diff --git a/audio/7.1/Android.bp b/audio/7.1/Android.bp
new file mode 100644
index 0000000..d0d96b6
--- /dev/null
+++ b/audio/7.1/Android.bp
@@ -0,0 +1,30 @@
+// This file is autogenerated by hidl-gen -Landroidbp.
+
+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"],
+}
+
+hidl_interface {
+    name: "android.hardware.audio@7.1",
+    root: "android.hardware",
+    srcs: [
+        "IDevice.hal",
+        "IDevicesFactory.hal",
+        "IPrimaryDevice.hal",
+        "IStreamIn.hal",
+        "IStreamOut.hal",
+    ],
+    interfaces: [
+        "android.hardware.audio@7.0",
+        "android.hardware.audio.common@7.0",
+        "android.hidl.base@1.0",
+        "android.hidl.safe_union@1.0",
+    ],
+    gen_java: false,
+    gen_java_constants: false,
+}
diff --git a/audio/7.1/IDevice.hal b/audio/7.1/IDevice.hal
new file mode 100644
index 0000000..373d17f
--- /dev/null
+++ b/audio/7.1/IDevice.hal
@@ -0,0 +1,88 @@
+/*
+ * 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@7.1;
+
+import android.hardware.audio.common@7.0;
+import @7.0::AudioInOutFlag;
+import @7.0::IDevice;
+import @7.0::Result;
+import IStreamIn;
+import IStreamOut;
+
+interface IDevice extends @7.0::IDevice {
+    /**
+     * This method creates and opens the audio hardware output stream.
+     * If the stream can not be opened with the proposed audio config,
+     * HAL must provide suggested values for the audio config.
+     *
+     * Note: INVALID_ARGUMENTS is returned both in the case when the
+     * HAL can not use the provided config and in the case when
+     * the value of any argument is invalid. In the latter case the
+     * HAL must provide a default initialized suggested config.
+     *
+     * @param ioHandle handle assigned by AudioFlinger.
+     * @param device device type and (if needed) address.
+     * @param config stream configuration.
+     * @param flags additional flags.
+     * @param sourceMetadata Description of the audio that will be played.
+                             May be used by implementations to configure hardware effects.
+     * @return retval operation completion status.
+     * @return outStream created output stream.
+     * @return suggestedConfig in the case of rejection of the proposed config,
+     *                         a config suggested by the HAL.
+     */
+    openOutputStream_7_1(
+            AudioIoHandle ioHandle,
+            DeviceAddress device,
+            AudioConfig config,
+            vec<AudioInOutFlag> flags,
+            SourceMetadata sourceMetadata) generates (
+                    Result retval,
+                    IStreamOut outStream,
+                    AudioConfig suggestedConfig);
+
+    /**
+     * This method creates and opens the audio hardware input stream.
+     * If the stream can not be opened with the proposed audio config,
+     * HAL must provide suggested values for the audio config.
+     *
+     * Note: INVALID_ARGUMENTS is returned both in the case when the
+     * HAL can not use the provided config and in the case when
+     * the value of any argument is invalid. In the latter case the
+     * HAL must provide a default initialized suggested config.
+     *
+     * @param ioHandle handle assigned by AudioFlinger.
+     * @param device device type and (if needed) address.
+     * @param config stream configuration.
+     * @param flags additional flags.
+     * @param sinkMetadata Description of the audio that is suggested by the client.
+     *                     May be used by implementations to configure processing effects.
+     * @return retval operation completion status.
+     * @return inStream in case of success, created input stream.
+     * @return suggestedConfig in the case of rejection of the proposed config,
+     *                         a config suggested by the HAL.
+     */
+    openInputStream_7_1(
+            AudioIoHandle ioHandle,
+            DeviceAddress device,
+            AudioConfig config,
+            vec<AudioInOutFlag> flags,
+            SinkMetadata sinkMetadata) generates (
+                    Result retval,
+                    IStreamIn inStream,
+                    AudioConfig suggestedConfig);
+};
diff --git a/audio/7.1/IDevicesFactory.hal b/audio/7.1/IDevicesFactory.hal
new file mode 100644
index 0000000..7669614
--- /dev/null
+++ b/audio/7.1/IDevicesFactory.hal
@@ -0,0 +1,73 @@
+/*
+ * 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@7.1;
+
+import @7.0::IDevicesFactory;
+import @7.0::Result;
+import IDevice;
+import IPrimaryDevice;
+
+/**
+ * This factory allows a HAL implementation to be split in multiple independent
+ * devices (called module in the pre-treble API). Note that this division is
+ * arbitrary and implementation are free to only have a Primary. The framework
+ * will query the devices according to audio_policy_configuration.xml
+ *
+ * Each device name is arbitrary, provided by the vendor's audio_policy_configuration.xml
+ * and only used to identify a device in this factory.
+ * The framework must not interpret the name, treating it as a vendor opaque data
+ * with the following exception:
+ * - the "r_submix" device that must be present to support policyMixes (Eg: Android projected).
+ *   Note that this Device is included by default in a build derived from AOSP.
+ */
+interface IDevicesFactory extends @7.0::IDevicesFactory {
+
+    /**
+     * Opens an audio device. To close the device, it is necessary to call
+     * 'close' method on the returned device object.
+     *
+     * Important note: due to rules of HIDL, @7.1::IPrimaryDevice extends
+     * @7.0::IPrimaryDevice, rather than @7.1::IDevice. Thus the returned
+     * IDevice interface can not be up-casted to @7.1::IPrimaryDevice for the
+     * primary device. The client needs to use IPrimaryDevice instead of this
+     * method if it needs full functionality of the IPrimaryDevice interface.
+     *
+     * @param device device name.
+     * @return retval operation completion status. Returns INVALID_ARGUMENTS
+     *         if there is no corresponding hardware module found,
+     *         NOT_INITIALIZED if an error occurred while opening the hardware
+     *         module.
+     * @return result the interface for the created device.
+     */
+    openDevice_7_1(string device) generates (Result retval, IDevice result);
+
+    /**
+     * Opens the Primary audio device that must be present.
+     * This function is not optional and must return successfully the primary device.
+     *
+     * This device must have the name "primary".
+     *
+     * The telephony stack uses this device to control the audio during a voice call.
+     *
+     * @return retval operation completion status. Must be SUCCESS.
+     *         For debugging, return INVALID_ARGUMENTS if there is no corresponding
+     *         hardware module found, NOT_INITIALIZED if an error occurred
+     *         while opening the hardware module.
+     * @return result the interface for the created device.
+     */
+    openPrimaryDevice_7_1() generates (Result retval, IPrimaryDevice result);
+};
diff --git a/audio/7.1/IPrimaryDevice.hal b/audio/7.1/IPrimaryDevice.hal
new file mode 100644
index 0000000..1659671
--- /dev/null
+++ b/audio/7.1/IPrimaryDevice.hal
@@ -0,0 +1,34 @@
+/*
+ * 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@7.1;
+
+import android.hardware.audio.common@7.0;
+import @7.0::IPrimaryDevice;
+import IDevice;
+
+interface IPrimaryDevice extends @7.0::IPrimaryDevice {
+    /**
+     * Retrieve the generic @7.1::IDevice interface.
+     *
+     * Since @7.1::IPrimaryDevice extends @7.0::IPrimaryDevice, the interface
+     * reference can not be downcasted to @7.1::IDevice using standard methods.
+     * For this reason a dedicated interface method is provided.
+     *
+     * @return result the generic part of the interface.
