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revision 1065 by schoenebeck, Sun Mar 4 02:09:10 2007 UTC revision 1928 by schoenebeck, Fri Jul 3 11:14:46 2009 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version CVS HEAD (?)
2    
3    * packaging changes:    * packaging changes:
4        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
5          causing e.g. the libgig test to fail when
6          "./configure --disable-jack-driver" was used
7          (patch by Alexis Ballier)
8        - fixed compilation with gcc 4.3
9        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
10        - fixed configure so it detects x86_64 (#107)
11        - fixes for building with newer MinGW versions
12        - fix for building with bison 2.4 (#111)
13        - fixed building with libgig installed in a non-standard directory
14        - minor fix in configure for mmsystem.h detection on MinGW
15        - Windows: look for editor plugins and Fantasia using base
16          directory of liblinuxsampler dll (look in the same directory and one
17          directory above)
18        - configure script fix: removed unconditional use of SSE
19        - fixed building with sqlite installed in a non-standard directory
20    
21      * general changes:
22        - bugfix: on some POSIX systems instrument editor plugins refused to
23          load as we used a non-portable Linux specific struct field
24          (fixes bug #70, patch by Ronald Baljeu)
25        - fixed endless loop which occured when loading an instrument editor
26          plugin DLL on Windows systems failed
27        - fixed memory leaks that occurred when liblinuxsampler was unloaded
28        - optimized the SynchronizedConfig class so it doesn't wait
29          unnecessarily long after an update
30        - added support for notifying instrument editors on note-on / note-off
31          events (e.g. to highlight the pressed keys on the virtual keyboard
32          of gigedit)
33        - added support for triggering notes by instrument editors (see above)
34        - be verbose on DLL load errors (on Linux)
35        - fixed di-harmonic triangle LFO implementation (this LFO implementation
36          is only used by very few systems, most pick the int math
37          implementation, which is usually faster)
38        - fixes for audio drivers with varying buffer sizes
39        - experimental support for running LinuxSampler as a DSSI, LV2 and
40          VST plugin
41        - notification events for stream/voice count statistics are now sent
42          only when there are actual changes
43        - added memory ordering constraints to improve stability on
44          multi-core and multi-cpu systems
45        - maximum voices and disk streams can now be altered at runtime
46        - fixed CPU feature detection on x86_64 (maybe fixes #108)
47        - automatic stacktrace mechanism is now turned off by default and can
48          be switched on by command line option "--stacktrace" (the automatic
49          stacktrace mechanism seems to be broken on most systems at the moment)
50        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
51          a pointer to the launched InstrumentEditor object
52        - added optional 3rd party user data parameter for following
53          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
54          InstrumentEditor::Launch(),
55          InstrumentManager::LaunchInstrumentEditor()
56        - theoretical fix: made SynchronizedConfig follow C++0x memory
57          model more strictly
58        - fixes for using large audio device buffers
59    
60      * audio driver:
61        - removed the nonsense audio channel constraint (which was hard coded to
62          max. 100 audio channels) for most audio drivers
63        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
64          opposed to the LSCP specs
65        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
66          reflected the wrong value
67        - fixed a memory management bug in ASIO driver
68        - Makefile fix: JACK_CFLAGS wasn't used
69        - JACK: use jack_client_open instead of the deprecated
70          jack_client_new
71        - added (experimental) CoreAudio driver
72        - applied old fixes to the ASIO driver that were included in the
73          previous binary release but accidentally never committed to CVS
74          (fixes #117)
75        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
76          win64)
77        - VST: added support for sample rate and buffer size changes
78        - VST: close editor (Fantasia) when the VST is removed
79        - VST: avoid opening Fantasia more than once for each VST instance
80        - VST: export main function as "main" on Linux too (fix for
81          energyXT)
82        - VST: changed number of output channels from one stereo to 16
83          stereo
84        - added channel routing, fxsends and midi maps to the settings
85          stored in the plugin state
86    
87      * MIDI driver:
88        - added JACK MIDI driver
89        - dispatch bank select as ordinary CC as well, the user might seriously
90          want to (mis)use it for some purpose ("fixed" in all current MIDI
91          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
92        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
93          CoreMidi or AU
94        - fixed mingw-w64 compilation error in MME driver
95        - made program change handling in MIDI thread real-time safe by
96          moving the logic to a non-RT thread
97    
98      * instruments database:
99        - avoid time consuming samples scanning when adding instruments
100          to the instruments database
101        - added support for handling lost files in the instruments database
102        - Implemented option for adding instruments in separate directories
103          in the instruments database
104          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
105        - work-around for missing fnmatch function on Windows to make
106          instrument database compilable
107            - added instrument database support on Windows
108              works with both standalone mode and VST plugin.
