[FFmpeg-user] ffmpeg ip cam stream with drawtext

Carl Eugen Hoyos ceffmpeg at gmail.com
Fri Feb 1 21:11:11 EET 2019

2019-01-28 19:39 GMT+01:00, frhun <frobihun at gmail.com>:
> Hi all
> I am new in the mail list.
> I from Hungary, I usualy helped sport competition, streaming to youtube...
> I hope someone helps me.
> I have a ip cam ( hikvision) , so far using only stream to youtube function.
> ( ffmpeg -re -rtsp_transport tcp -i
> rtsp://admin:xxxxx@ -tune
> zerolatency -vcodec libx264  -pix_fmt + -c:v copy -ac 1 -c:a aac -strict
> experimental -f flv rtmp://a.rtmp.youtube.com/live2/x-x-x-x )
> working as well,
> but now I want drawing text from dynamic text file.

Is the performance ok if you use a yuv420p image file
and use the overlay filter?
(If this works, you could try to update this file instead
of the text file.)
The overlay filter recently has seen optimizations and
I believe it is unlikely that you can get better than overlay.

Carl Eugen

More information about the ffmpeg-user mailing list