[FFmpeg-user] VC3 coding
tim.nicholson at bbc.co.uk
Tue Mar 29 15:25:04 CEST 2011
I have had VC3 coding running happily with:-
ffmpeg -i <infile> -s 1920x1080 -r 25 -vcodec dnxhd -b 120Mbps -f
rawvideo -flags +ildct out.dnx
Which I then mxf wrap and all is good.
After updating ffmpeg to a very recent git I modified the line to
ffmpeg -i <infile> -s 1920x1080 -r 25 -vcodec dnxhd -b 120M -f rawvideo
-flags +ildct out.dnx
To reflect the API change for bit rate.
Which processes happily. However after mxfwrapping and inspecting in
Avid I only get the top half of the picture...
Since the only change had been ffmpeg, and the minor tweak to the
command line I believe that this must be due to some internal change in
ffmpeg. The question is what?
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