+     */
+    getDevice() generates (IDevice result);
+};
diff --git a/audio/7.1/IStreamIn.hal b/audio/7.1/IStreamIn.hal
new file mode 100644
index 0000000..abebe6a
--- /dev/null
+++ b/audio/7.1/IStreamIn.hal
@@ -0,0 +1,22 @@
+/*
+ * 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@7.1;
+
+import @7.0::IStreamIn;
+
+interface IStreamIn extends @7.0::IStreamIn {
+};
diff --git a/audio/7.1/IStreamOut.hal b/audio/7.1/IStreamOut.hal
new file mode 100644
index 0000000..092a9a0
--- /dev/null
+++ b/audio/7.1/IStreamOut.hal
@@ -0,0 +1,22 @@
+/*
+ * 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@7.1;
+
+import @7.0::IStreamOut;
+
+interface IStreamOut extends @7.0::IStreamOut {
+};
diff --git a/audio/7.1/config/Android.bp b/audio/7.1/config/Android.bp
new file mode 100644
index 0000000..70c8fd4
--- /dev/null
+++ b/audio/7.1/config/Android.bp
@@ -0,0 +1,31 @@
+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"],
+}
+
+xsd_config {
+    name: "audio_policy_configuration_V7_1",
+    srcs: ["audio_policy_configuration.xsd"],
+    package_name: "android.audio.policy.configuration.V7_1",
+    nullability: true,
+}
+
+xsd_config {
+    name: "audio_policy_configuration_V7_1_enums",
+    srcs: ["audio_policy_configuration.xsd"],
+    package_name: "android.audio.policy.configuration.V7_1",
+    nullability: true,
+    enums_only: true,
+}
+
+xsd_config {
+    name: "audio_policy_configuration_V7_1_parser",
+    srcs: ["audio_policy_configuration.xsd"],
+    package_name: "android.audio.policy.configuration.V7_1",
+    nullability: true,
+    parser_only: true,
+}
diff --git a/audio/7.1/config/api/current.txt b/audio/7.1/config/api/current.txt
new file mode 100644
index 0000000..01c2e4b
--- /dev/null
+++ b/audio/7.1/config/api/current.txt
@@ -0,0 +1,592 @@
+// Signature format: 2.0
+package android.audio.policy.configuration.V7_1 {
+
+  public class AttachedDevices {
+    ctor public AttachedDevices();
+    method @Nullable public java.util.List<java.lang.String> getItem();
+  }
+
+  public enum AudioChannelMask {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_10;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_11;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_12;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_13;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_14;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_15;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_16;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_17;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_18;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_19;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_20;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_21;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_22;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_23;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_24;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_3;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_4;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_5;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_6;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_7;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_8;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_9;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_2POINT0POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_2POINT1POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_3POINT0POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_3POINT1POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_5POINT1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_6;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_FRONT_BACK;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_MONO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_STEREO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_VOICE_CALL_MONO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_VOICE_DNLINK_MONO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_VOICE_UPLINK_MONO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_NONE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_13POINT_360RA;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_22POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_2POINT0POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_2POINT1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_2POINT1POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_3POINT0POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_3POINT1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_3POINT1POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1POINT4;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1_BACK;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1_SIDE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_6POINT1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_7POINT1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_7POINT1POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_7POINT1POINT4;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_HAPTIC_AB;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_MONO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_MONO_HAPTIC_A;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_MONO_HAPTIC_AB;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_PENTA;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_QUAD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_QUAD_BACK;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_QUAD_SIDE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_STEREO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_STEREO_HAPTIC_A;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_STEREO_HAPTIC_AB;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_SURROUND;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_TRI;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_TRI_BACK;
+  }
+
+  public enum AudioContentType {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioContentType AUDIO_CONTENT_TYPE_MOVIE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioContentType AUDIO_CONTENT_TYPE_MUSIC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioContentType AUDIO_CONTENT_TYPE_SONIFICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioContentType AUDIO_CONTENT_TYPE_SPEECH;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioContentType AUDIO_CONTENT_TYPE_UNKNOWN;
+  }
+
+  public enum AudioDevice {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_AMBIENT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_AUX_DIGITAL;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_BACK_MIC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_BLE_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_BLUETOOTH_A2DP;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_BLUETOOTH_BLE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_BUILTIN_MIC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_BUS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_COMMUNICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_DEFAULT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_ECHO_REFERENCE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_FM_TUNER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_HDMI;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_HDMI_ARC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_HDMI_EARC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_IP;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_LINE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_LOOPBACK;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_PROXY;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_REMOTE_SUBMIX;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_SPDIF;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_STUB;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_TELEPHONY_RX;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_TV_TUNER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_USB_ACCESSORY;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_USB_DEVICE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_USB_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_VOICE_CALL;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_WIRED_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_NONE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_AUX_DIGITAL;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_AUX_LINE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BLE_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BLE_SPEAKER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_A2DP;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_SCO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BUS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_DEFAULT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_EARPIECE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_ECHO_CANCELLER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_FM;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_HDMI;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_HDMI_ARC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_HDMI_EARC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_HEARING_AID;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_IP;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_LINE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_PROXY;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_REMOTE_SUBMIX;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_SPDIF;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_SPEAKER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_SPEAKER_SAFE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_STUB;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_TELEPHONY_TX;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_USB_ACCESSORY;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_USB_DEVICE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_USB_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_WIRED_HEADSET;
+  }
+
+  public enum AudioEncapsulationType {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioEncapsulationType AUDIO_ENCAPSULATION_TYPE_IEC61937;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioEncapsulationType AUDIO_ENCAPSULATION_TYPE_NONE;
+  }
+
+  public enum AudioFormat {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADIF;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_ELD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_ERLC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_HE_V1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_HE_V2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_LC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_LD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_LTP;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_MAIN;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_SCALABLE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_SSR;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_XHE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ELD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ERLC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_HE_V1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_HE_V2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_LATM;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_LATM_HE_V1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_LATM_HE_V2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_LATM_LC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_LC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_LD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_LTP;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_MAIN;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_SCALABLE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_SSR;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_XHE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AC3;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AC4;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_ALAC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AMR_NB;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AMR_WB;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AMR_WB_PLUS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_APE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_APTX;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_APTX_ADAPTIVE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_APTX_HD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_APTX_TWSP;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_CELT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_DEFAULT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_DOLBY_TRUEHD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_DRA;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_DSD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_DTS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_DTS_HD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_DTS_UHD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_EVRC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_EVRCB;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_EVRCNW;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_EVRCWB;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_E_AC3;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_E_AC3_JOC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_FLAC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_HE_AAC_V1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_HE_AAC_V2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_IEC60958;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_IEC61937;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_LC3;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_LDAC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_LHDC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_LHDC_LL;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MAT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MAT_1_0;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MAT_2_0;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MAT_2_1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MP2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MP3;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MPEGH_BL_L3;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MPEGH_BL_L4;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MPEGH_LC_L3;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MPEGH_LC_L4;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_OPUS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_PCM_16_BIT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_PCM_24_BIT_PACKED;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_PCM_32_BIT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_PCM_8_24_BIT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_PCM_8_BIT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_PCM_FLOAT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_QCELP;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_SBC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_VORBIS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_WMA;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_WMA_PRO;
+  }
+
+  public enum AudioGainMode {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioGainMode AUDIO_GAIN_MODE_CHANNELS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioGainMode AUDIO_GAIN_MODE_JOINT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioGainMode AUDIO_GAIN_MODE_RAMP;
+  }
+
+  public enum AudioInOutFlag {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_INPUT_FLAG_DIRECT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_INPUT_FLAG_FAST;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_INPUT_FLAG_HW_AV_SYNC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_INPUT_FLAG_HW_HOTWORD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_INPUT_FLAG_MMAP_NOIRQ;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_INPUT_FLAG_RAW;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_INPUT_FLAG_SYNC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_INPUT_FLAG_VOIP_TX;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_DIRECT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_DIRECT_PCM;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_FAST;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_GAPLESS_OFFLOAD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_HW_AV_SYNC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_INCALL_MUSIC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_MMAP_NOIRQ;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_NON_BLOCKING;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_PRIMARY;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_RAW;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_SYNC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_TTS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_VOIP_RX;
