opencv: add jasper support

[Thomas: adjust Config.in help text as suggested by Yann E. Morin.]

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/opencv/Config.in

@@ -161,6 +161,16 @@ config BR2_PACKAGE_OPENCV_WITH_GTK
 	depends on BR2_USE_MMU # libgtk2 -> glib2
 	select BR2_PACKAGE_LIBGTK2
 
+config BR2_PACKAGE_OPENCV_WITH_JASPER
+	bool "jpeg2000 support"
+	select BR2_PACKAGE_JASPER
+	help
+	  Enable jpeg2000 support.
+
+	  Note: this does not use the libjasper bundled with opencv,
+	  but uses the libjasper package installed system-wide by
+	  Buildroot.
+
 config BR2_PACKAGE_OPENCV_WITH_JPEG
 	bool "jpeg support"
 	select BR2_PACKAGE_JPEG

package/opencv/opencv.mk

@@ -184,6 +184,13 @@ else
 OPENCV_CONF_OPT += -DWITH_GTK=OFF
 endif
 
+ifeq ($(BR2_PACKAGE_OPENCV_WITH_JASPER),y)
+OPENCV_CONF_OPT += -DWITH_JASPER=ON
+OPENCV_DEPENDENCIES += jasper
+else
+OPENCV_CONF_OPT += -DWITH_JASPER=OFF
+endif
+
 ifeq ($(BR2_PACKAGE_OPENCV_WITH_JPEG),y)
 OPENCV_CONF_OPT += -DWITH_JPEG=ON
 OPENCV_DEPENDENCIES += jpeg