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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1769154790; 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=mCXf/Xy7UKL5acy6xc4fy3GCbSoRWYbjh5sPyv0ccS8=; b=aXXx+H07kYft3gTi6A9FPq/FtoizgncaICiUnQm3JE9q6kYKUH/ZqDp/lNsntOybXKIXVF RfuIkX/7D0HsDRaEhxk7aVLJgOUjpH5Nqy8vyrc/rRgXvQY14v1fBGoL1EztRRAzHC6kyw NM4oeuLUumdCbPKkyQjNpbf2HS0905Y= X-MC-Unique: hqy8umx2Oy22FLydjmJPmQ-1 X-Mimecast-MFC-AGG-ID: hqy8umx2Oy22FLydjmJPmQ_1769154788 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Gerd Hoffmann , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH 32/37] audio: split AudioBackend Date: Fri, 23 Jan 2026 11:49:35 +0400 Message-ID: <20260123074945.2563196-33-marcandre.lureau@redhat.com> In-Reply-To: <20260123074945.2563196-1-marcandre.lureau@redhat.com> References: <20260123074945.2563196-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 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=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.07, 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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, 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 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: 1769155003438154100 From: Marc-Andr=C3=A9 Lureau Code clean-up, to allow building bare abstract class separately. The original file is MIT-licensed. Signed-off-by: Marc-Andr=C3=A9 Lureau --- include/qemu/audio.h | 2 + audio/audio-be.c | 210 ++++++++++++++++++++++++++++++++++++++++++ audio/audio.c | 211 +------------------------------------------ audio/meson.build | 1 + 4 files changed, 215 insertions(+), 209 deletions(-) create mode 100644 audio/audio-be.c diff --git a/include/qemu/audio.h b/include/qemu/audio.h index 4fae48886ba..9f85c6316a8 100644 --- a/include/qemu/audio.h +++ b/include/qemu/audio.h @@ -111,6 +111,8 @@ typedef struct AudioBackendClass { =20 bool AUD_backend_check(AudioBackend **be, Error **errp); =20 +AudioBackend *audio_be_new(Audiodev *dev, Error **errp); + SWVoiceOut *AUD_open_out( AudioBackend *be, SWVoiceOut *sw, diff --git a/audio/audio-be.c b/audio/audio-be.c new file mode 100644 index 00000000000..8154727dbfb --- /dev/null +++ b/audio/audio-be.c @@ -0,0 +1,210 @@ +/* SPDX-License-Identifier: MIT */ + +#include "qemu/osdep.h" +#include "qemu/audio.h" +#include "qemu/audio-capture.h" +#include "qapi/error.h" + +bool AUD_backend_check(AudioBackend **be, Error **errp) +{ + assert(be !=3D NULL); + + if (!*be) { + *be =3D audio_get_default_audio_be(errp); + if (!*be) { + return false; + } + } + + return true; +} + +SWVoiceIn *AUD_open_in( + AudioBackend *be, + SWVoiceIn *sw, + const char *name, + void *callback_opaque, + audio_callback_fn callback_fn, + const struct audsettings *as) +{ + AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); + + return klass->open_in(be, sw, name, callback_opaque, callback_fn, as); +} + +SWVoiceOut *AUD_open_out( + AudioBackend *be, + SWVoiceOut *sw, + const char *name, + void *callback_opaque, + audio_callback_fn callback_fn, + const struct audsettings *as) +{ + AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); + + return klass->open_out(be, sw, name, callback_opaque, callback_fn, as); +} + +void AUD_close_out(AudioBackend *be, SWVoiceOut *sw) +{ + AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); + + return klass->close_out(be, sw); +} + +void AUD_close_in(AudioBackend *be, SWVoiceIn *sw) +{ + AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); + + return klass->close_in(be, sw); +} + +bool AUD_is_active_out(AudioBackend *be, SWVoiceOut *sw) +{ + AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); + + return klass->is_active_out(be, sw); +} + +bool AUD_is_active_in(AudioBackend *be, SWVoiceIn *sw) +{ + AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); + + return klass->is_active_in(be, sw); +} + +size_t AUD_write(AudioBackend *be, SWVoiceOut *sw, void *buf, size_t size) +{ + AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); + + return klass->write(be, sw, buf, size); +} + +size_t AUD_read(AudioBackend *be, SWVoiceIn *sw, void *buf, size_t size) +{ + AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); + + return klass->read(be, sw, buf, size); +} + +int AUD_get_buffer_size_out(AudioBackend *be, SWVoiceOut *sw) +{ + AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); + + return klass->get_buffer_size_out(be, sw); +} + +void AUD_set_active_out(AudioBackend *be, SWVoiceOut *sw, bool on) +{ + AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); + + return klass->set_active_out(be, sw, on); +} + +void AUD_set_active_in(AudioBackend *be, SWVoiceIn *sw, bool on) +{ + AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); + + return klass->set_active_in(be, sw, on); +} + +void AUD_set_volume_out(AudioBackend *be, SWVoiceOut *sw, Volume *vol) +{ + AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); + + klass->set_volume_out(be, sw, vol); +} + +void AUD_set_volume_in(AudioBackend *be, SWVoiceIn *sw, Volume *vol) +{ + AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); + + klass->set_volume_in(be, sw, vol); +} + +CaptureVoiceOut *AUD_add_capture( + AudioBackend *be, + struct audsettings *as, + struct audio_capture_ops *ops, + void *cb_opaque) +{ + AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); + + return klass->add_capture(be, as, ops, cb_opaque); +} + +void AUD_del_capture(AudioBackend *be, CaptureVoiceOut *cap, void *cb_opaq= ue) +{ + AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); + + klass->del_capture(be, cap, cb_opaque); +} + +#ifdef CONFIG_GIO +bool audio_be_can_set_dbus_server(AudioBackend *be) +{ + AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); + + return klass->set_dbus_server !=3D NULL; +} + +bool audio_be_set_dbus_server(AudioBackend *be, + GDBusObjectManagerServer *server, + bool p2p, + Error **errp) +{ + AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); + + if (!audio_be_can_set_dbus_server(be)) { + error_setg(errp, "Audiodev '%s' is not compatible with DBus", + audio_be_get_id(be)); + return false; + } + + return klass->set_dbus_server(be, server, p2p, errp); +} +#endif + +const char *audio_be_get_id(AudioBackend *be) +{ + if (be) { + return AUDIO_BACKEND_GET_CLASS(be)->get_id(be); + } else { + return ""; + } +} + +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; +} + + +static const TypeInfo audio_be_info =3D { + .name =3D TYPE_AUDIO_BACKEND, + .parent =3D TYPE_OBJECT, + .instance_size =3D sizeof(AudioBackend), + .abstract =3D true, + .class_size =3D sizeof(AudioBackendClass), +}; + +static void register_types(void) +{ + type_register_static(&audio_be_info); +} + +type_init(register_types); diff --git a/audio/audio.c b/audio/audio.c index 3f09452e300..1d948084e80 100644 --- a/audio/audio.c +++ b/audio/audio.c @@ -869,15 +869,8 @@ static size_t audio_mixeng_backend_write(AudioBackend = *be, SWVoiceOut *sw, } } =20 -size_t AUD_write(AudioBackend *be, SWVoiceOut *sw, void *buf, size_t size) -{ - AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); - - return klass->write(be, sw, buf, size); -} - -static size_t audio_mixeng_backend_read(AudioBackend *be, SWVoiceIn *sw, - void *buf, size_t size) +static size_t audio_mixeng_backend_read(AudioBackend *be, + SWVoiceIn *sw, void *buf, size_t s= ize) { HWVoiceIn *hw; =20 @@ -900,13 +893,6 @@ static size_t audio_mixeng_backend_read(AudioBackend *= be, SWVoiceIn *sw, =20 } =20 -size_t AUD_read(AudioBackend *be, SWVoiceIn *sw, void *buf, size_t