audio: add Bluetooth LE Audio broadcast device

Add audio device type definition for a Bluetooth LE
audio broadcast group.

Bug: 150670922
Test: make.

Change-Id: I8b2c7966ab6d1f3c637a043c4c802b8433ba697b
Merged-In: I8b2c7966ab6d1f3c637a043c4c802b8433ba697b

5 files changed, 26 insertions, 3 deletions

diff --git a/core/api/current.txt b/core/api/current.txt
index 235c496e999b..0ffc2c5198db 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -19114,6 +19114,7 @@ package android.media {
     method public boolean isSink();
     method public boolean isSource();
     field public static final int TYPE_AUX_LINE = 19; // 0x13
+    field public static final int TYPE_BLE_BROADCAST = 30; // 0x1e
     field public static final int TYPE_BLE_HEADSET = 26; // 0x1a
     field public static final int TYPE_BLE_SPEAKER = 27; // 0x1b
     field public static final int TYPE_BLUETOOTH_A2DP = 8; // 0x8
diff --git a/media/java/android/media/AudioDeviceInfo.java b/media/java/android/media/AudioDeviceInfo.java
index a186566aec0b..3edb10108497 100644
--- a/media/java/android/media/AudioDeviceInfo.java
+++ b/media/java/android/media/AudioDeviceInfo.java
@@ -177,6 +177,11 @@ public final class AudioDeviceInfo {
      */
     public static final int TYPE_HDMI_EARC         = 29;
 
+    /**
+     * A device type describing a Bluetooth Low Energy (BLE) broadcast group.
+     */
+    public static final int TYPE_BLE_BROADCAST   = 30;
+
     /** @hide */
     @IntDef(flag = false, prefix = "TYPE", value = {
             TYPE_BUILTIN_EARPIECE,
@@ -207,7 +212,8 @@ public final class AudioDeviceInfo {
             TYPE_REMOTE_SUBMIX,
             TYPE_BLE_HEADSET,
             TYPE_BLE_SPEAKER,
-            TYPE_ECHO_REFERENCE}
+            TYPE_ECHO_REFERENCE,
+            TYPE_BLE_BROADCAST}
     )
     @Retention(RetentionPolicy.SOURCE)
     public @interface AudioDeviceType {}
@@ -264,7 +270,8 @@ public final class AudioDeviceInfo {
             TYPE_HEARING_AID,
             TYPE_BUILTIN_SPEAKER_SAFE,
             TYPE_BLE_HEADSET,
-            TYPE_BLE_SPEAKER}
+            TYPE_BLE_SPEAKER,
+            TYPE_BLE_BROADCAST}
     )
     @Retention(RetentionPolicy.SOURCE)
     public @interface AudioDeviceTypeOut {}
@@ -296,6 +303,7 @@ public final class AudioDeviceInfo {
             case TYPE_BUILTIN_SPEAKER_SAFE:
             case TYPE_BLE_HEADSET:
             case TYPE_BLE_SPEAKER:
+            case TYPE_BLE_BROADCAST:
                 return true;
             default:
                 return false;
@@ -627,6 +635,7 @@ public final class AudioDeviceInfo {
         INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_REMOTE_SUBMIX, TYPE_REMOTE_SUBMIX);
         INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_BLE_HEADSET, TYPE_BLE_HEADSET);
         INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_BLE_SPEAKER, TYPE_BLE_SPEAKER);
+        INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_BLE_BROADCAST, TYPE_BLE_BROADCAST);
 
         INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_BUILTIN_MIC, TYPE_BUILTIN_MIC);
         INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_BLUETOOTH_SCO_HEADSET, TYPE_BLUETOOTH_SCO);
@@ -684,6 +693,7 @@ public final class AudioDeviceInfo {
         EXT_TO_INT_DEVICE_MAPPING.put(TYPE_REMOTE_SUBMIX, AudioSystem.DEVICE_OUT_REMOTE_SUBMIX);
         EXT_TO_INT_DEVICE_MAPPING.put(TYPE_BLE_HEADSET, AudioSystem.DEVICE_OUT_BLE_HEADSET);
         EXT_TO_INT_DEVICE_MAPPING.put(TYPE_BLE_SPEAKER, AudioSystem.DEVICE_OUT_BLE_SPEAKER);
+        EXT_TO_INT_DEVICE_MAPPING.put(TYPE_BLE_BROADCAST, AudioSystem.DEVICE_OUT_BLE_BROADCAST);
 
