Merge "Audio HAL: Add new HAL for sound dose"

audio/aidl/Android.bp

@@ -168,6 +168,53 @@ cc_defaults {
     ],
 }
 
+// Used for the standalone sounddose HAL
+aidl_interface {
+    name: "android.hardware.audio.core.sounddose",
+    defaults: [
+        "android.hardware.audio_defaults",
+    ],
+    srcs: [
+        "android/hardware/audio/core/ISoundDose.aidl",
+    ],
+    imports: [
+        "android.media.audio.common.types-V2",
+    ],
+    backend: {
+        // The C++ backend is disabled transitively due to use of FMQ by the core HAL.
+        cpp: {
+            enabled: false,
+        },
+        java: {
+            sdk_version: "module_current",
+        },
+    },
+    versions_with_info: [
+        // IMPORTANT: Update latest_android_hardware_audio_core_sounddose every time you
+        // add the latest frozen version to versions_with_info
+    ],
+}
+
+// Note: This should always be one version ahead of the last frozen version
+latest_android_hardware_audio_core_sounddose = "android.hardware.audio.core.sounddose-V1"
+
+// Modules that depend on android.hardware.audio.core.sounddose directly can include
+// the following cc_defaults to avoid explicitly managing dependency versions
+// across many scattered files.
+cc_defaults {
+    name: "latest_android_hardware_audio_core_sounddose_ndk_shared",
+    shared_libs: [
+        latest_android_hardware_audio_core_sounddose + "-ndk",
+    ],
+}
+
+cc_defaults {
+    name: "latest_android_hardware_audio_core_sounddose_ndk_static",
+    static_libs: [
+        latest_android_hardware_audio_core_sounddose + "-ndk",
+    ],
+}
+
 aidl_interface {
     name: "android.hardware.audio.effect",
     defaults: [

audio/aidl/aidl_api/android.hardware.audio.core.sounddose/current/android/hardware/audio/core/ISoundDose.aidl

@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.audio.core;
+@VintfStability
+interface ISoundDose {
+  void setOutputRs2(float rs2ValueDbA);
+  float getOutputRs2();
+  void registerSoundDoseCallback(in android.hardware.audio.core.ISoundDose.IHalSoundDoseCallback callback);
+  const int DEFAULT_MAX_RS2 = 100;
+  const int MIN_RS2 = 80;
+  @VintfStability
+  interface IHalSoundDoseCallback {
+    oneway void onMomentaryExposureWarning(float currentDbA, in android.media.audio.common.AudioDevice audioDevice);
+    oneway void onNewMelValues(in android.hardware.audio.core.ISoundDose.IHalSoundDoseCallback.MelRecord melRecord, in android.media.audio.common.AudioDevice audioDevice);
+    @VintfStability
+    parcelable MelRecord {
+      float[] melValues;
+      long timestamp;
+    }
+  }
+}

audio/aidl/default/Android.bp

@@ -29,6 +29,29 @@ cc_defaults {
     ],
 }
 
+cc_library {
+    name: "libaudioservicesounddoseimpl",
+    vendor: true,
+    defaults: [
+        "latest_android_media_audio_common_types_ndk_shared",
+        "latest_android_hardware_audio_core_sounddose_ndk_shared",
+        "latest_android_hardware_audio_sounddose_ndk_shared",
+    ],
+    export_include_dirs: ["include"],
+    srcs: [
+        "SoundDose.cpp",
+    ],
+    shared_libs: [
+        "libbase",
+        "libbinder_ndk",
+        "libcutils",
+        "libutils",
+    ],
+    visibility: [
+        "//hardware/interfaces/audio/aidl/sounddose/default",
+    ],
+}
+
 cc_library_static {
     name: "libaudioserviceexampleimpl",
     defaults: [

