[mythtv-users] Video quality on 0.28 worse than it was on 0.21

[Allen Edwards]

Looks like the blacklist isn't working.


*allen at MythNew:~$ more  /etc/modprobe.d/nvidia-304_hybrid.conf*
*# This file was installed by nvidia-304*
*# Do not edit this file manually*

*blacklist nouveau*
*blacklist lbm-nouveau*
*alias nouveau off*
*alias lbm-nouveau off*

and

*allen at MythNew:~$ sudo lshw -C video*
[sudo] password for allen:
  *-display
       description: VGA compatible controller
       product: NV44 [GeForce 6200 LE]
       vendor: NVIDIA Corporation
       physical id: 0
       bus info: pci at 0000:01:00.0
       version: a1
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress vga_controller bus_master cap_list
rom
       *configuration: driver=nouveau latency=0*
       resources: irq:24 memory:fd000000-fdffffff memory:c0000000-dfffffff
memory:fc000000-fcffffff memory:c0000-dffff






On Fri, Aug 24, 2018 at 3:13 PM, Gregorio Gervasio Jr. <
gregorio.gervasio at gmail.com> wrote:

>
> >>>>> Stephen Worthington writes:
> [...]
> > I just looked up the 6600 in the Nvidia documentation, and as expected
> > it does not support VDPAU at all.  So with that card, there is no
> > point in installing the Nvidia drivers.  The 8600GT supports VDPAU
> > feature set A, which means it can do most of what MythTV wants, except
> > probably not the best deinterlacing modes.
>
> > Note that in order to use VDPAU, as well as installing the Nvidia
> > drivers, you have to configure mythfrontend to use a VDPAU mode.  See
> > the MythTV Wiki for the setup for this.  Without configuring
> > mythfrontend for VDPAU, output will be relying on the CPU only to do
> > the processing and the results will be bad on 720p or above unless the
> > CPU is new enough and powerfull enough to cope.
>
>
> It still makes sense to use the nVidia driver even if you don't use
> VDPAU.  I use an 8400GS without VDPAU and the nVidia 340xx driver.  As
> you say, the CPU has to be fast enough, but my 10-yr old Core2 Duo E8400
> is sufficient (even for 1.5x audio stretch of 1080i MPEG-2, as well as
> 1080p H264 Bluray).  If I use the nouveau driver, playback is not as
> smooth.
>
> I used to have a 6600 in another system with the same CPU and
> motherboard and I think I got similar results -- good with the nVidia
> driver, but not with nouveau.
>
> --
> Gregorio Gervasio Jr.        gregorio.gervasio at gmail.com
> GPG:  11A0 12AB 68F5 80D7 088E  C423 FA12 5EF9 DF30 192D
>
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