Problem with pip install av

[XernPLL]

I cant install av module. First I installed visual studio and then I got this in the cmd:

`C:\Users\walcz>pip install av Collecting av Using cached https://files.pythonhosted.org/packages/15/80/edc9e110b2896ebe16863051e68bd4786efeda71ce94b81a048d146062cc/av-6.1.0.tar.gz Building wheels for collected packages: av Running setup.py bdist_wheel for av ... error Complete output from command c:\python37\python.exe -u -c "import setuptools, tokenize;file='C:\Users\walcz\AppData\Local\Temp\pip-install-cwy5vyjv\av\setup.py';f=getattr(tokenize, 'open', open)(file);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, file, 'exec'))" bdist_wheel -d C:\Users\walcz\AppData\Local\Temp\pip-wheel-vd3eg038 --python-tag cp37: running bdist_wheel running build running build_py creating build creating build\lib.win-amd64-3.7 creating build\lib.win-amd64-3.7\av copying av\datasets.py -> build\lib.win-amd64-3.7\av copying av\deprecation.py -> build\lib.win-amd64-3.7\av copying av__init.py -> build\lib.win-amd64-3.7\av copying av__main__.py -> build\lib.win-amd64-3.7\av creating build\lib.win-amd64-3.7\scratchpad copying scratchpad\audio.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\audio_player.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\average.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\cctx_decode.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\cctx_encode.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\decode.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\decode_threads.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\dump_format.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\encode.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\encode_frames.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\experimental.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\filmstrip.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\frame_seek_example.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\glproxy.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\graph.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\merge-filmstrip.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\player.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\qtproxy.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\remux.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\resource_use.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\save_subtitles.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\second_seek_example.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\seekmany.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\show_frames_opencv.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad__init.py -> build\lib.win-amd64-3.7\scratchpad creating build\lib.win-amd64-3.7\av\audio copying av\audio\init.py -> build\lib.win-amd64-3.7\av\audio creating build\lib.win-amd64-3.7\av\codec copying av\codec\init.py -> build\lib.win-amd64-3.7\av\codec creating build\lib.win-amd64-3.7\av\container copying av\container\init.py -> build\lib.win-amd64-3.7\av\container creating build\lib.win-amd64-3.7\av\data copying av\data\init.py -> build\lib.win-amd64-3.7\av\data creating build\lib.win-amd64-3.7\av\filter copying av\filter\init.py -> build\lib.win-amd64-3.7\av\filter creating build\lib.win-amd64-3.7\av\subtitles copying av\subtitles\init.py -> build\lib.win-amd64-3.7\av\subtitles creating build\lib.win-amd64-3.7\av\video copying av\video\init__.py -> build\lib.win-amd64-3.7\av\video running build_ext running config writing build\temp.win-amd64-3.7\Release\include\pyav\config.h running cythonize Compiling av\buffer.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\string.pxd. [1/1] Cythonizing av\buffer.pyx Compiling av\bytesource.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\cpython\buffer.pxd. [1/1] Cythonizing av\bytesource.pyx Compiling av\descriptor.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\descriptor.pyx Compiling av\dictionary.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\dictionary.pyx Compiling av\format.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\format.pyx Compiling av\frame.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\string.pxd. [1/1] Cythonizing av\frame.pyx Compiling av\logging.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\string.pxd. [1/1] Cythonizing av\logging.pyx Compiling av\option.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\option.pyx Compiling av\packet.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\packet.pyx Compiling av\plane.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\plane.pyx Compiling av\stream.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\string.pxd. [1/1] Cythonizing av\stream.pyx Compiling av\utils.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\utils.pyx Compiling av_core.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av_core.pyx Compiling av\audio\codeccontext.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\audio\codeccontext.pyx Compiling av\audio\fifo.