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Revision 3920 - (show annotations) (download)
Sun Jun 13 15:56:31 2021 UTC (2 years, 9 months ago) by schoenebeck
File size: 41160 byte(s)
RIFF: Add reentrant-safe traversal methods

* Added method List::GetSubChunkAt().

* Added method List::GetSubListAt().

* Marked methods List::GetFirstSubChunk(), List::GetNextSubChunk(),
  List::GetFirstSubList() and List::GetNextSubList() as deprecated.

* Bumped version (4.3.0.svn10).

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 - Added method List::GetSubChunkAt().
21 - Added method List::GetSubListAt().
22 - Marked methods List::GetFirstSubChunk(), List::GetNextSubChunk(),
23 List::GetFirstSubList() and List::GetNextSubList() as deprecated.
24
25 Version 4.3.0 (9 May 2021)
26
27 * general changes:
28 - Require at least a C++11 compliant compiler.
29 - Require some UUID generating function by underlying system.
30
31 * src/gig.cpp, src/gig.h:
32 - GIG FORMAT EXTENSION: Added attributes DimensionRegion::LFO1WaveForm,
33 DimensionRegion::LFO2WaveForm and DimensionRegion::LFO3WaveForm, which
34 allow to define override LFOs' wave form (e.g. saw or square instead of
35 the default wave form which was always sine in the original
36 Gigasampler/GigaStudio software).
37 - GIG FORMAT EXTENSION: Added attributes DimensionRegion::LFO1Phase,
38 DimensionRegion::LFO2Phase and DimensionRegion::LFO3Phase, which allow to
39 move the start point horizontally of the LFOs' waves (0�� ... 360��).
40 - GIG FORMAT EXTENSION: Added attribute DimensionRegion::LFO3FlipPhase
41 (the original Gigasampler/GigaStudio software only had that flip phase
42 option for LFO1 and LFO2).
43 - Added methods DimensionRegion::UsesAnyGigFormatExtension(),
44 Region::UsesAnyGigFormatExtension(),
45 Instrument::UsesAnyGigFormatExtension() and
46 File::UsesAnyGigFormatExtension() (however only as private methods yet,
47 see comments on methods why).
48 - GIG FORMAT EXTENSION: added LinuxSampler specific filter type
49 implementations to enum vcf_type_t: vcf_type_lowpass_1p,
50 vcf_type_lowpass_2p, vcf_type_lowpass_4p, vcf_type_lowpass_6p,
51 vcf_type_highpass_1p, vcf_type_highpass_2p, vcf_type_highpass_4p,
52 vcf_type_highpass_6p, vcf_type_bandpass_2p, vcf_type_bandreject_2p.
53 - Compatibility fix: GigaStudio always expects 128 '3gnm' RIFF chunks
54 (patch by Ivan Maguidhir).
55 - Compatibility fix: GigaStudio 3 expects '3dnm' and '3ddp' RIFF chunks
56 (original patch by Ivan Maguidhir).
57 - Region::DeleteDimensionZone() and Region::SplitDimensionZone(): Fixed
58 dimensions being in different order after deleting a dimension zone.
59 - Script: Generate a persistent UUID for each script.
60 - GIG FORMAT EXTENSION: Added support for script 'patch' variables and
61 accordingly added new methods to Instrument class:
62 IsScriptPatchVariableSet(), GetScriptPatchVariables(),
63 GetScriptPatchVariable(), SetScriptPatchVariable(),
64 UnsetScriptPatchVariable(); stored persistently as new 'SCPV' RIFF chunk
65 as child of our '3LS ' list chunk on Instrument level.
66 - Fixed undefined behaviour when modifying script slots on an instrument
67 that had been cloned and not been saved yet (e.g. unintended modification
68 of original instrument's script slots, and crash on Instrument destruction
69 due to double free of pScriptRefs).
70
71 * src/Serialization.cpp, src/Serialization.h:
72 - Fixed broken Archive(RawData) constructor which always threw an
73 Exception.
74 - Added built-in support for C++ String objects (a.k.a. std::string
75 from the STL) and bumped Srx format version to 1.1 for that reason.
76 - Fixed assertion fault on some systems if a member variable defined was
77 serialized which was declared as size_t or ssize_t data type.
78 - Added new method Archive::operation() which allows applications to
79 distinguish between serialization vs. deserialization in their
80 serialize() method implementations.
81 - Added built-in support for C++ Array<> objects (a.k.a. std::vector from
82 the STL).
83 - Member offsets are now signed and for (newly added support of) member
84 variables on the heap -1 is always used as offset instead.
85 - Added built-in support for C++ Set<> objects (a.k.a. std::set from the
86 STL).
87 - DataType: Added optional 2nd custom type name.
88 - Added built-in support for C++ Map<> objects (a.k.a. std::map from the
89 STL).
90
91 * src/helper.h:
92 - Fix compile error with GCC 9 due to ignored result value of vasprintf()
93 function call.
