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main441.m
资源名称：MPEG-2(MATLAB).rar　[点击查看]
上传用户：cxsjwj
上传日期：2022-08-09
资源大小：34k
文件大小：3k
源码类别：

matlab例程

开发平台：

Matlab

main441.m：源码内容
  1. %main441
  2. I1=double(I1);
  3. JQ=forwardDCT(I1,array);
  4. bufferI1 = inverseDCT(JQ,array);
  5. c= makeLayers(JQ);
  7. %%calling decoder
  8. identifier=1;
  9. decoder(c,motionVect,identifier,flag);
  10. %%%this loop is for accessing frame from actual movie
  11.     if i~=1
  12.         j=i-round(i/10);
  13.         [B2,B3,P4,B5,B6,P7,B8,B9,I10]=GOP1(j,resize,long,wide);
  14.     elseif i==1
  15.         j=i;
  16.         [B2,B3,P4,B5,B6,P7,B8,B9,I10]=GOP1(j,resize,long,wide);
  17.     end
  18.         %processing on P4 frame
  19.         [bufferP4,streamP4,motionVect]=compensatedFrame(P4,bufferI1,mbSize,p,array); 
  20.         c= makeLayers(streamP4);
  22.         %calling decoder
  23.         identifier=4;
  24.         %decoder(diffDC,valVectorBase,lenVectorBase,valVectorEnhan,lenVectorEnhan,identifier,flag,motionVect);
  25.         decoder(c,motionVect,identifier,flag);
  29. % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%        
  30.         
  31.         %for B2    
  32.         [B2t ,motionVect, flag] = bFrameProc(B2,bufferI1,bufferP4,0.5*array,mbSize,p);
  33.         c= makeLayers(B2t);
  34.         
  35.         %calling decoder
  36.         identifier=2;
  37.         decoder(c,motionVect,identifier,flag);
  38.         
  39.         %for B3    
  40.         [B3t ,motionVect ,flag] = bFrameProc(B3,bufferI1,bufferP4,0.5*array,mbSize,p);
  41.         c= makeLayers(B3t);
  42.         
  43.         %calling decoder
  44.         identifier=3;
  45.         decoder(c,motionVect,identifier,flag);
  46.  
  47.         %predicting p7 from p4
  48.         [bufferP7,streamP7,motionVect]=compensatedFrame(P7,bufferP4,mbSize,p,array);
  49.         c= makeLayers(streamP7);
  50.         
  51.         %calling decoder
  52.         identifier=7;
  53.         decoder(c,motionVect,identifier,flag);
  54. %          
  55.         %for B5    
  56.         [B5t motionVect flag] = bFrameProc(B5,bufferP4,bufferP7,0.5*array,mbSize,p);
  57.         c= makeLayers(B5t);
  58.         
  59.         %calling decoder
  60.         identifier=5;
  61.         decoder(c,motionVect,identifier,flag);
  62.    
  63.         %for B6    
  64.         [B6t motionVect flag] = bFrameProc(B6,bufferP4,bufferP7,0.5*array,mbSize,p);
  65.         c= makeLayers(B6t);
  66.         
  67.         %calling decoder
  68.         identifier=6;
  69.         decoder(c,motionVect,identifier,flag);
  70.  
  71.         %processing on I10 frame
  72.         streamI10=forwardDCT(I10,array);
  73.         bufferI10 = inverseDCT(streamI10,array);
  74.         c= makeLayers(streamI10);
  75.         %%calling decoder
  76.         identifier=10;
  77.         decoder(c,motionVect,identifier,flag);
  78. %         
  79.         %for B8    
  80.         [B8t motionVect flag] = bFrameProc(B8,bufferP7,bufferI10,0.5*array,mbSize,p);
  81.         c= makeLayers(B8t);
  82.         
  83.         %calling decoder
  84.         identifier=8;
  85.         decoder(c,motionVect,identifier,flag);
  87.         %for B9    
  88.         [B9t motionVect flag] = bFrameProc(B9,bufferP7,bufferI10,0.5*array,mbSize,p);
  89.         c= makeLayers(B9t);
  90.         
  91.         %calling decoder
  92.         identifier=9;
  93.         decoder(c,motionVect,identifier,flag);
  94.     
  95.