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\audio\fifo.pyx Compiling av\audio\format.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\audio\format.pyx Compiling av\audio\frame.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\audio\frame.pyx Compiling av\audio\layout.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\string.pxd. [1/1] Cythonizing av\audio\layout.pyx Compiling av\audio\plane.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\audio\plane.pyx Compiling av\audio\resampler.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\audio\resampler.pyx Compiling av\audio\stream.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\audio\stream.pyx Compiling av\codec\codec.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\codec\codec.pyx Compiling av\codec\context.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\string.pxd. [1/1] Cythonizing av\codec\context.pyx Compiling av\container\core.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\string.pxd. [1/1] Cythonizing av\container\core.pyx Compiling av\container\input.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\string.pxd. [1/1] Cythonizing av\container\input.pyx Compiling av\container\output.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\container\output.pyx Compiling av\container\pyio.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\string.pxd. [1/1] Cythonizing av\container\pyio.pyx Compiling av\container\streams.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\container\streams.pyx Compiling av\data\stream.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\data\stream.pyx Compiling av\filter\context.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\string.pxd. [1/1] Cythonizing av\filter\context.pyx Compiling av\filter\filter.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\filter\filter.pyx Compiling av\filter\graph.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\string.pxd. [1/1] Cythonizing av\filter\graph.pyx Compiling av\filter\link.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\filter\link.pyx Compiling av\filter\pad.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\filter\pad.pyx Compiling av\subtitles\codeccontext.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\subtitles\codeccontext.pyx Compiling av\subtitles\stream.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\subtitles\stream.pyx Compiling av\subtitles\subtitle.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\string.pxd. [1/1] Cythonizing av\subtitles\subtitle.pyx Compiling av\video\codeccontext.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\video\codeccontext.pyx Compiling av\video\format.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\string.pxd. [1/1] Cythonizing av\video\format.pyx Compiling av\video\frame.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\video\frame.pyx Compiling av\video\plane.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\video\plane.pyx Compiling av\video\reformatter.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\video\reformatter.pyx Compiling av\video\stream.pyx because it depends on c:\python37\lib\site-packages\Cython\Includes\libc\stdint.pxd. [1/1] Cythonizing av\video\stream.pyx building 'av.buffer' extension creating build\temp.win-amd64-3.7\Release\src creating build\temp.win-amd64-3.7\Release\src\av C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\bin\HostX86\x64\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=__inline -Iinclude -Ic:\python37\include -Ibuild\temp.win-amd64-3.7\Release\include -Ic:\python37\include -Ic:\python37\include -Ibuild\temp.win-amd64-3.7\Release\include "-IC:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\ATLMFC\include" "-IC:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\shared" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\um" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\winrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\cppwinrt" /Tcsrc\av\buffer.c /Fobuild\temp.win-amd64-3.7\Release\src\av\buffer.obj buffer.c C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\bin\HostX86\x64\link.exe /nologo /INCREMENTAL:NO /LTCG /DLL /MANIFEST:EMBED,ID=2 /MANIFESTUAC:NO /LIBPATH:c:\python37\libs /LIBPATH:c:\python37\PCbuild\amd64 /LIBPATH:c:\python37\libs /LIBPATH:c:\python37\PCbuild\amd64 "/LIBPATH:C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\ATLMFC\lib\x64" "/LIBPATH:C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\lib\x64" "/LIBPATH:C:\Program Files (x86)\Windows Kits\10\lib\10.0.17763.0\ucrt\x64" "/LIBPATH:C:\Program Files (x86)\Windows Kits\10\lib\10.0.17763.0\um\x64" avcodec.lib avdevice.lib swresample.lib avutil.lib avfilter.lib avformat.lib swscale.lib /EXPORT:PyInit_buffer build\temp.win-amd64-3.7\Release\src\av\buffer.obj /OUT:build\lib.win-amd64-3.7\av\buffer.cp37-win_amd64.pyd /IMPLIB:build\temp.win-amd64-3.7\Release\src\av\buffer.cp37-win_amd64.lib /OPT:NOREF LINK : fatal error LNK1181: nie można otworzyć pliku wejściowego „avcodec.lib” error: command 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\bin\HostX86\x64\link.exe' failed with exit status 1181

