a Sample was deleted.
240        - Added new method Sample::GetWaveDataCRC32Checksum().
241        - Changed default value of EG2Release (filter release time) to 60s.
242        - Instruments' default pitch bend range is now +-2 semi tones.
243        - Fixed CRC checksums being wrong sometimes.
244        - Fix: method File::AddContentOf() did not clone script groups and scripts
245          of passed original file.
246        - Added support for serializing & deserializing DimensionRegion
247          objects (and crossfade_t and leverage_ctrl_t objects).
248        - Added enum reflection API functions for retrieving enum declaration type
249          information at runtime (enumCount(), enumKey(), enumKeys(), enumValue()).
250        - Exception class now has a variadic constructor which allows to add
251          textual format specifiers like with printf().
252        - On unknown leverage controller exception: show precise unknown leverage
253          controller number found.
254        - Ignore invalid leverage controller types and just show a warning on the
255          console instead of throwing an exception.
256        - Added new struct eg_opt_t and new class member variable
257          DimensionRegion::EG1Options and DimensionRegion::EG2Options as an
258          extension to the gig file format, which allows to override the default
259          behavior of the first two EGs' state machines.
260        - Fixed undefined behavior when loading a gig file with invalid
261          velocity curve parameters (fixes CVE-2017-12951).
262        - Fixed undefined behavior when loading a gig file with invalid wave
263          pool index number (fixes CVE-2017-12954).
264    
265      * src/DLS.cpp, src/DLS.h:
266        - Sample: wave pool offsets are now 64 bits (to allow support for files
267          larger than 4 GB).
268        - Exception class now has a variadic constructor which allows to add
269          textual format specifiers like with printf().
270    
271      * src/RIFF.cpp, src/RIFF.h:
272        - added support for RIFF files larger than 4 GB, by default the required
273          internal RIFF file offset size is automatically detected (that is RIFF
274          files < 4 GB automatically use 32 bit offsets while files >= 4 GB
275          automatically use 64 bit offsets), a particular offset size can be forced
276          with a new option added to the RIFF File constructor though
277        - when saving a modified, grown RIFF file, the temporary file size during
278          Save() operation will no longer be larger than the final grown file size
279        - Exception class now has a variadic constructor which allows to add
280          textual format specifiers like with printf().
281    
282      * src/Serialization.cpp, src/Serialization.h:
283        - Archive: Added method isModified().
284        - Archive: Added method setAutoValue().
285        - Archive: Added method setIntValue().
286        - Archive: Added method setRealValue().
287        - Archive: Added method setBoolValue().
288        - Archive: Added method setEnumValue().
289        - Archive: Added method valueAsString().
290        - Archive::rawData(): Automatically re-encode new raw data stream if
291          archive had been modified (i.e. by remove(), setAutoValue(), etc.).
292        - Object: Added method memberByUID().
293        - Object: remove() method is now protected.
294        - Archive: Added method removeMember().
295        - Archive: Added methods name() and setName().
296        - Archive: Added methods comment() and setComment().
297        - Archive: Added methods timeStampCreated(), timeStampModified(),
298          dateTimeCreated() and dateTimeModified().
299        - Archive: Added methods valueAsInt(), valueAsReal() and valueAsBool().
300        - DataType: Implemented demangling C++ type names (for methods
301          asLongDescr() and customTypeName(bool demangle=false)).
302        - Archive::setAutoValue(): Handle human readable boolean text
303          representations like "yes", "no", "true", "false" as expected.
304        - Exception class now has a variadic constructor which allows to add
305          textual format specifiers like with printf().
306        - DataType fix: Retain backward compatibility to older versions of native
307          C++ classes/structs.
308    
309      * src/Akai.cpp:
310        - Fixed compilation error with recent, more strict compilers.
311    
312      * src/tools/akaidump.cpp, src/tools/akaiextract.cpp:
313        - improved output of non-ascii characters in usage messages
314        - fixed printf format strings
315    
316      * src/tools/korg2gig.cpp:
317        - fixed c++11 narrowing warnings
318        - fixed fine tuning which was not translated at all
319    
320      * src/tools/gigdump.cpp:
321        - additionally print VelocityUpperLimit and DimensionUpperLimits of all
322          dimension regions
323        - additionally print RIFF chunk file offset and RIFF chunk size of sample
324          data
325        - added and implemented new parameter "--verify" which allows to check
326          the raw wave form data integrity of all samples
327        - added and implemented new parameter "--rebuild-checksums" which allows
328          to recalculate the CRC32 checksum of all samples' raw wave data and
329          rebuilding the gig file's global checksum table (i.e. in case the
330          file's checksum table was damaged)
331        - print samples' CRC32 checksums
332        - Print the new EG behavior options (eg_opt_t).
