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revision 11 by schoenebeck, Sun Nov 16 17:47:00 2003 UTC revision 3902 by schoenebeck, Wed May 12 17:57:42 2021 UTC
# Line 1  Line 1 
1    Version SVN trunk (?)
2    
3      * src/SF.cpp, src/SF.h:
4        - File::DeleteInstrument(): Fix clang sanatizer warning.
5    
6      * src/RIFF.cpp, src/RIFF.h:
7        - Chunk::LoadChunkData(): Fix clang sanatizer warning.
8        - List::LoadSubChunks(): Fix potential garbage data access if reading a
9          RIFF chunk ID failed.
10    
11    Version 4.3.0 (9 May 2021)
12    
13      * general changes:
14        - Require at least a C++11 compliant compiler.
15        - Require some UUID generating function by underlying system.
16    
17      * src/gig.cpp, src/gig.h:
18        - GIG FORMAT EXTENSION: Added attributes DimensionRegion::LFO1WaveForm,
19          DimensionRegion::LFO2WaveForm and DimensionRegion::LFO3WaveForm, which
20          allow to define override LFOs' wave form (e.g. saw or square instead of
21          the default wave form which was always sine in the original
22          Gigasampler/GigaStudio software).
23        - GIG FORMAT EXTENSION: Added attributes DimensionRegion::LFO1Phase,
24          DimensionRegion::LFO2Phase and DimensionRegion::LFO3Phase, which allow to
25          move the start point horizontally of the LFOs' waves (0° ... 360°).
26        - GIG FORMAT EXTENSION: Added attribute DimensionRegion::LFO3FlipPhase
27          (the original Gigasampler/GigaStudio software only had that flip phase
28          option for LFO1 and LFO2).
29        - Added methods DimensionRegion::UsesAnyGigFormatExtension(),
30          Region::UsesAnyGigFormatExtension(),
31          Instrument::UsesAnyGigFormatExtension() and
32          File::UsesAnyGigFormatExtension() (however only as private methods yet,
33          see comments on methods why).
34        - GIG FORMAT EXTENSION: added LinuxSampler specific filter type
35          implementations to enum vcf_type_t: vcf_type_lowpass_1p,
36          vcf_type_lowpass_2p, vcf_type_lowpass_4p, vcf_type_lowpass_6p,
37          vcf_type_highpass_1p, vcf_type_highpass_2p, vcf_type_highpass_4p,
38          vcf_type_highpass_6p, vcf_type_bandpass_2p, vcf_type_bandreject_2p.
39        - Compatibility fix: GigaStudio always expects 128 '3gnm' RIFF chunks
40          (patch by Ivan Maguidhir).
41        - Compatibility fix: GigaStudio 3 expects '3dnm' and '3ddp' RIFF chunks
42          (original patch by Ivan Maguidhir).
43        - Region::DeleteDimensionZone() and Region::SplitDimensionZone(): Fixed
44          dimensions being in different order after deleting a dimension zone.
45        - Script: Generate a persistent UUID for each script.
46        - GIG FORMAT EXTENSION: Added support for script 'patch' variables and
47          accordingly added new methods to Instrument class:
48          IsScriptPatchVariableSet(), GetScriptPatchVariables(),
49          GetScriptPatchVariable(), SetScriptPatchVariable(),
50          UnsetScriptPatchVariable(); stored persistently as new 'SCPV' RIFF chunk
51          as child of our '3LS ' list chunk on Instrument level.
52        - Fixed undefined behaviour when modifying script slots on an instrument
53          that had been cloned and not been saved yet (e.g. unintended modification
54          of original instrument's script slots, and crash on Instrument destruction
55          due to double free of pScriptRefs).
56    
57      * src/Serialization.cpp, src/Serialization.h:
58        - Fixed broken Archive(RawData) constructor which always threw an
59          Exception.
60        - Added built-in support for C++ String objects (a.k.a. std::string
61          from the STL) and bumped Srx format version to 1.1 for that reason.
62        - Fixed assertion fault on some systems if a member variable defined was
63          serialized which was declared as size_t or ssize_t data type.
64        - Added new method Archive::operation() which allows applications to
65          distinguish between serialization vs. deserialization in their
66          serialize() method implementations.
67        - Added built-in support for C++ Array<> objects (a.k.a. std::vector from
68          the STL).
69        - Member offsets are now signed and for (newly added support of) member
70          variables on the heap -1 is always used as offset instead.
71        - Added built-in support for C++ Set<> objects (a.k.a. std::set from the
72          STL).
73        - DataType: Added optional 2nd custom type name.
74        - Added built-in support for C++ Map<> objects (a.k.a. std::map from the
75          STL).
76    
77      * src/helper.h:
78        - Fix compile error with GCC 9 due to ignored result value of vasprintf()
79          function call.
80    
81      * src/tools/gigdump.cpp:
82        - Print dimension region properties LFO1WaveForm, LFO2WaveForm,
83          LFO3WaveForm, LFO1Phase, LFO2Phase, LFO3Phase, LFO1FlipPhase,
84          LFO2FlipPhase and LFO3FlipPhase.
85    
86    Version 4.2.0 (25 Jul 2019)
87    
88      * general changes:
89        - Added MSVC build support (anonymous patch from mailing list).
