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revision 775 by schoenebeck, Wed Sep 21 14:30:43 2005 UTC revision 1560 by schoenebeck, Thu Dec 6 17:19:16 2007 UTC
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1  Version CVS HEAD (?)  Version 0.5.1 (6 December 2007)
3    * packaging changes:    * packaging changes:
4        - added autoconf checks for pthread library
5        - added autoconf check for pthread bug found on certain NPTL-enabled
6          glibc versions (see Gentoo bug report #194076)
7        - added autoconf checks for MS Windows
9      * general changes:
10        - bugfix: the thread used by an editor plugin didn't die when the
11          editor closed
12        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
13          out all the space. operator--() did not apply size_mask after
14          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
15          order to avoid problems with the _NonVolatileReader functions.
16        - bugfix: Stream.h: added a missing divide by BytesPerSample in
17          GetWriteSpace(). Since this function is currently only used in
18          the stream's qsort() compare function, it didn't trigger any
19          bugs.
20        - Resampler.h, Synthesizer.h: cubic interpolation now works in
21          24bit mode too. Faster method to read 24bit words on little
22          endian machines (x86): replaced 3 byte reads + shifts with a 1
23          unaligned 32bit read and shift
24        - experimental support for MS Windows (MIDI input via MME, AUDIO
25          output via ASIO)
26        - made handling of SIGINT signal (Ctrl-C) a bit more robust
27        - support for monitoring the total number of active disk streams
28          (new LSCP commands: GET TOTAL_STREAM_COUNT,
31      * AUDIO driver:
32        - added Windows ASIO low latency audio driver
34      * MIDI driver:
35        - added MME Windows MIDI driver
37      * LSCP server:
38        - added support for Windows style path / filenames, however with
39          forward slash path separators instead of backslash
40          (i.e. "C:/foo/bar.gig")
41        - allow naughty liblscp to send non-string device parameters within
42          apostrophes as well
43        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
44          "LIST FILE INSTRUMENTS <file>" and
45          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
46          about an arbitrary instrument file on the system where the sampler is
47          running on
49    Version 0.5.0 (15 October 2007)
51      * packaging changes:
52        - config.h is not going to be installed along with liblinuxsampler's
53          API header files anymore
54        - only the API relevant header (and source) files will be exported to
55          the Doxygen API documentation (explicitly listed in Doxyfile.in)
56        - added completely new XCode project files for Mac OSX which is now
57          capable to execute our autoconf environment, thus no need anymore
58          to maintain the compile time configuration file (osx/version.h) for
59          OSX manually (patch by Toshi Nagata)
60        - fixed buggy boolean --enable-foo / --disable-foo configure script
61          parameters
62        - global.h now only covers global definitions that are needed for the
63          C++ API header files, all implementation internal global definitions
64          are now in global_private.h
65        - atomic.h is not exposed to the C++ API anymore
66        - no need to include config.h anymore for using LS's API header files
67        - fixed warnings in API doc generation
69      * general changes:
70        - replaced the old, confusing MIDI program change mechanism by a
71          flexible MIDI instrument mapper which allows to map arbitrary
72          (MIDI bank, MIDI program) pairs with arbitrary
73          (engine type, instrument file, file index) triplets which will be
74          loaded on the respective channel when such MIDI program change
75          messages arrive, beside that, each entry allows to define a life-time
76          strategy for the instrument, so the user can define whether the
77          instrument should i.e. be permanently loaded (to be able to switch
78          quickly among sounds) or i.e. loaded just on demand when the
79          respective program change arrives (to safe RAM space), as well as a
80          global volume factor for each entry, so the user can adjust the volume
