Curious QT playback problem

[Joe Lewis Wilkins]

Jacque,

Sounds as if the same sort of thing is occuring as when we call  
multiple beeps and only hear one unless we build in a delay. Why not  
try playing several from the message box with a built in delay when  
one ends? I'm probably being a bit naive, but sometimes the simplest  
things are true. It seems obvious that speed enters the equation  
someway.

Joe Wilkins

On Jun 6, 2007, at 7:59 PM, J. Landman Gay wrote:

> I'm hoping someone has a clue to this:
>
> I wrote an app for a client 3 years ago which has the ability to  
> loop through a list of .mov files, playing one after another in  
> sequence. The .mov files are audio-only, played via a player  
> object, and require QuickTime. In the Rev version I compiled it  
> with, there was a bug where a playStopped message was not sent at  
> the end of playback, so to work around that the script gets the  
> currentTime, checks every 250 milliseconds, and when the  
> currentTime remains unchanged, assumes the playback is done. Then  
> it moves on to the next file.
>
> This has been working fine on both Mac and Windows machines for  
> several hundred customers over the last 3 years until today, when  
> one customer says there is a playback problem. She's running XP Pro  
> on a fast machine with lots of RAM. When she chooses to play a  
> sequence, it loops through them all very fast, with no playback of  
> any kind, until it hits the last one in the list which it then  
> plays. It almost sounds like it isn't loading the .mov files.
>
> The thing is, she can play each file fine by manually choosing it  
> from a list, so the problem isn't with missing or bad files. They  
> only fail when played in a sequence. And it only fails for her.
>
> She installed the program on her husband's XP machine and it works  
> fine there. The only difference she can think of between the two is  
> that he has the free version of QuickTime and she has QuickTime  
> Pro. I'm not sure this matters, since the files all play okay  
> individually and, as I understand it, the QT framework is identical.
>
> Any ideas what would stop playback on that one, single machine?
>
> -- 
> Jacqueline Landman Gay         |     jacque at hyperactivesw.com
> HyperActive Software           |     http://www.hyperactivesw.com
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