Merge "AudioService AudioDeviceBroker: fix speakerphone control" into rvc-dev am: bf01a79a83 (0c9b8dc9) · Commits · e / os / android_frameworks_base

media/java/android/media/AudioManager.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -1505,7 +1505,7 @@ public class AudioManager {
		public void setSpeakerphoneOn(boolean on){
		final IAudioService service = getService();
		try {
		service.setSpeakerphoneOn(on);
		service.setSpeakerphoneOn(mICallBack, on);
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}

media/java/android/media/IAudioService.aidl

+1 −1

Original line number	Diff line number	Diff line
		@@ -150,7 +150,7 @@ interface IAudioService {

		oneway void avrcpSupportsAbsoluteVolume(String address, boolean support);

		void setSpeakerphoneOn(boolean on);
		void setSpeakerphoneOn(IBinder cb, boolean on);

		boolean isSpeakerphoneOn();

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

+180 −25

Original line number	Diff line number	Diff line
		@@ -36,6 +36,7 @@ import android.os.IBinder;
		import android.os.Looper;
		import android.os.Message;
		import android.os.PowerManager;
		import android.os.RemoteException;
		import android.os.SystemClock;
		import android.util.Log;
		import android.util.PrintWriterPrinter;
		@@ -43,6 +44,9 @@ import android.util.PrintWriterPrinter;
		import com.android.internal.annotations.GuardedBy;

		import java.io.PrintWriter;
		import java.util.ArrayList;
		import java.util.NoSuchElementException;


		/** @hide */
		/package/ final class AudioDeviceBroker {
		@@ -91,6 +95,9 @@ import java.io.PrintWriter;
		// TODO do not "share" the lock between AudioService and BtHelpr, see b/123769055
		/package/ final Object mSetModeLock = new Object();

		/** PID of current audio mode owner communicated by AudioService */
		private int mModeOwnerPid = 0;

		//-------------------------------------------------------------------
		/package/ AudioDeviceBroker(@NonNull Context context, @NonNull AudioService service) {
		mContext = context;
		@@ -136,6 +143,7 @@ import java.io.PrintWriter;
		/package/ void onSystemReady() {
		synchronized (mSetModeLock) {
		synchronized (mDeviceStateLock) {
		mModeOwnerPid = mAudioService.getModeOwnerPid();
		mBtHelper.onSystemReady();
		}
		}
		@@ -202,10 +210,20 @@ import java.io.PrintWriter;
		* @param eventSource for logging purposes
		* @return true if speakerphone state changed
		*/
		/package/ boolean setSpeakerphoneOn(boolean on, String eventSource) {
		/package/ boolean setSpeakerphoneOn(IBinder cb, int pid, boolean on, String eventSource) {
		synchronized (mDeviceStateLock) {
		if (!addSpeakerphoneClient(cb, pid, on)) {
		return false;
		}
		final boolean wasOn = isSpeakerphoneOn();
		if (on) {
		updateSpeakerphoneOn(eventSource);
		return (wasOn != isSpeakerphoneOn());
		}
		}

		@GuardedBy("mDeviceStateLock")
		private void updateSpeakerphoneOn(String eventSource) {
		if (isSpeakerphoneOnRequested()) {
		if (mForcedUseForComm == AudioSystem.FORCE_BT_SCO) {
		setForceUse_Async(AudioSystem.FOR_RECORD, AudioSystem.FORCE_NONE, eventSource);
		}
		@@ -219,11 +237,28 @@ import java.io.PrintWriter;
		mForcedUseForComm = AudioSystem.FORCE_NONE;
		}
		}

		mForcedUseForCommExt = mForcedUseForComm;
		setForceUse_Async(AudioSystem.FOR_COMMUNICATION, mForcedUseForComm, eventSource);
		return (wasOn != isSpeakerphoneOn());
		}

