diff --git a/drm/common/DrmEngineBase.cpp b/drm/common/DrmEngineBase.cpp
index 10c64ee..98a9ece 100644
--- a/drm/common/DrmEngineBase.cpp
+++ b/drm/common/DrmEngineBase.cpp
@@ -80,7 +80,7 @@
 }
 
 status_t DrmEngineBase::setPlaybackStatus(
-    int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position) {
+    int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position) {
     return onSetPlaybackStatus(uniqueId, decryptHandle, playbackStatus, position);
 }
 
@@ -116,7 +116,7 @@
 }
 
 status_t DrmEngineBase::openDecryptSession(
-    int uniqueId, DecryptHandle* decryptHandle, int fd, int offset, int length) {
+    int uniqueId, DecryptHandle* decryptHandle, int fd, off64_t offset, off64_t length) {
     return onOpenDecryptSession(uniqueId, decryptHandle, fd, offset, length);
 }
 
@@ -146,7 +146,7 @@
 }
 
 ssize_t DrmEngineBase::pread(
-    int uniqueId, DecryptHandle* decryptHandle, void* buffer, ssize_t numBytes, off_t offset) {
+    int uniqueId, DecryptHandle* decryptHandle, void* buffer, ssize_t numBytes, off64_t offset) {
     return onPread(uniqueId, decryptHandle, buffer, numBytes, offset);
 }
 
diff --git a/drm/common/IDrmManagerService.cpp b/drm/common/IDrmManagerService.cpp
index c3d12f0..fca4261 100644
--- a/drm/common/IDrmManagerService.cpp
+++ b/drm/common/IDrmManagerService.cpp
@@ -333,7 +333,7 @@
 }
 
 status_t BpDrmManagerService::setPlaybackStatus(
-            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position) {
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position) {
     LOGV("setPlaybackStatus");
     Parcel data, reply;
 
@@ -429,7 +429,7 @@
     if (0 != reply.dataAvail()) {
         //Filling DRM Converted Status
         const int statusCode = reply.readInt32();
-        const int offset = reply.readInt32();
+        const off64_t offset = reply.readInt64();
 
         DrmBuffer* convertedData = NULL;
         if (0 != reply.dataAvail()) {
@@ -461,7 +461,7 @@
     if (0 != reply.dataAvail()) {
         //Filling DRM Converted Status
         const int statusCode = reply.readInt32();
-        const int offset = reply.readInt32();
+        const off64_t offset = reply.readInt64();
 
         DrmBuffer* convertedData = NULL;
         if (0 != reply.dataAvail()) {
@@ -515,15 +515,15 @@
 }
 
 DecryptHandle* BpDrmManagerService::openDecryptSession(
-            int uniqueId, int fd, int offset, int length) {
+            int uniqueId, int fd, off64_t offset, off64_t length) {
     LOGV("Entering BpDrmManagerService::openDecryptSession");
     Parcel data, reply;
 
     data.writeInterfaceToken(IDrmManagerService::getInterfaceDescriptor());
     data.writeInt32(uniqueId);
     data.writeFileDescriptor(fd);
-    data.writeInt32(offset);
-    data.writeInt32(length);
+    data.writeInt64(offset);
+    data.writeInt64(length);
 
     remote()->transact(OPEN_DECRYPT_SESSION, data, &reply);
 
@@ -697,7 +697,7 @@
 
 ssize_t BpDrmManagerService::pread(
             int uniqueId, DecryptHandle* decryptHandle, void* buffer,
-            ssize_t numBytes, off_t offset) {
+            ssize_t numBytes, off64_t offset) {
     LOGV("read");
     Parcel data, reply;
     int result;
@@ -717,7 +717,7 @@
     }
 
     data.writeInt32(numBytes);
-    data.writeInt32(offset);
+    data.writeInt64(offset);
 
     remote()->transact(PREAD, data, &reply);
     result = reply.readInt32();
@@ -1121,7 +1121,7 @@
         if (NULL != drmConvertedStatus) {
             //Filling Drm Converted Ststus
             reply->writeInt32(drmConvertedStatus->statusCode);
-            reply->writeInt32(drmConvertedStatus->offset);
+            reply->writeInt64(drmConvertedStatus->offset);
 
             if (NULL != drmConvertedStatus->convertedData) {
                 const DrmBuffer* convertedData = drmConvertedStatus->convertedData;
@@ -1150,7 +1150,7 @@
         if (NULL != drmConvertedStatus) {
             //Filling Drm Converted Ststus
             reply->writeInt32(drmConvertedStatus->statusCode);
-            reply->writeInt32(drmConvertedStatus->offset);
+            reply->writeInt64(drmConvertedStatus->offset);
 
             if (NULL != drmConvertedStatus->convertedData) {
                 const DrmBuffer* convertedData = drmConvertedStatus->convertedData;
@@ -1210,7 +1210,7 @@
         const int fd = data.readFileDescriptor();
 
