From patchwork Fri Jun 19 13:17:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 279989 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BFAE4C433E0 for ; Fri, 19 Jun 2020 13:21:54 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 894AB20DD4 for ; Fri, 19 Jun 2020 13:21:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="bSMX5oT+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 894AB20DD4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:45250 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jmGxt-0007mC-Ox for qemu-devel@archiver.kernel.org; Fri, 19 Jun 2020 09:21:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44814) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jmGu3-0001w9-2e for qemu-devel@nongnu.org; Fri, 19 Jun 2020 09:17:55 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:59611 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jmGu1-000384-ED for qemu-devel@nongnu.org; Fri, 19 Jun 2020 09:17:54 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1592572672; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:content-type:content-type:in-reply-to:in-reply-to: references:references; bh=N1c9BQx11x41ffPvg5cZuk3HbuS5fDo5PBxVW02RQIo=; b=bSMX5oT+VxUkpi0bZERGxKK5RLpudW/h8ZPAyEsqUTs6VAUHnW4mdvBF2DZiKf1zvMjoXv NXmq74UyNENpZKKaVlZ4Fnux62HYrbIuhsldCgqtbMCke8BLYehdq0j4habqZL1qfwrgt0 s2C8wiFakgh/Be5w7P95RRn2KMo27EY= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-132-cPFrpP6ZPpWJWg3_mi2n7A-1; Fri, 19 Jun 2020 09:17:50 -0400 X-MC-Unique: cPFrpP6ZPpWJWg3_mi2n7A-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 6418D107ACCA; Fri, 19 Jun 2020 13:17:49 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-67.ams2.redhat.com [10.36.112.67]) by smtp.corp.redhat.com (Postfix) with ESMTP id CD5FF5BAC7; Fri, 19 Jun 2020 13:17:45 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 698471750C; Fri, 19 Jun 2020 15:17:41 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PULL 1/7] audio/jack: fix invalid minimum buffer size check Date: Fri, 19 Jun 2020 15:17:35 +0200 Message-Id: <20200619131741.10857-2-kraxel@redhat.com> In-Reply-To: <20200619131741.10857-1-kraxel@redhat.com> References: <20200619131741.10857-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=kraxel@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/19 05:19:18 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Geoffrey McRae , Gerd Hoffmann Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Geoffrey McRae JACK does not provide us with the configured buffer size until after activiation which was overriding this minimum value. JACK itself doesn't have this minimum limitation, but the QEMU virtual hardware and as such it must be enforced, failure to do so results in audio discontinuities. Signed-off-by: Geoffrey McRae Message-id: 20200613040518.38172-2-geoff@hostfission.com Signed-off-by: Gerd Hoffmann --- audio/jackaudio.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/audio/jackaudio.c b/audio/jackaudio.c index 722ddb1dfe43..d0b6f748f26c 100644 --- a/audio/jackaudio.c +++ b/audio/jackaudio.c @@ -434,17 +434,6 @@ static int qjack_client_init(QJackClient *c) jack_set_xrun_callback(c->client, qjack_xrun, c); jack_on_shutdown(c->client, qjack_shutdown, c); - /* - * ensure the buffersize is no smaller then 512 samples, some (all?) qemu - * virtual devices do not work correctly otherwise - */ - if (c->buffersize < 512) { - c->buffersize = 512; - } - - /* create a 2 period buffer */ - qjack_buffer_create(&c->fifo, c->nchannels, c->buffersize * 2); - /* allocate and register the ports */ c->port = g_malloc(sizeof(jack_port_t *) * c->nchannels); for (int i = 0; i < c->nchannels; ++i) { @@ -468,6 +457,17 @@ static int qjack_client_init(QJackClient *c) jack_activate(c->client); c->buffersize = jack_get_buffer_size(c->client); + /* + * ensure the buffersize is no smaller then 512 samples, some (all?) qemu + * virtual devices do not work correctly otherwise + */ + if (c->buffersize < 512) { + c->buffersize = 512; + } + + /* create a 2 period buffer */ + qjack_buffer_create(&c->fifo, c->nchannels, c->buffersize * 2); + qjack_client_connect_ports(c); c->state = QJACK_STATE_RUNNING; return 0;