useful ffmpeg & gstreamer commands

ffmpeg_gstreamer.sh

#restream rtsp to udp link

ffmpeg -i "rtsp://admin:admin123@192.168.100.2:554/" -pix_fmt yuv420p -deinterlace -vf "scale=640:360" -vsync 1 -threads 0 -vcodec libx264 -r 29.970 -g 60 -sc_threshold 0 -b:v 1024k -bufsize 0 -maxrate 1280k -preset medium -tune film -acodec aac -b:a 128k -ac 2 -ar 48000 -af "aresample=async=1:min_hard_comp=0.100000:first_pts=0" -vbsf h264_mp4toannexb -f mpegts udp://0.0.0.0:10000

# create a test stream and create rtmp stream 
# start nginx server before running this
ffmpeg -r 30 -f lavfi -i testsrc -vf scale=1280:960 -vcodec libx264 -profile:v baseline -pix_fmt yuv420p -f flv rtmp://localhost/mylive/test