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revision 196 by schoenebeck, Sat Jul 10 09:52:24 2004 UTC revision 3961 by schoenebeck, Sat Jun 19 11:01:40 2021 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version SVN trunk (?)
2    
3      * src/gig.cpp, src/gig.h:
4        - Region::DeleteDimensionZone(): Fix clang sanatizer warning.
5        - Region::SplitDimensionZone(): Fix clang sanatizer warning.
6        - Sample: Fix unnecessary RAM consumption in case of 24 bit samples
7          (InternalDecompressionBuffer is no longer needed for 24 bit samples since
8          SVN r902 / libgig release 3.1.0).
9        - Use GetSubChunkAt() instead of GetFirstSubChunk() / GetNextSubChunk() in
10          entire gig.cpp file.
11        - Use GetSubListAt() instead of GetFirstSubList() / GetNextSubList() in
12          entire gig.cpp file.
13        - Added method Instrument::GetRegionAt().
14        - Marked methods Instrument::GetFirstRegion() and
15          Instrument::GetNextRegion() as deprecated.
16        - Use GetRegionAt() instead of GetFirstRegion() / GetNextRegion() in entire
17          gig.cpp file.
18        - Changed signature of method File::GetSample(uint) to
19          File::GetSample(size_t,progress_t*).
20        - Marked methods File::GetFirstSample() and File::GetNextSample() as
21          deprecated.
22        - Use File::GetSample() instead of File::GetFirstSample() /
23          File::GetNextSample() in entire gig.cpp file.
24        - Added method Group::GetSample().
25        - Marked methods Group::GetFirstSample() and Group::GetNextSample() as
26          deprecated.
27        - Use Group::GetSample() instead of Group::GetFirstSample() /
28          Group::GetNextSample() in entire gig.cpp file.
29        - Changed signature of method File::GetGroup(uint) to
30          File::GetGroup(size_t).
31        - Fixed File::GetGroup(size_t) to be reentrant-safe.
32        - Marked methods GetFirstGroup() and GetNextGroup() as deprecated.
33        - Fixed GetGroup(String) to be reentrant-safe.
34        - Use GetGroup() instead of GetFirstGroup() / GetNextGroup() in entire
35          gig.cpp file.
36        - Changed signature of method File::GetInstrument(uint,progress_t*) to
37          File::GetInstrument(size_t,progress_t*).
38        - Fixed File::GetInstrument(size_t,progress_t*) to be reentrant-safe.
39        - Marked methods File::GetFirstInstrument() and File::GetNextInstrument()
40          as deprecated.
41        - Use File::GetInstrument() instead of File::GetFirstInstrument() /
42          File::GetNextInstrument() in entire gig.cpp file.
43        - Optimized method ScriptGroup::GetScript() to have constant time
44          efficiency.
45        - Changed signature of method File::GetScriptGroup(uint) to
46          File::GetScriptGroup(size_t).
47        - Optimized method File::GetScriptGroup(size_t) to have constant time
48          efficiency.
49        - Changed signature of method ScriptGroup::GetScript(uint) to
50          ScriptGroup::GetScript(size_t).
51        - Changed signature of method Instrument::GetScriptOfSlot(uint) to
52          Instrument::GetScriptOfSlot(size_t).
53        - Changed signature of method Instrument::SwapScriptSlots(uint,uint) to
54          Instrument::SwapScriptSlots(size_t,size_t).
55        - Changed signature of method Instrument::RemoveScriptSlot(uint) to
56          Instrument::RemoveScriptSlot(size_t).
57        - Changed signature of method Instrument::ScriptSlotCount() to return
58          size_t instead of uint.
59        - Changed signature of method Instrument::IsScriptSlotBypassed(uint) to
60          Instrument::IsScriptSlotBypassed(size_t).
61        - Changed signature of method Instrument::SetScriptSlotBypassed(uint,bool)
62          to Instrument::SetScriptSlotBypassed(size_t,bool).
63        - Changed signature of method
64          Instrument::IsScriptPatchVariableSet(int,String) to
65          Instrument::IsScriptPatchVariableSet(size_t,String).
66        - Changed signature of method Instrument::GetScriptPatchVariables(int) to
67          Instrument::GetScriptPatchVariables(size_t).
68        - Changed signature of method
69          Instrument::GetScriptPatchVariable(int,String) to
70          Instrument::GetScriptPatchVariable(size_t,String).
71        - Changed signature of method
72          Instrument::SetScriptPatchVariable(int,String,String) to
73          Instrument::SetScriptPatchVariable(size_t,String,String).
74    
75      * src/SF.cpp, src/SF.h:
76        - File::DeleteInstrument(): Fix clang sanatizer warning.
77    
78      * src/DLS.cpp, src/DLS.h:
79        - Use GetSubChunkAt() instead of GetFirstSubChunk() / GetNextSubChunk() in
80          entire DLS.cpp file.
81        - Use GetSubListAt() instead of GetFirstSubList() / GetNextSubList() in
82          entire DLS.cpp file.
83        - Added method Instrument::GetRegionAt().
84        - Marked methods Instrument::GetFirstRegion() and
85          Instrument::GetNextRegion() as deprecated.
86        - Use GetRegionAt() instead of GetFirstRegion() / GetNextRegion() in entire
87          DLS.cpp file.
88        - Added method File::GetSample().
89        - Marked methods File::GetFirstSample() and File::GetNextSample() as
90          deprecated.
