From patchwork Sat Jun 13 04:05:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geoffrey McRae X-Patchwork-Id: 280553 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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 B47CAC433E1 for ; Sun, 14 Jun 2020 04:43:38 +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 8380420747 for ; Sun, 14 Jun 2020 04:43:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=hostfission.com header.i=@hostfission.com header.b="ES+GokTH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8380420747 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=hostfission.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:41636 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jkKUb-0006Nx-Nw for qemu-devel@archiver.kernel.org; Sun, 14 Jun 2020 00:43:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35842) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jkKTd-0004jC-B0 for qemu-devel@nongnu.org; Sun, 14 Jun 2020 00:42:37 -0400 Received: from mail1.hostfission.com ([139.99.139.48]:57380) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jkKTa-0005Av-OZ for qemu-devel@nongnu.org; Sun, 14 Jun 2020 00:42:37 -0400 Received: from moya.office.hostfission.com (office.hostfission.com [220.233.29.71]) by mail1.hostfission.com (Postfix) with ESMTP id 46503445D3; Sat, 13 Jun 2020 14:06:01 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=hostfission.com; s=mail; t=1592021161; bh=4UNyzqKwA72Hv2rXe7+67R0tuH+ZT6vZbiRtOXthWWA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ES+GokTHDTwJo8TsehcaBH4pYPjLkE0pnv2y4ByexEJa6bSLzqVcEFVDNv+s9GyJS OTuF9/h5/CYbAJvkbTJww1e2W+biI6DQW0ZZn8wizZkN5JpptibPNyF1GCXEm6DYXc 3wNravGdQjJtaXtD0h8Ocn6B8XEcuBOFdk0rHyBQ= Received: by moya.office.hostfission.com (Postfix, from userid 0) id 2EA0F3A0506; Sat, 13 Jun 2020 14:06:00 +1000 (AEST) From: Geoffrey McRae To: qemu-devel@nongnu.org Cc: kraxel@redhat.com, geoff@hostfission.com Subject: [PATCH 1/6] audio/jack: fix invalid minimum buffer size check Date: Sat, 13 Jun 2020 14:05:13 +1000 Message-Id: <20200613040518.38172-2-geoff@hostfission.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200613040518.38172-1-geoff@hostfission.com> References: <20200613040518.38172-1-geoff@hostfission.com> MIME-Version: 1.0 Received-SPF: none client-ip=139.99.139.48; envelope-from=root@moya.office.hostfission.com; helo=mail1.hostfission.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/13 00:05:57 X-ACL-Warn: Detected OS = Linux 3.11 and newer X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_NONE=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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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 --- audio/jackaudio.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/audio/jackaudio.c b/audio/jackaudio.c index 722ddb1dfe..d0b6f748f2 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;