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Thread: EASY rearview camera support (w/ a little help)

  1. #61
    Variable Bitrate Leddy's Avatar
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    I'm having great difficulty with running dual sources.

    I have 2 Quickcam Pro 3000's. I can click on each of them in explorer and get a video feed from them. When using fullscreen I open the first dir with device=1 and get a picture. I open the second dir with device=2 and get an error message about being connected. I thought it might have been the code "we" added for MC. I downloaded the package as listed on post #1 from it's author. I fire it up and get a picture on cam 1. I right click and chose the second camera and it blips and shows same camera instead of #2. I'm wondering if the "referencing" of sources is kinda fubarred. Can you guys look into it and see if something might be causing it to only see the first cam if both are identical?
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  2. #62
    Maximum Bitrate pyros's Avatar
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    not sure if anyone cares but in the directshow api there's a flag that specifies the orientation of the image: ie: reversed image for ppl with webcams that dont support it..

    check it out:
    http://msdn.microsoft.com/library/de...ratedtypes.asp

    EDIT: scroll down to the "VideoControlFlags" under the Enumerated Types
    2004 Ford Mustang Mach 1
    Specs: Epia M2-1000, 512mb ram, SB Audigy NX, Lilliput 7" Touchscreen, M2-ATX, DVD, 160gb HDD, gps, obdII, wifi, bluetooth, XM radio, HQCT and Logitech wireless gamepad.
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  3. #63
    Maximum Bitrate mobileh1's Avatar
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    Leddy

    I have a tv tuner card and a web cam and am able to pick either of these. I'm confused, are you saying that the original code, unaltered by me works and my derived version doesn't?

    Let me know, its hard to debug it though since both sources work fine for me.

    I can add that reverse option if anyone wants it.

    I was adding the shrink to x by y for someone and making it toggle moveable/unmoveable. I got sidetracked at the weekend and haven't had a chance to get back to doing much in the past couple of days. I've been figuring out how to get vlc to play DVD's fully embedded.
    .//Daren
    (Epia M10000/C134) (C137/MII 10000) Liliput /Opus 150W/DVD/512MB/80GB/Hummer H1
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  4. #64
    Variable Bitrate Leddy's Avatar
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    mobileh: I guess I wasn't as clear as I wanted to be

    Both the original code and your modified code exhibit the same behaviour. If you don't have 2 of the same "devices" it might be hard to test things though. I'd be happy to test. That reverse feature would be AWESOME!

    Thanks again for your hard work on it
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  5. #65
    Maximum Bitrate mobileh1's Avatar
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    Cool, so its not my bug Standard developer disclaimer, works for me...

    What do you mean by same device, like two web cams? I only have two different devices.

    I didnt look too much into the DirectShow code.

    Let me add the features that others had asked for then I can debug this with your help.

    Thanks
    .//Daren
    (Epia M10000/C134) (C137/MII 10000) Liliput /Opus 150W/DVD/512MB/80GB/Hummer H1
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  6. #66
    Variable Bitrate Leddy's Avatar
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    Would it make a diff if I say it's just your code?
    j/k

    I appreciate your efforts, it's not critical it be done right this second so I can hang tight. While you are adding features, an ini option for mirror=x and flip=x would be totally cool!
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  7. #67
    Maximum Bitrate mobileh1's Avatar
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    Leddy,

    You have a bigger Lilliput than me, thats not fair

    Whats the 8.4" screen like? I didnt even see that one when I was looking round.

    For my desktops I have two samsung 21" LCDs and they are awesome. I wish I could get 500:1 contrast ratio out of a 7" screen, that would be the dogs bollocks.

    I've been hunting my draws for two web cams that are the same, and cannot find any more. I'll try just by code inspection to see what might be up.

    Here's something to try: Just to eliminate one possibility. Set the ini to reference device 1, then start it up, see whats shown. Exit, change the ini to 2 and the repeat, just to make sure it isnt a painting problem.

    Might be possible to have up/down arrows cycle thru cams too, that would be useful I think.
    .//Daren
    (Epia M10000/C134) (C137/MII 10000) Liliput /Opus 150W/DVD/512MB/80GB/Hummer H1
    MediaCar/CoPilot7/Routis

  8. #68
    Variable Bitrate Leddy's Avatar
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    That's an easy one to test as I've done that before.

    If I select device=1 it shows camX
    If I select device=2 it shows camX

    When using the right click menu at the top of it you have a choice of capture devices, mine shows

    1 - Logitech QuickCam Pro 3000
    2 - Logitech QuickCam Pro 3000

    Depending on which I have selected or device=X has the checkmark.
    Btw you can use # keys to select which device you see as indicated by the # at the end of the description. i.e. 1 or 2 in my case. Using arrows might be easy to implement

    As far as my lilli, I absolutely love it! I didn't feel the need for a widescreen solution in the car so the 8" was the logical choice
    2001 Pontiac Grand Prix GTP Sedan (Sold)
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  9. #69
    Maximum Bitrate mobileh1's Avatar
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    I know why its doing this now. Its binding the object to the render stream by 'FriendlyName', and your names are identical. I can fix it to use ordinal.

    I have been trying to get flip horizontal to work, but when I find the Dshow pin assoicated with the unconnected render stream and try and chance the mode to flip things the program hangs. Clearly I've got something mixed up.

    Been at a clients today so not very fresh. I'll look at it in the morning.
    .//Daren
    (Epia M10000/C134) (C137/MII 10000) Liliput /Opus 150W/DVD/512MB/80GB/Hummer H1
    MediaCar/CoPilot7/Routis

  10. #70
    Variable Bitrate Leddy's Avatar
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    You Rock!
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