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Grainy Video to Youtube

PostPosted: Wed Dec 16, 2020 1:43 pm
by liftedadventures
So i have a youtube channel where i post pov of me riding my mountain bike. Since i started using resolve 16 all the edits have ended up being grainy after being uploaded to youtube. Is there a fix on the devinci side to fix this?

Here is one of the videos in play. As you see it starts in 4k but then goes grainy. thanks for the help

Re: Grainy Video to Youtube

PostPosted: Wed Dec 16, 2020 3:18 pm
by Jim Simon
The exported file doesn't look like that on your computer?

(By the way, that's not grain, that's macroblocking.)

Re: Grainy Video to Youtube

PostPosted: Wed Dec 16, 2020 3:19 pm
by liftedadventures
Jim Simon wrote:The exported file doesn't look like that on your computer?

(By the way, that's not grain, that's macroblocking.)


Ok macroblocking. And no it's clean and smooth how it should look

Re: Grainy Video to Youtube

PostPosted: Wed Dec 16, 2020 3:23 pm
by Jim Simon
OK.

This one may be difficult to solve. Those are encoding errors resulting from an insufficient bitrate. YouTube re-encodes everything you upload, and you have no control over the bitrate they use.

One possible solution may be to upload a better quality file for them to work with. It's possible your export is 'barely adequate' and that's why their re-encoding doesn't come out nice.

Try exporting an AVI file using the Cineform codec at Medium quality and upload that. Doesn't need to be a full video, just a couple minutes worth once you start riding.

Re: Grainy Video to Youtube

PostPosted: Wed Dec 16, 2020 8:18 pm
by liftedadventures
Jim Simon wrote:Try exporting an AVI file using the Cineform codec at Medium quality and upload that. Doesn't need to be a full video, just a couple minutes worth once you start riding.


Ok I'm sort of a newb. How do I do what you just said?

Re: Grainy Video to Youtube

PostPosted: Wed Dec 16, 2020 8:34 pm
by RCModelReviews
That's pretty much "worst case" footage for a long GOP codec like H264 -- lots of detail, lots of movement and I assume you're uploading in H264.

If you've got the Studio version of Resolve, switch to H265 for your delivery codec and use "best" quality level. You'll get a file that has *far* fewer compression artifacts and YouTube will be kinder to it.

Casey Faris did an excellent video on the best settings for uploading to YT and I agree with everything he says:


Re: Grainy Video to Youtube

PostPosted: Wed Dec 16, 2020 8:40 pm
by liftedadventures
RCModelReviews wrote:That's pretty much "worst case" footage for a long GOP codec like H264 -- lots of detail, lots of movement and I assume you're uploading in H264.

If you've got the Studio version of Resolve, switch to H265 for your delivery codec and use "best" quality level. You'll get a file that has *far* fewer compression artifacts and YouTube will be kinder to it.

Casey Faris did an excellent video on the best settings for uploading to YT and I agree with everything he says:


I have the free version so no 265

Re: Grainy Video to Youtube

PostPosted: Wed Dec 16, 2020 9:03 pm
by liftedadventures
Ok so i did it custom rendered instead of the straight to youtube one. I was able to make "Quality" to Best instead. So i rendered this one. It looks a little better but still not anywhere near what im editing. Im editing a 4k edit.

Re: Grainy Video to Youtube

PostPosted: Thu Dec 17, 2020 2:21 am
by Uli Plank
Render into DNxHR or Cineform and compress into a web format outside of Resolve with Handbrake or a similar program.