90        - Introduced CMake build support (yet constrained for building with MSVC)
91          (anonymous patch from mailing list).
92        - Fix: Don't automatically delete RIFF chunks from DLS/gig classes'
93          destructors. Added new virtual method DeleteChunks() to those classes
94          for this which must be explicitly called instead to remove their RIFF
95          chunks.
96        - Fix: Many methods of DLS/gig classes assumed a RIFF chunk read position
97          of zero; which is unsafe per se.
98        - Added C++11 "override" keyword where appropriate.
99        - Fixed crash in RIFF, DLS and gig classes which occurred on certain
100          of their actions when not passing a progress_t callback structure.
101    
102      * src/gig.cpp, src/gig.h:
103        - Fixed Doxygen API comments for enum types (currently latest Doxygen
104          [v1.8.13] only supports C comments in macro arguments expansion, but
105          not C++ comments; see <FindDefineArgs> lexer rules in src/pre.l of
106          the Doxygen source code, which currently also filter out new line
107          \n chars).
108        - Added new method File::CountSamples().
109        - Added new method File::CountInstruments().
110        - Fixed gig v4 files falsely being handled as v2 format
111          (patch by Ivan Maguidhir).
112        - Added gig v4 version identifier (File::VERSION_4).
113        - GIG FORMAT EXTENSION: Added attribute
114          DimensionRegion::SustainReleaseTrigger which allows to define whether
115          a sustain pedal up event shall cause a release trigger sample to be
116          played (default: don't play release trigger sample by sustain pedal).
117        - GIG FORMAT EXTENSION: Added attribute
118          DimensionRegion::NoNoteOffReleaseTrigger which allows to disable the
119          regular behaviour of playing release trigger sample on MIDI note-off
120          events.
121        - Introduced support for writing extension files (.gx01, .gx02, ...)
122          (original patch by Ivan Maguidhir).
123        - Many gig classes derive now from DLS::Storage (see DLS changes below).
124        - Added File::GetRiffFile() method.
125    
126      * src/DLS.cpp, src/DLS.h:
127        - File: Fixed implicitly allocated RIFF::File object never been freed.
128        - Added new abstract interface base class DLS::Storage which is derived by
129          the respective classes for implementing (the old) UpdateChunks() and the
130          new DeleteChunks() method.
131        - Added File::GetRiffFile() method.
132    
133      * src/sf2.cpp, src/sf2.h:
134        - Added Sample::GetFile() method.
135        - Added File::GetRiffFile() method.
136    
137      * src/Serialization.cpp, src/Serialization.h:
138        - Hide pure internal declarations from header file to avoid numerous
139          compiler warnings when building and linking against the public API.
140        - Fixed comparision logic bug
141        - Fixed memory leak in DataType::customTypeName().
142    
143      * src/RIFF.cpp, src/RIFF.h:
144        - Fix: Calling File::SetMode() left an undefined file handle on Windows and
145          caused a resource leak
146        - Avoid compiler warning when building for 32 bit windows.
147        - Added new method progress_t::subdivide().
148        - Fix: API doc comment for Chunk::GetFilePos() was completely wrong.
149        - progress_t: Added a 2nd (overridden) progress_t::subdivide() method which
150          allows a more fine graded control into which portions the subtasks are
151          divided to.
152    
153      * src/tools/gigdump.cpp:
154        - Added command line option --instrument-names which causes only
155          instrument names and their index numbers to be printed.
156    
157    Version 4.1.0 (25 Nov 2017)
158      * general changes:
159        - removed 2 GB limitation when loading a gig or DLS file
160        - using now native integer size where appropriate
161        - fixed minor issues with man pages (patch by Debian maintainer)
162        - fixed various spelling mistakes (patch by Debian maintainer)
163        - Added new "Serialization" framework (and equally named namespace)
164          which allows to serialize and deserialize native C++ objects
165          in a portable, easy and flexible way.
166        - print compiler warning if no RTTI available
167        - Fixed potential crash in command line tools gig2stereo, korg2gig,
168          korgdump and sf2extract.
169        - Fixed CVE-2017-12950, CVE-2017-12952, CVE-2017-12953
170          (original patch by Paul Brossier, slightly modified).
171        - Debian: Fixed packaging error about invalid substitution variable
172          "Source-Version".
173        - Raised Debian compatibility level to Debian 9 "Stretch".
174    
175      * src/gig.cpp, src/gig.h:
176        - fixed bug in Script::SetGroup: the script chunk wasn't moved
177        - fixed compilation error with clang 3.4
178        - GIG FORMAT EXTENSION: added support for saving gig file larger than 4 GB
179          as one single monolithic gig file. In case .gig file is >= 2GB expect a
180          large monolithic file, otherwise if .gig file is < 2 GB check for
181          "extension" files (.gx01, .gx02, ...) instead.
