Thank you Moritz for your reply. Have a nice day too. Julian
On Thu, 29 Apr 2021, 11:46 Moritz Barsnick, <barsn...@gmx.net> wrote: > Hi Julien, > > On Thu, Apr 29, 2021 at 04:17:20 +0200, Julien Dotsev wrote: > > I see there is a difference in the file size. The first avi is *1462KB* > and > > after the reconversion is *1474KB*. > > > > My question is is there a way to take a video file from a client, convert > > it to some readable by HTML <video> tag format and after I finish using > it > > be able to bring to the client the original file, exactly the same. > > No, there is no such way. Every video operation with ffmpeg involves > demuxing and muxing. And every muxer - so also ffmpeg's - has more or > less subtle differences. ffmpeg may be less efficient (therefore the > larger size), have other presents, and so on. Furthermore, your first > operation may also lose metadata or data streams, which your second > operation cannot recover. > > Cheers, > Moritz > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
