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Revision 3976 - (show annotations) (download)
Mon Jul 19 14:26:16 2021 UTC (2 years, 8 months ago) by schoenebeck
File size: 46733 byte(s)
* DLS: Fixed iterator invalidation (i.e. crash) caused by adding /
  removing / moving regions (only triggered if now deprecated
  File::GetFirstRegion() / File::GetNextRegion() methods were still used).

1 Version SVN trunk (?)
2
3 * src/gig.cpp, src/gig.h:
4 - Region::DeleteDimensionZone(): Fix clang sanatizer warning.
5 - Region::SplitDimensionZone(): Fix clang sanatizer warning.
6 - Sample: Fix unnecessary RAM consumption in case of 24 bit samples
7 (InternalDecompressionBuffer is no longer needed for 24 bit samples since
8 SVN r902 / libgig release 3.1.0).
9 - Use GetSubChunkAt() instead of GetFirstSubChunk() / GetNextSubChunk() in
10 entire gig.cpp file.
11 - Use GetSubListAt() instead of GetFirstSubList() / GetNextSubList() in
12 entire gig.cpp file.
13 - Added method Instrument::GetRegionAt().
14 - Marked methods Instrument::GetFirstRegion() and
15 Instrument::GetNextRegion() as deprecated.
16 - Use GetRegionAt() instead of GetFirstRegion() / GetNextRegion() in entire
17 gig.cpp file.
18 - Changed signature of method File::GetSample(uint) to
19 File::GetSample(size_t,progress_t*).
20 - Marked methods File::GetFirstSample() and File::GetNextSample() as
21 deprecated.
22 - Use File::GetSample() instead of File::GetFirstSample() /
23 File::GetNextSample() in entire gig.cpp file.
24 - Added method Group::GetSample().
25 - Marked methods Group::GetFirstSample() and Group::GetNextSample() as
26 deprecated.
27 - 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 - Changed signature of method
75 Instrument::UnsetScriptPatchVariable(int,String) to
76 Instrument::UnsetScriptPatchVariable(ssize_t,String).
77 - Fixed iterator invalidation (i.e. crash) caused by adding / removing
78 samples (only triggered if now deprecated File::GetFirstSample() /
79 File::GetNextSample() methods were still used).
80 - Fixed Sample::Write() method not having updated sample's CRC (correctly)
81 if sample was previously resized.
82
83 * src/SF.cpp, src/SF.h:
84 - File::DeleteInstrument(): Fix clang sanatizer warning.
85
86 * src/DLS.cpp, src/DLS.h:
87 - Use GetSubChunkAt() instead of GetFirstSubChunk() / GetNextSubChunk() in
88 entire DLS.cpp file.
89 - Use GetSubListAt() instead of GetFirstSubList() / GetNextSubList() in
90 entire DLS.cpp file.
91 - Added method Instrument::GetRegionAt().
92 - Marked methods Instrument::GetFirstRegion() and
93 Instrument::GetNextRegion() as deprecated.
94 - Use GetRegionAt() instead of GetFirstRegion() / GetNextRegion() in entire
95 DLS.cpp file.
96 - Added method File::GetSample().
97 - Marked methods File::GetFirstSample() and File::GetNextSample() as
98 deprecated.
99 - Use File::GetSample() instead of File::GetFirstSample() /
100 File::GetNextSample() in entire DLS.cpp file.
101 - Added method Articulator::GetArticulation().
102 - Marked methods Articulator::GetFirstArticulation() and
103 Articulator::GetNextArticulation() as deprecated.
104 - Added method File::GetInstrument().
105 - Marked methods File::GetFirstInstrument() and File::GetNextInstrument()
106 as deprecated.
107 - Added method Instrument::CountRegions().
108 - Fixed iterator invalidation (i.e. crash) caused by adding / removing
109 samples (only triggered if now deprecated File::GetFirstSample() /
110 File::GetNextSample() methods were still used).
111 - Fixed iterator invalidation (i.e. crash) caused by adding / removing /
112 moving regions (only triggered if now deprecated File::GetFirstRegion() /
113 File::GetNextRegion() methods were still used).
114
115 * src/RIFF.cpp, src/RIFF.h:
116 - Chunk::LoadChunkData(): Fix clang sanatizer warning.
117 - List::LoadSubChunks(): Fix potential garbage data access if reading a
118 RIFF chunk ID failed.
119 - Added methods File::IsIOPerThread() and File::SetIOPerThread(bool); the
120 latter allows to automatically use a separate file I/O stream state for
121 each thread.
122 - Added method List::GetSubChunkAt().
123 - Added method List::GetSubListAt().
124 - Marked methods List::GetFirstSubChunk(), List::GetNextSubChunk(),
125 List::GetFirstSubList() and List::GetNextSubList() as deprecated.
126 - Use GetSubListAt() instead of GetFirstSubList() / GetNextSubList() in
127 entire RIFF.cpp file.
128
129 Version 4.3.0 (9 May 2021)
130
131 * general changes:
132 - Require at least a C++11 compliant compiler.
133 - Require some UUID generating function by underlying system.
134
135 * src/gig.cpp, src/gig.h:
136 - GIG FORMAT EXTENSION: Added attributes DimensionRegion::LFO1WaveForm,
137 DimensionRegion::LFO2WaveForm and DimensionRegion::LFO3WaveForm, which
138 allow to define override LFOs' wave form (e.g. saw or square instead of
139 the default wave form which was always sine in the original
140 Gigasampler/GigaStudio software).
141 - GIG FORMAT EXTENSION: Added attributes DimensionRegion::LFO1Phase,
142 DimensionRegion::LFO2Phase and DimensionRegion::LFO3Phase, which allow to
143 move the start point horizontally of the LFOs' waves (0�� ... 360��).
