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revision 1244 by schoenebeck, Mon Jun 18 08:47:15 2007 UTC revision 1842 by persson, Sat Feb 21 16:11:17 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    
45      * audio driver:
46        - removed the nonsense audio channel constraint (which was hard coded to
47          max. 100 audio channels) for most audio drivers
48        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
49          opposed to the LSCP specs
50        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
51          reflected the wrong value
52        - fixed a memory management bug in ASIO driver
53        - Makefile fix: JACK_CFLAGS wasn't used
54        - JACK: use jack_client_open instead of the deprecated
55          jack_client_new
56        - added (experimental) CoreAudio driver
57    
58      * MIDI driver:
59        - added JACK MIDI driver
60        - dispatch bank select as ordinary CC as well, the user might seriously
61          want to (mis)use it for some purpose ("fixed" in all current MIDI
62          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
63    
64      * instruments database:
65        - avoid time consuming samples scanning when adding instruments
66          to the instruments database
67        - added support for handling lost files in the instruments database
68        - Implemented option for adding instruments in separate directories
69          in the instruments database
70          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
71    
72      * Gigasampler format engine:
73        - fixed a memory leak that could happen when a channel was deleted
74          while notes were playing
75        - made it possible to load an instrument even if the audio thread
76          isn't running
77        - added partial support for the "Controller Triggered" MIDI rule,
78          enough for piano gigs with pedal noise samples
79        - minor fix: only mark FX sends as being modified if really the
80          respective FX send MIDI controller was used
81        - added support for GM global device volume SysEx message
82          (can be selected at compile time to either apply globally to the
83          whole sampler [default] or only to the sampler channels that are
84          connected to the respective MIDI input port the SysEx message arrived
85          on)
86        - bugfix: notes triggered at position 0 in the audio buffer were
87          sometimes wrongly killed in the same buffer, causing no sound to
88          be played
89        - added support for chromatic / drumkit mode Roland GS Sysex message
90          which is usally used to switch a part between chromatic sounds and
91          drumkit sounds (as opposed to their common default setting of MIDI
92          part 10 being a drumkit part and all other ones chromatic parts), in
93          LS however one can switch between the first 16 MIDI instrument maps
94          defined for the sampler
95        - made it possible to create multiple sample channels even if the
96          audio thread isn't running
97    
98      * LSCP server:
99        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
100          react on MIDI data arriving on certain sampler channels (so far only
101          Note-On and Note-Off events are sent via this LSCP event)
102        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
103          react on MIDI data arriving on certain MIDI input devices (so far only
104          Note-On and Note-Off events are sent via this LSCP event)
105        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
106          SET DB_INSTRUMENT FILE_PATH
107        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
108          frontends to send MIDI messages to specific sampler channel
109        - added two additional fields to GET FILE INSTRUMENT INFO command -
110          KEY_BINDINGS and KEYSWITCH_BINDINGS
111        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
112          was incorrect
113        - Optimized the retrieval of the MIDI instrument mappings
114        - added new LSCP command "SET VOICES" to globally alter the maximum
115          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
116          be triggered respectively
117        - added new LSCP command "SET STREAMS" to globally alter the maximum
118          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
119          which will be triggered respectively
120        - bugfix: retry if "select" returns EINTR (this fixes a crash when
121          a gigedit file dialog is opened)
122    
123      * Bug fixes:
124        - fixed a crash which occurs when removing a sampler channel waiting
125          to start instrument loading after another channel
126        - fixed a crash which occurs when removing a sampler channel with
127          instrument loading in progress (bug #113)
128        - fixed termination caused by uncaught exception when adding MIDI
129          instrument with PERSISTENT load mode
130        - fixed possible iterator invalidations when resetting the sampler
131        - fixed memory leaks when issuing the following LSCP commands:
132          GET AUDIO_OUTPUT_DRIVER INFO
133          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
134          GET MIDI_INPUT_DRIVER INFO
135          GET MIDI_INPUT_DRIVER_PARAMETER INFO
136        - fixed possible compilation error when sqlite is not present
137    
138    
139    Version 0.5.1 (6 December 2007)
140    
141      * packaging changes:
142        - added autoconf checks for pthread library
143        - added autoconf check for pthread bug found on certain NPTL-enabled
144          glibc versions (see Gentoo bug report #194076)
145        - added autoconf checks for MS Windows
146    
147      * general changes:
148        - bugfix: the thread used by an editor plugin didn't die when the
149          editor closed
150        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
151          out all the space. operator--() did not apply size_mask after
152          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
153          order to avoid problems with the _NonVolatileReader functions.