+  }
+
+  public class AudioPolicyConfiguration {
+    ctor public AudioPolicyConfiguration();
+    method @Nullable public android.audio.policy.configuration.V7_1.GlobalConfiguration getGlobalConfiguration();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.Modules> getModules();
+    method @Nullable public android.audio.policy.configuration.V7_1.SurroundSound getSurroundSound();
+    method @Nullable public android.audio.policy.configuration.V7_1.Version getVersion();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.Volumes> getVolumes();
+    method public void setGlobalConfiguration(@Nullable android.audio.policy.configuration.V7_1.GlobalConfiguration);
+    method public void setSurroundSound(@Nullable android.audio.policy.configuration.V7_1.SurroundSound);
+    method public void setVersion(@Nullable android.audio.policy.configuration.V7_1.Version);
+  }
+
+  public enum AudioSource {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_CAMCORDER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_DEFAULT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_ECHO_REFERENCE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_FM_TUNER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_HOTWORD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_MIC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_REMOTE_SUBMIX;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_UNPROCESSED;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_VOICE_CALL;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_VOICE_COMMUNICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_VOICE_DOWNLINK;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_VOICE_PERFORMANCE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_VOICE_RECOGNITION;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_VOICE_UPLINK;
+  }
+
+  public enum AudioStreamType {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_ACCESSIBILITY;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_ALARM;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_ASSISTANT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_BLUETOOTH_SCO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_CALL_ASSISTANT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_DTMF;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_ENFORCED_AUDIBLE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_MUSIC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_NOTIFICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_PATCH;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_REROUTING;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_RING;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_SYSTEM;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_TTS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_VOICE_CALL;
+  }
+
+  public enum AudioUsage {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_ALARM;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_ANNOUNCEMENT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_ASSISTANCE_SONIFICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_ASSISTANT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_CALL_ASSISTANT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_EMERGENCY;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_GAME;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_MEDIA;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_NOTIFICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_SAFETY;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_UNKNOWN;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_VEHICLE_STATUS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_VIRTUAL_SOURCE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_VOICE_COMMUNICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING;
+  }
+
+  public enum DeviceCategory {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.DeviceCategory DEVICE_CATEGORY_EARPIECE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.DeviceCategory DEVICE_CATEGORY_EXT_MEDIA;
+    enum_constant public static final android.audio.policy.configuration.V7_1.DeviceCategory DEVICE_CATEGORY_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.DeviceCategory DEVICE_CATEGORY_HEARING_AID;
+    enum_constant public static final android.audio.policy.configuration.V7_1.DeviceCategory DEVICE_CATEGORY_SPEAKER;
+  }
+
+  public class DevicePorts {
+    ctor public DevicePorts();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.DevicePorts.DevicePort> getDevicePort();
+  }
+
+  public static class DevicePorts.DevicePort {
+    ctor public DevicePorts.DevicePort();
+    method @Nullable public String getAddress();
+    method @Nullable public java.util.List<java.lang.String> getEncodedFormats();
+    method @Nullable public android.audio.policy.configuration.V7_1.Gains getGains();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.Profile> getProfile();
+    method @Nullable public android.audio.policy.configuration.V7_1.Role getRole();
+    method @Nullable public String getTagName();
+    method @Nullable public String getType();
+    method @Nullable public boolean get_default();
+    method public void setAddress(@Nullable String);
+    method public void setEncodedFormats(@Nullable java.util.List<java.lang.String>);
+    method public void setGains(@Nullable android.audio.policy.configuration.V7_1.Gains);
+    method public void setRole(@Nullable android.audio.policy.configuration.V7_1.Role);
+    method public void setTagName(@Nullable String);
+    method public void setType(@Nullable String);
+    method public void set_default(@Nullable boolean);
+  }
+
+  public enum EngineSuffix {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.EngineSuffix _default;
+    enum_constant public static final android.audio.policy.configuration.V7_1.EngineSuffix configurable;
+  }
+
+  public class Gains {
+    ctor public Gains();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.Gains.Gain> getGain();
+  }
+
+  public static class Gains.Gain {
+    ctor public Gains.Gain();
+    method @Nullable public android.audio.policy.configuration.V7_1.AudioChannelMask getChannel_mask();
+    method @Nullable public int getDefaultValueMB();
+    method @Nullable public int getMaxRampMs();
+    method @Nullable public int getMaxValueMB();
+    method @Nullable public int getMinRampMs();
+    method @Nullable public int getMinValueMB();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.AudioGainMode> getMode();
+    method @Nullable public String getName();
+    method @Nullable public int getStepValueMB();
+    method @Nullable public boolean getUseForVolume();
+    method public void setChannel_mask(@Nullable android.audio.policy.configuration.V7_1.AudioChannelMask);
+    method public void setDefaultValueMB(@Nullable int);
+    method public void setMaxRampMs(@Nullable int);
+    method public void setMaxValueMB(@Nullable int);
+    method public void setMinRampMs(@Nullable int);
+    method public void setMinValueMB(@Nullable int);
+    method public void setMode(@Nullable java.util.List<android.audio.policy.configuration.V7_1.AudioGainMode>);
+    method public void setName(@Nullable String);
+    method public void setStepValueMB(@Nullable int);
+    method public void setUseForVolume(@Nullable boolean);
+  }
+
+  public class GlobalConfiguration {
+    ctor public GlobalConfiguration();
+    method @Nullable public boolean getCall_screen_mode_supported();
+    method @Nullable public android.audio.policy.configuration.V7_1.EngineSuffix getEngine_library();
+    method @Nullable public boolean getSpeaker_drc_enabled();
+    method public void setCall_screen_mode_supported(@Nullable boolean);
+    method public void setEngine_library(@Nullable android.audio.policy.configuration.V7_1.EngineSuffix);
+    method public void setSpeaker_drc_enabled(@Nullable boolean);
+  }
+
+  public enum HalVersion {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.HalVersion _2_0;
+    enum_constant public static final android.audio.policy.configuration.V7_1.HalVersion _3_0;
+  }
+
+  public class MixPorts {
+    ctor public MixPorts();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.MixPorts.MixPort> getMixPort();
+  }
+
+  public static class MixPorts.MixPort {
+    ctor public MixPorts.MixPort();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.AudioInOutFlag> getFlags();
+    method @Nullable public android.audio.policy.configuration.V7_1.Gains getGains();
+    method @Nullable public long getMaxActiveCount();
+    method @Nullable public long getMaxOpenCount();
+    method @Nullable public String getName();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.AudioUsage> getPreferredUsage();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.Profile> getProfile();
+    method @Nullable public android.audio.policy.configuration.V7_1.Role getRole();
+    method public void setFlags(@Nullable java.util.List<android.audio.policy.configuration.V7_1.AudioInOutFlag>);
+    method public void setGains(@Nullable android.audio.policy.configuration.V7_1.Gains);
+    method public void setMaxActiveCount(@Nullable long);
+    method public void setMaxOpenCount(@Nullable long);
+    method public void setName(@Nullable String);
+    method public void setPreferredUsage(@Nullable java.util.List<android.audio.policy.configuration.V7_1.AudioUsage>);
+    method public void setRole(@Nullable android.audio.policy.configuration.V7_1.Role);
+  }
+
+  public enum MixType {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.MixType mix;
+    enum_constant public static final android.audio.policy.configuration.V7_1.MixType mux;
+  }
+
+  public class Modules {
+    ctor public Modules();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.Modules.Module> getModule();
+  }
+
+  public static class Modules.Module {
+    ctor public Modules.Module();
+    method @Nullable public android.audio.policy.configuration.V7_1.AttachedDevices getAttachedDevices();
+    method @Nullable public String getDefaultOutputDevice();
+    method @Nullable public android.audio.policy.configuration.V7_1.DevicePorts getDevicePorts();
+    method @Nullable public android.audio.policy.configuration.V7_1.HalVersion getHalVersion();
+    method @Nullable public android.audio.policy.configuration.V7_1.MixPorts getMixPorts();
+    method @Nullable public String getName();
+    method @Nullable public android.audio.policy.configuration.V7_1.Routes getRoutes();
+    method public void setAttachedDevices(@Nullable android.audio.policy.configuration.V7_1.AttachedDevices);
+    method public void setDefaultOutputDevice(@Nullable String);
+    method public void setDevicePorts(@Nullable android.audio.policy.configuration.V7_1.DevicePorts);
+    method public void setHalVersion(@Nullable android.audio.policy.configuration.V7_1.HalVersion);
+    method public void setMixPorts(@Nullable android.audio.policy.configuration.V7_1.MixPorts);
+    method public void setName(@Nullable String);
+    method public void setRoutes(@Nullable android.audio.policy.configuration.V7_1.Routes);
+  }
+
+  public class Profile {
+    ctor public Profile();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.AudioChannelMask> getChannelMasks();
+    method @Nullable public android.audio.policy.configuration.V7_1.AudioEncapsulationType getEncapsulationType();
+    method @Nullable public String getFormat();
+    method @Nullable public String getName();
+    method @Nullable public java.util.List<java.math.BigInteger> getSamplingRates();
+    method public void setChannelMasks(@Nullable java.util.List<android.audio.policy.configuration.V7_1.AudioChannelMask>);
+    method public void setEncapsulationType(@Nullable android.audio.policy.configuration.V7_1.AudioEncapsulationType);
+    method public void setFormat(@Nullable String);
+    method public void setName(@Nullable String);
+    method public void setSamplingRates(@Nullable java.util.List<java.math.BigInteger>);
+  }
+
+  public class Reference {
+    ctor public Reference();
+    method @Nullable public String getName();
+    method @Nullable public java.util.List<java.lang.String> getPoint();
+    method public void setName(@Nullable String);
+  }
+
+  public enum Role {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.Role sink;
+    enum_constant public static final android.audio.policy.configuration.V7_1.Role source;
+  }
+
+  public class Routes {
+    ctor public Routes();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.Routes.Route> getRoute();
+  }
+
+  public static class Routes.Route {
+    ctor public Routes.Route();
+    method @Nullable public String getSink();
+    method @Nullable public String getSources();
+    method @Nullable public android.audio.policy.configuration.V7_1.MixType getType();
+    method public void setSink(@Nullable String);
+    method public void setSources(@Nullable String);
+    method public void setType(@Nullable android.audio.policy.configuration.V7_1.MixType);
+  }
+
+  public class SurroundFormats {
+    ctor public SurroundFormats();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.SurroundFormats.Format> getFormat();
+  }
+
+  public static class SurroundFormats.Format {
+    ctor public SurroundFormats.Format();
+    method @Nullable public String getName();
+    method @Nullable public java.util.List<java.lang.String> getSubformats();
+    method public void setName(@Nullable String);
+    method public void setSubformats(@Nullable java.util.List<java.lang.String>);
+  }
+
+  public class SurroundSound {
+    ctor public SurroundSound();
+    method @Nullable public android.audio.policy.configuration.V7_1.SurroundFormats getFormats();
+    method public void setFormats(@Nullable android.audio.policy.configuration.V7_1.SurroundFormats);
+  }
+
+  public enum Version {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.Version _7_0;
+    enum_constant public static final android.audio.policy.configuration.V7_1.Version _7_1;
+  }
+
+  public class Volume {
+    ctor public Volume();
+    method @Nullable public android.audio.policy.configuration.V7_1.DeviceCategory getDeviceCategory();
+    method @Nullable public java.util.List<java.lang.String> getPoint();
+    method @Nullable public String getRef();
+    method @Nullable public android.audio.policy.configuration.V7_1.AudioStreamType getStream();
+    method public void setDeviceCategory(@Nullable android.audio.policy.configuration.V7_1.DeviceCategory);
+    method public void setRef(@Nullable String);
+    method public void setStream(@Nullable android.audio.policy.configuration.V7_1.AudioStreamType);
+  }
+
+  public class Volumes {
+    ctor public Volumes();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.Reference> getReference();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.Volume> getVolume();
+  }
+
+  public class XmlParser {
+    ctor public XmlParser();
+    method @Nullable public static android.audio.policy.configuration.V7_1.AudioPolicyConfiguration read(@NonNull java.io.InputStream) throws javax.xml.datatype.DatatypeConfigurationException, java.io.IOException, org.xmlpull.v1.XmlPullParserException;
+    method @Nullable public static String readText(@NonNull org.xmlpull.v1.XmlPullParser) throws java.io.IOException, org.xmlpull.v1.XmlPullParserException;
+    method public static void skip(@NonNull org.xmlpull.v1.XmlPullParser) throws java.io.IOException, org.xmlpull.v1.XmlPullParserException;
+  }
+
+}
+
diff --git a/audio/7.1/config/api/last_current.txt b/audio/7.1/config/api/last_current.txt
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/audio/7.1/config/api/last_current.txt
diff --git a/audio/7.1/config/api/last_removed.txt b/audio/7.1/config/api/last_removed.txt
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/audio/7.1/config/api/last_removed.txt
diff --git a/audio/7.1/config/api/removed.txt b/audio/7.1/config/api/removed.txt
new file mode 100644
index 0000000..d802177
--- /dev/null
+++ b/audio/7.1/config/api/removed.txt
@@ -0,0 +1 @@
+// Signature format: 2.0
diff --git a/audio/7.1/config/audio_policy_configuration.xsd b/audio/7.1/config/audio_policy_configuration.xsd
new file mode 100644
index 0000000..731bb7c
--- /dev/null
+++ b/audio/7.1/config/audio_policy_configuration.xsd
@@ -0,0 +1,815 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright (C) 2020 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.
