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libcamera: add libcamera OpenWrt package
libcamera is an open source camera stack used for many platforms with a core userspace library, and support from the Linux kernel APIs
This commit is contained in:
Morse Micro
Arien Judge
parent
27248caa8f
commit
cf94d3c47b
121
multimedia/libcamera/Makefile
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121
multimedia/libcamera/Makefile
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include $(TOPDIR)/rules.mk
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PKG_NAME:=libcamera
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PKG_RELEASE:=$(COMMITCOUNT)
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PKG_SOURCE_PROTO:=git
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PKG_SOURCE_URL:=https://git.libcamera.org/libcamera/libcamera.git
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PKG_SOURCE_VERSION:=v0.1.0
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PKG_MIRROR_HASH:=de6511b2e494d54fb4432eeb3d4d1644133b5c14305aeb1f97e8e1d67d043611
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PKG_VERSION:=$(PKG_SOURCE_VERSION)
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PKG_LICENSE:=LGPL-2.1-or-later
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PKG_LICENSE_FILES:=COPYING.rst
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# This will add the right location to the build to find NLS things (like libintl).
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# Without this, if BUILD_NLS is on meson will detect that -lintl should be there
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# but not have its correct path.
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include $(INCLUDE_DIR)/nls.mk
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PKG_BUILD_DEPENDS:=python3/host python-ply/host
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# We include the Python mk files so we can install the host dependencies, but we're
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# not building a Python package here.
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PYTHON3_PKG_BUILD:=0
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HOST_PYTHON3_PACKAGE_BUILD_DEPENDS:=./pyyaml.txt ./jinja2.txt
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include $(TOPDIR)/feeds/packages/lang/python/pypi.mk
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include $(INCLUDE_DIR)/host-build.mk
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include $(INCLUDE_DIR)/package.mk
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include $(INCLUDE_DIR)/meson.mk
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include $(TOPDIR)/feeds/packages/lang/python/python3-package.mk
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# If we strip the libraries, libcamera can't seem to correctly dynamically load
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# the ipa files for specific devices. Not sure how to solve this, and since
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# we're only running this on RPI4s for the moment I'm ok with not stripping.
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RSTRIP:=:
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STRIP:=:
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# Most of these are set to auto, which leads to frustratingly random behaviour
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# if things exist in the root filesystem already (and then OpenWrt complains
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# that we used a dependency we didn't link against). We could work around this
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# by detecting the dependencies below and changing DEPENDS, but for more
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# predictability let's be explicit about what we want.
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MESON_ARGS += \
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-Ddocumentation=disabled \
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-Dgstreamer=disabled \
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-Dlc-compliance=disabled \
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-Dqcam=disabled \
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-Dtracing=disabled \
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-Dudev=disabled \
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-Dcam=$(if $(CONFIG_PACKAGE_libcamera-utils),enabled,disabled)
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define Package/libcamera
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SECTION:=libs
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CATEGORY:=Libraries
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TITLE:=A complex camera support library
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URL:=https://libcamera.org
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# libcamera's meson config has the frustrating habit of enabling things if it can find the library.
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# Conversely, OpenWrt checks that any linking is to a valid dependency.
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# However, if there's a dirty build, these things will be found anyway,
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# causing breakage.
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# Theoretically, libdw/libunwind are also optional, but:
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# - even on clean builds, it seems like libdw's package (elfutils) can sometimes be built,
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# and unfortunately the InstallDev part of elfutils installs all its libraries into staging
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# (i.e. if you select libasm, you get the libdw library in your staging directory)
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# - libunwind has some complex dependency information that ends up causing a recursive
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# dependency in camera-onvif-server
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DEPENDS:=+libstdcpp +libyaml +libdw +libunwind $(INTL_DEPENDS) +PACKAGE_libopenssl:libopenssl +PACKAGE_libgnutls:libgnutls
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endef
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define Package/libcamera/description
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libcamera is an open source camera stack for many platforms with a core userspace library, and support from the Linux kernel APIs and drivers already in place. It aims to control the complexity of embedded camera hardware by providing an intuitive API and method of separating untrusted vendor code from the open source core.