182        - fixed Region::UpdateUpdateVelocityTable() which did not work correctly
183          if there were dimensions after the velocity dimension: it only created
184          valid velocity tables for cases of dimensions lower than the velocity
185          dimension.
186        - added new method Sample::VerifyWaveData() which allows to check whether
187          a sample had been damaged for some reason
188        - Fix: samples' CRC checksums were damaged on file structure changes.
189        - Fix: samples' CRC checksums were misordered when a Sample was deleted.
190        - Added new method Sample::GetWaveDataCRC32Checksum().
191        - Changed default value of EG2Release (filter release time) to 60s.
192        - Instruments' default pitch bend range is now +-2 semi tones.
193        - Fixed CRC checksums being wrong sometimes.
194        - Fix: method File::AddContentOf() did not clone script groups and scripts
195          of passed original file.
196        - Added support for serializing & deserializing DimensionRegion
197          objects (and crossfade_t and leverage_ctrl_t objects).
198        - Added enum reflection API functions for retrieving enum declaration type
199          information at runtime (enumCount(), enumKey(), enumKeys(), enumValue()).
200        - Exception class now has a variadic constructor which allows to add
201          textual format specifiers like with printf().
202        - On unknown leverage controller exception: show precise unknown leverage
203          controller number found.
204        - Ignore invalid leverage controller types and just show a warning on the
205          console instead of throwing an exception.
206        - Added new struct eg_opt_t and new class member variable
207          DimensionRegion::EG1Options and DimensionRegion::EG2Options as an
208          extension to the gig file format, which allows to override the default
209          behavior of the first two EGs' state machines.
210        - Fixed undefined behavior when loading a gig file with invalid
211          velocity curve parameters (fixes CVE-2017-12951).
212        - Fixed undefined behavior when loading a gig file with invalid wave
213          pool index number (fixes CVE-2017-12954).
214    
215      * src/DLS.cpp, src/DLS.h:
216        - Sample: wave pool offsets are now 64 bits (to allow support for files
217          larger than 4 GB).
218        - Exception class now has a variadic constructor which allows to add
219          textual format specifiers like with printf().
220    
221      * src/RIFF.cpp, src/RIFF.h:
222        - added support for RIFF files larger than 4 GB, by default the required
223          internal RIFF file offset size is automatically detected (that is RIFF
224          files < 4 GB automatically use 32 bit offsets while files >= 4 GB
225          automatically use 64 bit offsets), a particular offset size can be forced
226          with a new option added to the RIFF File constructor though
227        - when saving a modified, grown RIFF file, the temporary file size during
228          Save() operation will no longer be larger than the final grown file size
229        - Exception class now has a variadic constructor which allows to add
230          textual format specifiers like with printf().
231    
232      * src/Serialization.cpp, src/Serialization.h:
233        - Archive: Added method isModified().
234        - Archive: Added method setAutoValue().
235        - Archive: Added method setIntValue().
236        - Archive: Added method setRealValue().
237        - Archive: Added method setBoolValue().
238        - Archive: Added method setEnumValue().
239        - Archive: Added method valueAsString().
240        - Archive::rawData(): Automatically re-encode new raw data stream if
241          archive had been modified (i.e. by remove(), setAutoValue(), etc.).
242        - Object: Added method memberByUID().
243        - Object: remove() method is now protected.
244        - Archive: Added method removeMember().
245        - Archive: Added methods name() and setName().
246        - Archive: Added methods comment() and setComment().
247        - Archive: Added methods timeStampCreated(), timeStampModified(),
248          dateTimeCreated() and dateTimeModified().
249        - Archive: Added methods valueAsInt(), valueAsReal() and valueAsBool().
250        - DataType: Implemented demangling C++ type names (for methods
251          asLongDescr() and customTypeName(bool demangle=false)).
252        - Archive::setAutoValue(): Handle human readable boolean text
253          representations like "yes", "no", "true", "false" as expected.
254        - Exception class now has a variadic constructor which allows to add
255          textual format specifiers like with printf().
256        - DataType fix: Retain backward compatibility to older versions of native
257          C++ classes/structs.
258    
259      * src/Akai.cpp:
260        - Fixed compilation error with recent, more strict compilers.
261    
262      * src/tools/akaidump.cpp, src/tools/akaiextract.cpp:
263        - improved output of non-ascii characters in usage messages
264        - fixed printf format strings
265    
266      * src/tools/korg2gig.cpp:
267        - fixed c++11 narrowing warnings
268        - fixed fine tuning which was not translated at all
269    
270      * src/tools/gigdump.cpp:
271        - additionally print VelocityUpperLimit and DimensionUpperLimits of all
272          dimension regions
273        - additionally print RIFF chunk file offset and RIFF chunk size of sample
274          data
275        - added and implemented new parameter "--verify" which allows to check
276          the raw wave form data integrity of all samples
277        - added and implemented new parameter "--rebuild-checksums" which allows
278          to recalculate the CRC32 checksum of all samples' raw wave data and
279          rebuilding the gig file's global checksum table (i.e. in case the
280          file's checksum table was damaged)
281        - print samples' CRC32 checksums
282        - Print the new EG behavior options (eg_opt_t).
