I am new to pjsip and I didn't look into the code, but I try to guess from general knowledge: couldn't it be due to comfort noise generated by pjsip? (I don't know if pjsip offers this feature) -----Original Message----- From: pjsip-bounces@xxxxxxxxxxxxxxx [mailto:pjsip-bounces at lists.pjsip.org] On Behalf Of Nanang Izzuddin Sent: Mittwoch, 14. Mai 2008 11:25 To: pjsip list Subject: Re: cpu too high We also experienced that speex encoder may cause CPU increased significantly when silence occurred (not sure why), and this is already handled by pjmedia since few months ago. So which version are you using? Regards, nanang 2008/5/14 cat tanger <tanger_wendy at yahoo.com.cn>: > hi, > when A and B establishes a call , and user B say something ,user A keeps > silence ,then A PC's cpu fluctuate frome 20 to 50%. if user A say > something then A cpu reduce to 10%. (user A PC is Interl pentium Duale2140 > 1.6Ghz ,2G memory ,OS :xp.) > > when A cpu is 40% ,I find stack as follows: > ntkrnlpa.exe!ExAllocatePoolWithTag+0x8ab > ntkrnlpa.exe!MmIsDriverVerifying+0xa08 > hal.dll!HalClearSoftwareInterrupt+0x342 > pjsua_vc8d.exe!inner_prod+0x62 > pjsua_vc8d.exe!pitch_xcorr+0x3a > pjsua_vc8d.exe!open_loop_nbest_pitch+0x225 > pjsua_vc8d.exe!nb_encode+0x698 > pjsua_vc8d.exe!speex_encode_native+0x1f > pjsua_vc8d.exe!sb_encode+0x112 > pjsua_vc8d.exe!speex_encode_int+0x73 > pjsua_vc8d.exe!spx_codec_encode+0x8f > pjsua_vc8d.exe!put_frame_imp+0x2cb > pjsua_vc8d.exe!put_frame+0x1a5 > pjsua_vc8d.exe!pjmedia_port_put_frame+0x77 > pjsua_vc8d.exe!write_port+0x3e1 > pjsua_vc8d.exe!get_frame+0x536 > pjsua_vc8d.exe!pjmedia_port_get_frame+0x77 > pjsua_vc8d.exe!play_cb+0x5e > pjsua_vc8d.exe!PaPlayerCallback+0x1fa > pjsua_vc8d.exe!NonAdaptingProcess+0x28c > pjsua_vc8d.exe!PaUtil_EndBufferProcessing+0x290 > pjsua_vc8d.exe!ProcessingThreadProc+0x644 > kernel32.dll!GetModuleFileNameA+0x1b4 > > > ________________________________ > ???????????? > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > > _______________________________________________ Visit our blog: http://blog.pjsip.org pjsip mailing list pjsip at lists.pjsip.org http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org