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Revision 3915 - (show annotations) (download)
Mon Jun 7 18:57:17 2021 UTC (2 years, 9 months ago) by schoenebeck
File size: 40933 byte(s)
* RIFF: Added methods File::IsIOPerThread() and
  File::SetIOPerThread(bool); the latter allows to automatically use a
  separate file I/O stream state for each thread.

* Bumped version (4.3.0.svn7).

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
10 * src/SF.cpp, src/SF.h:
11 - File::DeleteInstrument(): Fix clang sanatizer warning.
12
13 * src/RIFF.cpp, src/RIFF.h:
14 - Chunk::LoadChunkData(): Fix clang sanatizer warning.
15 - List::LoadSubChunks(): Fix potential garbage data access if reading a
16 RIFF chunk ID failed.
17 - Added methods File::IsIOPerThread() and File::SetIOPerThread(bool); the
18 latter allows to automatically use a separate file I/O stream state for
19 each thread.
20
21 Version 4.3.0 (9 May 2021)
22
23 * general changes:
24 - Require at least a C++11 compliant compiler.
25 - Require some UUID generating function by underlying system.
26
27 * src/gig.cpp, src/gig.h:
28 - GIG FORMAT EXTENSION: Added attributes DimensionRegion::LFO1WaveForm,
29 DimensionRegion::LFO2WaveForm and DimensionRegion::LFO3WaveForm, which
30 allow to define override LFOs' wave form (e.g. saw or square instead of
31 the default wave form which was always sine in the original
32 Gigasampler/GigaStudio software).
33 - GIG FORMAT EXTENSION: Added attributes DimensionRegion::LFO1Phase,
34 DimensionRegion::LFO2Phase and DimensionRegion::LFO3Phase, which allow to
35 move the start point horizontally of the LFOs' waves (0�� ... 360��).
36 - GIG FORMAT EXTENSION: Added attribute DimensionRegion::LFO3FlipPhase
37 (the original Gigasampler/GigaStudio software only had that flip phase
38 option for LFO1 and LFO2).
39 - Added methods DimensionRegion::UsesAnyGigFormatExtension(),
40 Region::UsesAnyGigFormatExtension(),
41 Instrument::UsesAnyGigFormatExtension() and
42 File::UsesAnyGigFormatExtension() (however only as private methods yet,
43 see comments on methods why).
44 - GIG FORMAT EXTENSION: added LinuxSampler specific filter type
45 implementations to enum vcf_type_t: vcf_type_lowpass_1p,
46 vcf_type_lowpass_2p, vcf_type_lowpass_4p, vcf_type_lowpass_6p,
47 vcf_type_highpass_1p, vcf_type_highpass_2p, vcf_type_highpass_4p,
48 vcf_type_highpass_6p, vcf_type_bandpass_2p, vcf_type_bandreject_2p.
49 - Compatibility fix: GigaStudio always expects 128 '3gnm' RIFF chunks
50 (patch by Ivan Maguidhir).
51 - Compatibility fix: GigaStudio 3 expects '3dnm' and '3ddp' RIFF chunks
52 (original patch by Ivan Maguidhir).
53 - Region::DeleteDimensionZone() and Region::SplitDimensionZone(): Fixed
54 dimensions being in different order after deleting a dimension zone.
55 - Script: Generate a persistent UUID for each script.
56 - GIG FORMAT EXTENSION: Added support for script 'patch' variables and
57 accordingly added new methods to Instrument class:
58 IsScriptPatchVariableSet(), GetScriptPatchVariables(),
59 GetScriptPatchVariable(), SetScriptPatchVariable(),
60 UnsetScriptPatchVariable(); stored persistently as new 'SCPV' RIFF chunk
61 as child of our '3LS ' list chunk on Instrument level.
62 - Fixed undefined behaviour when modifying script slots on an instrument
63 that had been cloned and not been saved yet (e.g. unintended modification
64 of original instrument's script slots, and crash on Instrument destruction
65 due to double free of pScriptRefs).
66
67 * src/Serialization.cpp, src/Serialization.h:
68 - Fixed broken Archive(RawData) constructor which always threw an
69 Exception.
70 - Added built-in support for C++ String objects (a.k.a. std::string
71 from the STL) and bumped Srx format version to 1.1 for that reason.
72 - Fixed assertion fault on some systems if a member variable defined was
73 serialized which was declared as size_t or ssize_t data type.
74 - Added new method Archive::operation() which allows applications to
75 distinguish between serialization vs. deserialization in their
76 serialize() method implementations.
77 - Added built-in support for C++ Array<> objects (a.k.a. std::vector from
78 the STL).
79 - Member offsets are now signed and for (newly added support of) member
80 variables on the heap -1 is always used as offset instead.
81 - Added built-in support for C++ Set<> objects (a.k.a. std::set from the
82 STL).
83 - DataType: Added optional 2nd custom type name.
84 - Added built-in support for C++ Map<> objects (a.k.a. std::map from the
85 STL).
86
87 * src/helper.h:
88 - Fix compile error with GCC 9 due to ignored result value of vasprintf()
89 function call.
