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revision 1244 by schoenebeck, Mon Jun 18 08:47:15 2007 UTC revision 2114 by persson, Tue Aug 10 12:05:19 2010 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version CVS HEAD (?)
2    
3    * packaging changes:    * packaging changes:
4        - fixed building with newer MinGW-w64
5    
6      * general changes:
7        - Refactoring: moved the independent code from
8          the Gigasampler format engine to base classes
9        - command line option '--profile' is currently disabled, since the
10          respective profiling code is currently broken
11        - Introduced support for optional environment variable
12          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
13          where the sampler shall look for instrument editor plugins
14          (patch by Luis Garrido, slightly modified).
15    
16      * Gigasampler format engine:
17        - implemented the "round robin keyboard" dimension
18        - fixed round robin and random dimensions for cases when number of
19          dimension zones is not a power of two
20        - made round robin use a counter for each region instead of each
21          key
22    
23      * SFZ format engine:
24        - Initial implementation (not usable yet)
25        - added support for v2 multiple stage envelope generators
26        - added a fine-tuned v1 envelope generator instead of using the
27          one from the gig engine
28        - fixed memory leak and memory handling errors
29        - added support for trigger=first, trigger=legato and sw_previous
30        - allow non-numerical key values ("C#4" for example)
31        - "key" opcode now sets pitch_keycenter too
32        - fixed error when unloading instrument with same sample used by
33          multiple regions
34        - added some opcode aliases, like loopmode for loop_mode, to be
35          more compatible
36        - added support for trigger=release and rt_decay
37        - added support for off_mode=normal
38        - added support for random, seq_position, seq_length and volume
39        - added v1 LFO opcodes to parser (no support in engine yet)
40        - added support for amp_veltrack and amp_velcurve_N
41        - fine-tuned the default velocity curve
42        - added support for transpose
43        - fixed crash when using sw_down/up
44        - improved logic for sw_lokey/hikey/up/down/last
45        - added more v1 aliases to parser
46        - reduced memory usage for sfz data
47        - RT-safeness: avoid malloc in audio thread
48        - fixed a bug that could cause voice stealing to fail
49        - optimized sample lookup
50        - improved support for exclusive groups (group, off_by and
51          off_mode)
52    
53      * SoundFont format engine:
54        - Initial implementation (not usable yet)
55        - RT-safeness: avoid malloc in audio thread
56        - fixed a bug that could cause voice stealing to fail
57    
58      * Host plugins:
59        - AU bugfix: failed to destroy its audio/MIDI devices
60        - Listen to all interfaces on Mac OS X (INADDR_ANY)
61        - VST bugfix: If the host called resume() before and after
62          changing sample rate or block size, the number of channels was
63          incorrectly set to two. This caused silence in Cubase 5.
64    
65      * MIDI driver:
66        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
67          the ALSA sequencer client name
68    
69      * LSCP server:
70        - added support for sending MIDI CC messages via LSCP command
71          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
72    
73      * Bug fixes:
74        - Fixed crash which may occur when MIDI key + transpose is out of range
75        - minor valgrind fixes
76    
77    Version 1.0.0 (31 July 2009)
78    
79      * packaging changes:
80        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
81          causing e.g. the libgig test to fail when
82          "./configure --disable-jack-driver" was used
83          (patch by Alexis Ballier)
84        - fixed compilation with gcc 4.3
85        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
86        - fixed configure so it detects x86_64 (#107)
87        - fixes for building with newer MinGW versions
88        - fix for building with bison 2.4 (#111)
89        - fixed building with libgig installed in a non-standard directory
90        - minor fix in configure for mmsystem.h detection on MinGW
91        - Windows: look for editor plugins and Fantasia using base
92          directory of liblinuxsampler dll (look in the same directory and one
93          directory above)
94        - configure script fix: removed unconditional use of SSE
95        - fixed building with sqlite installed in a non-standard directory
96        - when cross-compiling, don't try to create instruments.db
97        - fix for new mingw-w64 version, which has usleep
98    
99      * general changes:
100        - bugfix: on some POSIX systems instrument editor plugins refused to
101          load as we used a non-portable Linux specific struct field
102          (fixes bug #70, patch by Ronald Baljeu)
103        - fixed endless loop which occured when loading an instrument editor
104          plugin DLL on Windows systems failed
