Cameras not found with AVFoundation - EL Capitan

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When i try to list cameras ffscreencast cant find any
ffscreencast -c --dry
Available devices:

Enter device number: 0
Wrong device number

No Camera Devices found, with ffmpeg all devices found and working
ffmpeg -f avfoundation -list_devices true -i ""

AVFoundation video devices:
[AVFoundation input device @ 0x7ff80b497440] [0] CamTwist
[AVFoundation input device @ 0x7ff80b497440] [1] Built-in iSight
[AVFoundation input device @ 0x7ff80b497440] [2] CamTwist (2VUY)
[AVFoundation input device @ 0x7ff80b497440] [3] Capture screen 0
[AVFoundation input device @ 0x7ff80b497440] AVFoundation audio devices:
[AVFoundation input device @ 0x7ff80b497440] [0] Soundflower (64ch)
[AVFoundation input device @ 0x7ff80b497440] [1] Built-in Microphone
[AVFoundation input device @ 0x7ff80b497440] [2] Soundflower (2ch)
[AVFoundation input device @ 0x7ff80b497440] [3] Built-in Input

FFmpeg config
ffmpeg version 3.4 Copyright (c) 2000-2017 the FFmpeg developers
built with Apple LLVM version 8.0.0 (clang-800.0.42.1)
configuration: --prefix=/usr/local/Cellar/ffmpeg/3.4 --enable-shared --enable-pthreads --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags='-I/Library/Java/JavaVirtualMachines/jdk1.8.0_73.jdk/Contents/Home/include -I/Library/Java/JavaVirtualMachines/jdk1.8.0_73.jdk/Contents/Home/include/darwin' --host-ldflags= --enable-gpl --enable-chromaprint --enable-ffplay --enable-frei0r --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfdk-aac --enable-libfontconfig --enable-libfreetype --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopus --enable-librtmp --enable-librubberband --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtesseract --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libzimg --enable-libzmq --enable-opencl --enable-videotoolbox --enable-openssl --enable-lzma --enable-libopenjpeg --disable-decoder=jpeg2000 --extra-cflags=-I/usr/local/Cellar/openjpeg/2.3.0/include/openjpeg-2.3 --enable-nonfree
libavutil 55. 78.100 / 55. 78.100
libavcodec 57.107.100 / 57.107.100
libavformat 57. 83.100 / 57. 83.100
libavdevice 57. 10.100 / 57. 10.100
libavfilter 6.107.100 / 6.107.100
libavresample 3. 7. 0 / 3. 7. 0
libswscale 4. 8.100 / 4. 8.100
libswresample 2. 9.100 / 2. 9.100
libpostproc 54. 7.100 / 54. 7.100

Any workaround as i read you are not anymore on OSX , open for experiments