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Non-linear (i.e. normal) video (and audio) editing is lossless until you export the result. The neat thing that tools like this one, LosslessCut, Avidemux, etc.
by CharlesW 3y ago
Non-linear (i.e. normal) video (and audio) editing is lossless until you export the result. The neat thing that tools like this one, LosslessCut, Avidemux, etc. do is that they don't re-encode the video on save/export.
There are a few caveats, though. Examples: (1) You're limited to cuts-only edits. (2) Because the base unit of video encoded for distribution is a GOP¹, edits either have to happen on GOP boundaries (i.e. at a keyframe) or the apps have to re-encode the GOP.
¹ https://en.wikipedia.org/wiki/Group_of_pictures https://en.wikipedia.org/wiki/Group_of_pictures