Add API to set the codec preference for specific device (7cf686a4) · Commits · e / os / android_packages_modules_Bluetooth

framework/api/current.txt

+12 −0

Original line number	Diff line number	Diff line
		@@ -964,6 +964,18 @@ package android.bluetooth {
		method @NonNull public android.bluetooth.BluetoothLeAudioCodecConfig.Builder setSampleRate(int);
		}

		public final class BluetoothLeAudioCodecStatus implements android.os.Parcelable {
		ctor public BluetoothLeAudioCodecStatus(@Nullable android.bluetooth.BluetoothLeAudioCodecConfig, @Nullable java.util.List<android.bluetooth.BluetoothLeAudioCodecConfig>, @Nullable java.util.List<android.bluetooth.BluetoothLeAudioCodecConfig>);
		method public int describeContents();
		method @Nullable public android.bluetooth.BluetoothLeAudioCodecConfig getCodecConfig();
		method @NonNull public java.util.List<android.bluetooth.BluetoothLeAudioCodecConfig> getCodecsLocalCapabilities();
		method @NonNull public java.util.List<android.bluetooth.BluetoothLeAudioCodecConfig> getCodecsSelectableCapabilities();
		method public boolean isCodecConfigSelectable(@Nullable android.bluetooth.BluetoothLeAudioCodecConfig);
		method public void writeToParcel(@NonNull android.os.Parcel, int);
		field @NonNull public static final android.os.Parcelable.Creator<android.bluetooth.BluetoothLeAudioCodecStatus> CREATOR;
		field public static final String EXTRA_LE_AUDIO_CODEC_STATUS = "android.bluetooth.extra.LE_AUDIO_CODEC_STATUS";
		}

		public final class BluetoothManager {
		method public android.bluetooth.BluetoothAdapter getAdapter();
		method @RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT) public java.util.List<android.bluetooth.BluetoothDevice> getConnectedDevices(int);

framework/java/android/bluetooth/BluetoothLeAudio.java

+67 −0

Original line number	Diff line number	Diff line
		@@ -158,6 +158,24 @@ public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable {
		public static final String ACTION_LE_AUDIO_CONF_CHANGED =
		"android.bluetooth.action.LE_AUDIO_CONF_CHANGED";

		/**
		* Intent used to broadcast the audio codec config changed information.
		*
		* <p>This intent will have 2 extras:
		* <ul>
		* <li> {@link BluetoothLeAudioCodecStatus#EXTRA_LE_AUDIO_CODEC_STATUS} - The codec status.
		* </li>
		* <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device if the device is currently
		* connected, otherwise it is not included.</li>
		* </ul>
		*
		* @hide
		*/
		@RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED)
		@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
		public static final String ACTION_LE_AUDIO_CODEC_CONFIG_CHANGED =
		"android.bluetooth.action.LE_AUDIO_CODEC_CONFIG_CHANGED";

		/**
		* Indicates unspecified audio content.
		* @hide
		@@ -906,4 +924,53 @@ public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable {
		private static void log(String msg) {
		Log.d(TAG, msg);
		}

		/**
		* Gets the current codec status (configuration and capability).
		*
		* @param device the remote Bluetooth device.
		* @return the current codec status
		* @hide
		*/
		@RequiresBluetoothConnectPermission
		@RequiresPermission(allOf = {
		android.Manifest.permission.BLUETOOTH_CONNECT,
		android.Manifest.permission.BLUETOOTH_PRIVILEGED
		})
		public BluetoothLeAudioCodecStatus getCodecStatus(@NonNull BluetoothDevice device) {
		if (DBG) {
		Log.d(TAG, "getCodecStatus(" + device + ")");
		}

		final BluetoothLeAudioCodecStatus defaultValue = null;

		// TODO: Add the implementation to get codec status
		return defaultValue;
		}

		/**
		* Sets the codec configuration preference.
		*
		* @param device the remote Bluetooth device.
		* @param codecConfig the codec configuration preference
		* @hide
		*/
		@RequiresBluetoothConnectPermission
		@RequiresPermission(allOf = {
		android.Manifest.permission.BLUETOOTH_CONNECT,
		android.Manifest.permission.BLUETOOTH_PRIVILEGED
		})
		public void setCodecConfigPreference(@NonNull BluetoothDevice device,
		@NonNull BluetoothLeAudioCodecConfig codecConfig) {
		if (DBG) Log.d(TAG, "setCodecConfigPreference(" + device + ")");

		if (codecConfig == null) {
		Log.e(TAG, "setCodecConfigPreference: Codec config can't be null");
		throw new IllegalArgumentException("codecConfig cannot be null");
		}

