Merge "AudioDeviceVolumeManager: Add APIs for listeners for device volume... (f9283488) · Commits · e / os / android_frameworks_base

media/java/android/media/AudioDeviceVolumeManager.java

+74 −0

Original line number	Diff line number	Diff line
		@@ -181,6 +181,80 @@ public class AudioDeviceVolumeManager {
		}
		}

		/**
		* Manages the OnDeviceVolumeBehaviorChangedListener listeners and
		* DeviceVolumeBehaviorDispatcherStub
		*/
		private final CallbackUtil.LazyListenerManager<OnDeviceVolumeBehaviorChangedListener>
		mDeviceVolumeBehaviorChangedListenerMgr = new CallbackUtil.LazyListenerManager();

		/**
		* @hide
		* Interface definition of a callback to be invoked when the volume behavior of an audio device
		* is updated.
		*/
		public interface OnDeviceVolumeBehaviorChangedListener {
		/**
		* Called on the listener to indicate that the volume behavior of a device has changed.
		* @param device the audio device whose volume behavior changed
		* @param volumeBehavior the new volume behavior of the audio device
		*/
		void onDeviceVolumeBehaviorChanged(
		@NonNull AudioDeviceAttributes device,
		@AudioManager.DeviceVolumeBehavior int volumeBehavior);
		}

		/**
		* @hide
		* Adds a listener for being notified of changes to any device's volume behavior.
		* @throws SecurityException if the caller doesn't hold the required permission
		*/
		@RequiresPermission(anyOf = {
		android.Manifest.permission.MODIFY_AUDIO_ROUTING,
		android.Manifest.permission.QUERY_AUDIO_STATE
		})
		public void addOnDeviceVolumeBehaviorChangedListener(
		@NonNull @CallbackExecutor Executor executor,
		@NonNull OnDeviceVolumeBehaviorChangedListener listener)
		throws SecurityException {
		mDeviceVolumeBehaviorChangedListenerMgr.addListener(executor, listener,
		"addOnDeviceVolumeBehaviorChangedListener",
		() -> new DeviceVolumeBehaviorDispatcherStub());
		}

		/**
		* @hide
		* Removes a previously added listener of changes to device volume behavior.
		*/

		@RequiresPermission(anyOf = {
		android.Manifest.permission.MODIFY_AUDIO_ROUTING,
		android.Manifest.permission.QUERY_AUDIO_STATE
		})
		public void removeOnDeviceVolumeBehaviorChangedListener(
		@NonNull OnDeviceVolumeBehaviorChangedListener listener) {
		mDeviceVolumeBehaviorChangedListenerMgr.removeListener(listener,
		"removeOnDeviceVolumeBehaviorChangedListener");
		}

		private final class DeviceVolumeBehaviorDispatcherStub
		extends IDeviceVolumeBehaviorDispatcher.Stub implements CallbackUtil.DispatcherStub {
		public void register(boolean register) {
		try {
		getService().registerDeviceVolumeBehaviorDispatcher(register, this);
		} catch (RemoteException e) {
		e.rethrowFromSystemServer();
		}
		}

		@Override
		public void dispatchDeviceVolumeBehaviorChanged(@NonNull AudioDeviceAttributes device,
		@AudioManager.DeviceVolumeBehavior int volumeBehavior) {
		mDeviceVolumeBehaviorChangedListenerMgr.callListeners((listener) ->
		listener.onDeviceVolumeBehaviorChanged(device, volumeBehavior));
		}
		}

		private static IAudioService getService() {
		if (sService != null) {
		return sService;

