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Thread: Space environment creator by kryton9

  1. #21
    Super Moderator Petr Schreiber's Avatar
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    Re: Space environment creator by kryton9

    Hi kryton,

    tons of interesting ideas
    I must go out from home now again, but I hope to produce some more valuable reply later today.


    Thanks,
    Petr
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  2. #22

    Re: Space environment creator by kryton9

    I would bet some serious amount of cash that DarkBasic uses DirectShow for handling wmv files, so with OPENGL it is out of question I guess.

  3. #23
    thinBasic MVPs kryton9's Avatar
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    Re: Space environment creator by kryton9

    Mike, NeHe's lesson is with openGL. It is confusing to me for sure. I am sure with all of us thinking about it we can come up with solutions.

    Petrcan't wait to read about your thoughts later tonight then.
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  4. #24

    Re: Space environment creator by kryton9

    I know Kent. DarkBasic uses DirectX and there DirectShow. DirectShow does the dirty work for you, once the filters are all in place. For OpenGL something like this doesn't exist, at least to my knowledge.

  5. #25
    Super Moderator Petr Schreiber's Avatar
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    Re: Space environment creator by kryton9

    Hi Kent,

    Mike is right, I think DirectX, as a child of MS, has easier access to WMV.

    You are right about the double buffered perception of TBGL, it really works this way.
    But - to make screenshot I use relatively dirty API way, which is not connected directly to OpenGL.

    Your idea with memory bitmap is quite realizable I think - using render-to-texture mechanism. It is already in TBGL but not documented as I am not sure of some issues whcih may occur. I must study more about it.

    I will have a look at the NeHe source again, there was some assembly coding if I remember it correctly.

    I am sorry I am so much brief today,
    thanks a lot,
    Petr
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  6. #26
    thinBasic author ErosOlmi's Avatar
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    Re: Space environment creator by kryton9

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  7. #27
    thinBasic MVPs kryton9's Avatar
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    Re: Space environment creator by kryton9

    Eros, Roberto, Petr and Mike, if you have any ideas how we can task out some research for these matters let us know here.

    Freeimage and Magick will be useful for file conversion and maybe some effects, but the texture to and from memory will be a neat trick and make all future type of graphics development really different and useful.

    The wmv file as texture is doable, just need to figure out best route. So any direction will be appreciated.

    added later: just found this. It says directshow and opengl are doable. So I will keep tinkering with it.
    http://www.toymaker.info/Games/html/..._video.html#A1

    I think I found the killer article, but it is complex for me to grasp it all. I will read my way through about a 100 times or whatever it takes, but could one you more knowledgable say, yes this is the ticket. If I know it is the right road, I will stick to it till I get it working. But if you can see a flaw and how it would not work, I don't want to waste endless days on it. Thanks.
    http://lurkertech.com/lg/dmbuffer/video_as_texture.html
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  8. #28

    Re: Space environment creator by kryton9

    Cool, thanks Kent for the research. This will help very much

  9. #29
    thinBasic MVPs kryton9's Avatar
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    Re: Space environment creator by kryton9

    THanks for looking at it Mike, let me know if it is worth pursuing or if you think it is a dead end with that article, when you have the time.
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  10. #30

    Re: Space environment creator by kryton9

    It is worth looking into this, definately. I didn't thought that you can mix directshow with OpenGL.
    At least a video playback on a window can be done by this. After reading a little into MCI yesterday,
    I think it can be done with it too. Once I find time, I will look into it, right now I wanna get the
    DirectInput library done (inkl. Force Feedback) and then update the Blender M15 Export Script.

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