Inside Macintosh: QuickTime /

Chapter 2 - Movie Toolbox / Movie Toolbox Reference

Functions That Modify Movie Properties / Locating a Movie's Tracks and Media Structures

GetTrackMedia

The GetTrackMedia function allows you to determine the media that contains a track's sample data.

pascal Media GetTrackMedia (Track theTrack);

theTrack

Specifies the track for this operation. Your application obtains this track identifier from such Movie Toolbox functions as NewMovieTrack and GetMovieTrack (described on page 2-136 and page 2-188, respectively).

DESCRIPTION

The GetTrackMedia function returns the media identifier that corresponds to the media that specifies the track's sample data. If the function could not locate the media, it sets this returned value to nil.

ERROR CODES

invalidTrack

-2009

This track is corrupted or invalid

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