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carlodrihmaarrfk
carlodri
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hmaarrfk
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add libcamera and related recipes (#29477)
* attempt to build libcamera * try newer stdlib version * try newer stdlib version * Update recipes/libcamera/build.sh Co-authored-by: Mark Harfouche <[email protected]> * build on linux_64 only for now * move some deps to host * Update recipes/libcamera/build.sh Co-authored-by: Mark Harfouche <[email protected]> * Update recipes/libcamera/meta.yaml Co-authored-by: Mark Harfouche <[email protected]> * Update recipes/libcamera/meta.yaml Co-authored-by: Mark Harfouche <[email protected]> * Update recipes/libcamera/meta.yaml Co-authored-by: Mark Harfouche <[email protected]> * Update recipes/libcamera/meta.yaml Co-authored-by: Mark Harfouche <[email protected]> * Update recipes/libcamera/build.sh Co-authored-by: Mark Harfouche <[email protected]> * Update recipes/libcamera/meta.yaml Co-authored-by: Mark Harfouche <[email protected]> * Update recipes/libcamera/meta.yaml Co-authored-by: Mark Harfouche <[email protected]> * add memfd patch * fix patch * use LF not CRLF * Update recipes/libcamera/meta.yaml Co-authored-by: Mark Harfouche <[email protected]> * fix license stuff * licenses is a folder.. * try another test * add libcamera-rpi * try fixing download url * remove leftover * add forgotten build script * nothing to test there... * add pidng recipe * fix maintainer name * fix recipe * skip windows for now * fix duplicate buildtype arg * try fixing gstreamer * add patch for unused variables * ignore unused variables for now until raspberrypi/libpisp#43 is merged and libpsp is bumped... * param is cpp_args * try to fix glib errors * remove extra glib * move pidng to separate recipe * first attempt at build variants * maybe this works * try fixing indentation * fix leftover from previous recipe * fix download url of libcamera-rpi * fix name and version of main package * add different build strings * do not fail if MESON_ARGS is unset * remove undefined component in build string * or even better * do I really need to repeat the common deps? * Naturally exclusive variant * try to fix tests * Update recipes/libcamera/meta.yaml Co-authored-by: Mark Harfouche <[email protected]> * fix run requirement for libcamera-rpi * build full python matrix * document some choices Co-authored-by: Mark Harfouche <[email protected]> * add xref with rpi fork conversation * install upstream variant by default * build rpi variant only on aarch64 Co-authored-by: Mark Harfouche <[email protected]> * try testing also libcamerify on rpi * add aarch64 builds --------- Co-authored-by: Mark Harfouche <[email protected]>
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‎recipes/libcamera/build.sh‎

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#!/bin/bash
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set -xeo pipefail
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rm -f subprojects/gtest.wrap
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EXTRA_MESON_ARGS=""
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if [[ ${variant} == "rpi" ]]; then
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EXTRA_MESON_ARGS="${EXTRA_MESON_ARGS} -Dpycamera=enabled"
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EXTRA_MESON_ARGS="${EXTRA_MESON_ARGS} -Dpipelines=rpi/vc4,rpi/pisp"
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EXTRA_MESON_ARGS="${EXTRA_MESON_ARGS} -Dipas=rpi/vc4,rpi/pisp"
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EXTRA_MESON_ARGS="${EXTRA_MESON_ARGS} -Dv4l2=true"
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EXTRA_MESON_ARGS="${EXTRA_MESON_ARGS} -Dgstreamer=enabled"
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EXTRA_MESON_ARGS="${EXTRA_MESON_ARGS} -Dtest=false"
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EXTRA_MESON_ARGS="${EXTRA_MESON_ARGS} -Dlc-compliance=disabled"
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EXTRA_MESON_ARGS="${EXTRA_MESON_ARGS} -Dcam=disabled"
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EXTRA_MESON_ARGS="${EXTRA_MESON_ARGS} -Dqcam=disabled"
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# the latter two are needed to avoid build errors with GCC,
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# see https://github.com/raspberrypi/libpisp/pull/43
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EXTRA_MESON_ARGS="${EXTRA_MESON_ARGS} -Dc_args=-Wno-unused-parameter"
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EXTRA_MESON_ARGS="${EXTRA_MESON_ARGS} -Dcpp_args=-Wno-unused-parameter"
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fi
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meson setup build ${MESON_ARGS} \
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-Ddocumentation=disabled \
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${EXTRA_MESON_ARGS}
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ninja -C build install
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‎recipes/libcamera/conda-forge.yaml‎

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provider:
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linux_aarch64: default
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build_platform:
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linux_aarch64: linux_64
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conda_build:
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pkg_format: '2'
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conda_forge_output_validation: true
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test: native_and_emulated

