Get video from ip cam with opencv

[paul_espinosa]

i need to get the video of a ip cam my cam is a dahua ...i read about rtsp but i can not get the video

[aabc]

Do you use Qt C++ or Qml ?

[paul_espinosa]

i use opencv 2.4.8, qt 5.3.1 on windows 8
i readed that I must have installed GStreamer, ffmpeg y xine
i build opencv with cmake 2.8
do i need install that???
if i need install , how can i install???

[paul_espinosa]

sorry ...my code is in QT c++