Creates a gstreamer.CapsFeatures from a string representation.
Free-function: gst_caps_features_free
a string representation of a gstreamer.CapsFeatures
a new gstreamer.CapsFeatures or NULL when the string could not be parsed. Free with Caps.featuresFree after use.
1.2
Creates a gstreamer.CapsFeatures from a string representation.
Free-function: gst_caps_features_free