[MPlayer-users] Create an AVI with DD5.1 out of a DVD ?

[Tilo Renkl]

Got another strange output when replaying a dvd with:

mplayer dvd://1 -ac hwac3 -aid 128

-------------snip-------------

a52: CRC check failed!  0.792 ct: -0.106   28/ 28   0% 12%  0.3% 0 0 0%
a52: CRC check failed!  0.884 ct: -0.106   29/ 29   0% 12%  0.3% 0 0 0%
a52: CRC check failed!  0.880 ct: -0.110   29/ 29   0% 12%  0.3% 0 0 0%
hwac3: switched to DTS, 768000 bps, 48000 Hz1/ 31   0% 12%  0.3% 0 0 0%
hwac3: switched to AC3, 448000 bps, 48000 Hz
a52: CRC check failed!  
hwac3: switched to DTS, 768000 bps, 48000 Hz1/ 31   0% 12%  0.3% 0 0 0%
hwac3: switched to AC3, 448000 bps, 48000 Hz
a52: CRC check failed!  
hwac3: switched to DTS, 768000 bps, 48000 Hz3/ 33   0% 12%  0.3% 0 0 0%
hwac3: switched to AC3, 192000 bps, 48000 Hz
a52: CRC check failed!  0.956 ct: -0.130   34/ 34   0% 12%  0.3% 0 0 0%
a52: CRC check failed!  0.996 ct: -0.134   35/ 35   0% 13%  0.3% 0 0 0%
a52: CRC check failed!  1.128 ct: -0.138   37/ 37   0% 13%  0.3% 0 0 0%
a52: CRC check failed!  1.156 ct: -0.146   39/ 39   0% 13%  0.3% 0 0 0%

-------------snap-----------------

Maybe that's why that encoding fails ?! But what does that mean ?
And more important: How can I get rid of that ?

Tilo


> > >>>As far as I can see, mencoder detects the right audiostram 
> > (DD 5.1),
> > >>>but tries to reencode somehow to 2.0 ?!?!
> > >>>
> > >>>But see for yourself. This is my console output:
> > >>
> > >>IMO it's no big problem, just a bug in mencoder's header 
> > writing. The
> > >>5.1 audio is still there, and should be played just fine...
> > >>
> > > 
> > > I do not know what exactly is there, but I can say that it is no
> > > correct 5.1 sound. My receiver is going mad when I replay
> > > that file. Always switching between a few differend soundtypes.
> > > 
> > > Tilo
> > > 
> > 
> > If you want the 5.1 AC3 sound to go straight to your receiver, you
> > should use -ac hwac3 (and you might or might not need -ao alsa9,
> > depending on whether you use alsa).
> > 
> > If that doesn't do the trick, please post the output of:
> > 
> > mplayer -v -ac hwac3 yourmovie.avi
> > 
> 
> I always use mplayer/mencoder to encode or play movies.
> OK, to be more spezific:
> 
> I use MPlayer 1.0rc2
> I encode with mencoder dvd://1 -oac copy .....
> I play with mplayer movie.avi -hwac3 ...
> 
> And all I get is totally destroyed audio !!
> 
> Tilo
> 
> ps.: When playing the encoded movie with "mplayer movie.avi",
> so that mplayer transcodes the ac3 to pcm the sound is also
> destroyed.
> 
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