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DVD Event Notification Codes

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[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]

This section lists the event notification codes for DVD playback and navigation in DirectShow.

For information about receiving events in DirectShow, see Event Notification in DirectShow.

For other non-DVD event codes, see Event Notification Codes.

Event notification code Description
EC_DVD_ANGLE_CHANGE Signals that either the number of available angles changed or that the current angle number changed.
EC_DVD_ANGLES_AVAILABLE Indicates whether an angle block is being played and angle changes can be performed.
EC_DVD_AUDIO_STREAM_CHANGE Signals that the current audio stream number changed for the main title.
EC_DVD_BeginNavigationCommands Sent when a set of DVD navigation commands are starting.
EC_DVD_BUTTON_AUTO_ACTIVATED Signals that a menu button has been automatically activated per instructions on the disc.
EC_DVD_BUTTON_CHANGE Signals that either the number of available buttons changed or that the currently selected button number changed.
EC_DVD_CHAPTER_AUTOSTOP Indicates that playback stopped as the result of a call to the IDvdControl2::PlayChaptersAutoStop method.
EC_DVD_CHAPTER_START Signals that the DVD Navigator started playback of a new chapter in the current title.
EC_DVD_CMD_START Signals that a particular command has begun.
EC_DVD_CMD_END Signals that a particular command has completed.
EC_DVD_CURRENT_HMSF_TIME Signals the current time in DVD_HMSF_TIMECODE format at the beginning of every video object unit (VOBU).
EC_DVD_CURRENT_TIME Signals the beginning of every VOBU.
EC_DVD_DISC_EJECTED Signals that a disc has been ejected from the drive.
EC_DVD_DISC_INSERTED Signals that a disc has been inserted into the drive.
EC_DVD_DOMAIN_CHANGE Indicates the DVD Navigator's new domain.
EC_DVD_ERROR Signals a DVD error condition.
EC_DVD_GPRM_Change Sent when the value of a general parameter register (GPRM) changes.
EC_DVD_KARAOKE_MODE Indicates that the Navigator has either begun playing or finished playing karaoke data.
EC_DVD_NavigationCommand Sent when the DVD Navigator processes a DVD navigation command.
EC_DVD_NO_FP_PGC Indicates that the DVD disc does not have a FP_PGC (First Play Program Chain).
EC_DVD_PARENTAL_LEVEL_CHANGE Signals that the parental level of the authored content is about to change.
EC_DVD_PLAYBACK_RATE_CHANGE Indicates that a playback rate change has been initiated and the new rate is in the parameter.
EC_DVD_PLAYBACK_STOPPED Indicates that playback has been stopped. The DVD Navigator has completed playback of the title and did not find any other branching instruction for subsequent playback.
EC_DVD_PLAYPERIOD_AUTOSTOP Indicates that the Navigator has finished playing the segment specified in a call to PlayPeriodInTitleAutoStop.
EC_DVD_PROGRAM_CELL_CHANGE Sent when the DVD program number or cell number changes.
EC_DVD_PROGRAM_CHAIN_CHANGE Sent when current program chain (PGC) changes.
EC_DVD_SPRM_Change Sent when the value of a system parameter register (SPRM) changes.
EC_DVD_STILL_OFF Signals the end of any still.
EC_DVD_STILL_ON Signals the beginning of any still.
EC_DVD_SUBPICTURE_STREAM_CHANGE Signals that the current subpicture stream number changed for the main title.
EC_DVD_TITLE_SET_CHANGE Sent when current Video Title Set (VTS) changes.
EC_DVD_TITLE_CHANGE Indicates when the current title number changes.
EC_DVD_VALID_UOPS_CHANGE Signals that the available set of IDvdControl2 interface methods has changed.
EC_DVD_VOBU_Offset Sent when the DVD Navigator parses a PCI packet.
EC_DVD_VOBU_Timestamp Sent when the DVD Navigator parses a PCI packet.
EC_DVD_WARNING Signals a DVD warning condition.

 

Constants and GUIDs