94
95 * src/tools/gigdump.cpp:
96 - Print dimension region properties LFO1WaveForm, LFO2WaveForm,
97 LFO3WaveForm, LFO1Phase, LFO2Phase, LFO3Phase, LFO1FlipPhase,
98 LFO2FlipPhase and LFO3FlipPhase.
99
100 Version 4.2.0 (25 Jul 2019)
101
102 * general changes:
103 - Added MSVC build support (anonymous patch from mailing list).
104 - Introduced CMake build support (yet constrained for building with MSVC)
105 (anonymous patch from mailing list).
106 - Fix: Don't automatically delete RIFF chunks from DLS/gig classes'
107 destructors. Added new virtual method DeleteChunks() to those classes
108 for this which must be explicitly called instead to remove their RIFF
109 chunks.
110 - Fix: Many methods of DLS/gig classes assumed a RIFF chunk read position
111 of zero; which is unsafe per se.
112 - Added C++11 "override" keyword where appropriate.
113 - Fixed crash in RIFF, DLS and gig classes which occurred on certain
114 of their actions when not passing a progress_t callback structure.
115
116 * src/gig.cpp, src/gig.h:
117 - Fixed Doxygen API comments for enum types (currently latest Doxygen
118 [v1.8.13] only supports C comments in macro arguments expansion, but
119 not C++ comments; see <FindDefineArgs> lexer rules in src/pre.l of
120 the Doxygen source code, which currently also filter out new line
121 \n chars).
122 - Added new method File::CountSamples().
123 - Added new method File::CountInstruments().
124 - Fixed gig v4 files falsely being handled as v2 format
125 (patch by Ivan Maguidhir).
126 - Added gig v4 version identifier (File::VERSION_4).
127 - GIG FORMAT EXTENSION: Added attribute
128 DimensionRegion::SustainReleaseTrigger which allows to define whether
129 a sustain pedal up event shall cause a release trigger sample to be
130 played (default: don't play release trigger sample by sustain pedal).
131 - GIG FORMAT EXTENSION: Added attribute
132 DimensionRegion::NoNoteOffReleaseTrigger which allows to disable the
133 regular behaviour of playing release trigger sample on MIDI note-off
134 events.
135 - Introduced support for writing extension files (.gx01, .gx02, ...)
136 (original patch by Ivan Maguidhir).
137 - Many gig classes derive now from DLS::Storage (see DLS changes below).
138 - Added File::GetRiffFile() method.
139
140 * src/DLS.cpp, src/DLS.h:
141 - File: Fixed implicitly allocated RIFF::File object never been freed.
142 - Added new abstract interface base class DLS::Storage which is derived by
143 the respective classes for implementing (the old) UpdateChunks() and the
144 new DeleteChunks() method.
145 - Added File::GetRiffFile() method.
146
147 * src/sf2.cpp, src/sf2.h:
148 - Added Sample::GetFile() method.
149 - Added File::GetRiffFile() method.
150
151 * src/Serialization.cpp, src/Serialization.h:
152 - Hide pure internal declarations from header file to avoid numerous
153 compiler warnings when building and linking against the public API.
154 - Fixed comparision logic bug
155 - Fixed memory leak in DataType::customTypeName().
156
157 * src/RIFF.cpp, src/RIFF.h:
158 - Fix: Calling File::SetMode() left an undefined file handle on Windows and
159 caused a resource leak
160 - Avoid compiler warning when building for 32 bit windows.
161 - Added new method progress_t::subdivide().
162 - Fix: API doc comment for Chunk::GetFilePos() was completely wrong.
163 - progress_t: Added a 2nd (overridden) progress_t::subdivide() method which
164 allows a more fine graded control into which portions the subtasks are
165 divided to.
166
167 * src/tools/gigdump.cpp:
168 - Added command line option --instrument-names which causes only
169 instrument names and their index numbers to be printed.
170
171 Version 4.1.0 (25 Nov 2017)
172 * general changes:
173 - removed 2 GB limitation when loading a gig or DLS file
174 - using now native integer size where appropriate
175 - fixed minor issues with man pages (patch by Debian maintainer)
176 - fixed various spelling mistakes (patch by Debian maintainer)
177 - Added new "Serialization" framework (and equally named namespace)
178 which allows to serialize and deserialize native C++ objects
179 in a portable, easy and flexible way.
180 - print compiler warning if no RTTI available
181 - Fixed potential crash in command line tools gig2stereo, korg2gig,
182 korgdump and sf2extract.
183 - Fixed CVE-2017-12950, CVE-2017-12952, CVE-2017-12953
184 (original patch by Paul Brossier, slightly modified).
185 - Debian: Fixed packaging error about invalid substitution variable
186 "Source-Version".
187 - Raised Debian compatibility level to Debian 9 "Stretch".
188
189 * src/gig.cpp, src/gig.h:
190 - fixed bug in Script::SetGroup: the script chunk wasn't moved
191 - fixed compilation error with clang 3.4
192 - GIG FORMAT EXTENSION: added support for saving gig file larger than 4 GB
193 as one single monolithic gig file. In case .gig file is >= 2GB expect a
194 large monolithic file, otherwise if .gig file is < 2 GB check for
195 "extension" files (.gx01, .gx02, ...) instead.
