Add a way for SystemUI to receive media resource (e.g. A/V codec) usage
Bug: 26175834
Change-Id: If506a533c5c7b567e770217a9430bf68b539677a
diff --git a/Android.mk b/Android.mk
index c1c74ea..aad5129 100644
--- a/Android.mk
+++ b/Android.mk
@@ -341,6 +341,7 @@
media/java/android/media/IAudioRoutesObserver.aidl \
media/java/android/media/IMediaHTTPConnection.aidl \
media/java/android/media/IMediaHTTPService.aidl \
+ media/java/android/media/IMediaResourceMonitor.aidl \
media/java/android/media/IMediaRouterClient.aidl \
media/java/android/media/IMediaRouterService.aidl \
media/java/android/media/IMediaScannerListener.aidl \
diff --git a/core/java/android/content/Intent.java b/core/java/android/content/Intent.java
index 35cd2be..519e5a0 100644
--- a/core/java/android/content/Intent.java
+++ b/core/java/android/content/Intent.java
@@ -3034,6 +3034,24 @@
public static final String ACTION_GLOBAL_BUTTON = "android.intent.action.GLOBAL_BUTTON";
/**
+ * Broadcast Action: Sent when media resource is granted.
+ * <p>
+ * {@link #EXTRA_PACKAGES} specifies the packages on the process holding the media resource
+ * granted.
+ * </p>
+ * <p class="note">
+ * This is a protected intent that can only be sent by the system.
+ * </p>
+ * <p class="note">
+ * This requires the RECEIVE_MEDIA_RESOURCE_USAGE permission.
+ * </p>
+ *
+ * @hide
+ */
+ public static final String ACTION_MEDIA_RESOURCE_GRANTED =
+ "android.intent.action.MEDIA_RESOURCE_GRANTED";
+
+ /**
* Activity Action: Allow the user to select and return one or more existing
* documents. When invoked, the system will display the various
* {@link DocumentsProvider} instances installed on the device, letting the
@@ -4077,6 +4095,34 @@
* Optional boolean extra indicating whether quiet mode has been switched on or off.
*/
public static final String EXTRA_QUIET_MODE = "android.intent.extra.QUIET_MODE";
+
+ /**
+ * Used as an int extra field in {@link android.content.Intent#ACTION_MEDIA_RESOURCE_GRANTED}
+ * intents to specify the resource type granted. Possible values are
+ * {@link android.content.Intent#EXTRA_MEDIA_RESOURCE_TYPE_VIDEO_CODEC} or
+ * {@link android.content.Intent#EXTRA_MEDIA_RESOURCE_TYPE_AUDIO_CODEC}.
+ *
+ * @hide
+ */
+ public static final String EXTRA_MEDIA_RESOURCE_TYPE =
+ "android.intent.extra.MEDIA_RESOURCE_TYPE";
+
+ /**
+ * Used as an int value for {@link android.content.Intent#EXTRA_MEDIA_RESOURCE_TYPE}
+ * to represent that a video codec is allowed to use.
+ *
+ * @hide
+ */
+ public static final int EXTRA_MEDIA_RESOURCE_TYPE_VIDEO_CODEC = 0;
+
+ /**
+ * Used as an int value for {@link android.content.Intent#EXTRA_MEDIA_RESOURCE_TYPE}
+ * to represent that a audio codec is allowed to use.
+ *
+ * @hide
+ */
+ public static final int EXTRA_MEDIA_RESOURCE_TYPE_AUDIO_CODEC = 1;
+
// ---------------------------------------------------------------------
// ---------------------------------------------------------------------
// Intent flags (see mFlags variable).
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index e8054fc..71aa6ad 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -384,6 +384,7 @@
<protected-broadcast android:name="com.android.server.device_idle.STEP_LIGHT_IDLE_STATE" />
<protected-broadcast android:name="com.android.server.Wifi.action.TOGGLE_PNO" />
<protected-broadcast android:name="intent.action.ACTION_RF_BAND_INFO" />
+ <protected-broadcast android:name="android.intent.action.MEDIA_RESOURCE_GRANTED" />
<protected-broadcast android:name="android.app.action.INTERRUPTION_FILTER_CHANGED" />
<protected-broadcast android:name="android.app.action.INTERRUPTION_FILTER_CHANGED_INTERNAL" />
@@ -2821,6 +2822,12 @@
<permission android:name="android.permission.ACCESS_EPHEMERAL_APPS"
android:protectionLevel="signature" />
+ <!-- Allows receiving the usage of media resource e.g. video/audio codec and
+ graphic memory.
