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revision 196 by schoenebeck, Sat Jul 10 09:52:24 2004 UTC revision 3959 by schoenebeck, Sat Jun 19 10:55:04 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    
69      * src/SF.cpp, src/SF.h:
70        - File::DeleteInstrument(): Fix clang sanatizer warning.
71    
72      * src/DLS.cpp, src/DLS.h:
73        - Use GetSubChunkAt() instead of GetFirstSubChunk() / GetNextSubChunk() in
74          entire DLS.cpp file.
75        - Use GetSubListAt() instead of GetFirstSubList() / GetNextSubList() in
76          entire DLS.cpp file.
77        - Added method Instrument::GetRegionAt().
78        - Marked methods Instrument::GetFirstRegion() and
79          Instrument::GetNextRegion() as deprecated.
80        - Use GetRegionAt() instead of GetFirstRegion() / GetNextRegion() in entire
81          DLS.cpp file.
82        - Added method File::GetSample().
83        - Marked methods File::GetFirstSample() and File::GetNextSample() as
84          deprecated.
85        - Use File::GetSample() instead of File::GetFirstSample() /
86          File::GetNextSample() in entire DLS.cpp file.
87        - Added method Articulator::GetArticulation().
88        - Marked methods Articulator::GetFirstArticulation() and
89          Articulator::GetNextArticulation() as deprecated.
90        - Added method File::GetInstrument().
91        - Marked methods File::GetFirstInstrument() and File::GetNextInstrument()
92          as deprecated.
93    
94      * src/RIFF.cpp, src/RIFF.h:
95        - Chunk::LoadChunkData(): Fix clang sanatizer warning.
96        - List::LoadSubChunks(): Fix potential garbage data access if reading a
97          RIFF chunk ID failed.
98        - Added methods File::IsIOPerThread() and File::SetIOPerThread(bool); the
99          latter allows to automatically use a separate file I/O stream state for
100          each thread.
101        - Added method List::GetSubChunkAt().
102        - Added method List::GetSubListAt().
103        - Marked methods List::GetFirstSubChunk(), List::GetNextSubChunk(),
104          List::GetFirstSubList() and List::GetNextSubList() as deprecated.
105        - Use GetSubListAt() instead of GetFirstSubList() / GetNextSubList() in
106          entire RIFF.cpp file.
107    
108    Version 4.3.0 (9 May 2021)
109    
110      * general changes:
111        - Require at least a C++11 compliant compiler.
112        - Require some UUID generating function by underlying system.
113    
114      * src/gig.cpp, src/gig.h:
115        - GIG FORMAT EXTENSION: Added attributes DimensionRegion::LFO1WaveForm,
116          DimensionRegion::LFO2WaveForm and DimensionRegion::LFO3WaveForm, which
117          allow to define override LFOs' wave form (e.g. saw or square instead of
118          the default wave form which was always sine in the original
119          Gigasampler/GigaStudio software).
120        - GIG FORMAT EXTENSION: Added attributes DimensionRegion::LFO1Phase,
121          DimensionRegion::LFO2Phase and DimensionRegion::LFO3Phase, which allow to
122          move the start point horizontally of the LFOs' waves (0° ... 360°).
123        - GIG FORMAT EXTENSION: Added attribute DimensionRegion::LFO3FlipPhase
124          (the original Gigasampler/GigaStudio software only had that flip phase
125          option for LFO1 and LFO2).
126        - Added methods DimensionRegion::UsesAnyGigFormatExtension(),
127          Region::UsesAnyGigFormatExtension(),
128          Instrument::UsesAnyGigFormatExtension() and
129          File::UsesAnyGigFormatExtension() (however only as private methods yet,
130          see comments on methods why).
131        - GIG FORMAT EXTENSION: added LinuxSampler specific filter type
132          implementations to enum vcf_type_t: vcf_type_lowpass_1p,
133          vcf_type_lowpass_2p, vcf_type_lowpass_4p, vcf_type_lowpass_6p,
134          vcf_type_highpass_1p, vcf_type_highpass_2p, vcf_type_highpass_4p,
135          vcf_type_highpass_6p, vcf_type_bandpass_2p, vcf_type_bandreject_2p.
136        - Compatibility fix: GigaStudio always expects 128 '3gnm' RIFF chunks
137          (patch by Ivan Maguidhir).
138        - Compatibility fix: GigaStudio 3 expects '3dnm' and '3ddp' RIFF chunks
139          (original patch by Ivan Maguidhir).
140        - Region::DeleteDimensionZone() and Region::SplitDimensionZone(): Fixed
141          dimensions being in different order after deleting a dimension zone.
142        - Script: Generate a persistent UUID for each script.
143        - GIG FORMAT EXTENSION: Added support for script 'patch' variables and
144          accordingly added new methods to Instrument class:
145          IsScriptPatchVariableSet(), GetScriptPatchVariables(),
146          GetScriptPatchVariable(), SetScriptPatchVariable(),
147          UnsetScriptPatchVariable(); stored persistently as new 'SCPV' RIFF chunk
148          as child of our '3LS ' list chunk on Instrument level.
