Hi, I have installed pjsip 2.0 in windows. I can make TLS supported video calls from pjsua-app/bin/pjsua-i386-Win32-vc8-Debug.exe sip client (using rtpproxy and kamailio sip server) to another pjsua-app/bin/pjsua-i386-Win32-vc8-Debug.exe sip client. I never faced any problem for video calls if I use pjsua-app/bin/pjsua-i386-Win32-vc8-Debug.exe . But if I use pjsua-app/src/vidgui app and click on start preview then i unable to see my own preview video. I attached screenshot in windows 7. I already installed QT SDK 1.2.1 from nokia website and I was able to build vidgui (debug edition) using visual studio express 2008 without any problem. But the same vidgui application is working perfectly in linux with same camera. 12:01:59.710 sip_endpoint.c .Module "mod-pjsua-log" registered 12:01:59.710 sip_endpoint.c .Module "mod-tsx-layer" registered 12:01:59.710 sip_endpoint.c .Module "mod-stateful-util" registered 12:01:59.710 sip_endpoint.c .Module "mod-ua" registered 12:01:59.710 sip_endpoint.c .Module "mod-100rel" registered 12:01:59.710 sip_endpoint.c .Module "mod-pjsua" registered 12:01:59.710 sip_endpoint.c .Module "mod-invite" registered 12:01:59.720 wmme_dev.c ..WMME found 4 devices: 12:01:59.720 wmme_dev.c .. dev_id 0: Wave mapper (in=2, out=2) 12:01:59.720 wmme_dev.c .. dev_id 1: Front Microphone (Conexant HD A (in=2, out=0) 12:01:59.720 wmme_dev.c .. dev_id 2: Stereo Mix (Conexant HD Audio) (in=2, out=0) 12:01:59.720 wmme_dev.c .. dev_id 3: Speakers (Conexant HD Audio) (in=0, out=2) 12:01:59.720 wmme_dev.c ..WMME initialized 12:01:59.720 pjlib ..select() I/O Queue created (0182ABE4) 12:01:59.721 conference.c ..Creating conference bridge with 254 ports 12:01:59.721 Master/sound ..Using delay buffer with WSOLA. 12:01:59.723 pjsua_vid.c ..Initializing video subsystem.. 12:01:59.723 ffmpeg_vid_cod ...The H263-1998 decoder is using base codec (H263) 12:01:59.723 dshow_dev.c ...Failed initializing DShow: COM library already initialized with incompatible concurrency model 12:01:59.723 colorbar_dev.c ...Colorbar video src initialized with 1 device(s): 12:01:59.723 colorbar_dev.c ... 0: Colorbar generator 12:01:59.724 sdl_dev.c ...SDL 1.3 initialized 12:01:59.724 sip_endpoint.c .Module "mod-evsub" registered 12:01:59.724 sip_endpoint.c .Module "mod-presence" registered 12:01:59.724 evsub.c .Event pkg "presence" registered by mod-presence 12:01:59.724 sip_endpoint.c .Module "mod-mwi" registered 12:01:59.724 evsub.c .Event pkg "message-summary" registered by mod-mwi 12:01:59.724 sip_endpoint.c .Module "mod-refer" registered 12:01:59.724 evsub.c .Event pkg "refer" registered by mod-refer 12:01:59.724 sip_endpoint.c .Module "mod-pjsua-pres" registered 12:01:59.724 sip_endpoint.c .Module "mod-pjsua-im" registered 12:01:59.724 sip_endpoint.c .Module "mod-pjsua-options" registered 12:01:59.724 pjsua_core.c .1 SIP worker threads created 12:01:59.724 pjsua_core.c .pjsua version 2.0 for win32-6.1/i386/msvc-15.0 initialized 12:01:59.724 pjsua_core.c .PJSUA state changed: CREATED --> INIT 12:01:59.725 pjsua_core.c SIP UDP socket reachable at 192.168.1.6:5080 12:01:59.725 udp01840B90 SIP UDP transport started, published address is 192.168.1.6:5080 12:01:59.727 tcplis:49304 SIP TCP listener ready for incoming connections at 192.168.1.6:49304 12:01:59.727 pjsua_acc.c Adding account: id=sip:vidgui at 192.168.1.6:5080 12:01:59.727 pjsua_acc.c .Account sip:vidgui at 192.168.1.6:5080 added with id 0 12:01:59.727 vidgui.cpp Starting stack.. 