进入调试口，需要本地和远程都装C/C++ estension
下面是在调mpi_enc_test的launch.json
文件自己make生成的 makefile 没改过
args项是输入参数，配置了相机输入，具体参数看他的demo说明，
记录一下，方便以后拷贝方便

{// Use IntelliSense to learn about possible attributes.// Hover to view descriptions of existing attributes.// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387"version": "0.2.0","configurations": [{"name": "(gdb) 启动","type": "cppdbg","request": "launch","program": "${workspaceFolder}/test/mpi_enc_test","args": [ "-i", "/dev/video0", "-f", "8", "-w", "1280", "-h", "720", "-o", "o1.h264", "-t", "7", "-n", "120"],"stopAtEntry": false,"cwd": "${workspaceFolder}","environment": [],"externalConsole": false,"MIMode": "gdb","setupCommands": [{"description": "为 gdb 启用整齐打印","text": "-enable-pretty-printing","ignoreFailures": true},{"description": "将反汇编风格设置为 Intel","text": "-gdb-set disassembly-flavor intel","ignoreFailures": true}],// "preLaunchTask":"Build","miDebuggerPath": "/usr/local/bin/gdb"}]
}