Я использую команду pip install av.
После загрузки и получения этой ошибки.
Collecting av<br>
Using cached av-7.0.0.tar.gz (2.3 MB)<br>
Installing collected packages: av<br>
Running setup.py install for av ... error<br>
ERROR: Command errored out with exit status 1:<br>
command: 'c:\python\python38\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\Sushan Sapaliga\\AppData\\Local\\Temp\\pip-install-rsudmj0y\\av\\setup.py'"'"'; __file__='"'"'C:\\Users\\Sushan Sapaliga\\AppData\\Local\\Temp\\pip-install-rsudmj0y\\av\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record 'C:\Users\Sushan Sapaliga\AppData\Local\Temp\pip-record-_s5tlw6t\install-record.txt' --single-version-externally-managed --compile --install-headers 'c:\python\python38\Include\av'
cwd: C:\Users\Sushan Sapaliga\AppData\Local\Temp\pip-install-rsudmj0y\av\
Complete output (38 lines):<br>
running install<br>
running build<br>
running build_py<br>
creating build<br>
creating build\lib.win-amd64-3.8<br>
creating build\lib.win-amd64-3.8\av<br>
copying av\datasets.py -> build\lib.win-amd64-3.8\av<br>
copying av\deprecation.py -> build\lib.win-amd64-3.8\av<br>
copying av\__init__.py -> build\lib.win-amd64-3.8\av<br>
copying av\__main__.py -> build\lib.win-amd64-3.8\av<br>
creating build\lib.win-amd64-3.8\av\audio<br>
copying av\audio\__init__.py -> build\lib.win-amd64-3.8\av\audio<br>
creating build\lib.win-amd64-3.8\av\codec<br>
copying av\codec\__init__.py -> build\lib.win-amd64-3.8\av\codec<br>
creating build\lib.win-amd64-3.8\av\container<br>
copying av\container\__init__.py -> build\lib.win-amd64-3.8\av\container<br>
creating build\lib.win-amd64-3.8\av\data<br>
copying av\data\__init__.py -> build\lib.win-amd64-3.8\av\data<br>
creating build\lib.win-amd64-3.8\av\filter<br>
copying av\filter\__init__.py -> build\lib.win-amd64-3.8\av\filter<br>
creating build\lib.win-amd64-3.8\av\sidedata<br>
copying av\sidedata\__init__.py -> build\lib.win-amd64-3.8\av\sidedata<br>
creating build\lib.win-amd64-3.8\av\subtitles<br>
copying av\subtitles\__init__.py -> build\lib.win-amd64-3.8\av\subtitles<br>
creating build\lib.win-amd64-3.8\av\video<br>
copying av\video\__init__.py -> build\lib.win-amd64-3.8\av\video<br>
running build_ext<br>
running config<br>
writing build\temp.win-amd64-3.8\Release\include\pyav\config.h<br>
running cythonize<br>
building 'av.buffer' extension<br>
creating build\temp.win-amd64-3.8\Release\src<br>
creating build\temp.win-amd64-3.8\Release\src\av<br>
C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.24.28314\bin\HostX86\x64\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -Iinclude -Ic:\python\python38\include -Ibuild\temp.win-amd64-3.8\Release\include -Ic:\python\python38\include -Ic:\python\python38\include -Ibuild\temp.win-amd64-3.8\Release\include "-IC:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.24.28314\ATLMFC\include" "-IC:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.24.28314\include" "-IC:\Program Files (x86)\Windows Kits\NETFXSDK\4.8\include\um" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\shared" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\um" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\winrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\cppwinrt" /Tcsrc\av\buffer.c /Fobuild\temp.win-amd64-3.8\Release\src\av\buffer.obj
buffer.c
<br><br>C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.24.28314\bin\HostX86\x64\link.exe /nologo /INCREMENTAL:NO /LTCG /DLL /MANIFEST:EMBED,ID=2 /MANIFESTUAC:NO /LIBPATH:c:\python\python38\libs /LIBPATH:c:\python\python38\PCbuild\amd64 /LIBPATH:c:\python\python38\libs /LIBPATH:c:\python\python38\PCbuild\amd64 "/LIBPATH:C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.24.28314\ATLMFC\lib\x64" "/LIBPATH:C:\Program Files (x86)\Microsoft
Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.24.28314\lib\x64" "/LIBPATH:C:\Program Files (x86)\Windows Kits\NETFXSDK\4.8\lib\um\x64" "/LIBPATH:C:\Program Files (x86)\Windows Kits\10\lib\10.0.18362.0\ucrt\x64" "/LIBPATH:C:\Program Files (x86)\Windows Kits\10\lib\10.0.18362.0\um\x64" avutil.lib avcodec.lib avfilter.lib avformat.lib swresample.lib avdevice.lib swscale.lib /EXPORT:PyInit_buffer build\temp.win-amd64-3.8\Release\src\av\buffer.obj /OUT:build\lib.win-amd64-3.8\av\buffer.cp38-win_amd64.pyd /IMPLIB:build\temp.win-amd64-3.8\Release\src\av\buffer.cp38-win_amd64.lib /OPT:NOREF
LINK : fatal error LNK1181: cannot open input file 'avutil.lib'
error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\BuildTools\\VC\\Tools\\MSVC\\14.24.28314\\bin\\HostX86\\x64\\link.exe' failed with exit status 1181<br>
----------------------------------------<br>
ERROR: Command errored out with exit status 1: 'c:\python\python38\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\Sushan Sapaliga\\AppData\\Local\\Temp\\pip-install-rsudmj0y\\av\\setup.py'"'"'; __file__='"'"'C:\\Users\\Sushan Sapaliga\\AppData\\Local\\Temp\\pip-install-rsudmj0y\\av\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record 'C:\Users\Sushan Sapaliga\AppData\Local\Temp\pip-record-_s5tlw6t\install-record.txt' --single-version-externally-managed --compile --install-headers 'c:\python\python38\Include\av' Check the logs for full command output.