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Revision 1349 - (hide annotations) (download)
Sat Sep 15 11:05:38 2007 UTC (12 years, 2 months ago) by persson
File size: 15900 byte(s)
* made sure that LSCP syntax is not affected by gigedit locale
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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 iliev 1345 - added support for escape sequences to the instruments database
45 schoenebeck 1212 - added highly experimental support for on-the-fly instrument editing
46     within the sampler's process (by using instrument editor plugins),
47     you'll notice the new "Registered instrument editors:" message on
48     startup, added a new LSCP command "EDIT INSTRUMENT <sampler-channel>"
49     to spawn a matching instrument editor for the instrument on the
50     given sampler channel, the plugin path can be overridden at compile
51     time with ./configure --enable-plugin-dir=/some/dir
52 schoenebeck 1321 - added experimental code for synchronizing instrument editors hosted
53     in the sampler's process to safely edit instruments while playing
54     without a crash (hopefully) by either suspending single regions
55     wherever possible or if unavoidable whole engine(s)
56 schoenebeck 1221 - fixed several issues in fundamental "Thread" class: set scheduling
57     policy and priority on thread level, set a minimum stack size for
58     thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
59     threads simply inherited properties of starting thread instead of
60     setting their own policy and priority
61 schoenebeck 1233 - minor fix in our automatic stack trace mechanism on crashes, the
62     main process did not wait for the stack trace process to finish
63     its output
64 persson 1248 - fixed some minor memory leaks
65 schoenebeck 1259 - reenabled assembly features support, at the moment only for
66     enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
67 schoenebeck 1314 - minor assembly fix in x86 features detection (don't use the PIC
68     register, to avoid relocations in the text segment at runtime)
69 schoenebeck 947
70     * MIDI driver:
71     - dispatch bank select (MSB and LSB) messages
72    
73 schoenebeck 1049 * audio driver:
74     - the ALSA audio output driver parameters now reflect the correct
75     parameter value ranges for the respective selected sound card
76     (patch by Till Wimmer, a bit fixed and extended)
77    
78 persson 951 * Gigasampler format engine:
79     - if a filter is used and EG2 finishes before EG1, let the voice
80     die when EG2 has finished (this fixes a problem with clicks and
81     voice starvation for some gigs)
82 persson 1038 - playback is no longer disabled during instrument loading
83     - all notes playing on a channel that changes its instrument keep
84     playing with the old instrument until they get a note off
85     command
86 persson 1039 - EG fix: a release value of zero could cause noises or crash
87 schoenebeck 1041 - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
88 persson 1046 - EG fine tuning: when attack is zero the EG starts at a level
89     above max sustain level, which means that there is a decay phase
90     even if sustain is 100%
91 persson 1147 - more EG fixes: the level could sometimes go below zero and cause
92     noises or crashes
93 schoenebeck 1149 - minor fix of EGDecay (patch by Toshi Nagata)
94 schoenebeck 1181 - fixed compiler error when --enable-override-filter-type was
95     supplied to the configure script (fixes #46)
96 schoenebeck 1321 - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
97     instead of a fix value
98 schoenebeck 1348 - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
99     127 (solo mode) only kill voices if the respective mode really
100     changed
101 persson 951
102 schoenebeck 1244 * LSCP server:
103     - fixed compile time error for old Bison versions
104     (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
105 schoenebeck 1245 - parser now supports extended ASCII character set
106     (up to ASCII code 255, i.e. includes now umlauts and accents)
107     - filename arguments in LSCP commands now allow to use escape
108     sequences, that is directly literal as one of: \', \", \\, \n, \r,
109     \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
110     code value like \xf2) (fixes bug #24)
111 schoenebeck 1252 - returns verbose syntax errors (line and column where syntax error
112     occured, the unexpected character and the actually expected, possible
113     character(s), the latter only if less than 5 possibilities)
114 persson 1349 - made sure that LSCP syntax is not affected by gigedit locale
115     settings
116 schoenebeck 1244
117 iliev 959 * Bug fixes:
118     - fixed crash occurring on certain LSCP scripts (Bug 39)
119 persson 1038 - another thread safety fix for lscp "load engine" and "set
120     channel audio output device"
121 iliev 1283 - fixed a crash which occurs when reassigning the same engine
122     on a sampler channel with connected MIDI device
123 iliev 1295 - fixed a crash which occurs when changing the number of ports of a MIDI
124     device connected to a sampler channel to number less then or equal
125     to the index of the port to which the sampler channel is connected.
126 iliev 1296 - The previous bindings were not been disconnected when altering
127     the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
128     unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
129 iliev 1297 - The active stream/voice count statistic was incorrect.