90
91 * src/tools/gigdump.cpp:
92 - Print dimension region properties LFO1WaveForm, LFO2WaveForm,
93 LFO3WaveForm, LFO1Phase, LFO2Phase, LFO3Phase, LFO1FlipPhase,
94 LFO2FlipPhase and LFO3FlipPhase.
95
96 Version 4.2.0 (25 Jul 2019)
97
98 * general changes:
99 - Added MSVC build support (anonymous patch from mailing list).
100 - Introduced CMake build support (yet constrained for building with MSVC)
101 (anonymous patch from mailing list).
102 - Fix: Don't automatically delete RIFF chunks from DLS/gig classes'
103 destructors. Added new virtual method DeleteChunks() to those classes
104 for this which must be explicitly called instead to remove their RIFF
105 chunks.
106 - Fix: Many methods of DLS/gig classes assumed a RIFF chunk read position
107 of zero; which is unsafe per se.
108 - Added C++11 "override" keyword where appropriate.
109 - Fixed crash in RIFF, DLS and gig classes which occurred on certain
110 of their actions when not passing a progress_t callback structure.
111
112 * src/gig.cpp, src/gig.h:
113 - Fixed Doxygen API comments for enum types (currently latest Doxygen
114 [v1.8.13] only supports C comments in macro arguments expansion, but
115 not C++ comments; see <FindDefineArgs> lexer rules in src/pre.l of
116 the Doxygen source code, which currently also filter out new line
117 \n chars).
118 - Added new method File::CountSamples().
119 - Added new method File::CountInstruments().
120 - Fixed gig v4 files falsely being handled as v2 format
121 (patch by Ivan Maguidhir).
122 - Added gig v4 version identifier (File::VERSION_4).
123 - GIG FORMAT EXTENSION: Added attribute
124 DimensionRegion::SustainReleaseTrigger which allows to define whether
125 a sustain pedal up event shall cause a release trigger sample to be
126 played (default: don't play release trigger sample by sustain pedal).
127 - GIG FORMAT EXTENSION: Added attribute
128 DimensionRegion::NoNoteOffReleaseTrigger which allows to disable the
129 regular behaviour of playing release trigger sample on MIDI note-off
130 events.
131 - Introduced support for writing extension files (.gx01, .gx02, ...)
132 (original patch by Ivan Maguidhir).
133 - Many gig classes derive now from DLS::Storage (see DLS changes below).
134 - Added File::GetRiffFile() method.
135
136 * src/DLS.cpp, src/DLS.h:
137 - File: Fixed implicitly allocated RIFF::File object never been freed.
138 - Added new abstract interface base class DLS::Storage which is derived by
139 the respective classes for implementing (the old) UpdateChunks() and the
140 new DeleteChunks() method.
141 - Added File::GetRiffFile() method.
142
143 * src/sf2.cpp, src/sf2.h:
144 - Added Sample::GetFile() method.
145 - Added File::GetRiffFile() method.
146
147 * src/Serialization.cpp, src/Serialization.h:
148 - Hide pure internal declarations from header file to avoid numerous
149 compiler warnings when building and linking against the public API.
150 - Fixed comparision logic bug
151 - Fixed memory leak in DataType::customTypeName().
152
153 * src/RIFF.cpp, src/RIFF.h:
154 - Fix: Calling File::SetMode() left an undefined file handle on Windows and
155 caused a resource leak
156 - Avoid compiler warning when building for 32 bit windows.
157 - Added new method progress_t::subdivide().
158 - Fix: API doc comment for Chunk::GetFilePos() was completely wrong.
159 - progress_t: Added a 2nd (overridden) progress_t::subdivide() method which
160 allows a more fine graded control into which portions the subtasks are
161 divided to.
162
163 * src/tools/gigdump.cpp:
164 - Added command line option --instrument-names which causes only
165 instrument names and their index numbers to be printed.
166
167 Version 4.1.0 (25 Nov 2017)
168 * general changes:
169 - removed 2 GB limitation when loading a gig or DLS file
170 - using now native integer size where appropriate
171 - fixed minor issues with man pages (patch by Debian maintainer)
172 - fixed various spelling mistakes (patch by Debian maintainer)
173 - Added new "Serialization" framework (and equally named namespace)
174 which allows to serialize and deserialize native C++ objects
175 in a portable, easy and flexible way.
176 - print compiler warning if no RTTI available
177 - Fixed potential crash in command line tools gig2stereo, korg2gig,
178 korgdump and sf2extract.
179 - Fixed CVE-2017-12950, CVE-2017-12952, CVE-2017-12953
180 (original patch by Paul Brossier, slightly modified).
181 - Debian: Fixed packaging error about invalid substitution variable
182 "Source-Version".
183 - Raised Debian compatibility level to Debian 9 "Stretch".
184
185 * src/gig.cpp, src/gig.h:
186 - fixed bug in Script::SetGroup: the script chunk wasn't moved
187 - fixed compilation error with clang 3.4
188 - GIG FORMAT EXTENSION: added support for saving gig file larger than 4 GB
189 as one single monolithic gig file. In case .gig file is >= 2GB expect a
190 large monolithic file, otherwise if .gig file is < 2 GB check for
191 "extension" files (.gx01, .gx02, ...) instead.
