[FFmpeg-user] artefact when upload to youtube

Claudiu Rad jazzman at misalpina.net
Sun Nov 15 21:27:15 CET 2015

On 11/15/2015 10:22 PM, philippe.torgue at laposte.net wrote:
> Hi,
> I've used ffmpeg to make a movie from a sequence of png
> But, even with x264 lossless ffmpeg, i get a video on youtube with noticable artefact (the ugly square of cos discrete)
> (the .mp4 is clean before uploading : no artefact at all with quicktime or vlc)
> I guess it's not a ffmpeg problem but may be someone will lead me to the solution.

seriously: what would you expect after youtube's lossy encoding?
solution: encode videos the way you want and host/publish them on the 
internet yourself.


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