ffmpeg -loglevel 40 -thread_queue_size 2048 -c:v h264_cuvid -gpu 1 -i "udp://239.1.2.134:1234?fifo_size=100000000&overrun_nonfatal=1&buffer_size=100000&analyzeduration=1000000" -i codecs/h264.png -i codecs/ac3.png -i codecs/ac3.png -i codecs/cea_608.png -filter_complex "[0:a]showvolume=w=1030:h=40:o=1:f=0:r=10:dm=0:dmc=yellow:v=0:ds=log:b=5:p=0.5[vol1];[0:v][vol1]overlay=eval=0:x=34:y=15[v1];[0:a]showvolume=w=1030:h=40:o=1:f=0:r=10:dm=0:dmc=yellow:v=0:ds=log:b=5:p=0.5[vol2];[v1][vol2]overlay=eval=0:x=1795:y=15[vout];[1:v][2:v][3:v][4:v]hstack=inputs=4[stack];[stack]scale=-1:51[vscale];[vout][vscale]overlay=y=1026" -f mpegts -y ffmpeg_test.ts