[streaming] Re: IP TV

[Tim O'Callaghan]

On 25/01/07, Václav Koldus <vaclav.koldus at avpark.cz> wrote:
> Very interesting question, I've been experiencing the same prob when
> experimenting with h264 streams and
> I'd like to know it as well.
>
> Sorry that I'm no help, I'm just interested too.
>

At a guess i would say your hardware encoder is encoding the
CEFAX/Caption carousel from the TV feed.

The way to check this is to analyse the stream that comes from the
card. Video Lan can do this to a certain degree. You want to dump the
raw TS out into a file and then see what is in it. I think you'll find
the raw mp4 in the TS contains the encoded caption data rather than it
being in a separate TS stream.

If on the other hand the caption/cefax is in a separate TS stream,
then you should be able to turn off the rendering of that stream in
VideoLan, though its been a while since i used it.

Tim.

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