[mythtv-commits] Ticket #13230: Android green line when watching certain videos
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Mon Apr 2 13:57:19 UTC 2018
#13230: Android green line when watching certain videos
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Reporter: pbennett | Owner: pbennett
Type: Bug Report - General | Status: accepted
Priority: minor | Milestone: 30.0
Component: Ports - Android | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
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Comment (by markspieth):
New patch to solve yuv upscaling green line for sample video. also works
for 720x576 sources (many channels here)
Fixed onefield, linear and kernel gl hw deint for yuv.
Things to check for.
* quality of deinterlacing at low res (not sure if better or worse)
* HD deinterlacing quality
* HD green lines (havent seen any)
* test with other devices (not done yet with my S912)
* test on PC version (not done yet)
The root problem is that the image is first inverted as GL has 0,0 at
bottom left. That means the first line is NLines-1 on bottom field of
frame.
This may or not be the same depending on whether the deinterlacer is the
first shader or other ones. I dont understand this properly yet. TBD.
It may be better to flip the last field instead of the first, then the
algos will process the line in forward instead of reverse order.
I cant see why this would not be an issue for non ES version.
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Ticket URL: <https://code.mythtv.org/trac/ticket/13230#comment:23>
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