Merge "Audio event logging" into oc-mr1-dev (87dfc5bb) · Commits · e / os / android_frameworks_base

media/java/android/media/AudioSystem.java

+53 −0

Original line number	Diff line number	Diff line
		@@ -113,6 +113,17 @@ public class AudioSystem
		public static final int MODE_IN_COMMUNICATION = 3;
		public static final int NUM_MODES = 4;

		public static String modeToString(int mode) {
		switch (mode) {
		case MODE_CURRENT: return "MODE_CURRENT";
		case MODE_IN_CALL: return "MODE_IN_CALL";
		case MODE_IN_COMMUNICATION: return "MODE_IN_COMMUNICATION";
		case MODE_INVALID: return "MODE_INVALID";
		case MODE_NORMAL: return "MODE_NORMAL";
		case MODE_RINGTONE: return "MODE_RINGTONE";
		default: return "unknown mode (" + mode + ")";
		}
		}

		/* Routing bits for the former setRouting/getRouting API */
		/** @deprecated */
		@@ -498,6 +509,14 @@ public class AudioSystem
		public static final int DEVICE_STATE_AVAILABLE = 1;
		private static final int NUM_DEVICE_STATES = 1;

		public static String deviceStateToString(int state) {
		switch (state) {
		case DEVICE_STATE_UNAVAILABLE: return "DEVICE_STATE_UNAVAILABLE";
		case DEVICE_STATE_AVAILABLE: return "DEVICE_STATE_AVAILABLE";
		default: return "unknown state (" + state + ")";
		}
		}

		public static final String DEVICE_OUT_EARPIECE_NAME = "earpiece";
		public static final String DEVICE_OUT_SPEAKER_NAME = "speaker";
		public static final String DEVICE_OUT_WIRED_HEADSET_NAME = "headset";
		@@ -693,6 +712,27 @@ public class AudioSystem
		public static final int NUM_FORCE_CONFIG = 15;
		public static final int FORCE_DEFAULT = FORCE_NONE;

		public static String forceUseConfigToString(int config) {
		switch (config) {
		case FORCE_NONE: return "FORCE_NONE";
		case FORCE_SPEAKER: return "FORCE_SPEAKER";
		case FORCE_HEADPHONES: return "FORCE_HEADPHONES";
		case FORCE_BT_SCO: return "FORCE_BT_SCO";
		case FORCE_BT_A2DP: return "FORCE_BT_A2DP";
		case FORCE_WIRED_ACCESSORY: return "FORCE_WIRED_ACCESSORY";
		case FORCE_BT_CAR_DOCK: return "FORCE_BT_CAR_DOCK";
		case FORCE_BT_DESK_DOCK: return "FORCE_BT_DESK_DOCK";
		case FORCE_ANALOG_DOCK: return "FORCE_ANALOG_DOCK";
		case FORCE_DIGITAL_DOCK: return "FORCE_DIGITAL_DOCK";
		case FORCE_NO_BT_A2DP: return "FORCE_NO_BT_A2DP";
		case FORCE_SYSTEM_ENFORCED: return "FORCE_SYSTEM_ENFORCED";
		case FORCE_HDMI_SYSTEM_AUDIO_ENFORCED: return "FORCE_HDMI_SYSTEM_AUDIO_ENFORCED";
		case FORCE_ENCODED_SURROUND_NEVER: return "FORCE_ENCODED_SURROUND_NEVER";
		case FORCE_ENCODED_SURROUND_ALWAYS: return "FORCE_ENCODED_SURROUND_ALWAYS";
		default: return "unknown config (" + config + ")" ;
		}
		}

