[Mplayer-users] Audio sync in differing framerates

Arpi arpi at thot.banki.hu
Thu Apr 26 17:32:11 CEST 2001


> I got an mpg movie, in which the sound tends to break up in parts when
> getting about 10 secs in the movie.
> I tried it in MpegTV and it played fine, but I noticed, that the framerate
> dropped from 30 to 25 while playing it (not that it was that noticable).
> In MpegTV the audio still synced with the video regardless of the frame
> rate drop.
> So I decided to try "mplayer -fps 25". Now the sound and video played fine
> but the audio did not sync with the video as it did in MpegTV. and
> suggestions as to how to fix this?
You can't...
if you reduce video framerate to 25fps, then audio should be reduced too..

mpegtv (and many other players) uses frame dropping. mplayer can't do this,
at least in its current state. it's a planned feature for future versions,
but not yet done.

A'rpi / Astral & ESP-team

mailto:arpi at thot.banki.hu

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