--- linuxsampler/trunk/ChangeLog 2005/07/23 21:57:36 715 +++ linuxsampler/trunk/ChangeLog 2007/04/07 22:32:47 1149 @@ -1,6 +1,76 @@ Version CVS HEAD (?) * packaging changes: + - only the API relevant header (and source) files will be exported to + the Doxygen API documentation (explicitly listed in Doxyfile.in) + + * general changes: + - replaced the old, confusing MIDI program change mechanism by a + flexible MIDI instrument mapper which allows to map arbitrary + (MIDI bank, MIDI program) pairs with arbitrary + (engine type, instrument file, file index) triplets which will be + loaded on the respective channel when such MIDI program change + messages arrive, beside that, each entry allows to define a life-time + strategy for the instrument, so the user can define whether the + instrument should i.e. be permanently loaded (to be able to switch + quickly among sounds) or i.e. loaded just on demand when the + respective program change arrives (to safe RAM space), as well as a + global volume factor for each entry, so the user can adjust the volume + dynamic of his mapped instrument collection without having to modify + the instrument files, also one can manage arbitrary amount of such + MIDI instrument maps and assign each sampler channel individually + a certain map, so that i.e. separation of normal instruments and + drumkits is possible + - new notification events for tracking changes to audio/MIDI devices, + MIDI instrument maps, MIDI instruments, FX sends, global volume. + - sampler was limited to load max. 200 instruments in the background + due to a constant size RingBuffer FIFO which is now replaced by a + dynamic (unlimited) size std::list FIFO + - added FX sends, these allow to route audio signals to arbitrary audio + output channels for being processed by external effect processors + (i.e. jack-rack), the send levels are controllable via arbitrary MIDI + controllers + - global (sampler wide) volume can now be controlled at runtime + - Implemented new, improved notification system + - fixed compilation errors regarding OSX + (patch by Toshi Nagata) + + * MIDI driver: + - dispatch bank select (MSB and LSB) messages + + * audio driver: + - the ALSA audio output driver parameters now reflect the correct + parameter value ranges for the respective selected sound card + (patch by Till Wimmer, a bit fixed and extended) + + * Gigasampler format engine: + - if a filter is used and EG2 finishes before EG1, let the voice + die when EG2 has finished (this fixes a problem with clicks and + voice starvation for some gigs) + - playback is no longer disabled during instrument loading + - all notes playing on a channel that changes its instrument keep + playing with the old instrument until they get a note off + command + - EG fix: a release value of zero could cause noises or crash + - handle MIDI coarse tuning messages (MIDI RPN #0 MSB #2 LSB) + - EG fine tuning: when attack is zero the EG starts at a level + above max sustain level, which means that there is a decay phase + even if sustain is 100% + - more EG fixes: the level could sometimes go below zero and cause + noises or crashes + - minor fix of EGDecay (patch by Toshi Nagata) + + * Bug fixes: + - fixed crash occurring on certain LSCP scripts (Bug 39) + - another thread safety fix for lscp "load engine" and "set + channel audio output device" + +Version 0.4.0 (24 November 2006) + + * packaging changes: + - changed deprecated copyright attribute to license; added ldconfig + to post-(un)install steps; added devel package for liblinuxsampler; + to linuxsampler.spec (RPM) - install necessary development header files for allowing 3rd party applications to link against liblinuxsampler - liblinuxsampler's API documentation can be generated with 'make docs' @@ -10,19 +80,100 @@ di-harmonic approximation), automatic detection can be overriden with --enable-signed-triang-algo=x and --enable-unsigned-triang-algo=x configure script argument though (mandatory for cross-compilation) + - do not automatically pick optimized gcc flags if the user already + provided some on his own (as CXXFLAGS) + - added compile time option to disable processing of All-Notes-Off MIDI + messages + - added compile time options to allow disabling the various audio and + MIDI drivers + - fixed automatic GCC CPU