[FFmpeg-user] gain the highest quality with H264 at a certain bit rate

negin tebyani negin.tebyani at gmail.com
Mon Mar 27 18:50:21 EEST 2017


I am trying to reach that quality and using those parameters but the result
is still low quality..
you mean bufsize could affect the quality??
I removed zerolatency but I am not getting a impressive result.

On Mon, Mar 27, 2017 at 7:32 PM, Andy Furniss <adf.lists at gmail.com> wrote:

> negin tebyani wrote:
>
>> I have encoded my videos using ffmpeg and H264, and this is my ffmpeg
>> command (2 pass encoding):
>>
>
> I don't think 2 pass is needed for constant bitrate - but am in no way
> an expert on encoding.
>
> Look at the differences in the params you pasted ....
>
> bufsize 3000k (you) vs 5000k.
>
> possibly omit -tune zerolatency
>
> subme is different - maybe try -preset veryslow
>
> See what it looks like ...
>
> Can you post the master for these?
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