149        - Fixed undefined behaviour when modifying script slots on an instrument
150          that had been cloned and not been saved yet (e.g. unintended modification
151          of original instrument's script slots, and crash on Instrument destruction
152          due to double free of pScriptRefs).
153    
154      * src/Serialization.cpp, src/Serialization.h:
155        - Fixed broken Archive(RawData) constructor which always threw an
156          Exception.
157        - Added built-in support for C++ String objects (a.k.a. std::string
158          from the STL) and bumped Srx format version to 1.1 for that reason.
159        - Fixed assertion fault on some systems if a member variable defined was
160          serialized which was declared as size_t or ssize_t data type.
161        - Added new method Archive::operation() which allows applications to
162          distinguish between serialization vs. deserialization in their
163          serialize() method implementations.
164        - Added built-in support for C++ Array<> objects (a.k.a. std::vector from
165          the STL).
166        - Member offsets are now signed and for (newly added support of) member
167          variables on the heap -1 is always used as offset instead.
168        - Added built-in support for C++ Set<> objects (a.k.a. std::set from the
169          STL).
170        - DataType: Added optional 2nd custom type name.
171        - Added built-in support for C++ Map<> objects (a.k.a. std::map from the
172          STL).
173    
174      * src/helper.h:
175        - Fix compile error with GCC 9 due to ignored result value of vasprintf()
176          function call.
177    
178      * src/tools/gigdump.cpp:
179        - Print dimension region properties LFO1WaveForm, LFO2WaveForm,
180          LFO3WaveForm, LFO1Phase, LFO2Phase, LFO3Phase, LFO1FlipPhase,
181          LFO2FlipPhase and LFO3FlipPhase.
182    
183    Version 4.2.0 (25 Jul 2019)
184    
185      * general changes:
186        - Added MSVC build support (anonymous patch from mailing list).
187        - Introduced CMake build support (yet constrained for building with MSVC)
188          (anonymous patch from mailing list).
189        - Fix: Don't automatically delete RIFF chunks from DLS/gig classes'
190          destructors. Added new virtual method DeleteChunks() to those classes
191          for this which must be explicitly called instead to remove their RIFF
192          chunks.
193        - Fix: Many methods of DLS/gig classes assumed a RIFF chunk read position
194          of zero; which is unsafe per se.
195        - Added C++11 "override" keyword where appropriate.
196        - Fixed crash in RIFF, DLS and gig classes which occurred on certain
197          of their actions when not passing a progress_t callback structure.
198    
199      * src/gig.cpp, src/gig.h:
200        - Fixed Doxygen API comments for enum types (currently latest Doxygen
201          [v1.8.13] only supports C comments in macro arguments expansion, but
202          not C++ comments; see <FindDefineArgs> lexer rules in src/pre.l of
203          the Doxygen source code, which currently also filter out new line
204          \n chars).
205        - Added new method File::CountSamples().
206        - Added new method File::CountInstruments().
207        - Fixed gig v4 files falsely being handled as v2 format
208          (patch by Ivan Maguidhir).
209        - Added gig v4 version identifier (File::VERSION_4).
210        - GIG FORMAT EXTENSION: Added attribute
211          DimensionRegion::SustainReleaseTrigger which allows to define whether
212          a sustain pedal up event shall cause a release trigger sample to be
213          played (default: don't play release trigger sample by sustain pedal).
214        - GIG FORMAT EXTENSION: Added attribute
215          DimensionRegion::NoNoteOffReleaseTrigger which allows to disable the
216          regular behaviour of playing release trigger sample on MIDI note-off
217          events.
218        - Introduced support for writing extension files (.gx01, .gx02, ...)
219          (original patch by Ivan Maguidhir).
220        - Many gig classes derive now from DLS::Storage (see DLS changes below).
221        - Added File::GetRiffFile() method.
222    
223      * src/DLS.cpp, src/DLS.h:
224        - File: Fixed implicitly allocated RIFF::File object never been freed.
225        - Added new abstract interface base class DLS::Storage which is derived by
226          the respective classes for implementing (the old) UpdateChunks() and the
227          new DeleteChunks() method.
228        - Added File::GetRiffFile() method.
229    
230      * src/sf2.cpp, src/sf2.h:
231        - Added Sample::GetFile() method.
232        - Added File::GetRiffFile() method.
233    
234      * src/Serialization.cpp, src/Serialization.h:
235        - Hide pure internal declarations from header file to avoid numerous
236          compiler warnings when building and linking against the public API.
237        - Fixed comparision logic bug
238        - Fixed memory leak in DataType::customTypeName().
239    
240      * src/RIFF.cpp, src/RIFF.h:
241        - Fix: Calling File::SetMode() left an undefined file handle on Windows and
242          caused a resource leak
243        - Avoid compiler warning when building for 32 bit windows.
