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, 2 insertions, 2 deletions

diff --git a/src/qcam/main_window.h b/src/qcam/main_window.h
index c662a2ef..71206bc9 100644
--- a/src/qcam/main_window.h
+++ b/src/qcam/main_window.h
@@ -24,11 +24,11 @@
 #include <libcamera/stream.h>
 
 #include "../cam/options.h"
+#include "viewfinder.h"
 
 using namespace libcamera;
 
 class QAction;
-class ViewFinder;
 
 enum {
 	OptCamera = 'c',
@@ -89,7 +89,7 @@ private:
 	FrameBufferAllocator *allocator_;
 
 	std::unique_ptr<CameraConfiguration> config_;
-	std::map<int, std::pair<void *, unsigned int>> mappedBuffers_;
+	std::map<FrameBuffer *, MappedBuffer> mappedBuffers_;
 
 	/* Capture state, buffers queue and statistics */
 	bool isCapturing_;