From nobody Mon Feb 9 04:03:46 2026 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 (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 154203584809720.58599266552983; Mon, 12 Nov 2018 07:17:28 -0800 (PST) Received: from localhost ([::1]:49161 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gMDxu-0003Ua-Gq for importer@patchew.org; Mon, 12 Nov 2018 10:17:26 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50270) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gMDwO-0002s3-HU for qemu-devel@nongnu.org; Mon, 12 Nov 2018 10:15:53 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gMDwN-0001TN-77 for qemu-devel@nongnu.org; Mon, 12 Nov 2018 10:15:52 -0500 Received: from mx1.redhat.com ([209.132.183.28]:53072) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gMDwM-0001Rb-QN for qemu-devel@nongnu.org; Mon, 12 Nov 2018 10:15:51 -0500 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B1B637F3E8; Mon, 12 Nov 2018 15:15:47 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-158.ams2.redhat.com [10.36.116.158]) by smtp.corp.redhat.com (Postfix) with ESMTP id BB5D0600C6; Mon, 12 Nov 2018 15:15:17 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id F23E15E16F; Mon, 12 Nov 2018 16:15:16 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Mon, 12 Nov 2018 16:15:15 +0100 Message-Id: <20181112151516.10012-4-kraxel@redhat.com> In-Reply-To: <20181112151516.10012-1-kraxel@redhat.com> References: <20181112151516.10012-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Mon, 12 Nov 2018 15:15:47 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 3/4] 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: libvir-list@redhat.com, Paolo Bonzini , Max Ehrlich , Martin Schrodt , Gerd Hoffmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" 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 Buglink: https://bugs.launchpad.net/bugs/1795527 Signed-off-by: Gerd Hoffmann Reviewed-by: Philippe Mathieu-Daud=C3=A9 Message-id: 20181109142032.1628-1-kraxel@redhat.com --- 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