I have the drm key ,but use ffmpeg
show buffer overflow detected error
mpd link is the live
ffmpeg -cenc_decryption_key key -i "mpd link" -c copy test.mp4
[mov,mp4,m4a,3gp,3g2,mj2 @ 0000023614476a80] Failed to seek for auxiliary info, will only parse senc atoms for encryption info
*** buffer overflow detected ***: terminated