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GET /api/patches/2196835/?format=api
{ "id": 2196835, "url": "http://patchwork.ozlabs.org/api/patches/2196835/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260216-audio-v1-35-e676662e4514@redhat.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260216-audio-v1-35-e676662e4514@redhat.com>", "list_archive_url": null, "date": "2026-02-16T11:15:24", "name": "[35/85] audio: make AudioBackend truly abstract", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "87ca4acc4d583adc29a9bc77ae262edda6212f2b", "submitter": { "id": 66774, "url": "http://patchwork.ozlabs.org/api/people/66774/?format=api", "name": "Marc-André Lureau", "email": "marcandre.lureau@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260216-audio-v1-35-e676662e4514@redhat.com/mbox/", "series": [ { "id": 492294, "url": "http://patchwork.ozlabs.org/api/series/492294/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=492294", "date": "2026-02-16T11:14:52", "name": "audio: cleanups & add a manual test", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/492294/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2196835/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2196835/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=TknKFMh3;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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Mon, 16 Feb 2026 06:17:26 -0500", "from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com\n (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by\n relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3,\n cipher=TLS_AES_256_GCM_SHA384) id us-mta-649-UqaeIxcwOYuQUWTFGgcaKg-1; Mon,\n 16 Feb 2026 06:17:18 -0500", "from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com\n (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n (No client certificate requested)\n by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS\n id 606E11800352; Mon, 16 Feb 2026 11:17:16 +0000 (UTC)", "from localhost (unknown [10.45.242.26])\n by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP\n id 2BB511800465; Mon, 16 Feb 2026 11:17:14 +0000 (UTC)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1771240642;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=hkWryIjuSHmr0bwEziyOBTp5DFea2r/ueaDp4dOe6mM=;\n b=TknKFMh3eyfMaUna1501g40sELVLpreCCIJ13pUNlwGjgiBEQEaoCHo9pQu2GXoQ+eiRNW\n bpE3IugggMFHEU6CpRkCrH7I0S6noSY0h/5LuMEVGLn37UIINZvVKPUk4PoNWOKkN+4NKL\n 8U89TVsedk1wrMC5yauoS4y9eXFRhfM=", "X-MC-Unique": "UqaeIxcwOYuQUWTFGgcaKg-1", "X-Mimecast-MFC-AGG-ID": "UqaeIxcwOYuQUWTFGgcaKg_1771240636", "From": "=?