ERROR: Postprocessing: Reason: tried: '/usr/local/opt/srt/lib/libsrt.1.4.dylib' (no such file), '/usr/local/lib/libsrt.1.4.dylib' (no such file), '/usr/lib/libsrt.1.4.dylib' (no such file), '/usr/local/Cellar/srt/1.5.1/lib/libsrt.1.4.dylib' (no such file), '/usr/local/lib/libsrt.1.4.dylib' (no such file), '/usr/lib/libsrt.1.4.dylib' (no such file)使用以下命令重新安装ffmpeg：
brew install ffmpeg