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Revision 1221 - (hide annotations) (download)
Wed Jun 6 18:50:03 2007 UTC (12 years, 6 months ago) by schoenebeck
File size: 13027 byte(s)
* fixed several issues in fundamental "Thread" class: set scheduling
  policy and priority on thread level, set a minimum stack size for
  thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
  threads simply inherited properties of starting thread instead of
  setting their own policy and priority
* updated and fixed test cases (haven't been touched in a while, but
  are now all running successfully through all cases)

1 schoenebeck 947 Version CVS HEAD (?)
2    
3 schoenebeck 1065 * packaging changes:
4 schoenebeck 1212 - config.h is not going to be installed along with liblinuxsampler's
5     API header files anymore
6 schoenebeck 1065 - only the API relevant header (and source) files will be exported to
7     the Doxygen API documentation (explicitly listed in Doxyfile.in)
8 schoenebeck 1175 - added completely new XCode project files for Mac OSX which is now
9     capable to execute our autoconf environment, thus no need anymore
10     to maintain the compile time configuration file (osx/version.h) for
11     OSX manually (patch by Toshi Nagata)
12 schoenebeck 1065
13 schoenebeck 947 * general changes:
14     - replaced the old, confusing MIDI program change mechanism by a
15     flexible MIDI instrument mapper which allows to map arbitrary
16 schoenebeck 973 (MIDI bank, MIDI program) pairs with arbitrary
17 schoenebeck 947 (engine type, instrument file, file index) triplets which will be
18     loaded on the respective channel when such MIDI program change
19     messages arrive, beside that, each entry allows to define a life-time
20     strategy for the instrument, so the user can define whether the
21     instrument should i.e. be permanently loaded (to be able to switch
22     quickly among sounds) or i.e. loaded just on demand when the
23     respective program change arrives (to safe RAM space), as well as a
24     global volume factor for each entry, so the user can adjust the volume
25     dynamic of his mapped instrument collection without having to modify
26 schoenebeck 973 the instrument files, also one can manage arbitrary amount of such
27     MIDI instrument maps and assign each sampler channel individually
28     a certain map, so that i.e. separation of normal instruments and
29     drumkits is possible
30 iliev 1108 - new notification events for tracking changes to audio/MIDI devices,
31     MIDI instrument maps, MIDI instruments, FX sends, global volume.
32 schoenebeck 990 - sampler was limited to load max. 200 instruments in the background
33     due to a constant size RingBuffer FIFO which is now replaced by a
34     dynamic (unlimited) size std::list FIFO
35 schoenebeck 1001 - added FX sends, these allow to route audio signals to arbitrary audio
36     output channels for being processed by external effect processors
37     (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
38     controllers
39 schoenebeck 1005 - global (sampler wide) volume can now be controlled at runtime
40 iliev 1130 - Implemented new, improved notification system
41 schoenebeck 1149 - fixed compilation errors regarding OSX
42     (patch by Toshi Nagata)
43 iliev 1161 - implemented instruments database
44 schoenebeck 1212 - added highly experimental support for on-the-fly instrument editing
45     within the sampler's process (by using instrument editor plugins),
46     you'll notice the new "Registered instrument editors:" message on
47     startup, added a new LSCP command "EDIT INSTRUMENT <sampler-channel>"
48     to spawn a matching instrument editor for the instrument on the
49     given sampler channel, the plugin path can be overridden at compile
50     time with ./configure --enable-plugin-dir=/some/dir
51 schoenebeck 1221 - fixed several issues in fundamental "Thread" class: set scheduling
52     policy and priority on thread level, set a minimum stack size for
53     thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
54     threads simply inherited properties of starting thread instead of
55     setting their own policy and priority
56 schoenebeck 947
57     * MIDI driver:
58     - dispatch bank select (MSB and LSB) messages
59    
60 schoenebeck 1049 * audio driver:
61     - the ALSA audio output driver parameters now reflect the correct
62     parameter value ranges for the respective selected sound card
63     (patch by Till Wimmer, a bit fixed and extended)
64    
65 persson 951 * Gigasampler format engine:
66     - if a filter is used and EG2 finishes before EG1, let the voice
67     die when EG2 has finished (this fixes a problem with clicks and
68     voice starvation for some gigs)
69 persson 1038 - playback is no longer disabled during instrument loading
70     - all notes playing on a channel that changes its instrument keep
71     playing with the old instrument until they get a note off
72     command
