1
vote
1answer
159 views

pasting audio from one video file to another with a known time offset

I have two video files that also have audio tracks. I would like to copy the audio track of one file to the other with a 5000msec time offset. The only problem is that the video files does not have ...
0
votes
0answers
234 views

I've tried mencoder and MP4Box but can't properly concatenate my mp4 videos

I've tried MP4Box -add part1.mp4 -cat part2.mp4 concat.mp4 and get: [iso file] Incomplete box ...| Unknown input file type Error importing part1.mp4: Corrupted Data in file/stream mencoder -oac ...
0
votes
2answers
244 views

How to batch insert same clip scene at the beginning of multiple videos?

Well, it has been a few days researching on a suitable auto or semi-automatic way of mass merging files this way. Basically, what I want to achieve is inserting the same clip, before a bunch of other ...
2
votes
1answer
53 views

is it possible to trim a video file in linux without creating a copy and while watching video file

I realize this is a tall order and may not be possible yet. I would like to be able to trim off the watched portion of the video file on long video files (such as the olympics) to save disk space. I ...
3
votes
2answers
2k views

Extracting A Clip From An MP4 File In Linux on Kubuntu 11.10

I'm running KUbuntu 11.10 Linux. I would like to extract a clip from an MP4 file. I tried this command: myCLIPrompt:~/Downloads/temp/clips$ mencoder -ss 00:43:13 -endpos 00:02:12 -oac copy -ovc ...
3
votes
2answers
1k views

What is mencoder's -speed option doing?

I need to change the playback speed of a video, but can't use mencoder to do it. Changing the speed that a video plays at seems like the sort've thing that any video encoding software should be able ...