diff --git a/include/camera/android/hardware/ICamera.h b/include/camera/android/hardware/ICamera.h
index 322b741..3b12afe 100644
--- a/include/camera/android/hardware/ICamera.h
+++ b/include/camera/android/hardware/ICamera.h
@@ -94,9 +94,13 @@
     // get recording state
     virtual bool            recordingEnabled() = 0;
 
-    // release a recording frame
+    // Release a recording frame that was received via ICameraClient::dataCallbackTimestamp.
     virtual void            releaseRecordingFrame(const sp<IMemory>& mem) = 0;
 
+    // Release a recording frame handle that was received via
+    // ICameraClient::recordingFrameHandleCallbackTimestamp.
+    virtual void            releaseRecordingFrameHandle(native_handle_t *handle) = 0;
+
     // auto focus
     virtual status_t        autoFocus() = 0;
 
diff --git a/include/camera/android/hardware/ICameraClient.h b/include/camera/android/hardware/ICameraClient.h
index d7f9a75..3f835a9 100644
--- a/include/camera/android/hardware/ICameraClient.h
+++ b/include/camera/android/hardware/ICameraClient.h
@@ -36,6 +36,11 @@
     virtual void            dataCallback(int32_t msgType, const sp<IMemory>& data,
                                          camera_frame_metadata_t *metadata) = 0;
     virtual void            dataCallbackTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& data) = 0;
+
+    // Invoked to send a recording frame handle with a timestamp. Call
+    // ICamera::releaseRecordingFrameHandle to release the frame handle.
+    virtual void            recordingFrameHandleCallbackTimestamp(nsecs_t timestamp,
+                                         native_handle_t* handle) = 0;
 };
 
 // ----------------------------------------------------------------------------