/[svn]/linuxsampler/trunk/ChangeLog
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Contents of /linuxsampler/trunk/ChangeLog

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Revision 829 - (show annotations) (download)
Sat Jan 14 14:07:47 2006 UTC (13 years, 10 months ago) by schoenebeck
File size: 6360 byte(s)
* implemented portamento mode and solo mode (a.k.a 'mono mode'):
  all modes can be altered via standard GM messages, that is CC5 for
  altering portamento time, CC65 for enabling / disabling portamento
  mode, CC126 for enabling solo mode and CC127 for disabling solo mode
* fixed EG3 (pitch envelope) synthesis which was neutral all the time
* configure.in: do not automatically pick optimized gcc flags if the user
  already provided some on his own (as CXXFLAGS)

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

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