[cvs] / xvidcore / src / bitstream / bitstream.h Repository:
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Diff of /xvidcore/src/bitstream/bitstream.h

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revision 1.22.2.2, Wed Nov 1 09:26:52 2006 UTC revision 1.23, Fri Apr 14 07:24:47 2006 UTC
# Line 162  Line 162 
162                                 const FRAMEINFO * const frame,                                 const FRAMEINFO * const frame,
163                                 int mbnum);                                 int mbnum);
164    
 /*****************************************************************************  
  * Bitstream  
  ****************************************************************************/  
   
 /* Input buffer should be readable as full chunks of 8bytes, including  
 the end of the buffer. Padding might be appropriate. If only chunks  
 of 4bytes are applicable, define XVID_SAFE_BS_TAIL. Note that this will  
 slow decoding, so consider this as a last-resort solution */  
 /* #define XVID_SAFE_BS_TAIL */  
   
165  /* initialise bitstream structure */  /* initialise bitstream structure */
166    
167  static void __inline  static void __inline
# Line 273  Line 263 
263                  uint32_t tmp;                  uint32_t tmp;
264    
265                  bs->bufa = bs->bufb;                  bs->bufa = bs->bufb;
 #if defined(XVID_SAFE_BS_TAIL)  
                 if (bs->tail<(bs->start+((bs->length+3)>>2)))  
 #endif  
                 {  
266                          tmp = *((uint32_t *) bs->tail + 2);                          tmp = *((uint32_t *) bs->tail + 2);
267  #ifndef ARCH_IS_BIG_ENDIAN  #ifndef ARCH_IS_BIG_ENDIAN
268                          BSWAP(tmp);                          BSWAP(tmp);
269  #endif  #endif
270                          bs->bufb = tmp;                          bs->bufb = tmp;
271                          bs->tail++;                          bs->tail++;
                 }  
 #if defined(XVID_SAFE_BS_TAIL)  
                 else {  
                         bs->bufb = 0;  
                 }  
 #endif  
272                  bs->pos -= 32;                  bs->pos -= 32;
273          }          }
274  }  }
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