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<div style="text-align: justify; ">Hi, </div>
<div style="text-align: justify; ">I want to add a property to a camera source element. This property contains five field. How can create this property with one property id and extract it?</div>
<div style="text-align: justify; ">For example, to add the ae_windows property to the v4l2src, the user can use the command </div>
<div style="text-align: justify; ">gst-launch v4l2src ae_windows=”width=49, height=60, centerx=20, centery=30, weight=3” ! xvimagesink.</div>
<div style="text-align: justify; ">to specify the ae_windows.</div>
<div style="text-align: justify; ">Thanks.</div>
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