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Version CVS HEAD (?) |
Version CVS HEAD (?) |
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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 MSB, MIDI bank LSB, MIDI program) triplets 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 |
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* MIDI driver: |
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- dispatch bank select (MSB and LSB) messages |
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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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* Bug fixes: |
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- fixed crash occurring on certain LSCP scripts (Bug 39) |
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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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* Gigasampler format engine: |
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- extensive synthesis optimization |
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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 |
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constant pitch and filter coefficients. The volume coefficient is |
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linearly interpolated inside a subfragment, unless |
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--disable-interpolate-volume is set.) |
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- fine tuning of the EG modulation parameters |
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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 |
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cutoff frequency instead of resonance. |
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- added support for gig parameter Resonance. |
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- fixed bug in sysex handling (patch by Juan Linietsky) |
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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 |
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- EG fixes: made the length of "attack hold" stage more |
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accurate. Release stage can now start before attack stage |
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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. |
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- fixed pitch changes larger than one octave |
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- fixed EG3 (pitch envelope) synthesis which was neutral all the time |
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- implemented portamento mode and solo mode (a.k.a 'mono mode'): |
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all modes can be altered via standard GM messages, that is CC5 for |
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altering portamento time, CC65 for enabling / disabling portamento |
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mode, CC126 for enabling solo mode and CC127 for disabling solo mode |
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- fine tuning of the curves for volume (CC7), pan (CC10 and gig |
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parameter) and crossfade |
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- added support for the "attenuation controller threshold" gig |
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parameter |
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- added smoothing of volume changes caused by control change |
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messages |
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- sample loop parameters are now taken from the DimensionRegion |
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instead of the wave chunk |
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- fixed keyswitching for v3 gigs with a number of keyswitch splits |
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not equal to a power of two |
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- reimplementation of the filter algorithm. The new filter is more |
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accurate and supports all gig filter types, including bandreject |
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and lowpass turbo. |
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- real support for 24 bit samples - samples are not truncated to |
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16 bits anymore |
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- support for aftertouch (channel pressure, not polyphonic |
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aftertouch) |
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- LFO1 behaviour fixed (dampening from max volume instead of |
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amplifying from 0) |
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* LSCP server: |
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- fixed application exit on broken pipe error (fixes bug #20) |
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- fixed the notification messages delay due to lack of |
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network activity (fixes bug #26) |
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- fixed parser bug which occured on space(s) within device parameters |
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(e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'") |
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* audio driver: |
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- added aRts audio output driver (by no means RT safe) |
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* MIDI driver: |
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- fixed legacy sysex code which caused dispatching of MIDI SysEx |
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messages several times instead of once |
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- API extension for MIDI drivers which already supply exact time stamps |
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for events (i.e. for offline rendering based MIDI drivers) |
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- added checks for bad MIDI data |
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* linuxsampler application: |
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- show available sampler engine types on startup |
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* general changes: |
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- support for muting sampler channels and solo mode of the same, two new |
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LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new |
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fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were |
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introduced for this, the behavior is the same like on a mixer console |
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(patch by Grigor Iliev, a bit adjusted). Also added configure option |
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--enable-process-muted-channels which can be used to enable the |
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processing of muted channels. |
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- support for sostenuto pedal |
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- support for monitoring the total number of active voices |
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(new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX, |
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SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT) |
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- fixed some memory management errors |
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- fixed some concurrency problems that could lead to crashes when |
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LSCP commands were executed |
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- fixed crash when instrument loading failed previously on the same |
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sampler channel (fixes bug #36) |
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Version 0.3.3 (15 July 2005) |
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* packaging changes: |
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- fixed compilation with gcc 4.0 |
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* Gigasampler format engine: |
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- LFO preprocessing was performed even though the respective LFO was |
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disabled by the instrument patch (minor efficiency fix) |
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- if period time of chosen audio device is too small (< MIN_RELEASE_TIME) |
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for volume ramp downs in the same fragment (needed for current voice |
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stealing implementation) then simply inform the user with a warning |
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about possible click sounds and reduce the volume ramp down |
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appropriately instead of cancelling the audio device connection |
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Version 0.3.2 (24 June 2005) |
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* packaging changes: |
* packaging changes: |
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- updated autotools build files to compile on OS X |
- updated autotools build files to compile on OS X |
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(conditional compilation of CoreMIDI and MidiShare drivers) |
(conditional compilation of CoreMIDI and MidiShare drivers) |
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- volume of release triggered samples now depends on note-on velocity, |
- volume of release triggered samples now depends on note-on velocity, |
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note length and gig parameter "release trigger decay" instead of |
note length and gig parameter "release trigger decay" instead of |
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note-off velocity. |
note-off velocity. |
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- revised voice stealing (fixes crash caused by voice stealing) |
- revised voice stealing |
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(fixes crash and endless loop caused by voice stealing) |
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- don't reset scale tuning on instrument or audio output device change |
- don't reset scale tuning on instrument or audio output device change |
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- handle key group conflicts right at the beginning of each fragment |
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instead of when the respective voice is actually launched |
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(fixes undefined behavior if stolen voices belonged to a key group - |
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this case was followed by a "killed voice survived" error message) |
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- fixed minor issue with null/silence samples |
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(those stole voices even though they don't need a voice at all which |
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resulted in "voice stealing didn't work out" messages) |
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- don't reset volume, pan, pitch and MIDI controller values on |
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instrument or audio output device change |
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* LSCP server: |
* LSCP server: |
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- fixed some crashes (patch by Grigor Iliev, fixes #19) |
- fixed some crashes (patch by Grigor Iliev, fixes #19) |
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- fixed LSCP event "CHANNEL_INFO" notification |
- fixed LSCP event "CHANNEL_INFO" notification |
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(e.g. did not notify on volume changes) |
(e.g. did not notify on volume changes or MIDI program change events) |
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* linuxsampler application: |
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- added command line parameters --lscp-addr and --lscp-port to override |
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default IP address and port of LSCP server |
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Version 0.3.1 (24 May 2005) |
Version 0.3.1 (24 May 2005) |
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