[FFmpeg-user] Slight blur on converted video

Erik Dobberkau erik.dobberkau at gmail.com
Thu Mar 23 19:22:04 EET 2017


2017-03-23 18:12 GMT+01:00 Erik Dobberkau <erik.dobberkau at gmail.com>:

> ffmpeg -y -i in.mxf -r 25 -vf settb=1/25 -flags +ilme+ildct -timecode
>> 00:00:00:00 -acodec pcm_s16le -filter_complex "[:1:a][:2:a]amerge=inputs=2[aout]"
>> -map "[aout]" -map 0:0 -qscale:v 6 -vcodec prores_ks -profile:v 1
>> -video_track_timescale 25 -copytb -1 out.mov
>>
>>
> This will give you ProRes LT, I suppose this is intended? Do you also
> generate the same format (i.e. resolution, scan, bitrate/profile) from AME?
>
>
>> MP4 Conversion:
>> ffmpeg -y -i in.mp4 -acodec pcm_s16le -vcodec prores_ks -profile:v 1 -vf
>> scale=interl=1 -sws_flags full_chroma_inp+full_chroma_int -copytb -1
>> out.mov
>>
>
> Same here, and did you test if removing the +full_chroma_int flag made a
> difference?
>
>

I also wonder if you have to set -pix_fmt yuv422p10le manually, or if the
encoder does this automatically...and/or using -vtag apch and/or -vendor
ap10 would make a difference.


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