		/**
		* Returns if speakerphone is requested ON or OFF.
		* If the current audio mode owner is in the speakerphone client list, use this preference.
		* Otherwise use first client's preference (first client corresponds to latest request).
		* Speakerphone is requested OFF if no client is in the list.
		* @return true if speakerphone is requested ON, false otherwise
		*/
		@GuardedBy("mDeviceStateLock")
		private boolean isSpeakerphoneOnRequested() {
		if (mSpeakerphoneClients.isEmpty()) {
		return false;
		}
		for (SpeakerphoneClient cl : mSpeakerphoneClients) {
		if (cl.getPid() == mModeOwnerPid) {
		return cl.isOn();
		}
		}
		return mSpeakerphoneClients.get(0).isOn();
		}

		/package/ boolean isSpeakerphoneOn() {
		@@ -384,7 +419,8 @@ import java.io.PrintWriter;
		}
		mForcedUseForComm = AudioSystem.FORCE_BT_SCO;
		} else if (mForcedUseForComm == AudioSystem.FORCE_BT_SCO) {
		mForcedUseForComm = AudioSystem.FORCE_NONE;
		mForcedUseForComm = isSpeakerphoneOnRequested()
		? AudioSystem.FORCE_SPEAKER : AudioSystem.FORCE_NONE;
		}
		mForcedUseForCommExt = mForcedUseForComm;
		AudioSystem.setParameters("BT_SCO=" + (on ? "on" : "off"));
		@@ -429,8 +465,8 @@ import java.io.PrintWriter;
		sendIIMsgNoDelay(MSG_II_SET_HEARING_AID_VOLUME, SENDMSG_REPLACE, index, streamType);
		}

		/package/ void postDisconnectBluetoothSco(int exceptPid) {
		sendIMsgNoDelay(MSG_I_DISCONNECT_BT_SCO, SENDMSG_REPLACE, exceptPid);
		/package/ void postSetModeOwnerPid(int pid) {
		sendIMsgNoDelay(MSG_I_SET_MODE_OWNER_PID, SENDMSG_REPLACE, pid);
		}

		/package/ void postBluetoothA2dpDeviceConfigChange(@NonNull BluetoothDevice device) {
		@@ -483,7 +519,7 @@ import java.io.PrintWriter;
		}

		/package/ int getModeOwnerPid() {
		return mAudioService.getModeOwnerPid();
		return mModeOwnerPid;
		}

		/package/ int getDeviceForStream(int streamType) {
		@@ -605,6 +641,10 @@ import java.io.PrintWriter;
		sendLMsgNoDelay(MSG_L_SCOCLIENT_DIED, SENDMSG_QUEUE, obj);
		}

		/package/ void postSpeakerphoneClientDied(Object obj) {
		sendLMsgNoDelay(MSG_L_SPEAKERPHONE_CLIENT_DIED, SENDMSG_QUEUE, obj);
		}

		/package/ void postSaveSetPreferredDeviceForStrategy(int strategy,
		AudioDeviceAttributes device)
		{
		@@ -707,7 +747,20 @@ import java.io.PrintWriter;
		} else {
		pw.println("Message handler is null");
		}

		mDeviceInventory.dump(pw, prefix);

		pw.println("\n" + prefix + "mForcedUseForComm: "
		+ AudioSystem.forceUseConfigToString(mForcedUseForComm));
		pw.println(prefix + "mForcedUseForCommExt: "
		+ AudioSystem.forceUseConfigToString(mForcedUseForCommExt));
		pw.println(prefix + "mModeOwnerPid: " + mModeOwnerPid);
		pw.println(prefix + "Speakerphone clients:");
		mSpeakerphoneClients.forEach((cl) -> {
		pw.println(" " + prefix + "pid: " + cl.getPid() + " on: "
		+ cl.isOn() + " cb: " + cl.getBinder()); });

