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Thread: One-Click WebCam Recording!

  1. #271
    Lum
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    Ok, the weird errors I was getting don't happen on my Car PC, only on my laptop. Weird but I don't really care that it fails on the laptop.

    My next problem is, on the property pages menu, I can open up the properties for the cam itself and adjust it for outdoor use. I can see the changes take effect, but as soon as I come out of the property page, Capture restarts itself and the default settings come back. I can't find anyway to make it store the settings I just set.

    Also, would it be possible to have it store multiple sets of settings and, perhaps, auto switch between them based on time of day (or even better, relative to sunset/sunrise). That way I can have day, dusk and night settings to get the best picture all around.

  2. #272
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    Quote Originally Posted by Prefect
    You have a SP13000 System! This is about as fast as a PentiumIII 500mhz! Don't suggest to much from the via systems.

    I have a MII10000 and no matter what I do it is to much for the system. Thats why I ordered a CoreDuo 1.83Ghz 1GB RAM CarPC. This is about 10 times faster than the via system. I want to run two instances of Capture! and have FreeDrive for navigting without any lags.

    Bottom line: 75% CPU usage for Capture! is very good! :-)
    Ah, that explains your new purchase!! I remember reading you had an MII10000, but I didn't remember reading you had CPU usage issues as well. That's why I thought I was safe with an SP13000.

    But hey, I love this app so much, that I think I'll be doing the same thing as you. It's upgrade time again!

    Thanks for the reply. I just wanted to make sure this behaviour was expected.

  3. #273
    Low Bitrate feral's Avatar
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    Thanks for the software. !!

    Ive gotten it running under 2k on a 600mhz P3. Alot of fiddling around with different encoders, and the best I can do is 70% utilisation leaving enough room to destinate, stumble and listen to mp3's

    160x120x 10 fps.. Bit of a tradeoff on movie filesize too! 1MB=10 secs. But then its not working too hard to do the compression.

  4. #274
    Constant Bitrate Prefect's Avatar
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    @Lum: The property page is built into your webcam driver. Capture! just brings up that dialog, but has no chance to save or interact with the values you can set up there.

    Multiple settings: You can have copies of Capture on your system in different folders and have different config.inis for each instance. You could make a "c:\program files\capture!_day\Capture!.exe" and a "c:\program files\capture!_night\Capture!.exe". But you would be limited to the values settable in the config.ini too.

    I thought about a "switch-config" button many times. Just don't know yet how to implement this the best way. I also want to implement a dual-view option for two cams. :-)

  5. #275
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    Has anyone tried huffyuv with Capture yet? In theory it should allow small continuous spools to be recorded without a large CPU hit, but I'm not sure if the disk requirements will be too great.

    Also, would it be possible to have an option to rotate the incoming video by 180 degrees so that I can mount the camera on my car roof?

  6. #276
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    @Lum: whats huffyuv? Choose Indeo5 or DivX as Codec. Will give you very small files and not too much cpu usage. Writing large data-streams to the harddisk will cost you much more cpu usage than a good codec! the CPU has to handle the bytes received from the usb bus and write it to the hd.

    The option to mirror the image is implemented in the drivers option pin. I think only limitation of the eyetoy cam is that it can only mirror the image, but not flip upside down.

  7. #277
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    I haven't tried indeo, but you're having a laugh suggesting DivX. I run an M10000. I don't stand a chance of encoding DivX at realtime on that thing, even MJPEG is struggling to achieve 2fps.

    How about I actually try huffyuv and report back with the results

    In the meantime, here is the huffyuv website which includes benchmarks.

    http://neuron2.net/www.math.berkeley...g/huffyuv.html

  8. #278
    Constant Bitrate Prefect's Avatar
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    DivX runns very well on my MII10000! Even with CarPC software with MP3s and navigating software runnung.

    MJPEG needs much more cpu power!! Not because of the compression, but because of the data-stream wich is much bigger!

    Not the complex compression is what uses system power, but the big data streams the cpu has to handle!

    So use DivX, set it to 2000bits/s and fastest compression, and you won't have any problem running capture as a background-task with anything you want in the foreground.

    Don't use resolutions above 320x240 and 30fps.

    OK, huffyuv is interesting :-)

  9. #279
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    Yeah, that huffyuv stuff is interesting. I won't a chance to try it until next week, but I think I'll be giving it a shot.

    Lum: Let us know how your huffyuv experiment goes!

  10. #280
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    Quote Originally Posted by bash1979
    Yeah, that huffyuv stuff is interesting. I won't a chance to try it until next week, but I think I'll be giving it a shot.

    Lum: Let us know how your huffyuv experiment goes!
    It was very successful, 352x288 @ 30fps with about 90-96% CPU usage on my old M10000 and a filesize of 66MB for one minute's video. Not a problem at all if you're just using this for spooling, you can re-encode later.

    Here is an XviD I made from that 66MB video, it shows a few problems with my camera, but a lovely video of a moron cutting in front of me on a roundabout exit [MAP]

    http://www.lum.co.uk/SS/MoronCam_Test.avi (7mb)

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