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bitstream_test.c
Package: dvd-munitions.tar.gz　[view]
Upload User: aoeyumen
Upload Date: 2007-01-06
Package Size: 3329k
Code Size: 1k
Category:

DVD

Development Platform:

Unix_Linux

bitstream_test.c：Code Content
  1. /* 
  2.  *  bitstream_test.c
  3.  *
  4.  * Aaron Holtzman - May 1999
  5.  *
  6.  */
  8. #include <stdlib.h>
  9. #include <stdio.h>
  10. #include "ac3.h"
  11. #include "bitstream.h"
  13. void print_bits(unsigned long data,unsigned long num_bits);
  14. void print_bits(unsigned long data,unsigned long num_bits)
  15. {
  16. long i;
  18. for (i=num_bits-1; i >= 0; i--)
  19. {
  20. printf("%1d",data & (1 << i) ? 1 : 0);
  21. }
  23. }
  24. #define BIT_SIZE (10 * 128)
  25. int main(void)
  26. {
  27. bitstream_t *bs;
  28. unsigned long num_bits = 0;
  29. unsigned long data;
  30. long i = 0;
  31. FILE *f;
  34. f = fopen("bitstream_test.dat","r");
  35. bs = bitstream_open(f);
  37. while (i < BIT_SIZE)
  38. {
  39. if(abs(i - BIT_SIZE) < 32)
  40. num_bits = abs(i - (BIT_SIZE));
  41. else
  42. num_bits = rand() % 32;
  43. data = bitstream_get(bs,num_bits);
  44. print_bits(data,num_bits);
  45. i += num_bits;
  46. }
  48. return 0;
  49. }