Inside Macintosh: QuickTime /

Chapter 2 - Movie Toolbox / Movie Toolbox Reference

Functions for Editing Movies / Low-Level Movie-Editing Functions

ScaleMovieSegment

The ScaleMovieSegment function changes the duration of a segment of a movie. The Movie Toolbox scales the segment to accommodate the new duration.

pascal OSErr ScaleMovieSegment (Movie theMovie, TimeValue in,
                                 TimeValue oldDuration, 
                                 TimeValue newDuration);

theMovie

Specifies the movie for this operation. Your application obtains this movie identifier from such functions as NewMovie, NewMovieFromFile, and NewMovieFromHandle (described on page 2-80, page 2-76, and page 2-78, respectively).

in

Specifies the start of the segment. The oldDuration parameter specifies the segment's duration. This time value must be expressed in the movie's time scale.

oldDuration

Specifies the duration of the segment in the source movie. This time value must be expressed in the movie's time scale.

newDuration

Specifies the new duration of the segment. This time value must be expressed in the movie's time scale. The function alters the segment to accommodate the new duration.

ERROR CODES

invalidMovie	-2010	This movie is corrupted or invalid
invalidDuration	-2014	This duration value is invalid
invalidTime	-2015	This time value is invalid

Memory Manager errors