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

[Ralf Mardorf]

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!