+-->
+<xs:schema version="2.0"
+           elementFormDefault="qualified"
+           attributeFormDefault="unqualified"
+           xmlns:xs="http://www.w3.org/2001/XMLSchema">
+    <!-- List the config versions supported by audio policy. -->
+    <xs:simpleType name="version">
+        <xs:restriction base="xs:decimal">
+            <xs:enumeration value="7.0"/>
+            <xs:enumeration value="7.1"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="halVersion">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Version of the interface the hal implements. Note that this
+                relates to legacy HAL API versions since HIDL APIs are versioned
+                using other mechanisms.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:decimal">
+            <!-- List of HAL versions supported by the framework. -->
+            <xs:enumeration value="2.0"/>
+            <xs:enumeration value="3.0"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:element name="audioPolicyConfiguration">
+        <xs:complexType>
+            <xs:sequence>
+                <xs:element name="globalConfiguration" type="globalConfiguration"/>
+                <xs:element name="modules" type="modules" maxOccurs="unbounded"/>
+                <xs:element name="volumes" type="volumes" maxOccurs="unbounded"/>
+                <xs:element name="surroundSound" type="surroundSound" minOccurs="0" />
+            </xs:sequence>
+            <xs:attribute name="version" type="version"/>
+        </xs:complexType>
+        <xs:key name="moduleNameKey">
+            <xs:selector xpath="modules/module"/>
+            <xs:field xpath="@name"/>
+        </xs:key>
+        <xs:unique name="volumeTargetUniqueness">
+            <xs:selector xpath="volumes/volume"/>
+            <xs:field xpath="@stream"/>
+            <xs:field xpath="@deviceCategory"/>
+        </xs:unique>
+        <xs:key name="volumeCurveNameKey">
+            <xs:selector xpath="volumes/reference"/>
+            <xs:field xpath="@name"/>
+        </xs:key>
+        <xs:keyref name="volumeCurveRef" refer="volumeCurveNameKey">
+            <xs:selector xpath="volumes/volume"/>
+            <xs:field xpath="@ref"/>
+        </xs:keyref>
+    </xs:element>
+    <xs:complexType name="globalConfiguration">
+        <xs:attribute name="speaker_drc_enabled" type="xs:boolean" use="required"/>
+        <xs:attribute name="call_screen_mode_supported" type="xs:boolean" use="optional"/>
+        <xs:attribute name="engine_library" type="engineSuffix" use="optional"/>
+    </xs:complexType>
+    <xs:complexType name="modules">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                There should be one section per audio HW module present on the platform.
+                Each <module/> contains two mandatory tags: “halVersion” and “name”.
+                The module "name" is the same as in previous .conf file.
+                Each module must contain the following sections:
+                 - <devicePorts/>: a list of device descriptors for all
+                   input and output devices accessible via this module.
+                   This contains both permanently attached devices and removable devices.
+                 - <mixPorts/>: listing all output and input streams exposed by the audio HAL
+                 - <routes/>: list of possible connections between input
+                   and output devices or between stream and devices.
+                   A <route/> is defined by a set of 3 attributes:
+                        -"type": mux|mix means all sources are mutual exclusive (mux) or can be mixed (mix)
+                        -"sink": the sink involved in this route
+                        -"sources": all the sources than can be connected to the sink via this route
+                 - <attachedDevices/>: permanently attached devices.
+                   The attachedDevices section is a list of devices names.
+                   Their names correspond to device names defined in "devicePorts" section.
+                 - <defaultOutputDevice/> is the device to be used when no policy rule applies
+            </xs:documentation>
+        </xs:annotation>
+        <xs:sequence>
+            <xs:element name="module" maxOccurs="unbounded">
+                <xs:complexType>
+                    <xs:sequence>
+                        <xs:element name="attachedDevices" type="attachedDevices" minOccurs="0">
+                            <xs:unique name="attachedDevicesUniqueness">
+                                <xs:selector xpath="item"/>
+                                <xs:field xpath="."/>
+                            </xs:unique>
+                        </xs:element>
+                        <xs:element name="defaultOutputDevice" type="xs:token" minOccurs="0"/>
+                        <xs:element name="mixPorts" type="mixPorts" minOccurs="0"/>
+                        <xs:element name="devicePorts" type="devicePorts" minOccurs="0"/>
+                        <xs:element name="routes" type="routes" minOccurs="0"/>
+                    </xs:sequence>
+                    <xs:attribute name="name" type="xs:string" use="required"/>
+                    <xs:attribute name="halVersion" type="halVersion" use="required"/>
+                </xs:complexType>
+                <xs:unique name="mixPortNameUniqueness">
+                    <xs:selector xpath="mixPorts/mixPort"/>
+                    <xs:field xpath="@name"/>
+                </xs:unique>
+                <xs:key name="devicePortNameKey">
+                    <xs:selector xpath="devicePorts/devicePort"/>
+                    <xs:field xpath="@tagName"/>
+                </xs:key>
+                <xs:unique name="devicePortUniqueness">
+                    <xs:selector xpath="devicePorts/devicePort"/>
+                    <xs:field xpath="@type"/>
+                    <xs:field xpath="@address"/>
+                </xs:unique>
+                <xs:keyref name="defaultOutputDeviceRef" refer="devicePortNameKey">
+                    <xs:selector xpath="defaultOutputDevice"/>
+                    <xs:field xpath="."/>
+                </xs:keyref>
+                <xs:keyref name="attachedDeviceRef" refer="devicePortNameKey">
+                    <xs:selector xpath="attachedDevices/item"/>
+                    <xs:field xpath="."/>
+                </xs:keyref>
+                <!-- The following 3 constraints try to make sure each sink port
+                     is reference in one an only one route. -->
+                <xs:key name="routeSinkKey">
+                    <!-- predicate [@type='sink'] does not work in xsd 1.0 -->
+                    <xs:selector xpath="devicePorts/devicePort|mixPorts/mixPort"/>
+                    <xs:field xpath="@tagName|@name"/>
+                </xs:key>
+                <xs:keyref name="routeSinkRef" refer="routeSinkKey">
+                    <xs:selector xpath="routes/route"/>
+                    <xs:field xpath="@sink"/>
+                </xs:keyref>
+                <xs:unique name="routeUniqueness">
+                    <xs:selector xpath="routes/route"/>
+                    <xs:field xpath="@sink"/>
+                </xs:unique>
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:complexType name="attachedDevices">
+        <xs:sequence>
+            <xs:element name="item" type="xs:token" minOccurs="0" maxOccurs="unbounded"/>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:simpleType name="audioInOutFlag">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+              The flags indicate suggested stream attributes supported by the profile.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_DIRECT" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_PRIMARY" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_FAST" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_DEEP_BUFFER" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_NON_BLOCKING" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_HW_AV_SYNC" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_TTS" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_RAW" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_SYNC" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_DIRECT_PCM" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_MMAP_NOIRQ" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_VOIP_RX" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_INCALL_MUSIC" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_GAPLESS_OFFLOAD" />
+            <xs:enumeration value="AUDIO_INPUT_FLAG_FAST" />
+            <xs:enumeration value="AUDIO_INPUT_FLAG_HW_HOTWORD" />
+            <xs:enumeration value="AUDIO_INPUT_FLAG_RAW" />
+            <xs:enumeration value="AUDIO_INPUT_FLAG_SYNC" />
+            <xs:enumeration value="AUDIO_INPUT_FLAG_MMAP_NOIRQ" />
+            <xs:enumeration value="AUDIO_INPUT_FLAG_VOIP_TX" />
+            <xs:enumeration value="AUDIO_INPUT_FLAG_HW_AV_SYNC" />
+            <xs:enumeration value="AUDIO_INPUT_FLAG_DIRECT" />
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="audioInOutFlags">
+        <xs:list itemType="audioInOutFlag" />
+    </xs:simpleType>
+    <xs:simpleType name="role">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="sink"/>
+            <xs:enumeration value="source"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:complexType name="mixPorts">
+        <xs:sequence>
+            <xs:element name="mixPort" minOccurs="0" maxOccurs="unbounded">
+                <xs:complexType>
+                    <xs:sequence>
+                        <xs:element name="profile" type="profile" minOccurs="0" maxOccurs="unbounded"/>
+                        <xs:element name="gains" type="gains" minOccurs="0"/>
+                    </xs:sequence>
+                    <xs:attribute name="name" type="xs:token" use="required"/>
+                    <xs:attribute name="role" type="role" use="required"/>
+                    <xs:attribute name="flags" type="audioInOutFlags"/>
+                    <xs:attribute name="maxOpenCount" type="xs:unsignedInt"/>
+                    <xs:attribute name="maxActiveCount" type="xs:unsignedInt"/>
+                    <xs:attribute name="preferredUsage" type="audioUsageList">
+                        <xs:annotation>
+                            <xs:documentation xml:lang="en">
+                                When choosing the mixPort of an audio track, the audioPolicy
+                                first considers the mixPorts with a preferredUsage including
+                                the track AudioUsage preferred .
