NVIDIA Helping Nouveau With Video Decoding
Written by Michael Larabel in Nouveau on 8 December 2013 at 12:36 PM EST. 4 Comments
While it isn't in the form of any complete documentation, a NVIDIA engineer has begun answering questions by the open-source Nouveau driver developers about video decoding with their H.264 engine.

This weekend I wrote about Nouveau turning on H.264 video decoding for the pre-fermi "NV50" NVIDIA GPUs. That work was followed by enabling MPEG-4 acceleration for the NV50 Gallium3D driver as well.

It turns out on Friday that NVIDIA's Ben Morris was providing some technical help to Ilia Mirkin while working on this open-source reverse-engineered video acceleration driver code. In a public mailing list post, he provided a few hints regarding H.264 video decoding on NVIDIA hardware, some clarifications regarding internal names, and filling in some previously unknown/magic values for the driver's H.264 structure.

Back in September was when NVIDIA shared they would begin supporting the Nouveau driver and assisting these independent open-source developers with some public documentation. Since then we've seen release a little bit of GPU documentation and then chime in on mailing list conversations from time-to-time as was done on Friday.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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