91        - Use File::GetSample() instead of File::GetFirstSample() /
92          File::GetNextSample() in entire DLS.cpp file.
93        - Added method Articulator::GetArticulation().
94        - Marked methods Articulator::GetFirstArticulation() and
95          Articulator::GetNextArticulation() as deprecated.
96        - Added method File::GetInstrument().
97        - Marked methods File::GetFirstInstrument() and File::GetNextInstrument()
98          as deprecated.
99    
100      * src/RIFF.cpp, src/RIFF.h:
101        - Chunk::LoadChunkData(): Fix clang sanatizer warning.
102        - List::LoadSubChunks(): Fix potential garbage data access if reading a
103          RIFF chunk ID failed.
104        - Added methods File::IsIOPerThread() and File::SetIOPerThread(bool); the
105          latter allows to automatically use a separate file I/O stream state for
106          each thread.
107        - Added method List::GetSubChunkAt().
108        - Added method List::GetSubListAt().
109        - Marked methods List::GetFirstSubChunk(), List::GetNextSubChunk(),
110          List::GetFirstSubList() and List::GetNextSubList() as deprecated.
111        - Use GetSubListAt() instead of GetFirstSubList() / GetNextSubList() in
112          entire RIFF.cpp file.
113    
114    Version 4.3.0 (9 May 2021)
115    
116      * general changes:
117        - Require at least a C++11 compliant compiler.
118        - Require some UUID generating function by underlying system.
119    
120      * src/gig.cpp, src/gig.h:
121        - GIG FORMAT EXTENSION: Added attributes DimensionRegion::LFO1WaveForm,
122          DimensionRegion::LFO2WaveForm and DimensionRegion::LFO3WaveForm, which
123          allow to define override LFOs' wave form (e.g. saw or square instead of
124          the default wave form which was always sine in the original
125          Gigasampler/GigaStudio software).
126        - GIG FORMAT EXTENSION: Added attributes DimensionRegion::LFO1Phase,
127          DimensionRegion::LFO2Phase and DimensionRegion::LFO3Phase, which allow to
128          move the start point horizontally of the LFOs' waves (0° ... 360°).
129        - GIG FORMAT EXTENSION: Added attribute DimensionRegion::LFO3FlipPhase
130          (the original Gigasampler/GigaStudio software only had that flip phase
131          option for LFO1 and LFO2).
132        - Added methods DimensionRegion::UsesAnyGigFormatExtension(),
133          Region::UsesAnyGigFormatExtension(),
134          Instrument::UsesAnyGigFormatExtension() and
135          File::UsesAnyGigFormatExtension() (however only as private methods yet,
136          see comments on methods why).
137        - GIG FORMAT EXTENSION: added LinuxSampler specific filter type
138          implementations to enum vcf_type_t: vcf_type_lowpass_1p,
139          vcf_type_lowpass_2p, vcf_type_lowpass_4p, vcf_type_lowpass_6p,
140          vcf_type_highpass_1p, vcf_type_highpass_2p, vcf_type_highpass_4p,
141          vcf_type_highpass_6p, vcf_type_bandpass_2p, vcf_type_bandreject_2p.
142        - Compatibility fix: GigaStudio always expects 128 '3gnm' RIFF chunks
143          (patch by Ivan Maguidhir).
144        - Compatibility fix: GigaStudio 3 expects '3dnm' and '3ddp' RIFF chunks
145          (original patch by Ivan Maguidhir).
146        - Region::DeleteDimensionZone() and Region::SplitDimensionZone(): Fixed
147          dimensions being in different order after deleting a dimension zone.
148        - Script: Generate a persistent UUID for each script.
149        - GIG FORMAT EXTENSION: Added support for script 'patch' variables and
150          accordingly added new methods to Instrument class:
151          IsScriptPatchVariableSet(), GetScriptPatchVariables(),
152          GetScriptPatchVariable(), SetScriptPatchVariable(),
153          UnsetScriptPatchVariable(); stored persistently as new 'SCPV' RIFF chunk
154          as child of our '3LS ' list chunk on Instrument level.
155        - Fixed undefined behaviour when modifying script slots on an instrument
156          that had been cloned and not been saved yet (e.g. unintended modification
157          of original instrument's script slots, and crash on Instrument destruction
158          due to double free of pScriptRefs).
159    
160      * src/Serialization.cpp, src/Serialization.h:
161        - Fixed broken Archive(RawData) constructor which always threw an
162          Exception.
163        - Added built-in support for C++ String objects (a.k.a. std::string
164          from the STL) and bumped Srx format version to 1.1 for that reason.
165        - Fixed assertion fault on some systems if a member variable defined was
166          serialized which was declared as size_t or ssize_t data type.
167        - Added new method Archive::operation() which allows applications to
168          distinguish between serialization vs. deserialization in their
169          serialize() method implementations.
170        - Added built-in support for C++ Array<> objects (a.k.a. std::vector from
171          the STL).
172        - Member offsets are now signed and for (newly added support of) member
173          variables on the heap -1 is always used as offset instead.
174        - Added built-in support for C++ Set<> objects (a.k.a. std::set from the
175          STL).
176        - DataType: Added optional 2nd custom type name.
177        - Added built-in support for C++ Map<> objects (a.k.a. std::map from the
178          STL).
179    
180      * src/helper.h:
181        - Fix compile error with GCC 9 due to ignored result value of vasprintf()
182          function call.
