1、H265转H264，推流到RTMP
ffmpeg -rtsp_transport tcp -fflags nobuffer -flags low_delay -max_delay 0 -analyzeduration 0 -probesize 32 -i "rtsp://admin:!QAZ2wsx@192.168.3.188:554/Streaming/Channels/101" -c:v libx264 -preset ultrafast -tune zerolatency -crf 26 -x264-params "keyint=25:min-keyint=25:scenecut=0:sync-lookahead=0" -bf 0 -refs 1 -r 25 -an -f flv -flvflags no_duration_filesize rtmp://192.168.3.100:21935/live/stream_7?sign=LuCBKPEM5s
2、H264推流到RTMP
ffmpeg -rtsp_transport tcp -fflags nobuffer -flags low_delay -max_delay 0 -analyzeduration 0 -probesize 32 -i "rtsp://admin:!QAZ2wsx@192.168.3.188:554/Streaming/Channels/102" -c:v libx264 -preset ultrafast -tune zerolatency -profile:v baseline -level 3.1 -crf 26 -x264-params "keyint=25:min-keyint=25:scenecut=0:sync-lookahead=0" -bf 0 -refs 1 -r 25 -an -f flv -flvflags no_duration_filesize rtmp://192.168.3.110:21935/live/stream_7?sign=LuCBKPEM5s