283    
284      * src/tools/gigextract.cpp:
285        - Fix: if sample name contains a path separator (slash or backslash) then
286          replace them by a minus sign to avoid file system issues.
287    
288      * src/tools/gig2stereo.cpp:
289        - Also merge mono sample pairs with non matching loop information if
290          argument --incompatible was given.
291    
292      * packaging changes:
293        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
294          auto detect whether it (sh/c)ould output its messages in color.
295    
296    Version 4.0.0 (14 Jul 2015)
297      * general changes:
298        - minor Makefile fix for parallel make
299        - Mac OS X: link with CoreFoundation (for the UUID function)
300        - removed gcc 4.7 warnings
301        - modernized configure script
302        - removed usage of deprecated Automake variable INCLUDES
303        - added new command line tool "gigmerge"
304        - added "const" keyword to several methods
305        - added new command line tool "gig2mono"
306        - added man page for "sf2dump"
307        - added new command line tool "korgdump" (and a man page for it)
308        - added new command line tool "korg2gig" (and a man page for it)
309        - moved source files of command line tools to new subdir src/tools
310        - libgig.so and libakai.so files are now installed under
311          $(prefix)/lib/libgig/ by default.
312        - Header files are now installed under $(prefix)/include/libgig/ by default.
313        - Fixed various packaging issues regarding installation directories
314          (fixes #218).
315        - added new command line tool "gig2stereo" (and a man page for it)
316        - unit tests: fixed wrong return value when test suite app exits
317          (patch by Ryan Schmidt)
318        - added new command line tool "sf2extract" (and a man page for it)
319    
320      * SoundFont file format:
321        - initial implementation
322        - changed region lookup API to avoid malloc in RT threads
323        - fixed GetEG1Sustain which didn't return correct value
324        - bugfix: GetPan always returned -1, 0 or 1
325    
326      * KORG file format:
327        - initial support for sample based instruments in KORG's file format
328          (.KMP and .KSF files)
329    
330      * AKAI file format:
331        - Added Linux/POSIX ported version of libakai. Note that libakai is released
332          under LGPL terms while libgig is released under GPL terms. To handle this
333          license difference appropriately the AKAI support part is built as
334          separate DLL (.so file).
335        - Fixed Mac OSX support so that the Akai lib files and tools compile without
336          any exotic third party libraries.
337        - Fixed various compilation errors for Windows.
338        - POSIX fix: open() requires third (mode) argument if used with O_CREAT
339          (fixes #219).
340    
341      * src/gig.cpp:
342        - bugfix: VCF velocity dynamic range and VCF velocity curve
343          weren't saved correctly
344        - implemented File::AddDuplicateInstrument()
345        - bugfix: negative EG3 depth values were not correctly parsed or
346          saved
347        - added write support for CtrlTrigger midi rule
348        - added read and write support for Legato and Alternator midi
349          rules
350        - bugfix: sample groups were sometimes created multiple times or with
351          wrong textual group name
352        - added new method File::AddContentOf() for merging .gig files
353        - GIG FORMAT EXTENSION: added additional MIDI controllers for leverage
354          controller types (only works with LinuxSampler & gigedit, will not
355          work with Gigasampler/GigaStudio)
356        - added new method File::GetGroup(String name) for getting group by name
357        - added new method Region::GetDimensionDefinition(dimension_t type)
358        - bugfix: don't alter region pointer in DimensionRegion::CopyAssign()
359        - added some more sanity checks in Region::AddDimension()
360        - added new method Region::DeleteDimensionZone(dimension_t, int)
361        - added new method Region::SplitDimensionZone(dimension_t, int)
362        - Fixed crash caused by Region::GetDimensionRegionByValue() that happened
363          with certain velocity split sounds under certain conditions (added bound
364          constraints to prevent that)
365        - GIG FORMAT EXTENSION: added support for real-time instrument scripts.
366        - added new method Region::GetDimensionRegionIndexByValue()
367        - added new method Script::GetGroup()
368        - added new method Region::SetDimensionType()
369        - Added support for custom progress notification while saving to gig file.
370        - Bugfix: Adding a new region in between two existing regions caused the
371          new one being dropped after save operation and the gig file being tainted
372          (chunks at wrong location in the RIFF tree).
373        - Added new method Instrument::MoveTo() which allows to rearrange the order
374          of instruments within the same gig file.
375    
376      * src/DLS.cpp, src/DLS.h:
377        - added new method File::GetFileName()
378        - fixed minor "memory leak on exception" bug found with cppcheck
379        - added new method File::GetExtensionFile(int index)
380        - added new method File::SetFileName() allowing to call File::Save()
381          later on without passing a file name
382        - added inline helper methods overlaps() for struct range_t
383        - Added support for custom progress notification while saving to DLS file.
384        - Bugfix: Adding a new region in between two existing regions caused the
385          new one being dropped after save operation and the gig file being tainted
386          (chunks at wrong location in the RIFF tree).
