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Revision 1283 - (hide annotations) (download)
Fri Aug 10 15:06:11 2007 UTC (13 years, 10 months ago) by iliev
File size: 14207 byte(s)
* fixed a crash which occurs when reassigning the same engine
  on a sampler channel with connected MIDI device

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 1233 - minor fix in our automatic stack trace mechanism on crashes, the
57     main process did not wait for the stack trace process to finish
58     its output
59 persson 1248 - fixed some minor memory leaks
60 schoenebeck 1259 - reenabled assembly features support, at the moment only for
61     enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
62 schoenebeck 947
63     * MIDI driver:
64     - dispatch bank select (MSB and LSB) messages
65    
66 schoenebeck 1049 * audio driver:
67     - the ALSA audio output driver parameters now reflect the correct
68     parameter value ranges for the respective selected sound card
69     (patch by Till Wimmer, a bit fixed and extended)
70    
71 persson 951 * Gigasampler format engine:
72     - if a filter is used and EG2 finishes before EG1, let the voice
73     die when EG2 has finished (this fixes a problem with clicks and
74     voice starvation for some gigs)
75 persson 1038 - playback is no longer disabled during instrument loading
76     - all notes playing on a channel that changes its instrument keep
77     playing with the old instrument until they get a note off
78     command
79 persson 1039 - EG fix: a release value of zero could cause noises or crash
80 schoenebeck 1041 - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
81 persson 1046 - EG fine tuning: when attack is zero the EG starts at a level
82     above max sustain level, which means that there is a decay phase
83     even if sustain is 100%
84 persson 1147 - more EG fixes: the level could sometimes go below zero and cause
85     noises or crashes
86 schoenebeck 1149 - minor fix of EGDecay (patch by Toshi Nagata)
87 schoenebeck 1181 - fixed compiler error when --enable-override-filter-type was
88     supplied to the configure script (fixes #46)
89 persson 951
90 schoenebeck 1244 * LSCP server:
91     - fixed compile time error for old Bison versions
92     (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
93 schoenebeck 1245 - parser now supports extended ASCII character set
94     (up to ASCII code 255, i.e. includes now umlauts and accents)
95     - filename arguments in LSCP commands now allow to use escape
96     sequences, that is directly literal as one of: \', \", \\, \n, \r,
97     \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
98     code value like \xf2) (fixes bug #24)
99 schoenebeck 1252 - returns verbose syntax errors (line and column where syntax error
100     occured, the unexpected character and the actually expected, possible
101     character(s), the latter only if less than 5 possibilities)
102 schoenebeck 1244
103 iliev 959 * Bug fixes:
104     - fixed crash occurring on certain LSCP scripts (Bug 39)
105 persson 1038 - another thread safety fix for lscp "load engine" and "set
106     channel audio output device"
107 iliev 1283 - fixed a crash which occurs when reassigning the same engine
108     on a sampler channel with connected MIDI device
109 iliev 959
110 schoenebeck 1221 * test cases:
111     - updated and fixed (haven't been touched in a while)
112    
113 schoenebeck 937 Version 0.4.0 (24 November 2006)
114 persson 696
115 schoenebeck 697 * packaging changes:
116 capela 868 - changed deprecated copyright attribute to license; added ldconfig
117     to post-(un)install steps; added devel package for liblinuxsampler;
118     to linuxsampler.spec (RPM)
119 schoenebeck 697 - install necessary development header files for allowing 3rd party
120     applications to link against liblinuxsampler
121     - liblinuxsampler's API documentation can be generated with 'make docs'
122     (Doxygen required)
123 schoenebeck 715 - added benchmark to automatically detect the best triangle LFO
124     implementation (currently either an integer math solution or a
125     di-harmonic approximation), automatic detection can be overriden
126     with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
127     configure script argument though (mandatory for cross-compilation)
128 schoenebeck 829 - do not automatically pick optimized gcc flags if the user already
129     provided some on his own (as CXXFLAGS)
130 schoenebeck 849 - added compile time option to disable processing of All-Notes-Off MIDI
131     messages
132 schoenebeck 852 - added compile time options to allow disabling the various audio and
133     MIDI drivers
134 schoenebeck 909 - fixed automatic GCC CPU switch detection on PPC
135     (patch by Ebrahim Mayat)
136 schoenebeck 697
137 persson 696 * Gigasampler format engine:
138 schoenebeck 738 - extensive synthesis optimization
139     (reimplementation of EGs and LFO(s), removed synthesis parameter
140     prerendering and the synthesis parameter matrix in general, splitting
141     each audio fragment into subfragments now where each subfragment uses
142 persson 830 constant pitch and filter coefficients. The volume coefficient is
143     linearly interpolated inside a subfragment, unless
144     --disable-interpolate-volume is set.)
