[Mplayer-users] changing audio playback rate
spark at dds.nl
Thu Apr 19 17:12:23 CEST 2001
I just subscribed to this mailinglist, sorry for breaking the thread. In the
message quoted below you say you see no reason for changing the audio rate.
May I say that this is a feature that I would really like ! As I have a PAL
tv that really handles 24 fps movies badly (stutters every second) I would
just love being able to set the fps to 25 (this is possible now) and change
the audio rate with the same factor (I don't mind the little pitch effect).
This would enable me to watch even 24 fps movies without stutter on my TV !
Well, just my idea about that :) May I finally say that I really like
mplayer, great job !
DATE: 04/17/2001 21:22:59
SUBJECT: RE: Re: [Mplayer-users] changing audio playback rate
> > > Hi... I recently came across a DivX (DIV3) video with MPEG layer-3 audio
> > > that plays at an incorrect framerate... It is reported as 23.98 fps
> > > but should be played at 27-30 fps. I fixed this with -fps 30 but
> > > unfortunately this does not change the audio playback rate.
> > > Can this be changed as well? (Let me know if you need the .avi file)
> > Not... you should change (fix) the AVI header.
> > I don't like the idea of some new switch and code to support one bad file.
> Well, shouldn't there be an equivalent of -fps for audio?
Ehh, it is not so simple...
I can't manipulate audio rate without losing a-v sync... everything is
syncronized to the audio. And I see no sense of changing audio rate.
> > Isn't the problem is 44khz vs 48khz audio? (48khz in file, but soundcard
> > limited to 44?)
> Yeah, that's likely - it's a Creative SB64 Gold (ISA PnP)...
> Any way to fix that in software? I'm using linux OSS drivers right
> now... (no alsa)
Not yet. We'll move to libxmm, it supports (or at least will support)
Currently the only way is changing the card :)
A'rpi / Astral & ESP-team
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