109              the instruments DB file is located in
110              %USERPROFILE%\.linuxsampler\instruments.db which allows different
111              databases for each windows user
112              if no DB is present it automatically creates the .linuxsampler subdir
113              and then creates an empty DB
114    
115      * Gigasampler format engine:
116        - fixed a memory leak that could happen when a channel was deleted
117          while notes were playing
118        - made it possible to load an instrument even if the audio thread
119          isn't running
120        - added partial support for the "Controller Triggered" MIDI rule,
121          enough for piano gigs with pedal noise samples
122        - minor fix: only mark FX sends as being modified if really the
123          respective FX send MIDI controller was used
124        - added support for GM global device volume SysEx message
125          (can be selected at compile time to either apply globally to the
126          whole sampler [default] or only to the sampler channels that are
127          connected to the respective MIDI input port the SysEx message arrived
128          on)
129        - bugfix: notes triggered at position 0 in the audio buffer were
130          sometimes wrongly killed in the same buffer, causing no sound to
131          be played
132        - added support for chromatic / drumkit mode Roland GS Sysex message
133          which is usally used to switch a part between chromatic sounds and
134          drumkit sounds (as opposed to their common default setting of MIDI
135          part 10 being a drumkit part and all other ones chromatic parts), in
136          LS however one can switch between the first 16 MIDI instrument maps
137          defined for the sampler
138        - made it possible to create multiple sample channels even if the
139          audio thread isn't running
140        - fixed crash when removing channel with active voices (#116)
141        - bugfix: on sample reference changes (instrument editor), only
142          un-cache the respective sample if it's really not used by any
143          sampler engine anymore
144        - re-cache samples in case they were changed by an instrument editor,
145          e.g. when a sample was added while playing (#82)
146        - fixed hanging notes which occured when note-off event had the exact
147          same time stamp as the voice's note-on event and occured both in the
148          same audio fragment cycle (fixes bug #112)
149        - added support for the "fine tune" and "pitch bend range"
150          instrument-level gig parameters
151        - fixed minor artifacts in pitch bend handling
152        - added support for GS Reset SysEx message
153        - allow gig files to use unlimited downward pitch shifting
154        - added a limit check for upward pitch shifting
155        - bugfix: sometimes, when playing a note twice fast, the second
156          note was silent
157        - fixed crash happening when a pitch bend event arrived at the
158          same time a new instrument was loading
159    
160      * LSCP server:
161        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
162          react on MIDI data arriving on certain sampler channels (so far only
163          Note-On and Note-Off events are sent via this LSCP event)
164        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
165          react on MIDI data arriving on certain MIDI input devices (so far only
166          Note-On and Note-Off events are sent via this LSCP event)
167        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
168          SET DB_INSTRUMENT FILE_PATH
169        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
170          frontends to send MIDI messages to specific sampler channel
171        - added two additional fields to GET FILE INSTRUMENT INFO command -
172          KEY_BINDINGS and KEYSWITCH_BINDINGS
173        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
174          was incorrect
175        - Optimized the retrieval of the MIDI instrument mappings
176        - added new LSCP command "SET VOICES" to globally alter the maximum
177          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
178          be triggered respectively
179        - added new LSCP command "SET STREAMS" to globally alter the maximum
180          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
181          which will be triggered respectively
182        - bugfix: retry if "select" returns EINTR (this fixes a crash when
183          a gigedit file dialog is opened)
184        - close all connections when LSCPServer is deleted
185        - hard close of all sockets on exit
186        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
187          driver
188    
189      * Bug fixes:
190        - fixed a crash which occurs when removing a sampler channel waiting
191          to start instrument loading after another channel
192        - fixed a crash which occurs when removing a sampler channel with
193          instrument loading in progress (bug #113)
194        - fixed termination caused by uncaught exception when adding MIDI
195          instrument with PERSISTENT load mode
196        - fixed possible iterator invalidations when resetting the sampler
197        - fixed memory leaks when issuing the following LSCP commands:
198          GET AUDIO_OUTPUT_DRIVER INFO
199          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
200          GET MIDI_INPUT_DRIVER INFO
201          GET MIDI_INPUT_DRIVER_PARAMETER INFO
202        - fixed possible compilation error when sqlite is not present
203        - fixed orphaned pointers when setting maximum voices limit (bug #118)
204        - fixed crash when changing the audio output device of a sampler
205          channel with loaded instrument and start playing notes
206        - fixed endless loop in Engine::SuspendAll() (bug #120)
207        - fixed a low-level atomic load function that was broken on 64-bit
208          PowerPC, which probably could cause crashes on that platform
209        - fixed a memory management error which could cause a crash when a
210          plugin was unloaded
211        - bugfix: two private structs had the same name, which could cause
212          problems if the linker chose the wrong constructor
213    
214    
215    Version 0.5.1 (6 December 2007)
216    
217      * packaging changes:
218        - added autoconf checks for pthread library
219        - added autoconf check for pthread bug found on certain NPTL-enabled
220          glibc versions (see Gentoo bug report #194076)
221        - added autoconf checks for MS Windows
222    
223      * general changes:
224        - bugfix: the thread used by an editor plugin didn't die when the
225          editor closed
226        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
227          out all the space. operator--() did not apply size_mask after
228          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
229          order to avoid problems with the _NonVolatileReader functions.
