302                                                  camera_frame_metadata_t *metadataResult,  in encodeFaceCoordinates()  argument
320     if ( (0 < metadataResult->number_of_faces) && (NULL != metadataResult->faces) ) {  in encodeFaceCoordinates()
321         free(metadataResult->faces);  in encodeFaceCoordinates()
322         metadataResult->number_of_faces = 0;  in encodeFaceCoordinates()
323         metadataResult->faces = NULL;  in encodeFaceCoordinates()
436         metadataResult->number_of_faces = i;  in encodeFaceCoordinates()
437         metadataResult->faces = faces;  in encodeFaceCoordinates()
439         for (int i = 0; i  < metadataResult->number_of_faces; i++)  in encodeFaceCoordinates()
477         for (int i = 0; i  < metadataResult->number_of_faces; i++)  in encodeFaceCoordinates()
482         metadataResult->number_of_faces = 0;  in encodeFaceCoordinates()
483         metadataResult->faces = NULL;  in encodeFaceCoordinates()
487     if (faceDetectionNumFacesLastOutput != metadataResult->number_of_faces) {  in encodeFaceCoordinates()
490     faceDetectionNumFacesLastOutput = metadataResult->number_of_faces;  in encodeFaceCoordinates()