Hello Cristiano,
I tryed download this video with ffmpeg (
https://www.cers.com.br/videos/demonstracao/20383).
The command line utilized was: ffmpeg -i "https://videos30ios-vh.akamaihd.net/i/2519_030714_CUR_ON_OAB_2_FASE_XIII_EOU_DIR_TRAB_AU LA_01_Pt_I.mp4/master.m3u8?hdnea=st=1397667213~exp=1397667713~acl =/*~id=dp9b9d6s3stuanq7n3l0na0tc2~hmac=9c4365be1bbc1 2ffbebb0f09c40c5b94091735ae53f0c6d73e495cdd08be695 a" -c copy t.ts
This is the message error: "HTTP error 403 Forbidden.
https://videos30ios-vh.akamaihd.net/...cdd08be695 a: Input/output error".
Coud you help me, please??