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By default, macOS attempts to run lldb against a misbehaving process to handle the crash. This does not play well with the SISEGV/SIGQUIT handler we add in gst-launch/gst-validate. The 'spinning' mechanism causes the lldb and debugserver processes ran by macOS to misbehave, taking 100% CPU and rendering both themselves and the GStreamer instance frozen and very hard to effectively kill. macOS's Activity Monitor is also unusable while this is happening. This patch takes the quickest possible solution of just disabling those signal handlers entirely on macOS. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5190> |
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== Gst-Validate The goal of GstValidate is to be able to detect when elements are not behaving as expected and report it to the user so he knows how things are supposed to work inside a GstPipeline. In the end, fixing issues found by the tool will ensure that all elements behave all together in the expected way. The easiest way of using GstValidate is to use one of its command-line tools, located at tools/ directory. It is also possible to monitor GstPipelines from any application by using the LD_PRELOAD gstvalidate lib. The third way of using it is to write your own application that links and uses libgstvalidate. == BUILDING Getting the code: Releases are available at <URL>, download and extract the tarball. If you want to use latest git version, do: git clone <URI> After cloning or extracting from a tarball, enter the gst-validate directory: cd gst-validate Build with: meson build --prefix=<installation-prefix> ninja -C build sudo ninja -C build install (only if you want to install it) Replace <installation-prefix> with your desired installation path, you can omit the --prefix argument if you aren't going to install it or if you want the default /usr/local. It is possible to use gst-validate CLI tools without installation. == INSTRUCTIONS If you are looking for informations on how to use gst-validate -> docs/validate-usage.txt If you are looking for informations on gst-validate design -> docs/validate-design.txt