[MPlayer-users] Smooth DVD Playback And OpenGL

Jason Van Cleve jason at vancleve.com
Fri May 31 08:02:01 CEST 2002


Rob, thanks, but your suggestion comes right out of the doc's, which
I've read more than once already.  As I said, DMA is enabled on my
drive:  if it weren't, Xine and Ogle would probably play funny too. 
Here's my output from hdparm (probably just like yours):

/dev/hdd:
 HDIO_GET_MULTCOUNT failed: Invalid argument
 I/O support  =  1 (32-bit)
 unmaskirq    =  1 (on)
 using_dma    =  1 (on)
 keepsettings =  0 (off)
 HDIO_GET_NOWERR failed: Invalid argument
 readonly     =  1 (on)
 readahead    =  8 (on)
 HDIO_GETGEO failed: Invalid argument
 busstate     =  1 (on)
 HDIO_GET_ACOUSTIC failed: Invalid argument

Sergei, as I've mentioned, I've tried the -cache option already, using
several different values from 256 up to 20000.  The result is always the
same, which suggests to me this is a problem in the video output chain,
not the IDE read process.

Any other ideas?  Sounds like I should make a bug report, but I'm
hesitant about that, because there are really two separate issues here,
DVD video output and the GL modules.

--Jason V. C.


On 30 May 2002 23:29:34 -0400
Rob Wallace <rwallace at videotron.ca> wrote:

> [Automatic answer: RTFM (read DOCS, FAQ), also read
> DOCS/bugreports.html]
>   But DVD playback (only DVDs, not AVIs) is a little
> > jerky with Mplayer (0.90pre4, built from source), just enough to be
> > irritating.  
> 
> I was having the same problem and I have almost the same hardware and
> software (Intel here). The jerky play back only affected DVD movies.
> 
> > 
> >         LFS 3.3
> >         kernel 2.4.18
> >         libc 2.2.5
> >         XFree86 4.2.0
> >         gcc 2.95.3
> >         ld 2.12
> >         as 2.12
> >         Nvidia drivers 1.0.2960
> >         ALSA 0.9.0rc1
> > 
> 
> At first I thought it was the 2.4.18 kernel because when I rebooted
> (same Linux) with 2.4.9 everything was fine. In the end I found
> setting'hdparm -d1 -a8 -u1 /dev/cdrom' solved the problem with the
> 2.4.18 kernel. Maybe that will work for you.
> 
> Rob
> 
> 
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