73 persson 1039 - EG fix: a release value of zero could cause noises or crash
74 schoenebeck 1041 - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
75 persson 1046 - EG fine tuning: when attack is zero the EG starts at a level
76     above max sustain level, which means that there is a decay phase
77     even if sustain is 100%
78 persson 1147 - more EG fixes: the level could sometimes go below zero and cause
79     noises or crashes
80 schoenebeck 1149 - minor fix of EGDecay (patch by Toshi Nagata)
81 schoenebeck 1181 - fixed compiler error when --enable-override-filter-type was
82     supplied to the configure script (fixes #46)
83 persson 951
84 iliev 959 * Bug fixes:
85     - fixed crash occurring on certain LSCP scripts (Bug 39)
86 persson 1038 - another thread safety fix for lscp "load engine" and "set
87     channel audio output device"
88 iliev 959
89 schoenebeck 1221 * test cases:
90     - updated and fixed (haven't been touched in a while)
91    
92 schoenebeck 937 Version 0.4.0 (24 November 2006)
93 persson 696
94 schoenebeck 697 * packaging changes:
95 capela 868 - changed deprecated copyright attribute to license; added ldconfig
96     to post-(un)install steps; added devel package for liblinuxsampler;
97     to linuxsampler.spec (RPM)
98 schoenebeck 697 - install necessary development header files for allowing 3rd party
99     applications to link against liblinuxsampler
100     - liblinuxsampler's API documentation can be generated with 'make docs'
101     (Doxygen required)
102 schoenebeck 715 - added benchmark to automatically detect the best triangle LFO
103     implementation (currently either an integer math solution or a
104     di-harmonic approximation), automatic detection can be overriden
105     with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
106     configure script argument though (mandatory for cross-compilation)
107 schoenebeck 829 - do not automatically pick optimized gcc flags if the user already
108     provided some on his own (as CXXFLAGS)
109 schoenebeck 849 - added compile time option to disable processing of All-Notes-Off MIDI
110     messages
111 schoenebeck 852 - added compile time options to allow disabling the various audio and
112     MIDI drivers
113 schoenebeck 909 - fixed automatic GCC CPU switch detection on PPC
114     (patch by Ebrahim Mayat)
115 schoenebeck 697
116 persson 696 * Gigasampler format engine:
117 schoenebeck 738 - extensive synthesis optimization
118     (reimplementation of EGs and LFO(s), removed synthesis parameter
119     prerendering and the synthesis parameter matrix in general, splitting
120     each audio fragment into subfragments now where each subfragment uses
121 persson 830 constant pitch and filter coefficients. The volume coefficient is
122     linearly interpolated inside a subfragment, unless
123     --disable-interpolate-volume is set.)
124 persson 696 - fine tuning of the EG modulation parameters
125 persson 729 - improved filter cutoff calculation by adding support for the
126     following gig parameters: Cutoff freq (used when no cutoff
127     controller is defined), Control invert, Minimum cutoff, Velocity
128 persson 791 curve and Velocity range. The keyboard tracking now scales
129     cutoff frequency instead of resonance.
130 persson 877 - added support for gig parameter Resonance.
131 schoenebeck 775 - fixed bug in sysex handling (patch by Juan Linietsky)
132 schoenebeck 781 - added global volume attenuation of -9 dB (0.35f) to prevent clipping
133     which can be overridden with --enable-global-attenuation
134 persson 783 - EG fixes: made the length of "attack hold" stage more
135     accurate. Release stage can now start before attack stage
136 persson 797 ends. Cancel release didn't work when sustain was zero. Attack
137     time now has a minimal value to prevent clicks.
138 persson 799 - fixed pitch changes larger than one octave
139 schoenebeck 829 - fixed EG3 (pitch envelope) synthesis which was neutral all the time
140     - implemented portamento mode and solo mode (a.k.a 'mono mode'):
141     all modes can be altered via standard GM messages, that is CC5 for
142     altering portamento time, CC65 for enabling / disabling portamento
143     mode, CC126 for enabling solo mode and CC127 for disabling solo mode
144 persson 832 - fine tuning of the curves for volume (CC7), pan (CC10 and gig
145     parameter) and crossfade
146 persson 831 - added support for the "attenuation controller threshold" gig
147     parameter
148 persson 832 - added smoothing of volume changes caused by control change
149     messages
150 persson 865 - sample loop parameters are now taken from the DimensionRegion
151     instead of the wave chunk
152     - fixed keyswitching for v3 gigs with a number of keyswitch splits
153     not equal to a power of two
154 persson 877 - reimplementation of the filter algorithm. The new filter is more
155     accurate and supports all gig filter types, including bandreject
156     and lowpass turbo.