105        - fixed memory leaks that occurred when liblinuxsampler was unloaded
106        - optimized the SynchronizedConfig class so it doesn't wait
107          unnecessarily long after an update
108        - added support for notifying instrument editors on note-on / note-off
109          events (e.g. to highlight the pressed keys on the virtual keyboard
110          of gigedit)
111        - added support for triggering notes by instrument editors (see above)
112        - be verbose on DLL load errors (on Linux)
113        - fixed di-harmonic triangle LFO implementation (this LFO implementation
114          is only used by very few systems, most pick the int math
115          implementation, which is usually faster)
116        - fixes for audio drivers with varying buffer sizes
117        - experimental support for running LinuxSampler as a DSSI, LV2 and
118          VST plugin
119        - notification events for stream/voice count statistics are now sent
120          only when there are actual changes
121        - added memory ordering constraints to improve stability on
122          multi-core and multi-cpu systems
123        - maximum voices and disk streams can now be altered at runtime
124        - fixed CPU feature detection on x86_64 (maybe fixes #108)
125        - automatic stacktrace mechanism is now turned off by default and can
126          be switched on by command line option "--stacktrace" (the automatic
127          stacktrace mechanism seems to be broken on most systems at the moment)
128        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
129          a pointer to the launched InstrumentEditor object
130        - added optional 3rd party user data parameter for following
131          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
132          InstrumentEditor::Launch(),
133          InstrumentManager::LaunchInstrumentEditor()
134        - theoretical fix: made SynchronizedConfig follow C++0x memory
135          model more strictly
136        - fixes for using large audio device buffers
137        - Windows: add the installation directory to the DLL search path
138          when loading an editor plugin (solves problems with VST and
139          gigedit on systems with other GTK versions installed)
140    
141      * audio driver:
142        - removed the nonsense audio channel constraint (which was hard coded to
143          max. 100 audio channels) for most audio drivers
144        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
145          opposed to the LSCP specs
146        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
147          reflected the wrong value
148        - fixed a memory management bug in ASIO driver
149        - Makefile fix: JACK_CFLAGS wasn't used
150        - JACK: use jack_client_open instead of the deprecated
151          jack_client_new
152        - added (experimental) CoreAudio driver
153        - applied old fixes to the ASIO driver that were included in the
154          previous binary release but accidentally never committed to CVS
155          (fixes #117)
156        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
157          win64)
158        - VST: added support for sample rate and buffer size changes
159        - VST: close editor (Fantasia) when the VST is removed
160        - VST: avoid opening Fantasia more than once for each VST instance
161        - VST: export main function as "main" on Linux too (fix for
162          energyXT)
163        - VST: changed number of output channels from one stereo to 16
164          stereo
165        - added channel routing, fxsends and midi maps to the settings
166          stored in the plugin state
167        - performance optimization of AudioChannel::MixTo() and
168          AudioChannel::CopyTo() methods using GCC vector exensions
169          (if available)
170        - ASIO fixes: avoid initializing the device twice, avoid throwing
171          exception when getting parameters from a disconnected device
172    
173      * MIDI driver:
174        - added JACK MIDI driver
175        - dispatch bank select as ordinary CC as well, the user might seriously
176          want to (mis)use it for some purpose ("fixed" in all current MIDI
177          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
178        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
179          CoreMidi or AU
180        - fixed mingw-w64 compilation error in MME driver
181        - made program change handling in MIDI thread real-time safe by
182          moving the logic to a non-RT thread
183        - fixed minor memory leak in ALSA driver
184    
185      * instruments database:
186        - avoid time consuming samples scanning when adding instruments
187          to the instruments database
188        - added support for handling lost files in the instruments database
189        - Implemented option for adding instruments in separate directories
190          in the instruments database
191          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
192        - work-around for missing fnmatch function on Windows to make
193          instrument database compilable
194        - added instrument database support on Windows
195          works with both standalone mode and VST plugin.
