[mythtv-users] is it really 29.97 fps or 24 fps?

Jean-Yves Avenard jyavenard at gmail.com
Tue Sep 7 00:10:21 UTC 2010


Hi

On 3 September 2010 12:55, Brian J. Murrell <brian at interlinx.bc.ca> wrote:
> When I play a recording of a given television show (a drama, so filmed
> on real film, not video tape) recorded from clearqam with mplayer, it
> says about it:
>
> VIDEO:  MPEG2  720x480  (aspect 2)  29.970 fps  15000.0 kbps (1875.0 kbyte/s)
> [V] filefmt:29  fourcc:0x10000002  size:720x480  fps:29.970  ftime:=0.0334
>
> Yet if I step through it a frame at a time with `.' I can see quite
> clearly that it's (a) not interlaced but progressive and (b) that there
> are 24 frames in every second played.

Despite what you're seeing, mplayer sends 29.970fps to your TV.

If that's what it displays in the info, that's what it send.

It's the same info myth uses to determine how to play content.


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