/[svn]/linuxsampler/trunk/ChangeLog
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revision 831 by persson, Sat Jan 28 16:55:30 2006 UTC revision 2205 by iliev, Mon Jul 11 17:52:01 2011 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version CVS HEAD (?)
2    
3      * plugin changes:
4        - LV2 Persist + Files support (patch by David Robillard)
5    
6      * packaging changes:
7        - fixed building with newer MinGW-w64
8        - Mac OS X: support the new dir for Core Audio SDK
9        - Mac OS X: fixed building outside source directory
10        - made sure all source files for hostplugins are included when
11          doing "make dist"
12        - removed empty directories left from the cvs to svn migration
13        - fixed compilation with gcc 4.6.1
14        - another "make dist" fix, for the LV2 plugin
15        - made --enable-pthread-testcancel default on Mac OS X
16        - minor Makefile fix for building lscpparser when build and source
17          directories are separate
18        - Mac OS X: made it possible to specify plugin installation dir to
19          configure
20    
21      * general changes:
22        - Refactoring: moved the independent code from
23          the Gigasampler format engine to base classes
24        - command line option '--profile' is currently disabled, since the
25          respective profiling code is currently broken
26        - Introduced support for optional environment variable
27          "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
28          where the sampler shall look for instrument editor plugins
29          (patch by Luis Garrido, slightly modified).
30        - implemented Roland GS NRPN 1ArrH which allows to set volume per note
31        - implemented Roland GS NRPN 1CrrH which allows to set pan per note
32        - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
33          note (in this implementation of the sampler its simply hard routed to
34          the 1st effect send of the sampler channel, no matter what the actual
35          effect type is)
36        - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
37          note (in this implementation of the sampler its simply hard routed to
38          the 2nd effect send of the sampler channel, no matter what the actual
39          effect type is)
40        - implemented support for internal LADSPA effects
41        - raised limit of program change queue from 100 to 512
42          (as suggested by Alex Stone)
43    
44      * Gigasampler format engine:
45        - implemented the "round robin keyboard" dimension
46        - fixed round robin and random dimensions for cases when number of
47          dimension zones is not a power of two
48        - made round robin use a counter for each region instead of each
49          key
50    
51      * SFZ format engine:
52        - Initial implementation (not usable yet)
53        - added support for v2 multiple stage envelope generators
54        - added a fine-tuned v1 envelope generator instead of using the
55          one from the gig engine
56        - fixed memory leak and memory handling errors
57        - added support for trigger=first, trigger=legato and sw_previous
58        - allow non-numerical key values ("C#4" for example)
59        - "key" opcode now sets pitch_keycenter too
60        - fixed error when unloading instrument with same sample used by
61          multiple regions
62        - added some opcode aliases, like loopmode for loop_mode, to be
63          more compatible
64        - added support for trigger=release and rt_decay
65        - added support for off_mode=normal
66        - added support for random, seq_position, seq_length and volume
67        - added v1 LFO opcodes to parser (no support in engine yet)
68        - added support for amp_veltrack and amp_velcurve_N
69        - fine-tuned the default velocity curve
70        - added support for transpose
71        - fixed crash when using sw_down/up
72        - improved logic for sw_lokey/hikey/up/down/last
73        - added more v1 aliases to parser
74        - reduced memory usage for sfz data
75        - RT-safeness: avoid malloc in audio thread
76        - fixed a bug that could cause voice stealing to fail
77        - optimized sample lookup
78        - improved support for exclusive groups (group, off_by and
79          off_mode)
80        - added support for controller triggered regions (on_locc/on_hicc)
81        - added support for loop_mode=one_shot
82        - fixed playback of 16 bit wav files on big endian CPUs
83        - added support for Ogg Vorbis sample files
84        - use loop markers from sample file if loop_start and loop_end are
85          not set in sfz file
86        - implemeted filters. Filter types: lowpass, bandpass, bandreject
87          and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
88          cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
89          cutoff_cc, cutoff_chanaft.
