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revision 315 by schoenebeck, Fri Nov 26 19:29:05 2004 UTC revision 3878 by schoenebeck, Sun May 9 10:37:39 2021 UTC
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1    Version 4.3.0 (9 May 2021)
2    
3      * general changes:
4        - Require at least a C++11 compliant compiler.
5        - Require some UUID generating function by underlying system.
6    
7      * src/gig.cpp, src/gig.h:
8        - GIG FORMAT EXTENSION: Added attributes DimensionRegion::LFO1WaveForm,
9          DimensionRegion::LFO2WaveForm and DimensionRegion::LFO3WaveForm, which
10          allow to define override LFOs' wave form (e.g. saw or square instead of
11          the default wave form which was always sine in the original
12          Gigasampler/GigaStudio software).
13        - GIG FORMAT EXTENSION: Added attributes DimensionRegion::LFO1Phase,
14          DimensionRegion::LFO2Phase and DimensionRegion::LFO3Phase, which allow to
15          move the start point horizontally of the LFOs' waves (0° ... 360°).
16        - GIG FORMAT EXTENSION: Added attribute DimensionRegion::LFO3FlipPhase
17          (the original Gigasampler/GigaStudio software only had that flip phase
18          option for LFO1 and LFO2).
19        - Added methods DimensionRegion::UsesAnyGigFormatExtension(),
20          Region::UsesAnyGigFormatExtension(),
21          Instrument::UsesAnyGigFormatExtension() and
22          File::UsesAnyGigFormatExtension() (however only as private methods yet,
23          see comments on methods why).
24        - GIG FORMAT EXTENSION: added LinuxSampler specific filter type
25          implementations to enum vcf_type_t: vcf_type_lowpass_1p,
26          vcf_type_lowpass_2p, vcf_type_lowpass_4p, vcf_type_lowpass_6p,
27          vcf_type_highpass_1p, vcf_type_highpass_2p, vcf_type_highpass_4p,
28          vcf_type_highpass_6p, vcf_type_bandpass_2p, vcf_type_bandreject_2p.
29        - Compatibility fix: GigaStudio always expects 128 '3gnm' RIFF chunks
30          (patch by Ivan Maguidhir).
31        - Compatibility fix: GigaStudio 3 expects '3dnm' and '3ddp' RIFF chunks
32          (original patch by Ivan Maguidhir).
33        - Region::DeleteDimensionZone() and Region::SplitDimensionZone(): Fixed
34          dimensions being in different order after deleting a dimension zone.
35        - Script: Generate a persistent UUID for each script.
36        - GIG FORMAT EXTENSION: Added support for script 'patch' variables and
37          accordingly added new methods to Instrument class:
38          IsScriptPatchVariableSet(), GetScriptPatchVariables(),
39          GetScriptPatchVariable(), SetScriptPatchVariable(),
40          UnsetScriptPatchVariable(); stored persistently as new 'SCPV' RIFF chunk
41          as child of our '3LS ' list chunk on Instrument level.
42        - Fixed undefined behaviour when modifying script slots on an instrument
43          that had been cloned and not been saved yet (e.g. unintended modification
44          of original instrument's script slots, and crash on Instrument destruction
45          due to double free of pScriptRefs).
46    
47      * src/Serialization.cpp, src/Serialization.h:
48        - Fixed broken Archive(RawData) constructor which always threw an
49          Exception.
50        - Added built-in support for C++ String objects (a.k.a. std::string
51          from the STL) and bumped Srx format version to 1.1 for that reason.
52        - Fixed assertion fault on some systems if a member variable defined was
53          serialized which was declared as size_t or ssize_t data type.
54        - Added new method Archive::operation() which allows applications to
55          distinguish between serialization vs. deserialization in their
56          serialize() method implementations.
57        - Added built-in support for C++ Array<> objects (a.k.a. std::vector from
58          the STL).
59        - Member offsets are now signed and for (newly added support of) member
60          variables on the heap -1 is always used as offset instead.
61        - Added built-in support for C++ Set<> objects (a.k.a. std::set from the
62          STL).
63        - DataType: Added optional 2nd custom type name.
64        - Added built-in support for C++ Map<> objects (a.k.a. std::map from the
65          STL).
66    
67      * src/helper.h:
68        - Fix compile error with GCC 9 due to ignored result value of vasprintf()
69          function call.
