[vdr] New Video Decode and Presentation API from NVidia

Alex Betis alex.betis at gmail.com
Fri Nov 14 20:21:49 CET 2008


Good news!

Competition with Intel benefits us all :)

On Fri, Nov 14, 2008 at 9:03 PM, Goga777 <goga777 at bk.ru> wrote:

> FROM XORG lIST
>
>
> I'm pleased to announce a new video API for Unix and Unix-like platforms,
> and a technology preview implementation of this API from NVIDIA.
>
> The API is called VDPAU (Video Decode and Presentation API for Unix).
>
> The current API documentation is here:
>
>     ftp://download.nvidia.com/XFree86/vdpau/doxygen/html/index.html
>
> Some highlights of VDPAU:
>
>     * Defines an API for GPU-accelerated decode of MPEG-1, MPEG-2, H.264,
> and
>       VC-1 bitstreams.
>     * Defines an API for post-processing of decoded video, including
>       temporal and spatial deinterlacing, inverse telecine, and noise
>       reduction.
>     * Defines an API for timestamp-based presentation of final video
>       frames.
>     * Defines an API for compositing sub-picture, on-screen display,
>       and other UI elements.
>
> Note that VDPAU does not address content protection.
>
> Some highlights/limitations of NVIDIA's current implementation:
>
>     * Supported on NVIDIA GPUs with the NVIDIA second generation video
>       processors (see the end of this announcement for a complete GPU
> list).
>     * Currently, only one video stream can be decoded at a time; we hope
>       to lift this restriction eventually.
>     * Available in the 180.06 NVIDIA public beta release:
>         http://www.nvidia.com/object/linux_display_ia32_180.06.html
>         http://www.nvidia.com/object/linux_display_amd64_180.06.html
>         http://www.nvidia.com/object/freebsd_180.06.html
>         http://www.nvidia.com/object/solaris_display_180.06.html
>
> The VDPAU support in the NVIDIA 180.06 beta release is still very
> preliminary.  We are aware of cases of visual corruption and in some
> cases GPU hangs.  We will be working on these issues over the next
> several NVIDIA driver releases.
>
> While NVIDIA's VDPAU implementation is not ready for end user use yet,
> it should be far enough along that interested application developers
> can begin working with it.
>
> Additionally, NVIDIA has developed patches to ffmpeg and MPlayer to
> demonstrate a video player using VDPAU:
>
>     ftp://download.nvidia.com/XFree86/vdpau/mplayer-vdpau-3076399.tar.bz2
>
> These patches include changes against libavcodec, libavutil, ffmpeg,
> and MPlayer itself; they may serve as an example of how to use VDPAU.
>
> Once we do some further testing, bugfixing, and cleanup, we will
> contribute the MPlayer patches to the MPlayer developers.
>
>
> If other hardware vendors are interested, they are welcome to also
> provide implementations of VDPAU.  The VDPAU API was designed to allow
> a vendor backend to be selected at run time.
>
>
> Thanks,
> Andy Ritger
> Manager, NVIDIA Linux Graphics Driver
>
>
>
> VDPAU is currently supported on the following NVIDIA GPUs:
>
>     Desktop GPUs:
>      GeForce 200 Series
>      GeForce 9 Series
>      GeForce 86xx Series
>      GeForce 85xx Series
>      GeForce 84xx Series
>      GeForce 8800 GTS 512
>      GeForce 8800 GT
>      GeForce 8800 GS
>
>     Mobile GPUs:
>      GeForce 98xxM
>      GeForce 9700M
>      GeForce 96xxM
>      GeForce 9500M
>      GeForce 9300M
>      GeForce 9200M
>      GeForce 8800M
>      GeForce 8800M GTS
>      GeForce 8800M GTX
>      GeForce 8600M
>
>     Motherboard GPUs:
>      GeForce 9400
>      GeForce 9300
>      GeForce 9100
>      GeForce 8300
>      GeForce 8200
>
> VC-1 support in NVIDIA's VDPAU implementation currently requires GeForce
> 9300 GS, GeForce 9200M GS, GeForce 9300M GS, or GeForce 9300M GS.
>
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>
>
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