diff --git a/LEGO1/mxdiskstreamprovider.cpp b/LEGO1/mxdiskstreamprovider.cpp
index 4dcb02cf..cd1572b5 100644
--- a/LEGO1/mxdiskstreamprovider.cpp
+++ b/LEGO1/mxdiskstreamprovider.cpp
@@ -45,4 +45,41 @@ MxResult MxDiskStreamProvider::WaitForWorkToComplete()
 void MxDiskStreamProvider::PerformWork()
 {
   // TODO
-}
\ No newline at end of file
+}
+
+// OFFSET: LEGO1 0x100d13d0 STUB
+MxResult MxDiskStreamProvider::SetResourceToGet(void* p_resource)
+{
+  // TODO
+  return FAILURE;
+}
+
+// OFFSET: LEGO1 0x100d1e90
+MxU32 MxDiskStreamProvider::GetFileSize()
+{
+  return m_pFile->GetBufferSize();
+}
+
+// OFFSET: LEGO1 0x100d1ea0
+MxU32 MxDiskStreamProvider::GetStreamBuffersNum()
+{
+  return m_pFile->GetStreamBuffersNum();
+}
+
+// OFFSET: LEGO1 0x100d15e0 STUB
+void MxDiskStreamProvider::vtable0x20(undefined4 p_unknown1)
+{
+  // TODO
+}
+
+// OFFSET: LEGO1 0x100d1eb0
+MxU32 MxDiskStreamProvider::GetLengthInDWords()
+{
+  return m_pFile->GetLengthInDWords();
+}
+
+// OFFSET: LEGO1 0x100d1ec0
+void* MxDiskStreamProvider::GetBufferForDWords()
+{
+  return m_pFile->GetBuffer();
+}
diff --git a/LEGO1/mxdiskstreamprovider.h b/LEGO1/mxdiskstreamprovider.h
index c797a0de..7edd62b4 100644
--- a/LEGO1/mxdiskstreamprovider.h
+++ b/LEGO1/mxdiskstreamprovider.h
@@ -49,6 +49,13 @@ public:
 
   void PerformWork();
 
+  virtual MxResult SetResourceToGet(void* p_resource) override; //vtable+0x14
+  virtual MxU32 GetFileSize() override; //vtable+0x18
+  virtual MxU32 GetStreamBuffersNum() override; //vtable+0x1c
+  virtual void vtable0x20(undefined4 p_unknown1) override; //vtable+0x20
+  virtual MxU32 GetLengthInDWords() override; //vtable+0x24
+  virtual void* GetBufferForDWords()override; //vtable+0x28
+
 private:
   MxDiskStreamProviderThread m_thread; // 0x10
   MxSemaphore m_busySemaphore; // 0x2c
diff --git a/LEGO1/mxramstreamprovider.cpp b/LEGO1/mxramstreamprovider.cpp
index 9b052699..2bfb86d7 100644
--- a/LEGO1/mxramstreamprovider.cpp
+++ b/LEGO1/mxramstreamprovider.cpp
@@ -41,7 +41,7 @@ MxU32 MxRAMStreamProvider::GetFileSize()
 }
 
 // OFFSET: LEGO1 0x100d0940
-MxU32 MxRAMStreamProvider::vtable0x1C()
+MxU32 MxRAMStreamProvider::GetStreamBuffersNum()
 {
   return 1;
 }
diff --git a/LEGO1/mxramstreamprovider.h b/LEGO1/mxramstreamprovider.h
index 4a22b013..3d0bf5aa 100644
--- a/LEGO1/mxramstreamprovider.h
+++ b/LEGO1/mxramstreamprovider.h
@@ -9,10 +9,10 @@ class MxRAMStreamProvider : public MxStreamProvider
 public:
   MxRAMStreamProvider();
   virtual ~MxRAMStreamProvider() override;
-  
+
   virtual MxResult SetResourceToGet(void* p_resource) override; //vtable+0x14
   virtual MxU32 GetFileSize() override; //vtable+0x18
-  virtual MxU32 vtable0x1C() override; //vtable+0x1c
+  virtual MxU32 GetStreamBuffersNum() override; //vtable+0x1c
   virtual MxU32 GetLengthInDWords() override; //vtable+0x24
   virtual void* GetBufferForDWords() override; //vtable+0x28
 
diff --git a/LEGO1/mxstreamprovider.h b/LEGO1/mxstreamprovider.h
index 3cb11144..7750a506 100644
--- a/LEGO1/mxstreamprovider.h
+++ b/LEGO1/mxstreamprovider.h
@@ -26,7 +26,7 @@ public:
 
   virtual MxResult SetResourceToGet(void* p_resource); //vtable+0x14
   virtual MxU32 GetFileSize() = 0; //vtable+0x18
-  virtual MxU32 vtable0x1C() = 0; //vtable+0x1c
+  virtual MxU32 GetStreamBuffersNum() = 0; //vtable+0x1c
   virtual void vtable0x20(undefined4 p_unknown1); //vtable+0x20
   virtual MxU32 GetLengthInDWords() = 0; //vtable+0x24
   virtual void* GetBufferForDWords() = 0; //vtable+0x28