70    
71      * src/tools/gigdump.cpp:
72        - Print dimension region properties LFO1WaveForm, LFO2WaveForm,
73          LFO3WaveForm, LFO1Phase, LFO2Phase, LFO3Phase, LFO1FlipPhase,
74          LFO2FlipPhase and LFO3FlipPhase.
75    
76    Version 4.2.0 (25 Jul 2019)
77    
78      * general changes:
79        - Added MSVC build support (anonymous patch from mailing list).
80        - Introduced CMake build support (yet constrained for building with MSVC)
81          (anonymous patch from mailing list).
82        - Fix: Don't automatically delete RIFF chunks from DLS/gig classes'
83          destructors. Added new virtual method DeleteChunks() to those classes
84          for this which must be explicitly called instead to remove their RIFF
85          chunks.
86        - Fix: Many methods of DLS/gig classes assumed a RIFF chunk read position
87          of zero; which is unsafe per se.
88        - Added C++11 "override" keyword where appropriate.
89        - Fixed crash in RIFF, DLS and gig classes which occurred on certain
90          of their actions when not passing a progress_t callback structure.
91    
92      * src/gig.cpp, src/gig.h:
93        - Fixed Doxygen API comments for enum types (currently latest Doxygen
94          [v1.8.13] only supports C comments in macro arguments expansion, but
95          not C++ comments; see <FindDefineArgs> lexer rules in src/pre.l of
96          the Doxygen source code, which currently also filter out new line
97          \n chars).
98        - Added new method File::CountSamples().
99        - Added new method File::CountInstruments().
100        - Fixed gig v4 files falsely being handled as v2 format
101          (patch by Ivan Maguidhir).
102        - Added gig v4 version identifier (File::VERSION_4).
103        - GIG FORMAT EXTENSION: Added attribute
104          DimensionRegion::SustainReleaseTrigger which allows to define whether
105          a sustain pedal up event shall cause a release trigger sample to be
106          played (default: don't play release trigger sample by sustain pedal).
107        - GIG FORMAT EXTENSION: Added attribute
108          DimensionRegion::NoNoteOffReleaseTrigger which allows to disable the
109          regular behaviour of playing release trigger sample on MIDI note-off
110          events.
111        - Introduced support for writing extension files (.gx01, .gx02, ...)
112          (original patch by Ivan Maguidhir).
113        - Many gig classes derive now from DLS::Storage (see DLS changes below).
114        - Added File::GetRiffFile() method.
115    
116      * src/DLS.cpp, src/DLS.h:
117        - File: Fixed implicitly allocated RIFF::File object never been freed.
118        - Added new abstract interface base class DLS::Storage which is derived by
119          the respective classes for implementing (the old) UpdateChunks() and the
120          new DeleteChunks() method.
121        - Added File::GetRiffFile() method.
122    
123      * src/sf2.cpp, src/sf2.h:
124        - Added Sample::GetFile() method.
125        - Added File::GetRiffFile() method.
126    
127      * src/Serialization.cpp, src/Serialization.h:
128        - Hide pure internal declarations from header file to avoid numerous
129          compiler warnings when building and linking against the public API.
130        - Fixed comparision logic bug
131        - Fixed memory leak in DataType::customTypeName().
132    
133      * src/RIFF.cpp, src/RIFF.h:
134        - Fix: Calling File::SetMode() left an undefined file handle on Windows and
135          caused a resource leak
136        - Avoid compiler warning when building for 32 bit windows.
137        - Added new method progress_t::subdivide().
138        - Fix: API doc comment for Chunk::GetFilePos() was completely wrong.
139        - progress_t: Added a 2nd (overridden) progress_t::subdivide() method which
140          allows a more fine graded control into which portions the subtasks are
141          divided to.
142    
143      * src/tools/gigdump.cpp:
144        - Added command line option --instrument-names which causes only
145          instrument names and their index numbers to be printed.
146    
147    Version 4.1.0 (25 Nov 2017)
148      * general changes:
149        - removed 2 GB limitation when loading a gig or DLS file
150        - using now native integer size where appropriate
151        - fixed minor issues with man pages (patch by Debian maintainer)
152        - fixed various spelling mistakes (patch by Debian maintainer)
153        - Added new "Serialization" framework (and equally named namespace)
154          which allows to serialize and deserialize native C++ objects
155          in a portable, easy and flexible way.
156        - print compiler warning if no RTTI available
157        - Fixed potential crash in command line tools gig2stereo, korg2gig,
158          korgdump and sf2extract.
