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revision 900 by schoenebeck, Wed Jul 5 17:53:22 2006 UTC revision 1764 by persson, Sat Sep 6 14:55:18 2008 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    
10      * general changes:
11        - bugfix: on some POSIX systems instrument editor plugins refused to
12          load as we used a non-portable Linux specific struct field
13          (fixes bug #70, patch by Ronald Baljeu)
14        - fixed endless loop which occured when loading an instrument editor
15          plugin DLL on Windows systems failed
16        - fixed memory leaks that occurred when liblinuxsampler was unloaded
17        - optimized the SynchronizedConfig class so it doesn't wait
18          unnecessarily long after an update
19        - added support for notifying instrument editors on note-on / note-off
20          events (e.g. to highlight the pressed keys on the virtual keyboard
21          of gigedit)
22        - added support for triggering notes by instrument editors (see above)
23        - be verbose on DLL load errors (on Linux)
24        - fixed di-harmonic triangle LFO implementation (this LFO implementation
25          is only used by very few systems, most pick the int math
26          implementation, which is usually faster)
27        - fixes for audio drivers with varying buffer sizes
28    
29      * audio driver:
30        - removed the nonsense audio channel constraint (which was hard coded to
31          max. 100 audio channels) for most audio drivers
32        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
33          opposed to the LSCP specs
34        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
35          reflected the wrong value
36        - fixed a memory management bug in ASIO driver
37        - Makefile fix: JACK_CFLAGS wasn't used
38        - JACK: use jack_client_open instead of thedeprecated
39          jack_client_new
40    
41      * MIDI driver:
42        - added JACK MIDI driver
43        - dispatch bank select as ordinary CC as well, the user might seriously
44          want to (mis)use it for some purpose ("fixed" in all current MIDI
45          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
46    
47      * instruments database:
48        - avoid time consuming samples scanning when adding instruments
49          to the instruments database
50        - added support for handling lost files in the instruments database
51    
52      * Gigasampler format engine:
53        - fixed a memory leak that could happen when a channel was deleted
54          while notes were playing
55        - made it possible to load an instrument even if the audio thread
56          isn't running
57        - added partial support for the "Controller Triggered" MIDI rule,
58          enough for piano gigs with pedal noise samples
59        - minor fix: only mark FX sends as being modified if really the
60          respective FX send MIDI controller was used
61        - added support for GM global device volume SysEx message
62          (can be selected at compile time to either apply globally to the
63          whole sampler [default] or only to the sampler channels that are
64          connected to the respective MIDI input port the SysEx message arrived
65          on)
66        - bugfix: notes triggered at position 0 in the audio buffer were
67          sometimes wrongly killed in the same buffer, causing no sound to
68          be played
69        - added support for chromatic / drumkit mode Roland GS Sysex message
70          which is usally used to switch a part between chromatic sounds and
71          drumkit sounds (as opposed to their common default setting of MIDI
72          part 10 being a drumkit part and all other ones chromatic parts), in
73          LS however one can switch between the first 16 MIDI instrument maps
74          defined for the sampler
75        - made it possible to create multiple sample channels even if the
76          audio thread isn't running
77    
78      * LSCP server:
79        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
80          react on MIDI data arriving on certain sampler channels (so far only
81          Note-On and Note-Off events are sent via this LSCP event)
82        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
83          react on MIDI data arriving on certain MIDI input devices (so far only
84          Note-On and Note-Off events are sent via this LSCP event)
85        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
86          SET DB_INSTRUMENT FILE_PATH
87        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
88          was incorrect
89        - Optimized the retrieval of the MIDI instrument mappings
90    
91      * Bug fixes:
92        - fixed a crash which occurs when removing a sampler channel waiting
93          to start instrument loading after another channel
94    
95    
96    Version 0.5.1 (6 December 2007)
97    
98      * packaging changes:
99        - added autoconf checks for pthread library
100        - added autoconf check for pthread bug found on certain NPTL-enabled
101          glibc versions (see Gentoo bug report #194076)
102        - added autoconf checks for MS Windows
103    
104      * general changes:
105        - bugfix: the thread used by an editor plugin didn't die when the
106          editor closed
107        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
108          out all the space. operator--() did not apply size_mask after
109          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
110          order to avoid problems with the _NonVolatileReader functions.