196 - fixed Region::UpdateUpdateVelocityTable() which did not work correctly
197 if there were dimensions after the velocity dimension: it only created
198 valid velocity tables for cases of dimensions lower than the velocity
199 dimension.
200 - added new method Sample::VerifyWaveData() which allows to check whether
201 a sample had been damaged for some reason
202 - Fix: samples' CRC checksums were damaged on file structure changes.
203 - Fix: samples' CRC checksums were misordered when a Sample was deleted.
204 - Added new method Sample::GetWaveDataCRC32Checksum().
205 - Changed default value of EG2Release (filter release time) to 60s.
206 - Instruments' default pitch bend range is now +-2 semi tones.
207 - Fixed CRC checksums being wrong sometimes.
208 - Fix: method File::AddContentOf() did not clone script groups and scripts
209 of passed original file.
210 - Added support for serializing & deserializing DimensionRegion
211 objects (and crossfade_t and leverage_ctrl_t objects).
212 - Added enum reflection API functions for retrieving enum declaration type
213 information at runtime (enumCount(), enumKey(), enumKeys(), enumValue()).
214 - Exception class now has a variadic constructor which allows to add
215 textual format specifiers like with printf().
216 - On unknown leverage controller exception: show precise unknown leverage
217 controller number found.
218 - Ignore invalid leverage controller types and just show a warning on the
219 console instead of throwing an exception.
220 - Added new struct eg_opt_t and new class member variable
221 DimensionRegion::EG1Options and DimensionRegion::EG2Options as an
222 extension to the gig file format, which allows to override the default
223 behavior of the first two EGs' state machines.
224 - Fixed undefined behavior when loading a gig file with invalid
225 velocity curve parameters (fixes CVE-2017-12951).
226 - Fixed undefined behavior when loading a gig file with invalid wave
227 pool index number (fixes CVE-2017-12954).
228
229 * src/DLS.cpp, src/DLS.h:
230 - Sample: wave pool offsets are now 64 bits (to allow support for files
231 larger than 4 GB).
232 - Exception class now has a variadic constructor which allows to add
233 textual format specifiers like with printf().
234
235 * src/RIFF.cpp, src/RIFF.h:
236 - added support for RIFF files larger than 4 GB, by default the required
237 internal RIFF file offset size is automatically detected (that is RIFF
238 files < 4 GB automatically use 32 bit offsets while files >= 4 GB
239 automatically use 64 bit offsets), a particular offset size can be forced
240 with a new option added to the RIFF File constructor though
241 - when saving a modified, grown RIFF file, the temporary file size during
242 Save() operation will no longer be larger than the final grown file size
243 - Exception class now has a variadic constructor which allows to add
244 textual format specifiers like with printf().
245
246 * src/Serialization.cpp, src/Serialization.h:
247 - Archive: Added method isModified().
248 - Archive: Added method setAutoValue().
249 - Archive: Added method setIntValue().
250 - Archive: Added method setRealValue().
251 - Archive: Added method setBoolValue().
252 - Archive: Added method setEnumValue().
253 - Archive: Added method valueAsString().
254 - Archive::rawData(): Automatically re-encode new raw data stream if
255 archive had been modified (i.e. by remove(), setAutoValue(), etc.).
256 - Object: Added method memberByUID().
257 - Object: remove() method is now protected.
258 - Archive: Added method removeMember().
259 - Archive: Added methods name() and setName().
260 - Archive: Added methods comment() and setComment().
261 - Archive: Added methods timeStampCreated(), timeStampModified(),
262 dateTimeCreated() and dateTimeModified().
263 - Archive: Added methods valueAsInt(), valueAsReal() and valueAsBool().
264 - DataType: Implemented demangling C++ type names (for methods
265 asLongDescr() and customTypeName(bool demangle=false)).
266 - Archive::setAutoValue(): Handle human readable boolean text
267 representations like "yes", "no", "true", "false" as expected.
268 - Exception class now has a variadic constructor which allows to add
269 textual format specifiers like with printf().
270 - DataType fix: Retain backward compatibility to older versions of native
271 C++ classes/structs.
272
273 * src/Akai.cpp:
274 - Fixed compilation error with recent, more strict compilers.
275
276 * src/tools/akaidump.cpp, src/tools/akaiextract.cpp:
277 - improved output of non-ascii characters in usage messages
278 - fixed printf format strings
279
280 * src/tools/korg2gig.cpp:
281 - fixed c++11 narrowing warnings
282 - fixed fine tuning which was not translated at all
283
284 * src/tools/gigdump.cpp:
285 - additionally print VelocityUpperLimit and DimensionUpperLimits of all
286 dimension regions
287 - additionally print RIFF chunk file offset and RIFF chunk size of sample
288 data
289 - added and implemented new parameter "--verify" which allows to check
290 the raw wave form data integrity of all samples
291 - added and implemented new parameter "--rebuild-checksums" which allows
292 to recalculate the CRC32 checksum of all samples' raw wave data and
293 rebuilding the gig file's global checksum table (i.e. in case the
294 file's checksum table was damaged)
295 - print samples' CRC32 checksums
296 - Print the new EG behavior options (eg_opt_t).
