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

See Also

Reference

IAVTransport
SeekMode
UPnPAVError