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Thread: Incorporating a third party mpeg2 decoder into MV

  1. #1
    Join Date
    Mar 2006
    Age
    64
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    9

    Question Incorporating a third party mpeg2 decoder into MV

    I must preface this post with the following comment: I am extremely new to video processing, filters, etc.

    I am using MontiVisions workbench to develop my video processing application. So far, so good. I have need of an mpeg2 decoder filter that does not "hammer" my processor. (I am using a dual core 3.2GHz P4). All of the current mpeg2 decoders that I see in MV Workbench use about 50% of my processor. I recently found an application called VideoLAN Client (open source and freely redistributable). This app incorporates an extremely efficient mpeg2 decoder (also open source and freely redistributable) that only uses about 6% of my cpu. The mpeg2 decoder is a stand-alone piece of software (written in C++). Now my question: How can this mpeg2 decoder be made to appear as a filter that can be inserted into a MV filtergraph? I am not aware of any way to build a filter.

  2. #2
    Join Date
    Apr 2003
    Posts
    91
    Hi

    Did you test the mpeg decoder from MainConcept ? They have fast and high quality decoder.

    The ffdshow project provides a DShow filter that uses the ffmpeg code but I don't think it is faster than the MainConcept decoder. But I didn't test it.

    Take care with license issues if you use open source codecs. The code could be free but you have to pay for using MPEG.

    Regards
    Bernd

  3. #3
    Join Date
    Mar 2006
    Age
    64
    Posts
    9
    Thanks Bernd. I will try immediately.

    Bob

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