[openbeos] Re: ISO-9660 BFS filesystem extension
- From: "Jonathan Tarbox" <jtarbox@xxxxxxxxxxxxx>
- To: <openbeos@xxxxxxxxxxxxx>
- Date: Wed, 9 Jan 2002 21:12:40 -0600
looking at what I saw of the official dvd standards books it seemed more
like all of the DVD, the menu and which streams to play, was a stream..
though in thinking about it, I bet we're both seeing two sides of the same
coin.. the raw udf disk format could be the entire bitstream the books i
read were actually decoding. I'm talking the raw lower level format vs
looking at the disc via explorer or tracker
-jtarbox
> > Well.. whether or not UDF is used on the disc, the DVD decoding is done
as
> a
> > bit stream.. I have seen the source code, read a little of the official
> > standards book (wow, two pages worth of it and I got a headache) Just
> going
> > by what I saw.. Terminator running with overlay support within BeOS
>
> sure all media encoding is done as a stream. however, you have to know
where
> to
> find the stream. that's why UDF is important. on nearly all videos you
don't
> have just
> one stream, you have multiple files and multiple streams for different
> things. in order,
> to properly play DVD's you have to support UDF to access the stream. know
> where
> it starts and such. the DVD standard encompasses much more than the mpeg2
> stream.
> it specifies silly things like finding files in the VIDEO_TS directory and
> knowing what
> files to open first and when to open other files and such. it's really
quite
> important to
> playing a DVD video correctly.
>
> apologies if i came across as an ass. just trying to point out why UDF is
> important :)
>
>
> -soco
>
>
>
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