Added install command for ffmpeg

Added install command for ffmpeg, so there is always at least one backend available.

Closes #68 (closed)

added bug confirmed medium labels

added Review/QA label

approved this merge request

By Schrödter, Tobias on 2020-10-08T16:34:04 (imported from GitLab project)

added 3 commits

• 00997efc...6c393f59 - 2 commits from branch master
• 57b750b2 - Added install command for ffmpeg

Compare with previous version

By Kilic, Deniz on 2020-10-08T16:38:54 (imported from GitLab project)

added 3 commits

• 57b750b2...d6725ddb - 2 commits from branch master
• 5af025b6 - Added install command for ffmpeg

Compare with previous version

By Kilic, Deniz on 2020-10-08T17:38:36 (imported from GitLab project)

enabled an automatic merge when the pipeline for 5af025b6 succeeds

By Kilic, Deniz on 2020-10-08T17:39:17 (imported from GitLab project)

mentioned in commit 694e1cfa

By Kilic, Deniz on 2020-10-08T18:02:39 (imported from GitLab project)

mentioned in commit bbcd0dd7