Function realsense_sys::rs2_playback_get_position

pub unsafe extern "C" fn rs2_playback_get_position(
    device: *const rs2_device, 
    error: *mut *mut rs2_error
) -> c_ulonglong

Gets the current position of the playback in the file in terms of time. Units are expressed in nanoseconds \param[in] device A playback device \param[out] error If non-null, receives any error that occurs during this call, otherwise, errors are ignored \return Current position of the playback in the file in terms of time. Units are expressed in nanoseconds