size) -{ - AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); - - return klass->read(be, sw, buf, size); -} - static int audio_mixeng_backend_get_buffer_size_out(AudioBackend *be, SWVo= iceOut *sw) { if (!sw) { @@ -920,13 +906,6 @@ static int audio_mixeng_backend_get_buffer_size_out(Au= dioBackend *be, SWVoiceOut return sw->hw->samples * sw->hw->info.bytes_per_frame; } =20 -int AUD_get_buffer_size_out(AudioBackend *be, SWVoiceOut *sw) -{ - AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); - - return klass->get_buffer_size_out(be, sw); -} - static void audio_mixeng_backend_set_active_out(AudioBackend *be, SWVoiceO= ut *sw, bool on) { @@ -977,13 +956,6 @@ static void audio_mixeng_backend_set_active_out(AudioB= ackend *be, SWVoiceOut *sw =20 } =20 -void AUD_set_active_out(AudioBackend *be, SWVoiceOut *sw, bool on) -{ - AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); - - return klass->set_active_out(be, sw, on); -} - static void audio_mixeng_backend_set_active_in(AudioBackend *be, SWVoiceIn= *sw, bool on) { HWVoiceIn *hw; @@ -1029,13 +1001,6 @@ static void audio_mixeng_backend_set_active_in(Audio= Backend *be, SWVoiceIn *sw, } } =20 -void AUD_set_active_in(AudioBackend *be, SWVoiceIn *sw, bool on) -{ - AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); - - return klass->set_active_in(be, sw, on); -} - static size_t audio_get_avail(SWVoiceIn *sw) { size_t live; @@ -1642,25 +1607,6 @@ static bool audio_mixeng_backend_realize(AudioBacken= d *abe, return true; } =20 -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; -} - static void audio_vm_change_state_handler (void *opaque, bool running, RunState state) { @@ -1684,14 +1630,6 @@ static void audio_vm_change_state_handler (void *opa= que, bool running, =20 static const VMStateDescription vmstate_audio; =20 -static void audio_be_init(Object *obj) -{ -} - -static void audio_be_finalize(Object *obj) -{ -} - static const char *audio_mixeng_backend_get_id(AudioBackend *be) { return AUDIO_MIXENG_BACKEND(be)->dev->id; @@ -1713,60 +1651,6 @@ static void audio_mixeng_backend_set_volume_out(Audi= oBackend *be, SWVoiceOut *sw static void audio_mixeng_backend_set_volume_in(AudioBackend *be, SWVoiceIn= *sw, Volume *vol); =20 -SWVoiceOut *AUD_open_out( - AudioBackend *be, - SWVoiceOut *sw, - const char *name, - void *callback_opaque, - audio_callback_fn callback_fn, - const struct audsettings *as) -{ - AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); - - return klass->open_out(be, sw, name, callback_opaque, callback_fn, as); -} - -SWVoiceIn *AUD_open_in( - AudioBackend *be, - SWVoiceIn *sw, - const char *name, - void *callback_opaque, - audio_callback_fn callback_fn, - const struct audsettings *as) -{ - AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); - - return klass->open_in(be, sw, name, callback_opaque, callback_fn, as); -} - -void AUD_close_out(AudioBackend *be, SWVoiceOut *sw) -{ - AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); - - return klass->close_out(be, sw); -} - -void AUD_close_in(AudioBackend *be, SWVoiceIn *sw) -{ - AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); - - return klass->close_in(be, sw); -} - -bool AUD_is_active_out(AudioBackend *be, SWVoiceOut *sw) -{ - AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); - - return klass->is_active_out(be, sw); -} - -bool AUD_is_active_in(AudioBackend *be, SWVoiceIn *sw) -{ - AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); - - return klass->is_active_in(be, sw); -} - static void audio_mixeng_backend_class_init(ObjectClass *klass, const void= *data) { AudioBackendClass *be =3D AUDIO_BACKEND_CLASS(klass); @@ -1971,20 +1855,6 @@ AudioBackend *audio_get_default_audio_be(Error **err= p) return default_audio_be; } =20 -bool AUD_backend_check(AudioBackend **be, Error **errp) -{ - assert(be !