audio/aidl/sounddose/Android.bp

@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
+aidl_interface {
+    name: "android.hardware.audio.sounddose",
+    host_supported: true,
+    vendor_available: true,
+    stability: "vintf",
+    srcs: [
+        "android/hardware/audio/sounddose/ISoundDoseFactory.aidl",
+    ],
+    imports: [
+        latest_android_hardware_audio_core_sounddose,
+    ],
+    backend: {
+        // The C++ backend is disabled transitively due to use by core audio HAL.
+        cpp: {
+            enabled: false,
+        },
+        java: {
+            sdk_version: "module_current",
+        },
+    },
+    versions_with_info: [
+        // IMPORTANT: Update latest_android_hardware_audio_sounddose every time you
+        // add the latest frozen version to versions_with_info
+    ],
+}
+
+// Note: This should always be one version ahead of the last frozen version
+latest_android_hardware_audio_sounddose = "android.hardware.audio.sounddose-V1"
+
+// Modules that depend on android.hardware.audio.sounddose directly can include
+// the following cc_defaults to avoid explicitly managing dependency versions
+// across many scattered files.
+cc_defaults {
+    name: "latest_android_hardware_audio_sounddose_ndk_shared",
+    shared_libs: [
+        latest_android_hardware_audio_sounddose + "-ndk",
+    ],
+}
+
+cc_defaults {
+    name: "latest_android_hardware_audio_sounddose_ndk_static",
+    static_libs: [
+        latest_android_hardware_audio_sounddose + "-ndk",
+    ],
+}

audio/aidl/sounddose/aidl_api/android.hardware.audio.core.sounddose/current/android/hardware/audio/core/ISoundDose.aidl

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.audio.core;
+@VintfStability
+interface ISoundDose {
+  void setOutputRs2(float rs2ValueDbA);
+  float getOutputRs2();
+  void registerSoundDoseCallback(in android.hardware.audio.core.ISoundDose.IHalSoundDoseCallback callback);
+  const int DEFAULT_MAX_RS2 = 100;
+  @VintfStability
+  interface IHalSoundDoseCallback {
+    oneway void onMomentaryExposureWarning(float currentDbA, in android.media.audio.common.AudioDevice audioDevice);
+    oneway void onNewMelValues(in android.hardware.audio.core.ISoundDose.IHalSoundDoseCallback.MelRecord melRecord, in android.media.audio.common.AudioDevice audioDevice);
+    @VintfStability
+    parcelable MelRecord {
+      float[] melValues;
+      long timestamp;
+    }
+  }
+}

audio/aidl/sounddose/aidl_api/android.hardware.audio.sounddose/current/android/hardware/audio/sounddose/ISoundDoseFactory.aidl

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.audio.sounddose;
+@VintfStability
+interface ISoundDoseFactory {
+  @nullable android.hardware.audio.core.ISoundDose getSoundDose(in @utf8InCpp String module);
+}

audio/aidl/sounddose/android/hardware/audio/sounddose/ISoundDoseFactory.aidl

@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.audio.sounddose;
+
+import android.hardware.audio.core.ISoundDose;
+
+/**
+ * This interface is used to provide an easy way to implement the ISoundDose interface
+ * without switching the audio HAL to AIDL. The implementation is intended as a workaround
+ * for the certification with IEC62368-1 3rd edition and EN50332-3.
+ * Note that this interface will be deprecated in favor of the audio AIDL HAL.
+ */
+@VintfStability
+interface ISoundDoseFactory {
+    /**
+     * Retrieve the sound dose interface for a given audio HAL module name.
+     *
+     * If a device must comply to IEC62368-1 3rd edition audio safety requirements and is
+     * implementing audio offload decoding or other direct playback paths where volume control
+     * happens below the audio HAL, it must return an instance of the ISoundDose interface.
+     * The same instance must be returned during the lifetime of the HAL module.
+     * If the HAL module does not support sound dose, null must be returned, without throwing
+     * any errors.
+     *
+     * @param module for which we trigger sound dose updates.
+     * @return An instance of the ISoundDose interface implementation.
+     * @throws EX_ILLEGAL_STATE If there was an error creating an instance.
+     */
+    @nullable ISoundDose getSoundDose(in @utf8InCpp String module);
+}

