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Commit 5599ea35 authored by Łukasz Rymanowski's avatar Łukasz Rymanowski
Browse files

leaudio: Add callback to notify about streaming state 

Bug: 323288188
Bug: 323288608
Test: atest BluetoothLeAudioTest
Tag: #feature
Change-Id: I44c7aa9d9f6afb163a1ecfa5fd2184a4af06267e
parent c148cf66

android/app/aidl/android/bluetooth/IBluetoothLeAudio.aidl

+3 −0
Original line number Diff line number Diff line
@@ -81,6 +81,9 @@ oneway interface IBluetoothLeAudio { 
    const int GROUP_NODE_ADDED = 1;

    const int GROUP_NODE_REMOVED = 2;



    const int GROUP_STREAM_STATUS_IDLE = 0;

    const int GROUP_STREAM_STATUS_STREAMING = 1;



    /**

     * Get device group id. Devices with same group id belong to same group (i.e left and right

     * earbud)

framework/api/system-current.txt

+1 −0
Original line number Diff line number Diff line
@@ -489,6 +489,7 @@ package android.bluetooth { 
    method public void onGroupNodeAdded(@NonNull android.bluetooth.BluetoothDevice, int);

    method public void onGroupNodeRemoved(@NonNull android.bluetooth.BluetoothDevice, int);

    method public void onGroupStatusChanged(int, int);

    method @FlaggedApi("com.android.bluetooth.flags.leaudio_callback_on_group_stream_status") public default void onGroupStreamStatusChanged(int, int);

  }



  public final class BluetoothLeAudioCodecConfigMetadata implements android.os.Parcelable {

framework/java/android/bluetooth/BluetoothLeAudio.java

+45 −1
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ package android.bluetooth; 
import static android.bluetooth.BluetoothUtils.getSyncTimeout;



import android.annotation.CallbackExecutor;

import android.annotation.FlaggedApi;

import android.annotation.IntDef;

import android.annotation.IntRange;

import android.annotation.NonNull;
@@ -38,6 +39,7 @@ import android.os.RemoteException; 
import android.util.CloseGuard;

import android.util.Log;



import com.android.bluetooth.flags.Flags;

import com.android.modules.utils.SynchronousResultReceiver;



import java.lang.annotation.Retention;
@@ -61,7 +63,7 @@ import java.util.concurrent.TimeoutException; 
 */

public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable {

    private static final String TAG = "BluetoothLeAudio";

    private static final boolean DBG = false;

    private static final boolean DBG = Log.isLoggable(TAG, Log.DEBUG);

    private static final boolean VDBG = false;



    private final Map<Callback, Executor> mCallbackExecutorMap = new HashMap<>();
@@ -85,6 +87,15 @@ public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable { 
                })

        @interface GroupStatus {}



        /** @hide */

        @Retention(RetentionPolicy.SOURCE)

        @IntDef(

                value = {

                    GROUP_STREAM_STATUS_IDLE,

                    GROUP_STREAM_STATUS_STREAMING,

                })

        @interface GroupStreamStatus {}



        /**

         * Callback invoked when callback is registered and when codec config changes on the remote

         * device.
@@ -127,6 +138,22 @@ public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable { 
         */

        @SystemApi

        void onGroupStatusChanged(int groupId, @GroupStatus int groupStatus);



        /**

         * Callback invoked when the group's stream status changes.

         *

         * @param groupId the group id

         * @param groupStreamStatus streaming or idle state.

         * @hide

         */

        @FlaggedApi(Flags.FLAG_LEAUDIO_CALLBACK_ON_GROUP_STREAM_STATUS)

        @SystemApi

        default void onGroupStreamStatusChanged(

                int groupId, @GroupStreamStatus int groupStreamStatus) {

            if (DBG) {

                Log.d(TAG, " onGroupStreamStatusChanged is not implemented.");

            }

        }

    }



    @SuppressLint("AndroidFrameworkBluetoothPermission")
@@ -620,6 +647,23 @@ public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable { 
     */

    public static final int GROUP_STATUS_INACTIVE = IBluetoothLeAudio.GROUP_STATUS_INACTIVE;



    /**

     * Indicating that group stream is in IDLE (not streaming)

     *

     * @hide

     */

    @FlaggedApi(Flags.FLAG_LEAUDIO_CALLBACK_ON_GROUP_STREAM_STATUS)

    public static final int GROUP_STREAM_STATUS_IDLE = IBluetoothLeAudio.GROUP_STREAM_STATUS_IDLE;



    /**

     * Indicating that group is STREAMING

     *

     * @hide

     */

    @FlaggedApi(Flags.FLAG_LEAUDIO_CALLBACK_ON_GROUP_STREAM_STATUS)

    public static final int GROUP_STREAM_STATUS_STREAMING =

            IBluetoothLeAudio.GROUP_STREAM_STATUS_STREAMING;



    private IBluetoothLeAudio mService;



    /**