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package/opencv: add python support

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opencv_python module needs python-numpy because it uses some numpy
headers in this wrapper.

>From its 2.4 release, OpenCV offers python bindings, but they required
most of the OpenCV modules to be enabled.

Since OpenCV-3.0.0, python bindings have been reworked:
- it now supports both python2 and python3
- only built modules supporting wrapped in python will be included in
  the bindings.

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Tested-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Samuel Martin 2015-06-25 21:59:49 +02:00 committed by Thomas Petazzoni
parent 07d3749c25
commit c96fb31aa1
2 changed files with 42 additions and 3 deletions
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12
package/opencv/Config.in
View File

@ -85,7 +85,17 @@ config BR2_PACKAGE_OPENCV_LIB_PHOTO
Include opencv_photo (computational photography) module into the OpenCV
build.
comment "opencv_python module requires numpy which is not yet available."
config BR2_PACKAGE_OPENCV_LIB_PYTHON
bool "python"
depends on BR2_PACKAGE_PYTHON || BR2_PACKAGE_PYTHON3
depends on BR2_aarch64 || BR2_arm || BR2_armeb || BR2_i386 \
|| BR2_mips || BR2_mipsel || BR2_powerpc || BR2_powerpc64 \
|| BR2_sh || BR2_x86_64 # python-numpy
depends on !BR2_TOOLCHAIN_USES_UCLIBC || BR2_i386 || BR2_x86_64 # python-numpy
select BR2_PACKAGE_PYTHON_NUMPY
help
Include opencv_python module into the OpenCV build.
No python example is installed.
config BR2_PACKAGE_OPENCV_LIB_SHAPE
bool "shape"

33
package/opencv/opencv.mk
View File

@ -78,8 +78,6 @@ OPENCV_CONF_OPTS += \
-DBUILD_opencv_ml=$(if $(BR2_PACKAGE_OPENCV_LIB_ML),ON,OFF) \
-DBUILD_opencv_objdetect=$(if $(BR2_PACKAGE_OPENCV_LIB_OBJDETECT),ON,OFF) \
-DBUILD_opencv_photo=$(if $(BR2_PACKAGE_OPENCV_LIB_PHOTO),ON,OFF) \
-DBUILD_opencv_python2=OFF \
-DBUILD_opencv_python3=OFF \
-DBUILD_opencv_shape=$(if $(BR2_PACKAGE_OPENCV_LIB_SHAPE),ON,OFF) \
-DBUILD_opencv_stitching=$(if $(BR2_PACKAGE_OPENCV_LIB_STITCHING),ON,OFF) \
-DBUILD_opencv_superres=$(if $(BR2_PACKAGE_OPENCV_LIB_SUPERRES),ON,OFF) \
@ -282,6 +280,37 @@ else
OPENCV_CONF_OPTS += -DWITH_V4L=OFF -DWITH_LIBV4L=OFF
endif
ifeq ($(BR2_PACKAGE_OPENCV_LIB_PYTHON),y)
ifeq ($(BR2_PACKAGE_PYTHON),y)
OPENCV_CONF_OPTS += \
-DBUILD_opencv_python2=ON \
-DBUILD_opencv_python3=OFF \
-DPYTHON2_EXECUTABLE=$(HOST_DIR)/usr/bin/python2 \
-DPYTHON2_INCLUDE_PATH=$(STAGING_DIR)/usr/include/python$(PYTHON_VERSION_MAJOR) \
-DPYTHON2_LIBRARIES=$(STAGING_DIR)/usr/lib/libpython$(PYTHON_VERSION_MAJOR).so \
-DPYTHON2_NUMPY_INCLUDE_DIRS=$(STAGING_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR)/site-packages/numpy/core/include \
-DPYTHON2_PACKAGES_PATH=/usr/lib/python$(PYTHON_VERSION_MAJOR)/site-packages \
-DPYTHON2_NUMPY_VERSION=$(PYTHON_NUMPY_VERSION)
OPENCV_DEPENDENCIES += python
else
OPENCV_CONF_OPTS += \
-DBUILD_opencv_python2=OFF \
-DBUILD_opencv_python3=ON \
-DPYTHON3_EXECUTABLE=$(HOST_DIR)/usr/bin/python3 \
-DPYTHON3_INCLUDE_PATH=$(STAGING_DIR)/usr/include/python$(PYTHON3_VERSION_MAJOR)m \
-DPYTHON3_LIBRARIES=$(STAGING_DIR)/usr/lib/libpython$(PYTHON3_VERSION_MAJOR)m.so \
-DPYTHON3_NUMPY_INCLUDE_DIRS=$(STAGING_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR)/site-packages/numpy/core/include \
-DPYTHON3_PACKAGES_PATH=/usr/lib/python$(PYTHON3_VERSION_MAJOR)/site-packages \
-DPYTHON3_NUMPY_VERSION=$(PYTHON_NUMPY_VERSION)
OPENCV_DEPENDENCIES += python3
endif
OPENCV_DEPENDENCIES += python-numpy
else
OPENCV_CONF_OPTS += \
-DBUILD_opencv_python2=OFF \
-DBUILD_opencv_python3=OFF
endif
# Installation hooks:
define OPENCV_CLEAN_INSTALL_DOC
$(RM) -fr $(TARGET_DIR)/usr/share/OpenCV/doc