gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/cuda/meson.build
Nirbheek Chauhan 0c17efafa3 meson: Improve NVMM CUDA detection
1. Add some comments explaining what headers and libs are expected on
   what systems
2. Only look in default incdirs if no incdir is specified
3. Require libnvbufsurface.so on Jetson when cuda-nvmm=enabled
4. Require libatomic on Jetson when cuda-nvmm=enabled

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8021>
2024-12-16 14:47:23 +00:00

210 lines
6 KiB
Meson

cuda_sources = files([
'gstcudabufferpool.cpp',
'gstcudacontext.cpp',
'gstcudaloader.cpp',
'gstcudamemory.cpp',
'gstcudamemorypool.cpp',
'gstcudanvmm.cpp',
'gstcudanvrtc.cpp',
'gstcudastream.cpp',
'gstcudautils.cpp',
])
cuda_headers = files([
'cuda-prelude.h',
'gstcuda.h',
'gstcudabufferpool.h',
'gstcudacontext.h',
'gstcudaloader.h',
'gstcudamemory.h',
'gstcudamemorypool.h',
'gstcudanvrtc.h',
'gstcudastream.h',
'gstcudautils.h',
])
extra_deps = []
gstcuda_dep = dependency('', required : false)
cuda_stubinc = include_directories('./stub')
gstcuda_stub_dep = declare_dependency(
include_directories: cuda_stubinc
)
have_nvbufsurface_h = false
gstcuda_nvmm_inc = []
nvbuf_dep = dependency('', required: false)
gstcuda_platform_dep = []
if host_system not in ['windows', 'linux']
subdir_done()
endif
# Linux ARM would need -latomic for std::atomic<int64_t>
if host_system == 'linux' and host_machine.cpu_family() in ['aarch64', 'arm']
libatomic_dep = cxx.find_library('atomic', required: get_option('cuda-nvmm'))
if not libatomic_dep.found()
subdir_done()
endif
gstcuda_platform_dep += [libatomic_dep]
endif
cuda_win32_headers = [
'initguid.h',
'd3d11.h',
'dxgi.h',
]
extra_args = ['-DGST_USE_UNSTABLE_API',
'-DBUILDING_GST_CUDA',
'-DG_LOG_DOMAIN="GStreamer-Cuda"']
if gstgl_dep.found()
extra_args += ['-DHAVE_CUDA_GST_GL']
endif
if host_system == 'windows'
foreach h : cuda_win32_headers
if not cc.has_header(h)
subdir_done()
endif
endforeach
if not gstd3d11_dep.found()
subdir_done()
endif
# ConvertStringSecurityDescriptorToSecurityDescriptorA
advapi32_lib = cxx.find_library('advapi32', required: false)
if not advapi32_lib.found()
subdir_done()
endif
gstcuda_platform_dep += [advapi32_lib]
# MinGW 32bits build workaround
if cc.get_id() != 'msvc'
extra_args += cc.get_supported_arguments([
'-Wno-redundant-decls',
])
endif
else
# We have NVMM with nvbufsurface.h on both Linux x86 and Jetson (aarch64)
nvmm_opt = get_option('cuda-nvmm')
fsmod = import('fs')
if nvmm_opt.allowed()
incdir_candidates = []
nvmm_inc_opt = get_option('cuda-nvmm-include-path')
if nvmm_inc_opt != ''
incdir_candidates += [nvmm_inc_opt]
else
# try some other default locations
incdir_candidates = [
'/usr/src/jetson_multimedia_api/include',
'/opt/nvidia/deepstream/deepstream/sources/includes',
]
endif
foreach incdir: incdir_candidates
if fsmod.is_dir(incdir)
incdir = include_directories(incdir)
if cc.has_header('nvbufsurface.h',
include_directories: incdir,
required: false)
have_nvbufsurface_h = true
