Re: [dev] [st] libcaca output

From: Christoph Lohmann <>
Date: Thu, 17 Jan 2013 19:42:27 +0100


On Thu, 17 Jan 2013 19:42:27 +0100 Edgaras <> wrote:
> Works in both st (not head/tip, though 0.3 from about a month ago) and xterm,
> also surprisingly it seems it even is faster on st! Though I tried this on
> quite small terminal windows. At first I tried xterm with full screen terminal
> and it was insanely slow.

St is fast, but it has a direct drawing method without using its own
back buffer at the moment and many direct X11 calls.

> Terminal size I used: 31 lines 95 columns; There still of course is insane
> flickering, but frame rate seems quite decent (on st), though it seems those
> frequent refreshes of st window lag wm (dwm) quite a bit, cause while it is
> playing dragging even other windows becomes noticeably slower; window dragging
> has, what I would call, sliding on ice effect.

That’s due to the load I described above.

I still have that flickering and disappearing frames with your video.
It seems to be a caca bug which redraws parts that should not be re‐
drawed. In a mobile gopher world libcaca is a must for video streaming.


Christoph Lohmann
Received on Thu Jan 17 2013 - 19:42:27 CET

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