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revision 1149 by schoenebeck, Sat Apr 7 22:32:47 2007 UTC revision 2024 by schoenebeck, Sun Nov 1 18:46:45 2009 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version CVS HEAD (?)
2    
3      * General changes:
4        - Refactoring: moved the independent code from
5          the Gigasampler format engine to base classes
6    
7      * SFZ format engine
8        - Initial implementation (not usable yet)
9    
10      * SoundFont format engine
11        - Initial implementation (not usable yet)
12    
13      * Host plugins:
14        - AU bugfix: failed to destroy its audio/MIDI devices
15        - Listen to all interfaces on Mac OS X (INADDR_ANY)
16    
17      * MIDI driver:
18        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
19          the ALSA sequencer client name
20    
21      * LSCP server:
22        - added support for sending MIDI CC messages via LSCP command
23          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
24    
25      * Bug fixes:
26        - Fixed crash which may occur when MIDI key + transpose is out of range
27    
28    Version 1.0.0 (31 July 2009)
29    
30    * packaging changes:    * packaging changes:
31        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
32          causing e.g. the libgig test to fail when
33          "./configure --disable-jack-driver" was used
34          (patch by Alexis Ballier)
35        - fixed compilation with gcc 4.3
36        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
37        - fixed configure so it detects x86_64 (#107)
38        - fixes for building with newer MinGW versions
39        - fix for building with bison 2.4 (#111)
40        - fixed building with libgig installed in a non-standard directory
41        - minor fix in configure for mmsystem.h detection on MinGW
42        - Windows: look for editor plugins and Fantasia using base
43          directory of liblinuxsampler dll (look in the same directory and one
44          directory above)
45        - configure script fix: removed unconditional use of SSE
46        - fixed building with sqlite installed in a non-standard directory
47        - when cross-compiling, don't try to create instruments.db
48        - fix for new mingw-w64 version, which has usleep
49    
50      * general changes:
51        - bugfix: on some POSIX systems instrument editor plugins refused to
52          load as we used a non-portable Linux specific struct field
53          (fixes bug #70, patch by Ronald Baljeu)
54        - fixed endless loop which occured when loading an instrument editor
55          plugin DLL on Windows systems failed
56        - fixed memory leaks that occurred when liblinuxsampler was unloaded
57        - optimized the SynchronizedConfig class so it doesn't wait
58          unnecessarily long after an update
59        - added support for notifying instrument editors on note-on / note-off
60          events (e.g. to highlight the pressed keys on the virtual keyboard
61          of gigedit)
62        - added support for triggering notes by instrument editors (see above)
63        - be verbose on DLL load errors (on Linux)
64        - fixed di-harmonic triangle LFO implementation (this LFO implementation
65          is only used by very few systems, most pick the int math
66          implementation, which is usually faster)
67        - fixes for audio drivers with varying buffer sizes
68        - experimental support for running LinuxSampler as a DSSI, LV2 and
69          VST plugin
70        - notification events for stream/voice count statistics are now sent
71          only when there are actual changes
72        - added memory ordering constraints to improve stability on
73          multi-core and multi-cpu systems
74        - maximum voices and disk streams can now be altered at runtime
75        - fixed CPU feature detection on x86_64 (maybe fixes #108)
76        - automatic stacktrace mechanism is now turned off by default and can
77          be switched on by command line option "--stacktrace" (the automatic
78          stacktrace mechanism seems to be broken on most systems at the moment)
79        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
80          a pointer to the launched InstrumentEditor object
81        - added optional 3rd party user data parameter for following
82          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
83          InstrumentEditor::Launch(),
84          InstrumentManager::LaunchInstrumentEditor()
85        - theoretical fix: made SynchronizedConfig follow C++0x memory
86          model more strictly
87        - fixes for using large audio device buffers
88        - Windows: add the installation directory to the DLL search path
89          when loading an editor plugin (solves problems with VST and
90          gigedit on systems with other GTK versions installed)
91    
92      * audio driver:
93        - removed the nonsense audio channel constraint (which was hard coded to
94          max. 100 audio channels) for most audio drivers
95        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
96          opposed to the LSCP specs
97        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
98          reflected the wrong value
99        - fixed a memory management bug in ASIO driver
100        - Makefile fix: JACK_CFLAGS wasn't used
101        - JACK: use jack_client_open instead of the deprecated
102          jack_client_new
103        - added (experimental) CoreAudio driver
104        - applied old fixes to the ASIO driver that were included in the
105          previous binary release but accidentally never committed to CVS
106          (fixes #117)
107        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
108          win64)
109        - VST: added support for sample rate and buffer size changes
110        - VST: close editor (Fantasia) when the VST is removed
111        - VST: avoid opening Fantasia more than once for each VST instance
112        - VST: export main function as "main" on Linux too (fix for
113          energyXT)
