From a62a886a7d7f41bfb688c6d7f8602bddcda139bb Mon Sep 17 00:00:00 2001
From: Hirokazu Honda <hiroh@chromium.org>
Date: Thu, 10 Jun 2021 16:50:24 +0900
Subject: libcamera: v4l2_videodevice: Use fd for a file descriptor

Manages file descriptors owned by V4L2VideoDevice by UniqueFD.
This also changes the return type of exportDmabufFd to UniqueFD
from FileDescriptor in order to represent a caller owns the
returned file file descriptor.

Signed-off-by: Hirokazu Honda <hiroh@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
---
 include/libcamera/internal/v4l2_videodevice.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'include')

diff --git a/include/libcamera/internal/v4l2_videodevice.h b/include/libcamera/internal/v4l2_videodevice.h
index 4a44b7fd..80b66577 100644
--- a/include/libcamera/internal/v4l2_videodevice.h
+++ b/include/libcamera/internal/v4l2_videodevice.h
@@ -19,6 +19,7 @@
 #include <libcamera/base/class.h>
 #include <libcamera/base/log.h>
 #include <libcamera/base/signal.h>
+#include <libcamera/base/unique_fd.h>
 
 #include <libcamera/framebuffer.h>
 #include <libcamera/geometry.h>
@@ -31,7 +32,6 @@
 namespace libcamera {
 
 class EventNotifier;
-class FileDescriptor;
 class MediaDevice;
 class MediaEntity;
 
@@ -238,7 +238,7 @@ private:
 	int createBuffers(unsigned int count,
 			  std::vector<std::unique_ptr<FrameBuffer>> *buffers);
 	std::unique_ptr<FrameBuffer> createBuffer(unsigned int index);
-	FileDescriptor exportDmabufFd(unsigned int index, unsigned int plane);
+	UniqueFD exportDmabufFd(unsigned int index, unsigned int plane);
 
 	void bufferAvailable();
 	FrameBuffer *dequeueBuffer();
-- 
cgit v1.2.1