How to Download a Widevine Protected m3u8 Live Stream

[ryobin]

Hi.

I am trying to download and decrypt DRM-protected live streaming video.

I got the Widevine Key and thought I had successfully decrypted the downloaded video file, but the video actually didn't play properly.

Specifically, when I play a decrypted video on VLC, I see the video after 5 seconds, but the video stays still (the seek bar is working).

Is the video not playing properly because I only download part of the live stream? Or is there another cause?

If you know anything, please let me know, even if it is a trivial matter.

The details of the streaming site are below.


- Live Streaming Sites

• Video page: https://online.johnnys-net.jp/s/jno/page/live_player_test
  
• m3u8: https://smsalive1.akamaized.net/6aa87dd793bd4568a277df93fc815afd/ap-northeast-1/616098...nklist_wv.m3u8
  
• Key: 31a34d5204052b549b9356fdf24a83f0:0577c747dcd49e93d 16286788949c1b7

- Procedure

1. Download init.mp4 from live streaming site
   
2. Download the live stream from the M3U8 link (about 5 segments)
   
3. Merge init.mp4 with 5 segments of m4s file using the type command
   

   type init.mp4 1248461.m4s 1248462.m4s 1248463.m4s 1248464.m4s 1248465.m4s > enc.mp4

4. Using mp4decrypt, enter Widevine Key to decrypt enc.mp4.
   
5. Decrypted video file (dec.mp4) does not play correctly. =>https://streamable.com/aldo01

This site is a playlist in M3U8 format (not MPD format) but is encrypted with Widevine.

It's a bit of a unique delivery method, but the overall process is the same as for a typical DRM-protected site.

Please help me download and decrypt this live streaming video to play properly.

Thank you and best regards,

[Sandy sai]

Hi.

I am trying to download and decrypt DRM-protected live streaming video.

I got the Widevine Key and thought I had successfully decrypted the downloaded video file, but the video actually didn't play properly.

Specifically, when I play a decrypted video on VLC, I see the video after 5 seconds, but the video stays still (the seek bar is working).

Is the video not playing properly because I only download part of the live stream? Or is there another cause?

If you know anything, please let me know, even if it is a trivial matter.

The details of the streaming site are below.


- Live Streaming Sites

• Video page: https://online.johnnys-net.jp/s/jno/page/live_player_test
  
• m3u8: https://smsalive1.akamaized.net/6aa87dd793bd4568a277df93fc815afd/ap-northeast-1/616098...nklist_wv.m3u8
  
• Key: 31a34d5204052b549b9356fdf24a83f0:0577c747dcd49e93d 16286788949c1b7

- Procedure

1. Download init.mp4 from live streaming site
   
2. Download the live stream from the M3U8 link (about 5 segments)
   
3. Merge init.mp4 with 5 segments of m4s file using the type command
   

   type init.mp4 1248461.m4s 1248462.m4s 1248463.m4s 1248464.m4s 1248465.m4s > enc.mp4

4. Using mp4decrypt, enter Widevine Key to decrypt enc.mp4.
   
5. Decrypted video file (dec.mp4) does not play correctly. =>https://streamable.com/aldo01

This site is a playlist in M3U8 format (not MPD format) but is encrypted with Widevine.

It's a bit of a unique delivery method, but the overall process is the same as for a typical DRM-protected site.

Please help me download and decrypt this live streaming video to play properly.

Thank you and best regards,

You need to download video and audio separately

[notaghost]

Did you try hlsdl?

[ryobin]

It seems that audio and video are not separated on this site.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

After reviewing the post, I tried using hlsdl.

I could combine multiple segment files into a single TS file, but it still doesn't play well.

hlsdl https://smsalive1.akamaized.net/6aa87dd793bd4568a277df93fc815afd/ap-northeast-1/6160987583001/profile_0/chunklist_wv.m3u8

Did you suggest using the -K option for simultaneous download and decryption?

I would appreciate it if you could tell me the detailed procedure.

[ryobin]

I don't know how to use hlsdl to download widevine protected stream video.

The difference from the usual case is as follows.

• that live streaming is ongoing
• M3U8 format, not MPD
• No separation between video and audio

[notaghost]

yes my bad i thought hlsdl might work but it doesnt so i had to write some code and finally got it working. it was just like dsnp.

https://siasky.net/AACgYK34aqgrbGBazkJqint4U8G-_pOQLZeB6hKoawSdBA




binary merging is also working btw

[ryobin]

Hi.

Your reply gave me a hint to solve this problem. Thank you.

I was under the impression that VLC was an almighty video player, so when I couldn't play the video, I thought I had failed at decryption.

However, since you shared the link, I have learned that decrypted video files can be played correctly in Chrome.

The issue was probably caused by downloading some of the live streaming.

I tried opening a decrypted video file (dec.mp4) in Chrome and it played as if nothing had happened.

Therefore, I will mark this post as resolved.

Thank you for your help!