Add TranscodingSession and EditingSession to MediaMetricsManager

Adds TranscodingSession and EditingSession stubs, following pattern of
RecordingSession. Sets up for compat-level extensions.

Bug: 214594702
Test: atest CtsMediaHostTestCases
Change-Id: I96a5f36cd44b5029d8fb5498971d0beb0c49eec0

core/api/current.txt

@@ -24363,6 +24363,11 @@ package android.media.effect {
 
 package android.media.metrics {
 
+  public final class EditingSession implements java.lang.AutoCloseable {
+    method public void close();
+    method @NonNull public android.media.metrics.LogSessionId getSessionId();
+  }
+
   public abstract class Event {
     method @NonNull public android.os.Bundle getMetricsBundle();
     method @IntRange(from=0xffffffff) public long getTimeSinceCreatedMillis();
@@ -24374,8 +24379,10 @@ package android.media.metrics {
   }
 
   public final class MediaMetricsManager {
+    method @NonNull public android.media.metrics.EditingSession createEditingSession();
     method @NonNull public android.media.metrics.PlaybackSession createPlaybackSession();
     method @NonNull public android.media.metrics.RecordingSession createRecordingSession();
+    method @NonNull public android.media.metrics.TranscodingSession createTranscodingSession();
     field public static final long INVALID_TIMESTAMP = -1L; // 0xffffffffffffffffL
   }
 
@@ -24623,6 +24630,11 @@ package android.media.metrics {
     method @NonNull public android.media.metrics.TrackChangeEvent.Builder setWidth(@IntRange(from=0xffffffff, to=java.lang.Integer.MAX_VALUE) int);
   }
 
+  public final class TranscodingSession implements java.lang.AutoCloseable {
+    method public void close();
+    method @NonNull public android.media.metrics.LogSessionId getSessionId();
+  }
+
 }
 
 package android.media.midi {

media/java/android/media/metrics/EditingSession.java

@@ -0,0 +1,63 @@
+/*
+ * 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.metrics;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+
+import com.android.internal.util.AnnotationValidations;
+
+import java.util.Objects;
+
+/**
+ * An instances of this class represents a session of media editing.
+ */
+public final class EditingSession implements AutoCloseable {
+    private final @NonNull String mId;
+    private final @NonNull MediaMetricsManager mManager;
+    private final @NonNull LogSessionId mLogSessionId;
+
+    /** @hide */
+    public EditingSession(@NonNull String id, @NonNull MediaMetricsManager manager) {
+        mId = id;
+        mManager = manager;
+        AnnotationValidations.validate(NonNull.class, null, mId);
+        AnnotationValidations.validate(NonNull.class, null, mManager);
+        mLogSessionId = new LogSessionId(mId);
+    }
+
+    public @NonNull LogSessionId getSessionId() {
+        return mLogSessionId;
+    }
+
+    @Override
+    public boolean equals(@Nullable Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        EditingSession that = (EditingSession) o;
+        return Objects.equals(mId, that.mId);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(mId);
+    }
+
+    @Override
+    public void close() {
+    }
+}

media/java/android/media/metrics/IMediaMetricsManager.aidl

@@ -28,10 +28,14 @@ import android.media.metrics.TrackChangeEvent;
  */
 interface IMediaMetricsManager {
     void reportPlaybackMetrics(in String sessionId, in PlaybackMetrics metrics, int userId);
+
     String getPlaybackSessionId(int userId);
     String getRecordingSessionId(int userId);
     void reportNetworkEvent(in String sessionId, in NetworkEvent event, int userId);
     void reportPlaybackErrorEvent(in String sessionId, in PlaybackErrorEvent event, int userId);
     void reportPlaybackStateEvent(in String sessionId, in PlaybackStateEvent event, int userId);
     void reportTrackChangeEvent(in String sessionId, in TrackChangeEvent event, int userId);
-}
+
+    String getTranscodingSessionId(int userId);
+    String getEditingSessionId(int userId);
+}

media/java/android/media/metrics/MediaMetricsManager.java

@@ -116,6 +116,34 @@ public final class MediaMetricsManager {
         }
     }
 
+    /**
+     * Creates a transcoding session.
+     */
+    @NonNull
+    public TranscodingSession createTranscodingSession() {
+        try {
+            String id = mService.getTranscodingSessionId(mUserId);
+            TranscodingSession session = new TranscodingSession(id, this);
+            return session;
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
+     * Creates a editing session.
+     */
+    @NonNull
+    public EditingSession createEditingSession() {
+        try {
+            String id = mService.getEditingSessionId(mUserId);
+            EditingSession session = new EditingSession(id, this);
+            return session;
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
     /**
      * Reports error event.
      * @hide

media/java/android/media/metrics/TranscodingSession.java

@@ -0,0 +1,63 @@
+/*
+ * 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.metrics;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+
+import com.android.internal.util.AnnotationValidations;
+
+import java.util.Objects;
+
+/**
+ * An instances of this class represents a session of media Transcoding.
+ */
+public final class TranscodingSession implements AutoCloseable {
+    private final @NonNull String mId;
+    private final @NonNull MediaMetricsManager mManager;
+    private final @NonNull LogSessionId mLogSessionId;
+
+    /** @hide */
+    public TranscodingSession(@NonNull String id, @NonNull MediaMetricsManager manager) {
+        mId = id;
+        mManager = manager;
+        AnnotationValidations.validate(NonNull.class, null, mId);
+        AnnotationValidations.validate(NonNull.class, null, mManager);
+        mLogSessionId = new LogSessionId(mId);
+    }
+
+    public @NonNull LogSessionId getSessionId() {
+        return mLogSessionId;
+    }
+
+    @Override
+    public boolean equals(@Nullable Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        TranscodingSession that = (TranscodingSession) o;
+        return Objects.equals(mId, that.mId);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(mId);
+    }
+
+    @Override
+    public void close() {
+    }
+}

services/core/java/com/android/server/media/metrics/MediaMetricsManagerService.java

@@ -221,6 +221,16 @@ public final class MediaMetricsManagerService extends SystemService {
             return getSessionIdInternal(userId);
         }
 
+        @Override
+        public String getTranscodingSessionId(int userId) {
+            return getSessionIdInternal(userId);
+        }
+
+        @Override
+        public String getEditingSessionId(int userId) {
+            return getSessionIdInternal(userId);
+        }
+
         @Override
         public void reportPlaybackErrorEvent(
                 String sessionId, PlaybackErrorEvent event, int userId) {