qcam: viewfinder: Add MappedBuffer to store memory mapping information

The new MappedBuffer structure replaces the std::pair<> used in the
mapped buffers map, and allows passing data to the ViewFinder::display()
function in a more structured way.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/src/qcam/viewfinder.h b/src/qcam/viewfinder.h
index a019c3a4..735a6b67 100644
--- a/src/qcam/viewfinder.h
+++ b/src/qcam/viewfinder.h
@@ -7,16 +7,24 @@
 #ifndef __QCAM_VIEWFINDER_H__
 #define __QCAM_VIEWFINDER_H__
 
+#include <stddef.h>
+
 #include <QMutex>
 #include <QSize>
 #include <QWidget>
 
+#include <libcamera/buffer.h>
 #include <libcamera/pixelformats.h>
 
 #include "format_converter.h"
 
 class QImage;
 
+struct MappedBuffer {
+	void *memory;
+	size_t size;
+};
+
 class ViewFinder : public QWidget
 {
 public:
@@ -24,7 +32,7 @@ public:
 	~ViewFinder();
 
 	int setFormat(const libcamera::PixelFormat &format, const QSize &size);
-	void display(const unsigned char *rgb, size_t size);
+	void display(const libcamera::FrameBuffer *buffer, MappedBuffer *map);
 
 	QImage getCurrentImage();