from gstreatmer to gdkpixbuf

https://gstreamer.freedesktop.org/documentation/gdkpixbuf/gdkpixbufsink.html?gi-language=c#gdkpixbufsink

last sample https://thiblahute.github.io/GStreamer-doc/xvimagesink-1.0/index.html?gi-language=c#GstXvImageSink:enable-last-sample

gsteamer tee

https://gstreamer.freedesktop.org/documentation/tutorials/basic/multithreading-and-pad-availability.html?gi-language=c

gst-launch-1.0 v4l2src device=/dev/video0 ! tee name=t \
t. ! queue name=video-queue ! jpegenc ! avimux ! filesink location=test_out.avi \
t. ! queue name=stream-queue ! deinterlace ! xvimagesink \
t. ! queue name=image-queue ! videoconvert ! pngenc compression-level=0 ! filesink location=test_out.png

jetson-gstreamer

Full details here

Play from USB cam:

gst-launch-1.0 v4l2src device="/dev/video0" ! "video/x-raw, format=(string)YUY2" ! xvimagesink -e
gst-launch-1.0 v4l2src device="/dev/video0" ! "video/x-raw, width=640, height=480, format=(string)YUY2" ! xvimagesink -e

To play a video:

gst-launch-1.0 filesrc location=video.mp4 ! qtdemux name=demux ! h264parse ! omxh264dec ! nvoverlaysink -e

from old WaveBase hardware (with what looks like USB 3.0)

Video: rawvideo (YUY2 / 0x32595559), yuyv422, 1920x1080, 165888 kb/s, 5 fps, 5 tbr, 1000k tbn, 1000k tbc

HDMI to Type-C (with USB2.0 adapter):

Video: rawvideo (YUY2 / 0x32595559), yuyv422, 1920x1080, 165888 kb/s, 5 fps, 5 tbr, 1000k tbn, 1000k tbc

CamLink:

Video: rawvideo (I420 / 0x30323449), yuv420p, 1920x1080, 1492992 kb/s, 60 fps, 60 tbr, 1000k tbn, 1000k tbc