[FFmpeg-user] Running multiple ffmpeg commands with minimal loss in quality
wxcvbn2006 at iol.ie
Tue Jul 28 16:28:33 CEST 2015
On 27/07/15 11:54, Peter B. wrote:
> On 07/25/2015 11:53 AM, MrNice wrote:
>>> The standard approach to this kind of issue is to use (as close to)
>> losslessly encoded intermediate files as possible. I.e. either use a
>> codec designed for lossless encoding such as "HuffYUV", or use something
>> like x264 with "lossless" settings.
>> Why do you add " " around lossless for x264. Is x264 still lossy even
>> with "lossless" setting?
> Don't worry: x264-lossless is really lossless.
> At least, according to my tests:
> What might also be interesting is, that these tests show that FFV1.3
> encodes and decodes a lot faster than x264-lossless:
> encoding/decoding FPS:
> x264: 94 / 190 fps
> FFV1.3: 216 / 277 fps
>> BTW what is/are it/they?
> What do you mean?
> Kind regards,
So 2 questions:
- What are the command options to add to get x264 lossless?
-preset fast -qp 0 , only/good?
- How I can know FFV1 is version 1.3?
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