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doc/muxers: Document problems of omitting nut syncpoints as well as alternatives

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer 2014-05-29 03:59:25 +02:00
parent 83e8650f77
commit 8d4d12a490
1 changed files with 5 additions and 0 deletions
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doc/muxers.texi
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@ -714,6 +714,11 @@ Change the syncpoint usage in nut:
@table @option @table @option
@item @var{default} use the normal low-overhead seeking aids. @item @var{default} use the normal low-overhead seeking aids.
@item @var{none} do not use the syncpoints at all, reducing the overhead but making the stream non-seekable; @item @var{none} do not use the syncpoints at all, reducing the overhead but making the stream non-seekable;
Use of this option is not recommanded, as the resulting files are very damage
sensitive and seeking is not possible. Also in general the overhead from
syncpoints is negligible. Note, -@code{write_index} 0 can be used to disable
all growing data tables, allowing to mux endless streams with limited memory
and wihout these disadvantages.
@item @var{timestamped} extend the syncpoint with a wallclock field. @item @var{timestamped} extend the syncpoint with a wallclock field.
@end table @end table
The @var{none} and @var{timestamped} flags are experimental. The @var{none} and @var{timestamped} flags are experimental.