sudo pip3 install dist/*.whl
/usr/lib/python3/dist-packages/OpenSSL/_util.py:6: CryptographyDeprecationWarning: Python 3.5 support will be dropped in the next release of cryptography. Please upgrade your Python.
  from cryptography.hazmat.bindings.openssl.binding import Binding
Processing ./dist/aiortc-1.0.0-cp35-cp35m-linux_armv7l.whl
Collecting pyee>=6.0.0 (from aiortc==1.0.0)
  Using cached https://files.pythonhosted.org/packages/0d/0a/933b3931107e1da186963fd9bb9bceb9a613cff034cb0fb3b0c61003f357/pyee-8.1.0-py2.py3-none-any.whl
Requirement already satisfied: cffi>=1.0.0 in /usr/local/lib/python3.5/dist-packages (from aiortc==1.0.0)
Collecting crc32c (from aiortc==1.0.0)
  Using cached https://www.piwheels.org/simple/crc32c/crc32c-2.2-cp35-cp35m-linux_armv7l.whl
Collecting dataclasses (from aiortc==1.0.0)
  Using cached https://files.pythonhosted.org/packages/26/2f/1095cdc2868052dd1e64520f7c0d5c8c550ad297e944e641dbf1ffbb9a5d/dataclasses-0.6-py3-none-any.whl
Collecting pylibsrtp>=0.5.6 (from aiortc==1.0.0)
Requirement already satisfied: cryptography>=2.2 in /usr/local/lib/python3.5/dist-packages (from aiortc==1.0.0)
Collecting av<9.0.0,>=8.0.0 (from aiortc==1.0.0)
  Using cached https://files.pythonhosted.org/packages/08/bf/83b16b2ef4f414e1a127d484e1617d14c2e09c2b258dd6df4780a9dbb4d7/av-8.0.2.tar.gz
Collecting aioice<0.7.0,>=0.6.17 (from aiortc==1.0.0)
  Using cached https://files.pythonhosted.org/packages/8b/86/e3cdf660b67da7a9a7013253db5db7cf786a52296cb40078db1206177698/aioice-0.6.18-py3-none-any.whl
Requirement already satisfied: pycparser in /usr/local/lib/python3.5/dist-packages (from cffi>=1.0.0->aiortc==1.0.0)
Requirement already satisfied: six>=1.4.1 in /usr/lib/python3/dist-packages (from cryptography>=2.2->aiortc==1.0.0)
Collecting netifaces (from aioice<0.7.0,>=0.6.17->aiortc==1.0.0)
  Using cached https://www.piwheels.org/simple/netifaces/netifaces-0.10.9-cp35-cp35m-linux_armv7l.whl
Building wheels for collected packages: av
  Running setup.py bdist_wheel for av ... error
  Complete output from command /usr/bin/python3 -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-wmhrif23/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 /tmp/tmpwoqxzm5jpip-wheel- --python-tag cp35:
  running bdist_wheel
  running build
  running build_py
  creating build
  creating build/lib.linux-armv7l-3.5
  creating build/lib.linux-armv7l-3.5/av
  copying av/deprecation.py -> build/lib.linux-armv7l-3.5/av
  copying av/datasets.py -> build/lib.linux-armv7l-3.5/av
  copying av/__init__.py -> build/lib.linux-armv7l-3.5/av
  copying av/__main__.py -> build/lib.linux-armv7l-3.5/av
  creating build/lib.linux-armv7l-3.5/av/video
  copying av/video/__init__.py -> build/lib.linux-armv7l-3.5/av/video
  creating build/lib.linux-armv7l-3.5/av/audio
  copying av/audio/__init__.py -> build/lib.linux-armv7l-3.5/av/audio
  creating build/lib.linux-armv7l-3.5/av/codec
  copying av/codec/__init__.py -> build/lib.linux-armv7l-3.5/av/codec
  creating build/lib.linux-armv7l-3.5/av/container
  copying av/container/__init__.py -> build/lib.linux-armv7l-3.5/av/container
  creating build/lib.linux-armv7l-3.5/av/subtitles
  copying av/subtitles/__init__.py -> build/lib.linux-armv7l-3.5/av/subtitles
  creating build/lib.linux-armv7l-3.5/av/data
  copying av/data/__init__.py -> build/lib.linux-armv7l-3.5/av/data
  creating build/lib.linux-armv7l-3.5/av/filter
  copying av/filter/__init__.py -> build/lib.linux-armv7l-3.5/av/filter
  creating build/lib.linux-armv7l-3.5/av/sidedata
  copying av/sidedata/__init__.py -> build/lib.linux-armv7l-3.5/av/sidedata
  running build_ext
  running config
  PyAV: 8.0.2 (unknown commit)
  Python: 3.5.3 (default, Sep 27 2018, 17:25:39) \n[GCC 6.3.0 20170516]
  platform: Linux-4.19.66-v7+-armv7l-with-debian-9.11
  extension_extra:
  	library_dirs: []
  	include_dirs: [b'include', b'/usr/include/arm-linux-gnueabihf']
  	libraries: [b'avformat', b'avcodec', b'avdevice', b'avutil', b'avfilter', b'swscale', b'swresample']
  	runtime_library_dirs: []
  	define_macros: []
  config_macros:
  	PYAV_COMMIT_STR="unknown-commit"
  	PYAV_VERSION=8.0.2
  	PYAV_VERSION_STR="8.0.2"
  writing build/temp.linux-armv7l-3.5/include/pyav/config.h
  running cythonize
  building 'av.option' extension
  creating build/temp.linux-armv7l-3.5/src
  creating build/temp.linux-armv7l-3.5/src/av
