1080p avi to regular DVD (not HD-DVD)

[ontherocks]

First a basic question about terminology used.
1) The resolution of a video file is written/said as just "1080". The "i" or "p" is written/said for the player. Is that right??

2) I understand that DVD standards for video resolutions are 720×480 (NTSC) or 720×576 (PAL). (i.e. 480i/p or 576i/p)
Is it possible to author a DVD with higher resolution videos and then play them in a regular DVD player??
I have a 1080p avi file. Can I author a regular DVD out of it with the exact same resolution and then play it back in my regular DVD player??
If so how??

[jagabo]

Is it possible to author a DVD with higher resolution videos and then play them in a regular DVD player??

Not unless you reduce the resolution to a valid DVD frame size.

I have a 1080p avi file. Can I make a regular DVD out of it with the exact same resolution and then play it back in my regular DVD player??

No.

[45tripp]

i is for interlaced
p is for progressive

[jman98]

First a basic question about terminology used.
1) The resolution of a video file is written/said as just "1080". The "i" or "p" is written/said for the player. Is that right??

No. I think AVI files are either always or almost always progressive. MPEG video can be either. A program such as Gspot can tell you. Whether something is interlaced or progressive has to do with the video itself, although some players may be limited to say 1080i, but that has nothing to do with the video but is a limitation of the player.

2) I understand that DVD standards for video resolutions are 720×480 (NTSC) or 720×576 (PAL). (i.e. 480i/p or 576i/p)
Is it possible to author a DVD with higher resolution videos and then play them in a regular DVD player??

You understand correctly, but the standard does NOT under any circumstances allow for higher resolution video.
It is a hard rule, not a suggestion.

I have a 1080p avi file. Can I make a regular DVD out of it with the exact same resolution and then play it back in my regular DVD player??
If so how??

No, you can't. Almost nothing on the market supports 1080p AVI files. You can count on one hand the number of players that do and they are all expensive and I only know of two brands that can even play discs at all. The rest are media streamers.

[ontherocks]

Thanks a lot to all for the replies.

No. I think AVI files are either always or almost always progressive. MPEG video can be either. A program such as Gspot can tell you. Whether something is interlaced or progressive has to do with the video itself, although some players may be limited to say 1080i, but that has nothing to do with the video but is a limitation of the player.

Ok so video files can be "i" or "p" too.
I have tried Gspot. But it never tells whether it is "i" or "p".
In fact I have been trying hard to find a program that does so. Any ideas??

2) I understand that DVD standards for video resolutions are 720×480 (NTSC) or 720×576 (PAL). (i.e. 480i/p or 576i/p)
Is it possible to author a DVD with higher resolution videos and then play them in a regular DVD player??

You understand correctly, but the standard does NOT under any circumstances allow for higher resolution video.
It is a hard rule, not a suggestion.

I guess thats right. I have tried a lot of programs to convert a video file with resolutions higher than NTSC/PAL to DVD vob, but all of them downconvert them NTSC/PAL or below. Its as if its inbuilt in the program to make the output .vob files to be NTSC/PAL or below.

No, you can't. Almost nothing on the market supports 1080p AVI files. You can count on one hand the number of players that do and they are all expensive and I only know of two brands that can even play discs at all. The rest are media streamers.

Actually I meant "Can I author a DVD from the 1080p avi file with the exact same resolution and play it back in a regular DVD player" and not burn the avi to a DVD and try to play it.

[guns1inger]

No, you cannot author 1080i as-is for DVD. Top left corner of this page - What is DVD - will give you the specifications that must be met for DVD compliance. If you don't meet these then a) it isn't a DVD, and b) no authoring program will author it.

A Divx Ultra certified player will play files higher than standard DVD resolution, however I don't believe most will be happy with 1080 resolution files.

[jagabo]

A Divx Ultra certified player will play files higher than standard DVD resolution

Divx Ultra certification does not include anything over SD resolutions. The ultra features only include things like menus, chapters, subtitles, and multiple audio streams.

http://www.divx.com/certification/

Looks like they are working on an HD certification speck though:

http://labs.divx.com/

the official 1080 standard, assuring playback on DivX Certified 1080HD devices

[guns1inger]

My bad. Somebody spank me

[Cornucopia]

First a basic question about terminology used.
1) The resolution of a video file is written/said as just "1080". The "i" or "p" is written/said for the player. Is that right??

2) I understand that DVD standards for video resolutions are 720×480 (NTSC) or 720×576 (PAL). (i.e. 480i/p or 576i/p)
Is it possible to author a DVD with higher resolution videos and then play them in a regular DVD player??
I have a 1080p avi file. Can I author a regular DVD out of it with the exact same resolution and then play it back in my regular DVD player??
If so how??