+                                If non support the track format, the other mixPorts are considered.
+                                Eg: a <mixPort preferredUsage="AUDIO_USAGE_MEDIA" /> will receive
+                                    the audio of all apps playing with a MEDIA usage.
+                                    It may receive audio from ALARM if there are no audio compatible
+                                    <mixPort preferredUsage="AUDIO_USAGE_ALARM" />.
+                             </xs:documentation>
+                        </xs:annotation>
+                    </xs:attribute>
+                </xs:complexType>
+                <xs:unique name="mixPortProfileUniqueness">
+                    <xs:selector xpath="profile"/>
+                    <xs:field xpath="format"/>
+                    <xs:field xpath="samplingRate"/>
+                    <xs:field xpath="channelMasks"/>
+                </xs:unique>
+                <xs:unique name="mixPortGainUniqueness">
+                    <xs:selector xpath="gains/gain"/>
+                    <xs:field xpath="@name"/>
+                </xs:unique>
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:simpleType name="audioDevice">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_DEVICE_NONE"/>
+
+            <xs:enumeration value="AUDIO_DEVICE_OUT_EARPIECE"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_SPEAKER"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_WIRED_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_WIRED_HEADPHONE"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_SCO"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_HDMI"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_HDMI_EARC"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_AUX_DIGITAL"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_USB_ACCESSORY"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_USB_DEVICE"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_REMOTE_SUBMIX"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_TELEPHONY_TX"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_LINE"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_HDMI_ARC"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_SPDIF"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_FM"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_AUX_LINE"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_SPEAKER_SAFE"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_IP"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BUS"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_PROXY"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_USB_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_HEARING_AID"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_ECHO_CANCELLER"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLE_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLE_SPEAKER"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_DEFAULT"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_STUB"/>
+
+            <xs:enumeration value="AUDIO_DEVICE_IN_COMMUNICATION"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_AMBIENT"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BUILTIN_MIC"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_WIRED_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_HDMI"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_AUX_DIGITAL"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_VOICE_CALL"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_TELEPHONY_RX"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BACK_MIC"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_REMOTE_SUBMIX"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_USB_ACCESSORY"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_USB_DEVICE"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_FM_TUNER"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_TV_TUNER"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_LINE"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_SPDIF"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BLUETOOTH_A2DP"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_LOOPBACK"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_IP"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BUS"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_PROXY"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_USB_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BLUETOOTH_BLE"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_HDMI_ARC"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_HDMI_EARC"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_ECHO_REFERENCE"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BLE_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_DEFAULT"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_STUB"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="vendorExtension">
+        <!-- Vendor extension names must be prefixed by "VX_" to distinguish them from
+             AOSP values. Vendors must namespace their names to avoid conflicts. The
+             namespace part must only use capital latin characters and decimal digits and
+             consist of at least 3 characters. The part of the extension name after the
+             namespace may in addition include underscores. Example for a hypothetical
+             Google virtual reality device:
+
+                 <devicePort tagName="VR" type="VX_GOOGLE_VR" role="sink" />
+        -->
+        <xs:restriction base="xs:string">
+            <xs:pattern value="VX_[A-Z0-9]{3,}_[_A-Z0-9]+"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="extendableAudioDevice">
+        <xs:union memberTypes="audioDevice vendorExtension"/>
+    </xs:simpleType>
+    <xs:simpleType name="audioFormat">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_FORMAT_DEFAULT" />
+            <xs:enumeration value="AUDIO_FORMAT_PCM_16_BIT" />
+            <xs:enumeration value="AUDIO_FORMAT_PCM_8_BIT"/>
+            <xs:enumeration value="AUDIO_FORMAT_PCM_32_BIT"/>
+            <xs:enumeration value="AUDIO_FORMAT_PCM_8_24_BIT"/>
+            <xs:enumeration value="AUDIO_FORMAT_PCM_FLOAT"/>
+            <xs:enumeration value="AUDIO_FORMAT_PCM_24_BIT_PACKED"/>
+            <xs:enumeration value="AUDIO_FORMAT_MP3"/>
+            <xs:enumeration value="AUDIO_FORMAT_AMR_NB"/>
+            <xs:enumeration value="AUDIO_FORMAT_AMR_WB"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_MAIN"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LC"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_SSR"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LTP"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_HE_V1"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_SCALABLE"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ERLC"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LD"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_HE_V2"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ELD"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_XHE"/>
+            <xs:enumeration value="AUDIO_FORMAT_HE_AAC_V1"/>
+            <xs:enumeration value="AUDIO_FORMAT_HE_AAC_V2"/>
+            <xs:enumeration value="AUDIO_FORMAT_VORBIS"/>
+            <xs:enumeration value="AUDIO_FORMAT_OPUS"/>
+            <xs:enumeration value="AUDIO_FORMAT_AC3"/>
+            <xs:enumeration value="AUDIO_FORMAT_E_AC3"/>
+            <xs:enumeration value="AUDIO_FORMAT_E_AC3_JOC"/>
+            <xs:enumeration value="AUDIO_FORMAT_DTS"/>
+            <xs:enumeration value="AUDIO_FORMAT_DTS_HD"/>
+            <xs:enumeration value="AUDIO_FORMAT_IEC61937"/>
+            <xs:enumeration value="AUDIO_FORMAT_DOLBY_TRUEHD"/>
+            <xs:enumeration value="AUDIO_FORMAT_EVRC"/>
+            <xs:enumeration value="AUDIO_FORMAT_EVRCB"/>
+            <xs:enumeration value="AUDIO_FORMAT_EVRCWB"/>
+            <xs:enumeration value="AUDIO_FORMAT_EVRCNW"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADIF"/>
+            <xs:enumeration value="AUDIO_FORMAT_WMA"/>
+            <xs:enumeration value="AUDIO_FORMAT_WMA_PRO"/>
+            <xs:enumeration value="AUDIO_FORMAT_AMR_WB_PLUS"/>
+            <xs:enumeration value="AUDIO_FORMAT_MP2"/>
+            <xs:enumeration value="AUDIO_FORMAT_QCELP"/>
+            <xs:enumeration value="AUDIO_FORMAT_DSD"/>
+            <xs:enumeration value="AUDIO_FORMAT_FLAC"/>
+            <xs:enumeration value="AUDIO_FORMAT_ALAC"/>
+            <xs:enumeration value="AUDIO_FORMAT_APE"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_MAIN"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_LC"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_SSR"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_LTP"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_HE_V1"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_SCALABLE"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_ERLC"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_LD"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_HE_V2"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_ELD"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_XHE"/>
+            <xs:enumeration value="AUDIO_FORMAT_SBC"/>
+            <xs:enumeration value="AUDIO_FORMAT_APTX"/>
+            <xs:enumeration value="AUDIO_FORMAT_APTX_HD"/>
+            <xs:enumeration value="AUDIO_FORMAT_AC4"/>
+            <xs:enumeration value="AUDIO_FORMAT_LDAC"/>
+            <xs:enumeration value="AUDIO_FORMAT_MAT"/>
+            <xs:enumeration value="AUDIO_FORMAT_MAT_1_0"/>
+            <xs:enumeration value="AUDIO_FORMAT_MAT_2_0"/>
+            <xs:enumeration value="AUDIO_FORMAT_MAT_2_1"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LATM"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LATM_LC"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LATM_HE_V1"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LATM_HE_V2"/>
+            <xs:enumeration value="AUDIO_FORMAT_CELT"/>
+            <xs:enumeration value="AUDIO_FORMAT_APTX_ADAPTIVE"/>
+            <xs:enumeration value="AUDIO_FORMAT_LHDC"/>
+            <xs:enumeration value="AUDIO_FORMAT_LHDC_LL"/>
+            <xs:enumeration value="AUDIO_FORMAT_APTX_TWSP"/>
+            <xs:enumeration value="AUDIO_FORMAT_LC3"/>
+            <xs:enumeration value="AUDIO_FORMAT_MPEGH_BL_L3"/>
+            <xs:enumeration value="AUDIO_FORMAT_MPEGH_BL_L4"/>
+            <xs:enumeration value="AUDIO_FORMAT_MPEGH_LC_L3"/>
+            <xs:enumeration value="AUDIO_FORMAT_MPEGH_LC_L4"/>
+            <xs:enumeration value="AUDIO_FORMAT_IEC60958"/>
+            <xs:enumeration value="AUDIO_FORMAT_DTS_UHD"/>
+            <xs:enumeration value="AUDIO_FORMAT_DRA"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="extendableAudioFormat">
+        <xs:union memberTypes="audioFormat vendorExtension"/>
+    </xs:simpleType>
+    <xs:simpleType name="audioUsage">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Audio usage specifies the intended use case for the sound being played.
