On Fri, Mar 9, 2018 at 3:38 PM, Devin Heitmueller <dheitmuel...@ltnglobal.com> wrote: > >>> +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?
If don't use -re I get an average of ~31 fps and speed 1.03x, but with -re the status stays at 30 fps and 1x. No idea why the difference. > 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. You are right, -format_code does not appear to do anything for the output. > Devin > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
