[FFmpeg-devel] [PATCH] doc/outdevs: Add declink signal generator example

Devin Heitmueller dheitmueller at ltnglobal.com
Fri Mar 9 22:38:18 EET 2018

>> +ffmpeg -re -f lavfi -i "testsrc=s=1920x1080:rate=30000/1000" -f lavfi -i "sine=frequency=1000:sample_rate=48000" +        -ac 2 -acodec pcm_s16le -pix_fmt uyvy422 -format_code Hi30 -f decklink 'DeckLink Studio 2'
> You should not need the -re flag, the decklink outdev blocks if it gets too many frames and because of this the "encoding" speed should be limited to realtime even without -re. Or you see something different?

Also, isn’t -format_code a capture parameter?  Is it even valid to provide that on output?

I had plans to add support for -format_code for output - if it’s already working then that’s great.


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