387    
388      * src/SF.cpp, src/SF.h:
389        - added new method Sample::ReadNoClear()
390    
391      * src/RIFF.cpp, src/RIFF.h:
392        - bugfix: avoid calling read() with count 0 when writing a file,
393          as this may hang on some systems
394        - fixed memory leak and memory handling errors when file loading
395          fails
396        - added new method Chunk::ReadString
397        - added new method File::SetFileName() allowing to call File::Save()
398          later on without passing a file name
399        - added new method File::IsNew()
400        - added support for loading RIFF-like files with a bit different layout
401          than "real" RIFF files (used for KORG format support)
402        - added new method Chunk::GetFile()
403        - added new method Chunk::GetLayout()
404        - added 2nd, alternative method for List::MoveSubChunk(), the old 1st one
405          allows to move a subchunk within the current List, whereas the new 2nd
406          one allows to move the subchunk from the current list to another list
407        - POSIX: only assume -1 result value as error on open() calls
408        - POSIX: show operating system's error reason if opening a file failed
409        - Added support for custom progress notification while saving to RIFF file.
410        - Fixed embarrassing old bug: POSIX read() errors were never detected on
411          Chunk::Read() calls due to signment incompatible variable.
412        - Cleanup of an old DLL binary backward compatibility hack.
413    
414      * src/gigextract.cpp:
415        - export sample loop, unity note and fine tune with libsndfile
416    
417      * src/riftree.cpp:
418        - added more command line options for being able to also dump other kind
419          of file formats similar but not equal to the RIFF format
420    
421    Version 3.3.0 (30 Jul 2009)
422    
423      * general changes:
424        - fixed compilation with gcc 4.3
425        - fixes for building with Visual C++
426        - minor fix in configure for building DLL on Windows
427    
428      * src/gig.cpp, src/gig.h:
429        - added partial support for MIDI rules, only the Controller
430          Triggered rule is supported so far
431        - bugfix: removed another iterator invalidation in DeleteSample
432        - bugfix in Sample::LoadSampleData*(): reset sample read position to
433          sample start before trying to (re)load sample data from file (#82)
434        - bugfix: EG3 depth parameter was not saved correctly
435        - fixed crash which occured when streaming a gig sample with
436          bi-directional (a.k.a. 'pingpong') loop type (fixes #102)
437    
438      * src/RIFF.cpp, src/RIFF.h:
439        - bugfix: saving to the same file after the file size had been
440          increased made the file corrupt (#82)
441        - bugfix: refuse Chunk::Read() in case chunk has just been added, that
442          is not written physically yet (#82)
443        - bugfix: saving to the same file after the file size had been
444          decreased sometimes also made the file corrupt!
445        - bugfix: undefined behavior (e.g. endless loop) when opening zero
446          length files, now throws a RIFF::Exception instead (fixes bug #121)
447        - bugfix: destructor for base class RIFF::Chunk accessed members
448          of derived class RIFF::File, which is bad, and caused crashes
449          when using Visual C++
450        - bugfix: files that contain zero length RIFF lists were not read
451          correctly (fixes #127) (bug was introduced 2009-03-13)
452    
453    Version 3.2.1 (5 Dec 2007)
454    
455      * src/RIFF.cpp, src/RIFF.h:
456        - avoid Windows to perform unnecessary file stream caching which would
457          decrease disk streaming performance on Windows systems otherwise
458    
459      * src/gig.cpp, src/gig.h:
460        - added File::SetAutoLoad() and File::GetAutoLoad() for allowing
461          applications to retrieve very superficial informations like amount of
462          instruments and their names in a very fast way
463    
464    Version 3.2.0 (14 Oct 2007)
465    
466      * packaging changes:
467        - added Mac OSX XCode project files (patch by Toshi Nagata)
468        - Dev-C++ (win32) project file is automatically updated with
469          the version info from configure.in
470        - the configure script can now be used in Windows with MSYS
471        - added a mainpage for the Doxygen API documentation
472    
473      * src/DLS.cpp, src/DLS.h:
474        - added Sampler::AddSampleLoop() and Sampler::DeleteSampleLoop() methods
475        - fixed write support for big-endian systems
476        - improved handling of fixed length info strings - separate default
477          lengths can be specified for each INFO chunk
478        - added Resource::GenerateDLSID function
479        - write support fix: allow regions without mapped samples
480        - added method SetKeyRange() to the Region class which should be used
481          instead of setting the KeyRange member variable directly
482        - MoveRegion() method of Region class is now private
483        - added SetGain() method to Sampler class
484        - fixed crash when saving a file after a sample loop was added
485    
486      * src/gig.cpp, src/gig.h:
487        - fixed segmentation fault in the gig::File destructor sequence which
488          happened when gig::Group informations were accessed before
489        - fixed write support for big-endian systems
490        - defined lengths of a fixed set of info strings. These strings
491          are saved when the file is written, even if they are empty.
