On Thu, Jun 16, 2022 at 9:41 AM Demi Marie Obenour <demiobenour@xxxxxxxxx> wrote: > > On 6/10/22 07:45, Martin Stransky wrote: > > On 6/10/22 11:44, Vitaly Zaitsev via devel wrote: > >> On 10/06/2022 05:08, Gary Buhrmaster wrote: > >>> I admit I have not checked, but does ffmpeg-free include > >>> the hardware GPU support for the various patented > >>> codecs (letting the GPU vendor pay the license costs > >>> for the decoder) and if not, would RH legal consider > >>> adding that hardware driver support acceptable to > >>> ffmpeg-free? > >> > >> Hardware decoding in ffmpeg is nonfunctional with stripped build-in > >> codecs parts. > > > > That's not exactly correct, for instance internal ffmpeg AV1 decoder is > > VA-API only, i.e. accelerated and ffmpeg does not ship internal SW decoder. > > > > OTOH I don't believe it's possible to use H.264 HW decoding without > > patented parts as the decoding involves buffers ordering/stream > > extraction and so on.' > > That might actually be a good thing from a security perspective, > inasmuch as it means that the parsing is happening in the host and > not in on-device firmware. Yes, hardware accelerated decoding is always partially in software for this reason. Whether it's in ffmpeg itself for VA-API or in the Intel Media Driver for QuickSync Video (QSV), the bitstream parsing is generally not on the hardware itself. -- 真実はいつも一つ!/ Always, there's only one truth! _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure