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Revision 906 - (hide annotations) (download)
Sun Jul 23 16:44:08 2006 UTC (13 years, 3 months ago) by schoenebeck
File size: 7872 byte(s)
* MIDI driver API extension for MIDI drivers which already supply exact
  time stamps for events (i.e. for offline rendering based MIDI drivers)

1 persson 696 Version CVS HEAD (?)
2    
3 schoenebeck 697 * packaging changes:
4 capela 868 - 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 schoenebeck 697 - 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 schoenebeck 715 - 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 schoenebeck 829 - do not automatically pick optimized gcc flags if the user already
17     provided some on his own (as CXXFLAGS)
18 schoenebeck 849 - added compile time option to disable processing of All-Notes-Off MIDI
19     messages
20 schoenebeck 852 - added compile time options to allow disabling the various audio and
21     MIDI drivers
22 schoenebeck 697
23 persson 696 * Gigasampler format engine:
24 schoenebeck 738 - 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 persson 830 constant pitch and filter coefficients. The volume coefficient is
29     linearly interpolated inside a subfragment, unless
30     --disable-interpolate-volume is set.)
31 persson 696 - fine tuning of the EG modulation parameters
32 persson 729 - 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 persson 791 curve and Velocity range. The keyboard tracking now scales
36     cutoff frequency instead of resonance.
37 persson 877 - added support for gig parameter Resonance.
38 schoenebeck 775 - fixed bug in sysex handling (patch by Juan Linietsky)
39 schoenebeck 781 - added global volume attenuation of -9 dB (0.35f) to prevent clipping
40     which can be overridden with --enable-global-attenuation
41 persson 783 - EG fixes: made the length of "attack hold" stage more
42     accurate. Release stage can now start before attack stage
43 persson 797 ends. Cancel release didn't work when sustain was zero. Attack
44     time now has a minimal value to prevent clicks.
45 persson 799 - fixed pitch changes larger than one octave
46 schoenebeck 829 - fixed EG3 (pitch envelope) synthesis which was neutral all the time
47     - implemented portamento mode and solo mode (a.k.a 'mono mode'):
48     all modes can be altered via standard GM messages, that is CC5 for
49     altering portamento time, CC65 for enabling / disabling portamento
50     mode, CC126 for enabling solo mode and CC127 for disabling solo mode
51 persson 832 - fine tuning of the curves for volume (CC7), pan (CC10 and gig
52     parameter) and crossfade
53 persson 831 - added support for the "attenuation controller threshold" gig
54     parameter
55 persson 832 - added smoothing of volume changes caused by control change
56     messages
57 persson 865 - sample loop parameters are now taken from the DimensionRegion
58     instead of the wave chunk
59     - fixed keyswitching for v3 gigs with a number of keyswitch splits
60     not equal to a power of two
61 persson 877 - reimplementation of the filter algorithm. The new filter is more
62     accurate and supports all gig filter types, including bandreject
63     and lowpass turbo.
64 persson 903 - real support for 24 bit samples - samples are not truncated to
65     16 bits anymore
66     - support for aftertouch (channel pressure, not polyphonic
67     aftertouch)
68 persson 696
69 schoenebeck 711 * LSCP server:
70     - fixed application exit on broken pipe error (fixes bug #20)
71 iliev 793 - fixed the notification messages delay due to lack of
72     network activity (fixes bug #26)
73 schoenebeck 826 - fixed parser bug which occured on space(s) within device parameters
74     (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
75 schoenebeck 711
76 schoenebeck 838 * audio driver:
77     - added aRts audio output driver (by no means RT safe)
78    
79 schoenebeck 775 * MIDI driver:
80     - fixed legacy sysex code which caused dispatching of MIDI SysEx
81     messages several times instead of once
82 schoenebeck 906 - API extension for MIDI drivers which already supply exact time stamps
83     for events (i.e. for offline rendering based MIDI drivers)
84 schoenebeck 775
85 schoenebeck 900 * linuxsampler application:
86     - show available sampler engine types on startup
87    
88 schoenebeck 705 * general changes:
89     - support for muting sampler channels and solo mode of the same, two new
90     LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
91     fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
92     introduced for this, the behavior is the same like on a mixer console
93 iliev 716 (patch by Grigor Iliev, a bit adjusted). Also added configure option
94     --enable-process-muted-channels which can be used to enable the
95     processing of muted channels.
96 iliev 777 - support for sostenuto pedal
97 iliev 779 - support for monitoring the total number of active voices
98 iliev 778 (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
99     SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
100 persson 835 - fixed some memory management errors
101 persson 841 - fixed some concurrency problems that could lead to crashes when
102     LSCP commands were executed
103 schoenebeck 705
104 schoenebeck 692 Version 0.3.3 (15 July 2005)
105 schoenebeck 686
106     * packaging changes:
107     - fixed compilation with gcc 4.0
108    
109 schoenebeck 687 * Gigasampler format engine:
110     - LFO preprocessing was performed even though the respective LFO was
111     disabled by the instrument patch (minor efficiency fix)
112 schoenebeck 688 - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
113     for volume ramp downs in the same fragment (needed for current voice
114     stealing implementation) then simply inform the user with a warning
115     about possible click sounds and reduce the volume ramp down
116     appropriately instead of cancelling the audio device connection
117 schoenebeck 687
118 schoenebeck 677 Version 0.3.2 (24 June 2005)
119 schoenebeck 609
120     * packaging changes:
121     - updated autotools build files to compile on OS X
122     (conditional compilation of CoreMIDI and MidiShare drivers)
123 schoenebeck 617 - hand-crafted assembly optimization code can be disabled with
124     './configure --disable-asm' (definitely not recommended)
125 schoenebeck 654 - fixed 'make dist' rule to include all necessary files
126     - require automake (>= 1.5) for 'make -f Makefile.cvs'
127     (due to 'dist-bzip2' automake option)
128 schoenebeck 649
129     * Gigasampler format engine:
130     - support for the gig parameters for "release velocity response" curves
131     - fine tuning of the EGADSR envelope
132     - volume of release triggered samples now depends on note-on velocity,
133     note length and gig parameter "release trigger decay" instead of
134     note-off velocity.
135 schoenebeck 663 - revised voice stealing
136     (fixes crash and endless loop caused by voice stealing)
137 schoenebeck 659 - don't reset scale tuning on instrument or audio output device change
138 schoenebeck 668 - handle key group conflicts right at the beginning of each fragment
139     instead of when the respective voice is actually launched
140     (fixes undefined behavior if stolen voices belonged to a key group -
141     this case was followed by a "killed voice survived" error message)
142 schoenebeck 669 - fixed minor issue with null/silence samples
143     (those stole voices even though they don't need a voice at all which
144     resulted in "voice stealing didn't work out" messages)
145 schoenebeck 670 - don't reset volume, pan, pitch and MIDI controller values on
146     instrument or audio output device change
147 schoenebeck 654
148 schoenebeck 620 * LSCP server:
149 schoenebeck 654 - fixed some crashes (patch by Grigor Iliev, fixes #19)
150 schoenebeck 660 - fixed LSCP event "CHANNEL_INFO" notification
151 schoenebeck 670 (e.g. did not notify on volume changes or MIDI program change events)
152 schoenebeck 609
153 schoenebeck 668 * linuxsampler application:
154     - added command line parameters --lscp-addr and --lscp-port to override
155     default IP address and port of LSCP server
156    
157 schoenebeck 579 Version 0.3.1 (24 May 2005)
158    
159     * initial release

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