IAsyncReader::SyncReadAligned (Compact 2013)
3/26/2014
This method performs a synchronous read of the data.
Syntax
HRESULT SyncReadAligned(
IMediaSample* pSample
);
Parameters
- pSample
Sample to read.
Return Value
Returns an HRESULT value that depends on the implementation of the interface. Current DirectShow implementation return values include the following.
Value |
Description |
---|---|
VFW_E_BADALIGN |
An invalid alignment was specified. |
HRESULT_FROM_WIN32 |
Win32 error. |
S_FALSE |
Size changed (probably due to end of file). |
S_OK |
Success. |
Remarks
The sample passed in must have been acquired from the agreed allocator. The start and stop positions must be aligned equivalent to an IAsyncReader::Request/IAsyncReader::WaitForNext pair, but may avoid the need for a thread on the source filter.
Requirements
Header |
dshow.h |
Library |
Strmiids.lib |