Invisible wrote:

> Apparently Virtual Dub doesn't like MPEG2, but there's a thing called 
> "Virtual Dub Mod" which handles it. I downloaded and installed this last 
> night, and sure enough it will open and play the video file.
> 
> However... the sound is encoded with something called "AC-3", which 
> apparently isn't supported. So there's no sound. (Recall that the sound 
> is the part I'm most interested in keeping.)
> 
> At first I was truly upset about this. But now it occurs to me: I'm only 
> trying to *edit* the thing. Virtual Dub Mod can't *decode* the audio, 
> but it may well still be able to *copy* it regardless. And since it 
> *can* decode the video, I can still see what I'm editing. This might 
> actually work...

...but no, it doesn't work. Or rather, Virtual Dub Mod will load but not 
save MPEG files, and apparently you can't embed MPEG video data into an 
AVI container. So I either have to completely decompress the video, or 
re-encode it with a different codec.

> The slightly clunky alternative is to just cut the physical file into 
> pieces and see if it still plays. Various sources claim that the MPEG2 
> container format is supposed to survive this, so we'll see... (But 
> hopefully I won't need to try this.)

So I guess this is what I'll be trying next...

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