90        - bugfix: zero ampeg_sustain didn't work
91        - added support for velocity effect on amplifier envelope time
92          (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
93          ampeg_vel2release)
94        - added support for EG hold (ampeg_hold)
95    
96      * SoundFont format engine:
97        - Initial implementation (not usable yet)
98        - RT-safeness: avoid malloc in audio thread
99        - fixed a bug that could cause voice stealing to fail
100        - fine-tuned amplitude EG (by switching from gig to sfz EG)
101        - initial implementation of Vibrato LFO
102    
103      * Gigasampler format engine:
104        - bugfix: pitch LFO controller "internal+aftertouch" was broken
105        - bugfix: filter keyboard tracking was broken
106        - filter performance fix (an unnecessary copy was made of the
107          filter parameters in each sub fragment)
108    
109      * Host plugins:
110        - AU bugfix: failed to destroy its audio/MIDI devices
111        - Listen to all interfaces on Mac OS X (INADDR_ANY)
112        - VST bugfix: If the host called resume() before and after
113          changing sample rate or block size, the number of channels was
114          incorrectly set to two. This caused silence in Cubase 5.
115        - save engine type (gig, sfz or sf2) in plugin state
116        - VST: when opening Fantasia, look for both 32 and 64 bit Java on
117          64 bit Windows
118        - AU: changed number of output channels from one stereo to 16
119          stereo
120        - VST: made it possible to build the VST plugin for Mac
121        - AU: link AU plugin dynamically if --disable-shared isn't
122          specified
123    
124      * MIDI driver:
125        - ALSA MIDI driver supports now "NAME" device parameter, for overriding
126          the ALSA sequencer client name
127        - removed limit of maximum amount of MIDI ports per MIDI device, since
128          there is no reason for this limit
129    
130      * audio driver:
131        - ASIO driver fixes for newer gcc versions (fix from PortAudio)
132    
133      * LSCP server:
134        - added support for sending MIDI CC messages via LSCP command
135          "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
136        - added LSCP command "GET AVAILABLE_EFFECTS"
137        - added LSCP command "LIST AVAILABLE_EFFECTS"
138        - added LSCP command "GET EFFECT INFO <effect-index>"
139        - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
140        - added LSCP command
141          "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
142        - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
143        - added LSCP command "GET EFFECT_INSTANCES"
144        - added LSCP command "LIST EFFECT_INSTANCES"
145        - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
146        - added LSCP command
147          "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
148        - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
149          <effect-instance> <input-control> <value>"
150        - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
151        - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
152        - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
153        - added LSCP command
154          "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
155        - added LSCP command
156          "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
157        - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
158          <effect-chain> <effect-instance>"
159        - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
160          <effect-chain> <effect-chain-pos> <effect-instance>"
161        - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
162          <effect-chain> <chain-pos>"
163        - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
164          <fx_send_id> <effect_chain> <chain_pos>"
165        - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
166        - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
167          "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
168          "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
169    
170      * Bug fixes:
171        - Fixed crash which may occur when MIDI key + transpose is out of range
172        - minor valgrind fixes
173        - fixed crash which occurred when changing an already deployed sampler
174          channel to a different engine type
175        - fixed crash when deleting a sampler channel or changing engine
176          type while an instrument load was in progress
177        - bugfix: playing a note while changing the instrument could cause
178          a crash, or give "Handing back unknown region" error messages
179        - bugfix: calling SET VOICES (which Fantasia does on start and
180          refresh) could cause instruments to be unloaded
