MediaStreamSampleProtectionProperties.GetSubSampleMapping(Byte[]) Method
Definition
Important
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Gets the Digital Rights Management (DRM) sub-sample mapping from the MediaStreamSample.
void GetSubSampleMapping([Out] winrt::array_view <byte> const& & value);public void GetSubSampleMapping(out byte[] value);Public Sub GetSubSampleMapping (ByRef value As Byte())Parameters
- value
-
Byte[]
byte[]
Receives the sub-sample mapping.
Remarks
The sub-sample mapping is used when only portions of the data contained in the MediaStreamSample is encrypted. The sub-sample mapping specifies which parts are encrypted and which are in the clear. The syntax of the sub-sample mapping data is specific to each individual Digital Rights Management (DRM) protection scheme.