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revision 1130 by iliev, Sun Mar 25 18:59:14 2007 UTC revision 1829 by iliev, Fri Jan 30 19:22:36 2009 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version CVS HEAD (?)
2    
3    * packaging changes:    * packaging changes:
4        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
5          causing e.g. the libgig test to fail when
6          "./configure --disable-jack-driver" was used
7          (patch by Alexis Ballier)
8        - fixed compilation with gcc 4.3
9        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
10        - fixed configure so it detects x86_64 (#107)
11        - fixes for building with newer MinGW versions
12        - fix for building with bison 2.4 (#111)
13    
14      * general changes:
15        - bugfix: on some POSIX systems instrument editor plugins refused to
16          load as we used a non-portable Linux specific struct field
17          (fixes bug #70, patch by Ronald Baljeu)
18        - fixed endless loop which occured when loading an instrument editor
19          plugin DLL on Windows systems failed
20        - fixed memory leaks that occurred when liblinuxsampler was unloaded
21        - optimized the SynchronizedConfig class so it doesn't wait
22          unnecessarily long after an update
23        - added support for notifying instrument editors on note-on / note-off
24          events (e.g. to highlight the pressed keys on the virtual keyboard
25          of gigedit)
26        - added support for triggering notes by instrument editors (see above)
27        - be verbose on DLL load errors (on Linux)
28        - fixed di-harmonic triangle LFO implementation (this LFO implementation
29          is only used by very few systems, most pick the int math
30          implementation, which is usually faster)
31        - fixes for audio drivers with varying buffer sizes
32        - experimental support for running LinuxSampler as a DSSI, LV2 and
33          VST plugin
34        - notification events for stream/voice count statistics are now sent
35          only when there are actual changes
36        - added memory ordering constraints to improve stability on
37          multi-core and multi-cpu systems
38        - maximum voices and disk streams can now be altered at runtime
39        - fixed CPU feature detection on x86_64 (maybe fixes #108)
40    
41      * audio driver:
42        - removed the nonsense audio channel constraint (which was hard coded to
43          max. 100 audio channels) for most audio drivers
44        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
45          opposed to the LSCP specs
46        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
47          reflected the wrong value
48        - fixed a memory management bug in ASIO driver
49        - Makefile fix: JACK_CFLAGS wasn't used
50        - JACK: use jack_client_open instead of the deprecated
51          jack_client_new
52        - added (experimental) CoreAudio driver
53    
54      * MIDI driver:
55        - added JACK MIDI driver
56        - dispatch bank select as ordinary CC as well, the user might seriously
57          want to (mis)use it for some purpose ("fixed" in all current MIDI
58          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
59    
60      * instruments database:
61        - avoid time consuming samples scanning when adding instruments
62          to the instruments database
63        - added support for handling lost files in the instruments database
64        - Implemented option for adding instruments in separate directories
65          in the instruments database
66          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
67    
68      * Gigasampler format engine:
69        - fixed a memory leak that could happen when a channel was deleted
70          while notes were playing
71        - made it possible to load an instrument even if the audio thread
72          isn't running
73        - added partial support for the "Controller Triggered" MIDI rule,
74          enough for piano gigs with pedal noise samples
75        - minor fix: only mark FX sends as being modified if really the
76          respective FX send MIDI controller was used
77        - added support for GM global device volume SysEx message
78          (can be selected at compile time to either apply globally to the
79          whole sampler [default] or only to the sampler channels that are
80          connected to the respective MIDI input port the SysEx message arrived
81          on)
82        - bugfix: notes triggered at position 0 in the audio buffer were
83          sometimes wrongly killed in the same buffer, causing no sound to
84          be played
85        - added support for chromatic / drumkit mode Roland GS Sysex message
86          which is usally used to switch a part between chromatic sounds and
87          drumkit sounds (as opposed to their common default setting of MIDI
88          part 10 being a drumkit part and all other ones chromatic parts), in
89          LS however one can switch between the first 16 MIDI instrument maps
90          defined for the sampler
91        - made it possible to create multiple sample channels even if the
92          audio thread isn't running
93    
94      * LSCP server:
95        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
96          react on MIDI data arriving on certain sampler channels (so far only
97          Note-On and Note-Off events are sent via this LSCP event)
