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revision 838 by schoenebeck, Fri Feb 10 14:57:40 2006 UTC revision 1298 by iliev, Fri Aug 17 12:55:37 2007 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version CVS HEAD (?)
2    
3    * packaging changes:    * packaging changes:
4        - config.h is not going to be installed along with liblinuxsampler's
5          API header files anymore
6        - only the API relevant header (and source) files will be exported to
7          the Doxygen API documentation (explicitly listed in Doxyfile.in)
8        - added completely new XCode project files for Mac OSX which is now
9          capable to execute our autoconf environment, thus no need anymore
10          to maintain the compile time configuration file (osx/version.h) for
11          OSX manually (patch by Toshi Nagata)
12    
13      * general changes:
14        - replaced the old, confusing MIDI program change mechanism by a
15          flexible MIDI instrument mapper which allows to map arbitrary
16          (MIDI bank, MIDI program) pairs with arbitrary
17          (engine type, instrument file, file index) triplets which will be
18          loaded on the respective channel when such MIDI program change
19          messages arrive, beside that, each entry allows to define a life-time
20          strategy for the instrument, so the user can define whether the
21          instrument should i.e. be permanently loaded (to be able to switch
22          quickly among sounds) or i.e. loaded just on demand when the
23          respective program change arrives (to safe RAM space), as well as a
24          global volume factor for each entry, so the user can adjust the volume
25          dynamic of his mapped instrument collection without having to modify
26          the instrument files, also one can manage arbitrary amount of such
27          MIDI instrument maps and assign each sampler channel individually
28          a certain map, so that i.e. separation of normal instruments and
29          drumkits is possible
30        - new notification events for tracking changes to audio/MIDI devices,
31          MIDI instrument maps, MIDI instruments, FX sends, global volume.
32        - sampler was limited to load max. 200 instruments in the background
33          due to a constant size RingBuffer FIFO which is now replaced by a
34          dynamic (unlimited) size std::list FIFO
35        - added FX sends, these allow to route audio signals to arbitrary audio
36          output channels for being processed by external effect processors
37          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
38          controllers
39        - global (sampler wide) volume can now be controlled at runtime
40        - Implemented new, improved notification system
41        - fixed compilation errors regarding OSX
42          (patch by Toshi Nagata)
43        - implemented instruments database
44        - added highly experimental support for on-the-fly instrument editing
45          within the sampler's process (by using instrument editor plugins),
46          you'll notice the new "Registered instrument editors:" message on
47          startup, added a new LSCP command "EDIT INSTRUMENT <sampler-channel>"
48          to spawn a matching instrument editor for the instrument on the
49          given sampler channel, the plugin path can be overridden at compile
50          time with ./configure --enable-plugin-dir=/some/dir
51        - fixed several issues in fundamental "Thread" class: set scheduling
52          policy and priority on thread level, set a minimum stack size for
53          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
54          threads simply inherited properties of starting thread instead of
55          setting their own policy and priority
56        - minor fix in our automatic stack trace mechanism on crashes, the
57          main process did not wait for the stack trace process to finish
58          its output
59        - fixed some minor memory leaks
60        - reenabled assembly features support, at the moment only for
61          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
62    
63      * MIDI driver:
64        - dispatch bank select (MSB and LSB) messages
65    
66      * audio driver:
67        - the ALSA audio output driver parameters now reflect the correct
68          parameter value ranges for the respective selected sound card
69          (patch by Till Wimmer, a bit fixed and extended)
70    
71      * Gigasampler format engine:
72        - if a filter is used and EG2 finishes before EG1, let the voice
73          die when EG2 has finished (this fixes a problem with clicks and
74          voice starvation for some gigs)
75        - playback is no longer disabled during instrument loading
76        - all notes playing on a channel that changes its instrument keep
77          playing with the old instrument until they get a note off
78          command
79        - EG fix: a release value of zero could cause noises or crash
80        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
81        - EG fine tuning: when attack is zero the EG starts at a level
82          above max sustain level, which means that there is a decay phase
83          even if sustain is 100%
84        - more EG fixes: the level could sometimes go below zero and cause
85          noises or crashes
86        - minor fix of EGDecay (patch by Toshi Nagata)
87        - fixed compiler error when --enable-override-filter-type was
88          supplied to the configure script (fixes #46)
89    
90      * LSCP server:
91        - fixed compile time error for old Bison versions
92          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
93        - parser now supports extended ASCII character set
94          (up to ASCII code 255, i.e. includes now umlauts and accents)
95        - filename arguments in LSCP commands now allow to use escape
96          sequences, that is directly literal as one of: \', \", \\, \n, \r,
97          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
98          code value like \xf2) (fixes bug #24)
99        - returns verbose syntax errors (line and column where syntax error
100          occured, the unexpected character and the actually expected, possible
101          character(s), the latter only if less than 5 possibilities)
102    
103      * Bug fixes:
104        - fixed crash occurring on certain LSCP scripts (Bug 39)
105        - another thread safety fix for lscp "load engine" and "set
106          channel audio output device"
107        - fixed a crash which occurs when reassigning the same engine
108          on a sampler channel with connected MIDI device
109        - fixed a crash which occurs when changing the number of ports of a MIDI
110          device connected to a sampler channel to number less then or equal
111          to the index of the port to which the sampler channel is connected.