130 iliev 1298 - notification events were not been sent for some sampler
131     channel changes
132 iliev 1305 - added default min and max values to restrict the number of allowed
133     audio output channels and MIDI input ports
134 iliev 1306 - the connection to the PCM interface is now closed when destroying
135     an audio output device
136 schoenebeck 1332 - files with slash in their path or filename could not be loaded
137 iliev 959
138 schoenebeck 1221 * test cases:
139     - updated and fixed (haven't been touched in a while)
140    
141 schoenebeck 937 Version 0.4.0 (24 November 2006)
142 persson 696
143 schoenebeck 697 * packaging changes:
144 capela 868 - changed deprecated copyright attribute to license; added ldconfig
145     to post-(un)install steps; added devel package for liblinuxsampler;
146     to linuxsampler.spec (RPM)
147 schoenebeck 697 - install necessary development header files for allowing 3rd party
148     applications to link against liblinuxsampler
149     - liblinuxsampler's API documentation can be generated with 'make docs'
150     (Doxygen required)
151 schoenebeck 715 - added benchmark to automatically detect the best triangle LFO
152     implementation (currently either an integer math solution or a
153     di-harmonic approximation), automatic detection can be overriden
154     with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
155     configure script argument though (mandatory for cross-compilation)
156 schoenebeck 829 - do not automatically pick optimized gcc flags if the user already
157     provided some on his own (as CXXFLAGS)
158 schoenebeck 849 - added compile time option to disable processing of All-Notes-Off MIDI
159     messages
160 schoenebeck 852 - added compile time options to allow disabling the various audio and
161     MIDI drivers
162 schoenebeck 909 - fixed automatic GCC CPU switch detection on PPC
163     (patch by Ebrahim Mayat)
164 schoenebeck 697
165 persson 696 * Gigasampler format engine:
166 schoenebeck 738 - extensive synthesis optimization
167     (reimplementation of EGs and LFO(s), removed synthesis parameter
168     prerendering and the synthesis parameter matrix in general, splitting
169     each audio fragment into subfragments now where each subfragment uses
170 persson 830 constant pitch and filter coefficients. The volume coefficient is
171     linearly interpolated inside a subfragment, unless
172     --disable-interpolate-volume is set.)
173 persson 696 - fine tuning of the EG modulation parameters
174 persson 729 - improved filter cutoff calculation by adding support for the
175     following gig parameters: Cutoff freq (used when no cutoff
176     controller is defined), Control invert, Minimum cutoff, Velocity
177 persson 791 curve and Velocity range. The keyboard tracking now scales
178     cutoff frequency instead of resonance.
179 persson 877 - added support for gig parameter Resonance.
180 schoenebeck 775 - fixed bug in sysex handling (patch by Juan Linietsky)
181 schoenebeck 781 - added global volume attenuation of -9 dB (0.35f) to prevent clipping
182     which can be overridden with --enable-global-attenuation
183 persson 783 - EG fixes: made the length of "attack hold" stage more
184     accurate. Release stage can now start before attack stage
185 persson 797 ends. Cancel release didn't work when sustain was zero. Attack
186     time now has a minimal value to prevent clicks.
187 persson 799 - fixed pitch changes larger than one octave
188 schoenebeck 829 - fixed EG3 (pitch envelope) synthesis which was neutral all the time
189     - implemented portamento mode and solo mode (a.k.a 'mono mode'):
190     all modes can be altered via standard GM messages, that is CC5 for
191     altering portamento time, CC65 for enabling / disabling portamento
192     mode, CC126 for enabling solo mode and CC127 for disabling solo mode
193 persson 832 - fine tuning of the curves for volume (CC7), pan (CC10 and gig
194     parameter) and crossfade
195 persson 831 - added support for the "attenuation controller threshold" gig
196     parameter
197 persson 832 - added smoothing of volume changes caused by control change
198     messages
199 persson 865 - sample loop parameters are now taken from the DimensionRegion
200     instead of the wave chunk
201     - fixed keyswitching for v3 gigs with a number of keyswitch splits
202     not equal to a power of two
203 persson 877 - reimplementation of the filter algorithm. The new filter is more
204     accurate and supports all gig filter types, including bandreject
205     and lowpass turbo.