181        - Mac OS X: fixed name collision of enum in EffectControl and
182          wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
183        - Mac OS X: fixed hanging threads
184        - Windows: disabled the previous thread fix on non-Mac systems, as
185          it caused hanging threads on Windows
186        - Fixed possible crashes due to corrupted MIDI/audio device list
187          after MIDI/audio device creation failure
188    
189    Version 1.0.0 (31 July 2009)
190    
191      * packaging changes:
192        - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
193          causing e.g. the libgig test to fail when
194          "./configure --disable-jack-driver" was used
195          (patch by Alexis Ballier)
196        - fixed compilation with gcc 4.3
197        - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
198        - fixed configure so it detects x86_64 (#107)
199        - fixes for building with newer MinGW versions
200        - fix for building with bison 2.4 (#111)
201        - fixed building with libgig installed in a non-standard directory
202        - minor fix in configure for mmsystem.h detection on MinGW
203        - Windows: look for editor plugins and Fantasia using base
204          directory of liblinuxsampler dll (look in the same directory and one
205          directory above)
206        - configure script fix: removed unconditional use of SSE
207        - fixed building with sqlite installed in a non-standard directory
208        - when cross-compiling, don't try to create instruments.db
209        - fix for new mingw-w64 version, which has usleep
210    
211      * general changes:
212        - bugfix: on some POSIX systems instrument editor plugins refused to
213          load as we used a non-portable Linux specific struct field
214          (fixes bug #70, patch by Ronald Baljeu)
215        - fixed endless loop which occured when loading an instrument editor
216          plugin DLL on Windows systems failed
217        - fixed memory leaks that occurred when liblinuxsampler was unloaded
218        - optimized the SynchronizedConfig class so it doesn't wait
219          unnecessarily long after an update
220        - added support for notifying instrument editors on note-on / note-off
221          events (e.g. to highlight the pressed keys on the virtual keyboard
222          of gigedit)
223        - added support for triggering notes by instrument editors (see above)
224        - be verbose on DLL load errors (on Linux)
225        - fixed di-harmonic triangle LFO implementation (this LFO implementation
226          is only used by very few systems, most pick the int math
227          implementation, which is usually faster)
228        - fixes for audio drivers with varying buffer sizes
229        - experimental support for running LinuxSampler as a DSSI, LV2 and
230          VST plugin
231        - notification events for stream/voice count statistics are now sent
232          only when there are actual changes
233        - added memory ordering constraints to improve stability on
234          multi-core and multi-cpu systems
235        - maximum voices and disk streams can now be altered at runtime
236        - fixed CPU feature detection on x86_64 (maybe fixes #108)
237        - automatic stacktrace mechanism is now turned off by default and can
238          be switched on by command line option "--stacktrace" (the automatic
239          stacktrace mechanism seems to be broken on most systems at the moment)
240        - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
241          a pointer to the launched InstrumentEditor object
242        - added optional 3rd party user data parameter for following
243          liblinuxsampler C++ API methods: InstrumentEditor::Main(),
244          InstrumentEditor::Launch(),
245          InstrumentManager::LaunchInstrumentEditor()
246        - theoretical fix: made SynchronizedConfig follow C++0x memory
247          model more strictly
248        - fixes for using large audio device buffers
249        - Windows: add the installation directory to the DLL search path
250          when loading an editor plugin (solves problems with VST and
251          gigedit on systems with other GTK versions installed)
252    
253      * audio driver:
254        - removed the nonsense audio channel constraint (which was hard coded to
255          max. 100 audio channels) for most audio drivers
256        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
257          opposed to the LSCP specs
258        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
259          reflected the wrong value
260        - fixed a memory management bug in ASIO driver
261        - Makefile fix: JACK_CFLAGS wasn't used
262        - JACK: use jack_client_open instead of the deprecated
263          jack_client_new
264        - added (experimental) CoreAudio driver
265        - applied old fixes to the ASIO driver that were included in the