144 - GIG FORMAT EXTENSION: Added attribute DimensionRegion::LFO3FlipPhase
145 (the original Gigasampler/GigaStudio software only had that flip phase
146 option for LFO1 and LFO2).
147 - Added methods DimensionRegion::UsesAnyGigFormatExtension(),
148 Region::UsesAnyGigFormatExtension(),
149 Instrument::UsesAnyGigFormatExtension() and
150 File::UsesAnyGigFormatExtension() (however only as private methods yet,
151 see comments on methods why).
152 - GIG FORMAT EXTENSION: added LinuxSampler specific filter type
153 implementations to enum vcf_type_t: vcf_type_lowpass_1p,
154 vcf_type_lowpass_2p, vcf_type_lowpass_4p, vcf_type_lowpass_6p,
155 vcf_type_highpass_1p, vcf_type_highpass_2p, vcf_type_highpass_4p,
156 vcf_type_highpass_6p, vcf_type_bandpass_2p, vcf_type_bandreject_2p.
157 - Compatibility fix: GigaStudio always expects 128 '3gnm' RIFF chunks
158 (patch by Ivan Maguidhir).
159 - Compatibility fix: GigaStudio 3 expects '3dnm' and '3ddp' RIFF chunks
160 (original patch by Ivan Maguidhir).
161 - Region::DeleteDimensionZone() and Region::SplitDimensionZone(): Fixed
162 dimensions being in different order after deleting a dimension zone.
163 - Script: Generate a persistent UUID for each script.
164 - GIG FORMAT EXTENSION: Added support for script 'patch' variables and
165 accordingly added new methods to Instrument class:
166 IsScriptPatchVariableSet(), GetScriptPatchVariables(),
167 GetScriptPatchVariable(), SetScriptPatchVariable(),
168 UnsetScriptPatchVariable(); stored persistently as new 'SCPV' RIFF chunk
169 as child of our '3LS ' list chunk on Instrument level.
170 - Fixed undefined behaviour when modifying script slots on an instrument
171 that had been cloned and not been saved yet (e.g. unintended modification
172 of original instrument's script slots, and crash on Instrument destruction
173 due to double free of pScriptRefs).
174
175 * src/Serialization.cpp, src/Serialization.h:
176 - Fixed broken Archive(RawData) constructor which always threw an
177 Exception.
178 - Added built-in support for C++ String objects (a.k.a. std::string
179 from the STL) and bumped Srx format version to 1.1 for that reason.
180 - Fixed assertion fault on some systems if a member variable defined was
181 serialized which was declared as size_t or ssize_t data type.
182 - Added new method Archive::operation() which allows applications to
183 distinguish between serialization vs. deserialization in their
184 serialize() method implementations.
185 - Added built-in support for C++ Array<> objects (a.k.a. std::vector from
186 the STL).
187 - Member offsets are now signed and for (newly added support of) member
188 variables on the heap -1 is always used as offset instead.
189 - Added built-in support for C++ Set<> objects (a.k.a. std::set from the
190 STL).
191 - DataType: Added optional 2nd custom type name.
192 - Added built-in support for C++ Map<> objects (a.k.a. std::map from the
193 STL).
194
195 * src/helper.h:
196 - Fix compile error with GCC 9 due to ignored result value of vasprintf()
197 function call.
198
199 * src/tools/gigdump.cpp:
200 - Print dimension region properties LFO1WaveForm, LFO2WaveForm,
201 LFO3WaveForm, LFO1Phase, LFO2Phase, LFO3Phase, LFO1FlipPhase,
202 LFO2FlipPhase and LFO3FlipPhase.
203
204 Version 4.2.0 (25 Jul 2019)
205
206 * general changes:
207 - Added MSVC build support (anonymous patch from mailing list).
208 - Introduced CMake build support (yet constrained for building with MSVC)
209 (anonymous patch from mailing list).
210 - Fix: Don't automatically delete RIFF chunks from DLS/gig classes'
211 destructors. Added new virtual method DeleteChunks() to those classes
212 for this which must be explicitly called instead to remove their RIFF
213 chunks.
214 - Fix: Many methods of DLS/gig classes assumed a RIFF chunk read position
215 of zero; which is unsafe per se.
216 - Added C++11 "override" keyword where appropriate.
217 - Fixed crash in RIFF, DLS and gig classes which occurred on certain
218 of their actions when not passing a progress_t callback structure.
219
220 * src/gig.cpp, src/gig.h:
221 - Fixed Doxygen API comments for enum types (currently latest Doxygen
222 [v1.8.13] only supports C comments in macro arguments expansion, but
223 not C++ comments; see <FindDefineArgs> lexer rules in src/pre.l of
224 the Doxygen source code, which currently also filter out new line
225 \n chars).
226 - Added new method File::CountSamples().
227 - Added new method File::CountInstruments().
228 - Fixed gig v4 files falsely being handled as v2 format
229 (patch by Ivan Maguidhir).
230 - Added gig v4 version identifier (File::VERSION_4).
231 - GIG FORMAT EXTENSION: Added attribute
232 DimensionRegion::SustainReleaseTrigger which allows to define whether
233 a sustain pedal up event shall cause a release trigger sample to be
234 played (default: don't play release trigger sample by sustain pedal).
