[adultswim] Livestreams

[Djfe]

Checklist

• I'm reporting a feature request
• I've verified that I'm running youtube-dl version 2019.11.28
• I've searched the bugtracker for similar feature requests including closed ones

Description

Hi
it would be nice if I could download livestreams from Adult Swim.
note:
You don't need a US IP to play these livestreams.

https://www.adultswim.com/streams/rick-and-morty

the HLS Playlist looked like this for me:
https://pcva5.manifest.auditude.com/auditude/variant/as-jqX79_YeQkm3I9kHJYGAXA/c3b6d611-0c6f-4098-8678-a63dc699a665/aHR0cHM6Ly9hZHVsdHN3aW0tdm9kbGl2ZS5jZG4udHVybmVyLmNvbS9saXZlL3JpY2stYW5kLW1vcnR5L3N0cmVhbS5tM3U4P2hkbnRzPQ.m3u8?pttrackingversion=v2&ptassetid=as-jqX79_YeQkm3I9kHJYGAXA&ptdebug=false&u=ac217921a4a853e52310ebc459eef367&g=1000015&pttoken=true&z=131829&k=_fw_ae=725bd42fc9c9394e790b9a73610da431;stream=AS-desktop-streams;caid=as-jqX79_YeQkm3I9kHJYGAXA;vdur=0;_fw_ar=0;idfa=084D2F97-D6A5-41C6-90BB-4CDDE192ACBB;&ptcueformat=turner&live=true

.\youtube-dl.exe -F https://www.adultswim.com/streams/rick-and-morty -v
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-F', 'https://www.adultswim.com/streams/rick-and-morty', '-v']
[debug] Encodings: locale cp1252, fs mbcs, out cp850, pref cp1252
[debug] youtube-dl version 2019.11.28
[debug] Python version 3.4.4 (CPython) - Windows-10-10.0.18362
[debug] exe versions: ffmpeg git-2019-11-11-20c5f4d, ffprobe git-2019-11-11-20c5f4d
[debug] Proxy map: {}
[generic] rick-and-morty: Requesting header
WARNING: Falling back on generic information extractor.
[generic] rick-and-morty: Downloading webpage
[generic] rick-and-morty: Extracting information
[download] Downloading playlist: Rick and Morty - Adult Swim Streams
[generic] playlist Rick and Morty - Adult Swim Streams: Collected 1 video ids (downloading 1 of them)
[download] Downloading video 1 of 1
[info] Available formats for rick-and-morty:
format code  extension  resolution note
0            mp4        unknown
[download] Finished downloading playlist: Rick and Morty - Adult Swim Streams

Info that ffprobe got me from that playlist:

  Duration: N/A, start: 180.136656, bitrate: N/A
  Program 0
    Metadata:
      variant_bitrate : 1236000
    Stream #0:0: Video: h264 (Constrained Baseline) ([27][0][0][0] / 0x001B), yuv420p, 640x360 [SAR 1:1 DAR 16:9], Closed Captions, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    Metadata:
      variant_bitrate : 1236000
    Stream #0:1: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, stereo, fltp
    Metadata:
      variant_bitrate : 1236000
  Program 1
    Metadata:
      variant_bitrate : 236000
    Stream #0:2: Video: h264 (Constrained Baseline) ([27][0][0][0] / 0x001B), yuv420p, 416x234 [SAR 1:1 DAR 16:9], Closed Captions, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    Metadata:
      variant_bitrate : 236000
    Stream #0:3: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, stereo, fltp
    Metadata:
      variant_bitrate : 236000
  Program 2
    Metadata:
      variant_bitrate : 436000
    Stream #0:4: Video: h264 (Constrained Baseline) ([27][0][0][0] / 0x001B), yuv420p, 416x234 [SAR 1:1 DAR 16:9], Closed Captions, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    Metadata:
      variant_bitrate : 436000
    Stream #0:5: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, stereo, fltp
    Metadata:
      variant_bitrate : 436000
  Program 3
    Metadata:
      variant_bitrate : 736000
    Stream #0:6: Video: h264 (Constrained Baseline) ([27][0][0][0] / 0x001B), yuv420p, 640x360 [SAR 1:1 DAR 16:9], Closed Captions, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    Metadata:
      variant_bitrate : 736000
    Stream #0:7: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, stereo, fltp
    Metadata:
      variant_bitrate : 736000
  Program 4
    Metadata:
      variant_bitrate : 1736000
    Stream #0:8: Video: h264 (Constrained Baseline) ([27][0][0][0] / 0x001B), yuv420p, 852x480 [SAR 1:1 DAR 71:40], Closed Captions, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    Metadata:
      variant_bitrate : 1736000
    Stream #0:9: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, stereo, fltp
    Metadata:
      variant_bitrate : 1736000
  Program 5
    Metadata:
      variant_bitrate : 2500000
    Stream #0:10: Video: h264 (Main) ([27][0][0][0] / 0x001B), yuv420p, 960x540 [SAR 1:1 DAR 16:9], Closed Captions, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    Metadata:
      variant_bitrate : 2500000
    Stream #0:11: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, stereo, fltp
    Metadata:
      variant_bitrate : 2500000
  Program 6
    Metadata:
      variant_bitrate : 3500000
    Stream #0:12: Video: h264 (Main) ([27][0][0][0] / 0x001B), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], Closed Captions, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    Metadata:
      variant_bitrate : 3500000
    Stream #0:13: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, stereo, fltp
    Metadata:
      variant_bitrate : 3500000
  Program 7
    Metadata:
      variant_bitrate : 5000000
    Stream #0:14: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], Closed Captions, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    Metadata:
      variant_bitrate : 5000000
    Stream #0:15: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, stereo, fltp
    Metadata:
      variant_bitrate : 5000000
  Program 8
    Metadata:
      variant_bitrate : 128000
    Stream #0:16: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, stereo, fltp
    Metadata:
      variant_bitrate : 128000