audio/aidl/sounddose/default/Android.bp

@@ -0,0 +1,46 @@
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
+cc_defaults {
+    name: "aidlsounddoseservice_defaults",
+    vendor: true,
+    header_libs: [
+        "libsounddoseaidl_headers",
+    ],
+}
+
+cc_library {
+    name: "libsounddoseserviceexampleimpl",
+    defaults: [
+        "aidlsounddoseservice_defaults",
+        "latest_android_media_audio_common_types_ndk_shared",
+        "latest_android_hardware_audio_core_sounddose_ndk_shared",
+        "latest_android_hardware_audio_sounddose_ndk_shared",
+    ],
+    export_include_dirs: ["include"],
+    srcs: [
+        "SoundDoseFactory.cpp",
+    ],
+    shared_libs: [
+        "libaudioservicesounddoseimpl",
+        "libbase",
+        "libbinder_ndk",
+    ],
+
+    visibility: [
+        "//hardware/interfaces/audio/common/all-versions/default/service",
+    ],
+}
+
+cc_library_headers {
+    name: "libsounddoseaidl_headers",
+    export_include_dirs: ["include"],
+    vendor_available: true,
+    host_supported: true,
+}

audio/aidl/sounddose/default/SoundDoseFactory.cpp

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "AHAL_SoundDoseFactory"
+
+#include "SoundDoseFactory.h"
+
+#include <android-base/logging.h>
+#include <core-impl/SoundDose.h>
+
+namespace aidl::android::hardware::audio::sounddose {
+
+using ::aidl::android::hardware::audio::core::SoundDose;
+
+ndk::ScopedAStatus SoundDoseFactory::getSoundDose(const std::string& in_module,
+                                                  std::shared_ptr<ISoundDose>* _aidl_return) {
+    auto soundDoseIt = mSoundDoseBinderMap.find(in_module);
+    if (soundDoseIt != mSoundDoseBinderMap.end()) {
+        *_aidl_return = ISoundDose::fromBinder(soundDoseIt->second);
+
+        LOG(DEBUG) << __func__
+                   << ": returning cached instance of ISoundDose: " << _aidl_return->get()
+                   << " for module " << in_module;
+        return ndk::ScopedAStatus::ok();
+    }
+
+    auto soundDose = ndk::SharedRefBase::make<SoundDose>();
+    mSoundDoseBinderMap[in_module] = soundDose->asBinder();
+    *_aidl_return = soundDose;
+
+    LOG(DEBUG) << __func__ << ": returning new instance of ISoundDose: " << _aidl_return->get()
+               << " for module " << in_module;
+    return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace aidl::android::hardware::audio::sounddose

audio/aidl/sounddose/default/include/SoundDoseFactory.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <aidl/android/hardware/audio/core/ISoundDose.h>
+#include <aidl/android/hardware/audio/sounddose/BnSoundDoseFactory.h>
+#include <android/binder_interface_utils.h>
+
+#include <unordered_map>
+
+namespace aidl::android::hardware::audio::sounddose {
+
+using ::aidl::android::hardware::audio::core::ISoundDose;
+
+class SoundDoseFactory : public BnSoundDoseFactory {
+  public:
+    ndk::ScopedAStatus getSoundDose(const std::string& module,
+                                    std::shared_ptr<ISoundDose>* _aidl_return) override;
+
+  private:
+    std::unordered_map<std::string, ndk::SpAIBinder> mSoundDoseBinderMap;
+};
+
+}  // namespace aidl::android::hardware::audio::sounddose

