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revision 1245 by schoenebeck, Tue Jun 19 15:54:13 2007 UTC revision 2061 by persson, Tue Feb 23 18:32:31 2010 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        - command line option '--profile' is currently disabled, since the
7          respective profiling code is currently broken
8        - Introduced support for optional environment variable
9          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
10          where the sampler shall look for instrument editor plugins
11          (patch by Luis Garrido, slightly modified).
12    
13      * Gigasampler format engine:
14        - implemented the "round robin keyboard" dimension
15        - fixed round robin and random dimensions for cases when number of
16          dimension zones is not a power of two
17        - made round robin use a counter for each region instead of each
18          key
19    
20      * SFZ format engine:
21        - Initial implementation (not usable yet)
22        - added support for v2 multiple stage envelope generators
23        - added a fine-tuned v1 envelope generator instead of using the
24          one from the gig engine
25        - fixed memory leak and memory handling errors
26        - added support for trigger=first, trigger=legato and sw_previous
27        - allow non-numerical key values ("C#4" for example)
28        - "key" opcode now sets pitch_keycenter too
29        - fixed error when unloading instrument with same sample used by
30          multiple regions
31        - added some opcode aliases, like loopmode for loop_mode, to be
32          more compatible
33        - added support for trigger=release and rt_decay
34    
35      * SoundFont format engine:
36        - Initial implementation (not usable yet)
37    
38      * Host plugins:
39        - AU bugfix: failed to destroy its audio/MIDI devices
40        - Listen to all interfaces on Mac OS X (INADDR_ANY)
41        - VST bugfix: If the host called resume() before and after
42          changing sample rate or block size, the number of channels was
43          incorrectly set to two. This caused silence in Cubase 5.
44    
45      * MIDI driver:
46        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
47          the ALSA sequencer client name
48    
49      * LSCP server:
50        - added support for sending MIDI CC messages via LSCP command
51          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
52    
53      * Bug fixes:
54        - Fixed crash which may occur when MIDI key + transpose is out of range
55    
56    Version 1.0.0 (31 July 2009)
57    
58      * packaging changes:
59        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
60          causing e.g. the libgig test to fail when
61          "./configure --disable-jack-driver" was used
62          (patch by Alexis Ballier)
63        - fixed compilation with gcc 4.3
64        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
65        - fixed configure so it detects x86_64 (#107)
66        - fixes for building with newer MinGW versions
67        - fix for building with bison 2.4 (#111)
68        - fixed building with libgig installed in a non-standard directory
69        - minor fix in configure for mmsystem.h detection on MinGW
70        - Windows: look for editor plugins and Fantasia using base
71          directory of liblinuxsampler dll (look in the same directory and one
72          directory above)
73        - configure script fix: removed unconditional use of SSE
74        - fixed building with sqlite installed in a non-standard directory
75        - when cross-compiling, don't try to create instruments.db
76        - fix for new mingw-w64 version, which has usleep
77    
78      * general changes:
79        - bugfix: on some POSIX systems instrument editor plugins refused to
80          load as we used a non-portable Linux specific struct field
81          (fixes bug #70, patch by Ronald Baljeu)
82        - fixed endless loop which occured when loading an instrument editor
83          plugin DLL on Windows systems failed
84        - fixed memory leaks that occurred when liblinuxsampler was unloaded
85        - optimized the SynchronizedConfig class so it doesn't wait
86          unnecessarily long after an update
87        - added support for notifying instrument editors on note-on / note-off
88          events (e.g. to highlight the pressed keys on the virtual keyboard
89          of gigedit)
90        - added support for triggering notes by instrument editors (see above)
91        - be verbose on DLL load errors (on Linux)
92        - fixed di-harmonic triangle LFO implementation (this LFO implementation