333    
334      * src/tools/gigextract.cpp:
335        - Fix: if sample name contains a path separator (slash or backslash) then
336          replace them by a minus sign to avoid file system issues.
337    
338      * src/tools/gig2stereo.cpp:
339        - Also merge mono sample pairs with non matching loop information if
340          argument --incompatible was given.
341    
342      * packaging changes:
343        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
344          auto detect whether it (sh/c)ould output its messages in color.
345    
346    Version 4.0.0 (14 Jul 2015)
347      * general changes:
348        - minor Makefile fix for parallel make
349        - Mac OS X: link with CoreFoundation (for the UUID function)
350        - removed gcc 4.7 warnings
351        - modernized configure script
352        - removed usage of deprecated Automake variable INCLUDES
353        - added new command line tool "gigmerge"
354        - added "const" keyword to several methods
355        - added new command line tool "gig2mono"
356        - added man page for "sf2dump"
357        - added new command line tool "korgdump" (and a man page for it)
358        - added new command line tool "korg2gig" (and a man page for it)
359        - moved source files of command line tools to new subdir src/tools
360        - libgig.so and libakai.so files are now installed under
361          $(prefix)/lib/libgig/ by default.
362        - Header files are now installed under $(prefix)/include/libgig/ by default.
363        - Fixed various packaging issues regarding installation directories
364          (fixes #218).
365        - added new command line tool "gig2stereo" (and a man page for it)
366        - unit tests: fixed wrong return value when test suite app exits
367          (patch by Ryan Schmidt)
368        - added new command line tool "sf2extract" (and a man page for it)
369    
370      * SoundFont file format:
371        - initial implementation
372        - changed region lookup API to avoid malloc in RT threads
373        - fixed GetEG1Sustain which didn't return correct value
374        - bugfix: GetPan always returned -1, 0 or 1
375    
376      * KORG file format:
377        - initial support for sample based instruments in KORG's file format
378          (.KMP and .KSF files)
379    
380      * AKAI file format:
381        - Added Linux/POSIX ported version of libakai. Note that libakai is released
382          under LGPL terms while libgig is released under GPL terms. To handle this
383          license difference appropriately the AKAI support part is built as
384          separate DLL (.so file).
385        - Fixed Mac OSX support so that the Akai lib files and tools compile without
386          any exotic third party libraries.
387        - Fixed various compilation errors for Windows.
388        - POSIX fix: open() requires third (mode) argument if used with O_CREAT
389          (fixes #219).
390    
391      * src/gig.cpp:
392        - bugfix: VCF velocity dynamic range and VCF velocity curve
393          weren't saved correctly
394        - implemented File::AddDuplicateInstrument()
395        - bugfix: negative EG3 depth values were not correctly parsed or
396          saved
397        - added write support for CtrlTrigger midi rule
398        - added read and write support for Legato and Alternator midi
399          rules
400        - bugfix: sample groups were sometimes created multiple times or with
401          wrong textual group name
402        - added new method File::AddContentOf() for merging .gig files
403        - GIG FORMAT EXTENSION: added additional MIDI controllers for leverage
404          controller types (only works with LinuxSampler & gigedit, will not
405          work with Gigasampler/GigaStudio)
406        - added new method File::GetGroup(String name) for getting group by name
407        - added new method Region::GetDimensionDefinition(dimension_t type)
408        - bugfix: don't alter region pointer in DimensionRegion::CopyAssign()
409        - added some more sanity checks in Region::AddDimension()
410        - added new method Region::DeleteDimensionZone(dimension_t, int)
411        - added new method Region::SplitDimensionZone(dimension_t, int)
412        - Fixed crash caused by Region::GetDimensionRegionByValue() that happened
413          with certain velocity split sounds under certain conditions (added bound
414          constraints to prevent that)
415        - GIG FORMAT EXTENSION: added support for real-time instrument scripts.
416        - added new method Region::GetDimensionRegionIndexByValue()
417        - added new method Script::GetGroup()
418        - added new method Region::SetDimensionType()
419        - Added support for custom progress notification while saving to gig file.
420        - Bugfix: Adding a new region in between two existing regions caused the
421          new one being dropped after save operation and the gig file being tainted
422          (chunks at wrong location in the RIFF tree).
423        - Added new method Instrument::MoveTo() which allows to rearrange the order
424          of instruments within the same gig file.
