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IMediaSeeking::IsFormatSupported (Windows Embedded CE 6.0)

1/6/2010

This method determines if a specified time format is supported.

Syntax

HRESULT IsFormatSupported(
  const GUID* pFormat
);

Parameters

  • pFormat
    [in] Time format to compare.

Return Value

Returns an HRESULT value that depends on the implementation of the interface.

The default DirectShow implementation returns S_OK if the time format is supported; otherwise returns S_FALSE.

Remarks

Time formats are defined as follows.

Format Description

TIME_FORMAT_NONE

Seeking is not supported.

TIME_FORMAT_FRAME

Seeks to specific video frames.

TIME_FORMAT_SAMPLE

Seeks to samples in the stream.

TIME_FORMAT_FIELD

Seeks to interlaced video fields.

TIME_FORMAT_BYTE

Seeks to a byte in the stream.

TIME_FORMAT_MEDIA_TIME

Seeks to time stamps on the media samples.

Third-party vendors are encouraged to add their own time formats to this list.

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

IMediaSeeking Interface