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Asked: 2026-06-06T22:25:53+00:00

I was trying to develop a video management software for which I was evaluating

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I was trying to develop a video management software for which I was evaluating Qt Phonon. The software would be built on windows platform and I understand that Phonon uses Directshow as windows backend and if it runs on Linux it uses GStreamer. Using Qt 4.7.4 on Linux which has a demo example of a video player using phonon I was successfully able to see video stream from panasonic IP camera (RTSP stream), however when I tried the same example on windows platform it does not work (returns error 0x800c0000d). What could be the problem?

Regards,

Saurabh Gandhi

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1 Answer

  1. Editorial Team

    0x800c000d is INET_E_UNKNOWN_PROTOCOL, which in turn is “The specified protocol is unknown”. DirectShow and Windows don’t offer anything standard to support RTSP feeds, so the two together suggest that the IP camera feeds are not supported (at least without third party components).

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