425    
426      * src/DLS.cpp, src/DLS.h:
427        - added new method File::GetFileName()
428        - fixed minor "memory leak on exception" bug found with cppcheck
429        - added new method File::GetExtensionFile(int index)
430        - added new method File::SetFileName() allowing to call File::Save()
431          later on without passing a file name
432        - added inline helper methods overlaps() for struct range_t
433        - Added support for custom progress notification while saving to DLS file.
434        - Bugfix: Adding a new region in between two existing regions caused the
435          new one being dropped after save operation and the gig file being tainted
436          (chunks at wrong location in the RIFF tree).
437    
438      * src/SF.cpp, src/SF.h:
439        - added new method Sample::ReadNoClear()
440    
441      * src/RIFF.cpp, src/RIFF.h:
442        - bugfix: avoid calling read() with count 0 when writing a file,
443          as this may hang on some systems
444        - fixed memory leak and memory handling errors when file loading
445          fails
446        - added new method Chunk::ReadString
447        - added new method File::SetFileName() allowing to call File::Save()
448          later on without passing a file name
449        - added new method File::IsNew()
450        - added support for loading RIFF-like files with a bit different layout
451          than "real" RIFF files (used for KORG format support)
452        - added new method Chunk::GetFile()
453        - added new method Chunk::GetLayout()
454        - added 2nd, alternative method for List::MoveSubChunk(), the old 1st one
455          allows to move a subchunk within the current List, whereas the new 2nd
456          one allows to move the subchunk from the current list to another list
457        - POSIX: only assume -1 result value as error on open() calls
458        - POSIX: show operating system's error reason if opening a file failed
459        - Added support for custom progress notification while saving to RIFF file.
460        - Fixed embarrassing old bug: POSIX read() errors were never detected on
461          Chunk::Read() calls due to signment incompatible variable.
462        - Cleanup of an old DLL binary backward compatibility hack.
463    
464      * src/gigextract.cpp:
465        - export sample loop, unity note and fine tune with libsndfile
466    
467      * src/riftree.cpp:
468        - added more command line options for being able to also dump other kind
469          of file formats similar but not equal to the RIFF format
470    
471    Version 3.3.0 (30 Jul 2009)
472    
473      * general changes:
474        - fixed compilation with gcc 4.3
475        - fixes for building with Visual C++
476        - minor fix in configure for building DLL on Windows
477    
478      * src/gig.cpp, src/gig.h:
479        - added partial support for MIDI rules, only the Controller
480          Triggered rule is supported so far
481        - bugfix: removed another iterator invalidation in DeleteSample
482        - bugfix in Sample::LoadSampleData*(): reset sample read position to
483          sample start before trying to (re)load sample data from file (#82)
484        - bugfix: EG3 depth parameter was not saved correctly
485        - fixed crash which occured when streaming a gig sample with
486          bi-directional (a.k.a. 'pingpong') loop type (fixes #102)
487    
488      * src/RIFF.cpp, src/RIFF.h:
489        - bugfix: saving to the same file after the file size had been
490          increased made the file corrupt (#82)
491        - bugfix: refuse Chunk::Read() in case chunk has just been added, that
492          is not written physically yet (#82)
493        - bugfix: saving to the same file after the file size had been
494          decreased sometimes also made the file corrupt!
495        - bugfix: undefined behavior (e.g. endless loop) when opening zero
496          length files, now throws a RIFF::Exception instead (fixes bug #121)
497        - bugfix: destructor for base class RIFF::Chunk accessed members
498          of derived class RIFF::File, which is bad, and caused crashes
499          when using Visual C++
500        - bugfix: files that contain zero length RIFF lists were not read
501          correctly (fixes #127) (bug was introduced 2009-03-13)
502    
503    Version 3.2.1 (5 Dec 2007)
504    
505      * src/RIFF.cpp, src/RIFF.h:
506        - avoid Windows to perform unnecessary file stream caching which would
507          decrease disk streaming performance on Windows systems otherwise
508    
509      * src/gig.cpp, src/gig.h:
510        - added File::SetAutoLoad() and File::GetAutoLoad() for allowing
511          applications to retrieve very superficial informations like amount of
512          instruments and their names in a very fast way
513    
514    Version 3.2.0 (14 Oct 2007)
515    
516      * packaging changes:
517        - added Mac OSX XCode project files (patch by Toshi Nagata)
518        - Dev-C++ (win32) project file is automatically updated with
519          the version info from configure.in
520        - the configure script can now be used in Windows with MSYS
521        - added a mainpage for the Doxygen API documentation
522    
523      * src/DLS.cpp, src/DLS.h:
524        - added Sampler::AddSampleLoop() and Sampler::DeleteSampleLoop() methods
525        - fixed write support for big-endian systems
526        - improved handling of fixed length info strings - separate default
527          lengths can be specified for each INFO chunk
528        - added Resource::GenerateDLSID function
529        - write support fix: allow regions without mapped samples
530        - added method SetKeyRange() to the Region class which should be used
531          instead of setting the KeyRange member variable directly
532        - MoveRegion() method of Region class is now private
533        - added SetGain() method to Sampler class
534        - fixed crash when saving a file after a sample loop was added
535    
536      * src/gig.cpp, src/gig.h:
537        - fixed segmentation fault in the gig::File destructor sequence which
538          happened when gig::Group informations were accessed before
539        - fixed write support for big-endian systems
540        - defined lengths of a fixed set of info strings. These strings
541          are saved when the file is written, even if they are empty.
