libcamera: re-introduce fix for gcc-13

Signed-off-by: Markus Volk <f_L_K@t-online.de>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

2 files changed, 48 insertions, 1 deletions

diff --git a/meta-multimedia/recipes-multimedia/libcamera/libcamera/0001-file_sink.cpp-Avoid-dangling-reference.patch b/meta-multimedia/recipes-multimedia/libcamera/libcamera/0001-file_sink.cpp-Avoid-dangling-reference.patch
new file mode 100644
index 000000000..55a5977a7
--- /dev/null
+++ b/meta-multimedia/recipes-multimedia/libcamera/libcamera/0001-file_sink.cpp-Avoid-dangling-reference.patch
@@ -0,0 +1,44 @@
+From 2eaffc9ac8b47c354404075761fe8f76fad0ced4 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Tue, 24 Jan 2023 01:18:25 -0800
+Subject: [PATCH] file_sink.cpp: Avoid dangling-reference
+
+Fixes following errors with gcc-13
+
+../git/src/cam/file_sink.cpp:92:45: error: possibly dangling reference to a temporary [-Werror=dangling-reference]
+   92 |                 const FrameMetadata::Plane &meta = buffer->metadata().planes()[i];
+      |                                             ^~~~
+../git/src/cam/file_sink.cpp:92:81: note: the temporary was destroyed at the end of the full expression '(& buffer->libcamera::FrameBuffer::metadata())->libcamera::FrameMetadata::planes().libcamera::Span<const libcamera::FrameMetadata::Plane>::operator[](i)'
+   92 |                 const FrameMetadata::Plane &meta = buffer->metadata().planes()[i];
+      |                                                                                 ^
+cc1plus: all warnings being treated as errors
+
+Upstream-Status: Submitted [https://lists.libcamera.org/pipermail/libcamera-devel/2023-January/036575.html]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+
+---
+ src/apps/cam/file_sink.cpp | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/src/apps/cam/file_sink.cpp b/src/apps/cam/file_sink.cpp
+index b32aad24..9f4c5648 100644
+--- a/src/apps/cam/file_sink.cpp
++++ b/src/apps/cam/file_sink.cpp
+@@ -114,13 +114,13 @@ void FileSink::writeBuffer(const Stream *stream, FrameBuffer *buffer,
+        }
+ 
+        for (unsigned int i = 0; i < buffer->planes().size(); ++i) {
+-               const FrameMetadata::Plane &meta = buffer->metadata().planes()[i];
++               unsigned int bytesused = buffer->metadata().planes()[i].bytesused;
+ 
+                Span<uint8_t> data = image->data(i);
+-               unsigned int length = std::min<unsigned int>(meta.bytesused, data.size());
++               unsigned int length = std::min<unsigned int>(bytesused, data.size());
+ 
+-               if (meta.bytesused > data.size())
+-                       std::cerr << "payload size " << meta.bytesused
++               if (bytesused > data.size())
++                       std::cerr << "payload size " << bytesused
+                                  << " larger than plane size " << data.size()
+                                  << std::endl;
+ 
diff --git a/meta-multimedia/recipes-multimedia/libcamera/libcamera_0.0.4.bb b/meta-multimedia/recipes-multimedia/libcamera/libcamera_0.0.4.bb
index cbcc33aa4..12d42991e 100644
--- a/meta-multimedia/recipes-multimedia/libcamera/libcamera_0.0.4.bb
+++ b/meta-multimedia/recipes-multimedia/libcamera/libcamera_0.0.4.bb
@@ -8,7 +8,10 @@ LIC_FILES_CHKSUM = "\
     file://LICENSES/LGPL-2.1-or-later.txt;md5=2a4f4fd2128ea2f65047ee63fbca9f68 \
 "
 
-SRC_URI = "git://git.libcamera.org/libcamera/libcamera.git;protocol=https;branch=master"
+SRC_URI = " \
+        git://git.libcamera.org/libcamera/libcamera.git;protocol=https;branch=master \
+        file://0001-file_sink.cpp-Avoid-dangling-reference.patch \
+"
 
 SRCREV = "6cf637eb253a68edebe59505bea55435fafb00cd"