Commit f4acb837 authored by Stefano Sabatini's avatar Stefano Sabatini Committed by Janne Grunau
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Document null muxer.


Signed-off-by: default avatarJanne Grunau <janne-ffmpeg@jannau.net>
parent a1c1d3c0
......@@ -109,4 +109,26 @@ ffmpeg -i file.mpg -acodec copy -vcodec copy \
-y out.ts
@end example
@section null
Null muxer.
This muxer does not generate any output file, it is mainly useful for
testing or benchmarking purposes.
For example to benchmark decoding with @file{ffmpeg} you can use the
command:
@example
ffmpeg -benchmark -i INPUT -f null out.null
@end example
Note that the above command does not read or write the @file{out.null}
file, but specifying the output file is required by the @file{ffmpeg}
syntax.
Alternatively you can write the command as:
@example
ffmpeg -benchmark -i INPUT -f null -
@end example
@c man end MUXERS
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