542        - added missing parameter initalizations in sample, region and
543          instrument constructors
544        - clear unused fields when saving samples and regions
545        - fixed write support bugs: v3 dimension limits and chunksize
546          weren't saved, leverage controller of type controlchange
547          couldn't be saved, group name list chunk was placed wrong,
548          dimension region chunks also placed wrong
549        - added initialization of some fixed info strings in file and
550          instrument
551        - write support: files created by libgig will now have the RIFF
552          chunks in correct order
553        - write support: two previously unknown fields in dimension
554          definition are now saved
555        - added constants for gig file versions
556        - write support: the 3crc and einf chunks are now created or
557          updated when a file is saved (3crc contains sample checksums,
558          einf contains file statistics)
559        - write support: DLSID is now generated on the file and the
560          instruments
561        - write support: improved the default values for dimension region
562          parameters
563        - more write support fixes: crossfade parameters were not saved,
564          v3 dimension limits were not correctly initialized and saved
565          when dimensions were added or deleted, v3 wave pool offsets were
566          not saved correctly
567        - write support: 24 bit samples can now be written
568        - write support: version 3 is now the default for new files
569        - more write support fixes: the 3ewg chunk is now bigger for v3,
570          dimension regions without mapped samples are now allowed, 3gnl
571          list in v3 files now always has 128 entries, several parameters
572          where incorrectly saved due to an operator precedence mistake
573        - DeleteSample now removes all references to the deleted sample
574        - AddDimension now copies all parameters from existing dimension
575          regions and also makes sure that the samplechannel dimension is
576          placed first in the list of dimensions.
577        - added method GetParent() to class 'DimensionRegion', which returns its
578          parent Region
579        - fixed Instrument::UpdateRegionKeyTable() method which did not reset
580          unused areas
581        - added various setter methods to DimensionRegion class which take care
582          of updating lookup tables / caches.
583    
584      * src/RIFF.cpp, src/RIFF.h:
585        - added File::SetByteOrder method
586        - Windows fix: saving a new file didn't work
587    
588      * src/gigdump.cpp:
589        - added some missing dimension strings
590    
591    Version 3.1.1 (24 Mar 2007)
592    
593      * packaging changes:
594        - ported to Windows using native Windows functions for file IO
595          (provided Dev-C++ + mingw project file)
596        - only export relevant files to Doxygen API documentation
597    
598      * src/gig.cpp, src/gig.h:
599        - custom velocity splits now works for gig v3 files too
600        - added support for custom splits points for other dimensions than
601          velocity (gig v3 feature)
602        - added "smart midi" and "round robin keyboard" dimensions
603        - added new method File::DeleteGroupOnly() which only deletes the given
604          group but moves all its members to another group, the other method,
605          that is File::DeleteGroup() now removes not just the group, but also
606          all the samples that belong to that group
607        - fixed crash which occured on interfering File::DeleteSample() and
608          File::GetNextSample() calls (due to iterator invalidation)
609        - fixed group names which were not saved
610        - fixed group destructor which did not remove the RIFF chunk associated
611          with the group
612        - added Instrument::MoveRegion method
613        - fixed constructor for Region, which did not initialize correctly
614          when used from Instrument::AddRegion
615        - when saving, override the gig::Regions sample reference simply by
616          the region's first dimension region's sample (avoids an exception
617          when trying to save a new instrument)
618        - fixed AddDimension() method which did not fill out all mandatory
619          dimension definition fields
620    
621      * src/DLS.cpp, src/DLS.h:
622        - added Instrument::MoveRegion method
623        - fixed software info field which was wrongly stored on instruments,
624          causing an exception when trying to save a new instrument
625    
626      * src/RIFF.cpp, src/RIFF.h:
627        - fixed RIFF::Chunk destructor which did not unregister previously
628          resized chunks, leading to a "zero size chunk" exception when
629          File::Save() was called
630        - added List::MoveSubChunk method
631    
632    Version 3.1.0 (24 Nov 2006)
633    
634      * packaging changes:
635        - changed deprecated copyright attribute to license;
636          added ldconfig to post-(un)install steps on libgig.spec (RPM)
637    
638      * src/gig.cpp, src/gig.h:
639        - added support for more than one set of custom velocity splits
640          inside a region (for example different velocity split levels for
641          pedal up and pedal down)
642        - sample loop parameters are now taken from the DimensionRegion
643          instead of the wave chunk
644        - keyswitching dimension is changed from split type "normal" to
645          "bit"
646        - real support for 24 bit samples - samples are not truncated to
647          16 bits anymore
648        - support for reading of ".art" files. (Merging of .art and .gig
649          files are not implemented yet.)