		mBtHelper.dump(pw, prefix);
		}

		//---------------------------------------------------------------------
		@@ -877,10 +930,16 @@ import java.io.PrintWriter;
		mBtHelper.setAvrcpAbsoluteVolumeIndex(msg.arg1);
		}
		break;
		case MSG_I_DISCONNECT_BT_SCO:
		case MSG_I_SET_MODE_OWNER_PID:
		synchronized (mSetModeLock) {
		synchronized (mDeviceStateLock) {
		mBtHelper.disconnectBluetoothSco(msg.arg1);
		if (mModeOwnerPid != msg.arg1) {
		mModeOwnerPid = msg.arg1;
		updateSpeakerphoneOn("setNewModeOwner");
		if (mModeOwnerPid != 0) {
		mBtHelper.disconnectBluetoothSco(mModeOwnerPid);
		}
		}
		}
		}
		break;
		@@ -891,6 +950,11 @@ import java.io.PrintWriter;
		}
		}
		break;
		case MSG_L_SPEAKERPHONE_CLIENT_DIED:
		synchronized (mDeviceStateLock) {
		speakerphoneClientDied(msg.obj);
		}
		break;
		case MSG_TOGGLE_HDMI:
		synchronized (mDeviceStateLock) {
		mDeviceInventory.onToggleHdmi();
		@@ -1021,7 +1085,7 @@ import java.io.PrintWriter;
		private static final int MSG_REPORT_NEW_ROUTES = 13;
		private static final int MSG_II_SET_HEARING_AID_VOLUME = 14;
		private static final int MSG_I_SET_AVRCP_ABSOLUTE_VOLUME = 15;
		private static final int MSG_I_DISCONNECT_BT_SCO = 16;
		private static final int MSG_I_SET_MODE_OWNER_PID = 16;

		// process active A2DP device change, obj is BtHelper.BluetoothA2dpDeviceInfo
		private static final int MSG_L_A2DP_ACTIVE_DEVICE_CHANGE = 18;
		@@ -1051,6 +1115,8 @@ import java.io.PrintWriter;
		private static final int MSG_IL_SAVE_PREF_DEVICE_FOR_STRATEGY = 33;
		private static final int MSG_I_SAVE_REMOVE_PREF_DEVICE_FOR_STRATEGY = 34;

		private static final int MSG_L_SPEAKERPHONE_CLIENT_DIED = 35;


		private static boolean isMessageHandledUnderWakelock(int msgId) {
		switch(msgId) {
		@@ -1166,4 +1232,93 @@ import java.io.PrintWriter;
		time);
		}
		}

		private class SpeakerphoneClient implements IBinder.DeathRecipient {
		private final IBinder mCb;
		private final int mPid;
		private final boolean mOn;
		SpeakerphoneClient(IBinder cb, int pid, boolean on) {
		mCb = cb;
		mPid = pid;
		mOn = on;
		}

		public boolean registerDeathRecipient() {
		boolean status = false;
		try {
		mCb.linkToDeath(this, 0);
		status = true;
		} catch (RemoteException e) {
		Log.w(TAG, "SpeakerphoneClient could not link to " + mCb + " binder death");
		}
		return status;
		}

		public void unregisterDeathRecipient() {
		try {
		mCb.unlinkToDeath(this, 0);
		} catch (NoSuchElementException e) {
		Log.w(TAG, "SpeakerphoneClient could not not unregistered to binder");
		}
		}

		@Override
		public void binderDied() {
		postSpeakerphoneClientDied(this);
		}

		IBinder getBinder() {
		return mCb;
		}

		int getPid() {
		return mPid;
		}

		boolean isOn() {
		return mOn;
		}
		}

		@GuardedBy("mDeviceStateLock")
		private void speakerphoneClientDied(Object obj) {
		if (obj == null) {
		return;
		}
		Log.w(TAG, "Speaker client died");
		if (removeSpeakerphoneClient(((SpeakerphoneClient) obj).getBinder(), false) != null) {
		updateSpeakerphoneOn("speakerphoneClientDied");
		}
		}

		private SpeakerphoneClient removeSpeakerphoneClient(IBinder cb, boolean unregister) {
		for (SpeakerphoneClient cl : mSpeakerphoneClients) {
		if (cl.getBinder() == cb) {
		if (unregister) {
		cl.unregisterDeathRecipient();
		}
		mSpeakerphoneClients.remove(cl);
		return cl;
		}
		}
		return null;
		}

