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revision 1244 by schoenebeck, Mon Jun 18 08:47:15 2007 UTC revision 1888 by persson, Sat Apr 18 09:26:45 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        - fixed building with libgig installed in a non-standard directory
14    
15      * general changes:
16        - bugfix: on some POSIX systems instrument editor plugins refused to
17          load as we used a non-portable Linux specific struct field
18          (fixes bug #70, patch by Ronald Baljeu)
19        - fixed endless loop which occured when loading an instrument editor
20          plugin DLL on Windows systems failed
21        - fixed memory leaks that occurred when liblinuxsampler was unloaded
22        - optimized the SynchronizedConfig class so it doesn't wait
23          unnecessarily long after an update
24        - added support for notifying instrument editors on note-on / note-off
25          events (e.g. to highlight the pressed keys on the virtual keyboard
26          of gigedit)
27        - added support for triggering notes by instrument editors (see above)
28        - be verbose on DLL load errors (on Linux)
29        - fixed di-harmonic triangle LFO implementation (this LFO implementation
30          is only used by very few systems, most pick the int math
31          implementation, which is usually faster)
32        - fixes for audio drivers with varying buffer sizes
33        - experimental support for running LinuxSampler as a DSSI, LV2 and
34          VST plugin
35        - notification events for stream/voice count statistics are now sent
36          only when there are actual changes
37        - added memory ordering constraints to improve stability on
38          multi-core and multi-cpu systems
39        - maximum voices and disk streams can now be altered at runtime
40        - fixed CPU feature detection on x86_64 (maybe fixes #108)
41        - automatic stacktrace mechanism is now turned off by default and can
42          be switched on by command line option "--stacktrace" (the automatic
43          stacktrace mechanism seems to be broken on most systems at the moment)
44        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
45          a pointer to the launched InstrumentEditor object
46        - added optional 3rd party user data parameter for following
47          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
48          InstrumentEditor::Launch(),
49          InstrumentManager::LaunchInstrumentEditor()
50        - theoretical fix: made SynchronizedConfig follow C++0x memory
51          model more strictly
52    
53      * audio driver:
54        - removed the nonsense audio channel constraint (which was hard coded to
55          max. 100 audio channels) for most audio drivers
56        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
57          opposed to the LSCP specs
58        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
59          reflected the wrong value
60        - fixed a memory management bug in ASIO driver
61        - Makefile fix: JACK_CFLAGS wasn't used
62        - JACK: use jack_client_open instead of the deprecated
63          jack_client_new
64        - added (experimental) CoreAudio driver
65        - applied old fixes to the ASIO driver that were included in the
66          previous binary release but accidentally never committed to CVS
67          (fixes #117)
68    
69      * MIDI driver:
70        - added JACK MIDI driver
71        - dispatch bank select as ordinary CC as well, the user might seriously
72          want to (mis)use it for some purpose ("fixed" in all current MIDI
73          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
74        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, Mme,
75          CoreMidi or AU
76    
77      * instruments database:
78        - avoid time consuming samples scanning when adding instruments
79          to the instruments database
80        - added support for handling lost files in the instruments database
81        - Implemented option for adding instruments in separate directories
82          in the instruments database
83          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
84    
85      * Gigasampler format engine:
86        - fixed a memory leak that could happen when a channel was deleted
87          while notes were playing
88        - made it possible to load an instrument even if the audio thread
89          isn't running
90        - added partial support for the "Controller Triggered" MIDI rule,
91          enough for piano gigs with pedal noise samples
92        - minor fix: only mark FX sends as being modified if really the
93          respective FX send MIDI controller was used
94        - added support for GM global device volume SysEx message
95          (can be selected at compile time to either apply globally to the
96          whole sampler [default] or only to the sampler channels that are
97          connected to the respective MIDI input port the SysEx message arrived
98          on)
99        - bugfix: notes triggered at position 0 in the audio buffer were
100          sometimes wrongly killed in the same buffer, causing no sound to
101          be played
102        - added support for chromatic / drumkit mode Roland GS Sysex message
103          which is usally used to switch a part between chromatic sounds and
104          drumkit sounds (as opposed to their common default setting of MIDI
105          part 10 being a drumkit part and all other ones chromatic parts), in
106          LS however one can switch between the first 16 MIDI instrument maps
107          defined for the sampler
108        - made it possible to create multiple sample channels even if the
109          audio thread isn't running
110        - fixed crash when removing channel with active voices (#116)
111        - bugfix: on sample reference changes (instrument editor), only
112          un-cache the respective sample if it's really not used by any
113          sampler engine anymore
114        - re-cache samples in case they were changed by an instrument editor,
115          e.g. when a sample was added while playing (#82)
116        - fixed hanging notes which occured when note-off event had the exact
117          same time stamp as the voice's note-on event and occured both in the
118          same audio fragment cycle (fixes bug #112)
119        - added support for the "fine tune" and "pitch bend range"
120          instrument-level gig parameters
121        - fixed minor artifacts in pitch bend handling
122        - added support for GS Reset SysEx message
123        - allow gig files to use unlimited downward pitch shifting
124        - added a limit check for upward pitch shifting
