Creates a #GstCapsFeatures from a string representation.
Free-function: gst_caps_features_free
a string representation of a #GstCapsFeatures.
a new #GstCapsFeatures or %NULL when the string could not be parsed. Free with gst_caps_features_free() after use.
1.2
See Implementation
Creates a #GstCapsFeatures from a string representation.
Free-function: gst_caps_features_free