Outputting Tracking Data (free-d)

The unit can output pan/tilt/zoom, focus and iris tracking information synchronized to a sync signal.

The data output conforms to the free-d protocol, an industry standard. You can select the output method, choosing between constant output and output upon request from clients. Select the output method according to your VR/AR system.

  1. Check that the unit is turned on.
  2. Set the tracking data output method.
    For constant output
    1. Set [Technical] > [Tracking Data Output] > [Transfer Mode] to [Always] in the web menu.
    2. Set the ID of the unit in [Camera ID].
    3. Specify the output destination IP address in [Destination Address].
    4. Specify the output destination port number in [Destination Port].
    5. Press the [OK] button.
    For output upon request from clients
    1. Set [Technical] > [Tracking Data Output] > [Transfer Mode] to [On Demand] in the web menu.
    2. Set the ID of the unit in [Camera ID].
    3. Specify the port number for listening to requests from clients in [Listen Port].
    4. Press the [OK] button.

Data output format

Hint

  • Technical details are provided in the “Integration manual for free-d.” Contact a Sony sales representative.

The tracking data that is output by the unit comprises the following data according to the format specified in Type D0/D1 of the free-d protocol.

Type D0 – poll/command

Symbol Content Description
<D0> Message type
<CA> Camera ID
<CD> command Supports the following commands:
  • 00 Stop stream mode
  • 01 Start stream mode
<CK> Checksum

Type D1 – camera position/orientation data

Symbol Content Description
<D1> Message type
<CA> Camera ID
<PH><PM><PL> Camera Pan Angle Pan angle (−170° to +170°)
<TH><TM><TL> Camera Tilt Angle Tilt angle (−30° to +195°)
<RH><RM><TL> Camera Roll Angle Not supported (always 0)
<XH><XM><XL> Camera X-Position Not supported (always 0)
<YH><YM><YL> Camera Y-Position Not supported (always 0)
<HH><HM><HL> Camera Height Not supported (always 0)
<ZH><ZM><ZL> Camera Zoom Focal length
<FH><FM><FL> Camera Focus Focus distance
<SH><SL> Spare/User Defined Iris position
<CK> Checksum

Note

  • Tracking data may be delayed or values may not be updated in the following situations:

    • When outputting RAW video
    • When S&Q Motion is on
    • When displaying the camera menu
    • When displaying the thumbnail screen
    • When playing recorded clips
    • When displaying the web menu
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