159        - Fixed CVE-2017-12950, CVE-2017-12952, CVE-2017-12953
160          (original patch by Paul Brossier, slightly modified).
161        - Debian: Fixed packaging error about invalid substitution variable
162          "Source-Version".
163        - Raised Debian compatibility level to Debian 9 "Stretch".
164    
165      * src/gig.cpp, src/gig.h:
166        - fixed bug in Script::SetGroup: the script chunk wasn't moved
167        - fixed compilation error with clang 3.4
168        - GIG FORMAT EXTENSION: added support for saving gig file larger than 4 GB
169          as one single monolithic gig file. In case .gig file is >= 2GB expect a
170          large monolithic file, otherwise if .gig file is < 2 GB check for
171          "extension" files (.gx01, .gx02, ...) instead.
172        - fixed Region::UpdateUpdateVelocityTable() which did not work correctly
173          if there were dimensions after the velocity dimension: it only created
174          valid velocity tables for cases of dimensions lower than the velocity
175          dimension.
176        - added new method Sample::VerifyWaveData() which allows to check whether
177          a sample had been damaged for some reason
178        - Fix: samples' CRC checksums were damaged on file structure changes.
179        - Fix: samples' CRC checksums were misordered when a Sample was deleted.
180        - Added new method Sample::GetWaveDataCRC32Checksum().
181        - Changed default value of EG2Release (filter release time) to 60s.
182        - Instruments' default pitch bend range is now +-2 semi tones.
183        - Fixed CRC checksums being wrong sometimes.
184        - Fix: method File::AddContentOf() did not clone script groups and scripts
185          of passed original file.
186        - Added support for serializing & deserializing DimensionRegion
187          objects (and crossfade_t and leverage_ctrl_t objects).
188        - Added enum reflection API functions for retrieving enum declaration type
189          information at runtime (enumCount(), enumKey(), enumKeys(), enumValue()).
190        - Exception class now has a variadic constructor which allows to add
191          textual format specifiers like with printf().
192        - On unknown leverage controller exception: show precise unknown leverage
193          controller number found.
194        - Ignore invalid leverage controller types and just show a warning on the
195          console instead of throwing an exception.
196        - Added new struct eg_opt_t and new class member variable
197          DimensionRegion::EG1Options and DimensionRegion::EG2Options as an
198          extension to the gig file format, which allows to override the default
199          behavior of the first two EGs' state machines.
200        - Fixed undefined behavior when loading a gig file with invalid
201          velocity curve parameters (fixes CVE-2017-12951).
202        - Fixed undefined behavior when loading a gig file with invalid wave
203          pool index number (fixes CVE-2017-12954).
204    
205      * src/DLS.cpp, src/DLS.h:
206        - Sample: wave pool offsets are now 64 bits (to allow support for files
207          larger than 4 GB).
208        - Exception class now has a variadic constructor which allows to add
209          textual format specifiers like with printf().
210    
211      * src/RIFF.cpp, src/RIFF.h:
212        - added support for RIFF files larger than 4 GB, by default the required
213          internal RIFF file offset size is automatically detected (that is RIFF
214          files < 4 GB automatically use 32 bit offsets while files >= 4 GB
215          automatically use 64 bit offsets), a particular offset size can be forced
216          with a new option added to the RIFF File constructor though
217        - when saving a modified, grown RIFF file, the temporary file size during
218          Save() operation will no longer be larger than the final grown file size
219        - Exception class now has a variadic constructor which allows to add
220          textual format specifiers like with printf().
221    
222      * src/Serialization.cpp, src/Serialization.h:
223        - Archive: Added method isModified().
224        - Archive: Added method setAutoValue().
225        - Archive: Added method setIntValue().
226        - Archive: Added method setRealValue().
227        - Archive: Added method setBoolValue().
228        - Archive: Added method setEnumValue().
229        - Archive: Added method valueAsString().
230        - Archive::rawData(): Automatically re-encode new raw data stream if
231          archive had been modified (i.e. by remove(), setAutoValue(), etc.).
232        - Object: Added method memberByUID().
233        - Object: remove() method is now protected.
234        - Archive: Added method removeMember().
235        - Archive: Added methods name() and setName().
236        - Archive: Added methods comment() and setComment().
237        - Archive: Added methods timeStampCreated(), timeStampModified(),
238          dateTimeCreated() and dateTimeModified().
239        - Archive: Added methods valueAsInt(), valueAsReal() and valueAsBool().
240        - DataType: Implemented demangling C++ type names (for methods
241          asLongDescr() and customTypeName(bool demangle=false)).
