RTSP-Streaming example is sending data incorrectly

[rogday]

I don't know anything about h264, but the code below allows for self.data to be transmitted twice, which causes errors on the receiving end if one sets do-timestamp=true, for example. https://github.com/luxonis/depthai-experiments/blob/61ff41c5235220683e7dd4c677b1438b1d1fe785/gen2-rtsp-streaming/main.py#L26-L30 Possible fix(not an expert in GStreamer, so no PR): add ! queue after appsrc, set self.appsrc in RtspSystem::do_configure and don't connect it to anything, in RtspSystem::send_data we check if appsrc is initialized, and if it is, we emit push-buffer as per RtspSystem::on_need_data.