Cannot compute FPS because 0 is lower than our minimum value 1

[Casuallynoted]

Describe the current behavior

When uploading some videos that are primarily audio, I've noticed I get this error and the video doesn't get transcoded to HLS. Seems to maybe be related to previous issues that were marked as fixed.

Steps to reproduce

1. Upload a video with a still image and audio
2. Roughly 70% chance it won't transcode
3. Will provide this error

Describe the expected behavior

Should convert to HLS

Additional information

• PeerTube instance:

  • URL: https://peertube.casually.cat
  • Version: 6.1.0
  • NodeJS version: v18.20.2
  • Ffmpeg version: 5.1.4-0+deb12u1

• Browser name, version and platforms on which you could reproduce the bug: Firefox, Chrome

• Link to browser console log if relevant:

• Link to server log if relevant (journalctl or /var/www/peertube/storage/logs/):

[Casuallynoted]

Oh! Actually, as an addition to this, it seems to be happening specifically with videos that have black bars on the left and right side. Videos that feature audio only but have a full screen image do not trigger this error. For example:

The video on the top vs the one on the bottom

[Chocobozzz]

Hi,

Can you share a link of the video so I can debug it?

[Casuallynoted]

Hi,

Can you share a link of the video so I can debug it?

Here's one:

https://peertube.casually.cat/w/qZcCorVZRWNYpzVBTw28fM

[Chocobozzz]

Can you also paste peertube error logs? Seems related to storyboard generation bug on my side

EDIT: there's also the Cannot compute FPS because 0 is lower than our minimum value 1 bug :+1:

[Chocobozzz]

Should be fixed by https://github.com/Chocobozzz/PeerTube/commit/4ea659d569d596791bc6bf3f15d8ee9eea20b672

(the main reason of your bug is because your video has 0.2 FPS)