[MPlayer-users] -af volume

[Giacomo Comes]

On Mon, Jun 18, 2007 at 12:39:17PM -0400, Media Streaming Services wrote:
> Alexander Roalter wrote:
> >
> >> it mentions in the manual that once "-af volume=[v[:sc]]" is used, it
> >> is supposed to report overall maximum sound level and print. I've
> >> tried "-msglevel all=9" but still don't see the volume levels report.
> >> Is it the last field XX% on each frame??
> >
> >If I'm not at all mistaken (cannot test it from here), the last field is
> >the playback speed, not the volume. If I play my PAL movies at 24fps,
> >the line says 0.96%, which is 24/25.
> >
> >--
> >cheers,
> >Alex
> 
> I see, thanks Alex. But I still do not see the volume level report.
> The glitch I've notice is that mencoder's "-af volnorm" encodes first
> second or so at original volume level, then it boost/lowers the volume
> based on target aplitude (I assume). It doesn't sound very smooth  :(
> So I want mencoder to report vol level on 1st pass, and on second pass
> a bash script will generate "-af volume=xx:xx" based on it.

In order to have the volume report you need to use -af-adv force=n
with n>=4

This should go also in the doc.

Ciao
Giacomo