650        - several fixes for the write support
651        - support for sample groups added
652    
653      * src/DLS.cpp, src/DLS.h:
654        - support for reading of ".art" files
655        - removed incorrect use of memccpy in the write support (patch by
656          Jeremy Kerr)
657        - several fixes for the write support
658    
659      * src/gigextract.cpp:
660        - real support for 24 bit samples
661    
662      * src/gigdump.cpp:
663        - print global file informations
664        - print sample groups
665    
666      * general changes:
667        - added CPPUnit test cases (at the moment primarily for automatic check
668          of Gigasampler write support)
669    
670    Version 3.0.0 (28 Apr 2006)
671    
672      * general changes:
673        - added write support (that is for creating and modifying RIFF, DLS and
674          gig files)
675        - loading DLS and gig files is now much more permissive, DLS and gig
676          files are now loaded even if mandatory RIFF chunks are missing
677        - fixed some memory management errors, one of them was causing a
678          crash when a multi-file gig was deallocated
679    
680      * src/gig.cpp, src/gig.h:
681        - fixed the GetVelocityCutoff function, it wasn't always using the
682          VCFVelocityScale parameter when no cutoff controller was defined
683        - support for the gig v3 feature to have a number of dimension
684          splits not equal to a power of two
685        - added write support (highly experimental)
686    
687      * src/DLS.cpp, src/DLS.h:
688        - fixed loading of Articulation Connections (<artl> list chunks were
689          seeked instead of ordinary <artl> data chunks)
690        - added write support (highly experimental)
691    
692      * src/RIFF.cpp, src/RIFF.h:
693        - added write support
694        - Chunk::LoadChunkData() can now be called again to resize the buffer
695          after a Chunk::Resize() and before the File::Save() call to allow
696          placing the new data in the chunk's write buffer and perform the
697          resize and write operations in one rush
698    
699      * src/gigdump.cpp:
700        - fixed to show the correct amount of dimension regions instead of 32
701          (patch by James Wylder)
702    
703      * src/dlsdump.cpp:
704        - show for every region the name of the referenced sample
705        - show file name in quotation marks
706    
707    Version 2.0.2 (15 Aug 2005)
708    
709      * packaging changes:
710        - require automake (>= 1.5) for 'make -f Makefile.cvs'
711          (mandatory for 'dist-bzip2' automake option)
712    
713      * src/gig.cpp, src/gig.h:
714        - support for gig v3 multi-file format (.gig, .gx01, .gx02, ...),
715          the extension files are read automatically when the samples are
716          loaded
717        - fixed the 24 bit decompression, the result should now be exact
718          instead of an approximation
719        - added VCFCutoffControllerInvert parameter and GetVelocityCutoff
720          function to DimensionRegion
721    
722      * src/DLS.cpp, src/DLS.h:
723        - the upper bits of the pool table indices are read (used as
724          extension file numbers for gig v3)
725    
726      * src/RIFF.cpp, src/RIFF.h:
727        - the file name is remembered in the RIFF::File object
728    
729  Version 2.0.1 (12 Jun 2005)  Version 2.0.1 (12 Jun 2005)
730    
731      * packaging changes:
732        - include debian/ directory on 'make dist'
733        - create a bzip2 tarball on 'make dist'
734    
735    * src/gigextract.cpp:    * src/gigextract.cpp:
736      - show also version of libsndfile or build version of libaudiofile when      - show also version of libsndfile or build version of libaudiofile when
737        using the -v switch        using the -v switch

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