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Document new 'blocksize' option of 'pipe' protocol

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
tags/n2.1
Andrey Utkin Michael Niedermayer 12 years ago
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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.



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