[FFmpeg-user] how to use ffmpeg - OS X Yosemite
lou at lrcd.com
Fri Dec 18 22:16:09 CET 2015
On Thu, Dec 17, 2015, at 04:51 PM, nathan shane wrote:
> What I would like to do is edit some video files that I have in a batch.
> I do not want to run ffmpeg on individual files.
> I will have a total of 10000 - 17000 mpegs that I need to execute my
> script on. All of these files will be located in 1 folder on the same
> hard drive
> For all the files, I want to cut off the beginning (1 second of time) as
> they have information tagged in the beginning of each file that I don’t
> want presented in the video.
ffmpeg -ss 1 -i input -map 0 -c copy output
Make sure to read the docs for each option:
-c copy: <https://ffmpeg.org/ffmpeg.html#Stream-copy>
The scripting part is offtopic here, but you could use a bash for loop
with parameter expansion. Untested example:
for f in *.mp4; do ffmpeg -ss 1 -i "$f" -map 0 -c copy
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