gstcuda_nvmm_inc = incdir
break
endif
endif
endforeach
if have_nvbufsurface_h
extra_args += ['-DHAVE_CUDA_NVMM']
# On Tegra, we also have libnvbufsurface.so, which is not present on x86
if host_machine.cpu_family() == 'aarch64'
# check if we have a tegra based system (jetson)
nvbuf_dep = cc.find_library('nvbufsurface', dirs: '/usr/lib/aarch64-linux-gnu/tegra/', required: nvmm_opt)
if nvbuf_dep.found()
extra_deps += [nvbuf_dep]
extra_args += ['-DHAVE_CUDA_NVMM_JETSON']
endif
endif
elif nvmm_opt.enabled()
error('Could not find required header: "nvbufsurface.h"')
subdir_done()
endif
endif
endif
pkg_name = 'gstreamer-cuda-' + api_version
gstcuda= library('gstcuda-' + api_version,
cuda_sources,
c_args : gst_plugins_bad_args + extra_args,
cpp_args : gst_plugins_bad_args + extra_args,
include_directories : [configinc, libsinc, cuda_stubinc] + gstcuda_nvmm_inc,
version : libversion,
soversion : soversion,
install : true,
dependencies : [gstbase_dep, gmodule_dep, gstvideo_dep, gstglproto_dep, gstd3d11_dep, gstcuda_platform_dep, extra_deps]
)
gen_sources = []
library_def = {'lib': gstcuda}
if build_gir
gir_includes = ['Gst-1.0', 'GstBase-1.0', 'GstVideo-1.0', 'CudaGst-1.0']
if gstglproto_dep.found()
gir_includes += ['GstGL-1.0']
endif
cuda_gir = {
'sources' : files('stub/cuda.h', 'stub/cudaGL.h'),
'namespace' : 'CudaGst',
'nsversion' : api_version,
'identifier_prefix' : 'CU',
'symbol_prefix' : ['cu', 'cuda'],
'includes' : [],
'install' : true,
'extra_args' : [],
'dependencies' : [],
}
gir = {
'sources' : cuda_sources + cuda_headers,
'namespace' : 'GstCuda',
'nsversion' : api_version,
'identifier_prefix' : 'Gst',
'symbol_prefix' : 'gst',
'export_packages' : pkg_name,
'includes' : gir_includes,
'install' : true,
'extra_args' : gir_init_section + ['-DGST_USE_UNSTABLE_API', '-I' + meson.current_source_dir() / 'stub'],
'dependencies' : [gstbase_dep, gstvideo_dep, gstglproto_dep],
}
if not static_build
cudagst_gir = gnome.generate_gir(gstcuda, kwargs: cuda_gir)
library_def += {'gir_targets': library_def.get('gir_targets', []) + [cudagst_gir]}
gir += {'includes': gir['includes'] + [cudagst_gir[0]]}
gst_cuda_gir = gnome.generate_gir(gstcuda, kwargs: gir)
library_def += {'gir_targets': library_def.get('gir_targets', []) + [gst_cuda_gir]}
gen_sources += gst_cuda_gir
endif
library_def += {'gir': [gir, cuda_gir]}
endif
gst_libraries += [[pkg_name, library_def]]
pkgconfig.generate(gstcuda,
libraries : [gstbase_dep, gmodule_dep, gstvideo_dep, gstglproto_dep, gstcuda_platform_dep],
variables : pkgconfig_variables,
subdirs : pkgconfig_subdirs,
name : pkg_name,
description : 'Unstable library to work with CUDA inside GStreamer',
)
install_headers(cuda_headers + ['cuda-gst.h', 'gstcuda.h'], subdir : 'gstreamer-1.0/gst/cuda')
gstcuda_dep = declare_dependency(link_with : gstcuda,
include_directories : [libsinc],
dependencies : [gstbase_dep, gmodule_dep, gstvideo_dep, gstglproto_dep, gstcuda_platform_dep],
sources: gen_sources)
meson.override_dependency(pkg_name, gstcuda_dep)