266          previous binary release but accidentally never committed to CVS
267          (fixes #117)
268        - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
269          win64)
270        - VST: added support for sample rate and buffer size changes
271        - VST: close editor (Fantasia) when the VST is removed
272        - VST: avoid opening Fantasia more than once for each VST instance
273        - VST: export main function as "main" on Linux too (fix for
274          energyXT)
275        - VST: changed number of output channels from one stereo to 16
276          stereo
277        - added channel routing, fxsends and midi maps to the settings
278          stored in the plugin state
279        - performance optimization of AudioChannel::MixTo() and
280          AudioChannel::CopyTo() methods using GCC vector exensions
281          (if available)
282        - ASIO fixes: avoid initializing the device twice, avoid throwing
283          exception when getting parameters from a disconnected device
284    
285      * MIDI driver:
286        - added JACK MIDI driver
287        - dispatch bank select as ordinary CC as well, the user might seriously
288          want to (mis)use it for some purpose ("fixed" in all current MIDI
289          input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
290        - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
291          CoreMidi or AU
292        - fixed mingw-w64 compilation error in MME driver
293        - made program change handling in MIDI thread real-time safe by
294          moving the logic to a non-RT thread
295        - fixed minor memory leak in ALSA driver
296    
297      * instruments database:
298        - avoid time consuming samples scanning when adding instruments
299          to the instruments database
300        - added support for handling lost files in the instruments database
301        - Implemented option for adding instruments in separate directories
302          in the instruments database
303          (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
304        - work-around for missing fnmatch function on Windows to make
305          instrument database compilable
306        - added instrument database support on Windows
307          works with both standalone mode and VST plugin.
308          the instruments DB file is located in
309          %USERPROFILE%\.linuxsampler\instruments.db which allows different
310          databases for each windows user
311          if no DB is present it automatically creates the .linuxsampler subdir
312          and then creates an empty DB
313        - fixed recursive import, which was broken on Windows
314    
315      * Gigasampler format engine:
316        - fixed a memory leak that could happen when a channel was deleted
317          while notes were playing
318        - made it possible to load an instrument even if the audio thread
319          isn't running
320        - added partial support for the "Controller Triggered" MIDI rule,
321          enough for piano gigs with pedal noise samples
322        - minor fix: only mark FX sends as being modified if really the
323          respective FX send MIDI controller was used
324        - added support for GM global device volume SysEx message
325          (can be selected at compile time to either apply globally to the
326          whole sampler [default] or only to the sampler channels that are
327          connected to the respective MIDI input port the SysEx message arrived
328          on)
329        - bugfix: notes triggered at position 0 in the audio buffer were
330          sometimes wrongly killed in the same buffer, causing no sound to
331          be played
332        - added support for chromatic / drumkit mode Roland GS Sysex message
333          which is usally used to switch a part between chromatic sounds and
334          drumkit sounds (as opposed to their common default setting of MIDI
335          part 10 being a drumkit part and all other ones chromatic parts), in
336          LS however one can switch between the first 16 MIDI instrument maps
337          defined for the sampler
338        - made it possible to create multiple sample channels even if the
339          audio thread isn't running
340        - fixed crash when removing channel with active voices (#116)
341        - bugfix: on sample reference changes (instrument editor), only
342          un-cache the respective sample if it's really not used by any
343          sampler engine anymore
344        - re-cache samples in case they were changed by an instrument editor,
345          e.g. when a sample was added while playing (#82)
346        - fixed hanging notes which occured when note-off event had the exact
347          same time stamp as the voice's note-on event and occured both in the
348          same audio fragment cycle (fixes bug #112)