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Failed building wheel for av Running setup.py clean for av Failed to build av Installing collected packages: av Running setup.py install for av ... error Complete output from command c:\python37\python.exe -u -c "import setuptools, tokenize;file='C:\Users\walcz\AppData\Local\Temp\pip-install-cwy5vyjv\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\walcz\AppData\Local\Temp\pip-record-wr1e1tox\install-record.txt --single-version-externally-managed --compile: running install running build running build_py creating build creating build\lib.win-amd64-3.7 creating build\lib.win-amd64-3.7\av copying av\datasets.py -> build\lib.win-amd64-3.7\av copying av\deprecation.py -> build\lib.win-amd64-3.7\av copying av__init.py -> build\lib.win-amd64-3.7\av copying av__main.py -> build\lib.win-amd64-3.7\av creating build\lib.win-amd64-3.7\scratchpad copying scratchpad\audio.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\audio_player.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\average.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\cctx_decode.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\cctx_encode.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\decode.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\decode_threads.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\dump_format.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\encode.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\encode_frames.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\experimental.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\filmstrip.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\frame_seek_example.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\glproxy.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\graph.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\merge-filmstrip.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\player.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\qtproxy.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\remux.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\resource_use.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\save_subtitles.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\second_seek_example.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\seekmany.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\show_frames_opencv.py -> build\lib.win-amd64-3.7\scratchpad copying scratchpad\init.py -> build\lib.win-amd64-3.7\scratchpad creating build\lib.win-amd64-3.7\av\audio copying av\audio\init.py -> build\lib.win-amd64-3.7\av\audio creating build\lib.win-amd64-3.7\av\codec copying av\codec\init.py -> build\lib.win-amd64-3.7\av\codec creating build\lib.win-amd64-3.7\av\container copying av\container\init.py -> build\lib.win-amd64-3.7\av\container creating build\lib.win-amd64-3.7\av\data copying av\data\init.py -> build\lib.win-amd64-3.7\av\data creating build\lib.win-amd64-3.7\av\filter copying av\filter\init.py -> build\lib.win-amd64-3.7\av\filter creating build\lib.win-amd64-3.7\av\subtitles copying av\subtitles\init.py -> build\lib.win-amd64-3.7\av\subtitles creating build\lib.win-amd64-3.7\av\video copying av\video\init__.py -> build\lib.win-amd64-3.7\av\video running build_ext running config writing build\temp.win-amd64-3.7\Release\include\pyav\config.h running cythonize building 'av.buffer' extension creating build\temp.win-amd64-3.7\Release\src creating build\temp.win-amd64-3.7\Release\src\av C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\bin\HostX86\x64\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=__inline -Iinclude -Ibuild\temp.win-amd64-3.7\Release\include -Ic:\python37\include -Ic:\python37\include -Ic:\python37\include -Ibuild\temp.win-amd64-3.7\Release\include "-IC:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\ATLMFC\include" "-IC:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\shared" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\um" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\winrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\cppwinrt" /Tcsrc\av\buffer.c /Fobuild\temp.win-amd64-3.7\Release\src\av\buffer.obj buffer.c C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\bin\HostX86\x64\link.exe /nologo /INCREMENTAL:NO /LTCG /DLL /MANIFEST:EMBED,ID=2 /MANIFESTUAC:NO /LIBPATH:c:\python37\libs /LIBPATH:c:\python37\PCbuild\amd64 /LIBPATH:c:\python37\libs /LIBPATH:c:\python37\PCbuild\amd64 "/LIBPATH:C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\ATLMFC\lib\x64" "/LIBPATH:C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\lib\x64" "/LIBPATH:C:\Program Files (x86)\Windows Kits\10\lib\10.0.17763.0\ucrt\x64" "/LIBPATH:C:\Program Files (x86)\Windows Kits\10\lib\10.0.17763.0\um\x64" avfilter.lib avcodec.lib swscale.lib avdevice.lib swresample.lib avutil.lib avformat.lib /EXPORT:PyInit_buffer build\temp.win-amd64-3.7\Release\src\av\buffer.obj /OUT:build\lib.win-amd64-3.7\av\buffer.cp37-win_amd64.pyd /IMPLIB:build\temp.win-amd64-3.7\Release\src\av\buffer.cp37-win_amd64.lib /OPT:NOREF LINK : fatal error LNK1181: nie można otworzyć pliku wejściowego „avfilter.lib” error: command 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\bin\HostX86\x64\link.exe' failed with exit status 1181

