[mythtv-users] Re: HDTV sound okay, but no video

Sammo sammo2828 at gmail.com
Fri Jul 15 19:34:11 EDT 2005

Further to my previous emails, mythfrontend -v playback >log.txt shows
a whole bunch of these lines:

X Error: BadAlloc (insufficient resources for operation) 11

On 7/16/05, Sammo <sammo2828 at gmail.com> wrote:
> Okay, I just realised it may have something to do with DRI or Direct
> Rendering. The description of the problem in my previous email happens
> when DRI is enabled, Option "no_dri" "no".
> When DRI is disabled, "no_dri" "yes", SD channels are also fine,
> except XFree86 uses around 15%cpu (compared to 2.5%cpu with DRI). For
> HD channels, the video can be seen, although it's very jumpy, probably
> because XFree86 also takes up a lot of %cpu (close to 99%). Audio is
> jumpy as well. Seems that disabling DRI gives images on the screen,
> but makes the computer too slow to decode all the frames and audio.
> So, it appears that it may have something to do with DRI, and at this
> point I don't know enough about how mythtv works to do any more
> troubleshooting.
> Please, if anyone has any suggestions on what I could look for, I
> would be very happy!
> On 7/15/05, Sammo <sammo2828 at gmail.com> wrote:
> > Athlon XP 2500+, ATI Radeon 9550, Twinhan Visionplus DVB-T
> > Linux
> > XFree86 4.3
> > ATI fglrx-4-3-0_8.14.13-2_i386 driver with fglrx kernel module
> > compiled and installed
> > Mythtv 18.1 compiled for athlon-xp
> >
> > SD channels work fine, with around 18%cpu for mythfrontend and 2.5%cpu
> > for XFree86
> >
> > HD channels have perfect audio, but NO VIDEO!! 48%cpu for mythfrontend
> > and 0.5%cpu for XFree86. If I change from a SD channel to a HD
> > channel, the last frame of the SD channel remains on the screen. When
> > I change back to a SD channel from a HD channel, the SD channel is
> > fine again.
> >
> > Tried turning off de-interlacing, and tried using libmpeg2 for
> > decoding, but same problem.
> >
> > Any ideas appreciated.
> >
> > Thanks ...
> >

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