- Added 'gain' property to gstidsueyesrc element (0-100, 0=auto)
- Implemented hardware gain control using is_SetHardwareGain() API
- Added --gain/-g command-line argument to launch-ids.py
- Added SET_GAIN and GET_GAIN UDP control commands
- Updated STATUS command to include gain value
- Added get-gain and set-gain commands to camera_control.py test client
- Gain can be set at startup or adjusted dynamically during runtime
- Added --display option for 1/4 sized preview window using autovideosink
- Added --camera-id and --device-id options for camera selection
- Added UDP control commands: SET_CAMERA_ID, GET_CAMERA_ID, SET_DEVICE_ID, GET_DEVICE_ID
- Updated GStreamer idsueyesrc element to support device-id property
- device-id uses IS_USE_DEVICE_ID flag for system enumeration
- camera-id continues to use user-definable ID (0 for first found)
- Updated STATUS command to include camera_id and device_id
