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Activity Forums Compression Techniques Change default codec settings

  • Change default codec settings

    Posted by Dennis Heijnemans on August 26, 2010 at 6:43 pm

    Hi,

    I’m using Mainconcept MJPEG codec on win7ProX64
    with our proprietary automated sequence to avi converter
    This is to do quality checking and offline editing of
    our renderfarm output.
    Now here’s the thing, since it’s automated, I cannot
    set up encoding options for this codec. Where can I
    find the registry/control panel/.ini file etc. to
    tweak the quality settings? Sadly it defaults to the
    lowest bitrate possible without regard for quality..
    Since the output of the renderfarm is EXR frames,
    virtualdub is not an option. Anyone?

    Cheers!
    Dennis

    Dennis Heijnemans replied 15 years, 8 months ago 2 Members · 6 Replies
  • 6 Replies
  • Daniel Low

    August 26, 2010 at 8:08 pm

    If you have a custom application you need to employ the mainconcept SDK. An alternative would be to use the QuickTime MJPEG CODEC which defaults to higher quality.

  • Dennis Heijnemans

    August 26, 2010 at 10:04 pm

    Hi Daniel,

    So there is no way to enter the desired codec settings anywhere with this thing unless you use the codec in a GUI based app or write your own code with the sdk?

  • Daniel Low

    August 26, 2010 at 10:21 pm

    Well you could use Google to answer that, if you did, you would have found this:

    https://downloads.mainconcept.com/MJPEGCodecv.3.2.4_en.pdf

    __________________________________________________________________
    Sent from my iPad Nano.

  • Dennis Heijnemans

    August 26, 2010 at 10:41 pm

    Indeed, but this document, which was already on my desk, dates from when XP was fancy new. Do we need to install XP on old pc and use that for encoding?
    In XP, one was able to set codec defaults in the Device Manager. Is this control feature completely gone from Vista and 7?

  • Daniel Low

    August 26, 2010 at 11:53 pm

    Are MainConcept not responding to you?

    __________________________________________________________________
    Sent from my iPad Nano.

  • Dennis Heijnemans

    August 27, 2010 at 1:05 am

    Not yet, but it’s been half a day since I mailed them.
    As an alternative I’m looking at the Morgan MJPEG, which encodes fine, thanks to the
    additional quick config panel. However, once I import an avi with this codec into premiere cs4, the video looks bad. (green and purple, like there is some RGB/YUV conflict)
    The avi plays fine in vdub, and plays back in premiere on the timeline, but can’t do anything else with it, or it will show up green and purple in the timeline as well.

    It’s 3 am now, so my head is not exactly fresh anymore, we’ll see how it goes in the morning. Thanks so far 🙂

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