opencv: superres - Fix return value VideoFrameSource_GPU

superres module fails to compile with the following error messages:

[100%] Building CXX object
modules/superres/CMakeFiles/opencv_superres.dir/src/super_resolution.cpp.o
/opencv-2.4.10/modules/superres/src/frame_source.cpp: In function
'cv::Ptr<cv::superres::FrameSource>
cv::superres::createFrameSource_Video_GPU(const string&)':
/opencv-2.4.10/modules/superres/src/frame_source.cpp:263:16: error:
expected type-specifier before 'VideoFrameSource'
/opencv-2.4.10/modules/superres/src/frame_source.cpp:263:16: error:
could not convert '(int*)operator new(4ul)' from 'int*' to
'cv::Ptr<cv::superres::FrameSource>'
/opencv-2.4.10/modules/superres/src/frame_source.cpp:263:16: error:
expected ';' before 'VideoFrameSource'
/opencv-2.4.10/modules/superres/src/frame_source.cpp:263:41: error:
'VideoFrameSource' was not declared in this scope
/opencv-2.4.10/modules/superres/src/frame_source.cpp:264:1: error:
control reaches end of non-void function [-Werror=return-type]
cc1plus: some warnings being treated as errors
make[3]: ***
[modules/superres/CMakeFiles/opencv_superres.dir/src/frame_source.cpp.o]
Error 1
make[3]: *** Waiting for unfinished jobs....

This is caused because the return value of the
createFrameSource_Video_GPU function should be a VideoFrameSource_GPU
object.

Backporting an upstream patch to fix this problem in Buildroot:
  https://github.com/Itseez/opencv/commit/2e393ab83362743ba1825ad4b31d4a2925c606b4

Fixes:
  http://autobuild.buildroot.net/results/b09/b0996267197a9016d29d6070804ebc0cb7853548/

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/package/opencv/0002-superres-Fix-return-type-value-VideoFrameSource_GPU.patch b/package/opencv/0002-superres-Fix-return-type-value-VideoFrameSource_GPU.patch
new file mode 100644
index 000000000..d71235d42
--- /dev/null
+++ b/package/opencv/0002-superres-Fix-return-type-value-VideoFrameSource_GPU.patch
@@ -0,0 +1,40 @@
+superres: Fix return value VideoFrameSource_GPU
+
+Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
+
+From 2e393ab83362743ba1825ad4b31d4a2925c606b4 Mon Sep 17 00:00:00 2001
+From: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
+Date: Mon, 27 Oct 2014 13:39:35 +0000
+Subject: [PATCH] superres: Fix return value VideoFrameSource_GPU
+
+superres module fails to compile with the following error messages:
+
+[100%] Building CXX object modules/superres/CMakeFiles/opencv_superres.dir/src/super_resolution.cpp.o
+/opencv-2.4.10/modules/superres/src/frame_source.cpp: In function 'cv::Ptr<cv::superres::FrameSource> cv::superres::createFrameSource_Video_GPU(const string&)':
+/opencv-2.4.10/modules/superres/src/frame_source.cpp:263:16: error: expected type-specifier before 'VideoFrameSource'
+/opencv-2.4.10/modules/superres/src/frame_source.cpp:263:16: error: could not convert '(int*)operator new(4ul)' from 'int*' to 'cv::Ptr<cv::superres::FrameSource>'
+/opencv-2.4.10/modules/superres/src/frame_source.cpp:263:16: error: expected ';' before 'VideoFrameSource'
+/opencv-2.4.10/modules/superres/src/frame_source.cpp:263:41: error: 'VideoFrameSource' was not declared in this scope
+/opencv-2.4.10/modules/superres/src/frame_source.cpp:264:1: error: control reaches end of non-void function [-Werror=return-type]
+cc1plus: some warnings being treated as errors
+make[3]: *** [modules/superres/CMakeFiles/opencv_superres.dir/src/frame_source.cpp.o] Error 1
+make[3]: *** Waiting for unfinished jobs....
+
+This is caused because the return value of the createFrameSource_Video_GPU function should be a VideoFrameSource_GPU object.
+---
+ modules/superres/src/frame_source.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/modules/superres/src/frame_source.cpp b/modules/superres/src/frame_source.cpp
+index 5f59a98..c5b2e76 100644
+--- a/modules/superres/src/frame_source.cpp
++++ b/modules/superres/src/frame_source.cpp
+@@ -260,7 +260,7 @@ namespace
+ 
+ Ptr<FrameSource> cv::superres::createFrameSource_Video_GPU(const string& fileName)
+ {
+-    return new VideoFrameSource(fileName);
++    return new VideoFrameSource_GPU(fileName);
+ }
+ 
+ #endif // HAVE_OPENCV_GPU