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No teletext (libzvbi) support

Open wazerstar opened this issue 4 years ago • 3 comments

Important information

Android version: Shield Android TV SW Version 9.0.1(33.1.0.283)

mpv-android version:

2022-03-06-release / 27 mpv 0.34.0-222-g7f67a553f6

Description

Cannot load subtitles from mpeg-ts stream, they work in VLC, MPC,MPC-BE etc.

Log output

https://pastebin.com/j3cUgMtn

Additional information

mpeg-ts stream animal planet.

Clip with sub from mpeg-ts stream included. record-2022-03-13-18h04m06s-v50-.zip

wazerstar avatar Mar 13 '22 17:03 wazerstar

The subtitle format is Teletext, which seems to require zvbi to be decodable by ffmpeg. This is quite niche so I'm not sure if the effort of adding it to mpv-android is justified.

sfan5 avatar Mar 16 '22 10:03 sfan5

The subtitle format is Teletext, which seems to require zvbi to be decodable by ffmpeg. This is quite niche so I'm not sure if the effort of adding it to mpv-android is justified.

Pretty much one of the biggest players out there in Scandinavia and now also in The Netherlands runs their subs with teletext over cable tv https://www.nentgroup.com/brands/tv

So deff not a niche, Discovery also owned by Disney do also run those in various format.

wazerstar avatar Mar 16 '22 21:03 wazerstar

If you don't want to pull in the dep, there is a patch with basic teletex support I did a while back.

https://patchwork.ffmpeg.org/project/ffmpeg/patch/[email protected]/

tmm1 avatar Mar 16 '22 21:03 tmm1