Hi Friends,
i found the strange behaviour while save the QTMovie to a file in a hard
drive..(example:Desktop)... it shows the different frame image than the
start time frame image as a preview in the desktop..... but if i open the
saved QTMovie in a "Quick Time Player" it shows the correct frame image at
the start time...
i suspect that it might be bug in cocoa ...
here is my code snippet for trim the original movie and save the trimmed
movie to a different file:
QTMovie *newmovie;
NSError *error = nil;
newmovie = [[QTMovie alloc] initToWritableData:[NSMutableData data]
error:&error];
[newmovie setAttribute:[NSNumber numberWithBool:YES] forKey:
QTMovieEditableAttribute];
QTTime starttime = QTMakeTimeWithTimeInterval(videostarttime);
QTTime duration = QTMakeTimeWithTimeInterval(currentclipduration);
QTTimeRange range = QTMakeTimeRange(starttime, duration);
[newmovie insertSegmentOfMovie:mvmovie timeRange:range atTime:QTZeroTime
];
NSDictionary *dictionary = [NSDictionary
dictionaryWithObjects:
[NSArray arrayWithObjects:
[NSNumber numberWithBool:YES],
[NSNumber numberWithBool:YES],
[NSNumber numberWithLong:kQTFileTypeMP4], //
TODO - allow to select the codec
nil]
forKeys:
[NSArray arrayWithObjects:
QTMovieFlatten, QTMovieExport,
QTMovieExportType, nil]];
NSString *fileextn,*underscore,*combinedstring;
clipcount++;
NSString *intString = [NSString stringWithFormat:@"%d", clipcount];
fileextn = @".MP4 ";
underscore = @"_";
intString = [intString stringByAppendingString:fileextn];
combinedstring = [underscore stringByAppendingString:intString];
NSString* filename ;
filename = [curFileName stringValue].stringByDeletingPathExtension;
filename = [filename stringByAppendingString:combinedstring];
NSString *result = [[NSHomeDirectory() stringByAppendingPathComponent:
@"Desktop"] stringByAppendingPathComponent:filename];
[newmovie writeToFile:result withAttributes:dictionary];
[newmovie release];
can anyone please help me to fix this problem?....i dont know what i did
wrong... execpt the "preview frame image of the saved QTMovie file all are
working as per the expectation...
Thanks & Regards,
Muthu
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