244        - Added new method progress_t::subdivide().
245        - Fix: API doc comment for Chunk::GetFilePos() was completely wrong.
246        - progress_t: Added a 2nd (overridden) progress_t::subdivide() method which
247          allows a more fine graded control into which portions the subtasks are
248          divided to.
249    
250      * src/tools/gigdump.cpp:
251        - Added command line option --instrument-names which causes only
252          instrument names and their index numbers to be printed.
253    
254    Version 4.1.0 (25 Nov 2017)
255      * general changes:
256        - removed 2 GB limitation when loading a gig or DLS file
257        - using now native integer size where appropriate
258        - fixed minor issues with man pages (patch by Debian maintainer)
259        - fixed various spelling mistakes (patch by Debian maintainer)
260        - Added new "Serialization" framework (and equally named namespace)
261          which allows to serialize and deserialize native C++ objects
262          in a portable, easy and flexible way.
263        - print compiler warning if no RTTI available
264        - Fixed potential crash in command line tools gig2stereo, korg2gig,
265          korgdump and sf2extract.
266        - Fixed CVE-2017-12950, CVE-2017-12952, CVE-2017-12953
267          (original patch by Paul Brossier, slightly modified).
268        - Debian: Fixed packaging error about invalid substitution variable
269          "Source-Version".
270        - Raised Debian compatibility level to Debian 9 "Stretch".
271    
272      * src/gig.cpp, src/gig.h:
273        - fixed bug in Script::SetGroup: the script chunk wasn't moved
274        - fixed compilation error with clang 3.4
275        - GIG FORMAT EXTENSION: added support for saving gig file larger than 4 GB
276          as one single monolithic gig file. In case .gig file is >= 2GB expect a
277          large monolithic file, otherwise if .gig file is < 2 GB check for
278          "extension" files (.gx01, .gx02, ...) instead.
279        - fixed Region::UpdateUpdateVelocityTable() which did not work correctly
280          if there were dimensions after the velocity dimension: it only created
281          valid velocity tables for cases of dimensions lower than the velocity
282          dimension.
283        - added new method Sample::VerifyWaveData() which allows to check whether
284          a sample had been damaged for some reason
285        - Fix: samples' CRC checksums were damaged on file structure changes.
286        - Fix: samples' CRC checksums were misordered when a Sample was deleted.
287        - Added new method Sample::GetWaveDataCRC32Checksum().
288        - Changed default value of EG2Release (filter release time) to 60s.
289        - Instruments' default pitch bend range is now +-2 semi tones.
290        - Fixed CRC checksums being wrong sometimes.
291        - Fix: method File::AddContentOf() did not clone script groups and scripts
292          of passed original file.
293        - Added support for serializing & deserializing DimensionRegion
294          objects (and crossfade_t and leverage_ctrl_t objects).
295        - Added enum reflection API functions for retrieving enum declaration type
296          information at runtime (enumCount(), enumKey(), enumKeys(), enumValue()).
297        - Exception class now has a variadic constructor which allows to add
298          textual format specifiers like with printf().
299        - On unknown leverage controller exception: show precise unknown leverage
300          controller number found.
301        - Ignore invalid leverage controller types and just show a warning on the
302          console instead of throwing an exception.
303        - Added new struct eg_opt_t and new class member variable
304          DimensionRegion::EG1Options and DimensionRegion::EG2Options as an
305          extension to the gig file format, which allows to override the default
306          behavior of the first two EGs' state machines.
307        - Fixed undefined behavior when loading a gig file with invalid
308          velocity curve parameters (fixes CVE-2017-12951).
309        - Fixed undefined behavior when loading a gig file with invalid wave
310          pool index number (fixes CVE-2017-12954).
311    
312      * src/DLS.cpp, src/DLS.h:
313        - Sample: wave pool offsets are now 64 bits (to allow support for files
314          larger than 4 GB).
315        - Exception class now has a variadic constructor which allows to add
316          textual format specifiers like with printf().
317    
318      * src/RIFF.cpp, src/RIFF.h:
319        - added support for RIFF files larger than 4 GB, by default the required
320          internal RIFF file offset size is automatically detected (that is RIFF
321          files < 4 GB automatically use 32 bit offsets while files >= 4 GB
322          automatically use 64 bit offsets), a particular offset size can be forced
323          with a new option added to the RIFF File constructor though
324        - when saving a modified, grown RIFF file, the temporary file size during
325          Save() operation will no longer be larger than the final grown file size
326        - Exception class now has a variadic constructor which allows to add
327          textual format specifiers like with printf().
328    
329      * src/Serialization.cpp, src/Serialization.h:
330        - Archive: Added method isModified().
331        - Archive: Added method setAutoValue().
332        - Archive: Added method setIntValue().
333        - Archive: Added method setRealValue().
334        - Archive: Added method setBoolValue().
335        - Archive: Added method setEnumValue().
