diff options
Diffstat (limited to 'src/gstreamer/meson.build')
| -rw-r--r-- | src/gstreamer/meson.build | 76 |
1 files changed, 53 insertions, 23 deletions
diff --git a/src/gstreamer/meson.build b/src/gstreamer/meson.build index e119e472..6b7e53b5 100644 --- a/src/gstreamer/meson.build +++ b/src/gstreamer/meson.build @@ -1,3 +1,20 @@ +# SPDX-License-Identifier: CC0-1.0 + +glib_dep = dependency('glib-2.0', required : get_option('gstreamer')) + +gst_dep_version = '>=1.14.0' +gstvideo_dep = dependency('gstreamer-video-1.0', version : gst_dep_version, + required : get_option('gstreamer')) +gstallocator_dep = dependency('gstreamer-allocators-1.0', version : gst_dep_version, + required : get_option('gstreamer')) + +if not glib_dep.found() or not gstvideo_dep.found() or not gstallocator_dep.found() + gst_enabled = false + subdir_done() +endif + +gst_enabled = true + libcamera_gst_sources = [ 'gstlibcamera-utils.cpp', 'gstlibcamera.cpp', @@ -8,33 +25,46 @@ libcamera_gst_sources = [ 'gstlibcamerasrc.cpp', ] +# Generate gstreamer control properties + +gen_gst_controls_template = files('gstlibcamera-controls.cpp.in') +libcamera_gst_sources += custom_target('gstlibcamera-controls.cpp', + input : controls_files, + output : 'gstlibcamera-controls.cpp', + command : [gen_gst_controls, '-o', '@OUTPUT@', + '-t', gen_gst_controls_template, '@INPUT@'], + env : py_build_env) + libcamera_gst_cpp_args = [ '-DVERSION="@0@"'.format(libcamera_git_version), '-DPACKAGE="@0@"'.format(meson.project_name()), + '-DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_40', ] -glib_dep = dependency('glib-2.0', required : get_option('gstreamer')) +# The G_DECLARE_FINAL_TYPE macro creates static inline functions that were +# not marked as possibly unused prior to GLib v2.63.0. This causes clang to +# complain about the ones we are not using. Silence the -Wunused-function +# warning in that case. +if cc.get_id() == 'clang' and glib_dep.version().version_compare('<2.63.0') + libcamera_gst_cpp_args += ['-Wno-unused-function'] +endif -gst_dep_version = '>=1.14.0' -gstvideo_dep = dependency('gstreamer-video-1.0', version : gst_dep_version, - required : get_option('gstreamer')) -gstallocator_dep = dependency('gstreamer-allocators-1.0', version : gst_dep_version, - required : get_option('gstreamer')) +libcamera_gst = shared_library('gstlibcamera', + libcamera_gst_sources, + cpp_args : libcamera_gst_cpp_args, + dependencies : [libcamera_public, gstvideo_dep, gstallocator_dep], + install : true, + install_dir : '@0@/gstreamer-1.0'.format(get_option('libdir')), +) -if glib_dep.found() and gstvideo_dep.found() and gstallocator_dep.found() - # The G_DECLARE_FINAL_TYPE macro creates static inline functions that were - # not marked as possibly unused prior to GLib v2.63.0. This causes clang to - # complain about the ones we are not using. Silence the -Wunused-function - # warning in that case. - if cc.get_id() == 'clang' and glib_dep.version().version_compare('<2.63.0') - libcamera_gst_cpp_args += [ '-Wno-unused-function' ] - endif - - libcamera_gst = shared_library('gstlibcamera', - libcamera_gst_sources, - cpp_args : libcamera_gst_cpp_args, - dependencies : [libcamera_dep, gstvideo_dep, gstallocator_dep], - install: true, - install_dir : '@0@/gstreamer-1.0'.format(get_option('libdir')), - ) -endif +# Make the plugin visible to GStreamer inside meson devenv. +fs = import('fs') +gst_plugin_path = fs.parent(libcamera_gst.full_path()) + +gst_env = environment() +gst_env.prepend('GST_PLUGIN_PATH', gst_plugin_path) + +# Avoid polluting the system registry. +gst_env.set('GST_REGISTRY', gst_plugin_path / 'registry.data') + +meson.add_devenv(gst_env) |