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Add usage of progress to SimpleVideoFileFilter example.
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@qfish
qfish committed Apr 20, 2014
1 parent 5e004b8 commit 1681892
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Showing 3 changed files with 70 additions and 149 deletions.
2 changes: 2 additions & 0 deletions ...les/iOS/SimpleVideoFileFilter/SimpleVideoFileFilter/SimpleVideoFileFilterViewController.h
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Original file line number Diff line number Diff line change
Expand Up @@ -6,8 +6,10 @@
GPUImageMovie *movieFile;
GPUImageOutput<GPUImageInput> *filter;
GPUImageMovieWriter *movieWriter;
NSTimer * timer;
}

@property (retain, nonatomic) IBOutlet UILabel *progressLabel;
- (IBAction)updatePixelWidth:(id)sender;

@end
21 changes: 21 additions & 0 deletions ...les/iOS/SimpleVideoFileFilter/SimpleVideoFileFilter/SimpleVideoFileFilterViewController.m
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Original file line number Diff line number Diff line change
Expand Up @@ -51,14 +51,31 @@ - (void)viewDidLoad
[movieWriter startRecording];
[movieFile startProcessing];

timer = [NSTimer scheduledTimerWithTimeInterval:0.3f
target:self
selector:@selector(retrievingProgress)
userInfo:nil
repeats:YES];

[movieWriter setCompletionBlock:^{
[filter removeTarget:movieWriter];
[movieWriter finishRecording];

dispatch_async(dispatch_get_main_queue(), ^{
[timer invalidate];
self.progressLabel.text = @"100%";
});
}];
}

- (void)retrievingProgress
{
self.progressLabel.text = [NSString stringWithFormat:@"%d%%", (int)(movieFile.progress * 100)];
}

- (void)viewDidUnload
{
[self setProgressLabel:nil];
[super viewDidUnload];
}

Expand All @@ -73,4 +90,8 @@ - (IBAction)updatePixelWidth:(id)sender
[(GPUImagePixellateFilter *)filter setFractionalWidthOfAPixel:[(UISlider *)sender value]];
}

- (void)dealloc {
[_progressLabel release];
[super dealloc];
}
@end
196 changes: 47 additions & 149 deletions ...s/iOS/SimpleVideoFileFilter/SimpleVideoFileFilter/SimpleVideoFileFilterViewController.xib
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Original file line number Diff line number Diff line change
@@ -1,149 +1,47 @@
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