Unable to convert .mov video to mp4 format in iOS 13

On a device running iOS 13, [exportSession exportAsynchronouslyWithCompletionHandler: always fails with message "The operation could not be completed" while converting .MOV video to mp4. However, the same code runs fine on iOS prior to 13 i.e 12. I am pasting below my complete method:


- (void)encodeVideo:(NSString *)videoURL
{
// Create the asset url with the video file
AVURLAsset *avAsset = [AVURLAsset URLAssetWithURL:[NSURL fileURLWithPath:videoURL] options:nil];
NSArray *compatiblePresets = [AVAssetExportSession exportPresetsCompatibleWithAsset:avAsset];
// Check if video is supported for conversion or not
if ([compatiblePresets containsObject: AVAssetExportPresetLowQuality])
{
//Create Export session
AVAssetExportSession *exportSession = [[AVAssetExportSession alloc]initWithAsset:avAsset presetName:AVAssetExportPresetLowQuality];
//Creating temp path to save the converted video
NSString* documentsDirectory= [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
NSString* myDocumentPath= [documentsDirectory stringByAppendingPathComponent:@"temp.mp4"];
NSURL *url = [[NSURL alloc] initFileURLWithPath:myDocumentPath];
//Check if the file already exists then remove the previous file
if ([[NSFileManager defaultManager]fileExistsAtPath:myDocumentPath])
{
[[NSFileManager defaultManager]removeItemAtPath:myDocumentPath error:nil];
}
exportSession.outputURL = url;
//set the output file format if you want to make it in other file format (ex .3gp)
exportSession.outputFileType = AVFileTypeMPEG4;
exportSession.shouldOptimizeForNetworkUse = YES;
[exportSession exportAsynchronouslyWithCompletionHandler:^{
switch ([exportSession status])
{
case AVAssetExportSessionStatusFailed:
NSLog(@"Export session failed");
break;
case AVAssetExportSessionStatusCancelled:
NSLog(@"Export canceled");
break;
case AVAssetExportSessionStatusCompleted:
{
//Video conversion finished
NSLog(@"Successful!");
}
break;
default:
break;
}
}];
}
else
{
NSLog(@"Video file not supported!");
}
}

1.

Create Folder -

let filePath = documentDirectory.appendingPathComponent("FolderName")

if !fileManager.fileExists(atPath: filePath.path) {

do {

try fileManager.createDirectory(atPath: filePath.path, withIntermediateDirectories: true, attributes: nil)

} catch {

print(error.localizedDescription)

return nil

}

}


2.

Let url = videoURL

destinationURL = filePath.appendingPathComponent("filename.mp4")

url.startAccessingSecurityScopedResource()

do {

try FileManager.default.copyItem(at: url, to: destinationURL)

} catch {

Logging.Log.error("EncodeVideo failed \(error.localizedDescription)")

}

url.startAccessingSecurityScopedResource()



3. Start Mov to MP4 now it is working.

Unable to convert .mov video to mp4 format in iOS 13
 
 
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