93          is only used by very few systems, most pick the int math
94          implementation, which is usually faster)
95        - fixes for audio drivers with varying buffer sizes
96        - experimental support for running LinuxSampler as a DSSI, LV2 and
97          VST plugin
98        - notification events for stream/voice count statistics are now sent
99          only when there are actual changes
100        - added memory ordering constraints to improve stability on
101          multi-core and multi-cpu systems
102        - maximum voices and disk streams can now be altered at runtime
103        - fixed CPU feature detection on x86_64 (maybe fixes #108)
104        - automatic stacktrace mechanism is now turned off by default and can
105          be switched on by command line option "--stacktrace" (the automatic
106          stacktrace mechanism seems to be broken on most systems at the moment)
107        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
108          a pointer to the launched InstrumentEditor object
109        - added optional 3rd party user data parameter for following
110          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
111          InstrumentEditor::Launch(),
112          InstrumentManager::LaunchInstrumentEditor()
113        - theoretical fix: made SynchronizedConfig follow C++0x memory
114          model more strictly
115        - fixes for using large audio device buffers
116        - Windows: add the installation directory to the DLL search path
117          when loading an editor plugin (solves problems with VST and
118          gigedit on systems with other GTK versions installed)
119    
120      * audio driver:
121        - removed the nonsense audio channel constraint (which was hard coded to
122          max. 100 audio channels) for most audio drivers
123        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
124          opposed to the LSCP specs
125        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
126          reflected the wrong value
127        - fixed a memory management bug in ASIO driver
128        - Makefile fix: JACK_CFLAGS wasn't used
129        - JACK: use jack_client_open instead of the deprecated
130          jack_client_new
131        - added (experimental) CoreAudio driver
132        - applied old fixes to the ASIO driver that were included in the
133          previous binary release but accidentally never committed to CVS
134          (fixes #117)
135        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
136          win64)
137        - VST: added support for sample rate and buffer size changes
138        - VST: close editor (Fantasia) when the VST is removed
139        - VST: avoid opening Fantasia more than once for each VST instance
140        - VST: export main function as "main" on Linux too (fix for
141          energyXT)
142        - VST: changed number of output channels from one stereo to 16
143          stereo
144        - added channel routing, fxsends and midi maps to the settings
145          stored in the plugin state
146        - performance optimization of AudioChannel::MixTo() and
147          AudioChannel::CopyTo() methods using GCC vector exensions
148          (if available)
149        - ASIO fixes: avoid initializing the device twice, avoid throwing
150          exception when getting parameters from a disconnected device
151    
152      * MIDI driver:
153        - added JACK MIDI driver
154        - dispatch bank select as ordinary CC as well, the user might seriously
155          want to (mis)use it for some purpose ("fixed" in all current MIDI
156          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
157        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
158          CoreMidi or AU
159        - fixed mingw-w64 compilation error in MME driver
160        - made program change handling in MIDI thread real-time safe by
161          moving the logic to a non-RT thread
162        - fixed minor memory leak in ALSA driver
163    
164      * instruments database:
165        - avoid time consuming samples scanning when adding instruments
166          to the instruments database
167        - added support for handling lost files in the instruments database
168        - Implemented option for adding instruments in separate directories
169          in the instruments database
170          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
171        - work-around for missing fnmatch function on Windows to make
172          instrument database compilable
173        - added instrument database support on Windows
174          works with both standalone mode and VST plugin.
