I should have been clear about my question. Sorry about that. The problem I am having is that when the resulting movie is saved it has a duration of 0 and not even the first frame shows. So basically although my print out actually said things were being added it says they are added as tracks and the overall duration remains 0. What am I doing wrong to cause this?

On Sep 3, 2009, at 6:56 PM, Development wrote:

I'm newish to the QTKit. I'm trying to init a movie object then place frames in individually. Each frame is an NSImage.

Here is the code I'm using:

qtMovieObject = [QTMovie movie]; //this is defined with the app starts up


Then for each frame:

NSImage * screenImage = [[NSImage alloc]initWithCGImage:theFrame];

NSDictionary* movieAttributes = [NSDictionary dictionaryWithObjectsAndKeys: @"tiff", QTAddImageCodecType, [NSNumber numberWithLong: codecHighQuality],QTAddImageCodecQuality, nil];

[qtMovieObject addImage:screenImage forDuration:QTMakeTimeWithTimeInterval(fps) withAttributes:movieAttributes]; //[[screenImage TIFFRepresentation]writeToFile:[NSString stringWithFormat:@"%@/%i.tif",tmpPath,frameNum]
                // atomically:YES];
        [qtMovieObject updateMovieFile];
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