297
298 * src/tools/gigextract.cpp:
299 - Fix: if sample name contains a path separator (slash or backslash) then
300 replace them by a minus sign to avoid file system issues.
301
302 * src/tools/gig2stereo.cpp:
303 - Also merge mono sample pairs with non matching loop information if
304 argument --incompatible was given.
305
306 * packaging changes:
307 - Automake: set environment variable GCC_COLORS=auto to allow GCC to
308 auto detect whether it (sh/c)ould output its messages in color.
309
310 Version 4.0.0 (14 Jul 2015)
311 * general changes:
312 - minor Makefile fix for parallel make
313 - Mac OS X: link with CoreFoundation (for the UUID function)
314 - removed gcc 4.7 warnings
315 - modernized configure script
316 - removed usage of deprecated Automake variable INCLUDES
317 - added new command line tool "gigmerge"
318 - added "const" keyword to several methods
319 - added new command line tool "gig2mono"
320 - added man page for "sf2dump"
321 - added new command line tool "korgdump" (and a man page for it)
322 - added new command line tool "korg2gig" (and a man page for it)
323 - moved source files of command line tools to new subdir src/tools
324 - libgig.so and libakai.so files are now installed under
325 $(prefix)/lib/libgig/ by default.
326 - Header files are now installed under $(prefix)/include/libgig/ by default.
327 - Fixed various packaging issues regarding installation directories
328 (fixes #218).
329 - added new command line tool "gig2stereo" (and a man page for it)
330 - unit tests: fixed wrong return value when test suite app exits
331 (patch by Ryan Schmidt)
332 - added new command line tool "sf2extract" (and a man page for it)
333
334 * SoundFont file format:
335 - initial implementation
336 - changed region lookup API to avoid malloc in RT threads
337 - fixed GetEG1Sustain which didn't return correct value
338 - bugfix: GetPan always returned -1, 0 or 1
339
340 * KORG file format:
341 - initial support for sample based instruments in KORG's file format
342 (.KMP and .KSF files)
343
344 * AKAI file format:
345 - Added Linux/POSIX ported version of libakai. Note that libakai is released
346 under LGPL terms while libgig is released under GPL terms. To handle this
347 license difference appropriately the AKAI support part is built as
348 separate DLL (.so file).
349 - Fixed Mac OSX support so that the Akai lib files and tools compile without
350 any exotic third party libraries.
351 - Fixed various compilation errors for Windows.
352 - POSIX fix: open() requires third (mode) argument if used with O_CREAT
353 (fixes #219).
354
355 * src/gig.cpp:
356 - bugfix: VCF velocity dynamic range and VCF velocity curve
357 weren't saved correctly
358 - implemented File::AddDuplicateInstrument()
359 - bugfix: negative EG3 depth values were not correctly parsed or
360 saved
361 - added write support for CtrlTrigger midi rule
362 - added read and write support for Legato and Alternator midi
363 rules
364 - bugfix: sample groups were sometimes created multiple times or with
365 wrong textual group name
366 - added new method File::AddContentOf() for merging .gig files
367 - GIG FORMAT EXTENSION: added additional MIDI controllers for leverage
368 controller types (only works with LinuxSampler & gigedit, will not
369 work with Gigasampler/GigaStudio)
370 - added new method File::GetGroup(String name) for getting group by name
371 - added new method Region::GetDimensionDefinition(dimension_t type)
372 - bugfix: don't alter region pointer in DimensionRegion::CopyAssign()
373 - added some more sanity checks in Region::AddDimension()
374 - added new method Region::DeleteDimensionZone(dimension_t, int)
375 - added new method Region::SplitDimensionZone(dimension_t, int)
376 - Fixed crash caused by Region::GetDimensionRegionByValue() that happened
377 with certain velocity split sounds under certain conditions (added bound
378 constraints to prevent that)
379 - GIG FORMAT EXTENSION: added support for real-time instrument scripts.
380 - added new method Region::GetDimensionRegionIndexByValue()
381 - added new method Script::GetGroup()
382 - added new method Region::SetDimensionType()
383 - Added support for custom progress notification while saving to gig file.
384 - Bugfix: Adding a new region in between two existing regions caused the
385 new one being dropped after save operation and the gig file being tainted
386 (chunks at wrong location in the RIFF tree).
387 - Added new method Instrument::MoveTo() which allows to rearrange the order
388 of instruments within the same gig file.
389
390 * src/DLS.cpp, src/DLS.h:
391 - added new method File::GetFileName()
392 - fixed minor "memory leak on exception" bug found with cppcheck
393 - added new method File::GetExtensionFile(int index)
394 - added new method File::SetFileName() allowing to call File::Save()
395 later on without passing a file name
396 - added inline helper methods overlaps() for struct range_t
397 - Added support for custom progress notification while saving to DLS file.
