[FFmpeg-user] Output 10bit DNxHD in a .MXF container

[Tim Nicholson]

On 01/12/13 22:08, Carl Eugen Hoyos wrote:
> Steve C <natgeo.operations <at> gmail.com> writes:
> 
>> /ffmpeg -i /Users/me/NTSC_ProResHQ_DF_25sec.mov -an -c:v dnxhd 
>> -pix_fmt yuv422p10le -b:v 220000k -r 29.97 -s 1920x1080 
>                                       ^^^^^^^
> 
>> -aspect 16:9 -trellis 0 -me_range 16 -i_qfactor 0.71 -qmin 3 
>> -qmax 51 -sc_threshold 40 -sn -f mov -f mxf -threads 8 -y 
>> "/Users/me/NTSC_ProResHQ_DF_25sec.mxf"
>>
>> ffmpeg version 2.1-tessus
> 
> This looks old.
> 
>> [dnxhd  <at>  0x10201c400] Frame size: 1920x1080i; 
>> bitrate: 220Mbps; pixel format: yuv422p10; 
> 
>> framerate: 30000/1001
> 
> I don't think 30000/1001 equals 29.97

No it equals 29.97002997.... but I thought that was regarded as good enough.

> 
>[..]


-- 
Tim