// avcstrm.h

typedef struct _AVCSTRM_BUFFER_STRUCT {
  BOOL             ClockProvider;
  HANDLE           ClockHandle;
  PKSSTREAM_HEADER StreamHeader;
  PVOID            FrameBuffer;
  PVOID            Context;
} AVCSTRM_BUFFER_STRUCT, *PAVCSTRM_BUFFER_STRUCT;
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Windows Driver Kit DDI reference (ns-avcstrm-_avcstrm_buffer_struct)

_AVCSTRM_BUFFER_STRUCT structure

Description

The AVCSTRM_BUFFER_STRUCT structure describes a buffer to be submitted to avcstrm.sys for read or write operations.

Members

`ClockProvider`

Indicates whether the subunit driver itself serves as a clock provider. This is TRUE if this stream also serves as a clock provider, Otherwise, this is FALSE.

`ClockHandle`

Specifies a handle to a clock provider other than the subunit driver itself.

`StreamHeader`

Pointer to a kernel streaming header that describes a packet of data to be read from or written to a streaming driver pin.

`FrameBuffer`

Pointer to a nonpaged system-space virtual address for the buffer described by the MDL.

`Context`

Pointer to a client context value.

AVCSTRM_BUFFER_STRUCT - NtDoc