398 - Bugfix: Adding a new region in between two existing regions caused the
399 new one being dropped after save operation and the gig file being tainted
400 (chunks at wrong location in the RIFF tree).
401
402 * src/SF.cpp, src/SF.h:
403 - added new method Sample::ReadNoClear()
404
405 * src/RIFF.cpp, src/RIFF.h:
406 - bugfix: avoid calling read() with count 0 when writing a file,
407 as this may hang on some systems
408 - fixed memory leak and memory handling errors when file loading
409 fails
410 - added new method Chunk::ReadString
411 - added new method File::SetFileName() allowing to call File::Save()
412 later on without passing a file name
413 - added new method File::IsNew()
414 - added support for loading RIFF-like files with a bit different layout
415 than "real" RIFF files (used for KORG format support)
416 - added new method Chunk::GetFile()
417 - added new method Chunk::GetLayout()
418 - added 2nd, alternative method for List::MoveSubChunk(), the old 1st one
419 allows to move a subchunk within the current List, whereas the new 2nd
420 one allows to move the subchunk from the current list to another list
421 - POSIX: only assume -1 result value as error on open() calls
422 - POSIX: show operating system's error reason if opening a file failed
423 - Added support for custom progress notification while saving to RIFF file.
424 - Fixed embarrassing old bug: POSIX read() errors were never detected on
425 Chunk::Read() calls due to signment incompatible variable.
426 - Cleanup of an old DLL binary backward compatibility hack.
427
428 * src/gigextract.cpp:
429 - export sample loop, unity note and fine tune with libsndfile
430
431 * src/riftree.cpp:
432 - added more command line options for being able to also dump other kind
433 of file formats similar but not equal to the RIFF format
434
435 Version 3.3.0 (30 Jul 2009)
436
437 * general changes:
438 - fixed compilation with gcc 4.3
439 - fixes for building with Visual C++
440 - minor fix in configure for building DLL on Windows
441
442 * src/gig.cpp, src/gig.h:
443 - added partial support for MIDI rules, only the Controller
444 Triggered rule is supported so far
445 - bugfix: removed another iterator invalidation in DeleteSample
446 - bugfix in Sample::LoadSampleData*(): reset sample read position to
447 sample start before trying to (re)load sample data from file (#82)
448 - bugfix: EG3 depth parameter was not saved correctly
449 - fixed crash which occured when streaming a gig sample with
450 bi-directional (a.k.a. 'pingpong') loop type (fixes #102)
451
452 * src/RIFF.cpp, src/RIFF.h:
453 - bugfix: saving to the same file after the file size had been
454 increased made the file corrupt (#82)
455 - bugfix: refuse Chunk::Read() in case chunk has just been added, that
456 is not written physically yet (#82)
457 - bugfix: saving to the same file after the file size had been
458 decreased sometimes also made the file corrupt!
459 - bugfix: undefined behavior (e.g. endless loop) when opening zero
460 length files, now throws a RIFF::Exception instead (fixes bug #121)
461 - bugfix: destructor for base class RIFF::Chunk accessed members
462 of derived class RIFF::File, which is bad, and caused crashes
463 when using Visual C++
464 - bugfix: files that contain zero length RIFF lists were not read
465 correctly (fixes #127) (bug was introduced 2009-03-13)
466
467 Version 3.2.1 (5 Dec 2007)
468
469 * src/RIFF.cpp, src/RIFF.h:
470 - avoid Windows to perform unnecessary file stream caching which would
471 decrease disk streaming performance on Windows systems otherwise
472
473 * src/gig.cpp, src/gig.h:
474 - added File::SetAutoLoad() and File::GetAutoLoad() for allowing
475 applications to retrieve very superficial informations like amount of
476 instruments and their names in a very fast way
477
478 Version 3.2.0 (14 Oct 2007)
479
480 * packaging changes:
481 - added Mac OSX XCode project files (patch by Toshi Nagata)
482 - Dev-C++ (win32) project file is automatically updated with
483 the version info from configure.in
484 - the configure script can now be used in Windows with MSYS
485 - added a mainpage for the Doxygen API documentation
486
487 * src/DLS.cpp, src/DLS.h:
488 - added Sampler::AddSampleLoop() and Sampler::DeleteSampleLoop() methods
489 - fixed write support for big-endian systems
490 - improved handling of fixed length info strings - separate default
491 lengths can be specified for each INFO chunk
492 - added Resource::GenerateDLSID function
493 - write support fix: allow regions without mapped samples
494 - added method SetKeyRange() to the Region class which should be used
495 instead of setting the KeyRange member variable directly
496 - MoveRegion() method of Region class is now private
497 - added SetGain() method to Sampler class
498 - fixed crash when saving a file after a sample loop was added
499
500 * src/gig.cpp, src/gig.h:
501 - fixed segmentation fault in the gig::File destructor sequence which
502 happened when gig::Group informations were accessed before
503 - fixed write support for big-endian systems
504 - defined lengths of a fixed set of info strings. These strings
505 are saved when the file is written, even if they are empty.