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/option.c -o build/temp.linux-armv7l-3.5/src/av/option.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/option.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/option.cpython-35m-arm-linux-gnueabihf.so
  building 'av.frame' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/frame.c -o build/temp.linux-armv7l-3.5/src/av/frame.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/frame.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/frame.cpython-35m-arm-linux-gnueabihf.so
  building 'av.bytesource' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/bytesource.c -o build/temp.linux-armv7l-3.5/src/av/bytesource.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/bytesource.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/bytesource.cpython-35m-arm-linux-gnueabihf.so
  building 'av.utils' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/utils.c -o build/temp.linux-armv7l-3.5/src/av/utils.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/utils.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/utils.cpython-35m-arm-linux-gnueabihf.so
  building 'av.descriptor' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/descriptor.c -o build/temp.linux-armv7l-3.5/src/av/descriptor.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/descriptor.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/descriptor.cpython-35m-arm-linux-gnueabihf.so
  building 'av.packet' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/packet.c -o build/temp.linux-armv7l-3.5/src/av/packet.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/packet.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/packet.cpython-35m-arm-linux-gnueabihf.so
  building 'av.buffer' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/buffer.c -o build/temp.linux-armv7l-3.5/src/av/buffer.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/buffer.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/buffer.cpython-35m-arm-linux-gnueabihf.so
  building 'av.plane' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/plane.c -o build/temp.linux-armv7l-3.5/src/av/plane.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/plane.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/plane.cpython-35m-arm-linux-gnueabihf.so
  building 'av.dictionary' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/dictionary.c -o build/temp.linux-armv7l-3.5/src/av/dictionary.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/dictionary.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/dictionary.cpython-35m-arm-linux-gnueabihf.so
  building 'av._core' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/_core.c -o build/temp.linux-armv7l-3.5/src/av/_core.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/_core.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/_core.cpython-35m-arm-linux-gnueabihf.so
  building 'av.enum' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/enum.c -o build/temp.linux-armv7l-3.5/src/av/enum.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/enum.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/enum.cpython-35m-arm-linux-gnueabihf.so
  building 'av.stream' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/stream.c -o build/temp.linux-armv7l-3.5/src/av/stream.o
  src/av/stream.c: In function ‘__pyx_f_2av_6stream_wrap_stream’:
  src/av/stream.c:2232:3: warning: ‘codec’ is deprecated [-Wdeprecated-declarations]
     switch (__pyx_v_c_stream->codec->codec_type) {
     ^~~~~~
  In file included from /usr/include/arm-linux-gnueabihf/libavdevice/avdevice.h:51:0,
                   from src/av/stream.c:673:
  /usr/include/arm-linux-gnueabihf/libavformat/avformat.h:893:21: note: declared here
       AVCodecContext *codec;
                       ^~~~~
  src/av/stream.c: In function ‘__pyx_f_2av_6stream_6Stream__init’:
  src/av/stream.c:2850:3: warning: ‘codec’ is deprecated [-Wdeprecated-declarations]
     __pyx_t_1 = __pyx_v_stream->codec;
     ^~~~~~~~~
  In file included from /usr/include/arm-linux-gnueabihf/libavdevice/avdevice.h:51:0,
                   from src/av/stream.c:673:
  /usr/include/arm-linux-gnueabihf/libavformat/avformat.h:893:21: note: declared here
       AVCodecContext *codec;
                       ^~~~~
  src/av/stream.c:2970:15: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
       __pyx_t_6 = __pyx_v_self->_codec_context->codec;
                 ^
  src/av/stream.c: In function ‘__pyx_f_2av_6stream_6Stream__finalize_for_output’:
  src/av/stream.c:3663:3: warning: ‘codec’ is deprecated [-Wdeprecated-declarations]
