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IDvdControl2::SelectAngle

  • Artigo
 
Microsoft DirectShow 9.0

IDvdControl2::SelectAngle

The SelectAngle method sets the new angle when the DVD Navigator is in an angle block.

Syntax

  HRESULT SelectAngle(
  ULONG ulAngle,
  DWORD dwFlags,
  IDvdCmd **ppCmd
);

Parameters

ulAngle

[in] Value of the new angle, which must be from 1 through 9.

dwFlags

[in] Bitwise OR of one or more flags from the DVD_CMD_FLAGS enumeration, specifying how to synchronize the command.

ppCmd

[out] Receives a pointer to an IDvdCmd object that can be used to synchronize DVD commands. The caller must release the interface. This parameter can be NULL. For more information, see Synchronizing DVD Commands.

Return Values

Returns one of the following values.

Return code Description
S_OK Success.
E_INVALIDARG ulAngle is out of range.
VFW_E_DVD_INVALIDDOMAIN The DVD Navigator is in the First Play domain.
VFW_E_DVD_OPERATION_INHIBITED UOP control prohibits the operation.
VFW_E_DVD_WRONG_SPEED The operation cannot be performed at the current playback speed. Set the speed to 1.0.

Remarks

Note that angle and menu button indexes are one-based while audio stream and subpicture stream indexes are zero-based.

The following table shows the Annex J command name to which this method name corresponds, and the domains in which this method is valid.

Annex J Command Name Valid Domains
Angle_Change DVD_DOMAIN_VideoManagerMenu
DVD_DOMAIN_VideoTitleSetMenu
DVD_DOMAIN_Title
DVD_DOMAIN_Stop

Requirements

Header: Declared in Strmif.h; include Dshow.h.

Library: Use Strmiids.lib.

See Also