For a specified hieght does Gstreamer pipeline automatically compute width of frame

[Raghu Msrp]

Hi All.

Just curious to know if only height of the frame is specified in gstreamer
pipeline, does gstreamer compute width automatically. My frame size is
height 1280, width =720. But If don't specify width =720, will gstreamer
know the width will be always 720

gst-launch-1.0 nvcamerasrc sensor-id=0  ! queue !
'video/x-raw(memory:NVMM), height=1280, format=NV12' ! omxh264enc
bitrate=3000000 control-rate=2  ! 'video/x-h264,
streamformat=(string)byte-stream' ! h264parse

Appreciate your help.

Regards
Raghu
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