=3D NULL); - - if (!*be) { - *be =3D audio_get_default_audio_be(errp); - if (!*be) { - return false; - } - } - - return true; -} - static struct audio_pcm_ops capture_pcm_ops; =20 static CaptureVoiceOut *audio_mixeng_backend_add_capture( @@ -2061,17 +1931,6 @@ static CaptureVoiceOut *audio_mixeng_backend_add_cap= ture( return cap; } =20 -CaptureVoiceOut *AUD_add_capture( - AudioBackend *be, - struct audsettings *as, - struct audio_capture_ops *ops, - void *cb_opaque) -{ - AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); - - return klass->add_capture(be, as, ops, cb_opaque); -} - static void audio_mixeng_backend_del_capture( AudioBackend *be, CaptureVoiceOut *cap, @@ -2114,13 +1973,6 @@ static void audio_mixeng_backend_del_capture( } } =20 -void AUD_del_capture(AudioBackend *be, CaptureVoiceOut *cap, void *cb_opaq= ue) -{ - AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); - - klass->del_capture(be, cap, cb_opaque); -} - static void audio_mixeng_backend_set_volume_out(AudioBackend *be, SWVoiceO= ut *sw, Volume *vol) { @@ -2138,13 +1990,6 @@ static void audio_mixeng_backend_set_volume_out(Audi= oBackend *be, SWVoiceOut *sw } } =20 -void AUD_set_volume_out(AudioBackend *be, SWVoiceOut *sw, Volume *vol) -{ - AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); - - klass->set_volume_out(be, sw, vol); -} - static void audio_mixeng_backend_set_volume_in(AudioBackend *be, SWVoiceIn= *sw, Volume *vol) { @@ -2162,13 +2007,6 @@ static void audio_mixeng_backend_set_volume_in(Audio= Backend *be, SWVoiceIn *sw, } } =20 -void AUD_set_volume_in(AudioBackend *be, SWVoiceIn *sw, Volume *vol) -{ - AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); - - klass->set_volume_in(be, sw, vol); -} - static void audio_create_pdos(Audiodev *dev) { switch (dev->driver) { @@ -2422,40 +2260,6 @@ AudioBackend *audio_be_by_name(const char *name, Err= or **errp) } } =20 -#ifdef CONFIG_GIO -bool audio_be_can_set_dbus_server(AudioBackend *be) -{ - AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); - - return klass->set_dbus_server !=3D NULL; -} - -bool audio_be_set_dbus_server(AudioBackend *be, - GDBusObjectManagerServer *server, - bool p2p, - Error **errp) -{ - AudioBackendClass *klass =3D AUDIO_BACKEND_GET_CLASS(be); - - if (!audio_be_can_set_dbus_server(be)) { - error_setg(errp, "Audiodev '%s' is not compatible with DBus", - audio_be_get_id(be)); - return false; - } - - return klass->set_dbus_server(be, server, p2p, errp); -} -#endif - -const char *audio_be_get_id(AudioBackend *be) -{ - if (be) { - return AUDIO_BACKEND_GET_CLASS(be)->get_id(be); - } else { - return ""; - } -} - const char *audio_application_name(void) { const char *vm_name; @@ -2519,16 +2323,6 @@ AudiodevList *qmp_query_audiodevs(Error **errp) return ret; } =20 -static const TypeInfo audio_be_info =3D { - .name =3D TYPE_AUDIO_BACKEND, - .parent =3D TYPE_OBJECT, - .instance_size =3D sizeof(AudioBackend), - .instance_init =3D audio_be_init, - .instance_finalize =3D audio_be_finalize, - .abstract =3D true, - .class_size =3D sizeof(AudioBackendClass), -}; - static const TypeInfo audio_mixeng_backend_info =3D { .name =3D TYPE_AUDIO_MIXENG_BACKEND, .parent =3D TYPE_AUDIO_BACKEND, @@ -2542,7 +2336,6 @@ static const TypeInfo audio_mixeng_backend_info =3D { =20 static void register_types(void) { - type_register_static(&audio_be_info); type_register_static(&audio_mixeng_backend_info); } =20 diff --git a/audio/meson.build b/audio/meson.build index a5fec14fb3a..417670bd4c7 100644 --- a/audio/meson.build +++ b/audio/meson.build @@ -1,6 +1,7 @@ audio_ss =3D ss.source_set() audio_ss.add(files( 'audio.c', + 'audio-be.c', 'mixeng.c', 'noaudio.c', 'wavaudio.c', --=20 2.52.0