336        - Archive: Added method valueAsString().
337        - Archive::rawData(): Automatically re-encode new raw data stream if
338          archive had been modified (i.e. by remove(), setAutoValue(), etc.).
339        - Object: Added method memberByUID().
340        - Object: remove() method is now protected.
341        - Archive: Added method removeMember().
342        - Archive: Added methods name() and setName().
343        - Archive: Added methods comment() and setComment().
344        - Archive: Added methods timeStampCreated(), timeStampModified(),
345          dateTimeCreated() and dateTimeModified().
346        - Archive: Added methods valueAsInt(), valueAsReal() and valueAsBool().
347        - DataType: Implemented demangling C++ type names (for methods
348          asLongDescr() and customTypeName(bool demangle=false)).
349        - Archive::setAutoValue(): Handle human readable boolean text
350          representations like "yes", "no", "true", "false" as expected.
351        - Exception class now has a variadic constructor which allows to add
352          textual format specifiers like with printf().
353        - DataType fix: Retain backward compatibility to older versions of native
354          C++ classes/structs.
355    
356      * src/Akai.cpp:
357        - Fixed compilation error with recent, more strict compilers.
358    
359      * src/tools/akaidump.cpp, src/tools/akaiextract.cpp:
360        - improved output of non-ascii characters in usage messages
361        - fixed printf format strings
362    
363      * src/tools/korg2gig.cpp:
364        - fixed c++11 narrowing warnings
365        - fixed fine tuning which was not translated at all
366    
367      * src/tools/gigdump.cpp:
368        - additionally print VelocityUpperLimit and DimensionUpperLimits of all
369          dimension regions
370        - additionally print RIFF chunk file offset and RIFF chunk size of sample
371          data
372        - added and implemented new parameter "--verify" which allows to check
373          the raw wave form data integrity of all samples
374        - added and implemented new parameter "--rebuild-checksums" which allows
375          to recalculate the CRC32 checksum of all samples' raw wave data and
376          rebuilding the gig file's global checksum table (i.e. in case the
377          file's checksum table was damaged)
378        - print samples' CRC32 checksums
379        - Print the new EG behavior options (eg_opt_t).
380    
381      * src/tools/gigextract.cpp:
382        - Fix: if sample name contains a path separator (slash or backslash) then
383          replace them by a minus sign to avoid file system issues.
384    
385      * src/tools/gig2stereo.cpp:
386        - Also merge mono sample pairs with non matching loop information if
387          argument --incompatible was given.
388    
389      * packaging changes:
390        - Automake: set environment variable GCC_COLORS=auto to allow GCC to
391          auto detect whether it (sh/c)ould output its messages in color.
392    
393    Version 4.0.0 (14 Jul 2015)
394      * general changes:
395        - minor Makefile fix for parallel make
396        - Mac OS X: link with CoreFoundation (for the UUID function)
397        - removed gcc 4.7 warnings
398        - modernized configure script
399        - removed usage of deprecated Automake variable INCLUDES
400        - added new command line tool "gigmerge"
401        - added "const" keyword to several methods
402        - added new command line tool "gig2mono"
403        - added man page for "sf2dump"
404        - added new command line tool "korgdump" (and a man page for it)
405        - added new command line tool "korg2gig" (and a man page for it)
406        - moved source files of command line tools to new subdir src/tools
407        - libgig.so and libakai.so files are now installed under
408          $(prefix)/lib/libgig/ by default.
409        - Header files are now installed under $(prefix)/include/libgig/ by default.
410        - Fixed various packaging issues regarding installation directories
411          (fixes #218).
412        - added new command line tool "gig2stereo" (and a man page for it)
413        - unit tests: fixed wrong return value when test suite app exits
414          (patch by Ryan Schmidt)
415        - added new command line tool "sf2extract" (and a man page for it)
416    
417      * SoundFont file format:
418        - initial implementation
419        - changed region lookup API to avoid malloc in RT threads
420        - fixed GetEG1Sustain which didn't return correct value
421        - bugfix: GetPan always returned -1, 0 or 1
422    
423      * KORG file format:
424        - initial support for sample based instruments in KORG's file format
425          (.KMP and .KSF files)
426    
427      * AKAI file format:
428        - Added Linux/POSIX ported version of libakai. Note that libakai is released
429          under LGPL terms while libgig is released under GPL terms. To handle this
430          license difference appropriately the AKAI support part is built as
431          separate DLL (.so file).
432        - Fixed Mac OSX support so that the Akai lib files and tools compile without
433          any exotic third party libraries.
434        - Fixed various compilation errors for Windows.
435        - POSIX fix: open() requires third (mode) argument if used with O_CREAT
436          (fixes #219).
