{"action":"closed","issue":{"url":"https://api.github.com/repos/mbunkus/mkvtoolnix/issues/1763","repository_url":"https://api.github.com/repos/mbunkus/mkvtoolnix","labels_url":"https://api.github.com/repos/mbunkus/mkvtoolnix/issues/1763/labels{/name}","comments_url":"https://api.github.com/repos/mbunkus/mkvtoolnix/issues/1763/comments","events_url":"https://api.github.com/repos/mbunkus/mkvtoolnix/issues/1763/events","html_url":"https://github.com/mbunkus/mkvtoolnix/issues/1763","id":170388754,"number":1763,"title":"Teletext subtitles not recognized","user":{"login":"mkver","id":18448094,"avatar_url":"https://avatars.githubusercontent.com/u/18448094?v=3","gravatar_id":"","url":"https://api.github.com/users/mkver","html_url":"https://github.com/mkver","followers_url":"https://api.github.com/users/mkver/followers","following_url":"https://api.github.com/users/mkver/following{/other_user}","gists_url":"https://api.github.com/users/mkver/gists{/gist_id}","starred_url":"https://api.github.com/users/mkver/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mkver/subscriptions","organizations_url":"https://api.github.com/users/mkver/orgs","repos_url":"https://api.github.com/users/mkver/repos","events_url":"https://api.github.com/users/mkver/events{/privacy}","received_events_url":"https://api.github.com/users/mkver/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/mbunkus/mkvtoolnix/labels/app:mkvmerge","name":"app:mkvmerge","color":"fbca04"},{"url":"https://api.github.com/repos/mbunkus/mkvtoolnix/labels/os:all","name":"os:all","color":"444444"},{"url":"https://api.github.com/repos/mbunkus/mkvtoolnix/labels/v9.3.1","name":"v9.3.1","color":"330099"}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2016-08-10T10:53:58Z","updated_at":"2016-08-10T17:38:06Z","closed_at":"2016-08-10T17:38:06Z","body":"Hello,\r\n\r\nI know that you have already said that [you do not want to spend time on transport streams/teletext](https://github.com/mbunkus/mkvtoolnix/issues/1662#issuecomment-212573085), but for the record I have uploaded an ARD recording (00007.ts) which has German teletext on page 150 and Danish teletext on page 799 ([here](https://de-de.facebook.com/UntertitelPflicht/posts/371556589539381) is an explanation for the existence of the Danish teletext) and neither is recognized by MKVToolNix (not even if I increase the probe percentage to 99.99). \r\nCCExtractor detects that both pages possibly contain subtitles and by default extracts the first page for which a packet is detected; but CCExtractor lets you choose other pages to extract, too. I think that this would be a good idea for MKVToolNix, too: If you notice that a file contains teletext, you could let the user choose a list of pages to convert to subtitles. This would be especially good as teletext seems to be a neverending work in progress.\r\n\r\nGrüße\r\nAndi"}}
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