349        - added support for the "fine tune" and "pitch bend range"
350          instrument-level gig parameters
351        - fixed minor artifacts in pitch bend handling
352        - added support for GS Reset SysEx message
353        - allow gig files to use unlimited downward pitch shifting
354        - added a limit check for upward pitch shifting
355        - bugfix: sometimes, when playing a note twice fast, the second
356          note was silent
357        - fixed crash happening when a pitch bend event arrived at the
358          same time a new instrument was loading
359    
360      * LSCP server:
361        - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
362          react on MIDI data arriving on certain sampler channels (so far only
363          Note-On and Note-Off events are sent via this LSCP event)
364        - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
365          react on MIDI data arriving on certain MIDI input devices (so far only
366          Note-On and Note-Off events are sent via this LSCP event)
367        - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
368          SET DB_INSTRUMENT FILE_PATH
369        - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
370          frontends to send MIDI messages to specific sampler channel
371        - added two additional fields to GET FILE INSTRUMENT INFO command -
372          KEY_BINDINGS and KEYSWITCH_BINDINGS
373        - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
374          was incorrect
375        - Optimized the retrieval of the MIDI instrument mappings
376        - added new LSCP command "SET VOICES" to globally alter the maximum
377          amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
378          be triggered respectively
379        - added new LSCP command "SET STREAMS" to globally alter the maximum
380          amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
381          which will be triggered respectively
382        - bugfix: retry if "select" returns EINTR (this fixes a crash when
383          a gigedit file dialog is opened)
384        - close all connections when LSCPServer is deleted
385        - hard close of all sockets on exit
386        - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
387          driver
388    
389      * Bug fixes:
390        - fixed a crash which occurs when removing a sampler channel waiting
391          to start instrument loading after another channel
392        - fixed a crash which occurs when removing a sampler channel with
393          instrument loading in progress (bug #113)
394        - fixed termination caused by uncaught exception when adding MIDI
395          instrument with PERSISTENT load mode
396        - fixed possible iterator invalidations when resetting the sampler
397        - fixed memory leaks when issuing the following LSCP commands:
398          GET AUDIO_OUTPUT_DRIVER INFO
399          GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
400          GET MIDI_INPUT_DRIVER INFO
401          GET MIDI_INPUT_DRIVER_PARAMETER INFO
402        - fixed possible compilation error when sqlite is not present
403        - fixed orphaned pointers when setting maximum voices limit (bug #118)
404        - fixed crash when changing the audio output device of a sampler
405          channel with loaded instrument and start playing notes
406        - fixed endless loop in Engine::SuspendAll() (bug #120)
407        - fixed a low-level atomic load function that was broken on 64-bit
408          PowerPC, which probably could cause crashes on that platform
409        - fixed a memory management error which could cause a crash when a
410          plugin was unloaded
411        - bugfix: two private structs had the same name, which could cause
412          problems if the linker chose the wrong constructor
413        - fixed low-level ConditionServer usage bug that caused lockups on
414          Windows
415    
416    
417    Version 0.5.1 (6 December 2007)
418    
419      * packaging changes:
420        - added autoconf checks for pthread library
421        - added autoconf check for pthread bug found on certain NPTL-enabled
422          glibc versions (see Gentoo bug report #194076)
423        - added autoconf checks for MS Windows
424    
425      * general changes:
426        - bugfix: the thread used by an editor plugin didn't die when the
427          editor closed
428        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
429          out all the space. operator--() did not apply size_mask after
430          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
431          order to avoid problems with the _NonVolatileReader functions.
432        - bugfix: Stream.h: added a missing divide by BytesPerSample in
433          GetWriteSpace(). Since this function is currently only used in
434          the stream's qsort() compare function, it didn't trigger any
435          bugs.