media/java/android/media/IAudioService.aidl

+5 −1

Original line number	Diff line number	Diff line
		@@ -33,6 +33,7 @@ import android.media.IAudioRoutesObserver;
		import android.media.IAudioServerStateDispatcher;
		import android.media.ICapturePresetDevicesRoleDispatcher;
		import android.media.ICommunicationDeviceDispatcher;
		import android.media.IDeviceVolumeBehaviorDispatcher;
		import android.media.IMuteAwaitConnectionCallback;
		import android.media.IPlaybackConfigDispatcher;
		import android.media.IRecordingConfigDispatcher;
		@@ -44,7 +45,6 @@ import android.media.ISpatializerHeadTrackingModeCallback;
		import android.media.ISpatializerHeadToSoundStagePoseCallback;
		import android.media.ISpatializerOutputCallback;
		import android.media.IVolumeController;
		import android.media.IVolumeController;
		import android.media.PlayerBase;
		import android.media.VolumeInfo;
		import android.media.VolumePolicy;
		@@ -482,6 +482,10 @@ interface IAudioService {

		void setTestDeviceConnectionState(in AudioDeviceAttributes device, boolean connected);

		@JavaPassthrough(annotation="@android.annotation.RequiresPermission(anyOf={android.Manifest.permission.MODIFY_AUDIO_ROUTING,android.Manifest.permission.QUERY_AUDIO_STATE})")
		void registerDeviceVolumeBehaviorDispatcher(boolean register,
		in IDeviceVolumeBehaviorDispatcher dispatcher);

		List<AudioFocusInfo> getFocusStack();

		boolean sendFocusLoss(in AudioFocusInfo focusLoser, in IAudioPolicyCallback apcb);

media/java/android/media/IDeviceVolumeBehaviorDispatcher.aidl

0 → 100644

+31 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2021 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.media;

		import android.media.AudioDeviceAttributes;

		/**
		* AIDL for AudioService to signal changes to an audio device's volume behavior
		*
		* {@hide}
		*/
		oneway interface IDeviceVolumeBehaviorDispatcher {

		void dispatchDeviceVolumeBehaviorChanged(in AudioDeviceAttributes device,
		int deviceVolumeBehavior);

		}

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

+98 −28

Original line number	Diff line number	Diff line
		@@ -96,6 +96,7 @@ import android.media.IAudioServerStateDispatcher;
		import android.media.IAudioService;
		import android.media.ICapturePresetDevicesRoleDispatcher;
		import android.media.ICommunicationDeviceDispatcher;
		import android.media.IDeviceVolumeBehaviorDispatcher;
		import android.media.IMuteAwaitConnectionCallback;
		import android.media.IPlaybackConfigDispatcher;
		import android.media.IRecordingConfigDispatcher;
		@@ -341,6 +342,7 @@ public class AudioService extends IAudioService.Stub
		private static final int MSG_ADD_ASSISTANT_SERVICE_UID = 44;
		private static final int MSG_REMOVE_ASSISTANT_SERVICE_UID = 45;
		private static final int MSG_UPDATE_ACTIVE_ASSISTANT_SERVICE_UID = 46;
		private static final int MSG_DISPATCH_DEVICE_VOLUME_BEHAVIOR = 47;

		// start of messages handled under wakelock
		// these messages can only be queued, i.e. sent with queueMsgUnderWakeLock(),
		@@ -876,13 +878,23 @@ public class AudioService extends IAudioService.Stub

		/** @hide */
		public AudioService(Context context) {
		this(context, AudioSystemAdapter.getDefaultAdapter(),
		this(context,
		AudioSystemAdapter.getDefaultAdapter(),
		SystemServerAdapter.getDefaultAdapter(context),
		SettingsAdapter.getDefaultAdapter());
		SettingsAdapter.getDefaultAdapter(),
		null);
		}