         DecryptHandle* handle
-            = openDecryptSession(uniqueId, fd, data.readInt32(), data.readInt32());
+            = openDecryptSession(uniqueId, fd, data.readInt64(), data.readInt64());
 
         if (NULL != handle) {
             reply->writeInt32(handle->decryptId);
@@ -1415,7 +1415,7 @@
         const int numBytes = data.readInt32();
         char* buffer = new char[numBytes];
 
-        const off_t offset = data.readInt32();
+        const off64_t offset = data.readInt64();
 
         ssize_t result = pread(uniqueId, &handle, buffer, numBytes, offset);
         reply->writeInt32(result);
diff --git a/drm/common/ReadWriteUtils.cpp b/drm/common/ReadWriteUtils.cpp
index 7ec4fa2..c16214e 100644
--- a/drm/common/ReadWriteUtils.cpp
+++ b/drm/common/ReadWriteUtils.cpp
@@ -42,7 +42,7 @@
         struct stat sb;
 
         if (fstat(fd, &sb) == 0 && sb.st_size > 0) {
-            int length = sb.st_size;
+            off64_t length = sb.st_size;
             char* bytes = new char[length];
             if (length == read(fd, (void*) bytes, length)) {
                 string.append(bytes, length);
@@ -57,7 +57,7 @@
 int ReadWriteUtils::readBytes(const String8& filePath, char** buffer) {
     FILE* file = NULL;
     file = fopen(filePath.string(), "r");
-    int length = 0;
+    off64_t length = 0;
 
     if (NULL != file) {
         int fd = fileno(file);
diff --git a/drm/drmserver/DrmManager.cpp b/drm/drmserver/DrmManager.cpp
index 35e62f3..8da8176 100644
--- a/drm/drmserver/DrmManager.cpp
+++ b/drm/drmserver/DrmManager.cpp
@@ -258,7 +258,7 @@
 }
 
 status_t DrmManager::setPlaybackStatus(
-    int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position) {
+    int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position) {
     status_t result = DRM_ERROR_UNKNOWN;
     if (mDecryptSessionMap.indexOfKey(decryptHandle->decryptId) != NAME_NOT_FOUND) {
         IDrmEngine* drmEngine = mDecryptSessionMap.valueFor(decryptHandle->decryptId);
@@ -370,7 +370,7 @@
     return DRM_NO_ERROR;
 }
 
-DecryptHandle* DrmManager::openDecryptSession(int uniqueId, int fd, int offset, int length) {
+DecryptHandle* DrmManager::openDecryptSession(int uniqueId, int fd, off64_t offset, off64_t length) {
     Mutex::Autolock _l(mDecryptLock);
     status_t result = DRM_ERROR_CANNOT_HANDLE;
     Vector<String8> plugInIdList = mPlugInManager.getPlugInIdList();
@@ -470,7 +470,7 @@
 }
 
 ssize_t DrmManager::pread(int uniqueId, DecryptHandle* decryptHandle,
-            void* buffer, ssize_t numBytes, off_t offset) {
+            void* buffer, ssize_t numBytes, off64_t offset) {
     ssize_t result = DECRYPT_FILE_ERROR;
 
     if (mDecryptSessionMap.indexOfKey(decryptHandle->decryptId) != NAME_NOT_FOUND) {
diff --git a/drm/drmserver/DrmManagerService.cpp b/drm/drmserver/DrmManagerService.cpp
index 8cf510d..efd7bae 100644
--- a/drm/drmserver/DrmManagerService.cpp
+++ b/drm/drmserver/DrmManagerService.cpp
@@ -125,7 +125,7 @@
 }
 
 status_t DrmManagerService::setPlaybackStatus(
-            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position) {
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position) {
     LOGV("Entering setPlaybackStatus");
     return mDrmManager->setPlaybackStatus(uniqueId, decryptHandle, playbackStatus, position);
 }
@@ -170,7 +170,7 @@
 }
 