242        - Archive::setAutoValue(): Handle human readable boolean text
243          representations like "yes", "no", "true", "false" as expected.
244        - Exception class now has a variadic constructor which allows to add
245          textual format specifiers like with printf().
246        - DataType fix: Retain backward compatibility to older versions of native
247          C++ classes/structs.
248    
249      * src/Akai.cpp:
250        - Fixed compilation error with recent, more strict compilers.
251    
252      * src/tools/akaidump.cpp, src/tools/akaiextract.cpp:
253        - improved output of non-ascii characters in usage messages
254        - fixed printf format strings
255    
256      * src/tools/korg2gig.cpp:
257        - fixed c++11 narrowing warnings
258        - fixed fine tuning which was not translated at all
259    
260      * src/tools/gigdump.cpp:
261        - additionally print VelocityUpperLimit and DimensionUpperLimits of all
262          dimension regions
263        - additionally print RIFF chunk file offset and RIFF chunk size of sample
264          data
265        - added and implemented new parameter "--verify" which allows to check
266          the raw wave form data integrity of all samples
267        - added and implemented new parameter "--rebuild-checksums" which allows
268          to recalculate the CRC32 checksum of all samples' raw wave data and
269          rebuilding the gig file's global checksum table (i.e. in case the
270          file's checksum table was damaged)
271        - print samples' CRC32 checksums
272        - Print the new EG behavior options (eg_opt_t).
273    
274      * src/tools/gigextract.cpp:
275        - Fix: if sample name contains a path separator (slash or backslash) then
276          replace them by a minus sign to avoid file system issues.
277    
278      * src/tools/gig2stereo.cpp:
279        - Also merge mono sample pairs with non matching loop information if
280          argument --incompatible was given.
281    
282      * packaging changes:
283        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
284          auto detect whether it (sh/c)ould output its messages in color.
285    
286    Version 4.0.0 (14 Jul 2015)
287      * general changes:
288        - minor Makefile fix for parallel make
289        - Mac OS X: link with CoreFoundation (for the UUID function)
290        - removed gcc 4.7 warnings
291        - modernized configure script
292        - removed usage of deprecated Automake variable INCLUDES
293        - added new command line tool "gigmerge"
294        - added "const" keyword to several methods
295        - added new command line tool "gig2mono"
296        - added man page for "sf2dump"
297        - added new command line tool "korgdump" (and a man page for it)
298        - added new command line tool "korg2gig" (and a man page for it)
299        - moved source files of command line tools to new subdir src/tools
300        - libgig.so and libakai.so files are now installed under
301          $(prefix)/lib/libgig/ by default.
302        - Header files are now installed under $(prefix)/include/libgig/ by default.
303        - Fixed various packaging issues regarding installation directories
304          (fixes #218).
305        - added new command line tool "gig2stereo" (and a man page for it)
306        - unit tests: fixed wrong return value when test suite app exits
307          (patch by Ryan Schmidt)
308        - added new command line tool "sf2extract" (and a man page for it)
309    
310      * SoundFont file format:
311        - initial implementation
312        - changed region lookup API to avoid malloc in RT threads
313        - fixed GetEG1Sustain which didn't return correct value
314        - bugfix: GetPan always returned -1, 0 or 1
315    
316      * KORG file format:
317        - initial support for sample based instruments in KORG's file format
318          (.KMP and .KSF files)
319    
320      * AKAI file format:
321        - Added Linux/POSIX ported version of libakai. Note that libakai is released
322          under LGPL terms while libgig is released under GPL terms. To handle this
323          license difference appropriately the AKAI support part is built as
324          separate DLL (.so file).
325        - Fixed Mac OSX support so that the Akai lib files and tools compile without
326          any exotic third party libraries.
327        - Fixed various compilation errors for Windows.
328        - POSIX fix: open() requires third (mode) argument if used with O_CREAT
329          (fixes #219).
