video question

[no one]

Hey guys, I'm using Avidemux 2.4 GTK+ to open a FLV video but when I open it, it show me this:

But when I open it with RealPlayer, it can still play the video. Any idea???

[Silverthorn]

Do you just want to watch FLVs or convert them into a different format? As I have absolutely no clue why this message appears, I'll just give you these:
Watching: >FLV Player<
Converting: >SUPER<

[no one]

I want to edit them. Like mix 2 videos into one and stuff like that.

[Silverthorn]

yea, then I suggest you take the second link, convert the video into something like avi or mpeg and smash it into a video editing software (anything between Windows Movie Maker and Adobe Premiere Pro)