Infoseite // anamorphic MPEG2 file (720x576) equalizes (1024x576) to show - HOW?



Frage von Medienmacher:


Hello friends.

Short, tricky question:
I have a DV Quicktime Movie (AVID DV codec, bottom field first, 16:9 anamorphic 720x576) an MPEG2 file to create (PAL 16:9, 8000kbit CBR, bottom field first, muxed).

The customer wants a MPEG2 file that is 16:9 anamorphic (ie 720x576), BUT when you play (in an unknown player to me) is equalized at 1024x576, and this car!

He said the need in the header of gemuxten MPEG2 files, then this would go.

Unfortunately I have no idea as I do when encoding? I've already converting with Episode, Cleaner XL, Sorenson Squeeze and After Effects (with MainConcept encoder) tried - but I always get 720x404.

As I reached my desired format?

I am looking for an opportunity, in principle, similar to Quicktime Pro, where I was when you export a Quicktime movie in "size" may recruit both PAL 720x576 4:3 "as synonymous PAL 720x576 16:9." Here it seems that the desired information somewhere in the file to be written.

Has anyone ne idea?

Thank you in advance for your help.
Regards

Space


Antwort von tommyb:

Export your material with 720x576 (anamorph = distorted).

I use the coding of the MPEG2 16:9 Cinema Craft Encoder, there can be the beginning of the header than 16:9 indicate.

Alternatively codierst you have your file as if a 4:3 file (so the s.Ende 720x576 raus kommt!) And then take this:

http://www.videohelp.com/tools/DVDPatcher
DVDPatcher

To load your MPEG2 file (it shows you no matter what properties it has) and patches the header to 16:9 (Aspect Ratio). Mach on each case, a spot at "Entire File"!

Space


Antwort von Medienmacher:

Hey, thank you tommyb.

Sounds great, it blöderweise there `s only for the PC and I am working on MAC. Is `s alternatives for the MAC?

Otherwise, I must look NEN PC to try ..

Thanks again & greetings

PS other suggestions are still welcome. Still I `s not. ;-)

Space


Antwort von Markus:

"Media makers" wrote: The customer wants a MPEG2 file that is 16:9 anamorphic (ie 720x576), BUT when you play (in an unknown player to me) is equalized at 1024x576, and this car!
Since the customer has a lack of information, because this requirement is impractical. Although you can ensure that the MPEG2 file anamorph this information and is synonymous in the file header, but you have no influence on whether the (unknown!) Player that supports or ignored.

To s.Computer with a software player is always the right format to get to typical computer-square pixels are used, no video typically rectangular.

Space


Antwort von Medienmacher:

@ Markus: Thank you! Likewise, I see the synonymous. For me, this is a task of the player, the file accordingly represent equalized.

The customer (in England, which is now synonymous not be reached * g *) said, that would go with the header ...

@ tommb:
I've now tried your proposal:
MPEG2 created in Sorenson Squeeze settings with 720x576, 4:3 (with 16:9 would make it again 720x404). The result is an MPEG2 file, which is in Quicktime (s.MAC) but 720x540 in size.
In MPEG Streamclip s.MAC is 720x576 in the stream information. Why does the Quicktime that?

On PC in DVDPatcher me but a size of 720x576, 4:3 displayed. There, I've now of 4:3 to 16:9 and the converted headers patched. On Quicktime (s.MAC) will give me back the video display 720x404 .. :-) Crazy world.

But the way it is true, right?

Space


Antwort von tommyb:

The information whether a picture is 4:3 or 16:9 is in the header. If it does not say, can not synonymous Player equalize and therefore they must be in DVD authoring made.

@ Media Makers
The path is correct. I am afraid, Quicktime cook his own soup when it comes to "equalize" goes.

Just try (on PC) the program "Gspot". This resolution shows the one file, which in your case, actually must be 720x576. Unless Quicktime spins here, I would take a different player, eg the VLC. If everything is correct, it should be the Picture at 1024x576 pixels stretch (of course s.PC / Mac).

Space





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