Re: [LAU] Is -Xalsarawidi the same as -Xraw or -Xseq?

From: Ralf Mardorf <ralf.mardorf@email-addr-hidden-dsl.net>
Date: Mon Jun 18 2018 - 22:37:15 EEST

On Mon, 18 Jun 2018 13:24:51 -0500, Chris Caudle wrote:
>On Mon, June 18, 2018 12:57 pm, Ralf Mardorf wrote:
>> On Mon, 18 Jun 2018 09:18:11 -0500, Chris Caudle wrote:
>>>On Mon, June 18, 2018 8:55 am, Victor A. Stoichita wrote:
>>>> using -Xalsarawmidi combined with a2jmidid. I'm still not sure
>>>> whether this is the same as -Xseq or -Xraw.
>>>
>>>I think -Xraw is an alias for -Xalsarawmidi, but in any case you
>>>should not use either.
>>
>> Wrong! Better use alsarawmidi!
>
>The current manpage for jackd does not mention the term "alsarawmidi"
>at all, only seq or raw. Searching the current source tree for jackd
>v2 I found a description in JackALSARawMidiDriver.cpp that it was an
>"Alternative ALSA raw MIDI backend."
>I do not see a way to instantiate that separately, however, the
>command line processing has only entries for "seq" and "raw" as
>arguments to the ALSA driver.
>
>In any case, the correct answer is still to not use any -X argument at
>all, let a2midid control the ALSA MIDI data and act as a jack client,
>at least for jackd v2.

No, if you want to reduce MIDI jitter when using the MIDI hardware IOs,
use -Xalsarawmidi!
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Received on Tue Jun 19 00:15:06 2018

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