On 6/5/22 1:40 PM, prad wrote:
i tried linuxsampler and amsynth. both show up in the instruments parameters, but i can't do a thing with either.
There are certainly synths that are a bit hard to get started with. These might be two of them. I've not tried either. I would come back to them later.
i also tried fluidsynth which kept crashing rg when recording midi, as well as timidity which crashed rg too (though considerably less often) both with the error: "out of processor power for real-time audio processing. Cannot continue."
That's not normal. I'm running 11-year-old under-powered hardware with no problems.
Have you configured your security limits and are you using a real-time kernel?
See my guide if you haven't already: http://www.tedfelix.com/linux/linux-midi.html
i found that there were latency issues with timidity's metronome and my keyboard presses (not so with fluidsynth though).
Running without a real-time kernel tends to cause this.
yes there is when i set ALSA as yoshimi's default midi and preferred audio: 129:0 yoshimi: input the instruments are there everything seems to work fine!
Sounds good.
however, when i set JACK as those, it doesn't show up as such,
This is normal. Rosegarden does not support JACK MIDI.
i find this puzzling because i though rg was supposed to use jack.
Rosegarden uses JACK for audio tracks. It uses ALSA for MIDI.
mind you, i'm using pipewire and so have pipewire-alsa, pipewire-jack so i don't know if that makes a difference.
I haven't tried any of those, so I cannot say whether they have any effect. We had some complaints a while back, but those appear to have cleared up. So I suspect you should be OK here.
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