183    
184      * src/tools/gigdump.cpp:
185        - Print dimension region properties LFO1WaveForm, LFO2WaveForm,
186          LFO3WaveForm, LFO1Phase, LFO2Phase, LFO3Phase, LFO1FlipPhase,
187          LFO2FlipPhase and LFO3FlipPhase.
188    
189    Version 4.2.0 (25 Jul 2019)
190    
191      * general changes:
192        - Added MSVC build support (anonymous patch from mailing list).
193        - Introduced CMake build support (yet constrained for building with MSVC)
194          (anonymous patch from mailing list).
195        - Fix: Don't automatically delete RIFF chunks from DLS/gig classes'
196          destructors. Added new virtual method DeleteChunks() to those classes
197          for this which must be explicitly called instead to remove their RIFF
198          chunks.
199        - Fix: Many methods of DLS/gig classes assumed a RIFF chunk read position
200          of zero; which is unsafe per se.
201        - Added C++11 "override" keyword where appropriate.
202        - Fixed crash in RIFF, DLS and gig classes which occurred on certain
203          of their actions when not passing a progress_t callback structure.
204    
205      * src/gig.cpp, src/gig.h:
206        - Fixed Doxygen API comments for enum types (currently latest Doxygen
207          [v1.8.13] only supports C comments in macro arguments expansion, but
208          not C++ comments; see <FindDefineArgs> lexer rules in src/pre.l of
209          the Doxygen source code, which currently also filter out new line
210          \n chars).
211        - Added new method File::CountSamples().
212        - Added new method File::CountInstruments().
213        - Fixed gig v4 files falsely being handled as v2 format
214          (patch by Ivan Maguidhir).
215        - Added gig v4 version identifier (File::VERSION_4).
216        - GIG FORMAT EXTENSION: Added attribute
217          DimensionRegion::SustainReleaseTrigger which allows to define whether
218          a sustain pedal up event shall cause a release trigger sample to be
219          played (default: don't play release trigger sample by sustain pedal).
220        - GIG FORMAT EXTENSION: Added attribute
221          DimensionRegion::NoNoteOffReleaseTrigger which allows to disable the
222          regular behaviour of playing release trigger sample on MIDI note-off
223          events.
224        - Introduced support for writing extension files (.gx01, .gx02, ...)
225          (original patch by Ivan Maguidhir).
226        - Many gig classes derive now from DLS::Storage (see DLS changes below).
227        - Added File::GetRiffFile() method.
228    
229      * src/DLS.cpp, src/DLS.h:
230        - File: Fixed implicitly allocated RIFF::File object never been freed.
231        - Added new abstract interface base class DLS::Storage which is derived by
232          the respective classes for implementing (the old) UpdateChunks() and the
233          new DeleteChunks() method.
234        - Added File::GetRiffFile() method.
235    
236      * src/sf2.cpp, src/sf2.h:
237        - Added Sample::GetFile() method.
238        - Added File::GetRiffFile() method.
239    
240      * src/Serialization.cpp, src/Serialization.h:
241        - Hide pure internal declarations from header file to avoid numerous
242          compiler warnings when building and linking against the public API.
243        - Fixed comparision logic bug
244        - Fixed memory leak in DataType::customTypeName().
245    
246      * src/RIFF.cpp, src/RIFF.h:
247        - Fix: Calling File::SetMode() left an undefined file handle on Windows and
248          caused a resource leak
249        - Avoid compiler warning when building for 32 bit windows.
250        - Added new method progress_t::subdivide().
251        - Fix: API doc comment for Chunk::GetFilePos() was completely wrong.
252        - progress_t: Added a 2nd (overridden) progress_t::subdivide() method which
253          allows a more fine graded control into which portions the subtasks are
254          divided to.
255    
256      * src/tools/gigdump.cpp:
257        - Added command line option --instrument-names which causes only
258          instrument names and their index numbers to be printed.
259    
260    Version 4.1.0 (25 Nov 2017)
261      * general changes:
262        - removed 2 GB limitation when loading a gig or DLS file
263        - using now native integer size where appropriate
264        - fixed minor issues with man pages (patch by Debian maintainer)
265        - fixed various spelling mistakes (patch by Debian maintainer)
266        - Added new "Serialization" framework (and equally named namespace)
267          which allows to serialize and deserialize native C++ objects
268          in a portable, easy and flexible way.
269        - print compiler warning if no RTTI available
270        - Fixed potential crash in command line tools gig2stereo, korg2gig,
271          korgdump and sf2extract.
272        - Fixed CVE-2017-12950, CVE-2017-12952, CVE-2017-12953
273          (original patch by Paul Brossier, slightly modified).
274        - Debian: Fixed packaging error about invalid substitution variable
275          "Source-Version".
276        - Raised Debian compatibility level to Debian 9 "Stretch".
277    
278      * src/gig.cpp, src/gig.h:
279        - fixed bug in Script::SetGroup: the script chunk wasn't moved
280        - fixed compilation error with clang 3.4
281        - GIG FORMAT EXTENSION: added support for saving gig file larger than 4 GB
282          as one single monolithic gig file. In case .gig file is >= 2GB expect a
283          large monolithic file, otherwise if .gig file is < 2 GB check for
284          "extension" files (.gx01, .gx02, ...) instead.
285        - fixed Region::UpdateUpdateVelocityTable() which did not work correctly
286          if there were dimensions after the velocity dimension: it only created
287          valid velocity tables for cases of dimensions lower than the velocity
288          dimension.
289        - added new method Sample::VerifyWaveData() which allows to check whether
290          a sample had been damaged for some reason
291        - Fix: samples' CRC checksums were damaged on file structure changes.
