DVD Event Codes

The Windows Media Player control supports the following digital video disc (DVD) event notification codes.

DVD Event Notification Code	Value	Description
EC_DVD_ANGLE_CHANGE	262	Signals that either the number of available angles has changed, or the current user angle number has changed.
EC_DVD_ANGLES_AVAILABLE	275	Occurs when an angle block is being played and angle changes can be performed.
EC_DVD_AUDIO_STREAM_CHANGE	260	Signals that the current user audio stream number has changed for the main title.
EC_DVD_BUTTON_CHANGE	263	Signals that either the number of available buttons has changed, or the currently selected button number has changed.
EC_DVD_CHAPTER_AUTOSTOP	270	Indicates that playback has stopped as the result of a call to the ChapterPlayAutoStop method.
EC_DVD_CHAPTER_START	259	Signals that the DVD player has started playback of a new program in the TT_DOM domain.
EC_DVD_CURRENT_TIME	267	Signals the beginning of each video object unit (VOBU), which occurs every 0.4 to 1.0 seconds.
EC_DVD_DOMAIN_CHANGE	257	Indicates the DVD player's new domain.
EC_DVD_ERROR	268	Signals a DVD error condition.
EC_DVD_NO_FP_PGC	271	Signals that the DVD does not have a First Play Program Chain (FP_PGC) and that the DVD Navigator will not automatically load any program chain (PGC) or start playback.
EC_DVD_PLAYBACK_RATE_CHANGE	272	Signals that a rate change in the playback has been initiated.
EC_DVD_PLAYBACK_STOPPED	274	Indicates that playback has been stopped. The DVD Navigator has completed playback of the program chain (PGC) and did not find any other branching instruction for subsequent playback.
EC_DVD_STILL_OFF	266	Signals the end of any still (PGC, Cell, or VOBU).
EC_DVD_STILL_ON	265	Signals the beginning of any still (PGC, Cell, or VOBU).
EC_DVD_SUBPICTURE_STREAM_CHANGE	261	Signals that the current user subpicture stream number has changed for the main title.
EC_DVD_TITLE_CHANGE	258	Occurs when the current title number changes.
EC_DVD_VALID_UOPS_CHANGE	264	Signals that the available set of IDvdControl interface methods has changed.
EC_DVD_WARNING	269	Signals a DVD warning condition.