Specifies which bytes are encrypted in a protected video surface.
Syntax
typedef struct _D3DENCRYPTED_BLOCK_INFO {
UINT NumEncryptedBytesAtBeginning;
UINT NumBytesInSkipPattern;
UINT NumBytesInEncryptPattern;
} D3DENCRYPTED_BLOCK_INFO;
Members
-
NumEncryptedBytesAtBeginning
-
The number of bytes that are encrypted at the start of the buffer.
-
NumBytesInSkipPattern
-
The number of bytes that are skipped after the first NumEncryptedBytesAtBeginning bytes, and then after each block of NumBytesInEncryptPattern bytes. Skipped bytes are not encrypted.
-
NumBytesInEncryptPattern
-
The number of bytes that are encrypted after each block of skipped bytes.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 7 [desktop apps only] |
| Minimum supported server |
Windows Server 2008 R2 [desktop apps only] |
| Header |
|
See also