[x264-devel] Re: VUI timing info issue

shauli.rozen at gmail.com shauli.rozen at gmail.com
Wed Jan 18 17:09:07 CET 2006


I did not know the all moonlight - elecard - Mainconsept history. It is good
to know , as I see it
we should be compliant with the standard ( i.e - lose support of the old
moonlight codec ) since I think newer codecs will do so.

In general I think that this is not a huge issue since the bit stream will
almost always be muxed
into a file format , and the display time for each frame will be taken from
the container.

when I muxed the x264 bit stream to a 3gpp file and played it in the apple
quick time player
I got a correct bit rate.


On 1/18/06, Måns Rullgård <mru at inprovide.com> wrote:
>
>
> shauli.rozen at gmail.com said:
> > I first tried the moonlight codec and it worked fine. Just recently I
> tried
> > elecard , which apparently follows the standard and thus resulting in
> half the
> > frame rate.
>
> OK.  For the record, the Moonlight codec was developed by
> Elecard.  Moonlight
> no longer exists, and Elecard has been taken over by Mainconcept.  The
> codec
> from Mainconcept labeled version 2 is the same Elecard codec under a new
> name,
> and shares nothing with earlier Mainconcept codecs.  The old Moonlight
> codec
> uses the VUI timing info the same way as x264 does currently (i.e.
> incorrectly),
> which is why I originally wrote it like that in x264.  The new
> Moonlight/Elecard/Mainconcept codec appears to follow the spec.
>
> Does anyone have info about other current codecs (Nero, Ateme, Apple,
> ...)?
> I'd like to get this fixed once and for all.
>
> --
> Måns Rullgård
> mru at inprovide.com
>
> --
> This is the x264-devel mailing-list
> To unsubscribe, go to: http://developers.videolan.org/lists.html
>
>
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