Hi, > I am a linux and rohc newbie. I am trying to get my > head around the rohc implementation and how I can use it for testing. > I want to send rohc compressed packets from system 1 to system 2, > unidirectional mode. I am confused as to how the rohc tunnel works. > Am I right in assuming that once you follow the instructions shown in > FAQ#639, whatever packets I send on the tunnel is compressed using > rohc to the min possible size?
It should be. If you think it is not the case, please report the problem with full details to reproduce it. > If that is the case then how can I get statistics for the stream? See the explanations from the header of tunnel.c file [1]. In practice, you should start the rohctunnel app as follow: rohctunnel [yours options here] 3>comp_stats 4>decomp_stats The comp_stats and decomp_stats will then contain the statistics for compression and decompression processes. > Now if I were to write a program of my own that sends IP packets or > IP/UDP/RTP packets, how can I compress the stream so that a > decompressor can then receive the stream to perform > comparisons/statistic generation of the compression performed? You may find information to use the ROHC library in your own program in FAQ #638. Regards, Didier Barvaux [1] http://bazaar.launchpad.net/~didier-barvaux/rohc/main/annotate/head:/app/tunnel/tunnel.c#L39 [2] https://answers.launchpad.net/rohc/+faq/638
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