array=($(tail list.txt))
for f in "${array[@]}"
do
   avconv -re -i $f  -vf "[in] delogo=x=30:y=10:w=170:h=50:band=5 [delogo]; movie=logo.png [watermark]; [delogo][watermark] overlay=main_w-overlay_w-10:10 [out]" -s 640x360 -vb 600k -acodec copy -f flv rtmp://streaming.com
done