196          the instruments DB file is located in
197          %USERPROFILE%\.linuxsampler\instruments.db which allows different
198          databases for each windows user
199          if no DB is present it automatically creates the .linuxsampler subdir
200          and then creates an empty DB
201        - fixed recursive import, which was broken on Windows
202    
203      * Gigasampler format engine:
204        - fixed a memory leak that could happen when a channel was deleted
205          while notes were playing
206        - made it possible to load an instrument even if the audio thread
207          isn't running
208        - added partial support for the "Controller Triggered" MIDI rule,
209          enough for piano gigs with pedal noise samples
210        - minor fix: only mark FX sends as being modified if really the
211          respective FX send MIDI controller was used
212        - added support for GM global device volume SysEx message
213          (can be selected at compile time to either apply globally to the
214          whole sampler [default] or only to the sampler channels that are
215          connected to the respective MIDI input port the SysEx message arrived
216          on)
217        - bugfix: notes triggered at position 0 in the audio buffer were
218          sometimes wrongly killed in the same buffer, causing no sound to
219          be played
220        - added support for chromatic / drumkit mode Roland GS Sysex message
221          which is usally used to switch a part between chromatic sounds and
222          drumkit sounds (as opposed to their common default setting of MIDI
223          part 10 being a drumkit part and all other ones chromatic parts), in
224          LS however one can switch between the first 16 MIDI instrument maps
225          defined for the sampler
226        - made it possible to create multiple sample channels even if the
227          audio thread isn't running
228        - fixed crash when removing channel with active voices (#116)
229        - bugfix: on sample reference changes (instrument editor), only
230          un-cache the respective sample if it's really not used by any
231          sampler engine anymore
232        - re-cache samples in case they were changed by an instrument editor,
233          e.g. when a sample was added while playing (#82)
234        - fixed hanging notes which occured when note-off event had the exact
235          same time stamp as the voice's note-on event and occured both in the
236          same audio fragment cycle (fixes bug #112)
237        - added support for the "fine tune" and "pitch bend range"
238          instrument-level gig parameters
239        - fixed minor artifacts in pitch bend handling
240        - added support for GS Reset SysEx message
241        - allow gig files to use unlimited downward pitch shifting
242        - added a limit check for upward pitch shifting
243        - bugfix: sometimes, when playing a note twice fast, the second
244          note was silent
245        - fixed crash happening when a pitch bend event arrived at the
246          same time a new instrument was loading
247    
248      * LSCP server:
249        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
250          react on MIDI data arriving on certain sampler channels (so far only
251          Note-On and Note-Off events are sent via this LSCP event)
252        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
253          react on MIDI data arriving on certain MIDI input devices (so far only
254          Note-On and Note-Off events are sent via this LSCP event)
255        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
256          SET DB_INSTRUMENT FILE_PATH
257        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
258          frontends to send MIDI messages to specific sampler channel
259        - added two additional fields to GET FILE INSTRUMENT INFO command -
260          KEY_BINDINGS and KEYSWITCH_BINDINGS
261        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
262          was incorrect
263        - Optimized the retrieval of the MIDI instrument mappings
264        - added new LSCP command "SET VOICES" to globally alter the maximum
265          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
266          be triggered respectively
267        - added new LSCP command "SET STREAMS" to globally alter the maximum
268          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
269          which will be triggered respectively
270        - bugfix: retry if "select" returns EINTR (this fixes a crash when
271          a gigedit file dialog is opened)
272        - close all connections when LSCPServer is deleted
273        - hard close of all sockets on exit
274        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
275          driver
276    
277      * Bug fixes:
278        - fixed a crash which occurs when removing a sampler channel waiting
279          to start instrument loading after another channel
280        - fixed a crash which occurs when removing a sampler channel with
281          instrument loading in progress (bug #113)
282        - fixed termination caused by uncaught exception when adding MIDI
283          instrument with PERSISTENT load mode
284        - fixed possible iterator invalidations when resetting the sampler
285        - fixed memory leaks when issuing the following LSCP commands:
286          GET AUDIO_OUTPUT_DRIVER INFO
287          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
288          GET MIDI_INPUT_DRIVER INFO
289          GET MIDI_INPUT_DRIVER_PARAMETER INFO
290        - fixed possible compilation error when sqlite is not present
291        - fixed orphaned pointers when setting maximum voices limit (bug #118)
292        - fixed crash when changing the audio output device of a sampler
293          channel with loaded instrument and start playing notes
294        - fixed endless loop in Engine::SuspendAll() (bug #120)
295        - fixed a low-level atomic load function that was broken on 64-bit
296          PowerPC, which probably could cause crashes on that platform
297        - fixed a memory management error which could cause a crash when a
298          plugin was unloaded
299        - bugfix: two private structs had the same name, which could cause
300          problems if the linker chose the wrong constructor
301        - fixed low-level ConditionServer usage bug that caused lockups on
302          Windows
303    
304    
305    Version 0.5.1 (6 December 2007)
306    
307      * packaging changes:
308        - added autoconf checks for pthread library
309        - added autoconf check for pthread bug found on certain NPTL-enabled
310          glibc versions (see Gentoo bug report #194076)
311        - added autoconf checks for MS Windows
312    
313      * general changes:
314        - bugfix: the thread used by an editor plugin didn't die when the
315          editor closed
316        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
317          out all the space. operator--() did not apply size_mask after
318          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
319          order to avoid problems with the _NonVolatileReader functions.