235 - GIG FORMAT EXTENSION: Added attribute
236 DimensionRegion::NoNoteOffReleaseTrigger which allows to disable the
237 regular behaviour of playing release trigger sample on MIDI note-off
238 events.
239 - Introduced support for writing extension files (.gx01, .gx02, ...)
240 (original patch by Ivan Maguidhir).
241 - Many gig classes derive now from DLS::Storage (see DLS changes below).
242 - Added File::GetRiffFile() method.
243
244 * src/DLS.cpp, src/DLS.h:
245 - File: Fixed implicitly allocated RIFF::File object never been freed.
246 - Added new abstract interface base class DLS::Storage which is derived by
247 the respective classes for implementing (the old) UpdateChunks() and the
248 new DeleteChunks() method.
249 - Added File::GetRiffFile() method.
250
251 * src/sf2.cpp, src/sf2.h:
252 - Added Sample::GetFile() method.
253 - Added File::GetRiffFile() method.
254
255 * src/Serialization.cpp, src/Serialization.h:
256 - Hide pure internal declarations from header file to avoid numerous
257 compiler warnings when building and linking against the public API.
258 - Fixed comparision logic bug
259 - Fixed memory leak in DataType::customTypeName().
260
261 * src/RIFF.cpp, src/RIFF.h:
262 - Fix: Calling File::SetMode() left an undefined file handle on Windows and
263 caused a resource leak
264 - Avoid compiler warning when building for 32 bit windows.
265 - Added new method progress_t::subdivide().
266 - Fix: API doc comment for Chunk::GetFilePos() was completely wrong.
267 - progress_t: Added a 2nd (overridden) progress_t::subdivide() method which
268 allows a more fine graded control into which portions the subtasks are
269 divided to.
270
271 * src/tools/gigdump.cpp:
272 - Added command line option --instrument-names which causes only
273 instrument names and their index numbers to be printed.
274
275 Version 4.1.0 (25 Nov 2017)
276 * general changes:
277 - removed 2 GB limitation when loading a gig or DLS file
278 - using now native integer size where appropriate
279 - fixed minor issues with man pages (patch by Debian maintainer)
280 - fixed various spelling mistakes (patch by Debian maintainer)
281 - Added new "Serialization" framework (and equally named namespace)
282 which allows to serialize and deserialize native C++ objects
283 in a portable, easy and flexible way.
284 - print compiler warning if no RTTI available
285 - Fixed potential crash in command line tools gig2stereo, korg2gig,
286 korgdump and sf2extract.
287 - Fixed CVE-2017-12950, CVE-2017-12952, CVE-2017-12953
288 (original patch by Paul Brossier, slightly modified).
289 - Debian: Fixed packaging error about invalid substitution variable
290 "Source-Version".
291 - Raised Debian compatibility level to Debian 9 "Stretch".
292
293 * src/gig.cpp, src/gig.h:
294 - fixed bug in Script::SetGroup: the script chunk wasn't moved
295 - fixed compilation error with clang 3.4
296 - GIG FORMAT EXTENSION: added support for saving gig file larger than 4 GB
297 as one single monolithic gig file. In case .gig file is >= 2GB expect a
298 large monolithic file, otherwise if .gig file is < 2 GB check for
299 "extension" files (.gx01, .gx02, ...) instead.
300 - fixed Region::UpdateUpdateVelocityTable() which did not work correctly
301 if there were dimensions after the velocity dimension: it only created
302 valid velocity tables for cases of dimensions lower than the velocity
303 dimension.
304 - added new method Sample::VerifyWaveData() which allows to check whether
305 a sample had been damaged for some reason
306 - Fix: samples' CRC checksums were damaged on file structure changes.
307 - Fix: samples' CRC checksums were misordered when a Sample was deleted.
308 - Added new method Sample::GetWaveDataCRC32Checksum().
309 - Changed default value of EG2Release (filter release time) to 60s.
310 - Instruments' default pitch bend range is now +-2 semi tones.
311 - Fixed CRC checksums being wrong sometimes.
312 - Fix: method File::AddContentOf() did not clone script groups and scripts
313 of passed original file.
314 - Added support for serializing & deserializing DimensionRegion
315 objects (and crossfade_t and leverage_ctrl_t objects).
316 - Added enum reflection API functions for retrieving enum declaration type
317 information at runtime (enumCount(), enumKey(), enumKeys(), enumValue()).
318 - Exception class now has a variadic constructor which allows to add
319 textual format specifiers like with printf().
320 - On unknown leverage controller exception: show precise unknown leverage
321 controller number found.
322 - Ignore invalid leverage controller types and just show a warning on the
323 console instead of throwing an exception.
324 - Added new struct eg_opt_t and new class member variable
325 DimensionRegion::EG1Options and DimensionRegion::EG2Options as an
326 extension to the gig file format, which allows to override the default
327 behavior of the first two EGs' state machines.
328 - Fixed undefined behavior when loading a gig file with invalid
329 velocity curve parameters (fixes CVE-2017-12951).
330 - Fixed undefined behavior when loading a gig file with invalid wave
331 pool index number (fixes CVE-2017-12954).
332
333 * src/DLS.cpp, src/DLS.h:
334 - Sample: wave pool offsets are now 64 bits (to allow support for files
335 larger than 4 GB).
336 - Exception class now has a variadic constructor which allows to add
337 textual format specifiers like with printf().