175          the instruments DB file is located in
176          %USERPROFILE%\.linuxsampler\instruments.db which allows different
177          databases for each windows user
178          if no DB is present it automatically creates the .linuxsampler subdir
179          and then creates an empty DB
180        - fixed recursive import, which was broken on Windows
181    
182      * Gigasampler format engine:
183        - fixed a memory leak that could happen when a channel was deleted
184          while notes were playing
185        - made it possible to load an instrument even if the audio thread
186          isn't running
187        - added partial support for the "Controller Triggered" MIDI rule,
188          enough for piano gigs with pedal noise samples
189        - minor fix: only mark FX sends as being modified if really the
190          respective FX send MIDI controller was used
191        - added support for GM global device volume SysEx message
192          (can be selected at compile time to either apply globally to the
193          whole sampler [default] or only to the sampler channels that are
194          connected to the respective MIDI input port the SysEx message arrived
195          on)
196        - bugfix: notes triggered at position 0 in the audio buffer were
197          sometimes wrongly killed in the same buffer, causing no sound to
198          be played
199        - added support for chromatic / drumkit mode Roland GS Sysex message
200          which is usally used to switch a part between chromatic sounds and
201          drumkit sounds (as opposed to their common default setting of MIDI
202          part 10 being a drumkit part and all other ones chromatic parts), in
203          LS however one can switch between the first 16 MIDI instrument maps
204          defined for the sampler
205        - made it possible to create multiple sample channels even if the
206          audio thread isn't running
207        - fixed crash when removing channel with active voices (#116)
208        - bugfix: on sample reference changes (instrument editor), only
209          un-cache the respective sample if it's really not used by any
210          sampler engine anymore
211        - re-cache samples in case they were changed by an instrument editor,
212          e.g. when a sample was added while playing (#82)
213        - fixed hanging notes which occured when note-off event had the exact
214          same time stamp as the voice's note-on event and occured both in the
215          same audio fragment cycle (fixes bug #112)
216        - added support for the "fine tune" and "pitch bend range"
217          instrument-level gig parameters
218        - fixed minor artifacts in pitch bend handling
219        - added support for GS Reset SysEx message
220        - allow gig files to use unlimited downward pitch shifting
221        - added a limit check for upward pitch shifting
222        - bugfix: sometimes, when playing a note twice fast, the second
223          note was silent
224        - fixed crash happening when a pitch bend event arrived at the
225          same time a new instrument was loading
226    
227      * LSCP server:
228        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
229          react on MIDI data arriving on certain sampler channels (so far only
230          Note-On and Note-Off events are sent via this LSCP event)
231        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
232          react on MIDI data arriving on certain MIDI input devices (so far only
233          Note-On and Note-Off events are sent via this LSCP event)
234        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
235          SET DB_INSTRUMENT FILE_PATH
236        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
237          frontends to send MIDI messages to specific sampler channel
238        - added two additional fields to GET FILE INSTRUMENT INFO command -
239          KEY_BINDINGS and KEYSWITCH_BINDINGS
240        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
241          was incorrect
242        - Optimized the retrieval of the MIDI instrument mappings
243        - added new LSCP command "SET VOICES" to globally alter the maximum
244          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
245          be triggered respectively
246        - added new LSCP command "SET STREAMS" to globally alter the maximum
247          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
248          which will be triggered respectively
249        - bugfix: retry if "select" returns EINTR (this fixes a crash when
250          a gigedit file dialog is opened)
251        - close all connections when LSCPServer is deleted
252        - hard close of all sockets on exit
253        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
254          driver
255    
256      * Bug fixes:
257        - fixed a crash which occurs when removing a sampler channel waiting
258          to start instrument loading after another channel
259        - fixed a crash which occurs when removing a sampler channel with
260          instrument loading in progress (bug #113)
261        - fixed termination caused by uncaught exception when adding MIDI
262          instrument with PERSISTENT load mode
263        - fixed possible iterator invalidations when resetting the sampler
264        - fixed memory leaks when issuing the following LSCP commands:
265          GET AUDIO_OUTPUT_DRIVER INFO
266          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
267          GET MIDI_INPUT_DRIVER INFO
268          GET MIDI_INPUT_DRIVER_PARAMETER INFO
269        - fixed possible compilation error when sqlite is not present
270        - fixed orphaned pointers when setting maximum voices limit (bug #118)
271        - fixed crash when changing the audio output device of a sampler
272          channel with loaded instrument and start playing notes
273        - fixed endless loop in Engine::SuspendAll() (bug #120)
274        - fixed a low-level atomic load function that was broken on 64-bit
275          PowerPC, which probably could cause crashes on that platform
276        - fixed a memory management error which could cause a crash when a
277          plugin was unloaded
278        - bugfix: two private structs had the same name, which could cause
279          problems if the linker chose the wrong constructor
280        - fixed low-level ConditionServer usage bug that caused lockups on
281          Windows
282    
283    
284    Version 0.5.1 (6 December 2007)
285    
286      * packaging changes:
287        - added autoconf checks for pthread library
288        - added autoconf check for pthread bug found on certain NPTL-enabled
289          glibc versions (see Gentoo bug report #194076)
290        - added autoconf checks for MS Windows
291    
292      * general changes:
293        - bugfix: the thread used by an editor plugin didn't die when the
294          editor closed
295        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
296          out all the space. operator--() did not apply size_mask after
297          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
298          order to avoid problems with the _NonVolatileReader functions.
