[FR] Implement Controls for [Camera Name]

[wjg57]

Camera manufacturer and model (ie. NexiGO N660):

RaspiCam V1.3 NOIR

Unknown controls information (click 'Copy to Clipboard' on the warning and paste here): { "hevc_sequence_parameter_set": { "type": "unknown" }, "hevc_picture_parameter_set": { "type": "unknown" }, "slice_param_array": { "type": "unknown" }, "hevc_scaling_matrix": { "type": "unknown" }, "hevc_decode_parameters": { "type": "unknown" } }

Issue I had hoped that the Camera Control Plugin would allow me to set common parameters, in this specific case the value for the color saturation (-sa paramter to uvc_input).

The NoIR RaspiCam has no IR filter, which is really useful when you use human invisible IR light (LEDS) for illumination, but the lack of filters results in a violet tint of the pictures.

To fix that the saturation parameter of the uvc_input mjpeg_player should be set to -100 (no color saturation at all), resulting in a black and white image.

[The-EG]

duplicate of #106

I had hoped that the Camera Control Plugin would allow me to set common parameters, in this specific case the value for the color saturation (-sa paramter to uvc_input).

This plugin allows setting the controls that are exposed through the V4L apis. You can see what your camera supports by looking at the output of v4l2-ctl --list-ctrls-menus.