From nobody Sun Feb 27 20:41:03 2022 X-Original-To: freebsd-multimedia@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id DEBF219D36D2 for ; Sun, 27 Feb 2022 20:41:16 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (turbocat.net [88.99.82.50]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4K6Flw1Jk9z4Stm for ; Sun, 27 Feb 2022 20:41:16 +0000 (UTC) (envelope-from hps@selasky.org) Received: from [10.36.2.165] (unknown [178.17.145.105]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 298032601B0; Sun, 27 Feb 2022 21:41:15 +0100 (CET) Message-ID: <586816bd-4332-4a0c-ab4b-b798588514ff@selasky.org> Date: Sun, 27 Feb 2022 21:41:03 +0100 List-Id: Multimedia discussions List-Archive: https://lists.freebsd.org/archives/freebsd-multimedia List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-multimedia@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:91.0) Gecko/20100101 Thunderbird/91.6.1 Subject: Re: New FreeBSD port ALSA to JACK MIDI, a2jmidid Content-Language: en-US From: Hans Petter Selasky To: Florian Walpen , freebsd-multimedia@freebsd.org References: <22854640.gYbqZ1YImA@z800> <50bd092c-9d5e-645d-2e5a-16a92d83a0db@selasky.org> <5113897.hZNMGjoUbN@z800> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4K6Flw1Jk9z4Stm X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of hps@selasky.org designates 88.99.82.50 as permitted sender) smtp.mailfrom=hps@selasky.org X-Spamd-Result: default: False [-1.40 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+a:mail.turbocat.net:c]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[selasky.org]; NEURAL_SPAM_MEDIUM(0.90)[0.901]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_HAM_SHORT(-1.00)[-1.000]; RCPT_COUNT_TWO(0.00)[2]; MLMMJ_DEST(0.00)[freebsd-multimedia]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:88.99.0.0/16, country:DE]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] X-ThisMailContainsUnwantedMimeParts: N On 2/27/22 21:36, Hans Petter Selasky wrote: > On 2/27/22 21:29, Hans Petter Selasky wrote: >> On 2/27/22 18:45, Florian Walpen wrote: >>> @HPS: Any ideas about the latency introduced by alsa-seq-server / CUSE? >> >> Hi, >> >> What tools did you use to test? >> >> You might want to ktrace the applications in question to see what is >> going on. >> >> Is this something I could test on my computer? >> >> --HPS >> > > Did you set real-time priority for alsa-seq-server and did you install > the very latest version available from ports? > Hi, One more idea: Can you make a FIFO "man mkfifo" and add that to the alsa-seq-server instance? Then start jack_umidi on that FIFO aswell. What is the result? You probably need to use aconnect to loop the events. --HPS