gstreamer/sys/asio/meson.build
Seungha Yang dc787434bc Introduce Steinberg ASIO (Audio Streaming Input/Output) plugin
Adds a new plugin for ASIO devices.

Although there is a standard low-level audio API, WASAPI, on Windows,
ASIO is still being broadly used for audio devices which are aiming to
professional use case. In case of such devices, ASIO API might be able
to show better quality and latency performance depending on manufacturer's
driver implementation.

In order to build this plugin, user should provide path to
ASIO SDK as a build option, "asio-sdk-path".

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2309>
2021-07-26 14:58:16 +00:00

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2.3 KiB
Meson

asio_sources = [
'gstasiodeviceprovider.cpp',
'gstasioobject.cpp',
'gstasioringbuffer.cpp',
'gstasiosink.cpp',
'gstasiosrc.cpp',
'gstasioutils.cpp',
'plugin.c',
]
asio_option = get_option('asio')
if asio_option.disabled() or host_system != 'windows'
subdir_done()
endif
# FIXME: non-msvc is not tested, and unlikely supported yet because of
# tool-chain issue
if cxx.get_id() != 'msvc'
if asio_option.enabled()
error('asio plugin can only be built with MSVC')
else
subdir_done ()
endif
endif
winapi_desktop = cxx.compiles('''#include <winapifamily.h>
#if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
#error "not win32"
#endif''',
name: 'building for Win32')
if not winapi_desktop
if asio_option.enabled()
error('asio plugin requires WINAPI_PARTITION_DESKTOP')
else
subdir_done ()
endif
endif
avrt_lib = cc.find_library('avrt', required: asio_option)
if not avrt_lib.found()
subdir_done ()
endif
winmm_lib = cc.find_library('winmm', required: asio_option)
if not winmm_lib.found()
subdir_done ()
endif
# Checking SDK headers. User should install ASIO sdk on system, and
# this plugin requires asio.h, asiosys.h and iasiodrv.h headers
asio_sdk_root = get_option ('asio-sdk-path')
if asio_sdk_root == ''
if asio_option.enabled()
error('asio sdk path is needed, pass with -Dasio-sdk-path=C:/path/to/sdk')
else
subdir_done ()
endif
endif
asio_inc_dir = include_directories(join_paths(asio_sdk_root, 'common'), is_system : true)
has_asio_header = cxx.has_header('asio.h', include_directories: asio_inc_dir)
has_asiosys_header = cxx.has_header('asiosys.h', include_directories: asio_inc_dir)
has_iasiodrv_header = cxx.has_header('iasiodrv.h', include_directories: asio_inc_dir)
if not has_asio_header or not has_asiosys_header or not has_iasiodrv_header
if asio_option.enabled()
error('Failed to find required SDK header(s)')
else
subdir_done ()
endif
endif
asio_deps = [gstaudio_dep, avrt_lib, winmm_lib]
gstasio = library('gstasio',
asio_sources,
include_directories : [configinc, asio_inc_dir],
dependencies : asio_deps,
c_args : gst_plugins_bad_args,
cpp_args : gst_plugins_bad_args,
install : true,
install_dir : plugins_install_dir)
pkgconfig.generate(gstasio, install_dir : plugins_pkgconfig_install_dir)
plugins += [gstasio]