This answer has been completely rewritten and annotated to support Swift 4.0. Keep in mind that changing the AVFileType and presetName values allows you to tweak the final output in terms of size and quality. import AVFoundation extension ViewController: AVCaptureFileOutputRecordingDelegate { // Delegate function has been updated func fileOutput(_ output: AVCaptureFileOutput, didFinishRecordingTo outputFileURL: URL, from … Read more
Thank god, thanks to @user_0 answer and @user3494351’s cryptic answer and comment and this ancient forum post I finally figured this out after several hours of banging my head against the wall. The issue is that BCP likes to add an extra 8 bytes to the file by default. This corrupts the file and makes … Read more
I check Header PDF like this: public bool IsPDFHeader(string fileName) { byte[] buffer = null; FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read); BinaryReader br = new BinaryReader(fs); long numBytes = new FileInfo(fileName).Length; //buffer = br.ReadBytes((int)numBytes); buffer = br.ReadBytes(5); var enc = new ASCIIEncoding(); var header = enc.GetString(buffer); //%PDF−1.0 // If you are loading it into … Read more