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>", "Date": "Mon, 16 Feb 2026 12:15:24 +0100", "Subject": "[PATCH 35/85] audio: make AudioBackend truly abstract", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "8bit", "Message-Id": "<20260216-audio-v1-35-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 <kraxel@redhat.com>, Eduardo Habkost <eduardo@habkost.net>,\n Paolo Bonzini <pbonzini@redhat.com>,\n =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= <berrange@redhat.com>, =?utf-8?q?Phil?=\n\t=?utf-8?q?ippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org>,\n John Snow <jsnow@redhat.com>, Cleber Rosa <crosa@redhat.com>,\n Christian Schoenebeck <qemu_oss@crudebyte.com>,\n Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>,\n Thomas Huth <huth@tuxfamily.org>, Alexandre Ratchov <alex@caoua.org>,\n\t=?utf-8?q?Alex_Benn=C3=A9e?= <alex.bennee@linaro.org>,\n Laurent Vivier <laurent@vivier.eu>, \"Michael S. Tsirkin\" <mst@redhat.com>,\n Manos Pitsidianakis <manos.pitsidianakis@linaro.org>,\n Alistair Francis <alistair@alistair23.me>,\n \"Edgar E. Iglesias\" <edgar.iglesias@gmail.com>,\n Peter Maydell <peter.maydell@linaro.org>, qemu-arm@nongnu.org, =?utf-8?q?M?=\n\t=?utf-8?q?arc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>,\n Mark Cave-Ayland <mark.caveayland@nutanix.com>", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=15723;\n i=marcandre.lureau@redhat.com; h=from:subject:message-id;\n bh=e9fl1yiCeU+X0vumgeQ8TB7z7p3VBLjNMWmpzAK3nek=;\n b=owEBbQKS/ZANAwAKAdro4Ql1lpzlAcsmYgBpkvxPKcoUc2shWSYxqvj00cb6oQkqtTRvUBIDg\n 8taVMCOsQuJAjMEAAEKAB0WIQSHqb2TP4fGBtJ29i3a6OEJdZac5QUCaZL8TwAKCRDa6OEJdZac\n 5Rj0EACbutn6dNwbp1Is5/qPIpfuAigPYe9YEhIwjV8wfW4EIOy5DxkLmyOjBIxXSTOKlQn4eD6\n vyEPWdhOMJChFR/h+du05m2nyN98Sj9TRdZuniTmxb7P8CfEWY+H4jePXvGS1cxKPHO1nXEHtGv\n 7dCIn5AoeERp3V60bTQBjUKZjDbyP7qvHGtgMgyBNk93/mskp/8gKPsTmxfgpWZw99rgzZwe+i8\n lhyEeYS4avvNiKtLteKVMgt1Lk2inCcmE0iP2i1ybrg4/m1RuPgkO4bONUigZiYwasDYLQ1ouTt\n U7n+TPKWWe4XntBk+/vvt3Ql4Y1KTCVL0yVjDqM4kWZaPCckRJ6TXPcfHEXSWMCZuZhwZ/YkOnH\n atThSW0zplyNwrDoy8TbHRMEOxj8tAi3DGAHI3BU24XqRWaOI87DXA0NtYGTiwU99fR1pov5D98\n 4UHxHOgxxwqEeY9vjrlEdpgtSruy3/awzXHfFmaekbFIieWvxjPVEK/MFEWbByY6V7k8LV4uZzC\n Ck8NCxKVdOeDC0cGe0nW3pHm7leWNDgfqoTj1VdDw/+xT8bhKqbag/3pqfzf8PtSNqqhdOxneuM\n CgfAa+EYYm8bHwu3JTwqNhGZSbYSEfe86HORl9v5Rcf/TmhSX2s661IvGcRC8/wqiFeSWBz5mkW\n 4cSRtupI6Jxilkg==", "X-Developer-Key": "i=marcandre.lureau@redhat.com; a=openpgp;\n fpr=87A9BD933F87C606D276F62DDAE8E10975969CE5", "X-Scanned-By": "MIMEDefang 3.4.1 on 10.30.177.93", "Received-SPF": "pass client-ip=170.10.129.124;\n envelope-from=marcandre.lureau@redhat.com;\n 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,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham 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 <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Add virtual methods to be implemented by concrete classes, like\nAudioMixengBackendClass.