Forwarding to John (M.) Martin. John
On Thu, 2009-01-29 at 11:12, Garrett D'Amore wrote: > How will applications determine whether VDPAU will work on their display > or not? > > Are there any plans for integrating this with any actual applications, > or with gstreamer or other desktop video apps? > > -- Garrett > > John Fischer wrote: > > Template Version: @(#)sac_nextcase %I% %G% SMI > > This information is Copyright 2009 Sun Microsystems > > 1. Introduction > > 1.1. Project/Component Working Name: > > Video Decode and Presentation API for Unix (VDPAU) > > 1.2. Name of Document Author/Supplier: > > Author: John Martin > > 1.3 Date of This Document: > > 29 January, 2009 > > 4. Technical Description > > Template Version: @(#)sac_nextcase 1.66 04/17/08 SMI > > This information is Copyright 2009 Sun Microsystems > > 1. Introduction > > 1.1. Project/Component Working Name: > > Video Decode and Presentation API for Unix (VDPAU) > > 1.2. Name of Document Author/Supplier: > > Author: John Martin > > 1.3 Date of This Document: > > 29 January, 2009 > > 4. Technical Description > > > > The Video Decode and Presentation API for Unix (VDPAU) is a development > > and runtime environment which provides decode, post-processing, > > compositing, > > and display of compressed and uncompressed video streams. It is not a > > standalone video player but instead an environment which can be used > > by video players and other video applications. It also does not address > > content protection. > > > > The VDPAU API is initially defined and implemented by NVIDIA. > > The implementation of libvdpau.so is a DSO frontend that can load > > any vendor's backend driver. libvdpau.so will be open sourced > > with a MIT-X11 license and hosted by X.Org. > > > > As of this writing, the VDPAU API provides the following features: > > + GPU-accelerated decode of MPEG-1, MPEG-2, H.264, WMV-3 and VC-1 > > bitstreams > > + Post-processing of decoded video, including temporal and > > spatial deinterlacing, inverse telecine, and noise reduction > > + Timestamp-based presentation of final video frames > > + Compositing sub-picture, on-screen display, and other UI elements > > > > It is important to note this is limited to GPU accelerated so > > support depends on the hardware. There is not a software fallback > > path in VDPAU if the hardware does not support these features. > > Also, even though VDPAU provides a large subset of the PureVideo HD > > functionality delivered on Windows, there is no guarantee all > > PureVideo features are (or will be) delivered on Solaris. > > > > While the API will be classified as volatile for this document, > > the plan is to maintain backward compatibility in future releases. > > > > Delivery will be in the existing SYSV package NVDAgraphics which > > installs files in the following directories: > > > > /usr/include/vdpau: VDPAU headers > > /usr/lib: VDPAU 32-bit libraries > > /usr/lib/amd64: VDPAU 64-bit libraries > > > > The main web page for VDPAU is: > > http://http.download.nvidia.com/XFree86/vdpau/doxygen/html/index.html > > This includes documentation for the API. Documentation is not part > > of the package delivery for Solaris. > > > > Support for VDPAU is provided by NVIDIA through their developer forum. > > > > Bugtraq: nvidia/nvidia/other > > > > Interfaces Exported > > Interface Classification Comments > > ----------------------------------------------------------------- > > /usr/include/vdpau/vdpau.h Volatile Defined by NVIDIA > > /usr/include/vdpau/vdpau_x11.h Volatile Defined by NVIDIA > > /usr/lib/libvdpau.so.1 Volatile Defined by NVIDIA > > /usr/lib/libvdpau.so Volatile Defined by NVIDIA > > /usr/lib/amd64/libvdpau.so.1 Volatile Defined by NVIDIA > > /usr/lib/amd64/libvdpau.so Volatile Defined by NVIDIA > > > > The libraries /usr/lib[/amd64]/libvdpau_nvidia.so.1 and > > /usr/lib[/amd64]/libvdpau_trace.so.1 are private objects > > and should not be linked in for normal application development. > > > > 6. Resources and Schedule > > 6.4. Steering Committee requested information > > 6.4.1. Consolidation C-team Name: > > X > > 6.5. ARC review type: FastTrack > > 6.6. ARC Exposure: open > > > > 6. Resources and Schedule > > 6.4. Steering Committee requested information > > 6.4.1. Consolidation C-team Name: > > JDS - X > > 6.5. ARC review type: FastTrack > > 6.6. ARC Exposure: open > > > > >
