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author | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2011-01-31 15:01:46 +0100 |
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committer | Janne Grunau <janne-ffmpeg@jannau.net> | 2011-02-08 13:20:56 +0100 |
commit | f4acb837eb4af74996b678f3f55eaa66c47a66ee (patch) | |
tree | 3071e716f5dbfa36ff83e7d715f028043df61826 | |
parent | a1c1d3c003b0ec16fdb6574913781313fb2c7ab6 (diff) | |
download | ffmpeg-streaming-f4acb837eb4af74996b678f3f55eaa66c47a66ee.zip ffmpeg-streaming-f4acb837eb4af74996b678f3f55eaa66c47a66ee.tar.gz |
Document null muxer.
Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
-rw-r--r-- | doc/muxers.texi | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/doc/muxers.texi b/doc/muxers.texi index d98abef..d661c96 100644 --- a/doc/muxers.texi +++ b/doc/muxers.texi @@ -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 |