[SOLVED] So, which is better; VDPAU or VAAPI?

Hey all,
I'm trying to get a grasp on what VDPAU and VAAPI actually mean. Before, on my old laptop which had an AMD card I really didn't care much because all I could use was VAAPI anyway. Now that my new laptop (Intel graphics) supports both, I'm wondering which is better? Perhaps "better" is not the right word, but you get what I mean I hope.
I tried reading some on Google, but I'm not getting much wiser. All I know now is that VDPAU is NVIDIA's equivalent to Intel's VAAPI and that if your program/driver supports VAAPI, it supports a subset of VDPAU?
I know that in order to use VDPAU, I have to use libvdpau-va-gl which seems to be some sort of wrapper/hackish solution? In that case, wouldn't it be better to just use VAAPI which is natively supported by Intel's driver?
As you see, I'm not getting much of this and I hope you can enlighten me!
Last edited by Unia (2013-10-30 17:38:42)

donniezazen wrote:VAAPI is the native protocol for Intel graphic cards and VDPAU is for Nvidia.
Incorrect. They are both, as I said, APIs. Any driver can implement either of them. Intel implements VAAPI, but the open source radeon and nouveau drivers implement VDPAU. The proprietary Nvidia driver implements VDPAU too.
But there's nothing (except developer interest) preventing Intel from implementing VDPAU, or radeon/nouveau from implementing VAAPI. It's a developer choice, nothing more.
donniezazen wrote:VAAPI requires libva-intel-driver and libva-vdpau-driver for Intel and Nvidia respectively.
Not quite. libva-intel-driver is indeed for Intel. But libva-vdpau-driver is a wrapper - when VLC used to be VAAPI only, libva-vdpau-driver allowed you to get hardware acceleration in it with the Nvidia proprietary driver. Nowadays VLC supports both VAAPI and VDPAU, so libva-vdpau-driver isn't needed anymore.
donniezazen wrote:VDPAU requires libvdpau-va-gl/libva-intel-driver and nvidia-utils for Intel and Nvidia respectively.
Again, not quite. libvdpau-va-gl is a wrapper, required only if you want to use Intel with applications that support VDPAU only, like flash or mplayer. VLC and mpv support VAAPI, so libvdpau-va-gl isn't needed with them.
donniezazen wrote:I am wondering if I should install all those packages and set VLC to automatic and let it appropriately choose. I have Optimus laptop but 90% time I use Intel card.
All you need for Intel with VLC is libva-intel-driver, nothing else. You can also install libvdpau-va-gl to use Intel with flash.
I'd keep the Nvidia card deactivated for video decoding, no sense using extra power when Intel can do it. The only advantage Nvidia has is advanced deinterlacing.

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[SOLVED] So, which is better; VDPAU or VAAPI?

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