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revision 831 by persson, Sat Jan 28 16:55:30 2006 UTC revision 1724 by schoenebeck, Tue Apr 22 08:52:54 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    
28      * audio driver:
29        - removed the nonsense audio channel constraint (which was hard coded to
30          max. 100 audio channels) for most audio drivers
31        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
32          opposed to the LSCP specs
33        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
34          reflected the wrong value
35        - fixed a memory management bug in ASIO driver
36    
37      * MIDI driver:
38        - added JACK MIDI driver
39        - dispatch bank select as ordinary CC as well, the user might seriously
40          want to (mis)use it for some purpose ("fixed" in all current MIDI
41          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
42    
43      * instruments database:
44        - avoid time consuming samples scanning when adding instruments
45          to the instruments database
46    
47      * Gigasampler format engine:
48        - fixed a memory leak that could happen when a channel was deleted
49          while notes were playing
50        - made it possible to load an instrument even if the audio thread
51          isn't running
52        - added partial support for the "Controller Triggered" MIDI rule,
53          enough for piano gigs with pedal noise samples
54        - minor fix: only mark FX sends as being modified if really the
55          respective FX send MIDI controller was used
56        - added support for GM global device volume SysEx message
57    
58      * LSCP server:
59        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
60          react on MIDI data arriving on certain sampler channels (so far only
61          Note-On and Note-Off events are sent via this LSCP event)
62        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
63          react on MIDI data arriving on certain MIDI input devices (so far only
64          Note-On and Note-Off events are sent via this LSCP event)
65    
66    Version 0.5.1 (6 December 2007)
67    
68      * packaging changes:
69        - added autoconf checks for pthread library
70        - added autoconf check for pthread bug found on certain NPTL-enabled
71          glibc versions (see Gentoo bug report #194076)
72        - added autoconf checks for MS Windows
73    
74      * general changes:
75        - bugfix: the thread used by an editor plugin didn't die when the
76          editor closed
77        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
78          out all the space. operator--() did not apply size_mask after
79          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
80          order to avoid problems with the _NonVolatileReader functions.
81        - bugfix: Stream.h: added a missing divide by BytesPerSample in
82          GetWriteSpace(). Since this function is currently only used in
83          the stream's qsort() compare function, it didn't trigger any
84          bugs.
85        - Resampler.h, Synthesizer.h: cubic interpolation now works in
86          24bit mode too. Faster method to read 24bit words on little
87          endian machines (x86): replaced 3 byte reads + shifts with a 1
88          unaligned 32bit read and shift
89        - experimental support for MS Windows (MIDI input via MME, AUDIO
90          output via ASIO)
91        - made handling of SIGINT signal (Ctrl-C) a bit more robust
92        - support for monitoring the total number of active disk streams
93          (new LSCP commands: GET TOTAL_STREAM_COUNT,
94          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
95    
96      * AUDIO driver:
97        - added Windows ASIO low latency audio driver
98    
99      * MIDI driver:
100        - added MME Windows MIDI driver
101    
102      * LSCP server:
103        - added support for Windows style path / filenames, however with
104          forward slash path separators instead of backslash
105          (i.e. "C:/foo/bar.gig")
106        - allow naughty liblscp to send non-string device parameters within
107          apostrophes as well
108        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
109          "LIST FILE INSTRUMENTS <file>" and
110          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
111          about an arbitrary instrument file on the system where the sampler is
112          running on
113    
114    Version 0.5.0 (15 October 2007)
115    
116      * packaging changes:
117        - config.h is not going to be installed along with liblinuxsampler's
118          API header files anymore
119        - only the API relevant header (and source) files will be exported to
120          the Doxygen API documentation (explicitly listed in Doxyfile.in)
121        - added completely new XCode project files for Mac OSX which is now
122          capable to execute our autoconf environment, thus no need anymore
123          to maintain the compile time configuration file (osx/version.h) for
124          OSX manually (patch by Toshi Nagata)
125        - fixed buggy boolean --enable-foo / --disable-foo configure script
126          parameters
127        - global.h now only covers global definitions that are needed for the
128          C++ API header files, all implementation internal global definitions
129          are now in global_private.h