 DecryptHandle* DrmManagerService::openDecryptSession(
-            int uniqueId, int fd, int offset, int length) {
+            int uniqueId, int fd, off64_t offset, off64_t length) {
     LOGV("Entering DrmManagerService::openDecryptSession");
     return mDrmManager->openDecryptSession(uniqueId, fd, offset, length);
 }
@@ -206,7 +206,7 @@
 }
 
 ssize_t DrmManagerService::pread(int uniqueId, DecryptHandle* decryptHandle,
-            void* buffer, ssize_t numBytes, off_t offset) {
+            void* buffer, ssize_t numBytes, off64_t offset) {
     LOGV("Entering pread");
     return mDrmManager->pread(uniqueId, decryptHandle, buffer, numBytes, offset);
 }
diff --git a/drm/libdrmframework/DrmManagerClient.cpp b/drm/libdrmframework/DrmManagerClient.cpp
index f0439eb..0cbbbd4 100644
--- a/drm/libdrmframework/DrmManagerClient.cpp
+++ b/drm/libdrmframework/DrmManagerClient.cpp
@@ -78,7 +78,7 @@
 }
 
 status_t DrmManagerClient::setPlaybackStatus(
-            DecryptHandle* decryptHandle, int playbackStatus, int position) {
+            DecryptHandle* decryptHandle, int playbackStatus, int64_t position) {
     return mDrmManagerClientImpl
             ->setPlaybackStatus(mUniqueId, decryptHandle, playbackStatus, position);
 }
@@ -112,7 +112,7 @@
     return mDrmManagerClientImpl->getAllSupportInfo(mUniqueId, length, drmSupportInfoArray);
 }
 
-DecryptHandle* DrmManagerClient::openDecryptSession(int fd, int offset, int length) {
+DecryptHandle* DrmManagerClient::openDecryptSession(int fd, off64_t offset, off64_t length) {
     return mDrmManagerClientImpl->openDecryptSession(mUniqueId, fd, offset, length);
 }
 
@@ -145,7 +145,7 @@
 }
 
 ssize_t DrmManagerClient::pread(
-            DecryptHandle* decryptHandle, void* buffer, ssize_t numBytes, off_t offset) {
+            DecryptHandle* decryptHandle, void* buffer, ssize_t numBytes, off64_t offset) {
     Mutex::Autolock _l(mDecryptLock);
     return mDrmManagerClientImpl->pread(mUniqueId, decryptHandle, buffer, numBytes, offset);
 }
diff --git a/drm/libdrmframework/DrmManagerClientImpl.cpp b/drm/libdrmframework/DrmManagerClientImpl.cpp
index b3ae9a7..519ed67 100644
--- a/drm/libdrmframework/DrmManagerClientImpl.cpp
+++ b/drm/libdrmframework/DrmManagerClientImpl.cpp
@@ -170,7 +170,7 @@
 }
 
 status_t DrmManagerClientImpl::setPlaybackStatus(
-            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position) {
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position) {
     status_t status = DRM_ERROR_UNKNOWN;
     if (NULL != decryptHandle) {
         status = getDrmManagerService()->setPlaybackStatus(
@@ -231,7 +231,7 @@
 }
 
 DecryptHandle* DrmManagerClientImpl::openDecryptSession(
-            int uniqueId, int fd, int offset, int length) {
+            int uniqueId, int fd, off64_t offset, off64_t length) {
     return getDrmManagerService()->openDecryptSession(uniqueId, fd, offset, length);
 }
 
@@ -283,7 +283,7 @@
 }
 
 ssize_t DrmManagerClientImpl::pread(int uniqueId, DecryptHandle* decryptHandle,
-            void* buffer, ssize_t numBytes, off_t offset) {
+            void* buffer, ssize_t numBytes, off64_t offset) {
     ssize_t retCode = INVALID_VALUE;
     if ((NULL != decryptHandle) && (NULL != buffer) && (0 < numBytes)) {
         retCode = getDrmManagerService()->pread(uniqueId, decryptHandle, buffer, numBytes, offset);
diff --git a/drm/libdrmframework/include/DrmManager.h b/drm/libdrmframework/include/DrmManager.h
index d782f5b..a0250b7 100644
--- a/drm/libdrmframework/include/DrmManager.h
+++ b/drm/libdrmframework/include/DrmManager.h
@@ -92,7 +92,7 @@
     status_t consumeRights(int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve);
 
     status_t setPlaybackStatus(
-            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position);
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position);
 
     bool validateAction(
             int uniqueId, const String8& path, int action, const ActionDescription& description);
@@ -109,7 +109,7 @@
 
     status_t getAllSupportInfo(int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray);
 
