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diff --git a/media/jni/android_media_MediaSync.h b/media/jni/android_media_MediaSync.h
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+++ b/media/jni/android_media_MediaSync.h
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+/*
+ * Copyright 2015, 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.
+ */
+
+#ifndef _ANDROID_MEDIA_MEDIASYNC_H_
+#define _ANDROID_MEDIA_MEDIASYNC_H_
+
+#include <media/stagefright/foundation/ABase.h>
+#include <media/stagefright/MediaSync.h>
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+
+namespace android {
+
+struct AudioPlaybackRate;
+class AudioTrack;
+struct IGraphicBufferProducer;
+struct MediaClock;
+class MediaSync;
+
+struct JMediaSync : public RefBase {
+    JMediaSync();
+
+    status_t setSurface(const sp<IGraphicBufferProducer> &bufferProducer);
+    status_t setAudioTrack(const sp<AudioTrack> &audioTrack);
+
+    status_t createInputSurface(sp<IGraphicBufferProducer>* bufferProducer);
+
+    status_t updateQueuedAudioData(int sizeInBytes, int64_t presentationTimeUs);
+
+    status_t getPlayTimeForPendingAudioFrames(int64_t *outTimeUs);
+
+    status_t setPlaybackSettings(const AudioPlaybackRate& rate);
+    void getPlaybackSettings(AudioPlaybackRate* rate /* nonnull */);
+    status_t setSyncSettings(const AVSyncSettings& syncSettings);
+    void getSyncSettings(AVSyncSettings* syncSettings /* nonnull */);
+    status_t setVideoFrameRateHint(float rate);
+    float getVideoFrameRate();
+
+    sp<const MediaClock> getMediaClock();
+
+protected:
+    virtual ~JMediaSync();
+
+private:
+    sp<MediaSync> mSync;
+
+    DISALLOW_EVIL_CONSTRUCTORS(JMediaSync);
+};
+
+}  // namespace android
+
+#endif  // _ANDROID_MEDIA_MEDIASYNC_H_