/[svn]/linuxsampler/trunk/ChangeLog
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revision 685 by persson, Tue Jul 5 19:30:37 2005 UTC revision 937 by schoenebeck, Fri Nov 24 17:43:09 2006 UTC
# Line 1  Line 1 
1    Version 0.4.0 (24 November 2006)
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        - fixed automatic GCC CPU switch detection on PPC
23          (patch by Ebrahim Mayat)
24    
25      * Gigasampler format engine:
26        - extensive synthesis optimization
27          (reimplementation of EGs and LFO(s), removed synthesis parameter
28          prerendering and the synthesis parameter matrix in general, splitting
29          each audio fragment into subfragments now where each subfragment uses
30          constant pitch and filter coefficients. The volume coefficient is
31          linearly interpolated inside a subfragment, unless
32          --disable-interpolate-volume is set.)
33        - fine tuning of the EG modulation parameters
34        - improved filter cutoff calculation by adding support for the
35          following gig parameters: Cutoff freq (used when no cutoff
36          controller is defined), Control invert, Minimum cutoff, Velocity
37          curve and Velocity range. The keyboard tracking now scales
38          cutoff frequency instead of resonance.
39        - added support for gig parameter Resonance.
40        - fixed bug in sysex handling (patch by Juan Linietsky)
41        - added global volume attenuation of -9 dB (0.35f) to prevent clipping
42          which can be overridden with --enable-global-attenuation
43        - EG fixes: made the length of "attack hold" stage more
44          accurate. Release stage can now start before attack stage
45          ends. Cancel release didn't work when sustain was zero. Attack
46          time now has a minimal value to prevent clicks.
47        - fixed pitch changes larger than one octave
48        - fixed EG3 (pitch envelope) synthesis which was neutral all the time
49        - implemented portamento mode and solo mode (a.k.a 'mono mode'):
50          all modes can be altered via standard GM messages, that is CC5 for
51          altering portamento time, CC65 for enabling / disabling portamento
52          mode, CC126 for enabling solo mode and CC127 for disabling solo mode
53        - fine tuning of the curves for volume (CC7), pan (CC10 and gig
54          parameter) and crossfade
55        - added support for the "attenuation controller threshold" gig
56          parameter
57        - added smoothing of volume changes caused by control change
58          messages
59        - sample loop parameters are now taken from the DimensionRegion
60          instead of the wave chunk
61        - fixed keyswitching for v3 gigs with a number of keyswitch splits
62          not equal to a power of two
63        - reimplementation of the filter algorithm. The new filter is more
64          accurate and supports all gig filter types, including bandreject
65          and lowpass turbo.
66        - real support for 24 bit samples - samples are not truncated to
67          16 bits anymore
68        - support for aftertouch (channel pressure, not polyphonic
69          aftertouch)
70        - LFO1 behaviour fixed (dampening from max volume instead of
71          amplifying from 0)
72    
73      * LSCP server:
74        - fixed application exit on broken pipe error (fixes bug #20)
75        - fixed the notification messages delay due to lack of
76          network activity (fixes bug #26)
77        - fixed parser bug which occured on space(s) within device parameters
78          (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
79    
80      * audio driver:
81        - added aRts audio output driver (by no means RT safe)
82    
83      * MIDI driver:
84        - fixed legacy sysex code which caused dispatching of MIDI SysEx
85          messages several times instead of once
86        - API extension for MIDI drivers which already supply exact time stamps
87          for events (i.e. for offline rendering based MIDI drivers)
88        - added checks for bad MIDI data
89    
90      * linuxsampler application:
91        - show available sampler engine types on startup
92    
93      * general changes:
94        - support for muting sampler channels and solo mode of the same, two new
95          LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
96          fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
97          introduced for this, the behavior is the same like on a mixer console
98          (patch by Grigor Iliev, a bit adjusted). Also added configure option
99          --enable-process-muted-channels which can be used to enable the
100          processing of muted channels.
101        - support for sostenuto pedal
102        - support for monitoring the total number of active voices
103          (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
104          SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
105        - fixed some memory management errors
106        - fixed some concurrency problems that could lead to crashes when
107          LSCP commands were executed
108        - fixed crash when instrument loading failed previously on the same
109          sampler channel (fixes bug #36)
110    
111    Version 0.3.3 (15 July 2005)
112    
113      * packaging changes:
114        - fixed compilation with gcc 4.0
115    
116      * Gigasampler format engine:
117        - LFO preprocessing was performed even though the respective LFO was
118          disabled by the instrument patch (minor efficiency fix)
119        - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
120          for volume ramp downs in the same fragment (needed for current voice
121          stealing implementation) then simply inform the user with a warning
122          about possible click sounds and reduce the volume ramp down
123          appropriately instead of cancelling the audio device connection
124    
125  Version 0.3.2 (24 June 2005)  Version 0.3.2 (24 June 2005)
126    
127    * packaging changes:    * packaging changes:
# Line 8  Version 0.3.2 (24 June 2005) Line 132  Version 0.3.2 (24 June 2005)
132      - fixed 'make dist' rule to include all necessary files      - fixed 'make dist' rule to include all necessary files
133      - require automake (>= 1.5) for 'make -f Makefile.cvs'      - require automake (>= 1.5) for 'make -f Makefile.cvs'
134        (due to 'dist-bzip2' automake option)        (due to 'dist-bzip2' automake option)
     - fixed compilation with gcc 4.0  
135    
136    * Gigasampler format engine:    * Gigasampler format engine:
137      - support for the gig parameters for "release velocity response" curves      - support for the gig parameters for "release velocity response" curves

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