diff --git a/api/current.txt b/api/current.txt
index 8925846..94aa9b4 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -23130,6 +23130,7 @@
     field public static final java.lang.String KEY_MAX_WIDTH = "max-width";
     field public static final java.lang.String KEY_MIME = "mime";
     field public static final java.lang.String KEY_OPERATING_RATE = "operating-rate";
+    field public static final java.lang.String KEY_OUTPUT_REORDER_DEPTH = "output-reorder-depth";
     field public static final java.lang.String KEY_PCM_ENCODING = "pcm-encoding";
     field public static final java.lang.String KEY_PRIORITY = "priority";
     field public static final java.lang.String KEY_PROFILE = "profile";
diff --git a/media/java/android/media/MediaFormat.java b/media/java/android/media/MediaFormat.java
index 306ed83..c6496eb 100644
--- a/media/java/android/media/MediaFormat.java
+++ b/media/java/android/media/MediaFormat.java
@@ -680,6 +680,21 @@
     public static final String KEY_LATENCY = "latency";
 
     /**
+     * An optional key describing the maximum number of non-display-order coded frames.
+     * This is an optional parameter that applies only to video encoders. Application should
+     * check the value for this key in the output format to see if codec will produce
+     * non-display-order coded frames. If encoder supports it, the output frames' order will be
+     * different from the display order and each frame's display order could be retrived from
+     * {@link MediaCodec.BufferInfo#presentationTimeUs}. Before API level 27, application may
+     * receive non-display-order coded frames even though the application did not request it.
+     * Note: Application should not rearrange the frames to display order before feeding them
+     * to {@link MediaMuxer#writeSampleData}.
+     * <p>
+     * The default value is 0.
+     */
+    public static final String KEY_OUTPUT_REORDER_DEPTH = "output-reorder-depth";
+
+    /**
      * A key describing the desired clockwise rotation on an output surface.
      * This key is only used when the codec is configured using an output surface.
      * The associated value is an integer, representing degrees. Supported values