Add image/jpeg caps to device filter to support MJPEG webcams #237
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Turned out there is another capability needed to support some webcams which produce MJPEG streams. They don't advertise the
video/x-raw
capability but supportimage/jpeg
instead: https://oz9aec.net/software/gstreamer/webcam-pixel-formats-and-gstreamer-caps-filtersThis PR makes sure we are filtering for any one of those two capabilities when looking for a supported device. This fixes #236 (see screenshot below) and might fix as well (needs testing from the corresponding users): #175, #151, #149, #121, #115