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Document new 'blocksize' option of 'pipe' protocol

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Andrey Utkin 2013-07-31 15:22:02 +03:00 committed by Michael Niedermayer
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commit 681ad3a5b6
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doc/protocols.texi
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@ -325,6 +325,16 @@ ffmpeg -i test.wav -f avi pipe:1 | cat > test.avi
ffmpeg -i test.wav -f avi pipe: | cat > test.avi
@end example
This protocol accepts the following options:
@table @option
@item blocksize
Set I/O operation maximum block size, in bytes. Default value is
@code{INT_MAX}, which results in not limiting the requested block size.
Setting this value reasonably low improves user termination request reaction
time, which is valuable if data transmission is slow.
@end table
Note that some formats (typically MOV), require the output protocol to
be seekable, so they will fail with the pipe output protocol.