On Sunday 28 November 2010 05:42:21 David Liontooth wrote: > I need to capture ATSC QAM closed captioning to file, and at the same > time the mpeg-ts stream to a different file. I've been looking for an > app that will let me do this. > > A simple cat works: > > cat /dev/dvb/adapter0/dvr0 | tee $FIL.mpg | zvbi-atsc-cc --atsc -m -C > $FIL.txt -T KCBS > > But there is naturally no tuner or timer in cat, so closing the > processes at the end of the recording is a hassle; there may be other > issues cat doesn't handle optimally. I looked around and found gnutv in > the dvb-apps project. > > gnutv is actively maintained, tunes ATSC QAM-256, handles individual > channels well, and has a timer -- but it has a small, show-stopper problem. > > gnutv mandates that the channel name be placed at the end of the user > input. There is a great -out stdout option, but you can't use it to > pipe, since the channel name has to be placed afterwards. > > I suggest we move the channel name into a flag, like the other user > values, so that we can pipe the output like this: > > gnutv -adapter 0 -channel_list ~/.azap/channels.conf -timeout 10 > -channel_name KCBS \ > -out stdout | tee $FIL.mpg | zvbi-atsc-cc --atsc -T -9 $FIL.txt -n KCBS > > With a simple patch against the today's mercurial tree, as below, this > works great. For clarity, I renamed channels to channels_list; I'll be > happy to remove that change if it breaks too many scripts. I don't know > how to make the change to channel_name so that it's backwardly > compatible, but maybe we don't need to. Hm, I do not understand, why it might be a problem to have the channel name as the last parameter. What happens if you try gnutv -adapter 0 -channels ~/.azap/channels.conf -timeout 10 -out stdout KCBS | tee $FIL.mpg | zvbi-atsc-cc --atsc -T -9 $FIL.txt -n KCBS with an unpatched gnutv? CU Oliver -- ---------------------------------------------------------------- VDR Remote Plugin 0.4.0: http://www.escape-edv.de/endriss/vdr/ 4 MByte Mod: http://www.escape-edv.de/endriss/dvb-mem-mod/ Full-TS Mod: http://www.escape-edv.de/endriss/dvb-full-ts-mod/ ---------------------------------------------------------------- -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