		// usage for setForceUse, must match audio_policy_force_use_t
		public static final int FOR_COMMUNICATION = 0;
		public static final int FOR_MEDIA = 1;
		@@ -703,6 +743,19 @@ public class AudioSystem
		public static final int FOR_ENCODED_SURROUND = 6;
		private static final int NUM_FORCE_USE = 7;

		public static String forceUseUsageToString(int usage) {
		switch (usage) {
		case FOR_COMMUNICATION: return "FOR_COMMUNICATION";
		case FOR_MEDIA: return "FOR_MEDIA";
		case FOR_RECORD: return "FOR_RECORD";
		case FOR_DOCK: return "FOR_DOCK";
		case FOR_SYSTEM: return "FOR_SYSTEM";
		case FOR_HDMI_SYSTEM_AUDIO: return "FOR_HDMI_SYSTEM_AUDIO";
		case FOR_ENCODED_SURROUND: return "FOR_ENCODED_SURROUND";
		default: return "unknown usage (" + usage + ")" ;
		}
		}

		// usage for AudioRecord.startRecordingSync(), must match AudioSystem::sync_event_t
		public static final int SYNC_EVENT_NONE = 0;
		public static final int SYNC_EVENT_PRESENTATION_COMPLETE = 1;

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

0 → 100644

+97 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2017 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 com.android.server.audio;

		import java.io.PrintWriter;
		import java.text.SimpleDateFormat;
		import java.util.Date;
		import java.util.LinkedList;

		public class AudioEventLogger {

		// ring buffer of events to log.
		private final LinkedList<Event> mEvents;

		private final String mTitle;

		// the maximum number of events to keep in log
		private final int mMemSize;

		public static abstract class Event {
		// formatter for timestamps
		private final static SimpleDateFormat sFormat = new SimpleDateFormat("MM-dd HH:mm:ss:SSS");

		private final long mTimestamp;

		Event() {
		mTimestamp = System.currentTimeMillis();
		}

		public String toString() {
		return (new StringBuilder(sFormat.format(new Date(mTimestamp))))
		.append(" ").append(eventToString()).toString();
		}

		/**
		* Convert event to String.
		* This method is only called when the logger history is about to the dumped,
		* so this method is where expensive String conversions should be made, not when the Event
		* subclass is created.
		* Timestamp information will be automatically added, do not include it.
		* @return a string representation of the event that occurred.
		*/
		abstract public String eventToString();
		}

		public static class StringEvent extends Event {
		private final String mMsg;

		public StringEvent(String msg) {
		mMsg = msg;
		}

		@Override
		public String eventToString() {
		return mMsg;
		}
		}

		/**
		* Constructor for logger.
		* @param size the maximum number of events to keep in log
		* @param title the string displayed before the recorded log
		*/
		public AudioEventLogger(int size, String title) {
		mEvents = new LinkedList<Event>();
		mMemSize = size;
		mTitle = title;
		}

		public synchronized void log(Event evt) {
		if (mEvents.size() >= mMemSize) {
		mEvents.removeFirst();
		}
		mEvents.add(evt);
		}

		public synchronized void dump(PrintWriter pw) {
		pw.println("Audio event log: " + mTitle);
		for (Event evt : mEvents) {
		pw.println(evt.toString());
		}
		}
		}

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

+162 −42

File changed.

Preview size limit exceeded, changes collapsed.

