Partager via


IMediaSeeking::IsFormatSupported (Compact 2013)

3/26/2014

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

Header

dshow.h

Library

Strmiids.lib

See Also

Reference

IMediaSeeking