437    
438      * src/gig.cpp:
439        - bugfix: VCF velocity dynamic range and VCF velocity curve
440          weren't saved correctly
441        - implemented File::AddDuplicateInstrument()
442        - bugfix: negative EG3 depth values were not correctly parsed or
443          saved
444        - added write support for CtrlTrigger midi rule
445        - added read and write support for Legato and Alternator midi
446          rules
447        - bugfix: sample groups were sometimes created multiple times or with
448          wrong textual group name
449        - added new method File::AddContentOf() for merging .gig files
450        - GIG FORMAT EXTENSION: added additional MIDI controllers for leverage
451          controller types (only works with LinuxSampler & gigedit, will not
452          work with Gigasampler/GigaStudio)
453        - added new method File::GetGroup(String name) for getting group by name
454        - added new method Region::GetDimensionDefinition(dimension_t type)
455        - bugfix: don't alter region pointer in DimensionRegion::CopyAssign()
456        - added some more sanity checks in Region::AddDimension()
457        - added new method Region::DeleteDimensionZone(dimension_t, int)
458        - added new method Region::SplitDimensionZone(dimension_t, int)
459        - Fixed crash caused by Region::GetDimensionRegionByValue() that happened
460          with certain velocity split sounds under certain conditions (added bound
461          constraints to prevent that)
462        - GIG FORMAT EXTENSION: added support for real-time instrument scripts.
463        - added new method Region::GetDimensionRegionIndexByValue()
464        - added new method Script::GetGroup()
465        - added new method Region::SetDimensionType()
466        - Added support for custom progress notification while saving to gig file.
467        - Bugfix: Adding a new region in between two existing regions caused the
468          new one being dropped after save operation and the gig file being tainted
469          (chunks at wrong location in the RIFF tree).
470        - Added new method Instrument::MoveTo() which allows to rearrange the order
471          of instruments within the same gig file.
472    
473      * src/DLS.cpp, src/DLS.h:
474        - added new method File::GetFileName()
475        - fixed minor "memory leak on exception" bug found with cppcheck
476        - added new method File::GetExtensionFile(int index)
477        - added new method File::SetFileName() allowing to call File::Save()
478          later on without passing a file name
479        - added inline helper methods overlaps() for struct range_t
480        - Added support for custom progress notification while saving to DLS file.
481        - Bugfix: Adding a new region in between two existing regions caused the
482          new one being dropped after save operation and the gig file being tainted
483          (chunks at wrong location in the RIFF tree).
484    
485      * src/SF.cpp, src/SF.h:
486        - added new method Sample::ReadNoClear()
487    
488      * src/RIFF.cpp, src/RIFF.h:
489        - bugfix: avoid calling read() with count 0 when writing a file,
490          as this may hang on some systems
491        - fixed memory leak and memory handling errors when file loading
492          fails
493        - added new method Chunk::ReadString
494        - added new method File::SetFileName() allowing to call File::Save()
495          later on without passing a file name
496        - added new method File::IsNew()
497        - added support for loading RIFF-like files with a bit different layout
498          than "real" RIFF files (used for KORG format support)
499        - added new method Chunk::GetFile()
500        - added new method Chunk::GetLayout()
501        - added 2nd, alternative method for List::MoveSubChunk(), the old 1st one
502          allows to move a subchunk within the current List, whereas the new 2nd
503          one allows to move the subchunk from the current list to another list
504        - POSIX: only assume -1 result value as error on open() calls
505        - POSIX: show operating system's error reason if opening a file failed
506        - Added support for custom progress notification while saving to RIFF file.
507        - Fixed embarrassing old bug: POSIX read() errors were never detected on
508          Chunk::Read() calls due to signment incompatible variable.
509        - Cleanup of an old DLL binary backward compatibility hack.
510    
511      * src/gigextract.cpp:
512        - export sample loop, unity note and fine tune with libsndfile
513    
514      * src/riftree.cpp:
515        - added more command line options for being able to also dump other kind
516          of file formats similar but not equal to the RIFF format
517    
518    Version 3.3.0 (30 Jul 2009)
519    
520      * general changes:
521        - fixed compilation with gcc 4.3
522        - fixes for building with Visual C++
523        - minor fix in configure for building DLL on Windows
524    
525      * src/gig.cpp, src/gig.h:
526        - added partial support for MIDI rules, only the Controller
527          Triggered rule is supported so far
528        - bugfix: removed another iterator invalidation in DeleteSample
529        - bugfix in Sample::LoadSampleData*(): reset sample read position to
530          sample start before trying to (re)load sample data from file (#82)
531        - bugfix: EG3 depth parameter was not saved correctly
532        - fixed crash which occured when streaming a gig sample with
533          bi-directional (a.k.a. 'pingpong') loop type (fixes #102)
534    
535      * src/RIFF.cpp, src/RIFF.h:
536        - bugfix: saving to the same file after the file size had been
537          increased made the file corrupt (#82)
538        - bugfix: refuse Chunk::Read() in case chunk has just been added, that
539          is not written physically yet (#82)
540        - bugfix: saving to the same file after the file size had been
541          decreased sometimes also made the file corrupt!
