On Fri, Feb 08, 2013 at 07:14:48PM +0000, Nowlan, Sean wrote: > I'm playing around with the new > gr_pdu_to_tagged_stream/gr_tagged_stream_to_pdu > blocks. Is there something that can translate between the new tag format and > the standard tx_sob (start of burst)/tx_eob (end of burst)/tx_time tags?
Hi Sean, there's only one type of tags--I'm not sure what you're asking here. > I guess it's possible to write a packet scheduler if you fix a timestamp in > the > PMT metadata dictionary? I think this would involve writing a message source > block that could attach PMT pairs containing tx_sob/PMT_T and tx_time/tuple > (uint64_t secs, double frac_secs). A downstream block could read the > pdu_length > tag and put a tx_eob/PMT_T stream tag at the appropriate place. Does this > sound > like a reasonable approach? That sounds exactly like something I discussed with Johnathan recently. Not everything you've described is there in GNU Radio, but it sounds reasonable. MB -- Karlsruhe Institute of Technology (KIT) Communications Engineering Lab (CEL) Dipl.-Ing. Martin Braun Research Associate Kaiserstraße 12 Building 05.01 76131 Karlsruhe Phone: +49 721 608-43790 Fax: +49 721 608-46071 www.cel.kit.edu KIT -- University of the State of Baden-Württemberg and National Laboratory of the Helmholtz Association
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