192 - fixed Region::UpdateUpdateVelocityTable() which did not work correctly
193 if there were dimensions after the velocity dimension: it only created
194 valid velocity tables for cases of dimensions lower than the velocity
195 dimension.
196 - added new method Sample::VerifyWaveData() which allows to check whether
197 a sample had been damaged for some reason
198 - Fix: samples' CRC checksums were damaged on file structure changes.
199 - Fix: samples' CRC checksums were misordered when a Sample was deleted.
200 - Added new method Sample::GetWaveDataCRC32Checksum().
201 - Changed default value of EG2Release (filter release time) to 60s.
202 - Instruments' default pitch bend range is now +-2 semi tones.
203 - Fixed CRC checksums being wrong sometimes.
204 - Fix: method File::AddContentOf() did not clone script groups and scripts
205 of passed original file.
206 - Added support for serializing & deserializing DimensionRegion
207 objects (and crossfade_t and leverage_ctrl_t objects).
208 - Added enum reflection API functions for retrieving enum declaration type
209 information at runtime (enumCount(), enumKey(), enumKeys(), enumValue()).
210 - Exception class now has a variadic constructor which allows to add
211 textual format specifiers like with printf().
212 - On unknown leverage controller exception: show precise unknown leverage
213 controller number found.
214 - Ignore invalid leverage controller types and just show a warning on the
215 console instead of throwing an exception.
216 - Added new struct eg_opt_t and new class member variable
217 DimensionRegion::EG1Options and DimensionRegion::EG2Options as an
218 extension to the gig file format, which allows to override the default
219 behavior of the first two EGs' state machines.
220 - Fixed undefined behavior when loading a gig file with invalid
221 velocity curve parameters (fixes CVE-2017-12951).
222 - Fixed undefined behavior when loading a gig file with invalid wave
223 pool index number (fixes CVE-2017-12954).
224
225 * src/DLS.cpp, src/DLS.h:
226 - Sample: wave pool offsets are now 64 bits (to allow support for files
227 larger than 4 GB).
228 - Exception class now has a variadic constructor which allows to add
229 textual format specifiers like with printf().
230
231 * src/RIFF.cpp, src/RIFF.h:
232 - added support for RIFF files larger than 4 GB, by default the required
233 internal RIFF file offset size is automatically detected (that is RIFF
234 files < 4 GB automatically use 32 bit offsets while files >= 4 GB
235 automatically use 64 bit offsets), a particular offset size can be forced
236 with a new option added to the RIFF File constructor though
237 - when saving a modified, grown RIFF file, the temporary file size during
238 Save() operation will no longer be larger than the final grown file size
239 - Exception class now has a variadic constructor which allows to add
240 textual format specifiers like with printf().
241
242 * src/Serialization.cpp, src/Serialization.h:
243 - Archive: Added method isModified().
244 - Archive: Added method setAutoValue().
245 - Archive: Added method setIntValue().
246 - Archive: Added method setRealValue().
247 - Archive: Added method setBoolValue().
248 - Archive: Added method setEnumValue().
249 - Archive: Added method valueAsString().
250 - Archive::rawData(): Automatically re-encode new raw data stream if
251 archive had been modified (i.e. by remove(), setAutoValue(), etc.).
252 - Object: Added method memberByUID().
253 - Object: remove() method is now protected.
254 - Archive: Added method removeMember().
255 - Archive: Added methods name() and setName().
256 - Archive: Added methods comment() and setComment().
257 - Archive: Added methods timeStampCreated(), timeStampModified(),
258 dateTimeCreated() and dateTimeModified().
259 - Archive: Added methods valueAsInt(), valueAsReal() and valueAsBool().
260 - DataType: Implemented demangling C++ type names (for methods
261 asLongDescr() and customTypeName(bool demangle=false)).
262 - Archive::setAutoValue(): Handle human readable boolean text
263 representations like "yes", "no", "true", "false" as expected.
264 - Exception class now has a variadic constructor which allows to add
265 textual format specifiers like with printf().
266 - DataType fix: Retain backward compatibility to older versions of native
267 C++ classes/structs.
268
269 * src/Akai.cpp:
270 - Fixed compilation error with recent, more strict compilers.
271
272 * src/tools/akaidump.cpp, src/tools/akaiextract.cpp:
273 - improved output of non-ascii characters in usage messages
274 - fixed printf format strings
275
276 * src/tools/korg2gig.cpp:
277 - fixed c++11 narrowing warnings
278 - fixed fine tuning which was not translated at all
279
280 * src/tools/gigdump.cpp:
281 - additionally print VelocityUpperLimit and DimensionUpperLimits of all
282 dimension regions
283 - additionally print RIFF chunk file offset and RIFF chunk size of sample
284 data
285 - added and implemented new parameter "--verify" which allows to check
286 the raw wave form data integrity of all samples
287 - added and implemented new parameter "--rebuild-checksums" which allows
288 to recalculate the CRC32 checksum of all samples' raw wave data and
289 rebuilding the gig file's global checksum table (i.e. in case the
290 file's checksum table was damaged)
291 - print samples' CRC32 checksums
292 - Print the new EG behavior options (eg_opt_t).