292        - Fix: samples' CRC checksums were misordered when a Sample was deleted.
293        - Added new method Sample::GetWaveDataCRC32Checksum().
294        - Changed default value of EG2Release (filter release time) to 60s.
295        - Instruments' default pitch bend range is now +-2 semi tones.
296        - Fixed CRC checksums being wrong sometimes.
297        - Fix: method File::AddContentOf() did not clone script groups and scripts
298          of passed original file.
299        - Added support for serializing & deserializing DimensionRegion
300          objects (and crossfade_t and leverage_ctrl_t objects).
301        - Added enum reflection API functions for retrieving enum declaration type
302          information at runtime (enumCount(), enumKey(), enumKeys(), enumValue()).
303        - Exception class now has a variadic constructor which allows to add
304          textual format specifiers like with printf().
305        - On unknown leverage controller exception: show precise unknown leverage
306          controller number found.
307        - Ignore invalid leverage controller types and just show a warning on the
308          console instead of throwing an exception.
309        - Added new struct eg_opt_t and new class member variable
310          DimensionRegion::EG1Options and DimensionRegion::EG2Options as an
311          extension to the gig file format, which allows to override the default
312          behavior of the first two EGs' state machines.
313        - Fixed undefined behavior when loading a gig file with invalid
314          velocity curve parameters (fixes CVE-2017-12951).
315        - Fixed undefined behavior when loading a gig file with invalid wave
316          pool index number (fixes CVE-2017-12954).
317    
318      * src/DLS.cpp, src/DLS.h:
319        - Sample: wave pool offsets are now 64 bits (to allow support for files
320          larger than 4 GB).
321        - Exception class now has a variadic constructor which allows to add
322          textual format specifiers like with printf().
323    
324      * src/RIFF.cpp, src/RIFF.h:
325        - added support for RIFF files larger than 4 GB, by default the required
326          internal RIFF file offset size is automatically detected (that is RIFF
327          files < 4 GB automatically use 32 bit offsets while files >= 4 GB
328          automatically use 64 bit offsets), a particular offset size can be forced
329          with a new option added to the RIFF File constructor though
330        - when saving a modified, grown RIFF file, the temporary file size during
331          Save() operation will no longer be larger than the final grown file size
332        - Exception class now has a variadic constructor which allows to add
333          textual format specifiers like with printf().
334    
335      * src/Serialization.cpp, src/Serialization.h:
336        - Archive: Added method isModified().
337        - Archive: Added method setAutoValue().
338        - Archive: Added method setIntValue().
339        - Archive: Added method setRealValue().
340        - Archive: Added method setBoolValue().
341        - Archive: Added method setEnumValue().
342        - Archive: Added method valueAsString().
343        - Archive::rawData(): Automatically re-encode new raw data stream if
344          archive had been modified (i.e. by remove(), setAutoValue(), etc.).
345        - Object: Added method memberByUID().
346        - Object: remove() method is now protected.
347        - Archive: Added method removeMember().
348        - Archive: Added methods name() and setName().
349        - Archive: Added methods comment() and setComment().
350        - Archive: Added methods timeStampCreated(), timeStampModified(),
351          dateTimeCreated() and dateTimeModified().
352        - Archive: Added methods valueAsInt(), valueAsReal() and valueAsBool().
353        - DataType: Implemented demangling C++ type names (for methods
354          asLongDescr() and customTypeName(bool demangle=false)).
355        - Archive::setAutoValue(): Handle human readable boolean text
356          representations like "yes", "no", "true", "false" as expected.
357        - Exception class now has a variadic constructor which allows to add
358          textual format specifiers like with printf().
359        - DataType fix: Retain backward compatibility to older versions of native
360          C++ classes/structs.
361    
362      * src/Akai.cpp:
363        - Fixed compilation error with recent, more strict compilers.
364    
365      * src/tools/akaidump.cpp, src/tools/akaiextract.cpp:
366        - improved output of non-ascii characters in usage messages
367        - fixed printf format strings
368    
369      * src/tools/korg2gig.cpp:
370        - fixed c++11 narrowing warnings
371        - fixed fine tuning which was not translated at all
372    
373      * src/tools/gigdump.cpp:
374        - additionally print VelocityUpperLimit and DimensionUpperLimits of all
375          dimension regions
376        - additionally print RIFF chunk file offset and RIFF chunk size of sample
377          data
378        - added and implemented new parameter "--verify" which allows to check
379          the raw wave form data integrity of all samples
380        - added and implemented new parameter "--rebuild-checksums" which allows
381          to recalculate the CRC32 checksum of all samples' raw wave data and
382          rebuilding the gig file's global checksum table (i.e. in case the
383          file's checksum table was damaged)
384        - print samples' CRC32 checksums
385        - Print the new EG behavior options (eg_opt_t).
386    
387      * src/tools/gigextract.cpp:
388        - Fix: if sample name contains a path separator (slash or backslash) then
389          replace them by a minus sign to avoid file system issues.
390    
391      * src/tools/gig2stereo.cpp:
392        - Also merge mono sample pairs with non matching loop information if
393          argument --incompatible was given.
394    
395      * packaging changes:
396        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
397          auto detect whether it (sh/c)ould output its messages in color.
