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Gets the length of the valid data in the buffer.
#include "ltmm.h"
| Language | Syntax |
|---|---|
| C | HRESULT IltmmMediaSampleDisp_get_ActualDataLength(pMediaSampleDisp, pVal) |
| C++ | HRESULT get_ActualDataLength(pVal) |
Pointer to an IltmmMediaSampleDisp interface.
Pointer to a variable to be updated with the length of the valid data, in bytes.
| 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. |
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.
Win32, x64.
| Language | Example |
|---|---|
| C | Copying ltmmMediaSample attributes and data |
| C++ | Copying ltmmMediaSample attributes and data |
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