Re: QTMovie movieWithFile takes a long time
Re: QTMovie movieWithFile takes a long time
- Subject: Re: QTMovie movieWithFile takes a long time
- From: "douglas a. welton" <email@hidden>
- Date: Mon, 24 Apr 2006 09:42:31 -0400
GetMovieLoadState() is your friend...
On Apr 24, 2006, at 4:39 AM, Pierre-Loïc Raynaud wrote:
Hi List,
I'm not sure if this should be asked to this list or the quicktime
list, but here we go :
I'm using QTMovie's +movieWithFile:error: to create a QTMovie
object from a file.
For some movies, this can be very long... I have some MPEG2 Movies
(10 min long) on which this call may last over 20 seconds.
(...)
NSString* path = [self valueForKey:@"movieURL"];
QTMovie* myMovie = [QTMovie movieWithFile:path error:&vErr];
(...)
Note that this seems to be "normal", QuickTime player is almost as
slow as my app for openning the document.
I would like to be able to provide some feedback to the user,
ideally with a progress bar. But as I don't have any reference to
the QTMovie yet, it does not seem possible using QTKit API.
Is there any way of doing this ? QuickTime Player does not show any
progress bar either.
Perhaps the Quicktime API has some callbacks that I could use and
then use QTMovie's +movieWithQuickTimeMovie ? Or would it be
possible to call QTMovie's +movieWithFile:error from a separate
thread and have an indefinite progressbar running in the main
thread ? I don't know if that call is thread safe.
Any pointers would be appreciated.
TIA.
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