293
294 * src/tools/gigextract.cpp:
295 - Fix: if sample name contains a path separator (slash or backslash) then
296 replace them by a minus sign to avoid file system issues.
297
298 * src/tools/gig2stereo.cpp:
299 - Also merge mono sample pairs with non matching loop information if
300 argument --incompatible was given.
301
302 * packaging changes:
303 - Automake: set environment variable GCC_COLORS=auto to allow GCC to
304 auto detect whether it (sh/c)ould output its messages in color.
305
306 Version 4.0.0 (14 Jul 2015)
307 * general changes:
308 - minor Makefile fix for parallel make
309 - Mac OS X: link with CoreFoundation (for the UUID function)
310 - removed gcc 4.7 warnings
311 - modernized configure script
312 - removed usage of deprecated Automake variable INCLUDES
313 - added new command line tool "gigmerge"
314 - added "const" keyword to several methods
315 - added new command line tool "gig2mono"
316 - added man page for "sf2dump"
317 - added new command line tool "korgdump" (and a man page for it)
318 - added new command line tool "korg2gig" (and a man page for it)
319 - moved source files of command line tools to new subdir src/tools
320 - libgig.so and libakai.so files are now installed under
321 $(prefix)/lib/libgig/ by default.
322 - Header files are now installed under $(prefix)/include/libgig/ by default.
323 - Fixed various packaging issues regarding installation directories
324 (fixes #218).
325 - added new command line tool "gig2stereo" (and a man page for it)
326 - unit tests: fixed wrong return value when test suite app exits
327 (patch by Ryan Schmidt)
328 - added new command line tool "sf2extract" (and a man page for it)
329
330 * SoundFont file format:
331 - initial implementation
332 - changed region lookup API to avoid malloc in RT threads
333 - fixed GetEG1Sustain which didn't return correct value
334 - bugfix: GetPan always returned -1, 0 or 1
335
336 * KORG file format:
337 - initial support for sample based instruments in KORG's file format
338 (.KMP and .KSF files)
339
340 * AKAI file format:
341 - Added Linux/POSIX ported version of libakai. Note that libakai is released
342 under LGPL terms while libgig is released under GPL terms. To handle this
343 license difference appropriately the AKAI support part is built as
344 separate DLL (.so file).
345 - Fixed Mac OSX support so that the Akai lib files and tools compile without
346 any exotic third party libraries.
347 - Fixed various compilation errors for Windows.
348 - POSIX fix: open() requires third (mode) argument if used with O_CREAT
349 (fixes #219).
350
351 * src/gig.cpp:
352 - bugfix: VCF velocity dynamic range and VCF velocity curve
353 weren't saved correctly
354 - implemented File::AddDuplicateInstrument()
355 - bugfix: negative EG3 depth values were not correctly parsed or
356 saved
357 - added write support for CtrlTrigger midi rule
358 - added read and write support for Legato and Alternator midi
359 rules
360 - bugfix: sample groups were sometimes created multiple times or with
361 wrong textual group name
362 - added new method File::AddContentOf() for merging .gig files
363 - GIG FORMAT EXTENSION: added additional MIDI controllers for leverage
364 controller types (only works with LinuxSampler & gigedit, will not
365 work with Gigasampler/GigaStudio)
366 - added new method File::GetGroup(String name) for getting group by name
367 - added new method Region::GetDimensionDefinition(dimension_t type)
368 - bugfix: don't alter region pointer in DimensionRegion::CopyAssign()
369 - added some more sanity checks in Region::AddDimension()
370 - added new method Region::DeleteDimensionZone(dimension_t, int)
371 - added new method Region::SplitDimensionZone(dimension_t, int)
372 - Fixed crash caused by Region::GetDimensionRegionByValue() that happened
373 with certain velocity split sounds under certain conditions (added bound
374 constraints to prevent that)
375 - GIG FORMAT EXTENSION: added support for real-time instrument scripts.
376 - added new method Region::GetDimensionRegionIndexByValue()
377 - added new method Script::GetGroup()
378 - added new method Region::SetDimensionType()
379 - Added support for custom progress notification while saving to gig file.
380 - Bugfix: Adding a new region in between two existing regions caused the
381 new one being dropped after save operation and the gig file being tainted
382 (chunks at wrong location in the RIFF tree).
383 - Added new method Instrument::MoveTo() which allows to rearrange the order
384 of instruments within the same gig file.
385
386 * src/DLS.cpp, src/DLS.h:
387 - added new method File::GetFileName()
388 - fixed minor "memory leak on exception" bug found with cppcheck
389 - added new method File::GetExtensionFile(int index)
390 - added new method File::SetFileName() allowing to call File::Save()
391 later on without passing a file name
392 - added inline helper methods overlaps() for struct range_t
393 - Added support for custom progress notification while saving to DLS file.