+                Please consult frameworks/base/media/java/android/media/AudioAttributes.java
+                for the description of each value.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_USAGE_UNKNOWN" />
+            <xs:enumeration value="AUDIO_USAGE_MEDIA" />
+            <xs:enumeration value="AUDIO_USAGE_VOICE_COMMUNICATION" />
+            <xs:enumeration value="AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING" />
+            <xs:enumeration value="AUDIO_USAGE_ALARM" />
+            <xs:enumeration value="AUDIO_USAGE_NOTIFICATION" />
+            <xs:enumeration value="AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE" />
+            <xs:enumeration value="AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY" />
+            <xs:enumeration value="AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE" />
+            <xs:enumeration value="AUDIO_USAGE_ASSISTANCE_SONIFICATION" />
+            <xs:enumeration value="AUDIO_USAGE_GAME" />
+            <xs:enumeration value="AUDIO_USAGE_VIRTUAL_SOURCE" />
+            <xs:enumeration value="AUDIO_USAGE_ASSISTANT" />
+            <xs:enumeration value="AUDIO_USAGE_CALL_ASSISTANT" />
+            <xs:enumeration value="AUDIO_USAGE_EMERGENCY" />
+            <xs:enumeration value="AUDIO_USAGE_SAFETY" />
+            <xs:enumeration value="AUDIO_USAGE_VEHICLE_STATUS" />
+            <xs:enumeration value="AUDIO_USAGE_ANNOUNCEMENT" />
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="audioUsageList">
+        <xs:list itemType="audioUsage"/>
+    </xs:simpleType>
+    <xs:simpleType name="audioContentType">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Audio content type expresses the general category of the content.
+                Please consult frameworks/base/media/java/android/media/AudioAttributes.java
+                for the description of each value.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_CONTENT_TYPE_UNKNOWN"/>
+            <xs:enumeration value="AUDIO_CONTENT_TYPE_SPEECH"/>
+            <xs:enumeration value="AUDIO_CONTENT_TYPE_MUSIC"/>
+            <xs:enumeration value="AUDIO_CONTENT_TYPE_MOVIE"/>
+            <xs:enumeration value="AUDIO_CONTENT_TYPE_SONIFICATION"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="samplingRates">
+        <xs:list itemType="xs:nonNegativeInteger" />
+    </xs:simpleType>
+    <xs:simpleType name="audioChannelMask">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Audio channel mask specifies presence of particular channels.
+                There are two representations:
+                - representation position (traditional discrete channel specification,
+                  e.g. "left", "right");
+                - indexed (this is similar to "tracks" in audio mixing, channels
+                  are represented using numbers).
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_CHANNEL_NONE"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_MONO"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_STEREO"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_2POINT1"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_TRI"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_TRI_BACK"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_3POINT1"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_2POINT0POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_2POINT1POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_3POINT0POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_3POINT1POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_QUAD"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_QUAD_BACK"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_QUAD_SIDE"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_SURROUND"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_PENTA"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_5POINT1"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_5POINT1_BACK"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_5POINT1_SIDE"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_5POINT1POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_5POINT1POINT4"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_6POINT1"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_7POINT1"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_7POINT1POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_7POINT1POINT4"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_13POINT_360RA"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_22POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_MONO_HAPTIC_A"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_STEREO_HAPTIC_A"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_HAPTIC_AB"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_MONO_HAPTIC_AB"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_STEREO_HAPTIC_AB"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_MONO"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_STEREO"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_FRONT_BACK"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_6"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_2POINT0POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_2POINT1POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_3POINT0POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_3POINT1POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_5POINT1"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_VOICE_UPLINK_MONO"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_VOICE_DNLINK_MONO"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_VOICE_CALL_MONO"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_1"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_3"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_4"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_5"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_6"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_7"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_8"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_9"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_10"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_11"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_12"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_13"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_14"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_15"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_16"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_17"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_18"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_19"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_20"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_21"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_22"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_23"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_24"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="channelMasks">
+        <xs:list itemType="audioChannelMask" />
+    </xs:simpleType>
+    <xs:simpleType name="audioEncapsulationType">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_ENCAPSULATION_TYPE_NONE"/>
+            <xs:enumeration value="AUDIO_ENCAPSULATION_TYPE_IEC61937"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:complexType name="profile">
+        <xs:attribute name="name" type="xs:token" use="optional"/>
+        <xs:attribute name="format" type="extendableAudioFormat" use="optional"/>
+        <xs:attribute name="samplingRates" type="samplingRates" use="optional"/>
+        <xs:attribute name="channelMasks" type="channelMasks" use="optional"/>
+        <xs:attribute name="encapsulationType" type="audioEncapsulationType" use="optional"/>
+    </xs:complexType>
+    <xs:simpleType name="audioGainMode">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_GAIN_MODE_JOINT"/>
+            <xs:enumeration value="AUDIO_GAIN_MODE_CHANNELS"/>
+            <xs:enumeration value="AUDIO_GAIN_MODE_RAMP"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="audioGainModeMaskUnrestricted">
+        <xs:list itemType="audioGainMode" />
+    </xs:simpleType>
+    <xs:simpleType name='audioGainModeMask'>
+        <xs:restriction base='audioGainModeMaskUnrestricted'>
+            <xs:minLength value='1' />
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:complexType name="gains">
+        <xs:sequence>
+            <xs:element name="gain" minOccurs="0" maxOccurs="unbounded">
+                <xs:complexType>
+                    <xs:attribute name="name" type="xs:token" use="required"/>
+                    <xs:attribute name="mode" type="audioGainModeMask" use="required"/>
+                    <xs:attribute name="channel_mask" type="audioChannelMask" use="optional"/>
+                    <xs:attribute name="minValueMB" type="xs:int" use="optional"/>
+                    <xs:attribute name="maxValueMB" type="xs:int" use="optional"/>
+                    <xs:attribute name="defaultValueMB" type="xs:int" use="optional"/>
+                    <xs:attribute name="stepValueMB" type="xs:int" use="optional"/>
+                    <xs:attribute name="minRampMs" type="xs:int" use="optional"/>
+                    <xs:attribute name="maxRampMs" type="xs:int" use="optional"/>
+                    <xs:attribute name="useForVolume" type="xs:boolean" use="optional"/>
+                </xs:complexType>
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:complexType name="devicePorts">
+        <xs:sequence>
+            <xs:element name="devicePort" minOccurs="0" maxOccurs="unbounded">
+                <xs:complexType>
+                    <xs:sequence>
+                        <xs:element name="profile" type="profile" minOccurs="0" maxOccurs="unbounded"/>
+                        <xs:element name="gains" type="gains" minOccurs="0"/>
+                    </xs:sequence>
+                    <xs:attribute name="tagName" type="xs:token" use="required"/>
+                    <xs:attribute name="type" type="extendableAudioDevice" use="required"/>
+                    <xs:attribute name="role" type="role" use="required"/>
+                    <xs:attribute name="address" type="xs:string" use="optional" default=""/>
+                    <!-- Note that XSD 1.0 can not check that a type only has one default. -->
+                    <xs:attribute name="default" type="xs:boolean" use="optional">
+                        <xs:annotation>
+                            <xs:documentation xml:lang="en">
+                                The default device will be used if multiple have the same type
+                                and no explicit route request exists for a specific device of
+                                that type.
+                            </xs:documentation>
+                        </xs:annotation>
+                    </xs:attribute>
+                    <xs:attribute name="encodedFormats" type="audioFormatsList" use="optional"
+                                  default="" />
+                </xs:complexType>
+                <xs:unique name="devicePortProfileUniqueness">
+                    <xs:selector xpath="profile"/>
+                    <xs:field xpath="format"/>
+                    <xs:field xpath="samplingRate"/>
+                    <xs:field xpath="channelMasks"/>
+                </xs:unique>
+                <xs:unique name="devicePortGainUniqueness">
+                    <xs:selector xpath="gains/gain"/>
+                    <xs:field xpath="@name"/>
+                </xs:unique>
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:simpleType name="mixType">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="mix"/>
+            <xs:enumeration value="mux"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:complexType name="routes">
+        <xs:sequence>
+            <xs:element name="route" minOccurs="0" maxOccurs="unbounded">
+                <xs:annotation>
+                    <xs:documentation xml:lang="en">
+                        List all available sources for a given sink.
+                    </xs:documentation>
+                </xs:annotation>
+                <xs:complexType>
+                    <xs:attribute name="type" type="mixType" use="required"/>
+                    <xs:attribute name="sink" type="xs:string" use="required"/>
+                    <xs:attribute name="sources" type="xs:string" use="required"/>
+                </xs:complexType>
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:complexType name="volumes">
+        <xs:sequence>
+            <xs:element name="volume" type="volume" minOccurs="0" maxOccurs="unbounded"/>
+            <xs:element name="reference" type="reference" minOccurs="0" maxOccurs="unbounded">
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <!-- TODO: Always require a ref for better xsd validations.
+               Currently a volume could have no points nor ref
+               as it can not be forbidden by xsd 1.0.-->
+    <xs:simpleType name="volumePoint">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Comma separated pair of number.
+                The fist one is the framework level (between 0 and 100).
+                The second one is the volume to send to the HAL.
+                The framework will interpolate volumes not specified.
+                Their MUST be at least 2 points specified.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:string">
+            <xs:pattern value="([0-9]{1,2}|100),-?[0-9]+"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="audioStreamType">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Audio stream type describing the intended use case of a stream.