12:01:59.727 pjsua_core.c PJSUA state changed: INIT --> STARTING 12:01:59.727 pjsua_media.c ..NAT type detection failed: Invalid STUN server or server not configured (PJNATH_ESTUNINSERVER) 12:01:59.727 sip_endpoint.c .Module "mod-unsolicited-mwi" registered 12:01:59.727 pjsua_core.c .PJSUA state changed: STARTING --> RUNNING 12:01:59.727 vidgui.cpp Ready 12:01:59.727 sip_endpoint.c Module "mod-default-handler" registered 12:02:01.842 pjsua_vid.c Starting preview for cap_dev=-1, show=0 12:02:01.842 pjsua_vid.c .Creating video window: type=preview, cap_id=-1, rend_id=-2 12:02:01.842 vid_port.c ..Opening device Colorbar generator [Colorbar] for capture: format=YUY2, size=352x288 @25:1 fps 12:02:01.842 vid_port.c ..Device Colorbar generator [Colorbar] opened: format=YUY2, size=352x288 @25:1 fps 12:02:01.843 vid_port.c ..Opening device SDL renderer [SDL] for render: format=YUY2, size=352x288 @25:1 fps 12:02:01.878 vid_port.c ..Device SDL renderer [SDL] opened: format=YUY2, size=352x288 @25:1 fps 12:02:01.879 pjsua_vid.c ..preview window id 0 created for cap_dev=0 rend_dev=-2 12:02:01.879 pjsua_vid.c ..Window 0 created 12:02:01.879 sdl_dev.c .Starting sdl video stream 12:02:01.879 colorbar_dev.c .Starting cbar video stream 12:02:01.881 vidwin.cpp 0003031C size = 353x289 12:02:01.978 vidwin.cpp 0003031C new parent handle = 00030332 12:02:02.132 vidwin.cpp 0003031C new size = 353x289 12:02:02.333 vidgui.cpp Preview started 12:02:05.933 vidwin.cpp 0003031C revert parent handle to 00000000 12:02:05.934 pjsua_core.c Shutting down, flags=0... 12:02:05.934 pjsua_core.c PJSUA state changed: RUNNING --> CLOSING 12:02:05.935 pjsua !Thread stack max usage=1645 by c:\pjproject-2.0\pjproject-2.0\pjlib\src\pj\os_core_win32.c:944 12:02:05.935 pjsua_call.c !.Hangup all calls.. 12:02:05.935 pjsua_pres.c .Shutting down presence.. 12:02:05.935 pjsua_media.c .Shutting down media.. 12:02:05.935 pjsua_media.c ..Call 0: deinitializing media.. 12:02:05.935 pjsua_media.c ..Call 1: deinitializing media.. 12:02:05.935 pjsua_media.c ..Call 2: deinitializing media.. 12:02:05.935 pjsua_media.c ..Call 3: deinitializing media.. 12:02:05.935 pjsua_vid.c ..Destroying video subsystem.. 12:02:05.935 pjsua_vid.c ...Window 0: destroying.. 12:02:05.958 clock !Thread stack max usage=1349 by c:\pjproject-2.0\pjproject-2.0\pjlib\src\pj\os_core_win32.c:1139 12:02:05.958 colorbar_dev.c !....Stopping cbar video stream 12:02:05.958 vid_port.c ....Closing Colorbar generator.. 12:02:05.958 colorbar_dev.c ....Stopping cbar video stream 12:02:05.958 sdl_dev.c ....Stopping sdl video stream 12:02:05.958 vid_port.c ....Closing SDL renderer.. 