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Revision 797 - (hide annotations) (download)
Wed Nov 2 19:26:15 2005 UTC (13 years, 11 months ago) by persson
File size: 5682 byte(s)
* minor EG fine tuning: attack time now has a minimum value to prevent
  clicks

1 persson 696 Version CVS HEAD (?)
2    
3 schoenebeck 697 * 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 schoenebeck 715 - 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 schoenebeck 697
14 persson 696 * Gigasampler format engine:
15 schoenebeck 738 - extensive synthesis optimization
16     (reimplementation of EGs and LFO(s), removed synthesis parameter
17     prerendering and the synthesis parameter matrix in general, splitting
18     each audio fragment into subfragments now where each subfragment uses
19     constant synthesis parameters - that is volume, pitch and filter
20     coefficients)
21 persson 696 - fine tuning of the EG modulation parameters
22 persson 729 - improved filter cutoff calculation by adding support for the
23     following gig parameters: Cutoff freq (used when no cutoff
24     controller is defined), Control invert, Minimum cutoff, Velocity
25 persson 791 curve and Velocity range. The keyboard tracking now scales
26     cutoff frequency instead of resonance.
27     - filter fine tuning: calculation of cutoff frequency and
28     bandwidth improved. Removed use of "BasicBPFilter". Changed
29     bandpass filter from constant peak to constant skirt. Added
30     support for gig parameter Resonance.
31 schoenebeck 775 - fixed bug in sysex handling (patch by Juan Linietsky)
32 schoenebeck 781 - added global volume attenuation of -9 dB (0.35f) to prevent clipping
33     which can be overridden with --enable-global-attenuation
34 persson 783 - EG fixes: made the length of "attack hold" stage more
35     accurate. Release stage can now start before attack stage
36 persson 797 ends. Cancel release didn't work when sustain was zero. Attack
37     time now has a minimal value to prevent clicks.
38 persson 696
39 schoenebeck 711 * LSCP server:
40     - fixed application exit on broken pipe error (fixes bug #20)
41 iliev 793 - fixed the notification messages delay due to lack of
42     network activity (fixes bug #26)
43 schoenebeck 711
44 schoenebeck 775 * MIDI driver:
45     - fixed legacy sysex code which caused dispatching of MIDI SysEx
46     messages several times instead of once
47    
48 schoenebeck 705 * general changes:
49     - support for muting sampler channels and solo mode of the same, two new
50     LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
51     fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
52     introduced for this, the behavior is the same like on a mixer console
53 iliev 716 (patch by Grigor Iliev, a bit adjusted). Also added configure option
54     --enable-process-muted-channels which can be used to enable the
55     processing of muted channels.
56 iliev 777 - support for sostenuto pedal
57 iliev 779 - support for monitoring the total number of active voices
58 iliev 778 (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
59     SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
60 schoenebeck 705
61 schoenebeck 692 Version 0.3.3 (15 July 2005)
62 schoenebeck 686
63     * packaging changes:
64     - fixed compilation with gcc 4.0
65    
66 schoenebeck 687 * Gigasampler format engine:
67     - LFO preprocessing was performed even though the respective LFO was
68     disabled by the instrument patch (minor efficiency fix)
69 schoenebeck 688 - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
70     for volume ramp downs in the same fragment (needed for current voice
71     stealing implementation) then simply inform the user with a warning
72     about possible click sounds and reduce the volume ramp down
73     appropriately instead of cancelling the audio device connection
74 schoenebeck 687
75 schoenebeck 677 Version 0.3.2 (24 June 2005)
76 schoenebeck 609
77     * packaging changes:
78     - updated autotools build files to compile on OS X
79     (conditional compilation of CoreMIDI and MidiShare drivers)
80 schoenebeck 617 - hand-crafted assembly optimization code can be disabled with
81     './configure --disable-asm' (definitely not recommended)
82 schoenebeck 654 - fixed 'make dist' rule to include all necessary files
83     - require automake (>= 1.5) for 'make -f Makefile.cvs'
84     (due to 'dist-bzip2' automake option)
85 schoenebeck 649
86     * Gigasampler format engine:
87     - support for the gig parameters for "release velocity response" curves
88     - fine tuning of the EGADSR envelope
89     - volume of release triggered samples now depends on note-on velocity,
90     note length and gig parameter "release trigger decay" instead of
91     note-off velocity.
92 schoenebeck 663 - revised voice stealing
93     (fixes crash and endless loop caused by voice stealing)
94 schoenebeck 659 - don't reset scale tuning on instrument or audio output device change
95 schoenebeck 668 - handle key group conflicts right at the beginning of each fragment
96     instead of when the respective voice is actually launched
97     (fixes undefined behavior if stolen voices belonged to a key group -
98     this case was followed by a "killed voice survived" error message)
99 schoenebeck 669 - fixed minor issue with null/silence samples
100     (those stole voices even though they don't need a voice at all which
101     resulted in "voice stealing didn't work out" messages)
102 schoenebeck 670 - don't reset volume, pan, pitch and MIDI controller values on
103     instrument or audio output device change
104 schoenebeck 654
105 schoenebeck 620 * LSCP server:
106 schoenebeck 654 - fixed some crashes (patch by Grigor Iliev, fixes #19)
107 schoenebeck 660 - fixed LSCP event "CHANNEL_INFO" notification
108 schoenebeck 670 (e.g. did not notify on volume changes or MIDI program change events)
109 schoenebeck 609
110 schoenebeck 668 * linuxsampler application:
111     - added command line parameters --lscp-addr and --lscp-port to override
112     default IP address and port of LSCP server
113    
114 schoenebeck 579 Version 0.3.1 (24 May 2005)
115    
116     * initial release

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