111        - bugfix: Stream.h: added a missing divide by BytesPerSample in
112          GetWriteSpace(). Since this function is currently only used in
113          the stream's qsort() compare function, it didn't trigger any
114          bugs.
115        - Resampler.h, Synthesizer.h: cubic interpolation now works in
116          24bit mode too. Faster method to read 24bit words on little
117          endian machines (x86): replaced 3 byte reads + shifts with a 1
118          unaligned 32bit read and shift
119        - experimental support for MS Windows (MIDI input via MME, AUDIO
120          output via ASIO)
121        - made handling of SIGINT signal (Ctrl-C) a bit more robust
122        - support for monitoring the total number of active disk streams
123          (new LSCP commands: GET TOTAL_STREAM_COUNT,
124          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
125    
126      * AUDIO driver:
127        - added Windows ASIO low latency audio driver
128    
129      * MIDI driver:
130        - added MME Windows MIDI driver
131    
132      * LSCP server:
133        - added support for Windows style path / filenames, however with
134          forward slash path separators instead of backslash
135          (i.e. "C:/foo/bar.gig")
136        - allow naughty liblscp to send non-string device parameters within
137          apostrophes as well
138        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
139          "LIST FILE INSTRUMENTS <file>" and
140          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
141          about an arbitrary instrument file on the system where the sampler is
142          running on
143    
144    Version 0.5.0 (15 October 2007)
145    
146      * packaging changes:
147        - config.h is not going to be installed along with liblinuxsampler's
148          API header files anymore
149        - only the API relevant header (and source) files will be exported to
150          the Doxygen API documentation (explicitly listed in Doxyfile.in)
151        - added completely new XCode project files for Mac OSX which is now
152          capable to execute our autoconf environment, thus no need anymore
153          to maintain the compile time configuration file (osx/version.h) for
154          OSX manually (patch by Toshi Nagata)
155        - fixed buggy boolean --enable-foo / --disable-foo configure script
156          parameters
157        - global.h now only covers global definitions that are needed for the
158          C++ API header files, all implementation internal global definitions
159          are now in global_private.h
160        - atomic.h is not exposed to the C++ API anymore
161        - no need to include config.h anymore for using LS's API header files
162        - fixed warnings in API doc generation
163    
164      * general changes:
165        - replaced the old, confusing MIDI program change mechanism by a
166          flexible MIDI instrument mapper which allows to map arbitrary
167          (MIDI bank, MIDI program) pairs with arbitrary
168          (engine type, instrument file, file index) triplets which will be
169          loaded on the respective channel when such MIDI program change
170          messages arrive, beside that, each entry allows to define a life-time
171          strategy for the instrument, so the user can define whether the
172          instrument should i.e. be permanently loaded (to be able to switch
173          quickly among sounds) or i.e. loaded just on demand when the
174          respective program change arrives (to safe RAM space), as well as a
175          global volume factor for each entry, so the user can adjust the volume
176          dynamic of his mapped instrument collection without having to modify
