/[svn]/linuxsampler/trunk/ChangeLog
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revision 630 by persson, Sat Jun 11 14:51:49 2005 UTC revision 831 by persson, Sat Jan 28 16:55:30 2006 UTC
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1  Version CVS HEAD (?)  Version CVS HEAD (?)
2    
3    * packaging changes:    * packaging changes:
4        - install necessary development header files for allowing 3rd party
5          applications to link against liblinuxsampler
6        - liblinuxsampler's API documentation can be generated with 'make docs'
7          (Doxygen required)
8        - added benchmark to automatically detect the best triangle LFO
9          implementation (currently either an integer math solution or a
10          di-harmonic approximation), automatic detection can be overriden
11          with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
12          configure script argument though (mandatory for cross-compilation)
13        - do not automatically pick optimized gcc flags if the user already
14          provided some on his own (as CXXFLAGS)
15    
16      * Gigasampler format engine:
17        - extensive synthesis optimization
18          (reimplementation of EGs and LFO(s), removed synthesis parameter
19          prerendering and the synthesis parameter matrix in general, splitting
20          each audio fragment into subfragments now where each subfragment uses
21          constant pitch and filter coefficients. The volume coefficient is
22          linearly interpolated inside a subfragment, unless
23          --disable-interpolate-volume is set.)
24        - fine tuning of the EG modulation parameters
25        - improved filter cutoff calculation by adding support for the
26          following gig parameters: Cutoff freq (used when no cutoff
27          controller is defined), Control invert, Minimum cutoff, Velocity
28          curve and Velocity range. The keyboard tracking now scales
29          cutoff frequency instead of resonance.
30        - filter fine tuning: calculation of cutoff frequency and
31          bandwidth improved. Removed use of "BasicBPFilter". Changed
32          bandpass filter from constant peak to constant skirt. Added
33          support for gig parameter Resonance.
34        - fixed bug in sysex handling (patch by Juan Linietsky)
35        - added global volume attenuation of -9 dB (0.35f) to prevent clipping
36          which can be overridden with --enable-global-attenuation
37        - EG fixes: made the length of "attack hold" stage more
38          accurate. Release stage can now start before attack stage
39          ends. Cancel release didn't work when sustain was zero. Attack
40          time now has a minimal value to prevent clicks.
41        - fixed pitch changes larger than one octave
42        - fixed EG3 (pitch envelope) synthesis which was neutral all the time
43        - implemented portamento mode and solo mode (a.k.a 'mono mode'):
44          all modes can be altered via standard GM messages, that is CC5 for
45          altering portamento time, CC65 for enabling / disabling portamento
46          mode, CC126 for enabling solo mode and CC127 for disabling solo mode
47        - fine tuning of the curves for volume (CC7) and pan (CC10 and gig
48          parameter)
49        - added support for the "attenuation controller threshold" gig
50          parameter
51    
52      * LSCP server:
53        - fixed application exit on broken pipe error (fixes bug #20)
54        - fixed the notification messages delay due to lack of
55          network activity (fixes bug #26)
56        - fixed parser bug which occured on space(s) within device parameters
57          (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
58    
59      * MIDI driver:
60        - fixed legacy sysex code which caused dispatching of MIDI SysEx
61          messages several times instead of once
62    
63      * general changes:
64        - support for muting sampler channels and solo mode of the same, two new
65          LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
66          fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
67          introduced for this, the behavior is the same like on a mixer console
68          (patch by Grigor Iliev, a bit adjusted). Also added configure option
69          --enable-process-muted-channels which can be used to enable the
70          processing of muted channels.
71        - support for sostenuto pedal
72        - support for monitoring the total number of active voices
73          (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
74          SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
75    
76    Version 0.3.3 (15 July 2005)
77    
78      * packaging changes:
79        - fixed compilation with gcc 4.0
80    
81      * Gigasampler format engine:
82        - LFO preprocessing was performed even though the respective LFO was
83          disabled by the instrument patch (minor efficiency fix)
84        - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
85          for volume ramp downs in the same fragment (needed for current voice
86          stealing implementation) then simply inform the user with a warning
87          about possible click sounds and reduce the volume ramp down
88          appropriately instead of cancelling the audio device connection
89    
90    Version 0.3.2 (24 June 2005)
91    
92      * packaging changes:
93      - updated autotools build files to compile on OS X      - updated autotools build files to compile on OS X
94        (conditional compilation of CoreMIDI and MidiShare drivers)        (conditional compilation of CoreMIDI and MidiShare drivers)
95      - hand-crafted assembly optimization code can be disabled with      - hand-crafted assembly optimization code can be disabled with
96        './configure --disable-asm' (definitely not recommended)        './configure --disable-asm' (definitely not recommended)
97    * support for the gig parameters for "release velocity response"      - fixed 'make dist' rule to include all necessary files
98      curves      - require automake (>= 1.5) for 'make -f Makefile.cvs'
99    * fine tuning of the EGADSR envelope        (due to 'dist-bzip2' automake option)
100    
101      * Gigasampler format engine:
102        - support for the gig parameters for "release velocity response" curves
103        - fine tuning of the EGADSR envelope
104        - volume of release triggered samples now depends on note-on velocity,
105          note length and gig parameter "release trigger decay" instead of
106          note-off velocity.
107        - revised voice stealing
108          (fixes crash and endless loop caused by voice stealing)
109        - don't reset scale tuning on instrument or audio output device change
110        - handle key group conflicts right at the beginning of each fragment
111          instead of when the respective voice is actually launched
112          (fixes undefined behavior if stolen voices belonged to a key group -
113          this case was followed by a "killed voice survived" error message)
114        - fixed minor issue with null/silence samples
115          (those stole voices even though they don't need a voice at all which
116          resulted in "voice stealing didn't work out" messages)
117        - don't reset volume, pan, pitch and MIDI controller values on
118          instrument or audio output device change
119    
120    * LSCP server:    * LSCP server:
121      - fixed some crashes (patch by Grigor Iliev, fixes #19)      - fixed some crashes (patch by Grigor Iliev, fixes #19)
122    * volume of release triggered samples now depends on note-on      - fixed LSCP event "CHANNEL_INFO" notification
123      velocity, note length and gig parameter "release trigger decay"        (e.g. did not notify on volume changes or MIDI program change events)
124      instead of note-off velocity.  
125      * linuxsampler application:
126        - added command line parameters --lscp-addr and --lscp-port to override
127          default IP address and port of LSCP server
128    
129  Version 0.3.1 (24 May 2005)  Version 0.3.1 (24 May 2005)
130    

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