+                Please consult frameworks/base/media/java/android/media/AudioSystem.java
+                for the description of each value.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_STREAM_VOICE_CALL"/>
+            <xs:enumeration value="AUDIO_STREAM_SYSTEM"/>
+            <xs:enumeration value="AUDIO_STREAM_RING"/>
+            <xs:enumeration value="AUDIO_STREAM_MUSIC"/>
+            <xs:enumeration value="AUDIO_STREAM_ALARM"/>
+            <xs:enumeration value="AUDIO_STREAM_NOTIFICATION"/>
+            <xs:enumeration value="AUDIO_STREAM_BLUETOOTH_SCO"/>
+            <xs:enumeration value="AUDIO_STREAM_ENFORCED_AUDIBLE"/>
+            <xs:enumeration value="AUDIO_STREAM_DTMF"/>
+            <xs:enumeration value="AUDIO_STREAM_TTS"/>
+            <xs:enumeration value="AUDIO_STREAM_ACCESSIBILITY"/>
+            <xs:enumeration value="AUDIO_STREAM_ASSISTANT"/>
+            <xs:enumeration value="AUDIO_STREAM_REROUTING"/>
+            <xs:enumeration value="AUDIO_STREAM_PATCH"/>
+            <xs:enumeration value="AUDIO_STREAM_CALL_ASSISTANT"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="audioSource">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                An audio source defines the intended use case for the sound being recorded.
+                Please consult frameworks/base/media/java/android/media/MediaRecorder.java
+                for the description of each value.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_SOURCE_DEFAULT"/>
+            <xs:enumeration value="AUDIO_SOURCE_MIC"/>
+            <xs:enumeration value="AUDIO_SOURCE_VOICE_UPLINK"/>
+            <xs:enumeration value="AUDIO_SOURCE_VOICE_DOWNLINK"/>
+            <xs:enumeration value="AUDIO_SOURCE_VOICE_CALL"/>
+            <xs:enumeration value="AUDIO_SOURCE_CAMCORDER"/>
+            <xs:enumeration value="AUDIO_SOURCE_VOICE_RECOGNITION"/>
+            <xs:enumeration value="AUDIO_SOURCE_VOICE_COMMUNICATION"/>
+            <xs:enumeration value="AUDIO_SOURCE_REMOTE_SUBMIX"/>
+            <xs:enumeration value="AUDIO_SOURCE_UNPROCESSED"/>
+            <xs:enumeration value="AUDIO_SOURCE_VOICE_PERFORMANCE"/>
+            <xs:enumeration value="AUDIO_SOURCE_ECHO_REFERENCE"/>
+            <xs:enumeration value="AUDIO_SOURCE_FM_TUNER"/>
+            <xs:enumeration value="AUDIO_SOURCE_HOTWORD"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <!-- Enum values of device_category from Volume.h. -->
+    <xs:simpleType name="deviceCategory">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="DEVICE_CATEGORY_HEADSET"/>
+            <xs:enumeration value="DEVICE_CATEGORY_SPEAKER"/>
+            <xs:enumeration value="DEVICE_CATEGORY_EARPIECE"/>
+            <xs:enumeration value="DEVICE_CATEGORY_EXT_MEDIA"/>
+            <xs:enumeration value="DEVICE_CATEGORY_HEARING_AID"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:complexType name="volume">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Volume section defines a volume curve for a given use case and device category.
+                It contains a list of points of this curve expressing the attenuation in Millibels
+                for a given volume index from 0 to 100.
+                <volume stream="AUDIO_STREAM_MUSIC" deviceCategory="DEVICE_CATEGORY_SPEAKER">
+                    <point>0,-9600</point>
+                    <point>100,0</point>
+                </volume>
+
+                It may also reference a reference/@name to avoid duplicating curves.
+                <volume stream="AUDIO_STREAM_MUSIC" deviceCategory="DEVICE_CATEGORY_SPEAKER"
+                        ref="DEFAULT_MEDIA_VOLUME_CURVE"/>
+                <reference name="DEFAULT_MEDIA_VOLUME_CURVE">
+                    <point>0,-9600</point>
+                    <point>100,0</point>
+                </reference>
+            </xs:documentation>
+        </xs:annotation>
+        <xs:sequence>
+            <xs:element name="point" type="volumePoint" minOccurs="0" maxOccurs="unbounded"/>
+        </xs:sequence>
+        <xs:attribute name="stream" type="audioStreamType"/>
+        <xs:attribute name="deviceCategory" type="deviceCategory"/>
+        <xs:attribute name="ref" type="xs:token" use="optional"/>
+    </xs:complexType>
+    <xs:complexType name="reference">
+        <xs:sequence>
+            <xs:element name="point" type="volumePoint" minOccurs="2" maxOccurs="unbounded"/>
+        </xs:sequence>
+        <xs:attribute name="name" type="xs:token" use="required"/>
+    </xs:complexType>
+    <xs:complexType name="surroundSound">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Surround Sound section provides configuration related to handling of
+                multi-channel formats.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:sequence>
+            <xs:element name="formats" type="surroundFormats"/>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:simpleType name="audioFormatsList">
+        <xs:list itemType="extendableAudioFormat" />
+    </xs:simpleType>
+    <xs:complexType name="surroundFormats">
+        <xs:sequence>
+            <xs:element name="format" minOccurs="0" maxOccurs="unbounded">
+                <xs:complexType>
+                    <xs:attribute name="name" type="extendableAudioFormat" use="required"/>
+                    <xs:attribute name="subformats" type="audioFormatsList" />
+                </xs:complexType>
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:simpleType name="engineSuffix">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="default"/>
+            <xs:enumeration value="configurable"/>
+        </xs:restriction>
+    </xs:simpleType>
+</xs:schema>
diff --git a/audio/common/7.1/Android.bp b/audio/common/7.1/Android.bp
new file mode 100644
index 0000000..a257510
--- /dev/null
+++ b/audio/common/7.1/Android.bp
@@ -0,0 +1,23 @@
+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_library {
+    name: "android.hardware.audio.common@7.1-enums",
+    vendor_available: true,
+    generated_headers: ["audio_policy_configuration_V7_1_enums"],
+    generated_sources: ["audio_policy_configuration_V7_1_enums"],
+    header_libs: ["libxsdc-utils"],
+    export_generated_headers: ["audio_policy_configuration_V7_1_enums"],
+    export_header_lib_headers: ["libxsdc-utils"],
+    export_include_dirs: ["enums/include"],
+    shared_libs: [
+        "libbase",
+        "liblog",
+    ],
+}
diff --git a/audio/common/7.1/enums/OWNERS b/audio/common/7.1/enums/OWNERS
new file mode 100644
index 0000000..24071af
--- /dev/null
+++ b/audio/common/7.1/enums/OWNERS
@@ -0,0 +1,2 @@
+elaurent@google.com
+mnaganov@google.com
diff --git a/audio/common/7.1/enums/include/android_audio_policy_configuration_V7_1-enums.h b/audio/common/7.1/enums/include/android_audio_policy_configuration_V7_1-enums.h
new file mode 100644
index 0000000..815f869
--- /dev/null
+++ b/audio/common/7.1/enums/include/android_audio_policy_configuration_V7_1-enums.h
@@ -0,0 +1,300 @@
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_AUDIO_POLICY_CONFIGURATION_V7_1__ENUMS_H
+#define ANDROID_AUDIO_POLICY_CONFIGURATION_V7_1__ENUMS_H
+
+#include <sys/types.h>
+#include <regex>
+#include <string>
+
+#include <android_audio_policy_configuration_V7_1_enums.h>
+
+namespace android::audio::policy::configuration::V7_1 {
+
+static inline size_t getChannelCount(AudioChannelMask mask) {
+    switch (mask) {
+        case AudioChannelMask::AUDIO_CHANNEL_NONE:
+            return 0;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_MONO:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_MONO:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_1:
+            return 1;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_STEREO:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_MONO_HAPTIC_A:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_HAPTIC_AB:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_STEREO:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_FRONT_BACK:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_VOICE_UPLINK_MONO:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_VOICE_DNLINK_MONO:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_VOICE_CALL_MONO:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_2:
+            return 2;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_2POINT1:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_STEREO_HAPTIC_A:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_MONO_HAPTIC_AB:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_TRI:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_TRI_BACK:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_3:
+            return 3;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_2POINT0POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_3POINT1:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_QUAD:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_QUAD_BACK:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_QUAD_SIDE:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_SURROUND:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_STEREO_HAPTIC_AB:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_2POINT0POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_4:
+            return 4;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_2POINT1POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_3POINT0POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_PENTA:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_2POINT1POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_3POINT0POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_5:
+            return 5;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_3POINT1POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_5POINT1:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_5POINT1_BACK:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_5POINT1_SIDE:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_6:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_3POINT1POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_5POINT1:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_6:
+            return 6;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_6POINT1:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_7:
+            return 7;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_5POINT1POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_7POINT1:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_8:
+            return 8;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_9:
+            return 9;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_5POINT1POINT4:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_7POINT1POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_10:
+            return 10;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_11:
+            return 11;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_7POINT1POINT4:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_12:
+            return 12;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_13POINT_360RA:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_13:
+            return 13;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_14:
+            return 14;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_15:
+            return 15;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_16:
+            return 16;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_17:
+            return 17;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_18:
+            return 18;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_19:
+            return 19;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_20:
+            return 20;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_21:
+            return 21;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_22:
+            return 22;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_23:
+            return 23;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_22POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_24:
+            return 24;
+        case AudioChannelMask::UNKNOWN:
+            return 0;
+            // No default to make sure all cases are covered.