394 - Bugfix: Adding a new region in between two existing regions caused the
395 new one being dropped after save operation and the gig file being tainted
396 (chunks at wrong location in the RIFF tree).
397
398 * src/SF.cpp, src/SF.h:
399 - added new method Sample::ReadNoClear()
400
401 * src/RIFF.cpp, src/RIFF.h:
402 - bugfix: avoid calling read() with count 0 when writing a file,
403 as this may hang on some systems
404 - fixed memory leak and memory handling errors when file loading
405 fails
406 - added new method Chunk::ReadString
407 - added new method File::SetFileName() allowing to call File::Save()
408 later on without passing a file name
409 - added new method File::IsNew()
410 - added support for loading RIFF-like files with a bit different layout
411 than "real" RIFF files (used for KORG format support)
412 - added new method Chunk::GetFile()
413 - added new method Chunk::GetLayout()
414 - added 2nd, alternative method for List::MoveSubChunk(), the old 1st one
415 allows to move a subchunk within the current List, whereas the new 2nd
416 one allows to move the subchunk from the current list to another list
417 - POSIX: only assume -1 result value as error on open() calls
418 - POSIX: show operating system's error reason if opening a file failed
419 - Added support for custom progress notification while saving to RIFF file.
420 - Fixed embarrassing old bug: POSIX read() errors were never detected on
421 Chunk::Read() calls due to signment incompatible variable.
422 - Cleanup of an old DLL binary backward compatibility hack.
423
424 * src/gigextract.cpp:
425 - export sample loop, unity note and fine tune with libsndfile
426
427 * src/riftree.cpp:
428 - added more command line options for being able to also dump other kind
429 of file formats similar but not equal to the RIFF format
430
431 Version 3.3.0 (30 Jul 2009)
432
433 * general changes:
434 - fixed compilation with gcc 4.3
435 - fixes for building with Visual C++
436 - minor fix in configure for building DLL on Windows
437
438 * src/gig.cpp, src/gig.h:
439 - added partial support for MIDI rules, only the Controller
440 Triggered rule is supported so far
441 - bugfix: removed another iterator invalidation in DeleteSample
442 - bugfix in Sample::LoadSampleData*(): reset sample read position to
443 sample start before trying to (re)load sample data from file (#82)
444 - bugfix: EG3 depth parameter was not saved correctly
445 - fixed crash which occured when streaming a gig sample with
446 bi-directional (a.k.a. 'pingpong') loop type (fixes #102)
447
448 * src/RIFF.cpp, src/RIFF.h:
449 - bugfix: saving to the same file after the file size had been
450 increased made the file corrupt (#82)
451 - bugfix: refuse Chunk::Read() in case chunk has just been added, that
452 is not written physically yet (#82)
453 - bugfix: saving to the same file after the file size had been
454 decreased sometimes also made the file corrupt!
455 - bugfix: undefined behavior (e.g. endless loop) when opening zero
456 length files, now throws a RIFF::Exception instead (fixes bug #121)
457 - bugfix: destructor for base class RIFF::Chunk accessed members
458 of derived class RIFF::File, which is bad, and caused crashes
459 when using Visual C++
460 - bugfix: files that contain zero length RIFF lists were not read
461 correctly (fixes #127) (bug was introduced 2009-03-13)
462
463 Version 3.2.1 (5 Dec 2007)
464
465 * src/RIFF.cpp, src/RIFF.h:
466 - avoid Windows to perform unnecessary file stream caching which would
467 decrease disk streaming performance on Windows systems otherwise
468
469 * src/gig.cpp, src/gig.h:
470 - added File::SetAutoLoad() and File::GetAutoLoad() for allowing
471 applications to retrieve very superficial informations like amount of
472 instruments and their names in a very fast way
473
474 Version 3.2.0 (14 Oct 2007)
475
476 * packaging changes:
477 - added Mac OSX XCode project files (patch by Toshi Nagata)
478 - Dev-C++ (win32) project file is automatically updated with
479 the version info from configure.in
480 - the configure script can now be used in Windows with MSYS
481 - added a mainpage for the Doxygen API documentation
482
483 * src/DLS.cpp, src/DLS.h:
484 - added Sampler::AddSampleLoop() and Sampler::DeleteSampleLoop() methods
485 - fixed write support for big-endian systems
486 - improved handling of fixed length info strings - separate default
487 lengths can be specified for each INFO chunk
488 - added Resource::GenerateDLSID function
489 - write support fix: allow regions without mapped samples
490 - added method SetKeyRange() to the Region class which should be used
491 instead of setting the KeyRange member variable directly
492 - MoveRegion() method of Region class is now private
493 - added SetGain() method to Sampler class
494 - fixed crash when saving a file after a sample loop was added
495
496 * src/gig.cpp, src/gig.h:
497 - fixed segmentation fault in the gig::File destructor sequence which
498 happened when gig::Group informations were accessed before
499 - fixed write support for big-endian systems
500 - defined lengths of a fixed set of info strings. These strings
501 are saved when the file is written, even if they are empty.
