[thefrog]

Anyone any idea if it'd be possible to fix 1080p VC-1 stutter for this device?

Looks like with software decoding only about 50% CPU capacity is used, which leads me to the question if something extra strange is going on? Shouldn't the device have enough cpu power to do 1080p vc1 via software?

Very likely.

You might want to investigate disabling HW decoding just for VC-1 as seen in decoder-filter.xml (click) 

I just did a bit of this with an edit to the decodefilters.xml and setting VP9 and VPX to 'false' .. (snippets below)

Before:

code:


<filter>

<name>OMX.MTK.VIDEO.DECODER.VP9</name>

<allowed>true</allowed>

<stills-allowed>false</stills-allowed>

<dvd-allowed>true</dvd-allowed>

<min-height>0</min-height>

</filter>

<filter>

<name>OMX.MTK.VIDEO.DECODER.VPX</name>

<allowed>true</allowed>

<stills-allowed>false</stills-allowed>

<dvd-allowed>true</dvd-allowed>

<min-height>0</min-height>

</filter>

Log: https://paste.kodi.tv/ikituwewaj.kodi

After:

code:


<filter>

<name>OMX.MTK.VIDEO.DECODER.VP9</name>

<allowed>false</allowed>

<stills-allowed>false</stills-allowed>

<dvd-allowed>true</dvd-allowed>

<min-height>0</min-height>

</filter>

<filter>

<name>OMX.MTK.VIDEO.DECODER.VPX</name>

<allowed>false</allowed>

<stills-allowed>false</stills-allowed>

<dvd-allowed>true</dvd-allowed>

<min-height>0</min-height>

</filter>

Log: https://paste.kodi.tv/conedotabu.kodi


Hopefully I have all this 'correct' and correctly reported.  I just don't see that much of a difference.

I see some grumpyness about my whitelist, but 18.3 doesn't seem to let me edit it.

I hope this aids someone in finding a solution.