audio/aidl/sounddose/vts/Android.bp

@@ -0,0 +1,36 @@
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
+cc_test {
+    name: "VtsHalSoundDoseFactoryTargetTest",
+    defaults: [
+        "latest_android_hardware_audio_core_sounddose_ndk_static",
+        "latest_android_hardware_audio_sounddose_ndk_static",
+        "latest_android_media_audio_common_types_ndk_static",
+        "use_libaidlvintf_gtest_helper_static",
+        "VtsHalTargetTestDefaults",
+    ],
+    shared_libs: [
+        "libbinder_ndk",
+        "libcutils",
+    ],
+    srcs: [
+        "VtsHalSoundDoseFactoryTargetTest.cpp",
+    ],
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+        "-Wthread-safety",
+    ],
+    test_suites: [
+        "general-tests",
+        "vts",
+    ],
+}

audio/aidl/sounddose/vts/TEST_MAPPING

@@ -0,0 +1,7 @@
+{
+  "presubmit": [
+    {
+      "name": "VtsHalSoundDoseFactoryTargetTest"
+    }
+  ]
+}

audio/aidl/sounddose/vts/VtsHalSoundDoseFactoryTargetTest.cpp

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "VtsHalSoundDose.Factory"
+#include <android-base/logging.h>
+
+#include <aidl/Gtest.h>
+#include <aidl/Vintf.h>
+#include <aidl/android/hardware/audio/sounddose/ISoundDoseFactory.h>
+#include <android/binder_manager.h>
+
+#include <memory>
+
+namespace android::hardware::audio::common::testing {
+
+namespace detail {
+
+inline ::testing::AssertionResult assertIsOk(const char* expr, const ::ndk::ScopedAStatus& status) {
+    if (status.isOk()) {
+        return ::testing::AssertionSuccess();
+    }
+    return ::testing::AssertionFailure()
+           << "Expected the transaction \'" << expr << "\' to succeed\n"
+           << "  but it has failed with: " << status;
+}
+
+}  // namespace detail
+
+}  // namespace android::hardware::audio::common::testing
+
+// Test that the transaction status 'isOk'
+#define EXPECT_IS_OK(ret) \
+    EXPECT_PRED_FORMAT1(::android::hardware::audio::common::testing::detail::assertIsOk, ret)
+
+using namespace android;
+
+using aidl::android::hardware::audio::core::ISoundDose;
+using aidl::android::hardware::audio::sounddose::ISoundDoseFactory;
+
+class SoundDoseFactory : public testing::TestWithParam<std::string> {
+  public:
+    void SetUp() override { ASSERT_NO_FATAL_FAILURE(ConnectToService(GetParam())); }
+
+    void TearDown() override {}
+
+    void ConnectToService(const std::string& interfaceName) {
+        ndk::SpAIBinder binder =
+                ndk::SpAIBinder(AServiceManager_waitForService(interfaceName.c_str()));
+        if (binder == nullptr) {
+            LOG(ERROR) << "Failed to get service " << interfaceName;
+        } else {
+            LOG(DEBUG) << "Succeeded to get service " << interfaceName;
+        }
+        soundDoseFactory = ISoundDoseFactory::fromBinder(binder);
+        ASSERT_NE(soundDoseFactory, nullptr);
+    }
+
+    std::shared_ptr<ISoundDoseFactory> soundDoseFactory;
+};
+
+TEST_P(SoundDoseFactory, GetSoundDoseForSameModule) {
+    const std::string module = "primary";
+
+    std::shared_ptr<ISoundDose> soundDose1;
+    EXPECT_IS_OK(soundDoseFactory->getSoundDose(module, &soundDose1));
+
+    if (soundDose1 == nullptr) {
+        LOG(WARNING) << "Primary module does not support sound dose";
+        return;
+    }
+
+    std::shared_ptr<ISoundDose> soundDose2;
+    EXPECT_IS_OK(soundDoseFactory->getSoundDose(module, &soundDose2));
+    EXPECT_NE(nullptr, soundDose2);
+    EXPECT_EQ(soundDose1->asBinder(), soundDose2->asBinder())
+            << "getSoundDose must return the same interface for the same module";
+}
+
+INSTANTIATE_TEST_SUITE_P(
+        SoundDoseFactoryTest, SoundDoseFactory,
+        testing::ValuesIn(android::getAidlHalInstanceNames(ISoundDoseFactory::descriptor)),
+        android::PrintInstanceNameToString);
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(SoundDoseFactory);

