ffmpeg -hwaccel qsv -f dshow -rtbufsize 384M -thread_queue_size 150 -probesize 20M -i video="Cam Link" -f gdigrab -thread_queue_size 150 -probesize 20M -s 1250x550 -framerate 5 -i desktop -init_hw_device qsv=foo -filter_hw_device foo -load_plugin hevc_hw -filter_complex "[0:v]scale=1024:-1,setpts=PTS-STARTPTS[bg];[1:v]scale=480:-1,crop=400:85:0:30,eq=gamma=7:contrast=2:brightness=-0.3,setpts=PTS-STARTPTS[fg];[1:v]scale=480:-1,crop=465:100:10:190,eq=gamma=3:contrast=2:brightness=0,setpts=PTS-STARTPTS[cg];[fg]colorkey=0x000000:0.35:0.2[fg2];[bg][fg2]overlay=W-w-620:H-h-20[ckout];[ckout][cg]overlay=W-w-190:H-h[out];[out]scale=w=1920:h=1080[hwupload_out]" -map "[hwupload_out]" -c:v hevc_qsv -b:v 1800k -maxrate 1800k -bufsize 2M -r 30 -threads 4 -f rtp_mpegts rtp://yo.yo:2000