Hi, Yes, I think so, however, pjsua will keep trying to open sound device for other clock rates and automatically do the resampling for PCMU/8000Hz call session, so it should be fine (except you don't want any resampling involved). Regards, nanang On Tue, Oct 7, 2008 at 3:56 PM, emanuele bottegoni <emanuele.b at automaonline.com> wrote: > Hi, > > I've a pjsip stack installed in a Samsung Q1 Ultra (with Ubuntu) and I > start pjsua with the following options (with a config file): > > # > # Logging options: > # > --log-level 5 > --app-log-level 4 > --log-file pjlog > > # > # Network settings: > # > --local-port 5060 > > # > # Media settings: > # > --capture-dev=1 > --playback-dev=1 > --playback-lat 100 > --clock-rate 8000 > #using default --quality 10 > --no-vad > #using default --ec-tail 200 > #using default --ilbc-mode 30 > --rtp-port 5000 > --add-codec pcmu > --dis-codec speex > --dis-codec ilbc > --dis-codec GSM > --dis-codec G722 > > # > # User agent: > # > --max-calls 4 > > # > # Buddies: > # > > So, I force the clock rate at 8000 Hz because I've the other endpoint, > working with the stack, sending an audio with PCMU codec at 8000 Hz. > When I launch pjsua in Q1 I obtain some warnings like following: > > pjsua_media.c pjsua_set_snd_dev():attempting to open devices @8000 Hz > pjsua_media.c ..failed: Invalid sample rate > > and the same for devices @22050 Hz and @44100 Hz > > The same pjsua on my desktop machine don't log these warnings... > > If I set as Capture and playback device an USB headphone set there are no > problem. > > the problem is the sound card don't supporting the 8000 Hz sample rate? > > Cheers > > Emanuele > > > > _______________________________________________ > 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 >