audio/aidl/vts/Android.bp

@@ -24,6 +24,7 @@ cc_defaults {
         "android.hardware.common-V2-ndk",
         "android.hardware.common.fmq-V1-ndk",
         "libaudioaidlcommon",
+        "libaidlcommonsupport",
     ],
     header_libs: ["libaudioaidl_headers"],
     cflags: [

audio/common/all-versions/default/service/Android.bp

@@ -38,9 +38,15 @@ cc_binary {
     name: "android.hardware.audio.service",
 
     init_rc: ["android.hardware.audio.service.rc"],
+    vintf_fragments: ["android.hardware.audio.sounddose-aidl.xml"],
     relative_install_path: "hw",
     vendor: true,
 
+    defaults: [
+        "android_hardware_audio_config_defaults",
+        "latest_android_hardware_audio_sounddose_ndk_shared",
+    ],
+
     srcs: ["service.cpp"],
 
     cflags: [
@@ -50,6 +56,7 @@ cc_binary {
     ],
 
     shared_libs: [
+        "//hardware/interfaces/audio/aidl/sounddose/default:libsounddoseserviceexampleimpl",
         "libcutils",
         "libbinder",
         "libbinder_ndk",
@@ -58,10 +65,6 @@ cc_binary {
         "libutils",
         "libhardware",
     ],
-
-    defaults: [
-        "android_hardware_audio_config_defaults",
-    ],
 }
 
 // Legacy service name, use android.hardware.audio.service instead

audio/common/all-versions/default/service/android.hardware.audio.sounddose-aidl.xml

@@ -0,0 +1,7 @@
+<manifest version="1.0" type="device">
+  <hal format="aidl">
+    <name>android.hardware.audio.sounddose</name>
+    <version>1</version>
+    <fqname>ISoundDoseFactory/default</fqname>
+  </hal>
+</manifest>

audio/common/all-versions/default/service/service.cpp

@@ -20,6 +20,10 @@
 #include <string>
 #include <vector>
 
+#include <SoundDoseFactory.h>
+#include <android-base/logging.h>
+#include <android/binder_ibinder_platform.h>
+#include <android/binder_manager.h>
 #include <android/binder_process.h>
 #include <binder/ProcessState.h>
 #include <cutils/properties.h>
@@ -33,6 +37,8 @@ using android::OK;
 
 using InterfacesList = std::vector<std::string>;
 
+using aidl::android::hardware::audio::sounddose::SoundDoseFactory;
+
 /** Try to register the provided factories in the provided order.
  *  If any registers successfully, do not register any other and return true.
  *  If all fail, return false.
@@ -164,5 +170,13 @@ int main(int /* argc */, char* /* argv */ []) {
         }
     }
 
+    // Register ISoundDoseFactory interface as a workaround for using the audio AIDL HAL
+    auto soundDoseDefault = ndk::SharedRefBase::make<SoundDoseFactory>();
+    const std::string soundDoseDefaultName =
+            std::string() + SoundDoseFactory::descriptor + "/default";
+    binder_status_t status = AServiceManager_addService(soundDoseDefault->asBinder().get(),
+                                                        soundDoseDefaultName.c_str());
+    CHECK_EQ(STATUS_OK, status);
+
     joinRpcThreadpool();
 }

compatibility_matrices/compatibility_matrix.current.xml

@@ -52,6 +52,14 @@
             <instance>default</instance>
         </interface>
     </hal>
+    <hal format="aidl" optional="true">
+        <name>android.hardware.audio.sounddose</name>
+        <version>1</version>
+        <interface>
+            <name>ISoundDoseFactory</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
     <hal format="aidl" optional="true">
          <name>android.hardware.authsecret</name>
          <version>1</version>