299        - bugfix: Stream.h: added a missing divide by BytesPerSample in
300          GetWriteSpace(). Since this function is currently only used in
301          the stream's qsort() compare function, it didn't trigger any
302          bugs.
303        - Resampler.h, Synthesizer.h: cubic interpolation now works in
304          24bit mode too. Faster method to read 24bit words on little
305          endian machines (x86): replaced 3 byte reads + shifts with a 1
306          unaligned 32bit read and shift
307        - experimental support for MS Windows (MIDI input via MME, AUDIO
308          output via ASIO)
309        - made handling of SIGINT signal (Ctrl-C) a bit more robust
310        - support for monitoring the total number of active disk streams
311          (new LSCP commands: GET TOTAL_STREAM_COUNT,
312          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
313    
314      * AUDIO driver:
315        - added Windows ASIO low latency audio driver
316    
317      * MIDI driver:
318        - added MME Windows MIDI driver
319    
320      * LSCP server:
321        - added support for Windows style path / filenames, however with
322          forward slash path separators instead of backslash
323          (i.e. "C:/foo/bar.gig")
324        - allow naughty liblscp to send non-string device parameters within
325          apostrophes as well
326        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
327          "LIST FILE INSTRUMENTS <file>" and
328          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
329          about an arbitrary instrument file on the system where the sampler is
330          running on
331    
332    Version 0.5.0 (15 October 2007)
333    
334    * packaging changes:    * packaging changes:
335      - config.h is not going to be installed along with liblinuxsampler's      - config.h is not going to be installed along with liblinuxsampler's
336        API header files anymore        API header files anymore
# Line 9  Version CVS HEAD (?) Line 340  Version CVS HEAD (?)
340        capable to execute our autoconf environment, thus no need anymore        capable to execute our autoconf environment, thus no need anymore
341        to maintain the compile time configuration file (osx/version.h) for        to maintain the compile time configuration file (osx/version.h) for
342        OSX manually (patch by Toshi Nagata)        OSX manually (patch by Toshi Nagata)
343        - fixed buggy boolean --enable-foo / --disable-foo configure script
344          parameters
345        - global.h now only covers global definitions that are needed for the
346          C++ API header files, all implementation internal global definitions
347          are now in global_private.h
348        - atomic.h is not exposed to the C++ API anymore
349        - no need to include config.h anymore for using LS's API header files
350        - fixed warnings in API doc generation
351    
352    * general changes:    * general changes:
353      - 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 380  Version CVS HEAD (?)
380      - fixed compilation errors regarding OSX      - fixed compilation errors regarding OSX
381        (patch by Toshi Nagata)        (patch by Toshi Nagata)
382      - implemented instruments database      - implemented instruments database
383        - added support for escape sequences to the instruments database
384      - added highly experimental support for on-the-fly instrument editing      - added highly experimental support for on-the-fly instrument editing
385        within the sampler's process (by using instrument editor plugins),        within the sampler's process (by using instrument editor plugins),
386        you'll notice the new "Registered instrument editors:" message on        you'll notice the new "Registered instrument editors:" message on
387        startup, added a new LSCP command "EDIT INSTRUMENT <sampler-channel>"        startup, added a new LSCP command:
388          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
389        to spawn a matching instrument editor for the instrument on the        to spawn a matching instrument editor for the instrument on the
390        given sampler channel, the plugin path can be overridden at compile        given sampler channel, the plugin path can be overridden at compile
391        time with ./configure --enable-plugin-dir=/some/dir        time with ./configure --enable-plugin-dir=/some/dir
392        - added experimental code for synchronizing instrument editors hosted
393          in the sampler's process to safely edit instruments while playing
394          without a crash (hopefully) by either suspending single regions
395          wherever possible or if unavoidable whole engine(s)
396      - fixed several issues in fundamental "Thread" class: set scheduling      - fixed several issues in fundamental "Thread" class: set scheduling
397        policy and priority on thread level, set a minimum stack size for        policy and priority on thread level, set a minimum stack size for
398        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 401  Version CVS HEAD (?)