-    DecryptHandle* openDecryptSession(int uniqueId, int fd, int offset, int length);
+    DecryptHandle* openDecryptSession(int uniqueId, int fd, off64_t offset, off64_t length);
 
     DecryptHandle* openDecryptSession(int uniqueId, const char* uri);
 
@@ -124,7 +124,7 @@
     status_t finalizeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId);
 
     ssize_t pread(int uniqueId, DecryptHandle* decryptHandle,
-            void* buffer, ssize_t numBytes, off_t offset);
+            void* buffer, ssize_t numBytes, off64_t offset);
 
     void onInfo(const DrmInfoEvent& event);
 
diff --git a/drm/libdrmframework/include/DrmManagerClientImpl.h b/drm/libdrmframework/include/DrmManagerClientImpl.h
index 1c6be46..769f4d0 100644
--- a/drm/libdrmframework/include/DrmManagerClientImpl.h
+++ b/drm/libdrmframework/include/DrmManagerClientImpl.h
@@ -191,7 +191,7 @@
      *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
      */
     status_t setPlaybackStatus(
-            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position);
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position);
 
     /**
      * Validates whether an action on the DRM content is allowed or not.
@@ -291,7 +291,7 @@
      * @return
      *     Handle for the decryption session
      */
-    DecryptHandle* openDecryptSession(int uniqueId, int fd, int offset, int length);
+    DecryptHandle* openDecryptSession(int uniqueId, int fd, off64_t offset, off64_t length);
 
     /**
      * Open the decrypt session to decrypt the given protected content
@@ -369,7 +369,7 @@
      * @return Number of bytes read. Returns -1 for Failure.
      */
     ssize_t pread(int uniqueId, DecryptHandle* decryptHandle,
-            void* buffer, ssize_t numBytes, off_t offset);
+            void* buffer, ssize_t numBytes, off64_t offset);
 
     /**
      * Notify the event to the registered listener
diff --git a/drm/libdrmframework/include/DrmManagerService.h b/drm/libdrmframework/include/DrmManagerService.h
index 4a3aeae..4b3ba71 100644
--- a/drm/libdrmframework/include/DrmManagerService.h
+++ b/drm/libdrmframework/include/DrmManagerService.h
@@ -79,7 +79,7 @@
     status_t consumeRights(int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve);
 
     status_t setPlaybackStatus(
-            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position);
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position);
 
     bool validateAction(int uniqueId, const String8& path,
             int action, const ActionDescription& description);
@@ -96,7 +96,7 @@
 
     status_t getAllSupportInfo(int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray);
 
-    DecryptHandle* openDecryptSession(int uniqueId, int fd, int offset, int length);
+    DecryptHandle* openDecryptSession(int uniqueId, int fd, off64_t offset, off64_t length);
 
     DecryptHandle* openDecryptSession(int uniqueId, const char* uri);
 
@@ -111,7 +111,7 @@
     status_t finalizeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId);
 
     ssize_t pread(int uniqueId, DecryptHandle* decryptHandle,
-            void* buffer, ssize_t numBytes, off_t offset);
+            void* buffer, ssize_t numBytes, off64_t offset);
 
 private:
     DrmManager* mDrmManager;
diff --git a/drm/libdrmframework/include/IDrmManagerService.h b/drm/libdrmframework/include/IDrmManagerService.h
index 1275488..20fb2ab 100644
--- a/drm/libdrmframework/include/IDrmManagerService.h
+++ b/drm/libdrmframework/include/IDrmManagerService.h
@@ -116,7 +116,7 @@
             int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve) = 0;
 
     virtual status_t setPlaybackStatus(
-            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position) = 0;
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position) = 0;
 
     virtual bool validateAction(
             int uniqueId, const String8& path,
@@ -136,7 +136,7 @@
     virtual status_t getAllSupportInfo(
             int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray) = 0;
 
-    virtual DecryptHandle* openDecryptSession(int uniqueId, int fd, int offset, int length) = 0;
+    virtual DecryptHandle* openDecryptSession(int uniqueId, int fd, off64_t offset, off64_t length) = 0;
 
     virtual DecryptHandle* openDecryptSession(int uniqueId, const char* uri) = 0;
 