542        - bugfix: undefined behavior (e.g. endless loop) when opening zero
543          length files, now throws a RIFF::Exception instead (fixes bug #121)
544        - bugfix: destructor for base class RIFF::Chunk accessed members
545          of derived class RIFF::File, which is bad, and caused crashes
546          when using Visual C++
547        - bugfix: files that contain zero length RIFF lists were not read
548          correctly (fixes #127) (bug was introduced 2009-03-13)
549    
550    Version 3.2.1 (5 Dec 2007)
551    
552      * src/RIFF.cpp, src/RIFF.h:
553        - avoid Windows to perform unnecessary file stream caching which would
554          decrease disk streaming performance on Windows systems otherwise
555    
556      * src/gig.cpp, src/gig.h:
557        - added File::SetAutoLoad() and File::GetAutoLoad() for allowing
558          applications to retrieve very superficial informations like amount of
559          instruments and their names in a very fast way
560    
561    Version 3.2.0 (14 Oct 2007)
562    
563      * packaging changes:
564        - added Mac OSX XCode project files (patch by Toshi Nagata)
565        - Dev-C++ (win32) project file is automatically updated with
566          the version info from configure.in
567        - the configure script can now be used in Windows with MSYS
568        - added a mainpage for the Doxygen API documentation
569    
570      * src/DLS.cpp, src/DLS.h:
571        - added Sampler::AddSampleLoop() and Sampler::DeleteSampleLoop() methods
572        - fixed write support for big-endian systems
573        - improved handling of fixed length info strings - separate default
574          lengths can be specified for each INFO chunk
575        - added Resource::GenerateDLSID function
576        - write support fix: allow regions without mapped samples
577        - added method SetKeyRange() to the Region class which should be used
578          instead of setting the KeyRange member variable directly
579        - MoveRegion() method of Region class is now private
580        - added SetGain() method to Sampler class
581        - fixed crash when saving a file after a sample loop was added
582    
583      * src/gig.cpp, src/gig.h:
584        - fixed segmentation fault in the gig::File destructor sequence which
585          happened when gig::Group informations were accessed before
586        - fixed write support for big-endian systems
587        - defined lengths of a fixed set of info strings. These strings
588          are saved when the file is written, even if they are empty.
589        - added missing parameter initalizations in sample, region and
590          instrument constructors
591        - clear unused fields when saving samples and regions
592        - fixed write support bugs: v3 dimension limits and chunksize
593          weren't saved, leverage controller of type controlchange
594          couldn't be saved, group name list chunk was placed wrong,
595          dimension region chunks also placed wrong
596        - added initialization of some fixed info strings in file and
597          instrument
598        - write support: files created by libgig will now have the RIFF
599          chunks in correct order
600        - write support: two previously unknown fields in dimension
601          definition are now saved
602        - added constants for gig file versions
603        - write support: the 3crc and einf chunks are now created or
604          updated when a file is saved (3crc contains sample checksums,
605          einf contains file statistics)
606        - write support: DLSID is now generated on the file and the
607          instruments
608        - write support: improved the default values for dimension region
609          parameters
610        - more write support fixes: crossfade parameters were not saved,
611          v3 dimension limits were not correctly initialized and saved
612          when dimensions were added or deleted, v3 wave pool offsets were
613          not saved correctly
614        - write support: 24 bit samples can now be written
615        - write support: version 3 is now the default for new files
616        - more write support fixes: the 3ewg chunk is now bigger for v3,
617          dimension regions without mapped samples are now allowed, 3gnl
618          list in v3 files now always has 128 entries, several parameters
619          where incorrectly saved due to an operator precedence mistake
620        - DeleteSample now removes all references to the deleted sample
621        - AddDimension now copies all parameters from existing dimension
622          regions and also makes sure that the samplechannel dimension is
623          placed first in the list of dimensions.
624        - added method GetParent() to class 'DimensionRegion', which returns its
625          parent Region
626        - fixed Instrument::UpdateRegionKeyTable() method which did not reset
627          unused areas
628        - added various setter methods to DimensionRegion class which take care
629          of updating lookup tables / caches.
