Merge "audioservice: fix not able to disconnect VoIP call" into rvc-dev am:... (af7370d8) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/audio/AudioDeviceBroker.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -324,7 +324,7 @@ import java.io.PrintWriter;
		}

		/package/ void setBluetoothScoOn(boolean on, String eventSource) {
		//Log.i(TAG, "setBluetoothScoOnInt: " + on + " " + eventSource);
		//Log.i(TAG, "setBluetoothScoOn: " + on + " " + eventSource);
		synchronized (mDeviceStateLock) {
		if (on) {
		// do not accept SCO ON if SCO audio is not connected

services/core/java/com/android/server/audio/BtHelper.java

+50 −95

Original line number	Diff line number	Diff line
		@@ -58,6 +58,7 @@ public class BtHelper {
		}

		// List of clients having issued a SCO start request
		@GuardedBy("BtHelper.this")
		private final @NonNull ArrayList<ScoClient> mScoClients = new ArrayList<ScoClient>();

		// BluetoothHeadset API to control SCO connection
		@@ -356,9 +357,8 @@ public class BtHelper {
		// client is created.
		final long ident = Binder.clearCallingIdentity();
		try {
		eventSource += " client count before=" + client.getCount();
		AudioService.sDeviceLogger.log(new AudioEventLogger.StringEvent(eventSource));
		client.incCount(scoAudioMode);
		client.requestScoState(BluetoothHeadset.STATE_AUDIO_CONNECTED, scoAudioMode);
		} catch (NullPointerException e) {
		Log.e(TAG, "Null ScoClient", e);
		}
		@@ -375,9 +375,15 @@ public class BtHelper {
		// and this must be done on behalf of system server to make sure permissions are granted.
		final long ident = Binder.clearCallingIdentity();
		if (client != null) {
		eventSource += " client count before=" + client.getCount();
		AudioService.sDeviceLogger.log(new AudioEventLogger.StringEvent(eventSource));
		client.decCount();
		client.requestScoState(BluetoothHeadset.STATE_AUDIO_DISCONNECTED,
		SCO_MODE_VIRTUAL_CALL);
		// If a disconnection is pending, the client will be removed whne clearAllScoClients()
		// is called form receiveBtEvent()
		if (mScoAudioState != SCO_STATE_DEACTIVATE_REQ
		&& mScoAudioState != SCO_STATE_DEACTIVATING) {
		client.remove(false /stop /, true /unregister/);
		}
		}
		Binder.restoreCallingIdentity(ident);
		}
		@@ -657,96 +663,40 @@ public class BtHelper {
		@GuardedBy("AudioDeviceBroker.mDeviceStateLock")
		/package/ synchronized void scoClientDied(Object obj) {
		final ScoClient client = (ScoClient) obj;
		client.remove(true /stop/, false /unregister/);
		Log.w(TAG, "SCO client died");
		int index = mScoClients.indexOf(client);
		if (index < 0) {
		Log.w(TAG, "unregistered SCO client died");
		} else {
		client.clearCount(true);
		mScoClients.remove(client);
		}
		}

		private class ScoClient implements IBinder.DeathRecipient {
		private IBinder mCb; // To be notified of client's death
		private int mCreatorPid;
		private int mStartcount; // number of SCO connections started by this client

		ScoClient(IBinder cb) {
		mCb = cb;
		mCreatorPid = Binder.getCallingPid();
		mStartcount = 0;
		}

		@Override
		public void binderDied() {
		// process this from DeviceBroker's message queue to take the right locks since
		// this event can impact SCO mode and requires querying audio mode stack
		mDeviceBroker.postScoClientDied(this);
		}

		// @GuardedBy("AudioDeviceBroker.mSetModeLock")
		// @GuardedBy("AudioDeviceBroker.mDeviceStateLock")
		@GuardedBy("BtHelper.this")
		void incCount(int scoAudioMode) {
		if (!requestScoState(BluetoothHeadset.STATE_AUDIO_CONNECTED, scoAudioMode)) {
		Log.e(TAG, "Request sco connected with scoAudioMode("
		+ scoAudioMode + ") failed");
		return;
		}
		if (mStartcount == 0) {
		public void registerDeathRecipient() {
		try {
		mCb.linkToDeath(this, 0);
		} catch (RemoteException e) {
		// client has already died!
		Log.w(TAG, "ScoClient incCount() could not link to "
		+ mCb + " binder death");
		}
		}
		mStartcount++;
		}

		// @GuardedBy("AudioDeviceBroker.mSetModeLock")
		// @GuardedBy("AudioDeviceBroker.mDeviceStateLock")
		@GuardedBy("BtHelper.this")
		void decCount() {
		if (mStartcount == 0) {
		Log.w(TAG, "ScoClient.decCount() already 0");
		} else {
		mStartcount--;
		if (mStartcount == 0) {
		try {
		mCb.unlinkToDeath(this, 0);
		} catch (NoSuchElementException e) {
		Log.w(TAG, "decCount() going to 0 but not registered to binder");
		}
		}
		if (!requestScoState(BluetoothHeadset.STATE_AUDIO_DISCONNECTED, 0)) {
		Log.w(TAG, "Request sco disconnected with scoAudioMode(0) failed");
		}
		Log.w(TAG, "ScoClient could not link to " + mCb + " binder death");
		}
		}

