From 07156a2713609e7f4b53e240167c7e460b244a71 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niklas=20S=C3=B6derlund?= <niklas.soderlund@ragnatech.se>
Date: Tue, 17 Dec 2019 01:27:11 +0100
Subject: qcam: Cache buffer memory mapping
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With the buffer allocator in use it's possible to cache the dmabuf
memory mappings when starting the camera instead of mapping and
unmapping them each time.

Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 src/qcam/main_window.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/qcam/main_window.h')

diff --git a/src/qcam/main_window.h b/src/qcam/main_window.h
index 05cde4ce..04fb9e3e 100644
--- a/src/qcam/main_window.h
+++ b/src/qcam/main_window.h
@@ -71,6 +71,7 @@ private:
 	uint32_t framesCaptured_;
 
 	ViewFinder *viewfinder_;
+	std::map<int, std::pair<void *, unsigned int>> mappedBuffers_;
 };
 
 #endif /* __QCAM_MAIN_WINDOW__ */
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