QTKit : Creating and saving a movie Reference to an URL
QTKit : Creating and saving a movie Reference to an URL
- Subject: QTKit : Creating and saving a movie Reference to an URL
- From: "Pascal Vuylsteker" <email@hidden>
- Date: Thu, 16 Nov 2006 12:58:18 +0100
Using QTKit, I want to build a small utility that will create a
quicktime file which should just be a reference to a media (mpeg layer
2 file) on a server.
Here is what I did :
// Creation of a QTMovie from a data reference
QTMovie *movie = [[QTMovie movieWithDataReference:[QTDataReference
dataReferenceWithReferenceToURL:[NSURL
URLWithString:@"http://localhost/test/128P00103_01.MPA";]]
error:&theError] retain];
// Little check : it seems to work until there :
NSLog([NSString stringWithFormat:@"A movie was created pointing to
URL : %@", [[movie attributeForKey:QTMovieURLAttribute]
absoluteString]]);
// Then save the movie file as a non flattened movie (containing just
the reference)
NSMutableDictionary *savedMovieAttributes = [NSDictionary
dictionaryWithObject:[NSNumber numberWithBool:NO]
forKey:QTMovieFlatten];
if([movie writeToFile:@"/Users/pvk/Desktop/movie-ref.mov"
withAttributes:savedMovieAttributes])
NSLog(@"The movie was written to file /Users/pvk/Desktop/movie-ref.mov");
else
NSLog(@"Bug when writing the file /Users/pvk/Desktop/movie-ref.mov");
Here, I keep getting the "Bug when writing the file..."
When I open a local file, the code works well (save the file with a
correct, but local, reference), so I guess QTKit is trying to load the
remote file and refuse to save until it is loaded. But I do not want
to load that remote file : I just want to create a reference movie...
---
Pascal Vuylsteker - http://www.vrarchitect.net/
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