492        - added missing parameter initalizations in sample, region and
493          instrument constructors
494        - clear unused fields when saving samples and regions
495        - fixed write support bugs: v3 dimension limits and chunksize
496          weren't saved, leverage controller of type controlchange
497          couldn't be saved, group name list chunk was placed wrong,
498          dimension region chunks also placed wrong
499        - added initialization of some fixed info strings in file and
500          instrument
501        - write support: files created by libgig will now have the RIFF
502          chunks in correct order
503        - write support: two previously unknown fields in dimension
504          definition are now saved
505        - added constants for gig file versions
506        - write support: the 3crc and einf chunks are now created or
507          updated when a file is saved (3crc contains sample checksums,
508          einf contains file statistics)
509        - write support: DLSID is now generated on the file and the
510          instruments
511        - write support: improved the default values for dimension region
512          parameters
513        - more write support fixes: crossfade parameters were not saved,
514          v3 dimension limits were not correctly initialized and saved
515          when dimensions were added or deleted, v3 wave pool offsets were
516          not saved correctly
517        - write support: 24 bit samples can now be written
518        - write support: version 3 is now the default for new files
519        - more write support fixes: the 3ewg chunk is now bigger for v3,
520          dimension regions without mapped samples are now allowed, 3gnl
521          list in v3 files now always has 128 entries, several parameters
522          where incorrectly saved due to an operator precedence mistake
523        - DeleteSample now removes all references to the deleted sample
524        - AddDimension now copies all parameters from existing dimension
525          regions and also makes sure that the samplechannel dimension is
526          placed first in the list of dimensions.
527        - added method GetParent() to class 'DimensionRegion', which returns its
528          parent Region
529        - fixed Instrument::UpdateRegionKeyTable() method which did not reset
530          unused areas
531        - added various setter methods to DimensionRegion class which take care
532          of updating lookup tables / caches.
533    
534      * src/RIFF.cpp, src/RIFF.h:
535        - added File::SetByteOrder method
536        - Windows fix: saving a new file didn't work
537    
538      * src/gigdump.cpp:
539        - added some missing dimension strings
540    
541    Version 3.1.1 (24 Mar 2007)
542    
543      * packaging changes:
544        - ported to Windows using native Windows functions for file IO
545          (provided Dev-C++ + mingw project file)
546        - only export relevant files to Doxygen API documentation
547    
548      * src/gig.cpp, src/gig.h:
549        - custom velocity splits now works for gig v3 files too
550        - added support for custom splits points for other dimensions than
551          velocity (gig v3 feature)
552        - added "smart midi" and "round robin keyboard" dimensions
553        - added new method File::DeleteGroupOnly() which only deletes the given
554          group but moves all its members to another group, the other method,
555          that is File::DeleteGroup() now removes not just the group, but also
556          all the samples that belong to that group
557        - fixed crash which occured on interfering File::DeleteSample() and
558          File::GetNextSample() calls (due to iterator invalidation)
559        - fixed group names which were not saved
560        - fixed group destructor which did not remove the RIFF chunk associated
561          with the group
562        - added Instrument::MoveRegion method
563        - fixed constructor for Region, which did not initialize correctly
564          when used from Instrument::AddRegion
565        - when saving, override the gig::Regions sample reference simply by
566          the region's first dimension region's sample (avoids an exception
567          when trying to save a new instrument)
568        - fixed AddDimension() method which did not fill out all mandatory
569          dimension definition fields
570    
571      * src/DLS.cpp, src/DLS.h:
572        - added Instrument::MoveRegion method
573        - fixed software info field which was wrongly stored on instruments,
574          causing an exception when trying to save a new instrument
575    
576      * src/RIFF.cpp, src/RIFF.h:
577        - fixed RIFF::Chunk destructor which did not unregister previously
578          resized chunks, leading to a "zero size chunk" exception when
579          File::Save() was called
580        - added List::MoveSubChunk method
581    
582    Version 3.1.0 (24 Nov 2006)
583    
584      * packaging changes:
585        - changed deprecated copyright attribute to license;
586          added ldconfig to post-(un)install steps on libgig.spec (RPM)
587    
588      * src/gig.cpp, src/gig.h:
589        - added support for more than one set of custom velocity splits
590          inside a region (for example different velocity split levels for
591          pedal up and pedal down)
592        - sample loop parameters are now taken from the DimensionRegion
593          instead of the wave chunk
594        - keyswitching dimension is changed from split type "normal" to
595          "bit"
596        - real support for 24 bit samples - samples are not truncated to
597          16 bits anymore
598        - support for reading of ".art" files. (Merging of .art and .gig
599          files are not implemented yet.)
