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Version CVS HEAD (?) |
Version CVS HEAD (?) |
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* audio driver: |
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- removed the nonsense audio channel constraint (which was hard coded to |
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max. 100 audio channels) for most audio drivers |
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Version 0.5.1 (6 December 2007) |
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* packaging changes: |
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- added autoconf checks for pthread library |
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- added autoconf check for pthread bug found on certain NPTL-enabled |
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glibc versions (see Gentoo bug report #194076) |
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- added autoconf checks for MS Windows |
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* general changes: |
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- bugfix: the thread used by an editor plugin didn't die when the |
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editor closed |
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- bugfix: Ringbuffer.h: fill_write_space_with_null() did not zero |
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out all the space. operator--() did not apply size_mask after |
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decrementing the read_ptr. DEFAULT_WRAP_ELEMENTS set to 0 in |
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order to avoid problems with the _NonVolatileReader functions. |
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- bugfix: Stream.h: added a missing divide by BytesPerSample in |
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GetWriteSpace(). Since this function is currently only used in |
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the stream's qsort() compare function, it didn't trigger any |
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bugs. |
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- Resampler.h, Synthesizer.h: cubic interpolation now works in |
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24bit mode too. Faster method to read 24bit words on little |
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endian machines (x86): replaced 3 byte reads + shifts with a 1 |
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unaligned 32bit read and shift |
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- experimental support for MS Windows (MIDI input via MME, AUDIO |
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output via ASIO) |
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- made handling of SIGINT signal (Ctrl-C) a bit more robust |
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- support for monitoring the total number of active disk streams |
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(new LSCP commands: GET TOTAL_STREAM_COUNT, |
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SUBSCRIBE TOTAL_STREAM_COUNT, UNSUBSCRIBE TOTAL_STREAM_COUNT) |
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* AUDIO driver: |
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- added Windows ASIO low latency audio driver |
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* MIDI driver: |
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- added MME Windows MIDI driver |
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* LSCP server: |
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- added support for Windows style path / filenames, however with |
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forward slash path separators instead of backslash |
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(i.e. "C:/foo/bar.gig") |
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- allow naughty liblscp to send non-string device parameters within |
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apostrophes as well |
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- added new LSCP commands: "GET FILE INSTRUMENTS <file>", |
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"LIST FILE INSTRUMENTS <file>" and |
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"GET FILE INSTRUMENT INFO <file> <index>" for retrieving informations |
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about an arbitrary instrument file on the system where the sampler is |
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running on |
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Version 0.5.0 (15 October 2007) |
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* packaging changes: |
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- config.h is not going to be installed along with liblinuxsampler's |
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API header files anymore |
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- only the API relevant header (and source) files will be exported to |
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the Doxygen API documentation (explicitly listed in Doxyfile.in) |
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- added completely new XCode project files for Mac OSX which is now |
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capable to execute our autoconf environment, thus no need anymore |
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to maintain the compile time configuration file (osx/version.h) for |
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OSX manually (patch by Toshi Nagata) |
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- fixed buggy boolean --enable-foo / --disable-foo configure script |
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parameters |
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- global.h now only covers global definitions that are needed for the |
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C++ API header files, all implementation internal global definitions |
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are now in global_private.h |
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- atomic.h is not exposed to the C++ API anymore |
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- no need to include config.h anymore for using LS's API header files |
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- fixed warnings in API doc generation |
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* general changes: |
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- replaced the old, confusing MIDI program change mechanism by a |
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flexible MIDI instrument mapper which allows to map arbitrary |
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(MIDI bank, MIDI program) pairs with arbitrary |
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(engine type, instrument file, file index) triplets which will be |
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loaded on the respective channel when such MIDI program change |
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messages arrive, beside that, each entry allows to define a life-time |
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strategy for the instrument, so the user can define whether the |
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instrument should i.e. be permanently loaded (to be able to switch |
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quickly among sounds) or i.e. loaded just on demand when the |
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respective program change arrives (to safe RAM space), as well as a |
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global volume factor for each entry, so the user can adjust the volume |
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dynamic of his mapped instrument collection without having to modify |
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the instrument files, also one can manage arbitrary amount of such |
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MIDI instrument maps and assign each sampler channel individually |
