Inside Macintosh: QuickTime /

Chapter 2 - Movie Toolbox / Movie Toolbox Reference

Functions That Modify Movie Properties / Working With Media Time

GetMediaDuration

The GetMediaDuration function returns the duration of a media.

pascal TimeValue GetMediaDuration (Media theMedia);

theMedia

Specifies the media for this operation. Your application obtains this media identifier from such Movie Toolbox functions as NewTrackMedia and GetTrackMedia (described on page 2-138 and page 2-190, respectively).

DESCRIPTION

The GetMediaDuration function returns a time value. This time value indicates the media's duration, and it is expressed in the time scale of the media.

ERROR CODES

invalidMedia

-2008

This media is corrupted or invalid