want to cut a dat file

Discussion in 'MPEG-1 and MPEG-2 encoding (AVI to DVD)' started by weiqin, Jun 12, 2006.

  1. weiqin

    weiqin Member

    Joined:
    Jun 12, 2006
    Messages:
    2
    Likes Received:
    0
    Trophy Points:
    11
    hi, i want to cut my dat file into 2 files cos it is too big for mi to burn it into a CD-R and a CD-R can onli support 700mb and my file is around 750mb. therefore, i am finding software which can cut a dat file. thanks!
     
  2. aldaco12

    aldaco12 Active member

    Joined:
    Nov 6, 2002
    Messages:
    2,544
    Likes Received:
    0
    Trophy Points:
    66
    Wring. AVSEQ01.DAT is part of a VCD image which can contain
    2352*360,000 bytes = 846,720,000 bytes = 807 MB.
    If you consider that making MPG --> cue/bin will need approx 10-11 MB of extra room, you fit an approx 797 MB mpeg in to a '700 MB CD' (which is a correct number only for data CD purposes (2048*360.000 bytes = about 703 MB). Otherwise, how could you fit 80' music (an uncompressed WAV file is about 10.1 MB per minute)?

    The way to do:
    - run VCDGear;
    - remove all 'headers' from that DAT, which is NOT a 'true movie', selecting 'dat --> mpeg' from the [vcdgear] screen. You'll create a mpg about 2% less than AVSEQ01.DAT.
    - select, in the [video-cd] screen 'mpeg --> cue/bin'. You'll create a cue/bjn image about 11 MB larger that the mpeg you just created.
    - burn the cue/bin in a 80' CD-R It will fit perfectly, since the image wil be less than 846,720,000 bytes.

    Your finally created cue/bin will be about 760 MB all will be well.

    Ah, remember: all will work provided you extracted, from the VCDGear.zip package the following files and have put them in the \vcdgesr\cdi directoty:
    Cdi_imag.rtf
    Cdi_text.fnt
    Cdi_vcd.app
    Cdi_vcd.cfg
    and you checked the 'Add CD-i application' box in the [bold]Video-CD[/bold] screen of [options].

    Otherwise, if you have it, you can use VCDEasy which automatically installs everything, supports chapters and makes all 'DAT-> MPG' stuff, under 'Tools' (and, until v1.1.5.2, was even free, if you manage to find it).
     
    Last edited: Jun 12, 2006
  3. weiqin

    weiqin Member

    Joined:
    Jun 12, 2006
    Messages:
    2
    Likes Received:
    0
    Trophy Points:
    11
    but i want to cut my dat file into 2 separate dat file and not converting it to mpeg format. thanx
     
  4. aldaco12

    aldaco12 Active member

    Joined:
    Nov 6, 2002
    Messages:
    2,544
    Likes Received:
    0
    Trophy Points:
    66
    But wahy do you want to do that?

    1) it's FALSE that an 80' CD-R can contain only 700 MB. If you butn a data CD yes, but if you burn a VCD it can contain almost 800 MB.
    2) DAT files aren't movies, but an extracted part of a VCD image.

    My suggestion:
    1) convert to mpeg
    2) cut mpeg --> movie_CD1.mpg and movie_CD2.mpg. Womble MPEG-VCR is very good, for this.
    3) re-convert back to .DAT, if you really need to do that.

    No application I know cuts .DAT files. Thousands cut mpegs.

     
    Last edited: Jun 14, 2006

Share This Page