miomioのJWplayerの動画を落としたくて、
youtube-dlで↓のコマンドを入れたら
youtube-dl.exe https://loadloadingfreevideo.top/api/m3u8/612b70d268d2f502dfd3714b/master.m3u8 -c

↓のようなエラーで落とせませんでした。助けてください。
[hls @ 000002fae72ecb00] Opening 'https://loadloadingfreevideo.top/api/hls/cmbw5SMvVGZpZ3LH5EUucGOwYXRfRnQTB1VVx2MVVmRfN3amt0cYFmT2R0UCRnei9UNiFVZx0kRTN1XucWQGh2SyUHWBZ1audVYCN3Q4c2SxNDalpVVINXU6J0SjBDMChFU3IXMy4USuQTWE5UMZRVT5VleNdXTq5EeBRUTvoXRU1kZGpXT0EEVNlXQq10L' for reading
[hls @ 000002fae72ecb00] Could not find codec parameters for stream 0 (Video: png, none(pc)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options
Input #0, hls, from 'https://loadloadingfreevideo.top/api/m3u8/612b70d268d2f502dfd3714b/master.m3u8':
Duration: 00:20:04.30, bitrate: 0 kb/s
Program 0
Metadata:
variant_bitrate : 0
Stream #0:0: Video: png, none(pc), 25 tbr, 25 tbn, 25 tbc
Metadata:
variant_bitrate : 0
Output #0, mp4, to 'file:master-master.mp4.part':
Output file #0 does not contain any stream

ERROR: ffmpeg exited with code 1