USBD_STREAM_INFORMATION structure (usb.h)
The USBD_STREAM_INFORMATION structure stores information about a stream associated with a bulk endpoint.
Syntax
typedef struct _USBD_STREAM_INFORMATION {
USBD_PIPE_HANDLE PipeHandle;
ULONG StreamID;
ULONG MaximumTransferSize;
ULONG PipeFlags;
} USBD_STREAM_INFORMATION, *PUSBD_STREAM_INFORMATION;
Members
PipeHandle
An opaque handle to the stream.
StreamID
Stream identifier. The open-static streams request obtains stream identifiers that are assigned by the USB driver stack.
MaximumTransferSize
Maximum transfer size (in bytes) that a client driver can send in a single URB for an I/O transfer to the stream.
PipeFlags
Reserved. Do not use.
Remarks
A client driver allocates an array of USBD_STREAM_INFORMATION structures and sends it in an open-streams request (URB_FUNCTION_OPEN_STATIC_STREAMS). Upon completion, the USB driver stack retrieves stream information and populates each USBD_STREAM_INFORMATION structure with stream information. The stream identifiers returned by the request are sequential and start at 1.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8 |
| Header | usb.h |