81          dynamic of his mapped instrument collection without having to modify
82          the instrument files, also one can manage arbitrary amount of such
83          MIDI instrument maps and assign each sampler channel individually
84          a certain map, so that i.e. separation of normal instruments and
85          drumkits is possible
86        - new notification events for tracking changes to audio/MIDI devices,
87          MIDI instrument maps, MIDI instruments, FX sends, global volume.
88        - sampler was limited to load max. 200 instruments in the background
89          due to a constant size RingBuffer FIFO which is now replaced by a
90          dynamic (unlimited) size std::list FIFO
91        - added FX sends, these allow to route audio signals to arbitrary audio
92          output channels for being processed by external effect processors
93          (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
94          controllers
95        - global (sampler wide) volume can now be controlled at runtime
96        - Implemented new, improved notification system
97        - fixed compilation errors regarding OSX
98          (patch by Toshi Nagata)
99        - implemented instruments database
100        - added support for escape sequences to the instruments database
101        - added highly experimental support for on-the-fly instrument editing
102          within the sampler's process (by using instrument editor plugins),
103          you'll notice the new "Registered instrument editors:" message on
104          startup, added a new LSCP command:
105          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
106          to spawn a matching instrument editor for the instrument on the
107          given sampler channel, the plugin path can be overridden at compile
108          time with ./configure --enable-plugin-dir=/some/dir
109        - added experimental code for synchronizing instrument editors hosted
110          in the sampler's process to safely edit instruments while playing
111          without a crash (hopefully) by either suspending single regions
112          wherever possible or if unavoidable whole engine(s)
113        - fixed several issues in fundamental "Thread" class: set scheduling
114          policy and priority on thread level, set a minimum stack size for
115          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
116          threads simply inherited properties of starting thread instead of
117          setting their own policy and priority
118        - minor fix in our automatic stack trace mechanism on crashes, the
119          main process did not wait for the stack trace process to finish
120          its output
121        - fixed some minor memory leaks
122        - reenabled assembly features support, at the moment only for
123          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
124        - minor assembly fix in x86 features detection (don't use the PIC
125          register, to avoid relocations in the text segment at runtime)
126        - POSIX callback functions of Thread.h are hidden
128      * MIDI driver:
129        - dispatch bank select (MSB and LSB) messages
131      * audio driver:
132        - the ALSA audio output driver parameters now reflect the correct
133          parameter value ranges for the respective selected sound card
134          (patch by Till Wimmer, a bit fixed and extended)
136      * Gigasampler format engine:
137        - if a filter is used and EG2 finishes before EG1, let the voice
138          die when EG2 has finished (this fixes a problem with clicks and
139          voice starvation for some gigs)
140        - playback is no longer disabled during instrument loading
141        - all notes playing on a channel that changes its instrument keep
142          playing with the old instrument until they get a note off
143          command
144        - EG fix: a release value of zero could cause noises or crash
145        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
146        - EG fine tuning: when attack is zero the EG starts at a level
147          above max sustain level, which means that there is a decay phase
148          even if sustain is 100%
149        - more EG fixes: the level could sometimes go below zero and cause
150          noises or crashes
151        - minor fix of EGDecay (patch by Toshi Nagata)
152        - fixed compiler error when --enable-override-filter-type was
153          supplied to the configure script (fixes #46)
154        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
155          instead of a fix value
156        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
157          127 (solo mode) only kill voices if the respective mode really
158          changed
160      * LSCP server:
161        - fixed compile time error for old Bison versions
162          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
163        - parser now supports extended ASCII character set
164          (up to ASCII code 255, i.e. includes now umlauts and accents)
165        - filename arguments in LSCP commands now allow to use escape
166          sequences, that is directly literal as one of: \', \", \\, \n, \r,
167          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
168          code value like \xf2) (fixes bug #24)
169        - the following LSCP commands now also support escape sequences for at
170          least one of their text-based parameters (i.e. name, description):
177        - returns verbose syntax errors (line and column where syntax error
178          occured, the unexpected character and the actually expected, possible
179          character(s), the latter only if less than 5 possibilities)
180        - made sure that LSCP syntax is not affected by gigedit locale
181          settings
182        - bugfix regarding strings parameter lists: all comma separated lists
183          of strings were treated as being one string containing commas
184          (fixes #57)
186      * Bug fixes:
187        - fixed crash occurring on certain LSCP scripts (Bug 39)
188        - another thread safety fix for lscp "load engine" and "set
189          channel audio output device"
190        - fixed a crash which occurs when reassigning the same engine
191          on a sampler channel with connected MIDI device
192        - fixed a crash which occurs when changing the number of ports of a MIDI
193          device connected to a sampler channel to number less then or equal
194          to the index of the port to which the sampler channel is connected.
195        - The previous bindings were not been disconnected when altering
196          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
197          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
198        - The active stream/voice count statistic was incorrect.
199        - notification events were not been sent for some sampler
200          channel changes
201        - added default min and max values to restrict the number of allowed
202          audio output channels and MIDI input ports
203        - the connection to the PCM interface is now closed when destroying
204          an audio output device
205        - files with slash in their path or filename could not be loaded
207      * test cases:
208        - updated and fixed (haven't been touched in a while)
210    Version 0.4.0 (24 November 2006)
212      * packaging changes:
213        - changed deprecated copyright attribute to license; added ldconfig
214          to post-(un)install steps; added devel package for liblinuxsampler;
215          to linuxsampler.spec (RPM)
216      - install necessary development header files for allowing 3rd party      - install necessary development header files for allowing 3rd party
217        applications to link against liblinuxsampler        applications to link against liblinuxsampler
218      - liblinuxsampler's API documentation can be generated with 'make docs'      - liblinuxsampler's API documentation can be generated with 'make docs'
