From nobody Tue Nov 4 15:28:33 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1530620439277561.243786934523; Tue, 3 Jul 2018 05:20:39 -0700 (PDT) Received: from localhost ([::1]:40230 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1faKIQ-00013G-Kd for importer@patchew.org; Tue, 03 Jul 2018 08:20:38 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43224) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1faKHO-0000NP-LB for qemu-devel@nongnu.org; Tue, 03 Jul 2018 08:19:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1faKHL-0006x8-Fa for qemu-devel@nongnu.org; Tue, 03 Jul 2018 08:19:34 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59272) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1faKHL-0006wh-9L for qemu-devel@nongnu.org; Tue, 03 Jul 2018 08:19:31 -0400 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2CBFE7CDE7; Tue, 3 Jul 2018 12:19:30 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-220.phx2.redhat.com [10.3.116.220]) by smtp.corp.redhat.com (Postfix) with ESMTP id AB1B0308BDB2; Tue, 3 Jul 2018 12:19:25 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 7B70017443; Tue, 3 Jul 2018 14:19:24 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Tue, 3 Jul 2018 14:19:24 +0200 Message-Id: <20180703121924.11411-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Tue, 03 Jul 2018 12:19:30 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH] pulseaudio: process audio data in smaller chunks X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Martin Schrodt , Max Ehrlich , Gerd Hoffmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The rate of pulseaudio absorbing the audio stream is used to control the the rate of the guests audio stream. When the emulated hardware uses small chunks (like intel-hda does) we need small chunks on the audio backend side too, otherwise that feedback loop doesn't work very well. Cc: Max Ehrlich Cc: Martin Schrodt Signed-off-by: Gerd Hoffmann --- audio/paaudio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/audio/paaudio.c b/audio/paaudio.c index 949769774d..4c100bc318 100644 --- a/audio/paaudio.c +++ b/audio/paaudio.c @@ -227,7 +227,7 @@ static void *qpa_thread_out (void *arg) } } =20 - decr =3D to_mix =3D audio_MIN (pa->live, pa->g->conf.samples >> 2); + decr =3D to_mix =3D audio_MIN(pa->live, pa->g->conf.samples >> 5); rpos =3D pa->rpos; =20 if (audio_pt_unlock(&pa->pt, __func__)) { @@ -319,7 +319,7 @@ static void *qpa_thread_in (void *arg) } } =20 - incr =3D to_grab =3D audio_MIN (pa->dead, pa->g->conf.samples >> 2= ); + incr =3D to_grab =3D audio_MIN(pa->dead, pa->g->conf.samples >> 5); wpos =3D pa->wpos; =20 if (audio_pt_unlock(&pa->pt, __func__)) { --=20 2.9.3