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< > BotCompany Repo | #1006733 // framesFromVideo_reordering

JavaX fragment (include)

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!include once #1025007 // JCodec

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static int framesFromVideo_bufferSize = 7;



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static bool framesFromVideo_verbose;



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static IterableIterator<BufferedImage> framesFromVideo_reordering(File video) ctex {



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  final int bufferSize = framesFromVideo_bufferSize;



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  final bool verbose = framesFromVideo_verbose;



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  final FileChannelWrapper ch = NIOUtils.readableChannel(video);



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  final AWTFrameGrab8Bit grab = AWTFrameGrab8Bit.createAWTFrameGrab8Bit(ch);



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  ret iteratorFromFunction(new O {



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    new TreeMap<Double, BufferedImage> reorderBuffer;



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    bool done;



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    void grab ctex {



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      if (verbose) print("Grabbing (" + l(reorderBuffer) + ")");



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      PictureWithMetadata8Bit pmd = grab.getNativeFrameWithMetadata();



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      if (pmd == null) {



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        done = true;



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        NIOUtils.closeQuietly(ch);



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      } else {



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        BufferedImage img = AWTUtil.toBufferedImage8Bit(pmd.getPicture());



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        reorderBuffer.put(pmd.getTimestamp(), img);



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      }



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    }



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    O get() {



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      while (!done && l(reorderBuffer) < bufferSize)



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        grab();



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      if (done || reorderBuffer.size() >= bufferSize) {



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        if (empty(reorderBuffer)) null;



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        double leastPts = firstKey(reorderBuffer);



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        BufferedImage img = reorderBuffer.get(leastPts);



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        reorderBuffer.remove(leastPts);



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        if (verbose) print("Giving (" + l(reorderBuffer) + ")");



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        ret img;



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      }



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      null;



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    }



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  });



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  // TODO: close file when not all frames are grabbed



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}




        
Author comment

    
Began life as a copy of #1006727

    
download  show line numbers  debug dex  old transpilations   
Travelled to 13 computer(s): aoiabmzegqzx, bhatertpkbcr, cbybwowwnfue, cfunsshuasjs, gwrvuhgaqvyk, ishqpsrjomds, lpdgvwnxivlt, mqqgnosmbjvj, pyentgdyhuwx, pzhvpgtvlbxg, tslmcundralx, tvejysmllsmz, vouqrxazstgt


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    Snippet ID:
    #1006733
  

  

    Snippet name:
    framesFromVideo_reordering
  

    

    Eternal ID of this version:
    #1006733/15
  

  

    Text MD5:
    5d724234a1fc233ebb5c0b1daaad909b
  

    

    Author:
    stefan
  

  

    Category:
    javax video
  

  

    Type:
    JavaX fragment (include)
  

        

    Public (visible to everyone):
    Yes
  

  

    Archived (hidden from active list):
    No
  

  

    Created/modified:
      2019-09-01 02:13:24
  

  

    Source code size:
    1502 bytes / 44 lines
  

  

    Pitched / IR pitched:
    No / No
  

    

    Views / Downloads:
    506 / 482
  

      

    Version history:
    14 change(s)
  

    

    Referenced in:
[show references]