\n\nSigned-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>\nReviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com>\n---\n audio/audio_template.h | 9 +--\n include/qemu/audio-capture.h | 13 ---\n include/qemu/audio.h | 58 +++++++++++---\n audio/audio.c | 187 ++++++++++++++++++++++++++++++++++++++++---\n 4 files changed, 227 insertions(+), 40 deletions(-)", "diff": "diff --git a/audio/audio_template.h b/audio/audio_template.h\nindex 33f2ff432eb..a7733f9e1d9 100644\n--- a/audio/audio_template.h\n+++ b/audio/audio_template.h\n@@ -478,7 +478,7 @@ static void glue (audio_close_, TYPE) (SW *sw)\n g_free (sw);\n }\n \n-void glue(AUD_close_, TYPE)(AudioBackend *be, SW *sw)\n+static void glue(audio_mixeng_backend_close_, TYPE)(AudioBackend *be, SW *sw)\n {\n if (sw) {\n if (audio_bug(__func__, !be)) {\n@@ -490,14 +490,13 @@ void glue(AUD_close_, TYPE)(AudioBackend *be, SW *sw)\n }\n }\n \n-SW *glue (AUD_open_, TYPE) (\n+static SW *glue(audio_mixeng_backend_open_, TYPE) (\n AudioBackend *be,\n SW *sw,\n const char *name,\n void *callback_opaque ,\n audio_callback_fn callback_fn,\n- const struct audsettings *as\n- )\n+ const struct audsettings *as)\n {\n AudioMixengBackend *s = AUDIO_MIXENG_BACKEND(be);\n AudiodevPerDirectionOptions *pdo;\n@@ -569,7 +568,7 @@ SW *glue (AUD_open_, TYPE) (\n return NULL;\n }\n \n-bool glue(AUD_is_active_, TYPE)(AudioBackend *be, SW *sw)\n+static bool glue(audio_mixeng_backend_is_active_, TYPE)(AudioBackend *be, SW *sw)\n {\n return sw ? sw->active : 0;\n }\ndiff --git a/include/qemu/audio-capture.h b/include/qemu/audio-capture.h\nindex f500b0a7f8c..5bfbdd02985 100644\n--- a/include/qemu/audio-capture.h\n+++ b/include/qemu/audio-capture.h\n@@ -8,19 +8,6 @@\n \n #include \"audio.h\"\n \n-typedef struct CaptureVoiceOut CaptureVoiceOut;\n-\n-typedef enum {\n- AUD_CNOTIFY_ENABLE,\n- AUD_CNOTIFY_DISABLE\n-} audcnotification_e;\n-\n-struct audio_capture_ops {\n- void (*notify) (void *opaque, audcnotification_e cmd);\n- void (*capture) (void *opaque, const void *buf, int size);\n- void (*destroy) (void *opaque);\n-};\n-\n struct capture_ops {\n void (*info) (void *opaque);\n void (*destroy) (void *opaque);\ndiff --git a/include/qemu/audio.h b/include/qemu/audio.h\nindex e87708e3d1e..4fae48886ba 100644\n--- a/include/qemu/audio.h\n+++ b/include/qemu/audio.h\n@@ -43,6 +43,25 @@ typedef struct audsettings {\n \n typedef struct SWVoiceOut SWVoiceOut;\n typedef struct SWVoiceIn SWVoiceIn;\n+typedef struct CaptureVoiceOut CaptureVoiceOut;\n+\n+typedef enum {\n+ AUD_CNOTIFY_ENABLE,\n+ AUD_CNOTIFY_DISABLE\n+} audcnotification_e;\n+\n+struct audio_capture_ops {\n+ void (*notify) (void *opaque, audcnotification_e cmd);\n+ void (*capture) (void *opaque, const void *buf, int size);\n+ void (*destroy) (void *opaque);\n+};\n+\n+#define AUDIO_MAX_CHANNELS 16\n+typedef struct Volume {\n+ bool mute;\n+ int channels;\n+ uint8_t vol[AUDIO_MAX_CHANNELS];\n+} Volume;\n \n typedef