qcam: viewfinder: Move multi-planar check into viewfinder

The lack of support for multiplanar buffers comes from the viewfinder.
Move the corresponding check from MainWindow.

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

1 files changed, 6 insertions, 0 deletions

diff --git a/src/qcam/viewfinder.cpp b/src/qcam/viewfinder.cpp
index d00edc33..b8feabd5 100644
--- a/src/qcam/viewfinder.cpp
+++ b/src/qcam/viewfinder.cpp
@@ -11,6 +11,7 @@
 #include <QImageWriter>
 #include <QMutexLocker>
 #include <QPainter>
+#include <QtDebug>
 
 #include "format_converter.h"
 
@@ -27,6 +28,11 @@ ViewFinder::~ViewFinder()
 void ViewFinder::display(const libcamera::FrameBuffer *buffer,
 			 MappedBuffer *map)
 {
+	if (buffer->planes().size() != 1) {
+		qWarning() << "Multi-planar buffers are not supported";
+		return;
+	}
+
 	QMutexLocker locker(&mutex_);
 
 	/*