Change Timeline Resolution - how long should it take?

I have a number of timelines which are, in turn, aggregated into a master timeline.

The resolution of 5 of them is 4K, the other is standard HD.

I'm now starting to add effects to each of the separate timelines, and need to temporarily drop the resolution to allow faster work.

If I go to Project Settings/Master Settings and change TimelineResolution to 1920x1080 and save it, something seems to happen, but I then get the cursor change to "processing" and then nothing. Eventually, after a while, Windows reports "not responding", but Task Manager shows that Resolve is at least doing something.

There are 25 or so separate video files (roughly 800GByte worth), plus a couple of sync'd audio files

It's difficult to know if Resolve has crashed, or I need to wait several hours for it to finish.

So could someone advise me how long it's likely to take … or is this a big to be reported … or is it unrealistic and I just have to live with it?

Thanks

Your system has evidently crashed, the change should be instantaneous. My guess is, it's related to the master timeline trying to register the resolution change (in the nested timelines--if you did nest them?), but that's just a guess.

If you want to test it, copy the project, delete the master timeline (or the nested clips in that timeline), and then try changing the resolutions of the individual timelines and see how far you get.

I agree that a crash is consistent with your description of what happened.

I have changed resolutions on very short timelines without problems. But I did by:
--Right-click on timeline in Media Pool
--In pop-up menu, select Timeline --> Timeline Settings
--Then in Pop of Menu, select Format tab and then Use Custom Settings button,
--which highlights the Timeline Resolution options. Make your choice and click OK.
Hopefully this will work for you so you can finish your work and deliver your project.

I would also say that pushing the wrong button on the UI should not make the software crash. I am also NOT saying that you pressed the wrong button.

Your system has evidently crashed, the change should be instantaneous. My guess is, it's related to the master timeline trying to register the resolution change (in the nested timelines--if you did nest them?), but that's just a guess.

If you want to test it, copy the project, delete the master timeline (or the nested clips in that timeline), and then try changing the resolutions of the individual timelines and see how far you get.

Thanks for the thought. Sorry to be so long in replying, but I'm trying to finish a school charity video project (supposed to go on sale on Sunday) and DR is really slowing me down.

Yes, I do have a master timeline with nested timelines in it. I removed it, but still had the same problem. I couldn't even change the resolution of the individual timelines without it crashing.

I noticed that my ClipCache was 1.5Tbytes, with content going back several projects. I cleared that out (after checking online that it was safe) but DR then just kept crashing when starting up (reports have been sent). I eventually got it running again, but I still can't change the timeline resolution to help speed up the workflow.

I agree that a crash is consistent with your description of what happened.

I have changed resolutions on very short timelines without problems. But I did by:
--Right-click on timeline in Media Pool
--In pop-up menu, select Timeline --> Timeline Settings
--Then in Pop of Menu, select Format tab and then Use Custom Settings button,
--which highlights the Timeline Resolution options. Make your choice and click OK.
Hopefully this will work for you so you can finish your work and deliver your project.

I would also say that pushing the wrong button on the UI should not make the software crash. I am also NOT saying that you pressed the wrong button.

Thanks for that. I've now tried doing this, but it still crashes.

I suggest reading through the Troubleshooting FAQ in the announcement section for information on how to generate a crash log immediately after the crash and post it.

Also be aware that the NVIDIA driver you are using has issues working with DR: viewtopic.php?f=21&t=102152
Unless you have other software that requires the "latest" driver, I recommend you stick with the older driver for now even if not using BRAW.

need to temporarily drop the resolution to allow faster work.

My preference would be to work using proxies (Optimized Media).

I suggest reading through the Troubleshooting FAQ in the announcement section for information on how to generate a crash log immediately after the crash and post it.

Also be aware that the NVIDIA driver you are using has issues working with DR: viewtopic.php?f=21&t=102152
Unless you have other software that requires the "latest" driver, I recommend you stick with the older driver for now even if not using BRAW.

Thanks - I'd assumed that the crash log was sent automatically when I clicked the button.

I tried turning off the GPU and was able to resize, so that definitely suggested the GPU/driver and I noted your comments in troubleshooting. For some reason I couldn't get 431.86 to install. However, I saw that a new driver (441.28) has been released since I started having these problems, so I installed that. It seems to work and allows me to change project resolution instantly - so far!

Thanks

If that driver works for you, then great. Just be aware that if you process any BRAW that there probably will be issues. You should then switch drivers or turn off GPU decoding of BRAW.

But I am puzzled why that should make a difference. The driver version in my signature was "the latest" when 16.1.1 was released.

… if you process any BRAW that there probably will be issues.

I don't do BRAW, so shouldn't be a problem.

However, I'm now getting freezes with the latest Nvidia driver when trying to create a clean plate with the colour picker, so I'm hunting down v431.86 (at the moment all I can find is the DCH version).

There's a link in the relevant thread to a page to get older NVIDIA drivers:
viewtopic.php?f=21&t=102152

Would be interested to hear if that actually solved your other problem -- at this point only BRAW incompatibility has been identified. But it's possible. 431.86 was the "latest" at the time 16.1.1 was released.

There's a link in the relevant thread to a page to get older NVIDIA drivers:
viewtopic.php?f=21&t=102152

Would be interested to hear if that actually solved your other problem -- at this point only BRAW incompatibility has been identified. But it's possible. 431.86 was the "latest" at the time 16.1.1 was released.

I'm current on 441.86 and changing resolution is still near-instant. However, I continue to get freezes - these seem to be fairly random (although most often when I'm doing green screen with lots of nodes) and also too frequent. But BRAW isn't an issue for me.

Wow, Michael_Andreas , this actually works for me.
Note:- my clip was short clip of 20GB.
Thanks

I agree that a crash is consistent with your description of what happened.

I have changed resolutions on very short timelines without problems. But I did by:
--Right-click on timeline in Media Pool
--In pop-up menu, select Timeline --> Timeline Settings
--Then in Pop of Menu, select Format tab and then Use Custom Settings button,
--which highlights the Timeline Resolution options. Make your choice and click OK.
Hopefully this will work for you so you can finish your work and deliver your project.

I would also say that pushing the wrong button on the UI should not make the software crash. I am also NOT saying that you pressed the wrong button.