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Date:      Mon, 28 Feb 2022 11:52:56 +0100
From:      Hans Petter Selasky <hps@selasky.org>
To:        Florian Walpen <dev@submerge.ch>, freebsd-multimedia@freebsd.org
Subject:   Re: New FreeBSD port ALSA to JACK MIDI, a2jmidid
Message-ID:  <d053ffca-be60-84c0-f535-533c42341c62@selasky.org>
In-Reply-To: <6031446.O1aUxXEVJ6@z800>
References:  <a1f43e5a-5d1f-1980-e771-00a0064f74bb@selasky.org> <d55c36c9-1151-aea4-4a18-37010b4d3fc8@selasky.org> <586816bd-4332-4a0c-ab4b-b798588514ff@selasky.org> <6031446.O1aUxXEVJ6@z800>

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On 2/28/22 00:09, Florian Walpen wrote:
> On Sunday, February 27, 2022 9:41:03 PM CET Hans Petter Selasky wrote:
>>
>> You probably need to use aconnect to loop the events.
>>
> 
> If I shortcut the ALSA ports directly from a2jmidi_bridge to j2amidi_bridge
> (a2jmidid didn't work), the MIDI data is returned within the same JACK cycle:
> 
> Average latency: 3.92 ms (188.41 frames)
> Lowest latency: 0.02 ms (1 frames)
> Highest latency: 8.00 ms (384 frames)
> Peak MIDI jitter: 7.98 ms (383 frames)
> Average MIDI jitter: 1.99 ms (95.13 frames)
> 
> I also tried to use a2jmidi_bridge and j2amidi_bridge on the umidi device, but
> that failed. Maybe I did something wrong, the port arguments in aconnect seem
> to only go from receiver to sender, as opposed to the description in the
> manpage...
> 

Hi,

Thanks for testing!

I'll try to look into this as time permits.

--HPS




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