* Andrew Stevens writes:
>On Sunday 19 Jan 2003 5:53 am, Markus Plail wrote:
>>In order to be able to use 'mpeg2enc'oded streams in IfoEdit it is
>>necessary to have fixed I-frame location (from what I understand). One
>>can create a template for TMPEnc which looks like that:
>>
>>...
>>61269,I
>>61281,I
>>61293,I
>>61305,I
>>61317,I
>>61329,I
>>61341,I
>>61353,I
>>61365,I
>>...
>>
>>Would it be possible to change mpeg2enc to only place I-frames at
>>certain locations?

>Not sure what you mean by "location".  Do you mean I-frames must
>aligned at sector boundaries in the multiplexed stream?  This is
>already done automatically.  Do you mean the GOPs (Groups-Of-Pictures)
>must have a fixed size and B/P frame structure?  Again, what you need
>is probably already there.

What I think it means that frame #61269 has to be an I-frame, and there
should be no other I-frame until frame #61281, which is the next
I-frame. This seems to be needed in order to remux a MPEG2 video stream
to a valid DVD structure and to not have sync issues.

>However, I'm puzzled why Ifoedit would demand fixed-size/structure
>GOPs.  It is as far as I'm aware definately *not* something required in
>the DVD standard...

Definitely true, but I do not author a completely new DVD, but I want
to remux the the video together with the existing (dts/AC3)
streams. And with a normal m2v file (produced by either TMPGEnc or
mpeg2enc) I have stuttering sound.

regards
Markus



-------------------------------------------------------
This SF.NET email is sponsored by: FREE  SSL Guide from Thawte
are you planning your Web Server Security? Click here to get a FREE
Thawte SSL guide and find the answers to all your  SSL security issues.
http://ads.sourceforge.net/cgi-bin/redirect.pl?thaw0026en
_______________________________________________
Mjpeg-users mailing list
[EMAIL PROTECTED]
https://lists.sourceforge.net/lists/listinfo/mjpeg-users

Reply via email to