338
339 * src/RIFF.cpp, src/RIFF.h:
340 - added support for RIFF files larger than 4 GB, by default the required
341 internal RIFF file offset size is automatically detected (that is RIFF
342 files < 4 GB automatically use 32 bit offsets while files >= 4 GB
343 automatically use 64 bit offsets), a particular offset size can be forced
344 with a new option added to the RIFF File constructor though
345 - when saving a modified, grown RIFF file, the temporary file size during
346 Save() operation will no longer be larger than the final grown file size
347 - Exception class now has a variadic constructor which allows to add
348 textual format specifiers like with printf().
349
350 * src/Serialization.cpp, src/Serialization.h:
351 - Archive: Added method isModified().
352 - Archive: Added method setAutoValue().
353 - Archive: Added method setIntValue().
354 - Archive: Added method setRealValue().
355 - Archive: Added method setBoolValue().
356 - Archive: Added method setEnumValue().
357 - Archive: Added method valueAsString().
358 - Archive::rawData(): Automatically re-encode new raw data stream if
359 archive had been modified (i.e. by remove(), setAutoValue(), etc.).
360 - Object: Added method memberByUID().
361 - Object: remove() method is now protected.
362 - Archive: Added method removeMember().
363 - Archive: Added methods name() and setName().
364 - Archive: Added methods comment() and setComment().
365 - Archive: Added methods timeStampCreated(), timeStampModified(),
366 dateTimeCreated() and dateTimeModified().
367 - Archive: Added methods valueAsInt(), valueAsReal() and valueAsBool().
368 - DataType: Implemented demangling C++ type names (for methods
369 asLongDescr() and customTypeName(bool demangle=false)).
370 - Archive::setAutoValue(): Handle human readable boolean text
371 representations like "yes", "no", "true", "false" as expected.
372 - Exception class now has a variadic constructor which allows to add
373 textual format specifiers like with printf().
374 - DataType fix: Retain backward compatibility to older versions of native
375 C++ classes/structs.
376
377 * src/Akai.cpp:
378 - Fixed compilation error with recent, more strict compilers.
379
380 * src/tools/akaidump.cpp, src/tools/akaiextract.cpp:
381 - improved output of non-ascii characters in usage messages
382 - fixed printf format strings
383
384 * src/tools/korg2gig.cpp:
385 - fixed c++11 narrowing warnings
386 - fixed fine tuning which was not translated at all
387
388 * src/tools/gigdump.cpp:
389 - additionally print VelocityUpperLimit and DimensionUpperLimits of all
390 dimension regions
391 - additionally print RIFF chunk file offset and RIFF chunk size of sample
392 data
393 - added and implemented new parameter "--verify" which allows to check
394 the raw wave form data integrity of all samples
395 - added and implemented new parameter "--rebuild-checksums" which allows
396 to recalculate the CRC32 checksum of all samples' raw wave data and
397 rebuilding the gig file's global checksum table (i.e. in case the
398 file's checksum table was damaged)
399 - print samples' CRC32 checksums
400 - Print the new EG behavior options (eg_opt_t).
401
402 * src/tools/gigextract.cpp:
403 - Fix: if sample name contains a path separator (slash or backslash) then
404 replace them by a minus sign to avoid file system issues.
405
406 * src/tools/gig2stereo.cpp:
407 - Also merge mono sample pairs with non matching loop information if
408 argument --incompatible was given.
409
410 * packaging changes:
411 - Automake: set environment variable GCC_COLORS=auto to allow GCC to
412 auto detect whether it (sh/c)ould output its messages in color.
413
414 Version 4.0.0 (14 Jul 2015)
415 * general changes:
416 - minor Makefile fix for parallel make
417 - Mac OS X: link with CoreFoundation (for the UUID function)
418 - removed gcc 4.7 warnings
419 - modernized configure script
420 - removed usage of deprecated Automake variable INCLUDES
421 - added new command line tool "gigmerge"
422 - added "const" keyword to several methods
423 - added new command line tool "gig2mono"
424 - added man page for "sf2dump"
425 - added new command line tool "korgdump" (and a man page for it)
426 - added new command line tool "korg2gig" (and a man page for it)
427 - moved source files of command line tools to new subdir src/tools
428 - libgig.so and libakai.so files are now installed under
429 $(prefix)/lib/libgig/ by default.
430 - Header files are now installed under $(prefix)/include/libgig/ by default.
431 - Fixed various packaging issues regarding installation directories
432 (fixes #218).
433 - added new command line tool "gig2stereo" (and a man page for it)
434 - unit tests: fixed wrong return value when test suite app exits
435 (patch by Ryan Schmidt)
436 - added new command line tool "sf2extract" (and a man page for it)
437
438 * SoundFont file format:
439 - initial implementation
440 - changed region lookup API to avoid malloc in RT threads
441 - fixed GetEG1Sustain which didn't return correct value
442 - bugfix: GetPan always returned -1, 0 or 1
443
444 * KORG file format:
445 - initial support for sample based instruments in KORG's file format
446 (.KMP and .KSF files)
447
448 * AKAI file format:
449 - Added Linux/POSIX ported version of libakai. Note that libakai is released
450 under LGPL terms while libgig is released under GPL terms. To handle this
451 license difference appropriately the AKAI support part is built as
452 separate DLL (.so file).
453 - Fixed Mac OSX support so that the Akai lib files and tools compile without
454 any exotic third party libraries.
455 - Fixed various compilation errors for Windows.
456 - POSIX fix: open() requires third (mode) argument if used with O_CREAT
457 (fixes #219).
