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AudioService: Add makeLeAudioDeviceUnavailableLater

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Currently, when LE Audio device becomes unavaliable due to BT adapter
disable, user can hear audio from device speaker for a split second.
This is because we make device unavaliable immediately for LE Audio.
Instead, it should become unavaliable after AUDIO_BECOMING_NOISY intent
is sent.

Since this is working correctly for A2DP, fix is to copy solution from
there for LE Audio code path, and split makeLeAudioDeviceUnavailable
into *Now and *Later versions.

With this fix, the device becomes unavaliable after the noisy intent,
and audio glitch is not heard from speaker.

Example dumpsys audio logs after fix is applied:

02-16 11:25:43:022 broadcast ACTION_AUDIO_BECOMING_NOISY
02-16 11:25:44:050 LE Audio device addr=14:3F:A6:60:0A:A5 made unavailable

Bug: 263209656
Test: play music in Spotfiy, listen on LE Audio device, then disable
Bluetooth. Verify that audio is not heard from the phoen speaker

Change-Id: I0ff85798c3672b2d6862460c2f2d914f705aac2c
(cherry picked from commit 7fb3968aac)
This commit is contained in:
Jakub Pawlowski
2023-02-16 11:46:18 +01:00
committed by Jakub Pawłowski
parent 7137d9165d
commit 8c14a82016
2 changed files with 33 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
services/core/java/com/android/server/audio/AudioDeviceBroker.java
View File

@@ -1263,6 +1263,10 @@ import java.util.concurrent.atomic.AtomicBoolean;
sendILMsg(MSG_IL_BTA2DP_TIMEOUT, SENDMSG_QUEUE, a2dpCodec, address, delayMs);
}
/*package*/ void setLeAudioTimeout(String address, int device, int delayMs) {
sendILMsg(MSG_IL_BTLEAUDIO_TIMEOUT, SENDMSG_QUEUE, device, address, delayMs);
}
/*package*/ void setAvrcpAbsoluteVolumeSupported(boolean supported) {
synchronized (mDeviceStateLock) {
mBtHelper.setAvrcpAbsoluteVolumeSupported(supported);
@@ -1467,6 +1471,13 @@ import java.util.concurrent.atomic.AtomicBoolean;
mDeviceInventory.onMakeA2dpDeviceUnavailableNow((String) msg.obj, msg.arg1);
}
break;
case MSG_IL_BTLEAUDIO_TIMEOUT:
// msg.obj == address of LE Audio device
synchronized (mDeviceStateLock) {
mDeviceInventory.onMakeLeAudioDeviceUnavailableNow(
(String) msg.obj, msg.arg1);
}
break;
case MSG_L_A2DP_DEVICE_CONFIG_CHANGE:
final BluetoothDevice btDevice = (BluetoothDevice) msg.obj;
synchronized (mDeviceStateLock) {
@@ -1703,12 +1714,14 @@ import java.util.concurrent.atomic.AtomicBoolean;
private static final int MSG_IL_SAVE_NDEF_DEVICE_FOR_STRATEGY = 47;
private static final int MSG_IL_SAVE_REMOVE_NDEF_DEVICE_FOR_STRATEGY = 48;
private static final int MSG_IL_BTLEAUDIO_TIMEOUT = 49;
private static boolean isMessageHandledUnderWakelock(int msgId) {
switch(msgId) {
case MSG_L_SET_WIRED_DEVICE_CONNECTION_STATE:
case MSG_L_SET_BT_ACTIVE_DEVICE:
case MSG_IL_BTA2DP_TIMEOUT:
case MSG_IL_BTLEAUDIO_TIMEOUT:
case MSG_L_A2DP_DEVICE_CONFIG_CHANGE:
case MSG_TOGGLE_HDMI:
case MSG_L_A2DP_DEVICE_CONNECTION_CHANGE_EXT:
@@ -1800,6 +1813,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
case MSG_L_SET_BT_ACTIVE_DEVICE:
case MSG_L_SET_WIRED_DEVICE_CONNECTION_STATE:
case MSG_IL_BTA2DP_TIMEOUT:
case MSG_IL_BTLEAUDIO_TIMEOUT:
case MSG_L_A2DP_DEVICE_CONFIG_CHANGE:
if (sLastDeviceConnectMsgTime >= time) {
// add a little delay to make sure messages are ordered as expected

23
services/core/java/com/android/server/audio/AudioDeviceInventory.java
View File

@@ -395,7 +395,7 @@ public class AudioDeviceInventory {
case BluetoothProfile.LE_AUDIO:
case BluetoothProfile.LE_AUDIO_BROADCAST:
if (switchToUnavailable) {
makeLeAudioDeviceUnavailable(address, btInfo.mAudioSystemDevice);
makeLeAudioDeviceUnavailableNow(address, btInfo.mAudioSystemDevice);
} else if (switchToAvailable) {
makeLeAudioDeviceAvailable(address, BtHelper.getName(btInfo.mDevice),
streamType, btInfo.mVolume == -1 ? -1 : btInfo.mVolume * 10,
@@ -507,6 +507,12 @@ public class AudioDeviceInventory {
}
}
/*package*/ void onMakeLeAudioDeviceUnavailableNow(String address, int device) {
synchronized (mDevicesLock) {
makeLeAudioDeviceUnavailableNow(address, device);
}
}
/*package*/ void onReportNewRoutes() {
int n = mRoutesObservers.beginBroadcast();
if (n > 0) {
@@ -1027,10 +1033,11 @@ public class AudioDeviceInventory {
new MediaMetrics.Item(mMetricsId + "disconnectLeAudio")
.record();
if (toRemove.size() > 0) {
final int delay = checkSendBecomingNoisyIntentInt(device, 0,
final int delay = checkSendBecomingNoisyIntentInt(device,
AudioService.CONNECTION_STATE_DISCONNECTED,
AudioSystem.DEVICE_NONE);
toRemove.stream().forEach(deviceAddress ->
makeLeAudioDeviceUnavailable(deviceAddress, device)
makeLeAudioDeviceUnavailableLater(deviceAddress, device, delay)
);
}
}
@@ -1354,7 +1361,7 @@ public class AudioDeviceInventory {
}
@GuardedBy("mDevicesLock")
private void makeLeAudioDeviceUnavailable(String address, int device) {
private void makeLeAudioDeviceUnavailableNow(String address, int device) {
if (device != AudioSystem.DEVICE_NONE) {
AudioSystem.setDeviceConnectionState(new AudioDeviceAttributes(device, address),
AudioSystem.DEVICE_STATE_UNAVAILABLE,
@@ -1365,6 +1372,14 @@ public class AudioDeviceInventory {
setCurrentAudioRouteNameIfPossible(null, false /*fromA2dp*/);
}
@GuardedBy("mDevicesLock")
private void makeLeAudioDeviceUnavailableLater(String address, int device, int delayMs) {
// the device will be made unavailable later, so consider it disconnected right away
mConnectedDevices.remove(DeviceInfo.makeDeviceListKey(device, address));
// send the delayed message to make the device unavailable later
mDeviceBroker.setLeAudioTimeout(address, device, delayMs);
}
@GuardedBy("mDevicesLock")
private void setCurrentAudioRouteNameIfPossible(String name, boolean fromA2dp) {
synchronized (mCurAudioRoutes) {