El 10/04/18 a las 18:14, Paul B Mahol escribió:
On 4/10/18, Matt Kitcat <m...@elmtreecottages.co.uk> wrote:

But I would also like to be able to generate DNxHR 444 and hqx as well.

Both are already supported, update your obsolete ffmpeg version.
I verified they are supported, but you need to be extremely careful with the flags you pass to ffmpeg.  You also need to be careful with the resolution of your images as that effects the bitrate ( -b:v ). And as Carl pointed out, the frame rate must be a fraction and that fraction must be a valid fraction by the AVID specs.

For DNxHR 444, this line should do it:

$ ffmpeg -i test.%04d.tif -r 60000/1001 -codec:v dnxhd -profile:v dnxhr_444 -b:v 880M  -pix_fmt yuv444p10 -y test_hr444.mov

For DNxHQX, the following line should do it:

$ ffmpeg -i test.%04d.tif -r 60000/1001 -codec:v dnxhd -profile:v dnxhr_hqx -b:v 880M  -pix_fmt yuv420p10 -y test_hqx.mov

--
Gonzalo Garramuño

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