It’s taking forever to inference a “sample_720p.mjpeg” file.
And the docs need to updated as well, for building the binary before running the sample apps from the “~/deepstream_sdk_v4.0.2_x86_64/sources/apps/sample_apps” folder otherwise, the conf file is not found.
about this, sources/apps/sample_apps/deepstream-test1/README,
Please follow instructions in the apps/sample_apps/deepstream-app/README on how
to install the prequisites for Deepstream SDK, the DeepStream SDK itself and the
Compilation Steps: cd apps/deepstream-test1/
$ ./deepstream-test1-app <h264_elementary_stream>
About taking forever issue, which GPU are you using? this sample render output on screen, if you are using Tesla platform, you can follow https://elinux.org/Deepstream/FAQ 5A to setup virtual display
or you can choose modify the source to use fakesink.