112        - The previous bindings were not been disconnected when altering
113          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
114          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
115        - The active stream/voice count statistic was incorrect.
116        - notification events were not been sent for some sampler
117          channel changes
118    
119      * test cases:
120        - updated and fixed (haven't been touched in a while)
121    
122    Version 0.4.0 (24 November 2006)
123    
124      * packaging changes:
125        - changed deprecated copyright attribute to license; added ldconfig
126          to post-(un)install steps; added devel package for liblinuxsampler;
127          to linuxsampler.spec (RPM)
128      - install necessary development header files for allowing 3rd party      - install necessary development header files for allowing 3rd party
129        applications to link against liblinuxsampler        applications to link against liblinuxsampler
130      - 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 136  Version CVS HEAD (?)
136        configure script argument though (mandatory for cross-compilation)        configure script argument though (mandatory for cross-compilation)
137      - do not automatically pick optimized gcc flags if the user already      - do not automatically pick optimized gcc flags if the user already
138        provided some on his own (as CXXFLAGS)        provided some on his own (as CXXFLAGS)
139        - added compile time option to disable processing of All-Notes-Off MIDI
140          messages
141        - added compile time options to allow disabling the various audio and
142          MIDI drivers
143        - fixed automatic GCC CPU switch detection on PPC
144          (patch by Ebrahim Mayat)
145    
146    * Gigasampler format engine:    * Gigasampler format engine:
147      - extensive synthesis optimization      - extensive synthesis optimization
# Line 27  Version CVS HEAD (?) Line 157  Version CVS HEAD (?)
157        controller is defined), Control invert, Minimum cutoff, Velocity        controller is defined), Control invert, Minimum cutoff, Velocity
158        curve and Velocity range. The keyboard tracking now scales        curve and Velocity range. The keyboard tracking now scales
159        cutoff frequency instead of resonance.        cutoff frequency instead of resonance.
160      - 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.  
161      - fixed bug in sysex handling (patch by Juan Linietsky)      - fixed bug in sysex handling (patch by Juan Linietsky)
162      - added global volume attenuation of -9 dB (0.35f) to prevent clipping      - added global volume attenuation of -9 dB (0.35f) to prevent clipping
163        which can be overridden with --enable-global-attenuation        which can be overridden with --enable-global-attenuation
# Line 50  Version CVS HEAD (?) Line 177  Version CVS HEAD (?)
177        parameter        parameter
178      - added smoothing of volume changes caused by control change      - added smoothing of volume changes caused by control change
179        messages        messages
180        - sample loop parameters are now taken from the DimensionRegion
181          instead of the wave chunk
182        - fixed keyswitching for v3 gigs with a number of keyswitch splits
183          not equal to a power of two
184        - reimplementation of the filter algorithm. The new filter is more
185          accurate and supports all gig filter types, including bandreject
186          and lowpass turbo.
187        - real support for 24 bit samples - samples are not truncated to
188          16 bits anymore
189        - support for aftertouch (channel pressure, not polyphonic
190          aftertouch)
191        - LFO1 behaviour fixed (dampening from max volume instead of
192          amplifying from 0)
193    
194    * LSCP server:    * LSCP server:
195      - fixed application exit on broken pipe error (fixes bug #20)      - fixed application exit on broken pipe error (fixes bug #20)
# Line 64  Version CVS HEAD (?) Line 204  Version CVS HEAD (?)
204    * MIDI driver:    * MIDI driver:
205      - fixed legacy sysex code which caused dispatching of MIDI SysEx      - fixed legacy sysex code which caused dispatching of MIDI SysEx
206        messages several times instead of once        messages several times instead of once
207        - API extension for MIDI drivers which already supply exact time stamps
208          for events (i.e. for offline rendering based MIDI drivers)
209        - added checks for bad MIDI data
210    
211      * linuxsampler application:
212        - show available sampler engine types on startup
213    
214    * general changes:    * general changes:
215      - 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 78  Version CVS HEAD (?) Line 224  Version CVS HEAD (?)
224        (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,        (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
225        SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)        SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
226      - fixed some memory management errors      - fixed some memory management errors
227        - fixed some concurrency problems that could lead to crashes when
228          LSCP commands were executed
229        - fixed crash when instrument loading failed previously on the same
230          sampler channel (fixes bug #36)
231    
232  Version 0.3.3 (15 July 2005)  Version 0.3.3 (15 July 2005)
233    

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