amcvideodec: decoding fails on Mediatek tablet (API level 19)
nicolas at ndufresne.ca
Thu Sep 20 23:22:31 UTC 2018
Le jeudi 20 septembre 2018 à 15:38 -0700, Grégoire Gentil a écrit :
> Hardware decoding fails on this tablet inside amcvideodec as I
> in this bug report:
> amcvideodec: decoding fails on Mediatek tablet (API level 19)
> I would like to try to debug further this issue which seems to be
> related how Gstreamer handles the hardware decoding.
> Can anyone provide any tip how I should investigate further to find
> the issue?
Can you give a try with a fixed pipeline, like:
filesrc location=test.mov ! parsebin ! <amcvideodec> ! glimagesink
I wonder if it's just negotiation issue or if there is something else.
Also, looks at the logs, normally AMC code warns when there is issues
(e.g. unsupported color format). I know from the upstream driver the
mediatek codec produces some HW specific tile format, that might be
related. We have added software detilers in the past for other
platform, like older Samsung MFC codec.
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