/[svn]/linuxsampler/trunk/ChangeLog
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revision 692 by schoenebeck, Fri Jul 15 16:59:35 2005 UTC revision 868 by capela, Wed May 31 23:39:19 2006 UTC
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1    Version CVS HEAD (?)
2    
3      * packaging changes:
4        - changed deprecated copyright attribute to license; added ldconfig
5          to post-(un)install steps; added devel package for liblinuxsampler;
6          to linuxsampler.spec (RPM)
7        - install necessary development header files for allowing 3rd party
8          applications to link against liblinuxsampler
9        - liblinuxsampler's API documentation can be generated with 'make docs'
10          (Doxygen required)
11        - added benchmark to automatically detect the best triangle LFO
12          implementation (currently either an integer math solution or a
13          di-harmonic approximation), automatic detection can be overriden
14          with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
15          configure script argument though (mandatory for cross-compilation)
16        - do not automatically pick optimized gcc flags if the user already
17          provided some on his own (as CXXFLAGS)
18        - added compile time option to disable processing of All-Notes-Off MIDI
19          messages
20        - added compile time options to allow disabling the various audio and
21          MIDI drivers
22    
23      * Gigasampler format engine:
24        - extensive synthesis optimization
25          (reimplementation of EGs and LFO(s), removed synthesis parameter
26          prerendering and the synthesis parameter matrix in general, splitting
27          each audio fragment into subfragments now where each subfragment uses
28          constant pitch and filter coefficients. The volume coefficient is
29          linearly interpolated inside a subfragment, unless
30          --disable-interpolate-volume is set.)
31        - fine tuning of the EG modulation parameters
32        - improved filter cutoff calculation by adding support for the
33          following gig parameters: Cutoff freq (used when no cutoff
34          controller is defined), Control invert, Minimum cutoff, Velocity
35          curve and Velocity range. The keyboard tracking now scales
36          cutoff frequency instead of resonance.
37        - filter fine tuning: calculation of cutoff frequency and
38          bandwidth improved. Removed use of "BasicBPFilter". Changed
39          bandpass filter from constant peak to constant skirt. Added
40          support for gig parameter Resonance.
41        - fixed bug in sysex handling (patch by Juan Linietsky)
42        - added global volume attenuation of -9 dB (0.35f) to prevent clipping
43          which can be overridden with --enable-global-attenuation
44        - EG fixes: made the length of "attack hold" stage more
45          accurate. Release stage can now start before attack stage
46          ends. Cancel release didn't work when sustain was zero. Attack
47          time now has a minimal value to prevent clicks.
48        - fixed pitch changes larger than one octave
49        - fixed EG3 (pitch envelope) synthesis which was neutral all the time
50        - implemented portamento mode and solo mode (a.k.a 'mono mode'):
51          all modes can be altered via standard GM messages, that is CC5 for
52          altering portamento time, CC65 for enabling / disabling portamento
53          mode, CC126 for enabling solo mode and CC127 for disabling solo mode
54        - fine tuning of the curves for volume (CC7), pan (CC10 and gig
55          parameter) and crossfade
56        - added support for the "attenuation controller threshold" gig
57          parameter
58        - added smoothing of volume changes caused by control change
59          messages
60        - sample loop parameters are now taken from the DimensionRegion
61          instead of the wave chunk
62        - fixed keyswitching for v3 gigs with a number of keyswitch splits
63          not equal to a power of two
64    
65      * LSCP server:
66        - fixed application exit on broken pipe error (fixes bug #20)
67        - fixed the notification messages delay due to lack of
68          network activity (fixes bug #26)
69        - fixed parser bug which occured on space(s) within device parameters
70          (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
71    
72      * audio driver:
73        - added aRts audio output driver (by no means RT safe)
74    
75      * MIDI driver:
76        - fixed legacy sysex code which caused dispatching of MIDI SysEx
77          messages several times instead of once
78    
79      * general changes:
80        - support for muting sampler channels and solo mode of the same, two new
81          LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
82          fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
83          introduced for this, the behavior is the same like on a mixer console
84          (patch by Grigor Iliev, a bit adjusted). Also added configure option
85          --enable-process-muted-channels which can be used to enable the
86          processing of muted channels.
87        - support for sostenuto pedal
88        - support for monitoring the total number of active voices
89          (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
90          SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
91        - fixed some memory management errors
92        - fixed some concurrency problems that could lead to crashes when
93          LSCP commands were executed
94    
95  Version 0.3.3 (15 July 2005)  Version 0.3.3 (15 July 2005)
96    
97    * packaging changes:    * packaging changes:

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