IAVTransport::Seek (Windows Embedded CE 6.0)
1/6/2010
This method begins seeking through the media associated with this AVTransport instance, using the specified seek unit and seek target.
Syntax
virtual DWORD Seek(
LPCWSTR pszUnit,
LPCWSTR pszTarget
) = 0;
Parameters
- pszUnit
[in] Type of seek operation, like seeking by track, by frame, and so on. Contains one of the SeekMode constants. Corresponds to the A_ARG_TYPE_SeekMode state variable.
- pszTarget
[in] Seek target, in units defined by the pszUnit parameter. Corresponds to the A_ARG_TYPE_SeekTarget state variable.
Return Value
Custom implementations can return appropriate error codes. Should return SUCCESS_AV if the method succeeds. Otherwise, should return an error code defined in WinError.h or UPnP.h, or one of the UPnP AV-specific return values specified in UPnPAVError, especially the following errors documented for this action in the AVTransport DCP documentation:
- ERROR_AV_UPNP_AVT_INVALID_TRANSITION
- ERROR_AV_UPNP_AVT_TRANSPORT_LOCKED
- ERROR_AV_UPNP_AVT_UNSUPPORTED_SEEK_MODE
- ERROR_AV_UPNP_AVT_ILLEGAL_SEEK_TARGET
- ERROR_AV_UPNP_AVT_INVALID_INSTANCE_ID
Remarks
This method corresponds to the AVTransport service's Seek action.
For more information about the actions in the AVTransport service, see UPnP AV DCP Documentation.
Requirements
| Header | av_upnp.h |
| Library | Av_upnp.lib |
| Windows Embedded CE | Windows CE 5.0 and later |