>> +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.

ffmpeg-devel mailing list

Reply via email to