diff --git a/include/drm/DrmManagerClient.h b/include/drm/DrmManagerClient.h
index 5963c42..782ebae 100644
--- a/include/drm/DrmManagerClient.h
+++ b/include/drm/DrmManagerClient.h
@@ -65,7 +65,7 @@
      * @return
      *     Handle for the decryption session
      */
-    DecryptHandle* openDecryptSession(int fd, int offset, int length);
+    DecryptHandle* openDecryptSession(int fd, off64_t offset, off64_t length);
 
     /**
      * Open the decrypt session to decrypt the given protected content
@@ -109,7 +109,7 @@
      * @return status_t
      *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
      */
-    status_t setPlaybackStatus(DecryptHandle* decryptHandle, int playbackStatus, int position);
+    status_t setPlaybackStatus(DecryptHandle* decryptHandle, int playbackStatus, int64_t position);
 
     /**
      * Initialize decryption for the given unit of the protected content
@@ -163,7 +163,7 @@
      *
      * @return Number of bytes read. Returns -1 for Failure.
      */
-    ssize_t pread(DecryptHandle* decryptHandle, void* buffer, ssize_t numBytes, off_t offset);
+    ssize_t pread(DecryptHandle* decryptHandle, void* buffer, ssize_t numBytes, off64_t offset);
 
     /**
      * Validates whether an action on the DRM content is allowed or not.