Forum Thread

Tool to trim 40 seconds from many video files at once?

qqq1 634 31 July 25, 2016 at 03:07 PM
I've been ripping my own TV series discs. I already have them ripped and reencoded to a reasonable file size as mkv's. Is there a tool that I can just set to "trim 40 seconds from end" and drop a ton of files on it all at once? When you're talking about hundreds of episodes those extra 40 seconds add up to a lot of wasted space. Thanks.

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#2
You could do it from the command line possibly with a script of some kind using FFMPEG.

Macroplant's Adapter might be able to do it. http://www.macroplant.com/adapter/
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#3
Quote from jkee View Post :
You could do it from the command line possibly with a script of some kind using FFMPEG.

Macroplant's Adapter might be able to do it. http://www.macroplant.com/adapter/
Looks like Adapter can trim but it's manual per video.
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#4
It may not save as much space as you think. The end of the video is likely a less complex scene that's more easily compressed. Storage is pretty cheap these days on the order of $0.03/GB.
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#5
Because video editing is rather resource intensive, I'm not sure of any programs that will allow you to trim video of files all at the same time. Usually they're queued up and done one at a time, outputting into the directory of your choosing.
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#6
Quote from menace33 View Post :
Because video editing is rather resource intensive, I'm not sure of any programs that will allow you to trim video of files all at the same time. Usually they're queued up and done one at a time, outputting into the directory of your choosing.
Editing / rendering the output of your edits is, but simply cutting / splitting files isn't particularly resource intensive.


Here are a couple links on using ffmpeg or avconv to do this, but be careful you could delete stuff if you make a mistake. No guarantees on how any of these would work.
https://askubuntu.com/questions/4...-the-video
http://pastebin.com/pm7CgZEj
https://web.archive.org/web/20140...in-windows
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#7
Quote from jkee View Post :
It may not save as much space as you think. The end of the video is likely a less complex scene that's more easily compressed. Storage is pretty cheap these days on the order of $0.03/GB.
This.. unless he's encoded them as CBR in which case he would save space, although VBR would make more sense to avoid these issues. If they're VBR, trim one and see how much it saves to decide if it's worth the hassle.
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#8
Quote from qqq1 View Post :
I've been ripping my own TV series discs. I already have them ripped and reencoded to a reasonable file size as mkv's. Is there a tool that I can just set to "trim 40 seconds from end" and drop a ton of files on it all at once? When you're talking about hundreds of episodes those extra 40 seconds add up to a lot of wasted space. Thanks.
http://superuser.com/questions/65...in-windows

FFMPEG in a batch script is your best option. I've done this before for a different purpose but it works all the same.
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#9
Quote from eekthecat View Post :
http://superuser.com/questions/65...in-windows

FFMPEG in a batch script is your best option. I've done this before for a different purpose but it works all the same.
Thanks.
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