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Revision 2201 - (hide annotations) (download)
Thu Jul 7 19:19:09 2011 UTC (8 years, 5 months ago) by iliev
File size: 40092 byte(s)
* Fixed possible crashes due to corrupted MIDI/audio device list
  after MIDI/audio device creation failure

1 schoenebeck 1993 Version CVS HEAD (?)
2    
3 capela 2174 * plugin changes:
4     - LV2 Persist + Files support (patch by David Robillard)
5    
6 persson 2086 * packaging changes:
7     - fixed building with newer MinGW-w64
8 persson 2183 - 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 persson 2185 - fixed compilation with gcc 4.6.1
14     - another "make dist" fix, for LV2 plugin
15     - made --enable-pthread-testcancel default on Mac OS X
16 persson 2197 - minor Makefile fix for building lscpparser when build and source
17     directories are separate
18 persson 2086
19     * general changes:
20 iliev 2012 - Refactoring: moved the independent code from
21     the Gigasampler format engine to base classes
22 schoenebeck 2047 - command line option '--profile' is currently disabled, since the
23     respective profiling code is currently broken
24 schoenebeck 2053 - Introduced support for optional environment variable
25     "LINUXSAMPLER_PLUGIN_DIR" which allows to override the directory
26     where the sampler shall look for instrument editor plugins
27     (patch by Luis Garrido, slightly modified).
28 schoenebeck 2121 - implemented Roland GS NRPN 1ArrH which allows to set volume per note
29     - implemented Roland GS NRPN 1CrrH which allows to set pan per note
30     - implemented Roland GS NRPN 1DrrH which allows to set reverb send per
31     note (in this implementation of the sampler its simply hard routed to
32     the 1st effect send of the sampler channel, no matter what the actual
33     effect type is)
34     - implemented Roland GS NRPN 1ErrH which allows to set chorus send per
35     note (in this implementation of the sampler its simply hard routed to
36     the 2nd effect send of the sampler channel, no matter what the actual
37     effect type is)
38 schoenebeck 2124 - implemented support for internal LADSPA effects
39 schoenebeck 2140 - raised limit of program change queue from 100 to 512
40     (as suggested by Alex Stone)
41 iliev 2012
42 persson 2043 * Gigasampler format engine:
43     - implemented the "round robin keyboard" dimension
44     - fixed round robin and random dimensions for cases when number of
45     dimension zones is not a power of two
46     - made round robin use a counter for each region instead of each
47     key
48    
49 schoenebeck 2047 * SFZ format engine:
50 iliev 2012 - Initial implementation (not usable yet)
51 persson 2055 - added support for v2 multiple stage envelope generators
52     - added a fine-tuned v1 envelope generator instead of using the
53     one from the gig engine
54 persson 2058 - fixed memory leak and memory handling errors
55 persson 2061 - added support for trigger=first, trigger=legato and sw_previous
56 persson 2058 - allow non-numerical key values ("C#4" for example)
57     - "key" opcode now sets pitch_keycenter too
58     - fixed error when unloading instrument with same sample used by
59     multiple regions
60     - added some opcode aliases, like loopmode for loop_mode, to be
61     more compatible
62 persson 2061 - added support for trigger=release and rt_decay
63 persson 2063 - added support for off_mode=normal
64 persson 2072 - added support for random, seq_position, seq_length and volume
65     - added v1 LFO opcodes to parser (no support in engine yet)
66 persson 2082 - added support for amp_veltrack and amp_velcurve_N
67     - fine-tuned the default velocity curve
68 persson 2086 - added support for transpose
69     - fixed crash when using sw_down/up
70     - improved logic for sw_lokey/hikey/up/down/last
71     - added more v1 aliases to parser
72 persson 2091 - reduced memory usage for sfz data
73 persson 2101 - RT-safeness: avoid malloc in audio thread
74     - fixed a bug that could cause voice stealing to fail
75 persson 2106 - optimized sample lookup
76 persson 2114 - improved support for exclusive groups (group, off_by and
77     off_mode)
78 persson 2115 - added support for controller triggered regions (on_locc/on_hicc)
79     - added support for loop_mode=one_shot
80 persson 2119 - fixed playback of 16 bit wav files on big endian CPUs
81     - added support for Ogg Vorbis sample files
82 persson 2167 - use loop markers from sample file if loop_start and loop_end are
83     not set in sfz file
84 persson 2175 - implemeted filters. Filter types: lowpass, bandpass, bandreject
85     and highpass. 1, 2, 4 and 6 pole filters. Opcodes: fil_type,
86     cutoff, resonance, fil_veltrack, fil_keytrack, fil_keycenter,
87     cutoff_cc, cutoff_chanaft.
88     - bugfix: zero ampeg_sustain didn't work
89 persson 2176 - added support for velocity effect on amplifier envelope time
90     (ampeg_vel2attack, ampeg_vel2decay, ampeg_vel2sustain and
91     ampeg_vel2release)
92 iliev 2012
93 schoenebeck 2047 * SoundFont format engine:
94 iliev 2012 - Initial implementation (not usable yet)
95 persson 2101 - RT-safeness: avoid malloc in audio thread
96     - fixed a bug that could cause voice stealing to fail
97 iliev 2012
98 persson 2175 * Gigasampler format engine:
99     - bugfix: pitch LFO controller "internal+aftertouch" was broken
100     - bugfix: filter keyboard tracking was broken
101     - filter performance fix (an unnecessary copy was made of the
102     filter parameters in each sub fragment)
103    
104 iliev 2012 * Host plugins:
105 schoenebeck 1993 - AU bugfix: failed to destroy its audio/MIDI devices
106 iliev 1994 - Listen to all interfaces on Mac OS X (INADDR_ANY)
107 persson 2045 - VST bugfix: If the host called resume() before and after
108     changing sample rate or block size, the number of channels was
109     incorrectly set to two. This caused silence in Cubase 5.
