Unable to install opencv with ffmpeg about conda-opencv

[patricksnape]

I am unable to support builds other than the one given here. Furthermore, I suggest you use the conda-forge builds here as this repository will not be updated further

[MonaTanggg]

it is a conda bug for me, i downgrade conda to
conda install conda=4.0.11
then it work

[sampleref]

Steps from http://www.erogol.com/installing-opencv-3-2-anaconda-environment-ffmpeg-support/

and

This Cmake command helped me.

cmake -DWITH_CUDA=OFF -DBUILD_TIFF=ON -DBUILD_opencv_java=ON -DWITH_FFMPEG=ON -DBUILD_opencv_python3=ON -DENABLE_AVX=ON -DWITH_OPENGL=ON -DWITH_OPENCL=ON -DWITH_IPP=ON -DWITH_TBB=ON -DWITH_EIGEN=ON -DWITH_V4L=ON -DWITH_VTK=OFF -DBUILD_TESTS=OFF -DBUILD_PERF_TESTS=OFF -DCMAKE_BUILD_TYPE=RELEASE -DBUILD_opencv_python2=OFF -DCMAKE_INSTALL_PREFIX=$(python3 -c "import sys; print(sys.prefix)") -DPYTHON3_EXECUTABLE=$(which python3) -DPYTHON3_INCLUDE_DIR=$(python3 -c "from distutils.sysconfig import get_python_inc; print(get_python_inc())") -DPYTHON3_PACKAGES_PATH=$(python3 -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())") -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D INSTALL_PYTHON_EXAMPLES=ON -D INSTALL_C_EXAMPLES=OFF -D PYTHON_EXECUTABLE=/home/user/anaconda3/bin/python -D BUILD_EXAMPLES=ON -DCMAKE_BUILD_TYPE=RELEASE ..