IltmmMediaSampleDisp::get_ActualDataLength

Summary

Gets the length of the valid data in the buffer.

Syntax

#include "ltmm.h"

Language Syntax
C HRESULT IltmmMediaSampleDisp_get_ActualDataLength(pMediaSampleDisp, pVal)
C++ HRESULT get_ActualDataLength(pVal)

Parameters

IltmmMediaSampleDisp *pMediaSampleDisp

Pointer to an IltmmMediaSampleDisp interface.

long *pVal

Pointer to a variable to be updated with the length of the valid data, in bytes.

Returns

Value Meaning
S_OK The function was successful.
<> S_OK An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.

Comments

The value retrieved in the pVal parameter should be less than the length of the entire buffer. To get the length of the entire buffer, use the IltmmMediaSampleDisp::get_BufferSize function.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

Language Example
C Copying ltmmMediaSample attributes and data
C++ Copying ltmmMediaSample attributes and data
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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.