110 persson 2165 - save engine type (gig, sfz or sf2) in plugin state
111     - VST: when opening Fantasia, look for both 32 and 64 bit Java on
112     64 bit Windows
113 persson 2197 - AU: changed number of output channels from one stereo to 16
114     stereo
115     - VST: made it possible to build the VST plugin for Mac
116     - AU: link AU plugin dynamically if --disable-shared isn't
117     specified
118    
119 schoenebeck 1993 * MIDI driver:
120     - ALSA MIDI driver supports now "NAME" device parameter, for overriding
121     the ALSA sequencer client name
122 schoenebeck 2140 - removed limit of maximum amount of MIDI ports per MIDI device, since
123     there is no reason for this limit
124 schoenebeck 1993
125 persson 2175 * audio driver:
126     - ASIO driver fixes for newer gcc versions (fix from PortAudio)
127    
128 schoenebeck 2024 * LSCP server:
129     - added support for sending MIDI CC messages via LSCP command
130     "SEND CHANNEL MIDI_DATA CC <sampler-chan> <ctrl> <val>"
131 schoenebeck 2135 - added LSCP command "GET AVAILABLE_EFFECTS"
132     - added LSCP command "LIST AVAILABLE_EFFECTS"
133     - added LSCP command "GET EFFECT INFO <effect-index>"
134     - added LSCP command "CREATE EFFECT_INSTANCE <effect-index>"
135     - added LSCP command
136     "CREATE EFFECT_INSTANCE <effect-system> <module> <effect-name>"
137     - added LSCP command "DESTROY EFFECT_INSTANCE <effect-instance>"
138     - added LSCP command "GET EFFECT_INSTANCES"
139     - added LSCP command "LIST EFFECT_INSTANCES"
140     - added LSCP command "GET EFFECT_INSTANCE INFO <effect-instance>"
141     - added LSCP command
142     "GET EFFECT_INSTANCE_INPUT_CONTROL INFO <effect-instance> <input-control>"
143 schoenebeck 2137 - added LSCP command "SET EFFECT_INSTANCE_INPUT_CONTROL VALUE
144     <effect-instance> <input-control> <value>"
145     - added LSCP command "GET SEND_EFFECT_CHAINS <audio-device>"
146     - added LSCP command "LIST SEND_EFFECT_CHAINS <audio-device>"
147     - added LSCP command "ADD SEND_EFFECT_CHAIN <audio-device>"
148 schoenebeck 2135 - added LSCP command
149 schoenebeck 2137 "REMOVE SEND_EFFECT_CHAIN <audio-device> <effect-chain>"
150 schoenebeck 2135 - added LSCP command
151 schoenebeck 2137 "GET SEND_EFFECT_CHAIN INFO <audio-device> <effect-chain>"
152     - added LSCP command "APPEND SEND_EFFECT_CHAIN EFFECT <audio-device>
153 schoenebeck 2135 <effect-chain> <effect-instance>"
154 schoenebeck 2137 - added LSCP command "INSERT SEND_EFFECT_CHAIN EFFECT <audio-device>
155     <effect-chain> <effect-chain-pos> <effect-instance>"
156     - added LSCP command "REMOVE SEND_EFFECT_CHAIN EFFECT <audio-device>
157 schoenebeck 2138 <effect-chain> <chain-pos>"
158 schoenebeck 2140 - added LSCP command "SET FX_SEND EFFECT <sampler_channel>
159 schoenebeck 2137 <fx_send_id> <effect_chain> <chain_pos>"
160 schoenebeck 2140 - added LSCP command "REMOVE FX_SEND EFFECT <sampler_channel> <fx_send_id>"
161 iliev 2188 - added LSCP commands "SUBSCRIBE EFFECT_INSTANCE_COUNT",
162     "SUBSCRIBE EFFECT_INSTANCE_INFO", "SUBSCRIBE SEND_EFFECT_CHAIN_COUNT",
163     "SUBSCRIBE SEND_EFFECT_CHAIN_INFO"
164 schoenebeck 2024
165 iliev 2012 * Bug fixes:
166     - Fixed crash which may occur when MIDI key + transpose is out of range
167 persson 2114 - minor valgrind fixes
168 iliev 2201 - fixed crash which occurred when changing an already deployed sampler
169 schoenebeck 2123 channel to a different engine type
170 persson 2127 - fixed crash when deleting a sampler channel or changing engine
171     type while an instrument load was in progress
172 persson 2162 - bugfix: playing a note while changing the instrument could cause
173     a crash, or give "Handing back unknown region" error messages
174 persson 2165 - bugfix: calling SET VOICES (which Fantasia does on start and
175     refresh) could cause instruments to be unloaded
176 persson 2183 - Mac OS X: fixed name collision of enum in EffectControl and
177     wrong name of destructor in AudioOutputDeviceCoreAudio.cpp
178 persson 2185 - Mac OS X: fixed hanging threads
179 persson 2187 - Windows: disabled the previous thread fix on non-Mac systems, as
180     it caused hanging threads on Windows
181 iliev 2201 - Fixed possible crashes due to corrupted MIDI/audio device list
182     after MIDI/audio device creation failure
183 iliev 2012
184 persson 1957 Version 1.0.0 (31 July 2009)
185 schoenebeck 1599
186 schoenebeck 1639 * packaging changes:
187     - autoconf bugfix: the PKG_CONFIG variable wasn't initialized properly,
188     causing e.g. the libgig test to fail when
189     "./configure --disable-jack-driver" was used
190     (patch by Alexis Ballier)
191 persson 1713 - fixed compilation with gcc 4.3
192 persson 1792 - fixes for building on OS X (thanks to Ebrahim Mayat for testing)
193 persson 1794 - fixed configure so it detects x86_64 (#107)
194 persson 1808 - fixes for building with newer MinGW versions
195     - fix for building with bison 2.4 (#111)
196 persson 1842 - fixed building with libgig installed in a non-standard directory
197 persson 1895 - minor fix in configure for mmsystem.h detection on MinGW
198 persson 1897 - Windows: look for editor plugins and Fantasia using base
199 schoenebeck 1928 directory of liblinuxsampler dll (look in the same directory and one
200     directory above)
201 persson 1899 - configure script fix: removed unconditional use of SSE
202 persson 1923 - fixed building with sqlite installed in a non-standard directory
203 persson 1931 - when cross-compiling, don't try to create instruments.db
204     - fix for new mingw-w64 version, which has usleep
205 schoenebeck 1639
206 schoenebeck 1601 * general changes:
207     - bugfix: on some POSIX systems instrument editor plugins refused to