114        - VST: changed number of output channels from one stereo to 16
115          stereo
116        - added channel routing, fxsends and midi maps to the settings
117          stored in the plugin state
118        - performance optimization of AudioChannel::MixTo() and
119          AudioChannel::CopyTo() methods using GCC vector exensions
120          (if available)
121        - ASIO fixes: avoid initializing the device twice, avoid throwing
122          exception when getting parameters from a disconnected device
123    
124      * MIDI driver:
125        - added JACK MIDI driver
126        - dispatch bank select as ordinary CC as well, the user might seriously
127          want to (mis)use it for some purpose ("fixed" in all current MIDI
128          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
129        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
130          CoreMidi or AU
131        - fixed mingw-w64 compilation error in MME driver
132        - made program change handling in MIDI thread real-time safe by
133          moving the logic to a non-RT thread
134        - fixed minor memory leak in ALSA driver
135    
136      * instruments database:
137        - avoid time consuming samples scanning when adding instruments
138          to the instruments database
139        - added support for handling lost files in the instruments database
140        - Implemented option for adding instruments in separate directories
141          in the instruments database
142          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
143        - work-around for missing fnmatch function on Windows to make
144          instrument database compilable
145        - added instrument database support on Windows
146          works with both standalone mode and VST plugin.
147          the instruments DB file is located in
148          %USERPROFILE%\.linuxsampler\instruments.db which allows different
149          databases for each windows user
150          if no DB is present it automatically creates the .linuxsampler subdir
151          and then creates an empty DB
152        - fixed recursive import, which was broken on Windows
153    
154      * Gigasampler format engine:
155        - fixed a memory leak that could happen when a channel was deleted
156          while notes were playing
157        - made it possible to load an instrument even if the audio thread
158          isn't running
159        - added partial support for the "Controller Triggered" MIDI rule,
160          enough for piano gigs with pedal noise samples
161        - minor fix: only mark FX sends as being modified if really the
162          respective FX send MIDI controller was used
163        - added support for GM global device volume SysEx message
164          (can be selected at compile time to either apply globally to the
165          whole sampler [default] or only to the sampler channels that are
166          connected to the respective MIDI input port the SysEx message arrived
167          on)
168        - bugfix: notes triggered at position 0 in the audio buffer were
169          sometimes wrongly killed in the same buffer, causing no sound to
170          be played
171        - added support for chromatic / drumkit mode Roland GS Sysex message
172          which is usally used to switch a part between chromatic sounds and
173          drumkit sounds (as opposed to their common default setting of MIDI
174          part 10 being a drumkit part and all other ones chromatic parts), in
175          LS however one can switch between the first 16 MIDI instrument maps
176          defined for the sampler
177        - made it possible to create multiple sample channels even if the
178          audio thread isn't running
179        - fixed crash when removing channel with active voices (#116)
180        - bugfix: on sample reference changes (instrument editor), only
181          un-cache the respective sample if it's really not used by any
182          sampler engine anymore
183        - re-cache samples in case they were changed by an instrument editor,
184          e.g. when a sample was added while playing (#82)
185        - fixed hanging notes which occured when note-off event had the exact
186          same time stamp as the voice's note-on event and occured both in the
187          same audio fragment cycle (fixes bug #112)
188        - added support for the "fine tune" and "pitch bend range"
189          instrument-level gig parameters
190        - fixed minor artifacts in pitch bend handling
191        - added support for GS Reset SysEx message
192        - allow gig files to use unlimited downward pitch shifting
193        - added a limit check for upward pitch shifting
194        - bugfix: sometimes, when playing a note twice fast, the second
195          note was silent
196        - fixed crash happening when a pitch bend event arrived at the
197          same time a new instrument was loading
198    
199      * LSCP server:
200        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
201          react on MIDI data arriving on certain sampler channels (so far only
202          Note-On and Note-Off events are sent via this LSCP event)
203        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
204          react on MIDI data arriving on certain MIDI input devices (so far only
205          Note-On and Note-Off events are sent via this LSCP event)
206        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
207          SET DB_INSTRUMENT FILE_PATH
208        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
209          frontends to send MIDI messages to specific sampler channel
210        - added two additional fields to GET FILE INSTRUMENT INFO command -
211          KEY_BINDINGS and KEYSWITCH_BINDINGS
212        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
213          was incorrect
214        - Optimized the retrieval of the MIDI instrument mappings
215        - added new LSCP command "SET VOICES" to globally alter the maximum
216          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