+ @hide -->
+ <permission android:name="android.permission.RECEIVE_MEDIA_RESOURCE_USAGE"
+ android:protectionLevel="signature|privileged" />
+
<application android:process="system"
android:persistent="true"
android:hasCode="false"
diff --git a/media/java/android/media/IMediaResourceMonitor.aidl b/media/java/android/media/IMediaResourceMonitor.aidl
new file mode 100644
index 0000000..7b4bc39
--- /dev/null
+++ b/media/java/android/media/IMediaResourceMonitor.aidl
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2016 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;
+
+/** {@hide} */
+interface IMediaResourceMonitor
+{
+ oneway void notifyResourceGranted(in int pid, String type, String subType, long value);
+}
+
diff --git a/services/core/java/com/android/server/media/MediaResourceMonitorService.java b/services/core/java/com/android/server/media/MediaResourceMonitorService.java
new file mode 100644
index 0000000..2305d11
--- /dev/null
+++ b/services/core/java/com/android/server/media/MediaResourceMonitorService.java
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2016 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.media;
+
+import android.app.ActivityManager;
+import android.app.ActivityManagerNative;
+import android.content.Context;
+import android.content.Intent;
+import android.media.IMediaResourceMonitor;
+import android.os.Binder;
+import android.os.RemoteException;
+import android.os.UserHandle;
+import android.util.Log;
+import android.util.Slog;
+import com.android.server.SystemService;
+
+import java.util.List;
+
+/** This class provides a system service that monitors media resource usage. */
+public class MediaResourceMonitorService extends SystemService {
+ private static final String TAG = "MediaResourceMonitorService";
+ private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
+
+ private static final String SERVICE_NAME = "media_resource_monitor";
+
+ /*
+ * Resource types. Should be in sync with:
+ * frameworks/av/media/libmedia/MediaResource.cpp
+ */
+ private static final String RESOURCE_AUDIO_CODEC = "audio-codec";
+ private static final String RESOURCE_VIDEO_CODEC = "video-codec";
+
+ private final MediaResourceMonitorImpl mMediaResourceMonitorImpl;
+
+ public MediaResourceMonitorService(Context context) {
+ super(context);
+ mMediaResourceMonitorImpl = new MediaResourceMonitorImpl();
+ }
+
+ @Override
+ public void onStart() {
+ publishBinderService(SERVICE_NAME, mMediaResourceMonitorImpl);
+ }
+
+ class MediaResourceMonitorImpl extends IMediaResourceMonitor.Stub {
+ @Override
+ public void notifyResourceGranted(int pid, String type, String subType, long value)
+ throws RemoteException {
+ if (DEBUG) {
+ Slog.d(TAG, "notifyResourceGranted(pid=" + pid + ", type=" + type + ", subType="
+ + subType + ", value=" + value + ")");
+ }
+ final long identity = Binder.clearCallingIdentity();
+ try {
+ String pkgNames[] = getPackageNamesFromPid(pid);
+ Integer resourceType = null;
+ if (RESOURCE_AUDIO_CODEC.equals(subType)) {
+ resourceType = Intent.EXTRA_MEDIA_RESOURCE_TYPE_AUDIO_CODEC;
+ } else if (RESOURCE_VIDEO_CODEC.equals(subType)) {
+ resourceType = Intent.EXTRA_MEDIA_RESOURCE_TYPE_VIDEO_CODEC;
+ }
+ if (pkgNames != null && resourceType != null) {
+ Intent intent = new Intent(Intent.ACTION_MEDIA_RESOURCE_GRANTED);
+ intent.putExtra(Intent.EXTRA_PACKAGES, pkgNames);
+ intent.putExtra(Intent.EXTRA_MEDIA_RESOURCE_TYPE, resourceType);
+ getContext().sendBroadcastAsUser(intent,
+ new UserHandle(ActivityManager.getCurrentUser()),
+ android.Manifest.permission.RECEIVE_MEDIA_RESOURCE_USAGE);
+ }
+ } finally {
+ Binder.restoreCallingIdentity(identity);
+ }
+ }
+
+ private String[] getPackageNamesFromPid(int pid) {
+ try {
+ for (ActivityManager.RunningAppProcessInfo proc :
+ ActivityManagerNative.getDefault().getRunningAppProcesses()) {
+ if (proc.pid == pid) {
+ return proc.pkgList;
+ }
+ }
+ } catch (RemoteException e) {
+ Slog.w(TAG, "ActivityManager.getRunningAppProcesses() failed");
+ }
+ return null;
+ }
+ }
+}
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index dd6493c..b3739cb 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -68,6 +68,7 @@
import com.android.server.lights.LightsService;
import com.android.server.media.MediaRouterService;
import com.android.server.media.MediaSessionService;
+import com.android.server.media.MediaResourceMonitorService;
import com.android.server.media.projection.MediaProjectionManagerService;
import com.android.server.net.NetworkPolicyManagerService;
import com.android.server.net.NetworkStatsService;
@@ -1025,6 +1026,10 @@
mSystemServiceManager.startService(TvInputManagerService.class);
}
+ if (mPackageManager.hasSystemFeature(PackageManager.FEATURE_PICTURE_IN_PICTURE)) {
+ mSystemServiceManager.startService(MediaResourceMonitorService.class);
+ }
+
if (!disableNonCoreServices) {
traceBeginAndSlog("StartMediaRouterService");
try {