----------------------------------------

Command "c:\python37\python.exe -u -c "import setuptools, tokenize;file='C:\Users\walcz\AppData\Local\Temp\pip-install-cwy5vyjv\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\walcz\AppData\Local\Temp\pip-record-wr1e1tox\install-record.txt --single-version-externally-managed --compile" failed with error code 1 in C:\Users\walcz\AppData\Local\Temp\pip-install-cwy5vyjv\av`

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I have tried with conda, but this made another problem with not found module. I have windows 10

If i am trying to do this that way: python setup.py build --ffmpeg-dir=C:\ffmpeg I am getting this:

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C:\PyAV>python setup.py build --ffmpeg-dir=C:\ffmpeg2 running build running build_py running build_ext running config writing build\temp.win-amd64-3.7\Release\include\pyav\config.h running cythonize building 'av.buffer' extension C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\bin\HostX86\x64\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -Dinline=inline -IC:\ffmpeg2 -Iinclude -Ibuild\temp.win-amd64-3.7\Release\include -IC:\Python37\include -IC:\Python37\include -IC:\Python37\include -Ibuild\temp.win-amd64-3.7\Release\include "-IC:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\ATLMFC\include" "-IC:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\shared" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\um" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\winrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\cppwinrt" /Tcsrc\av\buffer.c /Fobuild\temp.win-amd64-3.7\Release\src\av\buffer.obj buffer.c C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\bin\HostX86\x64\link.exe /nologo /INCREMENTAL:NO /LTCG /DLL /MANIFEST:EMBED,ID=2 /MANIFESTUAC:NO /LIBPATH:C:\ffmpeg2 /LIBPATH:C:\Python37\libs /LIBPATH:C:\Python37\PCbuild\amd64 /LIBPATH:C:\Python37\libs /LIBPATH:C:\Python37\PCbuild\amd64 "/LIBPATH:C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\ATLMFC\lib\x64" "/LIBPATH:C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\lib\x64" "/LIBPATH:C:\Program Files (x86)\Windows Kits\10\lib\10.0.17763.0\ucrt\x64" "/LIBPATH:C:\Program Files (x86)\Windows Kits\10\lib\10.0.17763.0\um\x64" avcodec.lib swscale.lib avutil.lib avfilter.lib avformat.lib avdevice.lib swresample.lib /EXPORT:PyInit_buffer build\temp.win-amd64-3.7\Release\src\av\buffer.obj /OUT:build\lib.win-amd64-3.7\av\buffer.cp37-win_amd64.pyd /IMPLIB:build\temp.win-amd64-3.7\Release\src\av\buffer.cp37-win_amd64.lib /OPT:NOREF LINK : fatal error LNK1181: nie można otworzyć pliku wejściowego „avcodec.lib” error: command 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\bin\HostX86\x64\link.exe' failed with exit status 1181

[charesredhat]

I am facing similar problems from possibly coping *.lib file into

Windows Kits installation (C:\Program Files (x86)\Windows Kits\8.1\Lib\winv6.3\um\x64

might work I am following

https://github.com/joeferner/node-java/issues/424

I did a couple of things to fix it, probably ugly but it's working now :

Installed Node v8.9.1 I copied the file needed from my VS2017 installation (C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.13.26128\lib\x64) to Windows Kits installation (C:\Program Files (x86)\Windows Kits\8.1\Lib\winv6.3\um\x64) Updating VS2017/2015 C++ Build tools from VS installer Added VCTargetsPath=C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\v140 Added GYP_MSVS_VERSION=2015 Hope this help 👍

I will update you if it works

[charesredhat]

I got past the error I got the files I needed from the dji windows sdk

dji\Windows-SDK\Sample Code\DJIVideoParser\ThirdParties\ffmpeg\lib

ugh I got past it to a new error

fatal error C1083: Cannot open include file: 'libavutil/mathematics.h': No such file or directory error: command 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\VC\Tools\MSVC\14.16.27023\bin\HostX64\x64\cl.exe' failed with exit status 2

[rsewell97]

I lost the will to live after spending 2 days with a mixture of these messages. A friend advised me to try Miniconda and it was working in minutes with conda install av. Hope this helps for others!

