[FFmpeg-user] Slight blur on converted video

[Dave]

 Seranoe seems to be windows only? I am testing on a Mac at the moment but the final install will be on a Linux box.

> On 25 Mar 2017, at 1:08 am, Erik Dobberkau <erik.dobberkau at gmail.com> wrote:
> 
>> W dniu 2017-03-24 o 12:04, Dave pisze:
>> 
>>> To answer your suggestions Chronek:
>>> 
>>> I tried encoding with your suggested command line it was still pretty
>>> much the same.
>>> 
>>> 1) I downloaded a fresh copy of ffmpeg and compiled it and still had the
>>> same results
>>> 2) I am not really in a position to comment on
>>> 3) I assure you AME is using the same settings
>>> 4) Might be a possibility, I am a bit of a newbie when it comes to this.
>>> Below is the metadata for the original clip in case anything is lost in the
>>> cut down version.
>>> 
>>> The cut down version of the clip was created with QuickTime and you can
>>> download it here:
>>> 
>>> http://www.bit.st/screenshots/in.mp <http://www.bit.st/screenshots/in.mp>
>>> <http://www.bit.st/screenshots/in.mp4 <http://www.bit.st/screenshots/in.mp4>>
>> 
>> 
> I got a decent result with one of the latest zeranoe builds:
> 
> ffmpeg -i in.mp4 -c:v prores_ks -profile:v 1 -flags +ilme+ildct -top 1 -vf
> scale=interl=1 -sws_flags +full_chroma_inp+full_chroma_int -c:a pcm_s16le
> -ar 48000 -ac 2  dave_proresLT.mov
> 
> Setting sws_flags just makes a minimal difference. Vendor and vtag don't
> make any difference at all, except the writing library metadate. Pix_fmt is
> set automatically.
> 
> The standard prores encoder is even blurrier than prores_ks, but it's twice
> as fast on my machine. What's interesting, DNxHD remains just as sharp when
> using the intermediate bitrate (115/120/145M, 8bpc), in comparison -- so 2
> more bpc doesn't automatically give you a "better" result.
> 
> Erik
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