436        - Resampler.h, Synthesizer.h: cubic interpolation now works in
437          24bit mode too. Faster method to read 24bit words on little
438          endian machines (x86): replaced 3 byte reads + shifts with a 1
439          unaligned 32bit read and shift
440        - experimental support for MS Windows (MIDI input via MME, AUDIO
441          output via ASIO)
442        - made handling of SIGINT signal (Ctrl-C) a bit more robust
443        - support for monitoring the total number of active disk streams
444          (new LSCP commands: GET TOTAL_STREAM_COUNT,
445          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
446    
447      * AUDIO driver:
448        - added Windows ASIO low latency audio driver
449    
450      * MIDI driver:
451        - added MME Windows MIDI driver
452    
453      * LSCP server:
454        - added support for Windows style path / filenames, however with
455          forward slash path separators instead of backslash
456          (i.e. "C:/foo/bar.gig")
457        - allow naughty liblscp to send non-string device parameters within
458          apostrophes as well
459        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
460          "LIST FILE INSTRUMENTS <file>" and
461          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
462          about an arbitrary instrument file on the system where the sampler is
463          running on
464    
465    Version 0.5.0 (15 October 2007)
466    
467      * packaging changes:
468        - config.h is not going to be installed along with liblinuxsampler's
469          API header files anymore
470        - only the API relevant header (and source) files will be exported to
471          the Doxygen API documentation (explicitly listed in Doxyfile.in)
472        - added completely new XCode project files for Mac OSX which is now
473          capable to execute our autoconf environment, thus no need anymore
474          to maintain the compile time configuration file (osx/version.h) for
475          OSX manually (patch by Toshi Nagata)
476        - fixed buggy boolean --enable-foo / --disable-foo configure script
477          parameters
478        - global.h now only covers global definitions that are needed for the
479          C++ API header files, all implementation internal global definitions
480          are now in global_private.h
481        - atomic.h is not exposed to the C++ API anymore
482        - no need to include config.h anymore for using LS's API header files
483        - fixed warnings in API doc generation
484    
485      * general changes:
486        - replaced the old, confusing MIDI program change mechanism by a
487          flexible MIDI instrument mapper which allows to map arbitrary
488          (MIDI bank, MIDI program) pairs with arbitrary
489          (engine type, instrument file, file index) triplets which will be
490          loaded on the respective channel when such MIDI program change
491          messages arrive, beside that, each entry allows to define a life-time
492          strategy for the instrument, so the user can define whether the
493          instrument should i.e. be permanently loaded (to be able to switch
494          quickly among sounds) or i.e. loaded just on demand when the
495          respective program change arrives (to safe RAM space), as well as a
496          global volume factor for each entry, so the user can adjust the volume
497          dynamic of his mapped instrument collection without having to modify
498          the instrument files, also one can manage arbitrary amount of such
499          MIDI instrument maps and assign each sampler channel individually
500          a certain map, so that i.e. separation of normal instruments and
501          drumkits is possible
502        - new notification events for tracking changes to audio/MIDI devices,
503          MIDI instrument maps, MIDI instruments, FX sends, global volume.
504        - sampler was limited to load max. 200 instruments in the background
505          due to a constant size RingBuffer FIFO which is now replaced by a
506          dynamic (unlimited) size std::list FIFO
507        - added FX sends, these allow to route audio signals to arbitrary audio
508          output channels for being processed by external effect processors
509          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
510          controllers
511        - global (sampler wide) volume can now be controlled at runtime
512        - Implemented new, improved notification system
513        - fixed compilation errors regarding OSX
514          (patch by Toshi Nagata)
515        - implemented instruments database
516        - added support for escape sequences to the instruments database
517        - added highly experimental support for on-the-fly instrument editing
518          within the sampler's process (by using instrument editor plugins),
519          you'll notice the new "Registered instrument editors:" message on
520          startup, added a new LSCP command:
521          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
522          to spawn a matching instrument editor for the instrument on the
523          given sampler channel, the plugin path can be overridden at compile
524          time with ./configure --enable-plugin-dir=/some/dir
525        - added experimental code for synchronizing instrument editors hosted
526          in the sampler's process to safely edit instruments while playing
527          without a crash (hopefully) by either suspending single regions
528          wherever possible or if unavoidable whole engine(s)
529        - fixed several issues in fundamental "Thread" class: set scheduling
530          policy and priority on thread level, set a minimum stack size for
531          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
532          threads simply inherited properties of starting thread instead of
