Gstreamer streaming test with stereo camera, Raspberry Pi 3 to iOS, iPhone HD

raspberry pi : gst-launch-1.0 -v v4l2src ! video/x-raw,width=1280,height=480,framerate=30/1 ! videoconvert ! omxh264enc ! rtph264pay pt=96 config-interval=1 ! udpsink host=192.168.0.5 port=5555 iOS: (have to convert pipelines to Objective C code) gst-launch-1.0 udpsrc port=5555 caps="application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264" ! rtph264depay ! avdec_h264 ! videoconvert ! autovideosink used Wi-Fi connection. the latency is around 200ms. reference codes : https://gstreamer.freedesktop.org/documentation/application-development/advanced/pipeline-manipulation.html https://cgit.freedesktop.org/~slomo/gst-sdk-tutorials/ camera : https://ja.aliexpress.com/item/Synchronization-Megapixel-MJPEG-30fps-2560-720-Sony-IMX179-Video-73x23mm-small-video-usb-3-0-dual/32655689321.html?spm=2114.13010608.0.0.wwyeUR&detailNewVersion=&categoryId=301102