230        - bugfix: Stream.h: added a missing divide by BytesPerSample in
231          GetWriteSpace(). Since this function is currently only used in
232          the stream's qsort() compare function, it didn't trigger any
233          bugs.
234        - Resampler.h, Synthesizer.h: cubic interpolation now works in
235          24bit mode too. Faster method to read 24bit words on little
236          endian machines (x86): replaced 3 byte reads + shifts with a 1
237          unaligned 32bit read and shift
238        - experimental support for MS Windows (MIDI input via MME, AUDIO
239          output via ASIO)
240        - made handling of SIGINT signal (Ctrl-C) a bit more robust
241        - support for monitoring the total number of active disk streams
242          (new LSCP commands: GET TOTAL_STREAM_COUNT,
243          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
244    
245      * AUDIO driver:
246        - added Windows ASIO low latency audio driver
247    
248      * MIDI driver:
249        - added MME Windows MIDI driver
250    
251      * LSCP server:
252        - added support for Windows style path / filenames, however with
253          forward slash path separators instead of backslash
254          (i.e. "C:/foo/bar.gig")
255        - allow naughty liblscp to send non-string device parameters within
256          apostrophes as well
257        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
258          "LIST FILE INSTRUMENTS <file>" and
259          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
260          about an arbitrary instrument file on the system where the sampler is
261          running on
262    
263    Version 0.5.0 (15 October 2007)
264    
265      * packaging changes:
266        - config.h is not going to be installed along with liblinuxsampler's
267          API header files anymore
268      - only the API relevant header (and source) files will be exported to      - only the API relevant header (and source) files will be exported to
269        the Doxygen API documentation (explicitly listed in Doxyfile.in)        the Doxygen API documentation (explicitly listed in Doxyfile.in)
270        - added completely new XCode project files for Mac OSX which is now
271          capable to execute our autoconf environment, thus no need anymore
272          to maintain the compile time configuration file (osx/version.h) for
273          OSX manually (patch by Toshi Nagata)
274        - fixed buggy boolean --enable-foo / --disable-foo configure script
275          parameters
276        - global.h now only covers global definitions that are needed for the
277          C++ API header files, all implementation internal global definitions
278          are now in global_private.h
279        - atomic.h is not exposed to the C++ API anymore
280        - no need to include config.h anymore for using LS's API header files
281        - fixed warnings in API doc generation
282    
283    * general changes:    * general changes:
284      - replaced the old, confusing MIDI program change mechanism by a      - replaced the old, confusing MIDI program change mechanism by a
# Line 21  Version CVS HEAD (?) Line 297  Version CVS HEAD (?)
297        MIDI instrument maps and assign each sampler channel individually        MIDI instrument maps and assign each sampler channel individually
298        a certain map, so that i.e. separation of normal instruments and        a certain map, so that i.e. separation of normal instruments and
299        drumkits is possible        drumkits is possible
300      - new notification events for tracking audio/MIDI device changes,      - new notification events for tracking changes to audio/MIDI devices,
301        MIDI instrument map changes and MIDI instrument changes        MIDI instrument maps, MIDI instruments, FX sends, global volume.
