[ CCode ( cname = "gst_buffer_add_video_region_of_interest_meta" ) ]
public unowned RegionOfInterestMeta? buffer_add_video_region_of_interest_meta (Buffer buffer, string roi_type, uint x, uint y, uint w, uint h)
Attaches RegionOfInterestMeta metadata to buffer with the
given parameters.
| buffer |
a Buffer |
| roi_type |
Type of the region of interest (e.g. "face") |
| x |
X position |
| y |
Y position |
| w |
width |
| h |
height |
|
the RegionOfInterestMeta on |