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a certain map, so that i.e. separation of normal instruments and |
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drumkits is possible |
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- new notification events for tracking changes to audio/MIDI devices, |
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MIDI instrument maps, MIDI instruments, FX sends, global volume. |
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- sampler was limited to load max. 200 instruments in the background |
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due to a constant size RingBuffer FIFO which is now replaced by a |
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dynamic (unlimited) size std::list FIFO |
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- added FX sends, these allow to route audio signals to arbitrary audio |
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output channels for being processed by external effect processors |
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(i.e. jack-rack), the send levels are controllable via arbitrary MIDI |
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controllers |
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- global (sampler wide) volume can now be controlled at runtime |
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- Implemented new, improved notification system |
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- fixed compilation errors regarding OSX |
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(patch by Toshi Nagata) |
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- implemented instruments database |
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- added support for escape sequences to the instruments database |
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- added highly experimental support for on-the-fly instrument editing |
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within the sampler's process (by using instrument editor plugins), |
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you'll notice the new "Registered instrument editors:" message on |
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startup, added a new LSCP command: |
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"EDIT CHANNEL INSTRUMENT <sampler-channel>" |
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to spawn a matching instrument editor for the instrument on the |
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given sampler channel, the plugin path can be overridden at compile |
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time with ./configure --enable-plugin-dir=/some/dir |
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- added experimental code for synchronizing instrument editors hosted |
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in the sampler's process to safely edit instruments while playing |
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without a crash (hopefully) by either suspending single regions |
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wherever possible or if unavoidable whole engine(s) |
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- fixed several issues in fundamental "Thread" class: set scheduling |
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policy and priority on thread level, set a minimum stack size for |
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thread (TODO: a reasonable value yet to be tested), bugfix: non-RT |
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threads simply inherited properties of starting thread instead of |
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setting their own policy and priority |
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- minor fix in our automatic stack trace mechanism on crashes, the |
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main process did not wait for the stack trace process to finish |
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its output |
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- fixed some minor memory leaks |
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- reenabled assembly features support, at the moment only for |
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enabling a fast denormal FPU mode (x86 platforms supporting SSE2) |
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- minor assembly fix in x86 features detection (don't use the PIC |
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register, to avoid relocations in the text segment at runtime) |
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- POSIX callback functions of Thread.h are hidden |
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* MIDI driver: |
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- dispatch bank select (MSB and LSB) messages |
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* audio driver: |
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- the ALSA audio output driver parameters now reflect the correct |
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parameter value ranges for the respective selected sound card |
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(patch by Till Wimmer, a bit fixed and extended) |
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* Gigasampler format engine: |
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- if a filter is used and EG2 finishes before EG1, let the voice |
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die when EG2 has finished (this fixes a problem with clicks and |
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voice starvation for some gigs) |
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- playback is no longer disabled during instrument loading |
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- all notes playing on a channel that changes its instrument keep |
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playing with the old instrument until they get a note off |
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command |
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- EG fix: a release value of zero could cause noises or crash |
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- handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB) |
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- EG fine tuning: when attack is zero the EG starts at a level |
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above max sustain level, which means that there is a decay phase |
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even if sustain is 100% |
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- more EG fixes: the level could sometimes go below zero and cause |
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noises or crashes |
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- minor fix of EGDecay (patch by Toshi Nagata) |
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- fixed compiler error when --enable-override-filter-type was |
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supplied to the configure script (fixes #46) |
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- disk thread: queue sizes are now proportional to CONFIG_MAX_STREAMS |
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instead of a fix value |
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- behavior fix: on MIDI CC# 65 (portamento on / off), 126 (mono mode), |
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127 (solo mode) only kill voices if the respective mode really |
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changed |
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* LSCP server: |
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- fixed compile time error for old Bison versions |
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(i.e. v1.28 found on MacOS 10.4, patch by Toshi Nagata) |
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- parser now supports extended ASCII character set |