458
459 * src/gig.cpp:
460 - bugfix: VCF velocity dynamic range and VCF velocity curve
461 weren't saved correctly
462 - implemented File::AddDuplicateInstrument()
463 - bugfix: negative EG3 depth values were not correctly parsed or
464 saved
465 - added write support for CtrlTrigger midi rule
466 - added read and write support for Legato and Alternator midi
467 rules
468 - bugfix: sample groups were sometimes created multiple times or with
469 wrong textual group name
470 - added new method File::AddContentOf() for merging .gig files
471 - GIG FORMAT EXTENSION: added additional MIDI controllers for leverage
472 controller types (only works with LinuxSampler & gigedit, will not
473 work with Gigasampler/GigaStudio)
474 - added new method File::GetGroup(String name) for getting group by name
475 - added new method Region::GetDimensionDefinition(dimension_t type)
476 - bugfix: don't alter region pointer in DimensionRegion::CopyAssign()
477 - added some more sanity checks in Region::AddDimension()
478 - added new method Region::DeleteDimensionZone(dimension_t, int)
479 - added new method Region::SplitDimensionZone(dimension_t, int)
480 - Fixed crash caused by Region::GetDimensionRegionByValue() that happened
481 with certain velocity split sounds under certain conditions (added bound
482 constraints to prevent that)
483 - GIG FORMAT EXTENSION: added support for real-time instrument scripts.
484 - added new method Region::GetDimensionRegionIndexByValue()
485 - added new method Script::GetGroup()
486 - added new method Region::SetDimensionType()
487 - Added support for custom progress notification while saving to gig file.
488 - Bugfix: Adding a new region in between two existing regions caused the
489 new one being dropped after save operation and the gig file being tainted
490 (chunks at wrong location in the RIFF tree).
491 - Added new method Instrument::MoveTo() which allows to rearrange the order
492 of instruments within the same gig file.
493
494 * src/DLS.cpp, src/DLS.h:
495 - added new method File::GetFileName()
496 - fixed minor "memory leak on exception" bug found with cppcheck
497 - added new method File::GetExtensionFile(int index)
498 - added new method File::SetFileName() allowing to call File::Save()
499 later on without passing a file name
500 - added inline helper methods overlaps() for struct range_t
501 - Added support for custom progress notification while saving to DLS file.
502 - Bugfix: Adding a new region in between two existing regions caused the
503 new one being dropped after save operation and the gig file being tainted
504 (chunks at wrong location in the RIFF tree).
505
506 * src/SF.cpp, src/SF.h:
507 - added new method Sample::ReadNoClear()
508
509 * src/RIFF.cpp, src/RIFF.h:
510 - bugfix: avoid calling read() with count 0 when writing a file,
511 as this may hang on some systems
512 - fixed memory leak and memory handling errors when file loading
513 fails
514 - added new method Chunk::ReadString
515 - added new method File::SetFileName() allowing to call File::Save()
516 later on without passing a file name
517 - added new method File::IsNew()
518 - added support for loading RIFF-like files with a bit different layout
519 than "real" RIFF files (used for KORG format support)
520 - added new method Chunk::GetFile()
521 - added new method Chunk::GetLayout()
522 - added 2nd, alternative method for List::MoveSubChunk(), the old 1st one
523 allows to move a subchunk within the current List, whereas the new 2nd
524 one allows to move the subchunk from the current list to another list
525 - POSIX: only assume -1 result value as error on open() calls
526 - POSIX: show operating system's error reason if opening a file failed
527 - Added support for custom progress notification while saving to RIFF file.
528 - Fixed embarrassing old bug: POSIX read() errors were never detected on
529 Chunk::Read() calls due to signment incompatible variable.
530 - Cleanup of an old DLL binary backward compatibility hack.
531
532 * src/gigextract.cpp:
533 - export sample loop, unity note and fine tune with libsndfile
534
535 * src/riftree.cpp:
536 - added more command line options for being able to also dump other kind
537 of file formats similar but not equal to the RIFF format
538
539 Version 3.3.0 (30 Jul 2009)
540
541 * general changes:
542 - fixed compilation with gcc 4.3
543 - fixes for building with Visual C++
544 - minor fix in configure for building DLL on Windows
545
546 * src/gig.cpp, src/gig.h:
547 - added partial support for MIDI rules, only the Controller
548 Triggered rule is supported so far
549 - bugfix: removed another iterator invalidation in DeleteSample
550 - bugfix in Sample::LoadSampleData*(): reset sample read position to
551 sample start before trying to (re)load sample data from file (#82)
552 - bugfix: EG3 depth parameter was not saved correctly
553 - fixed crash which occured when streaming a gig sample with
554 bi-directional (a.k.a. 'pingpong') loop type (fixes #102)
555
556 * src/RIFF.cpp, src/RIFF.h:
557 - bugfix: saving to the same file after the file size had been
558 increased made the file corrupt (#82)
559 - bugfix: refuse Chunk::Read() in case chunk has just been added, that
560 is not written physically yet (#82)
561 - bugfix: saving to the same file after the file size had been
562 decreased sometimes also made the file corrupt!