208     load as we used a non-portable Linux specific struct field
209     (fixes bug #70, patch by Ronald Baljeu)
210 schoenebeck 1602 - fixed endless loop which occured when loading an instrument editor
211     plugin DLL on Windows systems failed
212 persson 1644 - fixed memory leaks that occurred when liblinuxsampler was unloaded
213     - optimized the SynchronizedConfig class so it doesn't wait
214     unnecessarily long after an update
215 schoenebeck 1653 - added support for notifying instrument editors on note-on / note-off
216     events (e.g. to highlight the pressed keys on the virtual keyboard
217     of gigedit)
218 schoenebeck 1659 - added support for triggering notes by instrument editors (see above)
219 schoenebeck 1653 - be verbose on DLL load errors (on Linux)
220 schoenebeck 1681 - fixed di-harmonic triangle LFO implementation (this LFO implementation
221     is only used by very few systems, most pick the int math
222     implementation, which is usually faster)
223 persson 1748 - fixes for audio drivers with varying buffer sizes
224 persson 1777 - experimental support for running LinuxSampler as a DSSI, LV2 and
225     VST plugin
226 iliev 1789 - notification events for stream/voice count statistics are now sent
227     only when there are actual changes
228 persson 1790 - added memory ordering constraints to improve stability on
229     multi-core and multi-cpu systems
230 schoenebeck 1800 - maximum voices and disk streams can now be altered at runtime
231 persson 1825 - fixed CPU feature detection on x86_64 (maybe fixes #108)
232 schoenebeck 1830 - automatic stacktrace mechanism is now turned off by default and can
233     be switched on by command line option "--stacktrace" (the automatic
234     stacktrace mechanism seems to be broken on most systems at the moment)
235 schoenebeck 1868 - C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
236     a pointer to the launched InstrumentEditor object
237 schoenebeck 1876 - added optional 3rd party user data parameter for following
238     liblinuxsampler C++ API methods: InstrumentEditor::Main(),
239     InstrumentEditor::Launch(),
240     InstrumentManager::LaunchInstrumentEditor()
241 persson 1887 - theoretical fix: made SynchronizedConfig follow C++0x memory
242     model more strictly
243 persson 1895 - fixes for using large audio device buffers
244 persson 1951 - Windows: add the installation directory to the DLL search path
245     when loading an editor plugin (solves problems with VST and
246     gigedit on systems with other GTK versions installed)
247 schoenebeck 1601
248 schoenebeck 1599 * audio driver:
249     - removed the nonsense audio channel constraint (which was hard coded to
250     max. 100 audio channels) for most audio drivers
251 schoenebeck 1604 - JACK audio driver did not offer a device parameter "SAMPLERATE" as
252     opposed to the LSCP specs
253 schoenebeck 1607 - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
254     reflected the wrong value
255 persson 1644 - fixed a memory management bug in ASIO driver
256 persson 1748 - Makefile fix: JACK_CFLAGS wasn't used
257 persson 1777 - JACK: use jack_client_open instead of the deprecated
258 persson 1748 jack_client_new
259 iliev 1829 - added (experimental) CoreAudio driver
260 persson 1888 - applied old fixes to the ASIO driver that were included in the
261     previous binary release but accidentally never committed to CVS
262     (fixes #117)
263 persson 1889 - fixes for ASIO on mingw-w64 (iasio wrapper is not needed on
264     win64)
265 persson 1895 - VST: added support for sample rate and buffer size changes
266     - VST: close editor (Fantasia) when the VST is removed
267 persson 1908 - VST: avoid opening Fantasia more than once for each VST instance
268     - VST: export main function as "main" on Linux too (fix for
269     energyXT)
270 persson 1917 - VST: changed number of output channels from one stereo to 16
271     stereo
272 persson 1922 - added channel routing, fxsends and midi maps to the settings
273     stored in the plugin state
274 schoenebeck 1930 - performance optimization of AudioChannel::MixTo() and
275     AudioChannel::CopyTo() methods using GCC vector exensions
276     (if available)
277 persson 1951 - ASIO fixes: avoid initializing the device twice, avoid throwing
278     exception when getting parameters from a disconnected device
279 schoenebeck 1599
280 persson 1651 * MIDI driver:
281     - added JACK MIDI driver
282 schoenebeck 1715 - dispatch bank select as ordinary CC as well, the user might seriously
283     want to (mis)use it for some purpose ("fixed" in all current MIDI
284     input drivers: ALSA, CoreMIDI, JACK, MidiShare, MME)
285 persson 1889 - bugfix: pitch bend wasn't working with JackMidi, VST, LV2, MME,
286 persson 1887 CoreMidi or AU
287 persson 1889 - fixed mingw-w64 compilation error in MME driver
288 persson 1924 - made program change handling in MIDI thread real-time safe by
289     moving the logic to a non-RT thread
290 persson 1951 - fixed minor memory leak in ALSA driver
291 persson 1651
292 schoenebeck 1604 * instruments database:
293 iliev 1603 - avoid time consuming samples scanning when adding instruments
294     to the instruments database
295 iliev 1727 - added support for handling lost files in the instruments database
296 iliev 1781 - Implemented option for adding instruments in separate directories
297     in the instruments database
298     (patch by Chris Cherrett & Andrew Williams, a bit adjusted)
299 persson 1908 - work-around for missing fnmatch function on Windows to make
300     instrument database compilable
301 schoenebeck 1930 - added instrument database support on Windows
302     works with both standalone mode and VST plugin.
