I started to think that maybe DDU wasn't actually removing all the drivers. So I nuked everything and installed a Linux distro. The distro I installed came with the open-source Mesa drivers for AMD GPUs. I was not experiencing any stutters playing 4k/60fps videos.
Check 60FPS YouTube videos with Stats for Nerds
Summary:Something seems to be wrong with the newer AMD drivers on Windows. Running "Display Driver Uninstaller (DDU)", then waiting a few minutes for Windows to automatically download an older version of the driver (you can see the download in the "Windows Update" section) has for the most part resolved the issue for me. For >5k/60fps videos, the video decode performance is still pretty bad.
Hi guys. Recently I discovered that Youtube was allowing the glorious 60FPS setting which allows videos to seen in beatiful smoothness. I was very excited and dowloaded Chrome. The only problem is that whenever I click on the cog on the 60FPS Youtube video I don't have the option for glorious 1080p 60FPS. When I check the stats for nerds even if I am 1080p/720p I get 30FPS.
When I watch 60fps youtube videos in fullscreen, the video will be very choppy and perform poorly unless I trigger the control interface by moving the mouse. The performance cleans up instantly when I move the mouse. When I let control interface fade out again the video instantly becomes choppy again.
So after some investigations I finally found how to get 4K YouTube videos to be displayed in real 4K resolution and even get HDR and 60fps. Where with the stock app the 4K video is downscaled to 1080p 30fps max and then upscale by the TV to 4K.
I ran into an issue with 4K @ 60fps on my TCL Roku TV that is approximately 2 years old as well. With a bit of network changes, I've been able to correct the issue. This change specifically applied to my issues with YouTube. Prior to the change, it would never go above 23Mbps on stats for nerds; resulting in regular buffering after a number of seconds. Upon implementing the change, I'm showing stats for nerds "connection speed" @ 50Mbps on a bad day. My ISP connection at home is 1Gbps symmetrical.
Your YouTube link isn't working for me. Please check that you've properly entered it. Please set up YouTube within Wirecast unless you're using Generic RTMP stream. Please make sure you have the current Blackmagic Driver installed which is version 10.9.5 and please check in Blackmagic Media Express.
Frame shows at 30fps for me. That looks correct. If it were 60fps but the source is 30fps then there's be potential odd motion issues throughout. A good way to check what's happening with the file and the connection to it is to Right Click on the video and select "Stats for nerds." This can help if the encoding is actually good but maybe there's a playback issue.
The Verizon video limits were reported by The Verge last night, following Reddit threads on the topic. There's also a Howard Forums thread in which users who checked the YouTube app's "stats for nerds" section say that high-quality videos are being hurt.
"YouTube is being throttled to 10Mbps as well," one person wrote yesterday. "In the 'stats for nerds' it would load at roughly 1,250KBps which translates to 10Mbps. Put the VPN on and that number tripled easily. Didn't have an issue playing 1080p 60fps though."
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