     __pyx_t_7 = __pyx_f_2av_5error_err_check(avcodec_parameters_from_context(__pyx_v_self->_stream->codecpar, __pyx_v_self->_stream->codec), 0, NULL); if (unlikely(__pyx_t_7 == ((int)-1))) __PYX_ERR(0, 141, __pyx_L1_error)
     ^~~~~~~~~
  In file included from /usr/include/arm-linux-gnueabihf/libavdevice/avdevice.h:51:0,
                   from src/av/stream.c:673:
  /usr/include/arm-linux-gnueabihf/libavformat/avformat.h:893:21: note: declared here
       AVCodecContext *codec;
                       ^~~~~
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/stream.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/stream.cpython-35m-arm-linux-gnueabihf.so
  building 'av.error' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/error.c -o build/temp.linux-armv7l-3.5/src/av/error.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/error.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/error.cpython-35m-arm-linux-gnueabihf.so
  building 'av.logging' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/logging.c -o build/temp.linux-armv7l-3.5/src/av/logging.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/logging.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/logging.cpython-35m-arm-linux-gnueabihf.so
  building 'av.format' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/format.c -o build/temp.linux-armv7l-3.5/src/av/format.o
  src/av/format.c: In function ‘__pyx_f_2av_6format_find_output_format’:
  src/av/format.c:3150:19: warning: implicit declaration of function ‘av_muxer_iterate’ [-Wimplicit-function-declaration]
       __pyx_v_ptr = av_muxer_iterate((&__pyx_v_opaque));
                     ^~~~~~~~~~~~~~~~
  src/av/format.c:3150:17: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
       __pyx_v_ptr = av_muxer_iterate((&__pyx_v_opaque));
                   ^
  src/av/format.c: In function ‘__pyx_f_2av_6format_get_output_format_names’:
  src/av/format.c:3301:17: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
       __pyx_v_ptr = av_muxer_iterate((&__pyx_v_opaque));
                   ^
  src/av/format.c: In function ‘__pyx_f_2av_6format_get_input_format_names’:
  src/av/format.c:3440:19: warning: implicit declaration of function ‘av_demuxer_iterate’ [-Wimplicit-function-declaration]
       __pyx_v_ptr = av_demuxer_iterate((&__pyx_v_opaque));
                     ^~~~~~~~~~~~~~~~~~
  src/av/format.c:3440:17: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
       __pyx_v_ptr = av_demuxer_iterate((&__pyx_v_opaque));
                   ^
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/format.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/format.cpython-35m-arm-linux-gnueabihf.so
  building 'av.video.frame' extension
  creating build/temp.linux-armv7l-3.5/src/av/video
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/video/frame.c -o build/temp.linux-armv7l-3.5/src/av/video/frame.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/video/frame.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/video/frame.cpython-35m-arm-linux-gnueabihf.so
  building 'av.video.plane' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/video/plane.c -o build/temp.linux-armv7l-3.5/src/av/video/plane.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/video/plane.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/video/plane.cpython-35m-arm-linux-gnueabihf.so
  building 'av.video.codeccontext' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/video/codeccontext.c -o build/temp.linux-armv7l-3.5/src/av/video/codeccontext.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/video/codeccontext.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/video/codeccontext.cpython-35m-arm-linux-gnueabihf.so
  building 'av.video.reformatter' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/video/reformatter.c -o build/temp.linux-armv7l-3.5/src/av/video/reformatter.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/video/reformatter.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/video/reformatter.cpython-35m-arm-linux-gnueabihf.so
  building 'av.video.stream' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/video/stream.c -o build/temp.linux-armv7l-3.5/src/av/video/stream.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/video/stream.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/video/stream.cpython-35m-arm-linux-gnueabihf.so
