[pjsip] Missing RTP packets
bennylp at pjsip.org
Thu May 1 05:12:45 EDT 2008
On Wed, Apr 30, 2008 at 8:38 PM, Jack Bonn <jack.bonn at swlabs.com> wrote:
> I retrieved the latest from the Subversion database and have built an
> image that almost works in the CE 5.0 environment. I am testing against
> SJphone running on the PC. As I previously mentioned, I had to change the
> definition of VSNPRINTF in pa_debugprint.c to get things to compile, and
> changed a few things in pjsua_wince.cpp: the value of SIP_DST_URI,
> disabled STUN and disabled ICE. I am testing on a local network, so STUN
> and ICE would seem to be unnecessary.
> I can establish connection in either direction, either from SJphone to
> wince_demos or visa versa.
> The audio from the PC to the WinCE computer seems fine. Clear and very
> little delay; much less delay than with Microsoft's CE VOIP demo (which
> seemed excessive).
Really? That's cool! I never compared it with other CE phones, so glad
to hear that it fares well.
> Here is the problem: the audio from the CE box toward the PC is choppy and
> eventually drops down to a few clicks. At this point, few RTP packets are
> being sent toward the PC (as indicated by WireShark). Those few remaining
> packets being sent by wince_demos all have the "Mark" bit set.
> I have my options in config_site.h set as follows:
> # define PJ_HAS_FLOATING_POINT 1
Are you sure this is a good idea? Everything else in your config look okay.
To add to what Nanang said, probably it'll be better to disable the
echo suppressor too (set the ec_tail to zero). With the echo
suppressor enabled, mic transmission will be muted when there is
signal in the speaker, which sounds like the problem you're
> # define PJMEDIA_HAS_G722_CODEC 0
> # define PJMEDIA_HAS_G711_PLC 0
> # define PJMEDIA_HAS_L16_CODEC 0
> # define PJMEDIA_HAS_GSM_CODEC 1
> # define PJMEDIA_HAS_ILBC_CODEC 0
> # define PJMEDIA_HAS_SPEEX_CODEC 0
> # define PJMEDIA_HAS_SPEEX_AEC 0
> # undef PJMEDIA_RESAMPLE_IMP
> # define PJMEDIA_RESAMPLE_IMP PJMEDIA_RESAMPLE_LIBRESAMPLE
> # define PJMEDIA_WSOLA_IMP PJMEDIA_WSOLA_IMP_NULL
> # define PJMEDIA_HAS_SRTP 0
> WireShark indicates that GSM codecs are used in both directions.
> Not sure where to look next. Suggestions?
> Jack Bonn <> Software Design Labs, Inc.
> jack.bonn at swlabs.com (847)526-1337
> Dyslexics untie.
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