> Kevin Atkinson wrote:
>
>> When playing back an mpeg with encoded VBI data the closed caption are
>> displaying 1-2 seconds too early. This time seams to correspond with
>> the encoding delay. Also the pack headers before each VBI packet are
>> bogus:
>> the System Clock Reference is always 36036 and the mux rate is not the
>> same as the other pack headers.
>>
>> From reading the ivtv-devel this seams like a known problem which
>> isn't fixed because the developer didn't have an NTSC system. Thus, I
>> am more than willing to work with anyone to fix this problem. I am a
>> competent programmer myself so if someone can point me in the right
>> direction I am willing to take a stab at fixing it myself.
>
>
> Don't know if this will help, I'm working on a small tool to display
> teletext data. I'm in PAL land so I've no idea if CC has the same format
> as teletext. I've only tested this on ivtv-0.4.0 and the tar file should
> be unpacked in the ivtv-directory and then run make from there. There
> *is* some information in the README.
They are totally different. However, any synchronization problems should
also be visible with teletext subtitles. Can you tell if teletext
subtitles are in sync with video?
Hans
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