Nerd-Talk: Cuda Support Problems with CoreAVC 2.0 (for Windows)?

Deutsche Version weiter unten.
German Version on the end of this Post.

I Discovered a problem using the CoreAVC 2.0 Codec with my ION GPU. Using the latest mplayer classic I tried to play some MKVs (Matroska). The CoreAVC started playback, but without Cuda Support, pushing my CPU to nearly 90% usage. I use a Zotac ION D Motherboard with an Intel Atom 330 (Dual-Core) as CPU and a ION GPU with 16 Cuda-Cores.

… which didn’t work, which was a little disappointing. I bought the CoreAV Licence to have an convenient way playing HD stuff, and now nothing seems to work…

After all, here is the soultion that helped me:

– first, check if Hardware acceleration is forced by the CoreAV Codec. YOu can do that by opening the CoreAV „Decoder Properties Panel – Options“ and selecting „Prefer Cuda Acceleration“ on the checkboxes at the lower-left side. If this field isn’t available, check if your Card is supported and if you have the latest NVIDA drivers installed.

– next, still on the CoreAV Decoder Properties Panel, check the box „Use Tray Icon“. This will help you detect if the GPU-Acceleration is in use. the tray Icon appears if you start a Film that it can decode, and if it is set as standard decoder in your player-software. If the Icon turns green while playback, The GPU is in use. If not, decoding is all done by the CPU, which is okay if it has enough power, but for me and my ATOM-CPU 1080p Movies became a pain in the ass. (stuttered, overheating, up to 90% Usage etc.)

– If you done all that and the Tray-Icon appears, but stays blue while playback. (that was my situation) restart your Computer and go to the BIOS-Menu. This Problem seems to appear often on embedded graphic-Cards, such like the ION chipset or the Geforce 9300. These Cards use shared RAM. If you increase the ammount of RAM available to the Graphic Card (to aprox. 512 MB) the problem should be solved. GPU support finally works.

—-

Deutsche Version:

Cuda Hardware GPU unterstützung bei CoreAVC 2.0 (for Windows)

Da ich keine Lust habe nun alles nochmal in deutsch zu schreiben hier nur die Eck-Punkte:

– Treiber Checken (neuste NVIDA treiber für alle Komponenten empfohlen)
– Check im CoreAVC Konfigurations Menü ob „Prefer Cuda Acceleration“ aktiviert ist. (zu finden unten links im Reiter „Options“)
– Dort ebenfalls „“Use Tray Icon“ Aktivieren
wird beim Abspielen eines CoreAVC kompatiblen films nur ein blaues Icon im Tray-Menü angezeigt, wird zwar der richtige Decoder verwendet, aber keine Hardwarebeschleunigung der Grafikkarte.
– Rechner neu starten, ins BIOS gehen und der Grafik-karte mehr Speicher zuweisen (ca. 512 MB wären ratsam. demensprechend sind mindestens 1 GB System-RAM von Nöten, Windows und die Programme wollen ja auch irgendworauf laufen). Einstellugnen speichern und neu starten. Das Icon müsste sich nun grün färben und Filme über die GPU encodiert werden. Juchu!

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