502 - added missing parameter initalizations in sample, region and
503 instrument constructors
504 - clear unused fields when saving samples and regions
505 - fixed write support bugs: v3 dimension limits and chunksize
506 weren't saved, leverage controller of type controlchange
507 couldn't be saved, group name list chunk was placed wrong,
508 dimension region chunks also placed wrong
509 - added initialization of some fixed info strings in file and
510 instrument
511 - write support: files created by libgig will now have the RIFF
512 chunks in correct order
513 - write support: two previously unknown fields in dimension
514 definition are now saved
515 - added constants for gig file versions
516 - write support: the 3crc and einf chunks are now created or
517 updated when a file is saved (3crc contains sample checksums,
518 einf contains file statistics)
519 - write support: DLSID is now generated on the file and the
520 instruments
521 - write support: improved the default values for dimension region
522 parameters
523 - more write support fixes: crossfade parameters were not saved,
524 v3 dimension limits were not correctly initialized and saved
525 when dimensions were added or deleted, v3 wave pool offsets were
526 not saved correctly
527 - write support: 24 bit samples can now be written
528 - write support: version 3 is now the default for new files
529 - more write support fixes: the 3ewg chunk is now bigger for v3,
530 dimension regions without mapped samples are now allowed, 3gnl
531 list in v3 files now always has 128 entries, several parameters
532 where incorrectly saved due to an operator precedence mistake
533 - DeleteSample now removes all references to the deleted sample
534 - AddDimension now copies all parameters from existing dimension
535 regions and also makes sure that the samplechannel dimension is
536 placed first in the list of dimensions.
537 - added method GetParent() to class 'DimensionRegion', which returns its
538 parent Region
539 - fixed Instrument::UpdateRegionKeyTable() method which did not reset
540 unused areas
541 - added various setter methods to DimensionRegion class which take care
542 of updating lookup tables / caches.
543
544 * src/RIFF.cpp, src/RIFF.h:
545 - added File::SetByteOrder method
546 - Windows fix: saving a new file didn't work
547
548 * src/gigdump.cpp:
549 - added some missing dimension strings
550
551 Version 3.1.1 (24 Mar 2007)
552
553 * packaging changes:
554 - ported to Windows using native Windows functions for file IO
555 (provided Dev-C++ + mingw project file)
556 - only export relevant files to Doxygen API documentation
557
558 * src/gig.cpp, src/gig.h:
559 - custom velocity splits now works for gig v3 files too
560 - added support for custom splits points for other dimensions than
561 velocity (gig v3 feature)
562 - added "smart midi" and "round robin keyboard" dimensions
563 - added new method File::DeleteGroupOnly() which only deletes the given
564 group but moves all its members to another group, the other method,
565 that is File::DeleteGroup() now removes not just the group, but also
566 all the samples that belong to that group
567 - fixed crash which occured on interfering File::DeleteSample() and
568 File::GetNextSample() calls (due to iterator invalidation)
569 - fixed group names which were not saved
570 - fixed group destructor which did not remove the RIFF chunk associated
571 with the group
572 - added Instrument::MoveRegion method
573 - fixed constructor for Region, which did not initialize correctly
574 when used from Instrument::AddRegion
575 - when saving, override the gig::Regions sample reference simply by
576 the region's first dimension region's sample (avoids an exception
577 when trying to save a new instrument)
578 - fixed AddDimension() method which did not fill out all mandatory
579 dimension definition fields
580
581 * src/DLS.cpp, src/DLS.h:
582 - added Instrument::MoveRegion method
583 - fixed software info field which was wrongly stored on instruments,
584 causing an exception when trying to save a new instrument
585
586 * src/RIFF.cpp, src/RIFF.h:
587 - fixed RIFF::Chunk destructor which did not unregister previously
588 resized chunks, leading to a "zero size chunk" exception when
589 File::Save() was called
590 - added List::MoveSubChunk method
591
592 Version 3.1.0 (24 Nov 2006)
593
594 * packaging changes:
595 - changed deprecated copyright attribute to license;
596 added ldconfig to post-(un)install steps on libgig.spec (RPM)
597
598 * src/gig.cpp, src/gig.h:
599 - added support for more than one set of custom velocity splits
600 inside a region (for example different velocity split levels for
601 pedal up and pedal down)
602 - sample loop parameters are now taken from the DimensionRegion
603 instead of the wave chunk
604 - keyswitching dimension is changed from split type "normal" to
605 "bit"
606 - real support for 24 bit samples - samples are not truncated to
607 16 bits anymore
608 - support for reading of ".art" files. (Merging of .art and .gig
609 files are not implemented yet.)
