From nobody Sun Apr 12 05:56:29 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=quarantine dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1771245938; cv=none; d=zohomail.com; s=zohoarc; b=kmP6QJc8JAXUZNFkqXVfKJmHwz1j2GH4NqN9utUbwr4dTkbXgRotBLz7qjbGDwgFYqyctb+t7NIhm66VgzWt3fvfZDPqINkzArl1AEB8fOpcKS4LZhrzEehV0FU6L5OJw3VbDYSqwmyJrtIj+jo8GxBbCJgSlegnEe7u+tMnM8Y= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1771245938; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=fPazC4ZZdFPqExfN3XudQnauOZaANg5Zk51udOOUWKE=; b=EakKCfYpqCNAoPg6+XFK/+SijpuY2KG2yHECEGRQeYoZNSr4ZZRCDbLj/EWyN6++0xBPm7ggQ4IxsZC1FcJZpNqBXNTVd+BIakNX1GaUUN01Mt5hgvxOzUVtcruPpmn/h8oZZeG6D/fejGA3IlVnKGB3Za8CGaIbn0r3/vgCimM= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1771245938973602.7744477199883; Mon, 16 Feb 2026 04:45:38 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vrwfN-0006Sw-6h; Mon, 16 Feb 2026 06:21:25 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vrwbK-0005Z7-6S for qemu-devel@nongnu.org; Mon, 16 Feb 2026 06:17:24 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vrwb6-0007Vx-0b for qemu-devel@nongnu.org; Mon, 16 Feb 2026 06:17:02 -0500 Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-299-Up68Dq7XNzmTVOsVPnoyEA-1; Mon, 16 Feb 2026 06:16:52 -0500 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 915C41955D8C; Mon, 16 Feb 2026 11:16:50 +0000 (UTC) Received: from localhost (unknown [10.45.242.26]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id F3CD030001A5; Mon, 16 Feb 2026 11:16:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1771240616; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fPazC4ZZdFPqExfN3XudQnauOZaANg5Zk51udOOUWKE=; b=LIfxTjv3IXSyqSCnewdo2QoviqB+HZIL5k3ucLYUwGB3H613w38UMPnrPyrbPzV0RP0pmF fdYQ6iHDlHgrtF+9L8LvxKb3wxPnpnUuPaRfZcRHwBX49pJREsJpXrC/OCwtZXGqCWzNG0 xUBhI6d/2p4JAoOpnaQrGFMeHfZ1uuM= X-MC-Unique: Up68Dq7XNzmTVOsVPnoyEA-1 X-Mimecast-MFC-AGG-ID: Up68Dq7XNzmTVOsVPnoyEA_1771240610 From: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= Date: Mon, 16 Feb 2026 12:15:15 +0100 Subject: [PATCH 26/85] audio: lookup "audio-" object types, and realize them MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260216-audio-v1-26-e676662e4514@redhat.com> References: <20260216-audio-v1-0-e676662e4514@redhat.com> In-Reply-To: <20260216-audio-v1-0-e676662e4514@redhat.com> To: qemu-devel@nongnu.org Cc: Gerd Hoffmann , Eduardo Habkost , Paolo Bonzini , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , John Snow , Cleber Rosa , Christian Schoenebeck , Akihiko Odaki , Thomas Huth , Alexandre Ratchov , =?utf-8?q?Alex_Benn=C3=A9e?= , Laurent Vivier , "Michael S. Tsirkin" , Manos Pitsidianakis , Alistair Francis , "Edgar E. Iglesias" , Peter Maydell , qemu-arm@nongnu.org, =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Mark Cave-Ayland X-Developer-Signature: v=1; a=openpgp-sha256; l=3172; i=marcandre.lureau@redhat.com; h=from:subject:message-id; bh=OJw6jsdt7wyQcbBsg8GjmVtm4QV1qTWG9rTVIVZxcO0=; b=owEBbQKS/ZANAwAKAdro4Ql1lpzlAcsmYgBpkvxP8FIJBr3CGLwm9OUTFfNLqhx5FpSXiHdHl PQZPf44SeWJAjMEAAEKAB0WIQSHqb2TP4fGBtJ29i3a6OEJdZac5QUCaZL8TwAKCRDa6OEJdZac 5X/zD/0SfbgLLY+P5ZjBjQPEFjax6JUXRGp5ezDTcd2HMi4+O1EAF0XcWKnQQu9TED1z6tWO1VU G647nvGnA0gSbEHEU7Wla3ML/S0D+8KDmtxYBwOXcbSbiE0BtTQBUC7H91fqxmPsy5i2qpVmTI8 FxfVe7BAWq8K7y6KlxMFA9Nf3F8mS+0uVxem/wgTKiTTQauDzyA0watsd6cf1LhhzKgDxSt2Xu7 /6bKk6fTvQBpAsIUbHr6IeddJcY2gOFfFR9i2TnUHbEqCpaNQUw1QNwrICbweL5nSzVTnLfisk1 