Nvidia Tegra K1 video cards and Hardware Accelerated Video Decoding produces pixelated video, even when run on local machine (without networking errors)
Reported by
ahti.a...@playmoregames.com,
Sep 22 2017
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Issue description
Chrome Version : 60.0.3112.114
OS Version: 9592.96.0
URLs (if applicable) :
Other browsers tested:
Add OK or FAIL after other browsers where you have tested this issue:
Safari 5:
Firefox 4.x:
IE 7/8/9:
What steps will reproduce the problem?
1. Using a specific Chromebook. Acer Chromebook 13 CBS-311 and some HP Chromebooks will do the trick; one feature common is Nvidia Tegra K1 video card.
2. Then finding a video, which is encoded with some specific encoding; not sure which one. This one has the encoding, which will result in reported issue: https://www.youtube.com/watch?v=gEJdd1a1cKA&t=9s
3. If you have Hardware Accelerated Video Decoding enabled, the video will be pixelated, no matter how good your network is; I work for Dized and the video gets pixelated when I run it on my local disk.
What is the expected result?
The video should be decoded as it is decoded when the Hardware Accelerated Video Decoding is disabled: without the messy pixelation.
What happens instead of that?
The pixelation happens.
Please provide any additional information below. Attach a screenshot if
possible.
I have a possible fix for the issue, but I am unable to implement it, because it would require building Chrome by using this hack: http://elinux.org/Tegra/Downstream_SW/Linux4Tegra/WebBrowsers/Hardware_Accelerated_Video_Decoding
I believe this bug is reproducible in a traditional Linux environment also. I think that by looking at this hack, your engineers could patch the Chrome OS to use similar fix, when running on a Chromebook, which has Nvidia Tegra K1 video card.
UserAgentString: Mozilla/5.0 (X11; CrOS armv7l 9592.96.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.114 Safari/537.36
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Nov 11 2017
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Nov 12
Issue has not been modified or commented on in the last 365 days, please re-open or file a new bug if this is still an issue. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot |
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Comment 1 by rohi...@chromium.org
, Nov 3 2017