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(up to ASCII code 255, i.e. includes now umlauts and accents) |
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- filename arguments in LSCP commands now allow to use escape |
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sequences, that is directly literal as one of: \', \", \\, \n, \r, |
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\f, \t, \v, or as octal ASCII code value like \132, or as hex ASCII |
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code value like \xf2) (fixes bug #24) |
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- the following LSCP commands now also support escape sequences for at |
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least one of their text-based parameters (i.e. name, description): |
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"ADD MIDI_INSTRUMENT_MAP", "MAP MIDI_INSTRUMENT", |
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"SET MIDI_INSTRUMENT_MAP NAME", "SET FX_SEND NAME", "CREATE FX_SEND", |
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"SET DB_INSTRUMENT_DIRECTORY NAME", |
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"SET DB_INSTRUMENT_DIRECTORY DESCRIPTION", "SET DB_INSTRUMENT NAME", |
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"SET DB_INSTRUMENT DESCRIPTION", "FIND DB_INSTRUMENTS", |
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"FIND DB_INSTRUMENT_DIRECTORIES" |
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- returns verbose syntax errors (line and column where syntax error |
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occured, the unexpected character and the actually expected, possible |
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character(s), the latter only if less than 5 possibilities) |
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- made sure that LSCP syntax is not affected by gigedit locale |
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settings |
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- bugfix regarding strings parameter lists: all comma separated lists |
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of strings were treated as being one string containing commas |
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(fixes #57) |
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* Bug fixes: |
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- fixed crash occurring on certain LSCP scripts (Bug 39) |
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- another thread safety fix for lscp "load engine" and "set |
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channel audio output device" |
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- fixed a crash which occurs when reassigning the same engine |
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on a sampler channel with connected MIDI device |
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- fixed a crash which occurs when changing the number of ports of a MIDI |
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device connected to a sampler channel to number less then or equal |
| 200 |
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to the index of the port to which the sampler channel is connected. |
| 201 |
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- The previous bindings were not been disconnected when altering |
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the ALSA_SEQ_BINDINGS parameter. Introduced a NONE keyword for |
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unsubscribing from all bindings (e.g. ALSA_SEQ_BINDINGS=NONE). |
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- The active stream/voice count statistic was incorrect. |
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- notification events were not been sent for some sampler |
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channel changes |
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- added default min and max values to restrict the number of allowed |
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audio output channels and MIDI input ports |
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- the connection to the PCM interface is now closed when destroying |
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an audio output device |
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- files with slash in their path or filename could not be loaded |
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* test cases: |
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- updated and fixed (haven't been touched in a while) |
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Version 0.4.0 (24 November 2006) |
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* packaging changes: |
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- changed deprecated copyright attribute to license; added ldconfig |
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to post-(un)install steps; added devel package for liblinuxsampler; |
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to linuxsampler.spec (RPM) |
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- install necessary development header files for allowing 3rd party |
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applications to link against liblinuxsampler |
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- liblinuxsampler's API documentation can be generated with 'make docs' |
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(Doxygen required) |
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- added benchmark to automatically detect the best triangle LFO |
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implementation (currently either an integer math solution or a |
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di-harmonic approximation), automatic detection can be overriden |
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with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x |
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configure script argument though (mandatory for cross-compilation) |
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- do not automatically pick optimized gcc flags if the user already |
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provided some on his own (as CXXFLAGS) |
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- added compile time option to disable processing of All-Notes-Off MIDI |
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messages |
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- added compile time options to allow disabling the various audio and |
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MIDI drivers |
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- fixed automatic GCC CPU switch detection on PPC |
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(patch by Ebrahim Mayat) |
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|
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* Gigasampler format engine: |
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- extensive synthesis optimization |
| 242 |
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(reimplementation of EGs and LFO(s), removed synthesis parameter |
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prerendering and the synthesis parameter matrix in general, splitting |
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each audio fragment into subfragments now where each subfragment uses |
| 245 |
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constant pitch and filter coefficients. The volume coefficient is |
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linearly interpolated inside a subfragment, unless |
| 247 |
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--disable-interpolate-volume is set.) |
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- fine tuning of the EG modulation parameters |
| 249 |
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- improved filter cutoff calculation by adding support for the |
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following gig parameters: Cutoff freq (used when no cutoff |
