[MPlayer-users] Help with ProRes/Decklink (was: Help with 32bit mplayer)

Reimar Döffinger Reimar.Doeffinger at gmx.de
Mon Sep 19 22:49:08 CEST 2011


On Mon, Sep 19, 2011 at 12:35:58PM -0600, Deron Kazmaier wrote:
> >>V:   0.6   0/  0 113% 46%  0.0% 0 0
> >While those numbers should be taken with a grain of salt,
> >it means that decoding alone already is slower than realtime
> >and the decklink vo code on it own also uses half of the CPU
> >time available for real-time.
> 
> So that is what those numbers (roughly) indicate!
> 
> Ok, so I can at least show a proof of concept to my friend, is it
> possible to decode to a raw file and then play that back? I don't
> want to reencode to another format for quality issues, but I
> expected two new chunks of code to be unoptimized speed wise.

Uh, actually for me that FFmpeg decoder is faster than the binary
QuickTime one.
Probably because when used from MPlayer the QuickTime one cannot use
threads.
I guess you probably did not set -lavdopts threads=...?


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