		/**
		* @param context
		* @param audioSystem Adapter for {@link AudioSystem}
		* @param systemServer Adapter for privilieged functionality for system server components
		* @param settings Adapter for {@link Settings}
		* @param looper Looper to use for the service's message handler. If this is null, an
		* {@link AudioSystemThread} is created as the messaging thread instead.
		*/
		public AudioService(Context context, AudioSystemAdapter audioSystem,
		SystemServerAdapter systemServer, SettingsAdapter settings) {
		SystemServerAdapter systemServer, SettingsAdapter settings, @Nullable Looper looper) {
		sLifecycleLogger.log(new AudioEventLogger.StringEvent("AudioService()"));
		mContext = context;
		mContentResolver = context.getContentResolver();
		@@ -1010,7 +1022,11 @@ public class AudioService extends IAudioService.Stub
		MAX_STREAM_VOLUME[AudioSystem.STREAM_SYSTEM];
		}

		if (looper == null) {
		createAudioSystemThread();
		} else {
		mAudioHandler = new AudioHandler(looper);
		}

		AudioSystem.setErrorCallback(mAudioSystemCallback);

		@@ -6457,34 +6473,41 @@ public class AudioService extends IAudioService.Stub
		return;
		}

		int audioSystemDeviceOut = AudioDeviceInfo.convertDeviceTypeToInternalDevice(
		device.getType());
		setDeviceVolumeBehaviorInternal(audioSystemDeviceOut, deviceVolumeBehavior, pkgName);

		persistDeviceVolumeBehavior(audioSystemDeviceOut, deviceVolumeBehavior);
		setDeviceVolumeBehaviorInternal(device, deviceVolumeBehavior, pkgName);
		persistDeviceVolumeBehavior(device.getInternalType(), deviceVolumeBehavior);
		}

		private void setDeviceVolumeBehaviorInternal(int audioSystemDeviceOut,
		private void setDeviceVolumeBehaviorInternal(@NonNull AudioDeviceAttributes device,
		@AudioManager.DeviceVolumeBehavior int deviceVolumeBehavior, @NonNull String caller) {
		int audioSystemDeviceOut = device.getInternalType();
		boolean volumeBehaviorChanged = false;
		// update device masks based on volume behavior
		switch (deviceVolumeBehavior) {
		case AudioManager.DEVICE_VOLUME_BEHAVIOR_VARIABLE:
		removeAudioSystemDeviceOutFromFullVolumeDevices(audioSystemDeviceOut);
		removeAudioSystemDeviceOutFromFixedVolumeDevices(audioSystemDeviceOut);
		volumeBehaviorChanged \|=
		removeAudioSystemDeviceOutFromFullVolumeDevices(audioSystemDeviceOut)
		\| removeAudioSystemDeviceOutFromFixedVolumeDevices(audioSystemDeviceOut);
		break;
		case AudioManager.DEVICE_VOLUME_BEHAVIOR_FIXED:
		removeAudioSystemDeviceOutFromFullVolumeDevices(audioSystemDeviceOut);
		addAudioSystemDeviceOutToFixedVolumeDevices(audioSystemDeviceOut);
		volumeBehaviorChanged \|=
		removeAudioSystemDeviceOutFromFullVolumeDevices(audioSystemDeviceOut)
		\| addAudioSystemDeviceOutToFixedVolumeDevices(audioSystemDeviceOut);
		break;
		case AudioManager.DEVICE_VOLUME_BEHAVIOR_FULL:
		addAudioSystemDeviceOutToFullVolumeDevices(audioSystemDeviceOut);
		removeAudioSystemDeviceOutFromFixedVolumeDevices(audioSystemDeviceOut);
		volumeBehaviorChanged \|=
		addAudioSystemDeviceOutToFullVolumeDevices(audioSystemDeviceOut)
		\| removeAudioSystemDeviceOutFromFixedVolumeDevices(audioSystemDeviceOut);
		break;
		case AudioManager.DEVICE_VOLUME_BEHAVIOR_ABSOLUTE:
		case AudioManager.DEVICE_VOLUME_BEHAVIOR_ABSOLUTE_MULTI_MODE:
		throw new IllegalArgumentException("Absolute volume unsupported for now");
		}

		if (volumeBehaviorChanged) {
		sendMsg(mAudioHandler, MSG_DISPATCH_DEVICE_VOLUME_BEHAVIOR, SENDMSG_QUEUE,
		deviceVolumeBehavior, 0, device, /delay/ 0);
		}