+    }
+    // This is to avoid undefined behavior if 'mask' isn't a valid enum value.
+    return 0;
+}
+
+static inline ssize_t getChannelCount(const std::string& mask) {
+    return getChannelCount(stringToAudioChannelMask(mask));
+}
+
+static inline bool isOutputDevice(AudioDevice device) {
+    switch (device) {
+        case AudioDevice::UNKNOWN:
+        case AudioDevice::AUDIO_DEVICE_NONE:
+            return false;
+        case AudioDevice::AUDIO_DEVICE_OUT_EARPIECE:
+        case AudioDevice::AUDIO_DEVICE_OUT_SPEAKER:
+        case AudioDevice::AUDIO_DEVICE_OUT_WIRED_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_OUT_WIRED_HEADPHONE:
+        case AudioDevice::AUDIO_DEVICE_OUT_BLUETOOTH_SCO:
+        case AudioDevice::AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT:
+        case AudioDevice::AUDIO_DEVICE_OUT_BLUETOOTH_A2DP:
+        case AudioDevice::AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES:
+        case AudioDevice::AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER:
+        case AudioDevice::AUDIO_DEVICE_OUT_AUX_DIGITAL:
+        case AudioDevice::AUDIO_DEVICE_OUT_HDMI:
+        case AudioDevice::AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_OUT_USB_ACCESSORY:
+        case AudioDevice::AUDIO_DEVICE_OUT_USB_DEVICE:
+        case AudioDevice::AUDIO_DEVICE_OUT_REMOTE_SUBMIX:
+        case AudioDevice::AUDIO_DEVICE_OUT_TELEPHONY_TX:
+        case AudioDevice::AUDIO_DEVICE_OUT_LINE:
+        case AudioDevice::AUDIO_DEVICE_OUT_HDMI_ARC:
+        case AudioDevice::AUDIO_DEVICE_OUT_HDMI_EARC:
+        case AudioDevice::AUDIO_DEVICE_OUT_SPDIF:
+        case AudioDevice::AUDIO_DEVICE_OUT_FM:
+        case AudioDevice::AUDIO_DEVICE_OUT_AUX_LINE:
+        case AudioDevice::AUDIO_DEVICE_OUT_SPEAKER_SAFE:
+        case AudioDevice::AUDIO_DEVICE_OUT_IP:
+        case AudioDevice::AUDIO_DEVICE_OUT_BUS:
+        case AudioDevice::AUDIO_DEVICE_OUT_PROXY:
+        case AudioDevice::AUDIO_DEVICE_OUT_USB_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_OUT_HEARING_AID:
+        case AudioDevice::AUDIO_DEVICE_OUT_ECHO_CANCELLER:
+        case AudioDevice::AUDIO_DEVICE_OUT_BLE_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_OUT_BLE_SPEAKER:
+        case AudioDevice::AUDIO_DEVICE_OUT_DEFAULT:
+        case AudioDevice::AUDIO_DEVICE_OUT_STUB:
+            return true;
+        case AudioDevice::AUDIO_DEVICE_IN_COMMUNICATION:
+        case AudioDevice::AUDIO_DEVICE_IN_AMBIENT:
+        case AudioDevice::AUDIO_DEVICE_IN_BUILTIN_MIC:
+        case AudioDevice::AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_IN_WIRED_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_IN_AUX_DIGITAL:
+        case AudioDevice::AUDIO_DEVICE_IN_HDMI:
+        case AudioDevice::AUDIO_DEVICE_IN_VOICE_CALL:
+        case AudioDevice::AUDIO_DEVICE_IN_TELEPHONY_RX:
+        case AudioDevice::AUDIO_DEVICE_IN_BACK_MIC:
+        case AudioDevice::AUDIO_DEVICE_IN_REMOTE_SUBMIX:
+        case AudioDevice::AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_IN_USB_ACCESSORY:
+        case AudioDevice::AUDIO_DEVICE_IN_USB_DEVICE:
+        case AudioDevice::AUDIO_DEVICE_IN_FM_TUNER:
+        case AudioDevice::AUDIO_DEVICE_IN_TV_TUNER:
+        case AudioDevice::AUDIO_DEVICE_IN_LINE:
+        case AudioDevice::AUDIO_DEVICE_IN_SPDIF:
+        case AudioDevice::AUDIO_DEVICE_IN_BLUETOOTH_A2DP:
+        case AudioDevice::AUDIO_DEVICE_IN_LOOPBACK:
+        case AudioDevice::AUDIO_DEVICE_IN_IP:
+        case AudioDevice::AUDIO_DEVICE_IN_BUS:
+        case AudioDevice::AUDIO_DEVICE_IN_PROXY:
+        case AudioDevice::AUDIO_DEVICE_IN_USB_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_IN_BLUETOOTH_BLE:
+        case AudioDevice::AUDIO_DEVICE_IN_HDMI_ARC:
+        case AudioDevice::AUDIO_DEVICE_IN_HDMI_EARC:
+        case AudioDevice::AUDIO_DEVICE_IN_ECHO_REFERENCE:
+        case AudioDevice::AUDIO_DEVICE_IN_BLE_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_IN_DEFAULT:
+        case AudioDevice::AUDIO_DEVICE_IN_STUB:
+            return false;
+            // No default to make sure all cases are covered.
+    }
+    // This is to avoid undefined behavior if 'device' isn't a valid enum value.
+    return false;
+}
+
+static inline bool isOutputDevice(const std::string& device) {
+    return isOutputDevice(stringToAudioDevice(device));
+}
+
+static inline bool isTelephonyDevice(AudioDevice device) {
+    return device == AudioDevice::AUDIO_DEVICE_OUT_TELEPHONY_TX ||
+           device == AudioDevice::AUDIO_DEVICE_IN_TELEPHONY_RX;
+}
+
+static inline bool isTelephonyDevice(const std::string& device) {
+    return isTelephonyDevice(stringToAudioDevice(device));
+}
+
+static inline bool maybeVendorExtension(const std::string& s) {
+    // Only checks whether the string starts with the "vendor prefix".
+    static const std::string vendorPrefix = "VX_";
+    return s.size() > vendorPrefix.size() && s.substr(0, vendorPrefix.size()) == vendorPrefix;
+}
+
+static inline bool isVendorExtension(const std::string& s) {
+    // Must be the same as the "vendorExtension" rule from the XSD file.
+    static const std::regex vendorExtension("VX_[A-Z0-9]{3,}_[_A-Z0-9]+");
+    return std::regex_match(s.begin(), s.end(), vendorExtension);
+}
+
+static inline bool isUnknownAudioChannelMask(const std::string& mask) {
+    return stringToAudioChannelMask(mask) == AudioChannelMask::UNKNOWN;
+}
+
+static inline bool isUnknownAudioContentType(const std::string& contentType) {
+    return stringToAudioContentType(contentType) == AudioContentType::UNKNOWN;
+}
+
+static inline bool isUnknownAudioDevice(const std::string& device) {
+    return stringToAudioDevice(device) == AudioDevice::UNKNOWN && !isVendorExtension(device);
+}
+
+static inline bool isUnknownAudioFormat(const std::string& format) {
+    return stringToAudioFormat(format) == AudioFormat::UNKNOWN && !isVendorExtension(format);
+}
+
+static inline bool isUnknownAudioGainMode(const std::string& mode) {
+    return stringToAudioGainMode(mode) == AudioGainMode::UNKNOWN;
+}
+
+static inline bool isUnknownAudioInOutFlag(const std::string& flag) {
+    return stringToAudioInOutFlag(flag) == AudioInOutFlag::UNKNOWN;
+}
+
+static inline bool isUnknownAudioSource(const std::string& source) {
+    return stringToAudioSource(source) == AudioSource::UNKNOWN;
+}
+
+static inline bool isUnknownAudioStreamType(const std::string& streamType) {
+    return stringToAudioStreamType(streamType) == AudioStreamType::UNKNOWN;
+}
+
+static inline bool isUnknownAudioUsage(const std::string& usage) {
+    return stringToAudioUsage(usage) == AudioUsage::UNKNOWN;
+}
+
+static inline bool isLinearPcm(AudioFormat format) {
+    switch (format) {
+        case AudioFormat::AUDIO_FORMAT_PCM_16_BIT:
+        case AudioFormat::AUDIO_FORMAT_PCM_8_BIT:
+        case AudioFormat::AUDIO_FORMAT_PCM_32_BIT:
+        case AudioFormat::AUDIO_FORMAT_PCM_8_24_BIT:
+        case AudioFormat::AUDIO_FORMAT_PCM_FLOAT:
+        case AudioFormat::AUDIO_FORMAT_PCM_24_BIT_PACKED:
+            return true;
+        default:
+            return false;
+    }
+}
+
+static inline bool isLinearPcm(const std::string& format) {
+    return isLinearPcm(stringToAudioFormat(format));
+}
+
+static inline bool isUnknownAudioEncapsulationType(const std::string& encapsulationType) {
+    return stringToAudioEncapsulationType(encapsulationType) == AudioEncapsulationType::UNKNOWN;
+}
+
+}  // namespace android::audio::policy::configuration::V7_1
+
+#endif  // ANDROID_AUDIO_POLICY_CONFIGURATION_V7_1__ENUMS_H