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]
11 gst_version_micro = version_arr[2]
12 gst_version_nano = version_arr.get(3, 0)
14 libavfilter_dep = dependency('libavfilter', version: '>= 6.47.100')
15 libavformat_dep = dependency('libavformat', version: '>= 57.41.100')
16 libavcodec_dep = dependency('libavcodec', version: '>= 57.48.101')
17 libavutil_dep = dependency('libavutil', version: '>= 55.28.100')
19 libav_deps = [libavfilter_dep, libavformat_dep, libavcodec_dep, libavutil_dep]
21 cc = meson.get_compiler('c')
23 check_ffmpeg_src = '''#include <libavcodec/avcodec.h>
24 #if LIBAVCODEC_VERSION_MICRO >= 100
25 /* FFmpeg uses 100+ as its micro version */
27 #error libav provider should be FFmpeg
30 if not cc.compiles(check_ffmpeg_src, dependencies : libav_deps, name : 'libav is provided by FFmpeg')
31 error('Uncompatible libavcodec found')
34 cdata = configuration_data()
35 cdata.set('LIBAV_SOURCE', '"system install"')
36 cdata.set('PACKAGE_VERSION', '"@0@"'.format(gst_version))
37 cdata.set('PACKAGE', '"gst-libav"')
39 # GStreamer package name and origin url
40 gst_package_name = get_option('with-package-name')
41 if gst_package_name == ''
42 if gst_version_nano == 0
43 gst_package_name = 'GStreamer FFMPEG Plug-ins source release'
44 elif gst_version_nano == 1
45 gst_package_name = 'GStreamer FFMPEG Plug-ins git'
47 gst_package_name = 'GStreamer FFMPEG Plug-ins prerelease'
50 cdata.set_quoted('GST_PACKAGE_NAME', gst_package_name)
51 cdata.set_quoted('GST_PACKAGE_ORIGIN', get_option('with-package-origin'))
54 check_headers = [['unistd.h', 'HAVE_UNISTD_H']]
56 foreach h : check_headers
57 if cc.has_header(h.get(0))
58 cdata.set(h.get(1), 1)
62 gst_req = '>= @0@.@1@.0'.format(gst_version_major, gst_version_minor)
63 gst_dep = dependency('gstreamer-1.0', version : gst_req,
64 fallback : ['gstreamer', 'gst_dep'])
65 gstbase_dep = dependency('gstreamer-base-1.0', version : gst_req,
66 fallback : ['gstreamer', 'gst_base_dep'])
68 gstvideo_dep = dependency('gstreamer-video-1.0', version : gst_req,
69 fallback : ['gst-plugins-base', 'video_dep'])
70 gstaudio_dep = dependency('gstreamer-audio-1.0', version : gst_req,
71 fallback : ['gst-plugins-base', 'audio_dep'])
72 gstpbutils_dep = dependency('gstreamer-pbutils-1.0', version : gst_req,
73 fallback : ['gst-plugins-base', 'pbutils_dep'])
74 libm = cc.find_library('m', required : false)
76 configure_file(output : 'config.h', configuration : cdata)
78 gst_libav_args = ['-DHAVE_CONFIG_H']
79 if cc.get_id() != 'msvc'
80 gst_libav_args += ['-Wno-deprecated-declarations']
82 # Ignore several spurious warnings for things gstreamer does very commonly
83 # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
84 # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
85 # NOTE: Only add warnings here if you are sure they're spurious
86 add_project_arguments(
87 '/wd4018', # implicit signed/unsigned conversion
88 '/wd4146', # unary minus on unsigned (beware INT_MIN)
89 '/wd4244', # lossy type conversion (e.g. double -> int)
90 '/wd4305', # truncating type conversion (e.g. double -> float)
95 if cc.has_argument('-fvisibility=hidden')
96 add_project_arguments('-fvisibility=hidden', language: 'c')
99 # Disable strict aliasing
100 if cc.has_argument('-fno-strict-aliasing')
101 add_project_arguments('-fno-strict-aliasing', language: 'c')
104 if gst_dep.type_name() == 'internal'
105 gst_proj = subproject('gstreamer')
107 if gst_proj.get_variable('disable_gst_debug')
108 message('GStreamer debug system is disabled')
109 add_project_arguments('-Wno-unused', language: 'c')
111 message('GStreamer debug system is enabled')
114 # We can't check that in the case of subprojects as we won't
115 # be able to build against an internal dependency (which is not built yet)
116 if not cc.compiles('''
117 #include <gst/gstconfig.h>
118 #ifdef GST_DISABLE_GST_DEBUG
119 #error "debugging disabled, make compiler fail"
120 #endif''' , dependencies: gst_dep)
121 message('GStreamer debug system is disabled')
122 add_project_arguments('-Wno-unused', language: 'c')
124 message('GStreamer debug system is enabled')
128 configinc = include_directories('.')
129 plugins_install_dir = '@0@/gstreamer-1.0'.format(get_option('libdir'))
132 python3 = import('python3').find_python()
133 run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')