Resolution for HD is 720 or 1080. The actual HD specs ought to have 3 parts to it: like "720p60" or "1080i50" or 1080p24". First part being the rez, 2nd part being whether it's interlaced or progressive frame, 3rd part being the field/frame rate. This can still be confusing because some people wouldn't know if 1080p30 was meant for 30 progressive frames or 60 progressive frames (unless shown the difference with 1080p60 material--and there is a BIG difference).
I or P can be for video file/media itself and for the player and/or display type. That's 3 things to have to line up! And if they aren't all the same already, some processing will have to be done, which 90% of the time will LOWER the quality.

BTW, jman98, AVIs can be Interlaced or Progressive. Most are Progressive, but almost ALL DV-AVI files are interlaced (and that's a lot!). Similarly can be said of MPEG, QT, etc.
Similarly, AVIs and other filetypes can have non-square ARs (though most are square-pixeled).

Gspot does show Interlaced or Progressive frametypes. See the boxes that say [PROG] and [I/L]...

Scott

[jagabo]

Gspot does show Interlaced or Progressive frametypes. See the boxes that say [PROG] and [I/L]...

It's really only reliable with MPEG files though. And MPEG files with progressive frames marked for pulldown are reported as interlaced.

[ontherocks]

Thanks again to all of you who replied.

Got one fundamental cleared.
Both video file as well as players can be either interlaced or progressive

Similarly, AVIs and other filetypes can have non-square ARs (though most are square-pixeled).

What is an AR??

Gspot does show Interlaced or Progressive frametypes. See the boxes that say [PROG] and [I/L]...

I have a screenshot of Gspot with video file. How do I tell if its "i" or "p" from it?? I don't see anything in the boxes [PROG] and [I/L].

[jagabo]

What is an AR??

Aspect Ratio.

I have a screenshot of Gspot with video file. How do I tell if its "i" or "p" from it?? I don't see anything in the boxes [PROG] and [I/L].

As I said, GSpot's interlace detection isn't realiable. It really on works for MPEG files. If you had opened an MPG/VOB file you would have seen either the PROG or I/L hilited.

Note that the original AVI container didn't have interlace flags. The ODML extensions support interlace and field order flags but almost no programs use them. Individual codecs can include their own interlace flags (not part of the AVI or ODML container) but a program has to be written specfically to examine the private codec data to get the flags.

You pretty much have to look at an AVI yourself to determine if it's interlaced. Open it in VirtualDub and step through scenes with motion. If you see comb artifacts it's interlaced.

[ontherocks]

I have a screenshot of Gspot with video file. How do I tell if its "i" or "p" from it?? I don't see anything in the boxes [PROG] and [I/L].

As I said, GSpot's interlace detection isn't realiable. It really on works for MPEG files. If you had opened an MPG/VOB file you would have seen either the PROG or I/L hilited.

Here is a screenshot of a vob file in Gspot. I don't see PROG or I/L highlighted either



BTW aren't there any straightforward program other than Gspot to give me this info??

[jagabo]

VOB file at 1440x1080? Try opening a VOB from a SD DVD.

Note I added some information to my previous post.

[ontherocks]

Yeh I guess something is wrong with the vob I posted. I tried with a vob from a DVD and it did tell me if it was PROG or I/L.
I tried an avi in virtualdub and yes I could see comb like artifacts. It was better pronounced in other players like VLC/MPC/MPlayer.

Something like this.........right?? (Its a cropped out portion from the whole screenshot)



I now have one more dumb question maybe.
As hardware DVD players are either interlaced or progressive.........is that the same for Software players (VLC, MPC etc) as well??

[edDV]

That was interlaced and resized if that is the file.

1440x1080 is usually interlace but not a common retail size. 1440x1080 is usually a production size (e.g. HDV, XDCAM, HDCAM)

[edDV]

This is what 1440x1080 should look like. Very fine displaced horizontal lines. This is a 1x size crop.


This was low light and long auto exposure (Canon HV20 on tripod).

The full frame looked like this (downsized).

Car passing into the shot was a 70's Volvo.

[edDV]

I now have one more dumb question maybe.
As hardware DVD players are either interlaced or progressive.........is that the same for Software players (VLC, MPC etc) as well??

Hardware DVD players support output resolutions at 480i plus 480p (if progressive). Upscaling players also do 720p, 1080i and maybe 1080p.

Software players do 480i/480p but you can use your display card to upscale if you select "full screen". If the true frame size is 1440x1080, most likely "full screen" will downsize to your desktop size.

[DarrellS]

Divx Ultra certification does not include anything over SD resolutions. The ultra features only include things like menus, chapters, subtitles, and multiple audio streams.

That's what bummed me out when I bought my Philips 5140, I was under the assumption that it would play all the HD-DivX files that I had downloaded since it was Ultra DivX certified.

Looks like I'll have to dish out another $350 if I want a player that will do that.