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POUIImagepickercontroller: converting to low quality video error
 

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  1. POUIImagepickercontroller: converting to low quality video error
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    <p>I am getting inputurl <code>[info objectForKey:UIImagePickerControllerMediaURL]</code> from UIImagepickercontroller's <code>didFinishPickingMediaWithInfo</code>'s method. </p> <pre><code>NSURL *inputURL = [NSURL URLWithString:inputurlstring]; </code></pre> <p>I am giving outputurl from this code </p> <pre><code> NSString *documentsDirectory = [paths objectAtIndex:0]; NSString *videoPath = [NSString stringWithFormat:@"%@/%@", documentsDirectory,@"capturedvideo.MOV"]; NSURL *outputURL = [NSURL fileURLWithPath:videoPath]; </code></pre> <p>I used the following code to get low quality video </p> <pre><code> - (void)convertVideoToLowQuailtyWithInputURL:(NSURL*)inputURL outputURL:(NSURL*)outputURL handler:(void (^)(AVAssetExportSession*))handler { [[NSFileManager defaultManager] removeItemAtURL:outputURL error:nil]; AVURLAsset *asset = [AVURLAsset URLAssetWithURL:inputURL options:nil]; AVAssetExportSession *exportSession = [[AVAssetExportSession alloc] initWithAsset:asset presetName:AVAssetExportPresetLowQuality]; exportSession.outputURL = outputURL; exportSession.outputFileType = AVFileTypeQuickTimeMovie; [exportSession exportAsynchronouslyWithCompletionHandler:^(void) { if (exportSession.status == AVAssetExportSessionStatusCompleted) { printf("completed\n"); } else { printf("error\n"); NSLog(@"error is %@",exportSession.error); } }]; } </code></pre> <p>I am getting following error when I use large files only. Because when I use small size video file I did not get any error.</p> <pre><code>Error Domain=NSURLErrorDomain Code=-1 "unknown error" UserInfo=0x616d890 {NSErrorFailingURLStringKey=/private/var/mobile/Applications/EE1E6701-EED0-4830-BD1D-7366680713C0/tmp//trim.7mL7VS.MOV, NSErrorFailingURLKey=/private/var/mobile/Applications/EE1E6701-EED0-4830-BD1D-7366680713C0/tmp//trim.7mL7VS.MOV, NSLocalizedDescription=unknown error, NSUnderlyingError=0x2d1460 "The operation couldn’t be completed. (OSStatus error -12935.)", NSURL=/private/var/mobile/Applications/EE1E6701-EED0-4830-BD1D-7366680713C0/tmp//trim.7mL7VS.MOV} </code></pre>
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    1. COAre you trimming the large video? It looks like the trim is being stored in a private folder.
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      1. USAlbert Renshaw
    2. COI am converting to low quality and I am storing in a document directory @AlbertRenshaw
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      1. USSuresh
    3. COWhy don't you just skip the conversion and set the videoQuality property on the UIImagePickerController to UIImagePickerControllerQualityTypeLow?
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      1. USKasper Welner
 

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