dash 直播流命令

ffmpeg_1 -i udp://10.9.217.32:40000 -c copy -f dash -window_size 5 -min_seg_duration 3000000 -single_file 0 -init_seg_name initavatar-stream\$RepresentationID\$.m4s -media_seg_name chunkavatar-stream\$RepresentationID\$-\$Number%05d\$.m4s -use_template 0 -bsf:a aac_adtstoasc  /diskb/scs/manifest.mpd

视频抽帧 -r 0.1 1/r=时间间隔 0.1每隔10秒 -vframes 抽帧数 -s 分辨率 ffmpeg_1 -i AC3.ts -y -r 0.1 -f image2 -vframes 10 -s 200X400 test/image-%4d.jpg