1 project('gst-libav', 'c', 'cpp',
3 meson_version : '>= 0.36.0',
4 default_options : [ 'warning_level=1',
5 'buildtype=debugoptimized' ])
7 gst_version = meson.project_version()
8 version_arr = gst_version.split('.')
9 gst_version_major = version_arr[0]
10 gst_version_minor = version_arr[1]
12 libavfilter_dep = dependency('libavfilter', version: '>= 6.47.100')
13 libavformat_dep = dependency('libavformat', version: '>= 57.41.100')
14 libavcodec_dep = dependency('libavcodec', version: '>= 57.48.101')
15 libavutil_dep = dependency('libavutil', version: '>= 55.28.100')
17 libav_deps = [libavfilter_dep, libavformat_dep, libavcodec_dep, libavutil_dep]
19 cc = meson.get_compiler('c')
21 check_ffmpeg_src = '''#include <libavcodec/avcodec.h>
22 #if LIBAVCODEC_VERSION_MICRO >= 100
23 /* FFmpeg uses 100+ as its micro version */
25 #error libav provider should be FFmpeg
28 if not cc.compiles(check_ffmpeg_src, dependencies : libav_deps, name : 'libav is provided by FFmpeg')
29 error('Uncompatible libavcodec found')
32 cdata = configuration_data()
33 cdata.set('LIBAV_SOURCE', '"system install"')
34 cdata.set('PACKAGE_VERSION', '"@0@"'.format(gst_version))
35 cdata.set('PACKAGE', '"gst-libav"')
36 check_headers = [['unistd.h', 'HAVE_UNISTD_H']]
38 foreach h : check_headers
39 if cc.has_header(h.get(0))
40 cdata.set(h.get(1), 1)
44 gst_req = '>= @0@.@1@.0'.format(gst_version_major, gst_version_minor)
45 gst_dep = dependency('gstreamer-1.0', version : gst_req,
46 fallback : ['gstreamer', 'gst_dep'])
47 gstbase_dep = dependency('gstreamer-base-1.0', version : gst_req,
48 fallback : ['gstreamer', 'gst_base_dep'])
50 gstvideo_dep = dependency('gstreamer-video-1.0', version : gst_req,
51 fallback : ['gst-plugins-base', 'video_dep'])
52 gstaudio_dep = dependency('gstreamer-audio-1.0', version : gst_req,
53 fallback : ['gst-plugins-base', 'audio_dep'])
54 gstpbutils_dep = dependency('gstreamer-pbutils-1.0', version : gst_req,
55 fallback : ['gst-plugins-base', 'pbutils_dep'])
56 libm = cc.find_library('m', required : false)
58 configure_file(output : 'config.h', configuration : cdata)
60 gst_libav_args = ['-DHAVE_CONFIG_H']
61 if cc.get_id() != 'msvc'
62 gst_libav_args += ['-Wno-deprecated-declarations']
64 # Ignore several spurious warnings for things gstreamer does very commonly
65 # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
66 # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
67 # NOTE: Only add warnings here if you are sure they're spurious
68 add_project_arguments(
69 '/wd4018', # implicit signed/unsigned conversion
70 '/wd4146', # unary minus on unsigned (beware INT_MIN)
71 '/wd4244', # lossy type conversion (e.g. double -> int)
72 '/wd4305', # truncating type conversion (e.g. double -> float)
76 if gst_dep.type_name() == 'internal'
77 gst_proj = subproject('gstreamer')
79 if gst_proj.get_variable('disable_gst_debug')
80 message('GStreamer debug system is disabled')
81 add_project_arguments('-Wno-unused', language: 'c')
83 message('GStreamer debug system is enabled')
86 # We can't check that in the case of subprojects as we won't
87 # be able to build against an internal dependency (which is not built yet)
88 if not cc.compiles('''
89 #include <gst/gstconfig.h>
90 #ifdef GST_DISABLE_GST_DEBUG
91 #error "debugging disabled, make compiler fail"
92 #endif''' , dependencies: gst_dep)
93 message('GStreamer debug system is disabled')
94 add_project_arguments('-Wno-unused', language: 'c')
96 message('GStreamer debug system is enabled')
100 configinc = include_directories('.')
101 plugins_install_dir = '@0@/gstreamer-1.0'.format(get_option('libdir'))
104 python3 = find_program('python3')
105 run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')