[idea] What about DVD backup ?

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  • We have some problems with system and applied programmers. Their very little and they are busy at other task. I can't work above task because I study in University and I have a work.

    I'm sorry my poor English.
  • Here's my -private- reply to the octa os developer, that I believe could be useful for Kolibri too:
    > Hello, well since i forget my username in kolibry forum y will reply here.
    >
    Hi, and thanks for the reply.


    > First i don´t know if it is legal to rip and play dvds without a license, thats why linux distributions don´t have this installed.
    >
    This is a "non-problem": if you legally own a DVD you can always make a backup copy.
    Of course you shouldn't re-encode in MPEG-2 (or any other royality-unfree codec) if you don't own a regular license... but we already have Theora, Dirac and Vorbis !


    > Second in kolibri os there are few developpers but in octa os there is only me (and you are not a developper so i'm still alone)
    > so i have to select the projects i code by importance order, just writing the drivers for sound cards is a lot of work since there is no standard like video vesa.
    >
    Well, I think you already know that the main "key" for an OS success is to have a killer application (as Office for Windows, Apache for Linux, PhotoShop for MAC, etc...)
    I don't know your strategy around this, but I believe that the main ability for an assembly OS is to unchain the PC computing power.
    I (and i'm sure i'm not alone) to have a 1/2 Gb USB pen with an OS that allows me to backup and (dreamingly) burn movies into royalty-free (better if wavelet, that requires extreme computing powers) codecs/containers.


    > And porting 'portable c sources' is also a lot of work.
    >
    Of course, but i believe that porting a DVD backup tool in pure assembly could benefit not just your project... (and can attract mutch uders/developers)


    > There are much more important things to do in my OS like internet acces.
    >
    Internet access IS important but, honestly, do you really belive that peoples will adopt your OS for surfing the web ?
    Actually there's no "encoding-OS" on the scene, keep it in consideration.


    > And finally when i have the time for do it ,dvds will probably become obsolete.
    >
    Better: in the -next- future backing-up an High Definition (both BR and HD-DVD) movie will be even more CPU intensive...

    BTW these are just my -poor- opinions.
    Marco Ravich
    --
    >>Forward Agency
    In progress we (always) trust.
  • I just discovered DVD4DOS, a DVD PLAYER for 16bit DOS systems !!!
    Minimal requirements:

    -486DX computer (486 with built-in FPU)
    -4/8/16 or more MB of RAM (I don't know...I have 64MB...)
    -SVGA card (640x480 resolution and 8/15/16/24/32 color bits/pixel)
    -SB Pro or compatible soundcard (11025 Hz, 8 bit, stereo)
    -DVD drive with drivers installed (CDROM.SYS included in the package)
    -a single layer and region-free DVD movie disc
    -lots of spare time because DVD4DOS is not a realtime player and very slow...
    (tested with my Pentium 120 MHz computer... transcoding 1 min movie takes cca. 1 hour)


    Third party free softwares included and used:

    -VOBSPLIT (file splitter) by Anastasis Chatzioglou (Anasto) (2000)
    -DECODEVOB (A/V demux) source from the web (by ?) (DOS ported by me) (2003)
    -MPEG2DEC (MPEG2 video decoder) by MSSG (1994)
    -CMPEG (MPEG1 encoder) by Stefan Eckart (1993)
    -MPXPLAY (AC3 decoding) by PDSoft, Padar Attila (2003)
    -DISPLAY (MPEG1 playing) by Jih-Shin Ho (1993-1995)
    ...it would be great to have an assembly-realtime (or, well, a KolibriOS) port !

    Hope that helps !
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