177          the instrument files, also one can manage arbitrary amount of such
178          MIDI instrument maps and assign each sampler channel individually
179          a certain map, so that i.e. separation of normal instruments and
180          drumkits is possible
181        - new notification events for tracking changes to audio/MIDI devices,
182          MIDI instrument maps, MIDI instruments, FX sends, global volume.
183        - sampler was limited to load max. 200 instruments in the background
184          due to a constant size RingBuffer FIFO which is now replaced by a
185          dynamic (unlimited) size std::list FIFO
186        - added FX sends, these allow to route audio signals to arbitrary audio
187          output channels for being processed by external effect processors
188          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
189          controllers
190        - global (sampler wide) volume can now be controlled at runtime
191        - Implemented new, improved notification system
192        - fixed compilation errors regarding OSX
193          (patch by Toshi Nagata)
194        - implemented instruments database
195        - added support for escape sequences to the instruments database
196        - added highly experimental support for on-the-fly instrument editing
197          within the sampler's process (by using instrument editor plugins),
198          you'll notice the new "Registered instrument editors:" message on
199          startup, added a new LSCP command:
200          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
201          to spawn a matching instrument editor for the instrument on the
202          given sampler channel, the plugin path can be overridden at compile
203          time with ./configure --enable-plugin-dir=/some/dir
204        - added experimental code for synchronizing instrument editors hosted
205          in the sampler's process to safely edit instruments while playing
206          without a crash (hopefully) by either suspending single regions
207          wherever possible or if unavoidable whole engine(s)
208        - fixed several issues in fundamental "Thread" class: set scheduling
209          policy and priority on thread level, set a minimum stack size for
210          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
211          threads simply inherited properties of starting thread instead of
212          setting their own policy and priority
213        - minor fix in our automatic stack trace mechanism on crashes, the
214          main process did not wait for the stack trace process to finish
215          its output
216        - fixed some minor memory leaks
217        - reenabled assembly features support, at the moment only for
218          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
219        - minor assembly fix in x86 features detection (don't use the PIC
220          register, to avoid relocations in the text segment at runtime)
221        - POSIX callback functions of Thread.h are hidden
222    
223      * MIDI driver:
224        - dispatch bank select (MSB and LSB) messages
225    
226      * audio driver:
227        - the ALSA audio output driver parameters now reflect the correct
228          parameter value ranges for the respective selected sound card
229          (patch by Till Wimmer, a bit fixed and extended)
230    
231      * Gigasampler format engine:
232        - if a filter is used and EG2 finishes before EG1, let the voice
233          die when EG2 has finished (this fixes a problem with clicks and
234          voice starvation for some gigs)
235        - playback is no longer disabled during instrument loading
236        - all notes playing on a channel that changes its instrument keep
237          playing with the old instrument until they get a note off
238          command
239        - EG fix: a release value of zero could cause noises or crash
240        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
241        - EG fine tuning: when attack is zero the EG starts at a level
242          above max sustain level, which means that there is a decay phase
243          even if sustain is 100%
244        - more EG fixes: the level could sometimes go below zero and cause
245          noises or crashes
246        - minor fix of EGDecay (patch by Toshi Nagata)
247        - fixed compiler error when --enable-override-filter-type was
248          supplied to the configure script (fixes #46)
249        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
250          instead of a fix value
251        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
252          127 (solo mode) only kill voices if the respective mode really
253          changed
254    
255      * LSCP server:
256        - fixed compile time error for old Bison versions
257          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
258        - parser now supports extended ASCII character set
259          (up to ASCII code 255, i.e. includes now umlauts and accents)
260        - filename arguments in LSCP commands now allow to use escape
261          sequences, that is directly literal as one of: \', \", \\, \n, \r,
262          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
263          code value like \xf2) (fixes bug #24)
264        - the following LSCP commands now also support escape sequences for at
265          least one of their text-based parameters (i.e. name, description):
266          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
267          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
268          "SET DB_INSTRUMENT_DIRECTORY NAME",
269          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
270          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
271          "FIND DB_INSTRUMENT_DIRECTORIES"
272        - returns verbose syntax errors (line and column where syntax error
273          occured, the unexpected character and the actually expected, possible
274          character(s), the latter only if less than 5 possibilities)
275        - made sure that LSCP syntax is not affected by gigedit locale
276          settings
277        - bugfix regarding strings parameter lists: all comma separated lists
278          of strings were treated as being one string containing commas
279          (fixes #57)
280    
281      * Bug fixes:
282        - fixed crash occurring on certain LSCP scripts (Bug 39)
283        - another thread safety fix for lscp "load engine" and "set
284          channel audio output device"
285        - fixed a crash which occurs when reassigning the same engine
286          on a sampler channel with connected MIDI device
287        - fixed a crash which occurs when changing the number of ports of a MIDI
288          device connected to a sampler channel to number less then or equal
289          to the index of the port to which the sampler channel is connected.