		// TODO: Add the implementation to set config preference
		return;
		}

		}

framework/java/android/bluetooth/BluetoothLeAudioCodecConfig.java

+26 −0

Original line number	Diff line number	Diff line
		@@ -23,6 +23,7 @@ import android.os.Parcelable;

		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;
		import java.util.Objects;

		/**
		* Represents the codec configuration for a Bluetooth LE Audio source device.
		@@ -346,6 +347,31 @@ public final class BluetoothLeAudioCodecConfig implements Parcelable {
		return mOctetsPerFrame;
		}

		@Override
		public boolean equals(@NonNull Object o) {
		if (o instanceof BluetoothLeAudioCodecConfig) {
		BluetoothLeAudioCodecConfig other = (BluetoothLeAudioCodecConfig) o;
		return (other.getCodecType() == mCodecType
		&& other.getCodecPriority() == mCodecPriority
		&& other.getSampleRate() == mSampleRate
		&& other.getBitsPerSample() == mBitsPerSample
		&& other.getChannelMode() == mChannelMode
		&& other.getFrameDuration() == mFrameDuration
		&& other.getOctetsPerFrame() == mOctetsPerFrame);
		}
		return false;
		}

		/**
		* Returns a hash representation of this BluetoothLeAudioCodecConfig
		* based on all the config values.
		*/
		@Override
		public int hashCode() {
		return Objects.hash(mCodecType, mCodecPriority, mSampleRate,
		mBitsPerSample, mChannelMode, mFrameDuration, mOctetsPerFrame);
		}

		/**
		* Builder for {@link BluetoothLeAudioCodecConfig}.
		* <p> By default, the codec type will be set to

framework/java/android/bluetooth/BluetoothLeAudioCodecStatus.java

0 → 100644

+194 −0

Original line number	Diff line number	Diff line
		/*
		* 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.bluetooth;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.os.Parcel;
		import android.os.Parcelable;

		import java.util.Collections;
		import java.util.List;
		import java.util.Objects;

		/**
		* Represents the codec status (configuration and capability) for a Bluetooth
		* Le Audio source device.
		*
		* {@see BluetoothLeAudio}
		*/
		public final class BluetoothLeAudioCodecStatus implements Parcelable {
		/**
		* Extra for the codec configuration intents of the individual profiles.
		*
		* This extra represents the current codec status of the Le Audio
		* profile.
		*/
		public static final String EXTRA_LE_AUDIO_CODEC_STATUS =
		"android.bluetooth.extra.LE_AUDIO_CODEC_STATUS";

		private final @Nullable BluetoothLeAudioCodecConfig mCodecConfig;
		private final @Nullable List<BluetoothLeAudioCodecConfig> mCodecsLocalCapabilities;
		private final @Nullable List<BluetoothLeAudioCodecConfig> mCodecsSelectableCapabilities;

		/**
		* Represents the codec status for a Bluetooth LE Audio source device.
		*
		* @param codecConfig the current code configutration.
		* @param codecsLocalCapabilities the local codecs capabilities.
		* @param codecsSelectableCapabilities the selectable codecs capabilities.
		*/
		public BluetoothLeAudioCodecStatus(@Nullable BluetoothLeAudioCodecConfig codecConfig,
		@Nullable List<BluetoothLeAudioCodecConfig> codecsLocalCapabilities,
		@Nullable List<BluetoothLeAudioCodecConfig> codecsSelectableCapabilities) {
		mCodecConfig = codecConfig;
		mCodecsLocalCapabilities = codecsLocalCapabilities;
		mCodecsSelectableCapabilities = codecsSelectableCapabilities;
		}

		private BluetoothLeAudioCodecStatus(Parcel in) {
		mCodecConfig = in.readTypedObject(BluetoothLeAudioCodecConfig.CREATOR);
		mCodecsLocalCapabilities = in.createTypedArrayList(BluetoothLeAudioCodecConfig.CREATOR);
		mCodecsSelectableCapabilities =
		in.createTypedArrayList(BluetoothLeAudioCodecConfig.CREATOR);
		}

