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authorFire-Head <Fire-Head@users.noreply.github.com>2019-06-02 05:00:38 +0200
committerFire-Head <Fire-Head@users.noreply.github.com>2019-06-02 05:00:38 +0200
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+//------------------------------------------------------------------------------
+// File: VideoAcc.idl
+//
+// Desc: An interface exposed by the overlay mixer to help decode samples
+// using hardware video acceleration.
+//
+// Copyright (c) 1992-2002, Microsoft Corporation. All rights reserved.
+//------------------------------------------------------------------------------
+
+
+import "unknwn.idl";
+
+cpp_quote("//")
+cpp_quote("// The following declarations within the 'if 0' block are dummy typedefs used to make")
+cpp_quote("// the motncomp.idl file build. The actual definitions are contained in ddraw.h and amva.h")
+cpp_quote("//")
+cpp_quote("#if 0")
+
+typedef void* LPVOID;
+typedef void* LPGUID;
+typedef void* LPDIRECTDRAWSURFACE;
+typedef void* LPDDPIXELFORMAT;
+typedef void* LPAMVAInternalMemInfo;
+typedef void AMVAUncompDataInfo;
+typedef void* LPAMVACompBufferInfo;
+typedef void AMVABUFFERINFO;
+typedef void AMVAEndFrameInfo;
+typedef void* LPAMVAUncompBufferInfo;
+typedef void AMVABeginFrameInfo;
+typedef IUnknown* IMediaSample;
+
+cpp_quote("#endif")
+cpp_quote("#include <ddraw.h>")
+cpp_quote("#include <amva.h>")
+
+
+[
+ local,
+ object,
+ uuid(256A6A21-FBAD-11d1-82BF-00A0C9696C8F),
+ helpstring("IAMVideoAcceleratorNotify Interface"),
+ pointer_default(unique)
+]
+
+// IAMVideoAcceleratorNotify
+interface IAMVideoAcceleratorNotify : IUnknown
+{
+ // get information necessary to allocate uncompressed data buffers
+ // which is not part of the mediatype format (like how many buffers to allocate etc)
+ HRESULT GetUncompSurfacesInfo([in] const GUID *pGuid, [in] [out] LPAMVAUncompBufferInfo pUncompBufferInfo);
+
+ // set information regarding allocated uncompressed data buffers
+ HRESULT SetUncompSurfacesInfo([in] DWORD dwActualUncompSurfacesAllocated);
+
+ // get information necessary to create video accelerator object. It is the caller's responsibility
+ // to call CoTaskMemFree() on *ppMiscData
+ HRESULT GetCreateVideoAcceleratorData([in] const GUID *pGuid, [out] LPDWORD pdwSizeMiscData, [out] LPVOID *ppMiscData);
+};
+
+[
+ local,
+ object,
+ uuid(256A6A22-FBAD-11d1-82BF-00A0C9696C8F),
+ helpstring("IAMVideoAccelerator Interface"),
+ pointer_default(unique)
+]
+
+// IAMVideoAccelerator
+interface IAMVideoAccelerator : IUnknown
+{
+ // pdwNumGuidsSupported is an IN OUT paramter
+ // pGuidsSupported is an IN OUT paramter
+ // if pGuidsSupported is NULL, pdwNumGuidsSupported should return back with the
+ // number of uncompressed pixel formats supported
+ // Otherwise pGuidsSupported is an array of *pdwNumGuidsSupported structures
+ HRESULT GetVideoAcceleratorGUIDs([in] [out] LPDWORD pdwNumGuidsSupported, [in] [out] LPGUID pGuidsSupported);
+
+ // pGuid is an IN parameter
+ // pdwNumFormatsSupported is an IN OUT paramter
+ // pFormatsSupported is an IN OUT paramter (caller should make sure to set the size of EACH struct)
+ // if pFormatsSupported is NULL, pdwNumFormatsSupported should return back with
+ // the number of uncompressed pixel formats supported
+ // Otherwise pFormatsSupported is an array of *pdwNumFormatsSupported structures
+ HRESULT GetUncompFormatsSupported( [in] const GUID *pGuid, [in] [out] LPDWORD pdwNumFormatsSupported,
+ [in] [out] LPDDPIXELFORMAT pFormatsSupported);
+
+ // pGuid is an IN parameter
+ // pamvaUncompDataInfo is an IN parameter
+ // pamvaInternalMemInfo is an IN OUT parameter (caller should make sure to set the size of struct)
+ // currently only gets info about how much scratch memory will the hal allocate for its private use