98        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
99          react on MIDI data arriving on certain MIDI input devices (so far only
100          Note-On and Note-Off events are sent via this LSCP event)
101        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
102          SET DB_INSTRUMENT FILE_PATH
103        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
104          frontends to send MIDI messages to specific sampler channel
105        - added two additional fields to GET FILE INSTRUMENT INFO command -
106          KEY_BINDINGS and KEYSWITCH_BINDINGS
107        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
108          was incorrect
109        - Optimized the retrieval of the MIDI instrument mappings
110        - added new LSCP command "SET VOICES" to globally alter the maximum
111          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
112          be triggered respectively
113        - added new LSCP command "SET STREAMS" to globally alter the maximum
114          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
115          which will be triggered respectively
116        - bugfix: retry if "select" returns EINTR (this fixes a crash when
117          a gigedit file dialog is opened)
118    
119      * Bug fixes:
120        - fixed a crash which occurs when removing a sampler channel waiting
121          to start instrument loading after another channel
122        - fixed a crash which occurs when removing a sampler channel with
123          instrument loading in progress (bug #113)
124        - fixed termination caused by uncaught exception when adding MIDI
125          instrument with PERSISTENT load mode
126    
127    
128    Version 0.5.1 (6 December 2007)
129    
130      * packaging changes:
131        - added autoconf checks for pthread library
132        - added autoconf check for pthread bug found on certain NPTL-enabled
133          glibc versions (see Gentoo bug report #194076)
134        - added autoconf checks for MS Windows
135    
136      * general changes:
137        - bugfix: the thread used by an editor plugin didn't die when the
138          editor closed
139        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
140          out all the space. operator--() did not apply size_mask after
141          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
142          order to avoid problems with the _NonVolatileReader functions.
143        - bugfix: Stream.h: added a missing divide by BytesPerSample in
144          GetWriteSpace(). Since this function is currently only used in
145          the stream's qsort() compare function, it didn't trigger any
146          bugs.
147        - Resampler.h, Synthesizer.h: cubic interpolation now works in
148          24bit mode too. Faster method to read 24bit words on little
149          endian machines (x86): replaced 3 byte reads + shifts with a 1
150          unaligned 32bit read and shift
151        - experimental support for MS Windows (MIDI input via MME, AUDIO
152          output via ASIO)
153        - made handling of SIGINT signal (Ctrl-C) a bit more robust
154        - support for monitoring the total number of active disk streams
155          (new LSCP commands: GET TOTAL_STREAM_COUNT,
156          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
157    
158      * AUDIO driver:
159        - added Windows ASIO low latency audio driver
160    
161      * MIDI driver:
162        - added MME Windows MIDI driver
163    
164      * LSCP server:
165        - added support for Windows style path / filenames, however with
166          forward slash path separators instead of backslash
167          (i.e. "C:/foo/bar.gig")
168        - allow naughty liblscp to send non-string device parameters within
169          apostrophes as well
170        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
171          "LIST FILE INSTRUMENTS <file>" and
172          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
173          about an arbitrary instrument file on the system where the sampler is
174          running on
175    
176    Version 0.5.0 (15 October 2007)
177    
178      * packaging changes:
179        - config.h is not going to be installed along with liblinuxsampler's
180          API header files anymore
181      - only the API relevant header (and source) files will be exported to      - only the API relevant header (and source) files will be exported to
182        the Doxygen API documentation (explicitly listed in Doxyfile.in)        the Doxygen API documentation (explicitly listed in Doxyfile.in)
183        - added completely new XCode project files for Mac OSX which is now
184          capable to execute our autoconf environment, thus no need anymore
185          to maintain the compile time configuration file (osx/version.h) for
186          OSX manually (patch by Toshi Nagata)
187        - fixed buggy boolean --enable-foo / --disable-foo configure script
188          parameters
189        - global.h now only covers global definitions that are needed for the
190          C++ API header files, all implementation internal global definitions
191          are now in global_private.h
192        - atomic.h is not exposed to the C++ API anymore
193        - no need to include config.h anymore for using LS's API header files
194        - fixed warnings in API doc generation
195    
196    * general changes:    * general changes:
197      - replaced the old, confusing MIDI program change mechanism by a      - replaced the old, confusing MIDI program change mechanism by a