600        - several fixes for the write support
601        - support for sample groups added
602    
603      * src/DLS.cpp, src/DLS.h:
604        - support for reading of ".art" files
605        - removed incorrect use of memccpy in the write support (patch by
606          Jeremy Kerr)
607        - several fixes for the write support
608    
609      * src/gigextract.cpp:
610        - real support for 24 bit samples
611    
612      * src/gigdump.cpp:
613        - print global file informations
614        - print sample groups
615    
616      * general changes:
617        - added CPPUnit test cases (at the moment primarily for automatic check
618          of Gigasampler write support)
619    
620    Version 3.0.0 (28 Apr 2006)
621    
622      * general changes:
623        - added write support (that is for creating and modifying RIFF, DLS and
624          gig files)
625        - loading DLS and gig files is now much more permissive, DLS and gig
626          files are now loaded even if mandatory RIFF chunks are missing
627        - fixed some memory management errors, one of them was causing a
628          crash when a multi-file gig was deallocated
629    
630      * src/gig.cpp, src/gig.h:
631        - fixed the GetVelocityCutoff function, it wasn't always using the
632          VCFVelocityScale parameter when no cutoff controller was defined
633        - support for the gig v3 feature to have a number of dimension
634          splits not equal to a power of two
635        - added write support (highly experimental)
636    
637      * src/DLS.cpp, src/DLS.h:
638        - fixed loading of Articulation Connections (<artl> list chunks were
639          seeked instead of ordinary <artl> data chunks)
640        - added write support (highly experimental)
641    
642      * src/RIFF.cpp, src/RIFF.h:
643        - added write support
644        - Chunk::LoadChunkData() can now be called again to resize the buffer
645          after a Chunk::Resize() and before the File::Save() call to allow
646          placing the new data in the chunk's write buffer and perform the
647          resize and write operations in one rush
648    
649      * src/gigdump.cpp:
650        - fixed to show the correct amount of dimension regions instead of 32
651          (patch by James Wylder)
652    
653      * src/dlsdump.cpp:
654        - show for every region the name of the referenced sample
655        - show file name in quotation marks
656    
657    Version 2.0.2 (15 Aug 2005)
658    
659      * packaging changes:
660        - require automake (>= 1.5) for 'make -f Makefile.cvs'
661          (mandatory for 'dist-bzip2' automake option)
662    
663      * src/gig.cpp, src/gig.h:
664        - support for gig v3 multi-file format (.gig, .gx01, .gx02, ...),
665          the extension files are read automatically when the samples are
666          loaded
667        - fixed the 24 bit decompression, the result should now be exact
668          instead of an approximation
669        - added VCFCutoffControllerInvert parameter and GetVelocityCutoff
670          function to DimensionRegion
671    
672      * src/DLS.cpp, src/DLS.h:
673        - the upper bits of the pool table indices are read (used as
674          extension file numbers for gig v3)
675    
676      * src/RIFF.cpp, src/RIFF.h:
677        - the file name is remembered in the RIFF::File object
678    
679    Version 2.0.1 (12 Jun 2005)
680    
681      * packaging changes:
682        - include debian/ directory on 'make dist'
683        - create a bzip2 tarball on 'make dist'
684    
685      * src/gigextract.cpp:
686        - show also version of libsndfile or build version of libaudiofile when
687          using the -v switch
688        - fixed mutual link dependency to libsndfile / libaudiofile
689    
690      * src/gig.cpp, src/gig.h:
691        - added DimensionRegion::GetVelocityRelease function
692    
693    Version 2.0.0 (9 May 2005)
694    
695      * packaging changes:
696        - fixed conditional linkage of either libsndfile or libaudiofile
697          (if none of the two exist, configure script will abort)
698        - man pages are now auto generated with the correct libgig version
699    
700      * src/gig.cpp, src/gig.h:
701        - experimental support for Gigasampler v3 format;
702          64 bit file offsets are truncated to 32 bit, 24 bit samples are
703          truncated to 16 bit, up to 8 dimensions are read, additional
704          articulation informations are ignored at the moment
705          (patch by Andreas Persson)
706        - added some file format compatibility checks
707        - fixed vcf_type_lowpassturbo value (vcf_type_lowpassturbo was actually
708          never used, because the necessary check was made before
709          initialization)
710        - fixed crossfade points order (structure for big endian and little
711          endian systems was interchanged)
712        - fixed some memory leaks (patch by 'Gene', a.k.a Anders Alm)
713        - fixed crash which occured when patches did not have a sample assigned
714          to their region or dimension region (patch by Andreas Persson)
715        - support for compressed mono samples
716        - experimental support for compressed 24 bit samples
717        - fixed decompression on big-endian CPUs
718        - fixed decompression bug that truncated the last block of samples
719        - external decompression buffers can now be used for streaming samples
720          to avoid race conditions in case of multiple streaming threads
721        - added pre-calculated sample attenuation parameter
722        - added v3 "random" and "round robin" dimensions
723        - implemented progress indicator callback mechanism for loading
724          instruments and samples
725        - added functions libraryName() and libraryVersion()
726    
727      * src/DLS.cpp, src/DLS.h:
728        - fixed File constructor which caused variable File::Instruments always
729          to be zero
730        - added functions libraryName() and libraryVersion()
731    
732      * src/RIFF.cpp, src/RIFF.h:
