[mythtv] V4L2_PIX_FMT_NV12M for amlogic hw decode support?
mark.kendall at gmail.com
Sat Aug 17 00:42:21 UTC 2019
Currently on my summer travels - won’t be back for another 2 weeks or so.
In the meantime:
Re yv12 playback- have there been fixes to the Lima driver? Curious why you
can only play some videos.
Re NV12M - change looks fine. Though I wonder if the ffmpeg code will
handle that enum?
Re playback errors - try removing the call to
MythV4L2M2MContext::SetDecoderOptions - that’s the only reason I can think
of for that error.
On Fri, 16 Aug 2019 at 13:26, Piotr Oniszczuk <piotr.oniszczuk at gmail.com>
> Just small progress report regarding myth on some arm systems.
> Fixing issue with playback black screen on arm mali gpu is progressing
> well :-)
> I can now play some videos with yv12 renderer on mali.
> It looks however that amlogic hw decoder uses multiplanar nv12 pix fmt.
> By this I add V4L2_PIX_FMT_NV12M in checks at
> Unfortunately any attempt to play content with v4l2 m2m decode on s905
> v4l2 gives error like in log: https://pastebin.com/FnYrNvn7
> Let me know what You think!
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> MythTV Forums: https://forum.mythtv.org
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