157 persson 903 - real support for 24 bit samples - samples are not truncated to
158     16 bits anymore
159     - support for aftertouch (channel pressure, not polyphonic
160     aftertouch)
161 persson 922 - LFO1 behaviour fixed (dampening from max volume instead of
162     amplifying from 0)
163 persson 696
164 schoenebeck 711 * LSCP server:
165     - fixed application exit on broken pipe error (fixes bug #20)
166 iliev 793 - fixed the notification messages delay due to lack of
167     network activity (fixes bug #26)
168 schoenebeck 826 - fixed parser bug which occured on space(s) within device parameters
169     (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
170 schoenebeck 711
171 schoenebeck 838 * audio driver:
172     - added aRts audio output driver (by no means RT safe)
173    
174 schoenebeck 775 * MIDI driver:
175     - fixed legacy sysex code which caused dispatching of MIDI SysEx
176     messages several times instead of once
177 schoenebeck 906 - API extension for MIDI drivers which already supply exact time stamps
178     for events (i.e. for offline rendering based MIDI drivers)
179 persson 922 - added checks for bad MIDI data
180 schoenebeck 775
181 schoenebeck 900 * linuxsampler application:
182     - show available sampler engine types on startup
183    
184 schoenebeck 705 * general changes:
185     - support for muting sampler channels and solo mode of the same, two new
186     LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
187     fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
188     introduced for this, the behavior is the same like on a mixer console
189 iliev 716 (patch by Grigor Iliev, a bit adjusted). Also added configure option
190     --enable-process-muted-channels which can be used to enable the
191     processing of muted channels.
192 iliev 777 - support for sostenuto pedal
193 iliev 779 - support for monitoring the total number of active voices
194 iliev 778 (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
195     SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
196 persson 835 - fixed some memory management errors
197 persson 841 - fixed some concurrency problems that could lead to crashes when
198     LSCP commands were executed
199 schoenebeck 925 - fixed crash when instrument loading failed previously on the same
200     sampler channel (fixes bug #36)
201 schoenebeck 705
202 schoenebeck 692 Version 0.3.3 (15 July 2005)
203 schoenebeck 686
204     * packaging changes:
205     - fixed compilation with gcc 4.0
206    
207 schoenebeck 687 * Gigasampler format engine:
208     - LFO preprocessing was performed even though the respective LFO was
209     disabled by the instrument patch (minor efficiency fix)
210 schoenebeck 688 - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
211     for volume ramp downs in the same fragment (needed for current voice
212     stealing implementation) then simply inform the user with a warning
213     about possible click sounds and reduce the volume ramp down
214     appropriately instead of cancelling the audio device connection
215 schoenebeck 687
216 schoenebeck 677 Version 0.3.2 (24 June 2005)
217 schoenebeck 609
218     * packaging changes:
219     - updated autotools build files to compile on OS X
220     (conditional compilation of CoreMIDI and MidiShare drivers)
221 schoenebeck 617 - hand-crafted assembly optimization code can be disabled with
222     './configure --disable-asm' (definitely not recommended)
223 schoenebeck 654 - fixed 'make dist' rule to include all necessary files
224     - require automake (>= 1.5) for 'make -f Makefile.cvs'
225     (due to 'dist-bzip2' automake option)
226 schoenebeck 649
227     * Gigasampler format engine:
228     - support for the gig parameters for "release velocity response" curves
229     - fine tuning of the EGADSR envelope
230     - volume of release triggered samples now depends on note-on velocity,
231     note length and gig parameter "release trigger decay" instead of
232     note-off velocity.
233 schoenebeck 663 - revised voice stealing
234     (fixes crash and endless loop caused by voice stealing)
235 schoenebeck 659 - don't reset scale tuning on instrument or audio output device change
236 schoenebeck 668 - handle key group conflicts right at the beginning of each fragment
237     instead of when the respective voice is actually launched
238     (fixes undefined behavior if stolen voices belonged to a key group -
239     this case was followed by a "killed voice survived" error message)
240 schoenebeck 669 - fixed minor issue with null/silence samples
241     (those stole voices even though they don't need a voice at all which
242     resulted in "voice stealing didn't work out" messages)
243 schoenebeck 670 - don't reset volume, pan, pitch and MIDI controller values on
244     instrument or audio output device change
245 schoenebeck 654
246 schoenebeck 620 * LSCP server:
247 schoenebeck 654 - fixed some crashes (patch by Grigor Iliev, fixes #19)
248 schoenebeck 660 - fixed LSCP event "CHANNEL_INFO" notification
249 schoenebeck 670 (e.g. did not notify on volume changes or MIDI program change events)
250 schoenebeck 609
251 schoenebeck 668 * linuxsampler application:
252     - added command line parameters --lscp-addr and --lscp-port to override
253     default IP address and port of LSCP server
254    
255 schoenebeck 579 Version 0.3.1 (24 May 2005)
256    
257     * initial release

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