154        - bugfix: Stream.h: added a missing divide by BytesPerSample in
155          GetWriteSpace(). Since this function is currently only used in
156          the stream's qsort() compare function, it didn't trigger any
157          bugs.
158        - Resampler.h, Synthesizer.h: cubic interpolation now works in
159          24bit mode too. Faster method to read 24bit words on little
160          endian machines (x86): replaced 3 byte reads + shifts with a 1
161          unaligned 32bit read and shift
162        - experimental support for MS Windows (MIDI input via MME, AUDIO
163          output via ASIO)
164        - made handling of SIGINT signal (Ctrl-C) a bit more robust
165        - support for monitoring the total number of active disk streams
166          (new LSCP commands: GET TOTAL_STREAM_COUNT,
167          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
168    
169      * AUDIO driver:
170        - added Windows ASIO low latency audio driver
171    
172      * MIDI driver:
173        - added MME Windows MIDI driver
174    
175      * LSCP server:
176        - added support for Windows style path / filenames, however with
177          forward slash path separators instead of backslash
178          (i.e. "C:/foo/bar.gig")
179        - allow naughty liblscp to send non-string device parameters within
180          apostrophes as well
181        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
182          "LIST FILE INSTRUMENTS <file>" and
183          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
184          about an arbitrary instrument file on the system where the sampler is
185          running on
186    
187    Version 0.5.0 (15 October 2007)
188    
189      * packaging changes:
190      - config.h is not going to be installed along with liblinuxsampler's      - config.h is not going to be installed along with liblinuxsampler's
191        API header files anymore        API header files anymore
192      - 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 195  Version CVS HEAD (?)
195        capable to execute our autoconf environment, thus no need anymore        capable to execute our autoconf environment, thus no need anymore
196        to maintain the compile time configuration file (osx/version.h) for        to maintain the compile time configuration file (osx/version.h) for
197        OSX manually (patch by Toshi Nagata)        OSX manually (patch by Toshi Nagata)
198        - fixed buggy boolean --enable-foo / --disable-foo configure script
199          parameters
200        - global.h now only covers global definitions that are needed for the
201          C++ API header files, all implementation internal global definitions
202          are now in global_private.h
203        - atomic.h is not exposed to the C++ API anymore
204        - no need to include config.h anymore for using LS's API header files
205        - fixed warnings in API doc generation
206    
207    * general changes:    * general changes:
208      - 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 235  Version CVS HEAD (?)
235      - fixed compilation errors regarding OSX      - fixed compilation errors regarding OSX
236        (patch by Toshi Nagata)        (patch by Toshi Nagata)
237      - implemented instruments database      - implemented instruments database
238        - added support for escape sequences to the instruments database
239      - added highly experimental support for on-the-fly instrument editing      - added highly experimental support for on-the-fly instrument editing
240        within the sampler's process (by using instrument editor plugins),        within the sampler's process (by using instrument editor plugins),
241        you'll notice the new "Registered instrument editors:" message on        you'll notice the new "Registered instrument editors:" message on
242        startup, added a new LSCP command "EDIT INSTRUMENT <sampler-channel>"        startup, added a new LSCP command:
243          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
244        to spawn a matching instrument editor for the instrument on the        to spawn a matching instrument editor for the instrument on the
245        given sampler channel, the plugin path can be overridden at compile        given sampler channel, the plugin path can be overridden at compile
246        time with ./configure --enable-plugin-dir=/some/dir        time with ./configure --enable-plugin-dir=/some/dir
247        - added experimental code for synchronizing instrument editors hosted
248          in the sampler's process to safely edit instruments while playing
249          without a crash (hopefully) by either suspending single regions
250          wherever possible or if unavoidable whole engine(s)
251      - fixed several issues in fundamental "Thread" class: set scheduling      - fixed several issues in fundamental "Thread" class: set scheduling
252        policy and priority on thread level, set a minimum stack size for        policy and priority on thread level, set a minimum stack size for
253        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 256  Version CVS HEAD (?)
