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[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]
Note This interface is deprecated. New applications should not use it.
GetActualDataLength method retrieves the data length of the sample, in bytes.
Syntax
long GetActualDataLength();
Return value
Returns the data length of the sample, in bytes.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | amstream.h |