303     the instruments DB file is located in
304     %USERPROFILE%\.linuxsampler\instruments.db which allows different
305     databases for each windows user
306     if no DB is present it automatically creates the .linuxsampler subdir
307     and then creates an empty DB
308 persson 1943 - fixed recursive import, which was broken on Windows
309 iliev 1603
310 persson 1644 * Gigasampler format engine:
311     - fixed a memory leak that could happen when a channel was deleted
312     while notes were playing
313 persson 1646 - made it possible to load an instrument even if the audio thread
314     isn't running
315 persson 1701 - added partial support for the "Controller Triggered" MIDI rule,
316     enough for piano gigs with pedal noise samples
317 schoenebeck 1715 - minor fix: only mark FX sends as being modified if really the
318     respective FX send MIDI controller was used
319 schoenebeck 1724 - added support for GM global device volume SysEx message
320 schoenebeck 1762 (can be selected at compile time to either apply globally to the
321     whole sampler [default] or only to the sampler channels that are
322     connected to the respective MIDI input port the SysEx message arrived
323     on)
324 persson 1748 - bugfix: notes triggered at position 0 in the audio buffer were
325     sometimes wrongly killed in the same buffer, causing no sound to
326     be played
327 schoenebeck 1750 - added support for chromatic / drumkit mode Roland GS Sysex message
328     which is usally used to switch a part between chromatic sounds and
329     drumkit sounds (as opposed to their common default setting of MIDI
330     part 10 being a drumkit part and all other ones chromatic parts), in
331     LS however one can switch between the first 16 MIDI instrument maps
332     defined for the sampler
333 persson 1764 - made it possible to create multiple sample channels even if the
334     audio thread isn't running
335 persson 1844 - fixed crash when removing channel with active voices (#116)
336 schoenebeck 1852 - bugfix: on sample reference changes (instrument editor), only
337     un-cache the respective sample if it's really not used by any
338     sampler engine anymore
339     - re-cache samples in case they were changed by an instrument editor,
340     e.g. when a sample was added while playing (#82)
341 schoenebeck 1857 - fixed hanging notes which occured when note-off event had the exact
342     same time stamp as the voice's note-on event and occured both in the
343     same audio fragment cycle (fixes bug #112)
344 persson 1858 - added support for the "fine tune" and "pitch bend range"
345     instrument-level gig parameters
346     - fixed minor artifacts in pitch bend handling
347 schoenebeck 1860 - added support for GS Reset SysEx message
348 persson 1862 - allow gig files to use unlimited downward pitch shifting
349     - added a limit check for upward pitch shifting
350 persson 1906 - bugfix: sometimes, when playing a note twice fast, the second
351     note was silent
352 persson 1923 - fixed crash happening when a pitch bend event arrived at the
353     same time a new instrument was loading
354 persson 1644
355 schoenebeck 1687 * LSCP server:
356     - added new LSCP event "CHANNEL_MIDI" which can be used by frontends to
357     react on MIDI data arriving on certain sampler channels (so far only
358     Note-On and Note-Off events are sent via this LSCP event)
359 schoenebeck 1695 - added new LSCP event "DEVICE_MIDI" which can be used by frontends to
360     react on MIDI data arriving on certain MIDI input devices (so far only
361     Note-On and Note-Off events are sent via this LSCP event)
362 iliev 1727 - added new LSCP commands: FIND LOST DB_INSTRUMENT_FILES and
363     SET DB_INSTRUMENT FILE_PATH
364 iliev 1771 - added new LSCP command: SEND CHANNEL MIDI_DATA which can be used by
365     frontends to send MIDI messages to specific sampler channel
366     - added two additional fields to GET FILE INSTRUMENT INFO command -
367     KEY_BINDINGS and KEYSWITCH_BINDINGS
368 iliev 1754 - bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
369     was incorrect
370 iliev 1763 - Optimized the retrieval of the MIDI instrument mappings
371 schoenebeck 1800 - added new LSCP command "SET VOICES" to globally alter the maximum
372     amount of voices, added new LSCP event "GLOBAL_INFO:VOICES" which will
373     be triggered respectively
374     - added new LSCP command "SET STREAMS" to globally alter the maximum
375     amount of disk streams, added new LSCP event "GLOBAL_INFO:STREAMS"
376     which will be triggered respectively
377 persson 1808 - bugfix: retry if "select" returns EINTR (this fixes a crash when
378     a gigedit file dialog is opened)
379 iliev 1848 - close all connections when LSCPServer is deleted
380 iliev 1882 - hard close of all sockets on exit
381 persson 1897 - bugfix: SET CHANNEL MIDI_INPUT_TYPE didn't work with the MME
382     driver
383 schoenebeck 1687
384 iliev 1761 * Bug fixes:
385     - fixed a crash which occurs when removing a sampler channel waiting
386     to start instrument loading after another channel
387 iliev 1826 - fixed a crash which occurs when removing a sampler channel with
388     instrument loading in progress (bug #113)
389 iliev 1827 - fixed termination caused by uncaught exception when adding MIDI
390     instrument with PERSISTENT load mode
391 iliev 1835 - fixed possible iterator invalidations when resetting the sampler
392     - fixed memory leaks when issuing the following LSCP commands:
393     GET AUDIO_OUTPUT_DRIVER INFO
394     GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO
395     GET MIDI_INPUT_DRIVER INFO
396     GET MIDI_INPUT_DRIVER_PARAMETER INFO
397     - fixed possible compilation error when sqlite is not present