  building 'av.video.format' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/video/format.c -o build/temp.linux-armv7l-3.5/src/av/video/format.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/video/format.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/video/format.cpython-35m-arm-linux-gnueabihf.so
  building 'av.audio.frame' extension
  creating build/temp.linux-armv7l-3.5/src/av/audio
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/audio/frame.c -o build/temp.linux-armv7l-3.5/src/av/audio/frame.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/audio/frame.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/audio/frame.cpython-35m-arm-linux-gnueabihf.so
  building 'av.audio.layout' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/audio/layout.c -o build/temp.linux-armv7l-3.5/src/av/audio/layout.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/audio/layout.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/audio/layout.cpython-35m-arm-linux-gnueabihf.so
  building 'av.audio.resampler' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/audio/resampler.c -o build/temp.linux-armv7l-3.5/src/av/audio/resampler.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/audio/resampler.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/audio/resampler.cpython-35m-arm-linux-gnueabihf.so
  building 'av.audio.plane' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/audio/plane.c -o build/temp.linux-armv7l-3.5/src/av/audio/plane.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/audio/plane.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/audio/plane.cpython-35m-arm-linux-gnueabihf.so
  building 'av.audio.codeccontext' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/audio/codeccontext.c -o build/temp.linux-armv7l-3.5/src/av/audio/codeccontext.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/audio/codeccontext.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/audio/codeccontext.cpython-35m-arm-linux-gnueabihf.so
  building 'av.audio.stream' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/audio/stream.c -o build/temp.linux-armv7l-3.5/src/av/audio/stream.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/audio/stream.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/audio/stream.cpython-35m-arm-linux-gnueabihf.so
  building 'av.audio.fifo' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/audio/fifo.c -o build/temp.linux-armv7l-3.5/src/av/audio/fifo.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/audio/fifo.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/audio/fifo.cpython-35m-arm-linux-gnueabihf.so
  building 'av.audio.format' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/audio/format.c -o build/temp.linux-armv7l-3.5/src/av/audio/format.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/audio/format.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/audio/format.cpython-35m-arm-linux-gnueabihf.so
  building 'av.codec.context' extension
  creating build/temp.linux-armv7l-3.5/src/av/codec
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/codec/context.c -o build/temp.linux-armv7l-3.5/src/av/codec/context.o
  arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/codec/context.o -lavcodec -lavutil -lswresample -lavfilter -lswscale -lavformat -lavdevice -o build/lib.linux-armv7l-3.5/av/codec/context.cpython-35m-arm-linux-gnueabihf.so
  building 'av.codec.codec' extension
  arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -Iinclude -I/usr/include/python3.5m -I/usr/include/arm-linux-gnueabihf -Ibuild/temp.linux-armv7l-3.5/include -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/codec/codec.c -o build/temp.linux-armv7l-3.5/src/av/codec/codec.o
  src/av/codec/codec.c: In function ‘__pyx_f_2av_5codec_5codec_get_codec_names’:
  src/av/codec/codec.c:4003:19: warning: implicit declaration of function ‘av_codec_iterate’ [-Wimplicit-function-declaration]
       __pyx_v_ptr = av_codec_iterate((&__pyx_v_opaque));
                     ^~~~~~~~~~~~~~~~
  src/av/codec/codec.c:4003:17: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
       __pyx_v_ptr = av_codec_iterate((&__pyx_v_opaque));
                   ^
  src/av/codec/codec.c: In function ‘__pyx_pymod_exec_codec’:
  src/av/codec/codec.c:6117:36: error: ‘AV_CODEC_CAP_HARDWARE’ undeclared (first use in this function)
     __pyx_t_7 = __Pyx_PyInt_From_int(AV_CODEC_CAP_HARDWARE); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 121, __pyx_L1_error)