330    
331      * src/gig.cpp:
332        - bugfix: VCF velocity dynamic range and VCF velocity curve
333          weren't saved correctly
334        - implemented File::AddDuplicateInstrument()
335        - bugfix: negative EG3 depth values were not correctly parsed or
336          saved
337        - added write support for CtrlTrigger midi rule
338        - added read and write support for Legato and Alternator midi
339          rules
340        - bugfix: sample groups were sometimes created multiple times or with
341          wrong textual group name
342        - added new method File::AddContentOf() for merging .gig files
343        - GIG FORMAT EXTENSION: added additional MIDI controllers for leverage
344          controller types (only works with LinuxSampler & gigedit, will not
345          work with Gigasampler/GigaStudio)
346        - added new method File::GetGroup(String name) for getting group by name
347        - added new method Region::GetDimensionDefinition(dimension_t type)
348        - bugfix: don't alter region pointer in DimensionRegion::CopyAssign()
349        - added some more sanity checks in Region::AddDimension()
350        - added new method Region::DeleteDimensionZone(dimension_t, int)
351        - added new method Region::SplitDimensionZone(dimension_t, int)
352        - Fixed crash caused by Region::GetDimensionRegionByValue() that happened
353          with certain velocity split sounds under certain conditions (added bound
354          constraints to prevent that)
355        - GIG FORMAT EXTENSION: added support for real-time instrument scripts.
356        - added new method Region::GetDimensionRegionIndexByValue()
357        - added new method Script::GetGroup()
358        - added new method Region::SetDimensionType()
359        - Added support for custom progress notification while saving to gig file.
360        - Bugfix: Adding a new region in between two existing regions caused the
361          new one being dropped after save operation and the gig file being tainted
362          (chunks at wrong location in the RIFF tree).
363        - Added new method Instrument::MoveTo() which allows to rearrange the order
364          of instruments within the same gig file.
365    
366      * src/DLS.cpp, src/DLS.h:
367        - added new method File::GetFileName()
368        - fixed minor "memory leak on exception" bug found with cppcheck
369        - added new method File::GetExtensionFile(int index)
370        - added new method File::SetFileName() allowing to call File::Save()
371          later on without passing a file name
372        - added inline helper methods overlaps() for struct range_t
373        - Added support for custom progress notification while saving to DLS file.
374        - Bugfix: Adding a new region in between two existing regions caused the
375          new one being dropped after save operation and the gig file being tainted
376          (chunks at wrong location in the RIFF tree).
377    
378      * src/SF.cpp, src/SF.h:
379        - added new method Sample::ReadNoClear()
380    
381      * src/RIFF.cpp, src/RIFF.h:
382        - bugfix: avoid calling read() with count 0 when writing a file,
383          as this may hang on some systems
384        - fixed memory leak and memory handling errors when file loading
385          fails
386        - added new method Chunk::ReadString
387        - added new method File::SetFileName() allowing to call File::Save()
388          later on without passing a file name
389        - added new method File::IsNew()
390        - added support for loading RIFF-like files with a bit different layout
391          than "real" RIFF files (used for KORG format support)
392        - added new method Chunk::GetFile()
393        - added new method Chunk::GetLayout()
394        - added 2nd, alternative method for List::MoveSubChunk(), the old 1st one
395          allows to move a subchunk within the current List, whereas the new 2nd
396          one allows to move the subchunk from the current list to another list
397        - POSIX: only assume -1 result value as error on open() calls
398        - POSIX: show operating system's error reason if opening a file failed
399        - Added support for custom progress notification while saving to RIFF file.
400        - Fixed embarrassing old bug: POSIX read() errors were never detected on
401          Chunk::Read() calls due to signment incompatible variable.
402        - Cleanup of an old DLL binary backward compatibility hack.
403    
404      * src/gigextract.cpp:
405        - export sample loop, unity note and fine tune with libsndfile
406    
407      * src/riftree.cpp:
408        - added more command line options for being able to also dump other kind
409          of file formats similar but not equal to the RIFF format
410    
411    Version 3.3.0 (30 Jul 2009)
412    
413      * general changes:
414        - fixed compilation with gcc 4.3
415        - fixes for building with Visual C++
416        - minor fix in configure for building DLL on Windows
417    
418      * src/gig.cpp, src/gig.h:
419        - added partial support for MIDI rules, only the Controller
420          Triggered rule is supported so far
421        - bugfix: removed another iterator invalidation in DeleteSample
422        - bugfix in Sample::LoadSampleData*(): reset sample read position to
423          sample start before trying to (re)load sample data from file (#82)
424        - bugfix: EG3 depth parameter was not saved correctly
425        - fixed crash which occured when streaming a gig sample with
426          bi-directional (a.k.a. 'pingpong') loop type (fixes #102)
427    
428      * src/RIFF.cpp, src/RIFF.h:
429        - bugfix: saving to the same file after the file size had been
430          increased made the file corrupt (#82)
431        - bugfix: refuse Chunk::Read() in case chunk has just been added, that
432          is not written physically yet (#82)
433        - bugfix: saving to the same file after the file size had been
434          decreased sometimes also made the file corrupt!
