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

[Marton Balint]

On Sat, 1 Sep 2018, Mustafa Al Ani wrote:


It means that ffmpeg has found the card but Decklink SDK can NOT enable
video input.

You need to configure your decklink inputs and outputs using either
decklink desktop video or decklink SDK.


Alternatively you can also use the -duplex_mode option to set half duplex 
mode.


Regards,
Marton
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Re: [FFmpeg-user] Decklink quad 2 - video input/output error

[Mustafa Al Ani]

It means that ffmpeg has found the card but Decklink SDK can NOT enable
video input.

You need to configure your decklink inputs and outputs using either
decklink desktop video or decklink SDK.

/Mustafa

On Sat, Sep 1, 2018 at 8:42 AM Remo Rayamajhi 
wrote:

> 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@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
> '*
> 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
>   libavformat58. 17.103 / 58. 17.103
>   libavdevice58.  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
>   libpostproc55.  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
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[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@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
'*
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
  libavformat58. 17.103 / 58. 17.103
  libavdevice58.  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
  libpostproc55.  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
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