ffmpeg \
-hide_banner \
-y \
-threads 0 \
-probesize 250M \
-channel_layout stereo \
\
-f decklink \
-bm_v210 0 \
-channels 2 \
-i 'DeckLink Studio 4K@9' \
\
-r 30000/1001 \
\
-vf yadif=1 \
-pix_fmt yuv422p \
-sc_threshold 0 \
-c:v libx264 \
-b:v 3500k \
-maxrate 4000k \
-bufsize 3500k \
-preset veryfast \
-profile:v high422 \
-strict -2 \
-movflags faststart \
-x264opts keyint=29:scenecut=-1 \
\
-c:a libfdk_aac \
-b:a 128k \
-ac 2 \
-af aresample=async=1000 \
-shortest \
\
-f segment \
-segment_time 60 \
-reset_timestamps 1 \
-strftime 1 \
files/%Y-%m-%d_%H-%M-%S%z.mp4