435        - bugfix: undefined behavior (e.g. endless loop) when opening zero
436          length files, now throws a RIFF::Exception instead (fixes bug #121)
437        - bugfix: destructor for base class RIFF::Chunk accessed members
438          of derived class RIFF::File, which is bad, and caused crashes
439          when using Visual C++
440        - bugfix: files that contain zero length RIFF lists were not read
441          correctly (fixes #127) (bug was introduced 2009-03-13)
442    
443    Version 3.2.1 (5 Dec 2007)
444    
445      * src/RIFF.cpp, src/RIFF.h:
446        - avoid Windows to perform unnecessary file stream caching which would
447          decrease disk streaming performance on Windows systems otherwise
448    
449      * src/gig.cpp, src/gig.h:
450        - added File::SetAutoLoad() and File::GetAutoLoad() for allowing
451          applications to retrieve very superficial informations like amount of
452          instruments and their names in a very fast way
453    
454    Version 3.2.0 (14 Oct 2007)
455    
456      * packaging changes:
457        - added Mac OSX XCode project files (patch by Toshi Nagata)
458        - Dev-C++ (win32) project file is automatically updated with
459          the version info from configure.in
460        - the configure script can now be used in Windows with MSYS
461        - added a mainpage for the Doxygen API documentation
462    
463      * src/DLS.cpp, src/DLS.h:
464        - added Sampler::AddSampleLoop() and Sampler::DeleteSampleLoop() methods
465        - fixed write support for big-endian systems
466        - improved handling of fixed length info strings - separate default
467          lengths can be specified for each INFO chunk
468        - added Resource::GenerateDLSID function
469        - write support fix: allow regions without mapped samples
470        - added method SetKeyRange() to the Region class which should be used
471          instead of setting the KeyRange member variable directly
472        - MoveRegion() method of Region class is now private
473        - added SetGain() method to Sampler class
474        - fixed crash when saving a file after a sample loop was added
475    
476      * src/gig.cpp, src/gig.h:
477        - fixed segmentation fault in the gig::File destructor sequence which
478          happened when gig::Group informations were accessed before
479        - fixed write support for big-endian systems
480        - defined lengths of a fixed set of info strings. These strings
481          are saved when the file is written, even if they are empty.
482        - added missing parameter initalizations in sample, region and
483          instrument constructors
484        - clear unused fields when saving samples and regions
485        - fixed write support bugs: v3 dimension limits and chunksize
486          weren't saved, leverage controller of type controlchange
487          couldn't be saved, group name list chunk was placed wrong,
488          dimension region chunks also placed wrong
489        - added initialization of some fixed info strings in file and
490          instrument
491        - write support: files created by libgig will now have the RIFF
492          chunks in correct order
493        - write support: two previously unknown fields in dimension
494          definition are now saved
495        - added constants for gig file versions
496        - write support: the 3crc and einf chunks are now created or
497          updated when a file is saved (3crc contains sample checksums,
498          einf contains file statistics)
499        - write support: DLSID is now generated on the file and the
500          instruments
501        - write support: improved the default values for dimension region
502          parameters
503        - more write support fixes: crossfade parameters were not saved,
504          v3 dimension limits were not correctly initialized and saved
505          when dimensions were added or deleted, v3 wave pool offsets were
506          not saved correctly
507        - write support: 24 bit samples can now be written
508        - write support: version 3 is now the default for new files
509        - more write support fixes: the 3ewg chunk is now bigger for v3,
510          dimension regions without mapped samples are now allowed, 3gnl
511          list in v3 files now always has 128 entries, several parameters
512          where incorrectly saved due to an operator precedence mistake
513        - DeleteSample now removes all references to the deleted sample
514        - AddDimension now copies all parameters from existing dimension
515          regions and also makes sure that the samplechannel dimension is
516          placed first in the list of dimensions.
517        - added method GetParent() to class 'DimensionRegion', which returns its
518          parent Region
519        - fixed Instrument::UpdateRegionKeyTable() method which did not reset
520          unused areas
521        - added various setter methods to DimensionRegion class which take care
522          of updating lookup tables / caches.