398    
399    Version 4.0.0 (14 Jul 2015)
400      * general changes:
401        - minor Makefile fix for parallel make
402        - Mac OS X: link with CoreFoundation (for the UUID function)
403        - removed gcc 4.7 warnings
404        - modernized configure script
405        - removed usage of deprecated Automake variable INCLUDES
406        - added new command line tool "gigmerge"
407        - added "const" keyword to several methods
408        - added new command line tool "gig2mono"
409        - added man page for "sf2dump"
410        - added new command line tool "korgdump" (and a man page for it)
411        - added new command line tool "korg2gig" (and a man page for it)
412        - moved source files of command line tools to new subdir src/tools
413        - libgig.so and libakai.so files are now installed under
414          $(prefix)/lib/libgig/ by default.
415        - Header files are now installed under $(prefix)/include/libgig/ by default.
416        - Fixed various packaging issues regarding installation directories
417          (fixes #218).
418        - added new command line tool "gig2stereo" (and a man page for it)
419        - unit tests: fixed wrong return value when test suite app exits
420          (patch by Ryan Schmidt)
421        - added new command line tool "sf2extract" (and a man page for it)
422    
423      * SoundFont file format:
424        - initial implementation
425        - changed region lookup API to avoid malloc in RT threads
426        - fixed GetEG1Sustain which didn't return correct value
427        - bugfix: GetPan always returned -1, 0 or 1
428    
429      * KORG file format:
430        - initial support for sample based instruments in KORG's file format
431          (.KMP and .KSF files)
432    
433      * AKAI file format:
434        - Added Linux/POSIX ported version of libakai. Note that libakai is released
435          under LGPL terms while libgig is released under GPL terms. To handle this
436          license difference appropriately the AKAI support part is built as
437          separate DLL (.so file).
438        - Fixed Mac OSX support so that the Akai lib files and tools compile without
439          any exotic third party libraries.
440        - Fixed various compilation errors for Windows.
441        - POSIX fix: open() requires third (mode) argument if used with O_CREAT
442          (fixes #219).
443    
444      * src/gig.cpp:
445        - bugfix: VCF velocity dynamic range and VCF velocity curve
446          weren't saved correctly
447        - implemented File::AddDuplicateInstrument()
448        - bugfix: negative EG3 depth values were not correctly parsed or
449          saved
450        - added write support for CtrlTrigger midi rule
451        - added read and write support for Legato and Alternator midi
452          rules
453        - bugfix: sample groups were sometimes created multiple times or with
454          wrong textual group name
455        - added new method File::AddContentOf() for merging .gig files
456        - GIG FORMAT EXTENSION: added additional MIDI controllers for leverage
457          controller types (only works with LinuxSampler & gigedit, will not
458          work with Gigasampler/GigaStudio)
459        - added new method File::GetGroup(String name) for getting group by name
460        - added new method Region::GetDimensionDefinition(dimension_t type)
461        - bugfix: don't alter region pointer in DimensionRegion::CopyAssign()
462        - added some more sanity checks in Region::AddDimension()
463        - added new method Region::DeleteDimensionZone(dimension_t, int)
464        - added new method Region::SplitDimensionZone(dimension_t, int)
465        - Fixed crash caused by Region::GetDimensionRegionByValue() that happened
466          with certain velocity split sounds under certain conditions (added bound
467          constraints to prevent that)
468        - GIG FORMAT EXTENSION: added support for real-time instrument scripts.
469        - added new method Region::GetDimensionRegionIndexByValue()
470        - added new method Script::GetGroup()
471        - added new method Region::SetDimensionType()
472        - Added support for custom progress notification while saving to gig file.
473        - Bugfix: Adding a new region in between two existing regions caused the
474          new one being dropped after save operation and the gig file being tainted
475          (chunks at wrong location in the RIFF tree).
476        - Added new method Instrument::MoveTo() which allows to rearrange the order
477          of instruments within the same gig file.
478    
479      * src/DLS.cpp, src/DLS.h:
480        - added new method File::GetFileName()
481        - fixed minor "memory leak on exception" bug found with cppcheck
482        - added new method File::GetExtensionFile(int index)
483        - added new method File::SetFileName() allowing to call File::Save()
484          later on without passing a file name
485        - added inline helper methods overlaps() for struct range_t
486        - Added support for custom progress notification while saving to DLS file.
487        - Bugfix: Adding a new region in between two existing regions caused the
488          new one being dropped after save operation and the gig file being tainted
489          (chunks at wrong location in the RIFF tree).
490    
491      * src/SF.cpp, src/SF.h:
492        - added new method Sample::ReadNoClear()
493    
494      * src/RIFF.cpp, src/RIFF.h:
495        - bugfix: avoid calling read() with count 0 when writing a file,
496          as this may hang on some systems
497        - fixed memory leak and memory handling errors when file loading
498          fails
499        - added new method Chunk::ReadString
500        - added new method File::SetFileName() allowing to call File::Save()
501          later on without passing a file name
502        - added new method File::IsNew()
503        - added support for loading RIFF-like files with a bit different layout
504          than "real" RIFF files (used for KORG format support)
505        - added new method Chunk::GetFile()
506        - added new method Chunk::GetLayout()
507        - added 2nd, alternative method for List::MoveSubChunk(), the old 1st one
508          allows to move a subchunk within the current List, whereas the new 2nd
509          one allows to move the subchunk from the current list to another list
510        - POSIX: only assume -1 result value as error on open() calls
511        - POSIX: show operating system's error reason if opening a file failed
512        - Added support for custom progress notification while saving to RIFF file.
513        - Fixed embarrassing old bug: POSIX read() errors were never detected on
514          Chunk::Read() calls due to signment incompatible variable.
515        - Cleanup of an old DLL binary backward compatibility hack.
