Place point on a subtitle that doesn't have a following subtitle for a few
minutes.
M-x subed-enable-sync-point-to-player
Let the video play.
After a while (tens of seconds in my case), CPU load on a single core spikes
to 100%. Eventually, video playback becomes choppy and Emacs takes several
seconds to respond to user input.
What I Know
The relevant code seems to be in subed-srt--subtitle-id-at-msecs, specifically
in the final (catch 'subtitle-id ...). If I comment that out, the issue goes
away, but I don't understand what's wrong with the code or how to investigate
further.
How To Reproduce
Place point on a subtitle that doesn't have a following subtitle for a few minutes.
M-x subed-enable-sync-point-to-playerLet the video play.
After a while (tens of seconds in my case), CPU load on a single core spikes to 100%. Eventually, video playback becomes choppy and Emacs takes several seconds to respond to user input.
What I Know
The relevant code seems to be in
subed-srt--subtitle-id-at-msecs, specifically in the final(catch 'subtitle-id ...). If I comment that out, the issue goes away, but I don't understand what's wrong with the code or how to investigate further.