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IAsyncReader::SyncReadAligned (Windows Embedded CE 6.0)

1/6/2010

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

Windows Embedded CE Windows CE 2.12 and later
Note Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements
For more information, see Setting Up the Build Environment, Version 2.12 requires DXPAK 1.0 or later

See Also

Reference

IAsyncReader Interface