516    
517      * src/gigextract.cpp:
518        - export sample loop, unity note and fine tune with libsndfile
519    
520      * src/riftree.cpp:
521        - added more command line options for being able to also dump other kind
522          of file formats similar but not equal to the RIFF format
523    
524    Version 3.3.0 (30 Jul 2009)
525    
526      * general changes:
527        - fixed compilation with gcc 4.3
528        - fixes for building with Visual C++
529        - minor fix in configure for building DLL on Windows
530    
531      * src/gig.cpp, src/gig.h:
532        - added partial support for MIDI rules, only the Controller
533          Triggered rule is supported so far
534        - bugfix: removed another iterator invalidation in DeleteSample
535        - bugfix in Sample::LoadSampleData*(): reset sample read position to
536          sample start before trying to (re)load sample data from file (#82)
537        - bugfix: EG3 depth parameter was not saved correctly
538        - fixed crash which occured when streaming a gig sample with
539          bi-directional (a.k.a. 'pingpong') loop type (fixes #102)
540    
541      * src/RIFF.cpp, src/RIFF.h:
542        - bugfix: saving to the same file after the file size had been
543          increased made the file corrupt (#82)
544        - bugfix: refuse Chunk::Read() in case chunk has just been added, that
545          is not written physically yet (#82)
546        - bugfix: saving to the same file after the file size had been
547          decreased sometimes also made the file corrupt!
548        - bugfix: undefined behavior (e.g. endless loop) when opening zero
549          length files, now throws a RIFF::Exception instead (fixes bug #121)
550        - bugfix: destructor for base class RIFF::Chunk accessed members
551          of derived class RIFF::File, which is bad, and caused crashes
552          when using Visual C++
553        - bugfix: files that contain zero length RIFF lists were not read
554          correctly (fixes #127) (bug was introduced 2009-03-13)
555    
556    Version 3.2.1 (5 Dec 2007)
557    
558      * src/RIFF.cpp, src/RIFF.h:
559        - avoid Windows to perform unnecessary file stream caching which would
560          decrease disk streaming performance on Windows systems otherwise
561    
562      * src/gig.cpp, src/gig.h:
563        - added File::SetAutoLoad() and File::GetAutoLoad() for allowing
564          applications to retrieve very superficial informations like amount of
565          instruments and their names in a very fast way
566    
567    Version 3.2.0 (14 Oct 2007)
568    
569      * packaging changes:
570        - added Mac OSX XCode project files (patch by Toshi Nagata)
571        - Dev-C++ (win32) project file is automatically updated with
572          the version info from configure.in
573        - the configure script can now be used in Windows with MSYS
574        - added a mainpage for the Doxygen API documentation
575    
576      * src/DLS.cpp, src/DLS.h:
577        - added Sampler::AddSampleLoop() and Sampler::DeleteSampleLoop() methods
578        - fixed write support for big-endian systems
579        - improved handling of fixed length info strings - separate default
580          lengths can be specified for each INFO chunk
581        - added Resource::GenerateDLSID function
582        - write support fix: allow regions without mapped samples
583        - added method SetKeyRange() to the Region class which should be used
584          instead of setting the KeyRange member variable directly
585        - MoveRegion() method of Region class is now private
586        - added SetGain() method to Sampler class
587        - fixed crash when saving a file after a sample loop was added
588    
589      * src/gig.cpp, src/gig.h:
590        - fixed segmentation fault in the gig::File destructor sequence which
591          happened when gig::Group informations were accessed before
592        - fixed write support for big-endian systems
593        - defined lengths of a fixed set of info strings. These strings
594          are saved when the file is written, even if they are empty.
595        - added missing parameter initalizations in sample, region and
596          instrument constructors
597        - clear unused fields when saving samples and regions
598        - fixed write support bugs: v3 dimension limits and chunksize
599          weren't saved, leverage controller of type controlchange
600          couldn't be saved, group name list chunk was placed wrong,
601          dimension region chunks also placed wrong
602        - added initialization of some fixed info strings in file and
603          instrument
604        - write support: files created by libgig will now have the RIFF
605          chunks in correct order
606        - write support: two previously unknown fields in dimension
607          definition are now saved
608        - added constants for gig file versions
609        - write support: the 3crc and einf chunks are now created or
610          updated when a file is saved (3crc contains sample checksums,
611          einf contains file statistics)
612        - write support: DLSID is now generated on the file and the
613          instruments
614        - write support: improved the default values for dimension region
615          parameters
616        - more write support fixes: crossfade parameters were not saved,
617          v3 dimension limits were not correctly initialized and saved
618          when dimensions were added or deleted, v3 wave pool offsets were
619          not saved correctly
620        - write support: 24 bit samples can now be written
621        - write support: version 3 is now the default for new files
622        - more write support fixes: the 3ewg chunk is now bigger for v3,
623          dimension regions without mapped samples are now allowed, 3gnl
624          list in v3 files now always has 128 entries, several parameters
625          where incorrectly saved due to an operator precedence mistake
626        - DeleteSample now removes all references to the deleted sample
627        - AddDimension now copies all parameters from existing dimension
628          regions and also makes sure that the samplechannel dimension is
629          placed first in the list of dimensions.
630        - added method GetParent() to class 'DimensionRegion', which returns its
631          parent Region
632        - fixed Instrument::UpdateRegionKeyTable() method which did not reset
633          unused areas
634        - added various setter methods to DimensionRegion class which take care
635          of updating lookup tables / caches.