290        - The previous bindings were not been disconnected when altering
291          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
292          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
293        - The active stream/voice count statistic was incorrect.
294        - notification events were not been sent for some sampler
295          channel changes
296        - added default min and max values to restrict the number of allowed
297          audio output channels and MIDI input ports
298        - the connection to the PCM interface is now closed when destroying
299          an audio output device
300        - files with slash in their path or filename could not be loaded
301    
302      * test cases:
303        - updated and fixed (haven't been touched in a while)
304    
305    Version 0.4.0 (24 November 2006)
306    
307      * packaging changes:
308      - changed deprecated copyright attribute to license; added ldconfig      - changed deprecated copyright attribute to license; added ldconfig
309        to post-(un)install steps; added devel package for liblinuxsampler;        to post-(un)install steps; added devel package for liblinuxsampler;
310        to linuxsampler.spec (RPM)        to linuxsampler.spec (RPM)
# Line 19  Version CVS HEAD (?) Line 323  Version CVS HEAD (?)
323        messages        messages
324      - added compile time options to allow disabling the various audio and      - added compile time options to allow disabling the various audio and
325        MIDI drivers        MIDI drivers
326        - fixed automatic GCC CPU switch detection on PPC
327          (patch by Ebrahim Mayat)
328    
329    * Gigasampler format engine:    * Gigasampler format engine:
330      - extensive synthesis optimization      - extensive synthesis optimization
# Line 61  Version CVS HEAD (?) Line 367  Version CVS HEAD (?)
367      - reimplementation of the filter algorithm. The new filter is more      - reimplementation of the filter algorithm. The new filter is more
368        accurate and supports all gig filter types, including bandreject        accurate and supports all gig filter types, including bandreject
369        and lowpass turbo.        and lowpass turbo.
370        - real support for 24 bit samples - samples are not truncated to
371          16 bits anymore
372        - support for aftertouch (channel pressure, not polyphonic
373          aftertouch)
374        - LFO1 behaviour fixed (dampening from max volume instead of
375          amplifying from 0)
376    
377    * LSCP server:    * LSCP server:
378      - fixed application exit on broken pipe error (fixes bug #20)      - fixed application exit on broken pipe error (fixes bug #20)
# Line 75  Version CVS HEAD (?) Line 387  Version CVS HEAD (?)
387    * MIDI driver:    * MIDI driver:
388      - fixed legacy sysex code which caused dispatching of MIDI SysEx      - fixed legacy sysex code which caused dispatching of MIDI SysEx
389        messages several times instead of once        messages several times instead of once
390        - API extension for MIDI drivers which already supply exact time stamps
391          for events (i.e. for offline rendering based MIDI drivers)
392        - added checks for bad MIDI data
393    
394    * linuxsampler application:    * linuxsampler application:
395      - show available sampler engine types on startup      - show available sampler engine types on startup
# Line 94  Version CVS HEAD (?) Line 409  Version CVS HEAD (?)
409      - fixed some memory management errors      - fixed some memory management errors
410      - fixed some concurrency problems that could lead to crashes when      - fixed some concurrency problems that could lead to crashes when
411        LSCP commands were executed        LSCP commands were executed
412        - fixed crash when instrument loading failed previously on the same
413          sampler channel (fixes bug #36)
414    
415  Version 0.3.3 (15 July 2005)  Version 0.3.3 (15 July 2005)
416    

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