On Sunday 16 September 2001 12:29, Arpi wrote:
> Hi,
>
> > I know you are not exactly divX ppl, but i guess divX pretty much is
> > what all the effort in playing non-standard encoded avi-files under
> > linux was about.
> > Thus i ask you: why avi? Why must a divX encoded video stream be
> > packed into an avi file instead of a good old, streamable, multi-
> > platform mpeg system stream. I mean, after all, divX ist MPEG 4...
> >
> > I have asked that question to the divX guys themselves, but i never
> > got an answer to it. Is it really that stupid?
>
> I also asked this question at many places.
> The only reasonable answer I got: under windows most video tools (encoders,
> editors, players) uses AVI file format, only a few can deal with mpeg
> streams. The second problem: for a long time, divx codec was available only
> in the cracked m$ codec .DLL form. as it was a VfW/DShow codec, it couldn't
> be used in mpeg programs, only avi/asf tools. but as only asf tool is m$
> media encoder, which was non-free, the only file format left: avi.
>
> of course we, non-windows people hate avi file format because its limits
> (no a-v sync, not streamable, not error-resistant etc) but divx is
> originated from windows, where avi is the standard... :(
>
> btw afaik official mpeg4 standard uses the quicktime file format, instead
> of old mpeg system streams. you can find standard mpeg4 files at panasonic
> website, but they are also in qt format, not ES/PS/PES/TS.
>
I dont know, aviplay has been able to play partial, that is still downloading
streams. It doesn't have the option of entering an url or anything, but it
can play partial streams as the divx downloads or if a download is broken. I
seriously dont see how mpeg is error resistant since i see just as many
errors in it as a divx, the only difference is that mpeg is more tolerant of
those errors than divx is, but aviplay does a good job at handling divx
errors. Some players dont, however.
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