[MPlayer-users] more newbie questions

[D Richard Felker III]

On Sat, Feb 15, 2003 at 02:02:35AM -0600, Hugo González M. wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> >
> > How can I tell what video format a file is in? I note this during mplayer
> > start-up:
> >
> >   VIDEO:  []  720x480  24bpp  29.97 fps  6456.6 kbps (788.2 kbyte/s)
> >   VIDEO:  MPEG2  720x480  (aspect 2)  29.97 fps  12250.0 kbps (1531.2
> > kbyte/s)
> >
> > What's with the 29.97 fps? Is that really the frame rate of the source?
> > What output devices run at 29.97 fps? Why are there two VIDEO lines? And
> > why is one of them "^B"? What is "aspect 2"? Is that a widescreen format,
> > or something?
> >
> Ok, from 720x480 and the MPEG2 format  this is most probably from a DVD, 
> almost for sure, you gotta read up on the DVD format to quite understand 
> this. The 29.97 frames per second indicates a FILM rate (on real film it's 30 
> fps).

Film is 24 fps, not 30. Read the rest of this thread.

> The "aspect" indicates if the frame is TV shaped 4:3 or FILM shaped 16:9. 
> However, I'll point you to do 
> $man mplayer
> 
> and then look for the "aspect" parameter. There it'll say what aspect 2 is....

Nope, these numbers are unrelated. The "aspect 2" printed is some
internal mpeg code.

Rich