Coding Spirit

gpio-keys is part of Linux input subsystem that can be used as key driver which can generate gpio interrupt. Comparing with user-implemented drivers base on GPIO subsystem, gpio-keys is much easier to use since it supports features like debounce/autorepeat by default.

To add FFMPEG(libav) into CMake project, we can use pkgconfig:

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find_package(PkgConfig REQUIRED)
pkg_check_modules(FFMPEG REQUIRED IMPORTED_TARGET
    libavdevice
    libavformat
    libavcodec
    libavutil
    libavfilter
    libswresample
    libswscale
)

target_include_directories(${CMAKE_PROJECT_NAME} PRIVATE PkgConfig::FFMPEG)
target_link_libraries(${PROJECT_NAME} PRIVATE PkgConfig::FFMPEG)

Maybe not all libs are required by your project. Remove unnecessary libs if you want.

Algorithm Puzzles everyday every week sometimes: Climbing Stairs

Algorithm Puzzles everyday every week sometimes: Remove Nth Node From End of List

Algorithm Puzzles everyday every week sometimes: Jump Game II

Algorithm Puzzles everyday every week sometimes: Sum of Left Leaves

Algorithm Puzzles everyday every week sometimes: Same Tree

Algorithm Puzzles everyday every week sometimes: Jump Game

Algorithm Puzzles everyday every week sometimes: Wildcard Matching

Algorithm Puzzles everyday every week sometimes: Valid Parentheses