523    
524      * src/RIFF.cpp, src/RIFF.h:
525        - added File::SetByteOrder method
526        - Windows fix: saving a new file didn't work
527    
528      * src/gigdump.cpp:
529        - added some missing dimension strings
530    
531    Version 3.1.1 (24 Mar 2007)
532    
533      * packaging changes:
534        - ported to Windows using native Windows functions for file IO
535          (provided Dev-C++ + mingw project file)
536        - only export relevant files to Doxygen API documentation
537    
538      * src/gig.cpp, src/gig.h:
539        - custom velocity splits now works for gig v3 files too
540        - added support for custom splits points for other dimensions than
541          velocity (gig v3 feature)
542        - added "smart midi" and "round robin keyboard" dimensions
543        - added new method File::DeleteGroupOnly() which only deletes the given
544          group but moves all its members to another group, the other method,
545          that is File::DeleteGroup() now removes not just the group, but also
546          all the samples that belong to that group
547        - fixed crash which occured on interfering File::DeleteSample() and
548          File::GetNextSample() calls (due to iterator invalidation)
549        - fixed group names which were not saved
550        - fixed group destructor which did not remove the RIFF chunk associated
551          with the group
552        - added Instrument::MoveRegion method
553        - fixed constructor for Region, which did not initialize correctly
554          when used from Instrument::AddRegion
555        - when saving, override the gig::Regions sample reference simply by
556          the region's first dimension region's sample (avoids an exception
557          when trying to save a new instrument)
558        - fixed AddDimension() method which did not fill out all mandatory
559          dimension definition fields
560    
561      * src/DLS.cpp, src/DLS.h:
562        - added Instrument::MoveRegion method
563        - fixed software info field which was wrongly stored on instruments,
564          causing an exception when trying to save a new instrument
565    
566      * src/RIFF.cpp, src/RIFF.h:
567        - fixed RIFF::Chunk destructor which did not unregister previously
568          resized chunks, leading to a "zero size chunk" exception when
569          File::Save() was called
570        - added List::MoveSubChunk method
571    
572    Version 3.1.0 (24 Nov 2006)
573    
574      * packaging changes:
575        - changed deprecated copyright attribute to license;
576          added ldconfig to post-(un)install steps on libgig.spec (RPM)
577    
578      * src/gig.cpp, src/gig.h:
579        - added support for more than one set of custom velocity splits
580          inside a region (for example different velocity split levels for
581          pedal up and pedal down)
582        - sample loop parameters are now taken from the DimensionRegion
583          instead of the wave chunk
584        - keyswitching dimension is changed from split type "normal" to
585          "bit"
586        - real support for 24 bit samples - samples are not truncated to
587          16 bits anymore
588        - support for reading of ".art" files. (Merging of .art and .gig
589          files are not implemented yet.)
590        - several fixes for the write support
591        - support for sample groups added
592    
593      * src/DLS.cpp, src/DLS.h:
594        - support for reading of ".art" files
595        - removed incorrect use of memccpy in the write support (patch by
596          Jeremy Kerr)
597        - several fixes for the write support
598    
599      * src/gigextract.cpp:
600        - real support for 24 bit samples
601    
602      * src/gigdump.cpp:
603        - print global file informations
604        - print sample groups
605    
606      * general changes:
607        - added CPPUnit test cases (at the moment primarily for automatic check
608          of Gigasampler write support)
609    
610    Version 3.0.0 (28 Apr 2006)
611    
612      * general changes:
613        - added write support (that is for creating and modifying RIFF, DLS and
614          gig files)
615        - loading DLS and gig files is now much more permissive, DLS and gig
616          files are now loaded even if mandatory RIFF chunks are missing
617        - fixed some memory management errors, one of them was causing a
618          crash when a multi-file gig was deallocated
619    
620      * src/gig.cpp, src/gig.h:
621        - fixed the GetVelocityCutoff function, it wasn't always using the
622          VCFVelocityScale parameter when no cutoff controller was defined
623        - support for the gig v3 feature to have a number of dimension
624          splits not equal to a power of two
625        - added write support (highly experimental)
626    
627      * src/DLS.cpp, src/DLS.h:
628        - fixed loading of Articulation Connections (<artl> list chunks were
629          seeked instead of ordinary <artl> data chunks)
630        - added write support (highly experimental)
631    
632      * src/RIFF.cpp, src/RIFF.h:
633        - added write support
634        - Chunk::LoadChunkData() can now be called again to resize the buffer
