#include "ltmm.h"
C Syntax |
HRESULT IltmmMediaSampleDisp_get_ActualDataLength(pMediaSampleDisp, pVal) |
C++ Syntax |
HRESULT get_ActualDataLength(pVal) |
IltmmMediaSampleDisp *pMediaSampleDisp; |
/* pointer to an interface */ |
long *pVal; |
/* pointer to a variable */ |
Gets the length of the valid data in the buffer.
Parameter |
Description |
pMediaSampleDisp |
Pointer to an IltmmMediaSampleDisp interface. |
pVal |
Pointer to a variable to be updated with the length of the valid data, in bytes. |
Returns
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
LTMM For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Win32, x64
See Also
Example
For a C example, refer to Copying ltmmMediaSample attributes and data for C.
For a C++ example, refer to Copying ltmmMediaSample attributes and data for C++.