[FFmpeg-user] How to set interlaced encoding for interlcaed DNxHD formats (220x/185x/220/145/120)?

[Christoph Gerstbauer]

> Andy Furniss wrote:
>> Christoph Gerstbauer wrote:
>>> Hello,
>>>
>>> I have the problem that I cannot set interlaced as encoding format for
>>> DNxHD 220x/185x/220/145/120
>>> I think I use the wrong syntax for setting the field order:
>>>
>>> -vf "setfield=1"
>>> or
>>> -top 1
>>>
>>> both are not working.
>>
>> May not be any help with dnxhd but I made some x264 recently and had to
>> "say" twice like -
>>
>> -i infile -vf setfield=tff .... -x264-params "...:tff=1:..." ...
>
>
> http://www.itbroadcastanddigitalcinema.com/ffmpeg_howto.html#Encoding_VC-3 
>
>
> says use -flags +ildct (I guess you may need both setfield and top= 
> (or something as well)
>
Thank you, Andy!

"-flags +ildct" works   :)

best regards
Christoph