Hi - does anyone know how I can export to this exact format? I can get almost there with Adobe MC, Telestream, Vegas, etc - but cant get the "closed GOP every GOP" sorted.

Would FFMPEG do it? If so - how the hell do I use it? :/ Will pay for someone to set it up for me.

HD File Delivery Specification
“Wrapper”
MXF OP1A
Video CODEC
XDCAMHD 422
Frame Rate
25 frames per second
Video Format
1080i25, interlaced, top field first
MPEG Profile
MPEG-2 422P@HL
Resolution
1920 x 1080
GOP
· 12 frame GOP
· Closed GOP, every GOP
· GOP header on every sequence
· Sequence header on every GOP
Timecode
· TC in every GOP header
· Timecode to start from 10:00:00:00
Intra_DC_precision
10 or higher
Bit Rate
50 Mb/s Constant Bit Rate
Audio Format
· 24 bit depth
· 48 kHz sampling rate
· PCM
Audio Range
· Peaks -9/10dBfs (6ppm)
· Average Dialogue - 16dBfs
· Average Music -12dBFs
· Low level - 24dBS

Audio tracks 1&2
Stereo English Language