Thumbnail generation - design problem: thumbnails are almost same and not very informative. (1 Viewer)

regeszter

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  • October 29, 2005
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    Hi Sebastiii,

    regards our conversation, I have upload a new core.dll. Can you test it? I have replaced only an ffmpeg parameter to make a thumbnail on I_frame.

    Thx!
     

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    Sebastiii

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  • November 12, 2007
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    Great :)
    You core is based of master ?
    Can you supply the change too, will be more easy for me to test :)
     

    regeszter

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    yes, based on master.

    in VideoThumbCreator.cs

    Code:
    -		string ffmpegFallbackArgs = string.Format("select=isnan(prev_selected_t)+gte(t-prev_selected_t" + "\\" + ",{0}),yadif=0:-1:0,scale=600:337,setsar=1:1,tile={1}x{2}", 5, PreviewColumns, PreviewRows);
    +		string ffmpegFallbackArgs = string.Format("select=select=eq(pict_type\\,I),yadif=0:-1:0,scale=600:337,setsar=1:1,tile={1}x{2}", 5, PreviewColumns, PreviewRows);
     
     
    and
     
     
    -			ffmpegArgs = string.Format("select=isnan(prev_selected_t)+gte(t-prev_selected_t" + "\\" + ",{0}),yadif=0:-1:0,scale=600:337,setsar=1:1,tile={1}x{2}", 1, 1, 1);
    +			ffmpegArgs = string.Format("select=eq(pict_type\\,I),yadif=0:-1:0,scale=600:337,setsar=1:1,tile=1x1");
     

    Sebastiii

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    Just tested, nope it's worst :(
    I get Grey thumb and generate one on video .ts is very slow.
    So right now that not good lol
     

    Sebastiii

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    Ok it's seems a little slower (but not much for .avi) = thumbs are ok :)
    For .ts video it's too slow but seems ok.

    I just try with xbmc and tile 1x1 and i also get grey thumbs for .ts.
     

    regeszter

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    I have never get grey thumbnails for ts, avi or mvk.
     

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