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revision 1005 by schoenebeck, Fri Dec 29 20:06:14 2006 UTC revision 1607 by schoenebeck, Mon Dec 31 19:03:31 2007 UTC
# Line 1  Line 1 
1  Version CVS HEAD (?)  Version CVS HEAD (?)
2    
3    * general changes:    * general changes:
4        - bugfix: on some POSIX systems instrument editor plugins refused to
5          load as we used a non-portable Linux specific struct field
6          (fixes bug #70, patch by Ronald Baljeu)
7        - fixed endless loop which occured when loading an instrument editor
8          plugin DLL on Windows systems failed
9    
10      * audio driver:
11        - removed the nonsense audio channel constraint (which was hard coded to
12          max. 100 audio channels) for most audio drivers
13        - JACK audio driver did not offer a device parameter "SAMPLERATE" as
14          opposed to the LSCP specs
15        - bugfix: the SAMPLERATE parameter of some drivers (e.g. JACK)
16          reflected the wrong value
17    
18      * instruments database:
19        - avoid time consuming samples scanning when adding instruments
20          to the instruments database
21    
22    Version 0.5.1 (6 December 2007)
23    
24      * packaging changes:
25        - added autoconf checks for pthread library
26        - added autoconf check for pthread bug found on certain NPTL-enabled
27          glibc versions (see Gentoo bug report #194076)
28        - added autoconf checks for MS Windows
29    
30      * general changes:
31        - bugfix: the thread used by an editor plugin didn't die when the
32          editor closed
33        - bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero
34          out all the space. operator--() did not apply size_mask after
35          decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in
36          order to avoid problems with the _NonVolatileReader functions.
37        - bugfix: Stream.h: added a missing divide by BytesPerSample in
38          GetWriteSpace(). Since this function is currently only used in
39          the stream's qsort() compare function, it didn't trigger any
40          bugs.
41        - Resampler.h, Synthesizer.h: cubic interpolation now works in
42          24bit mode too. Faster method to read 24bit words on little
43          endian machines (x86): replaced 3 byte reads + shifts with a 1
44          unaligned 32bit read and shift
45        - experimental support for MS Windows (MIDI input via MME, AUDIO
46          output via ASIO)
47        - made handling of SIGINT signal (Ctrl-C) a bit more robust
48        - support for monitoring the total number of active disk streams
49          (new LSCP commands: GET TOTAL_STREAM_COUNT,
50          SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT)
51    
52      * AUDIO driver:
53        - added Windows ASIO low latency audio driver
54    
55      * MIDI driver:
56        - added MME Windows MIDI driver
57    
58      * LSCP server:
59        - added support for Windows style path / filenames, however with
60          forward slash path separators instead of backslash
61          (i.e. "C:/foo/bar.gig")
62        - allow naughty liblscp to send non-string device parameters within
63          apostrophes as well
64        - added new LSCP commands: "GET FILE INSTRUMENTS <file>",
65          "LIST FILE INSTRUMENTS <file>" and
66          "GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations
67          about an arbitrary instrument file on the system where the sampler is
68          running on
69    
70    Version 0.5.0 (15 October 2007)
71    
72      * packaging changes:
73        - config.h is not going to be installed along with liblinuxsampler's
74          API header files anymore
75        - only the API relevant header (and source) files will be exported to
76          the Doxygen API documentation (explicitly listed in Doxyfile.in)
77        - added completely new XCode project files for Mac OSX which is now
78          capable to execute our autoconf environment, thus no need anymore
79          to maintain the compile time configuration file (osx/version.h) for
80          OSX manually (patch by Toshi Nagata)
81        - fixed buggy boolean --enable-foo / --disable-foo configure script
82          parameters
83        - global.h now only covers global definitions that are needed for the
84          C++ API header files, all implementation internal global definitions
85          are now in global_private.h
86        - atomic.h is not exposed to the C++ API anymore
87        - no need to include config.h anymore for using LS's API header files
88        - fixed warnings in API doc generation
89    
90      * general changes:
91      - replaced the old, confusing MIDI program change mechanism by a      - replaced the old, confusing MIDI program change mechanism by a
92        flexible MIDI instrument mapper which allows to map arbitrary        flexible MIDI instrument mapper which allows to map arbitrary
93        (MIDI bank, MIDI program) pairs with arbitrary        (MIDI bank, MIDI program) pairs with arbitrary
# Line 17  Version CVS HEAD (?) Line 104  Version CVS HEAD (?)
104        MIDI instrument maps and assign each sampler channel individually        MIDI instrument maps and assign each sampler channel individually
105        a certain map, so that i.e. separation of normal instruments and        a certain map, so that i.e. separation of normal instruments and
106        drumkits is possible        drumkits is possible
107      - new notification events for tracking audio/MIDI device changes,      - new notification events for tracking changes to audio/MIDI devices,
108        MIDI instrument map changes and MIDI instrument changes        MIDI instrument maps, MIDI instruments, FX sends, global volume.