                                      ^~~~~~~~~~~~~~~~~~~~~
  src/av/codec/codec.c:6117:36: note: each undeclared identifier is reported only once for each function it appears in
  src/av/codec/codec.c:6138:36: error: ‘AV_CODEC_CAP_HYBRID’ undeclared (first use in this function)
     __pyx_t_7 = __Pyx_PyInt_From_int(AV_CODEC_CAP_HYBRID); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 125, __pyx_L1_error)
                                      ^~~~~~~~~~~~~~~~~~~
  error: command 'arm-linux-gnueabihf-gcc' failed with exit status 1
  
  ----------------------------------------
  Failed building wheel for av
  Running setup.py clean for av
Failed to build av
Installing collected packages: pyee, crc32c, dataclasses, pylibsrtp, av, netifaces, aioice, aiortc
  Running setup.py install for av ... /
  Complete output from command /usr/bin/python3 -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-wmhrif23/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 /tmp/pip-n289jlki-record/install-record.txt --single-version-externally-managed --compile:
    running install
    running build
    running build_py
    creating build
    creating build/lib.linux-armv7l-3.5
    creating build/lib.linux-armv7l-3.5/av
    copying av/deprecation.py -> build/lib.linux-armv7l-3.5/av
    copying av/datasets.py -> build/lib.linux-armv7l-3.5/av
    copying av/__init__.py -> build/lib.linux-armv7l-3.5/av
    copying av/__main__.py -> build/lib.linux-armv7l-3.5/av
    creating build/lib.linux-armv7l-3.5/av/video
    copying av/video/__init__.py -> build/lib.linux-armv7l-3.5/av/video
    creating build/lib.linux-armv7l-3.5/av/audio
    copying av/audio/__init__.py -> build/lib.linux-armv7l-3.5/av/audio
    creating build/lib.linux-armv7l-3.5/av/codec
    copying av/codec/__init__.py -> build/lib.linux-armv7l-3.5/av/codec
    creating build/lib.linux-armv7l-3.5/av/container
    copying av/container/__init__.py -> build/lib.linux-armv7l-3.5/av/container
    creating build/lib.linux-armv7l-3.5/av/subtitles
    copying av/subtitles/__init__.py -> build/lib.linux-armv7l-3.5/av/subtitles
    creating build/lib.linux-armv7l-3.5/av/data
    copying av/data/__init__.py -> build/lib.linux-armv7l-3.5/av/data
    creating build/lib.linux-armv7l-3.5/av/filter
    copying av/filter/__init__.py -> build/lib.linux-armv7l-3.5/av/filter
    creating build/lib.linux-armv7l-3.5/av/sidedata
    copying av/sidedata/__init__.py -> build/lib.linux-armv7l-3.5/av/sidedata
    running build_ext
    running config
    PyAV: 8.0.2 (unknown commit)
    Python: 3.5.3 (default, Sep 27 2018, 17:25:39) \n[GCC 6.3.0 20170516]
    platform: Linux-4.19.66-v7+-armv7l-with-debian-9.11
    extension_extra:
    	library_dirs: []
    	include_dirs: [b'include', b'/usr/include/arm-linux-gnueabihf']
    	runtime_library_dirs: []
    	define_macros: []
    	libraries: [b'avformat', b'avcodec', b'avdevice', b'avutil', b'avfilter', b'swscale', b'swresample']
    config_macros:
    	PYAV_COMMIT_STR="unknown-commit"
    	PYAV_VERSION=8.0.2
    	PYAV_VERSION_STR="8.0.2"
    writing build/temp.linux-armv7l-3.5/include/pyav/config.h
    running cythonize
    building 'av.option' extension
    creating build/temp.linux-armv7l-3.5/src
    creating build/temp.linux-armv7l-3.5/src/av
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/option.c -o build/temp.linux-armv7l-3.5/src/av/option.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/option.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/option.cpython-35m-arm-linux-gnueabihf.so
    building 'av.frame' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/frame.c -o build/temp.linux-armv7l-3.5/src/av/frame.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/frame.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/frame.cpython-35m-arm-linux-gnueabihf.so
    building 'av.bytesource' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/bytesource.c -o build/temp.linux-armv7l-3.5/src/av/bytesource.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/bytesource.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/bytesource.cpython-35m-arm-linux-gnueabihf.so
    building 'av.utils' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/utils.c -o build/temp.linux-armv7l-3.5/src/av/utils.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/utils.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/utils.cpython-35m-arm-linux-gnueabihf.so
