How to split an mp4 files into several files

Discussion in 'Digital Video' started by desertman, May 28, 2016.

  1. desertman macrumors 6502a

    Joined:
    Jul 14, 2008
    Location:
    Arizona, USA
    #1
    This might sound trivial to experts, but it is a big problem for me.

    A friend of mine has a self-made video (mp4) on which he is seen to read a couple of poems. Now he wants to split this video into several videos that each show only one poem (and he, of course, would like to have some kind of blending in and blending out for each video).

    How do I do this best? Are there any free applications that do this? I do have iMovie 10.1.2 but I don't know whether it can do this and I also don't know how to work with it. Same is true for QuickTime Player 10.4.

    Thanks for your help.
     
  2. ColdCase macrumors 68030

    Joined:
    Feb 10, 2008
    Location:
    NH
    #2
    Kinda hard to explain but pretty basic editing. With iMovie, you import the video. Then start a new project. Select the part of the imported movie that you want for your first clip (drag the mouse over it) and drag it to the new project time line. Do this for each individual clip you want. Adjust the in and out points of each clip as you like. Drag the transition you want from the effects browser to the area between the clips. When done share/export depending on which version or iMovie you have. The help files/manual would have more detailed description of how to do this. Takes a little practice, but becomes second nature.
     
  3. desertman thread starter macrumors 6502a

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    Jul 14, 2008
    Location:
    Arizona, USA
    #3
    Thanks. I guess the main "problem" is selecting exactly the right part (from split second to split second). For now I'm sitting in front of that like an idiot, but I will try ...
     
  4. ColdCase macrumors 68030

    Joined:
    Feb 10, 2008
    Location:
    NH
    #4
    There are probably a dozen ways to do that.

    Another, perhaps better way, is to drag the entire imported movie to the new project time line. Then use the blade tool to split the clip where you want. This can be done precisely with more magnification, or moving the edit point with the left/right arrows instead of the mouse. The arows move the edit point frame by frame. You can also select and delete parts you don't want in this way. After you have all the clips separated, apply the transitions, titles, effects, etc..
     
  5. desertman thread starter macrumors 6502a

    Joined:
    Jul 14, 2008
    Location:
    Arizona, USA
    #5
    OK. Coming closer ...

    This is such a strange world for me. Where, for example, do I find the blade tool?

    Why is there not a tool bar with all tools? I do see some tools at the top of the window but there is no blade tool among them.
    --- Post Merged, May 28, 2016 ---
    I managed now to clip the movie twice, delete the parts at the beginning and end that I don't want in this particular movie and to have in the lower part of the iMovie window only the part that I want. Now I would expect to find somewhere in the File menu an "Save As" or "Export Clip" option - but I don't.

    How do I get this clip as a separate mp4 file out of iMovie?
     
  6. ColdCase macrumors 68030

    Joined:
    Feb 10, 2008
    Location:
    NH
    #6
    Does your iMovie version have a share option?

    Sorry I'm not much help as I haven't used iMovie in awhile. Been using FCPX, which is similar.
     
  7. kohlson macrumors 6502a

    Joined:
    Apr 23, 2010
    #7
  8. martinX macrumors 6502a

    martinX

    Joined:
    Aug 11, 2009
    Location:
    Australia
    #8
    MPEG Streamclip may be able to help. I use it to trim MP4 files and save them out as MP4s without re-encoding.
     
  9. Dave Braine macrumors 68040

    Dave Braine

    Joined:
    Mar 19, 2008
    Location:
    Warrington, UK
    #9
    Just use QuickTime. Go Edit Menu>Trim. Drag the slider and then click Trim. Save the trimmed clip and the original is left intact.
     
  10. ColdCase, May 30, 2016
    Last edited: May 30, 2016

    ColdCase macrumors 68030

    Joined:
    Feb 10, 2008
    Location:
    NH
    #10
    I think the OP wanted to break the original long clip into many smaller pieces, then add transitions. He could use quicktime to break the original up into smaller clips recursively, but it should be a lot easier with iMovie where you just slice it up in one screen/timeline/project. Then there is the transition thing.
     
  11. Maxwill macrumors member

    Maxwill

    Joined:
    May 25, 2015
    #11
    There are many free video cutter or split program that enables you to split video into many smaller parts such as Free Video Cutter Joiner, Video Edit Master, Media Cope, Moo0 Video Cutter, Cute Video Cutter Free Version, ect. Here is a detailed review for those apps.
     

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