610 - several fixes for the write support
611 - support for sample groups added
612
613 * src/DLS.cpp, src/DLS.h:
614 - support for reading of ".art" files
615 - removed incorrect use of memccpy in the write support (patch by
616 Jeremy Kerr)
617 - several fixes for the write support
618
619 * src/gigextract.cpp:
620 - real support for 24 bit samples
621
622 * src/gigdump.cpp:
623 - print global file informations
624 - print sample groups
625
626 * general changes:
627 - added CPPUnit test cases (at the moment primarily for automatic check
628 of Gigasampler write support)
629
630 Version 3.0.0 (28 Apr 2006)
631
632 * general changes:
633 - added write support (that is for creating and modifying RIFF, DLS and
634 gig files)
635 - loading DLS and gig files is now much more permissive, DLS and gig
636 files are now loaded even if mandatory RIFF chunks are missing
637 - fixed some memory management errors, one of them was causing a
638 crash when a multi-file gig was deallocated
639
640 * src/gig.cpp, src/gig.h:
641 - fixed the GetVelocityCutoff function, it wasn't always using the
642 VCFVelocityScale parameter when no cutoff controller was defined
643 - support for the gig v3 feature to have a number of dimension
644 splits not equal to a power of two
645 - added write support (highly experimental)
646
647 * src/DLS.cpp, src/DLS.h:
648 - fixed loading of Articulation Connections (<artl> list chunks were
649 seeked instead of ordinary <artl> data chunks)
650 - added write support (highly experimental)
651
652 * src/RIFF.cpp, src/RIFF.h:
653 - added write support
654 - Chunk::LoadChunkData() can now be called again to resize the buffer
655 after a Chunk::Resize() and before the File::Save() call to allow
656 placing the new data in the chunk's write buffer and perform the
657 resize and write operations in one rush
658
659 * src/gigdump.cpp:
660 - fixed to show the correct amount of dimension regions instead of 32
661 (patch by James Wylder)
662
663 * src/dlsdump.cpp:
664 - show for every region the name of the referenced sample
665 - show file name in quotation marks
666
667 Version 2.0.2 (15 Aug 2005)
668
669 * packaging changes:
670 - require automake (>= 1.5) for 'make -f Makefile.cvs'
671 (mandatory for 'dist-bzip2' automake option)
672
673 * src/gig.cpp, src/gig.h:
674 - support for gig v3 multi-file format (.gig, .gx01, .gx02, ...),
675 the extension files are read automatically when the samples are
676 loaded
677 - fixed the 24 bit decompression, the result should now be exact
678 instead of an approximation
679 - added VCFCutoffControllerInvert parameter and GetVelocityCutoff
680 function to DimensionRegion
681
682 * src/DLS.cpp, src/DLS.h:
683 - the upper bits of the pool table indices are read (used as
684 extension file numbers for gig v3)
685
686 * src/RIFF.cpp, src/RIFF.h:
687 - the file name is remembered in the RIFF::File object
688
689 Version 2.0.1 (12 Jun 2005)
690
691 * packaging changes:
692 - include debian/ directory on 'make dist'
693 - create a bzip2 tarball on 'make dist'
694
695 * src/gigextract.cpp:
696 - show also version of libsndfile or build version of libaudiofile when
697 using the -v switch
698 - fixed mutual link dependency to libsndfile / libaudiofile
699
700 * src/gig.cpp, src/gig.h:
701 - added DimensionRegion::GetVelocityRelease function
702
703 Version 2.0.0 (9 May 2005)
704
705 * packaging changes:
706 - fixed conditional linkage of either libsndfile or libaudiofile
707 (if none of the two exist, configure script will abort)
708 - man pages are now auto generated with the correct libgig version
709
710 * src/gig.cpp, src/gig.h:
711 - experimental support for Gigasampler v3 format;
712 64 bit file offsets are truncated to 32 bit, 24 bit samples are
713 truncated to 16 bit, up to 8 dimensions are read, additional
714 articulation informations are ignored at the moment
715 (patch by Andreas Persson)
716 - added some file format compatibility checks
717 - fixed vcf_type_lowpassturbo value (vcf_type_lowpassturbo was actually
718 never used, because the necessary check was made before
719 initialization)
720 - fixed crossfade points order (structure for big endian and little
721 endian systems was interchanged)
722 - fixed some memory leaks (patch by 'Gene', a.k.a Anders Alm)
723 - fixed crash which occured when patches did not have a sample assigned
724 to their region or dimension region (patch by Andreas Persson)
725 - support for compressed mono samples
726 - experimental support for compressed 24 bit samples
727 - fixed decompression on big-endian CPUs
728 - fixed decompression bug that truncated the last block of samples
729 - external decompression buffers can now be used for streaming samples
730 to avoid race conditions in case of multiple streaming threads
731 - added pre-calculated sample attenuation parameter
732 - added v3 "random" and "round robin" dimensions
733 - implemented progress indicator callback mechanism for loading
734 instruments and samples
735 - added functions libraryName() and libraryVersion()
736
737 * src/DLS.cpp, src/DLS.h:
738 - fixed File constructor which caused variable File::Instruments always
739 to be zero
740 - added functions libraryName() and libraryVersion()
741
742 * src/RIFF.cpp, src/RIFF.h:
