Is there a DVD compliant test tool that will tell you if an MPEG2 file is DVD compliant. I have used restream and it gives me a lot of info but does not tell me if the file is DVD compliant or not.
Thoughts?
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352,240 mpeg1 , 352,480 mpeg2, 704,480 mpeg2, 720,480 mpeg2 29.970 FPS. then make sure the gop is not more than 15 , and if it has a sequence header in it. That's all you need. (For pal substutute 288 and 576 for 240 and 480)
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hI WeeJavaDude,
duhmez is partially right:
Max frames per GOP for NTSC = 18 not 15. PAL = 15.
Frames Per Second (FPS) for PAL = 25 exactly.
The audio for NTSC or PAL must be 48,000Hz. Popular acceptable formats are PCM (also known as WAV), and AC3. MP2 is playable on most European stand-alone DVD players. There may be some others.
Best thing is to click on the "DVDR" link in blue, top left of the page.
I've not used restream - Check out GSpot, that gives loads of info.
Hope that helps.There is some corner of a foreign field that is forever England: Telstra Stadium, Sydney, 22/11/2003.
Carpe diem.
If you're not living on the edge, you're taking up too much room. -
Originally Posted by Baldrick
Cheers for the correction Baldrick.There is some corner of a foreign field that is forever England: Telstra Stadium, Sydney, 22/11/2003.
Carpe diem.
If you're not living on the edge, you're taking up too much room. -
I basically understand the frame rate, aspect and resolution. I am looking for a tool that would run over the MPEG and indicates if DVD compliant. If not then spit out why it is not? I am supprised that there is not a tool out there. The reason I ask is that I am having an incompatability problem with ProShow and MyDVD 5. MyDVD 5 want to transcode the MPEG file produced by ProShow. Trying to determine who is not playing nicely so I can get this issued addressed. My guess is that it has to do with the GOP parameters, but I dont understand what restream is saying about GOP.
Was hoping there was a program that verified that an MPEG2 was DVD compliant. -
Originally Posted by daamon
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Hi WeeJavaDude,
I am looking for a tool that would run over the MPEG and indicates if DVD compliant. If not then spit out why it is not? I am supprised that there is not a tool out there.
The reason I ask is that I am having an incompatability problem with ProShow and MyDVD 5. MyDVD 5 want to transcode the MPEG file produced by ProShow.
My guess is that it has to do with the GOP parameters, but I dont understand what restream is saying about GOP.
As well as the max number of frames per GOP mentioned earlier, they can also be closed or open. This guide:
http://dvd-hq.info/Compression.html
...is for the settings in the TMPGEnc encoder, but it gives some interesting info on the GOP structure that may be of help (just type #gop at the end of the URL and hit "Enter" - it's right near the bottom of the page).
Hope that helps...There is some corner of a foreign field that is forever England: Telstra Stadium, Sydney, 22/11/2003.
Carpe diem.
If you're not living on the edge, you're taking up too much room. -
There is a tool in Womble MPEG2VCR that is called MPEG GOP fixer or something similar. It may fix GOP problems to make the video DVD compliant. I think PVAStrumento also can fix or at least report GOP problems if you demux your mpeg. It store some notes in a log file.
Most DVD authoring software does some kind of compliance test when you import your video. If you can import it and create a DVD without any problems then it's probably compliant.Ronny -
I've found that TMPGEnc DVDAuthor is pretty good about letting you know if there is a problem with a source file, and what exactly that problem is.
Get DVDAuthor, and then just try to add the questionable file to a new DVDAuthor project....it only takes a few seconds to do this.
GOP issues are common, but also there must be a sequence header for every GOP....DVDAuthor will tell you what the problem is.
Fortunately, the sequence header problem is easy to solve....just use the "Merge & Cut" option in TMPGEnc tools. You don't actually have to merge or cut anything, just input your source file and create a new output file...TMPGEnc will insert sequence headers where they need to be... -
Originally Posted by ronnylov
I am making some progress, but any tools that might give a hint would be most helpful -
Hey WeeJavaDude,
People are trying to help and making suggestions as to what might help you. But without specifics to go on they can only make educated guesses.
Like I said previously:
Originally Posted by daamonThere is some corner of a foreign field that is forever England: Telstra Stadium, Sydney, 22/11/2003.
Carpe diem.
If you're not living on the edge, you're taking up too much room. -
A scan in PVAStrumento will tell you if you're video contains non-compliant GOP (more than 15 frames for PAL)
Womble mpeg-vcr or mpeg video wizard can also check for gop size and FIX it. (that implies partial mpeg re-encoding)
Some DVD authoring apps accept mpeg files even if they're not fully compliant (for example DVD Maestro) and it's a good thing since some (most ?) DVD players accept partially compliant DVD. -
Originally Posted by Milo
To close the loop here. I might have located the problem with the help of some folks at PhotoDex and MyDVD. When you create a Slide show using ProShow it is suppose to be 7500 CBR. Well what actually occurs is that
is spikes over 8000 CBR at the start of the slide show. I believe this spike is what is resulting in MyDVD to re-encode the slide show. I am anxiously awaiting the ProShow's next Beta release to see if they have corrected this issue. If they would have provided a mechanism to adjust the Bitrate it could have been lowered to 7000 CBR to get around this issue. Too bad... I believe this is the issue , but I will not be sure until after I get the Beta.
Speaking of Beta.. Anybody got any word when the Beta will be released. I was orginally told first part of January and know it is almost the end of Feb with no Beta. -
8000 is compliant even if you use pcm audio, so if this is why it's failing, it's not because of a compliance issue, but an artificial software limitation.
You can use restream to patch the header and force the mpeg to report as having a lower or higher actual bitrate than it actually does. This may help.
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