DVD choppy

[Kevin Kempter]

On Monday 29 January 2007 23:41, Dotan Cohen wrote:
> On 29/01/07, alan <alan at clueserver.org> wrote:
> > On Mon, 29 Jan 2007, Dotan Cohen wrote:
> > > On 29/01/07, alan <alan at clueserver.org> wrote:
> > >> It is an Intel 945GM Chipset (according to the dmesg log posted).
> > >>
> > >> Sound like either the hardware acceleration is not enabled or the
> > >> player is using a video mode that is inefficient or not working.
> > >
> > > Thanks, Alans. How would one go about enabling the hardware
> > > acceleration or changing the video mode?
> > >
> > > I'm having problems in all players: Kplayer (based on mplayer),
> > > kaffiene, and I think Noatun (I can't get past the menu selection on
> > > Noatun). However, I just checked vlc and it works fine. I'd still like
> > > to fix kplayer, though.
> >
> > Are you launching it from a menu item or a command line?  If you are
> > using a menu item, try using the command line and see if any interesting
> > error messages get printed.  Maybe you have something misconfigured and
> > it is just being slow instead of erroring out.
>
> [dotancohen at localhost ~]$ kaffeine
> 0
> QLayout "unnamed" added to QWidget "unnamed", which already has a layout
> [dotancohen at localhost ~]$ libdvdnav: Using dvdnav version 0.1.10 from
> http://dvd.sf.net
> libdvdread: Using libdvdcss version 1.2.9 for DVD access
> libdvdnav: DVD Title: Black_hawk
> libdvdnav: DVD Serial Number: c09cc209
> libdvdnav: DVD Title (Alternative): Black_hawk
> libdvdnav: Unable to find map file
> '/home/dotancohen/.dvdnav/Black_hawk.map' libdvdnav: DVD disk reports
> itself with Region mask 0x00c00000.
> Regions: 1 2 3 4 5 6
>
> libdvdread: Attempting to retrieve all CSS keys
> libdvdread: This can take a _long_ time, please be patient
>
> libdvdread: Get key for /VIDEO_TS/VIDEO_TS.VOB at 0x0000013e
> libdvdread: Elapsed time 0
> libdvdread: Get key for /VIDEO_TS/VTS_01_0.VOB at 0x000001da
> libdvdread: Elapsed time 0
> libdvdread: Get key for /VIDEO_TS/VTS_01_1.VOB at 0x000013f0
> libdvdread: Elapsed time 0
> libdvdread: Get key for /VIDEO_TS/VTS_02_0.VOB at 0x00342f0e
> libdvdread: Elapsed time 0
> libdvdread: Get key for /VIDEO_TS/VTS_02_1.VOB at 0x00342f26
> libdvdread: Elapsed time 0
> libdvdread: Get key for /VIDEO_TS/VTS_03_1.VOB at 0x003d13e6
> libdvdread: Elapsed time 0
> libdvdread: Found 3 VTS's
> libdvdread: Elapsed time 0
>
>
> Kplayer now refuses to play the disk. When launching kplayer I noticed
> something strange:  When opening the FIle drive with no disk in the
> drive Kplayer usually has a menu item "DVD Device" and when there is a
> disk that same menu item changes to the name of the disk. Now, that
> menu item is rapidly changing from "DVD Device" to "Black Hawk" (or
> the name of whatever disk I'm trying to play). There is also absolutly
> no output to the command line:
> [dotancohen at localhost ~]$ kplayer
> [dotancohen at localhost ~]$
>
> Just for comparison, this is the output of the (working, not choppy) VLC:
> [dotancohen at localhost ~]$ vlc
> VLC media player 0.8.6a Janus
> libdvdnav: Using dvdnav version 0.1.10 from http://dvd.sf.net
> libdvdread: Using libdvdcss version 1.2.9 for DVD access
> libdvdnav: DVD Title: Black_hawk
> libdvdnav: DVD Serial Number: c09cc209
> libdvdnav: DVD Title (Alternative): Black_hawk
> libdvdnav: Unable to find map file
> '/home/dotancohen/.dvdnav/Black_hawk.map' libdvdnav: DVD disk reports
> itself with Region mask 0x00c00000.
> Regions: 1 2 3 4 5 6
>
> libdvdread: Attempting to retrieve all CSS keys
> libdvdread: This can take a _long_ time, please be patient
>
> libdvdread: Get key for /VIDEO_TS/VIDEO_TS.VOB at 0x0000013e
> libdvdread: Elapsed time 0
> libdvdread: Get key for /VIDEO_TS/VTS_01_0.VOB at 0x000001da
> libdvdread: Elapsed time 0
> libdvdread: Get key for /VIDEO_TS/VTS_01_1.VOB at 0x000013f0
> libdvdread: Elapsed time 0
> libdvdread: Get key for /VIDEO_TS/VTS_02_0.VOB at 0x00342f0e
> libdvdread: Elapsed time 0
> libdvdread: Get key for /VIDEO_TS/VTS_02_1.VOB at 0x00342f26
> libdvdread: Elapsed time 0
> libdvdread: Get key for /VIDEO_TS/VTS_03_1.VOB at 0x003d13e6
> libdvdread: Elapsed time 0
> libdvdread: Found 3 VTS's
> libdvdread: Elapsed time 0
> [00000339] a52 decoder: A/52 channels:6 samplerate:48000 bitrate:448000
> No accelerated IMDCT transform found
> [00000360] a52 decoder: A/52 channels:6 samplerate:48000 bitrate:448000
> No accelerated IMDCT transform found
>
> For comparison, I put another known-good disk in, and Kaffeine played
> the first 20 seconds, then complained that it "could not read from the
> original". It was choppy during this time. Nothing was reported on the
> command line, however, that wasn't when trying the first disk. Kplayer
> did the same name-switching game that it did with the first disk
> (again with no console output), and vlc played fine.
>
> Dotan Cohen
>
> http://dotancohen.com/photoalbum/images/index.htm
> http://what-is-what.com/what_is/electromagnet.html

This worked for me (I have an SATA drive):


http://www.fedoraforum.org/forum/showthread.php?p=556704&mode=threaded