[Intel-gfx] VAAPI (master or ext) no deinterlacing with Clarkdale GPU

Atechsystem Atechsystem at freenet.de
Sun Jan 29 20:56:11 CET 2012



I’ve written an email to Haihao Xiang regarding the “no deinterlacing” bug
on Clarkdale a week ago and he answered today. He will check this issue.
I’ll hope he can fix it. Will the extended vaapi-ext deinterlacers (temporal
or spatial I guess) also be available on Clarkdale platform? I tried the
extended DXVA hardware deinterlacing on Windows today and it worked fine on
my CoreI3 Clarkdale Laptop CPU J


Best regards



Von: alanwww1 [mailto:alanwww1 at gmail.com] 
Gesendet: Samstag, 28. Januar 2012 21:23
An: atechsystem at freenet.de
Betreff: Re: [Intel-gfx] VAAPI (master or ext) no deinterlacing with
Clarkdale GPU




Please note that you need to increase microversion of intel_vaapi driver so
xbmc gets deinterlacing turned on:


See the end of my guide: http://forum.xbmc.org/showthread.php?t=114368


Try it like that. For Sandy Bridge it works.



2012/1/28 <atechsystem at freenet.de>


I tried the vaapi master and ext-libary including the vaapi-intel-driver
from your repository.

My Hardware:

- intel Clarkdale Core I3 540 / I5 661 (I have two different systems)

- H55 chipset

- TV over HDMI @ 50Hz


- Arch Linux 64 Bit with:

- Kernel: linux 3.1.9-2 (base) - Xorg: xorg-server 1.11.3-1 (xorg) - Grafik:
xf86-video-intel 2.17.0-2 (xorg-drivers xorg) - libva-ext 20120110-5
VAAPI-ext library for intel cards - vaapi-intel-driver 20120110-2 Intel
backend for VA API: 1.0.17.pre1 (patched to version x.17-pre for xbmc
interlacing option) - Alsa: alsa-utils - vdr: vdr 1.7.23-1 -
SoftHD: vdr-plugin-softhddevice-server-git 20120120-1 - Streamdev:
vdr-plugin-streamdev-server-git - ffmpeg 20120111-1 - xbmc-git 20110120-1 


libva: VA-API version 0.32.0 libva: va_getDriverName() returns 0 libva:
Trying to open /usr/lib/dri/i965_drv_video.so libva: va_openDriver() returns
0 vainfo: VA-API version: 0.32 (libva 1.0.16.pre1) vainfo: Driver version:
Intel i965 driver - 1.0.17.pre1 vainfo: Supported profile and entrypoints
VAProfileMPEG2Simple :VAEntrypointVLD VAProfileMPEG2Main :VAEntrypointVLD
VAProfileH264Baseline :VAEntrypointVLD VAProfileH264Main :VAEntrypointVLD
VAProfileH264High :VAEntrypointVLD 

and also vaapi-master branch 

I checked the newest XBMC-GIT version with vaapi-ext deinterlacing support,
a new vaapi plugin for the vdr (video disk recoder from Klaus Scmindiger to
watch and record TV) with vaapi deinterlacing support and the xine-vaapi
branch form Edgar Hucek.

In addition I checked all available options to select the bob deinterlacer,
but every time I don't get interlace output.

XBMC shows me a doubled framerate count but no deinterlaced video.

Also mplayer-vaapi and VLC with vaapi support don't show any hardware
deinterlacing. To get more informations, I shared my expierences with other
vaapi users and they told me as well that they only have deinterlacied
output with the newer Sandy Bridge chipset only.

Is it now (or in the future) possible to get deinterlaced output with the
first "Core Ix Clardale" prozessor family? Or is there any difference
between the Clarkdale/Sandybridge vaapi version one should regard, to get
the deinterlacing working?




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