636    
637      * src/RIFF.cpp, src/RIFF.h:
638        - added File::SetByteOrder method
639        - Windows fix: saving a new file didn't work
640    
641      * src/gigdump.cpp:
642        - added some missing dimension strings
643    
644    Version 3.1.1 (24 Mar 2007)
645    
646      * packaging changes:
647        - ported to Windows using native Windows functions for file IO
648          (provided Dev-C++ + mingw project file)
649        - only export relevant files to Doxygen API documentation
650    
651      * src/gig.cpp, src/gig.h:
652        - custom velocity splits now works for gig v3 files too
653        - added support for custom splits points for other dimensions than
654          velocity (gig v3 feature)
655        - added "smart midi" and "round robin keyboard" dimensions
656        - added new method File::DeleteGroupOnly() which only deletes the given
657          group but moves all its members to another group, the other method,
658          that is File::DeleteGroup() now removes not just the group, but also
659          all the samples that belong to that group
660        - fixed crash which occured on interfering File::DeleteSample() and
661          File::GetNextSample() calls (due to iterator invalidation)
662        - fixed group names which were not saved
663        - fixed group destructor which did not remove the RIFF chunk associated
664          with the group
665        - added Instrument::MoveRegion method
666        - fixed constructor for Region, which did not initialize correctly
667          when used from Instrument::AddRegion
668        - when saving, override the gig::Regions sample reference simply by
669          the region's first dimension region's sample (avoids an exception
670          when trying to save a new instrument)
671        - fixed AddDimension() method which did not fill out all mandatory
672          dimension definition fields
673    
674      * src/DLS.cpp, src/DLS.h:
675        - added Instrument::MoveRegion method
676        - fixed software info field which was wrongly stored on instruments,
677          causing an exception when trying to save a new instrument
678    
679      * src/RIFF.cpp, src/RIFF.h:
680        - fixed RIFF::Chunk destructor which did not unregister previously
681          resized chunks, leading to a "zero size chunk" exception when
682          File::Save() was called
683        - added List::MoveSubChunk method
684    
685    Version 3.1.0 (24 Nov 2006)
686    
687      * packaging changes:
688        - changed deprecated copyright attribute to license;
689          added ldconfig to post-(un)install steps on libgig.spec (RPM)
690    
691      * src/gig.cpp, src/gig.h:
692        - added support for more than one set of custom velocity splits
693          inside a region (for example different velocity split levels for
694          pedal up and pedal down)
695        - sample loop parameters are now taken from the DimensionRegion
696          instead of the wave chunk
697        - keyswitching dimension is changed from split type "normal" to
698          "bit"
699        - real support for 24 bit samples - samples are not truncated to
700          16 bits anymore
701        - support for reading of ".art" files. (Merging of .art and .gig
702          files are not implemented yet.)
703        - several fixes for the write support
704        - support for sample groups added
705    
706      * src/DLS.cpp, src/DLS.h:
707        - support for reading of ".art" files
708        - removed incorrect use of memccpy in the write support (patch by
709          Jeremy Kerr)
710        - several fixes for the write support
711    
712      * src/gigextract.cpp:
713        - real support for 24 bit samples
714    
715      * src/gigdump.cpp:
716        - print global file informations
717        - print sample groups
718    
719      * general changes:
720        - added CPPUnit test cases (at the moment primarily for automatic check
721          of Gigasampler write support)
722    
723    Version 3.0.0 (28 Apr 2006)
724    
725      * general changes:
726        - added write support (that is for creating and modifying RIFF, DLS and
727          gig files)
728        - loading DLS and gig files is now much more permissive, DLS and gig
729          files are now loaded even if mandatory RIFF chunks are missing
730        - fixed some memory management errors, one of them was causing a
731          crash when a multi-file gig was deallocated
732    
733      * src/gig.cpp, src/gig.h:
734        - fixed the GetVelocityCutoff function, it wasn't always using the
735          VCFVelocityScale parameter when no cutoff controller was defined
736        - support for the gig v3 feature to have a number of dimension
737          splits not equal to a power of two
738        - added write support (highly experimental)
739    
740      * src/DLS.cpp, src/DLS.h:
741        - fixed loading of Articulation Connections (<artl> list chunks were
742          seeked instead of ordinary <artl> data chunks)
743        - added write support (highly experimental)
744    
745      * src/RIFF.cpp, src/RIFF.h:
746        - added write support
747        - Chunk::LoadChunkData() can now be called again to resize the buffer
748          after a Chunk::Resize() and before the File::Save() call to allow
749          placing the new data in the chunk's write buffer and perform the
750          resize and write operations in one rush
751    
752      * src/gigdump.cpp:
753        - fixed to show the correct amount of dimension regions instead of 32
754          (patch by James Wylder)
755    
756      * src/dlsdump.cpp:
757        - show for every region the name of the referenced sample
758        - show file name in quotation marks
759    
760    Version 2.0.2 (15 Aug 2005)
761    
762      * packaging changes:
763        - require automake (>= 1.5) for 'make -f Makefile.cvs'
764          (mandatory for 'dist-bzip2' automake option)
765    
766      * src/gig.cpp, src/gig.h:
767        - support for gig v3 multi-file format (.gig, .gx01, .gx02, ...),
768          the extension files are read automatically when the samples are
769          loaded
770        - fixed the 24 bit decompression, the result should now be exact
