[FFmpeg-user] Drawtext filter

Sebastian Arcus shop at open-t.co.uk
Sun Mar 27 17:44:38 CEST 2011

On 03/27/2011 09:23 AM, Stefano Sabatini wrote:
> On date Saturday 2011-03-26 22:35:20 +0000, Sebastian Arcus encoded:
>> Thanks Stefano. Any idea if the problem with the background colour
>> option not having any effect has been solved? I tried it a while ago
>> (about October-November 2010) - and the option to set a background
>> colour for the text was not working at the time.
> Try it and report in case of problem.

I have also just tried to use the "\%S" string in the "text" argument 
for drawtext, in order to introduce updating time stamp ('S' standing in 
for seconds, I believe) - and this results in a segmentation fault. I 
tried it few months ago - and it used to work. Something must have 
changed in the meanwhile.

Here is the command:
   ffmpeg -fflags +genpts -t 600 -f mjpeg -r 5 -s 640x480 \
     -i http://localhost:8080/?action=stream -vcodec mpeg4 \
     -vf drawtext="fontfile=mitra.ttf:x=40:y=430: \
     text='\%S test': \
     fontcolor=0xFFFFFFFF:fontsize=22: \
     shadowcolor=0x000000EE:shadowx=2:shadowy=2" \
     -b 1000000 -r 5 /var/myapp/test.avi


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