‎recipes/libcamera/conda_build_config.yaml‎

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variant:
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- upstream
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- rpi_fork

‎recipes/libcamera/memfd_symbols.patch‎

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diff --git a/src/libcamera/base/memfd.cpp b/src/libcamera/base/memfd.cpp
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index ed0b299b..10469a7f 100644
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--- a/src/libcamera/base/memfd.cpp
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+++ b/src/libcamera/base/memfd.cpp
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@@ -12,6 +12,7 @@
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#include <sys/mman.h>
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#include <sys/syscall.h>
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#include <unistd.h>
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+#include <linux/memfd.h>
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#include <libcamera/base/log.h>

‎recipes/libcamera/meta.yaml‎

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{% set libcamera_version = "0.4.0" %}
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{% set libcamera_rpi_version = "0.4.0+rpt20250213" %}
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{% set rpi_url_safe_version = libcamera_rpi_version | urlencode %}
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{% set build = 0 %}
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{% if variant == "upstream" %}
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# install upstream variant by dafault
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{% set build = build + 100 %}
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{% endif %}
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package:
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name: libcamera
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version: {{ libcamera_version }}
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source:
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{% if variant == "upstream" %}
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# libcamera does not offer tar balls
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git_url: https://git.libcamera.org/libcamera/libcamera.git
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git_rev: v{{ libcamera_version }}
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{% elif variant == "rpi_fork" %}
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# In conversations with upstream
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# https://github.com/raspberrypi/libcamera/issues/251
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# We found that they attempt to maintain ABI compatibility
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# Thus we build Raspberry-Pi specific modifications as as a variant instead of a separate package
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url: https://github.com/raspberrypi/libcamera/releases/download/v{{ rpi_url_safe_version }}/libcamera-{{ rpi_url_safe_version }}.tar.xz
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sha256: 764b9b2ab16dbc4e90cd858cd2019be76e087e093bbdd08048d87d0a704f8e28
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{% endif %}
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patches:
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- memfd_symbols.patch
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build:
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number: {{ build }}
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skip: true # [not linux]
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{% if variant == "rpi_fork" %}
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skip: true # [not aarch64]
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{% endif %}
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string: "py{{ CONDA_PY }}_h{{ PKG_HASH }}_{{ PKG_BUILDNUM }}_{{ variant }}"
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requirements:
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build:
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- python # [build_platform != target_platform]
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- cross-python_{{ target_platform }} # [build_platform != target_platform]
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- qt6-main # [build_platform != target_platform]
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- cmake
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- ninja
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- meson
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# Needed for some build processes???
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- ply
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- pyyaml
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- jinja2
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- pkg-config
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- {{ compiler('cxx') }}
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- {{ compiler('c') }}
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- {{ stdlib('c') }}
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host:
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- libgl-devel
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- python
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- pybind11
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- jinja2
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- libudev
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- libudev1
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- gstreamer
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- libevent
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- libdrm
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- libtiff
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- qt6-main
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- libdrm
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- libjpeg-turbo
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- yaml
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- libunwind
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- sdl2
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- openssl
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- libboost-devel
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- pyyaml
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- ply
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run:
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- python
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test:
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commands:
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- test -f $PREFIX/lib/libcamera.so
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- test -f $PREFIX/include/libcamera/libcamera/libcamera.h
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outputs:
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- name: libcamera
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test:
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commands:
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- cam -l
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- name: libcamera-rpi
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build:
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skip: true # [variant == "upstream"]
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string: "py{{ CONDA_PY }}_h{{ PKG_HASH }}_{{ PKG_BUILDNUM }}_{{ variant }}"
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requirements:
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# Add python as build/host dependency to get the full python matrix out of this.
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build:
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- python # [build_platform != target_platform]
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- cross-python_{{ target_platform }} # [build_platform != target_platform]
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host:
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- python
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run:
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- python
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# I wish we could pin exact... but I think with the python build matrix
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# It makes things complicated.
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# - libcamera {{ libcamera_version }} *_{{ PKG_BUILDNUM }}_{{ variant }}
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- {{ pin_subpackage('libcamera', exact=True) }}
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test:
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commands:
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- libcamerify --help
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about:
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home: https://libcamera.org/index.html
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summary: An open source camera stack and framework for Linux, Android, and ChromeOS
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license: >
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LGPL-2.1-or-later
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AND BSD-2-Clause
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AND BSD-3-Clause
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AND MIT
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AND Apache-2.0
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AND CC0-1.0
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AND CC-BY-SA-4.0
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AND CC-BY-4.0
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license_file: LICENSES/
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doc_url: https://libcamera.org/introduction.html
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dev_url: https://git.libcamera.org/libcamera/libcamera.git/
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extra:
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recipe-maintainers:
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- carlodri

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