camera_meta_get_face_pitch()

Extract the detected face pitch angle from the provided face metadata.

Synopsis:

int camera_meta_get_face_pitch(const camera_metadata_t metadata,                 
                               float *pitch)

Since:

BlackBerry 10.0.0

Arguments:

metadata

The metadata supplied to the user-defined consumer function by camera_meta_iterate_metadata().

pitch

The angle of rotation of the face around the x-axis.

Library:

libcamapi (For the qcc command, use the -l camapi option to link against this library)

Description:

The pitch value ranges from -180 degrees to +180 degrees relative to the preview buffer coordinate space. A negative pitch angle indicates that the face is tilted downward. A positive pitch angle indicates that the face is tilted upward.

Returns:

CAMERA_EOK when the function successfully completes, CAMERA_ENODATA if the camera did not provide a pitch value otherwise another camera_error_t value that provides the reason that the call failed.

Last modified: 2014-06-24



Got questions about leaving a comment? Get answers from our Disqus FAQ.

comments powered by Disqus