[FFmpeg-devel] [PATCH] lavfi: add asendcmd and sendcmd filters

Clément Bœsch ubitux at gmail.com
Fri Oct 19 10:57:21 CEST 2012


On Fri, Oct 19, 2012 at 10:34:50AM +0200, Nicolas George wrote:
> L'octidi 28 vendémiaire, an CCXXI, Clément Bœsch a écrit :
> > Still, it has some interesting properties: I had to extract accurately a
> > sequence from an input, and while I was able to start exactly at the scene
> > change I was looking for, I add to play for a while with the timestamps,
> > hoping I didn't miss any frame with my dichotomy. If I could have
> > expressed it in frame id, I would just have to look for an approximative
> > position, and start incrementing the frame id until the event I was
> > looking for.
> 
> You could have just drawn the timestamp on the frame (using drawtext,
> assuming it can do that, and if it does not it should) to get directly the
> good one.

No drawtext doesn't allow this yet :(

That's a common request by the way…

> Or used ffprobe or showinfo to get the list of all existing
> timestamps to help your dichotomy.
> 

Indeed, that's one possibility, I somehow thought about it but didn't do
it.

-- 
Clément B.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 490 bytes
Desc: not available
URL: <http://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20121019/421b2776/attachment.asc>


More information about the ffmpeg-devel mailing list