[FFmpeg-user] Is it possible to run multiple ffmpeg intances?

Reindl Harald h.reindl at thelounge.net
Sat May 14 12:54:10 CEST 2011


are you starting this as one-liner?
start each command with the & at the end in a own line

multiple ffmpeg-instances can not be a problem because
this affects the operating system, not ffmpeg as long
each instance has its own target - will mean: they do not
know that they are running not alno

Am 14.05.2011 12:21, schrieb littlebat:
> Hi,
> 
> I try to convert serveral videos using multiple ffmpeg intances
> concurrently, but it failed, only get 44 bytes result
> file. Is it possible to run multiple ffmpeg intances concurrently? or,
> there are some things wrong in my command as below?
> 
> <code>
> ffmpeg -y -i /home/mdx/pipetest/t1.mkv \
> -vcodec h263 -b 200k -r 15 -s 176x144 -aspect 11:9 \
> -acodec libopencore_amrnb \
> -ac 1 -ar 8000 -ab 10.2k -f 3gp 1.3gp & \
> ffmpeg -y -i /home/mdx/pipetest/t2.mkv \
> -vcodec h263 -b 200k -r 15 -s 176x144 -aspect 11:9 \
> -acodec libopencore_amrnb \
> -ac 1 -ar 8000 -ab 10.2k -f 3gp 2.3gp & \
> ffmpeg -y -i /home/mdx/pipetest/t3.mkv \
> -vcodec h263 -b 200k -r 15 -s 176x144 -aspect 11:9 \
> -acodec libopencore_amrnb \
> -ac 1 -ar 8000 -ab 10.2k -f 3gp 3.3gp &
> </code>
> 
> thanks.
> 
> littlebat
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> ffmpeg-user at ffmpeg.org
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Mit besten Grüßen, Reindl Harald
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