256      - minor fix in our automatic stack trace mechanism on crashes, the      - minor fix in our automatic stack trace mechanism on crashes, the
257        main process did not wait for the stack trace process to finish        main process did not wait for the stack trace process to finish
258        its output        its output
259        - fixed some minor memory leaks
260        - reenabled assembly features support, at the moment only for
261          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
262        - minor assembly fix in x86 features detection (don't use the PIC
263          register, to avoid relocations in the text segment at runtime)
264        - POSIX callback functions of Thread.h are hidden
265    
266    * MIDI driver:    * MIDI driver:
267      - dispatch bank select (MSB and LSB) messages      - dispatch bank select (MSB and LSB) messages
# Line 83  Version CVS HEAD (?) Line 289  Version CVS HEAD (?)
289      - minor fix of EGDecay (patch by Toshi Nagata)      - minor fix of EGDecay (patch by Toshi Nagata)
290      - fixed compiler error when --enable-override-filter-type was      - fixed compiler error when --enable-override-filter-type was
291        supplied to the configure script (fixes #46)        supplied to the configure script (fixes #46)
292        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
293          instead of a fix value
294        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
295          127 (solo mode) only kill voices if the respective mode really
296          changed
297    
298    * LSCP server:    * LSCP server:
299      - fixed compile time error for old Bison versions      - fixed compile time error for old Bison versions
300        (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)
301        - parser now supports extended ASCII character set
302          (up to ASCII code 255, i.e. includes now umlauts and accents)
303        - filename arguments in LSCP commands now allow to use escape
304          sequences, that is directly literal as one of: \', \", \\, \n, \r,
305          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
306          code value like \xf2) (fixes bug #24)
307        - the following LSCP commands now also support escape sequences for at
308          least one of their text-based parameters (i.e. name, description):
309          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
310          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
311          "SET DB_INSTRUMENT_DIRECTORY NAME",
312          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
313          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
314          "FIND DB_INSTRUMENT_DIRECTORIES"
315        - returns verbose syntax errors (line and column where syntax error
316          occured, the unexpected character and the actually expected, possible
317          character(s), the latter only if less than 5 possibilities)
318        - made sure that LSCP syntax is not affected by gigedit locale
319          settings
320        - bugfix regarding strings parameter lists: all comma separated lists
321          of strings were treated as being one string containing commas
322          (fixes #57)
323    
324    * Bug fixes:    * Bug fixes:
325      - fixed crash occurring on certain LSCP scripts (Bug 39)      - fixed crash occurring on certain LSCP scripts (Bug 39)
326      - another thread safety fix for lscp "load engine" and "set      - another thread safety fix for lscp "load engine" and "set
327        channel audio output device"        channel audio output device"
328        - fixed a crash which occurs when reassigning the same engine
329          on a sampler channel with connected MIDI device
330        - fixed a crash which occurs when changing the number of ports of a MIDI
331          device connected to a sampler channel to number less then or equal
332          to the index of the port to which the sampler channel is connected.
333        - The previous bindings were not been disconnected when altering
334          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
335          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
336        - The active stream/voice count statistic was incorrect.
337        - notification events were not been sent for some sampler
338          channel changes
339        - added default min and max values to restrict the number of allowed
340          audio output channels and MIDI input ports
341        - the connection to the PCM interface is now closed when destroying
342          an audio output device
343        - files with slash in their path or filename could not be loaded
344    
345    * test cases:    * test cases:
346      - updated and fixed (haven't been touched in a while)      - updated and fixed (haven't been touched in a while)

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