Inside Macintosh: QuickTime /

Chapter 2 - Movie Toolbox / Movie Toolbox Reference

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

GetMediaTrack

The GetMediaTrack function allows you to determine the track that uses a specified media.

pascal Track GetMediaTrack (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 GetMediaTrack function returns the track identifier of the track that uses the media. If the function cannot determine the track that uses the media, it sets this
value to nil.

ERROR CODES

invalidMedia

-2008

This media is corrupted or invalid