diff options
| author | Ville Skyttä <ville.skytta@iki.fi> | 2011-12-09 21:02:54 +0200 |
|---|---|---|
| committer | Ville Skyttä <ville.skytta@iki.fi> | 2011-12-09 21:02:54 +0200 |
| commit | a707cbc1d365edf677c1804a06e082ba9426eac3 (patch) | |
| tree | a91e34102080439c2aca076060ee876298d65055 /TROUBLESHOOTING | |
| parent | daee0f052fc035287e5071129b5a21f11128824e (diff) | |
| download | vdr-plugin-ttxtsubs-a707cbc1d365edf677c1804a06e082ba9426eac3.tar.gz vdr-plugin-ttxtsubs-a707cbc1d365edf677c1804a06e082ba9426eac3.tar.bz2 | |
Remove "Workaround for some French chns" setup option (unused since 0.2.0).
Diffstat (limited to 'TROUBLESHOOTING')
| -rw-r--r-- | TROUBLESHOOTING | 34 |
1 files changed, 1 insertions, 33 deletions
diff --git a/TROUBLESHOOTING b/TROUBLESHOOTING index b8cf3f5..3c321d9 100644 --- a/TROUBLESHOOTING +++ b/TROUBLESHOOTING @@ -63,9 +63,7 @@ Troubleshooting ttxtsubs A good thing to check first is how another set top box behaves. If the other set top box automatically finds and displays teletext subtitles -while ttxtsubs don't, there is probably a problem in ttxtsubs. If the -channel in question is a French, please see the French channel problem -section below. +while ttxtsubs don't, there is probably a problem in ttxtsubs. If neither the set top box nor ttxtsubs automatically finds the subtitles but you can get them by manually entering the teletext page @@ -198,36 +196,6 @@ automatically pick them up and present the subtitles to the viewer. ----- -There is a known problem with some French channels. Because of some -old specification interpretation mistake, some channels send the -teletext page number in decimal coded as binary, and not as the -standard says in hexadecimal. Since there are set top boxes sold that -has the same bug so that they can work with there channels, they are -reluctant to correct this. The service information for those channels -typically say that the subtitles are on page 858 or 859 when they -really are on page 888 or 889. To still be able to use those channels, -you can in ttxtsubs turn on the "Workaround for some French chns" -option which will remap numbers in the X5Y range into X8Y. Since this -would also remap the page number for a channel that really is using -for example page 859, this is an option that is off by default. If -you see this problem, please contact the channel provider and make -them understand that time will only make it harder to correct this -mistake as more decoders with this bug will be out there and software -updates for older set top boxes will be harder and harder to get. -Some channels do what they can to gradually correct this by sending -both a descriptor for French subtitles on page 859 (whish is -interpreted as page 889 on the old non standard decoders), and as -French for the Hearing Impaired on page 889 which is the setting that -can be used on standard compliant decoders. -(For the technically interrested: The hundreds figure is in teletext -called "magazine" and is sent separately from the 8 bit "page -number". Each magazine can actually have up to 256 pages and the page -number is really in hex, but only the 100 pages which use only the -figures 0-9 are normally seen by the user as only those numbers can be -entered on the remote control keyboard. 59 hex is 89 decimal, and here -is where something went wrong.) - - Note that some channels don't use teletext subtitles but instead use DVB subtitles, which is something different. DVB subtitles are sent as bitmaps, somewhat like DVD subtitles. You can find a plugin for DVB |