130        - atomic.h is not exposed to the C++ API anymore
131        - no need to include config.h anymore for using LS's API header files
132        - fixed warnings in API doc generation
133    
134      * general changes:
135        - replaced the old, confusing MIDI program change mechanism by a
136          flexible MIDI instrument mapper which allows to map arbitrary
137          (MIDI bank, MIDI program) pairs with arbitrary
138          (engine type, instrument file, file index) triplets which will be
139          loaded on the respective channel when such MIDI program change
140          messages arrive, beside that, each entry allows to define a life-time
141          strategy for the instrument, so the user can define whether the
142          instrument should i.e. be permanently loaded (to be able to switch
143          quickly among sounds) or i.e. loaded just on demand when the
144          respective program change arrives (to safe RAM space), as well as a
145          global volume factor for each entry, so the user can adjust the volume
146          dynamic of his mapped instrument collection without having to modify
147          the instrument files, also one can manage arbitrary amount of such
148          MIDI instrument maps and assign each sampler channel individually
149          a certain map, so that i.e. separation of normal instruments and
150          drumkits is possible
151        - new notification events for tracking changes to audio/MIDI devices,
152          MIDI instrument maps, MIDI instruments, FX sends, global volume.
153        - sampler was limited to load max. 200 instruments in the background
154          due to a constant size RingBuffer FIFO which is now replaced by a
155          dynamic (unlimited) size std::list FIFO
156        - added FX sends, these allow to route audio signals to arbitrary audio
157          output channels for being processed by external effect processors
158          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
159          controllers
160        - global (sampler wide) volume can now be controlled at runtime
161        - Implemented new, improved notification system
162        - fixed compilation errors regarding OSX
163          (patch by Toshi Nagata)
164        - implemented instruments database
165        - added support for escape sequences to the instruments database
166        - added highly experimental support for on-the-fly instrument editing
167          within the sampler's process (by using instrument editor plugins),
168          you'll notice the new "Registered instrument editors:" message on
169          startup, added a new LSCP command:
170          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
171          to spawn a matching instrument editor for the instrument on the
172          given sampler channel, the plugin path can be overridden at compile
173          time with ./configure --enable-plugin-dir=/some/dir
174        - added experimental code for synchronizing instrument editors hosted
175          in the sampler's process to safely edit instruments while playing
176          without a crash (hopefully) by either suspending single regions
177          wherever possible or if unavoidable whole engine(s)
178        - fixed several issues in fundamental "Thread" class: set scheduling
179          policy and priority on thread level, set a minimum stack size for
180          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
181          threads simply inherited properties of starting thread instead of
182          setting their own policy and priority
183        - minor fix in our automatic stack trace mechanism on crashes, the
184          main process did not wait for the stack trace process to finish
185          its output
186        - fixed some minor memory leaks
187        - reenabled assembly features support, at the moment only for
188          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
189        - minor assembly fix in x86 features detection (don't use the PIC
190          register, to avoid relocations in the text segment at runtime)
191        - POSIX callback functions of Thread.h are hidden
192    
193      * MIDI driver:
194        - dispatch bank select (MSB and LSB) messages
195    
196      * audio driver:
197        - the ALSA audio output driver parameters now reflect the correct
198          parameter value ranges for the respective selected sound card
199          (patch by Till Wimmer, a bit fixed and extended)
200    
201      * Gigasampler format engine:
202        - if a filter is used and EG2 finishes before EG1, let the voice
203          die when EG2 has finished (this fixes a problem with clicks and
204          voice starvation for some gigs)
205        - playback is no longer disabled during instrument loading
206        - all notes playing on a channel that changes its instrument keep
207          playing with the old instrument until they get a note off
208          command
209        - EG fix: a release value of zero could cause noises or crash
210        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
211        - EG fine tuning: when attack is zero the EG starts at a level
212          above max sustain level, which means that there is a decay phase
213          even if sustain is 100%
214        - more EG fixes: the level could sometimes go below zero and cause
215          noises or crashes
216        - minor fix of EGDecay (patch by Toshi Nagata)
