/[svn]/linuxsampler/trunk/ChangeLog
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revision 831 by persson, Sat Jan 28 16:55:30 2006 UTC revision 1005 by schoenebeck, Fri Dec 29 20:06:14 2006 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version CVS HEAD (?)
2    
3      * general changes:
4        - replaced the old, confusing MIDI program change mechanism by a
5          flexible MIDI instrument mapper which allows to map arbitrary
6          (MIDI bank, MIDI program) pairs with arbitrary
7          (engine type, instrument file, file index) triplets which will be
8          loaded on the respective channel when such MIDI program change
9          messages arrive, beside that, each entry allows to define a life-time
10          strategy for the instrument, so the user can define whether the
11          instrument should i.e. be permanently loaded (to be able to switch
12          quickly among sounds) or i.e. loaded just on demand when the
13          respective program change arrives (to safe RAM space), as well as a
14          global volume factor for each entry, so the user can adjust the volume
15          dynamic of his mapped instrument collection without having to modify
16          the instrument files, also one can manage arbitrary amount of such
17          MIDI instrument maps and assign each sampler channel individually
18          a certain map, so that i.e. separation of normal instruments and
19          drumkits is possible
20        - new notification events for tracking audio/MIDI device changes,
21          MIDI instrument map changes and MIDI instrument changes
22        - sampler was limited to load max. 200 instruments in the background
23          due to a constant size RingBuffer FIFO which is now replaced by a
24          dynamic (unlimited) size std::list FIFO
25        - added FX sends, these allow to route audio signals to arbitrary audio
26          output channels for being processed by external effect processors
27          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
28          controllers
29        - global (sampler wide) volume can now be controlled at runtime
30    
31      * MIDI driver:
32        - dispatch bank select (MSB and LSB) messages
33    
34      * Gigasampler format engine:
35        - if a filter is used and EG2 finishes before EG1, let the voice
36          die when EG2 has finished (this fixes a problem with clicks and
37          voice starvation for some gigs)
38    
39      * Bug fixes:
40        - fixed crash occurring on certain LSCP scripts (Bug 39)
41    
42    Version 0.4.0 (24 November 2006)
43    
44    * packaging changes:    * packaging changes:
45        - changed deprecated copyright attribute to license; added ldconfig
46          to post-(un)install steps; added devel package for liblinuxsampler;
47          to linuxsampler.spec (RPM)
48      - install necessary development header files for allowing 3rd party      - install necessary development header files for allowing 3rd party
49        applications to link against liblinuxsampler        applications to link against liblinuxsampler
50      - 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 56  Version CVS HEAD (?)
56        configure script argument though (mandatory for cross-compilation)        configure script argument though (mandatory for cross-compilation)
57      - do not automatically pick optimized gcc flags if the user already      - do not automatically pick optimized gcc flags if the user already
58        provided some on his own (as CXXFLAGS)        provided some on his own (as CXXFLAGS)
59        - added compile time option to disable processing of All-Notes-Off MIDI
60          messages
61        - added compile time options to allow disabling the various audio and
62          MIDI drivers
63        - fixed automatic GCC CPU switch detection on PPC
64          (patch by Ebrahim Mayat)
65    
66    * Gigasampler format engine:    * Gigasampler format engine:
67      - extensive synthesis optimization      - extensive synthesis optimization
# Line 27  Version CVS HEAD (?) Line 77  Version CVS HEAD (?)
77        controller is defined), Control invert, Minimum cutoff, Velocity        controller is defined), Control invert, Minimum cutoff, Velocity
78        curve and Velocity range. The keyboard tracking now scales        curve and Velocity range. The keyboard tracking now scales
79        cutoff frequency instead of resonance.        cutoff frequency instead of resonance.
80      - 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.  
81      - fixed bug in sysex handling (patch by Juan Linietsky)      - fixed bug in sysex handling (patch by Juan Linietsky)
82      - added global volume attenuation of -9 dB (0.35f) to prevent clipping      - added global volume attenuation of -9 dB (0.35f) to prevent clipping
83        which can be overridden with --enable-global-attenuation        which can be overridden with --enable-global-attenuation
# Line 44  Version CVS HEAD (?) Line 91  Version CVS HEAD (?)
91        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
92        altering portamento time, CC65 for enabling / disabling portamento        altering portamento time, CC65 for enabling / disabling portamento
93        mode, CC126 for enabling solo mode and CC127 for disabling solo mode        mode, CC126 for enabling solo mode and CC127 for disabling solo mode
94      - 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
95        parameter)        parameter) and crossfade
96      - added support for the "attenuation controller threshold" gig      - added support for the "attenuation controller threshold" gig
97        parameter        parameter
98        - added smoothing of volume changes caused by control change
99          messages
100        - sample loop parameters are now taken from the DimensionRegion
101          instead of the wave chunk
102        - fixed keyswitching for v3 gigs with a number of keyswitch splits
103          not equal to a power of two
104        - reimplementation of the filter algorithm. The new filter is more
105          accurate and supports all gig filter types, including bandreject
106          and lowpass turbo.
107        - real support for 24 bit samples - samples are not truncated to
108          16 bits anymore
109        - support for aftertouch (channel pressure, not polyphonic
110          aftertouch)
111        - LFO1 behaviour fixed (dampening from max volume instead of
112          amplifying from 0)
113    
114    * LSCP server:    * LSCP server:
115      - 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 118  Version CVS HEAD (?)
118      - fixed parser bug which occured on space(s) within device parameters      - fixed parser bug which occured on space(s) within device parameters
119        (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")        (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
120    
121      * audio driver:
122        - added aRts audio output driver (by no means RT safe)
123    
124    * MIDI driver:    * MIDI driver:
125      - fixed legacy sysex code which caused dispatching of MIDI SysEx      - fixed legacy sysex code which caused dispatching of MIDI SysEx
126        messages several times instead of once        messages several times instead of once
127        - API extension for MIDI drivers which already supply exact time stamps
128          for events (i.e. for offline rendering based MIDI drivers)
129        - added checks for bad MIDI data
130    
131      * linuxsampler application:
132        - show available sampler engine types on startup
133    
134    * general changes:    * general changes:
135      - 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 143  Version CVS HEAD (?)
143      - support for monitoring the total number of active voices      - support for monitoring the total number of active voices
144        (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,        (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
145        SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)        SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
146        - fixed some memory management errors
147        - fixed some concurrency problems that could lead to crashes when
148          LSCP commands were executed
149        - fixed crash when instrument loading failed previously on the same
150          sampler channel (fixes bug #36)
151    
152  Version 0.3.3 (15 July 2005)  Version 0.3.3 (15 July 2005)
153    
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