    building 'av.descriptor' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/descriptor.c -o build/temp.linux-armv7l-3.5/src/av/descriptor.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/descriptor.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/descriptor.cpython-35m-arm-linux-gnueabihf.so
    building 'av.packet' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/packet.c -o build/temp.linux-armv7l-3.5/src/av/packet.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/packet.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/packet.cpython-35m-arm-linux-gnueabihf.so
    building 'av.buffer' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/buffer.c -o build/temp.linux-armv7l-3.5/src/av/buffer.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/buffer.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/buffer.cpython-35m-arm-linux-gnueabihf.so
    building 'av.plane' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/plane.c -o build/temp.linux-armv7l-3.5/src/av/plane.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/plane.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/plane.cpython-35m-arm-linux-gnueabihf.so
    building 'av.dictionary' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/dictionary.c -o build/temp.linux-armv7l-3.5/src/av/dictionary.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/dictionary.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/dictionary.cpython-35m-arm-linux-gnueabihf.so
    building 'av._core' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/_core.c -o build/temp.linux-armv7l-3.5/src/av/_core.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/_core.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/_core.cpython-35m-arm-linux-gnueabihf.so
    building 'av.enum' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/enum.c -o build/temp.linux-armv7l-3.5/src/av/enum.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/enum.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/enum.cpython-35m-arm-linux-gnueabihf.so
    building 'av.stream' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/stream.c -o build/temp.linux-armv7l-3.5/src/av/stream.o
    src/av/stream.c: In function ‘__pyx_f_2av_6stream_wrap_stream’:
    src/av/stream.c:2232:3: warning: ‘codec’ is deprecated [-Wdeprecated-declarations]
       switch (__pyx_v_c_stream->codec->codec_type) {
       ^~~~~~
    In file included from /usr/include/arm-linux-gnueabihf/libavdevice/avdevice.h:51:0,
                     from src/av/stream.c:673:
    /usr/include/arm-linux-gnueabihf/libavformat/avformat.h:893:21: note: declared here
         AVCodecContext *codec;
                         ^~~~~
    src/av/stream.c: In function ‘__pyx_f_2av_6stream_6Stream__init’:
    src/av/stream.c:2850:3: warning: ‘codec’ is deprecated [-Wdeprecated-declarations]
       __pyx_t_1 = __pyx_v_stream->codec;
       ^~~~~~~~~
    In file included from /usr/include/arm-linux-gnueabihf/libavdevice/avdevice.h:51:0,
                     from src/av/stream.c:673:
    /usr/include/arm-linux-gnueabihf/libavformat/avformat.h:893:21: note: declared here
         AVCodecContext *codec;
                         ^~~~~
    src/av/stream.c:2970:15: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
         __pyx_t_6 = __pyx_v_self->_codec_context->codec;
                   ^
    src/av/stream.c: In function ‘__pyx_f_2av_6stream_6Stream__finalize_for_output’:
    src/av/stream.c:3663:3: warning: ‘codec’ is deprecated [-Wdeprecated-declarations]
       __pyx_t_7 = __pyx_f_2av_5error_err_check(avcodec_parameters_from_context(__pyx_v_self->_stream->codecpar, __pyx_v_self->_stream->codec), 0, NULL); if (unlikely(__pyx_t_7 == ((int)-1))) __PYX_ERR(0, 141, __pyx_L1_error)
       ^~~~~~~~~
    In file included from /usr/include/arm-linux-gnueabihf/libavdevice/avdevice.h:51:0,
                     from src/av/stream.c:673:
    /usr/include/arm-linux-gnueabihf/libavformat/avformat.h:893:21: note: declared here
         AVCodecContext *codec;
                         ^~~~~
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/stream.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/stream.cpython-35m-arm-linux-gnueabihf.so
    building 'av.error' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/error.c -o build/temp.linux-armv7l-3.5/src/av/error.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/error.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/error.cpython-35m-arm-linux-gnueabihf.so
