Quick note on Avidemux:
In order to edit without re-encoding, you need to use the seek buttons. Then set your cut points. That will set it to the next "key frame".
You can of course clip it without using key frames, but then you end up messing up several seconds of video that's basically unwatchable because it doesn't have a proper key frame. If you've ever loaded a video and seen the first 5 seconds is either hung up on a single frame while the audio plays, or it's very discolored and distorted and you can barely make anything out, you've seen a video that starts without a key frame.
Some older formats like MPEG2 can also produce blocking.
|