563 - bugfix: undefined behavior (e.g. endless loop) when opening zero
564 length files, now throws a RIFF::Exception instead (fixes bug #121)
565 - bugfix: destructor for base class RIFF::Chunk accessed members
566 of derived class RIFF::File, which is bad, and caused crashes
567 when using Visual C++
568 - bugfix: files that contain zero length RIFF lists were not read
569 correctly (fixes #127) (bug was introduced 2009-03-13)
570
571 Version 3.2.1 (5 Dec 2007)
572
573 * src/RIFF.cpp, src/RIFF.h:
574 - avoid Windows to perform unnecessary file stream caching which would
575 decrease disk streaming performance on Windows systems otherwise
576
577 * src/gig.cpp, src/gig.h:
578 - added File::SetAutoLoad() and File::GetAutoLoad() for allowing
579 applications to retrieve very superficial informations like amount of
580 instruments and their names in a very fast way
581
582 Version 3.2.0 (14 Oct 2007)
583
584 * packaging changes:
585 - added Mac OSX XCode project files (patch by Toshi Nagata)
586 - Dev-C++ (win32) project file is automatically updated with
587 the version info from configure.in
588 - the configure script can now be used in Windows with MSYS
589 - added a mainpage for the Doxygen API documentation
590
591 * src/DLS.cpp, src/DLS.h:
592 - added Sampler::AddSampleLoop() and Sampler::DeleteSampleLoop() methods
593 - fixed write support for big-endian systems
594 - improved handling of fixed length info strings - separate default
595 lengths can be specified for each INFO chunk
596 - added Resource::GenerateDLSID function
597 - write support fix: allow regions without mapped samples
598 - added method SetKeyRange() to the Region class which should be used
599 instead of setting the KeyRange member variable directly
600 - MoveRegion() method of Region class is now private
601 - added SetGain() method to Sampler class
602 - fixed crash when saving a file after a sample loop was added
603
604 * src/gig.cpp, src/gig.h:
605 - fixed segmentation fault in the gig::File destructor sequence which
606 happened when gig::Group informations were accessed before
607 - fixed write support for big-endian systems
608 - defined lengths of a fixed set of info strings. These strings
609 are saved when the file is written, even if they are empty.
610 - added missing parameter initalizations in sample, region and
611 instrument constructors
612 - clear unused fields when saving samples and regions
613 - fixed write support bugs: v3 dimension limits and chunksize
614 weren't saved, leverage controller of type controlchange
615 couldn't be saved, group name list chunk was placed wrong,
616 dimension region chunks also placed wrong
617 - added initialization of some fixed info strings in file and
618 instrument
619 - write support: files created by libgig will now have the RIFF
620 chunks in correct order
621 - write support: two previously unknown fields in dimension
622 definition are now saved
623 - added constants for gig file versions
624 - write support: the 3crc and einf chunks are now created or
625 updated when a file is saved (3crc contains sample checksums,
626 einf contains file statistics)
627 - write support: DLSID is now generated on the file and the
628 instruments
629 - write support: improved the default values for dimension region
630 parameters
631 - more write support fixes: crossfade parameters were not saved,
632 v3 dimension limits were not correctly initialized and saved
633 when dimensions were added or deleted, v3 wave pool offsets were
634 not saved correctly
635 - write support: 24 bit samples can now be written
636 - write support: version 3 is now the default for new files
637 - more write support fixes: the 3ewg chunk is now bigger for v3,
638 dimension regions without mapped samples are now allowed, 3gnl
639 list in v3 files now always has 128 entries, several parameters
640 where incorrectly saved due to an operator precedence mistake
641 - DeleteSample now removes all references to the deleted sample
642 - AddDimension now copies all parameters from existing dimension
643 regions and also makes sure that the samplechannel dimension is
644 placed first in the list of dimensions.
645 - added method GetParent() to class 'DimensionRegion', which returns its
646 parent Region
647 - fixed Instrument::UpdateRegionKeyTable() method which did not reset
648 unused areas
649 - added various setter methods to DimensionRegion class which take care
650 of updating lookup tables / caches.
651
652 * src/RIFF.cpp, src/RIFF.h:
653 - added File::SetByteOrder method
654 - Windows fix: saving a new file didn't work
655
656 * src/gigdump.cpp:
657 - added some missing dimension strings
658
659 Version 3.1.1 (24 Mar 2007)
660
661 * packaging changes:
662 - ported to Windows using native Windows functions for file IO
663 (provided Dev-C++ + mingw project file)
664 - only export relevant files to Doxygen API documentation
665
666 * src/gig.cpp, src/gig.h:
667 - custom velocity splits now works for gig v3 files too
668 - added support for custom splits points for other dimensions than
669 velocity (gig v3 feature)
670 - added "smart midi" and "round robin keyboard" dimensions
671 - added new method File::DeleteGroupOnly() which only deletes the given
672 group but moves all its members to another group, the other method,
673 that is File::DeleteGroup() now removes not just the group, but also
674 all the samples that belong to that group
675 - fixed crash which occured on interfering File::DeleteSample() and
676 File::GetNextSample() calls (due to iterator invalidation)
677 - fixed group names which were not saved
678 - fixed group destructor which did not remove the RIFF chunk associated
679 with the group
680 - added Instrument::MoveRegion method
681 - fixed constructor for Region, which did not initialize correctly
682 when used from Instrument::AddRegion
683 - when saving, override the gig::Regions sample reference simply by
684 the region's first dimension region's sample (avoids an exception
685 when trying to save a new instrument)
686 - fixed AddDimension() method which did not fill out all mandatory
687 dimension definition fields
688
689 * src/DLS.cpp, src/DLS.h:
690 - added Instrument::MoveRegion method
691 - fixed software info field which was wrongly stored on instruments,
692 causing an exception when trying to save a new instrument
693
694 * src/RIFF.cpp, src/RIFF.h:
695 - fixed RIFF::Chunk destructor which did not unregister previously
696 resized chunks, leading to a "zero size chunk" exception when
697 File::Save() was called
698 - added List::MoveSubChunk method
699
700 Version 3.1.0 (24 Nov 2006)
701
702 * packaging changes:
703 - changed deprecated copyright attribute to license;
704 added ldconfig to post-(un)install steps on libgig.spec (RPM)
705
706 * src/gig.cpp, src/gig.h:
707 - added support for more than one set of custom velocity splits
708 inside a region (for example different velocity split levels for
709 pedal up and pedal down)
710 - sample loop parameters are now taken from the DimensionRegion
711 instead of the wave chunk
712 - keyswitching dimension is changed from split type "normal" to
713 "bit"
714 - real support for 24 bit samples - samples are not truncated to
715 16 bits anymore
716 - support for reading of ".art" files. (Merging of .art and .gig
717 files are not implemented yet.)