@@ -152,7 +152,7 @@
             int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId) = 0;
 
     virtual ssize_t pread(int uniqueId, DecryptHandle* decryptHandle,
-            void* buffer, ssize_t numBytes,off_t offset) = 0;
+            void* buffer, ssize_t numBytes,off64_t offset) = 0;
 };
 
 /**
@@ -198,7 +198,7 @@
             int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve);
 
     virtual status_t setPlaybackStatus(
-            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position);
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position);
 
     virtual bool validateAction(
             int uniqueId, const String8& path, int action, const ActionDescription& description);
@@ -217,7 +217,7 @@
     virtual status_t getAllSupportInfo(
             int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray);
 
-    virtual DecryptHandle* openDecryptSession(int uniqueId, int fd, int offset, int length);
+    virtual DecryptHandle* openDecryptSession(int uniqueId, int fd, off64_t offset, off64_t length);
 
     virtual DecryptHandle* openDecryptSession(int uniqueId, const char* uri);
 
@@ -233,7 +233,7 @@
             int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId);
 
     virtual ssize_t pread(int uniqueId, DecryptHandle* decryptHandle,
-            void* buffer, ssize_t numBytes, off_t offset);
+            void* buffer, ssize_t numBytes, off64_t offset);
 };
 
 /**
diff --git a/drm/libdrmframework/plugins/common/include/DrmEngineBase.h b/drm/libdrmframework/plugins/common/include/DrmEngineBase.h
index 5851af5..779f7ac 100644
--- a/drm/libdrmframework/plugins/common/include/DrmEngineBase.h
+++ b/drm/libdrmframework/plugins/common/include/DrmEngineBase.h
@@ -60,7 +60,7 @@
     status_t consumeRights(int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve);
 
     status_t setPlaybackStatus(
-            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position);
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position);
 
     bool validateAction(
             int uniqueId, const String8& path, int action, const ActionDescription& description);
@@ -78,7 +78,7 @@
     DrmSupportInfo* getSupportInfo(int uniqueId);
 
     status_t openDecryptSession(
-            int uniqueId, DecryptHandle* decryptHandle, int fd, int offset, int length);
+            int uniqueId, DecryptHandle* decryptHandle, int fd, off64_t offset, off64_t length);
 
     status_t openDecryptSession(
             int uniqueId, DecryptHandle* decryptHandle, const char* uri);
@@ -94,7 +94,7 @@
     status_t finalizeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId);
 
     ssize_t pread(int uniqueId, DecryptHandle* decryptHandle,
-            void* buffer, ssize_t numBytes, off_t offset);
+            void* buffer, ssize_t numBytes, off64_t offset);
 
 protected:
     /////////////////////////////////////////////////////
@@ -254,7 +254,7 @@
      *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
      */
     virtual status_t onSetPlaybackStatus(
-            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position) = 0;
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position) = 0;
 
     /**
      * Validates whether an action on the DRM content is allowed or not.
@@ -355,7 +355,7 @@
      *     DRM_ERROR_CANNOT_HANDLE for failure and DRM_NO_ERROR for success
      */
     virtual status_t onOpenDecryptSession(
-            int uniqueId, DecryptHandle* decryptHandle, int fd, int offset, int length) = 0;
+            int uniqueId, DecryptHandle* decryptHandle, int fd, off64_t offset, off64_t length) = 0;
 
     /**
      * Open the decrypt session to decrypt the given protected content
@@ -436,7 +436,7 @@
      * @return Number of bytes read. Returns -1 for Failure.
      */
     virtual ssize_t onPread(int uniqueId, DecryptHandle* decryptHandle,
-            void* buffer, ssize_t numBytes, off_t offset) = 0;
+            void* buffer, ssize_t numBytes, off64_t offset) = 0;
 };
 
 };
diff --git a/drm/libdrmframework/plugins/common/include/IDrmEngine.h b/drm/libdrmframework/plugins/common/include/IDrmEngine.h
index cc03ef2..28e6d8e 100644
--- a/drm/libdrmframework/plugins/common/include/IDrmEngine.h
+++ b/drm/libdrmframework/plugins/common/include/IDrmEngine.h
@@ -211,7 +211,7 @@
      *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
      */
     virtual status_t setPlaybackStatus(int uniqueId, DecryptHandle* decryptHandle,
-            int playbackStatus, int position) = 0;
+            int playbackStatus, int64_t position) = 0;
 