# Line 10  Version CVS HEAD (?) Line 222  Version CVS HEAD (?)
222        di-harmonic approximation), automatic detection can be overriden        di-harmonic approximation), automatic detection can be overriden
223        with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x        with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x
224        configure script argument though (mandatory for cross-compilation)        configure script argument though (mandatory for cross-compilation)
225        - do not automatically pick optimized gcc flags if the user already
226          provided some on his own (as CXXFLAGS)
227        - added compile time option to disable processing of All-Notes-Off MIDI
228          messages
229        - added compile time options to allow disabling the various audio and
230          MIDI drivers
231        - fixed automatic GCC CPU switch detection on PPC
232          (patch by Ebrahim Mayat)
234    * Gigasampler format engine:    * Gigasampler format engine:
235      - extensive synthesis optimization      - extensive synthesis optimization
236        (reimplementation of EGs and LFO(s), removed synthesis parameter        (reimplementation of EGs and LFO(s), removed synthesis parameter
237        prerendering and the synthesis parameter matrix in general, splitting        prerendering and the synthesis parameter matrix in general, splitting
238        each audio fragment into subfragments now where each subfragment uses        each audio fragment into subfragments now where each subfragment uses
239        constant synthesis parameters - that is volume, pitch and filter        constant pitch and filter coefficients. The volume coefficient is
240        coefficients)        linearly interpolated inside a subfragment, unless
241          --disable-interpolate-volume is set.)
242      - fine tuning of the EG modulation parameters      - fine tuning of the EG modulation parameters
243      - improved filter cutoff calculation by adding support for the      - improved filter cutoff calculation by adding support for the
244        following gig parameters: Cutoff freq (used when no cutoff        following gig parameters: Cutoff freq (used when no cutoff
245        controller is defined), Control invert, Minimum cutoff, Velocity        controller is defined), Control invert, Minimum cutoff, Velocity
246        curve and Velocity range. The keyboard tracking now also scales        curve and Velocity range. The keyboard tracking now scales
247        cutoff frequency, not just resonance.        cutoff frequency instead of resonance.
248        - added support for gig parameter Resonance.
249      - fixed bug in sysex handling (patch by Juan Linietsky)      - fixed bug in sysex handling (patch by Juan Linietsky)
250        - added global volume attenuation of -9 dB (0.35f) to prevent clipping
251          which can be overridden with --enable-global-attenuation
252        - EG fixes: made the length of "attack hold" stage more
253          accurate. Release stage can now start before attack stage
254          ends. Cancel release didn't work when sustain was zero. Attack
255          time now has a minimal value to prevent clicks.
256        - fixed pitch changes larger than one octave
257        - fixed EG3 (pitch envelope) synthesis which was neutral all the time
258        - implemented portamento mode and solo mode (a.k.a 'mono mode'):
259          all modes can be altered via standard GM messages, that is CC5 for
260          altering portamento time, CC65 for enabling / disabling portamento
261          mode, CC126 for enabling solo mode and CC127 for disabling solo mode
262        - fine tuning of the curves for volume (CC7), pan (CC10 and gig
263          parameter) and crossfade
264        - added support for the "attenuation controller threshold" gig
265          parameter
266        - added smoothing of volume changes caused by control change
267          messages
268        - sample loop parameters are now taken from the DimensionRegion
269          instead of the wave chunk
270        - fixed keyswitching for v3 gigs with a number of keyswitch splits
271          not equal to a power of two
272        - reimplementation of the filter algorithm. The new filter is more
273          accurate and supports all gig filter types, including bandreject
274          and lowpass turbo.
275        - real support for 24 bit samples - samples are not truncated to
276          16 bits anymore
277        - support for aftertouch (channel pressure, not polyphonic
278          aftertouch)
279        - LFO1 behaviour fixed (dampening from max volume instead of
280          amplifying from 0)
282    * LSCP server:    * LSCP server:
283      - fixed application exit on broken pipe error (fixes bug #20)      - fixed application exit on broken pipe error (fixes bug #20)
284        - fixed the notification messages delay due to lack of
285          network activity (fixes bug #26)
286        - fixed parser bug which occured on space(s) within device parameters
287          (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'")
289      * audio driver:
290        - added aRts audio output driver (by no means RT safe)
292    * MIDI driver:    * MIDI driver:
293      - fixed legacy sysex code which caused dispatching of MIDI SysEx      - fixed legacy sysex code which caused dispatching of MIDI SysEx
294        messages several times instead of once        messages several times instead of once
295        - API extension for MIDI drivers which already supply exact time stamps
296          for events (i.e. for offline rendering based MIDI drivers)
297        - added checks for bad MIDI data
299      * linuxsampler application:
300        - show available sampler engine types on startup
302    * general changes:    * general changes:
303      - support for muting sampler channels and solo mode of the same, two new      - support for muting sampler channels and solo mode of the same, two new
# Line 41  Version CVS HEAD (?) Line 307  Version CVS HEAD (?)
307        (patch by Grigor Iliev, a bit adjusted). Also added configure option        (patch by Grigor Iliev, a bit adjusted). Also added configure option
308        --enable-process-muted-channels which can be used to enable the        --enable-process-muted-channels which can be used to enable the
309        processing of muted channels.        processing of muted channels.
310        - support for sostenuto pedal
311        - support for monitoring the total number of active voices
314        - fixed some memory management errors
315        - fixed some concurrency problems that could lead to crashes when
316          LSCP commands were executed
317        - fixed crash when instrument loading failed previously on the same
318          sampler channel (fixes bug #36)
320  Version 0.3.3 (15 July 2005)  Version 0.3.3 (15 July 2005)

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