Compartilhar via

IDvdControl2::PlayChapter

  • Artigo
 
Microsoft DirectShow 9.0

IDvdControl2::PlayChapter

The PlayChapter method starts playback from the specified chapter in the current title.

Syntax

  HRESULT PlayChapter(
  ULONG ulChapter,
  DWORD dwFlags,
  IDvdCmd **ppCmd
);

Parameters

ulChapter

[in] Value that specifies the chapter in the current title where the DVD Navigator will start playback; this value must be from 1 through 999.

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.
VFW_E_DVD_OPERATION_INHIBITED UOP control prohibits the operation.
E_INVALIDARG Invalid argument.

Remarks

The DVD Navigator begins playback at the specified chapter and continues to the subsequent chapters. Use IDvdControl2::PlayChaptersAutoStop to play the current chapter only.

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

This method is demonstrated in the DVDSample application in CDvdCore::PlayChapter.

Annex J Command Name Valid Domains
PTT_Search DVD_DOMAIN_Title

Requirements

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

Library: Use Strmiids.lib.

See Also