[kesaroid]

I am facing the exact same problem and I have tried everything. Conda install works fine, but installing PyAV through pip and source. I have zero luck with the same exit status 1181. follow more

[kesaroid]

Hey @charesredhat, Where did you place the DJi Windows SDK files?

[malfonsoNeoris]

hi... i have win 10, same problem. Solved with:

• Download av source. ( git clone)
• Download ffmpeg dev + shared binaries, and unzipped to c:\ffmpeg
• Added ffmpeg bin/lib/include si enviroment path
• python setup.py build and then python setup.py install
• ready to go.

[sushansapaliga]

@malfonsoNeoris was this on windows ?

[malfonso0]

yes W10 64 bits did you manage to solve it?

[gemSquared]

hi... i have win 10, same problem. Solved with:

• Download av source. ( git clone)
• Download ffmpeg dev + shared binaries, and unzipped to c:\ffmpeg
• Added ffmpeg bin/lib/include si enviroment path
• python setup.py build and then python setup.py install
• ready to go.

Hello, I've tried this method but it failed on me on the link.exe part. Errored out 1120.

The thing is, could there be another simpler way of directly feeding video into openCV? Using the SDK mode (sending "command"), I just had to enter the IP and port of the Tello into the VideoCapture. I'm not sure how they work, but the data that comes out of the event subscription looks the same as the data I got from dumping the UDP packets sent in the SDK mode.

[malfonso0]

hi.. in fact yes.. you can grab tello stream directly with opencv (and adding some option to an enviroment folder). i have tryed and done it, as you said.. sending commands. you can send the connect command code, then the start stream and then create a cv2.capture on a specific ip:port. i beliweve the default is 0.0.0.0:(dont remember) but.. when starting the tellopy , the default port is changed (or something like that) and a listener is added. some time ago i was trying to "change this" but never did.

let my find the scripts for the commands.. due to covid im working in my personal PC.. but have the tello in home, so i cant try to reproduce

[malfonso0]

hi, can you try to install pyAV one more time. Here the full instructions Install AV Download ffmpeg dev + shared binaries, and unzipped to c:\ffmpeg Add ffmpeg bin/lib/include to enviroment path

$ git clone https://github.com/mikeboers/PyAV.git $ cd PyAv $ python setup.py bdist_wheel --ffmpeg-dir=c:\ffmpeg $ pip install dist/PyAv-.dev.whl --upgrade

[gemSquared]

HEY, people! 😃 I solved all my problems with decoding video more directly using OpenCV!

I got the EVENT_VIDEO_FRAME event data and sent it to a loopback UDP port. Then I just made an OpenCV VideoCapture thread with the URL "udp://@insert_ip_and_port".

OpenCV just takes the frame data and directly decodes it BY ITSELF! It's a little messy, but no more annoying PyAV install issues!

@malfonso0 thank you so much for trying to help me, but I quit with that mess ☹️

Also I guess this post doesn't belong here anymore because I didn't install PyAV to get what I want. How would I formally suggest adding this method? It makes getting video from the Tello SO much easier...

[malfonso0]

great! i was also trying to leave pyav, its quite messy to get the frames that way. could you send the code of what you did? how you send the data to the udp port?

PS: video of the tello should be like 100 ms delay.. if you have more delay.. search for adding the OPENCV_FFMPEG_CAPTURE_OPTIONS with nobuffer flag

[gemSquared]

It's really quick and dirty... also took one of the demo programs as a foundation I think the joystick video one.

First, I define the function that will handle a EVENT_VIDEO_FRAME using the drone.subscribe.

In that handler, I used sockets to send the raw bytes data over a random UDP IP and port.

I then made a separate opencv thread with the VideoCapture and I put in the random IP and port (I used 127.0.0.1:5000) after opening the VideoCapture, I made a conditional while loop that does the cap.read() and imshow stuff (this is where you can have a global variable instead and just use that as frame input for other things) . That's it!

When the program closes be sure to stop the loop in the thread and join() it so it stops correctly.

I'll refine and boil down my code then post it here very soon :smiley:

Also this really doesn't belong here anymore lol.

