cam: Add color space support

Add support for color space to the StreamKeyValueParser, allowing
selection of a color space on the command line.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>

src/cam/stream_options.cpp

@@ -8,6 +8,8 @@
 
 #include <iostream>
 
+#include <libcamera/color_space.h>
+
 using namespace libcamera;
 
 StreamKeyValueParser::StreamKeyValueParser()
@@ -21,6 +23,8 @@ StreamKeyValueParser::StreamKeyValueParser()
 		  ArgumentRequired);
 	addOption("pixelformat", OptionString, "Pixel format name",
 		  ArgumentRequired);
+	addOption("colorspace", OptionString, "Color space",
+		  ArgumentRequired);
 }
 
 KeyValueParser::Options StreamKeyValueParser::parse(const char *arguments)
@@ -96,6 +100,9 @@ int StreamKeyValueParser::updateConfiguration(CameraConfiguration *config,
 
 		if (opts.isSet("pixelformat"))
 			cfg.pixelFormat = PixelFormat::fromString(opts["pixelformat"].toString());
+
+		if (opts.isSet("colorspace"))
+			cfg.colorSpace = ColorSpace::fromString(opts["colorspace"].toString());
 	}
 
 	return 0;