switch detection on PPC + (patch by Ebrahim Mayat) * Gigasampler format engine: + - extensive synthesis optimization + (reimplementation of EGs and LFO(s), removed synthesis parameter + prerendering and the synthesis parameter matrix in general, splitting + each audio fragment into subfragments now where each subfragment uses + constant pitch and filter coefficients. The volume coefficient is + linearly interpolated inside a subfragment, unless + --disable-interpolate-volume is set.) - fine tuning of the EG modulation parameters + - improved filter cutoff calculation by adding support for the + following gig parameters: Cutoff freq (used when no cutoff + controller is defined), Control invert, Minimum cutoff, Velocity + curve and Velocity range. The keyboard tracking now scales + cutoff frequency instead of resonance. + - added support for gig parameter Resonance. + - fixed bug in sysex handling (patch by Juan Linietsky) + - added global volume attenuation of -9 dB (0.35f) to prevent clipping + which can be overridden with --enable-global-attenuation + - EG fixes: made the length of "attack hold" stage more + accurate. Release stage can now start before attack stage + ends. Cancel release didn't work when sustain was zero. Attack + time now has a minimal value to prevent clicks. + - fixed pitch changes larger than one octave + - fixed EG3 (pitch envelope) synthesis which was neutral all the time + - implemented portamento mode and solo mode (a.k.a 'mono mode'): + all modes can be altered via standard GM messages, that is CC5 for + altering portamento time, CC65 for enabling / disabling portamento + mode, CC126 for enabling solo mode and CC127 for disabling solo mode + - fine tuning of the curves for volume (CC7), pan (CC10 and gig + parameter) and crossfade + - added support for the "attenuation controller threshold" gig + parameter + - added smoothing of volume changes caused by control change + messages + - sample loop parameters are now taken from the DimensionRegion + instead of the wave chunk + - fixed keyswitching for v3 gigs with a number of keyswitch splits + not equal to a power of two + - reimplementation of the filter algorithm. The new filter is more + accurate and supports all gig filter types, including bandreject + and lowpass turbo. + - real support for 24 bit samples - samples are not truncated to + 16 bits anymore + - support for aftertouch (channel pressure, not polyphonic + aftertouch) + - LFO1 behaviour fixed (dampening from max volume instead of + amplifying from 0) * LSCP server: - fixed application exit on broken pipe error (fixes bug #20) + - fixed the notification messages delay due to lack of + network activity (fixes bug #26) + - fixed parser bug which occured on space(s) within device parameters + (e.g. "SET AUDIO_OUTPUT_CHANNEL_PARAMETER 0 0 SOMEPARAM='foo bar'") + + * audio driver: + - added aRts audio output driver (by no means RT safe) + + * MIDI driver: + - fixed legacy sysex code which caused dispatching of MIDI SysEx + messages several times instead of once + - API extension for MIDI drivers which already supply exact time stamps + for events (i.e. for offline rendering based MIDI drivers) + - added checks for bad MIDI data + + * linuxsampler application: + - show available sampler engine types on startup * general changes: - support for muting sampler channels and solo mode of the same, two new LSCP commands ("SET CHANNEL MUTE" and "SET CHANNEL SOLO") and two new fields ("MUTE" and "SOLO") for command "GET CHANNEL INFO" were introduced for this, the behavior is the same like on a mixer console - (patch by Grigor Iliev, a bit adjusted) + (patch by Grigor Iliev, a bit adjusted). Also added configure option + --enable-process-muted-channels which can be used to enable the + processing of muted channels. + - support for sostenuto pedal + - support for monitoring the total number of active voices + (new LSCP commands: GET TOTAL_VOICE_COUNT, GET TOTAL_VOICE_COUNT_MAX, + SUBSCRIBE TOTAL_VOICE_COUNT, UNSUBSCRIBE TOTAL_VOICE_COUNT) + - fixed some memory management errors + - fixed some concurrency problems that could lead to crashes when + LSCP commands were executed + - fixed crash when instrument loading failed previously on the same + sampler channel (fixes bug #36) Version 0.3.3 (15 July 2005)