217          be triggered respectively
218        - added new LSCP command "SET STREAMS" to globally alter the maximum
219          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
220          which will be triggered respectively
221        - bugfix: retry if "select" returns EINTR (this fixes a crash when
222          a gigedit file dialog is opened)
223        - close all connections when LSCPServer is deleted
224        - hard close of all sockets on exit
225        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
226          driver
227    
228      * Bug fixes:
229        - fixed a crash which occurs when removing a sampler channel waiting
230          to start instrument loading after another channel
231        - fixed a crash which occurs when removing a sampler channel with
232          instrument loading in progress (bug #113)
233        - fixed termination caused by uncaught exception when adding MIDI
234          instrument with PERSISTENT load mode
235        - fixed possible iterator invalidations when resetting the sampler
236        - fixed memory leaks when issuing the following LSCP commands:
237          GET AUDIO_OUTPUT_DRIVER INFO
238          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
239          GET MIDI_INPUT_DRIVER INFO
240          GET MIDI_INPUT_DRIVER_PARAMETER INFO
241        - fixed possible compilation error when sqlite is not present
242        - fixed orphaned pointers when setting maximum voices limit (bug #118)
243        - fixed crash when changing the audio output device of a sampler
244          channel with loaded instrument and start playing notes
245        - fixed endless loop in Engine::SuspendAll() (bug #120)
246        - fixed a low-level atomic load function that was broken on 64-bit
247          PowerPC, which probably could cause crashes on that platform
248        - fixed a memory management error which could cause a crash when a
249          plugin was unloaded
250        - bugfix: two private structs had the same name, which could cause
251          problems if the linker chose the wrong constructor
252        - fixed low-level ConditionServer usage bug that caused lockups on
253          Windows
254    
255    
256    Version 0.5.1 (6 December 2007)
257    
258      * packaging changes:
259        - added autoconf checks for pthread library
260        - added autoconf check for pthread bug found on certain NPTL-enabled
261          glibc versions (see Gentoo bug report #194076)
262        - added autoconf checks for MS Windows
263    
264      * general changes:
265        - bugfix: the thread used by an editor plugin didn't die when the
266          editor closed
267        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
268          out all the space. operator--() did not apply size_mask after
269          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
270          order to avoid problems with the _NonVolatileReader functions.
271        - bugfix: Stream.h: added a missing divide by BytesPerSample in
272          GetWriteSpace(). Since this function is currently only used in
273          the stream's qsort() compare function, it didn't trigger any
274          bugs.
275        - Resampler.h, Synthesizer.h: cubic interpolation now works in
276          24bit mode too. Faster method to read 24bit words on little
277          endian machines (x86): replaced 3 byte reads + shifts with a 1
278          unaligned 32bit read and shift
279        - experimental support for MS Windows (MIDI input via MME, AUDIO
280          output via ASIO)
281        - made handling of SIGINT signal (Ctrl-C) a bit more robust
282        - support for monitoring the total number of active disk streams
283          (new LSCP commands: GET TOTAL_STREAM_COUNT,
284          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
285    
286      * AUDIO driver:
287        - added Windows ASIO low latency audio driver
288    
289      * MIDI driver:
290        - added MME Windows MIDI driver
291    
292      * LSCP server:
293        - added support for Windows style path / filenames, however with
294          forward slash path separators instead of backslash
295          (i.e. "C:/foo/bar.gig")
296        - allow naughty liblscp to send non-string device parameters within
297          apostrophes as well
298        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
299          "LIST FILE INSTRUMENTS <file>" and
300          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
301          about an arbitrary instrument file on the system where the sampler is
302          running on
303    
304    Version 0.5.0 (15 October 2007)
305    
306      * packaging changes:
307        - config.h is not going to be installed along with liblinuxsampler's
308          API header files anymore
309      - only the API relevant header (and source) files will be exported to      - only the API relevant header (and source) files will be exported to
310        the Doxygen API documentation (explicitly listed in Doxyfile.in)        the Doxygen API documentation (explicitly listed in Doxyfile.in)
311        - added completely new XCode project files for Mac OSX which is now
312          capable to execute our autoconf environment, thus no need anymore
313          to maintain the compile time configuration file (osx/version.h) for
314          OSX manually (patch by Toshi Nagata)
315        - fixed buggy boolean --enable-foo / --disable-foo configure script
316          parameters
317        - global.h now only covers global definitions that are needed for the
318          C++ API header files, all implementation internal global definitions
319          are now in global_private.h
320        - atomic.h is not exposed to the C++ API anymore
321        - no need to include config.h anymore for using LS's API header files
322        - fixed warnings in API doc generation
323    
324    * general changes:    * general changes:
325      - replaced the old, confusing MIDI program change mechanism by a      - replaced the old, confusing MIDI program change mechanism by a