145 persson 696 - fine tuning of the EG modulation parameters
146 persson 729 - improved filter cutoff calculation by adding support for the
147     following gig parameters: Cutoff freq (used when no cutoff
148     controller is defined), Control invert, Minimum cutoff, Velocity
149 persson 791 curve and Velocity range. The keyboard tracking now scales
150     cutoff frequency instead of resonance.
151 persson 877 - added support for gig parameter Resonance.
152 schoenebeck 775 - fixed bug in sysex handling (patch by Juan Linietsky)
153 schoenebeck 781 - added global volume attenuation of -9 dB (0.35f) to prevent clipping
154     which can be overridden with --enable-global-attenuation
155 persson 783 - EG fixes: made the length of "attack hold" stage more
156     accurate. Release stage can now start before attack stage
157 persson 797 ends. Cancel release didn't work when sustain was zero. Attack
158     time now has a minimal value to prevent clicks.
159 persson 799 - fixed pitch changes larger than one octave
160 schoenebeck 829 - fixed EG3 (pitch envelope) synthesis which was neutral all the time
161     - implemented portamento mode and solo mode (a.k.a 'mono mode'):
162     all modes can be altered via standard GM messages, that is CC5 for
163     altering portamento time, CC65 for enabling / disabling portamento
164     mode, CC126 for enabling solo mode and CC127 for disabling solo mode
165 persson 832 - fine tuning of the curves for volume (CC7), pan (CC10 and gig
166     parameter) and crossfade
167 persson 831 - added support for the "attenuation controller threshold" gig
168     parameter
169 persson 832 - added smoothing of volume changes caused by control change
170     messages
171 persson 865 - sample loop parameters are now taken from the DimensionRegion
172     instead of the wave chunk
173     - fixed keyswitching for v3 gigs with a number of keyswitch splits
174     not equal to a power of two
175 persson 877 - reimplementation of the filter algorithm. The new filter is more
176     accurate and supports all gig filter types, including bandreject
177     and lowpass turbo.
178 persson 903 - real support for 24 bit samples - samples are not truncated to
179     16 bits anymore
180     - support for aftertouch (channel pressure, not polyphonic
181     aftertouch)
182 persson 922 - LFO1 behaviour fixed (dampening from max volume instead of
183     amplifying from 0)
184 persson 696
185 schoenebeck 711 * LSCP server:
186     - fixed application exit on broken pipe error (fixes bug #20)
187 iliev 793 - fixed the notification messages delay due to lack of
188     network activity (fixes bug #26)
189 schoenebeck 826 - fixed parser bug which occured on space(s) within device parameters
190     (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
191 schoenebeck 711
192 schoenebeck 838 * audio driver:
193     - added aRts audio output driver (by no means RT safe)
194    
195 schoenebeck 775 * MIDI driver:
196     - fixed legacy sysex code which caused dispatching of MIDI SysEx
197     messages several times instead of once
198 schoenebeck 906 - API extension for MIDI drivers which already supply exact time stamps
199     for events (i.e. for offline rendering based MIDI drivers)
200 persson 922 - added checks for bad MIDI data
201 schoenebeck 775
202 schoenebeck 900 * linuxsampler application:
203     - show available sampler engine types on startup
204    
205 schoenebeck 705 * general changes:
206     - support for muting sampler channels and solo mode of the same, two new
207     LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
208     fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
209     introduced for this, the behavior is the same like on a mixer console
210 iliev 716 (patch by Grigor Iliev, a bit adjusted). Also added configure option
211     --enable-process-muted-channels which can be used to enable the
212     processing of muted channels.