[malfonso0]

you can check de imutils videocapture... that does exactly what you said... open the capture in a thread and is able to open read and close.. and manage the thread internally

[gemSquared]

I got it! Even displays video inside the pygame window! All you need is the "Important Bit". And yes it works better the faster the cap.read() thread loops. So use the global cv2 buffer "vidOut". The latency using this seems less than quarter of a second except for the first few seconds after starting. Python 3 btw.

Controls:

• SPACE - quit
• RETURN - JPEG picture in the same folder the file is in (hopefully)
• Z - toggle zoom.

import pygame
import time

### vvv IMPORTANT BIT vvv ###
# Minimum you need to get video from tello using tellopy

import socket
import threading
import numpy as np
import cv2
import tellopy

vidOut = None    # Frame that can be used externally

stop_cam = False # Stop flag
cam_error = None # Error message can view or raise()
loopback = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
#loopback.bind(('127.0.0.123',1234))

def cam(): # RUN THE WHILE LOOP AS FAST AS POSSIBLE!
##           VIDEO DISTORTION OTHERWISE! Use vidOut buffer :)
    try:
        global vidOut
        global stop_cam
        global cam_error
        cap = cv2.VideoCapture("udp://@127.0.0.1:5000") # Random address
        if not cap.isOpened:
            cap.open()
        while not stop_cam:
            res, vidOut = cap.read()
    except Exception as e:
        cam_error = e
    finally:
        cap.release()
        print("Video Stream stopped.")

camt = threading.Thread(None,cam) # Start thread
camt.start()

def videoFrameHandler(event, sender, data):   # Video Frame loopback
    loopback.sendto(data,('127.0.0.1',5000)) # Random address

drone = tellopy.Tello()
drone.connect()
drone.start_video()
drone.subscribe(drone.EVENT_VIDEO_FRAME, videoFrameHandler)

### ^^^ IMPORTANT BIT ^^^ ###

### vvv Insignificant test code vvv ###
"""
    Simple stuff. For testing. Add your control code here.
    Right now, only these buttons work:
        SPACE  - Quit
        RETURN - Take JPEG and put in the same folder
                 as this file is in (probably)
        z      - Toggle 4:3 960x720 or 16:9 1280x720

    You can also display video to pygame by doing:
        frame = cv2.cvtColor(vidOut, cv2.COLOR_BGR2RGB)
        frame = np.rot90(frame)
        frame = np.flipud(frame)
        frame = pygame.surfarray.make_surface(frame)
        pygameWindow.blit(frame,(0,0))
    Just make sure the pygame window fits the frame
    or rezise to fit.
"""

def flightDataHandler(event, sender, data):
    #print(data)
    pass

def handleFileReceived(event, sender, data):
    global date_fmt
    # Create a file in the same folder as program (hopefully)
    path = 'tello' + str(int(time.time())) + '.jpeg'
    with open(path, 'wb') as fd:
        fd.write(data)
drone.subscribe(drone.EVENT_FILE_RECEIVED, handleFileReceived)
drone.subscribe(drone.EVENT_FLIGHT_DATA, flightDataHandler)

pygame.init()
pygameWindow = pygame.display.set_mode((1280,720))
pygame.display.set_caption("YAY!")
clock = pygame.time.Clock()

try:
    done = False
    while not done:
        for e in pygame.event.get():
            if e.type == pygame.KEYDOWN:
                if e.key == pygame.K_SPACE:
                    done = True
                if e.key == pygame.K_RETURN:
                    drone.take_picture()
                if e.key == pygame.K_z:
                    drone.set_video_mode(not drone.zoom)

        try:
            frame = cv2.cvtColor(vidOut, cv2.COLOR_BGR2RGB)
            frame = np.rot90(frame)
            frame = np.flipud(frame)
            frame = pygame.surfarray.make_surface(frame)
            pygameWindow.fill((0,0,0))
            pygameWindow.blit(frame,(0,0))
        except:
            pygameWindow.fill((0,0,255))

        pygame.display.update()
        clock.tick(30)
finally:
    stop_cam = True
    camt.join()
    drone.quit()
    pygame.quit()
    cv2.destroyAllWindows()
    time.sleep(3)
    print("END")