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gtk2/modules/media/meson.build

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Meson
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mediafile: Turn into an extension point This way, we can support external libraries providing implementations of GtkMediaFile. We also add a media backend called 'nomedia' that can be enabled to not compile any support for GtkMediaFile. This is useful when people want to statically compile GTK into an application that does not use media. For now, this option is the default. We also support a new environment variable GTK_MEDIA that allows selecting the implementation to use. GTK_MEDIA=help can be used to get info about the available implementations.
2018-03-01 20:46:16 +00:00
media_subdir = 'gtk-4.0/@0@/media'.format(gtk_binary_version)
media_install_dir = join_paths(get_option('libdir'), media_subdir)
meson: Use feature options for media and print backends This gracefully disable ffmpeg, gstreamer, cups and cloudprint optional dependencies when they are not available, while still giving full control to distributors using -Dauto_features=enabled.
2020-10-17 13:50:40 +00:00
media_backends = []
mediafile: Turn into an extension point This way, we can support external libraries providing implementations of GtkMediaFile. We also add a media backend called 'nomedia' that can be enabled to not compile any support for GtkMediaFile. This is useful when people want to statically compile GTK into an application that does not use media. For now, this option is the default. We also support a new environment variable GTK_MEDIA that allows selecting the implementation to use. GTK_MEDIA=help can be used to get info about the available implementations.
2018-03-01 20:46:16 +00:00
modules: Fix build on Visual Studio Visual Studio does not allow decorating functions with '__declspec (dllexport)' if a prototype exists and is not decorated with '__declspec (dllexport)' as well, so we cannot just decorate g_io_module_[load|unload|query] in the various module sources with G_MODULE_EXPORT because the prototypes of these functions have been marked with _GLIB_EXTERN, which equates to 'extern' unless overridden Fix this by overriding _GLIB_EXTERN with the appropriate visibility flag, as we have used to define _GDK_EXTERN. Unfortunately, we can't just use _GDK_EXTERN G_MODULE_EXPORT as they may have not been defined yet for our use Do this across the board for all modules, even if they are not buildable on Visual Studio nor Windows, for consistency's sake.
2020-06-04 08:27:56 +00:00
extra_c_args = [
'-DGTK_COMPILATION',
'-D_GLIB_EXTERN=@0@'.format(visibility_define),
]
Build media backends with common_cflags and export the symbol Fixes: #2771
2020-05-22 08:45:44 +00:00
extra_c_args += common_cflags
modules/media/meson.build: Export needed symbols on MSVC We need to override _GLIB_EXTERN to export the required symbols for the GIO module on Visual Studio, so that the media modules can be successfully loaded.
2018-06-22 17:53:32 +00:00
meson: Use feature options for media and print backends This gracefully disable ffmpeg, gstreamer, cups and cloudprint optional dependencies when they are not available, while still giving full control to distributors using -Dauto_features=enabled.
2020-10-17 13:50:40 +00:00
ffmpeg_opt = get_option('media-ffmpeg')
ffmpeg_versions = {
'libavfilter': '>= 6.47.100',
'libavformat': '>= 57.41.100',
'libavcodec': '>= 57.48.101',
'libavutil': '>= 55.28.100',
'libswscale': '>= 4.6.100',
}
ffmpeg_deps = []
ffmpeg_found = true
foreach name, version : ffmpeg_versions
dep = dependency(name, version: version, required: ffmpeg_opt)
ffmpeg_deps += dep
if not dep.found()
ffmpeg_found = false
break
endif
endforeach
if ffmpeg_found
media_backends += 'ffmpeg'
gtk: Add ffmpeg implementation of GtkMediaFile This adds a module using ffmpeg to implement the GtkMediaFile interface.
2018-02-27 22:19:17 +00:00
cdata.set('HAVE_FFMPEG', 1)
shared_module('media-ffmpeg',
'gtkffmediafile.c',
modules/media/meson.build: Export needed symbols on MSVC We need to override _GLIB_EXTERN to export the required symbols for the GIO module on Visual Studio, so that the media modules can be successfully loaded.
2018-06-22 17:53:32 +00:00
c_args: extra_c_args,
gtk: Add ffmpeg implementation of GtkMediaFile This adds a module using ffmpeg to implement the GtkMediaFile interface.
2018-02-27 22:19:17 +00:00
dependencies: [ libgtk_dep, ffmpeg_deps ],
install_dir: media_install_dir,
install : true)
endif
meson: Use feature options for media and print backends This gracefully disable ffmpeg, gstreamer, cups and cloudprint optional dependencies when they are not available, while still giving full control to distributors using -Dauto_features=enabled.
2020-10-17 13:50:40 +00:00
gstplayer_dep = dependency('gstreamer-player-1.0', version: '>= 1.12.3',
required: get_option('media-gstreamer'))
if gstplayer_dep.found()
media_backends += 'gstreamer'
gtk: Add a GStreamer implementation of GtkMediaFile
2018-03-02 00:56:31 +00:00
cdata.set('HAVE_GSTREAMER', 1)
shared_module('media-gstreamer',
'gtkgstmediafile.c',
'gtkgstpaintable.c',
'gtkgstsink.c',
modules/media/meson.build: Export needed symbols on MSVC We need to override _GLIB_EXTERN to export the required symbols for the GIO module on Visual Studio, so that the media modules can be successfully loaded.
2018-06-22 17:53:32 +00:00
c_args: extra_c_args,
gtk: Add a GStreamer implementation of GtkMediaFile
2018-03-02 00:56:31 +00:00
dependencies: [ libgtk_dep, gstplayer_dep ],
install_dir: media_install_dir,
install : true)
endif
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