Recording on Windows not able to play

[mobilevvdn]

Describe the bug
I am using this player for streaming RTSP video its working good but now i want to record the video but not able to play in any player. I am able to create the recorded video file in mp4 formate but not able to play. Can you help me on this ?
If you want any missing code do let me know

Minimal reproducible code

void startRecording() async {
  try {
    final fileName = "recording_${DateTime.now().millisecondsSinceEpoch}.mp4";
    final directory = Directory("C:\\Users\\vvsa\\Pictures\\Screenshots");
    final file = File('${directory.path}\\$fileName');
    record = Record.create(id: 0, media: Media.network('Url of the video'), savingFile: file);
    record.start();
  } catch (e) {
    print('Error starting recording: $e');
  }
}

Operating system:

• Windows1 1.

Note: Its encoding issue while i am searching on the internet but how to do proper encoding?