pP8zNnO7zTrCtbfimxyaKp4AAesmgw1Lo6uSM2awJ9BDOXmflHRzyeWw3q7g8lwikj6j4yhsLWh V4cd4Anx7aI7G+cKSlW6UkmL8hwCtFHyongTaIKgD+wGOwZA9jQmUeM8SFoEfrXsUXqETobARBT /Q4q98+qAb5ZXw82SFikQDxpUNsyLZHVqLo45+GiAK6BNgizejgtrEuV+GTGtIrybA+cTC0j62l lj7hvvCOqFzSfmC378fesbTjKdn0jaR8MjvFhe9ePt+DbbhpW/lxzCCtEyIS2iMn5Bzzyj0SM7I gPMUDjfA+gNpzVBmfINsB9eNiiiLKON7VZGSHgHMl7lYv0qojE4YeDiPuXuqIPjhtK8gjQ5efg0 d3LdVD3ZEBlY/cg== X-Developer-Key: i=marcandre.lureau@redhat.com; a=openpgp; fpr=87A9BD933F87C606D276F62DDAE8E10975969CE5 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1771245940038158500 Now "audio_driver" is a detail implementation of AudioMixengBackend and not required to implement an AudioBackend. Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Mark Cave-Ayland --- include/qemu/audio.h | 1 + audio/audio.c | 40 ++++++++++++++++++++++++++-------------- 2 files changed, 27 insertions(+), 14 deletions(-) diff --git a/include/qemu/audio.h b/include/qemu/audio.h index 474d761f0be..1eeead2a722 100644 --- a/include/qemu/audio.h +++ b/include/qemu/audio.h @@ -51,6 +51,7 @@ typedef struct AudioBackend { typedef struct AudioBackendClass { ObjectClass parent_class; =20 + bool (*realize)(AudioBackend *be, Audiodev *dev, Error **errp); const char *(*get_id)(AudioBackend *be); #ifdef CONFIG_GIO bool (*set_dbus_server)(AudioBackend *be, diff --git a/audio/audio.c b/audio/audio.c index 5d0f5ad2145..72949fe27f5 100644 --- a/audio/audio.c +++ b/audio/audio.c @@ -1562,24 +1562,16 @@ size_t audio_generic_read(HWVoiceIn *hw, void *buf,= size_t size) return total; } =20 -static AudioBackend *audio_be_new(Audiodev *dev, Error **errp) +static bool audio_mixeng_backend_realize(AudioBackend *abe, + Audiodev *dev, Error **errp) { - const char *drvname =3D AudiodevDriver_str(dev->driver); - struct audio_driver *drv =3D audio_driver_lookup(drvname); + AudioMixengBackend *be =3D AUDIO_MIXENG_BACKEND(abe); + audio_driver *drv =3D AUDIO_MIXENG_BACKEND_GET_CLASS(be)->driver; =20 - if (!drv) { - error_setg(errp, "Unknown audio driver `%s'", drvname); - qapi_free_Audiodev(dev); - return NULL; - } - - AudioMixengBackend *be =3D AUDIO_MIXENG_BACKEND(object_new(TYPE_AUDIO_= MIXENG_BACKEND)); be->dev =3D dev; - be->drv_opaque =3D drv->init(be->dev, errp); if (!be->drv_opaque) { - object_unref(OBJECT(be)); - return NULL; + return false; } =20 if (!drv->pcm_ops->get_buffer_in) { @@ -1601,7 +1593,26 @@ static AudioBackend *audio_be_new(Audiodev *dev, Err= or **errp) be->period_ticks =3D be->dev->timer_period * (int64_t)SCALE_US; } =20 - return AUDIO_BACKEND(be); + return true; +} + +static AudioBackend *audio_be_new(Audiodev *dev, Error **errp) +{ + const char *drvname =3D AudiodevDriver_str(dev->driver); + g_autofree char *type =3D g_strconcat("audio-", drvname, NULL); + AudioBackend *be =3D AUDIO_BACKEND(object_new(type)); + + if (!be) { + error_setg(errp, "Unknown audio driver `%s'", drvname); + return NULL; + } + + if (!AUDIO_BACKEND_GET_CLASS(be)->realize(be, dev, errp)) { + object_unref(OBJECT(be)); + return NULL; + } + + return be; } =20 static void audio_vm_change_state_handler (void *opaque, bool running, @@ -1644,6 +1655,7 @@ static void audio_mixeng_backend_class_init(ObjectCla= ss *klass, const void *data { AudioBackendClass *be =3D AUDIO_BACKEND_CLASS(klass); =20 + be->realize =3D audio_mixeng_backend_realize; be->get_id =3D audio_mixeng_backend_get_id; } =20 --=20 2.53.0