398 iliev 1843 - fixed orphaned pointers when setting maximum voices limit (bug #118)
399 iliev 1847 - fixed crash when changing the audio output device of a sampler
400     channel with loaded instrument and start playing notes
401 iliev 1855 - fixed endless loop in Engine::SuspendAll() (bug #120)
402 persson 1870 - fixed a low-level atomic load function that was broken on 64-bit
403     PowerPC, which probably could cause crashes on that platform
404 persson 1889 - fixed a memory management error which could cause a crash when a
405     plugin was unloaded
406 persson 1896 - bugfix: two private structs had the same name, which could cause
407     problems if the linker chose the wrong constructor
408 persson 1933 - fixed low-level ConditionServer usage bug that caused lockups on
409     Windows
410 iliev 1761
411    
412 schoenebeck 1560 Version 0.5.1 (6 December 2007)
413 schoenebeck 1454
414     * packaging changes:
415     - added autoconf checks for pthread library
416     - added autoconf check for pthread bug found on certain NPTL-enabled
417     glibc versions (see Gentoo bug report #194076)
418 senoner 1502 - added autoconf checks for MS Windows
419 schoenebeck 1454
420 persson 1455 * general changes:
421     - bugfix: the thread used by an editor plugin didn't die when the
422     editor closed
423 persson 1534 - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
424     out all the space. operator--() did not apply size_mask after
425     decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
426     order to avoid problems with the _NonVolatileReader functions.
427     - bugfix: Stream.h: added a missing divide by BytesPerSample in
428     GetWriteSpace(). Since this function is currently only used in
429     the stream's qsort() compare function, it didn't trigger any
430     bugs.
431     - Resampler.h, Synthesizer.h: cubic interpolation now works in
432     24bit mode too. Faster method to read 24bit words on little
433     endian machines (x86): replaced 3 byte reads + shifts with a 1
434     unaligned 32bit read and shift
435     - experimental support for MS Windows (MIDI input via MME, AUDIO
436     output via ASIO)
437     - made handling of SIGINT signal (Ctrl-C) a bit more robust
438 iliev 1541 - support for monitoring the total number of active disk streams
439     (new LSCP commands: GET TOTAL_STREAM_COUNT,
440     SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
441 persson 1455
442 senoner 1500 * AUDIO driver:
443 persson 1534 - added Windows ASIO low latency audio driver
444 senoner 1500
445 senoner 1485 * MIDI driver:
446 schoenebeck 1495 - added MME Windows MIDI driver
447 senoner 1485
448 schoenebeck 1471 * LSCP server:
449     - added support for Windows style path / filenames, however with
450     forward slash path separators instead of backslash
451     (i.e. "C:/foo/bar.gig")
452 schoenebeck 1495 - allow naughty liblscp to send non-string device parameters within
453     apostrophes as well
454 schoenebeck 1525 - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
455     "LIST FILE INSTRUMENTS <file>" and
456     "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
457     about an arbitrary instrument file on the system where the sampler is
458     running on
459 schoenebeck 1471
460 schoenebeck 1424 Version 0.5.0 (15 October 2007)
461 schoenebeck 947
462 schoenebeck 1065 * packaging changes:
463 schoenebeck 1212 - config.h is not going to be installed along with liblinuxsampler's
464     API header files anymore
465 schoenebeck 1065 - only the API relevant header (and source) files will be exported to
466     the Doxygen API documentation (explicitly listed in Doxyfile.in)
467 schoenebeck 1175 - added completely new XCode project files for Mac OSX which is now
468     capable to execute our autoconf environment, thus no need anymore
469     to maintain the compile time configuration file (osx/version.h) for
470     OSX manually (patch by Toshi Nagata)
471 schoenebeck 1360 - fixed buggy boolean --enable-foo / --disable-foo configure script
472     parameters
473 schoenebeck 1424 - global.h now only covers global definitions that are needed for the
474     C++ API header files, all implementation internal global definitions
475     are now in global_private.h
476     - atomic.h is not exposed to the C++ API anymore
477     - no need to include config.h anymore for using LS's API header files
478     - fixed warnings in API doc generation
479 schoenebeck 1065
480 schoenebeck 947 * general changes:
481     - replaced the old, confusing MIDI program change mechanism by a
482     flexible MIDI instrument mapper which allows to map arbitrary
483 schoenebeck 973 (MIDI bank, MIDI program) pairs with arbitrary
484 schoenebeck 947 (engine type, instrument file, file index) triplets which will be
485     loaded on the respective channel when such MIDI program change
486     messages arrive, beside that, each entry allows to define a life-time
487     strategy for the instrument, so the user can define whether the
488     instrument should i.e. be permanently loaded (to be able to switch
489     quickly among sounds) or i.e. loaded just on demand when the
490     respective program change arrives (to safe RAM space), as well as a
491     global volume factor for each entry, so the user can adjust the volume
492     dynamic of his mapped instrument collection without having to modify
493 schoenebeck 973 the instrument files, also one can manage arbitrary amount of such
494     MIDI instrument maps and assign each sampler channel individually
495     a certain map, so that i.e. separation of normal instruments and
496     drumkits is possible
497 iliev 1108 - new notification events for tracking changes to audio/MIDI devices,