    building 'av.logging' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/logging.c -o build/temp.linux-armv7l-3.5/src/av/logging.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/logging.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/logging.cpython-35m-arm-linux-gnueabihf.so
    building 'av.format' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/format.c -o build/temp.linux-armv7l-3.5/src/av/format.o
    src/av/format.c: In function ‘__pyx_f_2av_6format_find_output_format’:
    src/av/format.c:3150:19: warning: implicit declaration of function ‘av_muxer_iterate’ [-Wimplicit-function-declaration]
         __pyx_v_ptr = av_muxer_iterate((&__pyx_v_opaque));
                       ^~~~~~~~~~~~~~~~
    src/av/format.c:3150:17: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
         __pyx_v_ptr = av_muxer_iterate((&__pyx_v_opaque));
                     ^
    src/av/format.c: In function ‘__pyx_f_2av_6format_get_output_format_names’:
    src/av/format.c:3301:17: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
         __pyx_v_ptr = av_muxer_iterate((&__pyx_v_opaque));
                     ^
    src/av/format.c: In function ‘__pyx_f_2av_6format_get_input_format_names’:
    src/av/format.c:3440:19: warning: implicit declaration of function ‘av_demuxer_iterate’ [-Wimplicit-function-declaration]
         __pyx_v_ptr = av_demuxer_iterate((&__pyx_v_opaque));
                       ^~~~~~~~~~~~~~~~~~
    src/av/format.c:3440:17: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
         __pyx_v_ptr = av_demuxer_iterate((&__pyx_v_opaque));
                     ^
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/format.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/format.cpython-35m-arm-linux-gnueabihf.so
    building 'av.video.frame' extension
    creating build/temp.linux-armv7l-3.5/src/av/video
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/video/frame.c -o build/temp.linux-armv7l-3.5/src/av/video/frame.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/video/frame.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/video/frame.cpython-35m-arm-linux-gnueabihf.so
    building 'av.video.plane' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/video/plane.c -o build/temp.linux-armv7l-3.5/src/av/video/plane.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/video/plane.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/video/plane.cpython-35m-arm-linux-gnueabihf.so
    building 'av.video.codeccontext' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/video/codeccontext.c -o build/temp.linux-armv7l-3.5/src/av/video/codeccontext.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/video/codeccontext.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/video/codeccontext.cpython-35m-arm-linux-gnueabihf.so
    building 'av.video.reformatter' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/video/reformatter.c -o build/temp.linux-armv7l-3.5/src/av/video/reformatter.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/video/reformatter.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/video/reformatter.cpython-35m-arm-linux-gnueabihf.so
    building 'av.video.stream' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/video/stream.c -o build/temp.linux-armv7l-3.5/src/av/video/stream.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/video/stream.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/video/stream.cpython-35m-arm-linux-gnueabihf.so
    building 'av.video.format' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/video/format.c -o build/temp.linux-armv7l-3.5/src/av/video/format.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/video/format.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/video/format.cpython-35m-arm-linux-gnueabihf.so
    building 'av.audio.frame' extension
    creating build/temp.linux-armv7l-3.5/src/av/audio
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/audio/frame.c -o build/temp.linux-armv7l-3.5/src/av/audio/frame.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/audio/frame.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/audio/frame.cpython-35m-arm-linux-gnueabihf.so
    building 'av.audio.layout' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/audio/layout.c -o build/temp.linux-armv7l-3.5/src/av/audio/layout.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/audio/layout.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/audio/layout.cpython-35m-arm-linux-gnueabihf.so