125    
126      * LSCP server:
127        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
128          react on MIDI data arriving on certain sampler channels (so far only
129          Note-On and Note-Off events are sent via this LSCP event)
130        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
131          react on MIDI data arriving on certain MIDI input devices (so far only
132          Note-On and Note-Off events are sent via this LSCP event)
133        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
134          SET DB_INSTRUMENT FILE_PATH
135        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
136          frontends to send MIDI messages to specific sampler channel
137        - added two additional fields to GET FILE INSTRUMENT INFO command -
138          KEY_BINDINGS and KEYSWITCH_BINDINGS
139        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
140          was incorrect
141        - Optimized the retrieval of the MIDI instrument mappings
142        - added new LSCP command "SET VOICES" to globally alter the maximum
143          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
144          be triggered respectively
145        - added new LSCP command "SET STREAMS" to globally alter the maximum
146          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
147          which will be triggered respectively
148        - bugfix: retry if "select" returns EINTR (this fixes a crash when
149          a gigedit file dialog is opened)
150        - close all connections when LSCPServer is deleted
151        - hard close of all sockets on exit
152    
153      * Bug fixes:
154        - fixed a crash which occurs when removing a sampler channel waiting
155          to start instrument loading after another channel
156        - fixed a crash which occurs when removing a sampler channel with
157          instrument loading in progress (bug #113)
158        - fixed termination caused by uncaught exception when adding MIDI
159          instrument with PERSISTENT load mode
160        - fixed possible iterator invalidations when resetting the sampler
161        - fixed memory leaks when issuing the following LSCP commands:
162          GET AUDIO_OUTPUT_DRIVER INFO
163          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
164          GET MIDI_INPUT_DRIVER INFO
165          GET MIDI_INPUT_DRIVER_PARAMETER INFO
166        - fixed possible compilation error when sqlite is not present
167        - fixed orphaned pointers when setting maximum voices limit (bug #118)
168        - fixed crash when changing the audio output device of a sampler
169          channel with loaded instrument and start playing notes
170        - fixed endless loop in Engine::SuspendAll() (bug #120)
171        - fixed a low-level atomic load function that was broken on 64-bit
172          PowerPC, which probably could cause crashes on that platform
173    
174    
175    Version 0.5.1 (6 December 2007)
176    
177      * packaging changes:
178        - added autoconf checks for pthread library
179        - added autoconf check for pthread bug found on certain NPTL-enabled
180          glibc versions (see Gentoo bug report #194076)
181        - added autoconf checks for MS Windows
182    
183      * general changes:
184        - bugfix: the thread used by an editor plugin didn't die when the
185          editor closed
186        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
187          out all the space. operator--() did not apply size_mask after
188          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
189          order to avoid problems with the _NonVolatileReader functions.
190        - bugfix: Stream.h: added a missing divide by BytesPerSample in
191          GetWriteSpace(). Since this function is currently only used in
192          the stream's qsort() compare function, it didn't trigger any
193          bugs.
194        - Resampler.h, Synthesizer.h: cubic interpolation now works in
195          24bit mode too. Faster method to read 24bit words on little
196          endian machines (x86): replaced 3 byte reads + shifts with a 1
197          unaligned 32bit read and shift
198        - experimental support for MS Windows (MIDI input via MME, AUDIO
199          output via ASIO)
200        - made handling of SIGINT signal (Ctrl-C) a bit more robust
201        - support for monitoring the total number of active disk streams
202          (new LSCP commands: GET TOTAL_STREAM_COUNT,
203          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
204    
205      * AUDIO driver:
206        - added Windows ASIO low latency audio driver
207    
208      * MIDI driver:
209        - added MME Windows MIDI driver
210    
211      * LSCP server:
212        - added support for Windows style path / filenames, however with
213          forward slash path separators instead of backslash
214          (i.e. "C:/foo/bar.gig")
215        - allow naughty liblscp to send non-string device parameters within
216          apostrophes as well
217        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
218          "LIST FILE INSTRUMENTS <file>" and
219          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
220          about an arbitrary instrument file on the system where the sampler is
221          running on
222    
223    Version 0.5.0 (15 October 2007)
224    
225      * packaging changes:
226      - config.h is not going to be installed along with liblinuxsampler's      - config.h is not going to be installed along with liblinuxsampler's
227        API header files anymore        API header files anymore
228      - 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 231  Version CVS HEAD (?)
231        capable to execute our autoconf environment, thus no need anymore        capable to execute our autoconf environment, thus no need anymore
232        to maintain the compile time configuration file (osx/version.h) for        to maintain the compile time configuration file (osx/version.h) for
233        OSX manually (patch by Toshi Nagata)        OSX manually (patch by Toshi Nagata)
234        - fixed buggy boolean --enable-foo / --disable-foo configure script
235          parameters
236        - global.h now only covers global definitions that are needed for the
237          C++ API header files, all implementation internal global definitions
238          are now in global_private.h
239        - atomic.h is not exposed to the C++ API anymore
240        - no need to include config.h anymore for using LS's API header files
241        - fixed warnings in API doc generation
242    
243    * general changes:    * general changes:
244      - 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 271  Version CVS HEAD (?)
