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IDvdControl2::SelectSubpictureStream

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Microsoft DirectShow 9.0

IDvdControl2::SelectSubpictureStream

The SelectSubpictureStream method sets the subpicture stream to display.

Syntax

  HRESULT SelectSubpictureStream(
  ULONG ulSubPicture,
  DWORD dwFlags,
  IDvdCmd **ppCmd
);

Parameters

ulSubPicture

Value that specifies the subpicture stream, which must be from 0 through 31, or 63.

Value Description
0-31 The stream is valid.
63 The stream is the dummy stream, which means it is a muted, low-bitrate stream.

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 ulSubPicture is out of range or doesn't correspond to an SP stream.
E_UNEXPECTED The ulSubPicture parameter is valid, but DVD Navigator cannot set it for some other reason.
VFW_E_DVD_OPERATION_INHIBITED UOP control prohibits the operation.
VFW_E_DVD_INVALIDDOMAIN Invalid domain.
VFW_E_DVD_STREAM_DISABLED The specified stream is disabled.

Remarks

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
Sub-picture_Stream_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