Use crf instead bitrate.

Entry.cs

@@ -69,7 +69,7 @@ namespace Parser
                 Console.WriteLine($"{filePath} WILL be parsed!");
 
                 File.Delete(newFileName);
-                await _commandService.RunCommand("ffmpeg", $@"-i ""{filePath}"" -codec:a copy -codec:v {coder} -b:v 16M ""{newFileName}""", folder, getOutput: false);
+                await _commandService.RunCommand("ffmpeg", $@"-i ""{filePath}"" -codec:a copy -codec:v {coder} -crf 20 ""{newFileName}""", folder, getOutput: false);
 
                 if (File.Exists(newFileName))
                 {