506 - added missing parameter initalizations in sample, region and
507 instrument constructors
508 - clear unused fields when saving samples and regions
509 - fixed write support bugs: v3 dimension limits and chunksize
510 weren't saved, leverage controller of type controlchange
511 couldn't be saved, group name list chunk was placed wrong,
512 dimension region chunks also placed wrong
513 - added initialization of some fixed info strings in file and
514 instrument
515 - write support: files created by libgig will now have the RIFF
516 chunks in correct order
517 - write support: two previously unknown fields in dimension
518 definition are now saved
519 - added constants for gig file versions
520 - write support: the 3crc and einf chunks are now created or
521 updated when a file is saved (3crc contains sample checksums,
522 einf contains file statistics)
523 - write support: DLSID is now generated on the file and the
524 instruments
525 - write support: improved the default values for dimension region
526 parameters
527 - more write support fixes: crossfade parameters were not saved,
528 v3 dimension limits were not correctly initialized and saved
529 when dimensions were added or deleted, v3 wave pool offsets were
530 not saved correctly
531 - write support: 24 bit samples can now be written
532 - write support: version 3 is now the default for new files
533 - more write support fixes: the 3ewg chunk is now bigger for v3,
534 dimension regions without mapped samples are now allowed, 3gnl
535 list in v3 files now always has 128 entries, several parameters
536 where incorrectly saved due to an operator precedence mistake
537 - DeleteSample now removes all references to the deleted sample
538 - AddDimension now copies all parameters from existing dimension
539 regions and also makes sure that the samplechannel dimension is
540 placed first in the list of dimensions.
541 - added method GetParent() to class 'DimensionRegion', which returns its
542 parent Region
543 - fixed Instrument::UpdateRegionKeyTable() method which did not reset
544 unused areas
545 - added various setter methods to DimensionRegion class which take care
546 of updating lookup tables / caches.
547
548 * src/RIFF.cpp, src/RIFF.h:
549 - added File::SetByteOrder method
550 - Windows fix: saving a new file didn't work
551
552 * src/gigdump.cpp:
553 - added some missing dimension strings
554
555 Version 3.1.1 (24 Mar 2007)
556
557 * packaging changes:
558 - ported to Windows using native Windows functions for file IO
559 (provided Dev-C++ + mingw project file)
560 - only export relevant files to Doxygen API documentation
561
562 * src/gig.cpp, src/gig.h:
563 - custom velocity splits now works for gig v3 files too
564 - added support for custom splits points for other dimensions than
565 velocity (gig v3 feature)
566 - added "smart midi" and "round robin keyboard" dimensions
567 - added new method File::DeleteGroupOnly() which only deletes the given
568 group but moves all its members to another group, the other method,
569 that is File::DeleteGroup() now removes not just the group, but also
570 all the samples that belong to that group
571 - fixed crash which occured on interfering File::DeleteSample() and
572 File::GetNextSample() calls (due to iterator invalidation)
573 - fixed group names which were not saved
574 - fixed group destructor which did not remove the RIFF chunk associated
575 with the group
576 - added Instrument::MoveRegion method
577 - fixed constructor for Region, which did not initialize correctly
578 when used from Instrument::AddRegion
579 - when saving, override the gig::Regions sample reference simply by
580 the region's first dimension region's sample (avoids an exception
581 when trying to save a new instrument)
582 - fixed AddDimension() method which did not fill out all mandatory
583 dimension definition fields
584
585 * src/DLS.cpp, src/DLS.h:
586 - added Instrument::MoveRegion method
587 - fixed software info field which was wrongly stored on instruments,
588 causing an exception when trying to save a new instrument
589
590 * src/RIFF.cpp, src/RIFF.h:
591 - fixed RIFF::Chunk destructor which did not unregister previously
592 resized chunks, leading to a "zero size chunk" exception when
593 File::Save() was called
594 - added List::MoveSubChunk method
595
596 Version 3.1.0 (24 Nov 2006)
597
598 * packaging changes:
599 - changed deprecated copyright attribute to license;
600 added ldconfig to post-(un)install steps on libgig.spec (RPM)
601
602 * src/gig.cpp, src/gig.h:
603 - added support for more than one set of custom velocity splits
604 inside a region (for example different velocity split levels for
605 pedal up and pedal down)
606 - sample loop parameters are now taken from the DimensionRegion
607 instead of the wave chunk
608 - keyswitching dimension is changed from split type "normal" to
609 "bit"
610 - real support for 24 bit samples - samples are not truncated to
611 16 bits anymore
612 - support for reading of ".art" files. (Merging of .art and .gig
613 files are not implemented yet.)