733        - fixed method List::LoadSubChunks() which did not restore the original
734          position within the body of the given list chunk
735        - added functions libraryName() and libraryVersion()
736    
737      * src/rifftree.cpp:
738        - added command line switch -v to show rifftree's revision and the used
739          libgig version
740    
741      * src/dlsdump.cpp:
742        - added command line switch -v to show dlsdump's revision and the used
743          libgig version
744    
745      * src/gigdump.cpp:
746        - added output of UnityNote, FineTune, Gain, SampleStartOffset an
747          LoopPlayCount
748        - added command line switch -v to show gigdump's revision and the used
749          libgig version
750    
751      * src/gigextract.cpp:
752        - support for compressed mono samples and compressed 24 bit samples
753        - added command line switch -v to show gigextract's revision and the
754          used libgig version
755    
756    Version 1.0.0 (26 Nov 2004)
757    
758      * packaging changes:
759        - renamed 'libgig.pc.in' -> 'gig.pc.in' and renamed pkg-config lib name
760          'libgig' -> 'gig' as it's common practice to omit the 'lib' prefix
761        - fixed man pages automake install rule (which didn't work on Mandrake,
762          SuSE and Fedora)
763        - fixed generation of Doxygen API documentation (now also included in
764          RPM and Debian packages)
765    
766      * src/gig.cpp, src/gig.h:
767        - fixed / improved accuracy of all three velocity to volume
768          transformation functions a.k.a. 'nonlinear','linear','special'
769          (patch by Andreas Persson)
770        - denormals are filtered from the velocity to volume tables
771        - bugfix for dimension region switching (wrong handling of the release
772          trigger dimension, no bit range check for dimensions of split type
773          'split_type_bit')
774        - fixed panorama value in DimensionRegion (invalid conversion from
775          signed 7 bit to signed 8 bit)
776        - added class attribute 'Layers' to class 'gig::Region'
777        - symbol prototyping of gig::Region (fixes build failure with qsampler)
778    
779      * src/gigextract.cpp:
780        - added support for libsndfile (if libaudiofile and libsndfile are
781          available then libsndfile is preferred)
782    
783      * src/gigdump.cpp:
784        - added printout for dimension informations (amount, type, bits, zones)
785        - added printout for velocity response curve parameters
786        - added printout for crossfade definitions
787        - added printout for panorama value for each DimensionRegion
788        - replaced printout of DLS Region layer by printout of amount of
789          Gigasampler layers
790    
791    Version 0.7.1 (2 Jul 2004)
792    
793      * packaging changes:
794        - added libgig.spec and libgig.pc package configurations for generating
795          Redhat packages
796        - header files included on installation.
797        - autotools-generated files removed from CVS repository.
798        - added support for generating Debian packages
799        - version of shared library can be set in configure.in
800    
801    Version 0.7.0 (3 May 2004)
802    
803      * general changes:
804        - various big endian specific corrections
805          (successfully tested now on PPC)
806        - minor adjustments to avoid compile errors on some systems
807          (using now pow() instead of powl() and --pedantic g++ compiler switch)
808        - libtoolized the library
809        - added man pages for the command line tools
810          (gigextract, gigdump, dlsdump, rifftree)
811    
812      * src/gig.cpp, src/gig.h:
813        - fixed bug in decompression algorithm which caused it not to detect
814          the end of a stream
815        - added method GetVelocityAttenuation() to class 'DimensionRegion' which
816          takes the MIDI key velocity value as an argument and returns the
817          appropriate volume factor (0.0 ... 1.0) for the sample to be played
818          back, the velocity curve transformation functions used for this are
819          only an approximation so far
820        - fixed class attributes 'Sample::LoopStart', 'Sample::LoopEnd' and
821          'Sample::LoopSize' which reflected wrong values
822        - class attributes 'Sample::LoopStart' and 'Sample::LoopEnd' are now
823          measured in sample points instead of byte offset
824        - renamed misleading attribute name 'Sample::MIDIPitchFraction' to
825          'Sample::FineTune'
826        - added class attribute 'Sample::LoopSize'
827        - added method GetInstrument(uint index) to class 'File'
828        - added ReadAndLoop() method to class 'Sample' which is an extension to
829          the normal Read() method to honor the sample's looping information
830          while streaming from disk
831        - changed interface for 'attenuation_ctrl_t', 'eg1_ctrl_t' and
832          'eg2_ctrl_t': replaced this huge enumeration by a structure which
833          reflects the MIDI controller number in case of an ordinary control
834          change controller (this saves a huge switch-case block in the
835          application of the library user)
836        - renamed following attributes in class 'DimensionRegion':
837          'AttenuationContol' -> 'AttenuationController',
838          'InvertAttenuationControl' -> 'InvertAttenuationController',
839          'AttenuationControlTreshold' -> 'AttenuationControllerThreshold'
840        - minor fix in API documentation for method GetVelocityAttenuation() in
841          class 'DimensionRegion'
842    
843      * src/RIFF.cpp, src/RIFF.h:
844        - added additional API documentation
845        - minor fix in Chunk::Read() method (only a minor efficiency issue)
846    
847      * src/gigdump.cpp:
848        - added printout of samples' looping informations
849    
850  Version 0.6.0 (3 Nov 2003)  Version 0.6.0 (3 Nov 2003)
851    
852    * initial release    * initial release

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