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Edius Pro 4.51C and smart render?

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  • Neftv
    replied
    Originally posted by GrassValley_KH View Post
    There's your cause I'd say - field ordering.

    Try forcing it to Top field. I don't know if that will work though, since the project preset enforces bottom field regardless of what your source clips might be using.

    Try it anyway and see what happens.
    Forcing the field order to match just before I name the file to save out does not change the render time. So the only thing left is that program mux rate which I can't change.

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  • GrassValley_KH
    replied
    There's your cause I'd say - field ordering.

    Try forcing it to Top field. I don't know if that will work though, since the project preset enforces bottom field regardless of what your source clips might be using.

    Try it anyway and see what happens.

    Leave a comment:


  • Neftv
    replied
    Continuing from my update from my previous post....
    I figured out that the program mux rate and the top field/bottom field is different.
    On our Princeton Server Group MPEG Recorder (C500) it uses a program mux rate of 10124800 and I believe that is a MPEG Standard.
    Edius has it set for 8569600.
    On the C500 it set for top field. in Edius it seems to default to Bottom Field. I not sure about that one. I think Capturing from DV is bottom field but why on file import it forces the parameter to bottom.

    So where do I go from here?

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  • Neftv
    replied
    Originally posted by GrassValley_KH View Post
    You're not adjusting the quality setting with your output parameters are you? If segment encoding, don't touch that setting..
    I believe that is it's default setting of Standard I never changed that. You know what I should try is to edit an already edited Edius made MPEG and edit it shorter like I trim more at the front and end. Then output to the MPEG preset I have. See if the output goes much faster. If it doesn't then I know that Edius just does not do Smart Rendering not matter what the segment encode checkmark is for.

    ***Update
    It will output faster to an Edius made MPEG. Like 10 times faster. So something deeper in our mpegs are not the same. Any suggestion on how to analyze an MPEG.. Beyond what the freeware program Media Info can give me?
    Last edited by Neftv; 01-24-2008, 09:37 PM. Reason: Update

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  • GrassValley_KH
    replied
    You're not adjusting the quality setting with your output parameters are you? If segment encoding, don't touch that setting..

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  • Neftv
    replied
    Originally posted by GrassValley_BH View Post
    Strange, I'm not sure why it's not just using the original MPEG stream, but somehow it must think the original stream is different from the selected output.
    I wonder if there is some specific deeper parameter that is not the same? I mean beyond the bit rate and sample rate. Not sure how to look that up for an incoming MPEG file.

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  • GrassValley_BH
    replied
    Strange, I'm not sure why it's not just using the original MPEG stream, but somehow it must think the original stream is different from the selected output.

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  • Neftv
    replied
    Originally posted by GrassValley_BH View Post
    Hmm.. Is there MPEG Layer II audio, or PCM audio in the Program Stream?
    Yes the audio of the original is MPEG layer 2 @ 256 and I set the same in the MPEG2 preset.

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  • GrassValley_BH
    replied
    Hmm.. Is there MPEG Layer II audio, or PCM audio in the Program Stream?

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  • Neftv
    replied
    Originally posted by GrassValley_BH View Post
    Looking at your source, I wonder if EDIUS can mux elementary streams with SegmentEncode. I get the feeling it can't.

    Do you have a MPEG-2 Program Stream you can try?

    We do use MPEG 2 Program stream. That is the type of file we use all along. Our MPEG recorder will only record that as it has no provision to change it. We do own Digital Rapids Stream Pro and we can encode files and we use DR to make DV files from Production's Final Cut systems to MPEG2 Program or other MPEG.
    Could this have to do with Canopus's own MPEG2 codec? What I see commonly used is Main Concept's MPEG2 codecs and that is what DR uses I not sure about Womble. We are trying to stay away from Womble because if it does a re-encode it's codec makes video look worse in my testing.

    IF I had to change to Elementary stream MPEG 2 it will cause a workflow issue. Our broadcast server can handle Program stream and Transport stream.

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  • GrassValley_BH
    replied
    Looking at your source, I wonder if EDIUS can mux elementary streams with SegmentEncode. I get the feeling it can't.

    Do you have a MPEG-2 Program Stream you can try?

    Leave a comment:


  • Neftv
    replied
    Originally posted by GrassValley_BH View Post
    Sorry, I was a little unclear... You can trim clips. It's just when you change speed or add filters that EDIUS has to recompress.
    Well there is no change in speed because they both show 8mbps Constant and audio is 256kbps. We dont add filters.
    I talked to someone in tech support and I was told that Edius does not support smart render function. He said to try HDV SpeedEncoder but it actually took longer to re-output a trimmed MPEG because the parameters are fixed at 6.5mbps. I hope the writers of the software in Japan know about this so perhaps they can improve Edius.
    Unless there something missing or I am missing something?

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  • GrassValley_BH
    replied
    Sorry, I was a little unclear... You can trim clips. It's just when you change speed or add filters that EDIUS has to recompress.

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  • Neftv
    replied
    Originally posted by xtz_ View Post
    You can check source properties -- bit rate, size, field order etc...
    I have check the properties of incoming MPEG 2 files and they match what I have set in the F11 export using the MPEG Generic as the template. Still export times of the clip are higher than I expected for a professional product. Don't get me wrong Edius is great in many other aspects just wished it really did smart render.

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  • Neftv
    replied
    Originally posted by GrassValley_BH View Post
    Also, the project settings must match the original streams as well. Essentially, everything must match and the clips must not be altered in any way (duration/speed, filters, etc) otherwise EDIUS is forced to re-render that part.
    Well that does not make sense. Whats the point if you can't clip the front and clip the end of an MPEG2 then output if Edius is going to see that as not matching. The parameters match.

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