217        - fixed compiler error when --enable-override-filter-type was
218          supplied to the configure script (fixes #46)
219        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
220          instead of a fix value
221        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
222          127 (solo mode) only kill voices if the respective mode really
223          changed
224    
225      * LSCP server:
226        - fixed compile time error for old Bison versions
227          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
228        - parser now supports extended ASCII character set
229          (up to ASCII code 255, i.e. includes now umlauts and accents)
230        - filename arguments in LSCP commands now allow to use escape
231          sequences, that is directly literal as one of: \', \", \\, \n, \r,
232          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
233          code value like \xf2) (fixes bug #24)
234        - the following LSCP commands now also support escape sequences for at
235          least one of their text-based parameters (i.e. name, description):
236          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
237          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
238          "SET DB_INSTRUMENT_DIRECTORY NAME",
239          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
240          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
241          "FIND DB_INSTRUMENT_DIRECTORIES"
242        - returns verbose syntax errors (line and column where syntax error
243          occured, the unexpected character and the actually expected, possible
244          character(s), the latter only if less than 5 possibilities)
245        - made sure that LSCP syntax is not affected by gigedit locale
246          settings
247        - bugfix regarding strings parameter lists: all comma separated lists
248          of strings were treated as being one string containing commas
249          (fixes #57)
250    
251      * Bug fixes:
252        - fixed crash occurring on certain LSCP scripts (Bug 39)
253        - another thread safety fix for lscp "load engine" and "set
254          channel audio output device"
255        - fixed a crash which occurs when reassigning the same engine
256          on a sampler channel with connected MIDI device
257        - fixed a crash which occurs when changing the number of ports of a MIDI
258          device connected to a sampler channel to number less then or equal
259          to the index of the port to which the sampler channel is connected.
260        - The previous bindings were not been disconnected when altering
261          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
262          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
263        - The active stream/voice count statistic was incorrect.
264        - notification events were not been sent for some sampler
265          channel changes
266        - added default min and max values to restrict the number of allowed
267          audio output channels and MIDI input ports
268        - the connection to the PCM interface is now closed when destroying
269          an audio output device
270        - files with slash in their path or filename could not be loaded
271    
272      * test cases:
273        - updated and fixed (haven't been touched in a while)
274    
275    Version 0.4.0 (24 November 2006)
276    
277      * packaging changes:
278        - changed deprecated copyright attribute to license; added ldconfig
279          to post-(un)install steps; added devel package for liblinuxsampler;
280          to linuxsampler.spec (RPM)
281      - install necessary development header files for allowing 3rd party      - install necessary development header files for allowing 3rd party
282        applications to link against liblinuxsampler        applications to link against liblinuxsampler
283      - liblinuxsampler's API documentation can be generated with 'make docs'      - liblinuxsampler's API documentation can be generated with 'make docs'
# Line 12  Version CVS HEAD (?) Line 289  Version CVS HEAD (?)
289        configure script argument though (mandatory for cross-compilation)        configure script argument though (mandatory for cross-compilation)
290      - do not automatically pick optimized gcc flags if the user already      - do not automatically pick optimized gcc flags if the user already
291        provided some on his own (as CXXFLAGS)        provided some on his own (as CXXFLAGS)
292        - added compile time option to disable processing of All-Notes-Off MIDI
293          messages
294        - added compile time options to allow disabling the various audio and
295          MIDI drivers
296        - fixed automatic GCC CPU switch detection on PPC
297          (patch by Ebrahim Mayat)
298    
299    * Gigasampler format engine:    * Gigasampler format engine:
300      - extensive synthesis optimization      - extensive synthesis optimization
# Line 27  Version CVS HEAD (?) Line 310  Version CVS HEAD (?)
310        controller is defined), Control invert, Minimum cutoff, Velocity        controller is defined), Control invert, Minimum cutoff, Velocity
311        curve and Velocity range. The keyboard tracking now scales        curve and Velocity range. The keyboard tracking now scales
312        cutoff frequency instead of resonance.        cutoff frequency instead of resonance.
