FS#70657 - [blender] Cannot build strip proxy in VSE

Attached to Project: Community Packages
Opened by Jan Žegklitz (zegkljan) - Friday, 30 April 2021, 08:52 GMT
Last edited by Sven-Hendrik Haase (Svenstaro) - Wednesday, 13 October 2021, 06:51 GMT
Task Type Bug Report
Category Packages
Status Closed
Assigned To Sven-Hendrik Haase (Svenstaro)
Filipe Laíns (FFY00)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:
In VSE, when I want to build proxy for a movie strip, it pretends that the proxy is being built but when it finishes, the proxy is not actually used. When I run blender from terminal, I can see error messages `Error encoding proxy frame X for '<path>'` where X are frame numbers from 0 up and `<path>` is the path to the proxy file.

Additional info:
package version: 17:2.92.0-5

This DOES NOT happen with the official version downloaded from https://www.blender.org/download, which is version 2.92.0, branch: master, commit date: 2021-02-24 16:25, hash: `rB02948a2cab44`.

Steps to reproduce:
See attached screen recording. The video file used in this experiment can be found here: https://www.dropbox.com/s/jkv9fljaj9a3nro/test.mkv?dl=1
   screenrec-2021-04-30_10.44.59... (1.58 MiB)
This task depends upon

Closed by  Sven-Hendrik Haase (Svenstaro)
Wednesday, 13 October 2021, 06:51 GMT
Reason for closing:  Fixed
Comment by Jan Žegklitz (zegkljan) - Friday, 30 April 2021, 18:46 GMT
Noticing the other bug here ( FS#70630 ), this is also probably caused by incompatible ffmpeg. I reported this in upstream as well: https://developer.blender.org/T87932
Comment by Sven-Hendrik Haase (Svenstaro) - Sunday, 06 June 2021, 21:16 GMT
This should be fixed as of Blender 2.93. Could you check?
Comment by Jan Žegklitz (zegkljan) - Sunday, 06 June 2021, 23:13 GMT
Just upgraded to 2.93 and I still get the same behaviour. The only difference is that now a 100% proxy (or other % that is set in the view properties of the display area) is built automatically when a clip is added to the timeline. A few times (I cannot see a pattern) the console did not show anything wrong when adding a clip but when I force rebuild of the proxy via the rebuild proxy and timecode button, without even touching the proxy settings, the same error is presented.
Comment by Sven-Hendrik Haase (Svenstaro) - Wednesday, 13 October 2021, 05:08 GMT
Could you recheck with the most recent version and also provide detailed step by step instructions on how to reproduce this?
Comment by Jan Žegklitz (zegkljan) - Wednesday, 13 October 2021, 06:01 GMT
Now it works like a charm, so nothing to reproduce. Thank you!
Comment by Sven-Hendrik Haase (Svenstaro) - Wednesday, 13 October 2021, 06:51 GMT
Great to hear! It might have been a recent config change I did to embree or one of the patch updates.

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