project('gst-libav', 'c', 'cpp', version : '1.11.1.1', meson_version : '>= 0.36.0', default_options : [ 'warning_level=1', 'buildtype=debugoptimized' ]) gst_version = meson.project_version() version_arr = gst_version.split('.') gst_version_major = version_arr[0] gst_version_minor = version_arr[1] libavfilter_dep = dependency('libavfilter', version: '>= 6.47.100') libavformat_dep = dependency('libavformat', version: '>= 57.41.100') libavcodec_dep = dependency('libavcodec', version: '>= 57.48.101') libavutil_dep = dependency('libavutil', version: '>= 55.28.100') libav_deps = [libavfilter_dep, libavformat_dep, libavcodec_dep, libavutil_dep] cc = meson.get_compiler('c') check_ffmpeg_src = '''#include #if LIBAVCODEC_VERSION_MICRO >= 100 /* FFmpeg uses 100+ as its micro version */ #else #error libav provider should be FFmpeg #endif''' if not cc.compiles(check_ffmpeg_src, dependencies : libav_deps, name : 'libav is provided by FFmpeg') error('Uncompatible libavcodec found') endif cdata = configuration_data() cdata.set('LIBAV_SOURCE', '"system install"') cdata.set('PACKAGE_VERSION', '"@0@"'.format(gst_version)) cdata.set('PACKAGE', '"gst-libav"') check_headers = [['unistd.h', 'HAVE_UNISTD_H']] foreach h : check_headers if cc.has_header(h.get(0)) cdata.set(h.get(1), 1) endif endforeach gst_req = '>= @0@.@1@.0'.format(gst_version_major, gst_version_minor) gst_dep = dependency('gstreamer-1.0', version : gst_req, fallback : ['gstreamer', 'gst_dep']) gstbase_dep = dependency('gstreamer-base-1.0', version : gst_req, fallback : ['gstreamer', 'gst_base_dep']) gstvideo_dep = dependency('gstreamer-video-1.0', version : gst_req, fallback : ['gst-plugins-base', 'video_dep']) gstaudio_dep = dependency('gstreamer-audio-1.0', version : gst_req, fallback : ['gst-plugins-base', 'audio_dep']) gstpbutils_dep = dependency('gstreamer-pbutils-1.0', version : gst_req, fallback : ['gst-plugins-base', 'pbutils_dep']) libm = cc.find_library('m', required : false) configure_file(output : 'config.h', configuration : cdata) gst_libav_args = ['-DHAVE_CONFIG_H'] if cc.get_id() != 'msvc' gst_libav_args += ['-Wno-deprecated-declarations'] else # Ignore several spurious warnings for things gstreamer does very commonly # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once # NOTE: Only add warnings here if you are sure they're spurious add_project_arguments( '/wd4018', # implicit signed/unsigned conversion '/wd4146', # unary minus on unsigned (beware INT_MIN) '/wd4244', # lossy type conversion (e.g. double -> int) '/wd4305', # truncating type conversion (e.g. double -> float) language : 'c') endif if gst_dep.type_name() == 'internal' gst_proj = subproject('gstreamer') if gst_proj.get_variable('disable_gst_debug') message('GStreamer debug system is disabled') add_project_arguments('-Wno-unused', language: 'c') else message('GStreamer debug system is enabled') endif else # We can't check that in the case of subprojects as we won't # be able to build against an internal dependency (which is not built yet) if not cc.compiles(''' #include #ifdef GST_DISABLE_GST_DEBUG #error "debugging disabled, make compiler fail" #endif''' , dependencies: gst_dep) message('GStreamer debug system is disabled') add_project_arguments('-Wno-unused', language: 'c') else message('GStreamer debug system is enabled') endif endif configinc = include_directories('.') plugins_install_dir = '@0@/gstreamer-1.0'.format(get_option('libdir')) subdir('ext/libav/') python3 = find_program('python3') run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')