how to find out subchannels in a .ts file?

Farrell Farahbod <[email protected]>
Newsgroups gmane.comp.video.mplayer.user.dvb
Message-ID <[email protected]> 
When I record a channel with "getatsc /dev/dtv x > mpeg.ts" ("x" being a
number) some channels will have multiple subchannels that I can view
with the -tsprog flag. Is there anyway to probe a .ts file for those
subchannels, so I don't have to guess the numbers?

Thanks,
-- 
Farrell Farahbod <[email protected]>
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