+ HRESULT GetInternalMemInfo([in] const GUID *pGuid, [in] const AMVAUncompDataInfo *pamvaUncompDataInfo,
+ [in] [out] LPAMVAInternalMemInfo pamvaInternalMemInfo);
+
+ // pGuid is an IN parameter
+ // pamvaUncompDataInfo is an IN parameter
+ // pdwNumTypesCompBuffers is an IN OUT paramter
+ // pamvaCompBufferInfo is an IN OUT paramter (caller should make sure to set the size of EACH struct)
+ // if pamvaCompBufferInfo is NULL, pdwNumTypesCompBuffers should return back with the number of types of
+ // compressed buffers
+ // Otherwise pamvaCompBufferInfo is an array of *pdwNumTypesCompBuffers structures
+ HRESULT GetCompBufferInfo([in] const GUID *pGuid, [in] const AMVAUncompDataInfo *pamvaUncompDataInfo,
+ [in] [out] LPDWORD pdwNumTypesCompBuffers, [out] LPAMVACompBufferInfo pamvaCompBufferInfo);
+
+
+ // pdwNumTypesCompBuffers is an IN OUT paramter
+ // pamvaCompBufferInfo is an IN OUT paramter (caller should make sure to set the size of EACH struct)
+ // if pamvaCompBufferInfo is NULL, pdwNumTypesCompBuffers should return back with the number of types of
+ // compressed buffers
+ // Otherwise pamvaCompBufferInfo is an array of *pdwNumTypesCompBuffers structures
+ // only valid to call this after the pins are connected
+ HRESULT GetInternalCompBufferInfo([in] [out] LPDWORD pdwNumTypesCompBuffers, [out] LPAMVACompBufferInfo pamvaCompBufferInfo);
+
+ // begin a frame, the pMiscData is passed directly to the hal
+ // only valid to call this after the pins are connected
+ // Tells the ovmixer which frame is the destination
+ // frame. Use indices (valid vales are [0 .. pdwNumSurfacesAllocated-1]) to specify frames
+ HRESULT BeginFrame([in] const AMVABeginFrameInfo *amvaBeginFrameInfo);
+
+ // end a frame, the pMiscData is passed directly to the hal
+ // only valid to call this after the pins are connected
+ HRESULT EndFrame([in] const AMVAEndFrameInfo *pEndFrameInfo);
+
+ // lock and obtain access to a single buffer
+ // only valid to call this after the pins are connected
+ // Buffers are identified by type and index within that type
+ // Specifiying read-only will allow access to busy reference
+ // frames
+ // Output (uncompressed) frames use a type index of 0xFFFFFFFF
+ HRESULT GetBuffer(
+ [in] DWORD dwTypeIndex,
+ [in] DWORD dwBufferIndex,
+ [in] BOOL bReadOnly,
+ [out] LPVOID *ppBuffer,
+ [out] LONG *lpStride);
+
+ // unlock a single buffer
+ // Buffers are identified by type and index within that type
+ // only valid to call this after the pins are connected
+ HRESULT ReleaseBuffer([in] DWORD dwTypeIndex, [in] DWORD dwBufferIndex);
+
+ // Perform a decompression operation
+ // Private data can be passed to and from a driver
+ // identifiers for the corresponding members of pamvaMacroBlockInfo
+ // pamvaMacroBlockInfo is an IN parameter which is array (of length dwNumBlocks) of structures
+ // only valid to call this after the pins are connected
+ HRESULT Execute(
+ [in] DWORD dwFunction,
+ [in] LPVOID lpPrivateInputData,
+ [in] DWORD cbPrivateInputData,
+ [in] LPVOID lpPrivateOutputDat,
+ [in] DWORD cbPrivateOutputData,
+ [in] DWORD dwNumBuffers,
+ [in] const AMVABUFFERINFO *pamvaBufferInfo);
+
+ // query the decode status of a particular decompression operation
+ // dwTypeIndex and dwBufferIndex define the buffer whose status is
+ // being queried
+ HRESULT QueryRenderStatus([in] DWORD dwTypeIndex,
+ [in] DWORD dwBufferIndex,
+ [in] DWORD dwFlags);
+
+ // display a frame. The mediasample contains the timestamps etc for the frame to be displayed
+ // this call is a non-blocking call
+ // only valid to call this after the pins are connected
+ HRESULT DisplayFrame([in] DWORD dwFlipToIndex, [in] IMediaSample *pMediaSample);
+};
+
+
+
+
+
+