AudioService: Add reporting of Mic Mute on start (3d233931) · Commits · e / os / android_frameworks_base

media/java/android/media/AudioManager.java

+26 −1

Original line number	Diff line number	Diff line
		@@ -1856,13 +1856,38 @@ public class AudioManager {
		}
		}

		/**
		* @hide
		* Sets the microphone from switch mute on or off.
		* <p>
		* This method should only be used by InputManager to notify
		* Audio Subsystem about Microphone Mute switch state.
		*
		* @param on set <var>true</var> to mute the microphone;
		* <var>false</var> to turn mute off
		*/
		@UnsupportedAppUsage
		public void setMicrophoneMuteFromSwitch(boolean on) {
		final IAudioService service = getService();
		try {
		service.setMicrophoneMuteFromSwitch(on);
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		}

		/**
		* Checks whether the microphone mute is on or off.
		*
		* @return true if microphone is muted, false if it's not
		*/
		public boolean isMicrophoneMute() {
		return AudioSystem.isMicrophoneMuted();
		final IAudioService service = getService();
		try {
		return service.isMicrophoneMuted();
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		}

		/**

media/java/android/media/IAudioService.aidl

+4 −0

Original line number	Diff line number	Diff line
		@@ -106,8 +106,12 @@ interface IAudioService {

		List<AudioProductStrategy> getAudioProductStrategies();

		boolean isMicrophoneMuted();

		void setMicrophoneMute(boolean on, String callingPackage, int userId);

		oneway void setMicrophoneMuteFromSwitch(boolean on);

		void setRingerModeExternal(int ringerMode, String caller);

		void setRingerModeInternal(int ringerMode, String caller);

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

+42 −7

Original line number	Diff line number	Diff line
		@@ -59,6 +59,7 @@ import android.hardware.hdmi.HdmiAudioSystemClient;
		import android.hardware.hdmi.HdmiControlManager;
		import android.hardware.hdmi.HdmiPlaybackClient;
		import android.hardware.hdmi.HdmiTvClient;
		import android.hardware.input.InputManager;
		import android.hardware.usb.UsbManager;
		import android.media.AudioAttributes;
		import android.media.AudioFocusInfo;
		@@ -545,6 +546,10 @@ public class AudioService extends IAudioService.Stub
		private String mEnabledSurroundFormats;
		private boolean mSurroundModeChanged;

		private boolean mMicMuteFromSwitch;
		private boolean mMicMuteFromApi;
		private boolean mMicMuteFromRestrictions;

		@GuardedBy("mSettingsLock")
		private int mAssistantUid;

		@@ -882,6 +887,8 @@ public class AudioService extends IAudioService.Stub
		mRoleObserver.register();

		onIndicateSystemReady();

		setMicMuteFromSwitchInput();
		}

		RoleObserver mRoleObserver;
		@@ -1021,6 +1028,8 @@ public class AudioService extends IAudioService.Stub

		sendMsg(mAudioHandler, MSG_DISPATCH_AUDIO_SERVER_STATE,
		SENDMSG_QUEUE, 1, 0, null, 0);

		setMicMuteFromSwitchInput();
		}

		private void onDispatchAudioServerStateChange(boolean state) {
		@@ -2837,20 +2846,45 @@ public class AudioService extends IAudioService.Stub
		!= PackageManager.PERMISSION_GRANTED) {
		return;
		}
		setMicrophoneMuteNoCallerCheck(on, userId);
		mMicMuteFromApi = on;
		setMicrophoneMuteNoCallerCheck(userId);
		}

		/** @see AudioManager#setMicrophoneMuteFromSwitch(boolean) */
		public void setMicrophoneMuteFromSwitch(boolean on) {
		int userId = Binder.getCallingUid();
		if (userId != android.os.Process.SYSTEM_UID) {
		Log.e(TAG, "setMicrophoneMuteFromSwitch() called from non system user!");
		return;
		}
		mMicMuteFromSwitch = on;
		setMicrophoneMuteNoCallerCheck(userId);
		}

		private void setMicMuteFromSwitchInput() {
		InputManager im = mContext.getSystemService(InputManager.class);
		final int isMicMuted = im.isMicMuted();
		if (isMicMuted != InputManager.SWITCH_STATE_UNKNOWN) {
		setMicrophoneMuteFromSwitch(im.isMicMuted() != InputManager.SWITCH_STATE_OFF);
		}
		}

		public boolean isMicrophoneMuted() {
		return mMicMuteFromSwitch \|\| mMicMuteFromRestrictions \|\| mMicMuteFromApi;
		}

		private void setMicrophoneMuteNoCallerCheck(boolean on, int userId) {
		private void setMicrophoneMuteNoCallerCheck(int userId) {
		final boolean muted = isMicrophoneMuted();
		if (DEBUG_VOL) {
		Log.d(TAG, String.format("Mic mute %s, user=%d", on, userId));
		Log.d(TAG, String.format("Mic mute %d, user=%d", muted, userId));
		}
		// only mute for the current user
		if (getCurrentUserId() == userId) {
		if (getCurrentUserId() == userId \|\| userId == android.os.Process.SYSTEM_UID) {
		final boolean currentMute = AudioSystem.isMicrophoneMuted();
		final long identity = Binder.clearCallingIdentity();
		AudioSystem.muteMicrophone(on);
		AudioSystem.muteMicrophone(muted);
		Binder.restoreCallingIdentity(identity);
		if (on != currentMute) {
		if (muted != currentMute) {
		mContext.sendBroadcastAsUser(
		new Intent(AudioManager.ACTION_MICROPHONE_MUTE_CHANGED)
		.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY), UserHandle.ALL);
		@@ -5378,7 +5412,8 @@ public class AudioService extends IAudioService.Stub
		final boolean isRestricted =
		newRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_MICROPHONE);
		if (wasRestricted != isRestricted) {
		setMicrophoneMuteNoCallerCheck(isRestricted, userId);
		mMicMuteFromRestrictions = isRestricted;
		setMicrophoneMuteNoCallerCheck(userId);
		}
		}