		@GuardedBy("mDeviceStateLock")
		private boolean addSpeakerphoneClient(IBinder cb, int pid, boolean on) {
		// always insert new request at first position
		removeSpeakerphoneClient(cb, true);
		SpeakerphoneClient client = new SpeakerphoneClient(cb, pid, on);
		if (client.registerDeathRecipient()) {
		mSpeakerphoneClients.add(0, client);
		return true;
		}
		return false;
		}

		// List of clients requesting speakerPhone ON
		@GuardedBy("mDeviceStateLock")
		private final @NonNull ArrayList<SpeakerphoneClient> mSpeakerphoneClients =
		new ArrayList<SpeakerphoneClient>();

		}

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

+12 −29

Original line number	Diff line number	Diff line
		@@ -3567,11 +3567,9 @@ public class AudioService extends IAudioService.Stub
		}

		public void binderDied() {
		int oldModeOwnerPid;
		int newModeOwnerPid = 0;
		synchronized (mDeviceBroker.mSetModeLock) {
		Log.w(TAG, "setMode() client died");
		oldModeOwnerPid = getModeOwnerPid();
		int index = mSetModeDeathHandlers.indexOf(this);
		if (index < 0) {
		Log.w(TAG, "unregistered setMode() client died");
		@@ -3581,9 +3579,7 @@ public class AudioService extends IAudioService.Stub
		}
		// when entering RINGTONE, IN_CALL or IN_COMMUNICATION mode, clear all
		// SCO connections not started by the application changing the mode when pid changes
		if ((newModeOwnerPid != oldModeOwnerPid) && (newModeOwnerPid != 0)) {
		mDeviceBroker.postDisconnectBluetoothSco(newModeOwnerPid);
		}
		mDeviceBroker.postSetModeOwnerPid(newModeOwnerPid);
		}

		public int getPid() {
		@@ -3635,16 +3631,19 @@ public class AudioService extends IAudioService.Stub
		return;
		}

		int oldModeOwnerPid;
		int newModeOwnerPid;
		synchronized (mDeviceBroker.mSetModeLock) {
		if (mode == AudioSystem.MODE_CURRENT) {
		mode = mMode;
		}
		oldModeOwnerPid = getModeOwnerPid();
		int oldModeOwnerPid = getModeOwnerPid();
		// Do not allow changing mode if a call is active and the requester
		// does not have permission to modify phone state or is not the mode owner.
		if (((mMode == AudioSystem.MODE_IN_CALL)
		// does not have permission to modify phone state or is not the mode owner,
		// unless returning to NORMAL mode (will not change current mode owner) or
		// not changing mode in which case the mode owner will reflect the last
		// requester of current mode
		if (!((mode == mMode) \|\| (mode == AudioSystem.MODE_NORMAL))
		&& ((mMode == AudioSystem.MODE_IN_CALL)
		\|\| (mMode == AudioSystem.MODE_IN_COMMUNICATION))
		&& !(hasModifyPhoneStatePermission \|\| (oldModeOwnerPid == callingPid))) {
		Log.w(TAG, "setMode(" + mode + ") from pid=" + callingPid
		@@ -3658,9 +3657,7 @@ public class AudioService extends IAudioService.Stub
		}
		// when entering RINGTONE, IN_CALL or IN_COMMUNICATION mode, clear all
		// SCO connections not started by the application changing the mode when pid changes
		if ((newModeOwnerPid != oldModeOwnerPid) && (newModeOwnerPid != 0)) {
		mDeviceBroker.postDisconnectBluetoothSco(newModeOwnerPid);
		}
		mDeviceBroker.postSetModeOwnerPid(newModeOwnerPid);
		}

		// setModeInt() returns a valid PID if the audio mode was successfully set to
		@@ -3937,32 +3934,18 @@ public class AudioService extends IAudioService.Stub
		}

