Camcorders forum: Problem with .MTS file: Incorrect Video Length?

by: theup3985 October 24, 2012 4:37 PM PDT

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Problem with .MTS file: Incorrect Video Length?

by theup3985 - 10/24/12 4:37 PM

Hi, I am new to this forum, so please bear with me.

I recently bought a refurbished Canon VIXIA HF R21 camcorder back in May, and for the most part, it has been a great camera and I haven't really had any problems with it - at least perhaps until now. To give you a little background, I use the default Pixela VideoBrowser software that comes supplied from Canon to import video from the camcorder onto my computer, and then I always edit my video footage in Windows Movie Maker before saving the file in .wmv format and uploading it to YouTube. I am running Windows 7 (64 bit) on an Acer Aspire 5532 laptop, and have the Windows Essentials 2012 suite installed on my machine.

Up until this week, I had been importing and editing videos with no problems, but now in the past few days I have run into trouble with a couple of select raw .MTS files that I've imported onto the computer (via the Canon supplied software). The issue is this: When I select the video file in question on my computer (in the directory where the imported video file is located) and view the video properties, it indicates a video length that is far longer than what the actual video recording is. And by "far longer", I mean that the video recording in actuality is only maybe two minutes long, but the file properties indicate that the video is like two hours or longer. I should note that when I view the video in question on the camcorder itself (not on the computer), the correct video length time is displayed. It's only an issue with the file imported onto the computer for some reason. Furthermore, if I open the imported file on the computer to view the video in an application like Windows Media Player, the video will play perfectly normally from start to finish - but again, the displayed time length will be like two hours or something ridiculous when the video is actually only a few minutes in length. You might think "Okay, so what, as long as it plays normally, is it that big of a deal?" Well, the real trouble comes when I try to import the file into Windows Movie Maker. It takes a long time as it is for Movie Maker to import and prepare selected video files for editing, given that these are AVCHD files we're talking about here. When I try to import the problem file into Movie Maker, because the video file in question has an incorrect time length, Movie Maker of course imports the file with the incorrect time length - which is really really long - and it would take hours or even a full day just for Movie Maker to import and prepare that one file for editing. Obviously, this is a major hassle and makes video files with this problem almost impossible to edit and upload to online video sharing sites like YouTube. Fortunately, this "hiccup" only happens with a very few select video files - in most cases the .MTS files import perfectly fine and it's not a problem. But I could see it coming to pass at some point that I might make a very important video recording in the future (say for a wedding or something), and that particular video file will be the one with the video length issue when I import it onto the computer, and it would be a major problem if I couldn't edit that file because the computer thinks the video length is ten times longer than it actually is and it takes eternity to import into Movie Maker.

Has anybody else on here run into a problem like this before, especially any Canon users? My best first guess is that the problem is with the .MTS file itself when it's imported using the VideoBrowser software, and not with the actual camcorder - but then again, I'm not entirely sure. Does anybody have any insights into what is causing this bizarre problem, and how I might address it?

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