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ICETEK-DM642-C.c
Package: DSP-C6000-DM642DEMO.rar　[view]
Upload User: dahaojd
Upload Date: 2008-01-29
Package Size: 14357k
Code Size: 1k
Category:

DSP program

Development Platform:

C/C++

ICETEK-DM642-C.c：Code Content
  1. #include "math.h"
  2. #include <csl_cache.h>
  3. #include "ICETEK-DM642-C.h"
  5. //工作变量
  6. unsigned char m_dbFrameY[SIMGWIDTH*SIMGHEIGHT];
  7. unsigned char m_dbFrameU[SIMGWIDTH1*SIMGHEIGHT1];
  8. unsigned char m_dbFrameV[SIMGWIDTH1*SIMGHEIGHT1];
  9. unsigned char m_dbTargetImageR[SIMGWIDTH*SIMGHEIGHT];
  10. unsigned char m_dbTargetImageG[SIMGWIDTH*SIMGHEIGHT];
  11. unsigned char m_dbTargetImageB[SIMGWIDTH*SIMGHEIGHT];
  12. unsigned int m_uVideoStatus,m_bFreeze;
  14. void ICETEKDM642CInit()
  15. {
  16. m_uVideoStatus=m_bFreeze=0;
  17. }
  19. void ICETEKDM642CYUVRGB()
  20. {
  21. int i,j;
  22. int r,g,b,y,u,v;
  23. unsigned char *py,*pu,*pv,*pr,*pg,*pb;
  25. py=m_dbFrameY; pu=m_dbFrameU; pv=m_dbFrameV;
  26. pr=m_dbTargetImageR; pg=m_dbTargetImageG; pb=m_dbTargetImageB;
  27. for ( i=0;i<SIMGHEIGHT;i++ )   
  28. {  
  29. for ( j=0;j<SIMGWIDTH;j+=2 )   //列720点，360个32bit，
  30. {
  31. u=(*pu); v=(*pv); y=(*py);
  32. u-=128; v-=128;
  33. r=y+1.402*u;
  34. g=y-0.34414*u-0.71414*v;
  35. b=y+1.772*v;
  36. if ( r>255 ) r=255;
  37. else if ( r<0 ) r=0;
  38. if ( g>255 ) g=255;
  39. else if ( g<0 ) g=0;
  40. if ( b>255 ) b=255;
  41. else if ( b<0 ) b=0;
  42. (*pr)=r; pr++;
  43. (*pg)=g; pg++;
  44. (*pb)=b; pb++;
  45. py++; y=(*py);
  46. r=y+1.402*u;
  47. g=y-0.34414*u-0.71414*v;
  48. b=y+1.772*v;
  49. if ( r>255 ) r=255;
  50. else if ( r<0 ) r=0;
  51. if ( g>255 ) g=255;
  52. else if ( g<0 ) g=0;
  53. if ( b>255 ) b=255;
  54. else if ( b<0 ) b=0;
  55. (*pr)=r; pr++;
  56. (*pg)=g; pg++;
  57. (*pb)=b; pb++;
  58. py++; pu++; pv++;
  59. }
  60.     }
  61.     CACHE_clean(CACHE_L2ALL, 0, 0);
  62. }