[MPlayer-dev-eng] MPCF Draft/Discussion (MPlayer ContainerFormat)

[Michael Niedermayer]

Hi

On Friday 07 February 2003 20:31, Balatoni Denes wrote:
> Hi!
>
> This format looks nice imho, I have to questions:
> - so startcodes start with a high bit (not stated explicitly)
yes

> - maybe there is no simple better way, but if 1 bit is broken in
> the forward/backward pointer, that can't be detected to well, and a clever
> demuxer will crash than imho
why?! if the ptr is wrong it will point to random data, so the backward 
pointer there wont point back, its detectable

>
> and one wrong positioning because of a bit broken in one of the pointers,
> and than the demuxer might think it is now at a non keyframe - but I
> understand that no 64 bit startcode for non keyframes is for saving space,
> and one can always call every frame keyframe for error resilence.
shouldnt happen, as the ptrs wont match if they get trashed ...

>
> afaict this packet format with the startcodes allows all future additions
> that have been mentioned sofar (menu, picture, etc.) indeed
:)

[...]

Michael