206 persson 903 - real support for 24 bit samples - samples are not truncated to
207     16 bits anymore
208     - support for aftertouch (channel pressure, not polyphonic
209     aftertouch)
210 persson 922 - LFO1 behaviour fixed (dampening from max volume instead of
211     amplifying from 0)
212 persson 696
213 schoenebeck 711 * LSCP server:
214     - fixed application exit on broken pipe error (fixes bug #20)
215 iliev 793 - fixed the notification messages delay due to lack of
216     network activity (fixes bug #26)
217 schoenebeck 826 - fixed parser bug which occured on space(s) within device parameters
218     (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
219 schoenebeck 711
220 schoenebeck 838 * audio driver:
221     - added aRts audio output driver (by no means RT safe)
222    
223 schoenebeck 775 * MIDI driver:
224     - fixed legacy sysex code which caused dispatching of MIDI SysEx
225     messages several times instead of once
226 schoenebeck 906 - API extension for MIDI drivers which already supply exact time stamps
227     for events (i.e. for offline rendering based MIDI drivers)
228 persson 922 - added checks for bad MIDI data
229 schoenebeck 775
230 schoenebeck 900 * linuxsampler application:
231     - show available sampler engine types on startup
232    
233 schoenebeck 705 * general changes:
234     - support for muting sampler channels and solo mode of the same, two new
235     LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new
236     fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were
237     introduced for this, the behavior is the same like on a mixer console
238 iliev 716 (patch by Grigor Iliev, a bit adjusted). Also added configure option
239     --enable-process-muted-channels which can be used to enable the
240     processing of muted channels.
241 iliev 777 - support for sostenuto pedal
242 iliev 779 - support for monitoring the total number of active voices
243 iliev 778 (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX,
244     SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT)
245 persson 835 - fixed some memory management errors
246 persson 841 - fixed some concurrency problems that could lead to crashes when
247     LSCP commands were executed
248 schoenebeck 925 - fixed crash when instrument loading failed previously on the same
249     sampler channel (fixes bug #36)
250 schoenebeck 705
251 schoenebeck 692 Version 0.3.3 (15 July 2005)
252 schoenebeck 686
253     * packaging changes:
254     - fixed compilation with gcc 4.0
255    
256 schoenebeck 687 * Gigasampler format engine:
257     - LFO preprocessing was performed even though the respective LFO was
258     disabled by the instrument patch (minor efficiency fix)
259 schoenebeck 688 - if period time of chosen audio device is too small (< MIN_RELEASE_TIME)
260     for volume ramp downs in the same fragment (needed for current voice
261     stealing implementation) then simply inform the user with a warning
262     about possible click sounds and reduce the volume ramp down
263     appropriately instead of cancelling the audio device connection
264 schoenebeck 687
265 schoenebeck 677 Version 0.3.2 (24 June 2005)
266 schoenebeck 609
267     * packaging changes:
268     - updated autotools build files to compile on OS X
269     (conditional compilation of CoreMIDI and MidiShare drivers)
270 schoenebeck 617 - hand-crafted assembly optimization code can be disabled with
271     './configure --disable-asm' (definitely not recommended)
272 schoenebeck 654 - fixed 'make dist' rule to include all necessary files
273     - require automake (>= 1.5) for 'make -f Makefile.cvs'
274     (due to 'dist-bzip2' automake option)
275 schoenebeck 649
276     * Gigasampler format engine:
277     - support for the gig parameters for "release velocity response" curves
278     - fine tuning of the EGADSR envelope
279     - volume of release triggered samples now depends on note-on velocity,
280     note length and gig parameter "release trigger decay" instead of
281     note-off velocity.
282 schoenebeck 663 - revised voice stealing
283     (fixes crash and endless loop caused by voice stealing)
284 schoenebeck 659 - don't reset scale tuning on instrument or audio output device change
285 schoenebeck 668 - handle key group conflicts right at the beginning of each fragment
286     instead of when the respective voice is actually launched
287     (fixes undefined behavior if stolen voices belonged to a key group -
288     this case was followed by a "killed voice survived" error message)
289 schoenebeck 669 - fixed minor issue with null/silence samples
290     (those stole voices even though they don't need a voice at all which
291     resulted in "voice stealing didn't work out" messages)
292 schoenebeck 670 - don't reset volume, pan, pitch and MIDI controller values on
293     instrument or audio output device change
294 schoenebeck 654
295 schoenebeck 620 * LSCP server:
296 schoenebeck 654 - fixed some crashes (patch by Grigor Iliev, fixes #19)
297 schoenebeck 660 - fixed LSCP event "CHANNEL_INFO" notification
298 schoenebeck 670 (e.g. did not notify on volume changes or MIDI program change events)
299 schoenebeck 609
300 schoenebeck 668 * linuxsampler application:
301     - added command line parameters --lscp-addr and --lscp-port to override
302     default IP address and port of LSCP server
303    
304 schoenebeck 579 Version 0.3.1 (24 May 2005)
305    
306     * initial release

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