IMediaSeeking::IsFormatSupported (Windows CE 5.0)
This method determines if a specified time format is supported.
HRESULT IsFormatSupported(const GUID* pFormat);
Parameters
- pFormat
[in] Time format to compare.
Return Values
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
DirectShow applications and DirectShow filters have different include file and link library requirements.
For more information, see Setting Up the Build Environment.
Pocket PC: Windows Mobile 5.0 and later
Smartphone: Windows Mobile 5.0 and later
OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
See Also
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