320        - bugfix: Stream.h: added a missing divide by BytesPerSample in
321          GetWriteSpace(). Since this function is currently only used in
322          the stream's qsort() compare function, it didn't trigger any
323          bugs.
324        - Resampler.h, Synthesizer.h: cubic interpolation now works in
325          24bit mode too. Faster method to read 24bit words on little
326          endian machines (x86): replaced 3 byte reads + shifts with a 1
327          unaligned 32bit read and shift
328        - experimental support for MS Windows (MIDI input via MME, AUDIO
329          output via ASIO)
330        - made handling of SIGINT signal (Ctrl-C) a bit more robust
331        - support for monitoring the total number of active disk streams
332          (new LSCP commands: GET TOTAL_STREAM_COUNT,
333          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
334    
335      * AUDIO driver:
336        - added Windows ASIO low latency audio driver
337    
338      * MIDI driver:
339        - added MME Windows MIDI driver
340    
341      * LSCP server:
342        - added support for Windows style path / filenames, however with
343          forward slash path separators instead of backslash
344          (i.e. "C:/foo/bar.gig")
345        - allow naughty liblscp to send non-string device parameters within
346          apostrophes as well
347        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
348          "LIST FILE INSTRUMENTS <file>" and
349          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
350          about an arbitrary instrument file on the system where the sampler is
351          running on
352    
353    Version 0.5.0 (15 October 2007)
354    
355      * packaging changes:
356      - config.h is not going to be installed along with liblinuxsampler's      - config.h is not going to be installed along with liblinuxsampler's
357        API header files anymore        API header files anymore
358      - only the API relevant header (and source) files will be exported to      - only the API relevant header (and source) files will be exported to
# Line 9  Version CVS HEAD (?) Line 361  Version CVS HEAD (?)
361        capable to execute our autoconf environment, thus no need anymore        capable to execute our autoconf environment, thus no need anymore
362        to maintain the compile time configuration file (osx/version.h) for        to maintain the compile time configuration file (osx/version.h) for
363        OSX manually (patch by Toshi Nagata)        OSX manually (patch by Toshi Nagata)
364        - fixed buggy boolean --enable-foo / --disable-foo configure script
365          parameters
366        - global.h now only covers global definitions that are needed for the
367          C++ API header files, all implementation internal global definitions
368          are now in global_private.h
369        - atomic.h is not exposed to the C++ API anymore
370        - no need to include config.h anymore for using LS's API header files
371        - fixed warnings in API doc generation
372    
373    * general changes:    * general changes:
374      - replaced the old, confusing MIDI program change mechanism by a      - replaced the old, confusing MIDI program change mechanism by a
# Line 41  Version CVS HEAD (?) Line 401  Version CVS HEAD (?)
401      - fixed compilation errors regarding OSX      - fixed compilation errors regarding OSX
402        (patch by Toshi Nagata)        (patch by Toshi Nagata)
403      - implemented instruments database      - implemented instruments database
404        - added support for escape sequences to the instruments database
405      - added highly experimental support for on-the-fly instrument editing      - added highly experimental support for on-the-fly instrument editing
406        within the sampler's process (by using instrument editor plugins),        within the sampler's process (by using instrument editor plugins),
407        you'll notice the new "Registered instrument editors:" message on        you'll notice the new "Registered instrument editors:" message on
408        startup, added a new LSCP command "EDIT INSTRUMENT <sampler-channel>"        startup, added a new LSCP command:
409          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
410        to spawn a matching instrument editor for the instrument on the        to spawn a matching instrument editor for the instrument on the
411        given sampler channel, the plugin path can be overridden at compile        given sampler channel, the plugin path can be overridden at compile
412        time with ./configure --enable-plugin-dir=/some/dir        time with ./configure --enable-plugin-dir=/some/dir
413        - added experimental code for synchronizing instrument editors hosted
414          in the sampler's process to safely edit instruments while playing
415          without a crash (hopefully) by either suspending single regions
416          wherever possible or if unavoidable whole engine(s)
417      - fixed several issues in fundamental "Thread" class: set scheduling      - fixed several issues in fundamental "Thread" class: set scheduling
418        policy and priority on thread level, set a minimum stack size for        policy and priority on thread level, set a minimum stack size for
419        thread (TODO: a reasonable value yet to be tested), bugfix: non-RT        thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