    building 'av.audio.resampler' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/audio/resampler.c -o build/temp.linux-armv7l-3.5/src/av/audio/resampler.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/audio/resampler.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/audio/resampler.cpython-35m-arm-linux-gnueabihf.so
    building 'av.audio.plane' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/audio/plane.c -o build/temp.linux-armv7l-3.5/src/av/audio/plane.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/audio/plane.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/audio/plane.cpython-35m-arm-linux-gnueabihf.so
    building 'av.audio.codeccontext' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/audio/codeccontext.c -o build/temp.linux-armv7l-3.5/src/av/audio/codeccontext.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/audio/codeccontext.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/audio/codeccontext.cpython-35m-arm-linux-gnueabihf.so
    building 'av.audio.stream' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/audio/stream.c -o build/temp.linux-armv7l-3.5/src/av/audio/stream.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/audio/stream.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/audio/stream.cpython-35m-arm-linux-gnueabihf.so
    building 'av.audio.fifo' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/audio/fifo.c -o build/temp.linux-armv7l-3.5/src/av/audio/fifo.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/audio/fifo.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/audio/fifo.cpython-35m-arm-linux-gnueabihf.so
    building 'av.audio.format' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/audio/format.c -o build/temp.linux-armv7l-3.5/src/av/audio/format.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/audio/format.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/audio/format.cpython-35m-arm-linux-gnueabihf.so
    building 'av.codec.context' extension
    creating build/temp.linux-armv7l-3.5/src/av/codec
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/codec/context.c -o build/temp.linux-armv7l-3.5/src/av/codec/context.o
    arm-linux-gnueabihf-gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,relro -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.5/src/av/codec/context.o -lswscale -lswresample -lavcodec -lavdevice -lavfilter -lavutil -lavformat -o build/lib.linux-armv7l-3.5/av/codec/context.cpython-35m-arm-linux-gnueabihf.so
    building 'av.codec.codec' extension
    arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -Iinclude -I/usr/include/arm-linux-gnueabihf -I/usr/include/python3.5m -Ibuild/temp.linux-armv7l-3.5/include -c src/av/codec/codec.c -o build/temp.linux-armv7l-3.5/src/av/codec/codec.o
    src/av/codec/codec.c: In function ‘__pyx_f_2av_5codec_5codec_get_codec_names’:
    src/av/codec/codec.c:4003:19: warning: implicit declaration of function ‘av_codec_iterate’ [-Wimplicit-function-declaration]
         __pyx_v_ptr = av_codec_iterate((&__pyx_v_opaque));
                       ^~~~~~~~~~~~~~~~
    src/av/codec/codec.c:4003:17: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
         __pyx_v_ptr = av_codec_iterate((&__pyx_v_opaque));
                     ^
    src/av/codec/codec.c: In function ‘__pyx_pymod_exec_codec’:
    src/av/codec/codec.c:6117:36: error: ‘AV_CODEC_CAP_HARDWARE’ undeclared (first use in this function)
       __pyx_t_7 = __Pyx_PyInt_From_int(AV_CODEC_CAP_HARDWARE); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 121, __pyx_L1_error)
                                        ^~~~~~~~~~~~~~~~~~~~~
    src/av/codec/codec.c:6117:36: note: each undeclared identifier is reported only once for each function it appears in
    src/av/codec/codec.c:6138:36: error: ‘AV_CODEC_CAP_HYBRID’ undeclared (first use in this function)
       __pyx_t_7 = __Pyx_PyInt_From_int(AV_CODEC_CAP_HYBRID); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 125, __pyx_L1_error)
                                        ^~~~~~~~~~~~~~~~~~~
    error: command 'arm-linux-gnueabihf-gcc' failed with exit status 1
    
    ----------------------------------------
Command "/usr/bin/python3 -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-wmhrif23/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 /tmp/pip-n289jlki-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /tmp/pip-build-wmhrif23/av/
pi@localhost:~/aiortc $