[MPlayer-dev-eng] Re: OpenDML Read/Write support

Tobias Diedrich ranma at gmx.at
Mon Mar 22 16:03:27 CET 2004

Ivan Kalvachev wrote:

> Hey do you read your mailbox?
> I have send an valid workarond.

I saw it, but I didn't like it.
As Rich said, the right thing is to take the aspect information from
the filter chain's end.

> And the video encoder should calculate the aspects, as it is last
> in the chain.

No, the video encoder should just take the aspect from the
filter chain as with the -lavcopts autoaspect option.
I was previously not aware of the dsize filter, probably because of it's
name (IMHO aspect would be more fitting) and missing pointers in the

> I also don't see problem the aviaspect option to
> stay in case we want to change avi aspect with ovc/oac copy.

Yes, it would be useful to readd something like that for the copy case.

> And we still don't know if WMP honor aspect info as we have never
> produced stream with valid aspect info;)

I made some tests with stock Windows 2000 WMP and it ignored the header.

Tobias						PGP: http://9ac7e0bc.2ya.com
Be vigilant!

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