Hi
I have made some headway.  I am using this command line:
for %%a in ("*.mp4") do ffmpeg -ss 00:00:10 -i  "%%a" -codec copy 
"newfiles\%%~na.mp4"
which does seem to cut out the first 10 seconds of the 100 MPG4 files I have 
tried.  Now if I
can only figure out how to cut out the last 5 seconds.  Remember these mpeg 
files are
varying lengths varying from 24 minutes to 1 hr 20 minutes.  

Again any help would be appricated.
PS I am see an undetermined length message at the end of each file run in the 
bat file.  It seems
To add about 5 or so seconds before showing the last 20 frames the best I can 
tell.  These last
20 frames is what I would like to get removed from the MP4 file that I already 
converted with
The above command line.

Thanks
Thomas 

-----Original Message-----
From: ffmpeg-user [mailto:[email protected]] On Behalf Of 
[email protected]
Sent: Monday, January 18, 2016 1:52 PM
To: [email protected]
Subject: [FFmpeg-user] Trying to cut 5 sec of beginning and ending of mp4 files

Hi

I am been trying almost every combination of switches to be able to cut 5 sec 
from the start and 5 sec from the ending of variable length mp4 files.

I have not been successful at doing either.  I guess I really don't understand 
the usage.  I have more than 100 files to do.

Can anyone suggest a command string that will work?

 

Thanks

Thomas

 

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