743 - fixed method List::LoadSubChunks() which did not restore the original
744 position within the body of the given list chunk
745 - added functions libraryName() and libraryVersion()
746
747 * src/rifftree.cpp:
748 - added command line switch -v to show rifftree's revision and the used
749 libgig version
750
751 * src/dlsdump.cpp:
752 - added command line switch -v to show dlsdump's revision and the used
753 libgig version
754
755 * src/gigdump.cpp:
756 - added output of UnityNote, FineTune, Gain, SampleStartOffset an
757 LoopPlayCount
758 - added command line switch -v to show gigdump's revision and the used
759 libgig version
760
761 * src/gigextract.cpp:
762 - support for compressed mono samples and compressed 24 bit samples
763 - added command line switch -v to show gigextract's revision and the
764 used libgig version
765
766 Version 1.0.0 (26 Nov 2004)
767
768 * packaging changes:
769 - renamed 'libgig.pc.in' -> 'gig.pc.in' and renamed pkg-config lib name
770 'libgig' -> 'gig' as it's common practice to omit the 'lib' prefix
771 - fixed man pages automake install rule (which didn't work on Mandrake,
772 SuSE and Fedora)
773 - fixed generation of Doxygen API documentation (now also included in
774 RPM and Debian packages)
775
776 * src/gig.cpp, src/gig.h:
777 - fixed / improved accuracy of all three velocity to volume
778 transformation functions a.k.a. 'nonlinear','linear','special'
779 (patch by Andreas Persson)
780 - denormals are filtered from the velocity to volume tables
781 - bugfix for dimension region switching (wrong handling of the release
782 trigger dimension, no bit range check for dimensions of split type
783 'split_type_bit')
784 - fixed panorama value in DimensionRegion (invalid conversion from
785 signed 7 bit to signed 8 bit)
786 - added class attribute 'Layers' to class 'gig::Region'
787 - symbol prototyping of gig::Region (fixes build failure with qsampler)
788
789 * src/gigextract.cpp:
790 - added support for libsndfile (if libaudiofile and libsndfile are
791 available then libsndfile is preferred)
792
793 * src/gigdump.cpp:
794 - added printout for dimension informations (amount, type, bits, zones)
795 - added printout for velocity response curve parameters
796 - added printout for crossfade definitions
797 - added printout for panorama value for each DimensionRegion
798 - replaced printout of DLS Region layer by printout of amount of
799 Gigasampler layers
800
801 Version 0.7.1 (2 Jul 2004)
802
803 * packaging changes:
804 - added libgig.spec and libgig.pc package configurations for generating
805 Redhat packages
806 - header files included on installation.
807 - autotools-generated files removed from CVS repository.
808 - added support for generating Debian packages
809 - version of shared library can be set in configure.in
810
811 Version 0.7.0 (3 May 2004)
812
813 * general changes:
814 - various big endian specific corrections
815 (successfully tested now on PPC)
816 - minor adjustments to avoid compile errors on some systems
817 (using now pow() instead of powl() and --pedantic g++ compiler switch)
818 - libtoolized the library
819 - added man pages for the command line tools
820 (gigextract, gigdump, dlsdump, rifftree)
821
822 * src/gig.cpp, src/gig.h:
823 - fixed bug in decompression algorithm which caused it not to detect
824 the end of a stream
825 - added method GetVelocityAttenuation() to class 'DimensionRegion' which
826 takes the MIDI key velocity value as an argument and returns the
827 appropriate volume factor (0.0 ... 1.0) for the sample to be played
828 back, the velocity curve transformation functions used for this are
829 only an approximation so far
830 - fixed class attributes 'Sample::LoopStart', 'Sample::LoopEnd' and
831 'Sample::LoopSize' which reflected wrong values
832 - class attributes 'Sample::LoopStart' and 'Sample::LoopEnd' are now
833 measured in sample points instead of byte offset
834 - renamed misleading attribute name 'Sample::MIDIPitchFraction' to
835 'Sample::FineTune'
836 - added class attribute 'Sample::LoopSize'
837 - added method GetInstrument(uint index) to class 'File'
838 - added ReadAndLoop() method to class 'Sample' which is an extension to
839 the normal Read() method to honor the sample's looping information
840 while streaming from disk
841 - changed interface for 'attenuation_ctrl_t', 'eg1_ctrl_t' and
842 'eg2_ctrl_t': replaced this huge enumeration by a structure which
843 reflects the MIDI controller number in case of an ordinary control
844 change controller (this saves a huge switch-case block in the
845 application of the library user)
846 - renamed following attributes in class 'DimensionRegion':
847 'AttenuationContol' -> 'AttenuationController',
848 'InvertAttenuationControl' -> 'InvertAttenuationController',
849 'AttenuationControlTreshold' -> 'AttenuationControllerThreshold'
850 - minor fix in API documentation for method GetVelocityAttenuation() in
851 class 'DimensionRegion'
852
853 * src/RIFF.cpp, src/RIFF.h:
854 - added additional API documentation
855 - minor fix in Chunk::Read() method (only a minor efficiency issue)
856
857 * src/gigdump.cpp:
858 - added printout of samples' looping informations
859
860 Version 0.6.0 (3 Nov 2003)
861
862 * initial release

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