www.pudn.com > jm50g.zip > nal_part.c

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/*! 
 ************************************************************************ 
 * \file  nal_part.c 
 * 
 * \brief 
 *    Network Adaptation layer for partition file 
 * 
 * \author 
 *    Main contributors (see contributors.h for copyright, address and affiliation details) 
 *    - Tobias Oelbaum  
 ************************************************************************ 
 */ 
 
#include "contributors.h" 
 
#include  
#include  
#include  
#include  
#include  
 
#include "global.h" 
#include "elements.h" 
#include "bitsbuf.h" 
 
extern void tracebits(const char *trace_str,  int len,  int info,int value1, 
    int value2) ; 
 
 
/*! 
 ************************************************************************ 
 * \brief 
 *    Input file containing Partition structures 
 * \return 
 *    TRUE if a startcode follows (meaning that all symbols are used).  \n 
 *    FALSE otherwise. 
 * \para 
 *     Looks like this is dead code.  StW, 7.7.02 
 ************************************************************************/ 
/* 
int slice_startcode_follows(struct img_par *img, struct inp_par *inp) 
{ 
  Slice *currSlice = img->currentSlice; 
  int dp_Nr = assignSE2partition[currSlice->dp_mode][SE_MBTYPE]; 
  DataPartition *dP = &(currSlice->partArr[dp_Nr]); 
  Bitstream   *currStream = dP->bitstream; 
  byte *buf = currStream->streamBuffer; 
  int frame_bitoffset = currStream->frame_bitoffset; 
  int info; 
assert (!currStream->ei_flag); 
printf ("slice_startcode_follows returns %d\n", (-1 == GetVLCSymbol (buf, frame_bitoffset, &info, currStream->bitstream_length))); 
 
  if (currStream->ei_flag) 
    return (img->current_mb_nr == currSlice->last_mb_nr); 
  else 
  { 
    if (-1 == GetVLCSymbol (buf, frame_bitoffset, &info, currStream->bitstream_length)) 
      return TRUE; 
    else 
      return FALSE; 
  } 
} 
*/ 
/*! 
 ************************************************************************ 
 * \brief 
 *    Resets the entries in the bitstream struct 
 ************************************************************************ 
 */ 
void free_Partition(Bitstream *currStream) 
{ 
  byte *buf = currStream->streamBuffer; 
 
  currStream->bitstream_length = 0; 
  currStream->frame_bitoffset = 0; 
  currStream->ei_flag =0; 
  memset (buf, 0x00, MAX_CODED_FRAME_SIZE); 
}