		@Override
		public boolean equals(@Nullable Object o) {
		if (o instanceof BluetoothLeAudioCodecStatus) {
		BluetoothLeAudioCodecStatus other = (BluetoothLeAudioCodecStatus) o;
		return (Objects.equals(other.mCodecConfig, mCodecConfig)
		&& sameCapabilities(other.mCodecsLocalCapabilities, mCodecsLocalCapabilities)
		&& sameCapabilities(other.mCodecsSelectableCapabilities,
		mCodecsSelectableCapabilities));
		}
		return false;
		}

		/**
		* Checks whether two lists of capabilities contain same capabilities.
		* The order of the capabilities in each list is ignored.
		*
		* @param c1 the first list of capabilities to compare
		* @param c2 the second list of capabilities to compare
		* @return {@code true} if both lists contain same capabilities
		*/
		private static boolean sameCapabilities(@Nullable List<BluetoothLeAudioCodecConfig> c1,
		@Nullable List<BluetoothLeAudioCodecConfig> c2) {
		if (c1 == null) {
		return (c2 == null);
		}
		if (c2 == null) {
		return false;
		}
		if (c1.size() != c2.size()) {
		return false;
		}
		return c1.containsAll(c2);
		}

		/**
		* Checks whether the codec config matches the selectable capabilities.
		* Any parameters of the codec config with NONE value will be considered a wildcard matching.
		*
		* @param codecConfig the codec config to compare against
		* @return {@code true} if the codec config matches, {@code false} otherwise
		*/
		public boolean isCodecConfigSelectable(@Nullable BluetoothLeAudioCodecConfig codecConfig) {
		// TODO: Add the implementation to check the config is selectable
		return true;
		}

		/**
		* Returns a hash based on the codec config and local capabilities.
		*/
		@Override
		public int hashCode() {
		return Objects.hash(mCodecConfig, mCodecsLocalCapabilities, mCodecsLocalCapabilities);
		}

		/**
		* Returns a {@link String} that describes each BluetoothLeAudioCodecStatus parameter
		* current value.
		*/
		@Override
		public String toString() {
		return "{mCodecConfig:" + mCodecConfig
		+ ",mCodecsLocalCapabilities:" + mCodecsLocalCapabilities
		+ ",mCodecsSelectableCapabilities:" + mCodecsSelectableCapabilities
		+ "}";
		}

		/**
		* @return 0
		*/
		@Override
		public int describeContents() {
		return 0;
		}

		/**
		* {@link Parcelable.Creator} interface implementation.
		*/
		public static final @android.annotation.NonNull
		Parcelable.Creator<BluetoothLeAudioCodecStatus> CREATOR =
		new Parcelable.Creator<BluetoothLeAudioCodecStatus>() {
		public BluetoothLeAudioCodecStatus createFromParcel(Parcel in) {
		return new BluetoothLeAudioCodecStatus(in);
		}

		public BluetoothLeAudioCodecStatus[] newArray(int size) {
		return new BluetoothLeAudioCodecStatus[size];
		}
		};

		/**
		* Flattens the object to a parcel.
		*
		* @param out The Parcel in which the object should be written
		* @param flags Additional flags about how the object should be written
		*/
		@Override
		public void writeToParcel(@NonNull Parcel out, int flags) {
		out.writeTypedObject(mCodecConfig, 0);
		out.writeTypedList(mCodecsLocalCapabilities);
		out.writeTypedList(mCodecsSelectableCapabilities);
		}

		/**
		* Returns the current codec configuration.
		*/
		public @Nullable BluetoothLeAudioCodecConfig getCodecConfig() {
		return mCodecConfig;
		}

		/**
		* Returns the codecs local capabilities.
		*/
		public @NonNull List<BluetoothLeAudioCodecConfig> getCodecsLocalCapabilities() {
		return (mCodecsLocalCapabilities == null)
		? Collections.emptyList() : mCodecsLocalCapabilities;
		}

		/**
		* Returns the codecs selectable capabilities.
		*/
		public @NonNull List<BluetoothLeAudioCodecConfig> getCodecsSelectableCapabilities() {
		return (mCodecsSelectableCapabilities == null)
		? Collections.emptyList() : mCodecsSelectableCapabilities;
		}
		}