635          after a Chunk::Resize() and before the File::Save() call to allow
636          placing the new data in the chunk's write buffer and perform the
637          resize and write operations in one rush
638    
639      * src/gigdump.cpp:
640        - fixed to show the correct amount of dimension regions instead of 32
641          (patch by James Wylder)
642    
643      * src/dlsdump.cpp:
644        - show for every region the name of the referenced sample
645        - show file name in quotation marks
646    
647    Version 2.0.2 (15 Aug 2005)
648    
649      * packaging changes:
650        - require automake (>= 1.5) for 'make -f Makefile.cvs'
651          (mandatory for 'dist-bzip2' automake option)
652    
653      * src/gig.cpp, src/gig.h:
654        - support for gig v3 multi-file format (.gig, .gx01, .gx02, ...),
655          the extension files are read automatically when the samples are
656          loaded
657        - fixed the 24 bit decompression, the result should now be exact
658          instead of an approximation
659        - added VCFCutoffControllerInvert parameter and GetVelocityCutoff
660          function to DimensionRegion
661    
662      * src/DLS.cpp, src/DLS.h:
663        - the upper bits of the pool table indices are read (used as
664          extension file numbers for gig v3)
665    
666      * src/RIFF.cpp, src/RIFF.h:
667        - the file name is remembered in the RIFF::File object
668    
669    Version 2.0.1 (12 Jun 2005)
670    
671      * packaging changes:
672        - include debian/ directory on 'make dist'
673        - create a bzip2 tarball on 'make dist'
674    
675      * src/gigextract.cpp:
676        - show also version of libsndfile or build version of libaudiofile when
677          using the -v switch
678        - fixed mutual link dependency to libsndfile / libaudiofile
679    
680      * src/gig.cpp, src/gig.h:
681        - added DimensionRegion::GetVelocityRelease function
682    
683    Version 2.0.0 (9 May 2005)
684    
685      * packaging changes:
686        - fixed conditional linkage of either libsndfile or libaudiofile
687          (if none of the two exist, configure script will abort)
688        - man pages are now auto generated with the correct libgig version
689    
690      * src/gig.cpp, src/gig.h:
691        - experimental support for Gigasampler v3 format;
692          64 bit file offsets are truncated to 32 bit, 24 bit samples are
693          truncated to 16 bit, up to 8 dimensions are read, additional
694          articulation informations are ignored at the moment
695          (patch by Andreas Persson)
696        - added some file format compatibility checks
697        - fixed vcf_type_lowpassturbo value (vcf_type_lowpassturbo was actually
698          never used, because the necessary check was made before
699          initialization)
700        - fixed crossfade points order (structure for big endian and little
701          endian systems was interchanged)
702        - fixed some memory leaks (patch by 'Gene', a.k.a Anders Alm)
703        - fixed crash which occured when patches did not have a sample assigned
704          to their region or dimension region (patch by Andreas Persson)
705        - support for compressed mono samples
706        - experimental support for compressed 24 bit samples
707        - fixed decompression on big-endian CPUs
708        - fixed decompression bug that truncated the last block of samples
709        - external decompression buffers can now be used for streaming samples
710          to avoid race conditions in case of multiple streaming threads
711        - added pre-calculated sample attenuation parameter
712        - added v3 "random" and "round robin" dimensions
713        - implemented progress indicator callback mechanism for loading
714          instruments and samples
715        - added functions libraryName() and libraryVersion()
716    
717      * src/DLS.cpp, src/DLS.h:
718        - fixed File constructor which caused variable File::Instruments always
719          to be zero
720        - added functions libraryName() and libraryVersion()
721    
722      * src/RIFF.cpp, src/RIFF.h:
723        - fixed method List::LoadSubChunks() which did not restore the original
724          position within the body of the given list chunk
725        - added functions libraryName() and libraryVersion()
726    
727      * src/rifftree.cpp:
728        - added command line switch -v to show rifftree's revision and the used
729          libgig version
730    
731      * src/dlsdump.cpp:
732        - added command line switch -v to show dlsdump's revision and the used
733          libgig version
734    
735      * src/gigdump.cpp:
736        - added output of UnityNote, FineTune, Gain, SampleStartOffset an
737          LoopPlayCount
738        - added command line switch -v to show gigdump's revision and the used
739          libgig version
740    
741      * src/gigextract.cpp:
742        - support for compressed mono samples and compressed 24 bit samples
743        - added command line switch -v to show gigextract's revision and the
744          used libgig version
745    
746  Version 1.0.0 (26 Nov 2004)  Version 1.0.0 (26 Nov 2004)
747    
748    * packaging changes:    * packaging changes:

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