[FFmpeg-user] Convert images to DNXHD 444

Carl Eugen Hoyos ceffmpeg at gmail.com
Tue Apr 10 13:37:32 EEST 2018


2018-04-09 23:08 GMT+02:00, Wayne Poll <WPoll at nhnz.tv>:

>> ffmpeg -r 23.976 -i
>> C:\Users\Matt\Desktop\Newfolder\104_0020gn_01_X1_0%3d.tif -c:v dnxhd
>> -profile:v dnxhr_444  -s 1920x1080 -r 23.976  -y
>> C:\Users\Matt\Desktop\Newfolder\bt.mov
>>
>> This creates a file similar to quicktime export setting: 1080/23.976
>> DNxHD
>> 444 10 bit
>>
>> ffmpeg reports
>> Supported pixel formats: yuv422p yuv422p10le yuv444p10le gbrp10le
>>
>> So in fact I don't really want to create DNxHR but DNxHD 444 format. I
>> would have thought that could be possible?
>
> It is possible but the 440 profile isn't valid for 23.98fps material - you
> should be using DNxHD 350x for 10-bit 4:4:4 RGB @ 23.98fps. The DNxHD 440
> (8-bit) and DNxHD 440x (10-bit) are only valid at higher frame rates, such
> as 29.97p, 59.94p and 60p

How can I reproduce this?
Apart from being unmaintainable and outdated, I removed the
frame-rates from the help text of the encoder because I couldn't
find a player that refuses "invalid" frame-rates.

Carl Eugen


More information about the ffmpeg-user mailing list