533          setting their own policy and priority
534        - minor fix in our automatic stack trace mechanism on crashes, the
535          main process did not wait for the stack trace process to finish
536          its output
537        - fixed some minor memory leaks
538        - reenabled assembly features support, at the moment only for
539          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
540        - minor assembly fix in x86 features detection (don't use the PIC
541          register, to avoid relocations in the text segment at runtime)
542        - POSIX callback functions of Thread.h are hidden
543    
544      * MIDI driver:
545        - dispatch bank select (MSB and LSB) messages
546    
547      * audio driver:
548        - the ALSA audio output driver parameters now reflect the correct
549          parameter value ranges for the respective selected sound card
550          (patch by Till Wimmer, a bit fixed and extended)
551    
552      * Gigasampler format engine:
553        - if a filter is used and EG2 finishes before EG1, let the voice
554          die when EG2 has finished (this fixes a problem with clicks and
555          voice starvation for some gigs)
556        - playback is no longer disabled during instrument loading
557        - all notes playing on a channel that changes its instrument keep
558          playing with the old instrument until they get a note off
559          command
560        - EG fix: a release value of zero could cause noises or crash
561        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
562        - EG fine tuning: when attack is zero the EG starts at a level
563          above max sustain level, which means that there is a decay phase
564          even if sustain is 100%
565        - more EG fixes: the level could sometimes go below zero and cause
566          noises or crashes
567        - minor fix of EGDecay (patch by Toshi Nagata)
568        - fixed compiler error when --enable-override-filter-type was
569          supplied to the configure script (fixes #46)
570        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
571          instead of a fix value
572        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
573          127 (solo mode) only kill voices if the respective mode really
574          changed
575    
576      * LSCP server:
577        - fixed compile time error for old Bison versions
578          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
579        - parser now supports extended ASCII character set
580          (up to ASCII code 255, i.e. includes now umlauts and accents)
581        - filename arguments in LSCP commands now allow to use escape
582          sequences, that is directly literal as one of: \', \", \\, \n, \r,
583          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
584          code value like \xf2) (fixes bug #24)
585        - the following LSCP commands now also support escape sequences for at
586          least one of their text-based parameters (i.e. name, description):
587          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
588          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
589          "SET DB_INSTRUMENT_DIRECTORY NAME",
590          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
591          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
592          "FIND DB_INSTRUMENT_DIRECTORIES"
593        - returns verbose syntax errors (line and column where syntax error
594          occured, the unexpected character and the actually expected, possible
595          character(s), the latter only if less than 5 possibilities)
596        - made sure that LSCP syntax is not affected by gigedit locale
597          settings
598        - bugfix regarding strings parameter lists: all comma separated lists
599          of strings were treated as being one string containing commas
600          (fixes #57)
601    
602      * Bug fixes:
603        - fixed crash occurring on certain LSCP scripts (Bug 39)
604        - another thread safety fix for lscp "load engine" and "set
605          channel audio output device"
606        - fixed a crash which occurs when reassigning the same engine
607          on a sampler channel with connected MIDI device
608        - fixed a crash which occurs when changing the number of ports of a MIDI
609          device connected to a sampler channel to number less then or equal
610          to the index of the port to which the sampler channel is connected.
611        - The previous bindings were not been disconnected when altering
612          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
613          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
614        - The active stream/voice count statistic was incorrect.
615        - notification events were not been sent for some sampler
616          channel changes
617        - added default min and max values to restrict the number of allowed
618          audio output channels and MIDI input ports
619        - the connection to the PCM interface is now closed when destroying
620          an audio output device
621        - files with slash in their path or filename could not be loaded
622    
623      * test cases:
624        - updated and fixed (haven't been touched in a while)
625    
626    Version 0.4.0 (24 November 2006)
627    
628    * packaging changes:    * packaging changes:
629        - changed deprecated copyright attribute to license; added ldconfig
630          to post-(un)install steps; added devel package for liblinuxsampler;
631          to linuxsampler.spec (RPM)
632      - install necessary development header files for allowing 3rd party      - install necessary development header files for allowing 3rd party
633        applications to link against liblinuxsampler        applications to link against liblinuxsampler
634      - 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 640  Version CVS HEAD (?)
