[pjsip] cpu too high

Nanang Izzuddin nanang at pjsip.org
Wed May 14 05:24:33 EDT 2008


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
>
>
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