Initial community commit

Src/Plugins/Input/in_dshow/base/fourcc.h

@@ -0,0 +1,101 @@
+//------------------------------------------------------------------------------
+// File: FourCC.h
+//
+// Desc: DirectShow base classes.
+//
+// Copyright (c) 1992-2001 Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------------------------
+
+
+// FOURCCMap
+//
+// provides a mapping between old-style multimedia format DWORDs
+// and new-style GUIDs.
+//
+// A range of 4 billion GUIDs has been allocated to ensure that this
+// mapping can be done straightforwardly one-to-one in both directions.
+//
+// January 95
+
+
+#ifndef __FOURCC__
+#define __FOURCC__
+
+
+// Multimedia format types are marked with DWORDs built from four 8-bit
+// chars and known as FOURCCs. New multimedia AM_MEDIA_TYPE definitions include
+// a subtype GUID. In order to simplify the mapping, GUIDs in the range:
+//    XXXXXXXX-0000-0010-8000-00AA00389B71
+// are reserved for FOURCCs.
+
+class FOURCCMap : public GUID
+{
+
+public:
+    FOURCCMap();
+    FOURCCMap(DWORD Fourcc);
+    FOURCCMap(const GUID *);
+
+
+    DWORD GetFOURCC(void);
+    void SetFOURCC(DWORD fourcc);
+    void SetFOURCC(const GUID *);
+
+private:
+    void InitGUID();
+};
+
+#define GUID_Data2      0
+#define GUID_Data3     0x10
+#define GUID_Data4_1   0xaa000080
+#define GUID_Data4_2   0x719b3800
+
+inline void
+FOURCCMap::InitGUID() {
+    Data2 = GUID_Data2;
+    Data3 = GUID_Data3;
+    ((DWORD *)Data4)[0] = GUID_Data4_1;
+    ((DWORD *)Data4)[1] = GUID_Data4_2;
+}
+
+inline
+FOURCCMap::FOURCCMap() {
+    InitGUID();
+    SetFOURCC( DWORD(0));
+}
+
+inline
+FOURCCMap::FOURCCMap(DWORD fourcc)
+{
+    InitGUID();
+    SetFOURCC(fourcc);
+}
+
+inline
+FOURCCMap::FOURCCMap(const GUID * pGuid)
+{
+    InitGUID();
+    SetFOURCC(pGuid);
+}
+
+inline void
+FOURCCMap::SetFOURCC(const GUID * pGuid)
+{
+    FOURCCMap * p = (FOURCCMap*) pGuid;
+    SetFOURCC(p->GetFOURCC());
+}
+
+inline void
+FOURCCMap::SetFOURCC(DWORD fourcc)
+{
+    Data1 = fourcc;
+}
+
+inline DWORD
+FOURCCMap::GetFOURCC(void)
+{
+    return Data1;
+}
+
+#endif /* __FOURCC__ */
+