12:02:05.958 sdl_dev.c ....Stopping sdl video stream 12:02:05.962 pjsua_vid.c ...Window 1: destroying.. 12:02:05.962 pjsua_vid.c ...Window 2: destroying.. 12:02:05.962 pjsua_vid.c ...Window 3: destroying.. 12:02:05.962 pjsua_vid.c ...Window 4: destroying.. 12:02:05.962 pjsua_vid.c ...Window 5: destroying.. 12:02:05.962 pjsua_vid.c ...Window 6: destroying.. 12:02:05.962 pjsua_vid.c ...Window 7: destroying.. 12:02:05.963 pjsua_vid.c ...Window 8: destroying.. 12:02:05.963 pjsua_vid.c ...Window 9: destroying.. 12:02:05.963 pjsua_vid.c ...Window 10: destroying.. 12:02:05.963 pjsua_vid.c ...Window 11: destroying.. 12:02:05.963 pjsua_vid.c ...Window 12: destroying.. 12:02:05.963 pjsua_vid.c ...Window 13: destroying.. 12:02:05.963 pjsua_vid.c ...Window 14: destroying.. 12:02:05.963 pjsua_vid.c ...Window 15: destroying.. 12:02:05.984 sdl_thread !Thread stack max usage=509 by c:\pjproject-2.0\pjproject-2.0\pjlib\src\pj\os_core_win32.c:1139 12:02:05.984 job_th !Thread stack max usage=957 by c:\pjproject-2.0\pjproject-2.0\pjlib\src\pj\os_core_win32.c:944 12:02:05.984 ev_thread !Thread stack max usage=381 by c:\pjproject-2.0\pjproject-2.0\pjlib\src\pj\os_core_win32.c:1139 12:02:06.222 media !Thread stack max usage=1429 by c:\pjproject-2.0\pjproject-2.0\pjlib\src\pj\os_core_win32.c:944 12:02:07.222 pjsua_core.c !.Destroying... 12:02:07.222 sip_endpoint.c .Destroying endpoing instance.. 12:02:07.222 sip_transactio .Stopping transaction layer module 12:02:07.222 sip_transactio .Stopped transaction layer module 12:02:07.222 sip_endpoint.c .Module "mod-default-handler" unregistered 12:02:07.222 sip_endpoint.c .Module "mod-unsolicited-mwi" unregistered 12:02:07.222 sip_endpoint.c .Module "mod-pjsua-options" unregistered 12:02:07.222 sip_endpoint.c .Module "mod-pjsua-im" unregistered 12:02:07.222 sip_endpoint.c .Module "mod-pjsua-pres" unregistered 12:02:07.222 sip_endpoint.c .Module "mod-pjsua" unregistered 12:02:07.222 sip_endpoint.c .Module "mod-stateful-util" unregistered 12:02:07.222 sip_endpoint.c .Module "mod-refer" unregistered 12:02:07.222 sip_endpoint.c .Module "mod-mwi" unregistered 12:02:07.222 sip_endpoint.c .Module "mod-presence" unregistered 12:02:07.222 sip_endpoint.c .Module "mod-evsub" unregistered 12:02:07.222 sip_endpoint.c .Module "mod-invite" unregistered 12:02:07.222 sip_endpoint.c .Module "mod-100rel" unregistered 12:02:07.222 sip_endpoint.c .Module "mod-ua" unregistered 12:02:07.222 sip_transactio .Transaction layer module destroyed 12:02:07.222 sip_endpoint.c .Module "mod-tsx-layer" unregistered 12:02:07.222 sip_endpoint.c .Module "mod-msg-print" unregistered 12:02:07.222 sip_endpoint.c .Module "mod-pjsua-log" unregistered 12:02:07.222 sip_transport. .Destroying transport manager 12:02:07.223 tcplis:49304 .SIP TCP listener destroyed 12:02:07.223 sip_endpoint.c .Endpoint 017EEEE4 destroyed 12:02:07.223 pjsua_core.c .PJSUA state changed: CLOSING --> NULL 12:02:07.223 pjsua_core.c .PJSUA destroyed... -------------- next part -------------- An HTML attachment was scrubbed... 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