Hi Michael, Has just created ticket for this: https://trac.pjsip.org/repos/ticket/1438. Thanks for the report. BR, nanang On Sun, Jan 1, 2012 at 12:56 PM, mik <rivael_il at yahoo.com> wrote: > > > Apparently, my problem was that my GUI program did CoInitialize and this prevented the one in the dshow_dev.c from working. Removing the CoInitialize in the GUI solved my problem. > > I have added some code to the "dshow_factory_init" to alert about such an event, so I save some debugging days from my fellow programmers: > > /* API: init factory */ > static pj_status_t dshow_factory_init(pjmedia_vid_dev_factory *f) > { > ??? HRESULT hr; > ??? hr = CoInitializeEx(NULL, COINIT_MULTITHREADED); > ??? if (FAILED (hr)) { > ??? ??? char msg[80]; > ??? ??? if (AMGetErrorText(hr, msg, sizeof(msg))) > ??? ??? ??? PJ_LOG(4,(THIS_FILE, "****? Unable to CoInitizeEx!? ******: %s (hr=0x%x)", msg, hr)); > ??? ??? else PJ_LOG(4,(THIS_FILE, "****? Unable to CoInitizeEx!? ******: (hr=0x%x)", hr)); > ??? ??? PJ_ASSERT_RETURN(0, PJ_ECANCELLED); > ??? } > > ??? return dshow_factory_refresh(f); > } > > --- On Thu, 12/29/11, mik <rivael_il at yahoo.com> wrote: > > > From: mik <rivael_il@xxxxxxxxx> > Subject: Crash on pjvideo > To: "pjsip list" <pjsip at lists.pjsip.org> > Date: Thursday, December 29, 2011, 4:13 PM > > Hello, > > When the built-in camera is not instantiated a crash occur at: > > IMediaFilter_Stop(stream->dgraph.media_filter); because the pointer is null. > > I have change the code to: > if (stream->dgraph.media_filter) > ????? IMediaFilter_Stop(stream->dgraph.media_filter); > > and this solve the crash. > > I still have the problem of not able to render/filter the camera. The error messages are: > 22:28:51.500??? pjsua_vid.c? .......Setting up TX.. > 22:28:51.500??? pjsua_vid.c? ........Creating video window: type=preview, cap_id=0, rend_id=2 > 22:31:50.796???? vid_port.c? .........Opening device Integrated Webcam [dshow] for capture: format=YUY2, size=352x288 @30000:1001 fps > 22:32:36.937??? dshow_dev.c? .........Error creating filter graph: CoInitialize has not been called.? (hr=0x800401f0) > 22:32:36.937??? dshow_dev.c? .........Trying to open dshow dev with default fps > 22:32:36.937??? dshow_dev.c? .........Error creating filter graph: CoInitialize has not been called.? (hr=0x800401f0) > 22:32:36.937??? dshow_dev.c? .........Trying to open dshow dev with default size & fps > 22:32:36.937??? dshow_dev.c? .........Error creating filter graph: CoInitialize has not been called.? (hr=0x800401f0) > 22:32:50.000??? dshow_dev.c? .........Stopping dshow video stream > 22:33:37.281???? vid_port.c? .........Closing Integrated Webcam.. > 22:33:53.453??? pjsua_vid.c? .........Window 1: destroying.. > 22:34:33.359? pjsua_media.c? .......Error updating media call00:1: Unknown Error (PJ_EUNKNOWN) > > (CoInitialize HAS been called.) > Any idea? > > Thanks, > > Michael > > -----Inline Attachment Follows----- > > _______________________________________________ > 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 > > > _______________________________________________ > 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 >