Bug 387727 - Waveform monitor and 'scopes display random information even with no clips added.
Summary: Waveform monitor and 'scopes display random information even with no clips ad...
Status: RESOLVED FIXED
Alias: None
Product: kdenlive
Classification: Applications
Component: Video Display & Export (show other bugs)
Version: 17.08.3
Platform: Mint (Ubuntu based) Linux
: NOR normal
Target Milestone: ---
Assignee: Jean-Baptiste Mardelle
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2017-12-09 05:21 UTC by Ken Jarstad
Modified: 2019-06-16 14:53 UTC (History)
1 user (show)

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Description Ken Jarstad 2017-12-09 05:21:13 UTC 
Kdenlive 17.08.3 install from AppImage on Linux Mint Cinnamon.

1. Start Kdenlive
2. Open View menu and add Waveform Monitor.

Waveform Monitor has full-frame response

3. Press Right-arrow key several times until WM "dances" (see video). All 'scopes exhibit strange behavior as well. Video Rendering appears unaffected.

If I boot this same PC with Knoppix 8.1 on a flash-drive which has Kdenlive 17.08.0 pre-installed the Waveform Monitor and scopes all work perfectly.
Comment 1 Ken Jarstad 2017-12-09 05:31:53 UTC 
I can't seem to supply a short video here. Please find a video on my Google Drive presented here:

https://drive.google.com/open?id=1VqicYL2U3DYjRHQJ8wmEMIfc8rltTcAx
Comment 2 Ken Jarstad 2017-12-09 05:32:41 UTC 
See my short video

https://drive.google.com/open?id=1VqicYL2U3DYjRHQJ8wmEMIfc8rltTcAx
Comment 3 emohr 2019-06-13 19:11:26 UTC 
Tested. Should be fixed.

Dev cannot backport to 18.12 and older versions anymore as 60% of the code has changed.

Please try with the current Kdenlive AppImage version 19.04.2d to see if there are any packaging issues https://files.kde.org/kdenlive/release/ 

If the problem/issue doesn't occur when using the AppImage, then it's your configuration or packaging.
Comment 4 Ken Jarstad 2019-06-13 23:38:09 UTC 
KDEnlive 19.04.2d AppImage does not display the aberrant behavior. I have been using the AppImage on KDE Neon 18.04 for over a year and it works great.
Comment 5 emohr 2019-06-16 14:53:58 UTC 
Thank you for the feedback. 

It seems it works. We close this bug. If it still appears in the latest version, please feel free to re-open it and update the affected version number.