MP4 With Two Video Streams?

[Trekker4747]

I've purchased and downloaded an MP4 that apparently has two video streams on it, though for the life of me I cannot figure out why this is the case.

The software I use to create DVDs doesn't support files with two video-streams so it's giving me fits on being able to generate the DVD.

First of all, is there any way you can think of that the MP4 would have two video streams on it. Secondly, is there software available to perhaps remove the extraneous video stream?

 

[Melakon]

First, I have no idea.

But checking Google for "two video streams", it looks like it has something to do with 3D Blu-Ray.

 

[Metryq]

Secondly, is there software available to perhaps remove the extraneous video stream?

Platform? Since you didn't say, I'm guessing Windows.

VLC (VideoLAN.org) is an excellent, multi-platform player. Its info window can tell you how many channels are in the file, what kind of media is in those channels, etc.

MediaInfo might also be helpful.

Once you know what you are dealing with, it may be easier to figure out how to do things with the file.

Out of curiosity, could this "downloaded" file possibly be protected with DRM? That was my first thought.

 

[tomswift2002]

I know that some consumer AVCHD camera's record dual-stream AVCHDMP4 so that you have an HD file and a file that is more Internet friendly. And in some cases there are certain functions that you can only do in either format.

But if you are going to DVD (and if the file is AVCHD) then you are going to have to convert the video to SD, as DVD-Video is Standard Definition. You could make an AVCHD DVD, but that would only playback in Blu-Ray players and computer drives.

 

[intrinsical]

Its usually used for 3D video, one stream for the left eye and the other for the right eye. I know there's a rather complicated set of instructions that would make VLC mix the two streams so you can watch them with a pair of 3D glasses. I saw them on the web once...

 

[Trekker4747]

It wasn't a 3D video or anything like that, it was a legit-bought standard video MP4.

Anyway, I don't know what the problem was but I got it figured out by splitting it, converting it to another file-type, then re-combining it and making it an MP4 again.