614 - several fixes for the write support
615 - support for sample groups added
616
617 * src/DLS.cpp, src/DLS.h:
618 - support for reading of ".art" files
619 - removed incorrect use of memccpy in the write support (patch by
620 Jeremy Kerr)
621 - several fixes for the write support
622
623 * src/gigextract.cpp:
624 - real support for 24 bit samples
625
626 * src/gigdump.cpp:
627 - print global file informations
628 - print sample groups
629
630 * general changes:
631 - added CPPUnit test cases (at the moment primarily for automatic check
632 of Gigasampler write support)
633
634 Version 3.0.0 (28 Apr 2006)
635
636 * general changes:
637 - added write support (that is for creating and modifying RIFF, DLS and
638 gig files)
639 - loading DLS and gig files is now much more permissive, DLS and gig
640 files are now loaded even if mandatory RIFF chunks are missing
641 - fixed some memory management errors, one of them was causing a
642 crash when a multi-file gig was deallocated
643
644 * src/gig.cpp, src/gig.h:
645 - fixed the GetVelocityCutoff function, it wasn't always using the
646 VCFVelocityScale parameter when no cutoff controller was defined
647 - support for the gig v3 feature to have a number of dimension
648 splits not equal to a power of two
649 - added write support (highly experimental)
650
651 * src/DLS.cpp, src/DLS.h:
652 - fixed loading of Articulation Connections (<artl> list chunks were
653 seeked instead of ordinary <artl> data chunks)
654 - added write support (highly experimental)
655
656 * src/RIFF.cpp, src/RIFF.h:
657 - added write support
658 - Chunk::LoadChunkData() can now be called again to resize the buffer
659 after a Chunk::Resize() and before the File::Save() call to allow
660 placing the new data in the chunk's write buffer and perform the
661 resize and write operations in one rush
662
663 * src/gigdump.cpp:
664 - fixed to show the correct amount of dimension regions instead of 32
665 (patch by James Wylder)
666
667 * src/dlsdump.cpp:
668 - show for every region the name of the referenced sample
669 - show file name in quotation marks
670
671 Version 2.0.2 (15 Aug 2005)
672
673 * packaging changes:
674 - require automake (>= 1.5) for 'make -f Makefile.cvs'
675 (mandatory for 'dist-bzip2' automake option)
676
677 * src/gig.cpp, src/gig.h:
678 - support for gig v3 multi-file format (.gig, .gx01, .gx02, ...),
679 the extension files are read automatically when the samples are
680 loaded
681 - fixed the 24 bit decompression, the result should now be exact
682 instead of an approximation
683 - added VCFCutoffControllerInvert parameter and GetVelocityCutoff
684 function to DimensionRegion
685
686 * src/DLS.cpp, src/DLS.h:
687 - the upper bits of the pool table indices are read (used as
688 extension file numbers for gig v3)
689
690 * src/RIFF.cpp, src/RIFF.h:
691 - the file name is remembered in the RIFF::File object
692
693 Version 2.0.1 (12 Jun 2005)
694
695 * packaging changes:
696 - include debian/ directory on 'make dist'
697 - create a bzip2 tarball on 'make dist'
698
699 * src/gigextract.cpp:
700 - show also version of libsndfile or build version of libaudiofile when
701 using the -v switch
702 - fixed mutual link dependency to libsndfile / libaudiofile
703
704 * src/gig.cpp, src/gig.h:
705 - added DimensionRegion::GetVelocityRelease function
706
707 Version 2.0.0 (9 May 2005)
708
709 * packaging changes:
710 - fixed conditional linkage of either libsndfile or libaudiofile
711 (if none of the two exist, configure script will abort)
712 - man pages are now auto generated with the correct libgig version
713
714 * src/gig.cpp, src/gig.h:
715 - experimental support for Gigasampler v3 format;
716 64 bit file offsets are truncated to 32 bit, 24 bit samples are
717 truncated to 16 bit, up to 8 dimensions are read, additional
718 articulation informations are ignored at the moment
719 (patch by Andreas Persson)
720 - added some file format compatibility checks
721 - fixed vcf_type_lowpassturbo value (vcf_type_lowpassturbo was actually
722 never used, because the necessary check was made before
723 initialization)
724 - fixed crossfade points order (structure for big endian and little
725 endian systems was interchanged)
726 - fixed some memory leaks (patch by 'Gene', a.k.a Anders Alm)
727 - fixed crash which occured when patches did not have a sample assigned
728 to their region or dimension region (patch by Andreas Persson)
729 - support for compressed mono samples
730 - experimental support for compressed 24 bit samples
731 - fixed decompression on big-endian CPUs
732 - fixed decompression bug that truncated the last block of samples
733 - external decompression buffers can now be used for streaming samples
734 to avoid race conditions in case of multiple streaming threads
735 - added pre-calculated sample attenuation parameter
736 - added v3 "random" and "round robin" dimensions
737 - implemented progress indicator callback mechanism for loading
738 instruments and samples
739 - added functions libraryName() and libraryVersion()
740
741 * src/DLS.cpp, src/DLS.h:
742 - fixed File constructor which caused variable File::Instruments always
743 to be zero
744 - added functions libraryName() and libraryVersion()
745
746 * src/RIFF.cpp, src/RIFF.h:
