[vdr] [subtitles-plugin] Is it possible to change the PIDS in a recording on the fly?

Anssi Hannula anssi.hannula at gmail.com
Wed Sep 14 19:41:09 CEST 2005

Petri Helin wrote:
> Klaus Schmidinger wrote:
>> Petri Helin wrote:
>>> Klaus Schmidinger wrote:
>>>> Once version 1.4 is released I will certainly implement
>>>> subtitle support in the core VDR at some point, and then
>>>> you will be able to select subtitle tracks just as you can
>>>> with audio tracks now.
>>> This is nice to hear.
>>> Now that you compared subtitling and audio streams I should propably 
>>> tell you that they are experimenting with an "audio subtitling" in 
>>> Finland which means that there is a possibility to select a 
>>> subtitling which is read by a some kind of a synthetisizer. In 
>>> set-top boxes this is done so that you select dutch (not that common 
>>> language in Finland) from the subtitles menu. In VDR this brings up 
>>> dutch as an option in the audio selection menu.
>>> This is from syslog:
>>> changing pids of channel 1 from 512+128:650=fin:2321 to 
>>> 512+128:650=eng,652=dut:2321
>>> How do you think this has been done? I mean the difference between 
>>> set-top boxes and VDR. Not that important though, just curious about it.
>> I'm afraid I don't understand your question.
>> From the channel entry they're apparently advertising two audio
>> tracks, an English one on PID 650 and a Dutch one on PID 652.
>> What else is VDR supposed to do than to bring up these two
>> audio tracks?
> For what I know is that in set-top boxes the selection is supposed to be 
> made from the subtitles menu, not from the audio menu. I don't own a 
> set-top box, so I cannot confirm that it really is so. Now that I think 
> it again I must remenber incorrectly and it really is an audio stream.
> The reason why I brought this up is that I thought that there would be a 
> way to use that mechanism which causes the syslog line above to notice 
> change in subtiling PIDs.

Where did you get this information that they are supposed to be selected 
from the subtitles menu? I have heard of the audio subtitles too, but I 
thought they were simple audio streams.

Anssi Hannula

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