Audio: Make AudioTimestamp be parcelable

Test: atest AudioTimestampTest
Bug: 259001306
Change-Id: Ie5702085e072aef85493b697a4b38d71d99452ba

core/api/current.txt

@@ -20896,8 +20896,11 @@ package android.media {
     method public void onRoutingChanged(android.media.AudioRouting);
   }
 
-  public final class AudioTimestamp {
+  public final class AudioTimestamp implements android.os.Parcelable {
     ctor public AudioTimestamp();
+    method public int describeContents();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.media.AudioTimestamp> CREATOR;
     field public static final int TIMEBASE_BOOTTIME = 1; // 0x1
     field public static final int TIMEBASE_MONOTONIC = 0; // 0x0
     field public long framePosition;

media/java/android/media/AudioTimestamp.aidl

@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2022 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;
+
+parcelable AudioTimestamp;

media/java/android/media/AudioTimestamp.java

@@ -16,11 +16,14 @@
 
 package android.media;
 
+import android.annotation.IntDef;
+import android.annotation.NonNull;
+import android.os.Parcel;
+import android.os.Parcelable;
+
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 
-import android.annotation.IntDef;
-
 /**
  * Structure that groups a position in frame units relative to an assumed audio stream,
  * together with the estimated time when that frame enters or leaves the audio
@@ -33,8 +36,7 @@ import android.annotation.IntDef;
  * @see AudioTrack#getTimestamp AudioTrack.getTimestamp(AudioTimestamp)
  * @see AudioRecord#getTimestamp AudioRecord.getTimestamp(AudioTimestamp, int)
  */
-public final class AudioTimestamp
-{
+public final class AudioTimestamp implements Parcelable {
     /**
      * Clock monotonic or its equivalent on the system,
      * in the same units and timebase as {@link java.lang.System#nanoTime}.
@@ -86,4 +88,47 @@ public final class AudioTimestamp
      * with a timebase of {@link #TIMEBASE_MONOTONIC}.
      */
     public long nanoTime;
+
+    public AudioTimestamp() {
+    }
+
+    private AudioTimestamp(@NonNull Parcel in) {
+        framePosition = in.readLong();
+        nanoTime = in.readLong();
+    }
+
+    @Override
+    public String toString() {
+        return "AudioTimeStamp:"
+                + " framePos=" + framePosition
+                + " nanoTime=" + nanoTime;
+    }
+
+    @Override
+    public void writeToParcel(@NonNull Parcel dest, int flags) {
+        dest.writeLong(framePosition);
+        dest.writeLong(nanoTime);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    /**
+     * Creates an instance from a {@link Parcel}.
+     */
+    @NonNull
+    public static final Creator<AudioTimestamp> CREATOR = new Creator<>() {
+        @Override
+        public AudioTimestamp createFromParcel(@NonNull Parcel in) {
+            return new AudioTimestamp(in);
+        }
+
+        @Override
+        public AudioTimestamp[] newArray(int size) {
+            return new AudioTimestamp[size];
+        }
+    };
 }
+