498     MIDI instrument maps, MIDI instruments, FX sends, global volume.
499 schoenebeck 990 - sampler was limited to load max. 200 instruments in the background
500     due to a constant size RingBuffer FIFO which is now replaced by a
501     dynamic (unlimited) size std::list FIFO
502 schoenebeck 1001 - added FX sends, these allow to route audio signals to arbitrary audio
503     output channels for being processed by external effect processors
504     (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
505     controllers
506 schoenebeck 1005 - global (sampler wide) volume can now be controlled at runtime
507 iliev 1130 - Implemented new, improved notification system
508 schoenebeck 1149 - fixed compilation errors regarding OSX
509     (patch by Toshi Nagata)
510 iliev 1161 - implemented instruments database
511 iliev 1345 - added support for escape sequences to the instruments database
512 schoenebeck 1212 - added highly experimental support for on-the-fly instrument editing
513     within the sampler's process (by using instrument editor plugins),
514     you'll notice the new "Registered instrument editors:" message on
515 schoenebeck 1407 startup, added a new LSCP command:
516     "EDIT CHANNEL INSTRUMENT <sampler-channel>"
517 schoenebeck 1212 to spawn a matching instrument editor for the instrument on the
518     given sampler channel, the plugin path can be overridden at compile
519     time with ./configure --enable-plugin-dir=/some/dir
520 schoenebeck 1321 - added experimental code for synchronizing instrument editors hosted
521     in the sampler's process to safely edit instruments while playing
522     without a crash (hopefully) by either suspending single regions
523     wherever possible or if unavoidable whole engine(s)
524 schoenebeck 1221 - fixed several issues in fundamental "Thread" class: set scheduling
525     policy and priority on thread level, set a minimum stack size for
526     thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
527     threads simply inherited properties of starting thread instead of
528     setting their own policy and priority
529 schoenebeck 1233 - minor fix in our automatic stack trace mechanism on crashes, the
530     main process did not wait for the stack trace process to finish
531     its output
532 persson 1248 - fixed some minor memory leaks
533 schoenebeck 1259 - reenabled assembly features support, at the moment only for
534     enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
535 schoenebeck 1314 - minor assembly fix in x86 features detection (don't use the PIC
536     register, to avoid relocations in the text segment at runtime)
537 schoenebeck 1424 - POSIX callback functions of Thread.h are hidden
538 schoenebeck 947
539     * MIDI driver:
540     - dispatch bank select (MSB and LSB) messages
541    
542 schoenebeck 1049 * audio driver:
543     - the ALSA audio output driver parameters now reflect the correct
544     parameter value ranges for the respective selected sound card
545     (patch by Till Wimmer, a bit fixed and extended)
546    
547 persson 951 * Gigasampler format engine:
548     - if a filter is used and EG2 finishes before EG1, let the voice
549     die when EG2 has finished (this fixes a problem with clicks and
550     voice starvation for some gigs)
551 persson 1038 - playback is no longer disabled during instrument loading
552     - all notes playing on a channel that changes its instrument keep
553     playing with the old instrument until they get a note off
554     command
555 persson 1039 - EG fix: a release value of zero could cause noises or crash
556 schoenebeck 1041 - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
557 persson 1046 - EG fine tuning: when attack is zero the EG starts at a level
558     above max sustain level, which means that there is a decay phase
559     even if sustain is 100%
560 persson 1147 - more EG fixes: the level could sometimes go below zero and cause
561     noises or crashes
562 schoenebeck 1149 - minor fix of EGDecay (patch by Toshi Nagata)
563 schoenebeck 1181 - fixed compiler error when --enable-override-filter-type was
564     supplied to the configure script (fixes #46)
565 schoenebeck 1321 - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
566     instead of a fix value
567 schoenebeck 1348 - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
568     127 (solo mode) only kill voices if the respective mode really
569     changed
570 persson 951
571 schoenebeck 1244 * LSCP server:
572     - fixed compile time error for old Bison versions
573     (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
574 schoenebeck 1245 - parser now supports extended ASCII character set
575     (up to ASCII code 255, i.e. includes now umlauts and accents)
576     - filename arguments in LSCP commands now allow to use escape
577     sequences, that is directly literal as one of: \', \", \\, \n, \r,
578     \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
579     code value like \xf2) (fixes bug #24)
580 schoenebeck 1389 - the following LSCP commands now also support escape sequences for at
581     least one of their text-based parameters (i.e. name, description):
582     "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
583     "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
584     "SET DB_INSTRUMENT_DIRECTORY NAME",
585     "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
586     "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
587     "FIND DB_INSTRUMENT_DIRECTORIES"
588 schoenebeck 1252 - returns verbose syntax errors (line and column where syntax error
589     occured, the unexpected character and the actually expected, possible
590     character(s), the latter only if less than 5 possibilities)
591 persson 1349 - made sure that LSCP syntax is not affected by gigedit locale
592     settings
593 schoenebeck 1379 - bugfix regarding strings parameter lists: all comma separated lists
594     of strings were treated as being one string containing commas
595     (fixes #57)
596 schoenebeck 1244
597 iliev 959 * Bug fixes:
598     - fixed crash occurring on certain LSCP scripts (Bug 39)
599 persson 1038 - another thread safety fix for lscp "load engine" and "set
600     channel audio output device"
601 iliev 1283 - fixed a crash which occurs when reassigning the same engine
602     on a sampler channel with connected MIDI device
603 iliev 1295 - fixed a crash which occurs when changing the number of ports of a MIDI
604     device connected to a sampler channel to number less then or equal
605     to the index of the port to which the sampler channel is connected.