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

+76 −0

Original line number	Diff line number	Diff line
		@@ -104,6 +104,9 @@ public final class PlaybackActivityMonitor
		final int index = mBannedUids.indexOf(new Integer(uid));
		if (index >= 0) {
		if (!disable) {
		if (DEBUG) { // hidden behind DEBUG, too noisy otherwise
		mEventLogger.log(new AudioEventLogger.StringEvent("unbanning uid:" + uid));
		}
		mBannedUids.remove(index);
		// nothing else to do, future playback requests from this uid are ok
		} // no else to handle, uid already present, so disabling again is no-op
		@@ -112,6 +115,9 @@ public final class PlaybackActivityMonitor
		for (AudioPlaybackConfiguration apc : mPlayers.values()) {
		checkBanPlayer(apc, uid);
		}
		if (DEBUG) { // hidden behind DEBUG, too noisy otherwise
		mEventLogger.log(new AudioEventLogger.StringEvent("banning uid:" + uid));
		}
		mBannedUids.add(new Integer(uid));
		} // no else to handle, uid already not in list, so enabling again is no-op
		}
		@@ -145,6 +151,7 @@ public final class PlaybackActivityMonitor
		new AudioPlaybackConfiguration(pic, newPiid,
		Binder.getCallingUid(), Binder.getCallingPid());
		apc.init();
		mEventLogger.log(new NewPlayerEvent(apc));
		synchronized(mPlayerLock) {
		mPlayers.put(newPiid, apc);
		}
		@@ -156,6 +163,7 @@ public final class PlaybackActivityMonitor
		synchronized(mPlayerLock) {
		final AudioPlaybackConfiguration apc = mPlayers.get(new Integer(piid));
		if (checkConfigurationCaller(piid, apc, binderUid)) {
		mEventLogger.log(new AudioAttrEvent(piid, attr));
		change = apc.handleAudioAttributesEvent(attr);
		} else {
		Log.e(TAG, "Error updating audio attributes");
		@@ -175,10 +183,13 @@ public final class PlaybackActivityMonitor
		if (apc == null) {
		return;
		}
		mEventLogger.log(new PlayerEvent(piid, event));
		if (event == AudioPlaybackConfiguration.PLAYER_STATE_STARTED) {
		for (Integer uidInteger: mBannedUids) {
		if (checkBanPlayer(apc, uidInteger.intValue())) {
		// player was banned, do not update its state
		mEventLogger.log(new AudioEventLogger.StringEvent(
		"not starting piid:" + piid + " ,is banned"));
		return;
		}
		}
		@@ -208,6 +219,8 @@ public final class PlaybackActivityMonitor
		synchronized(mPlayerLock) {
		final AudioPlaybackConfiguration apc = mPlayers.get(new Integer(piid));
		if (checkConfigurationCaller(piid, apc, binderUid)) {
		mEventLogger.log(new AudioEventLogger.StringEvent(
		"releasing player piid:" + piid));
		mPlayers.remove(new Integer(piid));
		mDuckingManager.removeReleased(apc);
		}
		@@ -250,6 +263,8 @@ public final class PlaybackActivityMonitor
		pw.print(" " + uid);
		}
		pw.println();
		// log
		mEventLogger.dump(pw);
		}
		}

		@@ -672,4 +687,65 @@ public final class PlaybackActivityMonitor
		}
		}
		}

		//=================================================================
		// For logging
		private final static class PlayerEvent extends AudioEventLogger.Event {
		// only keeping the player interface ID as it uniquely identifies the player in the event
		final int mPlayerIId;
		final int mState;

		PlayerEvent(int piid, int state) {
		mPlayerIId = piid;
		mState = state;
		}

		@Override
		public String eventToString() {
		return new String("player piid:" + mPlayerIId + " state:"
		+ AudioPlaybackConfiguration.toLogFriendlyPlayerState(mState));
		}
		}

		private final static class NewPlayerEvent extends AudioEventLogger.Event {
		private final int mPlayerIId;
		private final int mPlayerType;
		private final int mClientUid;
		private final int mClientPid;
		private final AudioAttributes mPlayerAttr;

		NewPlayerEvent(AudioPlaybackConfiguration apc) {
		mPlayerIId = apc.getPlayerInterfaceId();
		mPlayerType = apc.getPlayerType();
		mClientUid = apc.getClientUid();
		mClientPid = apc.getClientPid();
		mPlayerAttr = apc.getAudioAttributes();
		}

		@Override
		public String eventToString() {
		return new String("new player piid:" + mPlayerIId + " uid/pid:" + mClientUid + "/"
		+ mClientPid + " type:"
		+ AudioPlaybackConfiguration.toLogFriendlyPlayerType(mPlayerType)
		+ " attr:" + mPlayerAttr);
		}
		}

		private final static class AudioAttrEvent extends AudioEventLogger.Event {
		private final int mPlayerIId;
		private final AudioAttributes mPlayerAttr;

		AudioAttrEvent(int piid, AudioAttributes attr) {
		mPlayerIId = piid;
		mPlayerAttr = attr;
		}

		@Override
		public String eventToString() {
		return new String("player piid:" + mPlayerIId + " new AudioAttributes:" + mPlayerAttr);
		}
		}

		private final AudioEventLogger mEventLogger = new AudioEventLogger(100,
		"playback activity as reported through PlayerBase");
		}