From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Ralf Beck" Subject: Will we ever see a low latency/high performance PCM api for usb, firewire, avb ? Date: Thu, 25 Apr 2019 22:54:02 +0200 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mout.gmx.net (mout.gmx.net [212.227.15.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 9D712F8961C for ; Thu, 25 Apr 2019 22:54:03 +0200 (CEST) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" To: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Subject says it all. During the Dec/Jan period i did some USB patches for the Motu AVB series and a trivial alsa driver to connect my Motu via AVB for a single i/o stream. So i discovered how totally unsuitable the mmapped ringbuffer model of alsa is for the above types of interfaces. Is there any intention to change this ? I've read that this has already been discussed during miniconf 2017 (USB) and 2018 (AVB). Any results?