# Line 32  Version CVS HEAD (?) Line 221  Version CVS HEAD (?)
221        controllers        controllers
222      - global (sampler wide) volume can now be controlled at runtime      - global (sampler wide) volume can now be controlled at runtime
223      - Implemented new, improved notification system      - Implemented new, improved notification system
224        - fixed compilation errors regarding OSX
225          (patch by Toshi Nagata)
226        - implemented instruments database
227        - added support for escape sequences to the instruments database
228        - added highly experimental support for on-the-fly instrument editing
229          within the sampler's process (by using instrument editor plugins),
230          you'll notice the new "Registered instrument editors:" message on
231          startup, added a new LSCP command:
232          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
233          to spawn a matching instrument editor for the instrument on the
234          given sampler channel, the plugin path can be overridden at compile
235          time with ./configure --enable-plugin-dir=/some/dir
236        - added experimental code for synchronizing instrument editors hosted
237          in the sampler's process to safely edit instruments while playing
238          without a crash (hopefully) by either suspending single regions
239          wherever possible or if unavoidable whole engine(s)
240        - fixed several issues in fundamental "Thread" class: set scheduling
241          policy and priority on thread level, set a minimum stack size for
242          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
243          threads simply inherited properties of starting thread instead of
244          setting their own policy and priority
245        - minor fix in our automatic stack trace mechanism on crashes, the
246          main process did not wait for the stack trace process to finish
247          its output
248        - fixed some minor memory leaks
249        - reenabled assembly features support, at the moment only for
250          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
251        - minor assembly fix in x86 features detection (don't use the PIC
252          register, to avoid relocations in the text segment at runtime)
253        - POSIX callback functions of Thread.h are hidden
254    
255    * MIDI driver:    * MIDI driver:
256      - dispatch bank select (MSB and LSB) messages      - dispatch bank select (MSB and LSB) messages
# Line 54  Version CVS HEAD (?) Line 273  Version CVS HEAD (?)
273      - EG fine tuning: when attack is zero the EG starts at a level      - EG fine tuning: when attack is zero the EG starts at a level
274        above max sustain level, which means that there is a decay phase        above max sustain level, which means that there is a decay phase
275        even if sustain is 100%        even if sustain is 100%
276        - more EG fixes: the level could sometimes go below zero and cause
277          noises or crashes
278        - minor fix of EGDecay (patch by Toshi Nagata)
279        - fixed compiler error when --enable-override-filter-type was
280          supplied to the configure script (fixes #46)
281        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
282          instead of a fix value
283        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
284          127 (solo mode) only kill voices if the respective mode really
285          changed
286    
287      * LSCP server:
288        - fixed compile time error for old Bison versions
289          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
290        - parser now supports extended ASCII character set
291          (up to ASCII code 255, i.e. includes now umlauts and accents)
292        - filename arguments in LSCP commands now allow to use escape
293          sequences, that is directly literal as one of: \', \", \\, \n, \r,
294          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
295          code value like \xf2) (fixes bug #24)
296        - the following LSCP commands now also support escape sequences for at
297          least one of their text-based parameters (i.e. name, description):
298          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
299          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
300          "SET DB_INSTRUMENT_DIRECTORY NAME",
301          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
302          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
303          "FIND DB_INSTRUMENT_DIRECTORIES"
304        - returns verbose syntax errors (line and column where syntax error
305          occured, the unexpected character and the actually expected, possible
306          character(s), the latter only if less than 5 possibilities)
307        - made sure that LSCP syntax is not affected by gigedit locale
308          settings
309        - bugfix regarding strings parameter lists: all comma separated lists
310          of strings were treated as being one string containing commas
311          (fixes #57)
312    
313    * Bug fixes:    * Bug fixes:
314      - fixed crash occurring on certain LSCP scripts (Bug 39)      - fixed crash occurring on certain LSCP scripts (Bug 39)
315      - another thread safety fix for lscp "load engine" and "set      - another thread safety fix for lscp "load engine" and "set
316        channel audio output device"        channel audio output device"
317        - fixed a crash which occurs when reassigning the same engine
318          on a sampler channel with connected MIDI device
319        - fixed a crash which occurs when changing the number of ports of a MIDI
320          device connected to a sampler channel to number less then or equal
321          to the index of the port to which the sampler channel is connected.
322        - The previous bindings were not been disconnected when altering
323          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
324          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
325        - The active stream/voice count statistic was incorrect.
326        - notification events were not been sent for some sampler
327          channel changes
328        - added default min and max values to restrict the number of allowed
329          audio output channels and MIDI input ports
330        - the connection to the PCM interface is now closed when destroying
331          an audio output device
332        - files with slash in their path or filename could not be loaded
333    
334      * test cases:
335        - updated and fixed (haven't been touched in a while)
336    
337  Version 0.4.0 (24 November 2006)  Version 0.4.0 (24 November 2006)
338    

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