[MPlayer-users] Exact resulting file format ???

[Attila Kinali]

On Thu, 30 Oct 2003 13:14:03 +0100 (CET)
Rainer Hantsch <rainer at hantsch.co.at> wrote:

> My friend watched this very sceptical (he is a Windoze user) and finally had a
> look into the file's header with 'hexdump -C filename', then he told me that
> this is never a plain MPG file, he cannot find the appropriate header.
> Strange, because mplayer tells me that it _is_ MPEG!  =8-(

That's because mpeg doesnt have _a_ header but repeates it
iirc every GOP (dont know exactly, ask some specialist).
So, the header doesnt need to be at the beginning but can
be anywhere in the file, and mplayer starts then to play
when it has enough information.

 
> Another thing is:
> After doing a  "mplayer vcd://1 -cdrom-device /dev/sr5 -dumpstream" (this is
> my SCSI CD-Writer, a Plextor 12/10/32S), I am not able to mount a normal data
> CD-ROM on this drive any more. I always get told that the filesystem-type
> could not be detected. --> After rebooting my Linux-Box, it works again!
> But I am still able to play any number of VCDs from this drive.
> 
> Does this command line leave something changed in my CD-Writer?

It's a linux bug, i wrote a patch some time ago, search the
mailinglist archive
(Yes, i know, i should send it to the maintainer)

			Attila Kinali


-- 
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			-- reeler in +kaosu