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
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????????????
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