On Fri, 10 Jun 2011 17:58:46 +0200 Philipp <hollunder@xxxxxxxxxxx> wrote: > Hi, > sorry for abusing this list for a mostly video editing question, but I > didn't find a proper list and knew that we have some video people on > this list. > > I'd like to fix some videos that have partially out of sync video and > audio, meaning that beginning at a certain point in the video the > audio is suddenly out of sync by a couple of seconds. There's no > constant change, the delay seems fixed once it's there. > > I wonder how to fix such a thing. The files are xvid encoded videos > and vbr mp3 audio inside avi containers. I thought it should be > reasonably easy to cut and move the audio (re-encode if unavoidable, > but I know it's in principle possible without) and put it back in a > container, but I didn't manage. > > Can someone recommend a program/workflow that would allow this? > > I tried: > - Avidemux: seems like actual editing is not what this program was > written for, couldn't figure it out, but it seems close > > - openshot: couldn't figure out how to separate video/audio > > - kino: seems to only work with DV-files, apparently takes ages to > decode the file, doesn't seem to be what I need > > - openmovieeditor: I figured it might work by dragging the file to > both a video and an audio track, but I got extremely garbled audio > output, no idea what's wrong > > - cinelerra-cv: Doesn't start. No error message, it simply shows no > window, nothing. Well, it does something with the screen, but it > shows nothing. > > - pitivi: Doesn't seem like it can play back the video. I can drag the > video to the tracks and it starts to draw a waveform, I guess no > video thumbnails because of: gst.ElementNotFoundError: pngenc > Doesn't seem to be able to play the video. > > - kdenlive: would require me to install 30 additional packages, total > about 200MB, no thanks. > > I thought it would be a simple task, really nothing fancy. Seems like > I was wrong. > > Regards, > Philipp > Hi, unfortunately can't give you a full solution, but only a hint: in mplayer with "-" and "+" you can adjust audio/video syncronization by multiples of 100ms (maybe you cand do finer, but I'm not sure). maybe you could then somehow record the output to a new file? cheers renato _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
