The VideoLAN Forums

Posted: **02 May 2010 14:35**

Hi,

I've compiled vlc 1.1.0 pre3 mysqlf. In the configure-script I get the following:

checking for LIBVA... yes
checking libavcodec/vaapi.h usability... yes
checking libavcodec/vaapi.h presence... yes
checking for libavcodec/vaapi.h... yes
VAAPI acceleration activated

But If I start vlc I have no VAAPI in the settings to choose for video-output. Do I have something missing? You can see the complete configure-log here: http://pastebin.com/Gbdaxq03

Greets

Posted: **02 May 2010 19:30**

--ffmpeg-hw

Posted: **02 May 2010 19:59**

Thanks for your help.

I tried this and it is really using VA-API

But I'm disappointed. It is working way worse than without vaapi. mplayer with vdpau is working perfectly the same file. Has anybody an idea that could be the problem? Or is it a known problem with vdpau-backend?

According to vainfo it should be installed ok:

Code: Select all

libva: libva version 0.31.0-sds6
Xlib:  extension "XFree86-DRI" missing on display ":0.0".
libva: va_getDriverName() returns 0
libva: Trying to open /usr/lib64/va/drivers/nvidia_drv_video.so
libva: va_openDriver() returns 0
vainfo: VA API version: 0.31
vainfo: Driver version: Splitted-Desktop Systems VDPAU backend for VA API - 0.6.9
vainfo: Supported profile and entrypoints
      VAProfileMPEG2Simple            : VAEntrypointVLD
      VAProfileMPEG2Main              : VAEntrypointVLD
      VAProfileH264Main               : VAEntrypointVLD
      VAProfileH264High               : VAEntrypointVLD
      VAProfileVC1Simple              : VAEntrypointVLD
      VAProfileVC1Main                : VAEntrypointVLD
      VAProfileVC1Advanced            : VAEntrypointVLD

You can see the vlc-log here: http://pastebin.com/RqkmiVYt

Posted: **05 May 2010 20:55**

Yep, can confirm that mpeg decoding works slower with vaapi, but vc1 works better. Previously I had 100% CPU and a very slow slide show while trying watch the movie in the vc1 codec

But now it 70-85% of CPU and videos plays smoothly.

Wow, I've just noticed that x246 works faster with 35-45% of CPU, whereas without vaapi it's 55-75%.

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