		// @GuardedBy("AudioDeviceBroker.mSetModeLock")
		// @GuardedBy("AudioDeviceBroker.mDeviceStateLock")
		@GuardedBy("BtHelper.this")
		void clearCount(boolean stopSco) {
		if (mStartcount != 0) {
		public void unregisterDeathRecipient() {
		try {
		mCb.unlinkToDeath(this, 0);
		} catch (NoSuchElementException e) {
		Log.w(TAG, "clearCount() mStartcount: "
		+ mStartcount + " != 0 but not registered to binder");
		}
		}
		mStartcount = 0;
		if (stopSco) {
		requestScoState(BluetoothHeadset.STATE_AUDIO_DISCONNECTED, 0);
		Log.w(TAG, "ScoClient could not not unregistered to binder");
		}
		}

		int getCount() {
		return mStartcount;
		@Override
		public void binderDied() {
		// process this from DeviceBroker's message queue to take the right locks since
		// this event can impact SCO mode and requires querying audio mode stack
		mDeviceBroker.postScoClientDied(this);
		}

		IBinder getBinder() {
		@@ -757,23 +707,14 @@ public class BtHelper {
		return mCreatorPid;
		}

		private int totalCount() {
		int count = 0;
		for (ScoClient mScoClient : mScoClients) {
		count += mScoClient.getCount();
		}
		return count;
		}

		// @GuardedBy("AudioDeviceBroker.mSetModeLock")
		//@GuardedBy("AudioDeviceBroker.mDeviceStateLock")
		@GuardedBy("BtHelper.this")
		private boolean requestScoState(int state, int scoAudioMode) {
		checkScoAudioState();
		int clientCount = totalCount();
		if (clientCount != 0) {
		if (mScoClients.size() != 1) {
		Log.i(TAG, "requestScoState: state=" + state + ", scoAudioMode=" + scoAudioMode
		+ ", clientCount=" + clientCount);
		+ ", num SCO clients=" + mScoClients.size());
		return true;
		}
		if (state == BluetoothHeadset.STATE_AUDIO_CONNECTED) {
		@@ -842,12 +783,14 @@ public class BtHelper {
		mScoAudioState = SCO_STATE_ACTIVE_INTERNAL;
		broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_CONNECTED);
		break;
		case SCO_STATE_ACTIVE_INTERNAL:
		Log.w(TAG, "requestScoState: already in ACTIVE mode, simply return");
		break;
		default:
		Log.w(TAG, "requestScoState: failed to connect in state "
		+ mScoAudioState + ", scoAudioMode=" + scoAudioMode);
		broadcastScoConnectionState(AudioManager.SCO_AUDIO_STATE_DISCONNECTED);
		return false;

		}
		} else if (state == BluetoothHeadset.STATE_AUDIO_DISCONNECTED) {
		switch (mScoAudioState) {
		@@ -893,6 +836,18 @@ public class BtHelper {
		}
		return true;
		}

		@GuardedBy("BtHelper.this")
		void remove(boolean stop, boolean unregister) {
		if (unregister) {
		unregisterDeathRecipient();
		}
		if (stop) {
		requestScoState(BluetoothHeadset.STATE_AUDIO_DISCONNECTED,
		SCO_MODE_VIRTUAL_CALL);
		}
		mScoClients.remove(this);
		}
		}

		//-----------------------------------------------------
		@@ -946,6 +901,7 @@ public class BtHelper {
		}


		@GuardedBy("BtHelper.this")
		private ScoClient getScoClient(IBinder cb, boolean create) {
		for (ScoClient existingClient : mScoClients) {
		if (existingClient.getBinder() == cb) {
		@@ -954,6 +910,7 @@ public class BtHelper {
		}
		if (create) {
		ScoClient newClient = new ScoClient(cb);
		newClient.registerDeathRecipient();
		mScoClients.add(newClient);
		return newClient;
		}
		@@ -964,18 +921,16 @@ public class BtHelper {
		//@GuardedBy("AudioDeviceBroker.mDeviceStateLock")
		@GuardedBy("BtHelper.this")
		private void clearAllScoClients(int exceptPid, boolean stopSco) {
		ScoClient savedClient = null;
		final ArrayList<ScoClient> clients = new ArrayList<ScoClient>();
		for (ScoClient cl : mScoClients) {
		if (cl.getPid() != exceptPid) {
		cl.clearCount(stopSco);
		} else {
		savedClient = cl;
		clients.add(cl);
		}
		}
		mScoClients.clear();
		if (savedClient != null) {
		mScoClients.add(savedClient);
		for (ScoClient cl : clients) {
		cl.remove(stopSco, true /unregister/);
		}

		}

		private boolean getBluetoothHeadset() {