313      - filter fine tuning: calculation of cutoff frequency and      - added support for gig parameter Resonance.
       bandwidth improved. Removed use of "BasicBPFilter". Changed  
       bandpass filter from constant peak to constant skirt. Added  
       support for gig parameter Resonance.  
314      - fixed bug in sysex handling (patch by Juan Linietsky)      - fixed bug in sysex handling (patch by Juan Linietsky)
315      - added global volume attenuation of -9 dB (0.35f) to prevent clipping      - added global volume attenuation of -9 dB (0.35f) to prevent clipping
316        which can be overridden with --enable-global-attenuation        which can be overridden with --enable-global-attenuation
# Line 44  Version CVS HEAD (?) Line 324  Version CVS HEAD (?)
324        all modes can be altered via standard GM messages, that is CC5 for        all modes can be altered via standard GM messages, that is CC5 for
325        altering portamento time, CC65 for enabling / disabling portamento        altering portamento time, CC65 for enabling / disabling portamento
326        mode, CC126 for enabling solo mode and CC127 for disabling solo mode        mode, CC126 for enabling solo mode and CC127 for disabling solo mode
327      - fine tuning of the curves for volume (CC7) and pan (CC10 and gig      - fine tuning of the curves for volume (CC7), pan (CC10 and gig
328        parameter)        parameter) and crossfade
329      - added support for the "attenuation controller threshold" gig      - added support for the "attenuation controller threshold" gig
330        parameter        parameter
331        - added smoothing of volume changes caused by control change
332          messages
333        - sample loop parameters are now taken from the DimensionRegion
334          instead of the wave chunk
335        - fixed keyswitching for v3 gigs with a number of keyswitch splits
336          not equal to a power of two
337        - reimplementation of the filter algorithm. The new filter is more
338          accurate and supports all gig filter types, including bandreject
339          and lowpass turbo.
340        - real support for 24 bit samples - samples are not truncated to
341          16 bits anymore
342        - support for aftertouch (channel pressure, not polyphonic
343          aftertouch)
344        - LFO1 behaviour fixed (dampening from max volume instead of
345          amplifying from 0)
346    
347    * LSCP server:    * LSCP server:
348      - fixed application exit on broken pipe error (fixes bug #20)      - fixed application exit on broken pipe error (fixes bug #20)
# Line 56  Version CVS HEAD (?) Line 351  Version CVS HEAD (?)
351      - fixed parser bug which occured on space(s) within device parameters      - fixed parser bug which occured on space(s) within device parameters
352        (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")        (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
353    
354      * audio driver:
355        - added aRts audio output driver (by no means RT safe)
356    
357    * MIDI driver:    * MIDI driver:
358      - fixed legacy sysex code which caused dispatching of MIDI SysEx      - fixed legacy sysex code which caused dispatching of MIDI SysEx
359        messages several times instead of once        messages several times instead of once
360        - API extension for MIDI drivers which already supply exact time stamps
361          for events (i.e. for offline rendering based MIDI drivers)
362        - added checks for bad MIDI data
363    
364      * linuxsampler application:
365        - show available sampler engine types on startup
366    
367    * general changes:    * general changes:
368      - support for muting sampler channels and solo mode of the same, two new      - support for muting sampler channels and solo mode of the same, two new
# Line 72  Version CVS HEAD (?) Line 376  Version CVS HEAD (?)
376      - support for monitoring the total number of active voices      - support for monitoring the total number of active voices
377        (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,        (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
378        SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)        SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
379        - fixed some memory management errors
380        - fixed some concurrency problems that could lead to crashes when
381          LSCP commands were executed
382        - fixed crash when instrument loading failed previously on the same
383          sampler channel (fixes bug #36)
384    
385  Version 0.3.3 (15 July 2005)  Version 0.3.3 (15 July 2005)
386    

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