FFmpeg環境搭建

1、從github上下載ffmpeg源碼，首先安裝yasm，否則運行 ./configure 會報下面的錯誤： N85-87HP6:~/opensource/FFmpeg-release-4.1$ ./configure nasm/yasm not found or too old. Use --disable-x86asm for a crippled build. If you think

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