771          instead of an approximation
772        - added VCFCutoffControllerInvert parameter and GetVelocityCutoff
773          function to DimensionRegion
774    
775      * src/DLS.cpp, src/DLS.h:
776        - the upper bits of the pool table indices are read (used as
777          extension file numbers for gig v3)
778    
779      * src/RIFF.cpp, src/RIFF.h:
780        - the file name is remembered in the RIFF::File object
781    
782    Version 2.0.1 (12 Jun 2005)
783    
784      * packaging changes:
785        - include debian/ directory on 'make dist'
786        - create a bzip2 tarball on 'make dist'
787    
788      * src/gigextract.cpp:
789        - show also version of libsndfile or build version of libaudiofile when
790          using the -v switch
791        - fixed mutual link dependency to libsndfile / libaudiofile
792    
793      * src/gig.cpp, src/gig.h:
794        - added DimensionRegion::GetVelocityRelease function
795    
796    Version 2.0.0 (9 May 2005)
797    
798      * packaging changes:
799        - fixed conditional linkage of either libsndfile or libaudiofile
800          (if none of the two exist, configure script will abort)
801        - man pages are now auto generated with the correct libgig version
802    
803      * src/gig.cpp, src/gig.h:
804        - experimental support for Gigasampler v3 format;
805          64 bit file offsets are truncated to 32 bit, 24 bit samples are
806          truncated to 16 bit, up to 8 dimensions are read, additional
807          articulation informations are ignored at the moment
808          (patch by Andreas Persson)
809        - added some file format compatibility checks
810        - fixed vcf_type_lowpassturbo value (vcf_type_lowpassturbo was actually
811          never used, because the necessary check was made before
812          initialization)
813        - fixed crossfade points order (structure for big endian and little
814          endian systems was interchanged)
815        - fixed some memory leaks (patch by 'Gene', a.k.a Anders Alm)
816        - fixed crash which occured when patches did not have a sample assigned
817          to their region or dimension region (patch by Andreas Persson)
818        - support for compressed mono samples
819        - experimental support for compressed 24 bit samples
820        - fixed decompression on big-endian CPUs
821        - fixed decompression bug that truncated the last block of samples
822        - external decompression buffers can now be used for streaming samples
823          to avoid race conditions in case of multiple streaming threads
824        - added pre-calculated sample attenuation parameter
825        - added v3 "random" and "round robin" dimensions
826        - implemented progress indicator callback mechanism for loading
827          instruments and samples
828        - added functions libraryName() and libraryVersion()
829    
830      * src/DLS.cpp, src/DLS.h:
831        - fixed File constructor which caused variable File::Instruments always
832          to be zero
833        - added functions libraryName() and libraryVersion()
834    
835      * src/RIFF.cpp, src/RIFF.h:
836        - fixed method List::LoadSubChunks() which did not restore the original
837          position within the body of the given list chunk
838        - added functions libraryName() and libraryVersion()
839    
840      * src/rifftree.cpp:
841        - added command line switch -v to show rifftree's revision and the used
842          libgig version
843    
844      * src/dlsdump.cpp:
845        - added command line switch -v to show dlsdump's revision and the used
846          libgig version
847    
848      * src/gigdump.cpp:
849        - added output of UnityNote, FineTune, Gain, SampleStartOffset an
850          LoopPlayCount
851        - added command line switch -v to show gigdump's revision and the used
852          libgig version
853    
854      * src/gigextract.cpp:
855        - support for compressed mono samples and compressed 24 bit samples
856        - added command line switch -v to show gigextract's revision and the
857          used libgig version
858    
859    Version 1.0.0 (26 Nov 2004)
860    
861    * packaging changes:    * packaging changes:
862      - renamed 'libgig.pc.in' -> 'gig.pc.in' and renamed pkg-config lib name      - renamed 'libgig.pc.in' -> 'gig.pc.in' and renamed pkg-config lib name
863        'libgig' -> 'gig' as it's common practice to omit the 'lib' prefix        'libgig' -> 'gig' as it's common practice to omit the 'lib' prefix
864        - fixed man pages automake install rule (which didn't work on Mandrake,
865          SuSE and Fedora)
866        - fixed generation of Doxygen API documentation (now also included in
867          RPM and Debian packages)
868    
869      * src/gig.cpp, src/gig.h:
870        - fixed / improved accuracy of all three velocity to volume
871          transformation functions a.k.a. 'nonlinear','linear','special'
872          (patch by Andreas Persson)
873        - denormals are filtered from the velocity to volume tables
874        - bugfix for dimension region switching (wrong handling of the release
875          trigger dimension, no bit range check for dimensions of split type
876          'split_type_bit')
877        - fixed panorama value in DimensionRegion (invalid conversion from
878          signed 7 bit to signed 8 bit)
879        - added class attribute 'Layers' to class 'gig::Region'
880        - symbol prototyping of gig::Region (fixes build failure with qsampler)
881    
882      * src/gigextract.cpp:
883        - added support for libsndfile (if libaudiofile and libsndfile are
884          available then libsndfile is preferred)
885    
886      * src/gigdump.cpp:
887        - added printout for dimension informations (amount, type, bits, zones)
888        - added printout for velocity response curve parameters
889        - added printout for crossfade definitions
890        - added printout for panorama value for each DimensionRegion
891        - replaced printout of DLS Region layer by printout of amount of
892          Gigasampler layers
893    
894  Version 0.7.1 (2 Jul 2004)  Version 0.7.1 (2 Jul 2004)
895    

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