         // privileges mapping to input device
         EXT_TO_INT_INPUT_DEVICE_MAPPING = new SparseIntArray();
diff --git a/media/java/android/media/AudioDevicePort.java b/media/java/android/media/AudioDevicePort.java
index ebe08822a0c9..9211c53a17bc 100644
--- a/media/java/android/media/AudioDevicePort.java
+++ b/media/java/android/media/AudioDevicePort.java
@@ -90,7 +90,8 @@ public class AudioDevicePort extends AudioPort {
      * {@link AudioManager#DEVICE_OUT_BLE_HEADSET}, {@link AudioManager#DEVICE_OUT_BLE_SPEAKER})
      * use the MAC address of the bluetooth device in the form "00:11:22:AA:BB:CC" as reported by
      * {@link BluetoothDevice#getAddress()}.
-     * - Deivces that do not have an address will indicate an empty string "".
+     * - Bluetooth LE broadcast group ({@link AudioManager#DEVICE_OUT_BLE_BROADCAST} use the group number.
+     * - Devices that do not have an address will indicate an empty string "".
      */
     public String address() {
         return mAddress;
diff --git a/media/java/android/media/AudioManager.java b/media/java/android/media/AudioManager.java
index d8893cbd87ee..ce2bccfb1059 100644
--- a/media/java/android/media/AudioManager.java
+++ b/media/java/android/media/AudioManager.java
@@ -5404,6 +5404,10 @@ public class AudioManager {
      */
     public static final int DEVICE_OUT_BLE_SPEAKER = AudioSystem.DEVICE_OUT_BLE_SPEAKER;
     /** @hide
+     * The audio output device code for a BLE audio brodcast group.
+     */
+    public static final int DEVICE_OUT_BLE_BROADCAST = AudioSystem.DEVICE_OUT_BLE_BROADCAST;
+    /** @hide
      * This is not used as a returned value from {@link #getDevicesForStream}, but could be
      *  used in the future in a set method to select whatever default device is chosen by the
      *  platform-specific implementation.
diff --git a/media/java/android/media/AudioSystem.java b/media/java/android/media/AudioSystem.java
index 143b11f76f23..33b877c6a958 100644
--- a/media/java/android/media/AudioSystem.java
+++ b/media/java/android/media/AudioSystem.java
@@ -982,6 +982,8 @@ public class AudioSystem
     public static final int DEVICE_OUT_BLE_HEADSET = 0x20000000;
     /** @hide */
     public static final int DEVICE_OUT_BLE_SPEAKER = 0x20000001;
+    /** @hide */
+    public static final int DEVICE_OUT_BLE_BROADCAST = 0x20000002;
 
     /** @hide */
     public static final int DEVICE_OUT_DEFAULT = DEVICE_BIT_DEFAULT;
@@ -1042,6 +1044,7 @@ public class AudioSystem
         DEVICE_OUT_ALL_SET.add(DEVICE_OUT_ECHO_CANCELLER);
         DEVICE_OUT_ALL_SET.add(DEVICE_OUT_BLE_HEADSET);
         DEVICE_OUT_ALL_SET.add(DEVICE_OUT_BLE_SPEAKER);
+        DEVICE_OUT_ALL_SET.add(DEVICE_OUT_BLE_BROADCAST);
         DEVICE_OUT_ALL_SET.add(DEVICE_OUT_DEFAULT);
 
         DEVICE_OUT_ALL_A2DP_SET = new HashSet<>();
@@ -1072,6 +1075,7 @@ public class AudioSystem
         DEVICE_OUT_ALL_BLE_SET = new HashSet<>();
         DEVICE_OUT_ALL_BLE_SET.add(DEVICE_OUT_BLE_HEADSET);
         DEVICE_OUT_ALL_BLE_SET.add(DEVICE_OUT_BLE_SPEAKER);
+        DEVICE_OUT_ALL_BLE_SET.add(DEVICE_OUT_BLE_BROADCAST);
     }
 
     // input devices
@@ -1255,6 +1259,7 @@ public class AudioSystem
     /** @hide */ public static final String DEVICE_OUT_ECHO_CANCELLER_NAME = "echo_canceller";
     /** @hide */ public static final String DEVICE_OUT_BLE_HEADSET_NAME = "ble_headset";
     /** @hide */ public static final String DEVICE_OUT_BLE_SPEAKER_NAME = "ble_speaker";
+    /** @hide */ public static final String DEVICE_OUT_BLE_BROADCAST_NAME = "ble_broadcast";
 
     /** @hide */ public static final String DEVICE_IN_COMMUNICATION_NAME = "communication";
     /** @hide */ public static final String DEVICE_IN_AMBIENT_NAME = "ambient";
@@ -1354,6 +1359,8 @@ public class AudioSystem
             return DEVICE_OUT_BLE_HEADSET_NAME;
         case DEVICE_OUT_BLE_SPEAKER:
             return DEVICE_OUT_BLE_SPEAKER_NAME;
+        case DEVICE_OUT_BLE_BROADCAST:
+            return DEVICE_OUT_BLE_BROADCAST_NAME;
         case DEVICE_OUT_DEFAULT:
         default:
             return Integer.toString(device);