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controller is defined), Control invert, Minimum cutoff, Velocity |
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curve and Velocity range. The keyboard tracking now scales |
| 253 |
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cutoff frequency instead of resonance. |
| 254 |
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- added support for gig parameter Resonance. |
| 255 |
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- fixed bug in sysex handling (patch by Juan Linietsky) |
| 256 |
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- added global volume attenuation of -9 dB (0.35f) to prevent clipping |
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which can be overridden with --enable-global-attenuation |
| 258 |
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- EG fixes: made the length of "attack hold" stage more |
| 259 |
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accurate. Release stage can now start before attack stage |
| 260 |
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ends. Cancel release didn't work when sustain was zero. Attack |
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time now has a minimal value to prevent clicks. |
| 262 |
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- fixed pitch changes larger than one octave |
| 263 |
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- fixed EG3 (pitch envelope) synthesis which was neutral all the time |
| 264 |
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- implemented portamento mode and solo mode (a.k.a 'mono mode'): |
| 265 |
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all modes can be altered via standard GM messages, that is CC5 for |
| 266 |
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altering portamento time, CC65 for enabling / disabling portamento |
| 267 |
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mode, CC126 for enabling solo mode and CC127 for disabling solo mode |
| 268 |
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- fine tuning of the curves for volume (CC7), pan (CC10 and gig |
| 269 |
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parameter) and crossfade |
| 270 |
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- added support for the "attenuation controller threshold" gig |
| 271 |
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parameter |
| 272 |
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- added smoothing of volume changes caused by control change |
| 273 |
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messages |
| 274 |
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- sample loop parameters are now taken from the DimensionRegion |
| 275 |
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instead of the wave chunk |
| 276 |
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- fixed keyswitching for v3 gigs with a number of keyswitch splits |
| 277 |
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not equal to a power of two |
| 278 |
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- reimplementation of the filter algorithm. The new filter is more |
| 279 |
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accurate and supports all gig filter types, including bandreject |
| 280 |
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and lowpass turbo. |
| 281 |
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- real support for 24 bit samples - samples are not truncated to |
| 282 |
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16 bits anymore |
| 283 |
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- support for aftertouch (channel pressure, not polyphonic |
| 284 |
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aftertouch) |
| 285 |
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- LFO1 behaviour fixed (dampening from max volume instead of |
| 286 |
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amplifying from 0) |
| 287 |
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|
| 288 |
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* LSCP server: |
| 289 |
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- fixed application exit on broken pipe error (fixes bug #20) |
| 290 |
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- fixed the notification messages delay due to lack of |
| 291 |
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network activity (fixes bug #26) |
| 292 |
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- fixed parser bug which occured on space(s) within device parameters |
| 293 |
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(e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'") |
| 294 |
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|
| 295 |
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* audio driver: |
| 296 |
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- added aRts audio output driver (by no means RT safe) |
| 297 |
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|
| 298 |
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* MIDI driver: |
| 299 |
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- fixed legacy sysex code which caused dispatching of MIDI SysEx |
| 300 |
|
messages several times instead of once |
| 301 |
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- API extension for MIDI drivers which already supply exact time stamps |
| 302 |
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for events (i.e. for offline rendering based MIDI drivers) |
| 303 |
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- added checks for bad MIDI data |
| 304 |
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|
| 305 |
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* linuxsampler application: |
| 306 |
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- show available sampler engine types on startup |
| 307 |
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|
| 308 |
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* general changes: |
| 309 |
|
- support for muting sampler channels and solo mode of the same, two new |
| 310 |
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LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new |
| 311 |
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fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were |
| 312 |
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introduced for this, the behavior is the same like on a mixer console |
| 313 |
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(patch by Grigor Iliev, a bit adjusted). Also added configure option |
| 314 |
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--enable-process-muted-channels which can be used to enable the |
| 315 |
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processing of muted channels. |
| 316 |
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- support for sostenuto pedal |
| 317 |
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- support for monitoring the total number of active voices |
| 318 |
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(new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX, |
| 319 |
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SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT) |
| 320 |
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- fixed some memory management errors |
| 321 |
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- fixed some concurrency problems that could lead to crashes when |
| 322 |
|
LSCP commands were executed |
| 323 |
|
- fixed crash when instrument loading failed previously on the same |
| 324 |
|
sampler channel (fixes bug #36) |
| 325 |
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|
| 326 |
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Version 0.3.3 (15 July 2005) |
| 327 |
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|
| 328 |
* packaging changes: |
* packaging changes: |
| 329 |
- fixed compilation with gcc 4.0 |
- fixed compilation with gcc 4.0 |
| 330 |
|
|
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Revision Log
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Patch