2

ffmpeg -re -y \
-loglevel warning  \
-loglevel verbose \
-i udp://239.0.12.1:5000 \
-bufsize 1600k \
-an \
-filter:v yadif \
-maxrate 7000000 \
-r 24 \
-v:b 512000 \
-s:v 240x320 \
-preset slow \
-muxdelay 7 \
-muxpreload 5 \
-max_delay 50000 \
-q:v 10 \
-crf 22 \
-vcodec copy \
-threads auto \
-vsync 2 \
-async 1 \
-isync \
-pass 1 \
-f h264 /home/1.avi