# Line 56  Version CVS HEAD (?) Line 422  Version CVS HEAD (?)
422      - minor fix in our automatic stack trace mechanism on crashes, the      - minor fix in our automatic stack trace mechanism on crashes, the
423        main process did not wait for the stack trace process to finish        main process did not wait for the stack trace process to finish
424        its output        its output
425        - fixed some minor memory leaks
426        - reenabled assembly features support, at the moment only for
427          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
428        - minor assembly fix in x86 features detection (don't use the PIC
429          register, to avoid relocations in the text segment at runtime)
430        - POSIX callback functions of Thread.h are hidden
431    
432    * MIDI driver:    * MIDI driver:
433      - dispatch bank select (MSB and LSB) messages      - dispatch bank select (MSB and LSB) messages
# Line 83  Version CVS HEAD (?) Line 455  Version CVS HEAD (?)
455      - minor fix of EGDecay (patch by Toshi Nagata)      - minor fix of EGDecay (patch by Toshi Nagata)
456      - fixed compiler error when --enable-override-filter-type was      - fixed compiler error when --enable-override-filter-type was
457        supplied to the configure script (fixes #46)        supplied to the configure script (fixes #46)
458        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
459          instead of a fix value
460        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
461          127 (solo mode) only kill voices if the respective mode really
462          changed
463    
464    * LSCP server:    * LSCP server:
465      - fixed compile time error for old Bison versions      - fixed compile time error for old Bison versions
466        (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)        (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
467        - parser now supports extended ASCII character set
468          (up to ASCII code 255, i.e. includes now umlauts and accents)
469        - filename arguments in LSCP commands now allow to use escape
470          sequences, that is directly literal as one of: \', \", \\, \n, \r,
471          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
472          code value like \xf2) (fixes bug #24)
473        - the following LSCP commands now also support escape sequences for at
474          least one of their text-based parameters (i.e. name, description):
475          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
476          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
477          "SET DB_INSTRUMENT_DIRECTORY NAME",
478          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
479          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
480          "FIND DB_INSTRUMENT_DIRECTORIES"
481        - returns verbose syntax errors (line and column where syntax error
482          occured, the unexpected character and the actually expected, possible
483          character(s), the latter only if less than 5 possibilities)
484        - made sure that LSCP syntax is not affected by gigedit locale
485          settings
486        - bugfix regarding strings parameter lists: all comma separated lists
487          of strings were treated as being one string containing commas
488          (fixes #57)
489    
490    * Bug fixes:    * Bug fixes:
491      - fixed crash occurring on certain LSCP scripts (Bug 39)      - fixed crash occurring on certain LSCP scripts (Bug 39)
492      - another thread safety fix for lscp "load engine" and "set      - another thread safety fix for lscp "load engine" and "set
493        channel audio output device"        channel audio output device"
494        - fixed a crash which occurs when reassigning the same engine
495          on a sampler channel with connected MIDI device
496        - fixed a crash which occurs when changing the number of ports of a MIDI
497          device connected to a sampler channel to number less then or equal
498          to the index of the port to which the sampler channel is connected.
499        - The previous bindings were not been disconnected when altering
500          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
501          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
502        - The active stream/voice count statistic was incorrect.
503        - notification events were not been sent for some sampler
504          channel changes
505        - added default min and max values to restrict the number of allowed
506          audio output channels and MIDI input ports
507        - the connection to the PCM interface is now closed when destroying
508          an audio output device
509        - files with slash in their path or filename could not be loaded
510    
511    * test cases:    * test cases:
512      - updated and fixed (haven't been touched in a while)      - updated and fixed (haven't been touched in a while)

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