302      - sampler was limited to load max. 200 instruments in the background      - sampler was limited to load max. 200 instruments in the background
303        due to a constant size RingBuffer FIFO which is now replaced by a        due to a constant size RingBuffer FIFO which is now replaced by a
304        dynamic (unlimited) size std::list FIFO        dynamic (unlimited) size std::list FIFO
# Line 31  Version CVS HEAD (?) Line 307  Version CVS HEAD (?)
307        (i.e. jack-rack), the send levels are controllable via arbitrary MIDI        (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
308        controllers        controllers
309      - global (sampler wide) volume can now be controlled at runtime      - global (sampler wide) volume can now be controlled at runtime
310        - Implemented new, improved notification system
311        - fixed compilation errors regarding OSX
312          (patch by Toshi Nagata)
313        - implemented instruments database
314        - added support for escape sequences to the instruments database
315        - added highly experimental support for on-the-fly instrument editing
316          within the sampler's process (by using instrument editor plugins),
317          you'll notice the new "Registered instrument editors:" message on
318          startup, added a new LSCP command:
319          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
320          to spawn a matching instrument editor for the instrument on the
321          given sampler channel, the plugin path can be overridden at compile
322          time with ./configure --enable-plugin-dir=/some/dir
323        - added experimental code for synchronizing instrument editors hosted
324          in the sampler's process to safely edit instruments while playing
325          without a crash (hopefully) by either suspending single regions
326          wherever possible or if unavoidable whole engine(s)
327        - fixed several issues in fundamental "Thread" class: set scheduling
328          policy and priority on thread level, set a minimum stack size for
329          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
330          threads simply inherited properties of starting thread instead of
331          setting their own policy and priority
332        - minor fix in our automatic stack trace mechanism on crashes, the
333          main process did not wait for the stack trace process to finish
334          its output
335        - fixed some minor memory leaks
336        - reenabled assembly features support, at the moment only for
337          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
338        - minor assembly fix in x86 features detection (don't use the PIC
339          register, to avoid relocations in the text segment at runtime)
340        - POSIX callback functions of Thread.h are hidden
341    
342    * MIDI driver:    * MIDI driver:
343      - dispatch bank select (MSB and LSB) messages      - dispatch bank select (MSB and LSB) messages
# Line 53  Version CVS HEAD (?) Line 360  Version CVS HEAD (?)
360      - EG fine tuning: when attack is zero the EG starts at a level      - EG fine tuning: when attack is zero the EG starts at a level
361        above max sustain level, which means that there is a decay phase        above max sustain level, which means that there is a decay phase
362        even if sustain is 100%        even if sustain is 100%
363        - more EG fixes: the level could sometimes go below zero and cause
364          noises or crashes
365        - minor fix of EGDecay (patch by Toshi Nagata)
366        - fixed compiler error when --enable-override-filter-type was
367          supplied to the configure script (fixes #46)
368        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
369          instead of a fix value
370        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
371          127 (solo mode) only kill voices if the respective mode really
372          changed
373    
374      * LSCP server:
375        - fixed compile time error for old Bison versions
376          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
377        - parser now supports extended ASCII character set
378          (up to ASCII code 255, i.e. includes now umlauts and accents)
379        - filename arguments in LSCP commands now allow to use escape
380          sequences, that is directly literal as one of: \', \", \\, \n, \r,
381          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
382          code value like \xf2) (fixes bug #24)
383        - the following LSCP commands now also support escape sequences for at
384          least one of their text-based parameters (i.e. name, description):
385          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
386          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
387          "SET DB_INSTRUMENT_DIRECTORY NAME",
388          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
389          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
390          "FIND DB_INSTRUMENT_DIRECTORIES"
391        - returns verbose syntax errors (line and column where syntax error
392          occured, the unexpected character and the actually expected, possible
393          character(s), the latter only if less than 5 possibilities)
394        - made sure that LSCP syntax is not affected by gigedit locale
395          settings
396        - bugfix regarding strings parameter lists: all comma separated lists
397          of strings were treated as being one string containing commas
398          (fixes #57)
399    
400    * Bug fixes:    * Bug fixes:
401      - fixed crash occurring on certain LSCP scripts (Bug 39)      - fixed crash occurring on certain LSCP scripts (Bug 39)
402      - another thread safety fix for lscp "load engine" and "set      - another thread safety fix for lscp "load engine" and "set
403        channel audio output device"        channel audio output device"
404        - fixed a crash which occurs when reassigning the same engine
405          on a sampler channel with connected MIDI device
406        - fixed a crash which occurs when changing the number of ports of a MIDI
407          device connected to a sampler channel to number less then or equal
408          to the index of the port to which the sampler channel is connected.
409        - The previous bindings were not been disconnected when altering
410          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
411          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
412        - The active stream/voice count statistic was incorrect.
413        - notification events were not been sent for some sampler
414          channel changes
415        - added default min and max values to restrict the number of allowed
416          audio output channels and MIDI input ports
417        - the connection to the PCM interface is now closed when destroying
418          an audio output device
419        - files with slash in their path or filename could not be loaded
420    
421      * test cases:
422        - updated and fixed (haven't been touched in a while)
423    
424  Version 0.4.0 (24 November 2006)  Version 0.4.0 (24 November 2006)
425    

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