On 2019-11-25 08:50, Felix Pfeifer <pfeifer.fe...@gmail.com> put forth the proposition: > > Personally, I find changing things to jack-audio-connection-kit from jack2 > > is > > a regression, and I'd recommend going the other way. I don't know the > > reasons > > that people stick to the now very old version. > > > > I've been running jack2 for several years and had no problems with it, or > > had > > to downgrade to the older jack. It's also what all the apps on Studioware > > use, and there haven't been any problems reported about it. > > > > This is just my 2 pennies though, speaking as an everyday jack user. > > > > > Is jack2 supporting ALSA-MIDI? > For my builds it would be OK to switch to jack2 > as long as it supports ALSA-MIDI which I use > to connect to my hardware. Also pd comes with > support for ALSA-MIDI. > > cheers, > Felix
I don't use midi myself and I have a slightly older version installed than on SBo at the moment, but the jackd man page has under alsa backend options -X, --midi [seq|raw] "Specify which ALSA MIDI system to provide access to. Using raw will provide a set of JACK MIDI ports that correspond to each raw ALSA device on the machine. Using seq will provide a set of JACK MIDI ports that correspond to each ALSA "sequencer" client (which includes each hardware MIDI port on the machine). raw provides slightly better performance but does not permit JACK MIDI communication with software written to use the ALSA "sequencer" API." ZSH<31>% jackd -dalsa -Xseq -r48000 -i2 -o2 jackdmp 1.9.10 Copyright 2001-2005 Paul Davis and others. Copyright 2004-2014 Grame. jackdmp comes with ABSOLUTELY NO WARRANTY This is free software, and you are welcome to redistribute it under certain conditions; see the file COPYING for details JACK server starting in realtime mode with priority 10 self-connect-mode is "Don't restrict self connect requests" audio_reservation_init Acquire audio card Audio0 creating alsa driver ... hw:0|hw:0|1024|2|48000|2|2|nomon|swmeter|-|32bit configuring for 48000Hz, period = 1024 frames (21.3 ms), buffer = 2 periods ALSA: final selected sample format for capture: 32bit float little-endian ALSA: use 2 periods for capture ALSA: final selected sample format for playback: 32bit float little-endian ALSA: use 2 periods for playback port created: Midi-Through:midi/playback_1 port created: Midi-Through:midi/capture_1 port created: PCR:midi/playback_1 port created: PCR:midi/capture_1 port created: PCR:midi/playback_2 port created: PCR:midi/capture_2 port created: PCR:midi/playback_3 ZSH<30>% jack_lsp system:capture_1 system:capture_2 system:playback_1 system:playback_2 system:midi_capture_1 system:midi_playback_1 system:midi_capture_2 system:midi_playback_2 system:midi_capture_3 system:midi_playback_3 system:midi_capture_4 ZSH<32>% jackd -dalsa -Xraw -r48000 -i2 -o2 jackdmp 1.9.10 Copyright 2001-2005 Paul Davis and others. Copyright 2004-2014 Grame. jackdmp comes with ABSOLUTELY NO WARRANTY This is free software, and you are welcome to redistribute it under certain conditions; see the file COPYING for details JACK server starting in realtime mode with priority 10 self-connect-mode is "Don't restrict self connect requests" audio_reservation_init Acquire audio card Audio0 creating alsa driver ... hw:0|hw:0|1024|2|48000|2|2|nomon|swmeter|-|32bit configuring for 48000Hz, period = 1024 frames (21.3 ms), buffer = 2 periods ALSA: final selected sample format for capture: 32bit float little-endian ALSA: use 2 periods for capture ALSA: final selected sample format for playback: 32bit float little-endian ALSA: use 2 periods for playback scan: added port hw:3,0,0 in-hw-3-0-0-PCR-MIDI scan: added port hw:3,0,1 in-hw-3-0-1-PCR-1 scan: added port hw:3,0,2 in-hw-3-0-2-PCR-2 scan: added port hw:3,0,0 out-hw-3-0-0-PCR-MIDI scan: added port hw:3,0,1 out-hw-3-0-1-PCR-1 scan: opened port hw:3,0,0 in-hw-3-0-0-PCR-MIDI scan: opened port hw:3,0,1 in-hw-3-0-1-PCR-1 scan: opened port hw:3,0,2 in-hw-3-0-2-PCR-2 scan: opened port hw:3,0,0 out-hw-3-0-0-PCR-MIDI scan: opened port hw:3,0,1 out-hw-3-0-1-PCR-1 ZSH<30>% jack_lsp system:capture_1 system:capture_2 system:playback_1 system:playback_2 system:midi_capture_1 system:midi_capture_2 system:midi_capture_3 system:midi_playback_1 system:midi_playback_2 I can't imagine why they would ever remove midi support, but I hope that helps. -daw
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