On Tue, Nov 20, 2007 at 09:05:01AM +0100, Clemens Ladisch
wrote:
> A muxer might want[...]
This is contrary to the principles of NUT. The muxer does
not create a
file based on its own opinion about how the user of the file
will want
to use it. There's one correct way to mux (aside from
decisions that
just affect efficiency of the storage) which guarantees that
a demuxer
can obtain the same behavior on any valid file without
having to guess
what the muxer intended.
Moreover the whole idea you've proposed is irrelevant to
our
hypothetical codec. Think about it for a second and you'll
realize
that selecting the points to which seeking is allowed does
nothing to
help the issue, unless you only mark "true"
keyframes as keyframes,
i.e. only the first frame. One possible thing that would
help would be
an optional "convergence time bound" header
field.
Rich
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