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If you want to have IPA module signing, which will speed things up, you must enable either libopenssl or libgnutls.
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If you include libgnutls/libopenssl then turn them off, dirty builds may fail (due to detecting the old
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libgnutls still installed in staging location).
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endef
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define Package/libcamera-utils
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SECTION:=utils
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CATEGORY:=Utilities
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TITLE:=Utilities for libcamera
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URL:=https://libcamera.org
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DEPENDS:=+libcamera +libevent2 +libevent2-pthreads
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endef
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define Package/libcamera-utils/description
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Utilities that come along with libcamera. Currently this is only the 'cam' utility.
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endef
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define Build/Configure
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# Because we're not actually a Python package, we need to manually call
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# the build depends before the Meson configure runs.
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$(call Py3Build/InstallBuildDepends)
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$(call Build/Configure/Meson)
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endef
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define Build/InstallDev
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$(INSTALL_DIR) $(1)/usr/include/libcamera
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$(CP) $(PKG_INSTALL_DIR)/usr/include/libcamera/* $(1)/usr/include/libcamera
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$(INSTALL_DIR) $(1)/usr/lib
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$(CP) $(PKG_INSTALL_DIR)/usr/lib/* $(1)/usr/lib
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endef
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define Package/libcamera/install
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$(INSTALL_DIR) $(1)/usr/lib
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$(CP) $(PKG_INSTALL_DIR)/usr/lib/libcamera*.so* $(1)/usr/lib
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$(INSTALL_DIR) $(1)/usr/lib/libcamera
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$(CP) $(PKG_INSTALL_DIR)/usr/lib/libcamera/*.so* $(1)/usr/lib/libcamera
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$(INSTALL_DIR) $(1)/usr/share/libcamera
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$(CP) $(PKG_INSTALL_DIR)/usr/share/libcamera/* $(1)/usr/share/libcamera
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endef
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define Package/libcamera-utils/install
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$(INSTALL_DIR) $(1)/usr/bin
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$(CP) $(PKG_INSTALL_DIR)/usr/bin/cam $(1)/usr/bin
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endef
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$(eval $(call HostBuild))
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$(eval $(call BuildPackage,libcamera))
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$(eval $(call BuildPackage,libcamera-utils))
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2
multimedia/libcamera/jinja2.txt
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2
multimedia/libcamera/jinja2.txt
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jinja2==3.1.2 --hash=sha256:31351a702a408a9e7595a8fc6150fc3f43bb6bf7e319770cbc0db9df9437e852
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markupsafe==2.1.3 --hash=sha256:af598ed32d6ae86f1b747b82783958b1a4ab8f617b06fe68795c7f026abbdcad
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25
multimedia/libcamera/patches/0001-system-python.patch
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25
multimedia/libcamera/patches/0001-system-python.patch
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The meson check for the modules that we install fails due to using host/bin/python3
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instead of hostpkg/bin/python3. However, when the build actually calls python,
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it uses hostpkg. I tried to solve this by pointing find_installation at the hostpkg
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version explicitly (i.e. find_installation(get_option('python')...)) after
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adding the appropriate option, and it reported that it was using this Python
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then still use the other Python for the library detection.
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In short, for now, let's just remove the check. If this is incorrect,
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the build will fail.
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diff --git a/meson.build b/meson.build
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index 031e1eda..fffa702f 100644
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--- a/meson.build
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+++ b/meson.build
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@@ -253,10 +253,6 @@ run_command('ln', '-fsT', meson.project_source_root(), meson.project_build_root(
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configure_file(output : 'config.h', configuration : config_h)
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-# Check for python installation and modules.
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-py_mod = import('python')
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-py_mod.find_installation('python3', modules : py_modules)
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-
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## Summarise Configurations
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summary({
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'Enabled pipelines': pipelines,
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1
multimedia/libcamera/pyyaml.txt
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1
multimedia/libcamera/pyyaml.txt
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pyyaml==6.0.1 --hash=sha256:bfdf460b1736c775f2ba9f6a92bca30bc2095067b8a9d77876d1fad6cc3b4a43
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