		// log event and caller
		sDeviceLogger.log(new AudioEventLogger.StringEvent(
		"Volume behavior " + deviceVolumeBehavior + " for dev=0x"
		@@ -7761,6 +7784,14 @@ public class AudioService extends IAudioService.Stub
		/** Handles internal volume messages in separate volume thread. */
		private class AudioHandler extends Handler {

		AudioHandler() {
		super();
		}

		AudioHandler(Looper looper) {
		super(looper);
		}

		private void setAllVolumes(VolumeStreamState streamState) {

		// Apply volume
		@@ -8063,6 +8094,10 @@ public class AudioService extends IAudioService.Stub
		case MSG_UPDATE_ACTIVE_ASSISTANT_SERVICE_UID:
		updateActiveAssistantServiceUids();
		break;

		case MSG_DISPATCH_DEVICE_VOLUME_BEHAVIOR:
		dispatchDeviceVolumeBehavior((AudioDeviceAttributes) msg.obj, msg.arg1);
		break;
		}
		}
		}
		@@ -9080,6 +9115,35 @@ public class AudioService extends IAudioService.Stub
		mMuteAwaitConnectionDispatchers.finishBroadcast();
		}

		final RemoteCallbackList<IDeviceVolumeBehaviorDispatcher> mDeviceVolumeBehaviorDispatchers =
		new RemoteCallbackList<IDeviceVolumeBehaviorDispatcher>();

		/**
		* @see AudioDeviceVolumeManager#addOnDeviceVolumeBehaviorChangedListener and
		* AudioDeviceVolumeManager#removeOnDeviceVolumeBehaviorChangedListener
		*/
		public void registerDeviceVolumeBehaviorDispatcher(boolean register,
		@NonNull IDeviceVolumeBehaviorDispatcher dispatcher) {
		enforceQueryStateOrModifyRoutingPermission();
		Objects.requireNonNull(dispatcher);
		if (register) {
		mDeviceVolumeBehaviorDispatchers.register(dispatcher);
		} else {
		mDeviceVolumeBehaviorDispatchers.unregister(dispatcher);
		}
		}

		private void dispatchDeviceVolumeBehavior(AudioDeviceAttributes device, int volumeBehavior) {
		final int dispatchers = mDeviceVolumeBehaviorDispatchers.beginBroadcast();
		for (int i = 0; i < dispatchers; i++) {
		try {
		mDeviceVolumeBehaviorDispatchers.getBroadcastItem(i)
		.dispatchDeviceVolumeBehaviorChanged(device, volumeBehavior);
		} catch (RemoteException e) {
		}
		}
		mDeviceVolumeBehaviorDispatchers.finishBroadcast();
		}

		//==========================================================================================
		// Device orientation
		@@ -9310,14 +9374,20 @@ public class AudioService extends IAudioService.Stub
		if (DEBUG_VOL) {
		Log.d(TAG, "CEC sink: setting HDMI as full vol device");
		}
		addAudioSystemDeviceOutToFullVolumeDevices(AudioSystem.DEVICE_OUT_HDMI);
		setDeviceVolumeBehaviorInternal(
		new AudioDeviceAttributes(AudioSystem.DEVICE_OUT_HDMI, ""),
		AudioManager.DEVICE_VOLUME_BEHAVIOR_FULL,
		"AudioService.updateHdmiCecSinkLocked()");
		} else {
		if (DEBUG_VOL) {
		Log.d(TAG, "TV, no CEC: setting HDMI as regular vol device");
		}
		// Android TV devices without CEC service apply software volume on
		// HDMI output
		removeAudioSystemDeviceOutFromFullVolumeDevices(AudioSystem.DEVICE_OUT_HDMI);
		setDeviceVolumeBehaviorInternal(
		new AudioDeviceAttributes(AudioSystem.DEVICE_OUT_HDMI, ""),
		AudioManager.DEVICE_VOLUME_BEHAVIOR_VARIABLE,
		"AudioService.updateHdmiCecSinkLocked()");
		}
		postUpdateVolumeStatesForAudioDevice(AudioSystem.DEVICE_OUT_HDMI,
		"HdmiPlaybackClient.DisplayStatusCallback");
		@@ -11463,8 +11533,8 @@ public class AudioService extends IAudioService.Stub
		continue;
		}