747 - fixed method List::LoadSubChunks() which did not restore the original
748 position within the body of the given list chunk
749 - added functions libraryName() and libraryVersion()
750
751 * src/rifftree.cpp:
752 - added command line switch -v to show rifftree's revision and the used
753 libgig version
754
755 * src/dlsdump.cpp:
756 - added command line switch -v to show dlsdump's revision and the used
757 libgig version
758
759 * src/gigdump.cpp:
760 - added output of UnityNote, FineTune, Gain, SampleStartOffset an
761 LoopPlayCount
762 - added command line switch -v to show gigdump's revision and the used
763 libgig version
764
765 * src/gigextract.cpp:
766 - support for compressed mono samples and compressed 24 bit samples
767 - added command line switch -v to show gigextract's revision and the
768 used libgig version
769
770 Version 1.0.0 (26 Nov 2004)
771
772 * packaging changes:
773 - renamed 'libgig.pc.in' -> 'gig.pc.in' and renamed pkg-config lib name
774 'libgig' -> 'gig' as it's common practice to omit the 'lib' prefix
775 - fixed man pages automake install rule (which didn't work on Mandrake,
776 SuSE and Fedora)
777 - fixed generation of Doxygen API documentation (now also included in
778 RPM and Debian packages)
779
780 * src/gig.cpp, src/gig.h:
781 - fixed / improved accuracy of all three velocity to volume
782 transformation functions a.k.a. 'nonlinear','linear','special'
783 (patch by Andreas Persson)
784 - denormals are filtered from the velocity to volume tables
785 - bugfix for dimension region switching (wrong handling of the release
786 trigger dimension, no bit range check for dimensions of split type
787 'split_type_bit')
788 - fixed panorama value in DimensionRegion (invalid conversion from
789 signed 7 bit to signed 8 bit)
790 - added class attribute 'Layers' to class 'gig::Region'
791 - symbol prototyping of gig::Region (fixes build failure with qsampler)
792
793 * src/gigextract.cpp:
794 - added support for libsndfile (if libaudiofile and libsndfile are
795 available then libsndfile is preferred)
796
797 * src/gigdump.cpp:
798 - added printout for dimension informations (amount, type, bits, zones)
799 - added printout for velocity response curve parameters
800 - added printout for crossfade definitions
801 - added printout for panorama value for each DimensionRegion
802 - replaced printout of DLS Region layer by printout of amount of
803 Gigasampler layers
804
805 Version 0.7.1 (2 Jul 2004)
806
807 * packaging changes:
808 - added libgig.spec and libgig.pc package configurations for generating
809 Redhat packages
810 - header files included on installation.
811 - autotools-generated files removed from CVS repository.
812 - added support for generating Debian packages
813 - version of shared library can be set in configure.in
814
815 Version 0.7.0 (3 May 2004)
816
817 * general changes:
818 - various big endian specific corrections
819 (successfully tested now on PPC)
820 - minor adjustments to avoid compile errors on some systems
821 (using now pow() instead of powl() and --pedantic g++ compiler switch)
822 - libtoolized the library
823 - added man pages for the command line tools
824 (gigextract, gigdump, dlsdump, rifftree)
825
826 * src/gig.cpp, src/gig.h:
827 - fixed bug in decompression algorithm which caused it not to detect
828 the end of a stream
829 - added method GetVelocityAttenuation() to class 'DimensionRegion' which
830 takes the MIDI key velocity value as an argument and returns the
831 appropriate volume factor (0.0 ... 1.0) for the sample to be played
832 back, the velocity curve transformation functions used for this are
833 only an approximation so far
834 - fixed class attributes 'Sample::LoopStart', 'Sample::LoopEnd' and
835 'Sample::LoopSize' which reflected wrong values
836 - class attributes 'Sample::LoopStart' and 'Sample::LoopEnd' are now
837 measured in sample points instead of byte offset
838 - renamed misleading attribute name 'Sample::MIDIPitchFraction' to
839 'Sample::FineTune'
840 - added class attribute 'Sample::LoopSize'
841 - added method GetInstrument(uint index) to class 'File'
842 - added ReadAndLoop() method to class 'Sample' which is an extension to
843 the normal Read() method to honor the sample's looping information
844 while streaming from disk
845 - changed interface for 'attenuation_ctrl_t', 'eg1_ctrl_t' and
846 'eg2_ctrl_t': replaced this huge enumeration by a structure which
847 reflects the MIDI controller number in case of an ordinary control
848 change controller (this saves a huge switch-case block in the
849 application of the library user)
850 - renamed following attributes in class 'DimensionRegion':
851 'AttenuationContol' -> 'AttenuationController',
852 'InvertAttenuationControl' -> 'InvertAttenuationController',
853 'AttenuationControlTreshold' -> 'AttenuationControllerThreshold'
854 - minor fix in API documentation for method GetVelocityAttenuation() in
855 class 'DimensionRegion'
856
857 * src/RIFF.cpp, src/RIFF.h:
858 - added additional API documentation
859 - minor fix in Chunk::Read() method (only a minor efficiency issue)
860
861 * src/gigdump.cpp:
862 - added printout of samples' looping informations
863
864 Version 0.6.0 (3 Nov 2003)
865
866 * initial release

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