![]() More information on how to cut or extract videos on Avidemux can be read here - Simple cutting on Avidemux. The video is in copy mode but the cut points are not on key frame avidemux boxlessthinking 633 subscribers Subscribe 19K views 9 years ago avidemux Problem with editing saving file. You can now either delete this portion or click save to just extract and save this portion of the video. This will select the portion of video between the 2 keyframes. Avidemux can try to reconstruct correct PTS by decoding the entire video. To select a portion of video between keyframes, use the UP and DOWN arrow keys on your keyboard to find the first keyframe of the video portion, and click the [B button on Avidemux. The split will happen at the first keyframe after 01:14:00, so if the file is split a little later. You will end up with foo.avi.1, foo.avi.2 etc. That'll output two files such as video-001.mkv and video-002.mkv. Avidemux 2.7. Each time that file size is reached and a I-frame is present, avidemux will create a new file. ![]() To ensure that you don't have to re-encode a video when you delete some some portions of it, just make sure that you select and delete the portion of video between two I-frames.Īvidemux makes finding keyframes or I-Frames very easy - just open the video in it, and use the UP or DOWN arrow keys to move between keyframes. If you just want to split the MKV into two parts, select 'split after duration' as the splitting method and type 01:14:00 in the field below. H.264 and H.265 encoded videos have certain complete frames ( keyframes) that are called I-frames or Intra Frames. It's also free, open source and available for Windows, macOS and Linux.
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