Kdenlive monitor distortion at DVinfo.net

Dave Baker · April 1st, 2017, 03:39 AM

I'm running the latest update of Kdenlive, 16.12.3, on Manjaro KDE. I find that since the update from 16.12.2 the monitor window shows clips split vertically into segments, a bit like overlaying playing cards over each other from left to right so part of the face is showing. It's not just new footage, I reloaded a project completed in 16.12.2 and it did the same. It looks OK until starting play, once segmented it stays that way even when play is stopped.

As yet I haven't found a way to stop it. Anyone else had this and if so, how did you stop it, or did you? I find no mention of it on the KDE forum.

Dave Baker · April 2nd, 2017, 09:11 AM

Don't rush to answer, it seems that suddenly Kdenlive will no longer handle 10-bit input, whether that's permanent or just a glitch in the update I can't say. I have been using ProRes Normal (4:2:2 10-bit) with no problems until the update. It seems OK with DNxHD 8-bit.

Cinelerra (GG 5.1) beckons for now!

Bryan Worsley · April 12th, 2017, 08:48 PM

I'm not seeing anything like that with 10-bit input formats in KDenLive 16.12.3 on Kubunu 16.10 (AMD 64). They play on the Clip and Project Monitors quite normally.

Dave Baker · April 13th, 2017, 10:22 AM

Seems like it's OK on Mint too. Maybe I'll try a re-install.

Nope, it was MLT, a re-install sorted it!

Jack Zhang · April 21st, 2017, 02:36 AM

You could try updating your FFmpeg build to see if that does anything. Kdenlive relies on FFmpeg religiously.

Dave Baker · April 21st, 2017, 03:00 AM

Thanks Jack, everything was up to date.

Manjaro has access to the Arch User Repository, it seems that something I installed from there and recently updated had also updated MLT with the wrong version for Kdenlive. I removed that and re-installed the Manjaro version which made it work normally again.

I have yet to find what, if anything, changing MLT will stop from working properly.:-)

April 1st, 2017, 03:39 AM	#1
Dave Baker Major Player Join Date: May 2014 Location: Brandon, England Posts: 466	Kdenlive monitor distortion I'm running the latest update of Kdenlive, 16.12.3, on Manjaro KDE. I find that since the update from 16.12.2 the monitor window shows clips split vertically into segments, a bit like overlaying playing cards over each other from left to right so part of the face is showing. It's not just new footage, I reloaded a project completed in 16.12.2 and it did the same. It looks OK until starting play, once segmented it stays that way even when play is stopped. As yet I haven't found a way to stop it. Anyone else had this and if so, how did you stop it, or did you? I find no mention of it on the KDE forum.

April 2nd, 2017, 09:11 AM	#2
Dave Baker Major Player Join Date: May 2014 Location: Brandon, England Posts: 466	Re: Kdenlive monitor distortion Don't rush to answer, it seems that suddenly Kdenlive will no longer handle 10-bit input, whether that's permanent or just a glitch in the update I can't say. I have been using ProRes Normal (4:2:2 10-bit) with no problems until the update. It seems OK with DNxHD 8-bit. Cinelerra (GG 5.1) beckons for now!

April 12th, 2017, 08:48 PM	#3
Bryan Worsley Major Player Join Date: Oct 2005 Location: Canada Posts: 439	Re: Kdenlive monitor distortion I'm not seeing anything like that with 10-bit input formats in KDenLive 16.12.3 on Kubunu 16.10 (AMD 64). They play on the Clip and Project Monitors quite normally.

April 13th, 2017, 10:22 AM	#4
Dave Baker Major Player Join Date: May 2014 Location: Brandon, England Posts: 466	Re: Kdenlive monitor distortion Seems like it's OK on Mint too. Maybe I'll try a re-install. Nope, it was MLT, a re-install sorted it! Last edited by Dave Baker; April 13th, 2017 at 01:18 PM. Reason: Add info

April 21st, 2017, 02:36 AM	#5
Jack Zhang Inner Circle Join Date: May 2005 Location: Burnaby, BC, Canada Posts: 3,053	Re: Kdenlive monitor distortion You could try updating your FFmpeg build to see if that does anything. Kdenlive relies on FFmpeg religiously.

April 21st, 2017, 03:00 AM	#6
Dave Baker Major Player Join Date: May 2014 Location: Brandon, England Posts: 466	Re: Kdenlive monitor distortion Thanks Jack, everything was up to date. Manjaro has access to the Arch User Repository, it seems that something I installed from there and recently updated had also updated MLT with the wrong version for Kdenlive. I removed that and re-installed the Manjaro version which made it work normally again. I have yet to find what, if anything, changing MLT will stop from working properly.:-)