		/** @see AudioManager#setSpeakerphoneOn(boolean) */
		public void setSpeakerphoneOn(boolean on){
		public void setSpeakerphoneOn(IBinder cb, boolean on) {
		if (!checkAudioSettingsPermission("setSpeakerphoneOn()")) {
		return;
		}

		if (mContext.checkCallingOrSelfPermission(
		android.Manifest.permission.MODIFY_PHONE_STATE)
		!= PackageManager.PERMISSION_GRANTED) {
		synchronized (mSetModeDeathHandlers) {
		for (SetModeDeathHandler h : mSetModeDeathHandlers) {
		if (h.getMode() == AudioSystem.MODE_IN_CALL) {
		Log.w(TAG, "getMode is call, Permission Denial: setSpeakerphoneOn from pid="
		+ Binder.getCallingPid() + ", uid=" + Binder.getCallingUid());
		return;
		}
		}
		}
		}

		// for logging only
		final int uid = Binder.getCallingUid();
		final int pid = Binder.getCallingPid();
		final String eventSource = new StringBuilder("setSpeakerphoneOn(").append(on)
		.append(") from u/pid:").append(uid).append("/")
		.append(pid).toString();
		final boolean stateChanged = mDeviceBroker.setSpeakerphoneOn(on, eventSource);
		final boolean stateChanged = mDeviceBroker.setSpeakerphoneOn(cb, pid, on, eventSource);
		new MediaMetrics.Item(MediaMetrics.Name.AUDIO_DEVICE
		+ MediaMetrics.SEPARATOR + "setSpeakerphoneOn")
		.setUid(uid)

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

+37 −0

Original line number	Diff line number	Diff line
		@@ -38,6 +38,7 @@ import android.util.Log;

		import com.android.internal.annotations.GuardedBy;

		import java.io.PrintWriter;
		import java.util.ArrayList;
		import java.util.List;
		import java.util.NoSuchElementException;
		@@ -131,6 +132,26 @@ public class BtHelper {
		}
		}

		/**
		* Returns a string representation of the scoAudioState.
		*/
		public static String scoAudioStateToString(int scoAudioState) {
		switch (scoAudioState) {
		case SCO_STATE_INACTIVE:
		return "SCO_STATE_INACTIVE";
		case SCO_STATE_ACTIVATE_REQ:
		return "SCO_STATE_ACTIVATE_REQ";
		case SCO_STATE_ACTIVE_EXTERNAL:
		return "SCO_STATE_ACTIVE_EXTERNAL";
		case SCO_STATE_ACTIVE_INTERNAL:
		return "SCO_STATE_ACTIVE_INTERNAL";
		case SCO_STATE_DEACTIVATING:
		return "SCO_STATE_DEACTIVATING";
		default:
		return "SCO_STATE_(" + scoAudioState + ")";
		}
		}

		//----------------------------------------------------------------------
		/package/ static class BluetoothA2dpDeviceInfo {
		private final @NonNull BluetoothDevice mBtDevice;
		@@ -1007,4 +1028,20 @@ public class BtHelper {
		return "ENCODING_BT_CODEC_TYPE(" + btCodecType + ")";
		}
		}

		//------------------------------------------------------------
		/package/ void dump(PrintWriter pw, String prefix) {
		pw.println("\n" + prefix + "mBluetoothHeadset: " + mBluetoothHeadset);
		pw.println(prefix + "mBluetoothHeadsetDevice: " + mBluetoothHeadsetDevice);
		pw.println(prefix + "mScoAudioState: " + scoAudioStateToString(mScoAudioState));
		pw.println(prefix + "mScoAudioMode: " + scoAudioModeToString(mScoAudioMode));
		pw.println(prefix + "Sco clients:");
		mScoClients.forEach((cl) -> {
		pw.println(" " + prefix + "pid: " + cl.getPid() + " cb: " + cl.getBinder()); });

		pw.println("\n" + prefix + "mHearingAid: " + mHearingAid);
		pw.println(prefix + "mA2dp: " + mA2dp);
		pw.println(prefix + "mAvrcpAbsVolSupported: " + mAvrcpAbsVolSupported);
		}

		}