[FFmpeg-user] Decklink quad 2 - video input/output error

[Remo Rayamajhi]

Hello guys

I have compile ffmeg with the decklink quad 2 card , i have install the
.deb file and required SDK file . when i run the command it give me error

root at ubuntu:/usr/local/nettv# *ffmpeg -f decklink -i 'DeckLink Quad (7)@8'
-pix_fmt yuv420p -vf "yadif=0:-1:0" -acodec aac -af "volume=7,atempo=1" -r
25 -b:a 128k -ar 48000 -c:v nvenc -gpu 0 -vprofile baseline -threads 0 -b:v
1600k -g 60 -f flv
'rtmp://admin:admin@192.168.0.44:1935/test/STAR1500.stream
<http://admin:admin@192.168.0.44:1935/test/STAR1500.stream>'*
ffmpeg version N-91697-g45499e5 Copyright (c) 2000-2018 the FFmpeg
developers
  built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.10) 20160609
  configuration: --prefix=/root/ffmpeg_build --pkg-config-flags=--static
--extra-cflags=-I/root/ffmpeg_build/include
--extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --enable-gpl
--enable-libass --enable-libfdk-aac --enable-libfreetype
--enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx
--enable-libx264 --enable-cuda --enable-cuvid --enable-nvenc
--extra-cflags=-I/usr/local/cuda-9.2/include
--extra-ldflags=-L/usr/local/cuda-9.2/lib64 --enable-decklink
--*extra-cflags=-I/usr/local/include/Linux/include
--extra-ldflags=-L/usr/local/include/Linux/include* --enable-nonfree
  libavutil      56. 19.100 / 56. 19.100
  libavcodec     58. 25.100 / 58. 25.100
  libavformat    58. 17.103 / 58. 17.103
  libavdevice    58.  4.101 / 58.  4.101
  libavfilter     7. 26.100 /  7. 26.100
  libswscale      5.  2.100 /  5.  2.100
  libswresample   3.  2.100 /  3.  2.100
  libpostproc    55.  2.100 / 55.  2.100
[decklink @ 0x2e29880] The @mode syntax is deprecated and will be removed.
Please use the -format_code option.
[decklink @ 0x2e29880] Found Decklink mode 1920 x 1080 with rate 50.00
[decklink @ 0x2e29880] Cannot enable video input
DeckLink Quad (7)@8: Input/output error