		setDeviceVolumeBehaviorInternal(deviceType, deviceVolumeBehavior,
		"AudioService.restoreDeviceVolumeBehavior()");
		setDeviceVolumeBehaviorInternal(new AudioDeviceAttributes(deviceType, ""),
		deviceVolumeBehavior, "AudioService.restoreDeviceVolumeBehavior()");
		}
		}

		@@ -11479,36 +11549,36 @@ public class AudioService extends IAudioService.Stub
		!= AudioManager.DEVICE_VOLUME_BEHAVIOR_UNSET;
		}

		private void addAudioSystemDeviceOutToFixedVolumeDevices(int audioSystemDeviceOut) {
		private boolean addAudioSystemDeviceOutToFixedVolumeDevices(int audioSystemDeviceOut) {
		if (DEBUG_VOL) {
		Log.d(TAG, "Adding DeviceType: 0x" + Integer.toHexString(audioSystemDeviceOut)
		+ " to mFixedVolumeDevices");
		}
		mFixedVolumeDevices.add(audioSystemDeviceOut);
		return mFixedVolumeDevices.add(audioSystemDeviceOut);
		}

		private void removeAudioSystemDeviceOutFromFixedVolumeDevices(int audioSystemDeviceOut) {
		private boolean removeAudioSystemDeviceOutFromFixedVolumeDevices(int audioSystemDeviceOut) {
		if (DEBUG_VOL) {
		Log.d(TAG, "Removing DeviceType: 0x" + Integer.toHexString(audioSystemDeviceOut)
		+ " from mFixedVolumeDevices");
		}
		mFixedVolumeDevices.remove(audioSystemDeviceOut);
		return mFixedVolumeDevices.remove(audioSystemDeviceOut);
		}

		private void addAudioSystemDeviceOutToFullVolumeDevices(int audioSystemDeviceOut) {
		private boolean addAudioSystemDeviceOutToFullVolumeDevices(int audioSystemDeviceOut) {
		if (DEBUG_VOL) {
		Log.d(TAG, "Adding DeviceType: 0x" + Integer.toHexString(audioSystemDeviceOut)
		+ " to mFullVolumeDevices");
		}
		mFullVolumeDevices.add(audioSystemDeviceOut);
		return mFullVolumeDevices.add(audioSystemDeviceOut);
		}

		private void removeAudioSystemDeviceOutFromFullVolumeDevices(int audioSystemDeviceOut) {
		private boolean removeAudioSystemDeviceOutFromFullVolumeDevices(int audioSystemDeviceOut) {
		if (DEBUG_VOL) {
		Log.d(TAG, "Removing DeviceType: 0x" + Integer.toHexString(audioSystemDeviceOut)
		+ " from mFullVolumeDevices");
		}
		mFullVolumeDevices.remove(audioSystemDeviceOut);
		return mFullVolumeDevices.remove(audioSystemDeviceOut);
		}

		//====================

services/tests/servicestests/src/com/android/server/audio/AudioServiceTest.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -62,7 +62,7 @@ public class AudioServiceTest {
		mSpySystemServer = spy(new NoOpSystemServerAdapter());
		mSettingsAdapter = new NoOpSettingsAdapter();
		mAudioService = new AudioService(mContext, mAudioSystem, mSpySystemServer,
		mSettingsAdapter);
		mSettingsAdapter, null);
		}

		/**