640        configure script argument though (mandatory for cross-compilation)        configure script argument though (mandatory for cross-compilation)
641      - do not automatically pick optimized gcc flags if the user already      - do not automatically pick optimized gcc flags if the user already
642        provided some on his own (as CXXFLAGS)        provided some on his own (as CXXFLAGS)
643        - added compile time option to disable processing of All-Notes-Off MIDI
644          messages
645        - added compile time options to allow disabling the various audio and
646          MIDI drivers
647        - fixed automatic GCC CPU switch detection on PPC
648          (patch by Ebrahim Mayat)
649    
650    * Gigasampler format engine:    * Gigasampler format engine:
651      - extensive synthesis optimization      - extensive synthesis optimization
# Line 27  Version CVS HEAD (?) Line 661  Version CVS HEAD (?)
661        controller is defined), Control invert, Minimum cutoff, Velocity        controller is defined), Control invert, Minimum cutoff, Velocity
662        curve and Velocity range. The keyboard tracking now scales        curve and Velocity range. The keyboard tracking now scales
663        cutoff frequency instead of resonance.        cutoff frequency instead of resonance.
664      - 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.  
665      - fixed bug in sysex handling (patch by Juan Linietsky)      - fixed bug in sysex handling (patch by Juan Linietsky)
666      - added global volume attenuation of -9 dB (0.35f) to prevent clipping      - added global volume attenuation of -9 dB (0.35f) to prevent clipping
667        which can be overridden with --enable-global-attenuation        which can be overridden with --enable-global-attenuation
# Line 44  Version CVS HEAD (?) Line 675  Version CVS HEAD (?)
675        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
676        altering portamento time, CC65 for enabling / disabling portamento        altering portamento time, CC65 for enabling / disabling portamento
677        mode, CC126 for enabling solo mode and CC127 for disabling solo mode        mode, CC126 for enabling solo mode and CC127 for disabling solo mode
678      - 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
679        parameter)        parameter) and crossfade
680      - added support for the "attenuation controller threshold" gig      - added support for the "attenuation controller threshold" gig
681        parameter        parameter
682        - added smoothing of volume changes caused by control change
683          messages
684        - sample loop parameters are now taken from the DimensionRegion
685          instead of the wave chunk
686        - fixed keyswitching for v3 gigs with a number of keyswitch splits
687          not equal to a power of two
688        - reimplementation of the filter algorithm. The new filter is more
689          accurate and supports all gig filter types, including bandreject
690          and lowpass turbo.
691        - real support for 24 bit samples - samples are not truncated to
692          16 bits anymore
693        - support for aftertouch (channel pressure, not polyphonic
694          aftertouch)
695        - LFO1 behaviour fixed (dampening from max volume instead of
696          amplifying from 0)
697    
698    * LSCP server:    * LSCP server:
699      - 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 702  Version CVS HEAD (?)
702      - fixed parser bug which occured on space(s) within device parameters      - fixed parser bug which occured on space(s) within device parameters
703        (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")        (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
704    
705      * audio driver:
706        - added aRts audio output driver (by no means RT safe)
707    
708    * MIDI driver:    * MIDI driver:
709      - fixed legacy sysex code which caused dispatching of MIDI SysEx      - fixed legacy sysex code which caused dispatching of MIDI SysEx
710        messages several times instead of once        messages several times instead of once
711        - API extension for MIDI drivers which already supply exact time stamps
712          for events (i.e. for offline rendering based MIDI drivers)
713        - added checks for bad MIDI data
714    
715      * linuxsampler application:
716        - show available sampler engine types on startup
717    
718    * general changes:    * general changes:
719      - 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 727  Version CVS HEAD (?)
727      - support for monitoring the total number of active voices      - support for monitoring the total number of active voices
728        (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,        (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
729        SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)        SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
730        - fixed some memory management errors
731        - fixed some concurrency problems that could lead to crashes when
732          LSCP commands were executed
733        - fixed crash when instrument loading failed previously on the same
734          sampler channel (fixes bug #36)
735    
736  Version 0.3.3 (15 July 2005)  Version 0.3.3 (15 July 2005)
737    

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