struct AudioBackend {\n Object parent_obj;\n@@ -53,6 +72,35 @@ typedef struct AudioBackendClass {\n \n bool (*realize)(AudioBackend *be, Audiodev *dev, Error **errp);\n const char *(*get_id)(AudioBackend *be);\n+ SWVoiceOut *(*open_out)(AudioBackend *be,\n+ SWVoiceOut *sw,\n+ const char *name,\n+ void *callback_opaque,\n+ audio_callback_fn callback_fn,\n+ const struct audsettings *as);\n+ SWVoiceIn *(*open_in)(AudioBackend *be,\n+ SWVoiceIn *sw,\n+ const char *name,\n+ void *callback_opaque,\n+ audio_callback_fn callback_fn,\n+ const struct audsettings *as);\n+ void (*close_out)(AudioBackend *be, SWVoiceOut *sw);\n+ void (*close_in)(AudioBackend *be, SWVoiceIn *sw);\n+ bool (*is_active_out)(AudioBackend *be, SWVoiceOut *sw);\n+ bool (*is_active_in)(AudioBackend *be, SWVoiceIn *sw);\n+ void (*set_active_out)(AudioBackend *be, SWVoiceOut *sw, bool on);\n+ void (*set_active_in)(AudioBackend *be, SWVoiceIn *sw, bool on);\n+ void (*set_volume_out)(AudioBackend *be, SWVoiceOut *sw, Volume *vol);\n+ void (*set_volume_in)(AudioBackend *be, SWVoiceIn *sw, Volume *vol);\n+ size_t (*write)(AudioBackend *be, SWVoiceOut *sw, void *buf, size_t size);\n+ size_t (*read)(AudioBackend *be, SWVoiceIn *sw, void *buf, size_t size);\n+ int (*get_buffer_size_out)(AudioBackend *be, SWVoiceOut *sw);\n+ CaptureVoiceOut *(*add_capture)(AudioBackend *be,\n+ struct audsettings *as,\n+ struct audio_capture_ops *ops,\n+ void *cb_opaque);\n+ void (*del_capture)(AudioBackend *be, CaptureVoiceOut *cap, void *cb_opaque);\n+\n #ifdef CONFIG_GIO\n bool (*set_dbus_server)(AudioBackend *be,\n GDBusObjectManagerServer *manager,\n@@ -69,8 +117,7 @@ SWVoiceOut *AUD_open_out(\n const char *name,\n void *callback_opaque,\n audio_callback_fn callback_fn,\n- const struct audsettings *settings\n- );\n+ const struct audsettings *settings);\n \n void AUD_close_out(AudioBackend *be, SWVoiceOut *sw);\n size_t AUD_write(AudioBackend *be, SWVoiceOut *sw, void *pcm_buf, size_t size);\n@@ -78,13 +125,6 @@ int AUD_get_buffer_size_out(AudioBackend *be, SWVoiceOut *sw);\n void AUD_set_active_out(AudioBackend *be, SWVoiceOut *sw, bool on);\n bool AUD_is_active_out(AudioBackend *be, SWVoiceOut *sw);\n \n-#define AUDIO_MAX_CHANNELS 16\n-typedef struct Volume {\n- bool mute;\n- int channels;\n- uint8_t vol[AUDIO_MAX_CHANNELS];\n-} Volume;\n-\n void AUD_set_volume_out(AudioBackend *be, SWVoiceOut *sw, Volume *vol);\n void AUD_set_volume_in(AudioBackend *be, SWVoiceIn *sw, Volume *vol);\n \ndiff --git a/audio/audio.c b/audio/audio.c\nindex 320035c0484..32b2b882f80 100644\n--- a/audio/audio.c\n+++ b/audio/audio.c\n@@ -847,7 +847,8 @@ static void audio_timer (void *opaque)\n /*\n * Public API\n */\n-size_t AUD_write(AudioBackend *be, SWVoiceOut *sw, void *buf, size_t size)\n+static size_t audio_mixeng_backend_write(AudioBackend *be, SWVoiceOut *sw,\n+ void *buf, size_t size)\n {\n HWVoiceOut *hw;\n \n@@ -858,7 +859,7 @@ size_t AUD_write(AudioBackend *be, SWVoiceOut *sw, void *buf, size_t size)\n hw = sw->hw;\n \n if (!hw->enabled) {\n- dolog (\"Writing to disabled voice %s\\n\", SW_NAME (sw));\n+ dolog(\"Writing to disabled voice %s\\n\", SW_NAME(sw));\n return 0;\n }\n \n@@ -869,7 +870,15 @@ size_t AUD_write(AudioBackend *be, SWVoiceOut *sw, void *buf, size_t size)\n }\n }\n \n-size_t AUD_read(AudioBackend *be, SWVoiceIn *sw, void *buf, size_t size)\n+size_t AUD_write(AudioBackend *be, SWVoiceOut *sw, void *buf, size_t size)\n+{\n+ AudioBackendClass *klass = AUDIO_BACKEND_GET_CLASS(be);\n+\n+ return klass->write(be, sw, buf, size);\n+}\n+\n+static size_t audio_mixeng_backend_read(AudioBackend *be, SWVoiceIn *sw,\n+ void *buf, size_t size)\n {\n HWVoiceIn *hw;\n \n@@ -880,7 +889,7 @@ size_t AUD_read(AudioBackend *be, SWVoiceIn *sw, void *buf, size_t size)\n hw = sw->hw;\n \n if (!hw->enabled) {\n- dolog (\"Reading from disabled voice %s\\n\", SW_NAME (sw));\n+ dolog(\"Reading from disabled voice %s\\n\", SW_NAME(sw));\n return 0;\n }\n \n@@ -889,9 +898,17 @@ size_t AUD_read(AudioBackend *be, SWVoiceIn *sw, void *buf, size_t size)\n } else {\n return hw->pcm_ops->read(hw, buf, size);\n }\n+\n }\n \n-int AUD_get_buffer_size_out(AudioBackend *be, SWVoiceOut *sw)\n+size_t AUD_read(AudioBackend *be, SWVoiceIn *sw, void *buf, size_t size)\n+{\n+ AudioBackendClass *klass = AUDIO_BACKEND_GET_CLASS(be);\n+\n+ return klass->read(be, sw, buf, size);\n+}\n+\n+static int audio_mixeng_backend_get_buffer_size_out(AudioBackend *be, SWVoiceOut *sw)\n {\n if (!sw) {\n return 0;\n@@ -904,7 +921,15 @@ int AUD_get_buffer_size_out(AudioBackend *be, SWVoiceOut *sw)\n return sw->hw->samples * sw->hw->info.bytes_per_frame;\n }\n \n-void AUD_set_active_out(AudioBackend *be, SWVoiceOut *sw, bool on)\n+int AUD_get_buffer_size_out(AudioBackend *be, SWVoiceOut *sw)\n+{\n+ AudioBackendClass *klass = AUDIO_BACKEND_GET_CLASS(be);\n+\n+ return klass->get_buffer_size_out(be, sw);\n+}\n+\n+static void audio_mixeng_backend_set_active_out(AudioBackend *be, SWVoiceOut *sw,\n+ bool on)\n {\n HWVoiceOut *hw;\n \n@@ -950,9 +975,17 @@ void AUD_set_active_out(AudioBackend *be, SWVoiceOut *sw, bool on)\n }\n sw->active = on;\n }\n+\n }\n \n-void AUD_set_active_in(AudioBackend *be, SWVoiceIn *sw, bool on)\n+void AUD_set_active_out(AudioBackend *be, SWVoiceOut *sw, bool on)\n+{\n+ AudioBackendClass *klass = AUDIO_BACKEND_GET_CLASS(be);\n+\n+ return klass->set_active_out(be, sw, on);\n+}\n+\n+static void audio_mixeng_backend_set_active_in(AudioBackend *be, SWVoiceIn *sw, bool on)\n {\n HWVoiceIn *hw;\n \n@@ -997,6 +1030,13 @@ void AUD_set_active_in(AudioBackend *be, SWVoiceIn *sw, bool on)\n }\n }\n \n+void AUD_set_active_in(AudioBackend *be, SWVoiceIn *sw, bool on)\n+{\n+ AudioBackendClass *klass = AUDIO_BACKEND_GET_CLASS(be);\n+\n+ return klass->set_active_in(be, sw, on);\n+}\n+\n static size_t audio_get_avail(SWVoiceIn *sw)\n {\n size_t live;\n@@ -1658,12 +1698,97 @@ static const char *audio_mixeng_backend_get_id(AudioBackend *be)\n return AUDIO_MIXENG_BACKEND(be)->dev->id;\n }\n \n+static CaptureVoiceOut *audio_mixeng_backend_add_capture(\n+ AudioBackend *be,\n+ struct audsettings *as,\n+ struct audio_capture_ops *ops,\n+ void *cb_opaque);\n+\n+static void audio_mixeng_backend_del_capture(\n+ AudioBackend *be,\n+ CaptureVoiceOut *cap,\n+ void *cb_opaque);\n+\n+static void audio_mixeng_backend_set_volume_out(AudioBackend *be, SWVoiceOut *sw,\n+ Volume *vol);\n+static void audio_mixeng_backend_set_volume_in(AudioBackend *be, SWVoiceIn *sw,\n+ Volume *vol);\n+\n+SWVoiceOut *AUD_open_out(\n+ AudioBackend *be,\n+ SWVoiceOut *sw,\n+ const char *name,\n+ void *callback_opaque,\n+ audio_callback_fn callback_fn,\n+ const struct audsettings *as)\n+{\n+ AudioBackendClass *klass = AUDIO_BACKEND_GET_CLASS(be);\n+\n+ return klass->open_out(be, sw, name, callback_opaque, callback_fn, as);\n+}\n+\n+SWVoiceIn *AUD_open_in(\n+ AudioBackend *be,\n+ SWVoiceIn *sw,\n+ const char *name,\n+ void *callback_opaque,\n+ audio_callback_fn callback_fn,\n+ const struct audsettings *as)\n+{\n+ AudioBackendClass *klass = AUDIO_BACKEND_GET_CLASS(be);\n+\n+ return klass->open_in(be, sw, name, callback_opaque, callback_fn, as);\n+}\n+\n+void AUD_close_out(AudioBackend *be, SWVoiceOut *sw)\n+{\n+ AudioBackendClass *klass = AUDIO_BACKEND_GET_CLASS(be);\n+\n+ return klass->close_out(be, sw);\n+}\n+\n+void AUD_close_in(AudioBackend *be, SWVoiceIn *sw)\n+{\n+ AudioBackendClass *klass = AUDIO_BACKEND_GET_CLASS(be);\n+\n+ return klass->close_in(be, sw);\n+}\n+\n+bool AUD_is_active_out(AudioBackend *be, SWVoiceOut *sw)\n+{\n+ AudioBackendClass *klass = AUDIO_BACKEND_GET_CLASS(be);\n+\n+ return klass->is_active_out(be, sw);\n+}\n+\n+bool AUD_is_active_in(AudioBackend *be, SWVoiceIn *sw)\n+{\n+ AudioBackendClass *klass = AUDIO_BACKEND_GET_CLASS(be);\n+\n+ return klass->is_active_in(be, sw);\n+}\n+\n static void audio_mixeng_backend_class_init(ObjectClass *klass, const void *data)\n {\n AudioBackendClass *be = AUDIO_BACKEND_CLASS(klass);\n \n be->realize = audio_mixeng_backend_realize;\n be->get_id = audio_mixeng_backend_get_id;\n+ be->open_in = audio_mixeng_backend_open_in;\n+ be->open_out = audio_mixeng_backend_open_out;\n+ be->close_in = audio_mixeng_backend_close_in;\n+ be->close_out = audio_mixeng_backend_close_out;\n+ be->is_active_out = audio_mixeng_backend_is_active_out;\n+ be->is_active_in = audio_mixeng_backend_is_active_in;\n+ be->set_active_out = audio_mixeng_backend_set_active_out;\n+ be->set_active_in = audio_mixeng_backend_set_active_in;\n+ be->set_volume_out = audio_mixeng_backend_set_volume_out;\n+ be->set_volume_in = audio_mixeng_backend_set_volume_in;\n+ be->read = audio_mixeng_backend_read;\n+ be->write = audio_mixeng_backend_write;\n+ be->get_buffer_size_out = audio_mixeng_backend_get_buffer_size_out;\n+ be->add_capture = audio_mixeng_backend_add_capture;\n+ be->del_capture = audio_mixeng_backend_del_capture;\n }\n \n static void audio_mixeng_backend_init(Object *obj)\n@@ -1863,12 +1988,11 @@ bool AUD_backend_check(AudioBackend **be, Error **errp)\n \n static struct audio_pcm_ops capture_pcm_ops;\n \n-CaptureVoiceOut *AUD_add_capture(\n+static CaptureVoiceOut *audio_mixeng_backend_add_capture(\n AudioBackend *be,\n struct audsettings *as,\n struct audio_capture_ops *ops,\n- void *cb_opaque\n- )\n+ void *cb_opaque)\n {\n AudioMixengBackend *s = AUDIO_MIXENG_BACKEND(be);\n CaptureVoiceOut *cap;\n@@ -1938,7 +2062,21 @@ CaptureVoiceOut *AUD_add_capture(\n return cap;\n }\n \n-void AUD_del_capture(AudioBackend *be, CaptureVoiceOut *cap, void *cb_opaque)\n+CaptureVoiceOut *AUD_add_capture(\n+ AudioBackend *be,\n+ struct audsettings *as,\n+ struct audio_capture_ops *ops,\n+ void *cb_opaque)\n+{\n+ AudioBackendClass *klass = AUDIO_BACKEND_GET_CLASS(be);\n+\n+ return klass->add_capture(be, as, ops, cb_opaque);\n+}\n+\n+static void audio_mixeng_backend_del_capture(\n+ AudioBackend *be,\n+ CaptureVoiceOut *cap,\n+ void *cb_opaque)\n {\n struct capture_callback *cb;\n \n@@ -1977,7 +2115,15 @@ void AUD_del_capture(AudioBackend *be, CaptureVoiceOut *cap, void *cb_opaque)\n }\n }\n \n-void AUD_set_volume_out(AudioBackend *be, SWVoiceOut *sw, Volume *vol)\n+void AUD_del_capture(AudioBackend *be, CaptureVoiceOut *cap, void *cb_opaque)\n+{\n+ AudioBackendClass *klass = AUDIO_BACKEND_GET_CLASS(be);\n+\n+ klass->del_capture(be, cap, cb_opaque);\n+}\n+\n+static void audio_mixeng_backend_set_volume_out(AudioBackend *be, SWVoiceOut *sw,\n+ Volume *vol)\n {\n if (sw) {\n HWVoiceOut *hw = sw->hw;\n@@ -1993,7 +2139,15 @@ void AUD_set_volume_out(AudioBackend *be, SWVoiceOut *sw, Volume *vol)\n }\n }\n \n-void AUD_set_volume_in(AudioBackend *be, SWVoiceIn *sw, Volume *vol)\n+void AUD_set_volume_out(AudioBackend *be, SWVoiceOut *sw, Volume *vol)\n+{\n+ AudioBackendClass *klass = AUDIO_BACKEND_GET_CLASS(be);\n+\n+ klass->set_volume_out(be, sw, vol);\n+}\n+\n+static void audio_mixeng_backend_set_volume_in(AudioBackend *be, SWVoiceIn *sw,\n+ Volume *vol)\n {\n if (sw) {\n HWVoiceIn *hw = sw->hw;\n@@ -2009,6 +2163,13 @@ void AUD_set_volume_in(AudioBackend *be, SWVoiceIn *sw, Volume *vol)\n }\n }\n \n+void AUD_set_volume_in(AudioBackend *be, SWVoiceIn *sw, Volume *vol)\n+{\n+ AudioBackendClass *klass = AUDIO_BACKEND_GET_CLASS(be);\n+\n+ klass->set_volume_in(be, sw, vol);\n+}\n+\n static void audio_create_pdos(Audiodev *dev)\n {\n switch (dev->driver) {\n", "prefixes": [ "35/85" ] }