Hi Andreas, Want to update you that we have made some changes related to your report in #1837 <http://trac.pjsip.org/repos/ticket/1837>. You might also want to check another fix for iOS video in #1835 <http://trac.pjsip.org/repos/ticket/1835>, Thanks for the report! Best Regards, Riza On Fri, Nov 28, 2014 at 4:17 PM, Andreas Bretschneider < andreas.bretschneider at controlcenterapps.com> wrote: > Hi everyone, > we are developing an iOS application with PJSIP (currently working on the > trunk). We have 2 problems with the video call functionality and I would be > very happy if someone could help me with fixing and/or confirming the > problem. > > 1. We are experiencing crashes when toggling video on and off. After how > many toggles it crashes is not deterministic, on newer iOS devices it seems > to withstand more toggling. This is the stack that I see in XCode. > > #0 0x0026a4e0 in tee_put_frame () > #1 0x00267b00 in enc_clock_cb () > #2 0x0024fe96 in clock_thread () > #3 0x00241122 in thread_main () > #4 0x3008de66 in _pthread_body () > #5 0x3008ddda in _pthread_start () > > I enable the video call on one side doing this: > > pjsua_call_setting settings; > pjsua_call_setting_default(&settings); > settings.req_keyframe_method = PJSUA_VID_REQ_KEYFRAME_SIP_INFO; > settings.vid_cnt = enable ? 1 : 0; > status = pjsua_call_reinvite2(callId, &settings, nil); > > The other sides answer is constructed this way: > > int videoCount = 0; > for(int i = 0; i < offer->media_count; i++) > { > pjmedia_sdp_media media = *offer->media[i]; > > size_t lenpre = strlen("video"); > size_t lenstr = strlen(media.desc.media.ptr); > bool startsWith = lenstr < lenpre ? false : strncmp("video", media. > desc.media.ptr, lenpre) == 0; > > if(startsWith) > { > videoCount++; > } > } > opt->vid_cnt = videoCount > 0 ? 1 : 0; > code = 200; > > When repeatedly executing the video toggling "enable" true/false the crash > appears. At first I expected that we maybe need to wait for some resources > to free up, but no matter how slowly I toggle at some point it crashes > (sometimes at the first on/off/on, sometimes it takes about 5 toggles...). > > 2. When changing capture device, we can change from front to back camera > but can not return to the front camera. When changing back to the front > camera, the video playback on the other side stops. Changing to back again > resumes the video from the back camera. I tried using STOP and START stream > but it did not have any effect. We change capture device like so: > pjsua_call_vid_strm_op_param param; > pjsua_call_vid_strm_op_param_default(¶m); > param.cap_dev = _captureDevice; > pj_status_t status = pjsua_call_set_vid_strm(callId, > PJSUA_CALL_VID_STRM_CHANGE_CAP_DEV,¶m); > > I'd be very happy if someone could point out mistakes that I made or > confirm that this is part of some known issues which I could not find. > Please let me know if you need more information to help us!!! > > Thank you very much in advance, Andi > > _______________________________________________ > 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 > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20150410/e496f68a/attachment.html>