271      - fixed compilation errors regarding OSX      - fixed compilation errors regarding OSX
272        (patch by Toshi Nagata)        (patch by Toshi Nagata)
273      - implemented instruments database      - implemented instruments database
274        - added support for escape sequences to the instruments database
275      - added highly experimental support for on-the-fly instrument editing      - added highly experimental support for on-the-fly instrument editing
276        within the sampler's process (by using instrument editor plugins),        within the sampler's process (by using instrument editor plugins),
277        you'll notice the new "Registered instrument editors:" message on        you'll notice the new "Registered instrument editors:" message on
278        startup, added a new LSCP command "EDIT INSTRUMENT <sampler-channel>"        startup, added a new LSCP command:
279          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
280        to spawn a matching instrument editor for the instrument on the        to spawn a matching instrument editor for the instrument on the
281        given sampler channel, the plugin path can be overridden at compile        given sampler channel, the plugin path can be overridden at compile
282        time with ./configure --enable-plugin-dir=/some/dir        time with ./configure --enable-plugin-dir=/some/dir
283        - added experimental code for synchronizing instrument editors hosted
284          in the sampler's process to safely edit instruments while playing
285          without a crash (hopefully) by either suspending single regions
286          wherever possible or if unavoidable whole engine(s)
287      - fixed several issues in fundamental "Thread" class: set scheduling      - fixed several issues in fundamental "Thread" class: set scheduling
288        policy and priority on thread level, set a minimum stack size for        policy and priority on thread level, set a minimum stack size for
289        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 292  Version CVS HEAD (?)
292      - minor fix in our automatic stack trace mechanism on crashes, the      - minor fix in our automatic stack trace mechanism on crashes, the
293        main process did not wait for the stack trace process to finish        main process did not wait for the stack trace process to finish
294        its output        its output
295        - fixed some minor memory leaks
296        - reenabled assembly features support, at the moment only for
297          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
298        - minor assembly fix in x86 features detection (don't use the PIC
299          register, to avoid relocations in the text segment at runtime)
300        - POSIX callback functions of Thread.h are hidden
301    
302    * MIDI driver:    * MIDI driver:
303      - dispatch bank select (MSB and LSB) messages      - dispatch bank select (MSB and LSB) messages
# Line 83  Version CVS HEAD (?) Line 325  Version CVS HEAD (?)
325      - minor fix of EGDecay (patch by Toshi Nagata)      - minor fix of EGDecay (patch by Toshi Nagata)
326      - fixed compiler error when --enable-override-filter-type was      - fixed compiler error when --enable-override-filter-type was
327        supplied to the configure script (fixes #46)        supplied to the configure script (fixes #46)
328        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
329          instead of a fix value
330        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
331          127 (solo mode) only kill voices if the respective mode really
332          changed
333    
334    * LSCP server:    * LSCP server:
335      - fixed compile time error for old Bison versions      - fixed compile time error for old Bison versions
336        (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)
337        - parser now supports extended ASCII character set
338          (up to ASCII code 255, i.e. includes now umlauts and accents)
339        - filename arguments in LSCP commands now allow to use escape
340          sequences, that is directly literal as one of: \', \", \\, \n, \r,
341          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
342          code value like \xf2) (fixes bug #24)
343        - the following LSCP commands now also support escape sequences for at
344          least one of their text-based parameters (i.e. name, description):
345          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
346          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
347          "SET DB_INSTRUMENT_DIRECTORY NAME",
348          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
349          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
350          "FIND DB_INSTRUMENT_DIRECTORIES"
351        - returns verbose syntax errors (line and column where syntax error
352          occured, the unexpected character and the actually expected, possible
353          character(s), the latter only if less than 5 possibilities)
354        - made sure that LSCP syntax is not affected by gigedit locale
355          settings
356        - bugfix regarding strings parameter lists: all comma separated lists
357          of strings were treated as being one string containing commas
358          (fixes #57)
359    
360    * Bug fixes:    * Bug fixes:
361      - fixed crash occurring on certain LSCP scripts (Bug 39)      - fixed crash occurring on certain LSCP scripts (Bug 39)
362      - another thread safety fix for lscp "load engine" and "set      - another thread safety fix for lscp "load engine" and "set
363        channel audio output device"        channel audio output device"
364        - fixed a crash which occurs when reassigning the same engine
365          on a sampler channel with connected MIDI device
366        - fixed a crash which occurs when changing the number of ports of a MIDI
367          device connected to a sampler channel to number less then or equal
368          to the index of the port to which the sampler channel is connected.
369        - The previous bindings were not been disconnected when altering
370          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
371          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
372        - The active stream/voice count statistic was incorrect.
373        - notification events were not been sent for some sampler
374          channel changes
375        - added default min and max values to restrict the number of allowed
376          audio output channels and MIDI input ports
377        - the connection to the PCM interface is now closed when destroying
378          an audio output device
379        - files with slash in their path or filename could not be loaded
380    
381    * test cases:    * test cases:
382      - updated and fixed (haven't been touched in a while)      - updated and fixed (haven't been touched in a while)

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