[MacPorts] #55533: mpv(0.26 at yosemite): can't playback youtube playlist

[MacPorts]

#55533: mpv(0.26 at yosemite): can't playback youtube playlist
-------------------------------------+-------------------
 Reporter:  mrkapqa                  |      Owner:
     Type:  enhancement              |     Status:  new
 Priority:  Normal                   |  Milestone:
Component:  ports                    |    Version:  2.4.2
 Keywords:  mpv yosemite youtube-dl  |       Port:  mpv
-------------------------------------+-------------------
 richs-Mac-mini:~ rich$ mpv --version
 mpv 0.26.0 (C) 2000-2017 mpv/MPlayer/mplayer2 projects
  built on Sat Dec 16 21:56:17 CET 2017
 ffmpeg library versions:
    libavutil       55.78.100
    libavcodec      57.107.100
    libavformat     57.83.100
    libswscale      4.8.100
    libavfilter     6.107.100
    libswresample   2.9.100
 ffmpeg version: 3.4.1


 built on yosemite 10.10 with youtube-dl installed  with

 sudo curl -L https://yt-dl.org/downloads/latest/youtube-dl -o
 /usr/local/bin/youtube-dl
 sudo chmod a+rx /usr/local/bin/youtube-dl



 can' playback youtube playlist

 eg.

 mpv https://www.youtube.com/watch?v=Vn7kB0f16jg&list=PL-
 2mqY82TEri1eOFZmhfwuLxX11V1TkcI

 [1] 12138
 richs-Mac-mini:~ rich$ Playing:
 https://www.youtube.com/watch?v=Vn7kB0f16jg
 [ytdl_hook]
 [ytdl_hook] stack traceback:
 [ytdl_hook]     [C]: in function 'len'
 [ytdl_hook]     @ytdl_hook.lua:71: in function 'edl_escape'
 [ytdl_hook]     @ytdl_hook.lua:139: in function 'edl_track_joined'
 [ytdl_hook]     @ytdl_hook.lua:171: in function 'add_single_video'
 [ytdl_hook]     @ytdl_hook.lua:454: in function 'fn'
 [ytdl_hook]     mp.defaults:518: in function 'handler'
 [ytdl_hook]     mp.defaults:339: in function 'handler'
 [ytdl_hook]     mp.defaults:458: in function 'call_event_handlers'
 [ytdl_hook]     mp.defaults:495: in function 'dispatch_events'
 [ytdl_hook]     mp.defaults:451: in function <mp.defaults:450>
 [ytdl_hook]     [C]: in ?
 [ytdl_hook]     [C]: in ?
 [ytdl_hook] Lua error: @ytdl_hook.lua:71: bad argument #1 to 'len' (string
 expected, got nil)
 [ffmpeg] tls: IO Error: -9806
 Failed to recognize file format.

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Ticket URL: <https://trac.macports.org/ticket/55533>
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