qcam: Pass color space to ViewFinder::setFormat()

To prepare for color space support in the viewfinder, pass the color
space to the setFormat() function.

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

src/qcam/main_window.cpp

@@ -447,9 +447,13 @@ int MainWindow::startCapture()
 	else
 		rawStream_ = nullptr;
 
-	/* Configure the viewfinder. */
+	/*
+	 * Configure the viewfinder. If no color space is reported, default to
+	 * sYCC.
+	 */
 	ret = viewfinder_->setFormat(vfConfig.pixelFormat,
 				     QSize(vfConfig.size.width, vfConfig.size.height),
+				     vfConfig.colorSpace.value_or(ColorSpace::Sycc),
 				     vfConfig.stride);
 	if (ret < 0) {
 		qInfo() << "Failed to set viewfinder format";

src/qcam/viewfinder.h

@@ -11,6 +11,7 @@
 #include <QList>
 #include <QSize>
 
+#include <libcamera/color_space.h>
 #include <libcamera/formats.h>
 #include <libcamera/framebuffer.h>
 
@@ -24,6 +25,7 @@ public:
 	virtual const QList<libcamera::PixelFormat> &nativeFormats() const = 0;
 
 	virtual int setFormat(const libcamera::PixelFormat &format, const QSize &size,
+			      const libcamera::ColorSpace &colorSpace,
 			      unsigned int stride) = 0;
 	virtual void render(libcamera::FrameBuffer *buffer, Image *image) = 0;
 	virtual void stop() = 0;

src/qcam/viewfinder_gl.cpp

@@ -71,8 +71,9 @@ const QList<libcamera::PixelFormat> &ViewFinderGL::nativeFormats() const
 	return supportedFormats;
 }
 
-int ViewFinderGL::setFormat(const libcamera::PixelFormat &format,
-			    const QSize &size, unsigned int stride)
+int ViewFinderGL::setFormat(const libcamera::PixelFormat &format, const QSize &size,
+			    [[maybe_unused]] const libcamera::ColorSpace &colorSpace,
+			    unsigned int stride)
 {
 	if (format != format_) {
 		/*

src/qcam/viewfinder_gl.h

@@ -39,6 +39,7 @@ public:
 	const QList<libcamera::PixelFormat> &nativeFormats() const override;
 
 	int setFormat(const libcamera::PixelFormat &format, const QSize &size,
+		      const libcamera::ColorSpace &colorSpace,
 		      unsigned int stride) override;
 	void render(libcamera::FrameBuffer *buffer, Image *image) override;
 	void stop() override;

src/qcam/viewfinder_qt.cpp

@@ -54,8 +54,9 @@ const QList<libcamera::PixelFormat> &ViewFinderQt::nativeFormats() const
 	return formats;
 }
 
-int ViewFinderQt::setFormat(const libcamera::PixelFormat &format,
-			    const QSize &size, unsigned int stride)
+int ViewFinderQt::setFormat(const libcamera::PixelFormat &format, const QSize &size,
+			    [[maybe_unused]] const libcamera::ColorSpace &colorSpace,
+			    unsigned int stride)
 {
 	image_ = QImage();
 

src/qcam/viewfinder_qt.h

@@ -32,6 +32,7 @@ public:
 	const QList<libcamera::PixelFormat> &nativeFormats() const override;
 
 	int setFormat(const libcamera::PixelFormat &format, const QSize &size,
+		      const libcamera::ColorSpace &colorSpace,
 		      unsigned int stride) override;
 	void render(libcamera::FrameBuffer *buffer, Image *image) override;
 	void stop() override;