109      - sampler was limited to load max. 200 instruments in the background      - sampler was limited to load max. 200 instruments in the background
110        due to a constant size RingBuffer FIFO which is now replaced by a        due to a constant size RingBuffer FIFO which is now replaced by a
111        dynamic (unlimited) size std::list FIFO        dynamic (unlimited) size std::list FIFO
# Line 27  Version CVS HEAD (?) Line 114  Version CVS HEAD (?)
114        (i.e. jack-rack), the send levels are controllable via arbitrary MIDI        (i.e. jack-rack), the send levels are controllable via arbitrary MIDI
115        controllers        controllers
116      - global (sampler wide) volume can now be controlled at runtime      - global (sampler wide) volume can now be controlled at runtime
117        - Implemented new, improved notification system
118        - fixed compilation errors regarding OSX
119          (patch by Toshi Nagata)
120        - implemented instruments database
121        - added support for escape sequences to the instruments database
122        - added highly experimental support for on-the-fly instrument editing
123          within the sampler's process (by using instrument editor plugins),
124          you'll notice the new "Registered instrument editors:" message on
125          startup, added a new LSCP command:
126          "EDIT CHANNEL INSTRUMENT <sampler-channel>"
127          to spawn a matching instrument editor for the instrument on the
128          given sampler channel, the plugin path can be overridden at compile
129          time with ./configure --enable-plugin-dir=/some/dir
130        - added experimental code for synchronizing instrument editors hosted
131          in the sampler's process to safely edit instruments while playing
132          without a crash (hopefully) by either suspending single regions
133          wherever possible or if unavoidable whole engine(s)
134        - fixed several issues in fundamental "Thread" class: set scheduling
135          policy and priority on thread level, set a minimum stack size for
136          thread (TODO: a reasonable value yet to be tested), bugfix: non-RT
137          threads simply inherited properties of starting thread instead of
138          setting their own policy and priority
139        - minor fix in our automatic stack trace mechanism on crashes, the
140          main process did not wait for the stack trace process to finish
141          its output
142        - fixed some minor memory leaks
143        - reenabled assembly features support, at the moment only for
144          enabling a fast denormal FPU mode (x86 platforms supporting SSE2)
145        - minor assembly fix in x86 features detection (don't use the PIC
146          register, to avoid relocations in the text segment at runtime)
147        - POSIX callback functions of Thread.h are hidden
148    
149    * MIDI driver:    * MIDI driver:
150      - dispatch bank select (MSB and LSB) messages      - dispatch bank select (MSB and LSB) messages
151    
152      * audio driver:
153        - the ALSA audio output driver parameters now reflect the correct
154          parameter value ranges for the respective selected sound card
155          (patch by Till Wimmer, a bit fixed and extended)
156    
157    * Gigasampler format engine:    * Gigasampler format engine:
158      - if a filter is used and EG2 finishes before EG1, let the voice      - if a filter is used and EG2 finishes before EG1, let the voice
159        die when EG2 has finished (this fixes a problem with clicks and        die when EG2 has finished (this fixes a problem with clicks and
160        voice starvation for some gigs)        voice starvation for some gigs)
161        - playback is no longer disabled during instrument loading
162        - all notes playing on a channel that changes its instrument keep
163          playing with the old instrument until they get a note off
164          command
165        - EG fix: a release value of zero could cause noises or crash
166        - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB)
167        - EG fine tuning: when attack is zero the EG starts at a level
168          above max sustain level, which means that there is a decay phase
169          even if sustain is 100%
170        - more EG fixes: the level could sometimes go below zero and cause
171          noises or crashes
172        - minor fix of EGDecay (patch by Toshi Nagata)
173        - fixed compiler error when --enable-override-filter-type was
174          supplied to the configure script (fixes #46)
175        - disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS
176          instead of a fix value
177        - behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode),
178          127 (solo mode) only kill voices if the respective mode really
179          changed
180    
181      * LSCP server:
182        - fixed compile time error for old Bison versions
183          (i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata)
184        - parser now supports extended ASCII character set
185          (up to ASCII code 255, i.e. includes now umlauts and accents)
186        - filename arguments in LSCP commands now allow to use escape
187          sequences, that is directly literal as one of: \', \", \\, \n, \r,
188          \f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII
189          code value like \xf2) (fixes bug #24)
190        - the following LSCP commands now also support escape sequences for at
191          least one of their text-based parameters (i.e. name, description):
192          "ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT",
193          "SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND",
194          "SET DB_INSTRUMENT_DIRECTORY NAME",
195          "SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME",
196          "SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS",
197          "FIND DB_INSTRUMENT_DIRECTORIES"
198        - returns verbose syntax errors (line and column where syntax error
199          occured, the unexpected character and the actually expected, possible
200          character(s), the latter only if less than 5 possibilities)
201        - made sure that LSCP syntax is not affected by gigedit locale
202          settings
203        - bugfix regarding strings parameter lists: all comma separated lists
204          of strings were treated as being one string containing commas
205          (fixes #57)
206    
207    * Bug fixes:    * Bug fixes:
208      - fixed crash occurring on certain LSCP scripts (Bug 39)      - fixed crash occurring on certain LSCP scripts (Bug 39)
209        - another thread safety fix for lscp "load engine" and "set
210          channel audio output device"
211        - fixed a crash which occurs when reassigning the same engine
212          on a sampler channel with connected MIDI device
213        - fixed a crash which occurs when changing the number of ports of a MIDI
214          device connected to a sampler channel to number less then or equal
215          to the index of the port to which the sampler channel is connected.
216        - The previous bindings were not been disconnected when altering
217          the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for
218          unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE).
219        - The active stream/voice count statistic was incorrect.
220        - notification events were not been sent for some sampler
221          channel changes
222        - added default min and max values to restrict the number of allowed
223          audio output channels and MIDI input ports
224        - the connection to the PCM interface is now closed when destroying
225          an audio output device
226        - files with slash in their path or filename could not be loaded
227    
228      * test cases:
229        - updated and fixed (haven't been touched in a while)
230    
231  Version 0.4.0 (24 November 2006)  Version 0.4.0 (24 November 2006)
232    

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