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How Can I Play an Unplayable Video From a CCTV Surveillance System?

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how to play an unplayable cctv video

Dear friends, welcome back! As promised in the introductory post to this series, today we’ll face one of the most basic and common issues found by investigators in their daily job: how to play unplayable CCTV videos effectively. It seems the easiest thing, but it turns out to be often hard with standard players, so keep reading.

Since I hate blogs where you are forced to read pages to find a simple solution, here is the spoiler: drag the file into Amped Replay. But now, please, read the rest so you know what’s going on 😉

The Issue with Playing Unplayable CCTV Videos

Have you ever struggled to play an unplayable CCTV video, encountering unfamiliar file formats with extensions like 264, ave, dat, dav, dv4, exe, irf, sec, ssa, vse, bu (yes: “bu“)? These proprietary formats often leave investigators and users frustrated with incompatible software.

You’re not being stupid, it’s a very common issue. The DVRs connected to most surveillance (CCTV) systems store the video in proprietary, non-standard formats. That is why VLC, Windows Media Player, and most consumer standard players won’t play unplayable CCTV videos correctly. Even if they do, the playback quality is often distorted.

Two Solutions

If you’re sitting in your office and need to see that footage, there are two solutions:

  • Find, install and use the proprietary player. However, this brings several issues: are you authorized to run/install an external executable on your PC? Are you sure it will reliably show the recorded pixels (quite often, it will not), and let you export them to a standard format without losing data (almost always, it will not)?
  • Use Amped’s conversion engine to reliably play unplayable CCTV video formats and extract the original pixels for you. Amped engineers work tirelessly to add more supported proprietary video formats with each update.

How Amped Replay Assists You In Playing Unplayable CCTV Vidoes

By “supporting” a video format, we mean that our conversion engine (which is shared between Amped Replay, Amped FIVE, and Amped DVRConv) tries to:

  • Extract the original video streams without any loss of quality due to re-compression;
  • Extract the original audio tracks, also at original quality;
  • Separate videos coming from different cameras automatically;
  • Read timestamps or time metadata and make them available in the player.

Sometimes we manage to achieve all of the above, sometimes only some of it. But most importantly, with Amped Replay, all of this will be automatically attempted as soon as you drag a video inside the software. This is shown in the example below.

You can also load files from Amped Replay’s Import tab, of course. We’ll see more about what this tab allows you to do in a future post!

Amped Replay  interface showing the Import tab highlighted with a blue arrow. The screen displays the directory browser on the left, file selector panel on the right with a listed .dv4 surveillance video file, and main navigation tabs across the top including Recent, Import, Play, Enhance, Redact, Annotate, and Export. This illustrates how to import CCTV or surveillance footage for forensic analysis.

Once the file is loaded, you can play it, scrub through it, move frame by frame, check the timestamp associated with each frame, and much more. Amped Replay makes it easy to play unplayable CCTV video files and analyze them effectively.

Amped Replay forensic video analysis software interface displaying a surveillance video of an outdoor seating area. The screenshot highlights key features with blue callouts: the “Play” tab for video playback, file info and properties panel on the right, controls to play or navigate footage frame-by-frame, timestamp display, playback speed adjustment, and fields for writing case information. The interface is designed to support forensic video review, evidence documentation, and metadata analysis.

Of course, you may be dealing with a format that is not yet supported. But in that case, you are not left alone. Amped Replay will propose to send that file to our support team (you may also send another file from the same system if the content is too sensitive).

Screenshot of an Amped Replay error message reading "This file can’t be opened. The file cannot be opened because it is not a video or is in an unsupported format," with a link to Amped Software support and an OK button.

Conclusion

I guess we’re done: with Amped Replay, playing proprietary files couldn’t be easier! Replay simplifies the process of playing unplayable CCTV videos with unmatched ease and precision.

We’ll see in a future post that Amped Replay also allows you to convert a proprietary file to a standard format, in case you need to share it with someone who only uses consumer players.

That’s all for today! We hope you’ve found this issue of the “Amped Replay Tutorials: How do I do this?” series interesting and useful! Stay tuned and don’t miss the next ones. You can also follow us on LinkedIn, YouTube, and X: we’ll post a link to every new tutorial so you won’t miss any!


 Marco Fontani

Marco Fontani is the Forensics Director at Amped Software, a software company developing image and video forensic solutions for law enforcement agencies worldwide. He earned his MSc in Computer Engineering in 2010 and his Ph.D. in Information Engineering in 2014. His research focused on image watermarking and multimedia forensics. He participated in several research projects funded by the EU and EOARD, and authored/co-authored over 30 journal and conference proceedings papers. He has experience in delivering training to law enforcement and provided expert witness testimony on several forensic cases involving digital images and videos. He is a former member of the IEEE Information Forensics and Security Technical Committee, and he actively contributed to the development of ENFSI’s Best Practice Manual for Image Authentication.

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