public void GetAudio([FromBody] string path) { var fileName = path.Split("/").Last(); var fileNameWithoutExtension = Path.GetFileNameWithoutExtension(fileName); var dir = workingPath + "Audios" + Path.DirectorySeparatorChar; if (!Directory.Exists(dir)) { Directory.CreateDirectory(dir); } var pathToWav = dir + fileNameWithoutExtension + ".wav"; _ffmpeg.GetAudioFromVideo(path, pathToWav); }