[MPlayer-users] NASA TV

[Roberto Togni]

On Mon, 09 Oct 2006 11:42:26 -0400
"Nix N. Nix" <nix at go-nix.ca> wrote:

> Hi!
> 
> I am trying to get the NASA TV Real feed to work. This feed worked until
> recently (two-and-a-half months ago) but broke then with "demux_real:
> invalid chunksize! (0)". This is the feed:
> http://www.nasa.gov/ram/35037main_portal.ram
> 
> I have tried this on a ppc (using the essential-ppc codec pack) as well
> as FC5 x86 using the livna version of mplayer
> (mplayer-1.0-0.46.pre8.lvn5).
> 
> Since my PPC system is gentoo, it's easy to switch back and forth
> between gcc versions. Thus, I have tried compiling mplayer with both
> gcc-3.4.6 and gcc-4.1.1, but it didn't work with either version.
> 
> The problem manifests itself as follows:
> 
> After filling its cache, mplayer displays one frame of the RealVideo
> stream, then pops up the "demux_real: invalid chunksize! (0)" message.
> The sound continues to work fine. Both mplayer and gmplayer behave this
> way except, of course, that mplayer outputs the message onto the
> terminal, whereas gmplayer produces a popup message box with the
> message.
> 
> Not all RealVideo streams are broken. For example, I have been able to
> play other RealVideo streams off the NASA Web site - audio /and/ video.
> 
> It appears as though /something/ about the stream has recently changed,
> because I believe that, at least in the case of FC5, the NASA TV feed
> broke "spontaneously", with no modifications on my part to the computer
> playing the stream.
> 
> The stream continues to play fine with the latest RealPlayer for Linux
> (available only for x86, of course :o( ).
> 
> I'd appreciate any solutions people have found to this problem !
> 

The stream works perfectly here with latest svn (x86, can't test on
ppc). pre8 has problems with nasatv.
You can ignore the chunksize message, it's harmless.
And don't forget to use -playlist with .ram files.

Ciao,
 Roberto