213 iliev 777 - support for sostenuto pedal
214 iliev 779 - support for monitoring the total number of active voices
215 iliev 778 (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
216     SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
217 persson 835 - fixed some memory management errors
218 persson 841 - fixed some concurrency problems that could lead to crashes when
219     LSCP commands were executed
220 schoenebeck 925 - fixed crash when instrument loading failed previously on the same
221     sampler channel (fixes bug #36)
222 schoenebeck 705
223 schoenebeck 692 Version 0.3.3 (15 July 2005)
224 schoenebeck 686
225     * packaging changes:
226     - fixed compilation with gcc 4.0
227    
228 schoenebeck 687 * Gigasampler format engine:
229     - LFO preprocessing was performed even though the respective LFO was
230     disabled by the instrument patch (minor efficiency fix)
231 schoenebeck 688 - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
232     for volume ramp downs in the same fragment (needed for current voice
233     stealing implementation) then simply inform the user with a warning
234     about possible click sounds and reduce the volume ramp down
235     appropriately instead of cancelling the audio device connection
236 schoenebeck 687
237 schoenebeck 677 Version 0.3.2 (24 June 2005)
238 schoenebeck 609
239     * packaging changes:
240     - updated autotools build files to compile on OS X
241     (conditional compilation of CoreMIDI and MidiShare drivers)
242 schoenebeck 617 - hand-crafted assembly optimization code can be disabled with
243     './configure --disable-asm' (definitely not recommended)
244 schoenebeck 654 - fixed 'make dist' rule to include all necessary files
245     - require automake (>= 1.5) for 'make -f Makefile.cvs'
246     (due to 'dist-bzip2' automake option)
247 schoenebeck 649
248     * Gigasampler format engine:
249     - support for the gig parameters for "release velocity response" curves
250     - fine tuning of the EGADSR envelope
251     - volume of release triggered samples now depends on note-on velocity,
252     note length and gig parameter "release trigger decay" instead of
253     note-off velocity.
254 schoenebeck 663 - revised voice stealing
255     (fixes crash and endless loop caused by voice stealing)
256 schoenebeck 659 - don't reset scale tuning on instrument or audio output device change
257 schoenebeck 668 - handle key group conflicts right at the beginning of each fragment
258     instead of when the respective voice is actually launched
259     (fixes undefined behavior if stolen voices belonged to a key group -
260     this case was followed by a "killed voice survived" error message)
261 schoenebeck 669 - fixed minor issue with null/silence samples
262     (those stole voices even though they don't need a voice at all which
263     resulted in "voice stealing didn't work out" messages)
264 schoenebeck 670 - don't reset volume, pan, pitch and MIDI controller values on
265     instrument or audio output device change
266 schoenebeck 654
267 schoenebeck 620 * LSCP server:
268 schoenebeck 654 - fixed some crashes (patch by Grigor Iliev, fixes #19)
269 schoenebeck 660 - fixed LSCP event "CHANNEL_INFO" notification
270 schoenebeck 670 (e.g. did not notify on volume changes or MIDI program change events)
271 schoenebeck 609
272 schoenebeck 668 * linuxsampler application:
273     - added command line parameters --lscp-addr and --lscp-port to override
274     default IP address and port of LSCP server
275    
276 schoenebeck 579 Version 0.3.1 (24 May 2005)
277    
278     * initial release

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