Add Support For More Thumbnail Import Settings

[cal2195]

As well as thumbnail size, it would be nice to support more properties such as:

• JPEG and Video Compression
• Number of thumbnails to extract
• Number and length of video clips to extract
• Disabling thumbnail or video clip generation
• Option to enable extracting thumbnails on startup Extract Thumbnails on Startup #15

Customise everything! 👍

[whyboris]

Seems like the jpg quality is relatively easy to set with ffmpeg (e.g. -qscale:v 2), right? 😁

[whyboris]

I've been struggling while thinking of a clean UI for the selection for number of thumbnails to extract.

Currently:
A single dropdown with set options in two categories:

• fixed number of screenshots per video (e.g. 10 per video)
• fixed number of screenshots per some duration of video (e.g. 1 per 5 minute)

Desired:
Give the ability for the user to choose the number per video or number per some duration. Easy conceptually, but how do we represent this choice visually?

I'm thinking <input type="number"> with some min and max already set (example).

Maybe something like this:

 ____
|  n |   ( ) screenshots per video
|____|   (*) screenshots every hour

a large size input on the left with two radio buttons on the right.

I just wish users wouldn't have to do math in their head and choose N from 1 screenshot every N minutes.

Maybe a radio box with two independent inputs?

( ) [ n +/- ] screenshots per video
(*) 1 screenshot every [ n +/- ] minutes

Might be easier ... just unfortunate that the number input will then be either small, or will disrupt the flow of text a bit. I'll play with the css to make it as nice as possible.

@cal2195 - thoughts?

[cal2195]

I like this idea a lot - although do we need to limit it to a max? No max, or at least a very large max will allow for greater use cases we haven't thought of! 😄

I prefer the second idea - makes more intuitive sense! 👍

[whyboris]

Work in progress: branch thumbnail-number-selection is half-ready.
Visually done, just needs underlying code updates to propagate the numbers back to node 👌

[whyboris]

Will look like this 👌

[whyboris]

Currently can't do more frequently than 1 screenshot every 1 minute (limitation of the HTML selection box - can be changed sometime later maybe, not in a rush though).
Also the maximum will likely be changed in the future -- current PR sets it to 30 per video (arbitrarily).

I'll test things out sometime with a large number just to see how the app behaves. I wouldn't want to allow a setting that grinds the app to a halt 😅