[winswitch] Fedora33 xpra h264 encoding support not working
terry at beam.ltd.uk
Wed May 26 14:44:04 BST 2021
On 26/05/2021 14:30, Michael Cronenworth via shifter-users wrote:
> On 5/26/21 8:17 AM, Terry Barnaby via shifter-users wrote:
>> As a slight aside to this. My "dnf install xpra" from the Fedora33
>> repositories + rpmfusion + fedora-cisco-openh264 repositories does in
>> fact have h264 and h265 support. So I presume the Fedora33 standard
>> ffmpeg is being extended to support h264 by "plugin" h264 packages
>> from those external repos. I'm not sure it supports hardware vaapi
>> h264/h265 though.
> No. FFMpeg does not support plugins.
> Installing 'xpra' will only install the Fedora package. Fedora
> packages cannot require an external package such as from RPMFusion
> (xpra-codecs-freeworld). You installed this yourself.
>> Actually I see that the Fedora33 xpra is using xpra-codecs-freeworld
>> from rpmfusion.
> Correct. It is possible to ship packages in RPMFusion that could
> either replace or extend software that requires patent encumbered
> software. The 'xpra-codecs-freeworld' package allows linking with
> ffmpeg and extending xpra support. Anyone could correct Fedora
> packaging to match upstream's (Antoine's) standards. Fedora is not a
> closed ecosystem. Many upstream maintainers publish their own packages
> directly in Fedora.
>> I presume with those hardware codecs the license is with the hardware ?
Are you sure that hardware based H264/HEVC encoder/decoder usage license
is not covered by the manufacturer/supplier of the hardware codecs ?
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