718 - several fixes for the write support
719 - support for sample groups added
720
721 * src/DLS.cpp, src/DLS.h:
722 - support for reading of ".art" files
723 - removed incorrect use of memccpy in the write support (patch by
724 Jeremy Kerr)
725 - several fixes for the write support
726
727 * src/gigextract.cpp:
728 - real support for 24 bit samples
729
730 * src/gigdump.cpp:
731 - print global file informations
732 - print sample groups
733
734 * general changes:
735 - added CPPUnit test cases (at the moment primarily for automatic check
736 of Gigasampler write support)
737
738 Version 3.0.0 (28 Apr 2006)
739
740 * general changes:
741 - added write support (that is for creating and modifying RIFF, DLS and
742 gig files)
743 - loading DLS and gig files is now much more permissive, DLS and gig
744 files are now loaded even if mandatory RIFF chunks are missing
745 - fixed some memory management errors, one of them was causing a
746 crash when a multi-file gig was deallocated
747
748 * src/gig.cpp, src/gig.h:
749 - fixed the GetVelocityCutoff function, it wasn't always using the
750 VCFVelocityScale parameter when no cutoff controller was defined
751 - support for the gig v3 feature to have a number of dimension
752 splits not equal to a power of two
753 - added write support (highly experimental)
754
755 * src/DLS.cpp, src/DLS.h:
756 - fixed loading of Articulation Connections (<artl> list chunks were
757 seeked instead of ordinary <artl> data chunks)
758 - added write support (highly experimental)
759
760 * src/RIFF.cpp, src/RIFF.h:
761 - added write support
762 - Chunk::LoadChunkData() can now be called again to resize the buffer
763 after a Chunk::Resize() and before the File::Save() call to allow
764 placing the new data in the chunk's write buffer and perform the
765 resize and write operations in one rush
766
767 * src/gigdump.cpp:
768 - fixed to show the correct amount of dimension regions instead of 32
769 (patch by James Wylder)
770
771 * src/dlsdump.cpp:
772 - show for every region the name of the referenced sample
773 - show file name in quotation marks
774
775 Version 2.0.2 (15 Aug 2005)
776
777 * packaging changes:
778 - require automake (>= 1.5) for 'make -f Makefile.cvs'
779 (mandatory for 'dist-bzip2' automake option)
780
781 * src/gig.cpp, src/gig.h:
782 - support for gig v3 multi-file format (.gig, .gx01, .gx02, ...),
783 the extension files are read automatically when the samples are
784 loaded
785 - fixed the 24 bit decompression, the result should now be exact
786 instead of an approximation
787 - added VCFCutoffControllerInvert parameter and GetVelocityCutoff
788 function to DimensionRegion
789
790 * src/DLS.cpp, src/DLS.h:
791 - the upper bits of the pool table indices are read (used as
792 extension file numbers for gig v3)
793
794 * src/RIFF.cpp, src/RIFF.h:
795 - the file name is remembered in the RIFF::File object
796
797 Version 2.0.1 (12 Jun 2005)
798
799 * packaging changes:
800 - include debian/ directory on 'make dist'
801 - create a bzip2 tarball on 'make dist'
802
803 * src/gigextract.cpp:
804 - show also version of libsndfile or build version of libaudiofile when
805 using the -v switch
806 - fixed mutual link dependency to libsndfile / libaudiofile
807
808 * src/gig.cpp, src/gig.h:
809 - added DimensionRegion::GetVelocityRelease function
810
811 Version 2.0.0 (9 May 2005)
812
813 * packaging changes:
814 - fixed conditional linkage of either libsndfile or libaudiofile
815 (if none of the two exist, configure script will abort)
816 - man pages are now auto generated with the correct libgig version
817
818 * src/gig.cpp, src/gig.h:
819 - experimental support for Gigasampler v3 format;
820 64 bit file offsets are truncated to 32 bit, 24 bit samples are
821 truncated to 16 bit, up to 8 dimensions are read, additional
822 articulation informations are ignored at the moment
823 (patch by Andreas Persson)
824 - added some file format compatibility checks
825 - fixed vcf_type_lowpassturbo value (vcf_type_lowpassturbo was actually
826 never used, because the necessary check was made before
827 initialization)
828 - fixed crossfade points order (structure for big endian and little
829 endian systems was interchanged)
830 - fixed some memory leaks (patch by 'Gene', a.k.a Anders Alm)
831 - fixed crash which occured when patches did not have a sample assigned
832 to their region or dimension region (patch by Andreas Persson)
833 - support for compressed mono samples
834 - experimental support for compressed 24 bit samples
835 - fixed decompression on big-endian CPUs
836 - fixed decompression bug that truncated the last block of samples
837 - external decompression buffers can now be used for streaming samples
838 to avoid race conditions in case of multiple streaming threads
839 - added pre-calculated sample attenuation parameter
840 - added v3 "random" and "round robin" dimensions
841 - implemented progress indicator callback mechanism for loading
842 instruments and samples
843 - added functions libraryName() and libraryVersion()
844
845 * src/DLS.cpp, src/DLS.h:
846 - fixed File constructor which caused variable File::Instruments always
847 to be zero
848 - added functions libraryName() and libraryVersion()
849
850 * src/RIFF.cpp, src/RIFF.h:
851 - fixed method List::LoadSubChunks() which did not restore the original
852 position within the body of the given list chunk
853 - added functions libraryName() and libraryVersion()
854
855 * src/rifftree.cpp:
856 - added command line switch -v to show rifftree's revision and the used
857 libgig version
858
859 * src/dlsdump.cpp:
860 - added command line switch -v to show dlsdump's revision and the used
861 libgig version
862
863 * src/gigdump.cpp:
864 - added output of UnityNote, FineTune, Gain, SampleStartOffset an
865 LoopPlayCount
866 - added command line switch -v to show gigdump's revision and the used
867 libgig version
868
869 * src/gigextract.cpp:
870 - support for compressed mono samples and compressed 24 bit samples
871 - added command line switch -v to show gigextract's revision and the
872 used libgig version
873
874 Version 1.0.0 (26 Nov 2004)
875
876 * packaging changes:
877 - renamed 'libgig.pc.in' -> 'gig.pc.in' and renamed pkg-config lib name
878 'libgig' -> 'gig' as it's common practice to omit the 'lib' prefix
879 - fixed man pages automake install rule (which didn't work on Mandrake,
880 SuSE and Fedora)
881 - fixed generation of Doxygen API documentation (now also included in
882 RPM and Debian packages)
883
884 * src/gig.cpp, src/gig.h:
885 - fixed / improved accuracy of all three velocity to volume
886 transformation functions a.k.a. 'nonlinear','linear','special'
887 (patch by Andreas Persson)
888 - denormals are filtered from the velocity to volume tables
889 - bugfix for dimension region switching (wrong handling of the release
890 trigger dimension, no bit range check for dimensions of split type
891 'split_type_bit')
892 - fixed panorama value in DimensionRegion (invalid conversion from
893 signed 7 bit to signed 8 bit)
894 - added class attribute 'Layers' to class 'gig::Region'
895 - symbol prototyping of gig::Region (fixes build failure with qsampler)
896
897 * src/gigextract.cpp:
898 - added support for libsndfile (if libaudiofile and libsndfile are
899 available then libsndfile is preferred)
900
901 * src/gigdump.cpp:
902 - added printout for dimension informations (amount, type, bits, zones)
903 - added printout for velocity response curve parameters
904 - added printout for crossfade definitions
905 - added printout for panorama value for each DimensionRegion
906 - replaced printout of DLS Region layer by printout of amount of
907 Gigasampler layers
908
909 Version 0.7.1 (2 Jul 2004)
910
911 * packaging changes:
912 - added libgig.spec and libgig.pc package configurations for generating
913 Redhat packages
914 - header files included on installation.
915 - autotools-generated files removed from CVS repository.
916 - added support for generating Debian packages
917 - version of shared library can be set in configure.in
918
919 Version 0.7.0 (3 May 2004)
920
921 * general changes:
922 - various big endian specific corrections
923 (successfully tested now on PPC)
924 - minor adjustments to avoid compile errors on some systems
925 (using now pow() instead of powl() and --pedantic g++ compiler switch)
926 - libtoolized the library
927 - added man pages for the command line tools
928 (gigextract, gigdump, dlsdump, rifftree)
929
930 * src/gig.cpp, src/gig.h:
931 - fixed bug in decompression algorithm which caused it not to detect
932 the end of a stream
933 - added method GetVelocityAttenuation() to class 'DimensionRegion' which
934 takes the MIDI key velocity value as an argument and returns the
935 appropriate volume factor (0.0 ... 1.0) for the sample to be played
936 back, the velocity curve transformation functions used for this are
937 only an approximation so far
938 - fixed class attributes 'Sample::LoopStart', 'Sample::LoopEnd' and
939 'Sample::LoopSize' which reflected wrong values
940 - class attributes 'Sample::LoopStart' and 'Sample::LoopEnd' are now
941 measured in sample points instead of byte offset
942 - renamed misleading attribute name 'Sample::MIDIPitchFraction' to
943 'Sample::FineTune'
944 - added class attribute 'Sample::LoopSize'
945 - added method GetInstrument(uint index) to class 'File'
946 - added ReadAndLoop() method to class 'Sample' which is an extension to
947 the normal Read() method to honor the sample's looping information
948 while streaming from disk
949 - changed interface for 'attenuation_ctrl_t', 'eg1_ctrl_t' and
950 'eg2_ctrl_t': replaced this huge enumeration by a structure which
951 reflects the MIDI controller number in case of an ordinary control
952 change controller (this saves a huge switch-case block in the
953 application of the library user)
954 - renamed following attributes in class 'DimensionRegion':
955 'AttenuationContol' -> 'AttenuationController',
956 'InvertAttenuationControl' -> 'InvertAttenuationController',
957 'AttenuationControlTreshold' -> 'AttenuationControllerThreshold'
958 - minor fix in API documentation for method GetVelocityAttenuation() in
959 class 'DimensionRegion'
960
961 * src/RIFF.cpp, src/RIFF.h:
962 - added additional API documentation
963 - minor fix in Chunk::Read() method (only a minor efficiency issue)
964
965 * src/gigdump.cpp:
966 - added printout of samples' looping informations
967
968 Version 0.6.0 (3 Nov 2003)
969
970 * initial release

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