606 iliev 1296 - The previous bindings were not been disconnected when altering
607     the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
608     unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
609 iliev 1297 - The active stream/voice count statistic was incorrect.
610 iliev 1298 - notification events were not been sent for some sampler
611     channel changes
612 iliev 1305 - added default min and max values to restrict the number of allowed
613     audio output channels and MIDI input ports
614 iliev 1306 - the connection to the PCM interface is now closed when destroying
615     an audio output device
616 schoenebeck 1332 - files with slash in their path or filename could not be loaded
617 iliev 959
618 schoenebeck 1221 * test cases:
619     - updated and fixed (haven't been touched in a while)
620    
621 schoenebeck 937 Version 0.4.0 (24 November 2006)
622 persson 696
623 schoenebeck 697 * packaging changes:
624 capela 868 - changed deprecated copyright attribute to license; added ldconfig
625     to post-(un)install steps; added devel package for liblinuxsampler;
626     to linuxsampler.spec (RPM)
627 schoenebeck 697 - install necessary development header files for allowing 3rd party
628     applications to link against liblinuxsampler
629     - liblinuxsampler's API documentation can be generated with 'make docs'
630     (Doxygen required)
631 schoenebeck 715 - added benchmark to automatically detect the best triangle LFO
632     implementation (currently either an integer math solution or a
633     di-harmonic approximation), automatic detection can be overriden
634     with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
635     configure script argument though (mandatory for cross-compilation)
636 schoenebeck 829 - do not automatically pick optimized gcc flags if the user already
637     provided some on his own (as CXXFLAGS)
638 schoenebeck 849 - added compile time option to disable processing of All-Notes-Off MIDI
639     messages
640 schoenebeck 852 - added compile time options to allow disabling the various audio and
641     MIDI drivers
642 schoenebeck 909 - fixed automatic GCC CPU switch detection on PPC
643     (patch by Ebrahim Mayat)
644 schoenebeck 697
645 persson 696 * Gigasampler format engine:
646 schoenebeck 738 - extensive synthesis optimization
647     (reimplementation of EGs and LFO(s), removed synthesis parameter
648     prerendering and the synthesis parameter matrix in general, splitting
649     each audio fragment into subfragments now where each subfragment uses
650 persson 830 constant pitch and filter coefficients. The volume coefficient is
651     linearly interpolated inside a subfragment, unless
652     --disable-interpolate-volume is set.)
653 persson 696 - fine tuning of the EG modulation parameters
654 persson 729 - improved filter cutoff calculation by adding support for the
655     following gig parameters: Cutoff freq (used when no cutoff
656     controller is defined), Control invert, Minimum cutoff, Velocity
657 persson 791 curve and Velocity range. The keyboard tracking now scales
658     cutoff frequency instead of resonance.
659 persson 877 - added support for gig parameter Resonance.
660 schoenebeck 775 - fixed bug in sysex handling (patch by Juan Linietsky)
661 schoenebeck 781 - added global volume attenuation of -9 dB (0.35f) to prevent clipping
662     which can be overridden with --enable-global-attenuation
663 persson 783 - EG fixes: made the length of "attack hold" stage more
664     accurate. Release stage can now start before attack stage
665 persson 797 ends. Cancel release didn't work when sustain was zero. Attack
666     time now has a minimal value to prevent clicks.