# Line 34  Version CVS HEAD (?) Line 351  Version CVS HEAD (?)
351      - Implemented new, improved notification system      - Implemented new, improved notification system
352      - fixed compilation errors regarding OSX      - fixed compilation errors regarding OSX
353        (patch by Toshi Nagata)        (patch by Toshi Nagata)
354        - implemented instruments database
355        - added support for escape sequences to the instruments database
356        - added highly experimental support for on-the-fly instrument editing
357          within the sampler's process (by using instrument editor plugins),
358          you'll notice the new "Registered instrument editors:" message on
359          startup, added a new LSCP command:
360          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
361          to spawn a matching instrument editor for the instrument on the
362          given sampler channel, the plugin path can be overridden at compile
363          time with ./configure --enable-plugin-dir=/some/dir
364        - added experimental code for synchronizing instrument editors hosted
365          in the sampler's process to safely edit instruments while playing
366          without a crash (hopefully) by either suspending single regions
367          wherever possible or if unavoidable whole engine(s)
368        - fixed several issues in fundamental "Thread" class: set scheduling
369          policy and priority on thread level, set a minimum stack size for
370          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
371          threads simply inherited properties of starting thread instead of
372          setting their own policy and priority
373        - minor fix in our automatic stack trace mechanism on crashes, the
374          main process did not wait for the stack trace process to finish
375          its output
376        - fixed some minor memory leaks
377        - reenabled assembly features support, at the moment only for
378          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
379        - minor assembly fix in x86 features detection (don't use the PIC
380          register, to avoid relocations in the text segment at runtime)
381        - POSIX callback functions of Thread.h are hidden
382    
383    * MIDI driver:    * MIDI driver:
384      - dispatch bank select (MSB and LSB) messages      - dispatch bank select (MSB and LSB) messages
# Line 59  Version CVS HEAD (?) Line 404  Version CVS HEAD (?)
404      - more EG fixes: the level could sometimes go below zero and cause      - more EG fixes: the level could sometimes go below zero and cause
405        noises or crashes        noises or crashes
406      - minor fix of EGDecay (patch by Toshi Nagata)      - minor fix of EGDecay (patch by Toshi Nagata)
407        - fixed compiler error when --enable-override-filter-type was
408          supplied to the configure script (fixes #46)
409        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
410          instead of a fix value
411        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
412          127 (solo mode) only kill voices if the respective mode really
413          changed
414    
415      * LSCP server:
416        - fixed compile time error for old Bison versions
417          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
418        - parser now supports extended ASCII character set
419          (up to ASCII code 255, i.e. includes now umlauts and accents)
420        - filename arguments in LSCP commands now allow to use escape
421          sequences, that is directly literal as one of: \', \", \\, \n, \r,
422          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
423          code value like \xf2) (fixes bug #24)
424        - the following LSCP commands now also support escape sequences for at
425          least one of their text-based parameters (i.e. name, description):
426          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
427          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
428          "SET DB_INSTRUMENT_DIRECTORY NAME",
429          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
430          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
431          "FIND DB_INSTRUMENT_DIRECTORIES"
432        - returns verbose syntax errors (line and column where syntax error
433          occured, the unexpected character and the actually expected, possible
434          character(s), the latter only if less than 5 possibilities)
435        - made sure that LSCP syntax is not affected by gigedit locale
436          settings
437        - bugfix regarding strings parameter lists: all comma separated lists
438          of strings were treated as being one string containing commas
439          (fixes #57)
440    
441    * Bug fixes:    * Bug fixes:
442      - fixed crash occurring on certain LSCP scripts (Bug 39)      - fixed crash occurring on certain LSCP scripts (Bug 39)
443      - another thread safety fix for lscp "load engine" and "set      - another thread safety fix for lscp "load engine" and "set
444        channel audio output device"        channel audio output device"
445        - fixed a crash which occurs when reassigning the same engine
446          on a sampler channel with connected MIDI device
447        - fixed a crash which occurs when changing the number of ports of a MIDI
448          device connected to a sampler channel to number less then or equal
449          to the index of the port to which the sampler channel is connected.
450        - The previous bindings were not been disconnected when altering
451          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
452          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
453        - The active stream/voice count statistic was incorrect.
454        - notification events were not been sent for some sampler
455          channel changes
456        - added default min and max values to restrict the number of allowed
457          audio output channels and MIDI input ports
458        - the connection to the PCM interface is now closed when destroying
459          an audio output device
460        - files with slash in their path or filename could not be loaded
461    
462      * test cases:
463        - updated and fixed (haven't been touched in a while)
464    
465  Version 0.4.0 (24 November 2006)  Version 0.4.0 (24 November 2006)
466    

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