630    
631      * src/RIFF.cpp, src/RIFF.h:
632        - added File::SetByteOrder method
633        - Windows fix: saving a new file didn't work
634    
635      * src/gigdump.cpp:
636        - added some missing dimension strings
637    
638    Version 3.1.1 (24 Mar 2007)
639    
640      * packaging changes:
641        - ported to Windows using native Windows functions for file IO
642          (provided Dev-C++ + mingw project file)
643        - only export relevant files to Doxygen API documentation
644    
645      * src/gig.cpp, src/gig.h:
646        - custom velocity splits now works for gig v3 files too
647        - added support for custom splits points for other dimensions than
648          velocity (gig v3 feature)
649        - added "smart midi" and "round robin keyboard" dimensions
650        - added new method File::DeleteGroupOnly() which only deletes the given
651          group but moves all its members to another group, the other method,
652          that is File::DeleteGroup() now removes not just the group, but also
653          all the samples that belong to that group
654        - fixed crash which occured on interfering File::DeleteSample() and
655          File::GetNextSample() calls (due to iterator invalidation)
656        - fixed group names which were not saved
657        - fixed group destructor which did not remove the RIFF chunk associated
658          with the group
659        - added Instrument::MoveRegion method
660        - fixed constructor for Region, which did not initialize correctly
661          when used from Instrument::AddRegion
662        - when saving, override the gig::Regions sample reference simply by
663          the region's first dimension region's sample (avoids an exception
664          when trying to save a new instrument)
665        - fixed AddDimension() method which did not fill out all mandatory
666          dimension definition fields
667    
668      * src/DLS.cpp, src/DLS.h:
669        - added Instrument::MoveRegion method
670        - fixed software info field which was wrongly stored on instruments,
671          causing an exception when trying to save a new instrument
672    
673      * src/RIFF.cpp, src/RIFF.h:
674        - fixed RIFF::Chunk destructor which did not unregister previously
675          resized chunks, leading to a "zero size chunk" exception when
676          File::Save() was called
677        - added List::MoveSubChunk method
678    
679    Version 3.1.0 (24 Nov 2006)
680    
681      * packaging changes:
682        - changed deprecated copyright attribute to license;
683          added ldconfig to post-(un)install steps on libgig.spec (RPM)
684    
685      * src/gig.cpp, src/gig.h:
686        - added support for more than one set of custom velocity splits
687          inside a region (for example different velocity split levels for
688          pedal up and pedal down)
689        - sample loop parameters are now taken from the DimensionRegion
690          instead of the wave chunk
691        - keyswitching dimension is changed from split type "normal" to
692          "bit"
693        - real support for 24 bit samples - samples are not truncated to
694          16 bits anymore
695        - support for reading of ".art" files. (Merging of .art and .gig
696          files are not implemented yet.)
697        - several fixes for the write support
698        - support for sample groups added
699    
700      * src/DLS.cpp, src/DLS.h:
701        - support for reading of ".art" files
702        - removed incorrect use of memccpy in the write support (patch by
703          Jeremy Kerr)
704        - several fixes for the write support
705    
706      * src/gigextract.cpp:
707        - real support for 24 bit samples
708    
709      * src/gigdump.cpp:
710        - print global file informations
711        - print sample groups
712    
713      * general changes:
714        - added CPPUnit test cases (at the moment primarily for automatic check
715          of Gigasampler write support)
716    
717    Version 3.0.0 (28 Apr 2006)
718    
719      * general changes:
720        - added write support (that is for creating and modifying RIFF, DLS and
721          gig files)
722        - loading DLS and gig files is now much more permissive, DLS and gig
723          files are now loaded even if mandatory RIFF chunks are missing
724        - fixed some memory management errors, one of them was causing a
725          crash when a multi-file gig was deallocated
726    
727      * src/gig.cpp, src/gig.h:
728        - fixed the GetVelocityCutoff function, it wasn't always using the
729          VCFVelocityScale parameter when no cutoff controller was defined
730        - support for the gig v3 feature to have a number of dimension
731          splits not equal to a power of two
732        - added write support (highly experimental)
733    
734      * src/DLS.cpp, src/DLS.h:
735        - fixed loading of Articulation Connections (<artl> list chunks were
736          seeked instead of ordinary <artl> data chunks)
737        - added write support (highly experimental)
738    
739      * src/RIFF.cpp, src/RIFF.h:
740        - added write support
741        - Chunk::LoadChunkData() can now be called again to resize the buffer
742          after a Chunk::Resize() and before the File::Save() call to allow
743          placing the new data in the chunk's write buffer and perform the
744          resize and write operations in one rush
745    
746      * src/gigdump.cpp:
747        - fixed to show the correct amount of dimension regions instead of 32
748          (patch by James Wylder)
749    
750      * src/dlsdump.cpp:
751        - show for every region the name of the referenced sample
752        - show file name in quotation marks
753    
754    Version 2.0.2 (15 Aug 2005)
755    
756      * packaging changes:
757        - require automake (>= 1.5) for 'make -f Makefile.cvs'
758          (mandatory for 'dist-bzip2' automake option)
759    
760      * src/gig.cpp, src/gig.h:
761        - support for gig v3 multi-file format (.gig, .gx01, .gx02, ...),
762          the extension files are read automatically when the samples are
763          loaded
