10/31/2023 0 Comments Avidemux cut part of video![]() ![]() Finally I gave up and moved the marker to the previous I-frame and the selection was saved without corruption from the first try. I thought it was a bug in 2.7 and installed 2.6, repeated exactly the same selection and got the same result. This is why I decided that the first I-frame was not saved. MPC-HC didn't want to open the resulting file saying it was corrupted and some players allowed to play it showing the corruption from the beginning to the second I-frame. ![]() ![]() The saved selection lacked the initial I-frame (that was "kind of" selected in Avidemux). First I thought I made some mistake with the selection and tried again, but got the same result. In most cases, if I move the marker with UP/DN keys to I-frames, the cropping is made correctly, but in one case it was made wrong. Then I decided to divide these videos into sections and I found a strange thing. A couple of days ago I converted many videos of my bike trips in Avidemux into MP4, H264, rate factor 29, "super fast" preset. The start point of every segment must be an intra (I-frame). The end point of every segment (if you save from A to B, then B if you delete from A to B, then A) may be a P-frame (in most cases this will work), but with I-frames you are on safe ground (unless a bug in software steps into action -)). ![]()
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