401      - minor fix in our automatic stack trace mechanism on crashes, the      - minor fix in our automatic stack trace mechanism on crashes, the
402        main process did not wait for the stack trace process to finish        main process did not wait for the stack trace process to finish
403        its output        its output
404        - fixed some minor memory leaks
405        - reenabled assembly features support, at the moment only for
406          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
407        - minor assembly fix in x86 features detection (don't use the PIC
408          register, to avoid relocations in the text segment at runtime)
409        - POSIX callback functions of Thread.h are hidden
410    
411    * MIDI driver:    * MIDI driver:
412      - dispatch bank select (MSB and LSB) messages      - dispatch bank select (MSB and LSB) messages
# Line 83  Version CVS HEAD (?) Line 434  Version CVS HEAD (?)
434      - minor fix of EGDecay (patch by Toshi Nagata)      - minor fix of EGDecay (patch by Toshi Nagata)
435      - fixed compiler error when --enable-override-filter-type was      - fixed compiler error when --enable-override-filter-type was
436        supplied to the configure script (fixes #46)        supplied to the configure script (fixes #46)
437        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
438          instead of a fix value
439        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
440          127 (solo mode) only kill voices if the respective mode really
441          changed
442    
443    * LSCP server:    * LSCP server:
444      - fixed compile time error for old Bison versions      - fixed compile time error for old Bison versions
# Line 93  Version CVS HEAD (?) Line 449  Version CVS HEAD (?)
449        sequences, that is directly literal as one of: \', \", \\, \n, \r,        sequences, that is directly literal as one of: \', \", \\, \n, \r,
450        \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII        \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
451        code value like \xf2) (fixes bug #24)        code value like \xf2) (fixes bug #24)
452        - the following LSCP commands now also support escape sequences for at
453          least one of their text-based parameters (i.e. name, description):
454          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
455          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
456          "SET DB_INSTRUMENT_DIRECTORY NAME",
457          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
458          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
459          "FIND DB_INSTRUMENT_DIRECTORIES"
460        - returns verbose syntax errors (line and column where syntax error
461          occured, the unexpected character and the actually expected, possible
462          character(s), the latter only if less than 5 possibilities)
463        - made sure that LSCP syntax is not affected by gigedit locale
464          settings
465        - bugfix regarding strings parameter lists: all comma separated lists
466          of strings were treated as being one string containing commas
467          (fixes #57)
468    
469    * Bug fixes:    * Bug fixes:
470      - fixed crash occurring on certain LSCP scripts (Bug 39)      - fixed crash occurring on certain LSCP scripts (Bug 39)
471      - another thread safety fix for lscp "load engine" and "set      - another thread safety fix for lscp "load engine" and "set
472        channel audio output device"        channel audio output device"
473        - fixed a crash which occurs when reassigning the same engine
474          on a sampler channel with connected MIDI device
475        - fixed a crash which occurs when changing the number of ports of a MIDI
476          device connected to a sampler channel to number less then or equal
477          to the index of the port to which the sampler channel is connected.
478        - The previous bindings were not been disconnected when altering
479          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
480          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
481        - The active stream/voice count statistic was incorrect.
482        - notification events were not been sent for some sampler
483          channel changes
484        - added default min and max values to restrict the number of allowed
485          audio output channels and MIDI input ports
486        - the connection to the PCM interface is now closed when destroying
487          an audio output device
488        - files with slash in their path or filename could not be loaded
489    
490    * test cases:    * test cases:
491      - updated and fixed (haven't been touched in a while)      - updated and fixed (haven't been touched in a while)

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