nvcodec: Stop building for non-{Windows,Linux} target

The other platforms, specifically macOS have not been supported already
because this plugin loads so or dll. Moreover, NVIDIA dropped
support for macOS as of CUDA 11.0. See also
https://developer.nvidia.com/nvidia-cuda-toolkit-11_0_0-developer-tools-mac-hosts

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2283>

diff --git a/subprojects/gst-plugins-bad/gst-libs/gst/cuda/meson.build b/subprojects/gst-plugins-bad/gst-libs/gst/cuda/meson.build
index ec06c71..61e75a1 100644 (file)
--- a/subprojects/gst-plugins-bad/gst-libs/gst/cuda/meson.build
+++ b/subprojects/gst-plugins-bad/gst-libs/gst/cuda/meson.build
@@ -20,6 +20,12 @@ cuda_headers = [
     'gstnvrtcloader.h',
 ]
 
+gstcuda_dep = dependency('', required : false)
+
+if host_system not in ['windows', 'linux']
+  subdir_done()
+endif
+
 cuda_stubinc = include_directories('./stub')
 extra_c_args = ['-DGST_USE_UNSTABLE_API']
 

diff --git a/subprojects/gst-plugins-bad/sys/nvcodec/meson.build b/subprojects/gst-plugins-bad/sys/nvcodec/meson.build
index 50e2978..35d5f18 100644 (file)
--- a/subprojects/gst-plugins-bad/sys/nvcodec/meson.build
+++ b/subprojects/gst-plugins-bad/sys/nvcodec/meson.build
@@ -31,6 +31,13 @@ if get_option('nvcodec').disabled()
   subdir_done()
 endif
 
+if not gstcuda_dep.found()
+  if get_option('nvcodec').enabled()
+    error('The nvcodec was enabled explicitly, but required gstcuda dependency is not found')
+  endif
+  subdir_done()
+endif
+
 plugin_incdirs = [configinc, cuda_stubinc]
 extra_args = ['-DGST_USE_UNSTABLE_API']