qcam: Replace MappedBuffer with Span<uint8_t>

The MappedBuffer structure is a custom container that binds a data
pointer with a length. This is exactly what Span is. Use it instead.

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

1 files changed, 3 insertions, 6 deletions

diff --git a/src/qcam/viewfinder.h b/src/qcam/viewfinder.h
index 46747c22..42d40f1f 100644
--- a/src/qcam/viewfinder.h
+++ b/src/qcam/viewfinder.h
@@ -11,14 +11,11 @@
 #include <QList>
 #include <QSize>
 
+#include <libcamera/base/span.h>
+
 #include <libcamera/formats.h>
 #include <libcamera/framebuffer.h>
 
-struct MappedBuffer {
-	void *memory;
-	size_t size;
-};
-
 class ViewFinder
 {
 public:
@@ -27,7 +24,7 @@ public:
 	virtual const QList<libcamera::PixelFormat> &nativeFormats() const = 0;
 
 	virtual int setFormat(const libcamera::PixelFormat &format, const QSize &size) = 0;
-	virtual void render(libcamera::FrameBuffer *buffer, MappedBuffer *map) = 0;
+	virtual void render(libcamera::FrameBuffer *buffer, libcamera::Span<uint8_t> mem) = 0;
 	virtual void stop() = 0;
 
 	virtual QImage getCurrentImage() = 0;