video gop is too long

[natty]

i got this error with tmpenc dvd author what is it and how can it be fixed please

[Cornucopia]

For DVD's to be compliant with the spec, there is a maximum GOP length:

NTSC:

36 fields (18 frames) maximum---(30fields or 15frames recommended)

PAL:

30 fields (15 frames) maximum--(24fields or 12frames recommended)

***************

You must re-encode first for it to be usable(hopefully from the original and not from you extant MPEG2 copy).

Scott

[TBoneit]

Or you could just ignore it, Burn a DVD and see if you player can play it. MY players play DVDs where DVD Author gave that error just fine. Sometimes it can affect FF speeds tho.

Good Luck

[jimmalenko]

i got this error with tmpenc dvd author what is it and how can it be fixed please

It tells you what the problem is in the error message:





Or there's a Forum Search feature:
https://www.videohelp.com/forum/search.php

(Hint: search for "tmpgenc gop too long")


Or there's google:
http://www.google.com.au/search?hl=en&q=tmpgenc+gop+too+long+error&meta=


Basically the GOP length can only be a max of 15 frames for PAL video or 18 frames for NTSC video to be DVD-compliant. You can ignore this error and most DVD players should still play it, but it's something you'd need to test with a sample to confirm if your own DVD player can still play it.

The only way I know of to get rid of the error altogether is to re-encode with an MPEG encoder like TMPGEnc, CCE etc etc and make sure that you have to GOP settings set correctly.

[manono]

And if you're encoding for NTSC Film, running Pulldown afterwards, then 12 frames is best.