667 persson 799 - fixed pitch changes larger than one octave
668 schoenebeck 829 - fixed EG3 (pitch envelope) synthesis which was neutral all the time
669     - implemented portamento mode and solo mode (a.k.a 'mono mode'):
670     all modes can be altered via standard GM messages, that is CC5 for
671     altering portamento time, CC65 for enabling / disabling portamento
672     mode, CC126 for enabling solo mode and CC127 for disabling solo mode
673 persson 832 - fine tuning of the curves for volume (CC7), pan (CC10 and gig
674     parameter) and crossfade
675 persson 831 - added support for the "attenuation controller threshold" gig
676     parameter
677 persson 832 - added smoothing of volume changes caused by control change
678     messages
679 persson 865 - sample loop parameters are now taken from the DimensionRegion
680     instead of the wave chunk
681     - fixed keyswitching for v3 gigs with a number of keyswitch splits
682     not equal to a power of two
683 persson 877 - reimplementation of the filter algorithm. The new filter is more
684     accurate and supports all gig filter types, including bandreject
685     and lowpass turbo.
686 persson 903 - real support for 24 bit samples - samples are not truncated to
687     16 bits anymore
688     - support for aftertouch (channel pressure, not polyphonic
689     aftertouch)
690 persson 922 - LFO1 behaviour fixed (dampening from max volume instead of
691     amplifying from 0)
692 persson 696
693 schoenebeck 711 * LSCP server:
694     - fixed application exit on broken pipe error (fixes bug #20)
695 iliev 793 - fixed the notification messages delay due to lack of
696     network activity (fixes bug #26)
697 schoenebeck 826 - fixed parser bug which occured on space(s) within device parameters
698     (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
699 schoenebeck 711
700 schoenebeck 838 * audio driver:
701     - added aRts audio output driver (by no means RT safe)
702    
703 schoenebeck 775 * MIDI driver:
704     - fixed legacy sysex code which caused dispatching of MIDI SysEx
705     messages several times instead of once
706 schoenebeck 906 - API extension for MIDI drivers which already supply exact time stamps
707     for events (i.e. for offline rendering based MIDI drivers)
708 persson 922 - added checks for bad MIDI data
709 schoenebeck 775
710 schoenebeck 900 * linuxsampler application:
711     - show available sampler engine types on startup
712    
713 schoenebeck 705 * general changes:
714     - support for muting sampler channels and solo mode of the same, two new
715     LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
716     fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
717     introduced for this, the behavior is the same like on a mixer console
718 iliev 716 (patch by Grigor Iliev, a bit adjusted). Also added configure option
719     --enable-process-muted-channels which can be used to enable the
720     processing of muted channels.
721 iliev 777 - support for sostenuto pedal
722 iliev 779 - support for monitoring the total number of active voices
723 iliev 778 (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
724     SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
725 persson 835 - fixed some memory management errors
726 persson 841 - fixed some concurrency problems that could lead to crashes when
727     LSCP commands were executed
728 schoenebeck 925 - fixed crash when instrument loading failed previously on the same
729     sampler channel (fixes bug #36)
730 schoenebeck 705
731 schoenebeck 692 Version 0.3.3 (15 July 2005)
732 schoenebeck 686
733     * packaging changes:
734     - fixed compilation with gcc 4.0
735    
736 schoenebeck 687 * Gigasampler format engine:
737     - LFO preprocessing was performed even though the respective LFO was
738     disabled by the instrument patch (minor efficiency fix)
739 schoenebeck 688 - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
740     for volume ramp downs in the same fragment (needed for current voice
741     stealing implementation) then simply inform the user with a warning
742     about possible click sounds and reduce the volume ramp down
743     appropriately instead of cancelling the audio device connection
744 schoenebeck 687
745 schoenebeck 677 Version 0.3.2 (24 June 2005)
746 schoenebeck 609
747     * packaging changes:
748     - updated autotools build files to compile on OS X
749     (conditional compilation of CoreMIDI and MidiShare drivers)
750 schoenebeck 617 - hand-crafted assembly optimization code can be disabled with
751     './configure --disable-asm' (definitely not recommended)
752 schoenebeck 654 - fixed 'make dist' rule to include all necessary files
753     - require automake (>= 1.5) for 'make -f Makefile.cvs'
754     (due to 'dist-bzip2' automake option)
755 schoenebeck 649
756     * Gigasampler format engine:
757     - support for the gig parameters for "release velocity response" curves
758     - fine tuning of the EGADSR envelope
759     - volume of release triggered samples now depends on note-on velocity,
760     note length and gig parameter "release trigger decay" instead of
761     note-off velocity.
762 schoenebeck 663 - revised voice stealing
763     (fixes crash and endless loop caused by voice stealing)
764 schoenebeck 659 - don't reset scale tuning on instrument or audio output device change
765 schoenebeck 668 - handle key group conflicts right at the beginning of each fragment
766     instead of when the respective voice is actually launched
767     (fixes undefined behavior if stolen voices belonged to a key group -
768     this case was followed by a "killed voice survived" error message)
769 schoenebeck 669 - fixed minor issue with null/silence samples
770     (those stole voices even though they don't need a voice at all which
771     resulted in "voice stealing didn't work out" messages)
772 schoenebeck 670 - don't reset volume, pan, pitch and MIDI controller values on
773     instrument or audio output device change
774 schoenebeck 654
775 schoenebeck 620 * LSCP server:
776 schoenebeck 654 - fixed some crashes (patch by Grigor Iliev, fixes #19)
777 schoenebeck 660 - fixed LSCP event "CHANNEL_INFO" notification
778 schoenebeck 670 (e.g. did not notify on volume changes or MIDI program change events)
779 schoenebeck 609
780 schoenebeck 668 * linuxsampler application:
781     - added command line parameters --lscp-addr and --lscp-port to override
782     default IP address and port of LSCP server
783    
784 schoenebeck 579 Version 0.3.1 (24 May 2005)
785    
786     * initial release

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