     /**
      * Validates whether an action on the DRM content is allowed or not.
@@ -312,7 +312,7 @@
      *     DRM_ERROR_CANNOT_HANDLE for failure and DRM_NO_ERROR for success
      */
     virtual status_t openDecryptSession(
-        int uniqueId, DecryptHandle* decryptHandle, int fd, int offset, int length) = 0;
+        int uniqueId, DecryptHandle* decryptHandle, int fd, off64_t offset, off64_t length) = 0;
 
     /**
      * Open the decrypt session to decrypt the given protected content
@@ -393,7 +393,7 @@
      * @return Number of bytes read. Returns -1 for Failure.
      */
     virtual ssize_t pread(int uniqueId, DecryptHandle* decryptHandle,
-            void* buffer, ssize_t numBytes, off_t offset) = 0;
+            void* buffer, ssize_t numBytes, off64_t offset) = 0;
 };
 
 };
diff --git a/drm/libdrmframework/plugins/passthru/include/DrmPassthruPlugIn.h b/drm/libdrmframework/plugins/passthru/include/DrmPassthruPlugIn.h
index ddb7fd3..9c94e73 100644
--- a/drm/libdrmframework/plugins/passthru/include/DrmPassthruPlugIn.h
+++ b/drm/libdrmframework/plugins/passthru/include/DrmPassthruPlugIn.h
@@ -54,7 +54,7 @@
     status_t onConsumeRights(int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve);
 
     status_t onSetPlaybackStatus(
-            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position);
+            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position);
 
     bool onValidateAction(
             int uniqueId, const String8& path, int action, const ActionDescription& description);
@@ -72,7 +72,7 @@
     DrmSupportInfo* onGetSupportInfo(int uniqueId);
 
     status_t onOpenDecryptSession(
-            int uniqueId, DecryptHandle* decryptHandle, int fd, int offset, int length);
+            int uniqueId, DecryptHandle* decryptHandle, int fd, off64_t offset, off64_t length);
 
     status_t onOpenDecryptSession(
             int uniqueId, DecryptHandle* decryptHandle, const char* uri);
@@ -88,7 +88,7 @@
     status_t onFinalizeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId);
 
     ssize_t onPread(int uniqueId, DecryptHandle* decryptHandle,
-            void* buffer, ssize_t numBytes, off_t offset);
+            void* buffer, ssize_t numBytes, off64_t offset);
 
 private:
     DecryptHandle* openDecryptSessionImpl();
diff --git a/drm/libdrmframework/plugins/passthru/src/DrmPassthruPlugIn.cpp b/drm/libdrmframework/plugins/passthru/src/DrmPassthruPlugIn.cpp
index 41f8e91..73c9708 100644
--- a/drm/libdrmframework/plugins/passthru/src/DrmPassthruPlugIn.cpp
+++ b/drm/libdrmframework/plugins/passthru/src/DrmPassthruPlugIn.cpp
@@ -182,7 +182,7 @@
 }
 
 status_t DrmPassthruPlugIn::onSetPlaybackStatus(int uniqueId, DecryptHandle* decryptHandle,
-            int playbackStatus, int position) {
+            int playbackStatus, int64_t position) {
     LOGD("DrmPassthruPlugIn::onSetPlaybackStatus() : %d", uniqueId);
     return DRM_NO_ERROR;
 }
@@ -229,7 +229,7 @@
 }
 
 status_t DrmPassthruPlugIn::onOpenDecryptSession(
-            int uniqueId, DecryptHandle* decryptHandle, int fd, int offset, int length) {
+            int uniqueId, DecryptHandle* decryptHandle, int fd, off64_t offset, off64_t length) {
     LOGD("DrmPassthruPlugIn::onOpenDecryptSession() : %d", uniqueId);
 
 #ifdef ENABLE_PASSTHRU_DECRYPTION
@@ -287,7 +287,7 @@
 }
 
 ssize_t DrmPassthruPlugIn::onPread(int uniqueId, DecryptHandle* decryptHandle,
-            void* buffer, ssize_t numBytes, off_t offset) {
+            void* buffer, ssize_t numBytes, off64_t offset) {
     LOGD("DrmPassthruPlugIn::onPread() : %d", uniqueId);
     return 0;
 }
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.