764        - fixed the 24 bit decompression, the result should now be exact
765          instead of an approximation
766        - added VCFCutoffControllerInvert parameter and GetVelocityCutoff
767          function to DimensionRegion
768    
769      * src/DLS.cpp, src/DLS.h:
770        - the upper bits of the pool table indices are read (used as
771          extension file numbers for gig v3)
772    
773      * src/RIFF.cpp, src/RIFF.h:
774        - the file name is remembered in the RIFF::File object
775    
776    Version 2.0.1 (12 Jun 2005)
777    
778      * packaging changes:
779        - include debian/ directory on 'make dist'
780        - create a bzip2 tarball on 'make dist'
781    
782      * src/gigextract.cpp:
783        - show also version of libsndfile or build version of libaudiofile when
784          using the -v switch
785        - fixed mutual link dependency to libsndfile / libaudiofile
786    
787      * src/gig.cpp, src/gig.h:
788        - added DimensionRegion::GetVelocityRelease function
789    
790    Version 2.0.0 (9 May 2005)
791    
792      * packaging changes:
793        - fixed conditional linkage of either libsndfile or libaudiofile
794          (if none of the two exist, configure script will abort)
795        - man pages are now auto generated with the correct libgig version
796    
797      * src/gig.cpp, src/gig.h:
798        - experimental support for Gigasampler v3 format;
799          64 bit file offsets are truncated to 32 bit, 24 bit samples are
800          truncated to 16 bit, up to 8 dimensions are read, additional
801          articulation informations are ignored at the moment
802          (patch by Andreas Persson)
803        - added some file format compatibility checks
804        - fixed vcf_type_lowpassturbo value (vcf_type_lowpassturbo was actually
805          never used, because the necessary check was made before
806          initialization)
807        - fixed crossfade points order (structure for big endian and little
808          endian systems was interchanged)
809        - fixed some memory leaks (patch by 'Gene', a.k.a Anders Alm)
810        - fixed crash which occured when patches did not have a sample assigned
811          to their region or dimension region (patch by Andreas Persson)
812        - support for compressed mono samples
813        - experimental support for compressed 24 bit samples
814        - fixed decompression on big-endian CPUs
815        - fixed decompression bug that truncated the last block of samples
816        - external decompression buffers can now be used for streaming samples
817          to avoid race conditions in case of multiple streaming threads
818        - added pre-calculated sample attenuation parameter
819        - added v3 "random" and "round robin" dimensions
820        - implemented progress indicator callback mechanism for loading
821          instruments and samples
822        - added functions libraryName() and libraryVersion()
823    
824      * src/DLS.cpp, src/DLS.h:
825        - fixed File constructor which caused variable File::Instruments always
826          to be zero
827        - added functions libraryName() and libraryVersion()
828    
829      * src/RIFF.cpp, src/RIFF.h:
830        - fixed method List::LoadSubChunks() which did not restore the original
831          position within the body of the given list chunk
832        - added functions libraryName() and libraryVersion()
833    
834      * src/rifftree.cpp:
835        - added command line switch -v to show rifftree's revision and the used
836          libgig version
837    
838      * src/dlsdump.cpp:
839        - added command line switch -v to show dlsdump's revision and the used
840          libgig version
841    
842      * src/gigdump.cpp:
843        - added output of UnityNote, FineTune, Gain, SampleStartOffset an
844          LoopPlayCount
845        - added command line switch -v to show gigdump's revision and the used
846          libgig version
847    
848      * src/gigextract.cpp:
849        - support for compressed mono samples and compressed 24 bit samples
850        - added command line switch -v to show gigextract's revision and the
851          used libgig version
852    
853    Version 1.0.0 (26 Nov 2004)
854    
855    * packaging changes:    * packaging changes:
856      - 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
857        'libgig' -> 'gig' as it's common practice to omit the 'lib' prefix        'libgig' -> 'gig' as it's common practice to omit the 'lib' prefix
858        - fixed man pages automake install rule (which didn't work on Mandrake,
859          SuSE and Fedora)
860        - fixed generation of Doxygen API documentation (now also included in
861          RPM and Debian packages)
862    
863      * src/gig.cpp, src/gig.h:
864        - fixed / improved accuracy of all three velocity to volume
865          transformation functions a.k.a. 'nonlinear','linear','special'
866          (patch by Andreas Persson)
867        - denormals are filtered from the velocity to volume tables
868        - bugfix for dimension region switching (wrong handling of the release
869          trigger dimension, no bit range check for dimensions of split type
870          'split_type_bit')
871        - fixed panorama value in DimensionRegion (invalid conversion from
872          signed 7 bit to signed 8 bit)
873        - added class attribute 'Layers' to class 'gig::Region'
874        - symbol prototyping of gig::Region (fixes build failure with qsampler)
875    
876      * src/gigextract.cpp:
877        - added support for libsndfile (if libaudiofile and libsndfile are
878          available then libsndfile is preferred)
879    
880      * src/gigdump.cpp:
881        - added printout for dimension informations (amount, type, bits, zones)
882        - added printout for velocity response curve parameters
883        - added printout for crossfade definitions
884        - added printout for panorama value for each DimensionRegion
885        - replaced printout of DLS Region layer by printout of amount of
886          Gigasampler layers
887    
888  Version 0.7.1 (2 Jul 2004)  Version 0.7.1 (2 Jul 2004)
889    

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