Hi guys,<div><br></div><div><p style="font-family:sans-serif;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;border-style:initial;border-color:initial;margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:7px;padding-right:0px;padding-bottom:7px;padding-left:0px;color:rgb(51,51,51);font-size:13px;line-height:19px;text-align:left;background-color:rgb(252,253,254)"> On my desktop, HD Videos sometimes lags (horizontal lines) when the camera moves too fast in the video. Searching on google said something about enabling hardware acceleration.</p><p style="font-family:sans-serif;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;border-style:initial;border-color:initial;margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:7px;padding-right:0px;padding-bottom:7px;padding-left:0px;color:rgb(51,51,51);font-size:13px;line-height:19px;text-align:left;background-color:rgb(252,253,254)"> I checked the pdf here <a href="http://download.intel.com/products/graphics/intel_graphics_guide.pdf" style="text-decoration:none;color:rgb(102,102,102);outline-style:none;outline-width:initial;outline-color:initial;font-weight:bold">specs</a> & it has something written about HD video playback.</p> <p style="font-family:sans-serif;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;border-style:initial;border-color:initial;margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:7px;padding-right:0px;padding-bottom:7px;padding-left:0px;color:rgb(51,51,51);font-size:13px;line-height:19px;text-align:left;background-color:rgb(252,253,254)"> So, I checked if I had libva package installed. It was installed but <span style="color:blue">libva-driver-intel</span> was not installed. So, I installed it.</p><p style="font-family:sans-serif;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;border-style:initial;border-color:initial;margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:7px;padding-right:0px;padding-bottom:7px;padding-left:0px;color:rgb(51,51,51);font-size:13px;line-height:19px;text-align:left;background-color:rgb(252,253,254)"> I did a restart & issued the command <span style="color:blue">vainfo.</span></p><p style="font-family:sans-serif;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;border-style:initial;border-color:initial;margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:7px;padding-right:0px;padding-bottom:7px;padding-left:0px;color:rgb(51,51,51);font-size:13px;line-height:19px;text-align:left;background-color:rgb(252,253,254)"> </p><pre style="border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;border-style:initial;border-color:initial;margin-top:0px;margin-bottom:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;font-size:1em;overflow-x:auto;overflow-y:auto;width:1029px;direction:ltr;color:rgb(34,34,34);background-color:rgb(235,241,245)"> <code style="font-size:1em;padding-top:0.75em;padding-right:0.75em;padding-bottom:0.75em;padding-left:0.75em;display:inline-block">shadyabhi@archlinux ~ $ vainfo libva: VA-API version 0.32.0 libva: va_getDriverName() returns 0 libva: Trying to open /usr/lib/dri/i915_drv_video.so libva: va_openDriver() returns -1 vaInitialize failed with error code -1 (unknown libva error),exit shadyabhi@archlinux ~ $ </code></pre><p></p><div><br></div><div><pre style="border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;border-style:initial;border-color:initial;margin-top:0px;margin-bottom:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;font-size:1em;overflow-x:auto;overflow-y:auto;width:1029px;direction:ltr;text-align:left;color:rgb(34,34,34);line-height:19px;background-color:rgb(235,241,245)"> <code style="font-size:1em;padding-top:0.75em;padding-right:0.75em;padding-bottom:0.75em;padding-left:0.75em;display:inline-block">shadyabhi@archlinux ~ $ pacman -Ql libva-driver-intel libva-driver-intel /usr/ libva-driver-intel /usr/lib/ libva-driver-intel /usr/lib/dri/ libva-driver-intel /usr/lib/dri/i965_drv_video.so libva-driver-intel /usr/share/ libva-driver-intel /usr/share/licenses/ libva-driver-intel /usr/share/licenses/libva-driver-intel/ libva-driver-intel /usr/share/licenses/libva-driver-intel/COPYING shadyabhi@archlinux ~ $ </code></pre></div><div><br></div><div><span style="color:rgb(51,51,51);font-family:sans-serif;font-size:13px;line-height:19px;text-align:left;background-color:rgb(252,253,254)">So, it's something like vainfo is searching for </span><span style="font-family:sans-serif;font-size:13px;line-height:19px;text-align:left;background-color:rgb(252,253,254);color:blue">/usr/lib/dri/i915_drv_video.so</span><span style="color:rgb(51,51,51);font-family:sans-serif;font-size:13px;line-height:19px;text-align:left;background-color:rgb(252,253,254)"> but the installed package has supplied </span><span style="font-family:sans-serif;font-size:13px;line-height:19px;text-align:left;background-color:rgb(252,253,254);color:blue">/usr/lib/dri/i965_drv_video.so</span><span style="color:rgb(51,51,51);font-family:sans-serif;font-size:13px;line-height:19px;text-align:left;background-color:rgb(252,253,254)">.</span></div> <div><span style="color:rgb(51,51,51);font-family:sans-serif;font-size:13px;line-height:19px;text-align:left;background-color:rgb(252,253,254)"><br></span></div><div><pre style="border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;border-style:initial;border-color:initial;margin-top:0px;margin-bottom:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;font-size:1em;overflow-x:auto;overflow-y:auto;width:1029px;direction:ltr;text-align:left;color:rgb(34,34,34);line-height:19px;background-color:rgb(235,241,245)"> <code style="font-size:1em;padding-top:0.75em;padding-right:0.75em;padding-bottom:0.75em;padding-left:0.75em;display:inline-block">shadyabhi@archlinux ~ $ lsmod | grep intel snd_hda_intel 23375 2 snd_hda_codec 89160 2 snd_hda_intel,snd_hda_codec_realtek snd_pcm 74780 2 snd_hda_codec,snd_hda_intel intel_agp 10904 1 i915 intel_gtt 14519 3 intel_agp,i915 snd_page_alloc 7153 2 snd_pcm,snd_hda_intel snd 59214 10 snd_timer,snd_pcm,snd_hwdep,snd_hda_codec,snd_hda_intel,snd_hda_codec_realtek shadyabhi@archlinux ~ $ </code></pre></div><div><br></div><div><span style="color:rgb(51,51,51);font-family:sans-serif;font-size:13px;line-height:19px;text-align:left;background-color:rgb(252,253,254)">After going through the link </span><a href="http://intellinuxgraphics.org/h264.html" style="font-family:sans-serif;text-decoration:none;color:rgb(102,102,102);outline-style:none;outline-width:initial;outline-color:initial;font-weight:bold;font-size:13px;line-height:19px;text-align:left;background-color:rgb(252,253,254)">http://intellinuxgraphics.org/h264.html</a><span style="color:rgb(51,51,51);font-family:sans-serif;font-size:13px;line-height:19px;text-align:left;background-color:rgb(252,253,254)">, I have also compiled libva with --enable-i915-driver option.</span></div> <div><span style="color:rgb(51,51,51);font-family:sans-serif;font-size:13px;line-height:19px;text-align:left;background-color:rgb(252,253,254)"><br></span></div><div><span style="color:rgb(51,51,51);font-family:sans-serif;font-size:13px;line-height:19px;text-align:left;background-color:rgb(252,253,254)">What could be wrong? Any help would be greatly apprec</span></div> -- <br>Regards,<br>Abhijeet Rastogi (shadyabhi)<br><a href="https://plus.google.com/107316377741966576356/" target="_blank">https://plus.google.com/107316377741966576356/</a><br><br> </div>